CN218717648U - Automatic resetting device of shutter and ventilation fan - Google Patents
Automatic resetting device of shutter and ventilation fan Download PDFInfo
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- CN218717648U CN218717648U CN202220924280.5U CN202220924280U CN218717648U CN 218717648 U CN218717648 U CN 218717648U CN 202220924280 U CN202220924280 U CN 202220924280U CN 218717648 U CN218717648 U CN 218717648U
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Abstract
The utility model discloses a shutter automatic re-setting device and scavenger fan, the device includes: a louver guide assembly connecting the louver blades; a stepping motor connected with the vane guide assembly; a motor driving module connected with the stepping motor; the power supply module comprises an alternating current power supply module and an energy storage module; the power supply detection module is connected with the alternating current power supply module; the MCU is connected with the alternating current power supply module, the energy storage module, the power supply detection module and the motor driving module and sends a steering signal to the motor driving module according to a power supply detection signal sent by the power supply detection module, so that the motor driving module controls the steering of the stepping motor according to the steering signal and drives the louver blades to be opened or closed by matching with the louver guide assembly; compare in the scheme that current tripe device can only open shutter louver, this application can drive opening of shutter louver under the circular telegram condition steadily, can drive closing of shutter louver under the outage condition steadily to effectively reduce the noise of shutter louver in-process that resets.
Description
Technical Field
The utility model relates to a but not limited to shutter technical field especially relates to a shutter automatic re-setting device and scavenger fan.
Background
The common louver window type ventilator has a louver window reset device comprising a common motor or an electromagnet and a clutch gear structure connected to the louver window blades, wherein the common motor or the electromagnet is controlled to compress a spring to open the louver window blades when the louver window reset device is powered on, and the spring in the clutch gear structure is released after the louver window blades are powered off to close the louver window blades. However, such a blind resetting device makes the resetting time of the blind blades short, and causes a large noise to be generated during the resetting of the blind blades, thereby making the user of the louver type ventilator feel bad. In order to solve the problem of large noise when the louver blades are opened or closed, the louver device in the related art controls the louver guide structure through the stepping motor to open the louver blades, but when the louver device is powered off, the louver blades cannot be closed.
SUMMERY OF THE UTILITY MODEL
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
The embodiment of the utility model provides a shutter automatic re-setting device and scavenger fan can effectively reduce the shutter louver and open the noise of in-process, realizes the closure of shutter louver under the condition of shutter automatic re-setting device outage.
In a first aspect, the embodiment of the utility model provides a shutter automatic re-setting device, include:
the louver guide assembly is connected with a louver;
the stepping motor is connected with the louver guide assembly;
the motor driving module is electrically connected with the stepping motor;
the power supply module comprises an alternating current power supply module and an energy storage module;
the power supply detection module is electrically connected with the alternating current power supply module and is used for sending a power supply detection signal, and the power supply detection signal represents whether the alternating current power supply module is electrified or not;
the MCU is respectively and electrically connected with the alternating current power supply module, the energy storage module, the power supply detection module and the motor driving module, and is used for sending a steering signal to the motor driving module according to the power supply detection signal so that the motor driving module controls the steering of the stepping motor according to the steering signal and is matched with the louver guide assembly to drive the louver to be opened or closed;
when the power supply detection signal received by the MCU is a power supply disconnection signal, the MCU is powered by the energy storage module; and when the power supply detection signal received by the MCU is a power supply electrifying signal, the MCU is powered by the alternating current power supply module.
According to the utility model discloses shutter automatic re-setting device of first aspect embodiment has following beneficial effect at least: this application passes through motor drive module, power detection module and MCU cooperation control step motor's rotation, cooperation louver guide assembly, opening or closure of drive louver, compare in the scheme that current tripe device can only realize opening the louver, opening of this application can drive louver under the circular telegram condition steadily, can drive the closure of louver under the outage condition steadily, and effectively reduce the noise of louver reset in-process.
According to some embodiments of the first aspect of the utility model, the tripe leaf is provided with first support and second support, the second support set up in the tripe leaf is kept away from the one end of first support, first support is provided with first guide post, the second support is provided with first reference column, the leaf direction subassembly includes:
the inner side of the first frame body is provided with a first connecting plate and a second connecting plate, the first connecting plate is arranged opposite to the second connecting plate, the first connecting plate is provided with a first guide groove, and the second connecting plate is provided with a first mounting hole;
the second connecting plate is provided with a second mounting hole;
the first guide column is slidably connected to the first guide groove, the first guide column is connected to the first guide groove in a penetrating mode and is rotatably connected to the second mounting hole, and the first positioning column is rotatably connected to the first mounting hole;
the stepping motor is connected to the third connecting plate, so that the stepping motor drives the third connecting plate to move up and down.
According to some embodiments of the first aspect of the present invention, the stepper motor is provided with a first shaft; the automatic shutter resetting device further comprises:
the rotor is provided with a first through hole and a first connecting column, and the first connecting column is fixedly connected to the third connecting plate;
wherein the first rotating shaft is connected to the first through hole.
According to some embodiments of the first aspect of the present invention, the first support is further provided with a second positioning column, the second positioning column being arranged coaxially with the first positioning column;
the first connecting plate is further provided with a third mounting hole, and the second positioning column is rotatably connected to the third mounting hole.
According to some embodiments of the first aspect of the present invention, the rotor is further provided with a second connecting column, the second connecting column is provided with the rotor is kept away from one end of the third connecting plate, the shutter automatic reset device further comprises:
the fourth connecting plate is provided with a second guide groove and a second through hole;
the second connecting column is slidably connected to the second guide groove, and the first rotating shaft is connected to the first through hole through the second through hole, so that the first rotating shaft drives the second connecting column to slide in the second guide groove.
According to some embodiments of the first aspect of the present invention, the third connecting plate is provided with a fastening ring, and the first connecting column passes through the fastening ring fixedly connected to the third connecting plate.
According to the utility model discloses some embodiments of first aspect, step motor is provided with the fourth mounting hole, the fourth connecting plate is provided with the fifth mounting hole, the fourth mounting hole pass through connecting piece fixed connection in the fifth mounting hole.
In a second aspect, the embodiment of the present invention further provides a ventilator, including: an automatic blind resetting device as claimed in any embodiment of the first aspect.
According to the utility model discloses scavenger fan of second aspect embodiment has following beneficial effect at least: the ventilating fan provided with the automatic louver resetting device can stably drive the louver blades to be opened under the power-on condition, can drive the louver blades to be closed under the power-off condition, and effectively reduces noise in the resetting process of the louver blades.
According to some embodiments of the second aspect of the present invention, the ventilator further comprises:
the second frame body is connected to the first frame body, and the vane guide assembly comprises the first frame body;
the air outlet is connected to one end, far away from the first frame body, of the second frame body, and a thrust structure is arranged on the inner wall of the air outlet;
the baffle is connected to the inner wall of the air outlet;
wherein, under the state that the air outlet is closed to the baffle, the baffle butt in the thrust structure.
According to some embodiments of the second aspect of the present invention, the thrust structure is an annular frame protruding from the inner wall of the air outlet.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the technical solutions of the present invention, and are incorporated in and constitute a part of this specification, together with the embodiments of the present invention for explaining the technical solutions of the present invention, and do not constitute a limitation on the technical solutions of the present invention.
Fig. 1 is a schematic block diagram of an automatic resetting device for blinds according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of an automatic resetting device for blinds according to an embodiment of the present invention;
fig. 3 is an exploded view of a vane guide assembly in connection with a stepper motor according to another embodiment of the present invention;
fig. 4 is a schematic structural view of a vane guide assembly according to another embodiment of the present invention connected to a stepping motor;
fig. 5 is a perspective view of a blind blade according to another embodiment of the present invention;
fig. 6 is a cross-sectional view of a vane guide assembly according to another embodiment of the present invention in an open position of the vanes;
fig. 7 is a cross-sectional view of a vane guide assembly according to another embodiment of the present invention in a closed position of the vanes;
fig. 8 is a perspective view of a flapper according to another embodiment of the present invention in an open position;
fig. 9 is a perspective view of a flapper according to another embodiment of the present invention in an open position;
fig. 10 is a perspective view of a closure according to another embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
The embodiments of the present invention will be further explained with reference to the drawings.
Referring to fig. 1, an embodiment of the present invention provides an automatic resetting device 100 for a blind, including:
the louver guide assembly 200 is connected with the louver 210;
a stepping motor 110, wherein the stepping motor 110 is connected with the louver guide assembly 200;
the motor driving module 120, the motor driving module 120 is electrically connected with the stepping motor 110;
a power supply module 130, wherein the power supply module 130 comprises an alternating current power supply module 131 and an energy storage module 132;
the power detection module 140, the power detection module 140 is electrically connected to the ac power module 131, the power detection module 140 is configured to send a power detection signal, and the power detection signal represents whether the ac power module 131 is powered on;
the MCU150 is electrically connected with the ac power supply module 131, the energy storage module 132, the power detection module 140 and the motor driving module 120, respectively, and the MCU150 is configured to send a steering signal to the motor driving module 120 according to the power detection signal, so that the motor driving module 120 controls the steering of the stepping motor 110 according to the steering signal, and drives the louver 210 to open or close in cooperation with the louver guide assembly 200;
when the power detection signal received by the MCU150 is a power off signal, the MCU150 is powered by the energy storage module 132; when the power detection signal received by the MCU150 is a power on signal, the MCU150 is powered by the ac power module 131.
It can be understood that, since the rotation direction of the stepping motor 110 is changed, the power supply of the stepping motor 110 needs to be stopped and then the power supply is resumed, in the embodiment of the present application, when the automatic louver resetting device 100 starts to be powered on, that is, the ac power module 131 starts to be connected, and the mcu150 is powered by the ac power module 131, the operation of opening the louver 210 is implemented, so that the louver 210 is in an open state; when the MCU150 receives the power detection signal sent by the power detection module 140 as a power off signal, the stepping motor 110 temporarily stops supplying power because the stepping motor 110 is electrically connected to the MCU150 through the motor driving module 120; the power supply disconnection signal triggers the energy storage module 132 to supply power to the MCU150, the stepping motor 110 is powered on again, and the MCU150 sends a steering signal to the motor driving module 120 according to the power supply detection signal, so that the motor driving module 120 controls the steering of the stepping motor 110 according to the steering signal, and drives the louver 210 to open or close in cooperation with the louver guide assembly 200; and, because the step motor 110 is a motor that converts the electrical pulse signal into the corresponding angular displacement or linear displacement, the rotating shaft of the step motor 110 rotates one angle or moves one step ahead each time a pulse signal is obtained, and the opening and closing of the louver blades 210 connected to the louver blade guide assembly 200 can be driven more slowly and more smoothly through the cooperation of the step motor 110 and the louver blade guide assembly 200, compared with the scheme that the existing louver device can only open the louver blades, the present application can drive the opening of the louver blades smoothly under the power-on condition, can drive the closing of the louver blades under the power-off condition, and effectively reduces the noise in the resetting process of the louver blades.
It should be noted that this example is only for illustrating the operations that the hardware structure can implement, and is not a method improvement.
It can be understood that the automatic louver resetting device 100 provided in this embodiment can be applied to the fields of ventilation fans, louver assemblies, air conditioners, and the like, and is not limited herein.
It can be understood that the implementation of switching the power supply module 130 (the energy storage module 132 or the ac power supply module 131 is powered) of the MCU150 in the embodiment of the present application is determined by the operation (turning on or turning off the power) of the user, for example, the user turns on the device connected to the wall switch and equipped with the automatic window blind resetting device 100 through the wall switch, and at this time, the MCU150 of the automatic window blind resetting device 100 is powered by the ac power supply module 131 to control the opening of the window blind; when the power is turned off by a user through the wall switch, the ac power module 131 is powered off, the MCU150 is powered by the energy storage module 132, the MCU150 receives the power detection signal sent by the power detection module 140 as a power off signal and sends a steering signal to the motor driving module 120 according to the power detection signal, so that the motor driving module 120 controls the steering of the stepping motor 110 according to the steering signal, and drives the louver 210 to close in cooperation with the louver guide assembly 200.
It should be noted that, the embodiment of the application does not limit the specific structure of the energy storage module 132, and may be a battery or a farad capacitor capable of being repeatedly charged and discharged, and the embodiment of the application does not limit the specific models of the MCU150 and the stepping motor 110, and those skilled in the art can select the energy storage module according to actual needs, which is not described herein again.
Referring to fig. 2, fig. 2 is a schematic circuit diagram of an automatic resetting device 100 for a blind according to an embodiment of the present invention, in which a motor driving module 120 in the embodiment of the present invention is composed of 4 triodes Q1, Q2, Q3 and Q4, and a stepping motor 110 is connected to the motor driving module 120 through a relay J2; the MCU150 of this embodiment is a chip U3, a transistor Q1 is connected to a second pin of the chip U3 through a resistor R15, a transistor Q2 is connected to a third pin of the chip U3 through a resistor R16, the transistor Q3 is connected to a seventh pin of the chip U3 through a resistor R17, and the transistor Q4 is connected to a sixth pin of the chip U3 through a resistor R18; the power detection module 140 is formed by connecting a photoelectric coupler U1, a diode D1 and a diode D4 in parallel, and the photoelectric coupler U1 is connected in series with a fourth pin of the chip U3; the alternating current power supply module 131 is composed of a diode D2 and a switching power supply U2, the switching power supply U2 is connected with a transformer T1 in series, the transformer T1 is respectively connected with a chip U3, an electrolytic capacitor C11 and a nonpolar capacitor C3 in parallel, the chip U3 is electrically connected with the alternating current power supply module 131 through being connected with the transformer T1 in parallel, the energy storage module 132 is composed of electrolytic capacitors C4 and C5 which are connected with each other in parallel, the electrolytic capacitor C4 is connected with the nonpolar capacitor C3, and the electrolytic capacitor C5 is connected with the switching power supply U2 through a nonpolar capacitor C10.
It will be understood by those skilled in the art that the specific values and connection relationships of the above components may be determined according to actual needs, and are not limited herein.
Referring to fig. 3 to 5, in an embodiment, the louver 210 is provided with a first bracket 211 and a second bracket 214, the second bracket 214 is provided at an end of the louver 210 away from the first bracket 211, the first bracket 211 is provided with a first guiding column 212, the second bracket 214 is provided with a first positioning column 215, and the louver guide assembly 200 includes:
a first frame 220, wherein a first connection plate 221 and a second connection plate (not shown in the figure) are arranged on the inner side of the first frame 220, the first connection plate 221 and the second connection plate are arranged oppositely, the first connection plate 221 is provided with a first guide groove 222, and the second connection plate is provided with a first mounting hole (not shown in the figure);
a third connecting plate 230 provided with a second mounting hole (not shown);
the first guiding column 212 is slidably connected to the first guiding groove 222, the first guiding column 212 is connected to the first guiding groove 222 in a penetrating manner and is rotatably connected to the second mounting hole, and the first positioning column 215 is rotatably connected to the first mounting hole;
the stepping motor 110 is connected to the third connecting plate 230 so that the stepping motor 110 drives the third connecting plate 230 to move up and down.
It can be understood that, since the first guiding column 212 of the louver blade 210 passes through the first guiding slot 222 and is rotatably connected to the second mounting hole (not shown in the drawings) of the third connecting plate 230, the first positioning column 215 is rotatably connected to the first mounting hole of the second connecting plate, the third connecting plate 230 is driven by the stepping motor 110 to move downwards, and the first guiding column 212 connected to the third connecting plate 230 is driven to slide to the lower end of the first guiding slot 222, as shown in fig. 4 and 6, so that the louver blade 210 is in the open state, and the first guiding column 212 (not shown in fig. 6) abuts against the lower end of the first guiding slot 222; when the stepping motor 110 drives the third connecting plate 230 to move upward, the first guiding column 212 connected to the third connecting plate 230 slides to the upper end of the first guiding slot 222, so that the louver 210 is in a closed state (as shown in fig. 7). The driving action of the stepping motor 110 limits the sliding of the first guide post 212 of the louver 210 in the first guide groove 222, so that the reset range of the louver 210 can be controlled more accurately, and the reset efficiency of the louver 210 is improved.
Referring to fig. 3, in one embodiment, the stepping motor 110 is provided with a first rotating shaft 111; the automatic louver resetting device 100 further includes:
a rotor 240, the rotor 240 being provided with a first through hole 242 and a first connection post 241, the first connection post 241 being fixedly connected to the third connection plate 230;
the first shaft 111 is connected to the first through hole 242.
Referring to fig. 3, in an embodiment, the rotor 240 is further provided with a second connecting column 243, the second connecting column 243 is provided at an end of the rotor 240 far from the third connecting plate 230, and the automatic resetting device 100 of the blinds further comprises:
a fourth connection plate 250, the fourth connection plate 250 being provided with a second guide groove 251 and a second through hole 252;
the second connecting rod 243 is slidably connected to the second guide groove 251, and the first rotating shaft 111 is connected to the first through hole 242 through the second through hole 252, so that the first rotating shaft 111 drives the second connecting rod 243 to slide in the second guide groove 251.
It can be understood that the second connecting rod 243 of the control rotor 240 slides up and down in the second guiding groove 251 to cooperate with the first guiding groove 222, and at the same time, the operation range of the stepping motor 110 and the reset range of the louver 210 are limited, so that the reset process of the louver 210 is more stable and controllable.
Referring to fig. 3 and 5, in an embodiment, the first bracket 211 is further provided with a second positioning pillar 213, and the second positioning pillar 213 is coaxially disposed with the first positioning pillar 215;
the first connecting plate 221 further has a third mounting hole 223, and the second positioning column 213 is rotatably connected to the third mounting hole 223.
It can be understood that the louver blades are connected to the inner side of the first frame 220 through the first positioning column 215, the second positioning column 213 and the first guiding column 212, so that the louver blades and the first frame 220 can be more stably connected, and the smoothness of the louver blades during the opening or closing process can be further improved.
It should be noted that the embodiments of the present application do not limit the first guide slot 222 and the third mounting hole 223 in the first connecting plate 221; a first mounting hole in the second connecting plate; the specific number of the second mounting holes, the first guide grooves 222, the first mounting holes, the second mounting holes and the third mounting holes 223 in the third connecting plate 230 is determined by the specific number of the louver blades 210, and a person skilled in the art can determine the number of the louver blades 210 according to practical situations, thereby determining the specific number of the first guide grooves 222, the first mounting holes, the second mounting holes and the third mounting holes 223.
Referring to fig. 3, in an embodiment, the third connecting plate 230 is provided with a fastening ring 231, and the first connecting post 241 is fixedly connected to the third connecting plate 230 by the fastening ring 231.
It should be noted that, in the embodiment of the present application, the specific manner in which the first connecting column 241 is fixedly connected to the third connecting plate 230 is not limited, and the first connecting column 241 may be welded to the side edge of the third connecting plate 230, or the first connecting column 241 and the third connecting plate 230 may be integrally formed.
Referring to fig. 3, in an embodiment, the stepping motor 110 is provided with a fourth mounting hole 112, the fourth connecting plate 250 is provided with a fifth mounting hole 253, and the fourth mounting hole 112 is fixedly connected to the fifth mounting hole 253 by a connector.
It should be noted that, the embodiment of the present application does not limit the specific structure of the connector, and the connector may be a threaded connector or a 9-snap connector, and those skilled in the art may select the connector according to actual situations.
Referring to fig. 8, in an embodiment, the present invention further provides a ventilator 300, and the ventilator 300 includes the automatic shutter resetting device 100 (not shown in fig. 8) according to the above-mentioned embodiment.
It can be understood that the ventilator 300 with the automatic louver resetting device 100 can smoothly drive the opening of the louver blades under the power-on condition, and can drive the closing of the louver blades under the power-off condition, and the noise in the resetting process of the louver blades is effectively reduced, so that the user experience is improved.
Referring to fig. 8, 9 and 10, in an embodiment, the ventilator 300 provided in the embodiment of the present application further includes:
a second frame 310, the second frame 310 being connected to the first frame 220, the vane guide assembly of the above embodiment including the first frame 220;
the air outlet 320, the air outlet 320 is connected to one end of the second frame 310 far away from the first frame 220, the inner wall of the air outlet 320 is provided with a thrust plate;
the baffle 330, the baffle 330 is connected to the inner wall of the air outlet 320;
when the baffle 330 closes the air outlet 320, the baffle 330 abuts against the thrust structure.
It can be understood that, two sides of the baffle 330 may be provided with a mounting rack (not shown in the figure), the mounting rack is connected to the inner wall of the air outlet 320 through the second rotating shaft 331, and the mounting rack is disposed above the horizontal line of the axis of the air outlet 320, because the baffle 330 is connected to the inner wall of the air outlet 320 through the mounting rack and the second rotating shaft 331, the baffle 330 can cover or open the air outlet 320 under the action of the second rotating shaft 331.
It can be understood that the function of the baffle 330 to cover or uncover the air outlet 320 can be implemented by a driving module (e.g., a motor, etc.) driving the second rotating shaft 331; or when the ventilator 300 is in operation, the airflow flows to the air outlet 320 and pushes the baffle 330 to flow out, and when the ventilator 300 stops operating, the baffle 330 is not pushed by the airflow, and the baffle 330 closes the air outlet 320, thereby preventing the airflow from flowing backwards.
It can be understood that, in a state where the baffle 330 closes the outlet 320 (as in the state of fig. 10), the baffle 330 abuts against the thrust structure, so that the sealing performance of the baffle 330 for covering the outlet 320 can be improved.
It should be noted that, in the embodiment of the present application, the connection position of the baffle 330 and the inner wall of the air outlet 320 is not limited, and the baffle 330 may be disposed at a position where the inner wall of the air outlet 320 is far away from the second frame 310 as shown in fig. 8, or the baffle 330 is disposed at a position where the inner wall of the air outlet 320 is close to the second frame 310 as shown in fig. 9.
It should be noted that, in the embodiment of the present application, a specific connection manner between the second frame 310 and the first frame 220 is not limited, and as shown in fig. 9, a fastening structure 311 is disposed at an edge of the second frame 310, and is connected to the first frame 220 through the fastening structure 311; or by a threaded structure, without limitation.
It should be noted that, in the embodiment of the present application, the specific shape of the baffle 330 is not limited, and the baffle is only adapted to the air outlet 320.
Referring to fig. 9, in an embodiment, the thrust structure is an annular frame 321 protruding from an inner wall of the air outlet 320.
It can be understood that, in a state where the baffle 330 closes the outlet 320, the annular frame 321 protruding from the inner wall of the outlet 320 is in contact with the edge of the baffle 330, so as to improve the sealing performance of the baffle 330 for covering the outlet 320.
It is to be understood that, as shown in fig. 8 or fig. 9, the thrust structure may also be a protrusion 322 disposed on an inner wall of the air outlet 320, which is not limited herein.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention defined by the appended claims.
Claims (10)
1. An automatic resetting device for a blind, comprising:
the louver guide assembly is connected with a louver;
the stepping motor is connected with the louver guide assembly;
the motor driving module is electrically connected with the stepping motor;
the power supply module comprises an alternating current power supply module and an energy storage module;
the power supply detection module is electrically connected with the alternating current power supply module and is used for sending a power supply detection signal, and the power supply detection signal represents whether the alternating current power supply module is electrified or not;
the MCU is respectively and electrically connected with the alternating current power supply module, the energy storage module, the power supply detection module and the motor driving module, and is used for sending a steering signal to the motor driving module according to the power supply detection signal so that the motor driving module controls the steering of the stepping motor according to the steering signal and drives the louver to be opened or closed by matching with the louver guide assembly;
when the power supply detection signal received by the MCU is a power supply disconnection signal, the MCU is powered by the energy storage module; and when the power supply detection signal received by the MCU is a power supply electrifying signal, the MCU is powered by the alternating current power supply module.
2. The automatic repositioning device of a blind according to claim 1, wherein the louver is provided with a first bracket and a second bracket, the second bracket is provided at an end of the louver remote from the first bracket, the first bracket is provided with a first guiding post, the second bracket is provided with a first positioning post, the louver guiding assembly comprises:
the inner side of the first frame body is provided with a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are arranged oppositely, the first connecting plate is provided with a first guide groove, and the second connecting plate is provided with a first mounting hole;
the second connecting plate is provided with a second mounting hole;
the first guide column is slidably connected to the first guide groove, the first guide column is connected to the first guide groove in a penetrating mode and is rotatably connected to the second mounting hole, and the first positioning column is rotatably connected to the first mounting hole;
the stepping motor is connected to the third connecting plate, so that the stepping motor drives the third connecting plate to move up and down.
3. The automatic window shutter resetting device according to claim 2, wherein the stepping motor is provided with a first rotating shaft; the automatic shutter resetting device further comprises:
the rotor is provided with a first through hole and a first connecting column, and the first connecting column is fixedly connected to the third connecting plate;
wherein the first rotating shaft is connected to the first through hole.
4. The automatic window blind resetting apparatus of claim 2, wherein:
the first support is also provided with a second positioning column, and the second positioning column and the first positioning column are coaxially arranged;
the first connecting plate is further provided with a third mounting hole, and the second positioning column is rotatably connected to the third mounting hole.
5. The automatic window shutter resetting device according to claim 3, wherein the rotor is further provided with a second connecting column, the second connecting column is provided at an end of the rotor away from the third connecting plate, the automatic window shutter resetting device further comprises:
the fourth connecting plate is provided with a second guide groove and a second through hole;
the second connecting column is slidably connected to the second guide groove, and the first rotating shaft is connected to the first through hole through the second through hole, so that the first rotating shaft drives the second connecting column to slide in the second guide groove.
6. The automatic repositioning device of claim 3, wherein the third connecting plate is provided with a fastening ring, and the first connecting post is fixedly connected to the third connecting plate through the fastening ring.
7. The automatic resetting device for blinds according to claim 5, wherein the stepping motor is provided with a fourth mounting hole, the fourth connecting plate is provided with a fifth mounting hole, and the fourth mounting hole is fixedly connected to the fifth mounting hole through a connecting member.
8. A ventilator, comprising:
the automatic window blind resetting apparatus of any one of claims 1 to 7.
9. The ventilator according to claim 8, further comprising:
the second frame body is connected to the first frame body, and the vane guide assembly comprises the first frame body;
the air outlet is connected to one end, far away from the first frame body, of the second frame body, and a thrust structure is arranged on the inner wall of the air outlet;
the baffle is connected to the inner wall of the air outlet;
wherein, under the state that the air outlet is closed to the baffle, the baffle butt in the thrust structure.
10. The ventilator according to claim 9, wherein the thrust structure is an annular frame protruding from the inner wall of the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220924280.5U CN218717648U (en) | 2022-04-20 | 2022-04-20 | Automatic resetting device of shutter and ventilation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202220924280.5U CN218717648U (en) | 2022-04-20 | 2022-04-20 | Automatic resetting device of shutter and ventilation fan |
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| CN218717648U true CN218717648U (en) | 2023-03-24 |
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| CN202220924280.5U Active CN218717648U (en) | 2022-04-20 | 2022-04-20 | Automatic resetting device of shutter and ventilation fan |
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