Intelligent parking equipment for underground parking lot
Technical Field
The invention relates to parking equipment, in particular to intelligent parking equipment for an underground parking lot.
Background
The automobile is a common vehicle, and with the rapid development of society and economy, the automobile is more and more popular, in order to not hinder the pedestrian from passing through, and in order to make the city more orderly, the automobile needs to be parked in a parking lot, but the existing parking lot generally has no facility for shielding the automobile, so that dust falls on the automobile, the surface of the automobile becomes dirty, and people can cover the automobile with a dust cover, which may delay the time of people.
Disclosure of Invention
In order to overcome the defect that the existing parking lot generally has no facility for shielding the automobile, so that dust falls onto the automobile to cause the surface of the automobile to become dirty, the technical problem is as follows: the utility model provides a can shelter from the car, can avoid the dirty underground parking garage intelligence parking equipment of car.
The technical scheme is as follows: an intelligent parking device for an underground parking lot comprises a fixed seat, arc-shaped sliding pipes, arc-shaped sliding rods, arc-shaped supporting rods, shielding cloth, racks, fixed blocks, a first supporting plate, a first motor, a second motor, a gear, a first travel switch, a second travel switch, a third travel switch, a fourth travel switch, a remote controller, a control box and a mounting plate, wherein the bottom of the fixed seat is fixedly connected with the arc-shaped sliding pipes, the arc-shaped sliding pipes are arranged in an inner sliding mode and are provided with two arc-shaped sliding rods, the bottoms of the two arc-shaped sliding rods are respectively connected with the arc-shaped supporting rods, the bottoms of the two arc-shaped supporting rods are connected with the shielding cloth, the racks are respectively arranged at the tops of the two arc-shaped sliding rods, the right side of the bottom of the left rack is connected with the fixed blocks, the left side of the bottom of the right side of the rack is also connected with, the output shaft of the second motor is provided with a gear, the output shaft of the first motor is also provided with a gear, the right side of the left first supporting plate is provided with a first travel switch, the left side of the right first supporting plate is provided with a second travel switch, the left side of the top of the arc sliding pipe is provided with a third travel switch, the third travel switch is in contact with a left fixed block, the right side of the top of the arc sliding pipe is provided with a fourth travel switch, the fourth travel switch is in contact with a right fixed block, the mounting plate is fixedly connected to the middle of the bottom of the arc sliding pipe, the lower part of the front side of the mounting plate is fixedly connected with a control box, the control box comprises a 315M receiving module, a power module and a control module, the power module and the control module are in circuit connection, the power module and a power master switch are in circuit connection, the top of the control box is provided with a remote, The second travel switch, the third travel switch and the fourth travel switch are all connected with the control module through lines.
Further, still including first electro-magnet, the second electro-magnet, first slide pipe, first spring and slider, open left arc slide bar top right side has first recess, arc slide bar top left side on right side has also opened first recess, the bottom is equipped with first electro-magnet in the first recess on right side, the bottom is equipped with the second electro-magnet in the left first recess, the equal embedded first slide pipe that is connected with in arc slide pipe top left and right sides, first slide pipe is located between third travel switch and the fourth travel switch, the equal rigid coupling in top has first spring in two first slide pipes, the equal rigid coupling in two first spring bottoms has the slider, slider and first slide pipe slidingtype cooperation, first electro-magnet and second electro-magnet all have line connection with the control module.
Further, still including the second extension board, microwave radar sensor, the fixed plate, the LED lamp plate, the direction is empty, the guide bar, second spring and lug, the second extension board is connected in fixing base bottom left side, microwave radar sensor is installed to second extension board bottom, second extension board left side is connected with the fixed plate, open in the fixed plate left side has the slotted hole, the right part is equipped with the LED lamp plate in the slotted hole, open at the top in the slotted hole has the second recess, be equipped with the direction is empty to the second recess, open the fixed plate bottom has the guiding hole, be equipped with the guide bar in the guiding hole, the guide bar top is connected with the lug that can block the direction is empty, be connected with the second spring between lug bottom and the guiding hole inner wall, the second spring is around on the guide bar, microwave radar sensor and LED lamp plate all have circuit connection.
Further, still including light sensor and LED bulb, open on mounting panel front side upper portion has the third recess, and the top is equipped with light sensor in the third recess, and mounting panel right side middle part is equipped with the LED bulb, and light sensor and LED bulb all have line connection with control module.
The beneficial effects are that: the automobile can be shielded through the shielding cloth, so that dust is prevented from falling onto the automobile, and the automobile can be prevented from being dirty; the arc-shaped sliding rod can be clamped through the sliding block, so that the arc-shaped sliding rod can be prevented from sliding downwards; through the action of the direction empty plate, people can be informed that the direction is the exit direction of the parking lot; the LED bulb can illuminate the surroundings, so that people can better park.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a first partially enlarged schematic view of the present invention.
Fig. 3 is a second partially enlarged view of the present invention.
Fig. 4 is an enlarged view of a third portion of the present invention.
Fig. 5 is a circuit diagram of the present invention.
Fig. 6 is a schematic circuit diagram of the present invention.
Part names and serial numbers in the figure: 1 ceiling, 2 fixed seats, 3 arc-shaped sliding tubes, 4 arc-shaped sliding rods, 5 arc-shaped supporting rods, 6 shielding cloth, 7 racks, 8 fixed blocks, 9 first supporting plates, 10 first motors, 101 second motors, 11 gears, 12 first travel switches, 121 second travel switches, 13 third travel switches, 131 fourth travel switches, 14 remote controllers, 141 control boxes, 142 mounting plates, 15 first grooves, 16 first electromagnets, 161 second electromagnets, 17 first sliding tubes, 18 first springs, 19 sliding blocks, 20 second supporting plates, 21 microwave radar sensors, 22 fixed plates, 23 second grooves, 24 slotted holes, 25 LED lamp panels, 26 direction hollow plates, 27 guide holes, 28 guide rods, 29 second springs, 30 convex blocks, 31 third grooves and 32 light sensors, 33 LED light bulb.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
Example 1
An intelligent parking device for an underground parking lot is shown in figures 1-6 and comprises a fixed seat 2, an arc-shaped sliding pipe 3, arc-shaped sliding rods 4, arc-shaped supporting rods 5, shielding cloth 6, a rack 7, a fixed block 8, a first supporting plate 9, a first motor 10, a second motor 101, a gear 11, a first travel switch 12, a second travel switch 121, a third travel switch 13, a fourth travel switch 131, a remote controller 14, a control box 141 and a mounting plate 142, wherein the bottom of the fixed seat 2 is fixedly connected with the arc-shaped sliding pipe 3, the fixed seat 2 is connected with the arc-shaped sliding pipe 3 in a welding connection mode, two arc-shaped sliding rods 4 are arranged in the arc-shaped sliding pipe 3 in a sliding mode, the bottoms of the two arc-shaped sliding rods 4 are both connected with the arc-shaped supporting rods 5, the bottoms of the two arc-shaped supporting rods 5 are connected with the shielding cloth 6, the number of the racks, the left side of the bottom of the right rack 7 is also connected with a fixed block 8, the rack 7 is connected with the fixed block 8 by a welding connection mode, the left side and the right side of the top of the arc sliding tube 3 are fixedly connected with a first support plate 9, the rear side of the left first support plate 9 is provided with a first motor 10, the rear side of the right first support plate 9 is provided with a second motor 101, the output shaft of the second motor 101 is provided with a gear 11, the output shaft of the first motor 10 is also provided with a gear 11, the right side of the left first support plate 9 is provided with a first travel switch 12, the left side of the right first support plate 9 is provided with a second travel switch 121, the left side of the top of the arc sliding tube 3 is provided with a third travel switch 13, the third travel switch 13 is contacted with the left fixed block 8, the right side of the top of the arc sliding tube 3 is provided with a fourth travel switch 131, the mounting panel 142 is connected with the arc slide pipe 3 through welded connection, the lower part rigid coupling of the front side of the mounting panel 142 has a control box 141, including 315M receiving module in the control box 141, power module and control module have line connection, 315M receiving module and control module have line connection, power module and power master switch have line connection, the top of the control box 141 is provided with a remote controller 14, the first motor 10, the second motor 101, the first travel switch 12, the second travel switch 121, the third travel switch 13 and the fourth travel switch 131 all have line connection with the control module.
Example 2
An intelligent parking device for an underground parking lot, as shown in figures 1-6, comprises a fixed seat 2, an arc-shaped sliding pipe 3, arc-shaped sliding rods 4, arc-shaped supporting rods 5, shielding cloth 6, a rack 7, a fixed block 8, a first supporting plate 9, a first motor 10, a second motor 101, a gear 11, a first travel switch 12, a second travel switch 121, a third travel switch 13, a fourth travel switch 131, a remote controller 14, a control box 141 and a mounting plate 142, wherein the bottom of the fixed seat 2 is fixedly connected with the arc-shaped sliding pipe 3, the arc-shaped sliding pipe 3 is internally provided with two arc-shaped sliding rods 4 in a sliding manner, the bottoms of the two arc-shaped sliding rods 4 are respectively connected with the arc-shaped supporting rods 5, the bottoms of the two arc-shaped supporting rods 5 are connected with the shielding cloth 6, the racks 7 are respectively arranged at the tops of the two arc-shaped sliding rods 4, the left side and the right side of the top of the arc-shaped sliding pipe 3 are fixedly connected with a first support plate 9, the rear side of the first support plate 9 on the left side is provided with a first motor 10, the rear side of the first support plate 9 on the right side is provided with a second motor 101, an output shaft of the second motor 101 is provided with a gear 11, the output shaft of the first motor 10 is also provided with the gear 11, the right side of the first support plate 9 on the left side is provided with a first travel switch 12, the left side of the first support plate 9 on the right side is provided with a second travel switch 121, the left side of the top of the arc-shaped sliding pipe 3 is provided with a third travel switch 13, the third travel switch 13 is contacted with a fixed block 8 on the left side, the right side of the top of the arc-shaped sliding pipe 3 is provided with a fourth travel switch 131, the fourth travel switch 131 is contacted with the fixed block 8 on the right side, the mounting plate, the power module is in line connection with the control module, the 315M receiving module is in line connection with the control module, the power module is in line connection with the power main switch, the remote controller 14 is arranged at the top of the control box 141, and the first motor 10, the second motor 101, the first travel switch 12, the second travel switch 121, the third travel switch 13 and the fourth travel switch 131 are in line connection with the control module.
Also comprises a first electromagnet 16 and a second electromagnet 161, the sliding mechanism comprises a first sliding pipe 17, a first spring 18 and a sliding block 19, wherein a first groove 15 is formed in the right side of the top of the arc-shaped sliding rod 4 on the left side, a first groove 15 is also formed in the left side of the top of the arc-shaped sliding rod 4 on the right side, a first electromagnet 16 is arranged at the bottom in the first groove 15 on the right side, a second electromagnet 161 is arranged at the bottom in the first groove 15 on the left side, the first sliding pipe 17 is connected to the left side and the right side of the top of the arc-shaped sliding pipe 3 in an embedded mode, the first sliding pipe 17 is located between a third stroke switch 13 and a fourth stroke switch 131, the first spring 18 is fixedly connected to the tops in the two first sliding pipes 17, the sliding block 19 is fixedly connected to the bottom ends of the two first springs 18, the first spring 18 is connected to the sliding block 19 in a welding connection mode, the sliding block 19 is in.
Example 3
An intelligent parking device for an underground parking lot, as shown in figures 1-6, comprises a fixed seat 2, an arc-shaped sliding pipe 3, arc-shaped sliding rods 4, arc-shaped supporting rods 5, shielding cloth 6, a rack 7, a fixed block 8, a first supporting plate 9, a first motor 10, a second motor 101, a gear 11, a first travel switch 12, a second travel switch 121, a third travel switch 13, a fourth travel switch 131, a remote controller 14, a control box 141 and a mounting plate 142, wherein the bottom of the fixed seat 2 is fixedly connected with the arc-shaped sliding pipe 3, the arc-shaped sliding pipe 3 is internally provided with two arc-shaped sliding rods 4 in a sliding manner, the bottoms of the two arc-shaped sliding rods 4 are respectively connected with the arc-shaped supporting rods 5, the bottoms of the two arc-shaped supporting rods 5 are connected with the shielding cloth 6, the racks 7 are respectively arranged at the tops of the two arc-shaped sliding rods 4, the left side and the right side of the top of the arc-shaped sliding pipe 3 are fixedly connected with a first support plate 9, the rear side of the first support plate 9 on the left side is provided with a first motor 10, the rear side of the first support plate 9 on the right side is provided with a second motor 101, an output shaft of the second motor 101 is provided with a gear 11, the output shaft of the first motor 10 is also provided with the gear 11, the right side of the first support plate 9 on the left side is provided with a first travel switch 12, the left side of the first support plate 9 on the right side is provided with a second travel switch 121, the left side of the top of the arc-shaped sliding pipe 3 is provided with a third travel switch 13, the third travel switch 13 is contacted with a fixed block 8 on the left side, the right side of the top of the arc-shaped sliding pipe 3 is provided with a fourth travel switch 131, the fourth travel switch 131 is contacted with the fixed block 8 on the right side, the mounting plate, the power module is in line connection with the control module, the 315M receiving module is in line connection with the control module, the power module is in line connection with the power main switch, the remote controller 14 is arranged at the top of the control box 141, and the first motor 10, the second motor 101, the first travel switch 12, the second travel switch 121, the third travel switch 13 and the fourth travel switch 131 are in line connection with the control module.
The electromagnetic positioning device is characterized by further comprising a first electromagnet 16, a second electromagnet 161, a first sliding pipe 17, a first spring 18 and a sliding block 19, wherein a first groove 15 is formed in the right side of the top of the arc-shaped sliding rod 4 on the left side, a first groove 15 is also formed in the left side of the top of the arc-shaped sliding rod 4 on the right side, the first electromagnet 16 is arranged at the bottom in the first groove 15 on the right side, the second electromagnet 161 is arranged at the bottom in the first groove 15 on the left side, the first sliding pipe 17 is connected to the left side and the right side of the top of the arc-shaped sliding pipe 3 in an embedded mode, the first sliding pipe 17 is located between the third stroke switch 13 and the fourth stroke switch 131, the first spring 18 is fixedly connected to the tops in the two first sliding pipes 17, the sliding block 19 is fixedly connected to the bottom ends of the two first springs 18, the sliding block 19 is in sliding.
The microwave radar sensor comprises a second support plate 20, a microwave radar sensor 21, a fixed plate 22, an LED lamp plate 25, a direction blank plate 26, a guide rod 28, a second spring 29 and a bump 30, wherein the second support plate 20 is connected to the left side of the bottom of the fixed seat 2, the second support plate 20 is connected with the fixed seat 2 in a welding connection mode, the microwave radar sensor 21 is installed at the bottom of the second support plate 20, the fixed plate 22 is connected to the left side of the second support plate 20, a slotted hole 24 is formed in the left side of the fixed plate 22, the LED lamp plate 25 is arranged on the right portion in the slotted hole 24, a second groove 23 is formed in the top portion in the slotted hole 24, the direction blank plate 26 is arranged in the second groove 23, a guide hole 27 is formed in the bottom of the fixed plate 22, the guide rod 28 is arranged in the guide hole 27, the top end of the guide rod 28 is connected with the bump 30 capable of blocking the direction blank plate 26, second spring 29 is around on guide bar 28, and microwave radar sensor 21 and LED lamp plate 25 all have line connection with control module.
Example 4
An intelligent parking device for an underground parking lot, as shown in figures 1-6, comprises a fixed seat 2, an arc-shaped sliding pipe 3, arc-shaped sliding rods 4, arc-shaped supporting rods 5, shielding cloth 6, a rack 7, a fixed block 8, a first supporting plate 9, a first motor 10, a second motor 101, a gear 11, a first travel switch 12, a second travel switch 121, a third travel switch 13, a fourth travel switch 131, a remote controller 14, a control box 141 and a mounting plate 142, wherein the bottom of the fixed seat 2 is fixedly connected with the arc-shaped sliding pipe 3, the arc-shaped sliding pipe 3 is internally provided with two arc-shaped sliding rods 4 in a sliding manner, the bottoms of the two arc-shaped sliding rods 4 are respectively connected with the arc-shaped supporting rods 5, the bottoms of the two arc-shaped supporting rods 5 are connected with the shielding cloth 6, the racks 7 are respectively arranged at the tops of the two arc-shaped sliding rods 4, the left side and the right side of the top of the arc-shaped sliding pipe 3 are fixedly connected with a first support plate 9, the rear side of the first support plate 9 on the left side is provided with a first motor 10, the rear side of the first support plate 9 on the right side is provided with a second motor 101, an output shaft of the second motor 101 is provided with a gear 11, the output shaft of the first motor 10 is also provided with the gear 11, the right side of the first support plate 9 on the left side is provided with a first travel switch 12, the left side of the first support plate 9 on the right side is provided with a second travel switch 121, the left side of the top of the arc-shaped sliding pipe 3 is provided with a third travel switch 13, the third travel switch 13 is contacted with a fixed block 8 on the left side, the right side of the top of the arc-shaped sliding pipe 3 is provided with a fourth travel switch 131, the fourth travel switch 131 is contacted with the fixed block 8 on the right side, the mounting plate, the power module is in line connection with the control module, the 315M receiving module is in line connection with the control module, the power module is in line connection with the power main switch, the remote controller 14 is arranged at the top of the control box 141, and the first motor 10, the second motor 101, the first travel switch 12, the second travel switch 121, the third travel switch 13 and the fourth travel switch 131 are in line connection with the control module.
The electromagnetic positioning device is characterized by further comprising a first electromagnet 16, a second electromagnet 161, a first sliding pipe 17, a first spring 18 and a sliding block 19, wherein a first groove 15 is formed in the right side of the top of the arc-shaped sliding rod 4 on the left side, a first groove 15 is also formed in the left side of the top of the arc-shaped sliding rod 4 on the right side, the first electromagnet 16 is arranged at the bottom in the first groove 15 on the right side, the second electromagnet 161 is arranged at the bottom in the first groove 15 on the left side, the first sliding pipe 17 is connected to the left side and the right side of the top of the arc-shaped sliding pipe 3 in an embedded mode, the first sliding pipe 17 is located between the third stroke switch 13 and the fourth stroke switch 131, the first spring 18 is fixedly connected to the tops in the two first sliding pipes 17, the sliding block 19 is fixedly connected to the bottom ends of the two first springs 18, the sliding block 19 is in sliding.
Also comprises a second support plate 20, a microwave radar sensor 21, a fixed plate 22 and an LED lamp panel 25, the direction hollow plate 26, the guide rod 28, second spring 29 and lug 30, second extension board 20 is connected on the left side of the bottom of fixing base 2, microwave radar sensor 21 is installed to the bottom of second extension board 20, the left side of second extension board 20 is connected with fixed plate 22, slotted hole 24 is opened on the left side of fixed plate 22, LED lamp plate 25 is arranged on the right portion in slotted hole 24, second groove 23 is opened at the top in slotted hole 24, direction hollow plate 26 is arranged in second groove 23, guide hole 27 is opened at the bottom of fixed plate 22, guide rod 28 is arranged in guide hole 27, lug 30 capable of blocking direction hollow plate 26 is connected to the top end of guide rod 28, second spring 29 is connected between the bottom of lug 30 and the inner wall of guide hole 27, second spring 29 is wound on guide rod 28, and both radar microwave sensor 21 and LED lamp plate 25 are in circuit connection with the control module.
Still including light sensor 32 and LED bulb 33, mounting panel 142 front side upper portion is opened has third recess 31, and the top is equipped with light sensor 32 in the third recess 31, and mounting panel 142 right side middle part is equipped with LED bulb 33, and light sensor 32 and LED bulb 33 all have line connection with control module.
People install the device on the ceiling 1 through the fixed seat 2, people can stop the automobile under the device, then the device is electrified, then the A key on the remote controller 14 is pressed, the remote controller 14 sends out a signal, the control module receives the signal and controls the first motor 10 to rotate clockwise, meanwhile, the control module controls the second motor 101 to rotate anticlockwise and drives the gear 11 on the right side to rotate anticlockwise so as to drive the rack 7 on the right side to rotate clockwise and further drive the arc-shaped sliding rod 4 on the right side to rotate clockwise, the arc-shaped supporting rod 5 on the right side rotates clockwise along with the signal and unfold the shielding cloth 6, the rack 7 on the right side can also drive the fixed block 8 on the right side to rotate clockwise, when the fixed block 8 on the right side rotates clockwise and touches the second travel switch 121, the second travel switch 121 sends out a signal, and the control module receives the signal and controls the, first motor 10 clockwise rotation drives left gear 11 clockwise rotation, thereby drive left rack 7 anticlockwise rotation, and then drive left arc slide bar 4 anticlockwise rotation, left arc branch 5 anticlockwise rotation along with, to shelter from cloth 6 and expand, left rack 7 anticlockwise rotation still can drive left fixed block 8 anticlockwise rotation, when left fixed block 8 anticlockwise rotation touches first travel switch 12, first travel switch 12 signals, control first motor 10 of control behind the control module received signal stops clockwise rotation, it can shelter from the car to shelter from cloth 6, avoid the dust to fall on the car, thereby can avoid the car to become dirty. When the automobile needs to be driven out, a user presses a key B on the remote controller 14, the remote controller 14 sends a signal, the control module receives the signal and then controls the first motor 10 to rotate anticlockwise, meanwhile, the control module controls the second motor 101 to rotate clockwise to drive the gear 11 on the right side to rotate clockwise, so as to drive the rack 7 on the right side to rotate anticlockwise, the arc-shaped supporting rod 5 on the right side rotates anticlockwise along with the rack, the shielding cloth 6 is collected, the rack 7 on the right side rotates anticlockwise and can also drive the fixing block 8 on the right side to rotate anticlockwise, when the fixing block 8 on the right side rotates anticlockwise and touches the fourth travel switch 131, the fourth travel switch 131 sends a signal, the control module receives the signal and then controls the second motor 101 to stop rotating clockwise, the first motor 10 rotates anticlockwise to drive the gear 11 on the left side, left arc branch 5 rotates clockwise along with it, will shelter from cloth 6 and pack up, left rack 7 clockwise rotation still can drive left fixed block 8 clockwise rotation, when left fixed block 8 clockwise rotation touches third travel switch 13, third travel switch 13 signals, control module received signal back control first motor 10 and stop anticlockwise rotation, and at this moment, shelter from cloth 6 and pack up completely, people can open the car out. When the device is not needed, people cut off the power of the device.
After shielding cloth 6 is collected, people press the C key on remote controller 14, remote controller 14 sends out a signal, control first electro-magnet 16 and second electro-magnet 161 circular telegram after control module received signal, first electro-magnet 16 can hold left slider 19, make left slider 19 insert left first recess 15, block left arc slide bar 4, at this moment, left first spring 18 is stretched, second electro-magnet 161 can hold right slider 19, make right slider 19 insert right first recess 15, block right arc slide bar 4, at this moment, right first spring 18 is stretched, so, can avoid arc slide bar 4 to slide down. When the shielding cloth 6 needs to be unfolded, a user presses the C key on the remote controller 14, the remote controller 14 sends a signal, the control module receives the signal and then controls the first electromagnet 16 and the second electromagnet 161 to be powered off, the sliding blocks 19 on the left side and the right side are released, and under the action of the first spring 18, the sliding blocks 19 on the left side and the right side move upwards, and the arc-shaped sliding rods 4 on the left side and the right side are released.
When this device circular telegram, control module control microwave radar sensor 21 work, when someone is close microwave radar sensor 21, microwave radar sensor 21 signals, control LED lamp plate 25 lights 10 seconds behind the control module received signal, and LED lamp plate 25 lights direction blank 26, and the export direction in the directional parking area of direction blank 26 tells people this direction and is the export direction in parking area, and after 10 seconds, LED lamp plate 25 extinguishes. When the direction blank 26 needs to be replaced, a person pulls the guide rod 28 downwards to drive the lug 30 to move downwards, the second spring 29 is compressed, when the lug 30 moves into the guide hole 27, the person stops pulling the guide rod 28, then takes the direction blank 26 down, inserts the other direction blank 26 into the second groove 23, releases the guide rod 28 again, and under the action of the second spring 29, the lug 30 returns upwards to block the other direction blank 26. When the device is powered off, the microwave radar sensor 21 stops working.
When this device circular telegram, control module control light sensor 32 work, and light sensor 32 can detect light value on every side, and when light value on every side was less than light sensor 32's rated value, light sensor 32 signals, and control module received signal back control LED bulb 33 lights, illuminates on every side for people can be better the parking. When the ambient light value is higher than the rated value of the light sensor 32, the light sensor 32 sends a signal, and the control module receives the signal and controls the LED bulb 33 to be turned off. When the device is powered off, the light sensor 32 stops operating.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.