CN104179701A - Maternal and infant safety electric fan - Google Patents

Abstract

A safe electric fan for mothers and babies, including a fan assembly, a support plate and a support seat, the fan assembly and the support plate, and the support plate and the support seat are respectively connected by rotating shafts, and the fan assembly includes a blade protection cover As well as the control system, rechargeable lithium battery, circuit board, motor and fan blade assembly arranged in the fan blade protective cover, the corresponding surface of the support seat and the support plate is provided with solar panels connected in series, and the solar panels are connected by light. After irradiation, an electromotive force is generated, and the electromotive force is rectified and stabilized by the control system to charge the rechargeable lithium battery. The power stored in the rechargeable lithium battery is transmitted through the circuit board and used to supply power to the motor to drive the fan blade assembly to work; the invention uses solar energy to carry out The power supply avoids the harm to children caused by the 220V alternating current of ordinary fans, and is especially suitable for mothers and infants. The invention does not need an external power supply, and can be conveniently and safely used in the mosquito nets of children's cars and children's beds.

Description

Safety electric fan for mother and baby

technical field

The invention relates to an electric fan, in particular to a safe electric fan for mothers and infants.

Background technique

At present, most of the fans on the market are powered by AC power, 220V voltage is not safe, there are also some low-voltage USB-powered small fans, but they cannot be used without electricity. a waste of resource.

Contents of the invention

In order to solve the above-mentioned technical problems, the present invention provides a safe electric fan for mothers and infants, which uses solar energy for power supply, avoids the harm to children caused by the 220V alternating current of ordinary fans, and is especially suitable for mothers and infants. The present invention does not need an external power supply, and can be more It is convenient and safe to be used in mosquito nets of children's vehicles and children's beds. In addition, it is also suitable for occasions where it is inconvenient to use electricity such as outdoors.

The technical solution adopted in the present invention is: a safety electric fan for mothers and infants, including a fan assembly, a support plate and a support seat, and between the fan assembly and the support plate and between the support plate and the support seat are respectively rotated Shaft connection, the fan assembly includes a fan blade protection cover and a control system arranged in the fan blade protection cover, a rechargeable lithium battery, a circuit board, a motor connected to the rechargeable lithium battery through the circuit board, and a motor connected to the output end of the motor For the fan blade assembly, solar panels connected in series are arranged on the surfaces corresponding to the support base and the support plate. The solar panels generate electromotive force after being irradiated by light. For charging, the power stored in the rechargeable lithium battery is transmitted through the circuit board and used to supply power to the motor to drive the fan blade assembly.

The supporting board is a telescopic supporting board.

A clip is provided on one end surface of the support plate facing away from the solar battery panel, so as to satisfy the fixing of the electric fan when the solar battery panel is charging.

The support base is provided with an external charging jack.

The support seat is provided with a groove, and the groove is arranged on the same surface as the solar cell panel on the support seat, and the liftable pillar for supporting the support plate is hinged in the groove, and the support plate is provided with A plurality of draw-in slots matched with the free ends of the liftable pillars.

Beneficial effects of the present invention:

(1) In the present invention, there are two solar panels connected in series, which can efficiently convert solar energy, have high charging efficiency, and the rechargeable lithium battery is light, efficient and durable;

(2) The present invention is equipped with a clip, so that the present invention has two functions of a table fan and a clip fan, and is easy to use;

(3) In the present invention, the fan assembly and the support plate, and the support plate and the support seat are connected by a rotating shaft, so that the fan assembly can rotate 360 degrees, and the support plate and the support seat can be folded, which effectively reduces the cost of the present invention. Occupy space, convenient for users to go out and carry;

(4) The present invention is powered by solar energy, with low voltage and current, low power consumption, safety and energy saving;

(5) There is an external charging socket in the present invention, which can meet the normal power supply through an external power supply when the solar energy cannot be used;

(6) The support seat of the present invention is provided with grooves and retractable pillars for supporting the support plate in the groove, which can not only effectively share the load bearing of the support plate, but also can adjust the angle between the support plate and the support seat. , adjust the height of the fan assembly to increase the user's comfort.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a circuit diagram of the present invention;

Fig. 3 is a schematic diagram of the expanded structure of the support plate and the support seat;

Marks in the figure: 1. Fan assembly, 2. Support plate, 3. Support seat, 4. Rotation shaft, 5. Solar panel, 6. Fan blade protection cover, 7. Rechargeable lithium battery, 8. Circuit board, 9. Motor, 10. Fan blade assembly, 11. Clip, 12. Groove, 13. Liftable pillar, 14. External charging jack, 15. Card slot.

Detailed ways

As shown in the figure, a safety electric fan for mothers and infants includes a fan assembly 1, a support plate 2 and a support seat 3, and between the fan assembly 1 and the support plate 2 and between the support plate 2 and the support seat 3 Respectively connected by the rotating shaft 4, the fan assembly 1 includes a fan blade protective cover 6 and a control system arranged in the fan blade protective cover 6, a rechargeable lithium battery 7, a circuit board 8, and a rechargeable lithium battery through the circuit board 8. The motor 9 connected to the battery 7 and the fan blade assembly 10 connected to the output end of the motor 9, the corresponding surface of the support seat 3 and the support plate 2 are provided with solar panels 5 connected in series, and the solar panels 5 are irradiated by light. The electromotive force is generated, and the generated electromotive force is rectified and stabilized by the control system to charge the rechargeable lithium battery 7. The power stored in the rechargeable lithium battery 7 is transmitted through the circuit board 8 and used to supply power to the motor 9 to drive the fan blade assembly 10 to work.

The support plate 2 is a telescopic support plate, and one end surface of the support plate 2 facing away from the solar cell panel 5 is provided with a clip 11, so as to satisfy the fixing of the electric fan when the solar cell panel 5 is charged, and the support seat 3 is provided with An external charging socket 14 is provided, and the support base 3 is provided with a groove 12, and the groove 12 is arranged on the same surface as the solar cell panel 5 on the support base 3, and the groove 12 is hinged for supporting support. The liftable pillar 13 of the plate 2 is provided with a plurality of slots 15 matching the free ends of the liftable pillar 13 on the support plate 2 .

Further, a switch and a charging indicator light are arranged on the fan blade protection cover 6, and the switch includes a single-control fan switch and a double-control charging switch.

Furthermore, the edge of the groove 12 is hinged with an end cover matched therewith.

As shown in Figure 1, the solar panel 5 is connected to the voltage regulator in the control system to form a solar charger, its anode is connected to the b pin of the SPDT switch, and the a pin is connected to the LED light-emitting diode as a charging indicator, and then connected to the switch The A pin of the switch is connected, the B pin of the switch is connected to the positive pole of the motor 9, the positive pole of the rechargeable lithium battery 7 is connected in parallel with it, and the negative pole of the rechargeable lithium battery 7 is connected to the negative pole of the solar charging power supply together with the negative pole of the motor 9. An external charging jack is composed of the c-pin lead wire of the single-pole double-throw switch and the negative pole connection wire of the motor 9.

In the present invention, the fan assembly and the support plate, and the support plate and the support seat are connected by a rotating shaft, so that the fan assembly can rotate 360 degrees, and the support plate and the support seat can be folded, which effectively reduces the occupied space of the present invention. It is convenient for users to go out and carry; the invention is powered by solar energy, with low voltage and current, low power consumption, safety and energy saving; the invention is equipped with an external charging socket, which can meet the normal power supply through an external power supply when solar energy cannot be used; the support seat of the invention There are grooves and retractable pillars for supporting the support plate in the groove, which can not only effectively share the load of the support plate, but also adjust the height of the fan assembly by adjusting the angle between the support plate and the support seat. Increase user comfort.

Claims (5)

1. A safe electric fan for mothers and babies, including a fan assembly (1), a support plate (2) and a support seat (3), the space between the fan assembly (1) and the support plate (2) and the support plate (2) and the supporting base (3) are respectively connected by rotating shafts (4), and the feature is that: the fan assembly (1) includes a fan blade protection cover (6) and is arranged on the fan blade protection cover (6) The control system inside, the rechargeable lithium battery (7), the circuit board (8), the motor (9) connected to the rechargeable lithium battery (7) through the circuit board (8), and the fan blade connected to the output end of the motor (9) Assemblies (10), solar panels (5) connected in series are arranged on the corresponding surfaces of the support base (3) and the support plate (2), and the solar panels (5) generate electromotive force after being irradiated by light, and the The electromotive force is rectified and stabilized by the control system to charge the rechargeable lithium battery (7), and the power stored in the rechargeable lithium battery (7) is transmitted through the circuit board (8) and used to supply power to the motor (9) to drive the fan blade assembly (10) WORK. 2. A safe electric fan for mothers and babies according to claim 1, characterized in that the support plate (2) is a telescopic support plate. 3. A safe electric fan for mothers and babies according to claim 1, characterized in that: a clip (11) is provided on one end surface of the support plate (2) facing away from the solar panel (5) to meet The electric fan is fixed when the solar panel (5) is charging. 4. A safe electric fan for mothers and babies according to claim 1, characterized in that: the support base (3) is provided with an external charging jack (14). 5. A safe electric fan for mothers and babies according to claim 1, characterized in that: the support seat (3) is provided with a groove (12), and the groove (12) is connected with the support seat (3) ) on the same surface, the groove (12) is hinged with liftable pillars (13) for supporting the support plate (2), and the support plate (2) is provided with multiple A draw-in slot (15) matched with the free end of the liftable support (13).