AC / DC dual-purpose fan with automatic switching power supply mode

Abstract

The utility model discloses alternating current and direct current dual -purpose fan with automatic switching power supply mode, including fan main part, the right side of fan main part is equipped with the jack for accessing alternating current, the bottom of fan main part is equipped with the battery for providing direct current to it, the inside PCB of fan main part is integrated with power detection module, switching control module, voltage conversion module and motor drive module, power detection module is used for real -time monitoring ACDC power state, switching control module is used for according to power detection module detection result control switching power path. The utility model discloses, if the power failure condition appears, switching control module will switch to direct current mode at this moment, uses the battery power supply, and then keeps fan main part can steady operation, avoids appearing fan main part shutdown condition.

Description

Technical Field

[0001] This utility model relates to the field of AC / DC fan technology, and more specifically, to an AC / DC dual-purpose fan with automatic power supply mode switching. Background Technology

[0002] A dual-power automatic switching fan is a fan device that can automatically switch between AC and DC power supply, featuring flexible power supply and energy efficiency.

[0003] Traditional fans can only be manually switched between AC and DC power. If there is a power outage at night, the power mode cannot be switched in time, which may cause the user to wake up from the heat. In addition, the current electricity pricing method uses the "peak, valley, flat" pricing method. Electricity is cheaper at night and in the early morning, which are the "valley" and "flat" pricing periods, while electricity is more expensive during the daytime, which are the "peak" pricing periods. Common fans cannot actively switch the power mode, so they cannot achieve the effect of saving electricity by utilizing the pricing method. Utility Model Content

[0004] The purpose of this invention is to provide an AC / DC dual-purpose fan with automatic power supply mode switching to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution;

[0006] A dual-purpose AC / DC fan with automatic power supply switching mode includes a fan body. An AC power socket is installed on the right side of the fan body, and a DC power supply battery is installed at the bottom of the fan body. An internal PCB of the fan body integrates a power detection module, a switching control module, a voltage conversion module, and a motor drive module. The power detection module monitors the AC / DC power status in real time. The switching control module controls the switching of the power path based on the detection results. The voltage conversion module converts different input voltages into the operating voltage required by the internal motor of the fan body. The motor drive module controls the start, stop, and speed adjustment of the internal motor. A charging interface for charging the battery is located on the right side of the fan body.

[0007] As a further description of the above technical solution:

[0008] The fan body has an integrated protection module on its internal PCB, which provides overvoltage, undervoltage and short-circuit protection for the circuit.

[0009] As a further description of the above technical solution:

[0010] The internal PCB of the fan body integrates a clock module and a comparison module. The clock module records time in real time and supports power-off memory. The time recorded by the clock module is sent to the comparison module. The comparison module compares the received time with the time period of off-peak electricity price and grid electricity price. When the received time is within the time period of off-peak electricity price and grid electricity price, the comparison module sends a low electricity price signal to the switching control module, and the switching control module switches to the AC power path. When the received time is not within the time period of off-peak electricity price and grid electricity price, the comparison module sends a high electricity price signal to the switching control module, and the switching control module switches to the DC power path.

[0011] As a further description of the above technical solution:

[0012] The top of the fan body has two mounting slots, and a handle is rotatably connected between the two mounting slots.

[0013] As a further description of the above technical solution:

[0014] Decorative panels are fixedly connected to both sides of the fan body, and both decorative panels are made of ABS.

[0015] Compared with existing technologies, the advantages of this utility model are:

[0016] In the event of a power outage, this solution will switch the control module to DC power mode and use battery power to maintain stable operation of the fan and prevent the fan from shutting down. During use, the "peak, valley, and flat" pricing method can be used to flexibly utilize both AC and DC power supplies, thereby saving on electricity costs. Attached Figure Description

[0017] Figure 1 One of the perspective views of this utility model;

[0018] Figure 2 This is a second perspective view of the present utility model;

[0019] Figure 3 This is a third perspective view of the present utility model;

[0020] Figure 4 This is a schematic diagram of the present invention.

[0021] Explanation of the labels in the diagram:

[0022] 1. Fan body; 2. Socket; 3. Battery; 4. Power detection module; 5. Switching control module; 6. Voltage conversion module; 7. Motor drive module; 8. Charging interface; 9. Protection module; 10. Clock module; 11. Comparison module; 12. Handle; 13. Decorative panel. Detailed Implementation

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0024] To address the issue that traditional fans cannot automatically switch power supply modes during power outages, this solution provides Example 1:

[0025] Please see Figure 1-4 In this utility model: an AC / DC dual-purpose fan with automatic power supply switching mode includes a fan body 1. A socket 2 for connecting AC power is installed on the right side of the fan body 1. A battery 3 for providing DC power is installed at the bottom of the fan body 1. The internal PCB of the fan body 1 integrates a power detection module 4, a switching control module 5, a voltage conversion module 6, and a motor drive module 7. The power detection module 4 is used to monitor the AC / DC power status in real time. The switching control module 5 is used to control the switching power path according to the detection result of the power detection module 4. The voltage conversion module 6 is used to convert different input voltages into the working voltage required by the internal motor of the fan body 1. The motor drive module 7 is used to control the start, stop, and speed adjustment of the internal motor of the fan body 1. A charging interface 8 for charging the battery 3 is provided on the right side of the fan body 1.

[0026] In this invention, when in use, the fan body 1 can be connected to the socket 2 via a power cord, and AC power can be used to drive the motor in the fan body 1. This method is AC power mode. The battery 3 at the bottom of the fan body 1 can directly drive the motor inside the fan body 1. This method is DC power mode.

[0027] In daily use, the power detection module 4 is used to monitor the AC / DC power status in real time and send the AC / DC power status to the switching control module 5. The switching control module 5 selects whether to use AC power or DC power supply based on the detection results.

[0028] When an AC power abnormality is detected, such as a power outage, the switching control module 5 will switch to DC power mode and use battery 3 for power supply, thereby ensuring the stable operation of the fan body 1 and preventing the fan body 1 from stopping.

[0029] When the voltage of battery 3 is detected to be too low, the switching control module 5 will switch to AC power supply, using residential electricity, thereby reducing the occurrence of fan body 1 shutting down.

[0030] During use, the voltage conversion module 6 will convert different input voltages into the working voltage required by the motor inside the fan body 1, thereby protecting the motor inside the fan body 1. The motor drive module 7 is used to control the start, stop and speed adjustment of the motor inside the fan body 1. This module can be adjusted by the user, making it convenient for the user to control the fan body 1. The charging port 8 on the right side of the fan body 1 can be used to charge the battery 3.

[0031] Please see Figure 4 Among them, the internal PCB of the fan body 1 integrates a protection module 9, which provides overvoltage, undervoltage and short circuit protection for the circuit.

[0032] In this invention, the protection module 9 can provide overvoltage, undervoltage and short-circuit protection for the circuit, thereby improving the safety of the device.

[0033] Please see Figure 1-3 The fan body 1 has two mounting slots on its top, and a handle 12 is rotatably connected between the two mounting slots.

[0034] In this invention, the mounting slot and handle 12 make it easier for users to carry the fan body 1, thereby improving the practicality of the device.

[0035] Please see Figure 1-3 The fan body 1 has decorative panels 13 fixedly connected to both the left and right sides, and both decorative panels 13 are made of ABS.

[0036] In this utility model, the decorative panel 13 can enhance the aesthetics of the fan body 1, thereby improving the practicality of the device.

[0037] In order to achieve the goal of saving electricity costs by utilizing the "peak, valley, and flat" pricing method, this solution provides Example 2:

[0038] Please see Figure 4 The fan body 1 has an integrated clock module 10 and a comparison module 11 on its internal PCB. The clock module 10 records the time in real time and supports power-off memory. The time recorded by the clock module 10 is sent to the comparison module 11. The comparison module 11 compares the received time with the time periods of off-peak and grid-rate electricity. When the received time falls within the time period of off-peak and grid-rate electricity, the comparison module 11 sends a low electricity price signal to the switching control module 5, and the switching control module 5 switches to the AC power path. When the received time does not fall within the time period of off-peak and grid-rate electricity, the comparison module 11 sends a high electricity price signal to the switching control module 5, and the switching control module 5 switches to the DC power path.

[0039] In this invention, during use, the time recorded in real time by the clock module 10 is sent to the comparison module 11. The comparison module 11 compares the received time with the time periods when the off-peak and flat-price electricity rates are in effect. When the received time falls within the off-peak and flat-price electricity rate periods, the comparison module 11 sends a low-price signal to the switching control module 5, which then switches to the AC power path. When the received time does not fall within the off-peak and flat-price electricity rate periods, the comparison module 11 sends a high-price signal to the switching control module 5, which then switches to the DC power path. By using AC power during off-peak and flat-price electricity rate periods and battery 3 power during peak-price periods, electricity costs can be effectively saved, thereby improving the practicality of the device.

[0040] The above are merely preferred embodiments of this utility model; however, the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and its improved concept, should be included within the scope of protection of this utility model.

Claims

1. A dual-purpose AC / DC fan with automatic power supply mode switching, comprising a fan body (1), characterized in that: The fan body (1) has an AC power socket (2) installed on its right side. The fan body (1) has a battery (3) installed at its bottom to provide DC power. The fan body (1) has an integrated power detection module (4), a switching control module (5), a voltage conversion module (6), and a motor drive module (7) on its internal PCB. The power detection module (4) is used to monitor the AC / DC power status in real time. The switching control module (5) is used to control the switching power path according to the detection result of the power detection module (4). The voltage conversion module (6) is used to convert different input voltages into the working voltage required by the motor inside the fan body (1). The motor drive module (7) is used to control the start, stop, and speed adjustment of the motor inside the fan body (1). The fan body (1) has a charging interface (8) for charging the battery (3) on its right side.

2. The AC / DC dual-purpose fan with automatic power supply mode switching according to claim 1, characterized in that: The fan body (1) has an integrated protection module (9) on its internal PCB, which provides overvoltage, undervoltage and short-circuit protection for the circuit.

3. The AC / DC dual-purpose fan with automatic power supply mode switching according to claim 1, characterized in that: The internal PCB of the fan body (1) integrates a clock module (10) and a comparison module (11). The clock module (10) is used to record time in real time and supports power-off memory. The time recorded by the clock module (10) in real time is sent to the comparison module (11). The comparison module (11) compares the received time with the time period of the off-peak electricity price and the flat electricity price. When the received time is within the time period of the off-peak electricity price and the flat electricity price, the comparison module (11) sends a low electricity price signal to the switching control module (5), and the switching control module (5) switches to the AC power path. When the received time is not within the time period of the off-peak electricity price and the flat electricity price, the comparison module (11) sends a high electricity price signal to the switching control module (5), and the switching control module (5) switches to the DC power path.

4. The AC / DC dual-purpose fan with automatic power supply mode switching according to claim 1, characterized in that: The top of the fan body (1) has two mounting slots, and a handle (12) is rotatably connected between the two mounting slots.

5. The AC / DC dual-purpose fan with automatic power supply mode switching according to claim 1, characterized in that: The fan body (1) is fixedly connected to decorative panels (13) on both the left and right sides, and both decorative panels (13) are made of ABS.

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