Power-off protection device and equipment

Abstract

The utility model provides a power-off protection device and equipment, the device comprises a processor, a functional component module, a power-off switch and a gear switch, the processor is connected with the functional component module, the gear switch and the power-off switch, and the power-off switch is connected with the functional component module; the processor is used for responding to the fact that the functional assembly module is in the working state, the gear switch is in the closed state and an accidental power-off identification event is detected, and controlling the power-off switch to be in the open state so that the functional assembly module can be converted into the non-working state. After the power-off protection device and the power-off protection equipment are electrified in the current use, if the previous use is detected as accidental power-off, namely, the gear switch is not in the off state, the power is directly cut off in a power-off mode, the power can be automatically cut off in the current use, and the safety is enhanced.

Description

Technical Field

[0001] The present disclosure relates to the field of household appliances, and in particular to a power-off protection device and equipment. Background Art

[0002] Hair dryers are common household appliances, making their safety particularly important. However, current hair dryers present a potential safety hazard: if a power outage occurs while the hair dryer is in use, and the user fails to promptly shut down the hair dryer and properly store it, the hair dryer may automatically restart and continue to output hot air once power is restored, increasing the risk of fire. Utility Model Content

[0003] The present disclosure provides a power-off protection device and equipment to at least solve the above technical problems existing in the prior art.

[0004] According to a first aspect of the present disclosure, a power-off protection device is provided, the device comprising: a processor, a functional component module, a power-off switch, and a shift switch, the processor being connected to the functional component module, the shift switch, and the power-off switch, respectively, and the power-off switch being connected to the functional component module;

[0005] The processor is configured to, in response to the functional component module being in an operating state, the gear switch being in a closed state, and detecting an unexpected power-off identification event, control the power-off switch to be in an open state, so as to convert the functional component module into a non-operating state.

[0006] In one embodiment, the functional component module includes one or more of a wind wheel and a heater;

[0007] The wind wheel is used to generate and guide airflow to achieve a blowing function;

[0008] The heater is used to heat the air and provide hot air output.

[0009] In one embodiment, the device further includes a rectifier, which is connected to the wind wheel and is used to convert alternating current into direct current to supply the wind wheel.

[0010] In one embodiment, the processor includes an unexpected power-off determination module, which is configured to generate the unexpected power-off identifier in response to an event in which the functional component module is in a non-working state and the shift switch is in a closed state.

[0011] In one possible implementation manner, the shift switch includes a plurality of shifts, each for enabling the functional component module to implement a different working mode.

[0012] In one embodiment, the device further includes a prompt module, which is connected to the processor and is configured to prompt a user to place the shift switch in an off state.

[0013] In one possible implementation, the prompt module includes an indicator light and / or a voice module;

[0014] The indicator light is used to prompt the user to put the shift switch into the off state by flashing the light;

[0015] The voice module is used to prompt the user to put the shift switch into the off state through voice.

[0016] In one embodiment, the power-off switch is any one of an electromagnetic relay, a solid-state relay, and a mechanical switch.

[0017] According to another aspect of the present disclosure, a device is provided, comprising the power-off protection device as described in any one of the above embodiments.

[0018] In one possible embodiment, the device is a hair dryer.

[0019] The disclosed power-off protection device and equipment include a processor, a functional component module, a power-off switch, and a shift switch. The processor is connected to the functional component module, the shift switch, and the power-off switch, respectively, and the power-off switch is connected to the functional component module. After the device is powered on for a current use, if it detects that the power was unexpectedly disconnected during the previous use, that is, the device does not turn the shift switch off but directly disconnects the power supply, the device can automatically disconnect the power supply during the current use, thereby enhancing safety and saving energy.

[0020] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present disclosure, nor are they intended to limit the scope of the present disclosure. Other features of the present disclosure will become readily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and other objects, features and advantages of the exemplary embodiments of the present disclosure will become readily understood by reading the detailed description below with reference to the accompanying drawings, in which several embodiments of the present disclosure are shown by way of example and not limitation, wherein:

[0022] In the drawings, the same or corresponding reference numerals denote the same or corresponding parts.

[0023] Figure 1 The schematic diagram of the structure of a power-off protection device according to the embodiment of the present disclosure is shown. Figure 1 ;

[0024] Figure 2 The schematic diagram of the working process of a power-off protection device according to the embodiment of the present disclosure is shown. Figure 1 ;

[0025] Figure 3 The schematic diagram of the structure of a power-off protection device according to the embodiment of the present disclosure is shown. Figure 2 ;

[0026] Figure 4 The schematic diagram of the working process of a power-off protection device according to the embodiment of the present disclosure is shown. Figure 2 .

[0027] Description of the numbers in the figure:

[0028] 1. Processor; 2. Functional component module; 21. Wind wheel; 22. Heater; 3. Power off switch; 4. Shift switch; 5. Rectifier; 6. Shutdown switch. DETAILED DESCRIPTION

[0029] To make the purposes, features, and advantages of the present disclosure more apparent and understandable, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present disclosure, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present disclosure without creative work shall fall within the scope of protection of the present disclosure.

[0030] Figure 1 The schematic diagram of the structure of a power-off protection device according to the embodiment of the present disclosure is shown. Figure 1 ,like Figure 1 As shown, the device includes: a processor 1, a functional component module 2, a power-off switch 3 and a gear switch 4. The processor 1 is respectively connected to the functional component module 2, the gear switch 4 and the power-off switch 3, and the power-off switch 3 is connected to the functional component module 2; the processor 1 is used to respond to the functional component module 2 being in a working state, the gear switch 4 being in a closed state, and detecting an unexpected power-off identification event, and control the power-off switch 3 to be in an open state, so that the functional component module 2 is converted to a non-working state.

[0031] Functional component module 2 is used to perform specific functions, such as a wind turbine, heater, or motor. A power cutoff switch 3 controls the power supply to functional component module 2. When processor 1 detects a need for power cutoff protection, it controls power cutoff switch 3 to open, cutting off power to functional component module 2 and halting its operation. A shift switch 4 directly controls the operating state of functional component module 2. When shift switch 4 is closed, functional component module 2 operates normally; when it is open, functional component module 2 ceases operation.

[0032] The processor 1 is the core control unit of the device, responsible for monitoring the working status of the functional component module 2, the opening and closing of the gear switch 4, controlling the opening and closing of the power switch 3, and detecting whether there is an unexpected power-off mark. Figure 2 As shown, the processor 1 can determine whether the functional component module 2 is started by monitoring the voltage of the functional component module 2. If started, the processor 1 detects whether the gear switch 4 is in a closed state. If it is in an open state, the functional component module 2 does not work. If it is in a closed state, the processor 1 detects whether there is an unexpected power-off mark. If so, the processor 1 controls the power-off switch 3 to be in an open state, so that the functional component module 2 is converted to a non-working state. If not, the functional component module 2 continues to work normally. Among them, the unexpected power-off mark is the processor 1 judging whether the device was accidentally powered off during the last use. If so, the unexpected power-off mark is recorded.

[0033] After the device of this embodiment is powered on for this use, if it is detected that the power was accidentally cut off during the previous use, that is, the shift switch 4 is not placed in the off state, but the power is directly cut off by disconnecting the power supply, the power supply can be automatically disconnected during the current use, which not only enhances the safety of the device but also effectively avoids unnecessary energy waste.

[0034] In one embodiment of the present disclosure, the functional component module 2 includes one or more of a wind wheel 21 and a heater 22; the wind wheel 21 is used to generate a guided airflow to achieve a blowing function; the heater 22 is used to heat the air and provide hot air output.

[0035] like Figure 3 As shown, in this embodiment, the functional component module 2 can integrate multiple components to perform diverse functions. Specifically, it can include one or more of a fan 21 and a heater 22. The fan 21 is primarily used to generate airflow, thereby achieving the basic function of blowing air. The heater 22 is primarily used to heat the air, resulting in a higher temperature for the blown air.

[0036] like Figure 3 As shown, in one embodiment of the present disclosure, the device further includes a rectifier 5 , which is connected to the wind wheel 21 and is used to convert alternating current into direct current to supply the wind wheel 21 .

[0037] Since most wind turbine motors operate under direct current (DC) power, the device of this embodiment further includes a rectifier 5. The rectifier 5 converts the AC power provided by the power grid into stable DC power, which is then converted into DC power and supplied to the wind turbine 21, thereby achieving stable airflow.

[0038] In one embodiment of the present disclosure, the processor 1 includes an unexpected power failure judgment module, which is used to generate an unexpected power failure identifier in response to the event that the functional component module 2 is in a non-working state and the shift switch 4 is in a closed state.

[0039] The accidental power failure judgment module is used to judge whether the power failure occurred during the last use of the device, and if so, an accidental power failure mark is generated. Figure 4 As shown, the specific judgment process is as follows: Initially, functional component module 2 is in normal working condition. The unexpected power failure judgment module continuously detects whether functional component module 2 is in an inoperative state. Specifically, this is done by detecting the real-time voltage of functional component module 2 and determining whether the real-time voltage meets a preset condition. The preset condition can be set according to actual conditions, for example, to "less than 0.8 times the operating voltage." If so, processor 1 detects whether shift switch 4 is in the closed state. If so, it is determined to be an unexpected power failure, and an unexpected power failure flag is generated.

[0040] In one embodiment of the present disclosure, the gear switch 4 includes a plurality of gears, each of which is used to enable the functional component module 2 to implement a different working mode.

[0041] In this embodiment, the gear switch 4 includes multiple different operating gears. These gears each correspond to a different operating mode of the functional component module 2. By selecting different gears, the user can flexibly adjust the operating state of the device to meet different usage requirements. These gears can be set based on the specific functions of the functional component module 2. For example, if the functional component module 2 includes a fan 21 and a heater 22, the gear switch 4 can include a cold air gear, a low temperature gear, a high temperature gear, and so on.

[0042] In one embodiment of the present disclosure, the device further includes a prompt module, which is connected to the processor 1 and is used to prompt the user to place the shift switch 4 in an off state.

[0043] Specifically, if the last power outage is determined to be an accidental one, the power-off switch 3 is turned on, and the functional component module 2 is switched to an inoperative state. The device is now plugged in but not operating. To prevent users from believing the device is damaged, this embodiment incorporates a prompt module that provides a clear prompt to the user, directing them to disconnect the shift switch 4. Once closed, normal operation can resume. This improves user experience and safety.

[0044] In one embodiment of the present disclosure, the prompt module includes an indicator light and a voice module.

[0045] Specifically, the prompt module can include one or more of an indicator light and a voice module. The indicator light can flash or remain lit in different colors to communicate device status information to the user. The voice module interacts with the user through sound, providing clear voice prompts such as "Please turn the switch off and then back on again." This ensures that the user can accurately understand and follow the prompts.

[0046] In one embodiment of the present disclosure, the power cutoff switch 3 is any one of an electromagnetic relay, a solid-state relay, and a mechanical switch. The specific type of the power cutoff switch 3 can be determined according to the specific requirements and application scenarios of the power cutoff protection device.

[0047] Another aspect of the present disclosure discloses a device including the power-off protection device in the above embodiment. Specifically, the device can be a household appliance such as a heater, a hair dryer, or an electric fan heater.

[0048] In one embodiment of the present disclosure, the device is a hair dryer. The following takes the hair dryer as an example to explain the above embodiment in detail. Figure 3 As shown, the hair dryer includes a housing and a power-off protection device. The power-off protection device includes: a processor 11, a functional component module 2 (including a wind wheel 21 and a heater 22), a power switch 3, a gear switch 4, a rectifier 5, and an off switch 6. The gear switch 4 has cold air, hot air 1, and hot air 2. The processor 11 is connected to the aforementioned components through different ports.

[0049] Whether the hair dryer is in cold air mode or hot air mode, the impeller 21 is in operation. Furthermore, the impeller 21 maintains a stable voltage U1 during operation. If the power is cut off, the voltage of the impeller 21 decreases. When the voltage drops to 0.8 times U1, the impeller 21 is in an inoperative state.

[0050] In one case, when a user is using a hair dryer, a power outage occurs. The processor 1 detects that the hair dryer has stopped working by detecting the voltage of the wind wheel 21. At this time, if the user has not unplugged the power supply and has not put the gear switch 4 in the off state, the processor 1 generates an unexpected power outage mark. After the call comes back, the hair dryer works again. If the processor 1 detects the unexpected power outage mark and the gear switch is still in the closed state, the power off switch 3 is turned on to stop the hair dryer. The voice prompts the user to "put the gear switch in the off state, and then put it in the closed state again to restart." This enhances the safety of the hair dryer and avoids unnecessary waste of power.

[0051] In one scenario, the user unplugged the power cord instead of disengaging the range switch 4 after using the hair dryer the last time. Processor 1 generates an unexpected power-off flag. The next time the user plugs in the power cord, if processor 1 detects the unexpected power-off flag and the range switch is still closed, it opens power-off switch 3, stopping the hair dryer. A voice prompt prompts the user: "Put the range switch off, then back on to restart."

[0052] It can be understood that the above two situations are only illustrative examples, and the actual situation is not limited to the above situations.

[0053] It should be understood that the various forms of the processes shown above can be used to reorder, add, or delete steps. For example, the steps described in this disclosure can be performed in parallel, sequentially, or in a different order, as long as the desired results of the technical solutions disclosed in this disclosure can be achieved. This is not a limitation herein.

[0054] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. Throughout the present disclosure, "plurality" means two or more, unless otherwise specifically defined.

[0055] The above description is merely a specific embodiment of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A power-off protection device, characterized in that: The device comprises: a processor (1), a functional component module (2), a power-off switch (3), and a gear switch (4); the processor (1) is connected to the functional component module (2), the gear switch (4), and the power-off switch (3), respectively; and the power-off switch (3) is connected to the functional component module (2); The processor (1) is used for controlling the power-off switch (3) to be in an open state in response to the functional component module (2) being in an operating state, the gear switch (4) being in a closed state, and detecting an unexpected power-off identification event, so as to convert the functional component module (2) into a non-operating state.

2. The device according to claim 1, characterized in that The functional component module (2) includes one or more of a wind wheel (21) and a heater (22); The wind wheel (21) is used to generate a guiding airflow to achieve a blowing function; The heater (22) is used to heat the air and provide hot air output.

3. The device according to claim 2, characterized in that The device further comprises a rectifier (5), which is connected to the wind wheel (21) and is used to convert alternating current into direct current for supplying to the wind wheel (21).

4. The device according to claim 1, characterized in that The processor (1) comprises an unexpected power-off judgment module; The accidental power-off judgment module is used to generate the accidental power-off identifier in response to the event that the functional component module (2) is in a non-working state and the gear switch (4) is in a closed state.

5. The device according to claim 1, characterized in that The gear switch (4) includes a plurality of gears, each used to enable the functional component module (2) to implement a different working mode.

6. The device according to claim 1, characterized in that The device further comprises a prompting module, which is connected to the processor (1) and is used to prompt the user to place the gear switch (4) in an off state.

7. The device according to claim 6, characterized in that The prompt module includes an indicator light and / or a voice module; The indicator light is used to prompt the user to put the gear switch (4) into the off state by flashing the light; The voice module is used to prompt the user to place the gear switch (4) in an off state through voice.

8. The device according to claim 1, characterized in that The power-off switch (3) is any one of an electromagnetic relay, a solid-state relay, and a mechanical switch.

9. A device, characterized in that The device comprises the power-off protection device according to any one of claims 1 to 8.

10. The device according to claim 9, characterized in that The device is a hair dryer.

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