Toothbrush protective sleeve circuit, toothbrush protective sleeve device and toothbrush device

Abstract

The utility model provides a toothbrush protective sleeve circuit, a toothbrush protective sleeve device and a toothbrush device. The circuit comprises an air-drying sterilization control module, a sterilization module, an air-drying module, a charging module, a battery charging power supply module, a power management module and a power key module, the first output end of the power management module is connected with the power supply end of the air-drying sterilization control module, and the first output end and the second output end of the power management module are connected with the power supply end of the air-drying module; a trigger control end of the air-drying sterilization control module is connected with an output end of the power supply key module, a conduction control end is connected with a first control input end of the power supply management module, and a detection control end is connected with a second control input end of the power supply management module; the first output end of the air-drying sterilization control module is connected with the input end of the sterilization module, and the second output end is connected with the input end of the air-drying module; the sterilization module executes sterilization; and the air-drying module performs air-drying. Bacteria breeding is prevented, and healthy storage of the electric toothbrush is achieved.

Description

Technical Field

[0001] The present application relates to the field of electric toothbrushes, and more specifically, to a toothbrush protective cover circuit, a toothbrush protective cover device, and a toothbrush device. Background Art

[0002] Electric toothbrushes are generally stored in a relatively humid bathroom after use. Electric toothbrushes are easily contaminated by bacteria in a humid environment. Bacterial-contaminated electric toothbrushes may become the root cause of dental diseases and damage dental health.

[0003] Therefore, how to achieve healthy storage of electric toothbrushes to prevent bacterial growth caused by a humid storage environment is an urgent problem to be solved. Utility Model Content

[0004] The purpose of the present application is to provide a toothbrush protective cover circuit, a toothbrush protective cover device and a toothbrush device to address the practical problem that electric toothbrushes in the prior art are easily contaminated by bacteria in a humid environment.

[0005] To achieve the above purpose, the technical solution adopted in the embodiment of the present application is as follows:

[0006] In a first aspect, an embodiment of the present application provides a toothbrush protective cover circuit, including: an air-drying and sterilization control module, a sterilization module, an air-drying module, a charging module, a battery charging and power supply module, a power management module, and a power button module;

[0007] The input end of the charging module is used to access the power supply voltage, and the output end of the charging module is connected to the input end of the battery charging power supply module;

[0008] The output end of the battery charging power supply module is respectively connected to the voltage input end of the power management module and the power supply end of the power button module;

[0009] The first output end of the power management module is connected to the power supply end of the air-drying and sterilization control module, and the first output end and the second output end of the power management module are connected to the power supply end of the air-drying module;

[0010] The trigger control end of the air-drying and sterilizing control module is connected to the output end of the power button module, the conduction control end of the air-drying and sterilizing control module is connected to the first control input end of the power management module, and the detection control end of the air-drying and sterilizing control module is connected to the second control input end of the power management module;

[0011] The first output end of the air-drying and sterilizing control module is connected to the input end of the sterilizing module, and the second output end of the air-drying and sterilizing control module is connected to the input end of the air-drying module;

[0012] The air-drying sterilization control module is used to send a sterilization control signal to the sterilization module, and the sterilization module is used to perform sterilization under the action of the sterilization control signal; the air-drying sterilization control module is also used to send an air-drying control signal to the air-drying module, and the air-drying module is used to perform air-drying under the action of the air-drying control signal.

[0013] As an optional implementation, the sterilization module includes: at least one sterilization unit, each of the sterilization units includes an ultraviolet lamp, and the input end of each of the sterilization units is connected to the first output end of the air-drying sterilization control module.

[0014] As an optional implementation, each of the sterilization units further includes: a first resistor;

[0015] One end of the first resistor is connected to the first output end of the air-drying and sterilization control module, the other end of the first resistor is connected to one end of the ultraviolet lamp, and the other end of the ultraviolet lamp is grounded.

[0016] As an optional implementation, the air-drying module includes: a driving unit and an air-drying unit, wherein the air-drying unit includes a fan;

[0017] The input end of the driving unit is connected to the second output end of the air-drying and sterilization control module, and the output end of the driving unit is connected to the input end of the air-drying unit;

[0018] The driving unit is used to generate a driving signal under the action of the air-drying control signal, and send the driving signal to the air-drying unit, so as to drive the fan to rotate through the driving signal.

[0019] As an optional implementation, the driving unit includes: a driving chip;

[0020] The logic power supply pin and the switch pin of the driving chip are connected to the first output end of the power management module, the actual power supply pin of the driving chip is connected to the second output end of the power management module, the first driving input pin, the second driving input pin and the third driving input pin of the driving chip are respectively connected to the second output end of the air-drying and sterilization control module, and the first driving output pin and the second driving output pin of the driving chip are both connected to the input end of the air-drying unit.

[0021] As an optional implementation, the air-drying sterilization control module includes: a control chip;

[0022] Each power supply pin of the control chip is connected to the first output end of the power management module, the first control pin of the control chip is connected to the output end of the power button module, the first control pin of the control chip is also connected to the first control input end of the power management module, the second control pin of the control chip is connected to the second control input end of the power management module, the third control pin and the fourth control pin of the control chip are connected to the input end of the sterilization module, and the fifth control pin, the sixth control pin and the seventh control pin of the control chip are connected to the input end of the air-drying module.

[0023] As an optional implementation, the power management module includes: a conduction unit and a conversion unit;

[0024] The voltage input end of the conduction unit is connected to the output end of the battery charging and power supply module, the first control input end and the second control input end of the conduction unit are connected to the conduction control end and the detection control end of the air-drying and sterilization control module, and the third control input end of the conduction unit is connected to the output end of the charging module;

[0025] The output end of the conduction unit serves as the second output end of the power management module, and the output end of the conduction unit is connected to the input end of the conversion unit. The output end of the conversion unit serves as the first output end of the power management module. The conversion unit is used to convert the input voltage signal.

[0026] As an optional implementation, the battery charging and power supply module includes: a first capacitor, a second resistor and a conversion chip;

[0027] One end of the first capacitor is connected to the output end of the charging module and the power supply pin of the conversion chip respectively, and the other end of the first capacitor is grounded;

[0028] One end of the second resistor is connected to the control pin of the conversion chip, and the other end of the second resistor is grounded;

[0029] The output pin of the conversion chip is connected to the voltage input end of the power management module and the power supply end of the power button module.

[0030] In a second aspect, an embodiment of the present application provides a toothbrush protective cover device, comprising the toothbrush cover protection circuit described in the first aspect above.

[0031] In a third aspect, an embodiment of the present application provides a toothbrush device, comprising: a toothbrush and the toothbrush protective cover device described in the second aspect, wherein the toothbrush protective cover device is mounted on the toothbrush.

[0032] The beneficial effects of this application are:

[0033] The present application provides a toothbrush protective cover circuit, a toothbrush protective cover device and a toothbrush device, wherein an air-drying and sterilizing control module, a sterilizing module, an air-drying module, a charging module, a battery charging and power supply module, a power management module and a power button module are arranged in the toothbrush protective cover circuit. The trigger control end of the air-drying and sterilizing control module is connected to the output end of the power button module, and receives a trigger signal generated by touching the power button module when the toothbrush protective cover is put on. The first output end and the second output end of the air-drying and sterilizing control module are respectively connected to the sterilization module and the air-drying module, and control the sterilization module and the air-drying module to perform sterilization and air-drying. By touching the power button module to generate a trigger signal when the toothbrush protective cover is put on, the power button module sends the trigger signal to the air-drying and sterilizing control signal, and the air-drying and sterilizing control signal generates a sterilization control signal and an air-drying control signal according to the trigger signal, and controls the sterilization module and the air-drying module to perform sterilization and air-drying respectively, so as to achieve air-drying and sterilization of the electric toothbrush, solve the problem of healthy storage of the electric toothbrush, and prevent the growth of bacteria caused by the humid storage environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0035] Figure 1 A schematic diagram of the structure of a toothbrush protective cover circuit provided in an embodiment of the present application;

[0036] Figure 2 A circuit diagram of a sterilization module of a toothbrush protective cover circuit provided in an embodiment of the present application;

[0037] Figure 3 A circuit diagram of a sterilization unit of a sterilization module of a toothbrush protective cover circuit provided in an embodiment of the present application;

[0038] Figure 4 A circuit diagram of an air-drying module of a toothbrush protective cover circuit provided in an embodiment of the present application;

[0039] Figure 5 A circuit diagram of a drive unit of an air-drying module of a toothbrush protective cover circuit provided in an embodiment of the present application;

[0040] Figure 6 A circuit diagram of an air-drying and sterilizing control module of a toothbrush protective cover circuit provided in an embodiment of the present application;

[0041] Figure 7A circuit diagram of a power management module of a toothbrush protective cover circuit provided in an embodiment of the present application;

[0042] Figure 8 A circuit diagram of a battery charging power supply module of a toothbrush protective cover circuit provided in an embodiment of the present application;

[0043] Fig. 9 A circuit diagram of a charging module of a toothbrush protective cover circuit provided in an embodiment of the present application;

[0044] Fig.10 A circuit diagram of the power button module of the toothbrush protective cover circuit provided in an embodiment of the present application.

[0045] Figure markings: air-drying and sterilization control module: 11; sterilization module: 12; air-drying module: 13; charging module: 14; battery charging and power supply module 15; power management module: 16; power button module: 17; sterilization unit: 121; first ultraviolet lamp: D1; second ultraviolet lamp: D2; first current-limiting resistor: R1; second current-limiting resistor: R2; driving unit: 131; air-drying unit: 132; driving chip: U1; control chip: U2; conduction unit: 161; conversion unit: 162; first capacitor: C14; second resistor: R12; conversion chip: U4. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0047] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0048] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In the description of this application, the terms "first", "second", "third", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0049] In the description of this application, unless otherwise clearly specified and limited, the terms "disposed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0050] Electric toothbrushes stored in a humid environment after use are susceptible to bacterial contamination, and bacterially contaminated electric toothbrushes may damage dental health.

[0051] Based on the above problems, an embodiment of the present application provides a toothbrush protective cover circuit, including an air-drying and sterilization control module, a sterilization module, an air-drying module, a charging module, a battery charging power supply module, a power management module and a power button module. The charging module supplies power to the battery charging power supply module. The air-drying and sterilization control module is respectively connected to the sterilization module, the air-drying module, the power management module and the power button module. The air-drying and sterilization control module is used to control the sterilization module to sterilize and the air-drying module to air-dry when the toothbrush protective cover is put on and touches the power button in the power button module, so as to air-dry and sterilize the electric toothbrush and protect the user's dental health.

[0052] Figure 1 The schematic diagram of the structure of the toothbrush protective cover circuit provided in the embodiment of the present application is as follows: Figure 1 As shown, the toothbrush protective cover circuit includes an air-drying and sterilization control module 11, a sterilization module 12, an air-drying module 13, a charging module 14, a battery charging and power supply module 15, a power management module 16 and a power button module 17.

[0053] Optionally, refer to Figure 1 In the toothbrush protective cover circuit, the air-drying and sterilizing control module 11 is respectively connected to the sterilizing module 12, the air-drying module 13, the power management module 16 and the power button module 17. The power management module 16 is connected to the air-drying module 13 to supply power to the air-drying module 13. The charging module 14 supplies power to the battery charging and power supply module 15, and the battery charging and power supply module 15 supplies power to the power management module 16 and the power button module 17 respectively.

[0054] The input end of the charging module 14 is used to access the power supply voltage, and the output end of the charging module 14 is connected to the input end of the battery charging power supply module 15 .

[0055] Alternatively, if Figure 1As shown, the charging module 14 includes an input end and an output end. The input end of the charging module 14 is connected to the power supply VIN_5V for accessing the power supply voltage; the output end of the charging module 14 is connected to the input end of the battery charging power supply module 15 for supplying power to the battery charging power supply module 15.

[0056] The output end of the battery charging power supply module 15 is connected to the voltage input end of the power management module 16 and the power supply end of the power button module 17 respectively.

[0057] Optionally, continue to refer to Figure 1 The output end of the battery charging power supply module 15 is connected to the voltage input end of the power management module 16, for providing input voltage to the power management module 16. The output end of the battery charging power supply module 15 is also connected to the power supply end of the power button module 17, for supplying power to the power button module 17.

[0058] The first output end of the power management module 16 is connected to the power supply end of the air-drying and sterilization control module 11 , and the first output end and the second output end of the power management module 16 are connected to the power supply end of the air-drying module 13 .

[0059] Optionally, continue to refer to Figure 1 The power management module 16 includes two output terminals, namely a first output terminal and a second output terminal. The first output terminal of the power management module 16 is connected to the power supply terminal of the air-drying and sterilizing control module 11, and is used to supply power to the air-drying and sterilizing control module 11. The first output terminal and the second output terminal of the power management module 16 are both connected to the power supply terminal of the air-drying module 13, and are used to supply power to the air-drying module 13.

[0060] The trigger control end of the air-drying and sterilization control module 11 is connected to the output end of the power button module 17, the conduction control end of the air-drying and sterilization control module 11 is connected to the first control input end of the power management module 16, and the detection control end of the air-drying and sterilization control module 11 is connected to the second control input end of the power management module 16.

[0061] Optionally, continue to refer to Figure 1 The trigger control end of the air-drying and sterilizing control module 11 is connected to the output end of the power button module 17, and is used to receive the trigger signal generated by touching the power button module 17 when the toothbrush protective cover is put on. The conduction control end of the air-drying and sterilizing control module 11 is connected to the first control input end of the power management module 16, and is used to control the conduction and shutdown of the power management module 16, so as to control whether the power management module 16 can supply power to the air-drying module 13. The detection control end of the air-drying and sterilizing control module 11 is connected to the second control input end of the power management module 16, and is used to detect the voltage of the power management module 16. Among them, the trigger control end of the air-drying and sterilizing control module 11 and the conduction control end of the air-drying and sterilizing control module 11 are the same control end of the air-drying and sterilizing control module 11.

[0062] The first output end of the air-drying and sterilizing control module 11 is connected to the input end of the sterilizing module 12 , and the second output end of the air-drying and sterilizing control module 11 is connected to the input end of the air-drying module 13 .

[0063] The air-drying sterilization control module 11 is used to send a sterilization control signal to the sterilization module 12, and the sterilization module 12 is used to perform sterilization under the action of the sterilization control signal; the air-drying sterilization control module 11 is also used to send an air-drying control signal to the air-drying module 13, and the air-drying module 13 is used to perform air-drying under the action of the air-drying control signal.

[0064] Optionally, continue to refer to Figure 1 The first output end of the air-drying and sterilizing control module 11 is connected to the input end of the sterilizing module 12, which is used to supply power to the sterilizing module and send the sterilizing control signal generated under the action of the trigger signal to the sterilizing module 12, so that the sterilizing module 12 sterilizes the electric toothbrush under the action of the sterilizing control signal. The second output end of the air-drying and sterilizing control module 11 is connected to the air-drying module 13, and sends the air-drying control signal generated under the action of the trigger signal to the air-drying module 13, so that the air-drying module 13 air-dries the electric toothbrush under the action of the air-drying control signal, so as to achieve air-drying and sterilizing the electric toothbrush when the toothbrush protective cover is put on.

[0065] In this embodiment, an air-drying and sterilizing control module, a sterilizing module, an air-drying module, a charging module, a battery charging and power supply module, a power management module and a power button module are provided in the toothbrush protective cover circuit. The trigger control end of the air-drying and sterilizing control module is connected to the output end of the power button module, and receives a trigger signal generated by touching the power button module when the toothbrush protective cover is put on. The first output end and the second output end of the air-drying and sterilizing control module are respectively connected to the sterilization module and the air-drying module, and control the sterilization module and the air-drying module to perform sterilization and air-drying. By touching the power button module to generate a trigger signal when the toothbrush protective cover is put on, the power button module sends the trigger signal to the air-drying and sterilizing control signal, and the air-drying and sterilizing control signal generates a sterilization control signal and an air-drying control signal according to the trigger signal, and controls the sterilization module and the air-drying module to perform sterilization and air-drying respectively, so as to achieve air-drying and sterilization of the electric toothbrush, solve the problem of healthy storage of the electric toothbrush, and prevent the growth of bacteria caused by the humid storage environment.

[0066] Figure 2 The circuit diagram of the sterilization module of the toothbrush protective cover circuit provided in the embodiment of the present application is as follows: Figure 2 As shown, the sterilization module 12 includes: at least one sterilization unit 121 , each sterilization unit 121 includes an ultraviolet lamp, and the input end of each sterilization unit 121 is connected to the first output end of the air-drying sterilization control module 11 .

[0067] Optionally, the sterilization module 12 includes at least one sterilization unit 121, each of which includes an ultraviolet lamp. The present application does not limit the number of sterilization units 121. Figure 2 Taking the sterilization module 12 including two sterilization units 121 as an example, one sterilization unit 121 includes a first ultraviolet lamp D1, one end of the first ultraviolet lamp D1 is connected to the first output end PB0 of the air-drying sterilization control module 11 as the input end of the sterilization unit 121, and is used to receive the electric energy transmitted by the air-drying sterilization control module 11 and the sterilization control signal sent by the air-drying sterilization control module 11, and the other end of the first ultraviolet lamp D1 is grounded.

[0068] Correspondingly, another sterilization unit 121 includes a second ultraviolet lamp D2, one end of the second ultraviolet lamp D2 is connected to the first output end PB1 of the air-drying sterilization control module 11 as the input end of the sterilization unit 121, and is used to receive the electric energy transmitted by the air-drying sterilization control module 11 and the sterilization control signal sent by the air-drying sterilization control module 11, and the other end of the second ultraviolet lamp D2 is grounded.

[0069] in, Figure 2 PB0 and PB1 are both first output terminals of the air-drying sterilization control module 11. The ultraviolet lamp in the sterilization unit 121 is used to light up the ultraviolet lamp and emit ultraviolet rays for sterilization under the action of the sterilization control signal.

[0070] In this embodiment, at least one sterilization unit is arranged in the sterilization module, each sterilization unit includes an ultraviolet lamp, one end of the ultraviolet lamp is connected to the first output end of the air-drying sterilization control module as the input end of the sterilization unit, and the other end of the ultraviolet lamp is grounded. Under the action of the sterilization control signal sent by the air-drying sterilization control module, the ultraviolet lamp in the sterilization unit lights up and emits ultraviolet rays to sterilize and disinfect the electric toothbrush to prevent bacteria from breeding and contaminating the electric toothbrush.

[0071] Figure 3 The circuit diagram of the sterilization unit of the sterilization module of the toothbrush protective cover circuit provided in the embodiment of the present application is as follows: Figure 3 As shown, each sterilization unit 121 further includes: a first resistor.

[0072] One end of the first resistor is connected to the first output end of the air-drying and sterilization control module 11 , the other end of the first resistor is connected to one end of the ultraviolet lamp, and the other end of the ultraviolet lamp is grounded.

[0073] Optionally, each sterilization unit 121 further includes a first resistor, which is a current limiting resistor to reduce the current flowing through the ultraviolet lamp in the sterilization unit 121 to prevent damage to the ultraviolet lamp. The present application does not limit the number of sterilization units 121 and the first resistor.

[0074] Reference Figure 3 For example, the sterilization module 12 includes two sterilization units 121, and the first resistor includes a first current limiting resistor R1 and a second current limiting resistor R2, wherein the resistance of the first current limiting resistor R1 and the second current limiting resistor R2 can be 1K. One sterilization unit 121 includes a first ultraviolet lamp D1 and a first current limiting resistor R1, and the other sterilization unit 121 includes a second ultraviolet lamp D2 and a second current limiting resistor R2.

[0075] The first resistor in a sterilization unit 121 is a first current limiting resistor R1, and one end of the first current limiting resistor R1 is connected to the first output end PB0 of the air-drying sterilization control module 11 as the input end of the sterilization unit 121, and is used to receive the electric energy transmitted by the air-drying sterilization control module 11 and the sterilization control signal sent by the air-drying sterilization control module 11; the other end of the first current limiting resistor R1 is connected to one end of the first ultraviolet lamp D1, and the other end of the first ultraviolet lamp D1 is grounded, which is used to reduce the current flowing through the first ultraviolet lamp D1 in the sterilization unit 121 to prevent damage to the first ultraviolet lamp D1.

[0076] Correspondingly, the first resistor in another sterilization unit 121 is a second current limiting resistor R2, and one end of the second current limiting resistor R2 is connected to the first output end PB1 of the air-drying sterilization control module 11 as the input end of the sterilization unit 121, and is used to receive the electric energy transmitted by the air-drying sterilization control module 11 and the sterilization control signal sent by the air-drying sterilization control module 11; the other end of the second current limiting resistor R2 is connected to one end of the second ultraviolet lamp D2, and the other end of the second ultraviolet lamp D2 is grounded, which is used to reduce the current flowing through the second ultraviolet lamp D2 in the sterilization unit 121 to prevent damage to the second ultraviolet lamp D2.

[0077] in, Figure 3 PB0 and PB1 are both first output terminals of the air-drying sterilization control module 11. The ultraviolet lamp in the sterilization unit 121 is used to light up the ultraviolet lamp to emit ultraviolet rays for sterilization under the action of the sterilization control signal, and the first resistor in the sterilization unit 121 is a current limiting resistor, which is used to reduce the current flowing through the ultraviolet lamp in the sterilization unit 121 to prevent damage to the ultraviolet lamp.

[0078] In this embodiment, a first resistor is respectively provided in at least one sterilization unit of the sterilization module, one end of the first resistor is connected to the first output end of the air-drying sterilization control module as the input end of the sterilization unit, the other end of the first resistor is connected to one end of the ultraviolet lamp, and the other end of the ultraviolet lamp is grounded. The first resistor in the sterilization unit can reduce the current flowing through the ultraviolet lamp in the sterilization unit, prevent the ultraviolet lamp from being damaged, ensure that the ultraviolet lamp is lit and emits ultraviolet rays under the action of the sterilization control signal, sterilize and disinfect the electric toothbrush, and prevent the electric toothbrush from being contaminated by bacteria.

[0079] Figure 4 The circuit diagram of the air-drying module of the toothbrush protective cover circuit provided in the embodiment of the present application is as follows: Figure 4 As shown, the air-drying module 13 includes: a driving unit 131 and an air-drying unit 132, and the air-drying unit 132 includes a fan.

[0080] Optionally, the air-drying module 13 includes a driving unit 131 and an air-drying unit 132, wherein the air-drying unit 132 includes a fan, and the fan can be set on a motor, and the fan is driven to rotate by the motor. The present application does not limit the number of fans and motors in the air-drying unit 132.

[0081] The input end of the driving unit 131 serves as the input end of the air-drying unit 132 and is connected to the second output end of the air-drying and sterilization control module 11 . The output end of the driving unit 131 is connected to the input end of the air-drying unit 132 .

[0082] Optionally, refer to Figure 4 The input end of the driving unit 131 is connected to the second output end of the air-drying and sterilizing control module 11, and is used to receive the air-drying control signal sent by the air-drying and sterilizing control module 11. The air-drying control signal is generated by the air-drying and sterilizing control module 11 touching the trigger signal generated by the power button module 17 when the toothbrush protective cover is put on. The output end of the driving unit 131 is connected to the input end of the air-drying unit 132, and is used for signal transmission from the driving unit 131 to the air-drying unit 132.

[0083] The driving unit 131 is used to generate a driving signal under the action of the air-drying control signal, and send the driving signal to the air-drying unit 132 to drive the fan to rotate through the driving signal.

[0084] Optionally, the driving unit 131 generates a driving signal under the action of the air-drying control signal sent by the air-drying and sterilizing control module 11, and the driving signal can drive the motor to rotate. The generated driving signal is sent to the input end of the air-drying unit 132 through the output end of the driving unit 131, so that the air-drying unit 132 drives the motor to rotate according to the driving signal, and the motor drives the fan set on the motor to rotate to air-dry the electric toothbrush. Among them, the speed and direction of the fan on the motor can be set by the air-drying control signal sent by the air-drying and sterilizing control module 11.

[0085] In this embodiment, a driving unit and an air-drying unit are provided in the air-drying module, and the air-drying unit includes a fan provided on a motor. The input end of the driving unit is connected to the second output end of the air-drying and sterilizing control module as the input end of the air-drying unit, and receives the air-drying control signal sent by the air-drying and sterilizing control module. The output end of the driving unit sends the driving signal generated by the driving unit under the action of the air-drying control signal to the input end of the air-drying unit, so that the air-drying unit drives the motor to rotate under the action of the driving signal, and the motor drives the fan to rotate, thereby achieving air drying of the electric toothbrush and avoiding bacterial contamination of the electric toothbrush by the humid storage environment.

[0086] Figure 5 The circuit diagram of the drive unit of the air-drying module of the toothbrush protective cover circuit provided in the embodiment of the present application is as follows: Figure 5 As shown, the driving unit 131 includes: a driving chip U1.

[0087] The logic power supply pin and switch pin of the driving chip U1 are connected to the first output end of the power management module 16, the actual power supply pin of the driving chip U1 is connected to the second output end of the power management module 16, the first driving input pin, the second driving input pin and the third driving input pin of the driving chip U1 are respectively connected to the second output end of the air-drying and sterilization control module 11, and the first driving output pin and the second driving output pin of the driving chip U1 are both connected to the input end of the air-drying unit 132.

[0088] Optionally, refer to Figure 5The driving unit 131 includes a driving chip U1, and the logic power supply pin VCC of the driving chip U1 is connected to the first output terminal VCC_3V3 of the power management module 16. In order to make the driving chip U1 work normally, the switch pin STBY of the driving chip U1 needs to be set to a high level and connected to the first output terminal VCC_3V3 of the power management module 16. The actual power supply pin VM1 of the driving unit 131 is connected to the second output terminal VCCIN of the power management module 16, and the second output terminal VCCIN of the power management module 16 supplies power to the driving chip U1. Among them, the voltage of VCC_3V3 is 3.3 volts, and the voltage of VCCIN can be 5 volts. The first driving input pin AIN1, the second driving input pin A1N2 and the third driving input pin PWMA of the driving chip U1 are respectively connected to the pins PA4, PA5 and PA6 of the second output terminal of the air-drying and sterilization control module 11, so as to drive the chip U1 to receive the air-drying control signal sent by the second output terminal of the air-drying and sterilization control module 11, and set the speed and direction of the motor to generate a driving signal under the action of the air-drying control signal. The first drive output pin AO1 and the second drive output pin AO2 of the driving chip U1 are connected to the input end of the drying unit 132 through the wiring terminal, and are used to send the driving signal to the drying unit 132, so that the drying unit 132 drives the motor to rotate and drives the fan to rotate under the action of the driving signal to dry the electric toothbrush.

[0089] In this embodiment, a driving chip is provided in the driving unit, and the logic power supply pin and the switch pin of the driving chip are connected to the first output end of the power management module. The actual power supply pin of the driving unit is connected to the second output end of the power management module to supply power to the driving chip. The first driving input pin, the second driving input pin and the third driving input pin of the driving chip are respectively connected to the second output end of the air-drying and sterilization control module, receive the air-drying control signal sent by the air-drying and sterilization control module, and generate a driving signal under the action of the air-drying control signal. The first driving output pin and the second driving output pin of the driving chip are both connected to the input end of the air-drying unit, and the driving signal is sent to the air-drying unit, so that the air-drying unit drives the motor to rotate under the action of the driving signal to drive the fan to rotate, thereby achieving air drying of the electric toothbrush.

[0090] Figure 6 The circuit diagram of the air-drying and sterilizing control module of the toothbrush protective cover circuit provided in the embodiment of the present application is as follows: Figure 6 As shown, the air-drying and sterilization control module 11 includes: a control chip U2.

[0091] Each power supply pin of the control chip U2 is connected to the first output end of the power management module 16, the first control pin of the control chip U2 is connected to the output end of the power button module 17, the first control pin of the control chip U2 is also connected to the first control input end of the power management module 16, the second control pin of the control chip U2 is connected to the second control input end of the power management module 16, the third control pin and the fourth control pin of the control chip U2 are connected to the input end of the sterilization module 12, and the fifth control pin, the sixth control pin and the seventh control pin of the control chip U2 are connected to the input end of the air-drying module 13.

[0092] Optionally, refer to Figure 6 The air-drying and sterilizing control module 11 includes a control chip U2. The first power supply pin VBAT, the second power supply pin VDDA, the third power supply pin VDD_1, the fourth power supply pin VDD_2 and the fifth power supply pin VDD_3 of the control chip U2 are all connected to the first output terminal VCC_3V3 of the power management module 16, that is, the power management module 16 provides the voltage of VCC_3V3 for the control chip U2 in the air-drying and sterilizing control module 11. The first control pin PWR_KEY of the control chip U2 is used as the trigger control terminal of the air-drying and sterilizing control module 11, connected to the output terminal of the power button module 17, and is used to receive the trigger signal sent by the power button module 17 when the toothbrush protective cover is put on. The first control pin PWR_KEY of the control chip U2 is also used as the conduction control terminal of the air-drying and sterilizing control module 11, connected to the first control input terminal of the power management module 16, and is used to control the conduction and shutdown of the power management module 16. The second control pin PWR_LOCK of the control chip U2 is used as the detection control terminal of the air-drying and sterilization control module 11, connected to the second control input terminal of the power management module 16, and used to detect the voltage of the power management module 16. The third control pin PB0 and the fourth control pin PB1 of the control chip U2 are used as the first output terminal of the air-drying and sterilization control module 11, connected to the input terminal of the sterilization module 12, used to power the sterilization module 12, and send a sterilization control signal to the sterilization module 12, so that the sterilization module 12 performs sterilization under the action of the sterilization control signal. The fifth control pin PA4, the sixth control pin PA5 and the seventh control pin PA6 of the control chip U2 are used as the second output terminal of the air-drying and sterilization control module 11, connected to the input terminal of the air-drying module 13, and used to send an air-drying control signal to the air-drying module 13, so that the air-drying module 13 performs air-drying under the action of the air-drying control signal.

[0093] In this embodiment, the first output end of the power management module is respectively connected to each power supply pin of the control chip in the air-drying sterilization control module to supply power to the control chip. The first control pin of the control chip is connected to the output end of the power button module as the trigger control end of the air-drying sterilization control module to receive the trigger signal sent by the power button module. The first control pin of the control chip is also used as the conduction control end of the air-drying sterilization control module, connected to the first control input end of the power management module, and controls the conduction and shutdown of the power management module. The second control pin of the control chip is used as the detection control end of the air-drying sterilization control module, connected to the second control input end of the power management module, and detects the voltage of the power management module. The third control pin and the fourth control pin of the control chip are both used as the first output end of the air-drying sterilization control module, connected to the input end of the sterilization module, supply power to the sterilization module, and send a sterilization control signal to the sterilization module. The sterilization module performs sterilization under the action of the sterilization control signal. The fifth control pin, the sixth control pin and the seventh control pin of the control chip are all used as the second output end of the air-drying and sterilizing control module, connected to the input end of the air-drying module, and send an air-drying control signal to the air-drying module, and the air-drying module performs air-drying under the action of the air-drying control signal, so as to achieve air-drying and sterilizing of the electric toothbrush.

[0094] Figure 7 The circuit diagram of the power management module of the toothbrush protective cover circuit provided in the embodiment of the present application is as follows: Figure 7 As shown, the power management module 16 includes: a conducting unit 161 and a converting unit 162 .

[0095] Optionally, refer to Figure 7 , the conduction unit 161 in the power management module 16 is connected to the conversion unit 162. The conduction unit 161 is used to output a VCCIN voltage signal when conducting to power the driver chip U1 in the air-drying unit 132 in the air-drying module 13, and the conversion unit 162 is used to convert the VCCIN output by the conduction unit 161 into a VCC_3.3V voltage signal to provide logic power for the driver chip U1 in the air-drying unit 132 in the air-drying module 13 and power the control chip U2 in the air-drying and sterilization control module 11.

[0096] The voltage input end of the conduction unit 161 is connected to the output end of the battery charging power supply module 15, the first control input end and the second control input end of the conduction unit 161 are connected to the conduction control end and the detection control end of the air drying and sterilization control module 11, and the third control input end of the conduction unit 161 is connected to the output end of the charging module 14.

[0097] Optionally, the voltage input terminal of the conduction unit 161 in the power management module 16 is connected to the output terminal VBAT_FGMJ of the battery charging power supply module 15, and the battery charging power supply module 15 supplies power to the conduction unit 161 of the power management module 16. The first control input terminal of the conduction unit 161 is connected to the conduction control terminal of the air-drying and sterilization control module 11, that is, the PWR_KEY pin of the control chip U2. The second control input terminal of the conduction unit 161 is connected to the detection control terminal of the air-drying and sterilization control module 11, that is, the PWR_LOCK pin of the control chip U2. The third control input terminal of the conduction unit 161 is connected to the output terminal VCHANG of the charging module 14.

[0098] The output end of the conduction unit 161 serves as the second output end of the power management module 16, and the output end of the conduction unit 161 is connected to the input end of the conversion unit 162. The output end of the conversion unit 162 serves as the first output end of the power management module 16. The conversion unit 162 is used to convert the input voltage signal.

[0099] Optionally, the output end of the conduction unit 161, i.e., the second output end of the power management module 16, is connected to the input end of the conversion unit 162 of the power management module 16. When the conduction control end PWR_KEY of the air-drying and sterilization control module 11 is at a high level, the conduction unit 161 is turned on, and the output end of the conduction unit 161 outputs the voltage signal VCCIN. The input end of the conversion unit 162 is connected to the output end VCCIN of the conduction unit 161, and the output end of the conversion unit 162 serves as the first output end of the power management module 16, and outputs VCC_3.3V. The conversion unit 162 converts the input voltage signal VCCIN into the output voltage signal VCC_3.3V.

[0100] In this embodiment, a conduction unit and a conversion unit are provided in the power management module. When the conduction unit is turned on, a VCCIN voltage signal is output. The output end of the conduction unit serves as the second output end of the power management module to power the driver chip in the air-drying unit in the air-drying module, and the VCCIN voltage signal is sent to the input end of the conversion unit. The conversion unit converts the VCCIN output by the conduction unit into a voltage signal of VCC_3.3V. The output end of the conversion unit serves as the first output end of the power management module to provide logic power supply for the driver chip in the air-drying unit in the air-drying module and to power the control chip in the air-drying and sterilization control module. The normal operation of the air-drying module and the air-drying and sterilization control module is ensured.

[0101] Figure 8 The circuit diagram of the battery charging power supply module of the toothbrush protective cover circuit provided in the embodiment of the present application is as follows: Figure 8 As shown, the battery charging and power supply module 15 includes: a first capacitor C14, a second resistor R12 and a conversion chip U4.

[0102] One end of the first capacitor C14 is connected to the output end of the charging module 14 and the power supply pin of the conversion chip U4 respectively, and the other end of the first capacitor C4 is grounded.

[0103] Optionally, refer to Figure 8 , the battery charging power supply module 15 includes a first capacitor C14, a second resistor R12 and a conversion chip U4. The first capacitor C14 is a filter capacitor for anti-interference. The second resistor R12 is used to set the charging current. The conversion chip U4 is used to convert the input voltage signal VCHANG into the output voltage signal VBAT_FGMJ. One end of the first capacitor C14 is respectively connected to the output terminal VCHANG of the charging module 14 and the power supply pin VCC of the conversion chip U4, and the other end of the first capacitor C14 is grounded. The first capacitor C14 serves as a capacitor that shorts the AC signal to the ground, which can eliminate the AC noise appearing on the DC signal and filter out interference. Among them, the capacitance value of the first capacitor C14 can be 10uF.

[0104] One end of the second resistor R12 is connected to the control pin of the conversion chip U4, and the other end of the second resistor R12 is grounded.

[0105] Optionally, one end of the second resistor R12 is connected to the control pin PROG of the conversion chip U4, and the other end is grounded. The resistance of the second resistor R12 can be 10K. The control pin PROG of the conversion chip U4 is a charging current setting, charging current monitoring and shutdown pin. A second resistor R12 is connected between the pin and GND to set the charging current.

[0106] The output pin of the conversion chip U4 is connected to the voltage input terminal of the power management module 16 and the power supply terminal of the power button module 17 .

[0107] Optionally, the output pin BAT of the conversion chip U4 is connected to the voltage input terminal VBAT_FGMJ of the power management module 16 and the power supply terminal VBAT_FGMJ of the power button module 17. The conversion chip U4 converts the voltage signal VCHANG input by the input pin VCC into the voltage signal VBAT_FGMJ output by the output pin BAT.

[0108] In this embodiment, a first capacitor, a second resistor and a conversion chip are provided in the battery charging power supply module. One end of the first capacitor is respectively connected to the output end of the charging module and the power supply pin of the conversion chip, and the other end is grounded, which can eliminate the AC noise appearing on the DC signal and filter out interference. One end of the second resistor is connected to the control pin of the conversion chip, and the other end is grounded, so that the charging current can be set. The output pin of the conversion chip is connected to the voltage input end of the power management module and the power supply end of the power button module, and the conversion chip converts the voltage signal of the input pin into the voltage signal of the output pin. The voltage signal of the output pin supplies power to the power management module and the power button module.

[0109] Fig. 9 A circuit diagram of a charging module of a toothbrush protective cover circuit provided in an embodiment of the present application, Fig.10 The circuit diagram of the power button module of the toothbrush protective cover circuit provided in the embodiment of the present application, the connection relationship between the charging module 14 and the power button module 17 is not described in detail here. The charging module 14 is used to supply power to the battery charging power supply module 15, and the power button module 17 is used to trigger the button to generate a trigger signal when the toothbrush cover is put on, and send the trigger signal to the trigger control end of the air-drying and sterilization control module 1, so that the air-drying and sterilization control module 1 generates a sterilization control signal and an air-drying control signal according to the trigger signal, and controls the sterilization module to sterilize and the air-drying module to air-dry.

[0110] The present application also provides a toothbrush protective cover device, comprising the toothbrush protective cover circuit described in the aforementioned embodiment.

[0111] The present application also provides a toothbrush device, comprising a toothbrush and the toothbrush protective cover device described in the aforementioned embodiment, wherein the toothbrush protective cover device is mounted on the toothbrush.

[0112] The above are only specific implementation methods of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be covered by the protection scope of the present application.

Claims

1. A toothbrush protective cover circuit, characterized in that: include: Air drying and sterilization control module, sterilization module, air drying module, charging module, battery charging power supply module, power management module and power button module; The input end of the charging module is used to access the power supply voltage, and the output end of the charging module is connected to the input end of the battery charging power supply module; The output end of the battery charging power supply module is respectively connected to the voltage input end of the power management module and the power supply end of the power button module; The first output end of the power management module is connected to the power supply end of the air-drying and sterilization control module, and the first output end and the second output end of the power management module are connected to the power supply end of the air-drying module; The trigger control end of the air-drying and sterilizing control module is connected to the output end of the power button module, the conduction control end of the air-drying and sterilizing control module is connected to the first control input end of the power management module, and the detection control end of the air-drying and sterilizing control module is connected to the second control input end of the power management module; The first output end of the air-drying and sterilizing control module is connected to the input end of the sterilizing module, and the second output end of the air-drying and sterilizing control module is connected to the input end of the air-drying module; The air-drying sterilization control module is used to send a sterilization control signal to the sterilization module, and the sterilization module is used to perform sterilization under the action of the sterilization control signal; the air-drying sterilization control module is also used to send an air-drying control signal to the air-drying module, and the air-drying module is used to perform air-drying under the action of the air-drying control signal.

2. The toothbrush protective cover circuit according to claim 1, characterized in that: The sterilization module comprises: at least one sterilization unit, each of which comprises an ultraviolet lamp, and the input end of each of the sterilization units is connected to the first output end of the air-drying sterilization control module.

3. The toothbrush protective cover circuit according to claim 2, characterized in that: Each of the sterilization units further comprises: a first resistor; One end of the first resistor is connected to the first output end of the air-drying and sterilization control module, the other end of the first resistor is connected to one end of the ultraviolet lamp, and the other end of the ultraviolet lamp is grounded.

4. The toothbrush protective cover circuit according to claim 1, characterized in that: The air-drying module comprises: a driving unit and an air-drying unit, wherein the air-drying unit comprises a fan; The input end of the driving unit is connected to the second output end of the air-drying and sterilization control module, and the output end of the driving unit is connected to the input end of the air-drying unit; The driving unit is used to generate a driving signal under the action of the air-drying control signal, and send the driving signal to the air-drying unit, so as to drive the fan to rotate through the driving signal.

5. The toothbrush protective cover circuit according to claim 4, characterized in that: The driving unit comprises: a driving chip; The logic power supply pin and the switch pin of the driving chip are connected to the first output end of the power management module, the actual power supply pin of the driving chip is connected to the second output end of the power management module, the first driving input pin, the second driving input pin and the third driving input pin of the driving chip are respectively connected to the second output end of the air-drying and sterilization control module, and the first driving output pin and the second driving output pin of the driving chip are both connected to the input end of the air-drying unit.

6. The toothbrush protective cover circuit according to claim 1, characterized in that: The air-drying and sterilization control module comprises: a control chip; Each power supply pin of the control chip is connected to the first output end of the power management module, the first control pin of the control chip is connected to the output end of the power button module, the first control pin of the control chip is also connected to the first control input end of the power management module, the second control pin of the control chip is connected to the second control input end of the power management module, the third control pin and the fourth control pin of the control chip are connected to the input end of the sterilization module, and the fifth control pin, the sixth control pin and the seventh control pin of the control chip are connected to the input end of the air-drying module.

7. The toothbrush protective cover circuit according to claim 1, characterized in that: The power management module includes: a conduction unit and a conversion unit; The voltage input end of the conduction unit is connected to the output end of the battery charging and power supply module, the first control input end and the second control input end of the conduction unit are connected to the conduction control end and the detection control end of the air-drying and sterilization control module, and the third control input end of the conduction unit is connected to the output end of the charging module; The output end of the conduction unit serves as the second output end of the power management module, and the output end of the conduction unit is connected to the input end of the conversion unit. The output end of the conversion unit serves as the first output end of the power management module. The conversion unit is used to convert the input voltage signal.

8. The toothbrush protective cover circuit according to claim 1, characterized in that: The battery charging and power supply module comprises: a first capacitor, a second resistor and a conversion chip; One end of the first capacitor is connected to the output end of the charging module and the power supply pin of the conversion chip respectively, and the other end of the first capacitor is grounded; One end of the second resistor is connected to the control pin of the conversion chip, and the other end of the second resistor is grounded; The output pin of the conversion chip is connected to the voltage input end of the power management module and the power supply end of the power button module.

9. A toothbrush protective cover device, characterized in that: include: The toothbrush protective cover circuit according to any one of claims 1 to 8.

10. A toothbrush device, characterized in that: include: A toothbrush and a toothbrush protective cover device as claimed in claim 9, wherein the toothbrush protective cover device is sleeved on the toothbrush.

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