Electric heating body structure for hairdressing device

Abstract

The utility model relates to an electric heating body structure for a hairdressing device, which comprises an electric heating body arranged in a shell, and the electric heating body comprises a first end positioned at one end, a second end positioned at the other end and a third end positioned in the middle, a first electric heating body is formed between the first end of the electric heating body and the second end of the electric heating body, a second electric heating body is formed between the first end of the electric heating body and the third end of the electric heating body, and a first driving circuit used for supplying power to the first electric heating body is further arranged in the shell. The first driving circuit is used for supplying power to the first electric heating body, the second driving circuit is used for supplying power to the second electric heating body, an external power supply or a high-voltage power supply is electrically connected with the first driving circuit, a built-in power supply or a low-voltage power supply is electrically connected with the second driving circuit, and the external power supply or the high-voltage power supply and the built-in power supply or the low-voltage power supply are respectively and electrically connected with a voltage detection circuit and the MCU in sequence. The utility model has the characteristic of simple structure.

Description

Technical Field

[0001] The utility model relates to the field of hairdressing devices, in particular to an electric heating element structure used for hairdressing devices. Background Art

[0002] Chinese patent document publication number CN 110601327 A disclosed a hybrid energy hairdressing device on December 20, 2019, comprising: an AC / DC power supply, the AC / DC power supply being used to connect to AC power, so as to output AC power directly through an AC output terminal or convert AC power into another voltage and then output it through the AC output terminal, and convert AC power into low voltage and then output it through the low voltage DC / AC output terminal of the AC / DC power supply; a hairdressing device host, the hairdressing device host being provided with a rechargeable battery and a main circuit board, the main circuit board being provided with a line switching module, the rechargeable battery being used to connect to the low voltage DC / AC output terminal of the AC / DC power supply, so as to charge the rechargeable battery through the AC / DC power supply; the line switching module being connected to the rechargeable battery and the AC output terminal of the AC / DC power supply, respectively, so as to selectively output the AC power or the DC power outputted by the rechargeable battery; a heating device, the heating device being connected to the line switching module, so as to generate heat through the AC power or the DC power outputted by the rechargeable battery. The heating device includes: an AC heating wire, which is respectively connected to the AC power output terminal of the circuit switching module; and a DC heating wire, which is respectively connected to the DC power output terminal of the rechargeable battery of the circuit switching module. This hybrid hairdressing device uses two heating wires, the AC heating wire and the DC heating wire, which makes its structure complicated and needs to be improved. Utility Model Content

[0003] The utility model aims to provide an electric heating element structure for a hairdressing device with a simple structure, so as to overcome the shortcomings of the prior art.

[0004] An electric heating element structure for a hairdressing device designed for this purpose includes an electric heating element arranged in a shell, wherein the electric heating element includes a first end located at one end, a second end located at the other end, and a third end located in the middle, a first electric heating element is formed between the first end of the electric heating element and the second end of the electric heating element, and a second electric heating element is formed between the first end of the electric heating element and the third end of the electric heating element, a first driving circuit for supplying power to the first electric heating element, and a second driving circuit for supplying power to the second electric heating element are also provided in the shell, an external power supply or a high-voltage power supply is electrically connected to the first driving circuit, a built-in power supply or a low-voltage power supply is electrically connected to the second driving circuit, and the external power supply or the high-voltage power supply and the built-in power supply or the low-voltage power supply are electrically connected to a voltage detection circuit and an MCU in sequence respectively.

[0005] Furthermore, the MCU is electrically connected to the first driving circuit and the second driving circuit respectively through driving signals.

[0006] Furthermore, the common terminal of the external power supply or the high-voltage power supply is electrically connected to the first end of the electrothermal body.

[0007] Furthermore, the common terminal of the built-in power supply or the low-voltage power supply is electrically connected to the first end of the electrothermal body.

[0008] Furthermore, the electrothermal body is a heating film or a ceramic electrothermal body.

[0009] Between the first end and the second end of the electrothermal body in the present utility model, a first electrothermal body is formed; between the first end and the third end of the electrothermal body, a second electrothermal body is formed. A first driving circuit for supplying power to the first electrothermal body and a second driving circuit for supplying power to the second electrothermal body are further provided in the housing. The external power supply or the high-voltage power supply is electrically connected to the first driving circuit, and the built-in power supply or the low-voltage power supply is electrically connected to the second driving circuit. The external power supply or the high-voltage power supply and the built-in power supply or the low-voltage power supply are electrically connected to the voltage detection circuit and the MCU in sequence. The input power supply is detected and identified through the voltage detection circuit, and the detected and identified result is transmitted to the MCU. The MCU outputs driving signals to the first driving circuit or the second driving circuit according to the detected and identified result, so as to control the corresponding first electrothermal body or second electrothermal body to work. Moreover, the first electrothermal body and the second electrothermal body are the same electrothermal body. Therefore, the structure of the whole product is simplified and the control is precise.

[0010] In summary, the present utility model has the characteristics of simple structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic circuit connection diagram of the present utility model.

[0012] Figure 2 It is the first application example of the present utility model.

[0013] Figure 3 It is the second application example of the present utility model.

[0014] Figure 4 It is a schematic structural diagram of the electrothermal body in the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0016] See Figures 1 - 4, An electric heating element structure for a hair styling device, comprising an electric heating element disposed within a housing. The electric heating element includes a first end A at one end, a second end B at the other end, and a third end C in the middle. A first electric heating element is formed between the first end A and the second end B of the electric heating element, and a second electric heating element is formed between the first end A and the third end C of the electric heating element. The housing further is provided with a first drive circuit for supplying power to the first electric heating element and a second drive circuit for supplying power to the second electric heating element. An external power supply or a high-voltage power supply is electrically connected to the first drive circuit, and an internal power supply or a low-voltage power supply is electrically connected to the second drive circuit. The external power supply or high-voltage power supply and the internal power supply or low-voltage power supply are respectively electrically connected to a voltage detection circuit and an MCU in sequence.

[0017] The MCU is electrically connected to the first drive circuit and the second drive circuit respectively through drive signals.

[0018] During operation, first, the voltage detection circuit detects and identifies the input power supply, and transmits the detected and identified result to the MCU. The MCU outputs drive signals to the first drive circuit or the second drive circuit according to the detected and identified result, thereby controlling the corresponding first electric heating element or second electric heating element to operate.

[0019] The common terminal of the external power supply or high-voltage power supply is electrically connected to the first end A of the electric heating element.

[0020] The common terminal of the internal power supply or low-voltage power supply is electrically connected to the first end A of the electric heating element.

[0021] In this embodiment, the common terminal is the positive or negative pole of the power supply.

[0022] The electric heating element is a PI heating film or an MCH ceramic heating element.

[0023] See Figure 2 , which is the first application example of the external power supply and the internal power supply. Among them, the external power supply is a DC external power supply, and the internal power supply is a DC internal power supply.

[0024] In this embodiment, the DC internal power supply can adopt a lithium battery. The DC external power supply can adopt a 6V or 9V adapter power supply.

[0025] See Figure 3 , which is the second application example of the external power supply and the internal power supply. Among them, the external power supply is an AC external power supply, and the internal power supply is a DC internal power supply.

[0026] In this embodiment, the AC external power supply can adopt a 220V mains power supply.

[0027] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. The terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features.

[0028] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An electric heating element structure for a hair styling device, including an electric heating element disposed within a housing, characterized in that The electric heating element includes a first end (A) at one end, a second end (B) at the other end, and a third end (C) in the middle. A first electric heating element is formed between the first end (A) and the second end (B) of the electric heating element, and a second electric heating element is formed between the first end (A) and the third end (C) of the electric heating element. The housing is further provided with a first driving circuit for supplying power to the first electric heating element and a second driving circuit for supplying power to the second electric heating element. An external power supply or a high-voltage power supply is electrically connected to the first driving circuit, and an internal power supply or a low-voltage power supply is electrically connected to the second driving circuit. The external power supply or the high-voltage power supply and the internal power supply or the low-voltage power supply are respectively electrically connected to a voltage detection circuit and an MCU in sequence.

2. The electrothermal element structure for a hair styling device according to claim 1, characterized in that The MCU is electrically connected to the first driving circuit and the second driving circuit respectively through driving signals.

3. The electrothermal body structure for a hair styling device according to claim 1, characterized in that The common terminal of the external power supply or the high-voltage power supply is electrically connected to the first end (A) of the electric heating element.

4. The electrothermal element structure for a hair styling device according to claim 1, characterized in that The common terminal of the internal power supply or the low-voltage power supply is electrically connected to the first end (A) of the electric heating element.

5. The electrothermal body structure for a hair beauty device according to claim 1, characterized in that The electric heating element is a heating film or a ceramic heating element.

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