Hairdressing device integrated with heating body
The integrated heating element hairdressing device addresses the limitations of existing devices by switching between battery and wired power sources, providing portable and plug-and-play functionality with integrated charging capabilities.
Patent Information
- Application Number
- CN202420922694.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-04-30
AI Technical Summary
Existing hairdressing devices are either limited by long charging times for rechargeable models or require wired power connections, lacking portability and flexibility in use.
A hairdressing device with integrated heating elements and a control switch that allows switching between battery power and wired power sources, enabling portable or plug-and-play operation, and incorporating a charging management circuit for simultaneous use and charging.
Enables flexible use scenarios by allowing portable operation when battery power is available and plug-in use when charged, enhancing user convenience and versatility.
Smart Images

Figure CN222264629U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to hairdressing equipment, in particular to a hairdressing device with an integrated heating element. Background Art
[0002] Hairdressing equipment generally styles hair through electric heating, including rechargeable and plug-in types. Rechargeable hairdressing equipment can only be used after the battery is charged, while the plug-in type requires the power plug to be plugged into a power socket in real time. In actual application, when the battery is low, it must be used after the battery is charged, which has the defect of long waiting time. The plug-in type hairdressing equipment must rely on wired power and is not portable. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a hairdressing device with an integrated heating element, which has the characteristics of being portable and plug-and-play, in view of the deficiencies of the prior art.
[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions.
[0005] A hairdressing device with an integrated heating element, comprising a control unit, a battery BAT, a charging interface, a control switch, a first heating element MCH and a second heating element MCH1, wherein the power supply end of the battery BAT and the power supply end of the charging interface are respectively connected to the two first switch ends of the control switch, the first heating element MCH and the second heating element MCH1 are respectively connected between the two second switch ends of the control switch and the ground, the control end of the control switch is connected to the control unit, and a control signal is sent to the control switch by the control unit, and the control switch is used to connect the power supply end of the charging interface with the first heating element MCH or connect the power supply end of the battery BAT with the second heating element MCH1 according to the control signal.
[0006] Preferably, the first heating element MCH and the second heating element MCH1 are integrated into the same heat-conducting substrate.
[0007] Preferably, the control switch includes a MOS tube Q6, a MOS tube Q7 and a MOS tube Q10, the drain of the MOS tube Q6 is connected to the power supply end of the battery BAT, the drain of the MOS tube Q7 is connected to the second heating element MCH1, the source of the MOS tube Q6 and the source of the MOS tube Q7 are connected to each other and then connected to the drain of the MOS tube Q10 through a resistor R38 and a resistor R22 connected in series in sequence, the source of the MOS tube Q10 is grounded, the gate of the MOS tube Q10 is connected to the control unit, the drain of the MOS tube Q10 is connected to the gate of the MOS tube Q7 through a resistor R33, and the connection point between the resistor R38 and the resistor R22 is connected to the gate of the MOS tube Q6.
[0008] Preferably, the control switch includes a MOS tube Q11 and a MOS tube Q12, the source of the MOS tube Q11 is connected to the power supply end of the charging interface, the drain of the MOS tube Q11 is connected to the first heating element MCH, the gate of the MOS tube Q11 is connected to the drain of the MOS tube Q12 through a resistor R24, the source of the MOS tube Q12 is grounded, and the gate of the MOS tube Q12 is connected to the control unit.
[0009] Preferably, the control unit includes a single chip microcomputer U4 and its peripheral circuits.
[0010] Preferably, it comprises function buttons and a display component, and the function buttons and the display component are respectively connected to the control unit.
[0011] Preferably, the hair styling tool is a hair straightening comb.
[0012] In the hairdressing device with integrated heating element disclosed by the utility model, a control signal is sent to the control switch through the control unit, and the control signal may be a control signal representing the power supply of the battery or a control signal representing the power supply of the charging interface. According to different types of control signals, when a user needs to use the hairdressing device in a portable manner, the control switch connects the power supply end of the battery BAT with the second heating element MCH1 according to the control signal, thereby utilizing the power supply of the battery and achieving the effect of portable use. When the battery is insufficient, the utility model may also be directly plugged into a power source. At this time, the control switch connects the power supply end of the charging interface with the first heating element MCH according to the control signal, thereby achieving a plug-and-play effect. In addition, the utility model may also be provided with a charging management circuit, and when the user connects the charging interface to a power source, the function of charging while using the device may be realized. Based on the above principle, it can be seen that the utility model better meets the application requirements of multiple scenarios and improves many conveniences for the user's daily use. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 The utility model is a circuit block diagram of a hairdressing device with an integrated heating element.
[0014] Figure 2 This is the circuit schematic of the control unit.
[0015] Figure 3 This is the circuit diagram for controlling the switch.
[0016] Figure 4 Schematic diagram of the battery charging circuit.
[0017] Figure 5 Exploded view of a straight hair comb. DETAILED DESCRIPTION
[0018] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments.
[0019] The utility model discloses a hairdressing device with an integrated heating element, see Figure 1 , which includes a control unit 1, a battery BAT, a charging interface 2, a control switch 3, a first heating element MCH and a second heating element MCH1. The power supply end of the battery BAT and the power supply end of the charging interface 2 are respectively connected to the two first switch ends of the control switch 3, the first heating element MCH and the second heating element MCH1 are respectively connected between the two second switch ends of the control switch 3 and the ground, the control end of the control switch 3 is connected to the control unit 1, and a control signal is sent to the control switch 3 by the control unit 1. The control switch 3 is used to connect the power supply end of the charging interface 2 with the first heating element MCH or connect the power supply end of the battery BAT with the second heating element MCH1 according to the control signal.
[0020] In the above-mentioned device, a control signal is sent to the control switch 3 through the control unit 1. The control signal may be a control signal representing battery power supply or a control signal representing charging interface power supply. According to different control signal types, when a user needs to use the hairdressing device in a portable manner, the control switch 3 connects the power supply end of the battery BAT with the second heating element MCH1 according to the control signal, and uses the battery for power supply to achieve a portable use effect. When the battery power is insufficient, the utility model can also directly plug in the power supply. At this time, the control switch 3 connects the power supply end of the charging interface 2 with the first heating element MCH according to the control signal, and achieves a plug-and-play effect. In addition, the utility model can also be set as follows Figure 4 The charging circuit shown can also realize the function of charging while using when the user plugs the charging interface 2 into a power source. Based on the above principle, it can be seen that the utility model better meets the application needs of multiple scenarios and improves many conveniences for users' daily use.
[0021] In this embodiment, see Figure 1 and Figure 5 The control unit 1 and the control switch 3 are integrated on a PCB board 7 .
[0022] As a preferred embodiment, the first heating element MCH and the second heating element MCH1 are integrated into the same heat-conducting substrate 6. In the above structure, by integrating the first heating element MCH and the second heating element MCH1 into one heat-conducting substrate 6, heat distribution can be uniform, and when switching between heating elements, the temperature distribution of the heat-conducting substrate is not affected.
[0023] As a preferred method, see Figure 3 The control switch 3 includes a MOS tube Q6, a MOS tube Q7 and a MOS tube Q10. The drain of the MOS tube Q6 is connected to the power supply end of the battery BAT, the drain of the MOS tube Q7 is connected to the second heating element MCH1, the source of the MOS tube Q6 and the source of the MOS tube Q7 are connected to each other and then connected to the drain of the MOS tube Q10 through a resistor R38 and a resistor R22 connected in series, the source of the MOS tube Q10 is grounded, the gate of the MOS tube Q10 is connected to the control unit 1, the drain of the MOS tube Q10 is connected to the gate of the MOS tube Q7 through a resistor R33, and the connection point between the resistor R38 and the resistor R22 is connected to the gate of the MOS tube Q6.
[0024] In the above circuit, when the control unit 1 sends a high-level control signal representing battery power supply to the gate of the MOS tube Q10, the power supply end of the battery BAT can be connected to the second heating element MCH1, and the second heating element MCH1 can be used to generate heat to achieve portable hair styling.
[0025] On this basis, the control switch 3 includes a MOS tube Q11 and a MOS tube Q12, the source of the MOS tube Q11 is connected to the power supply end of the charging interface 2, the drain of the MOS tube Q11 is connected to the first heating element MCH, the gate of the MOS tube Q11 is connected to the drain of the MOS tube Q12 through a resistor R24, the source of the MOS tube Q12 is grounded, and the gate of the MOS tube Q12 is connected to the control unit 1.
[0026] In the above circuit, when the control unit 1 sends a high-level control signal representing the power supply of the charging interface to the gate of the MOS tube Q12, the power supply end of the charging interface 2 can be connected to the first heating element MCH, and the first heating element MCH is used to generate heat to achieve online hair styling. Figure 4The charging management circuit shown realizes the function of charging while using.
[0027] See also Figure 2 The control unit 1 includes a single chip microcomputer U4 and its peripheral circuits. The single chip microcomputer U4 can be of various types, such as a FT61F135-TRB-TSSOP20 type single chip microcomputer.
[0028] In order to conveniently observe the working status of the hairdressing device and implement corresponding operations, the present embodiment includes function buttons 4 and a display component 5 , and the function buttons 4 and the display component 5 are respectively connected to the control unit 1 .
[0029] As a preferred method, see Figure 5 The hairdressing device is a hair straightening comb. It includes a housing 8 and an aluminum comb head 9. The back of the aluminum comb head 9 is closely attached to the heat conductive substrate 6 to achieve heat conduction. Figure 5 The battery 10 is the storage battery BAT in the above embodiment, and an NTC temperature sensing element 11 is also provided adjacent to the heat conductive substrate 6, and the NTC temperature sensing element 11 is electrically connected to the control unit 1. However, in practical applications, it is not limited to this, and the hairdressing device can also be other types of hairdressing equipment besides a hair straightening comb.
[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions or improvements made within the technical scope of the present invention should be included in the scope of protection of the present invention.
Claims
1. A hairdressing device with an integrated heating element, characterized in that: The invention comprises a control unit (1), a storage battery BAT, a charging interface (2), a control switch (3), a first heating element MCH and a second heating element MCH1, wherein the power supply end of the storage battery BAT and the power supply end of the charging interface (2) are respectively connected to the two first switch ends of the control switch (3), the first heating element MCH and the second heating element MCH1 are respectively connected between the two second switch ends of the control switch (3) and the ground, the control end of the control switch (3) is connected to the control unit (1), and a control signal is sent to the control switch (3) by the control unit (1), and the control switch (3) is used to connect the power supply end of the charging interface (2) to the first heating element MCH or connect the power supply end of the storage battery BAT to the second heating element MCH1 according to the control signal.
2. The hairdressing device with integrated heating element as claimed in claim 1, characterized in that: The first heating element MCH and the second heating element MCH1 are integrated in the same heat-conducting substrate (6).
3. The hairdressing device with integrated heating element as claimed in claim 1, characterized in that: The control switch (3) comprises a MOS tube Q6, a MOS tube Q7 and a MOS tube Q10, the drain of the MOS tube Q6 is connected to the power supply end of the battery BAT, the drain of the MOS tube Q7 is connected to the second heating element MCH1, the source of the MOS tube Q6 and the source of the MOS tube Q7 are connected to each other and then connected to the drain of the MOS tube Q10 through a resistor R38 and a resistor R22 connected in series, the source of the MOS tube Q10 is grounded, the gate of the MOS tube Q10 is connected to the control unit (1), the drain of the MOS tube Q10 is connected to the gate of the MOS tube Q7 through a resistor R33, and the connection point between the resistor R38 and the resistor R22 is connected to the gate of the MOS tube Q6.
4. The hairdressing device with integrated heating element as claimed in claim 3, characterized in that: The control switch (3) comprises a MOS tube Q11 and a MOS tube Q12, wherein the source of the MOS tube Q11 is connected to the power supply end of the charging interface (2), the drain of the MOS tube Q11 is connected to the first heating element MCH, the gate of the MOS tube Q11 is connected to the drain of the MOS tube Q12 via a resistor R24, the source of the MOS tube Q12 is grounded, and the gate of the MOS tube Q12 is connected to the control unit (1).
5. The hairdressing device with integrated heating element as claimed in claim 1, characterized in that: The control unit (1) comprises a single chip microcomputer U4 and its peripheral circuits.
6. The hairdressing device with integrated heating element as claimed in claim 1, characterized in that: It comprises a function button (4) and a display component (5), wherein the function button (4) and the display component (5) are respectively connected to the control unit (1).
7. The hairdressing device with integrated heating element as claimed in claim 1, characterized in that: The hairdressing device is a hair straightening comb.