High-power hair care appliance

By setting up multiple heating wires in parallel to the rectifier diodes, the power of hair care equipment is improved, the problem of EMC testing limitations is solved, and an efficient and fast user experience is achieved.

CN223232291UActive Publication Date: 2025-08-19LISHUI YOUKUODA ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202422325984.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-08-19
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

The existing hair care appliances cannot use high power due to electromagnetic compatibility (EMC) testing requirements, which makes it impossible to meet the users' efficient and fast needs.

Method used

A high-power hair care device is designed, and the first heating wire, the second heating wire and the third heating wire are arranged in parallel, and the third heating wire and the rectifier diode are connected in parallel, with a rated power of no less than 2700W. The third heating wire provides heating power of less than 550W in the detection circuit.

Benefits of technology

The power of hair care equipment is increased to at least 3000W, meeting the user's efficient and fast needs, and at the same time, the alternating current is filtered out through rectifier diodes to meet the EMC testing requirements.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-power hair care appliance. The high-power hair care appliance comprises a shell and a heating device used for heating air flow. The rated power of the hair care appliance is not less than 2700W; the heating device comprises an insulating bracket, and a first heating wire, a second heating wire and a third heating wire which are wound on the insulating bracket in parallel; the first heating wire, the second heating wire and the third heating wire are mutually connected in parallel; and moreover, the rated power of the third heating wire is configured to be less than 1100W, and the third heating wire is connected in series with a rectifier diode, so that the heating power is less than 550W in a detection loop in which both the first heating wire and the second heating wire are turned off and only the third heating wire provides the heating power. Compared with the prior art, according to the scheme, the first heating wire, the second heating wire and the third heating wire are mutually configured to be connected in parallel, the power of the hair care appliance is at least 3000 w, and the efficient and rapid requirements of a user can be met.
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Description

Technical Field

[0001] The present application relates to the field of hair styling, and in particular to a high-power hair care appliance. Background Art

[0002] Hair care appliances such as hair dryers and electric combs are household electrical appliances, mainly used to dry hair and fur; they are widely used in homes, beauty salons or bath centers, and are also installed in pet shops to dry pet fur after washing.

[0003] Electromagnetic compatibility (EMC) testing of hair care appliances is crucial for ensuring they function properly in complex electromagnetic environments without causing adverse electromagnetic interference to the surrounding environment. To ensure EMC testing, hair care appliances cannot operate at high power, thus failing to meet the user's demands for efficiency and speed. Utility Model Content

[0004] In order to solve the above problems, the present application provides a high-power hair care appliance, the rated power of which is not less than 2700W.

[0005] The present application provides a high-power hair care appliance, which comprises a housing and a heating device for heating an air flow;

[0006] The rated power of the hair care appliance is not less than 2700W;

[0007] The heating device comprises:

[0008] Insulation brackets; and

[0009] a first heating wire, a second heating wire and a third heating wire wound in parallel on the insulating support;

[0010] In which, the first heating wire, the second heating wire and the third heating wire are configured to be connected in parallel with each other; and the rated power of the third heating wire is configured to be less than 1100W, and the third heating wire is connected in series with a rectifier diode, so that in a detection circuit in which the first heating wire and the second heating wire are both turned off and only the third heating wire provides heating power, the heating power is less than 550W.

[0011] Several optional methods are also provided below, but they are not intended to be additional limitations on the above-mentioned overall solution. They are merely further supplements or optimizations. Under the premise that there are no technical or logical contradictions, each optional method can be combined separately for the above-mentioned overall solution, or multiple optional methods can be combined.

[0012] Optionally, the rated power of the hair care appliance is not less than 3000w.

[0013] Optionally, the rated power of the hair care appliance is not less than 3300w.

[0014] Optionally, the rated power of the first heating wire and the second heating wire is not less than 700w.

[0015] Optionally, the rated power of the first heating wire and the second heating wire is both 900W.

[0016] Optionally, the rated power of the first heating wire and the second heating wire are both 1100w.

[0017] Optionally, the rated power of the third heating wire is 900w.

[0018] Optionally, the heating device further includes:

[0019] a first switch having a first connection terminal, a second connection terminal, and a third connection terminal, wherein the third connection terminal can be connected to a power source; and

[0020] a second switch having a fourth connection terminal, a fifth connection terminal, and a sixth connection terminal, wherein the third connection terminal can be connected to a power source;

[0021] Among them, the two ends of the first heating wire are respectively connected to the first connection end and the fourth connection end, the two ends of the second heating wire are respectively connected to the first connection end and the fourth connection end, the two ends of the third heating wire are respectively connected to the second connection end and the fifth connection end, the positive end of the rectifier diode is connected to the second connection end, and the negative end is connected to the first connection end.

[0022] Optionally, the heating device further includes:

[0023] a fan capable of generating an airflow, wherein the first connection terminal of the fan is connected to the second connection terminal;

[0024] a third switch, wherein a first connection terminal of the third switch is connected to the sixth connection terminal; and

[0025] A fourth switch, wherein a first terminal of the fourth switch is respectively connected to the second terminal of the third switch and the second terminal of the wind turbine, and a second terminal of the fourth switch can be connected to a power source.

[0026] Optionally, the hair care appliance further comprises at least one circuit:

[0027] In the cold air circuit, only the fan is working;

[0028] In the high-temperature circuit, the first heating wire, the second heating wire, the third heating wire, and the fan all operate at full power;

[0029] In a first medium-temperature circuit, the first heating wire, the second heating wire, and the fan all operate at full power, and the third heating wire operates at half power;

[0030] In the second medium temperature circuit, the first heating wire, the second heating wire and the fan all operate at full power; and

[0031] In the low-temperature circuit, the third heating wire and the motor both operate at full power.

[0032] The present application provides a high-power hair care appliance. By arranging a first heating wire, a second heating wire and a third heating wire in parallel, the power of the hair care appliance is not less than 2700W, which can meet the user's needs for high efficiency and speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a schematic structural diagram of a high-power hair care appliance according to an embodiment of the present application;

[0034] Figure 2 for Figure 1 Schematic diagram of the exploded structure of the middle case and movement;

[0035] Figure 3 for Figure 2 a cross-sectional view of the middle shell;

[0036] Figure 4 for Figure 2 Schematic diagram of the structure of the middle movement;

[0037] Figure 5 for Figure 4 Schematic diagram of the structure of the middle insulation bracket;

[0038] Figure 6 This is a circuit diagram of the hair care appliance in this application.

[0039] The reference numerals in the figures are described as follows:

[0040] 100. Hair care appliances;

[0041] 10. Housing; 11. Air duct; 111. Air chamber; 12. Handle;

[0042] 20. Heating device; 21. Insulating bracket; 211. Support plate; 212. Groove; 22. First heating wire; 23. Second heating wire; 24. Third heating wire; 241. Rectifier diode; 25. First switch; 251. First connection terminal; 252. Second connection terminal; 253. Third connection terminal; 26. Second switch; 261. Fourth connection terminal; 262. Fifth connection terminal; 263. Sixth connection terminal; 27. Third switch; 271. Fourth switch; 28. Fan; 281. Motor; 282. Fan; 29. Resistor; 291. Capacitor;

[0043] 30. Power supply; 31. Live wire terminal; 32. Neutral wire terminal. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0045] It should be noted that when a component is referred to as being "connected" to another component, it may be directly connected to the other component or there may be an intermediate component. When a component is referred to as being "disposed on" another component, it may be directly disposed on the other component or there may be an intermediate component.

[0046] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application pertains. The terms used herein in the specification of this application are for the purpose of describing specific embodiments only and are not intended to limit this application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0047] like Figures 1 to 6As shown, the present application provides a high-power hair care device 100, which includes a housing 10 and a heating device 20 for heating an air flow. The hair care device 100 has a rated power of not less than 2700W. The heating device 20 includes an insulating bracket 21 and a first heating wire 22, a second heating wire 23, and a third heating wire 24 wound in parallel around the insulating bracket 21. The first heating wire 22, the second heating wire 23, and the third heating wire 24 are connected in parallel. The rated power of the third heating wire 24 is configured to be less than 1100W. A rectifier diode 241 is connected in series with the third heating wire 24, so that in a detection loop in which the first heating wire 22 and the second heating wire 23 are both turned off and only the third heating wire 24 provides heating power, the heating power is less than 550W.

[0048] By arranging the first, second, and third heating wires 22, 23, and 24 in parallel, the power of the hair care device 100 can be increased to at least 3000W, meeting the user's needs for efficiency and speed. Furthermore, the third heating wire 24 in the detection circuit is connected in series with a rectifier diode 241. This utilizes the diode's ability to filter out half the AC cycle, reducing the power of the third heating wire 24 by half to meet product testing requirements.

[0049] In this embodiment, if Figures 1 to 2 As shown, the hair care appliance 100 can be a hair dryer, electric comb, or the like. The hair care appliance 100 has a hot air function and is widely used in homes, beauty salons, and bathing centers for drying hair. It is also used in pet shops to dry pets' fur. The rated power of the hair care appliance 100 is no less than 3000W. The rated power of the hair care appliance 100 is no less than 3300W.

[0050] In this embodiment, if Figures 1 to 3 As shown, the specific structure of the housing 10 is not strictly limited; the specific structure of the housing 10 can be adjusted according to the structure of the hair care appliance 100 and will not be further elaborated here. For example, the housing 10 includes a hair dryer 11 and a handle 12; the hair dryer 11 has a penetrating air cavity 111, and the heating device 20 is assembled in the air cavity 111 in the hair dryer 11; the handle 12 is located on the outside of the hair dryer 11 for the user to hold.

[0051] In this embodiment, if Figure 2 、 Figure 4 and Figure 5As shown, the insulating bracket 21 may be a mica insulating bracket 21. The insulating bracket 21 comprises three radially diverging support plates 211, with the angle between adjacent support plates 211 being 120 degrees. The outer surface of the insulating bracket 21 is coated with a tourmaline coating. When the heating device 20 is located within the air cavity 111, the insulating bracket 21 can be secured to the air duct 11 by means of clips, screws, adhesive bonding, or welding.

[0052] In this embodiment, if Figure 4 and Figure 6 As shown, the rated power of the first heating wire 22 and the second heating wire 23 are both not less than 700W. Preferably, the rated power of the first heating wire 22 and the second heating wire 23 are both 900W; or, the rated power of the first heating wire 22 and the second heating wire 23 are both 1100W. The rated power of the third heating wire 24 is 900W; in the detection circuit, the power of the third heating wire 24 is 450W. The support plate 211 has a plurality of fixed grooves 212; the first heating wire 22, the second heating wire 23 and the third heating wire 24 are respectively inserted into the grooves 212 to fix the first heating wire 22, the second heating wire 23 and the third heating wire on the insulation.

[0053] In this embodiment, if Figure 6 As shown, the heating device 20 also includes a first switch 25 and a second switch 26. The first switch 25 has a first connection terminal 251, a second connection terminal 252, and a third connection terminal 253. The third connection terminal 253 can be connected to the power supply 30. The second switch 26 has a fourth connection terminal 261, a fifth connection terminal 262, and a sixth connection terminal 263. The third connection terminal 253 can be connected to the power supply 30. The first heating wire 22 has two ends connected to the first connection terminal 251 and the fourth connection terminal 261, respectively. The second heating wire 23 has two ends connected to the first connection terminal 251 and the fourth connection terminal 261, respectively. The third heating wire 24 has two ends connected to the second connection terminal 252 and the fifth connection terminal 262, respectively. The positive terminal of the rectifier diode 241 is connected to the second connection terminal 252, and the negative terminal is connected to the first connection terminal 251. The settings of the first switch 25 and the second switch 26 can select the first heating wire 22, the second heating wire 23, and the third heating wire 24 to operate according to actual needs. The third connection terminal 253 can be connected to the live wire terminal 31 of the power source 30 ; the sixth connection terminal 263 can be connected to the neutral wire terminal 32 of the power source 30 .

[0054] When the first connection end 251 and the third connection end 253 in the first switch 25 are closed and the second connection end 252 and the third connection end 253 are disconnected, the power of the third heating wire 24 is half of the rated power; when the first connection end 251 and the third connection end 253 in the first switch 25 are disconnected and the second connection end 252 and the third connection end 253 are closed, the power of the third heating wire 24 is the rated power.

[0055] In this embodiment, if Figure 2 、 Figure 4 as well as Figure 6 As shown, the heating device 20 further includes a fan 28, a third switch 27, and a fourth switch 271. The fan 28 is capable of generating airflow, and a first terminal of the fan 28 is connected to the second connection terminal 252; a first terminal of the third switch 27 is connected to the sixth connection terminal 263; and a fourth switch 271. The first terminal of the fourth switch 271 is connected to the second terminal of the third switch 27 and the second terminal of the fan 28, respectively, and the second terminal of the fourth switch 271 is capable of being connected to the power source 30. The third switch 27 is capable of controlling the on / off of the first heating wire 22, the second heating wire 23, and the third heating wire 24; and the fourth switch 271 is capable of controlling the on / off of the entire heating device 20.

[0056] In this embodiment, if Figure 2 、 Figure 4 as well as Figure 6 As shown, the blower 28 includes a motor 281 and a fan 282 ; the motor 281 can drive the fan 282 to generate airflow in the housing 10 . The motor 281 is mounted on the insulating bracket 21 , and the output shaft of the motor 281 is connected to the fan 282 .

[0057] In this embodiment, if Figure 6 As shown, the heating device 20 further includes a resistor 29 and a capacitor 291 . One end of the resistor 29 can be connected to the live wire terminal 31 of the power supply 30 , and the other end can be connected to the neutral wire terminal 32 of the power supply 30 . The capacitor 291 is connected in parallel with the resistor 29 .

[0058] In this embodiment, if Figure 6 As shown, the hair care appliance 100 further includes at least one circuit:

[0059] In the cold air circuit, only the fan 28 is working;

[0060] In the high-temperature circuit, the first heating wire 22, the second heating wire 23, the third heating wire 24 and the fan 28 all operate at full power;

[0061] In the first medium-temperature circuit, the first heating wire 22, the second heating wire 23 and the fan 28 all operate at full power, and the third heating wire 24 operates at half power;

[0062] In the second medium temperature circuit, the first heating wire 22, the second heating wire 23 and the fan 28 all operate at full power; and

[0063] In the low-temperature circuit, the third heating wire 24 and the motor 281 both operate at full power.

[0064] For example, the rated power of the first heating wire 22, the second heating wire 23, and the third heating wire 24 are all 900W:

[0065] In the cold air circuit, the third switch 27 is opened, the fourth switch 271 is closed, and only the fan 28 is working; at this time, the hair care appliance 100 outputs cold air.

[0066] In the high-temperature circuit, the second switch 26, the third switch 27, and the fourth switch 271 are all closed, the third connection terminal 253 and the second connection terminal 252 of the first switch 25 are closed, and the first heating wire 22, the second heating wire 23, the third heating wire 24, and the fan 28 are in operation. At this time, the total power of the first heating wire 22, the second heating wire 23, and the third heating wire 24 is 2700W, and the hair care device 100 outputs high-temperature hot air.

[0067] In the first medium-temperature circuit, the second switch 26, the third switch 27, and the fourth switch 271 are all closed, the third connection end 253 of the first switch 25 is closed to the first connection end 251, and the first heating wire 22, the second heating wire 23, the third heating wire 24, and the fan 28 are in operation. At this time, the power of the third heating wire 24 is half of the rated power, and the total power of the first heating wire 22, the second heating wire 23, and the third heating wire 24 is 2250W. The hair care appliance 100 outputs medium-temperature hot air.

[0068] In the second medium-temperature circuit, the sixth connection terminal 263 of the second switch 26 is closed to the fourth connection terminal 261, the third switch 27 is closed, the fourth switch 271 is closed, and the third connection terminal 253 of the first switch 25 is closed to the first connection terminal 251 or the second connection terminal 252, and the first heating wire 22, the second heating wire 23 and the fan 28 are in operation; at this time, the total power of the first heating wire 22 and the second heating wire 23 is 1800W, and the hair care device 100 outputs medium-temperature hot air.

[0069] In the low-temperature circuit, the sixth connection terminal 263 and the fifth connection terminal 262 of the second switch 26 are closed, the third switch 27 is closed, the fourth switch 271 is closed, and the third connection terminal 253 and the second connection terminal 252 of the first switch 25 are closed. The third heating wire 24 and the fan 28 are in operation. At this time, the power of the third heating wire 24 is 900W, and the hair care appliance 100 outputs low-temperature hot air.

[0070] In the detection circuit, the sixth connection terminal 263 of the second switch 26 is closed to the fifth connection terminal 262, the third switch 27 is closed, the fourth switch 271 is closed, and the third connection terminal 253 of the first switch 25 is closed to the first connection terminal 251, and the third heating wire 24 and the fan 28 are in operation. At this time, the power of the third heating wire 24 is half of the rated power, that is, the power of the third heating wire 24 is 450W, and the hair care device 100 outputs low-temperature hot air.

[0071] The technical features of the above embodiments may be combined in any manner. To simplify the description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there are no conflicts in the combination of these technical features, they should be considered to be within the scope of this specification. When technical features in different embodiments are reflected in the same figure, it can be regarded as that figure also discloses the combination examples of the various embodiments involved.

[0072] The above embodiments merely illustrate several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person skilled in the art could make numerous variations and improvements without departing from the spirit of the present application, all of which fall within the scope of protection of the present application.

Claims

1. A high-power hair care appliance comprising a housing and a heating device for heating an air flow; characterized in that: The rated power of the hair care appliance is not less than 2700W; The heating device comprises: Insulation brackets; and a first heating wire, a second heating wire and a third heating wire wound in parallel on the insulating support; In which, the first heating wire, the second heating wire and the third heating wire are configured to be connected in parallel with each other; and the rated power of the third heating wire is configured to be less than 1100W, and the third heating wire is connected in series with a rectifier diode, so that in a detection circuit in which the first heating wire and the second heating wire are both turned off and only the third heating wire provides heating power, the heating power is less than 550W.

2. A high-power hair care appliance according to claim 1, characterized in that: The rated power of the hair care appliance is not less than 3000w.

3. A high-power hair care appliance according to claim 1 or 2, characterized in that: The rated power of the hair care appliance is not less than 3300w.

4. A high-power hair care appliance according to claim 1, characterized in that: The rated power of the first heating wire and the second heating wire is not less than 700W.

5. A high-power hair care appliance according to claim 1, characterized in that: The rated power of the first heating wire and the second heating wire are both 900W.

6. A high-power hair care appliance according to claim 1, characterized in that: The rated power of the first heating wire and the second heating wire is both 1100W.

7. A high-power hair care appliance according to claim 1, characterized in that: The rated power of the third heating wire is 900W.

8. The high-power hair care appliance according to claim 1, characterized in that: The heating device further comprises: a first switch having a first connection terminal, a second connection terminal, and a third connection terminal, wherein the third connection terminal can be connected to a power source; and a second switch having a fourth connection terminal, a fifth connection terminal, and a sixth connection terminal, wherein the third connection terminal can be connected to a power source; Among them, the two ends of the first heating wire are respectively connected to the first connection end and the fourth connection end, the two ends of the second heating wire are respectively connected to the first connection end and the fourth connection end, the two ends of the third heating wire are respectively connected to the second connection end and the fifth connection end, the positive end of the rectifier diode is connected to the second connection end, and the negative end is connected to the first connection end.

9. A high-power hair care appliance according to claim 8, characterized in that: The heating device further comprises: a fan capable of generating an airflow, wherein the first connection terminal of the fan is connected to the second connection terminal; a third switch, wherein a first connection terminal of the third switch is connected to the sixth connection terminal; and A fourth switch, wherein a first terminal of the fourth switch is respectively connected to the second terminal of the third switch and the second terminal of the wind turbine, and a second terminal of the fourth switch can be connected to a power source.

10. A high-power hair care appliance according to claim 9, characterized in that: The hair care appliance further comprises at least one circuit: In the cold air circuit, only the fan is working; In the high-temperature circuit, the first heating wire, the second heating wire, the third heating wire, and the fan all operate at full power; In a first medium-temperature circuit, the first heating wire, the second heating wire, and the fan all operate at full power, and the third heating wire operates at half power; In the second medium temperature circuit, the first heating wire, the second heating wire and the fan all operate at full power; and In the low-temperature circuit, the third heating wire and the motor both operate at full power.