A hair straightener capable of automatically identifying dry and wet hair

Abstract

The present invention discloses a hair straightener that automatically identifies wet and dry hair, comprising: two heating plates, both of which have a heating surface, and the two heating surfaces cooperate with each other to clamp the hair and shape the hair; a conduction component, which is arranged in one of the heating plates and is used to detect the humidity of the hair; and a circuit control system, which controls the temperature of the two heating plates after receiving the humidity of the hair detected by the conduction component. The present invention can adjust the heating plate to a suitable temperature after detecting the humidity of the hair, so as to keep the hair care in the best state.

Description

Technical Field

[0001] The invention relates to the technical field of hair straighteners, and in particular to a hair straightener that automatically identifies dry and wet hair. Background Art

[0002] Traditional wet and dry hair straightening appliances include: a hair straightening appliance shell, a power cord plug, a heating structure, a steam exhaust heating plate and a switch operating system. The hair straightening appliance shell has a beautiful appearance and is easy to hold and operate. The power cord plug has safety requirements and is connected to a power source to provide power. The heating structure converts it into heat energy, a styling model, a steam exhaust heating plate to dissipate the steam generated by wet hair, and a switch operating system. Due to the different environments, consumer groups, and climates in which the products are used, the products need to be set to various temperatures so that the products can be suitable for different hair qualities and at the same time control the on and off of the power supply of the products.

[0003] The current problems of traditional wet and dry hair straighteners are as follows: as handheld products, traditional wet and dry hair straighteners have only the same working mode when caring for dry hair or wet hair. They work at the best state when pulling dry hair, but not in the ideal state when pulling wet hair. Good hair cannot be pulled out and the hair may be burned, and vice versa. Therefore, the function of the device cannot be fully utilized. Summary of the invention

[0004] In view of the above problems existing in the existing hair straighteners, the present invention aims to provide a hair straightener that can automatically identify wet and dry hair, and can adjust the heating plate to a suitable temperature after detecting the humidity of the hair, so as to keep the hair in the best condition.

[0005] The specific technical solutions are as follows:

[0006] A hair straightener capable of automatically identifying dry and wet hair, comprising:

[0007] Two heating plates, each of which has a heating surface, and the two heating surfaces cooperate with each other to clamp the hair and shape the hair;

[0008] A conduction component, the conduction component is arranged in one of the heating plates, and the conduction component is used to detect the humidity of the hair;

[0009] A circuit control system controls the temperature of the two heating plates after receiving the humidity of the hair detected by the conductive component.

[0010] In the above-mentioned automatic wet / dry hair straightener, the conductive component at least partially penetrates the heating surface of the heating plate, and the conductive component is in contact with the hair.

[0011] In the above-mentioned automatic wet and dry hair straightener, the heating surface of the heating plate is insulated.

[0012] The above-mentioned automatic wet and dry hair straightener, wherein the conduction component includes: at least one first metal member and at least one second metal member, the first metal member is isolated from the second metal member and the heating plate respectively, the second metal member is in contact with the heating plate, at least part of the first metal member and at least part of the second metal member are in contact with the hair respectively, the first metal member and the heating plate are electrically connected to the circuit control system respectively, and the circuit control system determines the humidity of the hair by detecting the resistance value between the first metal member and the second metal member, and controls the temperature of the two heating plates.

[0013] In the above-mentioned automatic wet and dry hair straightener, the conduction component further comprises: an insulating member, the insulating member is arranged in the heating plate, the insulating member is located between the first metal member and the second metal member, and the first metal member is isolated from the second metal member and the heating plate respectively by the insulating member.

[0014] The above-mentioned automatic dry and wet hair identification hair straightener further comprises: at least one temperature controller, and the temperature controller is electrically connected to the circuit control system.

[0015] The above-mentioned automatic identification of wet and dry hair straightener, wherein, further comprises: two brackets, the two brackets are respectively arranged in the two heating plates, the two brackets are respectively in contact with the two heating plates, and the bracket in one of the heating plates is electrically connected to the circuit control system.

[0016] In the above-mentioned automatic wet and dry hair straightener, after the circuit control system receives the humidity of the hair detected by the conductive component, it controls the temperature of the two heating plates in real time.

[0017] The above-mentioned automatic dry and wet hair identification hair straightener, wherein, further comprises: two heaters, the two heaters are respectively arranged in the two heating plates, and the heaters are in contact with the bracket and the heating plate.

[0018] The above-mentioned automatic wet and dry hair straightener further comprises: a wet and dry mode selection button, and the wet and dry mode selection button is electrically connected to the circuit control system.

[0019] Compared with the prior art, the above technical solution has the following positive effects:

[0020] When the user's hair is clamped between two heating plates, the first metal piece and the second metal piece are in contact with the hair respectively, and the second metal piece, the heating plate and the bracket are in contact to form a conductive path. The dryness or wetness of the hair will affect the resistance value formed by the heating plate and the first metal piece. The resistance value of the heating plate and the first metal piece is detected by the circuit control system to judge the moisture content of the hair accordingly. The present invention can detect the humidity of the hair and adjust the heating plate to a suitable temperature to ensure that the hair care is in the best state. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A cross-sectional view of the overall structure of a hair straightener capable of automatically identifying dry and wet hair in the width direction of the present invention;

[0022] Figure 2 The invention discloses a hair straightener which can automatically identify dry and wet hair. Figure 1 A partial exploded view of the

[0023] Figure 3 It is a cross-sectional view of the overall structure of a hair straightener capable of automatically identifying dry and wet hair in the length direction of the present invention;

[0024] Figure 4 The invention discloses a hair straightener which can automatically identify dry and wet hair. Figure 3 Middle partial enlarged picture;

[0025] Figure 5 This is a schematic diagram of the exploded structure of a hair straightener capable of automatically identifying dry and wet hair according to the present invention;

[0026] In the attached drawings: 1. heating plate; 2. conduction component; 3. circuit control system; 4. heating surface; 5. first metal part; 6. second metal part; 7. insulating part; 8. thermostat; 9. bracket; 10. heater; 11. dry and wet mode selection button; 12. accommodating space; 13. through groove; 14. baffle; 15. step; 21. handle; 22. handle cover; 23. insulation sleeve; 24. handle inner sleeve; 25. circulation temperature adjustment button; 26. power button; 27. floating compression spring; 28. light guide; 29. ​​sealing silicone; 30. pressure plate; 31. screw cover; 32. junction box; 33. locking ring; 34. power cord; 35. push cover; 36. push cover pressure plate; 37. decorative sheet. DETAILED DESCRIPTION

[0027] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0028] Figure 1 This is a cross-sectional view of the overall structure of a hair straightener that automatically identifies dry and wet hair according to the present invention in the width direction. Figure 2 The invention discloses a hair straightener which can automatically identify dry and wet hair. Figure 1A partial exploded view of Figure 3 This is a cross-sectional view of the overall structure of a hair straightener that automatically identifies dry and wet hair in the length direction of the present invention. Figure 4 The invention discloses a hair straightener which can automatically identify dry and wet hair. Figure 3 The enlarged partial picture, Figure 5 The schematic diagram of the decomposition structure of a hair straightener that automatically identifies dry and wet hair according to the present invention is as follows: Figures 1 to 5 As shown, a preferred embodiment of an automatic wet and dry hair straightener is shown, comprising: two heating plates 1, a conduction component 2 and a circuit control system 3, the two heating plates 1 each having a heating surface 4, the two heating surfaces 4 cooperate with each other to clamp the hair and shape the hair, the conduction component 2 is arranged in one heating plate 1, and the conduction component 2 is used to detect the humidity of the hair, and the circuit control system 3 controls the temperature of the two heating plates 1 after receiving the humidity of the hair detected by the conduction component 2.

[0029] Further, as a preferred embodiment, the conductive component 2 at least partially penetrates the heating surface 4 of the heating plate 1, and the conductive component 2 is in contact with the hair.

[0030] Furthermore, as a preferred embodiment, the heating surface 4 of the heating plate 1 is insulated.

[0031] Preferably, the heating surface of the heating plate 1 is non-conductive after being sprayed with ceramic paint.

[0032] Further, as a preferred embodiment, the conduction component 2 includes: at least one first metal member 5 and at least one second metal member 6, the first metal member 5 is isolated from the second metal member 6 and the heating plate 1, the second metal member 6 is in contact with the heating plate 1, at least part of the first metal member 5 and at least part of the second metal member 6 are in contact with the hair, the first metal member 5 and the heating plate 1 are electrically connected to the circuit control system 3, the circuit control system 3 determines the humidity of the hair by detecting the resistance between the first metal member 5 and the second metal member 6, and controls the temperature of the two heating plates 1.

[0033] Furthermore, as a preferred embodiment, the conductive component 2 also includes: an insulating member 7, the insulating member 7 is arranged in the heating plate 1, the insulating member 7 is located between the first metal member 5 and the second metal member 6, and the first metal member 5 is isolated from the second metal member 6 and the heating plate 1 respectively by the insulating member 7.

[0034] Preferably, the insulating member 7 is made of insulating plastic.

[0035] Furthermore, as a preferred embodiment, the hair straightener with automatic identification of dry and wet hair further comprises: at least one temperature controller 8, and the temperature controller 8 is electrically connected to the circuit control system 3. Preferably, the temperature controller 8 is insulated from the heating plate 1 to sense the temperature, and then feeds back the temperature signal to the circuit, and then the circuit control system 3 controls the temperature of the heater 10.

[0036] Preferably, the thermostat 8 is an NTC thermostat.

[0037] Furthermore, as a preferred embodiment, the hair straightener for automatically identifying wet and dry hair further comprises: two brackets 9, the two brackets 9 are respectively arranged in the two heating plates 1, the two brackets 9 are respectively in contact with the two heating plates 1, and the brackets 9 in the heating plate 1 are electrically connected to the circuit control system 3.

[0038] Furthermore, as a preferred embodiment, after receiving the humidity of the hair detected by the conductive component 2, the circuit control system 3 controls the temperature of the two heating plates 1 in real time.

[0039] Furthermore, as a preferred embodiment, the hair straightener with automatic identification of wet and dry hair further comprises: two heaters 10 , the two heaters 10 are respectively arranged in the two heating plates 1 , and the heaters 10 are in contact with the bracket 9 and the heating plate 1 .

[0040] Preferably, the heater 10 is a PTC heater.

[0041] Further, as a preferred embodiment, the hair straightener with automatic identification of wet and dry hair further comprises: a wet and dry mode selection button 11 , and the wet and dry mode selection button 11 is electrically connected to the circuit control system 3 .

[0042] Preferably, the insulating member 7 covers the first metal member 5 , and the second metal member 6 is located between the insulating member 7 and the heating plate 1 .

[0043] Preferably, the first metal member 5 is located inside the insulating member 7, a portion of the first metal member 5 passes through the insulating member 7, and a portion on the first metal member 5 and a portion on the second metal member 6 are in contact with the hair respectively.

[0044] Preferably, a side of the first metal member 5 close to the heating surface 4 and a side of the second metal member 6 close to the heating surface 4 are in contact with the hair respectively.

[0045] Preferably, the heating plate 1 has a accommodating space 12 therein, and the accommodating space 12 extends to the heating surface 4 of the heating plate 1 through a through groove 13. The second metal member 6, the insulating member 7 and the first metal member 5 are all arranged in the accommodating space 12, and the first metal member 5 and the second metal member 6 extend to the through groove 13.

[0046] Preferably, the first metal member 5 and the second metal member 6 are both arranged in a long strip shape and are both arranged along the length direction of the heating plate 1 .

[0047] Preferably, both ends of the first metal member 5 and both ends of the second metal member 6 have warped portions for easy installation.

[0048] Preferably, the cross-section of the first metal member 5 and the cross-section of the second metal member 6 are respectively in the shape of a circle, an ellipse, an arc, a square, a rectangle, etc. Preferably, the cross-section of the first metal member 5 is circular.

[0049] Preferably, the heating surfaces of the two heating plates 1 are arranged opposite to each other.

[0050] Preferably, the width of the through slot 13 is smaller than the width of the accommodating space 12 , and both the through slot 13 and the accommodating space 12 are arranged in a rectangular shape.

[0051] Preferably, the heating plate 1 has two blocking bars 14 on one side close to the heating surface 4 .

[0052] Preferably, the two blocking bars 14 are located on both sides of the through slot 13 .

[0053] Preferably, the number of the first metal member 5 is one, the number of the second metal members 6 is two, and the two metal members 6 are symmetrically located on both sides of the first metal member 5 .

[0054] Preferably, a step 15 is provided on one side of the second metal member 6 close to the heating surface 4 , and the steps 15 on the two second metal members 6 are respectively limitedly matched with the two blocking bars 14 .

[0055] Preferably, the insulating member 7 has two notches on one side close to the heating surface, and the two second metal members 6 are respectively disposed at the two notches.

[0056] Preferably, the side wall of each notch is inclined, the side wall of the second metal member 6 is inclined, and the two inclined surfaces are offset from each other, which can ensure the stability of the installation of the second metal member 6 and prevent the second metal member 6 from moving toward one side of the heating surface 4.

[0057] When the present invention is in use, the hair is clamped between the two heating plates 1. The dryness or wetness of the hair will affect the resistance value formed between the first metal member 5 and the second metal member 6. The resistance value of the first metal member 5 and the second metal member 6 is detected by the circuit control system 3 to determine the moisture content of the hair; that is, the resistance of the heating plate 1 and the first metal member 5 is compared with the corresponding value set internally to determine the relative humidity of the hair.

[0058] If the hair is relatively wet and easy to pull, then in this mode, the maximum temperature value is set to be lower, and the corresponding working power is low, so as to achieve the purpose of protecting the hair and straightening the hair; on the contrary, if the hair is relatively dry, the normal mode of dry hair is adopted, the maximum temperature value is higher, and the corresponding working power is normal. According to this relative ratio, the present invention is divided into 3 corresponding automatic identification working modes, the main method is to adjust the power and set the maximum working temperature internally, adapt to the relative dryness and wetness of the hair to effectively protect the hair, and automatically set the temperature according to the inspection of the corresponding resistance, that is, automatically adjust the appropriate perm temperature according to the humidity of the hair to achieve the purpose of protecting the hair, and the relative value is obtained according to the actual test value of the sampling.

[0059] The above are only preferred embodiments of the present invention, and are not intended to limit the implementation and protection scope of the present invention.

[0060] The present invention also has the following implementation modes based on the above:

[0061] In further embodiments of the present invention, please continue to refer to Figures 1 to 5 As shown, the circuit control system 3 includes: a circuit board.

[0062] Preferably, the heating surface 4 of the other heating plate 1 is also insulated.

[0063] In a further embodiment of the present invention, the automatic wet and dry hair straightener further comprises: two handles 21 and two handle covers 22, the two handle covers 22 being respectively mounted on the inner sides of the two handles 21, one handle cover 22 being located at the rear end of the inner side of one handle 21, one heating plate 1 being located at the front end of the inner side of the one handle 21, and the other heating plate 1 being located at the front end of the other handle cover 22.

[0064] Preferably, the hair straightener with automatic identification of wet and dry hair further comprises: two heat insulation sleeves 23 , and the heat insulation sleeves 23 are arranged between the heating plate 1 and the handle 21 .

[0065] Preferably, the hair straightener with automatic identification of wet and dry hair further comprises: a handle inner sleeve 24 , which is arranged between the handle 21 , the handle cover 22 and the heating plate 1 .

[0066] Preferably, the hair straightener with automatic identification of wet and dry hair further comprises: a circulating temperature adjustment button 25 and a power button 26, and the circulating temperature adjustment button 25 and the power button 26 are electrically connected to the circuit board respectively.

[0067] Preferably, at least two floating compression springs 27 are provided between the other heating plate 1 and the handle 21 .

[0068] Preferably, sealing silicone 29 is provided in both handles 21 , a light guide sheet 28 is further provided in one handle 21 , and a pressing plate 30 and a screw cover 31 are further provided in the other handle 21 .

[0069] Preferably, a push cover 35 and a push cover pressing plate 36 are further provided in the other handle 21 .

[0070] Preferably, a decorative piece 37 is further provided in the handle 21 .

[0071] Preferably, the automatic wet / dry hair straightener further comprises a junction box 32, a locking ring 33 and a power cord 34 which are connected in sequence.

[0072] The present invention can detect the humidity of the hair and adjust the heating plate 1 to a suitable temperature so as to keep the hair in the best state.

[0073] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A hair straightener that automatically identifies wet and dry hair, characterized in that: include: Two heating plates, each of which has a heating surface, and the two heating surfaces cooperate with each other to clamp the hair and shape the hair; A conduction component, the conduction component is arranged in one of the heating plates, and the conduction component is used to detect the humidity of the hair; A circuit control system, wherein the circuit control system controls the temperature of the two heating plates after receiving the humidity of the hair detected by the conduction component; The conductive component at least partially penetrates the heating surface of the heating plate, and the conductive component is in contact with the hair; The conduction component comprises: at least one first metal member and at least one second metal member, the first metal member is isolated from the second metal member and the heating plate respectively, the second metal member is in contact with the heating plate, at least a portion of the first metal member and at least a portion of the second metal member are in contact with the hair respectively, the first metal member and the heating plate are electrically connected to the circuit control system respectively, the circuit control system determines the humidity of the hair by detecting the resistance value between the first metal member and the second metal member, and controls the temperature of the two heating plates; The conduction assembly further includes: an insulating member, the insulating member is disposed in the heating plate, the insulating member is located between the first metal member and the second metal member, and the first metal member is isolated from the second metal member and the heating plate respectively by the insulating member; The insulating member covers the first metal member, and the second metal member is located between the insulating member and the heating plate.

2. The hair straightener capable of automatically identifying wet and dry hair according to claim 1, characterized in that: The heating surface of the heating plate is insulated.

3. The hair straightener capable of automatically identifying wet and dry hair according to claim 1, characterized in that: Also includes: At least one thermostat, the thermostat is electrically connected to the circuit control system.

4. The hair straightener capable of automatically identifying wet and dry hair according to claim 1, characterized in that: Also includes: Two brackets are respectively arranged in the two heating plates, the two brackets are respectively in contact with the two heating plates, and the bracket in one heating plate is electrically connected to the circuit control system.

5. The hair straightener capable of automatically identifying wet and dry hair according to claim 1, characterized in that: After receiving the humidity of the hair detected by the conductive component, the circuit control system controls the temperature of the two heating plates in real time.

6. The hair straightener capable of automatically identifying wet and dry hair according to claim 4, characterized in that: Also includes: Two heaters are respectively arranged in the two heating plates, and the heaters are in contact with the bracket and the heating plate.

7. The hair straightener capable of automatically identifying wet and dry hair according to claim 1, characterized in that: Also includes: A dry / wet mode selection button is electrically connected to the circuit control system.

Images