WO2021057276A1 - Rasoir électrique et système de rasoir électrique - Google Patents

Rasoir électrique et système de rasoir électrique Download PDF

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Publication number
WO2021057276A1
WO2021057276A1 PCT/CN2020/107344 CN2020107344W WO2021057276A1 WO 2021057276 A1 WO2021057276 A1 WO 2021057276A1 CN 2020107344 W CN2020107344 W CN 2020107344W WO 2021057276 A1 WO2021057276 A1 WO 2021057276A1
Authority
WO
WIPO (PCT)
Prior art keywords
head
sensing element
electric
charging
control chip
Prior art date
Application number
PCT/CN2020/107344
Other languages
English (en)
Chinese (zh)
Inventor
任晓东
黄海湖
李丐腾
Original Assignee
上海飞科电器股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海飞科电器股份有限公司 filed Critical 上海飞科电器股份有限公司
Publication of WO2021057276A1 publication Critical patent/WO2021057276A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/14—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter type; Cutting heads therefor; Cutters therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/3853—Housing or handle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/3873—Electric features; Charging; Computing devices
    • B26B19/388—Sensors; Control

Definitions

  • the invention relates to the technical field of personal care appliances, in particular to an electric razor and an electric razor system.
  • a razor includes a razor and a hair clipper, etc., and is a kind of knives that people use to shave beard and hair.
  • Electric shavers have been recognized, popularized and widely used by market consumers, and electric shavers/hair clippers have entered thousands of households. With the improvement of consumers' quality of life, consumers also have new personalized and differentiated acceptance and requirements for their electric razor products.
  • the switches of the existing electric shaver adopt light-touch key switches and mechanical push switches. Both of these two types of electric shavers require the user to individually press a switch to start, and therefore are inconvenient to use and cannot meet the ever-increasing use needs of users.
  • the purpose of the present invention is to provide an electric razor and an electric razor system to facilitate the user's use and improve the user's sense of experience.
  • the embodiment of the present invention provides an electric razor, which includes a body and a cutter head that are interconnected; the body includes a housing, a control chip and a driving component arranged in the housing, and a handle arranged on the housing A sensing element, the cutter head includes a head sensing element; the control chip is respectively connected with the driving part, the handle sensing element and the head sensing element, and the driving part is also connected with the cutter head;
  • the handle sensing element is used to generate a first sensing signal when the skin is approaching, and the first sensing signal is sent to the control chip;
  • the head sensing element is used to generate a second sensing when the skin is approaching Signal and send the second sensing signal to the control chip;
  • the control chip is used to send a driving control signal to the driving component when the first sensing signal and the second sensing signal are received, So that the driving part drives the cutter head to work.
  • the handle sensing element includes a first induction guide coil arranged on the inner wall of the housing; the knife head includes a metal knife net, and the head sensing element includes the metal knife net and/or a surrounding area.
  • the second induction guide coil provided by the metal knife net.
  • the material of the first induction wire includes one or more of copper, steel, iron, aluminum, zinc and nickel; the material of the second induction wire includes copper, steel, iron, aluminum, One or more of zinc and nickel.
  • the second induction conducting coil is covered with a protective layer.
  • the material of the protective layer includes soft glue.
  • the driving component includes an interconnected motor control switch and a motor, the motor control switch is also connected to the control chip, and the motor is also connected to the cutter head; the motor control switch includes the following Any kind: thyristor, transistor, field effect tube, thyristor and relay.
  • the housing is also provided with a charging interface
  • the housing is also provided with a power conversion module, a charging switch, and an electric energy storage module respectively connected to the control chip, and the power conversion module is also connected to the charging
  • the interface is connected with the charging switch, and the charging switch is also connected with the electric energy storage module.
  • a charging indicator light is further provided on the housing, and the charging indicator light is connected to the control chip.
  • the electric razor further includes a cutter head holder for fixing the cutter head, the cutter head holder is connected to the body; a hair storage chamber is also provided under the cutter head.
  • An embodiment of the present invention also provides an electric razor system, including the above-mentioned electric razor, and further includes a charging head; the charging head is connected to the electric razor, and the charging head is used to charge the electric razor.
  • the electric razor includes a body and a cutter head that are interconnected;
  • the body includes a housing, a control chip and a driving component arranged in the housing, and a handle arranged on the housing Sensing element
  • the cutter head includes a head sensing element;
  • the control chip is connected to the driving part, the handle sensing element and the head sensing element, and the driving part is also connected to the cutter head;
  • the handle sensing element is used to sense the first induction when the skin is approaching Signal and send the first sensing signal to the control chip;
  • the head sensing element is used to generate a second sensing signal when the skin is approaching, and send the second sensing signal to the control chip;
  • the control chip is used to receive the first sensing signal
  • the induction signal and the second induction signal send a driving control signal to the driving part, so that the driving part drives the cutter head to work.
  • the electric razor will automatically start when both the handle sensing element and the head sensing element sense the proximity of the human body (skin) and the
  • FIG. 1 is a schematic diagram of a circuit structure of an electric shaver provided by an embodiment of the present invention
  • FIG. 2 is a schematic diagram of the appearance of an electric razor provided by an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of the internal structure of an electric razor provided by an embodiment of the present invention.
  • Figure 4 is a top view of a cutter head of an electric razor provided by an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of the circuit structure of another electric shaver provided by an embodiment of the present invention.
  • Fig. 6 is a circuit diagram of an electric shaver provided by an embodiment of the present invention.
  • Icon 10-body; 110-housing; 120-control chip; 130-drive part; 131-motor control switch; 132-motor; 140-handle sensing element; 150-charging interface; 160-power conversion module; 170- Charging switch; 180-electric energy storage module; 190-charging indicator; 20-knife head; 210-head sensing element; 211-metal knife net; 212-inner blade; 213-protective layer; 220-knife holder; 230 -Hair storage room.
  • the existing electric razors require the user to press the switch individually to start, which is inconvenient to use.
  • the electric razor and the electric razor system provided by the embodiments of the present invention can realize automatic start, which is convenient for users to use and improves users’ Sense of experience.
  • the embodiment of the present invention provides an electric razor.
  • the electric razor may be a razor, a hair clipper, or other electric equipment for removing hair.
  • FIG. 1 Refer to the schematic diagram of the circuit structure of an electric shaver shown in FIG. 1, the appearance diagram of an electric shaver shown in FIG. 2, the internal structure diagram of an electric shaver shown in FIG. 3, and the schematic diagram of an electric shaver shown in FIG.
  • a top view of the cutter head of an electric razor the electric razor includes a main body 10 and a cutter head 20 interconnected; the main body 10 includes a housing 110, a control chip 120 and a driving component 130 arranged in the housing 110, and a housing 110
  • the handle sensing element 140, the cutter head 20 includes a head sensing element 210; the control chip 120 is respectively connected with the driving part 130, the handle sensing element 140 and the head sensing element 210, and the driving part 130 is also connected with the cutter head 20.
  • the above-mentioned handle sensing element 140 is arranged at the handle position (hand grip position) of the fuselage 10, and is used to generate a first sensing signal when the skin is approaching, and send the first sensing signal to the control chip 120; head sensing element 210 is used to generate a second sensing signal when the skin is approaching, and send the second sensing signal to the control chip 120; the control chip 120 is used to send a driving control signal to the driver when the first sensing signal and the second sensing signal are received Component 130, so that the driving component 130 drives the cutter head 20 to work.
  • control chip 120 is also used to send a shutdown control signal when the first sensing signal and the second sensing signal are not received or only one of the first sensing signal and the second sensing signal is received during the working process of the cutter head 20 To the driving part 130 so that the driving part 130 stops driving the cutter head 20. In this way, the automatic shutdown function of the electric shaver is realized, and the electric energy can be saved at the same time.
  • the material of the housing 110 may be, but is not limited to, plastic.
  • the control chip 120 may be an MCU (Microcontroller Unit, Microcontroller Unit).
  • the control chip 120 adopts a single-chip microcomputer, and the model of the control chip 120 may be, but is not limited to, PL51T020.
  • the control chip 120 may be respectively connected to the driving part 130, the handle sensing element 140 and the head sensing element 210 through a transmission conductor (transmission line).
  • the above-mentioned electric razor will automatically start when the handle sensing element 140 and the head sensing element 210 both sense the proximity of the human body (skin), without the need for the user to perform a separate operation of pressing the switch, so it is convenient to use and improves the user experience.
  • the above electric shaver also has the function of preventing accidental touch: only when the handle sensing element 140 and the head sensing element 210 sense the proximity of the human body at the same time, it will automatically start, that is, when the user only approaches one of the handle sensing element 140 and the head sensing element 210, The electric razor will not operate or start up, thus effectively avoiding false touches, and the structure design is more reasonable.
  • the overall appearance of the above-mentioned electric shaver does not have any buttons or push switches, which is more conducive to waterproof treatment.
  • the above-mentioned handle sensing element 140 includes a first induction guide coil arranged on the inner wall of the housing 110; as shown in FIGS. 2 to 4, the cutter head 20 includes a metal knife net 211, and the head sensing element 210 includes a metal knife.
  • both the handle sensing element 140 and the head sensing element 210 are both inductive coils, and the human body is a conductor, based on the working principle of the antenna, both the handle sensing element 140 and the head sensing element 210 can generate induced electrical signals when the human body approaches, thereby achieving The automatic start of the electric shaver realizes a stable and reliable principle.
  • the cutter head 20 includes a metal knife net 211 and an inner blade 212, and the driving part 130 is connected to the inner blade 212.
  • the metal knife net 211 is used to cooperate with the inner blade 212 to cut hair (hair or beard, etc.), and to prevent the skin from being cut.
  • the inner blade 212 is used to move relative to the metal knife net 211 under the driving of the driving part 130 to cut hair.
  • the metal knife net 211 is used as the head sensing element 210.
  • a second induction conducting coil can be arranged around the metal knife net 211, and the second induction conducting coil can be used as the head induction element 210.
  • the metal knife net 211 and the second induction guide coil are both used as the head induction element 210, and the metal knife net 211 and the second induction guide coil are respectively connected to the control chip 120, and the control chip 120 is connected to the control chip 120.
  • the head sensing element 210 has a larger area, can sense the proximity of the human body in time, and has a higher sensitivity.
  • the material of the first induction wire includes one or more of copper, steel, iron, aluminum, zinc and nickel; the material of the second induction wire also includes copper, steel, iron, aluminum, One or more of zinc and nickel.
  • the second induction conducting coil is covered with a protective layer 213.
  • the protective layer 213 can be, but is not limited to, a plastic part.
  • the material of the protective layer 213 is soft rubber.
  • the protective layer 213 can be referred to as a skin-feel bracket.
  • the skin-feel bracket has a better touch and can further improve the user experience.
  • the driving component 130 includes a motor control switch 131 and a motor 132 interconnected, and the motor control switch 131 is also connected to each other.
  • the control chip 120 is connected, and the motor 132 is also connected to the inner blade 212 of the cutter head 20;
  • the motor control switch 131 includes any one of the following: a thyristor, a transistor, a field effect transistor, a thyristor, and a relay.
  • the motor 132 can drive the inner blade 212 to rotate relative to the metal knife net 211, thereby realizing hair cutting.
  • the housing 110 is further provided with a charging interface 150, and the housing 110 is also provided with a power conversion module 160, a charging switch 170, and an electric energy storage module 180 respectively connected to the control chip 120.
  • the power conversion module 160 is also connected to the charging interface 150 and the charging switch 170 respectively, and the charging switch 170 is also connected to the electric energy storage module 180.
  • the aforementioned power conversion module 160 may be an AC (Alternating current, alternating current) to DC (Direct current, direct current) module (AC/DC converter).
  • the electric energy storage module 180 is used to supply power to the electronic components in the entire electric shaver. As shown in FIG. 5, the electric energy storage module 180 is also connected to the motor control switch 131 so as to supply power to the motor 132.
  • the electric energy storage module 180 may be, but is not limited to, a lithium battery.
  • the charging switch 170 includes any one of the following: a thyristor, a transistor, a field effect transistor, a thyristor, and a relay.
  • the charging control process of the above-mentioned electric shaver is as follows: when the power conversion module 160 is connected to the power supply through the charging interface 150, it will send a charging connection signal to the control chip 120; when the control chip 120 receives the charging connection signal, it obtains the power of the electric energy storage module 180 When the remaining power of the electric energy storage module 180 is lower than a certain preset value, the charging control signal is sent to the charging switch 170; after the charging switch 170 receives the charging control signal, the switch is closed to enable the power conversion module 160 to convert the The electric energy is stored in the electric energy storage module 180 to realize the charging of the electric energy storage module 180.
  • the aforementioned preset value can be set according to actual needs, for example, the preset value is set to 99%.
  • a charging indicator light 190 is further provided on the housing 110, and the charging indicator light 190 is connected to the control chip 120.
  • the charging indicator light 190 is used to indicate the charging state of the electric energy storage module 180.
  • the charging indicator light 190 includes two LED (Light Emitting Diode, light-emitting diode) lights with different luminous colors, which are used to indicate the charging state and the fully charged state respectively.
  • LED Light Emitting Diode, light-emitting diode
  • a red LED light is used to indicate that it is charging and a green LED light is used to indicate that it is full.
  • the above-mentioned electric razor further includes a cutter head holder 220 for fixing the cutter head 20, and the cutter head holder 220 is connected to the body 10; as shown in FIG. 2 and FIG.
  • a hair storage room 230 is also provided below. The hair storage room 230 is used to store the hair cut by the cutter head 20.
  • the embodiment of the present invention also provides a circuit diagram of an electric razor as shown in FIG. 6, which mainly shows the control chip 120, the handle sensing element 140, the head sensing element 210, the motor control switch 131, and the motor 132. 2.
  • the unmarked parts in FIG. 6 also include the overcharge and overdischarge protection circuit of the electric energy storage module 180, the power supply circuit of the control chip 120, the working current detection circuit, the voltage detection circuit, and the charging temperature protection circuit.
  • the corresponding algorithm program can also be programmed in the control chip 120 to adjust the sensitivity of the electric shaver. In this way, it is easier to control the electric shaver to a suitable sensitivity, and by improving the sensitivity, the automatic start or shut-off effect of the electric shaver can be optimized.
  • the unmarked part in FIG. 6 also includes a software algorithm update module located above the charging indicator light 190.
  • the embodiment of the present invention also provides an electric razor system, including the above-mentioned electric razor, and further includes a charging head; the charging head is connected to the electric razor, and the charging head is used to charge the electric razor.
  • the input end of the charging head is connected to the power source, and the output end of the charging head is connected to the charging interface of the electric shaver, so that the electric shaver is connected to the power source through the charging head to realize the charging of the electric shaver.
  • the terms “installed”, “connected”, and “connected” should be understood in a broad sense, for example, they may be fixed connections or detachable connections. , Or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • installed e.g., they may be fixed connections or detachable connections. , Or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)

Abstract

La présente invention se rapporte au domaine technique des appareils électriques de soins personnels. La présente invention concerne un rasoir électrique et un système de rasoir électrique. Le rasoir électrique comprend un corps et une tête de rasoir qui sont reliés l'un à l'autre. Le corps comprend un boîtier, une puce de commande et un élément d'entraînement disposé dans le boîtier, et un élément de détection de poignée disposé sur le boîtier. La tête de rasoir comprend un élément de détection de tête. La puce de commande est connectée séparément à l'élément d'entraînement, à l'élément de détection de poignée et à l'élément de détection de tête. L'élément d'entraînement est en outre relié à la tête de rasoir. Le rasoir électrique est automatiquement démarré lorsque l'élément de détection de poignée et l'élément de détection de tête détectent une approche d'un corps humain (peau). Lorsque le rasoir électrique est démarré, un utilisateur n'a pas besoin d'effectuer l'opération d'appui sur un commutateur et, par conséquent, le rasoir électrique est pratique à utiliser et améliore l'expérience de l'utilisateur.
PCT/CN2020/107344 2019-09-27 2020-08-06 Rasoir électrique et système de rasoir électrique WO2021057276A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910929923.8 2019-09-27
CN201910929923.8A CN110480690A (zh) 2019-09-27 2019-09-27 电动剃刀及电动剃刀***

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WO2021057276A1 true WO2021057276A1 (fr) 2021-04-01

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021057787A1 (fr) * 2019-09-27 2021-04-01 上海飞科电器股份有限公司 Rasoir électrique, appareil électroménager portatif, système de rasoir électrique et procédé de commande
CN110480690A (zh) * 2019-09-27 2019-11-22 上海飞科电器股份有限公司 电动剃刀及电动剃刀***
CN110791908A (zh) * 2019-12-18 2020-02-14 中山贝森母婴用品有限公司 一种具有自动启动和停止功能的毛球修剪器
CN112060136B (zh) * 2020-07-01 2022-06-21 深圳素士科技股份有限公司 刀头组件、齿轮仓以及浮动剃须刀
CN111941469A (zh) * 2020-09-03 2020-11-17 上海飞科电器股份有限公司 剃刀刀头及电动剃刀
WO2024067546A1 (fr) * 2022-09-30 2024-04-04 上海飞科电器股份有限公司 Rasoir

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CN210879769U (zh) * 2019-09-27 2020-06-30 上海飞科电器股份有限公司 电动剃刀及电动剃刀***

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DE3021966A1 (de) * 1980-06-12 1981-12-17 Kuno Moser, GmbH, Fabrik für Feinmechanik und Elektrotechnik, 7731 Unterkirnach Elektrischer rasierapparat
CN101722525A (zh) * 2009-11-24 2010-06-09 李丐腾 剃须刀的触摸滑动开关装置
CN202794927U (zh) * 2012-08-10 2013-03-13 宁波市开利刀片制造有限公司 剃须刀触摸感应开关
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CN208946223U (zh) * 2018-05-29 2019-06-07 渲美美健（深圳）科技股份有限公司 一种感应剃毛控制电路
CN208575902U (zh) * 2018-08-14 2019-03-05 江西省胡一刀实业有限公司 一种感应式剃须刀
CN110480690A (zh) * 2019-09-27 2019-11-22 上海飞科电器股份有限公司 电动剃刀及电动剃刀***
CN210879769U (zh) * 2019-09-27 2020-06-30 上海飞科电器股份有限公司 电动剃刀及电动剃刀***

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