WO2021184520A1

WO2021184520A1 - Micro-current beauty instrument

Info

Publication number: WO2021184520A1
Application number: PCT/CN2020/089987
Authority: WO
Inventors: 邓正根; 陈铂仁; 刘汀科; 张明富
Original assignee: 厦门松霖科技股份有限公司
Priority date: 2020-03-19
Filing date: 2020-05-13
Publication date: 2021-09-23
Also published as: CN113491826A

Abstract

A micro-current beauty instrument, comprising a handle part (10) that can be held, a micro-current generation part (20) that can generate micro-current, and massage heads (30) attached to the handle part (10). The micro-current generation part (20) is electrically connected to the massage heads (30); the micro-current generation part (20) is provided with a control switch for controlling whether to generate micro-current; the control switch is provided with a first terminal and a second terminal; the first terminal comprises a first conductive area (11), and the first conductive area (11) is provided on the handle part (10); the second terminal comprises second conductive areas (31), and the second conductive areas (31) are provided on the massage heads (30); when the first conductive area (11) and the second conductive areas (31) are in contact with the same conductor, the first terminal and the second terminal are connected to turn on the control switch, such that the micro-current beauty instrument can be automatically turned on or off, can start to work immediately once being held in hand, and is easy and safe to use.

Description

Micro current beauty instrument

Technical field

The invention relates to a beauty instrument, in particular to a micro-current beauty instrument.

Background technique

Existing micro-current beauty devices, such as the US NUFACE brand micro-current beauty devices, or CN207640643, CN207590939U, CN203694405U, etc. announced by the Chinese patent database, which include a handle part for the user to hold, and a micro-current generator that can generate micro-current Part, massage head and control switch, the control switch is connected to the massage head and the micro-current generating part, the control switch is a key switch, the key is movably connected to the handle part, and the control switch is turned on or off by pressing the key to turn on or off Massage head and micro current generating part. The existing micro-current beauty instrument requires the user to manually control the micro-current switch, which is inconvenient to use, and there is a need for further improvement.

Summary of the invention

The present invention provides a micro-current beauty instrument, which overcomes the shortcomings of the micro-current beauty instrument in the background art.

The technical solutions adopted by the present invention to solve its technical problems are:

The micro-current beauty instrument includes a handle part that can be held, a micro-current generation part capable of generating micro-current, and a massage head attached to the handle part. The micro-current generation part is electrically connected to the massage head; it is characterized in that: the micro-current generation part is electrically connected to the massage head. A control switch for controlling whether to generate a micro current is provided in the part. The control switch has a first terminal and a second terminal. The first terminal includes a first conductive area. Two conductive areas. The second conductive area is arranged on the massage head. When the first conductive area and the second conductive area are in contact with the same electrical conductor, the first terminal and the second terminal are connected to turn on the control switch.

In one embodiment, the micro-current generating part includes a power source part, one pole of the power source part is electrically connected to the second terminal, the second terminal is electrically connected to the massage head, and the other pole of the power source part is electrically connected to the first terminal.

In one embodiment: the micro current generating part includes a power supply part and a circuit board, one pole of the power supply part is electrically connected to the circuit board and the second terminal, the circuit board is electrically connected to the massage head, and the other pole of the power source part is electrically connected to the first terminal. Terminal; the power supply part and the circuit board are installed in the handle part.

In an embodiment: the handle part includes a handle housing, a conductive cover plate is mounted on the handle housing, and the first conductive area includes the sensor cover plate.

In an embodiment: the massage head has conductive properties, and the second conductive area includes the outer peripheral wall of the massage head.

In one embodiment, it further includes a pressure sensor which is electrically connected to the handle part or the massage head to obtain the pressure value; the circuit board is electrically connected to the pressure sensor to control the micro-current according to the pressure.

In an embodiment: a connecting mechanism is provided between the massage head and the handle part, the connecting mechanism includes a conductive shaft, a support sleeve with conductive properties, and a conductive bearing; the first part of the conductive shaft is attached to the handle part and the micro-current generating part Electrically connected to the conductive shaft; the massage head is recessed with a connection groove, the support sleeve is connected in the connection groove to connect the massage head and the support sleeve together, the second part of the conductive shaft is inserted into the support sleeve and the conductive shaft and the support sleeve Conductive bearings are set between.

In an embodiment: the handle portion is provided with a protruding portion, the end surface of the protruding portion is recessed with a mounting groove, the conductive shaft is protruding with a first shoulder, and the conductive shaft is mounted in the mounting groove and passes through the first shoulder. A shoulder cooperates with the mounting groove to connect the conductive shaft and the handle part together.

In one embodiment: the connecting groove is a cylindrical groove, and the peripheral wall of the cylindrical groove is recessed with a positioning groove; A cantilever surrounded by a groove, the outer side wall of the cantilever is convexly provided with a positioning protrusion, and the positioning protrusion is inserted into the positioning groove to connect the support sleeve and the massage head together.

Compared with the background technology, this technical solution has the following advantages:

Since the first conductive area is located on the handle part and the second conductive area is located on the massage head, when the first conductive area and the second conductive area are in contact with the same electrical conductor, the first terminal and the second terminal are connected to open Control the switch, so when the user holds (touches) the handle part and the massage head touches the user’s skin, the human body acts as a conductor to connect the first terminal and the second terminal, the control switch is turned on, either contact is separated or both are separated, the control switch When disconnected, it can automatically open and close, which is easy to use and safe to use.

It also includes a pressure sensor. The pressure sensor is electrically connected to the circuit board. The pressure sensor is electrically connected to the handle part or the massage head to obtain the pressure value. The micro current is controlled according to the pressure. The pressure sensor is used to adjust the micro current gear. The user can control the gear according to the appropriate force value applied to the product. When the force is large, the current gear is large, and when the force is small, the current gear is small, and the application is more scientific and reasonable.

An induction cover plate with conductive performance is mounted on the handle shell, and the first conductive area includes the induction cover plate, which is convenient to use, easy to assemble, and low in product cost.

The massage head has conductive properties, and the second conductive area includes the massage head, which is convenient to use.

The first part of the conductive shaft is attached to the handle part and the micro-current generating part is electrically connected to the conductive shaft. The massage head is recessed with a connection groove, and the support sleeve is connected in the connection groove to connect the massage head and the support sleeve together. The second part of the conductive shaft It is inserted into the support sleeve and a conductive bearing is arranged between the conductive shaft and the support sleeve, the layout is reasonable, and the structure is simple and compact.

The connecting groove is a cylindrical groove, the circumferential wall of the cylindrical groove is recessed with a positioning groove, the support sleeve is provided with a non-closed groove penetrating through the inside and outside, and the support sleeve is formed with a cantilever surrounded by the non-closed groove through the non-closed groove, and the outer wall of the cantilever is convex It is provided with positioning protrusions, which are inserted into the positioning grooves to connect the support sleeve and the massage head together. The assembly is convenient, and the structure is simple and compact.

Description of the drawings

The present invention will be further described below in conjunction with the drawings and specific embodiments.

Fig. 1 is a three-dimensional schematic diagram of a micro-current beauty instrument according to a specific embodiment.

Fig. 2 is one of the schematic cross-sectional views of the micro-current beauty instrument according to the specific embodiment.

Fig. 3 is a second schematic cross-sectional view of the micro-current beauty instrument of the specific embodiment.

Fig. 4 is an exploded schematic diagram of the micro-current beauty instrument according to the specific embodiment.

Fig. 5 is a partial enlarged schematic diagram of Fig. 2.

Fig. 6 is an exploded schematic diagram of the massage head and the connecting mechanism of the specific embodiment.

Fig. 7 is a schematic block diagram of a micro-current beauty instrument according to a specific embodiment.

FIG. 8-1 is a specific circuit diagram of MCU221 in a specific embodiment.

Fig. 8-2 is a specific circuit diagram of the EMS micro current in a specific embodiment.

Fig. 8-3 is a circuit diagram of a detection port of a pressure sensor according to a specific embodiment.

Fig. 8-4 is a circuit diagram of the inductive cover plate and the first terminal in a specific embodiment.

Fig. 8-5 is a circuit diagram of a lithium battery charging circuit according to a specific embodiment.

Detailed ways

Please refer to Figures 1 to 6. The micro-current beauty instrument includes a handle part 10 for the user to hold, a micro-current generation part 20 that can generate micro-current, a massage head 30 attached to the handle part 10, a pressure sensor 40 and a control In part, the micro-current generating part 20 is electrically connected to the massage head 30 to generate a micro-current that acts on the human body. The massage head 30 is movably connected to the handle part 10, and the movement is like turning or rolling.

The micro current generating part 20 is provided with a control switch for controlling whether to generate a micro current. The control switch has a first terminal and a second terminal. The first terminal includes a first conductive area 11 which is provided on the handle portion. 10. The second terminal includes a second conductive area 31, which is provided on the massage head 30. When the first conductive area and the second conductive area are in contact with the same conductor, the first terminal and the second The terminals are connected to turn on the control switch, the human body as a conductive body connects the first terminal and the second terminal, the control switch is turned on, and the circuit loop is turned on. At this time, the micro-current generating part 20 supplies power to the massage head 30 to produce The micro current of the human body, because the first conductive area is set on the handle portion 10 and the second conductive area is set on the massage head 30, when the user holds (touches) the handle portion 10 and the massage head 30 contacts the user’s skin, the control switch is turned on. Once the contact is separated or both are separated, the control switch is disconnected, and the automatic opening and closing can be realized, which is convenient and safe to use.

The micro current generating part 20 includes a power supply part 21 and a circuit board 22, the circuit board 22 is provided with the above-mentioned control switch; one pole of the power supply part 21 is electrically connected to the circuit board 22 and the second terminal, and the circuit board 22 is electrically connected to the massager Head 30, the other pole of the power supply part 21 is electrically connected to the first terminal. When the user holds (touches) the handle part 10 while the massage head 30 contacts the user's skin, the control switch is turned on to supply power to the circuit board 22 so that the micro-current generating part 20 supplies power to the massage head 30. If the power supply part 21 is a battery, if the battery is a lithium battery, the handle part may also be provided with a charging interface. The charging interface is electrically connected to the circuit board 22, and the circuit board 22 is electrically connected to a lithium battery, so as to be able to use an external power source as the battery Charge.

The handle portion 10 includes a handle housing 12, the handle housing 12 is attached with a conductive cover plate, the first conductive area 11 includes a sensor cover plate, for example: the sensor cover plate is made of conductive material, then The outer surface of the sensing cover plate is the first conductive area, or the outer surface of the sensing cover plate is electroplated with a conductive layer, and the conductive layer constitutes the first conductive area. The sensing cover is fixedly mounted on the handle housing 12, for example, two opposite barbs 111 are protruding from the back of the sensing cover, and the two barbs 111 are hooked on the inner wall of the handle housing 12 to connect the sensing cover And the handle housing 12 cannot be relatively movably attached together.

The massage head 30 has conductive properties. If the massage head 30 is made of conductive material, the outer peripheral wall of the massage head 30 constitutes the second conductive area, or the outer surface of the massage head is electroplated with a conductive layer, then the outer peripheral wall of the massage head 30 constitutes The second conductive area.

The pressure sensor 40 is electrically connected to the circuit board 20, and the pressure sensor 40 is electrically connected to the handle part 10 or the massage head 30 to obtain the pressure value; the control part is electrically connected to the pressure sensor 40 and the micro current generating part to control the micro current according to the pressure size. The control part is provided on the circuit board 22.

Both the power supply part 21 and the circuit board 22 are fixedly installed in the handle housing 12 of the handle part 10. The handle housing 12 includes a back cover 121, a lower cover plate 122, a lower cover 123, and an upper cover 124. The upper cover 124 and the lower cover 123 are fixedly connected together to form the front part of the handle portion 10. The rear cover 121 The lower cover 122 is connected to the lower cover 123, the sensing cover is connected to the upper cover 124 and the rear cover, and the lower cover 122 can also be installed under the front part of the handle part 10. A charging cover plate 1221 is detached and connected to provide an interface for charging the lithium battery.

A connecting mechanism 50 is provided between the massage head 30 and the handle portion 10, and the connecting mechanism 50 includes a conductive shaft 51, a support sleeve 52 with conductive properties, and a conductive bearing 53. The front part of the handle housing 12 of the handle portion 10 is provided with a protruding portion 125, the end surface of the protruding portion 125 is concavely provided with a mounting groove 126, the conductive shaft 51 is protruded with a first shoulder 511, and the conductive shaft 51 It is installed in the installation groove 126 and cooperates with the first shoulder 511 and the installation groove 126 to connect the conductive shaft and the handle part together. The first part of the conductive shaft 51 is electrically connected to the micro current generating part 20 through a wire. The massage head 30 is recessed with a connecting groove 32, the support sleeve 52 is installed in the connecting groove 32 to connect the massage head 30 and the support sleeve 52 together, and the second part of the conductive shaft 51 is inserted into the support sleeve 52 and conducts electricity. A conductive bearing 53 is provided between the shaft 51 and the support sleeve 52. Wherein, the conductive shaft 51 is electrically connected to the support sleeve 52 through the conductive bearing 53, and the support sleeve 52 is electrically connected to the massage head 30 through contact.

The massage head 30 includes a ball head, the ball head 30 has a ball-cut end surface, the ball-cut end surface is concavely formed with the above-mentioned connecting groove 32, the connecting groove is a cylindrical groove, and the circumferential wall of the cylindrical groove is recessed with an annular positioning groove 33 The support sleeve 52 is provided with a non-closed groove penetrating the inside and outside, through the non-closed groove to form a cantilever 521 surrounded by the non-closed groove on the support sleeve, the outer side wall of the cantilever is convexly provided with a positioning protrusion 522, the positioning convex Insert into the positioning slot to connect the support sleeve and the massage head together.

According to needs, the conductive shaft is further provided with a second shoulder 512, which supports against the end surface of the protruding part; and is additionally provided with a cover buckle 54 whose lower periphery extends inwardly into a convex ring. Abutting on the end surface of the protruding part and surrounding the second shaft shoulder, the cover buckle 54 is clamped on the protruding part and against the handle portion 10; a circlip 513 is connected at the end of the conductive shaft, and the circlip is axially locked by the circlip Connect each component; the bearing is axially corresponding to the circlip and the second shoulder.

In the micro-current beauty instrument of this embodiment, when the hand touches the sensing cover plate and the massage head touches the skin, the product enters the power-on mode (the circuit board defaults to level 1 at this time). The external force is applied to the pressure sensor, and the pressure sensor senses the pressure value to adjust the micro-current gear.

In this specific embodiment, the principle of generating the micro current by the micro current generating part 20 can refer to the prior art, specifically as shown in the block diagram of FIG. 7. The circuit board 22 is provided with a processor (MCU221 in the figure) and an EMS micro Current 224, the processor can send current to the massage head to generate a micro current; according to needs, the micro current beauty instrument is also equipped with an indicator light (LED indicator 222 in the figure) and a buzzer connected to the processor 223. According to the three pressure levels of high, medium and low, the beauty instrument outputs three levels of micro current (EMS micro current) corresponding to strong, medium and weak. The indicator light 222 can display the three levels of high, medium and low by color. The instrument is turned on and off, and the working status prompt sound.

Please refer to Figure 8-1, which is the specific circuit diagram of MCU221, which contains the chip PIC16LF1936. Please refer to Figure 8-2, which is a specific circuit diagram of the EMS micro current 224, which includes the chip LM2904DT. Please refer to Figure 8-3, which is the circuit diagram of the detection port of the pressure sensor. Please refer to Figure 8-4, which is a circuit diagram of the sensing cover and the first terminal set together. It contains the chip BS812A-1. Please refer to Figure 8-5, which is a diagram of the lithium battery charging circuit.

The above are only preferred embodiments of the present invention, so the scope of implementation of the present invention cannot be limited accordingly. That is, equivalent changes and modifications made according to the scope of the present invention and the contents of the specification should still be covered by the present invention. Within range.

Industrial applicability

In the micro-current beauty instrument of the present invention, the two conductive areas are respectively arranged on the handle part and the massage head. When the two conductive areas are in contact with the same conductor, the control switch is turned on, either contact is separated or both are separated, and the control switch is turned off , It can realize automatic opening and closing, instant use, convenient and safe to use.

Claims

The micro-current beauty instrument includes a handle part that can be held, a micro-current generation part capable of generating micro-current, and a massage head attached to the handle part. The micro-current generation part is electrically connected to the massage head; it is characterized in that: the micro-current generation part is electrically connected to the massage head. A control switch for controlling whether to generate a micro current is provided in the part. The control switch has a first terminal and a second terminal. The first terminal includes a first conductive area. Two conductive areas. The second conductive area is arranged on the massage head. When the first conductive area and the second conductive area are in contact with the same electrical conductor, the first terminal and the second terminal are connected to turn on the control switch.
The micro-current beauty instrument according to claim 1, wherein the micro-current generating part comprises a power supply part, one pole of the power supply part is electrically connected to the second terminal, the second terminal is electrically connected to the massage head, and the other pole of the power supply part Electrically connected to the first terminal.
The micro-current beauty instrument according to claim 1, wherein the micro-current generating part comprises a power supply part and a circuit board, one pole of the power supply part is electrically connected to the circuit board and the second terminal, and the circuit board is electrically connected to the massage head, The other pole of the power supply part is electrically connected to the first terminal; the power supply part and the circuit board are both installed in the handle part.
The micro-current beauty device according to claim 1, wherein the handle part comprises a handle housing, a conductive sensing cover plate is mounted on the handle housing, and the first conductive area includes the sensing cover plate.
The micro-current beauty instrument according to claim 1, wherein the massage head has conductive properties, and the second conductive area includes the outer peripheral wall of the massage head.
The micro-current beauty instrument according to claim 3, further comprising a pressure sensor, the pressure sensor is electrically connected to the handle part or the massage head to obtain the pressure value; the circuit board is electrically connected to the pressure sensor to control according to the pressure The size of the micro current.
The micro-current beauty instrument according to claim 1, wherein a connecting mechanism is provided between the massage head and the handle, and the connecting mechanism includes a conductive shaft, a support sleeve with conductive properties, and a conductive bearing; the first part of the conductive shaft Attached to the handle part and the micro-current generating part is electrically connected to the conductive shaft; the massage head is recessed with a connection groove, the support sleeve is connected in the connection groove to connect the massage head and the support sleeve together, and the second part of the conductive shaft is inserted A conductive bearing is arranged in the support sleeve and between the conductive shaft and the support sleeve.
7. The micro-current beauty instrument according to claim 7, wherein the handle portion is provided with a protruding part, the end surface of the protruding part is recessed with a mounting groove, the conductive shaft is protruding with a first shoulder, and the conductive shaft is provided with a first shoulder. The shaft is installed in the installation groove and is matched with the installation groove through the first shoulder to connect the conductive shaft and the handle part together.
The micro-current beauty instrument according to claim 7, characterized in that: the connecting groove is a cylindrical groove, the circumferential wall of the cylindrical groove is concavely provided with a positioning groove; A cantilever surrounded by a non-closed groove is formed on the support sleeve, and the outer side wall of the cantilever is convexly provided with positioning protrusions, and the positioning protrusions are inserted into the positioning grooves to connect the support sleeve and the massage head together.