CN115337552A

CN115337552A - Radio frequency instrument

Info

Publication number: CN115337552A
Application number: CN202211066359.XA
Authority: CN
Inventors: 于倩倩; 李栋栋; 谢静; 刘苗苗; 胡永岚
Original assignee: Beijing Yeolight Technology Co ltd
Current assignee: Beijing Yeolight Technology Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-11-15

Abstract

The embodiment of the invention discloses a radio frequency instrument, which comprises: the radio frequency electrode group comprises a head part and at least one group of radio frequency electrodes arranged on the first surface of the head part, wherein each group of radio frequency electrodes comprises two radio frequency electrodes; the first surface of the head part is also provided with at least one sliding groove; at least one of each group of radio-frequency electrodes is arranged in the sliding groove, the radio-frequency electrodes arranged in the sliding groove can slide along the sliding groove, and when the radio-frequency electrodes slide along the sliding groove, the distance between the radio-frequency electrodes and the other radio-frequency electrode in the same group is changed. The radio frequency instrument provided by the embodiment of the invention can change the distance between the two radio frequency electrodes and adjust the heating depth of the radio frequency signal, thereby meeting the heating requirements of subcutaneous tissues at different depths, realizing accurate phototherapy, meeting the use requirements of different parts of the skin of the same user and the use requirements of different users, and avoiding burning the skin.

Description

Radio frequency instrument

Technical Field

The embodiment of the invention relates to the technical field of photo-beauty, in particular to a radio frequency instrument.

Background

Along with the improvement of living standard of people, people pay more and more attention to the quality of life, people pay more and more attention to skin cosmetology in order to protect skin, keep skin elasticity and youth face-beautifying, and radio frequency beauty instrument receives people's favor as a safe beauty instrument.

The radio frequency beauty instrument transmits radio frequency waves through the radio frequency electrode, the radio frequency waves act on the skin, heat generated by the radio frequency waves acts on subcutaneous tissues such as elastic fibers, collagen and the like in the skin, the subcutaneous tissues such as the elastic fibers, the collagen and the like shrink after being heated, so that the effect of tightening the skin is achieved, and the thermal stimulation can promote the regeneration and remodeling of new collagen fibers and collagen.

For human body, the subcutaneous tissue such as elastic fiber and collagen in different parts has different depths, and the subcutaneous tissue such as elastic fiber and collagen in different users has different depths, for example, the subcutaneous tissue at cheek is deeper, but the subcutaneous tissue at neck is shallower, and the required radio frequency intensity will be different. In the prior art, deeper subcutaneous tissues are generally heated by increasing the transmitting power of the radio-frequency electrode at deeper subcutaneous tissues, but the increase of the transmitting power easily causes the surface temperature of the radio-frequency electrode to be overhigh, and causes skin burns.

Disclosure of Invention

The embodiment of the invention provides a radio frequency instrument which can change the distance between two radio frequency electrodes so as to adjust the heating depth of a radio frequency signal, meet the heating requirements of subcutaneous tissues at different depths, realize accurate phototherapy, meet the use requirements of the skin at different parts of the same user and the use requirements of different users, and avoid skin burn.

The radio frequency instrument provided by the embodiment of the invention comprises:

the radio frequency electrode group comprises a head part and at least one group of radio frequency electrodes arranged on the first surface of the head part, wherein each group of radio frequency electrodes comprises two radio frequency electrodes;

the first surface of the head part is also provided with at least one sliding groove;

at least one of the radio-frequency electrodes in each group is arranged in the sliding groove, the radio-frequency electrodes arranged in the sliding groove can slide along the sliding groove, and when the radio-frequency electrodes slide along the sliding groove, the distance between the radio-frequency electrodes and the other radio-frequency electrode in the same group is changed.

Optionally, each group of radio frequency electrodes is correspondingly provided with a sliding groove, and the extending direction of the sliding groove is parallel to the connecting line direction of two radio frequency electrodes in the corresponding group of radio frequency electrodes.

Optionally, two rf electrodes in one set of rf electrodes are located in the corresponding sliding grooves.

Optionally, the head is provided with at least two sliding grooves, at least part of which intersect each other.

Optionally, the method further includes:

the control circuit is electrically connected with the radio-frequency electrode;

the control circuit is used for receiving a control instruction input by a user and adjusting the positive polarity and the negative polarity of the radio frequency electrode according to the control instruction.

Optionally, a flexible material layer is disposed at the bottom of the sliding groove, and the radio frequency electrode is disposed on one side of the flexible material layer away from the bottom of the sliding groove.

Optionally, the radio frequency electrode is a deformable electrode.

Optionally, the rf electrode comprises a flexible electrode body having a hollow cavity.

Optionally, a heat dissipation material is arranged in the hollow cavity, and the heat dissipation material is movable in the hollow cavity.

Optionally, the heat dissipation material includes liquid metal particles and rubber, or the heat dissipation material includes nanoparticles and a material having a first dielectric constant, or the heat dissipation material includes a phase change material; wherein the first dielectric constant is greater than a set value.

According to the radio frequency instrument provided by the embodiment of the invention, the first surface of the head is provided with at least one group of radio frequency electrodes and at least one sliding groove, at least one of the radio frequency electrodes in each group is positioned in the sliding groove, the radio frequency electrodes can slide along the sliding groove, and the distance between the radio frequency electrodes can be changed by adjusting the positions of the radio frequency electrodes in the sliding grooves, so that the heating depth of radio frequency signals is adjusted, the heating requirements of subcutaneous tissues at different depths are met, accurate phototherapy is realized, the use requirements of different parts of the skin of the same user and the use requirements of different users are met, and the surface temperature of the radio frequency electrodes cannot be increased due to the fact that the radio frequency emission power is not increased, so that the skin cannot be burnt.

It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present invention, nor do they necessarily limit the scope of the invention. Other features of the present invention will become apparent from the following description.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a radio frequency instrument according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of another RF meter provided in an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of another radio frequency instrument provided in the embodiment of the present invention;

FIG. 4 is a schematic structural diagram of another radio-frequency instrument provided in the embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a radio frequency instrument after adjustment of electrodes according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a radio frequency instrument according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an rf electrode according to an embodiment of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in other sequences than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The embodiment of the invention provides a radio frequency instrument. Fig. 1 is a schematic structural diagram of a radio frequency instrument according to an embodiment of the present invention. Referring to fig. 1, a radiofrequency meter comprising:

the radio frequency electrode assembly comprises a head 1 and at least one group of radio frequency electrodes 3 arranged on a first surface 2 of the head 1, wherein each group of radio frequency electrodes 3 comprises two radio frequency electrodes 3;

the first surface 2 of the head 1 is also provided with at least one sliding groove 4;

at least one of the radio-frequency electrodes 3 in each group is arranged in the sliding groove 4, the radio-frequency electrodes 3 arranged in the sliding groove 4 can slide along the sliding groove 4, and when the radio-frequency electrodes 3 slide along the sliding groove 4, the distance between the radio-frequency electrodes 3 and the other radio-frequency electrodes 3 in the same group is changed.

The first surface 2 is a surface of the head 1 which is directly contacted with a human face when the radio frequency instrument is used. The radiofrequency apparatus may include one or more groups of radiofrequency electrodes 3, and when the radiofrequency electrodes 3 transmit radiofrequency signals, radiofrequency energy flows from one radiofrequency electrode 3 (positive electrode) to another radiofrequency electrode 3 (negative electrode) in the group of radiofrequency electrodes 3. The sliding groove 4 can be a groove on the first surface 2, and the radio-frequency electrode 3 is embedded in the sliding groove 4 and can move along the extending direction of the sliding groove 4. The shape of the sliding groove 4 may be a straight line, an oblique line, a curved line, and the like, which is not limited in the embodiment of the present invention. In addition, one radio frequency electrode 3 in one group of radio frequency electrodes 3 may be located in the sliding groove 4, or both radio frequency electrodes 3 in one group of radio frequency electrodes 3 may be located in the sliding groove 4, and the radio frequency electrode 3 located in the sliding groove 4 may move along the extending direction of the sliding groove 4, so that when a user uses the radio frequency instrument, the user may move the radio frequency electrode 3 as needed, and change the distance between the radio frequency electrodes 3.

Specifically, when the radio frequency electrode 3 uniformly transmits a radio frequency signal to the skin, the skin is located in a gap between the positive electrode and the negative electrode of the group of radio frequency electrodes 3, and the human body has stronger electrical conductivity compared with the air, so that the human body can further enhance the radio frequency signal, and therefore the phenomenon of subcutaneous heating is shown, and the radio frequency power at the electrodes and the distance between the positive electrode and the negative electrode determine the subcutaneous heating depth of the radio frequency signal. According to the embodiment of the invention, at least one radio-frequency electrode 3 is arranged in the sliding groove 4, so that a user can adjust the distance between the radio-frequency electrodes 3 according to needs, and the subcutaneous heating depth of a radio-frequency signal is adjusted, and the subcutaneous tissue heating requirements of different depths are met.

Illustratively, referring to fig. 1, fig. 1 shows a set of rf electrodes 3 and a sliding channel 4. One radio frequency electrode 3 in a group of radio frequency electrodes 3 is arranged in the sliding groove 4, and the distance between the group of radio frequency electrodes 3 can be adjusted by moving the radio frequency electrodes 3 in the sliding groove 4, so that the heating depth of the group of radio frequency electrodes 3 can be adjusted.

According to the radio frequency instrument provided by the embodiment of the invention, the first surface 2 of the head is provided with at least one group of radio frequency electrodes 3 and at least one sliding groove 4, at least one of the radio frequency electrodes 3 in each group is positioned in the sliding groove 4, the radio frequency electrodes 3 can slide along the sliding groove 4, and the distance between the radio frequency electrodes 3 can be changed by adjusting the positions of the radio frequency electrodes 3 in the sliding groove 4, so that the heating depth of radio frequency signals is adjusted, the heating requirements of subcutaneous tissues at different depths are met, accurate phototherapy is realized, the use requirements of different parts of the skin of the same user and the use requirements of different users are met, and the surface temperature of the radio frequency electrodes 3 cannot be increased without increasing the radio frequency emission power, so that the skin cannot be burnt.

Optionally, each group of rf electrodes 3 is correspondingly provided with a sliding groove 4, and an extending direction of the sliding groove 4 is parallel to a connection direction of two rf electrodes 3 in the corresponding group of rf electrodes 3.

Specifically, each group of rf electrodes 3 is correspondingly provided with a sliding groove 4, one or two rf electrodes 3 of the group of rf electrodes 3 may be located in the sliding groove 4, and the distance between each group of rf electrodes 3 may be adjusted by moving the rf electrodes 3 along the sliding groove 4, thereby adjusting the heating depth of the rf signals emitted by each group of rf electrodes 3.

In addition, the extending direction of the sliding groove 4 is parallel to the connecting line direction of two radio frequency electrodes 3 in the corresponding group of radio frequency electrodes 3, so that when the radio frequency electrodes 3 are moved, the distance between the radio frequency electrodes 3 can be adjusted more quickly, the adjustment amount is easier to control, and the heating depth of radio frequency signals can be adjusted quickly and accurately.

It should be noted that multiple groups of radio frequency electrodes 3 may be arranged to correspond to multiple sliding grooves 4 one to one, and one sliding groove 4 may also be arranged to correspond to two or more groups of radio frequency electrodes 3.

Fig. 2 is a schematic structural diagram of another radio frequency instrument provided in an embodiment of the present invention, and optionally, with reference to fig. 2:

two radio-frequency electrodes 3 of a group of radio-frequency electrodes 3 are each located in a corresponding sliding groove 4.

By the arrangement, the two radio-frequency electrodes 3 in the group of radio-frequency electrodes 3 can move, the distance between the radio-frequency electrodes 3 is adjusted, the action area of a radio-frequency signal can be finely adjusted, and the skin heating requirements of different parts are better met.

Fig. 3 is a schematic structural diagram of another radio frequency instrument provided in an embodiment of the present invention, and optionally, with reference to fig. 3:

the head 1 is provided with at least two sliding grooves 4, at least part of the sliding grooves 4 being mutually crossed.

By the arrangement, after the radio-frequency electrodes 3 are moved along the sliding grooves 4, the position relation among the radio-frequency electrodes 3 is more diversified, the shapes and the positions of the action areas of the radio-frequency signals are more diversified, and the skin heating device can better adapt to skin heating requirements of different parts or different users.

Fig. 4 is a schematic structural diagram of another radio frequency instrument provided in the embodiment of the present invention, and fig. 5 is a schematic structural diagram of a radio frequency instrument with electrodes adjusted according to the embodiment of the present invention. Optionally, referring to fig. 4 and 5, the radio frequency instrument further includes:

the control circuit 5, the control circuit 5 is electrically connected with the radio frequency electrode;

the control circuit 5 is used for receiving a control instruction input by a user and adjusting the positive polarity and the negative polarity of the radio frequency electrode according to the control instruction.

Specifically, the radio-frequency instrument includes a first radio-frequency electrode 31, a second radio-frequency electrode 32, a third radio-frequency electrode 33, and a fourth radio-frequency electrode 34, as shown in fig. 4, the first radio-frequency electrode 31 and the second radio-frequency electrode 32 of the head 1 of the radio-frequency instrument are positive electrodes, the third radio-frequency electrode 33 and the fourth radio-frequency electrode 34 are negative electrodes, the first radio-frequency electrode 31 and the third radio-frequency electrode 33 may be a set of radio-frequency electrodes, a radio-frequency signal may be directed from the first radio-frequency electrode 31 to the third radio-frequency electrode 33, the second radio-frequency electrode 32 and the fourth radio-frequency electrode 34 may be a set of radio-frequency electrodes, and a radio-frequency signal may be directed from the second radio-frequency electrode 32 to the fourth radio-frequency electrode 34. Referring to fig. 5, the polarity of the rf electrode may be changed according to the heating requirement, the second rf electrode 32 is changed to a negative electrode, the third rf electrode 33 is changed to a positive electrode, the first rf electrode 31 and the second rf electrode 32 may be set as a set of positive and negative electrodes, the third rf electrode 33 and the fourth rf electrode 34 are set as a set of positive and negative electrodes, and then the active regions of the rf signal are the region B and the region D, or the first rf electrode 31 and the fourth rf electrode 34 may be set as a set of positive and negative electrodes, and the second rf electrode 32 and the third rf electrode 33 are set as a set of positive and negative electrodes, then the active regions of the rf signal are the region a and the region C.

In the embodiment, the control circuit 5 is arranged to adjust the positive polarity and the negative polarity of the radio frequency electrode according to the control instruction, so that the action area of the radio frequency signal can be flexibly adjusted, and different requirements of users are met.

It should be noted that the control circuit 5 may be disposed inside the radio frequency instrument, and may be electrically connected to the radio frequency electrode 3 through a lead wire, etc., and a hole 6, etc., may be disposed at the bottom of the sliding groove, and the lead wire may be led out from the hole 6 at the bottom of the sliding groove 5 to be electrically connected to the radio frequency electrode, and the hole 6 is sealed to protect the internal structure of the radio frequency instrument. Sealing treatment such as sealing glue can be carried out on the exposed lead and the joint of the lead and the radio-frequency electrode, so that the lead and the radio-frequency electrode are protected against water and the like. In addition, a button or the like may be provided on the radio frequency meter, and when the user clicks the button, the control circuit 5 receives a control instruction.

Fig. 6 is a schematic structural diagram of a radio frequency instrument according to an embodiment of the present invention. Alternatively, referring to fig. 6, the bottom of the sliding groove 4 is provided with a flexible material layer 7, and the radio-frequency electrode 3 is arranged on one side of the flexible material layer 7 far away from the bottom of the sliding groove 4.

The flexible material layer 7 is a material layer that can be flexibly deformed and can recover to an original appearance in time, and for example, the flexible material layer 7 may be made of polyimide or the like, which is not limited in this embodiment of the present invention. Specifically, set up flexible material layer 7 in the bottom of sliding tray 4, the user can make flexible material layer 7 deformation through pressing when using, makes sliding tray 4 bottom be certain radian for radio frequency electrode 3 can be more abundant with the contact of skin, and the comfort level is higher, and inside radio frequency energy can be more the entering skin, reduces the energy loss in the air, promotes the phototherapy effect.

Optionally, the rf electrode is a deformable electrode.

Wherein, flexible electrode can be understood as to the deformable electrode, and when the user pressed, deformation can take place for feasible variable electrode, adapts to skin fluctuation more, and more be the laminating with the contact of skin, inside the entering skin that makes radio frequency energy can be more, the energy loss of reduction in the air promoted the phototherapy effect.

Fig. 7 is a schematic structural diagram of an rf electrode according to an embodiment of the present invention, and optionally, with reference to fig. 7:

the radiofrequency electrode 3 comprises a flexible electrode body 10, the flexible electrode body 10 having a hollow cavity 20.

Wherein, the flexible electrode body 10 can adopt semiconductor or conductor material. By providing the hollow cavity 20 in the flexible electrode body 10, the flexible electrode body 10 has a thinner thickness and higher flexibility.

Optionally, a heat dissipation material 30 is disposed within the hollow cavity 20, and the heat dissipation material 30 is movable within the hollow cavity 20.

The heat dissipation material 30 is movable in the hollow cavity 20, and when the heat dissipation material 30 is in a solid state, the volume of the heat dissipation material 30 may be smaller than that of the hollow cavity, so that the heat dissipation material 30 may move in a circulating manner in the hollow cavity 20, and in addition, the heat dissipation material 30 may also be in a liquid state, and at this time, the heat dissipation material 30 may flow in a circulating manner in the hollow cavity 20.

The heat sink material 30 may include a material having a high thermal conductivity, such that the heat sink material 30 has a fast thermal conduction speed, such that the heat sink material 30 can absorb and conduct heat generated during the emission of the rf signal by the electrode body 10 fast. Through filling the heat dissipation material in the hollow cavity 20 of the electrode main body 10, the heat dissipation material 30 can move in the hollow cavity 20, so that the heat dissipation material 30 can circularly move in the hollow cavity, heat generated by the flexible electrode main body 10 can be effectively conducted and absorbed, the heat can be uniformly dispersed in the whole radio-frequency electrode 3, and the heat dissipation speed of the flexible electrode main body 10 is improved.

Optionally, the heat dissipation material includes liquid metal particles and rubber, or the heat dissipation material includes nanoparticles and a material having a first dielectric constant, or the heat dissipation material includes a phase change material; the first dielectric constant is greater than a set value, and specifically, the set value may be 30.

Specifically, the heat radiation material can be formed by mixing rubber and liquid metal particles, the rubber and the liquid metal particles have high heat conductivity, and certain electric conductivity is achieved after mixing, so that heat can be absorbed and conducted quickly, heat is uniformly dispersed, the heat radiation speed is increased, and the radio frequency emission power of the radio frequency electrode can be enhanced.

The heat dissipation material can also comprise nano particles, and the heat conductivity can be effectively increased and the heat dissipation rate can be improved by utilizing the electromagnetic effect of the surface of the nano particles.

The first dielectric constant is greater than a set value, which can be set according to the emission requirements of the radio frequency electrode head, the material having the first dielectric constant being a material having a higher dielectric constant. The nano particles and the high-dielectric-constant material are mixed and then converted into a conductor, so that the conductive effect of the radio-frequency electrode can be enhanced, and the radio-frequency emission power can be enhanced.

In addition, the heat dissipation material can also comprise a phase change material, and the phase change material can absorb a large amount of heat during phase change, so that the heat generated by the flexible electrode main body is quickly absorbed by the phase change material, and the phenomenon that the flexible electrode main body is overheated to burn the epidermis layer of a human body is avoided.

It should be understood that various forms of the flows shown above, reordering, adding or deleting steps, may be used. For example, the steps described in the present invention may be executed in parallel, sequentially, or in different orders, and are not limited herein as long as the desired results of the technical solution of the present invention can be achieved.

The above-described embodiments should not be construed as limiting the scope of the invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A radio frequency meter, comprising:

the radio-frequency electrode group comprises a head and at least one group of radio-frequency electrodes arranged on the first surface of the head, wherein each group of radio-frequency electrodes comprises two radio-frequency electrodes;

the first surface of the head is also provided with at least one sliding groove;

2. The radio frequency instrument according to claim 1, wherein:

each group of radio frequency electrodes is correspondingly provided with a sliding groove, and the extending direction of the sliding groove is parallel to the connecting line direction of two radio frequency electrodes in the corresponding group of radio frequency electrodes.

3. The radio frequency instrument according to claim 2, wherein:

two radio-frequency electrodes in one group of radio-frequency electrodes are located in the corresponding sliding grooves.

4. The radio frequency instrument according to claim 1, wherein:

the head is provided with at least two sliding grooves, and at least part of the sliding grooves are mutually crossed.

5. The radio frequency instrument of claim 1, further comprising:

a control circuit electrically connected to the radio frequency electrode;

the control circuit is used for receiving a control instruction input by a user and adjusting the positive polarity and the negative polarity of the radio-frequency electrode according to the control instruction.

6. The radio frequency instrument according to claim 1, wherein:

the bottom of sliding tray is provided with the flexible material layer, radio frequency electrode set up in the flexible material layer is kept away from one side of the bottom of sliding tray.

7. The radio frequency instrument according to claim 1, wherein:

the radio frequency electrode is a deformable electrode.

8. The radio frequency instrument of claim 7, wherein:

the radio frequency electrode includes a flexible electrode body having a hollow cavity.

9. The radio frequency instrument according to claim 1, wherein:

the hollow cavity is internally provided with a heat dissipation material which can move in the hollow cavity.

10. The radio frequency instrument of claim 9, wherein:

the heat dissipation material comprises liquid metal particles and rubber, or the heat dissipation material comprises nanoparticles and a material with a first dielectric constant, or the heat dissipation material comprises a phase change material; wherein the first dielectric constant is greater than a set value.