CN219283168U - Radio frequency head and radio frequency beauty instrument with same - Google Patents

Abstract

The utility model provides a radio frequency head and a radio frequency beauty instrument with the same. The radio frequency head includes a housing and a light assembly. The housing has a receiving cavity and a decorative region made of a light-transmitting material. The light assembly is installed in the accommodating cavity, and the light assembly comprises a light guide plate opposite to the decoration area and a light source arranged along the peripheral side wall of the light guide plate. The light source is used for emitting light rays which are transmitted from the outer peripheral side wall of the light guide plate to the inside of the light guide plate, and the light guide plate is used for guiding the light rays to the decoration area so as to illuminate the decoration area. The radio frequency head provided by the utility model can realize the purpose of uniform light emission, thereby effectively improving the use experience of a user on the radio frequency beauty instrument.

Description

Radio frequency head and radio frequency beauty instrument with same

Technical Field

The utility model relates to the technical field of medical beauty equipment, in particular to a radio frequency head and a radio frequency beauty instrument with the same.

Background

In order to increase the user's experience, the rf cosmetic instrument is generally provided with a decorative lamp. However, the existing decorative lamps of most radio frequency beauty apparatuses, especially the large-area decorative lamps, have the problem of uneven brightness, which affects the visual effect and makes the user experience of the radio frequency beauty apparatus poor.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the radio frequency head and the radio frequency beauty instrument with the radio frequency head, and the radio frequency head achieves the purpose of uniform light emission, so that the use experience of a user on the radio frequency beauty instrument is effectively improved.

In order to achieve the above object, in one aspect, the present utility model provides a radio frequency head, including a housing and a light assembly. The radio frequency head includes a housing and a light assembly. The housing has a receiving cavity and a decorative region made of a light-transmitting material. The light assembly is installed in the accommodating cavity, and the light assembly comprises a light guide plate opposite to the decoration area and a light source arranged along the peripheral side wall of the light guide plate. The light source is used for emitting light rays which are transmitted from the outer peripheral side wall of the light guide plate to the inside of the light guide plate, and the light guide plate is used for guiding the light rays to the decoration area so as to illuminate the decoration area.

In an embodiment, at least one surface of the light guide plate in the thickness direction is provided with a light equalizing structure.

In an embodiment, the light assembly further includes a diffuse reflection layer, and at least one surface of the light guide plate in the thickness direction covers the diffuse reflection layer.

In one embodiment, the radio frequency head further comprises a control board mounted in the accommodating cavity and located at a side of the light assembly away from the decoration area, and the control board is electrically connected to the light source for supplying power to the light source.

In an embodiment, the radio frequency head further includes an electrode embedded in the decoration area and having one end extending into the accommodating cavity, and an orthographic projection of the electrode on the light guide plate is located in an area surrounded by the light source; one end of the electrode extending into the accommodating cavity penetrates through the lamplight assembly and is electrically connected with the control board, and the control board is further used for providing radio-frequency energy for the electrode.

In an embodiment, the radio frequency head further includes a temperature detecting element at least partially embedded in the decoration area and electrically connected to the control board, the temperature detecting element is used for detecting the temperature of the decoration area when the electrode outputs radio frequency energy, and the control board is further used for controlling the magnitude of the radio frequency energy output by the electrode according to the temperature detected by the temperature detecting element; the lamp light assembly is provided with a through hole at a position corresponding to the temperature detection element, and the temperature detection element is electrically connected to the control board through the through hole.

In an embodiment, the light assembly further comprises a light plate arranged on one side of the light guide plate away from the decoration area in a stacked manner, and the light source comprises a plurality of light beads which are connected to the light plate and are arranged at uniform intervals along the peripheral side wall of the light guide plate.

In an embodiment, the orthographic projection of the portion of the light guide plate for guiding light on the light plate is located in a surface of the light plate facing the light guide plate.

In an embodiment, the light source is a plurality of light strips arranged around the peripheral side wall of the light guide plate, or the light source comprises a plurality of light strips arranged at equal intervals along the peripheral side wall of the light guide plate, and each light strip extends along a part of the peripheral side wall of the light guide plate.

On the other hand, the utility model also provides a radio frequency beauty instrument, which comprises a machine body and the radio frequency head according to any embodiment, wherein the radio frequency head is arranged at one end of the machine body.

In the radio frequency head and the radio frequency beauty instrument provided by the utility model, the radio frequency head comprises the shell and the light component arranged in the shell, the light component consists of the light guide plate and the light source, the light guide plate is opposite to the light-permeable decoration area of the shell, and the light source is arranged along the peripheral side wall of the light guide plate, so that light rays emitted by the light source and transmitted from the peripheral side wall of the light guide plate to the inside of the light guide plate are projected on the light guide plate at different angles, the light guide plate is enabled to guide light uniformly, the light guide plate can further guide the light rays to the decoration area, and the decoration area is uniformly illuminated, so that the radio frequency head achieves the aim of uniform light emission, and the use experience of a user on the radio frequency beauty instrument with the radio frequency head can be effectively improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic exploded perspective view of a rf head according to an embodiment of the utility model.

Fig. 2 is a schematic view of the electrode embedded in the decorative area of the housing shown in fig. 1.

Fig. 3 is a schematic view of the assembled light assembly of fig. 1.

Fig. 4 is a schematic view of the housing of fig. 2 with a light assembly mounted within the receiving cavity.

Fig. 5 is a schematic view of the housing of fig. 4 with a control board further mounted within the receiving cavity.

Fig. 6 is a sectional view in the VI-VI direction shown in fig. 5.

Fig. 7 is a sectional view in the direction VII-VII shown in fig. 5.

Fig. 8 is a schematic structural diagram of a radio frequency cosmetic device according to an embodiment of the present utility model.

The main reference numerals:

1. a radio frequency head; 11. a housing; 111. a receiving chamber; 112. a decorative area; 113. a first positioning portion; 114. a mounting hole; 12. a light assembly; 121. a light guide plate; 1211. a light guide section; 1212. a second positioning portion; 122. a light source; 123. a lamp panel; 124. a diffuse reflection layer; 13. a control board; 14. an electrode; 2. a fuselage.

The utility model will be further described in the following detailed description in conjunction with the above-described figures.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Referring to fig. 1 to 4, an embodiment of the utility model provides a rf head 1, which includes a housing 11 and a light assembly 12 installed in the housing 11. Specifically, as shown in fig. 1 and 2, the housing 11 has a receiving chamber 111 and a decoration region 112 made of a light-transmitting material; as shown in fig. 1, 3 and 4, the light assembly 12 is mounted in the accommodating cavity 111, and the light assembly 12 includes a light guide plate 121 disposed opposite to the decoration region 112 and a light source 122 (see fig. 3) disposed along a peripheral sidewall of the light guide plate 121. The light source 122 is configured to emit light that propagates from the outer peripheral sidewall of the light guide plate 121 toward the inside of the light guide plate 121, that is, the light source 122 is a light source that emits light laterally (parallel to the direction of the surface of the light guide plate 121 in the thickness direction), and the light guide plate 121 is configured to guide the light emitted by the light source 122 to the decoration area 112 to illuminate the decoration area 112, so that some reminding interaction or striking feeling is brought to the user, and the user experience is improved.

In the rf head 1 provided by the utility model, the light assembly 12 installed in the housing 11 is composed of the light guide plate 121 and the light source 122, and the light guide plate 121 is arranged opposite to the decorative area 112 of the housing 11, and the light source 122 is arranged along the peripheral side wall of the light guide plate 121, so that the light rays emitted by the light source 122 and propagating from the peripheral side wall of the light guide plate 121 to the inside of the light guide plate 121 are projected on the light guide plate 121 at different angles, and the light guide plate 121 is further capable of guiding the light rays to the decorative area 112 uniformly, so that the decorative area 112 is uniformly illuminated, the rf head 1 achieves the purpose of uniform light emission, and the user experience of the rf cosmetic instrument with the rf head 1 can be effectively improved.

In the embodiment of the present utility model, the light guide plate 121 may be made of, but not limited to, organic glass, plastic, or polycarbonate material with high light transmittance.

It should also be noted that in the embodiments of the present utility model, the light source 122 may have different designs. Optionally, referring to fig. 1 and 3, in one embodiment of the present utility model, the light assembly 12 further includes a lamp panel 123 stacked on a side of the light guide plate 121 facing away from the decoration region 112, and the light source 122 includes a plurality of lamp beads connected to the lamp panel 123 and uniformly spaced along a peripheral sidewall of the light guide plate 121 (see fig. 3). Specifically, in the examples of fig. 1 and 3, the light source 122 includes six lamp beads uniformly spaced along the peripheral side wall of the light guide plate 121, the lamp plate 123 is a PCB board provided with a driving circuit, multiple groups of output pads and leads, each lamp bead is correspondingly connected with a group of output pads, and the leads are used for connecting a power supply, so that the lamp plate 123 can drive the multiple lamp beads to emit light laterally at different angles after the leads are connected with the power supply, so that the light guide plate 121 can uniformly guide light. Of course, in other embodiments, the number of beads included in the light source 122 may be other than six. The light beads may be, but are not limited to, LED light beads that emit white light, red light, blue light or violet light, and the light panel 123 may be, but is not limited to, an existing LED light driving panel.

Preferably, in the examples of fig. 1 and 3, the front projection of the light guiding portion 1211 of the light guiding plate 121 on the light guiding plate 123 is located in the surface of the light guiding plate 123 facing the light guiding plate 121, that is, the light guiding plate 123 covers the side of the light guiding plate 121 facing away from the decoration region 112, so that the problem of light leakage of the light beam projected on the light guiding plate 121 from the side facing away from the decoration region 112 by the light source 122 can be reduced or even avoided, so that the light beam projected on the light guiding plate 121 is maximally guided to the decoration region 112, which helps to improve the light emitting brightness of the decoration region 112 and reduce the energy consumption of the light source 122.

It will be appreciated that in another embodiment of the present utility model, the light source 122 may be a lamp strip disposed around the peripheral sidewall of the light guide plate 121 in a circle, or the light source 122 may include a plurality of lamp strips disposed at uniform intervals along the peripheral sidewall of the light guide plate 121, each of the lamp strips extending a partial distance along the peripheral sidewall of the light guide plate. The lamp strip emits light directly after being powered on, so that the lamp panel 123 can be omitted, which is beneficial to simplifying the structure of the light assembly 12. The light strip may be, but not limited to, an existing LED light strip, which is not limited thereto.

Optionally, in an embodiment of the present utility model, at least one surface of the light guide plate 121 in the thickness direction is provided with a light-equalizing structure, and/or the light assembly 12 further includes a diffuse reflection layer 124 (see fig. 1), and at least one surface of the light guide plate 121 in the thickness direction covers the diffuse reflection layer 124. Wherein the light-equalizing structure is used for improving the light guiding uniformity of the light guiding plate 121, so as to improve the light emitting uniformity of the decoration region 112; the diffuse reflection layer 124 is configured to re-reflect the light transmitted through the surface of the light guide plate 121 in the thickness direction into the light guide plate 121, that is, perform surface roughening light reflection treatment on the light guide plate 121, and implement that the light emitted by the light guide plate 121 is emitted from all angles by diffuse reflection of the light so as to improve the light efficiency. Preferably, in the example of fig. 1, the upper and lower surfaces of the light guide plate 121 in the thickness direction are both provided with the light uniforming structure and the diffuse reflection layer 124. It should be noted that, the light-equalizing structure is not limited to a microstructure (protrusion or groove) formed on the surface of the light guide plate 121 by a laser etching process, and the microstructure has a plurality of inclined planes, and may reflect and refract light, so as to increase the uniformity of the light projected by the light source 122 on the light guide plate 121, and improve the uniformity of the light guide plate 121. The action principle of the light-equalizing structure is the same as that of the existing light-equalizing structure, and the description thereof is omitted. The diffuse reflection layer 124 is not limited to the use of the existing diffuse reflection paper or film of white, red or other colors, and only needs to be able to achieve the diffuse reflection effect, which will not be described in detail.

Further, referring to fig. 1 and fig. 5 to fig. 7, in the embodiment of the utility model, the rf head 1 further includes a control board 13 installed in the accommodating cavity 111 and located at a side of the light assembly 12 facing away from the decoration region 112, and an electrode 14 embedded in the decoration region 112 and having one end extending into the accommodating cavity 111. Specifically, the control board 13 covers the light assembly 12 and is electrically connected to the light source 122 for providing power to the light source 122; the end of the electrode 14 extending into the housing cavity 111 passes through the light assembly 12 and is electrically connected to the control board 13, the control board 13 also being adapted to provide radio frequency energy to the electrode 14. In this way, when the outer surface of the decoration region 112 facing away from the accommodation cavity 111 contacts the skin, the rf head 1 can beautify the skin by the rf energy output from the electrode 14.

In the embodiment of the present utility model, the control board 13 may be a single PCB board, or may be a combination of multiple PCB boards, as long as the control board 13 can perform the functions of supplying power to the light source 122 and supplying rf energy to the electrode 14, which is not limited. In the examples of fig. 1, fig. 6 and fig. 7, the control board 13 is a combination of two PCB boards that are stacked and connected to each other, one PCB board is used to connect an energy storage module (not shown in the drawing) of the beauty instrument where the rf head 1 is located or a power supply (for example, a mains supply is connected through an adapter) outside the beauty instrument, so as to provide a power supply for the light source 122, the other PCB board is used to set a corresponding rf circuit or connect an external rf source to provide rf energy for the electrode 14, and the control board 13 implements different functions through two different PCB boards, so that the structural design of a single PCB board can be simplified, and the manufacturing difficulty is reduced. It can be understood that the structure and function of the control board 13 are substantially the same as those of the control board in the existing rf cosmetic device, so that the description thereof will be omitted.

In the embodiment of the utility model, as shown in fig. 3 and 7, the orthographic projection of the electrode 14 on the light guide plate 121 is located in the area surrounded by the light source 122, that is, the light source 122 is disposed at the periphery of the electrode 14, so that the electrode 14 can be prevented from affecting the arrangement of the light source 122 and the propagation of light, and a plurality of the electrodes 14 can be disposed as much as possible in the decoration area 112, thereby improving the effect of the rf head 1 for outputting rf energy through the plurality of the electrodes 14 to make the skin beauty. Specifically, as shown in fig. 1, 6 and 7, in one embodiment of the present utility model, the decoration region 112 is provided with a plurality of insertion holes in an array, each insertion hole is correspondingly inserted with one electrode 14, and the plurality of electrodes 14 are uniformly inserted in the decoration region 112 in a matrix, so that not only the radio frequency energy output by the radio frequency head 1 is more uniform, but also the decoration region 112 is more attractive. Of course, in other embodiments, the number of the electrodes 14 may be one, and when the number of the electrodes 14 is one, the electrodes 14 may be embedded in the central position of the decoration region 112. In the embodiment of the present utility model, the shape and the diameter of the electrode 14 may be adjusted according to actual needs, which is not limited thereto; in addition, in the embodiment of the present utility model, the light guide plate 121, the lamp plate 123 and the diffuse reflection layer 124 have first through holes at positions corresponding to each of the electrodes 14, so that a corresponding one of the electrodes 14 passes through and is electrically connected to the control board 13, and the shape of the first through holes is adapted to the shape of the electrodes 14, which is not described herein.

Further, referring to fig. 6 and 7, in the embodiment of the utility model, the rf head 1 further includes a temperature detecting element at least partially embedded in the decoration region 112 and electrically connected to the control board 13, the temperature detecting element is configured to detect a temperature of the decoration region 112 when the electrode 14 outputs rf energy, and the control board 13 is further configured to control the magnitude of the rf energy output by the electrode 14 according to the temperature detected by the temperature detecting element, so as to further control the temperature of the decoration region 112, thereby avoiding burning skin due to excessive temperature, and simultaneously, the temperature of the decoration region 112 can be controlled to be kept relatively constant, so as to increase comfort of a user. As shown in fig. 6 and 7, the decoration region 112 is provided with a mounting hole 114, and the temperature detecting element may be, but not limited to, a temperature sensor that is fitted into the mounting hole 114 through a sleeve. As shown in fig. 1, 6 and 7, the light assembly 12 is provided with a via hole at a position corresponding to the temperature detecting element, and the temperature detecting element is electrically connected to the control board 13 through the via hole. Specifically, as shown in fig. 1, the light guide plate 121, the lamp plate 123 and the diffuse reflection layer 124 are all provided with second through holes at positions corresponding to the mounting holes 114, when the light assembly 12 is assembled in the accommodating cavity 111, the second through holes on the light guide plate 121, the lamp plate 123 and the diffuse reflection layer 124 are correspondingly communicated to form the through holes, and the temperature detection element in the mounting holes 114 can be electrically connected to the control board 13 through leads.

In summary, the rf head 1 provided by the present utility model includes a housing 11, a light assembly 12 and a control board 13 mounted in a housing cavity 111 of the housing 11, and a plurality of electrodes 14 embedded in a decoration area 112 of the housing 11, wherein the light assembly 12 includes a light guide plate 121 and a light source 122, and the control board 13 is electrically connected to the light source 122 and each of the electrodes 14, respectively, so as to provide power to the light source 122 to emit light and provide rf energy to the electrodes 14, respectively, so that the rf head 1 can implement functions of decoration lamp and skin care. The light source 122 is arranged along the outer peripheral side wall of the light guide plate 121, so that light emitted by the light source 122 in the lateral direction is projected onto the light guide plate 121 at different angles, the light guide plate 121 is further enabled to uniformly guide light, the light is further guided to the decoration region 112, the decoration region 112 is uniformly illuminated, the radio frequency head 1 achieves the purpose of uniform light emission, and thus the use experience of a user on the radio frequency beauty instrument with the radio frequency head 1 can be effectively improved.

In the embodiment of the present utility model, the light assembly 12 and the control board 13 may be detachably mounted in the housing cavity 111 of the housing 11 by a threaded connection, a snap connection, or the like, which is not limited thereto. Preferably, referring to fig. 2 to 4, in one embodiment of the present utility model, a first positioning portion 113 is disposed on an inner wall of the accommodating cavity 111 of the housing 11, a second positioning portion 1212 corresponding to the first positioning portion 113 is disposed on an outer peripheral sidewall of the light guide plate 121, and the light guide plate 121 may be mounted in the accommodating cavity 111 by matching the first positioning portion 113 and the second positioning portion 1212, so as to ensure alignment of the light guide plate 121 with the decoration region 112. The engagement of the first positioning portion 113 and the second positioning portion 1212 may be, but not limited to, engagement of a positioning groove and a positioning block, which is not limited thereto.

Further, referring to fig. 8, an embodiment of the utility model further provides a radio frequency cosmetic device, which includes the radio frequency head 1 and the body 2 in any of the above embodiments, wherein the radio frequency head 1 is mounted at one end of the body 2. Wherein, optionally, the rf head 1 may be detachably connected to one end of the body 2 by a fastening connection or a threaded connection, so as to facilitate disassembly and maintenance.

The radio frequency head 1 provided by the radio frequency beauty instrument comprises all the technical schemes of all the embodiments, so that the radio frequency head 1 has at least all the beneficial effects brought by the technical schemes of the embodiments, namely, when the radio frequency beauty instrument works, the purpose of uniform light emission can be realized, and the use experience of a user on the radio frequency beauty instrument is effectively improved. For more details, reference may be made to the related contents of the rf head 1 in the foregoing embodiments, which are not described herein.

It will be appreciated that, similar to the existing rf cosmetic apparatus, the rf cosmetic apparatus provided by the present utility model may further include other functional components, such as an energy storage module installed in the body 2 and a protective cap covering the rf head 1, where the energy storage module may be electrically connected to the light source 122 of the light assembly 12 of the rf head 1 to provide power to the light source 122, and the protective cap may be covered on the rf head 1 to protect the rf head 1 when the rf cosmetic apparatus is not in use, and the specific structure of the rf cosmetic apparatus is substantially similar to that of the existing rf cosmetic apparatus, which will not be repeated herein.

In the description of the present utility model, the description with reference to the terms "embodiment," "specific embodiment," "example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A radio frequency head, comprising:

a housing having a receiving cavity and a decorative region, the decorative region being made of a light-transmissive material;

the light assembly is arranged in the accommodating cavity and comprises a light guide plate opposite to the decoration area and a light source arranged along the peripheral side wall of the light guide plate;

the light source is used for emitting light rays which are transmitted from the outer peripheral side wall of the light guide plate to the inside of the light guide plate, and the light guide plate is used for guiding the light rays to the decoration area so as to illuminate the decoration area.

2. The rf head of claim 1, wherein at least one surface of the light guide plate in a thickness direction is provided with a light equalizing structure.

3. The radio frequency head of claim 1, wherein the light assembly further comprises a diffuse reflecting layer, and wherein at least one surface of the light guide plate in a thickness direction covers the diffuse reflecting layer.

4. The rf head of claim 1 further comprising a control board mounted within the receiving cavity on a side of the light assembly facing away from the decorative area, the control board being electrically connected to the light source for powering the light source.

5. The rf head of claim 4, further comprising an electrode embedded in the decorative area and having one end extending into the receiving cavity, wherein an orthographic projection of the electrode on the light guide plate is located in an area surrounded by the light source;

one end of the electrode extending into the accommodating cavity penetrates through the lamplight assembly and is electrically connected with the control board, and the control board is further used for providing radio-frequency energy for the electrode.

6. The rf head of claim 5, further comprising a temperature sensing element at least partially embedded in the decorative area and electrically connected to the control board, the temperature sensing element configured to sense a temperature of the decorative area when the electrode outputs rf energy, the control board further configured to control an amount of rf energy output by the electrode based on the temperature sensed by the temperature sensing element;

the lamp light assembly is provided with a through hole at a position corresponding to the temperature detection element, and the temperature detection element is electrically connected to the control board through the through hole.

7. The rf head of any one of claims 1-6, wherein the light assembly further comprises a light panel disposed in a stacked relationship on a side of the light guide plate facing away from the decorative area, and the light source comprises a plurality of light beads connected to the light panel and disposed at uniform intervals along a peripheral sidewall of the light guide plate.

8. The rf head of claim 7, wherein the orthographic projection of the portion of the light guide plate for guiding light onto the lamp plate is located in a surface of the lamp plate facing the light guide plate.

9. The rf head of any one of claims 1 to 6, wherein the light source is a ring of light strips disposed around the peripheral side wall of the light guide plate, or the light source comprises a plurality of light strips disposed at uniform intervals along the peripheral side wall of the light guide plate, each of the light strips extending a partial distance along the peripheral side wall of the light guide plate.

10. A radio frequency cosmetic instrument comprising a body and a radio frequency head as claimed in any one of claims 1 to 9 mounted at one end of the body.

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