CN219375889U - Temperature detection device and radio frequency beauty equipment - Google Patents
Temperature detection device and radio frequency beauty equipment Download PDFInfo
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- CN219375889U CN219375889U CN202222466781.6U CN202222466781U CN219375889U CN 219375889 U CN219375889 U CN 219375889U CN 202222466781 U CN202222466781 U CN 202222466781U CN 219375889 U CN219375889 U CN 219375889U
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Abstract
The application provides a temperature detection device and radio frequency beauty equipment. The temperature detection device is applied to a radio frequency beauty instrument, wherein the radio frequency beauty instrument comprises N electrodes, and N is a natural number greater than 1; the N electrodes comprise at least one first electrode or at least one second electrode; a first end of the first electrode and a second end of the first electrode form a thermocouple; the second electrode is provided with a cavity for accommodating the temperature sensor; the second electrodes are distributed in a rotationally symmetrical manner around a preset geometric center; alternatively, a second electrode is located at the predetermined geometric center. The temperature sensor is accommodated in the cavity inside the electrode, the temperature sensor and the electrode form an integral structure, the complexity of the temperature detection function of the radio frequency beauty instrument can be reduced, and meanwhile, the hysteresis of the temperature sensor on the skin surface temperature detection is reduced.
Description
Technical Field
The disclosure relates to the technical field of beauty treatment equipment, in particular to a temperature detection device and radio frequency beauty treatment equipment.
Background
The radio frequency beauty instrument is an instrument for applying power radio frequency energy with specific waveform to human skin; in the beauty care process, the radio frequency electrode acts on the skin of the human body to generate radio frequency current, so that the skin of the human body flows through the conduction current and the displacement current to form internal heating, and the effect of caring the skin is achieved.
The skin area acts as a load when the electrodes contact the skin, and the electrodes formed by the positive and negative electrodes provide a high frequency alternating electrical signal to the load, delivering radio frequency energy to the deep subcutaneous tissue. When the radio frequency current passes through the epidermis to reach the dermis and is blocked by the resistance of the cell tissues, the high frequency oscillation generates heat energy to denature collagen in the dermis so as to excite an in-vivo healing mechanism to enable the elastic fiber cells to generate new collagen.
In the related art, an electrode and a temperature sensor are disposed at different positions on a housing, an end face of the electrode and a sensing end of the temperature sensor are exposed from a surface of the housing, and in a state that the radio frequency head is close to skin tissue, the sensing end of the temperature sensor contacts the skin surface, and a real-time temperature of the skin surface is measured.
However, the space of the surface of the housing is limited, and when a plurality of temperature sensors are required to be arranged, the structural complexity of the temperature detection function of the radio frequency cosmetic instrument is easily increased, and meanwhile, the end face of the electrode, the sensing end of the temperature sensor and the surface of the housing have color differences, and the appearance of the color differences affects the attractiveness of the surface of the housing.
Disclosure of Invention
In order to overcome the problems in the related art, embodiments of the present disclosure provide a temperature detection device and a radio frequency cosmetic device.
In a first aspect, a temperature detection device is provided, wherein the temperature detection device is applied to a radio frequency beauty instrument, and the radio frequency beauty instrument comprises N electrodes; n is a natural number greater than 1; the N electrodes comprise at least one first electrode or at least one second electrode; a first end of the first electrode and a second end of the first electrode form a thermocouple; the second electrode is provided with a cavity for accommodating the temperature sensor; the second electrodes are distributed in a rotationally symmetrical mode around a preset geometric center; alternatively, one of the second electrodes is located at a predetermined geometric center.
In one embodiment, the plurality of second electrodes are distributed around a preset geometric center in a rotationally symmetrical manner with the preset geometric center as a symmetry center.
In one embodiment, the cavity is located proximate to the first end face of the second electrode, and the sensing end of the temperature sensor is at least partially received in the cavity; the first end face of the second electrode is one side end face contacting the skin.
In one embodiment, the gap between the sensing end and the inner wall of the cavity is filled with a thermally conductive insulating material.
In one embodiment, the first end of the first electrode and the second end of the first electrode form a thermocouple; the first end of the first electrode corresponds to the hot end of the thermocouple; the second end of the first electrode corresponds to the cold end of the thermocouple; the first end of the first electrode and the second end of the first electrode are connected to a temperature detection circuit.
In one embodiment, a first temperature sensor and a second temperature sensor are arranged along the length direction of the first electrode; the cavity accommodates the first temperature sensor and the second temperature sensor.
In one embodiment, the preset geometric center is an electrode located at a central position of the N electrodes.
In one embodiment, the N electrodes are arranged in an annular matrix or a rectangular matrix.
In one embodiment, the type of temperature sensor includes any one of the following: thermistor sensor, thermocouple, infrared sensor, semiconductor sensor.
In a second aspect, there is provided a radio frequency cosmetic device comprising a temperature detection apparatus as described in any one of the first aspects above.
In the above scheme, the temperature detection device is applied to the radio frequency beauty instrument, the radio frequency beauty instrument comprises N electrodes, and N is a natural number larger than 1; the N electrodes comprise first electrodes; the second electrode is provided with a cavity for accommodating the temperature sensor; the second electrodes are distributed in a rotationally symmetrical manner around a preset geometric center; alternatively, the second electrode is located at a predetermined geometric center. The temperature sensor is accommodated in the cavity inside the electrode, the temperature sensor and the electrode form an integral structure, the complexity of the temperature detection function of the radio frequency beauty instrument can be reduced, and meanwhile, the hysteresis of the temperature sensor on the skin surface temperature detection is reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic structural diagram of a package structure according to an embodiment of the disclosure.
Fig. 2 is a schematic structural diagram of a package structure according to an embodiment of the disclosure.
Fig. 3 is a schematic structural diagram of a package structure according to an embodiment of the disclosure.
Fig. 4 is a schematic structural diagram of a package structure according to an embodiment of the disclosure.
Fig. 5 is a schematic structural diagram of a package structure according to an embodiment of the disclosure.
Fig. 6 is a schematic structural view of a preform according to an embodiment of the present disclosure.
Fig. 7 is a schematic structural view of a preform according to an embodiment of the present disclosure.
Fig. 8 is a schematic structural diagram of a first electrode according to an embodiment of the disclosure.
Fig. 9 is a schematic structural diagram of a second electrode according to an embodiment of the disclosure.
Fig. 10 is a diagram showing distribution diagrams of a first electrode and a second electrode according to an embodiment of the present disclosure.
Fig. 11 is an application scenario diagram of a temperature sensor provided in an embodiment of the present disclosure.
Fig. 12 is a schematic cross-sectional structure of a thermocouple provided in an embodiment of the present disclosure.
Fig. 13 is a schematic cross-sectional structure of a package structure according to an embodiment of the disclosure.
Detailed Description
The present utility model will be described in further detail with reference to the following embodiments and the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. The exemplary embodiments of the present utility model and the descriptions thereof are used herein to explain the present utility model, but are not intended to limit the utility model.
In the embodiments of the present disclosure, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate an azimuth or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, but do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
An embodiment of the present disclosure provides a package structure, as shown in fig. 1 to 4, where the package structure provided by the embodiment of the present disclosure includes: a preform 1, N electrodes 2 and a case 3; n electrode positioning holes 11 are formed in the first end face 12 of the prefabricated body 1, wherein N is a natural number larger than 1; the electrode positioning holes 11 penetrate through the first end face 12 of the preform 1, and one electrode 2 is arranged in each electrode positioning hole 11; the first end face of each electrode 2 protrudes beyond the first end face 12 of the preform 1; the first end face of each electrode 2 is flush, the first end face of the electrode 2 being the end face of the electrode 2 on the side of the skin surface. The inner side of the housing 3 encloses the first end face 12 of the preform 1, the surface of the housing 3 being flush with the first end face of each electrode 2. Exposing a first end surface of the electrode 2 on the surface of the case 3; the electrode 2 is configured to provide a radio frequency current signal and/or a microcurrent signal to skin tissue.
In practical application, the electrode 2 is used as a radio frequency electrode of a radio frequency cosmetic instrument, and the surface of the electrode 2 can be made of at least one material selected from gold, titanium and chromium; or an alloy comprising at least one of gold, titanium, chromium.
Referring to fig. 1 to 4, at least one first electrode 21 and at least one second electrode 22 may be included in the n electrodes 2; referring to fig. 4, the first end face 211 of the first electrode 21 and the first end face 221 of the second electrode 22 each protrude from the first end face 12 of the preform 1; the first end face 211 of the first electrode 21 and the first end face 221 of the second electrode 22 are both flush. Alternatively, the first end face of the electrode protrudes from the surface of the housing.
In the embodiment of the disclosure, the first end face of the electrode is an end face of the first end of the electrode, and the second end face of the electrode is an end face of the second end of the electrode.
Referring to fig. 5, the inner side of the case 3 covers the first end face 12 of the preform 1, and the surface of the case 3 is flush with the first end face of each electrode 2; the case 3 is injection molded on the first end face 12 of the preform 1 in a state where the electrode 2 is mounted on the electrode positioning hole 11 of the preform 1. Alternatively, the preform 1 is injection molded on the back surface of the case 3 in a state where the surface of the case 3 is flush with the first end surface of each electrode 2.
Referring to fig. 1 to 4, 9 electrode positioning holes 11 are provided on the preform 1, and the 9 electrode positioning holes 11 are arranged in a rectangular array. The number of the electrode positioning holes 11 is not limited in the embodiment of the present disclosure.
In the above-mentioned scheme, in the packaging structure, the electrode positioning hole 11 on the preform 1 can position the electrode 2 in advance, and the case 3 is injection molded at the first end face 12 of the preform 1 in a state that the electrode 2 is mounted on the electrode positioning hole 11 of the preform 1; alternatively, the preform 1 is injection molded on the back surface of the case 3 in a state where the surface of the case 3 is flush with the first end surface of each electrode 2. Thus, the shell 3, the prefabricated body 1 and the N electrodes 2 can be injection-molded to form a whole structure, and the first ends of the electrodes 2 can be wrapped in the material of the shell 3, so that the problem that gaps exist between the electrodes 2 and the shell 3 is solved.
In the above-mentioned scheme, the surface of casing 3 and the first terminal surface of every electrode 2 are parallel and level, like this, in the state of installing electrode 2 on the electrode locating hole 11 of preform 1, at the first terminal surface 12 injection moulding casing 3 of preform 1, can realize the roughness of electrode 2 terminal surface in packaging structure to, improve packaging structure's reliability.
Referring to fig. 1 to 4, n electrode positioning holes 11 may be arranged in an annular array or a rectangular array at the first end face 12 of the preform 1. In this way, under the condition that each electrode positioning hole 11 is provided with one electrode 2, N electrodes 2 are arranged in an array, a uniform radio frequency energy field can be generated among the electrodes 2 arranged in an array, a uniform, complete and full rectangular thermal field is formed on the surface layer of the skin, and the beauty care effect of the skin is improved.
In practical application, N electrodes 2 are arranged in an annular array or a rectangular array, when the electrodes 2 contact the skin, the skin area is used as a load, and the electrodes 2 formed by the positive electrodes 2 and the negative electrodes 2 provide high-frequency alternating current signals to the load to transfer radio-frequency energy to deep subcutaneous tissues. In this way, a uniform, complete, full rectangular thermal field or a circular thermal field can be formed on the skin surface.
Referring to fig. 1, the central region 32 of the housing surface projects outwardly to form a boss; the outer edge 31 of the housing surrounds the boss; referring to fig. 5, the central region 32 of the housing surface is provided with 9 electrodes 2; the 9 electrodes 2 are arranged in a rectangular array or an annular array. The outer edge 31 of the shell is of a light-transmitting structure; the outer edge 31 of the shell is annular; the LED light sources which are annularly arranged are arranged at the inner side of the shell and in the area close to the outer edge 31 of the shell; the LED light sources include red light sources and/or infrared light sources.
Referring to fig. 1 to 4, the outer edge 31 of the housing 3 is a light-transmitting structure; the material of the preform 1 is an opaque material or a semitransparent material; thus, when the light of the LED lamp beads sequentially passes through the soft light cover 4 and the outer edge 31 of the housing 3, the outer edge 31 of the housing 3 can form an annular uniform light emitting surface. The projected contour of the housing 3 on the plane of the first end face 12 of the preform 1 is a quadrilateral with circular arc chamfer.
The embodiment of the disclosure provides a temperature detection device, which is applied to a radio frequency beauty instrument, wherein the radio frequency beauty instrument comprises N electrodes; n is a natural number greater than 1; the N electrodes include at least one first electrode 21 and at least one second electrode 22; the second electrode 22 is provided with a cavity accommodating the temperature sensor; the plurality of second electrodes 22 are distributed in a rotationally symmetrical manner around a preset geometric center; alternatively, one second electrode 22 is located at a predetermined geometric center.
In the embodiments of the present disclosure, the polarities of the first electrode 21 and the second electrode 22 may be the same or different. For example, the first electrode 21 and the second electrode 22 are both positive electrodes; the first electrode 21 and the second electrode 22 are both negative electrodes; the first electrode 21 is a positive electrode, and the second electrode 22 is a negative electrode; the first electrode 21 is a negative electrode, and the second electrode 22 is a positive electrode.
Referring to fig. 1 and 2, the n electrodes 2 include at least one first electrode 21 and at least one second electrode 22; the second electrode 22 is provided with a conductive post and a cavity housing the temperature sensor 6; alternatively, the first end of the first electrode 21 and the second end of the first electrode 21 form a thermocouple; the first end of the first electrode 21 corresponds to the hot end of the thermocouple; the second end of the first electrode 21 corresponds to the cold end of the thermocouple; alternatively, the first temperature sensor 6 and the second temperature sensor 6 are provided along the longitudinal direction of the second electrode 212.
Referring to fig. 6 and 7, the second electrode positioning holes 112 accommodate the second electrodes 22, and the second electrode positioning holes 112 are rotationally symmetrically distributed around a preset geometric center, which is an electrode positioning hole located at a central position of the N electrode positioning holes 11. This can increase the range of the temperature area sensed by the temperature sensor 6 provided by the second electrode 22. Alternatively, the second electrode positioning hole 112 is located at a preset geometric center.
Referring to fig. 8,9 electrodes 2 are arranged in a rectangular array, and the second electrodes 22 are distributed in a rotationally symmetrical manner around a predetermined geometric center. For example, among the 9 electrodes, 4 second electrodes 22 are included, and the 4 second electrodes 22 are rotationally symmetrically distributed around the preset geometric center.
Based on the temperature sensors arranged in the 4 second electrodes 22, acquiring temperature values of 4 temperature points, wherein the 4 temperature points correspond to the positions of the 4 second electrodes 22, acquiring temperature distribution information of a temperature field based on the temperature values of the 4 temperature points, and identifying the balance degree of the temperature field according to the temperature distribution information of the temperature field. Alternatively, the second electrode positioning hole 112 is located at a preset geometric center. The preset geometric center is an electrode positioning hole positioned at the center position of the N electrode positioning holes 11.
In the above-described scheme, the preset geometric center is the center of the thermal field, and the second electrode 22 is installed at the center of the thermal field. Therefore, the temperature of the center of the thermal field can be detected in real time, the radio frequency power of the radio frequency beauty instrument can be dynamically adjusted according to the temperature value of the center of the thermal field, and the thermal field formed on the surface of the skin can be accurately controlled within a preset temperature range.
Referring to fig. 1 and 2, at least one first electrode 21 and at least one second electrode 22 may be included in the n electrodes 2; referring to fig. 9, the first end face 211 of the first electrode 21, the second end face 212 of the first electrode 21, referring to fig. 10, the second electrode 22 is provided with a conductive post 222 and a cavity 223 accommodating the temperature sensor 6, the cavity 223 accommodating the temperature sensor 6.
Referring to fig. 10, the second electrode 22 is provided with a conductive post 222 and a cavity 223 accommodating the temperature sensor 6, the cavity 223 being located close to the first end surface 221 of the second electrode 22, the sensing end 61 of the temperature sensor 6 being at least partially accommodated in the cavity 223; the gap between the sensing end 61 and the inner wall of the cavity 223 is filled with a heat conducting and insulating material, and the other end of the temperature sensor 6 is a wiring terminal 62.
In an embodiment, the second end of each electrode 2 of the N electrodes 2 is connected to a pad or pogo pin on the circuit board 5; in a state where the electrode 2 is mounted on the electrode positioning hole 11 of the preform 1, the second end surface of the first electrode 21 is close to one side of the second end surface 13 of the preform 1; referring to fig. 2, the second end face 212 of the first electrode 21 is provided with a threaded hole 213. Thus, the threaded hole provided at the second end of the first electrode 21 may be connected to the pad on the circuit board 5 by a conductive screw, and the conductive screw may sequentially pass through the pad on the circuit board 5 and the threaded hole provided at the second end of the first electrode 21.
Referring to fig. 12, a first temperature sensor 601 and a second temperature sensor 602 are provided along the length direction of the radio frequency electrode 2. The first end of the rf electrode 2 is close to the skin surface, and the skin surface can be used as a heat source for conducting heat to the rf electrode 2 in case that the temperature of the skin surface is higher than the temperature of the rf electrode. A temperature sensor 601 and a temperature sensor 602 are arranged along the length direction of the radio frequency electrode 2, wherein the distance between the first temperature sensor 601 and the second temperature sensor 602 along the heat transfer direction is d0, and the distance between the first temperature sensor 601 and the heat source (skin surface) is d1.
Referring to fig. 11, when the temperature values detected by the temperature sensors 601 and 602 are denoted as T1 and T2, respectively, the thermal field gradient between the temperature sensors 601 and 602 is (T1-T2)/d 0, and the temperature t=t1+ ((T1-T2)/d 0) at the end face of the electrode 2 is represented by d1.
Referring to fig. 11, a heat flow sensor 603 is provided at the second end surface of the electrode 2, and the temperature of the skin surface is determined based on the temperature value detected by the heat flow sensor 603.
In an embodiment, the first end of the first electrode 21 and the second end of the first electrode 21 form a thermocouple; the first end of the first electrode 21 corresponds to the hot end of the thermocouple; the second end of the first electrode 21 corresponds to the cold end of the thermocouple, and the first end of the first electrode and the second end of the first electrode are connected to a temperature detection circuit.
Referring to fig. 12, the electrode 2 is cylindrical, the surface of the electrode 2 serves as the hot end of the thermocouple, and the interior of the electrode 2 serves as the cold end of the thermocouple, so that the electrode 2 can form a thermocouple structure, and the surface of the electrode 2 and the internal lead-out terminal of the electrode 2 serve as the measuring end of the temperature detection circuit.
Referring to fig. 12, the electrode 2 is cylindrical, the first end of the electrode 2 is used as the hot end of the thermocouple, and the second end of the electrode 2 is used as the cold end of the thermocouple, so that the electrode 2 can form a thermocouple structure, and the first end of the electrode 2 and the second end of the electrode 2 are led out to serve as measuring ends of a temperature detection circuit.
In practical application, the measuring end of the thermocouple corresponds to the hot end of the thermocouple, the free end of the thermocouple corresponds to the free end of the thermocouple, a temperature difference exists between the measuring end and the free end of the thermocouple, and when a temperature gradient exists between the measuring end and the free end of the thermocouple, a thermoelectric current can be generated in a thermocouple loop.
The magnitude of the thermoelectromotive force in the thermocouple circuit is related to the conductor material constituting the thermocouple and the temperatures of the two junctions, and is independent of the shape and size of the thermocouple. The function of the control electrode is dynamically switched between two operating states, including: outputting radio frequency energy to skin tissue, and detecting the temperature of the skin surface. In a state that the electrode is controlled by the micro control unit to stop outputting the radio frequency energy, the thermoelectric current of the thermocouple loop is detected by the temperature detection circuit, and the temperature of the skin surface is determined according to the thermoelectric current of the thermocouple loop.
Based on the same technical concept, the embodiments of the present disclosure provide a radio frequency cosmetic device, including the temperature detection apparatus of any one of the above embodiments.
Referring to fig. 13, a radio frequency cosmetic device provided in an embodiment of the present disclosure includes a radio frequency assembly including: a soft mask 4, a circuit board 5 and a packaging structure; the soft light cover 4 is arranged between the packaging structure and the circuit board 5; the soft light cover 4 is of an annular light-transmitting structure; the outline of the soft light cover 4 is consistent with the outline of the packaging structure; the soft light cover is provided with a flange; the packaging structure is provided with a clamping groove, and the flange is embedded into the clamping groove on the packaging structure. In a state where the flange is fitted into the groove, a recess 59 is formed between the outer contour of the package structure and the outer contour of the soft cover, and the recess 59 is provided with a seal ring.
Referring to fig. 13, a package structure provided in an embodiment of the present disclosure includes: a preform 1, N electrodes 2 and a case 3; n electrode positioning holes 11 are formed in the first end face 12 of the preform 1, the electrode positioning holes 11 penetrate through the first end face 12 of the preform 1, and one electrode 2 is installed in each electrode positioning hole 11; the second end of each electrode 2 of the N electrodes 2 is connected to a pad or pogo pin 53 on the circuit board 5.
The foregoing description of the various embodiments is intended to emphasize the differences between the various embodiments, and the same or similar parts thereof may be referred to each other for brevity and will not be repeated herein. The features disclosed in the embodiments of the products provided by the application can be arbitrarily combined under the condition of no conflict, so as to obtain new embodiments of the products.
The above-described product embodiments are merely illustrative, and for example, the division of units is merely a logical function division, and there may be other divisions in actual implementation, such as: multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. In addition, the various components shown or discussed may be coupled or directly coupled or communicatively coupled to each other via some interface and the units may be electrically or mechanically coupled or communicatively coupled.
The description uses the phrase "in an embodiment" which may refer to one or more of the same or different embodiments. The terms "comprising," "including," "having," and the like, as used with respect to embodiments of the present disclosure, are synonymous. The ordinal adjectives "first", "second", and "third" merely indicate that different instances of like objects are being referred to, and are not intended to imply that the objects so described must be in a given sequence, either temporally, spatially, in ranking, or in any other manner.
The foregoing is merely a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. A radio frequency cosmetic device, characterized in that it comprises N electrodes; n is a natural number greater than 1;
the N electrodes comprise at least one first electrode or at least one second electrode; a first end of the first electrode and a second end of the first electrode form a thermocouple; the second electrode is provided with a cavity for accommodating the temperature sensor;
the second electrodes are distributed in a rotationally symmetrical mode around a preset geometric center; alternatively, one of the second electrodes is located at a predetermined geometric center.
2. The radio frequency cosmetic device according to claim 1, wherein the plurality of second electrodes are distributed in a rotationally symmetrical manner around a preset geometric center, with the preset geometric center as a symmetry center;
or the first electrodes encircle the preset geometric center and are distributed in a rotationally symmetrical mode by taking the preset geometric center as a symmetrical center.
3. The radio frequency cosmetic device of claim 1, wherein the cavity is positioned proximate to the first end face of the second electrode, the sensing end of the temperature sensor being at least partially housed in the cavity; the first end face of the second electrode is one side end face contacting the skin.
4. A radio frequency cosmetic device according to claim 3, wherein the gap between the sensing end and the inner wall of the cavity is filled with a thermally conductive and insulating material.
5. The radio frequency cosmetic device of claim 1, wherein the first end of the first electrode corresponds to the hot end of the thermocouple; the second end of the first electrode corresponds to the cold end of the thermocouple;
the first end of the first electrode and the second end of the first electrode are connected to a temperature detection circuit.
6. The radio frequency cosmetic device according to claim 1, wherein a first temperature sensor and a second temperature sensor are provided along a length direction of the first electrode;
the cavity accommodates the first temperature sensor and the second temperature sensor.
7. The radio frequency cosmetic device according to claim 1, wherein the preset geometric center is an electrode located at a central position of the N electrodes.
8. The radio frequency cosmetic device according to claim 1, wherein the N electrodes are arranged in an annular matrix arrangement or a rectangular matrix arrangement.
9. The radio frequency cosmetic device according to claim 1, characterized in that the type of temperature sensor comprises any one of the following: thermistor sensor, thermocouple, infrared sensor, semiconductor sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222466781.6U CN219375889U (en) | 2022-09-16 | 2022-09-16 | Temperature detection device and radio frequency beauty equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222466781.6U CN219375889U (en) | 2022-09-16 | 2022-09-16 | Temperature detection device and radio frequency beauty equipment |
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| CN219375889U true CN219375889U (en) | 2023-07-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116807730A (en) * | 2023-08-24 | 2023-09-29 | 深圳市宗匠科技有限公司 | Beauty instrument, temperature self-adaptive detection method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116807730A (en) * | 2023-08-24 | 2023-09-29 | 深圳市宗匠科技有限公司 | Beauty instrument, temperature self-adaptive detection method and device |
| CN116807730B (en) * | 2023-08-24 | 2023-11-21 | 深圳市宗匠科技有限公司 | Beauty instrument, temperature self-adaptive detection method and device |
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