CN217162878U - Radio frequency instrument - Google Patents

Abstract

The application provides a radio frequency instrument, which comprises a machine body assembly, a radio frequency head assembly, a PCB (printed circuit board) main board and a battery assembly, wherein the radio frequency head assembly is installed on the machine body assembly; the radio frequency head assembly comprises a positive plate, a heat conduction isolating sheet and a negative plate, wherein the heat conduction isolating sheet is arranged between the positive plate and the negative plate, and two sides of the heat conduction isolating sheet are respectively attached to the positive plate and the negative plate; the rear end of the radio frequency head assembly is provided with a radiating assembly, the radiating assembly comprises a refrigerating sheet, and the cold surface of the refrigerating sheet is attached to one of the positive plate and the negative plate. The utility model provides a radio frequency appearance adopts radiator unit to refrigerate and dispel the heat to radio frequency head subassembly, and the ice that produces of the refrigeration piece among the radiator unit is felt and is passed through negative plate, heat conduction spacing block, positive plate conduction in order and into the skin top layer, avoids the thermal inductance of roasting and the moisture loss on skin surface.

Description

Radio frequency instrument

Technical Field

The application relates to the technical field of radio frequency, in particular to a radio frequency instrument.

Background

In recent years, radio frequency technology has been widely used in the fields of medical treatment, beauty treatment, and the like. The radio frequency generates radio frequency waves at a specific subcutaneous depth, the radio frequency waves act on water molecules in the collagen, bipolar water molecules vibrate and rotate at a high speed, and heat is generated through friction, so that the effect of heating the dermal collagen is achieved.

The radio frequency therapeutic apparatus utilizes low-frequency electromagnetic waves to act on pathological change tissues of a human body, water molecules with polarity in the tissues move at a high speed to generate heat (namely endogenous heat effect), protein is solidified and inactivated at a low temperature, and finally the protein is separated through the rejection function of the body, so that the therapeutic purpose is achieved.

Radio frequency beauty is a method for remodeling collagen of human skin by outputting radio frequency energy so as to achieve the purposes of tightening the skin or removing wrinkles and the like. The radiofrequency beauty instrument outputs radiofrequency energy in a fixed single position or direction through a radiofrequency gun head which is in contact with the skin. The therapeutic action of the anti-aging radio frequency on skin tissues is mainly based on the principle of thermal stimulation, namely, energy can be uniformly transmitted to a subcutaneous deep layer through the radio frequency gun head to stimulate the synthesis of collagen and elastin and re-support a damaged fiber net before the skin is broken, so that the effects of tendering and tightening the skin are realized, and a new means is provided for anti-aging and beautifying.

A general radio frequency instrument emits radio frequency energy to act on a human body through a conductive electrode point during treatment, and in the process, the heat generated by skin tissues of the human body from inside to outside and the temperature of the conductive electrode point cause people to feel hot, and the user experience is poor. Meanwhile, the skin becomes dry and sensitive due to the fact that the moisture loss is caused by the heat of the contact surface of the radio frequency instrument and the skin in the treatment and use processes.

Disclosure of Invention

In order to solve the technical problem of existing, the application provides a radio frequency instrument, can produce the ice sensation on skin surface at the radio frequency instrument during operation, avoids roast hotness and moisture loss.

In order to achieve the above purpose, the technical solution of the embodiment of the present application is implemented as follows:

the embodiment of the application provides a radio frequency instrument, which comprises a machine body assembly, a radio frequency head assembly, a PCB (printed circuit board) main board and a battery assembly, wherein the radio frequency head assembly is installed on the machine body assembly, the PCB main board and the battery assembly are installed in the machine body assembly, and the radio frequency head assembly and the battery assembly are electrically connected to the PCB main board; the radio frequency head assembly comprises a positive plate, a heat conduction isolating sheet and a negative plate, the heat conduction isolating sheet is arranged between the positive plate and the negative plate, and two sides of the heat conduction isolating sheet are respectively attached to the positive plate and the negative plate; the rear end of the radio frequency head assembly is provided with a radiating assembly, the radiating assembly comprises a refrigeration sheet, and the cold surface of the refrigeration sheet is attached to one of the positive plate and the negative plate.

In one embodiment, the radio frequency head assembly further comprises a top cover, the top cover is attached to the other of the positive plate and the negative plate, the outer side surface of the top cover defines a working surface contacting with skin, and the top cover is a sheet structure made of heat conducting materials.

In one embodiment, the heat-conducting isolating sheet is a ceramic sheet formed by an aluminum nitride ceramic substrate or an aluminum oxide ceramic substrate, or the heat-conducting isolating sheet is a heat-conducting insulating sheet made of a heat-conducting plastic material, a glass amorphous material and a crystal crystalline material; the top cover is a ceramic sheet formed by an aluminum nitride ceramic substrate or an aluminum oxide ceramic substrate, or the top cover is a metal sheet.

In one embodiment, the refrigeration piece is a semiconductor refrigeration piece, or the refrigeration piece uses a refrigerant compression cycle for refrigeration.

In one embodiment, the positive electrode plate and the negative electrode plate are in a structure with a plurality of conductive electrode points arranged on one surface, and the positive electrode plate and the negative electrode plate are integrally formed or combined by conductive materials.

In one embodiment, the front end surface of the positive electrode conducting point on the positive plate is a plane or a curved surface, and the front end of the positive electrode conducting point is inlaid or integrally molded with a heat-conducting insulating material; the front end surface of the negative electrode conducting point on the negative plate is a plane or a curved surface, and the heat-conducting insulating material is embedded or integrally molded at the front end of the negative electrode conducting point.

In one embodiment, the heat-conducting isolating sheet and the positive plate or the negative plate are provided with through holes or slots, and a plurality of positive electrode conducting electrode points on the positive plate and a plurality of negative electrode conducting electrode points on the negative plate are arranged in a staggered mode.

In one embodiment, the radio frequency head assembly further comprises a temperature-sensing metal head and a temperature-sensing detection head, the temperature-sensing metal head is embedded in the top cover, the front end of the temperature-sensing metal head is flush with the working surface, and the temperature-sensing detection head is arranged at the rear end of the temperature-sensing metal head to detect the temperature of the temperature-sensing metal head.

In one embodiment, the heat dissipation assembly further includes a heat dissipation tooth and a fan, the heat dissipation tooth is a heat dissipation metal part, the refrigeration sheet is disposed in a corresponding groove formed on the heat dissipation tooth, and an air outlet of the fan faces a hot surface of the refrigeration sheet.

In one embodiment, the body assembly comprises a bottom shell and an upper shell which are mutually covered, the radio frequency instrument further comprises a support and a key assembly which are arranged in the body assembly, the support is fixed on the bottom shell, and the PCB mainboard and the key assembly are arranged on the support.

The radio frequency instrument at least has the following beneficial effects: the radio frequency instrument adopts the heat dissipation assembly to refrigerate and dissipate heat of the radio frequency head assembly, ice feeling generated by the refrigerating sheet in the heat dissipation assembly is conducted into the surface layer of skin through the negative plate, the heat conduction isolating sheet and the positive plate in sequence, and roasting heat feeling and water loss on the surface of the skin are avoided; in the radio frequency head assembly, the positive plate and the negative plate adopt a structure with one surface provided with a plurality of conductive electrode points, so that the skin of a treatment part can be fully covered without frequent movement during use and treatment; in the radio frequency head assembly, the positive electrode conducting electrode points and the negative electrode conducting electrode points are arranged in a staggered mode, so that large-area uniform emission of radio frequency energy is achieved, and the problem that the radio frequency energy cannot be received by a treatment surface in a balanced mode due to low use efficiency and uneven distribution of the radio frequency energy is solved.

Drawings

Fig. 1 is a schematic perspective view of a radio frequency meter according to an embodiment of the present application;

FIG. 2 is an exploded perspective view of the RF meter of FIG. 1;

fig. 3 is a schematic cross-sectional view of a radio frequency head assembly of the radio frequency instrument of fig. 1.

The elements in the figures are numbered as follows:

a body assembly 10 (among them, a bottom case 11, an upper case 12); the radio frequency head assembly 20 (wherein, the top cover 21, the positive plate 22, the heat conduction spacing sheet 23, the negative plate 24, the top mounting frame 25, the temperature sensing metal head 26, the temperature sensing detection head 27, the positive electrode conduction point 221, the negative electrode conduction point 241); a heat dissipation assembly 30 (wherein, a cooling plate 31, a heat dissipation tooth 32, and a fan 33); a PCB main board 40; a key assembly 50 (among others, keys 51, key circuit 52); a battery assembly 60 (wherein, a first battery 61, a second battery 62); a bracket 70; a radiofrequency meter 100.

Detailed Description

The technical solution of the present application is further described in detail with reference to the drawings and specific embodiments of the specification.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of implementations of the present application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The application provides a radiofrequency apparatus which emits radiofrequency electromagnetic waves to act on the surface of the skin. Referring to fig. 1 and fig. 2, a radio frequency instrument 100 according to an embodiment of the present disclosure includes a main body assembly 10, a radio frequency head assembly 20, a heat dissipation assembly 30, a PCB main board 40, a key assembly 50, a battery assembly 60, and a bracket 70, wherein the radio frequency head assembly 20 is mounted at a front end of the main body assembly 10, and the heat dissipation assembly 30, the PCB main board 40, the key assembly 50, the battery assembly 60, and the bracket 70 are disposed in the main body assembly 10. The RF head assembly 20 may generate RF waves; the heat dissipation assembly 30 is disposed at the rear end of the rf head assembly 20 to dissipate heat of the rf head assembly 20; the PCB main board 40 and the key assembly 50 are electrically connected with the radio frequency head assembly 20 so as to control the radio frequency head assembly 20; the battery assembly 60 is electrically connected with the PCB main board 40, and can supply power to the radio frequency head assembly 20 and the heat dissipation assembly 30 through the PCB main board 40; the bracket 70 is secured within the body assembly 10 to assist in the mounting of the internal components.

The body assembly 10 includes a bottom case 11 and an upper case 12 fastened to each other, and the upper case 12 covers the bottom case 11 and forms a cavity with the bottom case to accommodate the heat dissipation assembly 30, the PCB main board 40, the key assembly 50, the battery assembly 60, and the bracket 70. The front end of the body assembly 10 is formed with an opening in which the radio head assembly 20 is mounted.

Radio frequency head subassembly 20 includes top cap 21, positive plate 22, heat conduction spacing piece 23, negative plate 24, top installing frame 25, head 27 is detected to temperature sensing metal head 26 and temperature sensing, top cap 21, positive plate 22, heat conduction spacing piece 23, install in top installing frame 25 in order for negative plate 24, the equipartition has anodal conducting point 221 on the positive plate 22, the equipartition has negative pole conducting point 241 on the negative plate 24, anodal conducting point 221, negative pole conducting point 241 and temperature sensing metal head 26 all are downthehole and flush with the front end surface of top cap 21 that corresponds on embedding top cap 21.

The outer surface of the cap 21 is the working surface of the radiofrequency meter 100, which is in contact with the skin surface of the user. The top cover 21 is a sheet-like structure made of a heat conductive material.

The positive electrode plate 22 and the negative electrode plate 24 are configured to have a one-surface multi-point structure (positive electrode conductive point 221 and negative electrode conductive point 241), and are integrally molded or combined molded using a conductive material. The areas of the positive electrode plate 22 and the negative electrode plate 24 can be made into different sizes and shapes according to the needs, the number of the positive electrode conducting points 221 and the negative electrode conducting points 241 can be determined according to the needs, and the front end surfaces of the positive electrode conducting points 221 and the negative electrode conducting points 241 can be made into a plane or a curved surface. The heat conductive and insulating material is embedded or integrally molded at the poles (the front ends of the positive electrode conductive point 221 and the negative electrode conductive point 241) applied to the skin. In the illustrated embodiment, the positive electrode plate 22 is attached to the top cap 21 at the front end, and the negative electrode plate 24 is disposed at the rear end of the thermally conductive separator 23; in other embodiments, the positions of positive and negative electrode plates 22, 24 may be reversed, i.e., negative electrode plate 24 is disposed at the front end and attached to top cap 21, and positive electrode plate 22 is disposed at the rear end of thermally conductive separator 23.

The heat conductive separator 23 separates the positive electrode plate 22 and the negative electrode plate 24 from each other. The thermally conductive spacer 23 may be made of a thermally conductive and electrically insulating ceramic material, and may also be made of a thermally conductive plastic material, a glass amorphous material, a crystalline material, or the like. The positive plate 22, the negative plate 24 and the heat-conducting isolating sheet 23 are provided with through holes or slots to form the positive electrode conducting points 221 and the negative electrode conducting points 241 which are staggered, so that large-area uniform emission of radio frequency energy is achieved.

Wherein, the top cover 21 and the heat conduction spacer 23 are formed by an aluminum nitride ceramic substrate or an aluminum oxide ceramic substrate. In other embodiments, the top cover 21 may be replaced by a metal member.

A top mounting frame 25 is secured to the fuselage assembly 10 at the forward end opening. The top mounting frame 25 is a plastic member, and may be formed by injection molding using ABS or PC. The top mounting frame 25 is further provided with a stud (not shown), which is a metal member, such as an M1.4 copper stud, and is integrated with the top mounting frame 25 by hot pressing or sleeve beer after machining.

The temperature-sensitive metal head 26 is mounted on the top cover 21 flush with the working surface and is contactable with the skin surface. A temperature-sensitive detection head 27 is provided at the rear end of the temperature-sensitive metal head 26, and the temperature-sensitive detection head 27 detects the temperature of the temperature-sensitive metal head 26.

The positive plate 22, the negative plate 24 and the temperature-sensitive metal head 26 are made of stainless steel materials, are formed by a powder metallurgy process, and are subjected to Physical Vapor Deposition (PVD) surface treatment.

In order to dissipate heat of the rf head assembly 20, a heat dissipating assembly 30 is provided at a rear end of the rf head assembly 20. The heat dissipation assembly 30 comprises a refrigeration piece 31, a heat dissipation tooth 32 and a fan 33, the refrigeration piece 31 is attached to the rear end of the radio frequency head assembly 20, the heat dissipation tooth 32 and the fan 33 are arranged at the rear end of the refrigeration piece 31, and the refrigeration piece 31 is cooled.

The back of the positive plate 22 or the negative plate 24 at the rear end is laminated to refrigeration piece 31, makes low temperature pass through electrode slice (positive plate 22 or negative plate 24) and heat conduction spacing block 23 and transmit the working face (the outside surface of top cap 21) to realize the refrigeration of working face, ice compress skin when reaching the radio frequency treatment and alleviate the allergy and prevent dry efficiency. The refrigeration sheet 31 may be a semiconductor refrigeration sheet for refrigerating the rf head assembly 10, or may be a refrigerant compression cycle for refrigerating. The ice feeling effect generated by the refrigerating sheet 31 passes through the negative plate 24, the heat conducting spacer 23, the positive plate 22 and the top cover 21 in sequence, and the ice feeling effect is conducted to the human skin layer.

The heat dissipation teeth 32 are provided with corresponding grooves in which the refrigeration sheets 31 are placed. The heat dissipation teeth 32 are made of metal parts with good heat dissipation, such as brass or road alloy, and can be machined or die-cast.

The fan 33 is fixed on the PCB main board 40, and the air outlet of the fan 33 is attached to the refrigerating sheet 31 to blow away the surrounding hot air.

The PCB main board 40 is a control circuit part of the radio frequency instrument, the positive plate 22, the negative plate 24, the temperature sensing detection head 27 and the fan 33 are all electrically connected to the PCB main board 40, and the PCB main board 40 controls the positive plate 22, the negative plate 24, the temperature sensing detection head 27 and the fan 33.

The key assembly 50 comprises a key 51 and a key circuit 52, the key 51 can be made of plastic keys formed by injection molding, the plastic keys are made of materials with good elasticity such as ABS (acrylonitrile butadiene styrene), the key 51 corresponds to a trigger point on the key circuit 52, and the trigger point on the key circuit 52 can be controlled by pressing the key 51.

The battery assembly 60 includes a first battery 61 and a second battery 62, and the first battery 61 and the second battery 62 can supply different power. For example, the first battery 61 supplies power to the radio head assembly 20 (the positive electrode plate 22, the negative electrode plate 24), and the second battery 62 supplies power to the heat dissipating assembly 30 (the fan 33).

The bracket 70 is fixed on the bottom case 11, and provides a fixing point for mounting the PCB main board 40 and the key assembly 50.

The assembly process of the above described radiofrequency meter 100 is as follows:

first, the rf head assembly 10 is assembled. Fix top cap 21 on top installing frame 25 through glue, from the back side-mounting positive plate 22 of top installing frame 25 again, then put heat conduction spacer 23 in top installing frame 25, put into negative plate 24 again, at last the temperature sensing metal head 26 is through fixing to corresponding hole site again, a semi-manufactured goods just can be assembled into to radio frequency head subassembly 10 like this, it is fixed through the double-screw bolt that top installing frame 25 set up, make there can not be the clearance between top cap 21, positive plate 22, heat conduction spacer 23 and the negative plate 24. The assembled rf head assembly 10 is shown in fig. 3.

Second, the heat sink assembly 30 is assembled. The surface of the refrigeration piece 31 is coated with corresponding heat-conducting silicone grease (heat-conducting medium), and meanwhile, the back of the negative plate 24 is also coated with heat-radiating silicone grease (heat-conducting medium), then the refrigeration piece 31 is placed in a groove corresponding to the heat-radiating teeth 22 and placed on the back of the negative plate 24 together, and the refrigeration piece 31 and the heat-radiating teeth 32 are fixed on the bottom shell 11 through 2M 2.0 self-tapping screws, so that the radio frequency head assembly 20 and the heat-radiating assembly 30 are fixed with the bottom shell 11 of the machine body assembly 10, and meanwhile, each part keeps a zero clearance.

Thirdly, assembling the rest parts. The key assembly 50 is fixed on the support 70 through 1M 1.2 self-tapping screw, and the radio frequency head assembly 20 is fixed on the bottom case 11 through 4M 1.2 self-tapping screws, then the PCB main board 40 is fixed on the support 70 through two M2 self-tapping screws, then the whole is fixed on the bottom case 11 through 3M 2.0 self-tapping screws, and finally the fan 33 is fixed on the PCB main board 40 through screws or 3M glue, and the air outlet of the fan 33 is attached to the refrigeration piece 31, so that hot air can be blown away, the ice feeling generated by the refrigeration piece 31 can be transmitted to the skin layer through the metal layer and the ceramic layer, and finally the upper case 12 is fixed on the bottom case 11 through 4M 2 screws.

In the radio frequency instrument 100, the refrigerating surface of the refrigerating sheet 31 and the negative plate 24, the heat-conducting isolating sheet 23, the positive plate 22 and the top cover 21 are tightly attached to each other in sequence; the positive plate 22 and the negative plate 24 are metal pieces, and have good heat conduction; the top cover 21 and the heat conducting spacer 23 are made of aluminum nitride ceramic substrate, and have very high heat conductivity, so that the ice feeling generated by the refrigerating sheet 31 can be quickly conducted into the skin layer.

When the radio frequency instrument 100 is used, the top cover 21 is attached to the surface of skin, the radio frequency head assembly 20 and the heat dissipation assembly 30 are powered by pressing the key switch battery assembly 60 on the radio frequency instrument 100, radio frequency waves are generated when the radio frequency head assembly 20 starts to work and act on the surface of the skin, the refrigerating surface of the refrigerating sheet 31 of the heat dissipation assembly 30 is closely attached to the negative plate 24, the heat conduction isolating sheet 23, the positive plate 22 and the top cover 21 in sequence, ice generated by the refrigerating sheet 31 is quickly conducted into the skin layer through the negative plate 24, the heat conduction isolating sheet 23, the positive plate 22 and the top cover 21, the heat dissipation teeth 22 and the air outlet of the fan 33 are attached to the hot surface of the refrigerating sheet 31, so that heat on the hot surface of the refrigerating sheet 31 is blown away by hot air, heat generated from the inside to the outside of human skin tissue and heat generated by the temperature of the conductive electrode point per se can be prevented from causing the skin to be damaged due to water loss caused by the heat on the contact surface of the radio frequency instrument and the skin in the treatment and use processes And (4) sensitive to drying.

In summary, the radio frequency instrument of the application adopts the heat dissipation assembly to refrigerate and dissipate heat of the radio frequency head assembly, ice feeling generated by the refrigerating sheet in the heat dissipation assembly can be quickly conducted into the surface layer of skin through the negative plate, the heat conduction isolating sheet, the positive plate and the top cover in sequence, and roasting heat feeling and water loss on the surface of the skin are avoided; in the radio frequency head assembly, the positive plate and the negative plate adopt a structure with one surface provided with a plurality of conductive electrode points, so that the skin of a treatment part can be fully covered without frequent movement during use and treatment; in the radio frequency head assembly, the positive electrode conducting electrode points and the negative electrode conducting electrode points are arranged in a staggered mode, so that large-area uniform emission of radio frequency energy is achieved, and the problem that the radio frequency energy cannot be received by a treatment surface in a balanced mode due to low use efficiency and uneven distribution of the radio frequency energy is solved.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a radio frequency instrument, includes fuselage subassembly, radio frequency head subassembly, PCB mainboard and battery pack, the radio frequency head subassembly is installed on the fuselage subassembly, the PCB mainboard reaches battery pack installs in the fuselage subassembly, the radio frequency head subassembly battery pack electricity is connected to the PCB mainboard, its characterized in that: the radio frequency head assembly comprises a positive plate, a heat conduction isolating sheet and a negative plate, wherein the heat conduction isolating sheet is arranged between the positive plate and the negative plate, and two sides of the heat conduction isolating sheet are respectively attached to the positive plate and the negative plate; the rear end of the radio frequency head assembly is provided with a radiating assembly, the radiating assembly comprises a refrigeration sheet, and the cold surface of the refrigeration sheet is attached to one of the positive plate and the negative plate.

2. The radio frequency instrument of claim 1, wherein: the radio frequency head assembly further comprises a top cover, the top cover is attached to the other one of the positive plate and the negative plate, a working surface in contact with skin is defined on the outer side surface of the top cover, and the top cover is of a sheet structure made of heat conducting materials.

3. The radio frequency instrument of claim 2, wherein: the heat-conducting isolating sheet is a ceramic sheet formed by an aluminum nitride ceramic substrate or an aluminum oxide ceramic substrate, or the heat-conducting isolating sheet is a heat-conducting insulating sheet made of a heat-conducting plastic material, a glass amorphous material and a crystal crystalline material; the top cover is a ceramic sheet formed by an aluminum nitride ceramic substrate or an aluminum oxide ceramic substrate, or the top cover is a metal sheet.

4. The radio frequency instrument of claim 3, wherein: the refrigeration piece is a semiconductor refrigeration piece, or the refrigeration piece uses refrigerant compression circulation for refrigeration.

5. The radio frequency instrument of claim 2, wherein: the positive plate and the negative plate are of a structure with a plurality of conductive electrode points arranged on one surface, and are integrally formed or combined into a whole by adopting conductive materials.

6. The radio frequency instrument of claim 5, wherein: the front end surface of the positive electrode conducting point on the positive plate is a plane or a curved surface, and the front end of the positive electrode conducting point is embedded or integrally formed with a heat-conducting insulating material; the front end surface of the negative electrode conducting point on the negative plate is a plane or a curved surface, and the front end of the negative electrode conducting point is embedded or integrally formed with a heat-conducting insulating material.

7. The radio frequency instrument of claim 5, wherein: the heat conduction isolating sheet and the positive plate or the negative plate are provided with through holes or slots, and a plurality of positive electrode conducting electrode points on the positive plate and a plurality of negative electrode conducting electrode points on the negative plate are arranged in a staggered mode.

8. The radio frequency instrument of claim 2, wherein: the radio frequency head assembly further comprises a temperature-sensing metal head and a temperature-sensing detection head, the temperature-sensing metal head is embedded in the top cover, the front end of the temperature-sensing metal head is flush with the working surface, and the temperature-sensing detection head is arranged at the rear end of the temperature-sensing metal head to detect the temperature of the temperature-sensing metal head.

9. The radio frequency instrument of claim 1, wherein: the heat dissipation assembly further comprises heat dissipation teeth and a fan, the heat dissipation teeth are heat dissipation metal parts, the refrigeration pieces are arranged in grooves correspondingly formed in the heat dissipation teeth, and air outlets of the fan face hot faces of the refrigeration pieces.

10. The radio frequency instrument of any one of claims 1 to 9, wherein: the radio frequency instrument further comprises a support and a key assembly, wherein the support and the key assembly are arranged in the machine body assembly, the support is fixed on the bottom shell, and the PCB mainboard and the key assembly are arranged on the support.

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