Radio frequency device adjusting device and adjusting method

Abstract

The invention discloses a radio frequency device adjusting device and method, the adjusting device comprises a shell, a base assembly, an integrated module, a deformation assembly and a connecting mechanism, the bottom of the base assembly is provided with a hollow structure, the integrated module is located in the shell and is provided with the connecting mechanism, one end of the connecting mechanism is connected with the integrated module, and the other end of the connecting mechanism is connected with the deformation assembly. The deformation assembly is arranged on the base assembly, and the base assembly can maintain the distance between the antenna unit and the external wearing contact surface within a first preset gap. The hollow structure of the base assembly can directly make contact with the external wearing contact surface, meanwhile, the deformation assembly can deform under heating of the integrated module and is matched with the connecting mechanism, and the deformation assembly can drive the integrated module to generate displacement relative to the hollow structure; therefore, the gap between the integrated module and the external wearing contact surface can be adjusted, and the distance between the radio frequency device and the skin can be actively and dynamically adjusted according to requirements.

Description

Technical Field

[0001] This application relates to the field of radio frequency device technology, and in particular to a radio frequency device adjustment device and adjustment method. Background Technology

[0002] With the increasing prevalence of wireless communication technology, radio frequency (RF) technology has become a key technology for wearable devices to achieve seamless connectivity, information transmission, and reception. The electromagnetic performance of RF devices is extremely sensitive to the surrounding dielectric environment. This is because human tissue has a high dielectric constant and significant loss characteristics. When RF devices are in direct contact with or too close to the skin, it can lead to problems such as resonant frequency shift, decreased radiation efficiency, impedance mismatch, and excessive specific absorption rate. Furthermore, if there is an uncontrollable air gap between the RF device and the skin, it can cause mechanical instability, signal fluctuations, and wearing discomfort. Therefore, precisely controlling the air gap between the RF device and the skin is crucial to balancing electromagnetic performance, biosafety, and wearing comfort.

[0003] Currently, common radio frequency (RF) antennas on the market, such as ceramic patch antennas and LDS antennas (3D laser-engraved antennas), ideally have an air gap of around 8mm between themselves and the skin for everyday use. This value is determined by considering multiple factors, including reducing signal absorption, controlling SAR (Specific Absorption Rate) values, stabilizing antenna performance, improving positioning accuracy, comfort, and reliability. However, for some special cases, such as positioning in remote or complex areas or accurately measuring monitoring indicators, a stable air gap of 14mm or more is required. Maintaining this value for extended periods would significantly limit the application scenarios of RF devices. Currently, the common methods for maintaining the gap between RF devices and the skin are mostly static, mainly achieved through antenna position optimization, structural elevation design, and low-dielectric-constant spacer layers. However, these gap maintenance methods generally suffer from poor environmental robustness and insufficient measurement stability.

[0004] Currently, the negative impact of the human body on radio frequency performance has been mitigated to some extent by introducing low-dielectric-constant flexible substrates (such as polyimide and TPU), three-dimensional floating structures, or stretchable antenna geometries. However, these strategies are essentially still static optimization designs and cannot adapt to different application scenarios. Moreover, existing solutions lack the ability to adjust the device-skin gap on demand, actively, and reversibly, making it difficult to actively switch between "high-performance isolation" and "stable gap." Although attempts have been made to achieve structural deformation using pneumatic cavities, electroactive polymers, or thermally responsive hydrogels, pneumatic cavities are bulky and require external pump sources, while electroactive polymers or thermally responsive hydrogels suffer from problems such as high driving voltage, short cycle life, or operating temperatures close to the limits of human tolerance, making them difficult to integrate into wearable radio frequency platforms. Summary of the Invention

[0005] This application aims to at least solve one of the aforementioned technical problems existing in the prior art. Therefore, the purpose of this application is to provide a radio frequency device adjustment apparatus and method that can solve the problem that existing radio frequency devices cannot dynamically adjust the gap between themselves and the skin, thus failing to adapt to different application scenarios.

[0006] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0007] A radio frequency device conditioning device, comprising: case; An integrated module, located inside the housing, includes an antenna unit for communication with external devices, and the integrated module has a heating function. A base assembly is disposed at the bottom of the housing. The bottom of the base assembly has a hollow structure for direct contact with the external wearable contact surface. The base assembly can maintain the distance between the antenna unit and the external wearable contact surface at a first preset gap. A deformable component is disposed on the base component. The deformable component can deform under the heating of the integrated module, thereby causing the integrated module to move relative to the hollow structure, so as to realize the gap adjustment between the integrated module and the external wearable contact surface. The connecting mechanism has one end connected to the integrated module and the other end connected to the deformable component.

[0008] According to some embodiments of this application, the integrated module further includes a packaging shell, a sensing acquisition module, a processing module, and a power supply module. The antenna unit is disposed on the top of the packaging shell, and the sensing acquisition module, the processing module, and the power supply module are disposed inside the packaging shell. The sensing and acquisition module is used to receive instructions from external devices and is connected to the processing module. One end of the power module is connected to the processing module, and the other end is connected to the connection mechanism.

[0009] According to some embodiments of this application, the connecting mechanism includes a connecting line and a wire. One end of the connecting line is connected to the surface of the encapsulation shell, and the other end is connected to the deformable component. One end of the wire is connected to the power module, and the other end is connected to the deformable component. When the deformable component deforms, it will cause the connecting line to generate a change in tension, so as to cause the encapsulation shell to move.

[0010] According to some embodiments of this application, the deformable components are provided in multiple forms and are evenly distributed on the base component around the center of the base component, and the bottom of the deformable components is fixedly connected to the base component.

[0011] According to some embodiments of this application, the deformable component is provided with a connecting ring, a deformable body and a fixing seat in sequence along the length direction. The connecting ring is connected to the connecting line, the bottom of the fixing seat is connected to the base assembly, and the fixing seat is also connected to the wire. The deformable body can deform under the heating of the integrated module.

[0012] According to some embodiments of this application, the deformable body is one of nickel-titanium alloy, polyurethane shape memory polymer, and polycaprolactone shape memory polymer.

[0013] According to some embodiments of this application, the radio frequency device adjustment device further includes two connectors, which are respectively disposed on both sides of the housing. The connectors are used to connect with the external wearable contact surface to fix the position of the housing.

[0014] According to some embodiments of this application, the upper surface of the base assembly is provided with a fixing layer, which is used to connect the deformable component and the base assembly when the deformable component does not deform, so as to avoid relative sliding between the two.

[0015] A method for adjusting a radio frequency device, applied to any one of the radio frequency device adjusting devices described in the preceding claims, comprising: After receiving the gap adjustment command, the integrated module heats the deformable component. After heating to the preset deformation temperature, the deformable component deforms and drives the integrated module to move relative to the hollow structure, so that the distance between the two is adjusted to the second preset gap. A second preset gap is set for a holding time. When the holding time ends, the deformable component returns to its initial state and drives the integrated module to move relative to the hollow structure again, so that the distance between the two falls back to the first preset gap.

[0016] According to some embodiments of this application, the first preset gap is 8 mm and the second preset gap is 14.3 mm.

[0017] The beneficial effects of this application are: This application incorporates an integrated module and a deformable component between the housing and the base assembly. The hollow structure of the base assembly allows it to directly contact the external wearable surface. Simultaneously, the deformable component deforms under the heating of the integrated module, causing the integrated module to shift relative to the hollow structure and cooperating with the connecting mechanism to adjust the gap between the integrated module and the external wearable surface. Furthermore, it can actively and dynamically adjust the distance between the radio frequency device and the skin as needed.

[0018] Additional aspects and advantages of this application 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 this application. Attached Figure Description

[0019] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This application is a three-dimensional radio frequency device conditioning device. Figure 1 .

[0020] Figure 2 This application is a three-dimensional radio frequency device conditioning device. Figure 2 .

[0021] Figure 3 This is an exploded view of the structure of the radio frequency device conditioning device of this application.

[0022] Figure 4 This is a schematic diagram of the initial state of the deformable component of this application.

[0023] Figure 5 This is a schematic diagram of the deformation state of the deformable component in this application.

[0024] Figure 6 This is a schematic diagram of the fixed base structure.

[0025] Figure 7 It is an ideal differential scanning calorimetry (DSC) curve for nickel-titanium alloys.

[0026] Figure 8 This is an exploded view of the base component structure.

[0027] Figure 9 This is a cross-sectional diagram showing the second preset gap between the antenna element and the hollow structure.

[0028] Figure 10 This is a cross-sectional diagram showing the first preset gap between the antenna element and the hollow structure.

[0029] Figure label: 100. Housing; 110. Cover; 120. First outer shell; 130. Second outer shell; 131. First connecting hole; 132. Second connecting hole; 140. Connector; 200. Base assembly; 210. Shaping bracket; 211. Shaping rod; 220. Support frame; 230. Base; 240. Hollowed-out structure; 300. Integrated module; 310. Antenna unit; 320. Encapsulation housing; 400. Deformation component; 410. Connecting ring; 420. Deformation body; 430. Fixing base; 431. Fixing hole; 500. Connecting mechanism; 510. Connecting line; 520. Wire. Detailed Implementation

[0030] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0031] In the description of this application, it should be understood that if directional descriptions are involved, such as up, down, front, back, left, right, etc., indicating the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings, it is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0032] In the description of this application, if words such as several, greater than, less than, exceeding, above, below, or within appear, "several" means one or more, "more than" means two or more, "greater than," "less than," "exceeding," etc. are understood to exclude the number itself, and "above," "below," "within," etc. are understood to include the number itself.

[0033] In the description of this application, the use of terms such as "first" and "second" is for the purpose of distinguishing technical features only, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of the technical features indicated.

[0034] In the description of this application, unless otherwise expressly defined, terms such as "setup," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this application in conjunction with the specific content of the technical solution.

[0035] Reference Figures 1 to 10 The following are specific embodiments of this application.

[0036] Depend on Figures 1 to 3As shown, this application provides a radio frequency device adjustment device, including a housing 100, a base assembly 200, an integrated module 300, a deformable assembly 400, and a connecting mechanism 500. The base assembly 200 is located at the bottom of the housing 100, and the bottom of the base assembly 200 has a hollow structure that can directly contact an external wearable contact surface (not shown). The integrated module 300 is located inside the housing 100 and includes an antenna unit 310 for communication with external devices. The integrated module 300 also has a heating function. The base assembly 200 can maintain the distance between the antenna unit 310 and the external wearable contact surface at a first preset gap. One end of the connecting mechanism 500 is connected to the integrated module 300, and the other end is connected to the deformable assembly 400. The deformation component 400 is mounted on the base component 200. The deformation component 400 can deform under the heating of the integrated module 300, thereby causing the integrated module 300 to move relative to the hollow structure, thereby adjusting the gap between the integrated module 300 and the external wearable contact surface.

[0037] Specifically, the external wearable contact surface is human skin. By adjusting the distance between the antenna unit 310 and the hollow structure, the gap between the integrated module and the external wearable contact surface can be adjusted.

[0038] By incorporating a deformable component within the housing that deforms under heating conditions, the gap between the integrated module and the external wearable contact surface can be adjusted, overcoming the problem in existing technologies that the distance between radio frequency devices and the skin cannot be actively and reversibly adjusted.

[0039] In some embodiments, the housing 100 includes a cover 110, a first outer shell 120, and a second outer shell 130. The cover 110 is disposed on top of the first outer shell 120 to cover the entire housing 100. The diameter of the cover 110 is equal to the diameter of the first outer shell 120. The diameter of the second outer shell 130 is smaller than the diameter of the first outer shell 120. The diameter of the integrated module 300 is smaller than the diameter of the second outer shell 130, so that the integrated module 300 can be fitted inside the second outer shell 130.

[0040] In some embodiments, the integrated module 300 further includes a housing 320, a sensing module (not shown), a processing module (not shown), and a power module (not shown). An antenna unit 310 is disposed on the top of the housing 320 for communication with external devices. The sensing module, processing module, and power module are disposed inside the housing 320. The sensing module receives instructions from external devices and is connected to the processing module. One end of the power module is connected to the processing module, and the other end is connected to the connection mechanism 500. The processing module processes instructions from external devices and controls the power module to start or stop heating the deformable component 400.

[0041] Specifically, in addition to health monitoring and fitness tracking, the sensor acquisition module also features voice recognition capabilities, enabling it to notify the RF device adjustment mechanism of the appropriate time for interval adjustments. The housing 320 also houses a display module, which can be used to implement other functions of the RF device, such as displaying time and heart rate.

[0042] Antenna unit 310 is a combination of a ceramic patch antenna and an LDS antenna. The ceramic patch antenna is used for GPS positioning, and the LDS antenna is used for communication and connection with external devices. Furthermore, placing antenna unit 310 on top of the enclosure 320 improves the wearing comfort of the RF device adjustment device. Specifically, the RF device adjustment device of this application is mainly used to maintain the gap between antenna unit 310 and the wearing part, such as the gap between antenna unit 310 and the skin, and this gap has two fixed values: 8mm and 14.3mm. When the antenna unit 310 is placed on top of the package housing 320, since the package housing 320 itself is 4mm thick, the design target of 8mm can be achieved when the distance between the bottom of the package housing 320 and the skin of the wearing part, that is, the distance between the package housing 320 and the hollow structure, is 4mm. If the antenna unit 310 is located inside or at the bottom of the package housing 320, the distance between the bottom of the package housing 320 and the skin of the wearing part, that is, the distance between the package housing 320 and the hollow structure, needs to be greater than 4mm to meet the design target of 8mm. An excessively large distance will reduce the wearing comfort of the RF device adjustment device.

[0043] In some embodiments, the RF device adjustment device further includes two connectors 140, each located on one side of the housing 100. The connectors 140 are used to connect to an external wearable contact surface to fix the position of the housing 100. Specifically, the connectors 140 are located on both sides of the first housing 120, with the side of the connector 140 closer to the first housing 120 having a shape that fits the housing, while the side farther from the first housing 120 has a cutout portion. This cutout portion is used to connect to an adjustable-length fluororubber strap, which is used to fix the RF device adjustment device to the wrist. The cutout portion serves as a connection point between the elastic band and the adjustment device. The cutout portion reduces the overall weight of the device.

[0044] In some embodiments, the connection mechanism 500 includes a connection line 510 and a wire 520. One end of the connection line 510 is connected to the surface of the package housing 320 and the other end is connected to the deformable component 400. One end of the wire 520 is connected to the power module and the other end is connected to the deformable component 400. When the deformable component 400 deforms, it will cause the connection line 510 to generate a change in tension, so that the package housing 320 will be displaced.

[0045] Furthermore, the second housing 130 is provided with a first connecting hole 131 and a second connecting hole 132. The first connecting hole 131 is used to provide a passage for the connecting wire 510, allowing it to pass through the second housing 130 and connect to the deformable assembly 400. The second connecting hole 132 is used to provide a passage for the wire 520, allowing it to pass through the second housing 130 and connect to the deformable assembly 400.

[0046] In some embodiments, four connecting lines 510 are provided and are evenly distributed on the encapsulation housing 320. There are eight wires 520 in total. The eight wires 520 are divided into four groups of two wires each. The position of each group corresponds to the position of the connecting lines 510. The distance between the two wires 520 in each group is 0.2mm, and they are respectively connected to the positive and negative terminals of the power module. Then, the two wires 520 are respectively connected to the bottom sides of the corresponding deformable components.

[0047] In some embodiments, the connecting wire 510 is a thin rope made of aramid fiber with a diameter of 1 mm. Aramid fiber can withstand temperatures above 200°C, has a service life of more than five years, and has a breaking elongation of 2.5% to 4.0%. Therefore, it has the characteristics of high temperature resistance, high durability and low ductility, and is an ideal medium for force transmission.

[0048] The conductor 520 has a diameter of 1 mm and consists of multiple strands of ultra-fine twisted copper wire and a silicone insulation layer to achieve good flexibility. It is distributed on the lower surface of the encapsulation housing 320.

[0049] The lengths of the connecting line 510 and the wire 520 are configured to allow the gap between the antenna element 310 and the skin to be switched between 8 mm and 14.3 mm, while ensuring that the switching state is stable.

[0050] In some embodiments, multiple deformable components 400 are provided and evenly distributed on the base component 200, and the bottom of the deformable components 400 is fixedly connected to the base component 200. Specifically, the number and position of the deformable components 400 correspond to the connecting lines 510.

[0051] Depend on Figures 4 to 6 As shown, in some embodiments, the deformable component is provided with a connecting ring 410, a deformable body 420 and a fixing seat 430 in sequence along the length direction. The connecting ring 410 is connected to the connecting line 510, the bottom of the fixing seat 430 is connected to the base assembly 200, and the fixing seat 430 is also connected to the wire 520. The deformable body 420 can deform under the heating of the integrated module 300.

[0052] The deformable body 420 is one of nickel-titanium alloy, polyurethane shape memory polymer, or polycaprolactone shape memory polymer.

[0053] Depend on Figure 7As shown, when the deformed substrate is a nickel-titanium alloy, the nickel-titanium alloy undergoes a reversible martensitic-austenitic phase transformation in the temperature range of 38°C to 50°C. 50°C is the end temperature (Af) of the austenitic phase transformation; below 38°C, the transformation to the martensitic phase is essentially complete. This phase transformation temperature range indicates that the nickel-titanium alloy is in the austenitic phase state when heated to approximately 50°C, and can completely revert to the martensitic phase state when the temperature drops below the phase transformation range.

[0054] In some embodiments, the deformable body 420 is a continuously curved structure, which can maximize the deformation of the deformable body 420, thereby compressing the overall height of the radio frequency device adjustment device and increasing the comfort of wearing the radio frequency device adjustment device.

[0055] Furthermore, the mounting base 430 has two spaced mounting holes 431. The bottom of the deformable body 420 is connected to the mounting base 430 between the two mounting holes 431. This arrangement is intended to minimize the obstruction of the mounting holes 431 by the deformable body 420, thereby allowing the entire deformable assembly 400 to be fixed on the base assembly 200.

[0056] Depend on Figure 8 As shown, in some embodiments, the base assembly 200 includes a shaping bracket 210, a support frame 220, and a base 230. The shaping bracket 210 has a hollow structure in the middle, and four shaping rods 211 are evenly arranged along the outer edge of the hollow structure. One end of the shaping rod 211 is connected to the edge of the hollow structure, and the other end is connected to the support frame 220. The support frame 220 is connected to the base 230, and the middle parts of both the support frame 220 and the base 230 are hollow structures. The diameter of the support frame 220 is smaller than the diameter of the base 230. The bottom of the fixing seat 430 is connected to the base 230. The hollow structure is formed by the hollow area created by the assembly of the shaping bracket 210, the support frame 220, and the base 230.

[0057] In some embodiments, the upper surface of the base assembly 200 is provided with a fixing layer. The fixing layer is used to connect the deformable assembly 400 to the base assembly 200 when the deformable assembly 400 is not deformed, so as to avoid relative sliding between the two. Specifically, the upper surface of the support frame 220 is provided with a fixing layer, which allows the integrated module 300 to be connected to the support frame 220 before the deformable assembly 400 deforms. If the deformable assembly 400 deforms, it allows the integrated module 300 to be separated from the support frame 220, ensuring that there is no relative sliding between the integrated module 300 and the support frame 220, and ensuring the stability of the RF device adjustment device.

[0058] This application also provides a method for processing a radio frequency device conditioning apparatus, including: Step 1: Determine the material and geometric parameters of each component: The cover 110 is made of PPMA (polymethyl methacrylate) material, with a radius of 38.7 mm and a height of 1 mm. The first outer shell 120, the second outer shell 130, the connector 140, the shaping bracket 210, the support frame 220, and the base 230 are all made of medical-grade ABS (acrylonitrile-butadiene-styrene copolymer) plastic. Among them: The first outer shell 120 is a cylindrical cavity with an outer diameter of 77.4 mm, an inner diameter of 76.4 mm, and a height of 17 mm.

[0059] The second outer shell 130 is a cylindrical cavity with an outer diameter of 69.8 mm, an inner diameter of 65.8 mm, and a height of 17 mm. There are four first connecting holes 131 and four second connecting holes 132. The diameter of the first connecting hole 131 is 1.5 mm, and the diameter of the second connecting hole 132 is 3 mm. The distance between the first connecting hole 131 and the upper surface of the second outer shell 130 is 1 mm, and the distance between the second connecting hole 132 and the upper surface of the second outer shell 130 is 9 mm.

[0060] The connector 140 has a fan-shaped shape on the side near the first housing 120 and can fit the first housing 120.

[0061] The inner ring radius of the shaping bracket 210 is 10mm, the outer ring radius is 14mm, the width of the shaping rod 211 is 4mm, and the thickness of the shaping bracket 210 is 4mm.

[0062] The support frame 220 is a cylindrical cavity with an outer diameter of 65.8 mm, an inner diameter of 59.8 mm, and a height of 4 mm. The fixing layer on the upper surface is a ring-shaped acrylic pressure-sensitive tape with an outer diameter of 64.5 mm, an inner diameter of 61 mm, and a thickness of 0.13 mm. The acrylic pressure-sensitive tape can provide an adhesion force of more than 2 N to fix the encapsulation shell 320, and can be repeatedly pasted more than 20,000 times, thus exhibiting durability.

[0063] The base 230 is a cylindrical cavity with an outer diameter of 77.4 mm, an inner diameter of 65.8 mm, and a height of 1.5 mm.

[0064] The deformable component 400 is made of nickel-titanium alloy, with an atomic percentage of 50.4 at% Ni and 49.6 at% Ti, corresponding to a mass percentage of 55.8 wt% Ni and 44.2 wt% Ti. The connecting ring 410 has an outer diameter of 2 mm, an inner diameter of 1 mm, and a thickness of 2 mm. Figure 4 and Figure 6As shown, the shaping bracket 210 is blanked from a circle with a radius of 29.9 mm. In the initial state, the height h1 of the deformable body 420 is 1.35 mm, the distance h2 between adjacent bends is 11.5 mm, the width p is 2 mm, and the thickness of the deformable body 420 is 2 mm. The fixing seat 430 is rectangular in shape and blanked from a rectangle with a length h3 of 6.4 mm and a width h5 of 2 mm. The radius of the fixing holes 431 is 0.75 mm, the distance h4 between the centers of the two fixing holes 431 is 2.9 mm, and the thickness is 1 mm. The fixing seat 430 is set to be rectangular, which can reduce the processing difficulty of nickel-titanium alloy. The deformable body 420 has a shape memory function and a phase transformation temperature of 50 ℃.

[0065] Step 2: Machining each component: First, the first outer shell 120, the second outer shell 130, the connector 140, the shaping bracket 210, the support frame 220, and the base 230 are respectively made of medical-grade ABS plastic using injection molding to achieve the above dimensions. The injection molding process error is ±0.2mm. The surfaces of these components are then roughened according to the requirements of ASTM F86, ISO 1302, and industry practice, so that the arithmetic mean roughness Ra of these six components is ≤ 0.8μm.

[0066] Then, using a 1.5mm diameter drill bit, holes are drilled at the required locations on the second housing 130, specifically at the locations of the first connecting hole 131 and the second connecting hole 132, for a total of eight holes. After drilling, the first connecting hole 131 and the second connecting hole 132 need to be mechanically polished so that the arithmetic mean roughness Ra of the eight holes is ≤0.2μm.

[0067] The cover 110 is injection molded using PPMA (polymethyl methacrylate) material. The injection molding process error is ±0.2mm. After injection molding, the cover 110 needs to be mechanically polished to ensure that its surface arithmetic mean roughness Ra≤0.15μm, thus ensuring the light transmittance of the cover 110.

[0068] Deformed component 400 is processed by ultraviolet laser cutting of a nickel-titanium alloy with a mass percentage of 55.8 wt% Ni and 44.2 wt% Ti and a precision of ±0.01 wt%. The processing error is ±0.05 mm, resulting in deformed component 400. The phase transformation temperature of the nickel-titanium alloy at this mass ratio is 50 ℃.

[0069] The pre-defined phase transition shape of the deformable body 420 includes: (1) Forming: The previously cut and formed integral nickel-titanium alloy is compressed to a temporary shape in a martensitic state (low temperature (30 ℃) and soft), i.e., in a low temperature environment of 30 ℃, where the material is in a soft state, ensuring that the connecting ring 410 and the fixing seat 430 do not change, only changing the shape of the deformable body 420. Figure 5 As shown, the height h'1 of the deformable body 420 after deformation is 5mm, the distance h'2 between adjacent bends is 0.59mm, the width p is 2mm, and the thickness is 2mm.

[0070] (2) Fixing: The nickel-titanium alloy compressed to a temporary shape is placed in a high-temperature resistant mold or fixture to force it to maintain the desired permanent memory shape, i.e. the target functional shape.

[0071] (3) Heat treatment: The nickel-titanium alloy with the target functional shape is placed in a vacuum furnace and heated to 400–550 °C. After holding for 20 minutes, it is rapidly quenched and cooled by water or air to “freeze” the crystal structure of the high-temperature austenitic phase.

[0072] Although the nickel-titanium alloy processed by the above steps is martensitic after cooling, it can be restored to its original shape in the mold once heated above the phase transformation temperature.

[0073] In this application, each component of the radio frequency device conditioning apparatus can be manufactured to other sizes in proportion.

[0074] The assembly method of the radio frequency device conditioning device of this application is as follows: according to Figure 3 The components are assembled in the order shown. The cover 110, the first outer shell 120, the connector 140, the second outer shell 130, the shaping bracket 210, the support frame 220, and the base 230 are all bonded with light-cured acrylic adhesive. A 15mm wide fluororubber strip is connected to the side of the connector 140 away from the first outer shell 120. The length is adjustable from 140mm to 210mm. This specification can cover more than 90% of user needs.

[0075] One end of the connecting wire 510 is bonded to the upper surface of the encapsulation shell 320 with light-cured acrylic adhesive, ensuring that the bonded portion is evenly distributed. Then, the other end is passed through the corresponding first connecting hole 131 in sequence. The connecting wire 510 after passing through is wrapped around the connecting ring 410. Finally, the leading-out connecting wire is bonded to itself with light-cured acrylic adhesive to form a closed loop.

[0076] One end of each pair of wires 520 in the same group is connected to the positive and negative terminals of the power module inside the encapsulation housing 320, respectively. Then, the other ends of the four groups of wires 520 are passed through the corresponding second connection holes 132 in sequence and welded to the left and right ends of the fixing seat 430 in the corresponding deformable component 400. Laser micro-beam welding is used. Before welding, the surface of the nickel-titanium alloy is cleaned by acetone + plasma treatment to ensure the reliability and consistency of the welding.

[0077] After welding, the bottom of the fixing base 430 is evenly bonded to the upper surface of the base 230 with light-cured acrylic adhesive, and finally the fixing base 230 is fastened again with screws through the fixing holes 431.

[0078] During use, the user secures the device to their wrist using an adjustable fluororubber strap. The shaping bracket 210 at the bottom of the adjustment device prevents excessive force from causing skin bulge under the casing or skin deformation due to wrist movement. This maintains a fixed air gap (8mm) between the antenna unit 310 and the skin. This gap height represents a compromise between wearing comfort, measurement accuracy, safety, and transmission efficiency, and covers more than half of the usage scenarios.

[0079] This application also provides an adjustment method for an RF device adjustment apparatus, applied to the aforementioned RF device adjustment apparatus, comprising: When users encounter situations such as poor GPS signal in remote areas or poor communication between radio frequency devices and other equipment, they need to actively adjust the air gap to improve the situation. At this time, users can directly issue voice commands to the radio frequency device adjustment device, such as "gap adjustment", "gap adjustment XX seconds / minute", "gap open" and "gap close". After the sensing module performs voice recognition, it will give corresponding feedback according to the user's command.

[0080] The main adjustment methods are: When the integrated module 300 receives the "gap adjustment" command, the sensing and acquisition module recognizes the voice and transmits it to the control module. The control module controls the power module, which powers the wire 520. At this time, the power module, the wire 520, and the deformable component 400 form a closed circuit. The deformable component 400 generates heat due to its large resistance and transfers the heat to the deformable body 420 through heat conduction. This causes the deformable body 420 to heat up to the preset deformation temperature, and the deformable component deforms. This causes the integrated module to move relative to the base component, that is, the gap between the antenna unit 310 and the hollow structure is adjusted so that the distance between them is adjusted to the second preset gap.

[0081] Specifically, the power module energizes the wire 520 and heats the four deformable bodies 420 to 50°C within one second, causing the deformable bodies 420 to contract. This causes the connecting wire 510 to pull the integrated module 300 upwards by 6.3mm, resulting in a fixed air gap of 14.3mm between the antenna element 310 and the skin. Figure 9 As shown, this improves GPS positioning accuracy or communication with other devices. After 7 seconds, the power module cuts off power to the wires, thus stopping the heating of the deformable body 420. The temperature of the deformable body 420 drops and returns to its initial state (length before deformation) within 2 seconds. At the same time, the integrated module 300 descends until its lower surface contacts the fixing layer on the upper surface of the shaping bracket 210, at which point the distance between them returns to the first preset gap. Figure 10 As shown, the first preset gap is 8mm. Since the fixing layer is a ring-shaped acrylic pressure-sensitive tape, it will adhere to the acrylic pressure-sensitive tape on the lower surface of the integrated module 300, i.e., the bottom of the encapsulation shell 320, so that the internal components of the entire RF device adjustment device will not slide relative to each other. This completes one usage process and waits to receive the next voice command.

[0082] When the gap between the antenna unit 310 and the skin is the first preset gap, it is a stable gap mode. When the gap between the antenna unit 310 and the skin is the second preset gap, it is a high-performance isolation mode. The fixed gap distance is based on the dual consideration of the wearing comfort of the radio frequency device and the performance of the radio frequency antenna. Maintaining a fixed value can increase the stability of the structure and performance of the radio frequency device.

[0083] In certain application scenarios, such as GPS navigation in complex road conditions or data transmission between RF modulation devices and other equipment, the high-performance isolation mode needs to be maintained for a longer period. In such cases, the user can give the integrated module 300 a voice command, "Gap adjustment XX seconds / minute." Upon receiving the command, the sensor module transmits it to the control module. The control module then controls the power module to energize the connecting cable 510, thereby heating the deformable body 420 until it deforms, achieving a fixed air gap of 14.3mm between the antenna unit 310 and the skin. Unlike the "gap adjustment" command, this command causes the power module to continuously heat the deformable body 420, maintaining it at 50°C for the same duration as the voice command. Heating stops only after the corresponding time has elapsed, until the integrated module 300 descends until its lower surface contacts the fixed layer on the upper surface of the shaping bracket 210. This restores the gap between the antenna unit 310 and the skin to 8mm, completing one usage cycle and preparing to receive the next voice command.

[0084] Specifically, if precise positioning is required, such as positioning near intersections where only a short period of orientation identification is needed, the heating time for the transforming body 420 is 7 seconds. If long-term positioning and navigation are required in remote areas with poor signal, the heating time can be controlled manually until the need is met.

[0085] If connection instability occurs during data transmission, the high-performance isolation mode can be enabled. Assuming a data transfer size of 100MB and an actual Bluetooth transmission rate of approximately 1Mbps, the warm-up time is 840 seconds, or 14 minutes. If the actual Wi-Fi transmission rate is approximately 100Mbps, the warm-up time is 9 seconds (rounded up from 8.4 seconds).

[0086] When high-performance isolation mode is required, if it is difficult to predict the duration of the high-performance gap in advance, a "gap open" command can be given directly, and a "gap close" command can be given after the high-performance gap mode requirement ends.

[0087] This application discloses a radio frequency device adjustment device and adjustment method. The adjustment device cooperates with an integrated module and a connecting mechanism respectively, so that the deformable component can deform under heating and can switch between a second preset gap and a first preset gap to adjust the gap between the radio frequency device and the skin, which can effectively decouple the adverse effects of human body dielectric effect on radio frequency performance.

[0088] Meanwhile, the deformable components are made of nickel-titanium alloy with a phase transition temperature of 50℃, and the gap between the fixing seat and the skin minimizes the impact of temperature on the skin. The acrylic pressure-sensitive tape can be reused 20,000 times, and the nickel-titanium alloy can withstand 10... 4 ~10 5 This cycle ensures excellent durability of the radio frequency device conditioning unit.

[0089] The adjustment method involves issuing commands to the integrated module via voice, enabling active and rapid switching between "high-performance isolation mode" and "stable gap mode." When not switching between the two modes, the 8 mm stable gap helps control SAR (Specific Absorption Rate), ensuring the product complies with international electromagnetic safety standards such as FCC and CE, avoiding health risks caused by excessive RF energy deposition; it also reduces multipath interference caused by skin reflection, improving positioning accuracy; and it facilitates sweat evaporation, heat dissipation, and reduces wearing pressure, enhancing user comfort while ensuring RF performance. When switching to the 14.3 mm "high-performance isolation mode," it offers not only fast response (response time less than 1 second), portability (no external pump source, power supply, etc.), but also ensures safety. It can also intelligently switch according to the usage scenario, providing key technical support for next-generation high-performance, high-comfort, and adaptive wearable wireless systems.

[0090] In the description of this specification, the use of terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," and "some examples" indicates that the specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0091] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A radio frequency device conditioning apparatus, characterized in that, include: case; An integrated module, located inside the housing, includes an antenna unit for communication with external devices, and the integrated module has a heating function. A base assembly is disposed at the bottom of the housing. The bottom of the base assembly has a hollow structure for direct contact with the external wearable contact surface. The base assembly can maintain the distance between the antenna unit and the external wearable contact surface at a first preset gap. A deformable component is disposed on the base component. The deformable component can deform under the heating of the integrated module, thereby causing the integrated module to move relative to the hollow structure, so as to realize the gap adjustment between the integrated module and the external wearable contact surface. The connecting mechanism has one end connected to the integrated module and the other end connected to the deformable component.

2. The radio frequency device adjustment device according to claim 1, characterized in that, The integrated module also includes a packaging shell, a sensing and acquisition module, a processing module, and a power supply module. The antenna unit is located on the top of the packaging shell, and the sensing and acquisition module, the processing module, and the power supply module are located inside the packaging shell. The sensing and acquisition module is used to receive instructions from external devices and is connected to the processing module. One end of the power module is connected to the processing module, and the other end is connected to the connection mechanism.

3. The radio frequency device adjustment device according to claim 2, characterized in that, The connection mechanism includes a connecting line and a wire. One end of the connecting line is connected to the surface of the encapsulation shell, and the other end is connected to the deformable component. One end of the wire is connected to the power module, and the other end is connected to the deformable component. When the deformable component deforms, it will cause the connecting line to generate a change in tension, thereby causing the encapsulation shell to move.

4. The radio frequency device adjustment device according to claim 1, characterized in that, The deformable components are provided in multiples and are evenly distributed on the base component around the center of the base component, and the bottom of the deformable components is fixedly connected to the base component.

5. The radio frequency device adjustment device according to claim 3, characterized in that, The deformable component is provided with a connecting ring, a deformable body and a fixing seat in sequence along its length. The connecting ring is connected to the connecting line, the bottom of the fixing seat is connected to the base assembly, and the fixing seat is also connected to the wire. The deformable body can deform under the heating of the integrated module.

6. The radio frequency device adjustment device according to claim 5, characterized in that, The deformable body is one of nickel-titanium alloy, polyurethane shape memory polymer, or polycaprolactone shape memory polymer.

7. The radio frequency device adjustment device according to claim 1, characterized in that, The radio frequency device adjustment device also includes two connectors, which are respectively located on both sides of the housing. The connectors are used to connect with the external wearable contact surface to fix the position of the housing.

8. The radio frequency device adjustment device according to claim 1, characterized in that, The upper surface of the base assembly is provided with a fixing layer, which is used to connect the deformable component and the base assembly when the deformable component does not deform, so as to avoid relative sliding between the two.

9. A method for adjusting a radio frequency device, characterized in that, An adjustment device for a radio frequency device according to any one of claims 1-8, comprising: After receiving the gap adjustment command, the integrated module heats the deformable component. After heating to the preset deformation temperature, the deformable component deforms and drives the integrated module to move relative to the hollow structure, so that the distance between the two is adjusted to the second preset gap. A second preset gap is set for a holding time. When the holding time ends, the deformable component returns to its initial state and drives the integrated module to move relative to the hollow structure again, so that the distance between the two falls back to the first preset gap.

10. The adjustment method of the radio frequency device adjustment device according to claim 9, characterized in that, The first preset gap is 8mm, and the second preset gap is 14.3mm.

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