A self-adjusting massager

Abstract

This invention relates to the field of massage device technology, and more particularly to a self-adjusting massage device, comprising: a main body; a power module connected to the main body for providing massage pressure; a massage module connected to both the main body and the power module, which simulates massage movements by applying pressure and rotational force to the skin; a detection module for measuring the skin indentation depth, actual skin temperature, maximum volume of the massage head, and airflow velocity at the pressing position; and a control module for adjusting the volume of inflated gas according to the skin indentation depth, or adjusting the motor torque according to the actual skin temperature, or initially adjusting the standard rotation frequency according to the maximum volume of the massage head, and then further adjusting the standard rotation frequency according to the airflow velocity at the pressing position. This invention improves the accuracy of the massage device.

Description

Technical Field

[0001] This invention relates to the field of massage device technology, and more particularly to a self-adjusting massage device. Background Technology

[0002] This massager is an upgraded version of the massage device, a new generation of health care equipment developed based on physics, bionics, bioelectricity, traditional Chinese medicine, and years of clinical practice. It boasts a variety of simulation functions, allowing you to truly experience acupuncture, tuina, massage, percussion, cupping, scraping, slimming, immune regulation, detoxification, stress relief, improved blood circulation, and treatment of joint pain, among other benefits.

[0003] Chinese Patent Publication No. CN208388980U discloses a handheld hot and cold massager, comprising the following steps: a pressing head, an upper cover, a motor, a mainboard PCB, and a lower cover. The pressing head is located on the upper cover, and the motor and mainboard PCB are located within the cavity formed by the upper and lower covers. The handheld hot and cold massager also includes a handle, a crankshaft connecting rod module, a vibration heat dissipation bracket, and a massage head. The handle is located between the upper and lower covers. The crankshaft connecting rod module is connected to the motor, and the lower part of the crankshaft connecting rod module is connected to the vibration heat dissipation bracket, which in turn is connected to the massage head. A heating and cooling chip and a temperature sensor are also provided between the vibration heat dissipation bracket and the massage head. It features both hot and cold massage functions, enhancing massage efficacy and experience. It has dual temperature sensors and an intelligent temperature control system, improving massage experience and safety. Five levels of vibration massage intensity can be freely adjusted to suit different user needs. However, it is evident that the handheld hot and cold massager suffers from problems such as reduced temperature detection accuracy due to inaccurate adjustment of the standard rotation frequency and reduced pressing accuracy due to inaccurate gas volume. Summary of the Invention

[0004] Therefore, the purpose of this invention is to provide a self-adjusting massager to overcome the problems of reduced temperature detection accuracy due to inaccurate adjustment of the standard rotation frequency and reduced pressure accuracy due to inaccurate gas volume in the prior art.

[0005] To achieve the above objectives, the present invention provides a self-adjusting massager, comprising: a main body; a power module connected to the main body for providing massage pressure, including a motor connected to the main body for providing rotational power to the base, a connecting rod connected to the motor for transmitting rotational torque to the corresponding massage position, and an air pump connected to the massage head for inflating and deflating the massage head.

[0006] A massage module, connected to both the main body and the power module, simulates massage movements by applying pressure and rotational force to the skin. It includes several massage heads connected to the base for massaging corresponding areas, each massage head including a gas cushioning element to buffer the hardness of the massage head. A detection module, also connected to both the main body and the massage module, includes a distance sensor connected to the base for detecting skin depression depth, a laser displacement sensor connected to the base for measuring the diameter of the massage heads, and a temperature sensor connected to the main body for detecting the actual skin temperature. An air velocity sensor is disposed between the distance sensor and the laser displacement sensor to detect the air velocity at the pressing position; a control module, which is connected to the power module, the massage module and the detection module respectively, is used to adjust the volume of the inflated gas when the accuracy of the pressing is determined to be below the allowable range based on the skin indentation depth, or to adjust the motor torque when the pressing effectiveness is determined to be below the allowable range based on the actual skin temperature, or to perform an initial adjustment of the standard rotation frequency based on the maximum volume of the massage head, and to perform a secondary adjustment of the standard rotation frequency based on the air velocity at the pressing position.

[0007] Furthermore, the control module determines that the accuracy of the pressure is below the allowable range under either a preset first indentation depth condition or a preset second indentation depth condition.

[0008] The control module initially determines that the effectiveness of the press is below the allowable range under the preset first indentation depth condition, and then makes a second determination on the effectiveness of the press based on the actual skin temperature.

[0009] The control module redetermines the single inflation volume of the air pump under the preset second depression depth condition.

[0010] Furthermore, the preset first depression depth condition is that the skin depression depth is greater than the preset first depression depth and less than or equal to the preset second depression depth; the preset second depression depth condition is that the skin depression depth is greater than the preset second depression depth; and the preset first depression depth is less than the preset second depression depth.

[0011] Furthermore, the single inflation volume of the air pump is re-determined by the difference between the skin depression depth and the preset second depression depth.

[0012] Furthermore, the control module, under either a preset first temperature condition or a preset second temperature condition, determines a second time that the effectiveness of the press is below the allowable range, wherein...

[0013] The control module initially determines that the aging degree of the main material exceeds the allowable range under the preset first temperature condition, and then makes a second determination on the aging degree of the main material based on the maximum volume of the massage head.

[0014] The control module adjusts the motor torque under the preset second temperature condition;

[0015] The preset first temperature condition is that the actual skin temperature is greater than the preset first temperature and less than or equal to the preset second temperature; the preset second temperature condition is that the actual skin temperature is greater than the preset second temperature; and the preset first temperature is less than the preset second temperature.

[0016] Furthermore, the control module is provided with several adjustment methods to reduce the motor torque based on the difference between the actual skin temperature and the preset second temperature under the preset second temperature condition, wherein each torque adjustment method has a different adjustment range for reducing the motor torque.

[0017] Furthermore, the control module, under preset volume conditions, secondarily determines that the aging degree of the main material exceeds the allowable range, and performs an initial adjustment to the standard rotation frequency.

[0018] The preset volume condition is that the maximum volume of the massage head is greater than the preset volume.

[0019] Furthermore, the control module is provided with several adjustment methods that increase the standard rotation frequency based on the difference between the maximum volume of the massage head and the preset volume under the preset volume condition, wherein each frequency adjustment method has a different adjustment range for increasing the standard rotation frequency.

[0020] Furthermore, the control module determines that the accuracy of temperature detection does not meet the requirements under the preset flow rate conditions, and performs a secondary adjustment of the standard rotation frequency based on the airflow velocity at the pressing position.

[0021] The preset flow rate condition is that the air flow rate at the pressing position is greater than the preset flow rate.

[0022] Furthermore, the control module is provided with several adjustment methods to reduce the standard rotation frequency based on the difference between the air flow rate at the pressing position and the preset flow rate under the preset flow rate condition, wherein each frequency adjustment method has a different adjustment range for reducing the standard rotation frequency.

[0023] Compared with the prior art, the beneficial effects of the present invention are as follows: the massager of the present invention, by setting up a main body, a power module, a massage module, a detection module, and a control module, reduces the impact of insufficient gas volume on the skin depression depth by adjusting the volume of the injected gas according to the skin depression depth under a preset second depression depth condition; reduces the reduction in pressing effectiveness caused by unstable connecting rods by adjusting the motor torque according to the actual skin temperature under a preset second temperature condition; and further improves the pressing accuracy of the massager by adjusting the standard rotation frequency according to the maximum volume of the massage head under a preset volume condition, reducing the impact of excessively low standard rotation frequency on material aging.

[0024] Furthermore, the massager of the present invention, by setting a preset first depression depth and a preset second depression depth, determines the accuracy of the pressure by the skin depression depth and adjusts the volume of the inflated gas, thereby reducing the impact of insufficient gas volume on the accuracy of the pressure and further improving the pressure accuracy of the massager.

[0025] Furthermore, the massager of the present invention, by setting a preset first temperature and a preset second temperature, determines the effectiveness of the pressing based on the actual skin temperature and adjusts the torque of the motor, thereby reducing the impact of the unstable connecting rod on the effectiveness of the pressing and further improving the pressing accuracy of the massager.

[0026] Furthermore, the massager of the present invention reduces the impact of excessively low standard rotation frequency on the degree of material aging by setting a preset volume, judging the degree of material aging based on the maximum volume of the massage head, and adjusting the standard rotation frequency, thereby further improving the massager's pressure accuracy.

[0027] Furthermore, the massager of the present invention sets a preset flow rate, determines the accuracy of temperature detection based on the air flow rate at the pressing position, and performs secondary adjustment on the standard rotation frequency, thereby reducing the impact of excessively high standard rotation frequency on the accuracy of temperature detection and further improving the pressing accuracy of the massager. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of the self-adjusting massager according to an embodiment of the present invention;

[0029] Figure 2 This is a block diagram of the overall structure of the self-adjusting massager according to an embodiment of the present invention;

[0030] Figure 3 This is a schematic diagram of the connection structure between the base and the motor and the massage head and the stepper motor in the self-adjusting massager of this embodiment of the invention.

[0031] Figure 4 : This is a detailed structural diagram of the massage module in the self-adjusting massager of this invention. Detailed Implementation

[0032] To make the objectives and advantages of the present invention clearer, the present invention will be further described below with reference to embodiments; it should be understood that the specific embodiments described herein are merely for explaining the present invention and are not intended to limit the present invention.

[0033] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0034] Please see Figure 1 , Figure 2 , Figure 3 as well as Figure 4 The figures shown are, respectively, a schematic diagram of the overall structure of the self-adjusting massager, a block diagram of the overall structure of the self-adjusting massager, a schematic diagram of the connection structure between the base and the motor and the massage head and the stepper motor in the self-adjusting massager, and a detailed structural diagram of the massage module. The present invention provides a self-adjusting massager, comprising:

[0035] Main body 5;

[0036] The power module, which is connected to the main body 5, is used to provide massage pressure. It includes a motor 12 connected to the main body to provide rotational power to the base, a connecting rod 10 connected to the motor 12 to transmit rotational torque to the corresponding massage position, and an air pump 4 connected to the massage head 1 to perform inflation and deflation operations on the massage head.

[0037] The massage module is connected to the main body 5 and the power module respectively, and is used to simulate massage action by applying pressure and rotational force to the skin. It includes a plurality of massage heads 1 connected to the base 3 for massaging corresponding positions. The massage head includes a gas buffer element 11 for buffering the hardness of the massage head.

[0038] The detection module, which is connected to the main body and the massage module respectively, includes a distance sensor 2 connected to the base for detecting the depth of skin depression, a laser displacement sensor 8 connected to the base for measuring the diameter of the massage head, a temperature sensor 6 connected to the main body 5 for detecting the actual skin temperature, and an air velocity sensor 9 disposed between the distance sensor 2 and the laser displacement sensor 8 for detecting the air velocity at the pressing position.

[0039] The control module, which is connected to the power module, the massage module, and the detection module, is used to adjust the volume of the inflated gas when the accuracy of the pressure is determined to be below the allowable range based on the skin indentation depth; or to adjust the motor torque when the effectiveness of the pressure is determined to be below the allowable range based on the actual skin temperature; or to make an initial adjustment to the standard rotation frequency based on the maximum volume of the massage head 1; and to make a secondary adjustment to the standard rotation frequency based on the airflow velocity at the pressure position.

[0040] Specifically, the control module can be a central control processor, PLC controller, or microprocessor that has logic judgment function, system parameter adjustment function, and status judgment function.

[0041] Specifically, the temperature sensor 6 measures temperature using infrared thermometry.

[0042] Specifically, the massage module also includes graphene connected to the massage head for applying heat to the corresponding massage points. The heat application has two temperature settings: 37°C and 43°C. When the graphene is subjected to an electric current, due to its very low resistance, the current will create a large electron flow density in the graphene, causing the graphene to heat up. The heat from the graphene is then transferred to the massage head to achieve the heat application.

[0043] Specifically, the power module further includes a stepper motor 13 connected to the main body to provide rotational force for the massage head, and a first connecting rod 14 connected to the stepper motor to transmit the rotational torque to the corresponding massage head 3. The rotation of the massage head is used to knead and press the corresponding massage position, and the rotation of the base is used to move the massage position of the massage head within the revolution range of the base.

[0044] Specifically, the standard rotation frequency is the revolution frequency of the base 3.

[0045] Specifically, the power module also includes a frequency converter connected to the motor, which adjusts the standard rotational frequency by regulating the motor's operating frequency and adjusts the motor torque by changing the motor voltage.

[0046] Specifically, the formula for calculating the volume of the massage head 1 is as follows:

[0047]

[0048] Where Q is the volume of the massage head, d is the diameter of the massage head, and π is the mathematical constant pi.

[0049] Specifically, the method for detecting the depth of skin depression is to use a distance sensor to detect the change in distance between the base of the massager and the skin during the massage process to detect the depth of skin depression.

[0050] Specifically, the method for measuring the diameter of the massage head is as follows: when a laser beam irradiates the surface of an object, the laser beam will undergo different degrees of reflection, diffuse reflection, absorption, etc. due to factors such as the shape and color of the object's surface, and will be received by a sensor and converted into an electrical signal output. The laser displacement sensor processes this electrical signal to obtain the diameter of the massage head.

[0051] The massager of this invention comprises a main body 5, a power module, a massage module, a detection module, and a control module. By adjusting the volume of inflated gas according to the skin's depression depth under a preset second depression depth condition, the impact of insufficient gas volume on the skin's depression depth is reduced. By adjusting the motor torque under a preset second temperature condition, the reduced effectiveness of the massage is reduced due to instability of the connecting rod. By adjusting the standard rotation frequency according to the maximum volume of the massage head under a preset volume condition, the impact of excessively low standard rotation frequency on material aging is reduced, further improving the massager's pressure accuracy.

[0052] Please continue reading. Figure 2 As shown, the control module determines that the accuracy of the press is below the allowable range under either a preset first indentation depth condition or a preset second indentation depth condition.

[0053] The control module initially determines that the effectiveness of the press is below the allowable range under the preset first indentation depth condition, and then makes a second determination on the effectiveness of the press based on the actual skin temperature.

[0054] The control module redetermines the single inflation volume of the air pump under the preset second depression depth condition.

[0055] Please continue reading. Figure 2 As shown, the preset first depression depth condition is that the skin depression depth is greater than the preset first depression depth and less than or equal to the preset second depression depth; the preset second depression depth condition is that the skin depression depth is greater than the preset second depression depth; and the preset first depression depth is less than the preset second depression depth.

[0056] Please continue reading. Figure 2 As shown, the single inflation volume of the air pump is re-determined by the difference between the skin depression depth and the preset second depression depth.

[0057] Specifically, if △M≤△M0, the control module uses a preset first volume adjustment coefficient to adjust the volume of the injected gas to the first volume;

[0058] If △M>△M0, the control module uses a preset second volume adjustment coefficient to adjust the volume of the injected gas to the second volume.

[0059] Specifically, the skin depression depth is denoted as M, the preset first depression depth is denoted as M1, the preset second depression depth is denoted as M2, the difference between the skin depression depth and the preset second depression depth is denoted as ΔM, ΔM = M2 - M is set, ΔM0 is the preset depression depth difference, the preset first volume adjustment coefficient is denoted as α1, the preset second volume adjustment coefficient is denoted as α2, where 1 < α1 < α2, M1 < M2, the volume of the gas filled is denoted as E, the adjusted volume of the gas filled is denoted as E', E' = E × (1 + αh) / 2 is set, where αh is the preset h-th gas volume adjustment coefficient, and h = 1, 2 is set.

[0060] The massager of the present invention determines the accuracy of the pressure by setting a preset first depression depth and a preset second depression depth, and adjusts the volume of the inflated gas to reduce the impact of insufficient gas volume on the accuracy of the pressure, thereby further improving the accuracy of the massager.

[0061] Please continue reading. Figure 2 As shown, the control module, under either a preset first temperature condition or a preset second temperature condition, determines a second time that the effectiveness of the press is below the allowable range.

[0062] The control module initially determines that the aging degree of the main material exceeds the allowable range under the preset first temperature condition, and then makes a second determination on the aging degree of the main material based on the maximum volume of the massage head.

[0063] The control module adjusts the motor torque under the preset second temperature condition;

[0064] The preset first temperature condition is that the actual skin temperature is greater than the preset first temperature and less than or equal to the preset second temperature; the preset second temperature condition is that the actual skin temperature is greater than the preset second temperature; and the preset first temperature is less than the preset second temperature.

[0065] Please continue reading. Figure 2 As shown, the control module has several adjustment methods to reduce the motor torque based on the difference between the actual skin temperature and the preset second temperature under the preset second temperature condition, wherein each torque adjustment method has a different adjustment range for reducing the motor torque.

[0066] Specifically, the first torque adjustment method is that if △G≤△G0, the control module uses a preset second torque adjustment coefficient to adjust the motor torque to the first torque;

[0067] The second torque adjustment method is that if △G>△G0, the control module uses a preset first torque adjustment coefficient to adjust the motor torque to the second torque.

[0068] Specifically, the actual skin temperature is denoted as G, the preset first temperature is denoted as G1, the preset second temperature is denoted as G2, the difference between the actual skin temperature and the preset second temperature is denoted as ΔG, and ΔG = G - G2 is set, ΔG0 is the preset temperature difference, the preset first torque adjustment coefficient is denoted as γ1, the preset second torque adjustment coefficient is denoted as γ2, where 0 < γ1 < γ2 < 1, G1 < G2, the motor torque is denoted as T, the adjusted motor torque is denoted as T', and T' = T × (2 + γp) / 3 is set, where γp is the preset p-th torque adjustment coefficient, and p = 1, 2 is set.

[0069] The massager of the present invention, by setting a preset first temperature and a preset second temperature, determines the effectiveness of the massage based on the actual skin temperature and adjusts the torque of the motor, thereby reducing the impact of unstable connecting rods on the effectiveness of the massage and further improving the massager's massage accuracy.

[0070] Please continue reading. Figure 2 As shown, the control module, under preset volume conditions, makes a secondary determination that the aging degree of the main material exceeds the allowable range, and performs an initial adjustment to the standard rotation frequency.

[0071] The preset volume condition is that the maximum volume of the massage head is greater than the preset volume.

[0072] Please continue reading. Figure 2 As shown, the control module has several adjustment methods that increase the standard rotation frequency based on the difference between the maximum volume of the massage head and the preset volume under the preset volume condition. Each frequency adjustment method has a different adjustment range for increasing the standard rotation frequency.

[0073] Specifically, the first frequency adjustment method is that if △Q≤△Q0, the control module uses a preset first frequency adjustment coefficient to adjust the standard rotation frequency to the first frequency;

[0074] The second frequency adjustment method is that if △Q>△Q0, the control module uses a preset second frequency adjustment coefficient to adjust the standard rotation frequency to the second frequency.

[0075] Specifically, the maximum volume of the massage head is denoted as Q, the preset volume is denoted as Q0, the difference between the maximum volume and the preset volume of the massage head is denoted as ΔQ, ΔQ is set to Q-Q0, the preset volume difference is denoted as ΔQ0, the preset first frequency adjustment coefficient is denoted as β1, the preset second frequency adjustment coefficient is denoted as β2, where 1 < β1 < β2, the standard rotation frequency is denoted as W, the adjusted standard rotation frequency is denoted as W', and W' is set to W×βi, where βi is the preset i-th frequency adjustment coefficient, and i is set to 1, 2.

[0076] The massager of the present invention reduces the impact of excessively low standard rotation frequency on the degree of material aging by setting a preset volume and judging the degree of material aging based on the maximum volume of the massage head, and further improves the accuracy of the massager's pressure.

[0077] Please see Figure 2 The control module shown determines that the accuracy of temperature detection does not meet the requirements under the preset flow rate conditions, and then adjusts the standard rotation frequency a second time according to the air flow rate at the pressing position.

[0078] The preset flow rate condition is that the air flow rate at the pressing position is greater than the preset flow rate.

[0079] Please see Figure 2 As shown, the control module has several adjustment methods that reduce the standard rotation frequency based on the difference between the air flow rate at the pressing position and the preset flow rate under the preset flow rate condition. Each frequency adjustment method has a different adjustment range for reducing the standard rotation frequency.

[0080] Specifically, the third frequency adjustment method is that if ΔR≤ΔR0, the control module uses a preset fourth frequency adjustment coefficient to adjust the standard rotation frequency to the third frequency;

[0081] The fourth frequency adjustment method is that if △R>△R0, the control module uses a preset third frequency adjustment coefficient to adjust the standard rotation frequency to the fourth frequency.

[0082] Specifically, the air velocity at the pressing position is denoted as R, the preset velocity is denoted as R0, the difference between the air velocity at the pressing position and the preset velocity is denoted as ΔR, ΔR0 is the preset velocity difference, and ΔR = R - R0 is set. The preset third frequency adjustment coefficient is denoted as β3, the preset fourth frequency adjustment coefficient is denoted as β4, where 0 < β3 < β4 < 1, and the standard rotation frequency after the second adjustment is denoted as W”, W” = W' × βj, where βj is the preset j-th frequency adjustment coefficient, and j = 3, 4 is set.

[0083] The massager of the present invention sets a preset flow rate and determines the accuracy of temperature detection based on the air flow rate at the pressing position. It also performs secondary adjustment on the standard rotation frequency, reducing the impact of excessively high standard rotation frequency on the accuracy of temperature detection and further improving the pressing accuracy of the massager.

[0084] Example 1

[0085] In this embodiment 1, the control module adjusts the volume E of the injected gas based on the difference between the skin depression depth and the preset second depression depth, denoted as ΔM, when M > M1. The skin depression depth is denoted as M, the preset first depression depth as M1, and the preset second depression depth as M2. The difference between the skin depression depth and the preset first depression depth is denoted as ΔM. ΔM = M - M2 is set, ΔM0 is the preset depression depth difference, the preset first volume adjustment coefficient is denoted as α1, and the preset second volume adjustment coefficient is denoted as α2, where 1 < α1 < α2, M1 < M2. The volume of the injected gas is denoted as E, and the adjusted volume of the injected gas is denoted as E'. M1 = 0.4 cm, M2 = 0.8 cm, α1 = 1.4, α2 = 1.6, ΔM0 = 0.1 cm, and E = 15 ml. In this embodiment 1, M = 1 cm.

[0086] In this embodiment 1, ΔM = 1cm - 0.8cm = 0.2cm. It is determined that ΔM > ΔM0 and the volume of the gas is adjusted to E' using the preset first gas volume adjustment coefficient α2. The calculated E' = 15ml × (1 + 1.6) / 2 = 19.5ml.

[0087] The technical solution of the present invention has been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the scope of protection of the present invention.

Claims

1. A self-adjusting massager, characterized in that, include: main body; The power module, which is connected to the main body, is used to provide massage pressure. It includes a motor connected to the main body to provide rotational power to the base, a connecting rod connected to the motor to transmit the rotational torque to the corresponding massage position, and an air pump connected to the massage head to perform inflation and deflation operations on the massage head. The massage module is connected to the main body and the power module respectively, and is used to simulate massage action by applying pressure and rotational force to the skin. It includes a plurality of massage heads connected to the base for massaging corresponding positions. The massage heads include gas buffer elements for buffering the hardness of the massage heads. The detection module, which is connected to the main body and the massage module respectively, includes a distance sensor connected to the base for detecting the depth of skin depression, a laser displacement sensor connected to the base for measuring the diameter of the massage head, a temperature sensor connected to the main body for detecting the actual temperature of the skin, and an air velocity sensor disposed between the distance sensor and the laser displacement sensor for detecting the air velocity at the pressing position. The control module, which is connected to the power module, the massage module and the detection module respectively, is used to adjust the volume of the inflated gas when the accuracy of the pressure is determined to be below the allowable range based on the skin indentation depth, or to adjust the motor torque when the effectiveness of the pressure is determined to be below the allowable range based on the actual skin temperature, or to make an initial adjustment to the standard rotation frequency based on the maximum volume of the massage head, and to make a secondary adjustment to the standard rotation frequency based on the air flow rate at the pressure position. The control module, under either a preset first temperature condition or a preset second temperature condition, determines a second time that the effectiveness of the press is below the allowable range. The control module initially determines that the aging degree of the main material exceeds the allowable range under the preset first temperature condition, and then makes a second determination on the aging degree of the main material based on the maximum volume of the massage head. The control module adjusts the motor torque under the preset second temperature condition; The first preset temperature condition is that the actual skin temperature is greater than the first preset temperature and less than or equal to the second preset temperature; the second preset temperature condition is that the actual skin temperature is greater than the second preset temperature; and the first preset temperature is less than the second preset temperature. The control module, under preset volume conditions, makes a secondary determination that the aging degree of the main material exceeds the allowable range, and then performs an initial adjustment to the standard rotation frequency. The preset volume condition is that the maximum volume of the massage head is greater than the preset volume; The control module determines that the accuracy of the temperature detection does not meet the requirements under the preset flow rate conditions, and then adjusts the standard rotation frequency a second time according to the air flow rate at the pressing position. The preset flow rate condition is that the air flow rate at the pressing position is greater than the preset flow rate.

2. The self-adjusting massager according to claim 1, characterized in that, The control module determines that the accuracy of the pressure is below the allowable range under either a preset first indentation depth condition or a preset second indentation depth condition. The control module initially determines that the effectiveness of the press is below the allowable range under the preset first indentation depth condition, and then makes a second determination on the effectiveness of the press based on the actual skin temperature. The control module redetermines the single inflation volume of the air pump under the preset second depression depth condition.

3. The self-adjusting massager according to claim 2, characterized in that, The preset first depression depth condition is that the skin depression depth is greater than the preset first depression depth and less than or equal to the preset second depression depth; the preset second depression depth condition is that the skin depression depth is greater than the preset second depression depth; and the preset first depression depth is less than the preset second depression depth.

4. The self-adjusting massager according to claim 3, characterized in that, The single inflation volume of the air pump is re-determined by the difference between the skin indentation depth and the preset second indentation depth.

5. The self-adjusting massager according to claim 4, characterized in that, The control module is equipped with several adjustment methods to reduce the motor torque based on the difference between the actual skin temperature and the preset second temperature under the preset second temperature condition, wherein each torque adjustment method has a different adjustment range for reducing the motor torque.

6. The self-adjusting massager according to claim 5, characterized in that, The control module is equipped with several adjustment methods that increase the standard rotation frequency based on the difference between the maximum volume of the massage head and the preset volume under the preset volume condition. Each frequency adjustment method has a different adjustment range for increasing the standard rotation frequency.

7. The self-adjusting massager according to claim 6, characterized in that, The control module is equipped with several adjustment methods that reduce the standard rotation frequency based on the difference between the air flow rate at the pressing position and the preset flow rate under the preset flow rate condition. Each frequency adjustment method has a different adjustment range for reducing the standard rotation frequency.

Images