Household fascia magnet

Abstract

The invention relates to the technical field of magnetic therapy instruments, in particular to a household fascia magnet which comprises a magnetic therapy host and a magnetic therapy handle, and the magnetic therapy host is electrically connected with the magnetic therapy handle. The magnet therapy handle comprises an upper cover and a lower cover, and the upper cover and the lower cover form a shell; a cable, a ducted fan and a magnetic therapy coil are sequentially arranged in the shell from one end to the other end; a gap exists between the cable and the shell to form an air inlet, an air outlet formed by a plurality of through holes is formed in the area, corresponding to the magnetic therapy coil, of the upper cover, and the ducted fan drives external airflow to enter the shell from the air inlet and flow out of the shell from the air outlet after flowing through the magnetic therapy coil. The air inlet, the ducted fan, the magnetic therapy coil and the air outlet are formed in the shell, the ducted fan drives external airflow to enter the shell from the air inlet and flow out of the shell from the air outlet after flowing through the magnetic therapy coil, and therefore the heat dissipation performance of the handle and the user experience are improved.

Description

Technical Field

[0001] The invention relates to the technical field of magnetic therapy instruments, and more particularly to a household fascia magnet. Background Art

[0002] At present, the high-energy focused pulsed magnetic field handles on the market are relatively large in size and have poor heat dissipation effects. For example, the patent with publication number CN1061724A discloses a magnetic therapy handle, in which the changing magnetic field for magnetic therapy, the heat energy for thermal therapy, and the vibration required for massage are all generated and formed by the same energized coil, resulting in a large volume of the energized coil and a large amount of heat generated. The heat accumulates in the handle and cannot be effectively conducted to the external environment. After working for a period of time, the surface temperature of the handle is likely to be too high, which brings a bad experience to the user, and the electronic components inside the handle are also prone to failure due to high temperature. Summary of the invention

[0003] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a household fascia magnet to solve the technical problem of poor heat dissipation of the existing magnetic therapy handle.

[0004] The above technical objectives of the present invention are achieved through the following technical solutions:

[0005] A household fascia magnet comprises a magnetic therapy main unit and a magnetic therapy handle, wherein the magnetic therapy main unit is electrically connected to the magnetic therapy handle; the magnetic therapy handle comprises an upper cover and a lower cover, wherein the upper cover and the lower cover form a shell; cables, a ducted fan and a magnetic therapy coil are sequentially arranged inside the shell from one end to the other; a gap is provided between the cable and the shell to form an air inlet, an air outlet formed by a plurality of through holes is provided in the area corresponding to the upper cover and the magnetic therapy coil, and the ducted fan drives external air flow to enter the shell from the air inlet and flow out of the shell from the air outlet after passing through the magnetic therapy coil.

[0006] Optionally, the magnetic therapy coil is wound outward from the middle part of its total length, with one end wound outward from the middle part in a clockwise direction and the other end wound outward from the middle part in a counterclockwise direction, so that the wire ends at both ends of the magnetic therapy coil are respectively on the outermost circle of the top layer and the outermost circle of the bottom layer.

[0007] Optionally, the number of turns of the magnetic therapy coil is five to ten, and the number of layers is two or four; the magnetic therapy coil is formed by twisting and winding 1000-3000 copper wire conductors with a diameter of 0.05-0.1mm, and the outer surface of the copper wire conductor is coated with an insulating layer.

[0008] Optionally, a snap-fit ​​sleeve inside the shell is provided with a silicone bracket for reducing noise generated by vibration of the ducted fan, and the silicone bracket snap-fit ​​sleeve is provided with the ducted fan.

[0009] Optionally, a buffer sleeve for protecting the cable and a locking sleeve for locking the buffer sleeve to the shell are provided at the end of the shell; the locking sleeve is sleeved on the buffer sleeve and is detachably connected to the shell; the buffer sleeve is sleeved on the cable.

[0010] Optionally, the lock sleeve is provided with a dustproof net for preventing dust from entering the interior of the housing through the air inlet.

[0011] Optionally, a key panel assembly for adjusting the intensity of magnetic therapy is provided inside the shell.

[0012] Optionally, a temperature sensor is provided on the surface of the magnetic therapy coil.

[0013] Optionally, a magnet is disposed in the shell, and a Hall sensor for sensing and detecting the position of the magnet is disposed on the magnetic therapy host.

[0014] In summary, the above embodiments of the present invention have the following beneficial effects: the present invention improves the heat dissipation performance and user experience of the handle by providing an air inlet, a ducted fan, a magnetic therapy coil and an air outlet inside the shell, and enabling the ducted fan to drive the external air flow into the shell from the air inlet and flow out of the shell from the air outlet after passing through the magnetic therapy coil. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention;

[0016] Figure 2 is a cross-sectional view of the magnetic therapy host in the present invention;

[0017] Figure 3 It is a structural schematic diagram of the magnetic therapy handle of the present invention;

[0018] Figure 4 is a top view of the magnetic therapy handle of the present invention;

[0019] Figure 5 is a cross-sectional view of the magnetic therapy handle of the present invention;

[0020] Figure 6 It is a structural schematic diagram of the magnetic therapy coil in the present invention;

[0021] Figure 7 is a top view of the magnetic therapy coil of the present invention;

[0022] Figure 8 is a side view of the magnetic therapy coil of the present invention;

[0023] Fig. 9 yes Figure 5 Magnified view of area A. DETAILED DESCRIPTION

[0024] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings. Several embodiments of the present invention are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein.

[0025] The present invention is described in detail below in conjunction with the accompanying drawings and embodiments.

[0026] The present invention provides a household fascia magnet, such as Figure 1-5 As shown, it includes a magnetic therapy host 9 and a magnetic therapy handle, and the magnetic therapy host 9 is electrically connected to the magnetic therapy handle; the magnetic therapy handle includes an upper cover 1 and a lower cover 2, and the upper cover 1 and the lower cover 2 form a shell 3; the inside of the shell 3 is sequentially provided with a cable 4, a ducted fan 5 and a magnetic therapy coil 6 from one end to the other; there is a gap between the cable 4 and the shell 3 to form an air inlet 31, and an air outlet 11 formed by a plurality of through holes is opened in the area corresponding to the upper cover 1 and the magnetic therapy coil 6, and the magnetic therapy coil 6 drives the external airflow to enter the inside of the shell 3 from the air inlet 31 and flow out of the shell 3 from the air outlet 11 after flowing through the magnetic therapy coil 6.

[0027] In this embodiment, the magnetic therapy host 9 is composed of a host upper cover 91, a host lower cover 92, a host control panel 93, a handle bracket 94 for fixing the magnetic therapy handle, a handle socket, an AC power socket, a power filter, a switching power supply, a display screen, a main control board, a pulse magnetic control board and a cooling fan and other conventional electronic components or modules of a magnetic therapy device. The specific structure of the magnetic therapy host 9 and the connection relationship between the various components do not involve the scope of improvement of the present invention and are not specifically introduced here.

[0028] The upper cover 1 and the lower cover 2 in the magnetic therapy handle are made of heat-resistant plastic, and the two are connected to form a shell 3 with a hollow structure through a card connection structure in which the card convex and the card groove are matched. The shell 3 is in the shape of a long bar as a whole, and a cable 4 is installed at its tail through the limiting compaction structure of the upper cover 1 and the lower cover 2. The end of the cable 4 away from the handle is provided with a data connector, which is used to be inserted into the handle socket on the back of the magnetic therapy host 9, so that the handle can be electrically connected to the magnetic therapy host. The magnetic therapy coil 6 is installed at the head of the shell 3 through a limiting structure, and is used to generate a high-energy focused pulse magnetic field, which acts on the nervous system in the fascia part of the body, thereby producing a magnetic therapy effect. A plurality of through holes arranged in a fan shape are provided on the top surface of the upper cover 1 at a position corresponding to the magnetic therapy coil 6, and the diameter of the through hole is about 1-1.5 mm, and the through holes arranged in a fan shape form an air outlet 11. A ducted fan 5 is fixedly installed inside the housing 3 and slightly near its tail by screws or a clamping structure. The ducted fan 5 is driven by a high-speed DC brushless motor, and its speed is between 21000±10%RPM and 100000±10%RPM. Its speed can be controlled in the speed range according to the heat dissipation requirements of the magnetic therapy coil 6, so that the magnetic therapy coil 6 can quickly dissipate heat. The wall of the air duct formed inside the housing 3 adopts an arc-shaped structure to reduce the resistance of air inlet and outlet, and better exert the heat dissipation effect. The magnetic therapy coil 6 also adopts an arc-shaped body, so that the wind can smoothly surround the entire magnetic therapy coil 6, which can well disperse the heat and make the air cooling heat dissipation efficiency reach a better state.

[0029] The present invention improves the heat dissipation performance and user experience of the handle by providing an air inlet 31, a ducted fan 5, a magnetic therapy coil 6 and an air outlet 11 inside the shell 3, and enabling the ducted fan 5 to drive the external air flow into the shell 3 from the air inlet 31 and flow out of the shell 3 from the air outlet 11 after passing through the magnetic therapy coil 6.

[0030] Furthermore, the magnetic therapy coil 6 is wound outward from the middle part of its total length, with one end wound outward from the middle part in a clockwise direction, and the other end wound outward from the middle part in a counterclockwise direction, so that the wire ends at both ends of the magnetic therapy coil 6 are respectively on the outermost circle of the top layer and the outermost circle of the bottom layer.

[0031] Furthermore, the number of turns of the magnetic therapy coil 6 is five to ten, and the number of layers is two or four; the magnetic therapy coil 6 is formed by twisting and winding 2000-3000 copper wire conductors with a diameter of 0.05-0.1 mm, and the outer surface of the copper wire conductor is coated with an insulating layer.

[0032] like Figure 6-8 As shown, the magnetic therapy coil 6 can be wound using one or two or more wire tubes composed of multiple strands of enameled wire (i.e., copper wire conductors coated with an insulating layer). It can be wound into one layer or multiple layers, or into a single turn or multiple turns. The specific number of layers and turns can be set according to actual needs.

[0033] In this embodiment, the length of the shell 3 is L (263mm), the width is W (103mm), the height is H (45mm), the length of its tail is L1 (135mm), and the connection between the tail and the head is an arc transition with a radius of R (65mm). The space at the head of the shell 3 for installing the magnetic therapy coil 6 is annular, with a height of H1 (22mm), an outer diameter of D1 (92mm), and an inner diameter of D2 (28mm). In order to verify the influence of the winding method of the magnetic stimulation coil 6 and the speed of the ducted fan 5 on the heat dissipation efficiency, noise level, airflow speed and coil heat generation of the magnetic therapy handle in this space, the winding method of the magnetic stimulation coil 6 is verified according to the parameter settings in Table 1.

[0034] Table 1 Winding parameters of magnetic stimulation coil

[0035]

[0036] The magnetic stimulation coils 6 wound in the above six schemes were tested for heat dissipation efficiency, noise level, air flow velocity and coil heat generation at rotation speeds ranging from 21000RPM to 100000RPM, and the data in Table 2 were obtained.

[0037] The heat dissipation efficiency is expressed by the time (S) required for the coil temperature to drop from the peak value to the stable value. The temperature test point is Figure 5 The noise level is indicated by the decibel value (dB) measured at a distance of 30 cm from the handle; the air flow speed is indicated by the average wind speed at the air outlet 11 (m / s); the coil heat is indicated by the coil working for half an hour. Figure 5 The maximum temperature (°C) at the midpoint T is shown.

[0038] Table 2 Performance test table of different magnetic stimulation coil winding schemes

[0039]

[0040] The test data in Table 2 are measured when the magnetic stimulation coil 6 is operated at a current of 1A and a frequency of 50Hz.

[0041] From Table 2, we can see that: First, the heat dissipation time of Scheme 4 is only 35 seconds at 100000RPM (Scheme 1 is 80 seconds), because the thick copper wire (0.1mm) has low resistance and low heat generation, combined with the large wire tube (4.6-4.8mm) air duct design, the heat dissipation path is smoother. Secondly, the noise of Scheme 4 is only 42dB at 50000RPM (Scheme 1 is 55dB), thanks to the compactness of the coil structure to reduce the turbulence in the air duct; in addition, the air duct size of Scheme 4 is large (the gap between adjacent wire tubes up and down, left and right, see Fig. 9The position shown at B in the figure allows for a higher wind speed, reaching 11.5 m / s at 100,000 RPM (10.0 m / s for Scheme 1); the thick copper wire (0.1 mm) reduces resistance loss, and the coil temperature is only 28°C at 100,000 RPM (45°C for Scheme 1), significantly improving safety. Therefore, the winding scheme of Scheme 4 is the optimal winding scheme for the magnetic stimulation coil 6, and can be used as the final scheme for the magnetic therapy handle.

[0042] Furthermore, the magnetic therapy coil 6 of scheme 4 is wound by two wire tubes, the number of windings is five, and the number of winding layers is four. Such a wound magnetic therapy coil 6 can achieve the maximum inductance, the smallest volume, and the flattest top and bottom on the coils of the same wire length, and there is no situation that one end of the wire outlet ends from the innermost coil across half of the coil to the outside like the general coil (refer to the coil disclosed in CN112582159A). The wound magnetic therapy coil 6 of the present invention can provide a high-energy, low-heat high-energy focused pulse magnetic field.

[0043] Furthermore, a silicone bracket 32 ​​for reducing the noise generated by the vibration of the ducted fan 5 is provided in a snap-fitting sleeve inside the shell 3 , and the silicone bracket 32 ​​is snap-fitted with the ducted fan 5 .

[0044] like Figure 3 As shown, the silicone bracket 32 ​​is annular, and its internal through holes are tightly fitted around the ducted fan 5 by size restriction; the silicone bracket 32 ​​has multiple card slots around it, which are used to match with the card protrusions distributed on the upper cover 1 and the lower cover 2, so that it can be firmly fixed inside the housing 3. The silicone bracket 32 ​​has high elasticity, and when the ducted fan 5 rotates at high speed, it can reduce the amplitude of its vibration, thereby reducing the noise it generates and improving the user experience.

[0045] Furthermore, a buffer sleeve 7 for protecting the cable 4 and a locking sleeve 8 for locking the buffer sleeve 7 on the shell 3 are provided at the end of the shell 3; the locking sleeve 8 is sleeved on the buffer sleeve 7 and is detachably connected to the shell 3; the buffer sleeve 7 is sleeved on the cable 4.

[0046] like Figure 3 As shown, the lock sleeve 8 is screwed to the rear of the housing 3 through a threaded connection, and the relatively thick end of the buffer sleeve 7 is clamped between the lock sleeve 8 and the rear of the housing 3. The buffer sleeve 7 can be a rubber corrugated sleeve or a flexible spring sleeve, which can prevent the connection between the cable 4 and the housing 3 from being excessively bent repeatedly, and prevent the conductive wire core inside from being broken, which affects the normal use of the handle.

[0047] Furthermore, a dustproof net 81 is provided on the lock sleeve 8 for preventing dust from entering the interior of the housing 3 through the air inlet 31 .

[0048] like Figure 3As shown, the lock sleeve 8 is sleeved with the buffer sleeve 7, and there is a certain gap between the two, which is used for the external airflow to communicate with the air inlet 31. The dustproof net 81 is a circular dustproof net with a gap (similar to the gap of a spring washer). The dustproof net 81 can be installed inside the lock sleeve 8 by breaking the gap. The dustproof net 81 is also sleeved with the buffer sleeve 7, thereby preventing dust, lint and other large particles from entering the shell 3, providing a guarantee for the handle to have a good heat dissipation effect. The dustproof net 81 with a gap is convenient for users to replace or clean.

[0049] Furthermore, a key panel assembly 33 for adjusting the intensity of magnetic therapy is provided inside the shell 3 .

[0050] like Figure 3 As shown, the keypad assembly 33 includes three keys 331 and a keypad 332. The three keys 331 are respectively a "+" key for increasing the intensity of magnetic therapy, a "-" key for decreasing the intensity of magnetic therapy, and a "switch" key for starting the handle.

[0051] Furthermore, a temperature sensor 61 is provided on the surface of the magnetic therapy coil 6. The temperature sensor 61 is used to detect the temperature of the magnetic therapy coil 6. The temperature sensor 61 acts as a temperature switch and is connected to the magnetic therapy coil 6 and / or the ducted fan 5 through an external magnetic therapy host. When it is detected that the temperature of the magnetic therapy coil 6 is higher than the preset temperature, the power supply circuit of the magnetic therapy coil 6 is cut off or the speed of the ducted fan 5 is increased.

[0052] Furthermore, if Figure 2 and Figure 5 As shown, a magnet 34 is provided in the housing 3, and a Hall sensor 95 for sensing and detecting the position of the magnet 34 is provided on the magnetic therapy host 9. When the magnetic therapy handle is not in use, it is placed on the handle bracket 94 of the magnetic therapy host 9, and the Hall sensor 95 senses and detects the magnet 34, and then determines the position of the magnetic therapy handle to prevent the magnetic therapy handle from erroneously working on the magnetic therapy host 9.

[0053] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A household fascia magnet, characterized in that: It includes a magnetic therapy main unit and a magnetic therapy handle, which are electrically connected to the magnetic therapy handle; the magnetic therapy handle includes an upper cover and a lower cover, which form a shell; cables, a ducted fan and a magnetic therapy coil are arranged in sequence inside the shell from one end to the other; there is a gap between the cable and the shell to form an air inlet, and an air outlet formed by a number of through holes is opened in the area corresponding to the upper cover and the magnetic therapy coil, and the ducted fan drives the external air flow to enter the shell from the air inlet and flow out of the shell from the air outlet after flowing through the magnetic therapy coil.

2. The household fascia magnet according to claim 1, characterized in that: The magnetic therapy coil is wound outward from the middle part of its total length, with one end wound outward from the middle part in a clockwise direction and the other end wound outward from the middle part in a counterclockwise direction, so that the wire ends at both ends of the magnetic therapy coil are respectively on the outermost circle of the top layer and the outermost circle of the bottom layer.

3. The household fascia magnet according to claim 2, characterized in that: The number of turns of the magnetic therapy coil is five to ten, and the number of layers is two or four; the magnetic therapy coil is formed by twisting and winding 1000-3000 copper wire conductors with a diameter of 0.05-0.1mm, and the outer surfaces of the copper wire conductors are coated with an insulating layer.

4. The household fascia magnet according to claim 1, characterized in that: A snap-fit ​​sleeve inside the shell is provided with a silicone bracket for reducing the noise generated by the vibration of the ducted fan, and the silicone bracket snap-fit ​​sleeve is provided with the ducted fan.

5. The household fascia magnet according to claim 1, characterized in that: The end of the shell is provided with a buffer sleeve for protecting the cable and a locking sleeve for locking the buffer sleeve on the shell; the locking sleeve is sleeved with the buffer sleeve and is detachably connected with the shell; the buffer sleeve is sleeved with the cable.

6. The household fascia magnet according to claim 5, characterized in that: The lock sleeve is provided with a dustproof net for preventing dust from entering the interior of the housing through the air inlet.

7. The household fascia magnet according to claim 1, characterized in that: A key panel assembly for adjusting the intensity of magnetic therapy is arranged inside the shell.

8. The household fascia magnet according to claim 1, characterized in that: A temperature sensor is arranged on the surface of the magnetic therapy coil.

9. The household fascia magnet according to claim 1, characterized in that: A magnet is arranged in the shell, and a Hall sensor for sensing and detecting the position of the magnet is arranged on the magnetic therapy host.

Images