CN218944174U

CN218944174U - Variable micro-magnetic field generating device

Info

Publication number: CN218944174U
Application number: CN202223151460.3U
Authority: CN
Inventors: 尹立成
Original assignee: Shenzhen Yinsi Electronics Co ltd
Current assignee: Shenzhen Yinsi Electronics Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-02
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a variable micro-magnetic field generating device, which comprises a shell component, a magnetic field generating device and a magnetic field generating device, wherein the shell component is a hollow cavity; the circuit board comprises an MCU, a memory and a current amplifier, wherein the memory stores a plurality of audio information, the MCU decodes the audio information in the memory to form variable micro-current, and the current amplifier amplifies the variable micro-current; a coil assembly fixedly disposed in the housing assembly, the coil assembly electrically connected to the current amplifier, which generates a variable micro magnetic field; a display device electrically connected with the circuit board and penetrating the housing assembly; the key assembly is arranged on the circuit board and penetrates through the shell assembly. The utility model effectively solves the problem that the micro magnetic field generated by PEMF equipment in the prior art cannot be changed.

Description

Variable micro-magnetic field generating device

Technical Field

The utility model relates to the technical field of generating devices, in particular to a variable micro-magnetic field generating device.

Background

The electro-magnetic field is generated by passing current through a straight metal wire, and then a circular magnetic field is generated in the space around the wire. The larger the current flowing in the wire, the stronger the magnetic field generated. The magnetic field is circular and surrounds the wire. PEMF is an abbreviation for pulsed electromagnetic field (Pulsed Electro Magnetic Fields) because the magnetic field produced by domestic PEMF devices is 0.1-70 microtesla (uT), very similar to the electromagnetic field of the earth by 20-50 microtesla, while the pulsed wave frequency produced by the devices (0.1-30 hz) is also very similar to the schumann wave of the earth (7.83 hz), sometimes referred to as the "earth pulsed electromagnetic field"; research shows that the micro-circulation inside the human body can be effectively improved through the magnetic field, and the blood circulation is promoted, so that the pain is relieved to a certain extent, but the conventional PEMF equipment generates the micro-magnetic field through fixed current, so that the physiotherapy effect is general; therefore, the variable micro-magnetic field generating device is provided for solving the problem that the micro-magnetic field generated by PEMF equipment in the prior art cannot be changed.

Disclosure of Invention

One of the purposes of the present utility model is to provide a variable micro-magnetic field generating device, so as to solve the problem that the micro-magnetic field generated by PEMF equipment in the prior art cannot be changed.

The variable micro-magnetic field generating device can be realized by the following technical scheme:

the utility model relates to a variable micro-magnetic field generating device, which comprises a shell component, a magnetic field generating device and a magnetic field generating device, wherein the shell component is a hollow cavity; the circuit board comprises an MCU, a memory and a current amplifier, wherein the memory stores a plurality of audio information, the MCU decodes the audio information in the memory to form variable micro-current, and the current amplifier amplifies the variable micro-current; a coil assembly fixedly disposed in the housing assembly, the coil assembly electrically connected to the current amplifier, which generates a variable micro magnetic field; a display device electrically connected with the circuit board and penetrating the housing assembly; the key assembly is arranged on the circuit board and penetrates through the shell assembly.

In one embodiment, the housing assembly includes a main housing and a cover plate, which are connected by a snap-fit structure or a screw structure; by the detachable design of the main shell and the cover plate, the maintenance and repair of the components in the shell assembly are facilitated.

In one embodiment, the main casing is provided with a plurality of through holes in a penetrating manner, and the positions and the sizes of the through holes are respectively matched with those of the display device and the key assembly; through the design, the display device and the key assembly can penetrate through the front face of the main shell conveniently.

In one embodiment, a heat dissipation device is arranged in the shell component, and the coil component is fixedly arranged on the heat dissipation device; by such design, the conduction of heat of the coil assembly is facilitated, thereby prolonging the service life of the coil assembly.

In one embodiment, a plurality of heat dissipation holes are formed in the cover plate in a penetrating mode, and the positions of the heat dissipation holes correspond to the positions of the coil assembly; by such design, the conduction of heat of the coil assembly is facilitated, thereby prolonging the service life of the coil assembly.

In one embodiment, the heat dissipation device adopts an aluminum alloy heat dissipation bracket; a heat insulation pad is arranged between the heat radiating device and the main shell; by such a design, heat of the heat sink is prevented from being conducted to the main housing.

In one embodiment, a temperature sensor is arranged on the circuit board, and the temperature sensor is electrically connected with the MCU and is in contact connection with the coil assembly; through the design, the temperature of the coil assembly is convenient to monitor in real time, and abnormal conditions, particularly short-circuited conditions, can be timely found and processed.

In one embodiment, the key assembly includes a plurality of key bodies and a key housing, the plurality of key bodies are respectively disposed on the circuit board and penetrate through the main housing, and the key housing is disposed on the plurality of key bodies; by such design, the key main body is convenient to protect.

In one embodiment, the battery is a rechargeable lithium battery; the circuit board is provided with a charging interface, and the charging interface penetrates through the shell assembly; by such design, it is convenient to charge the battery.

In one embodiment, the coil assembly adopts a double coil design, so that the micro magnetic field can be effectively enhanced, and the stability performance can be improved.

Compared with the prior art, the variable micro-magnetic field generating device has the beneficial effects that:

the variable micro magnetic field generating device decodes the audio information stored in the memory into the variable micro current through the MCU, amplifies the variable micro current through the circuit amplifier, and transmits the amplified variable micro current to the coil assembly to generate the variable micro magnetic field, so that the variable micro magnetic field acts on the part of a user needing physical therapy, the microcirculation in the human body can be effectively improved through the variable micro magnetic field, the blood circulation is promoted, and the problem that the micro magnetic field generated by PEMF equipment in the prior art cannot be changed is effectively solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a variable micromagnetic field generating device according to the present utility model;

FIG. 2 is a schematic perspective view of another side of the variable micromagnetic field generator of the present utility model shown in FIG. 1;

FIG. 3 is a schematic diagram of an exploded view of a variable micromagnetic field generating device of the present utility model shown in FIG. 1;

FIG. 4 is a schematic cross-sectional view of a variable micro-magnetic field generating device of the present utility model shown in FIG. 1;

FIG. 5 is a schematic diagram of the electrical connections of a variable micro-magnetic field generating device of the present utility model shown in FIG. 3;

FIG. 6 is a circuit diagram of an MCU of the variable micro magnetic field generating device of the present utility model shown in FIG. 5;

FIG. 7 is a circuit diagram of a memory in the variable micro-magnetic field generating device of the present utility model shown in FIG. 5;

FIG. 8 is a circuit diagram of a current amplifier in the variable micro-magnetic field generating device of the present utility model shown in FIG. 5;

FIG. 9 is a circuit diagram of a battery in the variable micro-magnetic field generating device of the present utility model shown in FIG. 5;

FIG. 10 is a circuit diagram of a display device in the variable micro-magnetic field generating device of the present utility model shown in FIG. 5;

FIG. 11 is a circuit diagram of a key assembly of the variable micro-magnetic field generating device of FIG. 5 according to the present utility model;

fig. 12 is a circuit diagram of a charging interface in the variable micro-magnetic field generating device of the present utility model shown in fig. 5.

The figures indicate: a housing assembly; 111, a main housing; 1111, through holes; 112, cover plate; 1121, heat dissipation holes; 12, a circuit board; 121, MCU;122, a memory; 123, a current amplifier; 124, a temperature sensor; 13, a coil assembly; 14, a battery; 15, a display device; 16, a key assembly; 161, key body; 162, key housing; 17, a charging interface; 18, a heat dissipation device; 181, insulation pads.

Detailed Description

Referring to fig. 1-4, the variable micro-magnetic field generating device of the present utility model mainly includes a housing assembly 11, a circuit board 12, a coil assembly 13, a battery 14, a display device 15, a key assembly 16, a charging interface 17 and a heat dissipating device 18; the shell component 11 is a hollow cavity; the circuit board 12 and the battery 14 are fixedly arranged in the shell assembly 11, the circuit board 12 is respectively and electrically connected with the coil assembly 13, the battery 14, the display device 15, the key assembly 16 and the charging interface 17, and the battery 14 respectively provides electric energy for the circuit board 12, the display device 15 and the key assembly 16; the coil assembly 13 is fixedly arranged in the shell assembly 11 and is close to the inner wall of the shell assembly 11, so that a magnetic field generated by the coil assembly 13 is conveniently transmitted out of the shell assembly 11, and a variable micro magnetic field is generated in the coil assembly 13 through a variable current; the display device 15 is electrically connected with the circuit board 12 and penetrates through the shell assembly 11, and is used for performing man-machine interaction and realizing real-time display; the key assembly 16 and the charging interface 17 are respectively arranged on the circuit board 12 and penetrate through the shell assembly 11, the key assembly 16 can control the switch of the generating device and set functions, and the charging interface 17 charges the battery 14; the heat dissipation device 18 is fixedly arranged in the shell assembly 11, the coil assembly 13 is fixedly arranged on the heat dissipation device 18, and the heat dissipation device 18 is used for conducting heat generated by the coil assembly 13.

Referring to fig. 1-4, in the present embodiment, the housing assembly 11 includes a main housing 111 and a cover plate 112, the cover plate 112 is disposed on the main housing 111 through a fastening structure or a screw structure, and the two components compose a hollow cavity, and the coil assembly 13, the battery 14, the display device 15, the key assembly 16, the charging interface 17, and the heat dissipating device 18 are respectively disposed in the cavities. In this embodiment, the main housing 111 is connected to the cover 112 through a snap structure; the main casing 111 is provided with a plurality of through holes 1111, and the positions and sizes of the through holes 1111 are respectively matched with the positions and sizes of the display device 15 and the key assembly 16; the cover plate 112 is provided with a plurality of heat dissipation holes 1121 in a penetrating manner, and the positions of the plurality of heat dissipation holes 1121 correspond to the positions of the coil assembly 13, so that heat of the coil assembly 13 is conducted out of the shell assembly 11, and the conduction of a micro magnetic field generated by the coil assembly 13 is facilitated.

Referring to fig. 3-12, in the present embodiment, the circuit board 12 includes an MCU121, a memory 122, and a current amplifier 123; the MCU121 is electrically connected to the memory 122, the current amplifier 123, the battery 14, the display device 15, the key assembly 16, and the charging interface 17, and the control technology adopted is a prior art, so specific control procedures thereof are not repeated here; the memory 122 stores a plurality of audio information; the MCU121 can decode the audio information in the memory 122 to form a variable micro-current; the current amplifier 123 is electrically connected to the coil block 13, amplifies the variable micro current of the MCU121, and generates a variable micro magnetic field through the coil block 13 when the variable micro current is transmitted to the coil block 13. In this embodiment, the circuit board 12 is provided with a temperature sensor 124, the temperature sensor 124 is electrically connected to the MCU121 and is in contact with the coil assembly 13, so that the temperature of the coil assembly 13 is monitored in real time and the test temperature is transmitted to the MCU121 in real time for processing, and the temperature sensor 124 is also in the prior art, so that specific detection processes and types thereof are not repeated herein.

Referring to fig. 3 and 4, in the present embodiment, the coil assembly 13 employs a double coil, and the micro magnetic field can be effectively enhanced and the stability can be increased by the double coil arrangement. The battery 14 is a rechargeable lithium battery, and in particular, the battery 14 is a polymer lithium ion battery. The display device 15 may be an LED display screen or an LCD display screen, and in this embodiment, the display device 15 is an LCD display screen.

Referring to fig. 1, 3 and 4, in the present embodiment, the key assembly 16 includes a plurality of key main bodies 161 and a key housing 162, the plurality of key main bodies 161 are respectively disposed on the circuit board 12 and penetrate through the main housing 111, and the key housing 162 is disposed on the plurality of key main bodies 161; the key housing 162 is integrally formed, and is made of rubber, preferably, the key housing 162 is made of silica gel; the switch and function setting of the generator can be controlled by pressing the plurality of key main bodies 161 respectively. The charging interface 17 may be a Micro USB interface, a lighting interface, or a Type C interface, and in this embodiment, the charging interface 17 is a Type C interface.

Referring to fig. 3 and 4, in the present embodiment, the heat dissipating device 18 is an aluminum alloy heat dissipating bracket, and the coil assembly 13 is fixedly disposed on the heat dissipating bracket; a heat insulation pad 181 is disposed between the heat dissipating device 18 and the main housing 111, and specifically, a silica gel heat insulation pad is used as the heat insulation pad 181.

It should be noted that, in the variable micro magnetic field generating device of the present utility model, the MCU121 decodes the audio information stored in the memory 122 into the variable micro current, the circuit amplifier 123 amplifies the variable micro current, and transmits the amplified variable micro current to the coil assembly 13 to generate the variable micro magnetic field, so that the variable micro magnetic field acts on the part of the user requiring physiotherapy, and the micro circulation inside the human body can be effectively improved through the variable micro magnetic field, and the blood circulation is promoted, thereby alleviating pain to a certain extent; while different audio information is selected by the key assembly 16 to generate different micro-magnetic fields.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The variable micro-magnetic field generating device is characterized by comprising a shell component, wherein the shell component is a hollow cavity; the circuit board comprises an MCU, a memory and a current amplifier, wherein the memory stores a plurality of audio information, the MCU decodes the audio information in the memory to form variable micro-current, and the current amplifier amplifies the variable micro-current; a coil assembly fixedly disposed in the housing assembly, the coil assembly electrically connected to the current amplifier, which generates a variable micro magnetic field; a display device electrically connected with the circuit board and penetrating the housing assembly; the key assembly is arranged on the circuit board and penetrates through the shell assembly.

2. A variable micromagnetic field generator according to claim 1, wherein the housing assembly comprises a main housing and a cover plate, both of which are connected by a snap-fit structure or a screw structure.

3. The device according to claim 2, wherein a plurality of through holes are formed in the main housing, and the positions and dimensions of the through holes are matched with those of the display device and the key assembly, respectively.

4. A variable micromagnetic field generator according to claim 2, wherein a heat sink is provided in the housing assembly, and the coil assembly is fixedly provided on the heat sink.

5. The variable micro-magnetic field generator of claim 4, wherein a plurality of heat dissipation holes are formed through the cover plate, and the positions of the plurality of heat dissipation holes correspond to the positions of the coil assembly.

6. The variable micro-magnetic field generating device according to claim 4, wherein the heat dissipating device is an aluminum alloy heat dissipating bracket; and a heat insulation pad is arranged between the heat radiating device and the main shell.

7. The variable micromagnetic field generation device according to claim 1, wherein a temperature sensor is provided on the circuit board, and the temperature sensor is electrically connected to the MCU and is in contact with the coil assembly.

8. The variable micromagnetic field generator according to claim 2, wherein the key assembly comprises a plurality of key bodies and a key case, the plurality of key bodies are respectively disposed on the circuit board and penetrate the main case, and the key case is disposed on the plurality of key bodies.

9. A variable micromagnetic field generator according to any one of claims 1 to 8, wherein the battery is a rechargeable lithium battery; the circuit board is provided with a charging interface, and the charging interface penetrates through the shell assembly.

10. A variable micromagnetic field generator according to any one of claims 1 to 8, wherein the coil assembly employs a double coil.