Low-current wireless charging module

Abstract

The utility model provides a low-current wireless charging module, which comprises a substrate, a coil assembly and a shell, at least two fixing assemblies are arranged on the substrate, the fixing assemblies are detachably arranged on the substrate and used for installing and fixing the coil assembly, each fixing assembly comprises a fixing plate, a plurality of limiting plates are arranged on the fixing plate, and the limiting plates are used for limiting the coil assembly. According to the utility model, the coil in the coil assembly can be clamped and fixed through the fixing assembly arranged on the substrate, so that the stability is better, the firmness of fixing the coil assembly is greatly improved, and the service life of the coil assembly is prolonged. And the use stability and the service life of the wireless charger are improved to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless charging equipment, in particular to a low-current wireless charging module. Background Art

[0002] Currently, more and more users are choosing electronic terminals with wireless charging functions.

[0003] In the wireless charging system, the wireless charger is provided with a primary coil and the electronic terminal is provided with a secondary coil; after the wireless charger is powered on, the primary coil generates an alternating magnetic field. After the electronic terminal is placed in the charging area of ​​the wireless charger, the secondary coil of the electronic terminal is located in the alternating magnetic field generated by the primary coil, and the secondary coil generates an induced current, thereby charging the electronic terminal.

[0004] In the prior art wireless charger, the primary coil is wound and directly fixed in the shell of the wireless charger by adhesive or tape. The wireless charger will generate a small amount of heat when charging, and long-term use will affect the adhesion performance of the adhesive or tape. When the wireless charger falls or is impacted, the primary coil is easy to fall off, affecting the wireless charging effect or even damaging the wireless charger, reducing the service life of the wireless charger. Utility Model Content

[0005] In view of this, the utility model provides a low-current wireless charging module, which can fix the coil in the coil assembly by means of a fixing component arranged on a substrate, and has better stability. It solves the problem that long-term use of the traditional gluing method will affect the adhesion performance of the adhesive or tape, or the coil assembly is easy to fall off when the wireless charger falls or is impacted, thereby affecting the wireless charging effect or even damaging the wireless charger. It greatly increases the firmness of the coil assembly and improves the service life of the wireless charger.

[0006] In order to solve the above technical problems, the utility model provides a low-current wireless charging module, including a substrate, a coil assembly and a shell. At least two fixing assemblies are arranged on the substrate. The fixing assemblies are detachably arranged on the substrate for installing and fixing the coil assembly. The fixing assemblies include a fixing plate. A plurality of limit plates are arranged on the fixing plate. The coil in the coil assembly is clamped between two adjacent limit plates. The utility model can realize the clamping and fixing of the coil in the coil assembly by the fixing assemblies arranged on the substrate, which has better stability, greatly increases the firmness of the coil assembly, and improves the stability and service life of the wireless charger to a certain extent.

[0007] The fixing plate is U-shaped, and a slot is provided on the side wall of the vertical part of the fixing plate. A buckle plate is arranged in the slot. The buckle plate is U-shaped, and the vertical part of the buckle plate is inserted in the slot. The utility model can realize the vertical and firm fixing of the coil in the coil assembly by clamping the buckle plate in the slot on the fixing plate, avoiding the risk of it falling off upwards, and greatly increasing the firmness and stability of the fixing assembly to the coil assembly.

[0008] A baffle corresponding to the limiting plate is arranged at the lower part of the buckle plate. The utility model can form a closed fixed ring through the cooperation of the baffle and the limiting plate, thereby realizing the circumferential fixation and limiting of the coil in the coil assembly, which greatly increases the stability of the coil fixation.

[0009] The gusset plate is an arc-shaped iron plate, and a protective pad is arranged on the inner side of the arc-shaped iron plate. The protective pad should be a non-slip and wear-resistant rubber pad. The purpose of this is to avoid direct extrusion between the coil and the gusset plate, which causes increased wear of the coil and greatly improves the service life of the coil.

[0010] The baffle is an arc-shaped magnetic plate, and an anti-slip pad is arranged on the inner side of the arc-shaped magnetic plate. The utility model can achieve a firm and stable fixation and limiting effect on the coil through the cooperation of the arc-shaped magnetic plate and the arc-shaped iron plate, and the operation is more convenient.

[0011] The fixing plate is detachably arranged on the base plate by bolts, and the shell is buckled on the base plate. The utility model can protect the coil assembly on the base plate through the buckling effect of the shell, and the operation is safer and more convenient.

[0012] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0013] 1. The utility model can fix the coil in the coil assembly by means of a fixing assembly arranged on the substrate, which has better stability, greatly increases the firmness of the coil assembly, and improves the stability and service life of the wireless charger to a certain extent.

[0014] 2. The utility model can realize the vertical and firm fixing operation of the coil in the coil assembly by clamping the buckle plate in the clamping groove on the fixing plate, avoiding the risk of the coil falling off upward, and greatly increasing the firmness and stability of the fixing assembly to the coil assembly.

[0015] 3. The utility model can form a closed fixed ring through the cooperation of the baffle and the limiting plate, thereby achieving the circumferential fixation and limiting of the coil in the coil assembly, greatly increasing the stability of the coil fixation.

[0016] 4. The utility model can achieve a firm and stable fixation and limiting effect on the coil through the cooperation of the arc-shaped magnetic plate and the arc-shaped iron plate, and the operation is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a low-current wireless charging module without a housing of the utility model;

[0018] Figure 2 This is an enlarged view of point A of the utility model;

[0019] Figure 3 This is a front view of the low-current wireless charging module without a housing of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the low-current wireless charging module of the shell of the utility model.

[0021] Explanation of reference numerals: 100, substrate; 200, coil assembly; 300, housing; 400, fixing assembly; 401, fixing plate; 402, limiting plate; 403, slot; 404, buckle plate; 405, baffle. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-4 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0023] like Figure 1-4As shown: This embodiment provides a low-current wireless charging module, including a substrate 100, a coil assembly 200 and a shell 300. At least two fixing assemblies 400 are arranged on the substrate 100. The fixing assemblies 400 are detachably arranged on the substrate 100 for installing and fixing the coil assembly 200. The fixing assemblies 400 include a fixing plate 401, which is detachably arranged on the substrate 100 by bolts. The shell 300 is buckled on the substrate 100, and the coil assembly 200 on the substrate 100 is buckled by the buckling effect of the shell 300. 00 has a protective effect, and the operation is safer and more convenient. A plurality of limit plates 402 are arranged on the fixing plate 401, and the limit plates 402 are arc-shaped plates. The coil in the coil assembly 200 is clamped between two adjacent limit plates 402. The utility model can realize the clamping and fixing of the outer wall of the coil in the coil assembly 200 through the fixing assembly 400 arranged on the substrate 100, which greatly increases the stability of the coil fixation, greatly increases the firmness of the coil assembly 200, and improves the stability and service life of the wireless charger to a certain extent.

[0024] According to one embodiment of the utility model, Figure 1 and Figure 2 As shown, the fixing plate 401 is U-shaped, and a slot 403 is provided on the side wall of the vertical portion of the fixing plate 401, and a buckle plate 404 is fixed in the slot 403. The buckle plate 404 is U-shaped, and the vertical portion of the buckle plate 404 is adapted to the slot 403, and the vertical portion of the buckle plate 404 is inserted in the slot 403. The utility model can insert the vertical portion of the buckle plate 404 into the slot 403 on the fixing plate 401 to realize the vertical and firm fixing of the coil in the coil assembly 200, avoid the risk of it falling off upwards, and greatly increase the firmness and stability of the fixing assembly 400 to the coil assembly 200.

[0025] According to another embodiment of the present invention, Figure 1 and Figure 3 As shown, a baffle plate 405 corresponding to the limiting plate 402 is provided at the lower part of the buckle plate 404. The utility model can form a closed fixed ring through the cooperation of the baffle plate 405 and the limiting plate 402, thereby achieving circumferential fixation and limitation of the coil in the coil assembly 200, which greatly increases the stability of the coil fixation.

[0026] According to another embodiment of the present invention, Figure 1 , Figure 2 and Figure 3As shown, the buckle plate 404 is an arc-shaped iron plate, and a protective pad is arranged on the inner side of the arc-shaped iron plate. The baffle 405 is an arc-shaped magnetic plate, and an anti-slip pad is arranged on the inner side of the arc-shaped magnetic plate. Both the protective pad and the anti-slip pad should be made of anti-slip and wear-resistant rubber pads. The purpose of this is to avoid direct squeezing between the coil and the buckle plate 404, which causes increased wear of the coil, greatly improves the service life of the coil, and can achieve a firm and stable fixation and limiting effect on the coil through the cooperation of the arc-shaped magnetic plate and the arc-shaped iron plate, making the operation more convenient.

[0027] The use of the utility model:

[0028] First of all, it should be made clear that the wireless charging module involved in the utility model is mainly used for wireless charging operations of electronic products with wireless charging functions such as mobile phones and watches. The utility model takes the installation and fixation of the coil assembly 200 during the production and assembly process of the low-current wireless charging module as an example to explain its usage in detail. When the wireless charging module needs to be assembled, first, the fixing plate 401 in the fixing assembly 400 is installed at the corresponding position on the substrate 100 by bolts. It should be noted here that threaded mounting holes compatible with the bolts are pre-opened on the substrate 100. Then the operator clamps the coil in the coil assembly 200 to be installed in turn in the limiting groove formed between the corresponding two limiting plates 402 on the fixing plate 401. After the installation is completed, the operator inserts the vertical portion of the buckle plate 404 into the fixing plate 401. The coil assembly 200 is fixed in the card slot 403 on the top until the baffle 405 conflicts with the limit plate 402, so that the installation and fixing operation of the coil assembly 200 can be realized, and then the operator buckles the shell 300 on the substrate 100 to realize the assembly operation of the wireless charging module, and then the wireless charging module can be inspected, packaged and put into storage for sale. The utility model can realize the card fixing of the coil in the coil assembly 200 through the fixing component 400 set on the substrate 100, and the stability is better. It solves the problem that the long-term use of the traditional gluing method will affect the adhesion performance of the adhesive or tape, or the coil assembly 200 is easy to fall off when the wireless charger falls or is impacted, affecting the wireless charging effect or even damaging the wireless charger, which greatly increases the firmness of the fixation of the coil assembly 200 and improves the service life of the wireless charger.

[0029] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0030] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A low-current wireless charging module, comprising a substrate (100), a coil assembly (200) and a housing (300), characterized in that: At least two fixing components (400) are arranged on the substrate (100); the fixing components (400) are detachably arranged on the substrate (100) and are used to install and fix the coil component (200); the fixing component (400) comprises a fixing plate (401); a plurality of limiting plates (402) are arranged on the fixing plate (401); and the coil in the coil component (200) is clamped between two adjacent limiting plates (402).

2. The low-current wireless charging module according to claim 1, characterized in that: The fixing plate (401) is U-shaped, a slot (403) is provided on the side wall of the vertical portion of the fixing plate (401), a buckle plate (404) is clamped in the slot (403), the buckle plate (404) is U-shaped, and the vertical portion of the buckle plate (404) is inserted into the slot (403).

3. The low current wireless charging module according to claim 2, characterized in that: A baffle (405) corresponding one-to-one to the limiting plate (402) is provided at the lower part of the buckle plate (404).

4. The low-current wireless charging module according to claim 3, characterized in that: The buckle plate (404) is an arc-shaped iron plate, and a protective pad is arranged on the inner side of the arc-shaped iron plate.

5. The low current wireless charging module according to claim 4, characterized in that: The baffle (405) is an arc-shaped magnetic plate, and an anti-slip pad is arranged on the inner side of the arc-shaped magnetic plate.

6. The low-current wireless charging module according to claim 5, characterized in that: The fixing plate (401) is detachably mounted on the base plate (100) by means of bolts, and the housing (300) is buckled on the base plate (100).

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