CN203301203U - Insertion and extraction prevention charging device - Google Patents

Abstract

The utility model discloses a plug-free charging device, which comprises a charging base and an electronic equipment rear cover. The power output terminal on the electronic device is electrically connected; the back cover of the electronic equipment is suitable for the electronic equipment. There are two conductors on the outer surface of the back cover of the electronic equipment, and there are two conductive contacts on the inner surface of the back cover of the electronic equipment. The two conductive contacts are respectively electrically connected to the two conductors on the outer surface of the battery rear cover of the electronic device, and the two conductive contacts on the inner surface of the electronic device are connected to the reserved on the electronic device after the assembly of the electronic device rear cover and the electronic device. The two charging interfaces are electrically connected after contact; the two conductors of the charging base are adapted to the two conductors on the outer surface of the rear cover of the electronic device, and are electrically connected after contact. It is a plug-free charging device with small volume, simple structure, and no electromagnetic reaction.

Description

Plug-free charging device

technical field

The utility model relates to an electrical appliance charging device, in particular to a plug-free charging device for electronic equipment. the

Background technique

With the rapid rise of "hungry" devices such as smartphones and tablets, the demand for research and development of breakthrough charging technologies such as wireless charging is increasing. Many current wireless charging systems rely on electromagnetic induction between coils, which works in this way The distance is short, the device needs to be placed on the charging stand, and it also consumes a lot of power. The electromagnetic radiation of wireless charging equipment will cause many unfavorable factors to living things. The extra space in a phone, especially a smartphone, is hard to spare for a large charging coil. the

For this circular coil with a diameter of 40mm, a piece of inorganic magnetic material with a thickness of 0.8-2mm is added below (even if the organic magnetic material of Weihang is used, the thickness is 0.2mm). The thickness of the mobile phone needs to be increased. If this component is placed on the circuit board of the mobile phone , also takes up space and crowds out other components. Therefore, all engineers who do mobile phone structural design have a headache, which restricts or hinders the development of wireless charging products. Be a stumbling block. the

To sum up, the current charging device for plug-free electronic equipment has two major problems: large components and harm to the human body caused by electromagnetic charging. the

Utility model content

The technical problem to be solved by the utility model is to overcome the defects of the prior art and propose a plug-free charging device with small volume, simple structure and no electromagnetic reaction. the

The utility model adopts the following technical solutions to realize: a plug-free charging device, which includes a charging base and an electronic equipment rear cover, the charging base includes a power adapter, and the surface of the charging base has two conductors, a positive pole and a negative pole , the two conductors are respectively electrically connected to the power output terminals on the charging base; the back cover of the electronic equipment is suitable for the electronic equipment, and there are two conductors on the outer surface of the back cover of the electronic equipment , there are two conductive contacts on the inner surface of the back cover of the electronic device, and the two conductive contacts on the inner surface are respectively electrically connected to the two conductors on the outer surface of the battery back cover of the electronic device. After the rear cover of the electronic device and the electronic device are assembled, the two conductive contacts are electrically connected to the two charging interfaces reserved on the electronic device;

The two conductors of the charging base are adapted to the two conductors on the back cover of the electronic device, and are electrically connected after contact. the

Wherein, the charging base also includes a mobile power supply. the

Wherein, the charging base has short-circuit protection, overcharge protection, voltage stabilization protection, over-discharge protection, over-current protection and the above short-circuit, over-charge, over-discharge, and self-recovery circuits after the over-current is eliminated. the

Wherein, the charging base further includes a charging switch. the

Wherein, the charging base also includes a charging indicator light. the

Wherein, the charging base also includes an input and output interface. the

Wherein, the charging base further includes a non-slip mat. the

Compared with the prior art, the utility model has the following beneficial effects:

In the utility model, after the electronic equipment replaces the special battery rear cover, it is placed on the charging base, and the two conductors on the outer surface of the special battery rear cover respectively contact with the two conductors on the charging base to realize the electrical connection, and finally The charging base is electrically connected with the wireless charging interface of electronic equipment and other electronic equipment, so as to achieve the purpose of charging the electronic equipment. The utility model improves the existing power adapter or mobile power supply, adds surface output contacts, and adds a conductive structure to the back cover of electronic equipment such as mobile phones or tablet computers, so that electronic equipment such as mobile phones or tablet computers can be plugged and unplugged. It can be used for the purpose of wireless charging, so that it is convenient for users to use. It has a simple structure, lower cost than the existing wireless charging, and almost 100% charging conversion rate is much higher than the current wireless charging 50-70%, high charging efficiency, no radiation Etc. the

Description of drawings

Fig. 1 is the utility model embodiment side view structural representation;

Fig. 2 is a schematic diagram of the front view structure of the charging base of the embodiment of the utility model;

Among them: 1. Charging base, 2. Back cover, 3. Power adapter, 5. Electronic equipment, 51. Charging interface, 11. Conductor on the surface of the upper shell of the charging base, 21. Conductor on the outer surface of the back cover. the

Detailed ways

The specific technical solution of the plug-free charging device proposed by the utility model will be described in detail below in conjunction with the accompanying drawings. the

As shown in the figure, this embodiment is a plug-free charging device, which includes a charging base 1 and an electronic equipment rear cover 2. The charging base 1 includes a power adapter 3, and the surface of the charging base has two positive and negative poles. Conductors 11, the two conductors 11 are respectively electrically connected to the power output terminals on the charging base; the electronic equipment rear cover 2 is suitable for the electronic equipment 5, and the electronic equipment rear cover 2 There are two conductors 21 on the outer surface, and there are two conductive contacts on the inner surface of the back cover of the electronic device 2, and the two conductive contacts on the inner surface are respectively connected to the outer surface of the battery back cover of the electronic device. The two conductors 21 are electrically connected, and after the electronic device rear cover 2 and the electronic device 5 are assembled, the two conductive contacts are electrically connected with the two charging interfaces 51 reserved on the electronic device;

The two conductors 11 of the charging base 1 are adapted to the two conductors 21 on the back cover 2 of the electronic device, and are electrically connected after contact. the

Wherein, the charging base 1 also includes a mobile power supply. the

Wherein, the charging base 1 has short-circuit protection, overcharge protection, voltage stabilization protection, over-discharge protection, over-current protection and the above short-circuit, over-charge, over-discharge, and self-recovery circuits after the over-current is eliminated. the

Wherein, the charging base 1 also includes a charging switch. the

Wherein, the charging base 1 also includes a charging indicator light. the

Wherein, the charging base also includes an input and output interface. the

Wherein, the charging base further includes a non-slip mat. the

Compared with the prior art, the utility model has the following beneficial effects:

In the utility model, when the electronic device is replaced with the special battery rear cover 2, it is placed on the charging base 1, and the two conductors 21 on the special battery rear cover are in contact with the two conductors 11 on the charging base 1 respectively, so as to realize electric charging. Finally, the charging base 1 and the charging interface of the electronic equipment such as the electronic equipment 5 realize an electrical connection, so as to achieve the purpose of charging the electronic equipment. The utility model improves the existing power adapter or mobile power supply, adds surface output contacts, and adds a conductive structure to the back cover of electronic equipment such as mobile phones or tablet computers, so that electronic equipment such as mobile phones or tablet computers can be plugged and unplugged. It can carry out the purpose similar to wireless charging, so that it is convenient for users to use. It has a simple structure, lower cost than existing wireless charging, and almost 100% charging conversion rate is much higher than the current wireless charging 50-70%, high charging efficiency, no radiation Etc. the

At present, a large number of mobile phones and tablet devices on the market are reserved with charging contact interfaces, such as Samsung S4, Samsung S3 and Samsung NOTE2. the

Therefore, the utility model not only has the plug-free function of the existing plug-free charging device, but also has a small volume, a simple structure, and no electromagnetic reaction. the

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models. the

Claims (7)

1. A plug-free charging device, characterized in that it includes a charging base and an electronic equipment rear cover, the charging base includes a power adapter, and the surface of the charging base has two conductors, a positive pole and a negative pole. The two conductors are respectively electrically linked with the power output terminals on the charging base; the back cover of the electronic equipment is suitable for the electronic equipment, and there are two conductors on the outer surface of the back cover of the electronic equipment. There are two conductive contacts on the inner surface of the back cover of the electronic device, and the two conductive contacts are respectively electrically connected to the two conductors on the outer surface of the battery rear cover of the electronic device. After the cover plate and the electronic device are assembled, the two conductive contacts are electrically connected to the two charging interfaces reserved on the electronic device; The two conductors of the charging base are adapted to the two conductors on the outer surface of the rear cover of the electronic device, and are electrically connected after contact. 2. The plug-free charging device according to claim 1, wherein the charging base further comprises a mobile power supply. 3. The plug-free charging device according to claim 1, characterized in that, the charging base has short-circuit protection, overcharge protection, voltage stabilization protection, over-discharge protection, over-current protection and the above short circuit, overcharge, over put, the self-recovery circuit after the over-current is eliminated. 4. The plug-free charging device according to claim 1, wherein the charging base further comprises a charging switch. 5. The plug-free charging device according to claim 1, wherein the charging base further comprises a charging indicator light. 6. The plug-free charging device according to claim 1, wherein the charging base further comprises an input and output interface. 7. The plug-free charging device according to claim 1, wherein the charging base further comprises a non-slip pad.

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