CN212649146U

CN212649146U - Charger with lightning protection function

Info

Publication number: CN212649146U
Application number: CN202021578005.XU
Authority: CN
Inventors: 阳宗田; 平威; 曹劲松; 张明来; 刘庚桥; 陈小波
Original assignee: Chongqing Lianmao Electronic Co ltd
Current assignee: Chongqing Lianmao Electronic Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-03-02
Anticipated expiration: 2030-08-03

Abstract

The utility model discloses a charger with lightning protection function, which comprises a housin, the interior rear surface of casing is provided with the backup pad, the upper surface of backup pad is provided with the circuit board, the lower surface right side of backup pad is provided with transformer and circuit protector, the inside rear side wall of casing is provided with the box, the inside of box is provided with the base, the upper surface of base is provided with first connecting piece, first connecting piece is connected with the second connecting piece, the right flank of second connecting piece is provided with the antenna, the outer right surface of box is provided with the sleeve, the inside rear side wall second baffle of casing, it has the through-hole to open on the second baffle, through-hole and telescopic inside are provided with the guide arm, the right flank of base is opened flutedly. The utility model discloses can protect the charger lightning protection, total two sets of protection device can effectually avoid the charger to damage, simple structure, and manufacturing cost is lower, has good market prospect.

Description

Charger with lightning protection function

Technical Field

The utility model relates to a charger technical field, concrete field is a charger with lightning protection hits function.

Background

With the improvement of living standard, handheld electronic products such as tablet computers, electronic books, mobile phones, media players and the like have become one of the necessary products in daily life, chargers are widely used in modern society, a handheld electronic device is usually charged by a charger, and the charger provides an interface connected to a power supply for the handheld electronic device, so as to provide reliable direct current for electric equipment capable of storing electric energy. Because a large amount of electronic equipment is arranged in the charger, and the currently used charger does not have the lightning protection function, the charger is easy to damage in thunderstorm weather, and potential safety hazards are easy to cause in thunderstorm weather.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a charger with lightning protection function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a charger with a lightning protection function comprises a shell, wherein a supporting plate is arranged on the inner rear surface of the shell, a circuit board is arranged on the upper surface of the supporting plate, a transformer is arranged on the right side of the lower surface of the supporting plate, a circuit protector is arranged on the left side of the lower surface of the supporting plate, a box body is arranged on the left side of the inner rear surface of the shell and above the circuit board, a base is arranged inside the box body, a first connecting piece is arranged on the upper surface of the base and connected with a second connecting piece, an antenna is arranged on the right side surface of the second connecting piece, a sleeve is arranged on the outer right surface of the box body, a second baffle is arranged on the right side of the sleeve and on the inner rear surface of the shell, a through hole is formed in the second baffle, a guide rod is arranged inside the through hole and the sleeve, and a spring, the spring seat is provided with a spring, the right side face of the base is provided with a groove, a contact piece is arranged inside the groove, the left end of the guide rod penetrates through the right side wall of the box body, the left end face of the guide rod is provided with a contact, the contact is in contact with the contact piece, a first DC interface is arranged above the right surface of the inside of the shell, a USB interface is arranged below the right surface of the inside of the shell, and a second DC interface is arranged below the left surface of the inside of the shell.

Preferably, the antenna comprises a first sleeve, a second sleeve and a third sleeve, the second sleeve is arranged inside the first sleeve, the third sleeve is arranged inside the second sleeve, a stop block is arranged on the right end face of the third sleeve, and anti-skid stripes are arranged on the side faces of the stop block.

Preferably, the first DC interface is connected with a first DC plug, the first DC plug is connected with one end of a wire, the other end of the wire is connected with the first plug, the second DC interface is connected with a second DC plug, the second DC plug is connected with one end of the wire, and the other end of the wire is connected with a second plug.

Preferably, the circuit protector comprises two voltage dependent resistors and a secondary gas discharge tube, and the two voltage dependent resistors are zinc oxide voltage dependent resistors with temperature fuses inside.

Preferably, the lower surface of the supporting plate and the left and right sides of the transformer are both provided with gaskets, the lower end surfaces of the two gaskets are provided with first baffle plates, and the upper surfaces of the first baffle plates are in contact with the transformer.

Compared with the prior art, the beneficial effects of the utility model are that: a charger with lightning protection function, the utility model discloses through the design of antenna, contact, guide arm, first DC interface, first DC plug and first plug, can pour the electric current into the earth, carry out the first heavy protection to the charger; the utility model can effectively eliminate the current entering the charger through the design of the circuit protector, protect the electronic components in the charger and prevent the electronic components from being damaged; to sum up, the utility model discloses can protect the charger lightning protection, total two sets of protection device, duplicate protection mode can effectually avoid the charger to damage, simple structure moreover, and it is easy to make, and manufacturing cost is lower, has good market prospect.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic structural view of a first DC interface external device according to the present invention;

fig. 4 is a schematic structural diagram of a second DC interface external device according to the present invention.

In the figure: 1-shell, 2-supporting plate, 3-circuit board, 4-transformer, 5-first DC plug, 6-first plug, 7-second DC plug, 8-second plug, 9-gasket, 10-first baffle, 11-box, 12-base, 13-circuit protector, 14-first connecting piece, 15-second connecting piece, 16-antenna, 17-sleeve, 18-second baffle, 19-guide rod, 20-spring seat, 21-spring, 22-groove, 23-contact, 24-contact, 25-first DC interface, 26-USB interface, 27-second DC interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a charger with a lightning protection function comprises a shell 1, wherein a supporting plate 2 is arranged on the inner rear surface of the shell 1, the supporting plate 2 plays a role in supporting and fixing, a circuit board 3 is arranged on the upper surface of the supporting plate 2, a charging circuit is arranged on the circuit board 3 and converts alternating current into direct current so as to charge equipment, a transformer 4 is arranged on the right side of the lower surface of the supporting plate 2 and plays a role in changing voltage, a circuit protector 13 is arranged on the left side of the lower surface of the supporting plate 2, a differential mode protection circuit is arranged on the circuit protector 13 and protects electronic components in the charger, a box body 11 is arranged on the left side of the inner rear surface of the shell 1 and above the circuit board 3, a base 12 is arranged inside the box body 11, the base 12 and the box body 11 are in transition fit, and the base 12 can move inside the box body 11 under the action of, the upper surface of the base 12 is provided with a first connecting piece 14, the first connecting piece 14 is rotatably connected with a second connecting piece 15, the right side surface of the second connecting piece 15 is provided with an antenna 16, the antenna 16 can rotate around the base 12, the outer right surface of the box body 11 is provided with a sleeve 17, the inner rear surface of the shell 1 and the right side of the sleeve 17 are provided with a second baffle 18, the sleeve 17 and the second baffle 18 play a role in supporting and limiting, a through hole is formed in the second baffle 18, a guide rod 19 is arranged in the through hole and the sleeve 17, a spring seat 20 is arranged on the guide rod 19 and positioned between the sleeve 17 and the second baffle 18, a spring 21 is arranged on the spring seat 20, the spring seat 20 drives the guide rod 19 to move towards the left under the pushing of the spring 21, the right side surface of the base 12 is provided with a groove 22, and a contact piece 23 is arranged in the groove 22, the left end of the guide rod 19 penetrates through the right side wall of the box body 11, a contact 24 is arranged on the left end face of the guide rod 19, the contact 24 is always in contact with the contact piece 23 under the pushing of the spring 21 and keeps a communicated state, a first DC interface 25 is arranged above the right surface of the inside of the shell 1, a USB interface 26 is arranged below the right surface of the inside of the shell 1, and a second DC interface 27 is arranged below the left surface of the inside of the shell 1.

Specifically, the antenna 16 is composed of a first sleeve, a second sleeve and a third sleeve, the second sleeve is arranged in the first sleeve, the third sleeve is arranged in the second sleeve, and the antenna 16 can be pulled out or retracted, so that the purpose of adjusting the length of the antenna is achieved.

Specifically, the first DC interface 25 is connected with a first DC plug 5, the first DC plug 5 is connected with one end of a wire, the other end of the wire is connected with a first plug 6, the first plug 6 has only one binding post for being connected with a socket ground wire hole, the second DC interface 27 is connected with a second DC plug 7, the second DC plug 7 is connected with one end of a wire, the other end of the wire is connected with a second plug 8, and the second plug 8 is normally inserted into the socket for charging equipment.

Specifically, the circuit protector 13 includes two voltage dependent resistors and a secondary gas discharge tube, the two voltage dependent resistors are zinc oxide voltage dependent resistors whose inner portions contain temperature fuses, and a single-phase balanced circuit is formed by the two voltage dependent resistors and the secondary gas discharge tube, and the two voltage dependent resistors are connected in series and then connected in parallel between a phase line L and a neutral line N of the power plug to form a differential mode protection circuit.

Specifically, the lower surface of the supporting plate 2 and the left and right sides of the transformer 4 are provided with gaskets 9, the lower end surfaces of the two gaskets 9 are provided with first baffle plates 10, the upper surface of each first baffle plate 10 is in contact with the transformer 4, and the first baffle plates 10 play a role in fixing the transformer 4.

The working principle is as follows: the utility model discloses can protect the charger lightning protection, avoid the charger to damage, eliminate the potential safety hazard. The utility model discloses there are two sets of protection devices altogether, when meeting with the thunderstorm weather, the user can open antenna 16, then insert first DC plug 5 into first DC interface 25, insert first plug 6 into the earth connection mouth of row of inserting, when the charger meets the thunderbolt like this, antenna 16 can attract the electric current to loop through second connecting piece 15, first connecting piece 14, contact 23, contact 24, guide arm 19 and wire and flow into first DC interface 25 in proper order, then flow into the earth connection mouth of row of inserting through first DC plug 5, wire and first plug 6, flow into the ground at last, protect the charger; if partial current flows into the charger, the circuit protector 13 starts to work, the piezoresistor in the circuit protector 13 and a single-phase balanced circuit formed by a secondary gas discharge tube are connected in parallel between a phase line L and a neutral line N of a power plug after being connected in series to form a differential mode protection circuit, and electronic components in the charger are protected.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of description and attached drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model is including the conventional connected mode of circuit connection adoption conventional among the prior art, and here detailed description is not again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A charger with a lightning protection function comprises a shell (1), and is characterized in that: the transformer is characterized in that a supporting plate (2) is arranged on the inner rear surface of the shell (1), a circuit board (3) is arranged on the upper surface of the supporting plate (2), a transformer (4) is arranged on the right side of the lower surface of the supporting plate (2), a circuit protector (13) is arranged on the left side of the lower surface of the supporting plate (2), a box body (11) is arranged on the left side of the inner rear surface of the shell (1) and above the circuit board (3), a base (12) is arranged inside the box body (11), a first connecting piece (14) is arranged on the upper surface of the base (12), a second connecting piece (15) is connected to the first connecting piece (14), an antenna (16) is arranged on the right side surface of the second connecting piece (15), a sleeve (17) is arranged on the outer right surface of the box body (11), a second baffle (18) is arranged on the right side of, a through hole is arranged on the second baffle (18), a guide rod (19) is arranged in the through hole and the sleeve (17), a spring seat (20) is arranged on the guide rod (19) and between the sleeve (17) and the second baffle (18), a spring (21) is arranged on the spring seat (20), a groove (22) is formed in the right side surface of the base (12), a contact piece (23) is arranged in the groove (22), the left end of the guide rod (19) penetrates through the right side wall of the box body (11), a contact (24) is arranged on the left end surface of the guide rod (19), the contact (24) is contacted with the contact sheet (23), a first DC interface (25) is arranged above the right surface of the interior of the shell (1), a USB interface (26) is arranged below the right surface of the interior of the shell (1), a second DC interface (27) is arranged below the inner left surface of the shell (1).

2. The charger with the lightning protection function according to claim 1, wherein: the antenna (16) is composed of a first sleeve, a second sleeve and a third sleeve, the second sleeve is arranged inside the first sleeve, the third sleeve is arranged inside the second sleeve, a stop block is arranged on the right end face of the third sleeve, and anti-skid stripes are arranged on the side face of the stop block.

3. The charger with the lightning protection function according to claim 1, wherein: the first DC interface (25) is connected with a first DC plug (5), the first DC plug (5) is connected with one end of a wire, the other end of the wire is connected with a first plug (6) and connected, the second DC interface (27) is connected with a second DC plug (7), the second DC plug (7) is connected with one end of the wire, and the other end of the wire is connected with a second plug (8).

4. The charger with the lightning protection function according to claim 1, wherein: the circuit protector (13) comprises two voltage dependent resistors and a secondary gas discharge tube, wherein the two voltage dependent resistors are zinc oxide voltage dependent resistors with temperature fuses inside.

5. The charger with the lightning protection function according to claim 1, wherein: the lower surface of backup pad (2) just is located the left and right sides of transformer (4) and all is provided with packing ring (9), two the lower terminal surface of packing ring (9) is provided with first baffle (10), the upper surface and the transformer (4) contact of first baffle (10).