CN213717692U

CN213717692U - Contact type wireless charger

Info

Publication number: CN213717692U
Application number: CN202022683862.2U
Authority: CN
Inventors: 麦广树
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-16
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to a contact wireless charger with convenient use, simple structure and high charging efficiency, which comprises a charging body internally provided with a switch power supply circuit and a clamping seat provided with a mobile phone holding cavity, wherein the side wall of the charging body is provided with a T-shaped groove, and the charging body is also provided with a positive and negative elastic contact piece which is electrically connected with the output end of the switch power supply circuit; the side edge of the clamping seat is provided with a T-shaped rib matched with the T-shaped groove, the clamping seat is provided with a positive contact and a negative contact which are respectively matched with the positive elastic contact and the negative elastic contact after the T-shaped rib is clamped into the T-shaped groove, and the positive contact and the negative contact are respectively electrically connected with a positive output electrode and a negative output electrode which are arranged at the bottom of the mobile phone accommodating cavity; when the mobile phone is used, the mobile phone is placed into the mobile phone accommodating cavity of the clamping seat, the positive and negative input electrodes at the lower end of the mobile phone respectively press the positive and negative output electrodes, and the output end of the switch power circuit sends charging power into the mobile phone through the positive and negative elastic contact pieces, the positive and negative contacts, the positive and negative output electrodes and the positive and negative input electrodes to charge the rechargeable battery after the switch power circuit is switched on.

Description

Contact type wireless charger

Technical Field

The utility model relates to a charger especially relates to a wireless charger of contact.

Background

At present, the charging modes of digital products such as mobile phones, mobile power supplies and the like are mainly divided into two modes of line charging and wireless charging, wherein the line charging is realized by connecting a charger and the mobile phone (or the mobile power supply) through a charging wire, and the traditional charging mode is adopted; the principle of the wireless charging is that a transmitting coil capable of generating an alternating electromagnetic field within a range of several centimeters nearby is arranged in the charger, a receiving coil and a rectifying, filtering and controlling circuit are arranged in the mobile phone, the receiving coil in the mobile phone generates electric potential in the receiving coil under the electromagnetic induction of the alternating electromagnetic field generated by the transmitting coil during charging, and the battery in the mobile phone can be charged after rectification and filtering. When the existing mobile phone electromagnetic induction charging scheme is used, a charger is not required to be connected with a mobile phone, so that the mobile phone electromagnetic induction charging scheme is convenient to use, but has the defects of high cost, low charging efficiency, overhigh integral temperature rise of the mobile phone caused by heating of a receiving coil arranged in the mobile phone and the like.

Disclosure of Invention

The utility model aims at providing a convenient to use, simple structure, the wireless charger of contact that charging efficiency is high in order to solve the problem that charging efficiency is low, the built-in receiving coil of cell-phone that exists among the wireless charger of current cell-phone generates heat and leads to the whole temperature rise of cell-phone too high.

The purpose of the utility model is realized like this: a contact type wireless charger comprises a charging body internally provided with a switching power supply circuit and a clamping seat provided with a mobile phone accommodating cavity, wherein the side wall of the charging body is provided with a T-shaped groove, and the charging body is respectively provided with a positive elastic contact piece and a negative elastic contact piece which are electrically connected with the output end of the switching power supply circuit; the side edge of the clamping seat is provided with a T-shaped rib matched with the T-shaped groove, the clamping seat is also provided with a positive contact and a negative contact which are respectively matched with the positive elastic contact and the negative elastic contact after the T-shaped rib is clamped into the T-shaped groove, and the positive contact and the negative contact are respectively electrically connected with a positive output electrode and a negative output electrode which are arranged at the bottom of the mobile phone accommodating cavity; when the mobile phone charging device is used, a mobile phone is placed into a mobile phone accommodating cavity of the clamping seat, positive and negative input electrodes at the lower end of the mobile phone respectively press the positive and negative output electrodes, and after a switch power supply circuit in the charging body is powered on, the output end of the switch power supply circuit sends charging power into the mobile phone through the positive and negative elastic contact pieces, the positive and negative contacts, the positive and negative output electrodes and the positive and negative input electrodes (the positive and negative input electrodes are electrically connected with a charging management circuit of the mobile phone) to charge a rechargeable battery.

The positive and negative elastic contact pieces are positioned in the T-shaped groove.

The positive and negative output electrodes are welded on the connecting PCB, and the positive and negative contacts are arranged on the connecting PCB.

The sliding direction of the T-shaped rib in the T-shaped groove is vertical to the horizontal plane, and the positive contact and the negative contact are arranged right below the T-shaped rib; and the positive and negative contacts are arranged along the up-down direction, and the corresponding positive and negative elastic contact pieces are also arranged along the up-down direction.

The switching power supply circuit is arranged in the power supply PCB, and the positive and negative elastic contact pieces are welded on the power supply PCB.

And a limiting mechanism for limiting the T-shaped rib to slide to the end point position in the T-shaped groove is arranged between the charging body and the clamping seat. The limiting mechanism can be a stop block arranged on the charging body and positioned in the T-shaped groove or a stop wing arranged at the outer end part of the T-shaped rib.

Owing to adopted technical scheme, positive negative input electrode with be the contact electricity between the positive negative output electrode and connect, switch circuit's output is to the charge management circuit in the cell-phone between whole adoption electric connection mode is connected promptly, its charge mode fills the same with current line, does not have electromagnetic receiving coil and electromagnetic transmitting coil in the cell-phone and the charging body, does not have the coil and generates heat, so its charge efficiency will be than the wireless efficient that charges of electromagnetic type, combines the wireless cell-phone that charges of the contact that has now disclosed or the wireless cell-phone shell that charges of contact patent application scheme such as contact (mainly the patent application scheme that has applied for before the person before and open), can be in order to guarantee the cell-phone and put into behind the cell-phone holding chamber positive negative income electrode with positive negative output electrode contact is good, gets and put freely, convenient to use.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an exploded perspective view of an embodiment of the contact wireless charger of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of a portion B in fig. 1.

Fig. 4 is a partially enlarged view of a portion C in fig. 1.

Fig. 5 is an exploded perspective view of the cartridge of fig. 1.

Fig. 6 is a perspective view of the parts of fig. 5 assembled together.

Fig. 7 is a partially enlarged view of a portion D in fig. 5.

Fig. 8 is a partially enlarged view of a portion E in fig. 6.

Fig. 9 is a perspective view of the parts of fig. 1 assembled together.

Fig. 10 is a perspective view of the mobile phone of the present invention along the back direction.

Fig. 11 is a partially enlarged view of a portion F in fig. 10.

Fig. 12 is a perspective view of the mobile phone shown in fig. 10 after the mobile phone accommodating cavities of the two clamping seats in fig. 9 are respectively placed in.

Fig. 13 is an exploded perspective view of another embodiment of the contact wireless charger of the present invention.

Fig. 14 is a partially enlarged view of a portion H in fig. 13.

Fig. 15 is a perspective view of the charging body of fig. 13 from another angle.

Figure 16 is a perspective view of the parts of figure 13 assembled together.

Fig. 17 is a perspective view of the mobile phone shown in fig. 10 after the mobile phone is placed in the mobile phone accommodating cavities of the two clamping seats in fig. 16.

In the figure, 1, a panel, 2, a power supply PCB, 3, a cover plate, 4, a base, 5, a clamping seat, 51, a mobile phone accommodating cavity, 52, a T-shaped rib, 521, a root, 21, a positive elastic contact piece, 22, a negative elastic contact piece, 11, a T-shaped groove, 111, a notch, 50, a connecting PCB, 503, a positive output electrode, 504, a negative output electrode, 501, a positive contact, 502, a negative contact, 9, a mobile phone, 93, a positive input electrode, 94, a negative input electrode, 6, a charging body, 62 and a pin are shown.

Detailed Description

First embodiment, fig. 1 is a three-dimensional exploded view of an embodiment of contact wireless charger, this contact wireless charger comprises a body and two joint seats of charging, can charge two cell-phones simultaneously, all is equipped with T shape muscle in the both sides of connecting the cassette moreover, and two are connected the cassette size and the structure is the same.

As shown in fig. 1, the contact type wireless charger comprises a charging body and two clamping seats 5 arranged on the left and right sides of the charging body and provided with a mobile phone accommodating cavity 51, wherein the charging body is composed of a panel 1, a cover plate 3 and a power supply PCB 2, the power supply PCB 2 is fixed in a space enclosed between a cavity on the back of the panel 1 and the cover plate 3, and a base 4 is fixed on a wall and used for fixing the charging body; two sides of the panel 1 are respectively provided with a T-shaped groove 11 which is vertically arranged and is shown in fig. 4, the lowest part of the T-shaped groove is provided with a stop block for limiting, two ends of a power supply PCB board which is internally provided with a switching power supply circuit are respectively provided with a positive elastic contact piece 21 and a negative elastic contact piece 22 which are vertically arranged and are shown in fig. 3, and the positive elastic contact piece 21 and the negative elastic contact piece 22 are respectively positioned at the lower part in the T-shaped groove 11 shown in fig. 4; two side edges of the clamping seat 5 are respectively provided with a T-shaped rib 52 which is vertically arranged and is shown in fig. 2 (namely, the sliding direction of the T-shaped rib in the T-shaped groove is vertical to the horizontal plane); referring to fig. 1 and 5, it can be seen from fig. 5 that the lower portion of the back of the fastening seat 5 is provided with a notch, and the connecting PCB 50 is fixed by screws after the positive output electrode 503 and the negative output electrode 504 extend into the lower portion of the mobile phone accommodating cavity through the notch (as shown in fig. 6); it can be seen from fig. 5, 6, 7 and 8 that the two ends of the connecting PCB are respectively provided with the positive contact 501 and the negative contact 502 arranged up and down as shown in fig. 7 and 8, and the thickness of the connecting PCB shown in fig. 7 is not larger than the thickness of the root 521 of the T-shaped rib 52 shown in fig. 2 and the part of the connecting PCB where the positive and negative contacts are arranged is located right below the T-shaped rib 52 (returning to fig. 1, it can also be seen that the end of the connecting PCB 50 where the positive and negative contacts are arranged is located right below the T-shaped rib).

Returning to fig. 1, during assembly, the power PCB is fixed in the cavity formed by the panel 1 and the cover plate 3, then the charging body is fixed with the base fixed on the wall by screws, and then the T-shaped ribs on the left and right connecting clamping seats are pushed downward against the corresponding T-shaped grooves on the panel until the T-shaped ribs slide to the point that the lower ends of the T-shaped ribs are limited by the stoppers of the T-shaped grooves, at this time, the positive and negative elastic contact pieces respectively press the corresponding positive and negative contacts, and the state at this time is as shown in fig. 8.

The utility model discloses use the cell-phone 9 that fig. 10 is shown, the intersection of cell-phone 9's back and downside is equipped with positive input electrode 93 and negative input electrode 94 shown in fig. 11 respectively, and positive input electrode 93 and negative input electrode 94 are connected with the power management circuit electricity in the cell-phone respectively.

When the mobile phone is used, the mobile phone with the forward screen is directly placed into the mobile phone accommodating cavity of the clamping seat, so that the positive and negative input electrodes at the lower end of the mobile phone can respectively press the positive and negative output electrodes, the using state is as shown in figure 12, after the switching power supply circuit in the charging body is switched on, the output end of the switching power supply circuit sends charging power into the mobile phone through the positive and negative elastic contact pieces, the positive and negative contacts, the positive and negative output electrodes and the positive and negative input electrodes to charge the rechargeable battery.

The stop in the T-shaped slot in the first embodiment may be replaced by a stop wing arranged at the upper end of the T-shaped rib, and when the T-shaped rib slides in the T-shaped slot until the stop wing stops the port at the upper part of the T-shaped slot, the T-shaped rib can not slide downwards any more and is limited.

In the second embodiment, fig. 13 is an exploded perspective view of another embodiment of the contact-type wireless charger of the present invention, in this embodiment, the charging body 6 is provided with a built-in switching power supply circuit and has a household power pin 62 (as shown in fig. 15, the three-pin plug is matched with the three-pin socket in the household electrical socket), in this embodiment, the same socket as the first embodiment is used, in combination with fig. 13 and 14, it can be seen that two sides of the charging body 6 are respectively provided with a T-shaped slot 11 matched with a T-shaped rib on the socket, and the positions of the positive and negative elastic contact pieces in the charging body are also the same as the positions of the positive and negative elastic contact pieces in the first embodiment; FIG. 16 is an external view of the parts of FIG. 13 assembled together, and the same embodiment uses the cellular phone of FIG. 10; the charging state diagram of the mobile phone of the present embodiment is shown in fig. 17; on the basis of the first embodiment, those skilled in the art can fully understand the structural principle of the second embodiment, and details are not described herein.

The T-shaped rib and the T-shaped groove can be replaced by a dovetail rib and a dovetail groove respectively.

Claims

1. A contact type wireless charger comprises a charging body internally provided with a switching power supply circuit and a clamping seat provided with a mobile phone accommodating cavity, and is characterized in that the side wall of the charging body is provided with a T-shaped groove, and positive and negative elastic contact pieces electrically connected with the output end of the switching power supply circuit are respectively arranged on the charging body; the side of the clamping seat is provided with a T-shaped rib matched with the T-shaped groove, the clamping seat is further provided with a positive contact and a negative contact which are respectively matched with the positive elastic contact and the negative elastic contact after the T-shaped rib is clamped into the T-shaped groove, and the positive contact and the negative contact are respectively electrically connected with a positive output electrode and a negative output electrode which are arranged at the bottom of the mobile phone accommodating cavity.

2. The contact-type wireless charger according to claim 1, wherein the positive and negative resilient contact is located in the T-shaped slot.

3. The contact type wireless charger according to claim 2, wherein the positive and negative output electrodes are soldered to a connection PCB board, and the positive and negative contacts are disposed on the connection PCB board.

4. The contact type wireless charger according to claim 3, wherein the sliding direction of the T-shaped rib in the T-shaped groove is perpendicular to the horizontal plane, and the positive and negative contacts are arranged right below the T-shaped rib.

5. The contact type wireless charger according to claim 4, wherein the positive and negative contacts are arranged in an up-down direction.

6. A contact type wireless charger according to claim 1, 2, 3, 4 or 5, wherein the switch power circuit is disposed in a power PCB board, and the positive and negative elastic contact pieces are soldered on the power PCB board.

7. The contact type wireless charger according to claim 1, 2, 3, 4 or 5, wherein a limiting mechanism is arranged between the charging body and the clamping seat for limiting the T-shaped rib to slide to a terminal position in the T-shaped groove.

8. The contact type wireless charger according to claim 6, wherein a limiting mechanism for limiting the T-shaped rib to slide to a terminal position in the T-shaped groove is arranged between the charging body and the clamping seat.

9. The contact type wireless charger according to claim 7, wherein the position-limiting mechanism is a stopper disposed on the charging body and located in the T-shaped slot or a stopper wing disposed at an outer end of the T-shaped rib.

10. The contact type wireless charger according to claim 8, wherein the position-limiting mechanism is a stopper disposed on the charging body and located in the T-shaped slot or a stopper wing disposed at an outer end of the T-shaped rib.