CN216720988U - Lighting-based bidirectional charging equipment - Google Patents
Lighting-based bidirectional charging equipment Download PDFInfo
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- CN216720988U CN216720988U CN202220220473.2U CN202220220473U CN216720988U CN 216720988 U CN216720988 U CN 216720988U CN 202220220473 U CN202220220473 U CN 202220220473U CN 216720988 U CN216720988 U CN 216720988U
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Abstract
The utility model relates to a Lighting-based bidirectional charging device which comprises a charger with a Lighting charging interface and a Type-C charging interface, wherein the Lighting charging interface is used for connecting a Type-C charging connector, and the Type-C charging interface is used for connecting a Type-C charging connector; the charger is internally provided with a one-way charging circuit with the Type-C charging head connected with a Lighting charging head, a charging control loop is further arranged in the Lighting charging interface of the charger, and a protocol loop communicated with a chip of the charging control loop is further arranged in the charger; and when the chips of the protocol loop and the control loop are oppositely electrified, the reverse charging is carried out. The utility model realizes the bidirectional charging function, namely the charging from the Type-C charging head to the lightening charging head can be realized, the charging from the lightening charging head to the Type-C charging head can also be realized, two kinds of equipment can be completed by using one charging data line, the user can realize bidirectional charging through the data line, the data line has two purposes, the use efficiency is improved, and the convenience is improved.
Description
Technical Field
The utility model relates to the technical field of electronic equipment, in particular to Lighting-based bidirectional charging equipment.
Background
With the rapid development of scientific technology, the hardware of electronic equipment (such as mobile phones) is continuously upgraded and new functions are increased day by day; meanwhile, the battery capacity of the electronic equipment is also increased, and the requirement for high-power charging is also increased.
In the design of electronic equipment, the charging data line is generally used for charging the electronic equipment, but the charging data line which is commonly used at present only has a charging function from a charger end to the electronic equipment end. Moreover, with the increasing of the number of users of the iPhone-series mobile phone, the Type-C (charger end) and Lighting (mobile phone end) are generally used at the two ends of the iPhone charging data line, so that the iPhone charging data line can only be charged in one direction and cannot be charged in two directions, thereby bringing great limitation when in use and failing to provide more convenience for users.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the problem that the conventional charging data only has a charging function from a charger end to an electronic device end and cannot be charged bidirectionally, the Lighting-based bidirectional charging device is provided, which can charge the charging data lines bidirectionally and bring great convenience to users.
A bidirectional charging device based on Lighting comprises a charger with a Lighting charging interface and a Type-C charging interface, wherein the Lighting charging interface is used for connecting a Type-C charging connector, the Type-C charging interface is used for connecting a Type-C charging connector, a unidirectional charging circuit with the Type-C charging connector connected with the Lighting charging connector is arranged in the charger, a charging control loop is also arranged in the Lighting charging interface of the charger, and a protocol loop communicated with a chip of the charging control loop is also arranged in the charger; and when the chips of the protocol loop and the control loop are oppositely electrified, the reverse charging is carried out.
As a further improvement of the scheme, when the Type-C charging head is inserted into a Type-C charging interface of a charger, the Type-C charging head charges from a power-taking end to a power-receiving end connected with a Lighting charging head; when the Lighting charging head is inserted into a Lighting charging interface of the charger, a protocol loop inside the charger is communicated with a chip of the charging control loop in the Lighting charging interface of the charger, an Mos tube of the charging control loop in the Lighting charging interface of the charger is opened, the Lighting charging head is a power taking end, and the Type-C charging head is a power receiving end.
As a further aspect of the present invention, the charger is provided with a Type-C charging interface connected to a Type-C charging head and a Lighting charging interface connected to the Lighting charging head, when the Type-C charging head is inserted into the Type-C charging interface, the Type-C charging head is unidirectionally charged to the Lighting charging head, when the Lighting charging head is inserted into the Lighting charging interface, the Lighting charging head is unidirectionally charged to the Type-C charging head, and two types of devices can be completed by using one charging data line, wherein the two types of devices are: connect Lighting to charge the electronic equipment of head and use Type-C to charge the electronic equipment of head, can let the user realize two-way charging through the data line, make the data line dual-purpose, improve the availability factor, increase the convenience.
As a further aspect of the present invention, the Lighting charging interface internal charging control loop of the charger includes a spare Power supply terminal, a chip U1 and a MOS transistor, wherein the spare Power supply terminal is connected to the LIN D-pin of the Lighting charging head internal connector JP1, the output pin 5 of the lower tube of the chip U1 of the charging control loop is connected to the gate G of the MOS transistor, the source S of the MOS transistor is connected to the iPhone Power pin of the Lighting charging head internal connector JP1, the drain D of the MOS transistor is connected to the Power-Hvdd pin of the Lighting charging head internal connector JP1, and the Power-Hvdd pin of the connector JP1 is further connected to the pin 1 of the chip U1.
As a further scheme of the utility model, the LIND + pin of the Lighting charging head internal connector JP1 is connected to the golden finger shell through a pull-down resistor, the pull-down resistor is connected to a CC line for communication identification of original equipment, wherein the pull-down resistor is a 5.1K resistor, and the chip U1 of the Lighting charging head can automatically adapt to the pull-down resistor, so as to balance CC line communication identification without affecting the PD quick charging of the original equipment.
As a further aspect of the present invention, the protocol loop inside the charger includes a chip U2, pin 3 of the chip U2 is connected to an NPN Type triode for controlling fast charging of the original device PD, and pin 4 of the chip U2 is connected to the Power-Hvdd pin of the Type-C charging plug connector JP 2; and a pin 5 and a pin 7 of the chip U2 are connected with a PDCC0 wire for quick charge communication.
As a further scheme of the utility model, when the Lighting charging head is inserted into the Lighting charging interface, the Mos tube of the charging control loop in the Lighting charging interface of the charger is opened, and the Lighting charging head is connected with the original device PD as a power-taking end to supply power to the power-receiving end device connected with the Type-C charging head, so as to realize reverse charging.
As a further aspect of the present invention, a residual voltage discharging MOS transistor is disposed in the Lighting charging head, and when the Pin of the Lighting charging head is pulled out from the power supply device, the residual voltage is quickly discharged as the MOS transistor for turning off the output of the charger, so as to solve the problem that the Pin is short-circuited and burns out the data line due to the structure problem of the Lighting charging head.
Compared with the prior art, the utility model has the beneficial effects that:
the Lighting-based bidirectional charging equipment designed by the utility model realizes a bidirectional charging function, namely the charging from a Type-C charging head to a Lighting charging head can be realized, the charging from the Lighting charging head to the Type-C charging head can also be realized, two kinds of equipment can be completed by using one charging data line, a user can realize bidirectional charging through the data line, the data line has two purposes, the use efficiency is improved, and the convenience is improved.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is an internal circuit diagram of a conventional iphone data line in a Lighting-based bidirectional charging device according to the present invention;
fig. 2 is a schematic circuit diagram of a charging control loop of a conventional iphone data line in a Lighting-based bidirectional charging device according to the present invention.
Fig. 3 is a schematic circuit diagram of a connector of a conventional iphone data line in a Lighting-based bidirectional charging device according to the present invention.
Fig. 4 is a schematic circuit diagram of a bidirectional charging circuit with a reverse charging function in a charger of the Lighting-based bidirectional charging device according to the present invention.
Fig. 5 is a schematic circuit diagram of preventing a Lighting head from being pulled out and momentarily short-circuited in the Lighting-based bidirectional charging device of fig. 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 4, an embodiment of the present invention provides a Lighting-based bidirectional charging device, including a charger having a Lighting charging interface and a Type-C charging interface, where the Lighting charging interface is used to connect a Type-C charging connector, and the Type-C charging interface is used to connect a Type-C charging connector.
In normal use, referring to fig. 1, fig. 1 is an internal circuit diagram of a conventional iphone data line. The charger is internally provided with a one-way charging circuit which enables the Type-C charging head of the commonly used iphone data line to be connected with the Lighting charging head, so that the charger has the function of charging the Type-C charging head to the Lighting charging head when the data line body of the commonly used iphone data line is inserted into the charger. At this moment, when Type-C charges the head and inserts the charger Type-C interface that charges, Type-C charges the head and is for getting the electric end to connecting Lighting and charges the first one-way charging for receiving the electric end of charging, realizes having Type-C to charge the first one-way charging that charges to Lighting.
In this embodiment, the unidirectional charging circuit is an existing circuit having a charging function in a charging data line, but the circuit cannot realize reverse charging and cannot realize a bidirectional charging function.
In this embodiment, a charging control loop is further arranged inside the charger, and the Type-C charging head is provided with a protocol loop communicated with a chip of the charging control loop inside the charger; and when the chips of the protocol loop and the control loop are oppositely electrified, the reverse charging is carried out.
When the Lighting charging head is inserted into a Lighting charging interface of the charger, a protocol loop inside the charger is communicated with a chip of the charging control loop in the Lighting charging interface of the charger, an Mos tube of the charging control loop in the Lighting charging interface of the charger is opened, the Lighting charging head is a power taking end, and the Type-C charging head is a power receiving end.
At this moment, can realize that Lighting charges first to the charging of Type-C head for the user uses a data line that charges to accomplish two kinds of equipment, realizes two-way charging, makes the data line dual-purpose, improves the availability factor, increases the convenience.
In this embodiment, the charger is provided with a Type-C charging interface for connecting a Type-C charging head and a Lighting charging interface for connecting a Lighting charging head.
When a Type-C charging head is inserted into a Type-C charging interface, the Type-C charging head is charged to the Lighting charging head in a one-way mode.
When Lighting charges the head and inserts Lighting when charging the interface, carries out Lighting charges the head extremely Type-C charges the one-way charging of head, uses a charging data line can accomplish two kinds of equipment, and wherein, two kinds of equipment are respectively: connect Lighting to charge the electronic equipment of head and use Type-C to charge the electronic equipment of head, can let the user realize two-way charging through the data line, make the data line dual-purpose, improve the availability factor, increase the convenience.
In this embodiment, referring to fig. 1, fig. 2 and fig. 3, the charging control loop in the Lighting charging interface of the charger includes a standby power supply terminal, a chip U1 and a MOS transistor. The spare Power supply terminal is connected with the LIND-pin of the Lighting charging head internal connector JP1, the output pin 5 of the tube in the chip U1 of the charging control loop is connected with the grid G of the MOS tube, the source S of the MOS tube is connected with the iPhone Power pin of the Lighting charging head internal connector JP1, the drain D of the MOS tube is connected with the Power-Hvdd pin of the Lighting charging head internal connector JP1, and the Power-Hvdd pin of the connector JP1 is also connected with the pin 1 of the chip U1.
Referring to fig. 3, the LIN D + pin of the Lighting charging head internal connector JP1 is connected to the golden finger case through a pull-down resistor, and the pull-down resistor is connected to a CC line for communication identification of original equipment, wherein the pull-down resistor is a 5.1K resistor, and a chip U1 of the Lighting charging head can automatically adapt to the pull-down resistor, so that the communication identification of the CC line is balanced, and the quick charging of the original equipment PD is not affected.
In this embodiment, referring to fig. 1, 4 and 5, a protocol loop inside the charger includes a chip U2, pin 3 of the chip U2 is connected to an NPN transistor for controlling fast charging of the original device PD, and pin 4 of the chip U2 is connected to a Power-Hvdd pin of the Type-C charging plug internal connector JP 2; and a pin 5 and a pin 7 of the chip U2 are connected with a PDCC0 wire for quick charge communication.
When Lighting charges the head and inserts Lighting charges when the interface, Lighting of charger charges the interior Mos pipe that charges control circuit of interface and opens, Lighting charges the head and connects former equipment PD as the end of getting electricity, to the receiving end equipment power supply of Type-C charging head connection, realizes the reverse charging.
Because Lighting charging head is because of the structural problem, lead to the Pin needle short circuit to burn out the data line easily when the plug. In view of the above problem, in an embodiment, a residual voltage discharging MOS transistor is further disposed in the Lighting charging head. Through the rapid discharge MOS tube of residual voltage, can short-term test Pin needle extract the action to close the output MOS tube of charger, thereby solve the light ion charging head because of the structural problem, lead to the problem that Pi n needle short circuit burns out the data line when the plug.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. A bidirectional charging device based on Lighting comprises a charger with a Lighting charging interface and a Type-C charging interface, wherein the Lighting charging interface is used for connecting a Type-C charging connector, and the Type-C charging interface is used for connecting a Type-C charging connector; the charger is characterized in that a unidirectional charging circuit with the Type-C charging head connected with the Lighting charging head is arranged in the charger, a charging control loop is further arranged in the Lighting charging interface of the charger, and a protocol loop communicated with a chip of the charging control loop is further arranged in the charger; and when the chips of the protocol loop and the control loop are oppositely electrified, the reverse charging is carried out.
2. The Lighting-based bidirectional charging equipment as recited in claim 1, wherein when the Type-C charging head is inserted into a Type-C charging interface of a charger, the Type-C charging head charges from a power-taking end to a power-receiving end connected with the Lighting charging head; when the Lighting charging head is inserted into a Lighting charging interface of the charger, a protocol loop inside the charger is communicated with a chip of the charging control loop in the Lighting charging interface of the charger, an Mos tube of the charging control loop in the Lighting charging interface of the charger is opened, the Lighting charging head is a power taking end, and the Type-C charging head is a power receiving end.
3. The Lighting-based bidirectional charging device as recited in claim 2, wherein the charger is provided with a Type-C charging interface for connecting a Type-C charging head and a Lighting charging interface for connecting the Lighting charging head, and when the Type-C charging head is inserted into the Type-C charging interface, unidirectional charging from the Type-C charging head to the Lighting charging head is performed; when the Lighting charging head is inserted into the Lighting charging interface, the Lighting charging head is charged to the Type-C charging head in a one-way mode.
4. The Lighting-based bidirectional charging device as recited in claim 1 or 3, wherein the charging control loop in the Lighting charging interface of the charger comprises a standby power supply terminal, a chip U1 and a MOS transistor;
the spare Power supply terminal is connected with the LIN D-pin of the Lighting charging head internal connector JP1, the output pin 5 of the tube in the chip U1 of the charging control loop is connected with the grid G of the MOS tube, the source S of the MOS tube is connected with the iPhone Power pin of the Lighting charging head internal connector JP1, the drain D of the MOS tube is connected with the Power-Hvdd pin of the Lighting charging head internal connector JP1, and the Power-Hvdd pin of the connector JP1 is also connected with the pin 1 of the chip U1.
5. The Lighting-based bidirectional charging device as claimed in claim 4, wherein the LIND + pin of the Lighting charging head internal connector JP1 is connected to the golden finger case through a pull-down resistor connected to a CC line for communication identification of original equipment, wherein the pull-down resistor is a 5.1K resistor.
6. The Lighting-based bidirectional charging device as claimed in claim 5, wherein the protocol loop inside the charger includes a chip U2, pin 3 of the chip U2 is connected to an NPN transistor for fast charging control of the original device PD, and pin 4 of the chip U2 is connected to the Power-Hvdd pin of the Type-C charging plug connector JP 2.
7. The Lighting-based bidirectional charging device as recited in claim 1, wherein the Lighting charging head is provided with a residual voltage discharging MOS tube, and the charger output is turned off when a Pin of the Lighting charging head is pulled out of the power supply device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220220473.2U CN216720988U (en) | 2022-01-26 | 2022-01-26 | Lighting-based bidirectional charging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220220473.2U CN216720988U (en) | 2022-01-26 | 2022-01-26 | Lighting-based bidirectional charging equipment |
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| Publication Number | Publication Date |
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| CN216720988U true CN216720988U (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220220473.2U Active CN216720988U (en) | 2022-01-26 | 2022-01-26 | Lighting-based bidirectional charging equipment |
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| CN (1) | CN216720988U (en) |
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- 2022-01-26 CN CN202220220473.2U patent/CN216720988U/en active Active
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