CN212626416U - Multichannel power adapter and multichannel power adaptation system - Google Patents
Multichannel power adapter and multichannel power adaptation system Download PDFInfo
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- CN212626416U CN212626416U CN202020946839.5U CN202020946839U CN212626416U CN 212626416 U CN212626416 U CN 212626416U CN 202020946839 U CN202020946839 U CN 202020946839U CN 212626416 U CN212626416 U CN 212626416U
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Abstract
The utility model discloses a multichannel power adapter and multichannel power adaptation system, include: a control unit, a plurality of device interfaces and a housing; the control unit comprises a voltage reduction control module and a PD protocol control module; the plurality of equipment interfaces comprise a USB interface, a Type-C interface, a plurality of DC interfaces and a plurality of D-tap interfaces; the USB interface and the plurality of DC interfaces are respectively electrically connected with the voltage reduction control module; the Type-C interface is electrically connected with the PD protocol control module; the voltage reduction control module and the PD protocol control module are respectively and electrically connected to the power bus; the control unit is arranged in the shell, and the plurality of equipment interfaces are respectively arranged on the outer side of the shell and connected with other electric equipment. The utility model discloses multichannel power adapter has integrateed multiple converting circuit, can provide multiple input voltage type and multiple output voltage grade, satisfies the pluralism demand of jointing equipment, and a tractor serves several purposes, compact structure, the security is strong, is applicable to more scenes.
Description
Technical Field
The utility model belongs to the technical field of the battery charging outfit technique and specifically relates to a multichannel power adapter and system is related to.
Background
The adapter is an interface converter, which can be an independent hardware interface device, allows the hardware or electronic interface to be connected with other hardware or electronic interfaces, and can also be an information interface; the power adapter is one kind of adapter, and is a power supply conversion device for small portable electronic equipment and electronic appliances. Most of the existing mainstream power adapters use a single voltage as input, and provide a plurality of other DC voltage outputs when providing USB and TYPE-C outputs through a single voltage output or two voltage outputs. The TYPE-C adapter in the market is a single voltage input and a single voltage output, and cannot provide output of other TYPEs of voltages. Neither of the above two modes can realize the application of multi-voltage input and multi-voltage output. The existing mainstream power adapter cannot meet the requirements of quick update iteration and diversified support of electronic equipment. Particularly, in the field of video and television, a demand for a diversified power adapter is high for satisfying the electronic devices supporting different types of outputs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multichannel power adapter can provide multiple input interface and output interface, and multiple voltage mode can be connected in the input, and the output voltage grade is diversified, has satisfied different electronic equipment's pluralism switching demand simultaneously, and design simple structure, the volume is light, conveniently carries, provides multiple choice for the user, has richened use scene and range of application.
On the one hand, according to the utility model provides a multichannel power adapter is proposed, include: a control unit, a plurality of device interfaces and a housing;
the control unit comprises a voltage reduction control module and a PD protocol control module;
the plurality of equipment interfaces comprise a USB interface, a Type-C interface, a plurality of DC interfaces and a plurality of D-tap interfaces;
the USB interface and the plurality of DC interfaces are respectively electrically connected with the voltage reduction control module;
the Type-C interface is electrically connected with the PD protocol control module;
the voltage reduction control module and the PD protocol control module are respectively and electrically connected to the power bus;
the control unit is arranged in the shell, and the plurality of equipment interfaces are respectively arranged on the outer side of the shell and connected with other electric equipment.
According to the utility model discloses an aspect, PD protocol control module includes PD protocol controller and inside buck-boost controller, and Type-C interface is connected with PD protocol controller and inside buck-boost controller electricity respectively.
According to the utility model discloses an aspect, Type-C interface is the two-way connecing of input and output.
According to an aspect of the embodiment of the present invention, the plurality of D-tap interfaces include a first D-tap interface and a second D-tap interface, and the first D-tap interface and the second D-tap interface are electrically connected to the power bus.
According to an aspect of the embodiment of the present invention, the first D-tap interface and the second D-tap interface are input/output bi-directional interfaces.
According to an aspect of the embodiments of the present invention, the first D-tap interface and the second D-tap interface are connected to the power bus through parallel backward diodes, respectively.
According to an aspect of an embodiment of the present invention, the plurality of DC interfaces includes a first DC interface and a second DC interface, an output of the first DC interface is 12V/3A; the output of the second DC interface is 7.4V/3A.
According to the utility model discloses an aspect, the USB interface, Type-C interface, a plurality of DC interfaces and a plurality of D-tap interface share same input bus.
According to the utility model discloses an aspect, multichannel power adapter still includes a plurality of countersunk screw, sets up respectively in the outer periphery of casing for seal the casing.
According to an aspect of the embodiments of the present invention, the multi-channel power adapter further includes 1/4 threaded fixing posts, disposed on the back of the housing, for fixing the housing to other devices.
On the other hand, according to the utility model discloses the embodiment has still provided a multichannel power adaptation system, include: a charging device and a multi-channel power adapter as described above; the charging device is connected with the multi-channel power adapter.
The embodiment of the utility model provides a multichannel power adapter provides polytype input/output switching mouth for the user, has satisfied user's pluralism equipment needs, and a tractor serves several purposes has integrateed multiple converting circuit, compact structure, and dexterous convenience, application scope is wide.
Drawings
Features, advantages and technical effects of exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram illustrating an internal circuit configuration of a multi-channel power adapter according to an embodiment of the present invention;
FIG. 2 is a schematic diagram showing the external configuration of a multi-channel power adapter according to one embodiment of the present invention;
FIG. 3 is a schematic side view showing the external configuration of a multi-channel power adapter according to one embodiment of the present invention;
FIG. 4 is a schematic side view showing the external configuration of a multi-channel power adapter according to yet another embodiment of the present invention;
FIG. 5 is a schematic side view showing the external configuration of a multi-channel power adapter according to another embodiment of the present invention;
figure 6 is a schematic diagram illustrating the back side of the external structure of a multi-channel power adapter according to one embodiment of the present invention;
fig. 7 is a schematic diagram illustrating an internal structure of a multi-channel power adapter according to an embodiment of the present invention;
fig. 8 is a schematic diagram showing the structure of a multi-channel power adapter system according to a first embodiment of the present invention;
fig. 9 is a schematic diagram showing a structure of a multi-channel power adapter system according to a second embodiment of the present invention;
fig. 10 is a schematic diagram showing a structure of a multi-channel power adapter system according to a third embodiment of the present invention;
fig. 11 is a schematic diagram illustrating a multi-channel power adapter system according to a fourth embodiment of the present invention.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
The reference numbers illustrate:
1: a multi-channel power adapter; 2: a housing; 3: a first D-tap interface; 4: a first DC interface; 5: a second D-tap interface; 6: a control unit; 7: a second DC interface; 8: a USB interface; 9: a Type-C interface; 10: countersunk head screws; 11: 1/4 are screwed into the columns.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by illustrating examples of the invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order to avoid unnecessarily obscuring the present invention; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The directional terms appearing in the following description are directions shown in the drawings and do not limit the specific structure of the present invention. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as either a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
According to the utility model discloses an embodiment provides a multichannel power adapter, has integrateed multiple converting circuit, can provide multiple input/output interface and voltage level, compact structure, and convenient to carry has promoted user experience greatly, and application scope is wider. The following embodiments of the present invention only illustrate the multi-channel power adapter by taking the usage as an example, but the application of the multi-channel power adapter of the embodiments of the present invention is not limited to the following embodiments.
For better understanding of the present invention, the following describes in detail a multi-channel power adapter provided by an embodiment of the present invention with reference to fig. 1 to 11.
Fig. 1 is a schematic diagram illustrating an internal circuit configuration of a multi-channel power adapter according to an embodiment of the present invention; FIG. 2 is a schematic diagram showing the external configuration of a multi-channel power adapter according to one embodiment of the present invention; FIG. 3 is a schematic side view showing the external configuration of a multi-channel power adapter according to one embodiment of the present invention; FIG. 4 is a schematic side view showing the external configuration of a multi-channel power adapter according to yet another embodiment of the present invention; FIG. 5 is a schematic side view showing the external configuration of a multi-channel power adapter according to another embodiment of the present invention; figure 6 is a schematic diagram illustrating the back side of the external structure of a multi-channel power adapter according to one embodiment of the present invention; fig. 7 is a schematic diagram illustrating an internal structure of a multi-channel power adapter according to an embodiment of the present invention; fig. 8 is a schematic diagram showing the structure of a multi-channel power adapter system according to a first embodiment of the present invention; fig. 9 is a schematic diagram showing a structure of a multi-channel power adapter system according to a second embodiment of the present invention; fig. 10 is a schematic diagram showing a structure of a multi-channel power adapter system according to a third embodiment of the present invention; fig. 11 is a schematic diagram illustrating a multi-channel power adapter system according to a fourth embodiment of the present invention.
Referring to fig. 1 to 7, a multi-channel power adapter 1 provided by an embodiment of the present invention may include a control unit 6, a plurality of device interfaces and a housing 2,
the control unit 6 may comprise a buck control module and a PD protocol control module,
the plurality of device interfaces may include a USB interface 8, a Type-C interface 9, a plurality of DC interfaces, and a plurality of D-tap interfaces,
the USB interface 8 and the plurality of DC interfaces are respectively electrically connected with the voltage reduction control module,
the Type-C interface 9 is electrically connected with the PD protocol control module,
the plurality of D-tap interfaces, the voltage reduction control module and the PD protocol control module are respectively and electrically connected to the power bus. Specifically, the plurality of D-tap interfaces are directly electrically connected to the power bus, the USB interface 8 and the plurality of DC interfaces are electrically connected to the power bus through the voltage-reduction control module, respectively, and the Type-C interface 9 is electrically connected to the power bus through the PD protocol control module.
The control unit 6 is disposed inside the housing 2, and the plurality of device interfaces are disposed outside the housing 2 and connected to other electric devices.
In some embodiments, the PD protocol control module may include a PD protocol controller and an internal buck-boost controller, and the Type-C interface 9 is electrically connected with the PD protocol controller and the internal buck-boost controller, respectively.
In some embodiments, the Type-C interface 9 may be an input-output bi-directional interface.
Specifically, when the Type-C interface 9 is used as an input interface, the PD protocol controller reads the output voltage, current and power parameters of the corresponding PD adapter, selects the maximum power, and controls the internal buck-boost controller to realize constant-voltage and constant-current power supply, and provides the converted voltage to the plurality of D-tap interfaces, the plurality of DC interfaces and the USB interface 8 through the power bus, where at this time, the plurality of D-tap interfaces, the plurality of DC interfaces and the USB interface 8 are all output interfaces, where the plurality of D-tap interfaces support battery charging, and the output voltage level may be 16.8V/60w (max); the specification of the plurality of DC interfaces can be 5.5 x 2.1, and the output voltage grades can be 7.4V/3A and 12V/3A respectively; the USB interface 8 can support compatible QC2.0/3.0 protocol, FCP, AFC and other protocols, and the output voltage level can be 5V/2A, 9V/2A and 12V/1.5A.
When the Type-C interface 9 is used as an output interface, the PD protocol controller converts the voltage of the power bus into a corresponding output voltage through the internal buck-boost controller according to the requirement of the external voltage, at this time, the Type-C interface 9 supports the USB PD protocol, and the output voltage levels may be 5V/3A, 9V/3A, 12V/3A, and 20V/3A.
In some embodiments, the plurality of D-tap interfaces may include a first D-tap interface 3 and a second D-tap interface 5, and both the first D-tap interface 3 and the second D-tap interface 5 are electrically connected to the power bus.
In some embodiments, the first D-tap interface 3 and the second D-tap interface 5 are both input-output bi-directional interfaces.
Specifically, the first D-tap interface 3 and the second D-tap interface 5 are both directly connected to a power bus, and when the first D-tap interface 3 or the second D-tap interface 5 is connected to a lithium ion battery as an input, the plurality of DC interfaces, the USB interface 8 and the Type-C interface 9 are both output interfaces, wherein the USB interface 8 can support protocols compatible with QC2.0/3.0 protocol, FCP, AFC, and the like, and the output voltage levels can be 5V/2A, 9V/2A, and 12V/1.5A; the output voltage grades of the plurality of DC interfaces can be 7.4V/3A and 12V/3A respectively; the Type-C interface 9 supports the USB PD protocol, and the output voltage levels can be 5V/3A, 9V/3A, 12V/3A and 20V/3A.
In some embodiments, the first D-tap interface 3 and the second D-tap interface 5 are connected to the power bus by parallel backward diodes, respectively. Specifically, the first D-tap interface 3 and the second D-tap interface 5 are respectively connected in parallel to a backward diode and connected to the power bus, and if the input power is reversely connected, the backward diode is turned on, thereby achieving the purpose of protecting a plurality of internal circuits.
In some embodiments, the plurality of DC interfaces includes a first DC interface 4 and a second DC interface 7, the output of the first DC interface 4 being 12V/3A; the output of the second DC interface 7 is 7.4V/3A, wherein the interface specifications of the first DC interface 4 and the second DC interface 7 may be 5.5 × 2.1 each.
In some embodiments, the multi-channel power adapter 1 may further include a plurality of countersunk screws 10 respectively disposed on the outer periphery of the housing 2 for sealing the housing 2. Specifically, the number of the plurality of countersunk head screws 10 may be 4, and the countersunk head screws are respectively disposed at four symmetrical corners of the back of the housing 2, and are used for sealing the control unit 6 and the plurality of device interfaces inside the housing 2.
In some embodiments, the multi-channel power adapter 1 further comprises 1/4 screw fixation posts 11 provided on the back of the housing 2 for fixing the housing 2 to other devices.
The embodiment of the utility model provides a still provide a multichannel power adaptation system, include: charging equipment and the multi-channel power adapter 1 provided by the above embodiments of the present invention; the charging device is connected to the multi-channel power adapter 1.
In some embodiments, when the charging device is a lithium ion battery, the first D-tap interface 3 or the second D-tap interface 5 of the multi-channel power adapter 1 may be connected to the lithium ion battery via a D-tap power line, as shown at 8.
In some embodiments, when the charging device is an AC input lithium battery charger, the first D-tap interface 3 or the second D-tap interface 5 of the multi-channel power adapter 1 may be connected to a lithium ion battery via a D-tap power line, as shown at 9.
In some embodiments, when the charging device is a PD adapter, the Type-C interface 9 of the multi-channel power adapter 1 may be connected to the PD adapter by a Type-C power cord, as shown at 10.
In some embodiments, when the lithium ion battery needs to be charged, the D-tap power line can be connected to the lithium ion battery, and the PD adapter is used to connect the utility model discloses the Type-C interface 9 of the multichannel power adapter 1 provided by the above embodiments charges the lithium ion battery, as shown in 11.
In particular, the multi-channel power supply system provided in the above embodiments of the present invention is only for better illustration, and the charging device is not limited to the device connected in the embodiments.
The embodiment of the utility model provides a multichannel power adapter 1 has integrateed a plurality of converting circuit, supports polymorphic type input and polymorphic type output, and a tractor serves several purposes provides more diversified selection for the user, and structural design is compact simultaneously to be equipped with circuit protection, the security is stronger.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (10)
1. A multi-channel power adapter (1) comprising: a control unit (6), a plurality of device interfaces, and a housing (2);
the control unit (6) comprises a voltage reduction control module and a PD protocol control module;
the plurality of device interfaces comprise a USB interface (8), a Type-C interface (9), a plurality of DC interfaces and a plurality of D-tap interfaces;
the USB interface (8) and the plurality of DC interfaces are respectively electrically connected with the voltage reduction control module;
the Type-C interface (9) is electrically connected with the PD protocol control module;
the voltage reduction control module and the PD protocol control module are respectively and electrically connected to a power bus;
the control unit (6) is arranged inside the shell (2), and the plurality of equipment interfaces are respectively arranged on the outer side of the shell (2) and connected with other electric equipment.
2. The multi-channel power adapter (1) according to claim 1, wherein the PD protocol control module comprises a PD protocol controller and an internal buck-boost controller, and the Type-C interface (9) is electrically connected to the PD protocol controller and the internal buck-boost controller, respectively.
3. The multi-channel power adapter (1) according to claim 2, characterized in that the Type-C interface (9) is an input-output bi-directional interface.
4. The multi-channel power adapter (1) according to claim 1, wherein the plurality of D-tap interfaces comprises a first D-tap interface (3) and a second D-tap interface (5), the first D-tap interface (3) and the second D-tap interface (5) each being electrically connected to a power bus.
5. The multi-channel power adapter (1) according to claim 4, characterized in that the first D-tap interface (3) and the second D-tap interface (5) are both input-output bi-directional interfaces.
6. The multi-channel power adapter (1) according to claim 5, characterized in that the first D-tap interface (3) and the second D-tap interface (5) are connected to a power bus by parallel inverse diodes, respectively.
7. The multi-channel power adapter (1) according to claim 1, wherein the plurality of DC interfaces comprises a first DC interface (4) and a second DC interface (7), the output of the first DC interface (4) being 12V/3A; the output of the second DC interface (7) is 7.4V/3A.
8. The multi-channel power adapter (1) according to claim 1, further comprising a plurality of countersunk screws (10) respectively provided at an outer periphery of the housing (2) for sealing the housing (2).
9. The multi-channel power adapter (1) according to claim 1, further comprising 1/4 screw fixation posts (11) provided on the back of the housing (2) for fixing the housing (2) to other equipment.
10. A multi-channel power adapter system, comprising: a charging device and a multi-channel power adapter (1) according to any one of claims 1-9; the charging equipment is connected with the multi-channel power adapter (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020946839.5U CN212626416U (en) | 2020-05-29 | 2020-05-29 | Multichannel power adapter and multichannel power adaptation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020946839.5U CN212626416U (en) | 2020-05-29 | 2020-05-29 | Multichannel power adapter and multichannel power adaptation system |
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| CN212626416U true CN212626416U (en) | 2021-02-26 |
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| CN202020946839.5U Active CN212626416U (en) | 2020-05-29 | 2020-05-29 | Multichannel power adapter and multichannel power adaptation system |
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