WO2020224179A1 - Multi-channel dc output apparatus - Google Patents

Abstract

Provided is a multi-channel DC output apparatus (10), comprising an AC-DC conversion circuit (100) and an interface panel (200). The AC-DC conversion circuit (100) is used for converting AC power into multiple channels of DC power output. The interface panel (200) comprises a panel body (201) and a plurality of DC output interfaces (210); the plurality of DC output interfaces (210) are arranged on the panel body (201); the plurality of DC output interfaces (210) are respectively electrically connected to the multiple output terminals of the AC-DC conversion circuit (100); each of the DC output interfaces (210) is electrically connected to one output terminal of one channel of the AC-DC conversion circuit (100). The described multi-channel DC output device (10) is easy to use and saves space.

Description

Multi-channel DC output device

Related application

This application claims the priority of the Chinese patent application filed on May 07, 2019 with the application number 201920644135.X and the name "Multi-channel DC output device", which is hereby incorporated by reference in its entirety.

Technical field

This application relates to the field of circuit design, and more specifically, to a multi-channel DC output device.

Background technique

With the development of technology, there are more and more types of electrical appliances. Generally electrical appliances need DC power supply. However, at present, the power supply of electric places is to output AC power through the socket panel, and a power adapter is required when the electrical appliance is connected to the power source. Therefore, electrical appliances with different voltage requirements need to be equipped with different types of power adapters, which is inconvenient to use and brings a lot of trouble to users.

Summary of the invention

In view of this, this application discloses a multi-channel DC output device.

A multi-channel DC output device, including:

AC-DC conversion circuit, used to convert AC power into multiple DC power outputs;

The interface panel includes a panel body and a plurality of DC output ports, the plurality of DC output ports are arranged on the panel body, and the plurality of DC output ports are respectively electrically connected to the multiple output terminals of the AC-DC conversion circuit, Each of the DC output interfaces is electrically connected to an output terminal of the AC to DC conversion circuit.

The multi-channel DC output device provided in the embodiment of the present application includes the AC-DC conversion circuit and the interface panel. The interface panel includes the panel body and the plurality of DC output interfaces. After the AC-DC conversion circuit converts the AC power into multiple channels of DC power, it is output through the multiple DC output interfaces. The multi-channel DC output device provided by the embodiment of the present application realizes the direct output of DC power of various voltages through the AC-DC conversion circuit and the plurality of DC output interfaces. The multi-channel DC output device provided by the embodiment of the present application can be directly connected with electricity, without the need to configure a power adapter, and is convenient to use. In addition, the AC-DC conversion circuit and the interface panel can be installed on a wall in the use environment, saving installation space and convenient to use.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present application more clearly, the following will briefly introduce the drawings needed in the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present application. Ordinary technicians can obtain other drawings based on these drawings without creative work.

FIG. 1 is a schematic structural diagram of a multi-channel DC output device provided by an embodiment of the application;

FIG. 2 is a schematic structural diagram of a multi-channel DC output device provided by an embodiment of the application;

3 is a schematic diagram of a connection relationship module of a multi-channel DC output device provided by an embodiment of the application;

FIG. 4 is a circuit diagram of 220V AC to 5V DC conversion provided by an embodiment of the application;

FIG. 5 is a schematic diagram of the principle and connection of an AC-DC converter provided by an embodiment of the application;

FIG. 6 is a schematic structural diagram of a power connection line provided by an embodiment of the application;

FIG. 7 is a schematic diagram of a connection relationship module of a multi-channel DC output device provided by an embodiment of the application.

Description of reference signs

Multi-channel DC output device 10

AC-DC conversion circuit 100

220V AC to 5V DC conversion circuit 110

220V AC to 12V DC conversion circuit 120

220V AC to 20V DC conversion circuit 130

220V AC to 24V DC conversion circuit 140

220V AC to 36V DC conversion circuit 150

220V AC to 48V DC conversion circuit 160

AC-DC sub-circuit 170

Microprocessor 180

Bridge drive circuit 191

Step-down circuit 192

Interface panel 200

Panel body 201

DC output interface 210

5V DC output interface 211

12V DC output interface 212

20V DC output interface 213

24V DC output interface 214

36V DC output interface 215

48V DC output interface 216

Power connection line 300

Input interface 310

Output interface 320

Connecting line 330

DC-DC conversion circuit 400

5V DC conversion circuit 410

12V DC conversion circuit 420

20V DC conversion circuit 430

24V DC conversion circuit 440

36V DC conversion circuit 450

48V DC conversion circuit 460

220V AC power supply 20

DC power supply 30

Detailed ways

In order to make the objectives, technical solutions, and advantages of the present application clearer, the following uses embodiments and accompanying drawings to further describe the present application in detail. It should be understood that the specific embodiments described herein are only used to explain the application, and not used to limit the application.

The serial numbers assigned to the components herein, such as "first", "second", etc., are only used to distinguish the described objects and do not have any sequence or technical meaning. The "connection" and "connection" mentioned in this application include direct and indirect connection (connection) unless otherwise specified. In the description of this application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description , Rather than indicating or implying that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the application.

In this application, unless expressly stipulated and defined otherwise, the “on” or “under” of the first feature on the second feature may be in direct contact with the first and second features, or indirectly through an intermediary. contact. Moreover, the "above", "above" and "above" of the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or it simply means that the level of the first feature is higher than the second feature. The “below”, “below” and “below” of the second feature of the first feature may mean that the first feature is directly below or obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.

Please refer to FIG. 1, an embodiment of the present application provides a multi-channel DC output device 10. The multiple DC output device 10 includes an AC-DC conversion circuit (AC-DC conversion circuit) 100 and an interface panel 200. The interface panel 200 includes a panel body 201 and a plurality of DC output interfaces 210.

The AC-DC conversion circuit 100 is used to convert AC power into at least two DC power outputs. The input end of the AC-DC conversion circuit 100 is connected to an external AC power source, and the output end is electrically connected to the DC output interface 210. The AC-DC conversion circuit 100 can be realized by a pure circuit structure, or can be realized by a combination of software and a circuit. The specific circuit, implementation mode, output DC voltage quantity and voltage value of the AC-DC conversion circuit 100 are not specifically limited in this application, and can be selected according to actual needs.

The panel body 201 is provided with a plurality of mounting holes, and the plurality of DC output interfaces 210 can be arranged in the mounting holes by means of snap connection or socket connection. The size, material and shape of the panel body 201 are not limited, and can be selected according to actual needs. The number and interface form of the DC output interface 210 can be set according to actual requirements.

The multiple DC output interfaces 210 are respectively electrically connected to the multiple output terminals of the AC-DC conversion circuit 100 through wires or the like, and each of the DC output interfaces 210 is electrically connected to an output terminal of the AC-DC conversion circuit 100 . The AC-DC conversion circuit 100 converts AC power into multiple channels of DC power and outputs them to different DC output interfaces 210. It can be understood that the AC-DC conversion circuit 100 may be disposed on the panel body 201, or may only be connected to the DC output interface 210, and not disposed on the panel body 201. The panel body 201 can be clamped to a wall in the use environment, and the wall is correspondingly provided with a groove, and the AC-DC conversion circuit 100 can be arranged in the groove.

In this embodiment, the multi-channel DC output device 10 includes the AC-DC conversion circuit 100 and the interface panel 200. The interface panel 200 includes the panel body 201 and the plurality of DC output interfaces 210. After the AC-to-DC conversion circuit 100 converts the AC power into multiple channels of DC power, it is output through the multiple DC output interfaces 210. The multi-channel DC output device 10 provided in this embodiment realizes the direct output of DC power of various voltages through the AC-DC conversion circuit 100 and the plurality of DC output interfaces 210. The multi-channel DC output device 10 provided in this embodiment can be directly connected to the electricity, without the need to configure a power adapter, and is convenient to use. In addition, the AC-DC conversion circuit 100 and the interface panel 200 can be installed on a wall or other location in the use environment, which saves installation space and is convenient to use.

In one embodiment, the panel body 201 is a standard switch panel. That is, the size of the panel body 201 is one of 86 type, 118 type, 120 type or 146 type. Wherein, the appearance of the 86-type panel body 201 is square, and the external dimension is 86mm×86mm. The 86-type panel body 201 conforms to international standards, has strong versatility, and is firmly installed.

Referring to FIG. 2, in one embodiment, the plurality of DC output interfaces 210 include 5V DC output interface 211, 12V DC output interface 212, 20V DC output interface 213, 24V DC output interface 214, 36V DC output interface 215, and At least two of the 48V DC output interfaces 216. The 5V DC output interface 211, the 12V DC output interface 212, the 20V DC output interface 213, the 24V DC output interface 214, the 36V DC output interface 215, and the 48V DC output interface 216 The AC-DC conversion circuit 100 is electrically connected. The AC-DC conversion circuit 100 is used to convert AC power into at least two of 5V DC, 12V DC, 20V DC, 24V DC, 36V DC and 48V DC. The multi-channel DC output device 10 provided in this embodiment can output a variety of DC power from 5V to 48V to meet different electrical requirements and improve the practicability of the multi-channel DC output device 10.

The multiple DC output interfaces 210 may have various interface forms. In one embodiment, the 5V DC output interface 211 is a universal serial bus (USB) interface. The 5V DC output interface 211 of the USB can be used to charge a 5V voltage for mobile phones, players, mice, etc., and the connection line port is a USB-type electrical device. The number of the 5V DC output interface 211 may be one or multiple.

In one embodiment, the 12V DC output interface 212, the 20V DC output interface 213, the 24V DC output interface 214, the 36V DC output interface 215, and the 48V DC output interface 216 are square or round.形interface. The DC output interface 210 of a square interface or a round interface can improve the versatility of connection with electrical equipment.

Referring to FIG. 3, in one embodiment, the AC-DC conversion circuit 100 is implemented by multiple AC-to-DC circuits. The AC to DC conversion circuit 100 includes a 220V AC to 5V DC conversion circuit 110, a 220V AC to 12V DC conversion circuit 120, a 220V AC to 20V DC conversion circuit 130, a 220V AC to 24V DC conversion circuit 140, and a 220V AC to 36V DC conversion circuit. At least two of the circuits 150 and 220V AC to 48V DC conversion circuit 160. The 220V AC to 5V DC conversion circuit 110, the 220V AC to 12V DC conversion circuit 120, the 220V AC to 20V DC conversion circuit 130, the 220V AC to 24V DC conversion circuit 140, the 220V AC to 36V The input ends of the DC conversion circuit 150 and the 220V AC to 48V DC conversion circuit 160 are all electrically connected to the 220V AC power source 20, and the output ends are respectively electrically connected to the interfaces corresponding to the voltage values in the plurality of DC output interfaces 210 to achieve correspondence Conversion and output of voltage values. That is, the 220V AC to 5V DC conversion circuit 110 is electrically connected to the 5V DC output interface 211, the 220V AC to 12V DC conversion circuit 120 is electrically connected to the 12V DC output interface 212, and the 220V AC to 20V The DC conversion circuit 130 is electrically connected to the 20V DC output interface 213, the 220V AC to 24V DC conversion circuit 140 is electrically connected to the 24V DC output interface 214, and the 220V AC to 36V DC conversion circuit 150 is electrically connected to the 36V The DC output interface 215 is electrically connected, and the 220V AC to 48V DC conversion circuit 160 is electrically connected to the 48V DC output interface 216. In an embodiment, the specific circuit of the 220V AC to 5V DC conversion circuit 110 may be as shown in FIG. 4.

Referring to FIG. 5, in one embodiment, the AC-DC conversion circuit 100 is implemented by a microprocessor and surrounding circuits. The AC-DC conversion circuit 100 includes an AC-DC sub-circuit 170, a microprocessor 180, a bridge driving circuit 191, and a step-down circuit 192. The AC-DC sub-circuit 170 is electrically connected to the step-down circuit 192, the step-down circuit 192 is electrically connected to the bridge driving circuit 191, and the bridge driving circuit 191 is electrically connected to the microprocessor 180. Each output terminal of the step-down circuit 192 is electrically connected to the plurality of DC output interfaces 210 respectively. The AC-DC sub-circuit 170 is used to convert alternating current into direct current and output to the step-down circuit. The micro-processing 180 can control the bridge driving circuit 191 and the step-down circuit 192 through a pulse width modulation (PWM) signal to adjust the voltage of the direct current to output the direct current of the desired voltage value.

Referring to FIG. 6, in one embodiment, the multi-channel DC output device 10 further includes a plurality of power connection wires 300. The multiple power connection wires 300 include an input interface 310, an output interface 320 and a connection wire 330. Both the input interface 310 and the output interface 320 are electrically connected to the connection line 330. The interface type of the input interface 310 can be matched with the DC output interface 210, so as to realize the plug connection with the DC output interface 210. According to the different electric equipment, the output interface 320 matches the power plug interface of the electric equipment. By inserting the input interface 310 into the DC output interface 210, the output interface 320 is connected to the power supply interface of the electric device to realize power supply to the electric device. In this embodiment, the power-consuming device does not need a matching adapter or a matching connection line to realize power access, which is convenient to use and has strong practicability.

Referring to FIG. 7, in one embodiment, the multiple DC output device 10 further includes a DC-DC conversion circuit (DC-DC conversion circuit) 400. The input end of the DC-DC conversion circuit 400 is electrically connected to an external DC power supply 30. The multiple output ends of the DC-DC conversion circuit 400 are electrically connected to the plurality of DC output interfaces 210. The DC-DC conversion circuit 400 is used to convert DC power into multiple DC powers of other voltage values and output to different DC output interfaces. The DC-DC conversion circuit 400 can be realized by a pure circuit, or by a combination of a software program and a circuit. The specific structure, output voltage value, number of output paths, etc. of the DC-DC conversion circuit can be designed according to requirements, which are not limited in this application. In this embodiment, the DC-DC conversion circuit 400 enables the multi-channel DC output device 10 to provide DC power with different outputs in the absence of AC power, which further improves the practicability.

In an embodiment, when the external power supply is a DC power supply, such as a 110V DC power supply, the DC-DC conversion circuit 400 includes a 5V DC conversion circuit 410, a 12V DC conversion circuit 420, a 20V DC conversion circuit 430, and a 24V DC conversion circuit 440. At least two of the 36V DC conversion circuit 450 and the 48V DC conversion circuit 460 are used to adjust the voltage of the current DC power supply to at least two of 5V, 12V, 20V, 24V, 36V, and 48V.

The 5V DC conversion circuit 410, the 12V DC conversion circuit 420, the 20V DC conversion circuit 430, the 24V DC conversion circuit 440, the 36V DC conversion circuit 450, and the 48V DC conversion circuit 460 are respectively connected to the The interfaces corresponding to the voltage values in the plurality of DC output interfaces 210 are electrically connected to realize the converted output of the corresponding voltage values. That is, the 5V DC conversion circuit 410 is electrically connected to the 5V DC output interface 211, the 12V DC conversion circuit 420 is electrically connected to the 12V DC output interface 212, and the 20V DC conversion circuit 430 is electrically connected to the 20V DC output interface 212. The output interface 213 is electrically connected, the 24V DC conversion circuit 440 is electrically connected to the 24V DC output interface 214, the 36V DC conversion circuit 450 is electrically connected to the 36V DC output interface 215, and the 48V DC conversion circuit 460 is electrically connected to The 48V DC output interface 216 is electrically connected.

In an embodiment, the DC-DC conversion circuit 40 is implemented by a microprocessor and surrounding circuits. The specific circuit structure of the AC AC converter 400 may be similar to the structure shown in FIG. 5. I will not repeat them here.

The above-mentioned embodiments only express a few implementation modes of the present application, and their description is relatively specific and detailed, but they should not be understood as a limitation on the scope of the patent application. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of this application, several modifications and improvements can be made, and these all fall within the protection scope of this application. Therefore, the scope of protection of the patent of this application shall be subject to the appended claims.

Claims (18)

1. A multi-channel DC output device is characterized in that it comprises:

   AC-DC conversion circuit (100), used to convert AC power into multiple DC power outputs;

   The interface panel (200) includes a panel body (201) and a plurality of DC output interfaces (210), the plurality of DC output interfaces (210) are arranged on the panel body (201), the plurality of DC output interfaces ( 210) are respectively electrically connected to multiple output terminals of the AC-DC conversion circuit (100), and each of the DC output interfaces (210) is electrically connected to an output terminal of the AC-DC conversion circuit (100).
2. The multi-channel DC output device according to claim 1, wherein the plurality of DC output interfaces (210) include 5V DC output interface (211), 12V DC output interface (212), 20V DC output interface (213) ), at least two of 24V DC output interface (214), 36V DC output interface (215) and 48V DC output interface (216).
3. The multi-channel DC output device according to claim 2, wherein the input end of the AC-DC conversion circuit (100) is electrically connected to a 220V AC power supply (20).
4. The multi-channel DC output device according to claim 3, characterized in that the AC to DC conversion circuit (100) comprises a 220V AC to 5V DC conversion circuit (110), a 220V AC to 12V DC conversion circuit (120), 220V At least 2 of AC to 20V DC conversion circuit (130), 220V AC to 24V DC conversion circuit (140), 220V AC to 36V DC conversion circuit (150), 220V AC to 48V DC conversion circuit (160);

   The 220V AC to 5V DC conversion circuit (110) is electrically connected to the 5V DC output interface (211), and the 220V AC to 12V DC conversion circuit (120) is electrically connected to the 12V DC output interface (212), The 220V AC to 20V DC conversion circuit (130) is electrically connected to the 20V DC output interface (213), and the 220V AC to 24V DC conversion circuit (140) is electrically connected to the 24V DC output interface (214), The 220V AC to 36V DC conversion circuit (150) is electrically connected with the 36V DC output interface (215), and the 220V AC to 48V DC conversion circuit (160) is electrically connected with the 48V DC output interface (216).
5. The multi-channel DC output device according to claim 2, wherein the plurality of DC output interfaces (210) comprise the 5V DC output interface (211) and the 12V DC output interface (212).
6. The multi-channel DC output device according to claim 5, wherein the AC to DC conversion circuit (100) comprises a 220V AC to 5V DC conversion circuit (110) and a 220V AC to 12V DC conversion circuit (120), so The 220V AC to 5V DC conversion circuit (110) is electrically connected with the 5V DC output interface (211), and the 220V AC to 12V DC conversion circuit (120) is electrically connected with the 12V DC output interface (212).
7. The multi-channel DC output device according to claim 2, wherein the 5V DC output interface (211) is a universal serial bus interface.
8. The multi-channel DC output device according to claim 2, wherein the 12V DC output interface (212), the 20V DC output interface (213), the 24V DC output interface (214), the 36V The DC output interface (215) and the 48V DC output interface (216) are round sockets or square sockets.
9. The multi-channel DC output device according to claim 1, wherein the AC-DC conversion circuit (100) comprises an AC-DC sub-circuit (170), a microprocessor (180), a bridge drive circuit (191) and A step-down circuit (192), the AC-DC sub-circuit (170) is electrically connected to the step-down circuit (192), and the step-down circuit (192) is connected to the micro-circuit through the bridge drive circuit (191) The processor (180) is electrically connected, and each output terminal of the step-down circuit (192) is electrically connected with the plurality of DC output interfaces (210).
10. The multi-channel DC output device according to claim 9, characterized in that the microprocessor (180) controls the bridge driving circuit (191) and the step-down circuit (192) through a pulse width modulation signal.
11. The multi-channel DC output device according to claim 1, wherein the panel body (201) is an 86-type panel, a 118-type panel, a 120-type panel or a 146-type panel.
12. The multi-channel DC output device according to claim 11, wherein the shape of the 86-type panel is square, and the external dimension of the 86-type panel is 86mm×86mm.
13. The multi-channel DC output device according to claim 1, further comprising:

    A plurality of power connection lines (300), including an input interface (310), an output interface (320), and a connection line (330), the input interface (310) and the output interface (320) are both connected to the connection line ( 330) electrical connection, the input interface (310) can be matched and plugged with the DC output interface (210) to realize electrical connection, and the multiple power connection wires (300) are used to implement the multiple DC output interfaces ( 210) Electrical connection with multiple electrical equipment.
14. The multi-channel direct current output device according to claim 2, further comprising:

    A direct current to direct current conversion circuit (400), the multiple output ends of the direct current to direct current conversion circuit (400) are electrically connected to the multiple direct current output interfaces (210) for converting direct current into multiple direct current outputs of other voltage values .
15. The multi-channel DC output device according to claim 14, wherein the input end of the DC-DC conversion circuit (400) is electrically connected to a DC power supply (30).
16. The multi-channel DC output device according to claim 14, characterized in that the DC-DC conversion circuit (400) comprises a 5V DC conversion circuit (410), a 12V DC conversion circuit (420), and a 20V DC conversion circuit (430) , At least 2 of 24V DC conversion circuit (440), 36V DC conversion circuit (450) and 48V DC conversion circuit (460);

    The 5V DC conversion circuit (410) is electrically connected to the 5V DC output interface (211), the 12V DC conversion circuit (420) is electrically connected to the 12V DC output interface (212), and the 20V DC conversion circuit (430) is electrically connected to the 20V direct current output interface (213), the 24V direct current conversion circuit (440) is electrically connected to the 24V direct current output interface (214), and the 36V direct current conversion circuit (450) is electrically connected to the The 36V direct current output interface (215) is electrically connected, and the 48V direct current conversion circuit (460) is electrically connected to the 48V direct current output interface (216).
17. The multi-channel DC output device according to claim 16, wherein the DC-DC conversion circuit (400) comprises the 5V DC conversion circuit (410) and the 12V DC conversion circuit (420), and the 5V DC conversion circuit (410) The DC conversion circuit (410) is electrically connected with the 5V DC output interface (211), and the 12V DC conversion circuit (420) is electrically connected with the 12V DC output interface (212).
18. The multi-channel DC output device according to claim 14, characterized in that the DC power supply (20) is a 110V DC power supply.

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