CN210120490U - Continuous direct current output device - Google Patents
Continuous direct current output device Download PDFInfo
- Publication number
- CN210120490U CN210120490U CN201920642801.6U CN201920642801U CN210120490U CN 210120490 U CN210120490 U CN 210120490U CN 201920642801 U CN201920642801 U CN 201920642801U CN 210120490 U CN210120490 U CN 210120490U
- Authority
- CN
- China
- Prior art keywords
- direct current
- voltage
- circuit
- electrically connected
- conversion circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The application relates to a continuous direct current output device, which comprises an alternating current and direct current conversion circuit, a voltage control circuit and an interface panel. The alternating current-direct current conversion circuit is used for converting alternating current into direct current with any voltage value within a preset range and outputting the direct current. The voltage control circuit is electrically connected with the alternating current-direct current conversion circuit and is used for controlling the alternating current-direct current conversion circuit to output direct current voltage. The interface panel comprises a panel body, a direct current output interface and a voltage input assembly. The direct current output interface and the voltage input assembly are arranged on the panel body, the direct current output interface is electrically connected with the output end of the alternating current-direct current conversion circuit, the voltage input assembly is electrically connected with the voltage control circuit, and the voltage input assembly is used for inputting target direct current voltage to the voltage control circuit. The application provides continuous direct current output device can export continuous direct current, and convenient to use saves space.
Description
Technical Field
The present application relates to the field of circuit design, and more particularly, to a continuous dc output device.
Background
With the development of technology, the variety of electric appliances is increasing. General electrical appliances need direct current power supply. However, at present, power is supplied to a power utilization place through a standard panel to output alternating current, and a power adapter is required to be configured when an electric appliance is connected with the power supply. Therefore, the electric appliances with different voltage requirements need to be configured with power adapters with different models, so that the use is inconvenient, and a lot of troubles are brought to users.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a continuous dc output device.
A continuous direct current output device comprising:
the alternating current-direct current conversion circuit is used for converting alternating current into direct current with any voltage value within a preset range and outputting the direct current;
the voltage control circuit is electrically connected with the alternating current-direct current conversion circuit and is used for controlling the alternating current-direct current conversion circuit to output direct current voltage;
the interface panel comprises a panel body, a direct current output interface and a voltage input assembly, wherein the direct current output interface and the voltage input assembly are arranged on the panel body, the direct current output interface is electrically connected with the output end of the alternating current-direct current conversion circuit, the voltage input assembly is electrically connected with the voltage control circuit, and the voltage input assembly is used for inputting target direct current voltage to the voltage control circuit.
In one embodiment, the voltage control circuit comprises a microprocessor, the voltage input component is electrically connected with the microprocessor, and the microprocessor is electrically connected with the ac-dc conversion circuit.
In one embodiment, the AC-DC conversion circuit includes an AC-DC sub-circuit, a voltage dropping circuit, and a bridge driving circuit, the AC-DC sub-circuit is electrically connected to the voltage dropping circuit, the microprocessor is electrically connected to the voltage input component, the voltage dropping circuit is electrically connected to the microprocessor through the bridge driving circuit, and the voltage dropping circuit is electrically connected to the DC output interface.
In one embodiment, the output end of the alternating current-direct current conversion circuit is electrically connected with the microprocessor.
In one embodiment, the panel body is a 86-type panel, a 118-type panel, a 120-type panel, or a 146-type panel.
In one embodiment, the number of the dc output interfaces is multiple, and each of the dc output interfaces is disposed on the panel body and is electrically connected to the output terminal of the ac-dc conversion circuit.
In one embodiment, the continuous dc output device further includes:
the power connecting line comprises an input interface, an output interface and a connecting line, wherein the input interface and the output interface are electrically connected with the connecting line, the input interface can be matched with the direct current output interface for plugging to realize electrical connection, and the power connecting line is used for realizing the electrical connection of the direct current output interface and the electric equipment.
In one embodiment, the dc output interface is a universal serial bus interface.
In one embodiment, the dc output interface is a circular socket or a square socket.
In one embodiment, the continuous dc output device further includes:
the direct current conversion circuit is electrically connected with the voltage control circuit, the direct current output interface is electrically connected with multiple output ends of the direct current conversion circuit, and the direct current conversion circuit is used for converting direct current into direct current with any voltage value within a preset range and outputting the direct current.
The continuous direct current output device provided in the embodiment of the present application includes the alternating current-direct current conversion circuit, the voltage control circuit, and the interface panel. The interface panel comprises the panel body, and the direct current output interface and the voltage input assembly which are arranged on the panel body. The voltage input component is electrically connected with the voltage control circuit. The voltage control circuit is electrically connected with the alternating current-direct current conversion circuit. The alternating current-direct current conversion circuit is electrically connected with the direct current output interface. The continuous direct current output device provided by the embodiment outputs direct current to the panel body through the alternating current and direct current conversion circuit and the direct current output interface, can supply power to electric equipment without connecting an adapter, and is convenient and rapid to use. In addition, the continuous direct current output device can be directly arranged on a wall body and other positions in a use environment through the interface panel, so that the installation space is saved, and the use is convenient. Meanwhile, the alternating current-direct current conversion circuit can convert alternating current into any voltage value within a preset range, can be suitable for all electric equipment within the preset range, further realizes free selection of multiple direct currents, and improves the universality and the practicability of the continuous direct current output device.
Drawings
Fig. 1 is a schematic structural diagram of a continuous dc output device according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a continuous dc output device according to an embodiment of the present application;
FIG. 3 is a circuit diagram of a continuous DC output device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a continuous dc output device according to an embodiment of the present application;
fig. 5 is a schematic diagram of a power connection line according to an embodiment of the present application.
Description of reference numerals:
continuous direct current output device 10
AC-DC conversion circuit 100
AC-DC subcircuit 170
Selection switch 210
DC-DC conversion circuit 400
Connecting wire 530
AC power supply 20
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below by way of embodiments and with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be considered as limiting the present application.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, one embodiment of the present application provides a continuous dc output device 10. The continuous direct current output device 10 includes an alternating current direct current conversion circuit (AC-DC conversion circuit) 100, a voltage control circuit 200, and an interface panel 300. The voltage control circuit 200 is electrically connected to the ac-dc conversion circuit 100. The interface panel 300 includes a panel body 301, a dc output interface 310, and a voltage input component 320. The dc output interface 310 and the voltage input component 320 are disposed on the panel body 301. The dc output interface 310 is electrically connected to the output terminal of the ac-dc converter circuit 100. The voltage input component 320 is electrically connected to the voltage control circuit 200.
The ac-dc conversion circuit 100 is configured to convert ac power into dc power with any voltage value within a preset range and output the dc power through the dc output interface 310, that is, the ac-dc conversion circuit 100 is configured to convert ac power into continuous dc power and output the continuous dc power. For example, the external power source is 220V ac, and the ac-dc conversion circuit 100 can convert the 220V ac into dc with any voltage value in the interval of 5V-60V and output the dc. The ac-dc conversion circuit 100 may be implemented by a pure circuit structure, or may be implemented by combining a software program with a circuit. The voltage value of the direct current output by the alternating current-direct current conversion circuit 100 is continuously adjustable. The specific circuit, implementation manner, output voltage value range, and the like of the ac-dc conversion circuit 100 are not limited in this application, and may be selected according to actual requirements.
The input end of the voltage control circuit 200 is electrically connected to the voltage input component 320, and receives a target voltage value, i.e., a required voltage value, input by the voltage input component 320. The output end of the voltage control circuit 200 is electrically connected to the ac-dc conversion circuit 100, and is used for selecting and controlling the voltage of the dc power output by the ac-dc conversion circuit 100. The voltage control circuit 200 may be implemented by a pure hardware circuit, or may be implemented by a combination of a software program and a hardware circuit. The structure of the voltage control circuit 200 is not specifically limited in the present application, and may be selected according to actual requirements as long as the functions thereof can be realized.
The surface of the panel body 301 may be provided with mounting holes, and the dc output interface 310 and the voltage input assembly 320 may be disposed through the mounting holes. The panel body 301 can be clamped on a wall body of a use place. The wall body is correspondingly provided with a groove. Part or all of the dc output interface 310 and the voltage input module 320 protrude from the front surface of the panel body 301 for the convenience of operation of a user. The ac-dc conversion circuit 100 and the voltage control circuit 200 may be disposed on the back of the panel body 301, or disposed in a groove of a wall, and are electrically connected to the dc output interface 310 and the voltage input module 320 by wires, respectively. The size, material, shape, etc. of the panel body 301 are not limited, and can be selected according to actual requirements. The dc output interface 310 is used for being plugged into an electric device and outputting dc power to the electric device. The number, the interface form, and the like of the dc output interfaces 310 may be set according to actual requirements. The voltage input component 320 may be a knob input component, a key input component, a touch screen input component, and the like. The specific structure and model of the voltage input assembly 320 are not limited in this application, as long as the functions thereof can be realized.
The working process of the continuous dc output device 10 provided in this embodiment is as follows: the user inputs a required dc voltage value, for example, 18V, to the voltage control circuit 200 through the voltage input component 320 on the panel body 301. The voltage control circuit 200 controls the ac-dc conversion circuit 100 to convert ac power into 18V dc power, and outputs the dc power through the dc output interface 310. The electric equipment can be directly electrically connected with the direct current output interface 310 to realize electricity taking and utilization without an adapter.
In this embodiment, the continuous dc output device 10 includes the ac-dc conversion circuit 100, the voltage control circuit 200, and the interface panel 300. The interface panel 300 includes the panel body 301, and the dc output interface 310 and the voltage input component 320 disposed on the panel body 301. The voltage input component 320 is electrically connected to the voltage control circuit 200. The voltage control circuit 200 is electrically connected to the ac-dc conversion circuit 100. The ac-dc conversion circuit 100 is electrically connected to the dc output interface 310. The continuous dc output device 10 provided in this embodiment outputs dc power to the panel body 301 through the ac-dc conversion circuit 100 and the dc output interface 310, and can supply power to a power device without connecting an adapter, which is convenient and fast to use. In addition, the continuous dc output device 10 can be directly installed on a wall or other locations in a use environment through the interface panel 300, so that the installation space is saved, and the use is convenient. Meanwhile, the ac-dc conversion circuit 100 can convert ac power into any voltage value within a preset range, and is applicable to all electric devices within the preset range, so as to further realize free selection of various dc powers, and improve the versatility and practicability of the continuous dc output device 10.
In one embodiment, the voltage input component 320 may be any device capable of implementing a voltage input. The voltage input component 320 includes, but is not limited to, an input knob, an input switch, a number key, a keyboard, a touch screen, etc.
Referring to fig. 2, in one embodiment, the voltage control circuit 200 includes a Microprocessor (MCU) 220. The output end of the voltage input component 320 is electrically connected to the input end of the microprocessor 220, and the microprocessor 220 is electrically connected to the input end of the ac-dc conversion circuit 100. The microprocessor 220 receives the target voltage value input by the voltage input component 320, and controls the ac-dc conversion circuit 100 to output a voltage with a corresponding value according to the target voltage value. The microprocessor 220 controls the ac-dc converter circuit 100 in a manner including, but not limited to, PWM signal control. In this embodiment, the voltage input component 320 is used to input a target voltage, the target voltage value is accurately input, the microprocessor 220 is used to control the ac-dc conversion circuit 100, the circuit structure is simple, and the dc voltage output is accurate.
With continued reference to fig. 2, in one embodiment, the output terminal of the ac-dc conversion circuit 100 may also be electrically connected to the input terminal of the microprocessor 220. The voltage value output by the ac-dc converter circuit 100 after conversion is used as the feedback value of the microprocessor 220. The microprocessor 220 adjusts the ac-dc conversion circuit 100 in real time in combination with the target voltage value and the feedback value, thereby further improving the accuracy of the dc voltage output.
With continued reference to fig. 2, in one embodiment, the AC-DC converter circuit 100 includes an AC-DC sub-circuit 170, a voltage dropping circuit 180, and a bridge driving circuit 190. The AC-DC sub-circuit 170 is used to convert the alternating current into a direct current with a preset voltage value. The input of the AC-DC sub-circuit 170 is electrically connected to the AC power source 20. The output of the AC-DC sub-circuit 170 is electrically connected to the input of the voltage dropping circuit 180. The control terminal of the voltage-reducing circuit 180 is electrically connected to the output terminal of the microprocessor 220 through the bridge driving circuit 190. Meanwhile, the output terminal of the voltage input module 320 is electrically connected to the input terminal of the microprocessor 220. The output end of the voltage reduction circuit 180 is electrically connected to the dc output interface 310. The microprocessor 220 controls the operation of the bridge driving circuit 190 and the voltage dropping circuit 180 according to the target voltage value inputted from the voltage input component 320. The step-down circuit 180 and the bridge driving circuit 190 output direct current of corresponding voltages. The voltage reduction circuit 180 includes, but is not limited to, a BUCK circuit. In one embodiment, a partial circuit diagram of the ac-dc converter circuit 100 may be as shown in fig. 3.
In one embodiment, the panel body 301 is a standard switch panel. That is, the size of the panel body 301 is one of 86 type, 118 type, 120 type, or 146 type. The 86-type panel body 301 is square in appearance, and the external dimension is 86mm x 86 mm. The 86-type panel body 301 meets the international standard, and is strong in universality and firm to install.
In one embodiment, the number of the dc output interfaces 310 is plural. The dc output interfaces 310 are disposed on the panel body 301. Each of the dc output interfaces 310 is electrically connected to multiple output terminals of the ac-dc converter circuit 100. The direct current output interface 310 is arranged in a plurality of modes, so that the simultaneous use of a plurality of electric devices can be met, and the practicability is improved.
In one embodiment, the dc output interface 310 is a Universal Serial Bus (USB) interface. The dc output interface 310 of USB can be used to charge the electric devices with USB connection ports such as mobile phones, players, mice, etc.
In one embodiment, the dc output interface 310 is a square interface or a circular interface. The dc output interface 310 with a square interface or a circular interface can improve the versatility of connection with the electric equipment.
Referring to fig. 4, in an embodiment, the continuous DC output device 10 further includes a DC-DC conversion circuit (DC-DC conversion circuit) 400. The dc-dc conversion circuit 400 is configured to convert the dc power into a dc power that can be converted into any other voltage value within a preset range and output the dc power. The dc-dc converter circuit 400 is electrically connected to the voltage control circuit 200. The dc output interface 310 is electrically connected to multiple output terminals of the dc-dc converter circuit 400. Specifically, the input end of the dc-dc conversion circuit 400 is electrically connected to the external dc power supply 30. The control end of the dc-dc converter circuit 400 is electrically connected to the voltage control circuit 200. The multiple output terminals of the dc-dc converter circuit 400 are electrically connected to the dc output interface 310. In this embodiment, the dc-dc conversion circuit 400 enables the continuous dc output device 10 to provide dc power with different outputs even in the absence of ac power, thereby further improving the practicability.
In one embodiment, the dc-dc converter circuit 400 is configured to convert the dc power to any other dc voltage within a predetermined range by cooperating with the microprocessor 220. The specific circuit structure of the ac-ac converter 400 may be similar to the structure shown in fig. 2. And will not be described in detail herein.
Referring to fig. 5, in one embodiment, the continuous dc output device 10 further includes a power connection line 500. The power connection line 500 includes an input interface 510, an output interface 520, and a connection line 530. The input interface 510 and the output interface 520 are electrically connected to the connection line 530. The interface type of the input interface 510 can be matched with the dc output interface 310, so as to implement the plugging with the dc output interface 310. The output interface 520 is matched with the power socket of the electric equipment according to the different electric equipment. By inserting the input interface 510 into the dc output interface 310, the output interface 520 is connected to a power interface of an electrical device, so as to supply power to the electrical device. In this embodiment, the consumer need not to match the adapter, also need not the mating connection line, can realize power and insert convenient to use, and the practicality is strong.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A continuous direct current output device, comprising:
the alternating current-direct current conversion circuit (100) is used for converting alternating current into direct current with any voltage value within a preset range and outputting the direct current;
the voltage control circuit (200) is electrically connected with the alternating current-direct current conversion circuit (100) and is used for controlling the alternating current-direct current conversion circuit (100) to output direct current voltage;
the interface panel (300) comprises a panel body (301), a direct current output interface (310) and a voltage input component (320), wherein the direct current output interface (310) and the voltage input component (320) are arranged on the panel body (301), the direct current output interface (310) is electrically connected with the output end of the alternating current-direct current conversion circuit (100), the voltage input component (320) is electrically connected with the voltage control circuit (200), and the voltage input component (320) is used for inputting target direct current voltage to the voltage control circuit (200).
2. The continuous direct current output device according to claim 1, wherein the voltage control circuit (200) comprises a microprocessor (220), the voltage input component (320) is electrically connected with the microprocessor (220), and the microprocessor (220) is electrically connected with the alternating current-direct current conversion circuit (100).
3. The continuous direct current output device according to claim 2, wherein the alternating current-direct current conversion circuit (100) comprises an AC-DC sub-circuit (170), a voltage reduction circuit (180) and a bridge driving circuit (190), the AC-DC sub-circuit (170) is electrically connected with the voltage reduction circuit (180), the microprocessor (220) is electrically connected with the voltage input assembly (320), the voltage reduction circuit (180) is electrically connected with the microprocessor (220) through the bridge driving circuit (190), and the voltage reduction circuit (180) is electrically connected with the direct current output interface (310).
4. The continuous direct current output device according to claim 3, wherein the output terminal of the alternating current-direct current conversion circuit (100) is electrically connected with the microprocessor (220).
5. The continuous direct current output device according to claim 1, characterized in that the panel body (301) is a 86-type panel, a 118-type panel, a 120-type panel or a 146-type panel.
6. The continuous direct-current output device according to claim 1, wherein the number of the direct-current output interfaces (310) is plural, and each direct-current output interface (310) is disposed on the panel body (301) and is electrically connected to an output end of the alternating-current direct-current conversion circuit (100), respectively.
7. The continuous direct current output device according to claim 1, further comprising:
power connecting wire (500), including input interface (510), output interface (520) and connecting wire (530), input interface (510) with output interface (520) all with connecting wire (530) electricity is connected, input interface (510) can with direct current output interface (310) match to peg graft and realize the electricity and connect, power connecting wire (500) are used for realizing direct current output interface (310) and consumer's electricity are connected.
8. The continuous direct current output device according to claim 1, wherein the direct current output interface (310) is a universal serial bus interface.
9. The continuous direct current output device according to claim 1, characterized in that the direct current output interface (310) is a circular socket or a square socket.
10. The continuous direct current output device according to claim 1, further comprising:
the direct current-direct current conversion circuit (400), the direct current-direct current conversion circuit (400) with the voltage control circuit (200) electricity is connected, direct current output interface (310) with the multiplexed output end electricity of direct current-direct current conversion circuit (400) all is connected, direct current-direct current conversion circuit (400) are used for converting the direct current into the direct current output of arbitrary voltage value in the predetermined scope.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920642801.6U CN210120490U (en) | 2019-05-07 | 2019-05-07 | Continuous direct current output device |
| PCT/CN2019/109291 WO2020224177A1 (en) | 2019-05-07 | 2019-09-30 | Continuous direct current output device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920642801.6U CN210120490U (en) | 2019-05-07 | 2019-05-07 | Continuous direct current output device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210120490U true CN210120490U (en) | 2020-02-28 |
Family
ID=69613673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920642801.6U Active CN210120490U (en) | 2019-05-07 | 2019-05-07 | Continuous direct current output device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN210120490U (en) |
| WO (1) | WO2020224177A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101552542B (en) * | 2008-12-08 | 2010-12-01 | 厦门大学 | Multiplex universal power adapter |
| KR20130026686A (en) * | 2011-09-06 | 2013-03-14 | 안상호 | A self-recharging device for potable it equipments and the method thereof |
| CN102832829A (en) * | 2012-06-18 | 2012-12-19 | 天津三星电子有限公司 | Multiplexed output power adapter |
| CN103457113A (en) * | 2013-08-19 | 2013-12-18 | 四川长虹电器股份有限公司 | Multifunctional patch board with screen display and variable voltage |
| CN104967341B (en) * | 2015-07-03 | 2018-03-06 | 深圳罗马仕科技有限公司 | Power distributor |
-
2019
- 2019-05-07 CN CN201920642801.6U patent/CN210120490U/en active Active
- 2019-09-30 WO PCT/CN2019/109291 patent/WO2020224177A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020224177A1 (en) | 2020-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10849431B2 (en) | Smart chair | |
| CN210120424U (en) | Wallboard charging system | |
| TW200539551A (en) | Power converter that supplies multiple output voltages via adaptor | |
| US9935440B1 (en) | Powered wall mount for a portable electronic device | |
| CN209748426U (en) | Multi-path direct current output device | |
| CN210120490U (en) | Continuous direct current output device | |
| CN105762874A (en) | Multi-USB output interface charger | |
| CN203674488U (en) | Movable type socket having wireless routing function | |
| CN205178206U (en) | Multi -functional socket that charges | |
| JP2002231396A (en) | Plug socket | |
| GB2525712A (en) | Power delivery and/or charging for electrical apparatus | |
| CN209748428U (en) | multi-path direct current output device | |
| EP2618453B1 (en) | Intelligent wall-type charger | |
| CN103001081A (en) | Novel USB (universal serial bus) hub | |
| CN203193062U (en) | Low loss AC-DC energy saving power source socket | |
| CN209993830U (en) | Power socket | |
| CN205195005U (en) | Multi -functional socket and socket subassembly | |
| CN219124115U (en) | Multifunctional inverter and electric bicycle battery suite | |
| CN215580934U (en) | Multi-output deconcentrator with wireless communication function and voltage conversion | |
| CN204652013U (en) | The board-like power supply changeover device of plug wire and USB charging module thereof | |
| CN212849201U (en) | Wireless socket that fills | |
| CN219458889U (en) | High-efficiency power supply conversion device | |
| CN216290298U (en) | Control structure of switchable alternating current and direct current charger | |
| CN209375204U (en) | Powered by direct current conversion equipment | |
| US20180011523A1 (en) | Power adapter with i/o ports |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518101 4th floor, building B1, Zhanfeng Industrial Park, Hangcheng Industrial Park, Taoyuan community, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Weifu Smart Home Technology Co.,Ltd. Address before: 518101 4th floor, building B1, Zhanfeng Industrial Park, Hangcheng Industrial Park, Taoyuan community, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Weifu Wisdom Home Technology Co.,Ltd. |