CN218472821U - Car that conversion efficiency is high fills journey and fills two unification charger circuits and charger thereof - Google Patents
Car that conversion efficiency is high fills journey and fills two unification charger circuits and charger thereof Download PDFInfo
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- CN218472821U CN218472821U CN202221986530.4U CN202221986530U CN218472821U CN 218472821 U CN218472821 U CN 218472821U CN 202221986530 U CN202221986530 U CN 202221986530U CN 218472821 U CN218472821 U CN 218472821U
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Abstract
The utility model discloses a car that conversion efficiency is high fills two unification charger circuits of journey and fills and charger thereof, wherein, a car that conversion efficiency is high fills two unification charger circuits of journey and fills, including car fills direct current input interface, the alternating current input interface of journey, AC-DC circuit, synchronous rectification 1 circuit, synchronous rectification 2 circuit, DC-DC circuit 1, DC-DC circuit 2, first current output module, second current output module; through increasing synchronous rectification 2 circuit, the output of synchronous rectification 2 circuit is connected to first current output module's agreement IC, and, first current output module's FB foot connects in parallel to AC-DC circuit's FB foot, under the travel charge operating condition, can skip DC-DC circuit 1 through synchronous rectification 2 circuit, directly export the agreement IC of PD agreement fast charge module by AC-DC circuit, so, first current output module's conversion efficiency improves greatly, make the charger during operation generate heat and reduce, thereby can further reduce the charger volume, make the charger more conveniently carry the use.
Description
Technical Field
The utility model belongs to the technical field of the charger technique and specifically relates to indicate a car that conversion efficiency is high fills journey and fills two unification charger circuits and charger thereof.
Background
With the further development of digital equipment such as smart phones, the functions are more and more, and the power consumption is more and more. The power of the charger power supply equipped by the device is also increased from 5W/10W to 20W/25W/30W. With the attendant rapid increase in the size of the charger. With the appearance and popularization of GaN devices in recent years, the conversion efficiency of the charger is greatly improved, so that the volume of the charger is possible to be greatly reduced.
However, the conventional vehicle charging and travel charging two-in-one charger has both a travel charging circuit and a vehicle charging circuit, so that the volume is difficult to reduce, specifically, as shown in fig. 1, it shows a circuit of the conventional vehicle charging and travel charging two-in-one charger, which includes a vehicle charging DC input interface, a travel charging AC input interface, an AC-DC circuit, a synchronous rectification 1 circuit, a DC-DC circuit 1, a DC-DC circuit 2, a first current output module, and a second current output module, wherein the DC-DC circuit 1 and the DC-DC circuit 2 are connected in parallel, an output end of the DC-DC circuit 1 is connected to the first current output module, the first current output module is a PD protocol current output module, an output end of the DC-DC circuit 2 is connected to the second current output module, the vehicle charging DC input interface is simultaneously connected to an input end of the DC-DC circuit 1 and an input end of the DC-DC circuit 2, the travel charging AC input interface is connected to an input end of the AC-DC circuit, an output end of the AC-DC circuit is connected to an input end of the synchronous rectification 1 circuit, and an input end of the DC-DC circuit 2; it can be seen from its structure that under the working condition was filled in the journey, the output of first current output module and second current output module all was the twice conversion that will pass through AC-DC circuit and DC-DC circuit, and conversion efficiency is low, and the loss is big, and the product calorific capacity is big, and this makes the car fill the journey fill two unification chargers need bigger volume to guarantee the heat dissipation.
Disclosure of Invention
In view of this, the present invention provides a car charger circuit and charger with high conversion efficiency, which can greatly improve the conversion efficiency of the car charger, reduce the heat generated during the operation of the charger, further reduce the size of the charger, and make the charger more convenient to carry and use.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in a first aspect, a vehicle charging, traveling charging and two-in-one charger circuit with high conversion efficiency comprises a vehicle charging direct current input interface, a traveling charging alternating current input interface, an AC-DC circuit, a synchronous rectification 1 circuit, a synchronous rectification 2 circuit, a DC-DC circuit 1, a DC-DC circuit 2, a first current output module and a second current output module; wherein the DC-DC circuit 1 and the DC-DC circuit 2 are connected in parallel, the output terminal of the DC-DC circuit 1 is connected to a first current output module, the first current output module is a PD protocol current output module, the output terminal of the DC-DC circuit 2 is connected to a second current output module, the vehicle charging DC input interface is simultaneously connected to the input terminal of the DC-DC circuit 1 and the input terminal of the DC-DC circuit 2, the vehicle charging AC input interface is connected to the input terminal of the AC-DC circuit, the output terminal of the AC-DC circuit is connected to the input terminal of the synchronous rectification 1 circuit, the output terminal of the synchronous rectification 1 circuit is simultaneously connected to the input terminal of the DC-DC circuit 1 and the input terminal of the DC-DC circuit 2, the output terminal of the AC-DC circuit is further connected to the input terminal of the synchronous rectification 2 circuit, the output terminal of the synchronous rectification 2 circuit is connected to the protocol IC of the first current output module, and the FB pin of the first current output module is connected in parallel to the FB pin of the AC-DC circuit.
As a preferable scheme, the input voltage of the vehicle charging direct current input interface is 12/24V.
Preferably, the input voltage of the charging alternating current input interface is 100-240V.
In a second aspect, a charger includes the charging and traveling two-in-one charger circuit of the first aspect.
Compared with the prior art, the utility model has obvious advantage and beneficial effect, particularly, can know by above-mentioned technical scheme, it is mainly through increasing synchronous rectification 2 circuit, the output of synchronous rectification 2 circuit is connected to the agreement IC of first current output module, and, the FB foot of first current output module connects in parallel to the FB foot of AC-DC circuit, under the working condition is filled in the journey, can skip DC-DC circuit 1 through synchronous rectification 2 circuit, directly export the agreement IC of PD agreement fast charge module by AC-DC circuit, and agreement IC can direct control AC-DC circuit's output voltage, so, the conversion efficiency of first current output module improves greatly, and under the working condition is filled in the car, synchronous rectification 1 circuit and synchronous rectification 2 circuit are all out of work, do not influence the car and fill the circuit; therefore, the utility model discloses can improve the conversion efficiency that the travel was filled by a wide margin, make the charger during operation generate heat and reduce, like this, just can further reduce the charger volume, make the charger more conveniently carry the use.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic circuit diagram of a conventional vehicle charging and traveling two-in-one charger of the present invention.
Fig. 2 is a schematic circuit diagram of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Referring to fig. 2, an embodiment of the present invention provides a vehicle charging and traveling charging two-in-one charger circuit with high conversion efficiency, which includes a vehicle charging DC input interface, a traveling charging AC input interface, an AC-DC circuit, a synchronous rectification 1 circuit, a synchronous rectification 2 circuit, a DC-DC circuit 1, a DC-DC circuit 2, a first current output module, and a second current output module; wherein, the DC-DC circuit 1 and the DC-DC circuit 2 are connected in parallel, the output terminal of the DC-DC circuit 1 is connected to a first current output module, the first current output module is a PD protocol current output module, the output terminal of the DC-DC circuit 2 is connected to a second current output module, the vehicle charging DC input interface is connected to the input terminal of the DC-DC circuit 1 and the input terminal of the DC-DC circuit 2 at the same time, the vehicle charging AC input interface is connected to the input terminal of the AC-DC circuit, the output terminal of the AC-DC circuit is connected to the input terminal of the synchronous rectification 1 circuit, the output terminal of the synchronous rectification 1 circuit is connected to the input terminal of the DC-DC circuit 1 and the input terminal of the DC-DC circuit 2 at the same time, the output terminal of the AC-DC circuit is further connected to the input terminal of the synchronous rectification 2 circuit, the output terminal of the synchronous rectification 2 circuit is connected to the protocol IC of the first current output module, and the FB pin of the first current output module is connected to the AC-DC circuit in parallel. So, under the travel charging operating condition, can skip DC-DC circuit 1 through 2 circuits of synchronous rectification, directly export the agreement IC of PD agreement quick charge module by AC-DC circuit to agreement IC can the direct control AC-DC circuit's output voltage, so, first current output module's conversion efficiency improves greatly.
Further, the input voltage of the vehicle charging direct current input interface is 12/24V, and in practice, a user can connect the vehicle charging direct current input interface with a power supply interface on a vehicle, so that power supply can be realized.
Furthermore, the input voltage of the travel charging alternating current input interface is 100-240V, and in practice, a user can connect the travel charging alternating current input interface with a mains supply, so that power supply can be realized.
Additionally, the embodiment of the utility model provides a charger is still provided, including a car that conversion efficiency is high fill and travel two unification charger circuit, its conversion efficiency that can improve to travel to fill by a wide margin makes generating heat of charger during operation reduce, like this, just can further reduce the charger volume, makes the charger more conveniently carry the use.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, and improvements made within the principle of the present invention should be included within the protection scope of the present invention.
Claims (4)
1. The utility model provides a car that conversion efficiency is high fills journey and fills two unification charger circuits, its characterized in that: the vehicle charging system comprises a vehicle charging direct current input interface, a travel charging alternating current input interface, an AC-DC circuit, a synchronous rectification 1 circuit, a synchronous rectification 2 circuit, a DC-DC circuit 1, a DC-DC circuit 2, a first current output module and a second current output module; wherein the DC-DC circuit 1 and the DC-DC circuit 2 are connected in parallel, the output terminal of the DC-DC circuit 1 is connected to a first current output module, the first current output module is a PD protocol current output module, the output terminal of the DC-DC circuit 2 is connected to a second current output module, the vehicle charging DC input interface is simultaneously connected to the input terminal of the DC-DC circuit 1 and the input terminal of the DC-DC circuit 2, the vehicle charging AC input interface is connected to the input terminal of the AC-DC circuit, the output terminal of the AC-DC circuit is connected to the input terminal of the synchronous rectification 1 circuit, the output terminal of the synchronous rectification 1 circuit is simultaneously connected to the input terminal of the DC-DC circuit 1 and the input terminal of the DC-DC circuit 2, the output terminal of the AC-DC circuit is further connected to the input terminal of the synchronous rectification 2 circuit, the output terminal of the synchronous rectification 2 circuit is connected to the protocol IC of the first current output module, and the FB pin of the first current output module is connected in parallel to the FB pin of the AC-DC circuit.
2. The vehicle charging and traveling charging two-in-one charger circuit with high conversion efficiency as claimed in claim 1, wherein: the input voltage of the vehicle charging direct current input interface is 12/24V.
3. The vehicle charging and traveling two-in-one charger circuit with high conversion efficiency according to claim 1, characterized in that: the input voltage of the travel charging alternating current input interface is 100-240V.
4. A charger, characterized in that it comprises a two-in-one charger circuit for charging and traveling of a vehicle with high conversion efficiency as claimed in any one of claims 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221986530.4U CN218472821U (en) | 2022-07-29 | 2022-07-29 | Car that conversion efficiency is high fills journey and fills two unification charger circuits and charger thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221986530.4U CN218472821U (en) | 2022-07-29 | 2022-07-29 | Car that conversion efficiency is high fills journey and fills two unification charger circuits and charger thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218472821U true CN218472821U (en) | 2023-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221986530.4U Active CN218472821U (en) | 2022-07-29 | 2022-07-29 | Car that conversion efficiency is high fills journey and fills two unification charger circuits and charger thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218472821U (en) |
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2022
- 2022-07-29 CN CN202221986530.4U patent/CN218472821U/en active Active
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