CN211718793U - Portable display and portable display assembly - Google Patents
Portable display and portable display assembly Download PDFInfo
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- CN211718793U CN211718793U CN202020570807.XU CN202020570807U CN211718793U CN 211718793 U CN211718793 U CN 211718793U CN 202020570807 U CN202020570807 U CN 202020570807U CN 211718793 U CN211718793 U CN 211718793U
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- portable display
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- charging module
- wireless charging
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Abstract
The utility model discloses a portable display and portable display subassembly, portable display include wireless charging module, wired charging module, power management module, battery, casing and display screen, and wireless charging module establishes alternating magnetic field with wireless charging base. The wired charging module is connected with the wired charging base. And the input end of the power management module is respectively connected with the output end of the wireless charging module and the output end of the wired charging module. The storage battery is connected with the output end of the power management module. The housing is provided with a mounting hole. The display screen is installed in the mounting hole. The utility model discloses technical scheme is used for solving the single technical problem of current portable display charging mode.
Description
Technical Field
The utility model relates to a display technical field, in particular to portable display and portable display subassembly.
Background
At present, the current portable display with a battery can be mainly projected to a computer through a commonly used mobile phone TYPEC data port to perform desktop office or extended display of entertainment experience, so that the experience of a large screen is brought to a user. However, the current portable display with a battery needs to be continuously charged when desktop type office and entertainment experience is carried out due to insufficient endurance, and at this time, a power cord needs to be plugged out or pulled out at an office desk by plugging a power cord every time the display which should be portable needs to be moved, so that the desktop which is messy is more disorderly dragged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a portable display aims at solving the single technical problem of portable display charging mode.
In order to achieve the above object, the present invention provides a portable display device, which comprises:
the wireless charging module is used for establishing an alternating magnetic field with the wireless charging base so as to obtain a first input power supply;
the wired charging module is used for being connected with the wired charging base to acquire a second input power supply;
the input end of the power management module is respectively connected with the output end of the wireless charging module and the output end of the wired charging module and is used for filtering and reducing the voltage of the input power input by the wireless charging module or the wired charging module;
the storage battery is connected with the output end of the power management module and is used for storing the current output by the power management module;
a housing provided with a mounting hole;
the display screen is installed in the installation hole.
Optionally, the wireless charging module includes a power conversion circuit, a voltage conversion circuit, and a multi-output voltage stabilizing circuit, an output end of the power conversion circuit is connected to an input end of the voltage conversion circuit, an output end of the voltage conversion circuit is connected to an input end of the multi-output voltage stabilizing circuit, and an output end of the multi-output voltage stabilizing circuit is an output end of the wireless charging module.
Optionally, the number of the output voltage stabilizing circuits is 2.
Optionally, the wired charging module is one or more of a USB interface, a micro USB interface, and a type-C interface.
Optionally, the power management module is a power chip with a model SC 8915.
Optionally, the portable display further includes a control module, and the control module is connected to the wireless charging module, the wired charging module, and the power management module respectively;
the control module is used for detecting whether the wireless charging module and the wired charging module have input power supplies or not, and outputting a control signal to start the power management module to work when detecting that the wireless charging module and/or the wired charging module have input power supplies
Optionally, the control module is a chip with model number MST9U11Q 1.
In order to achieve the above object, the present invention further provides a portable display assembly, which includes a wireless charging base, a wired charging base and the portable display as described above;
when an alternating magnetic field is established between a wireless charging module of the portable display and the wireless charging base, the portable display is charged wirelessly;
the wired charging module of the portable display is connected with the wired charging base, and the portable display is charged in a wired mode.
The utility model discloses technical scheme's portable display includes wireless charging module, wired charging module, power management module, battery, casing and display screen, power management module's input respectively with wireless charging module's output and the output of wired charging module is connected. The storage battery is connected with the output end of the power management module. The shell is provided with a mounting hole, and the display screen is mounted in the mounting hole. When the portable display needs to be charged, the wireless charging module and the wireless charging base establish an alternating magnetic field, and therefore the first input power source is obtained. Or the wired charging module is connected with the wired charging base to acquire the second input power supply. And then, the power supply management module carries out filtering and voltage reduction on the input power supply input by the wireless charging module or the wired charging module, and the storage battery stores the current output by the power supply management module. The utility model discloses technical scheme has add the wireless module of charging for portable display in supporting wired charging to the charge mode of portable display has been enriched, in addition, through the wireless module of charging of installing additional for the display of electrified pond, let the display can carry out efficient wired charging in the time quantum that can continuously charge, also can use the spaced fragmentary time to put at will and charge immediately at the official working, constantly keep high-power, reply the trip.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a block diagram of a portable display according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a portable display according to an embodiment of the present invention;
FIG. 3 is a schematic circuit diagram of an embodiment of a portable display device according to the present invention;
fig. 4 is a schematic block diagram of a portable display according to an embodiment of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a portable display. The charging method is used for solving the problem that the existing portable display is single in charging mode.
In an embodiment of the present invention, as shown in fig. 1 and 2, the portable display includes a wireless charging module 10, a wired charging module 20, a power management module 30, a battery 40, a housing 80 and a display screen 90, and an input end of the power management module 30 is connected to an output end of the wireless charging module 10 and an output end of the wired charging module 20 respectively. The battery 40 is connected to the output of the power management module 30. The housing 80 is provided with a mounting hole 801, and the display screen 90 is mounted in the mounting hole 801.
When the portable display needs to be charged, the wireless charging module 10 and the wireless charging base 50 establish an alternating magnetic field, so as to obtain a first input power supply. Alternatively, the wired charging module 20 is connected to the wired charging base 60 to obtain the second input power. At this time, the charging mode of the portable display can be switched between wired charging and wireless charging, thereby enriching the charging mode of the portable display. Subsequently, the power management module 30 filters and reduces the voltage of the input power input by the wireless charging module 10 or the wired charging module 20, and the storage battery 40 stores the current output by the power management module 30. The utility model discloses technical scheme when supporting wired charging, has add wireless module 10 that charges for portable display to richened portable display's the mode of charging, in addition, install wireless module 10 that charges additional through the display for electrified pond, let the display can carry out efficient wired charging in the time quantum that can continuously charge, also can use spaced fragmentary time to put at will and charge immediately at the time of official working, constantly keep high-power, reply the trip. Wherein the wired charging base 60 is a wired charging head and the wireless charging base 50 is a wireless charging head.
The portable display in this case supports wireless charging. The same wireless charging base 50 can be used with other devices supporting wireless charging without preparing a plurality of charging pins and charging wires for the difference of sockets. The portable display is applied to business office scenes, and the advantage of wireless charging and full utilization of charging in fragmentary time can be perfectly embodied. The portable display device can be taken and placed at any time, work files on the portable display device can be shared at any time without plugging and unplugging a power line, so that the experience is improved, and the service life of a charging port is prolonged. On the basis, the traditional wired charging mode is reserved, so that the portable display can be charged by using the wired charging base 60 under the condition that the wireless charging base 50 is not carried or is forgotten to be carried.
In an embodiment, as shown in fig. 3, the wireless charging module 10 includes a power conversion circuit 101, a voltage conversion circuit 102, and a multi-output voltage stabilizing circuit (1031, 1032), an output terminal of the power conversion circuit 101 is connected to an input terminal of the voltage conversion circuit 102, an output terminal of the voltage conversion circuit 102 is connected to an input terminal of the multi-output voltage stabilizing circuit (1031, 1032), and an output terminal of the multi-output voltage stabilizing circuit (1031, 1032) is an output terminal of the wireless charging module 10.
The power conversion circuit 101 obtains alternating current through several ways such as an electromagnetic induction type, an electromagnetic resonance type, a radio wave type, and an electric field coupling type, the voltage conversion circuit 102 converts the alternating current output by the power conversion circuit 101 into multiple paths of direct current, and the multiple output voltage stabilizing circuits (1031, 1032) respectively output the multiple paths of direct current through voltage stabilizing and filtering, so that the voltage supplied by the wireless charging module 10 to the power management module 30 can be stabilized.
In an embodiment, the power conversion circuit 101 is composed of a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a ninth capacitor C9, a tenth capacitor C10, a first capacitor C1, a first coil L1, a first diode D1, and a second diode D2 as shown in fig. 3.
In one embodiment, the voltage converting circuit 102 is a model CWQ1100-W chip.
In an embodiment, the output voltage stabilizing circuit may be an output voltage stabilizing circuit 1031 formed by a first resistor R1, an eleventh capacitor C11, a twelfth capacitor C12, a thirteenth capacitor C13 and a fourteenth capacitor C14. The output voltage stabilizing circuit 1032 can also be composed of a second resistor R2, a fifteenth capacitor C15, a sixteenth capacitor C16 and a seventeenth capacitor C17.
In one embodiment, the number of output voltage stabilizing circuits is 2 in order to simplify the circuit.
In one embodiment, in order to facilitate the application of the portable charger in various situations and to facilitate the user to select an appropriate interface type, so that the user can use the wired charging base 60 of the existing electronic product to charge the portable charger, the wired charging module 20 is one or more of a USB interface, a micro USB interface, and a type-C interface.
In one embodiment, the power management module 30 is a power chip with model SC8915 for further improving and facilitating the processing of the output current of the wired charging module 20 and the output current of the wireless charging module 10. It should be noted that the chip model selected at this time is only one implementation manner, and based on the working principle of the present solution, other power management chips with the same function may be selected to replace the chip model.
In one embodiment, as shown in fig. 4, the portable display further includes a control module 70, and the control module 70 is connected to the wireless charging module 10, the wired charging module 20, and the power management module 30 respectively.
The control module 70 detects whether there is an input power input to the wireless charging module 10 and the wired charging module 20, and outputs a control signal to start the power management module 30 to operate when it detects that there is an input power input to the wireless charging module 10 and/or the wired charging module 20.
In one embodiment, to simplify the circuitry, the control module 70 is a chip model MST9U11Q 1. It should be noted that the chip model selected at this time is only one implementation, and based on the working principle of the present solution, other control chips with the same function may be selected to replace the chip model.
The principle of the present invention is described below with reference to fig. 1, 2, and 3:
in the first case, the wireless charging module 10 of the portable display establishes an alternating magnetic field with the wireless charging base 50, and the portable display is charged wirelessly, so that the wireless charging module 10 acquires the alternating current and outputs the alternating current to the storage battery 40 through the processing of the power management chip to realize wireless charging.
In the second case, the wired charging module 20 of the portable display is connected to the wired charging base 60, and the portable display is charged in a wired manner, so that the wired charging module 20 acquires the alternating current and outputs the alternating current to the storage battery 40 through the processing of the power management chip, thereby realizing the wired charging.
In the third case, the wireless charging module 10 of the portable display and the wireless charging base 50 establish an alternating magnetic field, and the wired charging module 20 of the portable display and the wired charging base 60 are connected, and at the same time, the wired charging mode is selected to supply power to the portable display assembly.
The wireless charging is additionally arranged on the portable display, so that the charging mode of the portable display is enriched.
The present application also proposes a portable display assembly comprising a wireless charging base 50, a wired charging base 60 and a portable display as above.
The portable display assembly has a wireless charging mode, a wired charging mode and a hybrid charging mode, the two modes can work independently, and when the wireless charging module 10 of the portable display and the wireless charging base 50 establish an alternating magnetic field, the portable display assembly is in the wireless charging mode. The wired charging module 20 of the portable display is connected to the wired charging base 60, and the portable display module is in a wired charging mode. When the wireless charging module 10 of the portable display and the wireless charging base 50 establish an alternating magnetic field and the wired charging module 20 of the portable display is connected with the wired charging base 60, the two are simultaneously connected, and the wired charging mode is selected to supply power to the portable display assembly.
It should be noted that, since the portable display device assembly of the present application includes the portable display device, the portable display device assembly of the present invention includes all the embodiments and advantageous effects of the portable display device, which are not described herein again.
The above is only the optional embodiment of the present invention, and not therefore the scope of the present invention is limited, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the application directly/indirectly in other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. A portable display, characterized in that the portable display comprises:
the wireless charging module is used for establishing an alternating magnetic field with the wireless charging base so as to obtain a first input power supply;
the wired charging module is used for being connected with the wired charging base to acquire a second input power supply;
the input end of the power management module is respectively connected with the output end of the wireless charging module and the output end of the wired charging module and is used for filtering and reducing the voltage of the input power input by the wireless charging module or the wired charging module;
the storage battery is connected with the output end of the power management module and is used for storing the current output by the power management module;
a housing provided with a mounting hole;
the display screen is installed in the installation hole.
2. The portable display of claim 1, wherein the wireless charging module comprises a power conversion circuit, a voltage conversion circuit, and a multi-output voltage regulator circuit, wherein an output of the power conversion circuit is connected to an input of the voltage conversion circuit, an output of the voltage conversion circuit is connected to an input of the multi-output voltage regulator circuit, and an output of the multi-output voltage regulator circuit is an output of the wireless charging module.
3. The portable display of claim 2, wherein the number of output voltage stabilizing circuits is 2.
4. The portable display of claim 1, wherein the wired charging module is one or more of a USB interface, a microUSB interface, a type-C interface.
5. The portable display of claim 1, wherein the power management module is a power chip model SC 8915.
6. The portable display of claim 1, further comprising a control module, the control module being connected to the wireless charging module, the wired charging module, and the power management module, respectively;
the control module is used for detecting whether the wireless charging module and the wired charging module input an input power supply or not, and outputting a control signal to start the power supply management module to work when detecting that the wireless charging module and/or the wired charging module input the input power supply.
7. The portable display of claim 6, wherein the control module is a chip model MST9U11Q 1.
8. A portable display assembly comprising a wireless charging base, a wired charging base, and a portable display according to any one of claims 1-7;
when an alternating magnetic field is established between a wireless charging module of the portable display and the wireless charging base, the portable display is charged wirelessly;
the wired charging module of the portable display is connected with the wired charging base, and the portable display is charged in a wired mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020570807.XU CN211718793U (en) | 2020-04-16 | 2020-04-16 | Portable display and portable display assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020570807.XU CN211718793U (en) | 2020-04-16 | 2020-04-16 | Portable display and portable display assembly |
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| CN211718793U true CN211718793U (en) | 2020-10-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112952936A (en) * | 2021-02-05 | 2021-06-11 | 联纲光电科技股份有限公司 | Vehicle-mounted wireless charging device |
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2020
- 2020-04-16 CN CN202020570807.XU patent/CN211718793U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112952936A (en) * | 2021-02-05 | 2021-06-11 | 联纲光电科技股份有限公司 | Vehicle-mounted wireless charging device |
| CN112952936B (en) * | 2021-02-05 | 2021-09-28 | 联纲光电科技股份有限公司 | Vehicle-mounted wireless charging device |
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