CN211579709U - Multi-channel digital display wireless charger - Google Patents
Multi-channel digital display wireless charger Download PDFInfo
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- CN211579709U CN211579709U CN201922387506.3U CN201922387506U CN211579709U CN 211579709 U CN211579709 U CN 211579709U CN 201922387506 U CN201922387506 U CN 201922387506U CN 211579709 U CN211579709 U CN 211579709U
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Abstract
The utility model provides a wireless charger of multichannel digital display, include: the wireless charging system comprises a direct-current power supply input circuit, a system power supply circuit, a plurality of wireless charging output circuits, an indicator lamp, a main control circuit and a digital display circuit; the direct-current power supply input circuit is respectively connected with each wireless charging output circuit and the system power supply circuit; the system power supply circuit is connected with the main control circuit; each wireless charging output circuit is connected with one indicator light, so that when the wireless charging output circuit is connected with a load, the indicator light is lightened; each wireless charging output circuit is also connected with the main control circuit; the main control circuit is connected with the digital display circuit so as to display the current and voltage input and output by each wireless charging output circuit with load access through the digital display circuit. Through setting up the pilot lamp, can know whether each power output circuit is charging, and through the setting of master control circuit and digital display circuit, can be more careful the understanding each power output circuit's the charged state.
Description
Technical Field
The utility model relates to a wireless charging device field, in particular to wireless charger of multichannel digital display.
Background
With the continuous improvement of the requirements of the electric equipment on power supply quality, safety, reliability, convenience, instantaneity, special occasions, special geographic environments and the like, the contact type electric energy transmission mode can not meet the actual requirements more and more. The wireless charger is a device which utilizes the principle of electromagnetic induction to charge, the principle is similar to that of a transformer, a coil is respectively arranged at a transmitting end and a receiving end, the coil at the transmitting end sends out an electromagnetic signal to the outside under the action of electric power, and the coil at the receiving end receives the electromagnetic signal and converts the electromagnetic signal into current, so that the purpose of wireless charging is achieved. The wireless charging technology is a special power supply mode, does not need a power line, depends on electromagnetic wave propagation, converts electromagnetic wave energy into electric energy, and finally realizes wireless charging.
The existing wireless chargers are widely used in the field of lithium battery charging of various portable and handheld devices. Such as: the mobile phone, the PDA, the GPS and other devices provide much convenience for people's life, and there are multiple wireless chargers for charging multiple devices at the same time, but when charging multiple devices, the charging state cannot be known, for example, the current and voltage of the charging port cannot be known, and whether each charging port is charging or not cannot be known.
Thus, there is a need for a charger that has better knowledge of the charging status and whether it is charging.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a multichannel digital display wireless charger through setting up the pilot lamp, can know whether each power output circuit is charging, and through the setting of master control circuit and digital display circuit, can be more careful know each power output circuit's the charged state.
Specifically, the utility model provides a following specific embodiment:
the embodiment of the utility model provides a multichannel digital display wireless charger is provided, include: the wireless charging system comprises a direct-current power supply input circuit, a system power supply circuit, a plurality of wireless charging output circuits, an indicator lamp, a main control circuit and a digital display circuit; wherein the content of the first and second substances,
the direct-current power supply input circuit is respectively connected with each wireless charging output circuit and the system power supply circuit;
the system power supply circuit is connected with the main control circuit;
each wireless charging output circuit is connected with one indicator light, so that when the wireless charging output circuit is connected with a load, the indicator light is lightened;
each wireless charging output circuit is also connected with the master control circuit;
the main control circuit is connected with the digital display circuit so as to display the current and voltage input and output by each wireless charging output circuit with load access through the digital display circuit.
In a specific embodiment, the indicator light is an LED light.
In a specific embodiment, the main control circuit is an MCU.
In a specific embodiment, the wireless charging output circuit includes: the wireless charging circuit comprises a DC-DC circuit, a wireless protocol circuit, a detection and control circuit and a wireless charging coil; wherein the content of the first and second substances,
the DC-DC circuit is connected with the direct-current power supply input circuit;
the wireless protocol circuit is connected with the DC-DC circuit and the detection and control circuit;
the detection and control circuit is connected with the main control circuit;
the wireless charging coil is connected with the wireless protocol circuit.
In a specific embodiment, the dc power input circuit is: Type-C interface circuit.
In a specific embodiment, the dc power input circuit is: a USB interface circuit.
In a specific embodiment, the USB interface circuit is an interface circuit with a port of USB 3.0.
In a specific embodiment, the system power supply circuit is an LDO power supply circuit.
In a specific embodiment, the digital display circuit includes: digital display voltmeter and digital display ammeter.
In a specific embodiment, the digital display circuit includes: a nixie tube display.
Therefore, the embodiment of the utility model provides a multichannel digital display wireless charger is provided, include: the wireless charging system comprises a direct-current power supply input circuit, a system power supply circuit, a plurality of wireless charging output circuits, an indicator lamp, a main control circuit and a digital display circuit; the direct-current power supply input circuit is respectively connected with each wireless charging output circuit and the system power supply circuit; the system power supply circuit is connected with the main control circuit; each wireless charging output circuit is connected with one indicator light, so that when the wireless charging output circuit is connected with a load, the indicator light is lightened; each wireless charging output circuit is also connected with the master control circuit; the main control circuit is connected with the digital display circuit so as to display the current and voltage input and output by each wireless charging output circuit with load access through the digital display circuit. Through setting up the pilot lamp, can know whether each power output circuit is charging, and through the setting of master control circuit and digital display circuit, can be more careful the understanding each power output circuit's the charged state.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a multi-channel digital display wireless charger according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a multi-channel digital display wireless charger according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a main control circuit in a multi-channel digital display wireless charger according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a system power supply circuit in a multi-channel digital display wireless charger according to an embodiment of the present invention;
fig. 5 is a schematic view of a partial structure of a digital display circuit in a multi-channel digital display wireless charger according to an embodiment of the present invention;
fig. 6 is a schematic structural view of the remaining part of a digital display circuit in a multi-channel digital display wireless charger according to an embodiment of the present invention;
fig. 7 is a schematic view of a partial structure of a DC-DC circuit in a multi-channel digital display wireless charger according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of the remaining part of the DC-DC circuit in the multi-channel digital display wireless charger according to the embodiment of the present invention;
fig. 9 is a schematic structural diagram of a TYPE-C interface circuit in a multi-channel digital display wireless charger according to an embodiment of the present invention;
fig. 10 is a schematic structural view of an indicator light in a multi-channel digital display wireless charger according to an embodiment of the present invention.
Illustration of the drawings:
1-a direct current power input circuit; 2-system power supply circuit;
3-a wireless charging output circuit; 4-an indicator light;
5-a master control circuit; 6-digital display circuit.
Detailed Description
Various embodiments of the present disclosure will be described more fully hereinafter. The present disclosure is capable of various embodiments and of modifications and variations therein. However, it should be understood that: there is no intention to limit the various embodiments of the disclosure to the specific embodiments disclosed herein, but rather, the disclosure is to cover all modifications, equivalents, and/or alternatives falling within the spirit and scope of the various embodiments of the disclosure.
The terminology used in the various embodiments of the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the present disclosure. As used herein, the singular forms are intended to include the plural forms as well, unless the context clearly indicates otherwise. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the various embodiments of the present disclosure belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined in various embodiments of the present disclosure.
Examples
The embodiment of the utility model discloses wireless charger of multichannel digital display, as shown in fig. 1-9, include: the wireless charging system comprises a direct-current power supply input circuit 1, a system power supply circuit 2, a plurality of wireless charging output circuits 3, an indicator lamp 4, a main control circuit 5 (shown in figure 3) and a digital display circuit 6; wherein the content of the first and second substances,
the direct-current power supply input circuit 1 is respectively connected with each wireless charging output circuit 3 and the system power supply circuit 2;
the system power supply circuit 2 is connected with the main control circuit 5;
specifically, as shown in fig. 4, the system power supply circuit 2 is an LDO (Low dropout regulator) power supply circuit.
The direct-current power supply input circuit 1 is supplied with power through an external power supply, for example, a Type-C interface, the input voltage VBUS is subjected to 5V voltage conversion through the LDO circuit, and the input voltage is reduced to a required voltage value to be supplied to the main control chip U3 and other circuits needing power consumption in the charger;
each wireless charging output circuit 3 is connected with one indicator lamp 4, so that when a load is accessed to the wireless charging output circuit, the indicator lamp 4 is lightened;
specifically, as shown in fig. 10, the indicator lamp 4 is an LED (light emitting diode) lamp. Based on this, by providing the indicator lamp 4, it is possible to know whether each wireless charging output circuit 3 is charging, and when the indicator lamp is on, it represents that power is on, that is, the wireless charging output circuit is operating, and power output is performed, and if the indicator lamp is not on, it represents that power is not on, that is, the wireless charging output circuit is not operating, and power output is not performed.
The charger adopting the LED lamp is small in whole, good in portability and stability and beneficial to long-time work.
Each wireless charging output circuit 3 is also connected with the main control circuit 5;
the main control circuit 5 is connected with the digital display circuit 6 so as to display the current and voltage input and output by each wireless charging output circuit 3 with load access through the digital display circuit 6.
Specifically, the digital display circuit 6 includes: digital display voltmeter and digital display ammeter.
Therefore, the detection circuit is respectively arranged at the input end and the output end of each wireless charging output circuit 3, so that the charging state (including the input current and voltage and the output current and voltage) of each wireless charging output circuit 3 can be detected and the display of the detection number can be realized. The wireless charging output circuit 3 is beneficial to monitoring and visual numerical value checking.
In a specific embodiment, the digital display circuit 6 includes: a nixie tube display.
Specifically, the digital display circuit 6 may also be a circuit as shown in fig. 5 to 6.
In a specific embodiment, the main control circuit 5 is an MCU.
The MCU, also called a Micro Controller Unit (MCU), is a single chip microcomputer or a single chip microcomputer, which properly reduces the frequency and specification of a Central Processing Unit (CPU), and integrates a memory (memory), a counter (Timer), a USB, an a/D converter, a UART, a PLC, a DMA, and other peripheral interfaces, even an LCD driving circuit, on a single chip to form a chip-level computer, which can be controlled in different combinations for different applications, and the MCU is used as the main control circuit 5, which can perform a good control function and low power consumption, and can well meet the usage environment and usage requirements of the charger.
In a specific embodiment, the wireless charging output circuit 3 includes: DC-DC circuitry (shown in fig. 7-8), wireless protocol circuitry, detection and control circuitry, wireless charging coil; wherein the content of the first and second substances,
the DC-DC circuit is connected with the direct-current power supply input circuit 1;
the wireless protocol circuit is connected with the DC-DC circuit and the detection and control circuit;
the detection and control circuit is connected with the main control circuit 5;
the wireless charging coil is connected with the wireless protocol circuit.
Specifically, as shown in fig. 3 to 9, the D +/D-recognition circuit in the main control circuit 5 communicates with the input adapter through the loading voltage, the input voltage adapter is adjusted to adjust the output voltage through the read different D +/D-voltage combination values, and the fast charge output function is realized by the D +/D-communication condition;
the power circuit comprises a full-bridge power circuit, a main control chip, a coil and an NPO/CBB capacitor, wherein the full-bridge power circuit consists of two power MOS (metal oxide semiconductor) devices, the power conversion is controlled by driving the MOS devices, the coil and the NPO/CBB capacitor form a resonance circuit, the resonance circuit transfers power with a receiving end, when a Tx end in the circuit is placed into Rx equipment, the Tx works after sensing the power equipment, and current and voltage decoding and communication of the receiving end are carried out through an output current detection circuit and a voltage; the 31 pins of the main control chip U3 can be externally connected with LEDs and the flashing mode of the LEDs is controlled through software setting, the 2 pins control the display circuit of the nixie tube, the nixie tube controls the singlechip, the built-in display program is communicated with the main control chip through the signal pins, and the main control chip U3 sends instructions for display;
in a specific embodiment, to facilitate charging and save the space of the charging port, as shown in fig. 9, the dc power input circuit 1 is: Type-C interface circuit.
In a specific embodiment, in order to expand the use range of charging, the dc power input circuit 1 is: a USB interface circuit.
Further, in order to ensure the charging speed, the USB interface circuit is an interface circuit with a port of USB 3.0.
Therefore, the embodiment of the utility model provides a multichannel digital display wireless charger is provided, include: the wireless charging system comprises a direct-current power supply input circuit 1, a system power supply circuit 2, a plurality of wireless charging output circuits 3, an indicator lamp 4, a main control circuit 5 and a digital display circuit 6; the direct-current power supply input circuit 1 is respectively connected with each wireless charging output circuit 3 and the system power supply circuit 2; the system power supply circuit 2 is connected with the main control circuit 5; each wireless charging output circuit 3 is connected with one indicator lamp 4, so that when a load is accessed to the wireless charging output circuit, the indicator lamp 4 is lightened; each wireless charging output circuit 3 is also connected with the main control circuit 5; the main control circuit 5 is connected with the digital display circuit 6 so as to display the current and voltage input and output by each wireless charging output circuit 3 with load access through the digital display circuit 6. Through setting up pilot lamp 4, can know whether each power output circuit is charging, and through the setting of master control circuit 5 and digital display circuit 6, can more meticulous understanding each power output circuit's the charged state.
Those skilled in the art will appreciate that the figures are merely schematic illustrations of one preferred implementation scenario and that the circuits or processes in the figures are not necessary to practice the present invention.
Those skilled in the art will appreciate that the circuitry in the devices in the implementation scenario may be distributed in the devices in the implementation scenario as described in the implementation scenario, or may be correspondingly modified in one or more devices different from the present implementation scenario. The circuit of the above implementation scenario may be combined into one circuit, or may be further split into multiple sub-circuits.
The sequence numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the implementation scenario.
The above disclosure is only a few specific implementation scenarios of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.
Claims (10)
1. A multi-channel digital display wireless charger is characterized by comprising: the wireless charging system comprises a direct-current power supply input circuit, a system power supply circuit, a plurality of wireless charging output circuits, an indicator lamp, a main control circuit and a digital display circuit; wherein the content of the first and second substances,
the direct-current power supply input circuit is respectively connected with each wireless charging output circuit and the system power supply circuit;
the system power supply circuit is connected with the main control circuit;
each wireless charging output circuit is connected with one indicator light, so that when the wireless charging output circuit is connected with a load, the indicator light is lightened;
each wireless charging output circuit is also connected with the master control circuit;
the main control circuit is connected with the digital display circuit so as to display the current and voltage input and output by each wireless charging output circuit with load access through the digital display circuit.
2. The multi-channel digital display wireless charger according to claim 1, wherein the indicator light is an LED light.
3. The multi-channel digital display wireless charger according to claim 1, wherein the main control circuit is an MCU.
4. The multi-channel digital display wireless charger according to claim 1, wherein the wireless charging output circuit comprises: the wireless charging circuit comprises a DC-DC circuit, a wireless protocol circuit, a detection and control circuit and a wireless charging coil; wherein the content of the first and second substances,
the DC-DC circuit is connected with the direct-current power supply input circuit;
the wireless protocol circuit is connected with the DC-DC circuit and the detection and control circuit;
the detection and control circuit is connected with the main control circuit;
the wireless charging coil is connected with the wireless protocol circuit.
5. The multi-channel digital display wireless charger according to claim 1, wherein the DC power input circuit is: Type-C interface circuit.
6. The multi-channel digital display wireless charger according to claim 1, wherein the DC power input circuit is: a USB interface circuit.
7. The multi-channel digital display wireless charger according to claim 6, wherein the USB interface circuit is an interface circuit with a port of USB 3.0.
8. The multi-channel digital display wireless charger according to claim 1, wherein the system power supply circuit is an LDO power supply circuit.
9. The multi-channel digital display wireless charger according to claim 1, wherein the digital display circuit comprises: digital display voltmeter and digital display ammeter.
10. The multi-channel digital display wireless charger according to claim 1, wherein the digital display circuit comprises: a nixie tube display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922387506.3U CN211579709U (en) | 2019-12-26 | 2019-12-26 | Multi-channel digital display wireless charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922387506.3U CN211579709U (en) | 2019-12-26 | 2019-12-26 | Multi-channel digital display wireless charger |
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| Publication Number | Publication Date |
|---|---|
| CN211579709U true CN211579709U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922387506.3U Active CN211579709U (en) | 2019-12-26 | 2019-12-26 | Multi-channel digital display wireless charger |
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| Country | Link |
|---|---|
| CN (1) | CN211579709U (en) |
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- 2019-12-26 CN CN201922387506.3U patent/CN211579709U/en active Active
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Address after: 518000 2nd floor, building B, Beisi intelligent park, 2008 Xuegang Road, Gangtou community, Bantian street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Beisi Technology Co.,Ltd. Address before: 518000 room 505, building 3, Yunli intelligent park, No.5, middle Changfa Road, Yangmei community, Bantian street, Longgang District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Beihang Technology Co.,Ltd. |
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