CN209844614U - Bidirectional wireless charging and discharging equipment - Google Patents
Bidirectional wireless charging and discharging equipment Download PDFInfo
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- CN209844614U CN209844614U CN201921034851.2U CN201921034851U CN209844614U CN 209844614 U CN209844614 U CN 209844614U CN 201921034851 U CN201921034851 U CN 201921034851U CN 209844614 U CN209844614 U CN 209844614U
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- 238000007599 discharging Methods 0.000 title claims abstract description 59
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims description 48
- 230000005669 field effect Effects 0.000 claims description 48
- 239000003381 stabilizer Substances 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model provides a bidirectional wireless charging and discharging device, which comprises a power supply charging circuit, a power supply discharging circuit, a wireless charging circuit, a wireless discharging circuit, an external trigger circuit and a main control chip; the power supply charging circuit, the power supply discharging circuit, the external trigger circuit and the wireless discharging circuit are all electrically connected with the main control chip; the wireless charging circuit is respectively electrically connected with the power supply discharging circuit and the power supply charging circuit. The bidirectional wireless charging and discharging equipment is low in cost, and can realize the function of charging and discharging simultaneously through wireless transmission.
Description
Technical Field
The utility model discloses circuit design technical field, concretely relates to two-way wireless charging and discharging equipment.
Background
The wireless charging technology is derived from a wireless power transmission technology and can be divided into a low-power wireless charging mode and a high-power wireless charging mode. The low-power wireless charging is usually performed by electromagnetic induction, such as Qi charging for mobile phones. High-power wireless charging usually adopts a resonance mode (the mode is adopted by most electric vehicles) and energy is transmitted to a power utilization device (a charger) by power supply equipment, and the device charges a battery by using received energy.
However, the existing charging equipment needs an interface to charge, has a single charging mode, and does not have the function of realizing simultaneous charging and discharging through wireless transmission.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims at providing a two-way wireless charging and discharging equipment, it is with low costs, can realize the function of charge-discharge simultaneously through wireless transmission.
A bidirectional wireless charging and discharging device comprises a power supply charging circuit, a power supply discharging circuit, a wireless charging circuit, a wireless discharging circuit, an external trigger circuit and a main control chip;
the power supply charging circuit, the power supply discharging circuit, the external trigger circuit and the wireless discharging circuit are all electrically connected with the main control chip; the wireless charging circuit is respectively electrically connected with the power supply discharging circuit and the power supply charging circuit.
Preferably, the power charging circuit comprises a mobile power chip U4 and a voltage regulator Q3;
the SW port of the mobile power chip U4 is grounded through a series resistor R5 and a capacitor C5; the SW port of the mobile power chip U4 is connected with the positive electrode of the battery through a series inductor L3 and a resistor R23; the intermediate node of the inductor L3 and the resistor R23 is grounded through a capacitor C48; the middle node of the resistor R23 and the anode of the battery is grounded through a capacitor C47; the intermediate node of the resistor R23 and the battery anode is also grounded through a series resistor R6 and a capacitor C6; the middle node of the resistor R23 and the resistor R6 is connected with the middle node of the inductor L3 and the resistor R23 through the capacitor C41; the SW port of the mobile power chip U4 is connected with the BST end of the mobile power chip U4 through a capacitor C49;
an SDA port and an SCK port of the mobile power supply chip U4 are connected to the main control chip; the VOUT port of the mobile power supply chip U4 is grounded through a series resistor R4 and a capacitor C4, and the VOUT ports of the mobile power supply chip U4 are connected to the D2 port of the voltage stabilizer Q3; the GATE _ C port of the mobile power chip U4 is connected to the G1 port and the G2 port of the regulator Q3; the S1 port of the voltage stabilizer Q3 is connected to the S2 port, the S1 port of the voltage stabilizer Q3 is connected with the drain electrode of the field effect transistor Q4, and the drain electrode of the field effect transistor Q4 is connected with the grid electrode of the field effect transistor Q4 through a resistor R40; the drain electrode of the field effect transistor Q4 is connected with the collector electrode of the triode Q6, the emitter electrode of the triode Q6 is grounded, and the base electrode of the triode Q6 is connected to the main control chip through the resistor R55; the source electrode of the field effect transistor Q4 is connected with the base electrode of the triode Q5 through a resistor R38, and the collector electrode of the triode Q5 is connected with the main control chip; the node between the resistor R38 and the base of the triode Q5 is grounded through the resistor R41, and the source of the field effect transistor Q4 is used as the output end of the power supply charging circuit and is connected with the wireless charging circuit.
Preferably, the wireless charging circuit comprises a power supply chip U3; the OUT port of the power chip U3 is connected with the GND port of the power chip U3 through a capacitor C43 and a capacitor C42 which are respectively connected in parallel; the GND port of the power supply chip U3 is grounded; the OUT port of the power supply chip U3 is connected with the output end of the power supply charging circuit; the COIL1 port of the power chip U3 is connected to the COIL2 port of the power chip U3 through the wireless receiving COIL L2.
Preferably, the power supply discharge circuit comprises a mobile power supply chip U5 and a voltage regulator Q7;
the SW port of the mobile power chip U5 is grounded through a series resistor R2 and a capacitor C2; the SW port of the mobile power chip U5 is connected with the positive electrode of the battery through a series inductor L4 and a resistor R46; the intermediate node of the inductor L4 and the resistor R46 is grounded through a capacitor C63; the middle node of the resistor R46 and the anode of the battery is grounded through a capacitor C62; the intermediate node of the resistor R46 and the battery anode is also grounded through a series resistor R3 and a capacitor C3; the middle node of the resistor R46 and the resistor R3 is connected with the middle node of the inductor L4 and the resistor R46 through the capacitor C55; the SW port of the mobile power chip U5 is connected with the BST end of the mobile power chip U5 through a capacitor C64;
the KEY port of the mobile power supply chip U5 is connected to the main control chip through a resistor R58;
an IRQ port, an SDA port and an SCK port of the mobile power supply chip U5 are all connected to the main control chip; the VOUT port of the mobile power supply chip U5 is grounded through a series resistor R1 and a capacitor C1, and the VOUT ports of the mobile power supply chip U5 are connected to the D2 port of the voltage stabilizer Q7; the GATE _ a port of the mobile power chip U5 is connected to the G1 port and the G2 port of the regulator Q7; the S1 port of the voltage stabilizer Q7 is connected to the S2 port, the S1 port of the voltage stabilizer Q7 is connected with the source electrode of the field effect transistor Q8, and the source electrode of the field effect transistor Q8 is connected with the grid electrode of the field effect transistor Q8 through a resistor R56; the source electrode of the field effect transistor Q8 is connected with the collector electrode of the triode Q10, the emitter electrode of the triode Q10 is grounded, and the base electrode of the triode Q10 is connected to the main control chip through the resistor R48; the drain electrode of the field effect transistor Q8 is connected with the drain electrode of the field effect transistor Q9, the drain electrode of the field effect transistor Q9 is connected with the grid electrode of the field effect transistor Q9 through a resistor R57, the grid electrode of the field effect transistor Q9 is connected with the collector electrode of the triode Q11, the emitter electrode of the triode Q11 is grounded, and the base electrode of the triode Q11 is connected to the main control chip through a resistor R49; and the source electrode of the field effect transistor Q9 is used as the output of the power supply discharge circuit and is connected with the wireless charging circuit.
Preferably, the wireless discharge circuit comprises a discharge management chip, and the model of the discharge management chip is CWQ 1000.
Preferably, the model of the main control chip is HR7P 153.
Preferably, the external trigger circuit comprises a switch S1; one end of the switch S1 is grounded, and the other end is connected to the main control chip through the series resistor R68, the positive diode LED3 and the resistor R60; a node between the resistor R68 and the diode LED3 is connected to a node between the diode LED3 and the resistor R60 by the reverse connection of the diode LED 4;
the node between the resistor R68 and the diode LED3 is also connected to the main control chip through a forward diode LED5 and a series R65; a node between the resistor R68 and the diode LED3 is connected to a node between the diode LED5 and the resistor R65 by the reverse connection of the diode LED 6;
the node between resistor R68 and diode LED3 is also connected to the master control chip.
Preferably, the models of the mobile power chip U4 and the mobile power chip U5 are SW 6124.
Preferably, the model of the power chip U3 is HL6201_ M.
Preferably, the voltage stabilizer is 8205 in model number.
According to the above technical scheme, the utility model provides a two-way wireless charging and discharging equipment can realize the function of charge and discharge simultaneously through wireless transmission.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a block diagram of a bidirectional wireless charging and discharging device provided in this embodiment.
Fig. 2 is a circuit diagram of the charging and discharging circuit provided in this embodiment.
Fig. 3 is an enlarged view of a power charging circuit in the charging and discharging circuit provided in this embodiment.
Fig. 4 is an enlarged view of a wireless charging circuit in the charging and discharging circuit provided in this embodiment.
Fig. 5 is an enlarged view of a power charging circuit in the charging and discharging circuit provided in this embodiment.
Fig. 6 is a circuit diagram of the main control chip provided in this embodiment.
Fig. 7 is a circuit diagram of an external trigger circuit provided in the present embodiment.
Fig. 8 is a circuit diagram of a wireless discharge circuit provided in this embodiment.
Fig. 9 is a first enlarged view of the wireless discharge circuit provided in this embodiment.
Fig. 10 is a second enlarged view of the wireless discharge circuit provided in this embodiment.
Fig. 11 is a third enlarged view of the wireless discharge circuit provided in this embodiment.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Example (b):
a bidirectional wireless charging and discharging device is shown in figure 1 and comprises a power supply charging circuit, a power supply discharging circuit, a wireless charging circuit, a wireless discharging circuit, an external trigger circuit and a main control chip;
the power supply charging circuit, the power supply discharging circuit, the external trigger circuit and the wireless discharging circuit are all electrically connected with the main control chip; the wireless charging circuit is respectively electrically connected with the power supply discharging circuit and the power supply charging circuit.
Specifically, the wireless charging circuit completes interaction with external wireless discharging equipment, converts magnetic energy received from the wireless discharging equipment into electric energy, and sends the electric energy to the power supply charging circuit for charging. The power charging circuit can convert the input voltage into a voltage suitable for the battery, and the battery is charged according to the state of the battery.
The bidirectional wireless charging and discharging equipment is low in cost, and can realize the function of charging and discharging simultaneously through wireless transmission.
Referring to fig. 2-5, wherein fig. 3-5 are enlarged views of fig. 2, the power charging circuit includes a portable power chip U4 and a voltage regulator Q3;
the SW port of the mobile power chip U4 is grounded through a series resistor R5 and a capacitor C5; the SW port of the mobile power chip U4 is connected with the positive electrode of the battery through a series inductor L3 and a resistor R23; the intermediate node of the inductor L3 and the resistor R23 is grounded through a capacitor C48; the middle node of the resistor R23 and the anode of the battery is grounded through a capacitor C47; the intermediate node of the resistor R23 and the battery anode is also grounded through a series resistor R6 and a capacitor C6; the middle node of the resistor R23 and the resistor R6 is connected with the middle node of the inductor L3 and the resistor R23 through the capacitor C41; the SW port of the mobile power chip U4 is connected with the BST end of the mobile power chip U4 through a capacitor C49;
an SDA port and an SCK port of the mobile power supply chip U4 are connected to the main control chip; the VOUT port of the mobile power supply chip U4 is grounded through a series resistor R4 and a capacitor C4, and the VOUT ports of the mobile power supply chip U4 are connected to the D2 port of the voltage stabilizer Q3; the GATE _ C port of the mobile power chip U4 is connected to the G1 port and the G2 port of the regulator Q3; the S1 port of the voltage stabilizer Q3 is connected to the S2 port, the S1 port of the voltage stabilizer Q3 is connected with the drain electrode of the field effect transistor Q4, and the drain electrode of the field effect transistor Q4 is connected with the grid electrode of the field effect transistor Q4 through a resistor R40; the drain electrode of the field effect transistor Q4 is connected with the collector electrode of the triode Q6, the emitter electrode of the triode Q6 is grounded, and the base electrode of the triode Q6 is connected to the main control chip through the resistor R55; the source electrode of the field effect transistor Q4 is connected with the base electrode of the triode Q5 through a resistor R38, and the collector electrode of the triode Q5 is connected with the main control chip; the node between the resistor R38 and the base of the triode Q5 is grounded through the resistor R41, and the source of the field effect transistor Q4 is used as the output end of the power supply charging circuit and is connected with the wireless charging circuit.
Preferably, the wireless charging circuit comprises a power supply chip U3; the OUT port of the power chip U3 is connected with the GND port of the power chip U3 through a capacitor C43 and a capacitor C42 which are respectively connected in parallel; the GND port of the power supply chip U3 is grounded; the OUT port of the power supply chip U3 is connected with the output end of the power supply charging circuit; the COIL1 port of the power chip U3 is connected to the COIL2 port of the power chip U3 through the wireless receiving COIL L2.
Specifically, the wireless charging circuit completes interaction with external wireless discharging equipment, converts magnetic energy received from the wireless discharging equipment into electric energy, and sends the electric energy to the power supply charging circuit for charging. The power charging circuit can convert the input voltage into a voltage suitable for the battery, and the battery is charged according to the state of the battery.
Preferably, the power supply discharge circuit comprises a mobile power supply chip U5 and a voltage regulator Q7;
the SW port of the mobile power chip U5 is grounded through a series resistor R2 and a capacitor C2; the SW port of the mobile power chip U5 is connected with the positive electrode of the battery through a series inductor L4 and a resistor R46; the intermediate node of the inductor L4 and the resistor R46 is grounded through a capacitor C63; the middle node of the resistor R46 and the anode of the battery is grounded through a capacitor C62; the intermediate node of the resistor R46 and the battery anode is also grounded through a series resistor R3 and a capacitor C3; the middle node of the resistor R46 and the resistor R3 is connected with the middle node of the inductor L4 and the resistor R46 through the capacitor C55; the SW port of the mobile power chip U5 is connected with the BST end of the mobile power chip U5 through a capacitor C64;
the KEY port of the mobile power supply chip U5 is connected to the main control chip through a resistor R58;
an IRQ port, an SDA port and an SCK port of the mobile power supply chip U5 are all connected to the main control chip; the VOUT port of the mobile power supply chip U5 is grounded through a series resistor R1 and a capacitor C1, and the VOUT ports of the mobile power supply chip U5 are connected to the D2 port of the voltage stabilizer Q7; the GATE _ a port of the mobile power chip U5 is connected to the G1 port and the G2 port of the regulator Q7; the S1 port of the voltage stabilizer Q7 is connected to the S2 port, the S1 port of the voltage stabilizer Q7 is connected with the source electrode of the field effect transistor Q8, and the source electrode of the field effect transistor Q8 is connected with the grid electrode of the field effect transistor Q8 through a resistor R56; the source electrode of the field effect transistor Q8 is connected with the collector electrode of the triode Q10, the emitter electrode of the triode Q10 is grounded, and the base electrode of the triode Q10 is connected to the main control chip through the resistor R48; the drain electrode of the field effect transistor Q8 is connected with the drain electrode of the field effect transistor Q9, the drain electrode of the field effect transistor Q9 is connected with the grid electrode of the field effect transistor Q9 through a resistor R57, the grid electrode of the field effect transistor Q9 is connected with the collector electrode of the triode Q11, the emitter electrode of the triode Q11 is grounded, and the base electrode of the triode Q11 is connected to the main control chip through a resistor R49; and the source electrode of the field effect transistor Q9 is used as the output of the power supply discharge circuit and is connected with the wireless charging circuit.
Referring to fig. 8-11, wherein fig. 9-11 are enlarged views of fig. 8, the wireless discharge circuit includes a discharge management chip having a model number of CWQ 1000.
Specifically, after the wireless discharging circuit and the device to be charged interact, the wireless discharging circuit requests the power discharging circuit to discharge, and stable voltage required by the wireless charging circuit is released.
Referring to fig. 6, the model of the main control chip is HR7P 153.
Referring to fig. 7, the external trigger circuit includes a switch S1; one end of the switch S1 is grounded, and the other end is connected to the main control chip through the series resistor R68, the positive diode LED3 and the resistor R60; a node between the resistor R68 and the diode LED3 is connected to a node between the diode LED3 and the resistor R60 by the reverse connection of the diode LED 4;
the node between the resistor R68 and the diode LED3 is also connected to the main control chip through a forward diode LED5 and a series R65; a node between the resistor R68 and the diode LED3 is connected to a node between the diode LED5 and the resistor R65 by the reverse connection of the diode LED 6;
the node between resistor R68 and diode LED3 is also connected to the master control chip.
Specifically, the external trigger circuit may also indicate the charge level, displaying the current battery charge level or charge state. The bidirectional wireless charging and discharging apparatus may be triggered by a user pressing a switch S1 in an external trigger circuit, i.e., discharging when the user presses a switch S1.
Preferably, the models of the mobile power chip U4 and the mobile power chip U5 are SW 6124.
Preferably, the model of the power chip U3 is HL6201_ M.
Preferably, the voltage stabilizer is 8205 in model number.
The bidirectional wireless charging and discharging equipment is low in cost, and can realize the function of charging and discharging simultaneously through wireless transmission.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. A bidirectional wireless charging and discharging device is characterized by comprising a power supply charging circuit, a power supply discharging circuit, a wireless charging circuit, a wireless discharging circuit, an external trigger circuit and a main control chip;
the power supply charging circuit, the power supply discharging circuit, the external trigger circuit and the wireless discharging circuit are all electrically connected with the main control chip; the wireless charging circuit is respectively electrically connected with the power supply discharging circuit and the power supply charging circuit.
2. The bi-directional wireless charging and discharging device according to claim 1,
the power supply charging circuit comprises a mobile power supply chip U4 and a voltage stabilizer Q3;
the SW port of the mobile power chip U4 is grounded through a series resistor R5 and a capacitor C5; the SW port of the mobile power chip U4 is connected with the positive electrode of the battery through a series inductor L3 and a resistor R23; the intermediate node of the inductor L3 and the resistor R23 is grounded through a capacitor C48; the middle node of the resistor R23 and the anode of the battery is grounded through a capacitor C47; the intermediate node of the resistor R23 and the battery anode is also grounded through a series resistor R6 and a capacitor C6; the middle node of the resistor R23 and the resistor R6 is connected with the middle node of the inductor L3 and the resistor R23 through the capacitor C41; the SW port of the mobile power chip U4 is connected with the BST end of the mobile power chip U4 through a capacitor C49;
an SDA port and an SCK port of the mobile power supply chip U4 are connected to the main control chip; the VOUT port of the mobile power supply chip U4 is grounded through a series resistor R4 and a capacitor C4, and the VOUT ports of the mobile power supply chip U4 are connected to the D2 port of the voltage stabilizer Q3; the GATE _ C port of the mobile power chip U4 is connected to the G1 port and the G2 port of the regulator Q3; the S1 port of the voltage stabilizer Q3 is connected to the S2 port, the S1 port of the voltage stabilizer Q3 is connected with the drain electrode of the field effect transistor Q4, and the drain electrode of the field effect transistor Q4 is connected with the grid electrode of the field effect transistor Q4 through a resistor R40; the drain electrode of the field effect transistor Q4 is connected with the collector electrode of the triode Q6, the emitter electrode of the triode Q6 is grounded, and the base electrode of the triode Q6 is connected to the main control chip through the resistor R55; the source electrode of the field effect transistor Q4 is connected with the base electrode of the triode Q5 through a resistor R38, and the collector electrode of the triode Q5 is connected with the main control chip; the node between the resistor R38 and the base of the triode Q5 is grounded through the resistor R41, and the source of the field effect transistor Q4 is used as the output end of the power supply charging circuit and is connected with the wireless charging circuit.
3. The bi-directional wireless charging and discharging device according to claim 2,
the wireless charging circuit comprises a power supply chip U3; the OUT port of the power chip U3 is connected with the GND port of the power chip U3 through a capacitor C43 and a capacitor C42 which are respectively connected in parallel; the GND port of the power supply chip U3 is grounded; the OUT port of the power supply chip U3 is connected with the output end of the power supply charging circuit; the COIL1 port of the power chip U3 is connected to the COIL2 port of the power chip U3 through the wireless receiving COIL L2.
4. The bi-directional wireless charging and discharging device according to claim 3,
the power supply discharge circuit comprises a mobile power supply chip U5 and a voltage stabilizer Q7;
the SW port of the mobile power chip U5 is grounded through a series resistor R2 and a capacitor C2; the SW port of the mobile power chip U5 is connected with the positive electrode of the battery through a series inductor L4 and a resistor R46; the intermediate node of the inductor L4 and the resistor R46 is grounded through a capacitor C63; the middle node of the resistor R46 and the anode of the battery is grounded through a capacitor C62; the intermediate node of the resistor R46 and the battery anode is also grounded through a series resistor R3 and a capacitor C3; the middle node of the resistor R46 and the resistor R3 is connected with the middle node of the inductor L4 and the resistor R46 through the capacitor C55; the SW port of the mobile power chip U5 is connected with the BST end of the mobile power chip U5 through a capacitor C64;
the KEY port of the mobile power supply chip U5 is connected to the main control chip through a resistor R58;
an IRQ port, an SDA port and an SCK port of the mobile power supply chip U5 are all connected to the main control chip; the VOUT port of the mobile power supply chip U5 is grounded through a series resistor R1 and a capacitor C1, and the VOUT ports of the mobile power supply chip U5 are connected to the D2 port of the voltage stabilizer Q7; the GATE _ a port of the mobile power chip U5 is connected to the G1 port and the G2 port of the regulator Q7; the S1 port of the voltage stabilizer Q7 is connected to the S2 port, the S1 port of the voltage stabilizer Q7 is connected with the source electrode of the field effect transistor Q8, and the source electrode of the field effect transistor Q8 is connected with the grid electrode of the field effect transistor Q8 through a resistor R56; the source electrode of the field effect transistor Q8 is connected with the collector electrode of the triode Q10, the emitter electrode of the triode Q10 is grounded, and the base electrode of the triode Q10 is connected to the main control chip through the resistor R48; the drain electrode of the field effect transistor Q8 is connected with the drain electrode of the field effect transistor Q9, the drain electrode of the field effect transistor Q9 is connected with the grid electrode of the field effect transistor Q9 through a resistor R57, the grid electrode of the field effect transistor Q9 is connected with the collector electrode of the triode Q11, the emitter electrode of the triode Q11 is grounded, and the base electrode of the triode Q11 is connected to the main control chip through a resistor R49; and the source electrode of the field effect transistor Q9 is used as the output of the power supply discharge circuit and is connected with the wireless charging circuit.
5. The bi-directional wireless charging and discharging device according to claim 4,
the wireless discharge circuit comprises a discharge management chip, and the model of the discharge management chip is CWQ 1000.
6. The bidirectional wireless charging and discharging device according to any one of claims 1 to 5,
the model of the main control chip is HR7P 153.
7. The bidirectional wireless charging and discharging device according to any one of claims 1 to 5,
the external trigger circuit includes a switch S1; one end of the switch S1 is grounded, and the other end is connected to the main control chip through the series resistor R68, the positive diode LED3 and the resistor R60; a node between the resistor R68 and the diode LED3 is connected to a node between the diode LED3 and the resistor R60 by the reverse connection of the diode LED 4;
the node between the resistor R68 and the diode LED3 is also connected to the main control chip through a forward diode LED5 and a series R65; a node between the resistor R68 and the diode LED3 is connected to a node between the diode LED5 and the resistor R65 by the reverse connection of the diode LED 6;
the node between resistor R68 and diode LED3 is also connected to the master control chip.
8. The bi-directional wireless charging and discharging device according to claim 4,
the models of the mobile power supply chip U4 and the mobile power supply chip U5 are SW 6124.
9. The bi-directional wireless charging and discharging device according to claim 4,
the model of the power supply chip U3 is HL6201_ M.
10. The bi-directional wireless charging and discharging device according to claim 4,
the model of the voltage stabilizer is 8205.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921034851.2U CN209844614U (en) | 2019-07-04 | 2019-07-04 | Bidirectional wireless charging and discharging equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921034851.2U CN209844614U (en) | 2019-07-04 | 2019-07-04 | Bidirectional wireless charging and discharging equipment |
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| CN209844614U true CN209844614U (en) | 2019-12-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110198070A (en) * | 2019-07-04 | 2019-09-03 | 深圳致晟文化创新有限公司 | Double-direction radio charging/discharging apparatus |
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- 2019-07-04 CN CN201921034851.2U patent/CN209844614U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110198070A (en) * | 2019-07-04 | 2019-09-03 | 深圳致晟文化创新有限公司 | Double-direction radio charging/discharging apparatus |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 |