Portable wireless charger with folding leather sheath
By designing a portable wireless charging treasure with folding leather case, the problem of the existing wireless charging treasure is solved, the problem of single function, inability to disassemble and angle adjustment is achieved, multi-functional wireless charging of mobile phones, watches and headphone compartments is improved, and the equipment is improved Portability and practicality.
Patent Information
- Application Number
- CN202420527813.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-19
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-03-19
AI Technical Summary
The existing wireless power banks cannot be removed and used separately, multi-tilt angle adjustment cannot be achieved, and the functions are single, so they cannot charge watches or wireless headphones.
Designed a portable wireless charging bag with folding leather case, built-in detachable wireless charging bag and folding leather case, including an adjustable folding board and a multi-function wireless charging board, supporting wireless for mobile phones, watches and headphone compartments Charge.
It realizes the versatility of a wireless power bank, supports wireless charging of mobile phones, watches and headphone compartments, and can be disassembled and used. The folding board can adjust the angle, improving practicality and portability.
Smart Images

Figure CN222464247U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wireless mobile power supplies, in particular to a portable wireless charger with a foldable leather case. Background Art
[0002] As a commonly used charging device, the usage rate of power banks is gradually increasing. Therefore, in order to facilitate carrying, there is a patent number of 202123160088.8, and the patent name is a wallet-type power bank, which includes a power bank main body, a charging plate is installed inside the power bank main body, a wireless charging transmitter is installed inside the charging plate, a mounting plate is installed on the outside of the charging plate, a mobile phone holder is slidably connected to the inside of the mounting plate, and the mobile phone holder includes a skateboard and a limit ring, a skateboard is slidably connected to the inside of the mounting plate, a mounting block is installed inside the skateboard, and the inside of the skateboard and located on one side of the mounting block are rotatably connected to the limit ring, and three equally spaced magnets are installed inside the power bank main body. The structure is provided with a wallet The main body, charging plate, mounting plate and wireless charging transmitter are used. When the mobile phone needs to be used while charging, the mounting plate and the charging plate are installed, and the mobile phone is placed on the surface of the mounting plate for easy application of the mobile phone. The indicator light prompts the charging, and the mobile phone holder is moved up and down. When it is moved to the wireless charging transmitter, wireless charging is realized, and it is convenient to switch between wired and wireless when in use. A mobile phone holder is provided, and the mobile phone holder can be taken out and used separately according to the needs of use, which improves other needs during charging. The overall structure is simple and easy to carry, which meets the needs of use. By providing a compartment, it is convenient to place other items, and by installing a magnet, it is convenient to have suction when folded. However, the structure still has the following problems:
[0003] 1. This structure can only charge mobile phones with wireless charging function, but cannot charge watches or wireless earphone compartments (because the charging currents of mobile phones, watches and wireless charging compartments with wireless charging function are different), resulting in a single function;
[0004] 2. The angle of the charging plate cannot be adjusted, so the mobile phone can only be placed horizontally when charging in this structure, resulting in poor practicality; it is impossible to achieve multiple tilt angle adjustment;
[0005] 3. The wireless power bank cannot be disassembled for use;
[0006] In summary, the wireless power bank with this structure has the problems of being unable to be disassembled and used separately, being unable to achieve multiple tilt angle adjustment, and having a single function, which need to be improved. Utility Model Content
[0007] In view of the above problems existing in the prior art, the technical problem to be solved by the utility model is that the existing wireless power bank cannot be disassembled and used separately, cannot achieve multi-tilt angle adjustment of the wireless power bank and has a single function.
[0008] The utility model discloses a portable wireless charger with a folding leather case, comprising a wireless charger, a folding leather case and a folding plate, wherein a mobile phone wireless transmitting charging circuit for charging a mobile phone is arranged inside the wireless charger, two limiting grooves are arranged on the inner side of the folding leather case, one end of the folding plate is hinged with the folding leather case, and the other end of the folding plate is clamped in any one of the limiting grooves after the folding plate is folded into a triangle to realize the tilt angle of the folding plate, a card seat is arranged on the folding plate, the card seat is close to one end of the folding plate and the folding leather case being hinged, the wireless charger is detachably plugged into the card seat, a wireless charging plate is arranged on the left side of the inner side of the folding leather case, and a 3W power watch wireless charging circuit for charging a watch and a 5W power Bluetooth headset wireless charging circuit for charging an earphone compartment are installed inside the wireless charging plate Circuit, a type-c power input port electrically connected to a 3W power watch wireless charging circuit and a 5W power Bluetooth headset wireless charging circuit is provided on the side of the wireless charging plate, two PIN pins are also provided on the inner side of the foldable leather case, a PIN pin jack capable of being plugged with the PIN pins when the foldable plate is laid flat is provided at the bottom of the wireless power bank, the two PIN pins are electrically connected to the wireless charging plate through a soft flat cable to achieve that when the wireless charging plate is charged, the wireless power bank can be charged at the same time, a type-c interface as an input / output port of the power bank is provided on the side of the wireless power bank, an iron sheet 2 is provided inside the left side of the foldable leather case, a magnet 2 cooperating with the iron sheet 2 is provided inside the right side of the foldable leather case, and when the foldable leather case is folded, the wireless power bank and the wireless charging plate are placed overlapping each other.
[0009] Preferably, in order to facilitate the insertion of the PIN needle, an avoidance through hole is provided in the card holder to facilitate the PIN needle to be inserted into the PIN pin socket after passing through.
[0010] Preferably, the entire circuit is made more stable. The 5W power Bluetooth headset wireless charging circuit includes a wireless charging transmitter chip U1 with model IP6805S, a wireless charging line induction coil 1, a branch circuit 1 composed of four capacitors in parallel, an NTC temperature detection unit and a unidirectional conduction circuit. The wireless charging line induction coil 1 is located below the headset charging area on the wireless charging plate, one end of the branch circuit 1 is connected to one end of the wireless charging line induction coil 1, and the other end of the branch circuit 1 is connected to pin 3 of the wireless charging transmitter chip U1. The other end of the wireless charging line induction coil 1 is connected to pin 2 of the wireless charging transmitter chip U1, and the power supply end of the branch circuit 1 connected to the wireless charging line induction coil 1 and pin 1 of the wireless charging transmitter chip U1 are connected with the unidirectional conduction circuit, and the NTC temperature detection unit is connected to pin 8 of the wireless charging transmitter chip U1.
[0011] Preferably, in order to make the entire circuit more stable, the 3W power watch wireless charging circuit includes a wireless charging transmitter control chip U2 with model IP6822, an H-bridge circuit and a peripheral circuit. A circular groove is provided on the wireless charging plate, and a disc is hinged in the circular groove. The H-bridge circuit is provided with a wireless charging line induction coil 2 located in the disc. The wireless charging line induction coil 2 is located directly below the watch charging area on the surface of the disc. The H-bridge circuit and the peripheral circuit are electrically connected to the wireless charging transmitter control chip U2.
[0012] Preferably, in order to support the wireless charging function of fast charging input and reduce product costs at the same time, the type-c interface can be used as both an input and an output function. The mobile phone wireless transmission charging circuit includes a wireless charging management circuit, a synchronous buck charging control circuit, a wireless transmission circuit, a lithium battery charging protection circuit, and a mobile phone detection trigger circuit for detecting whether a mobile phone is inserted. The wireless charging management circuit includes an MCU wireless charging management chip U5 with model ZXW9025 and peripheral circuits, the synchronous buck charging control circuit includes a synchronous buck charging control chip U4 with model SC8933 and peripheral circuits, and the wireless transmission circuit includes a wireless transmission chip U3 with model ZX8805 and peripheral circuits.
[0013] Preferably, the lithium battery charging protection circuit includes two lithium protection chips U6 and a 5000mAh lithium battery, and the mobile phone detection trigger circuit includes a single-channel touch chip U8 and a peripheral circuit.
[0014] Preferably, in order to avoid fixing the flat folding plate, an iron sheet is arranged inside the right side of the foldable leather case, and a magnet cooperating with the iron sheet is arranged inside the folding plate.
[0015] The advantages of the portable wireless charger with a foldable leather case obtained by the utility model are:
[0016] 1. The wireless charging plate and wireless power bank are fixed on the foldable leather case, which can be folded / unfolded, easy to use and carry;
[0017] 2. Use the flexible cable to lead the power supply of the wireless charging board input end to the PIN pin at the bottom of the wireless power bank, so as to realize the simultaneous charging function of the wireless charging board and the wireless power bank;
[0018] 3. The folding plate at the bottom of the wireless power bank can be shaken up and supported in the limit groove of the folding leather case at two angles to support the mobile phone, or the wireless power bank can be placed in the card holder, the folding plate can be folded up, and the folding plate can be laid flat, so that the PIN pin jack at the bottom of the wireless power bank can contact the PIN pin on the folding leather case to charge the wireless power bank;
[0019] 4. Moreover, the foldable leather case is embedded with iron sheets and magnets, which can achieve the design effect of magnetic attraction and fit in various modes. Therefore, this structure can not only realize wireless or wired charging of mobile phones, but also wireless charging of watches and earphone compartments, ultimately achieving a multi-functional effect, and realizing the multi-tilt angle adjustment mode of the wireless power bank;
[0020] 5. The wireless power bank can also be removed from the foldable leather case and used directly as a mobile power source. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic diagram of the overall structure of a portable wireless charger with a foldable leather case in Embodiment 1;
[0022] Figure 2 This is a schematic diagram of the structure of a portable wireless power bank with a foldable leather case in Embodiment 1 when the wireless power bank is turned over and stood upright;
[0023] Figure 3 This is a schematic structural diagram of a portable wireless charger with a foldable leather case in Embodiment 1 when the foldable leather case is folded into a wallet shape;
[0024] Figure 4 This is a schematic diagram of the structure of a portable wireless charger with a foldable leather case in this embodiment 1 when the folding plate is turned over and erected and no wireless charger is installed. Figure 1 ;
[0025] Figure 5 This is a schematic diagram of the structure of a portable wireless charger with a foldable leather case in this embodiment 1 when the folding plate is turned over and erected and no wireless charger is installed. Figure 2 ;
[0026] Figure 6 This is a schematic diagram of the structure of a portable wireless charger with a foldable leather case in this embodiment 1 when the folding plate is turned over and erected and no wireless charger is installed. Figure 2 ;
[0027] Figure 7 This is a schematic diagram of the inner side structure of the foldable leather case in Embodiment 1;
[0028] Figure 8 This is a schematic diagram of the outer side structure of the foldable leather case in Embodiment 1;
[0029] Fig. 9 This is a schematic diagram of the back structure of the folding plate when it is unfolded in this embodiment 1;
[0030] Fig.10 This is a schematic diagram of the back structure of the wireless power bank in this embodiment 1;
[0031] Fig.11 This is a circuit connection schematic diagram of the Type-C power input port in this embodiment 1;
[0032] Fig.12 This is a circuit connection schematic diagram of a 3W power watch wireless charging circuit in this embodiment 1;
[0033] Fig.13 This is a circuit connection schematic diagram of a 5W power Bluetooth headset wireless charging circuit in this embodiment 1;
[0034] Fig.14 is a circuit connection schematic diagram of the wireless charging management circuit in this embodiment 1;
[0035] Fig.15 Schematic diagram of the circuit connection of the synchronous buck charging control circuit in Embodiment 1;
[0036] Fig.16 is a circuit connection principle diagram of the wireless transmitting circuit in this embodiment 1;
[0037] Fig.17 This is a circuit connection schematic diagram of the lithium battery charging protection circuit in this embodiment 1;
[0038] Fig.18 This is a circuit connection principle diagram of the mobile phone detection trigger circuit in this embodiment 1;
[0039] Fig.19 This is a circuit connection schematic diagram of the mobile phone wireless transmission charging circuit in this embodiment 1.
[0040] In the reference numerals:
[0041] Wireless power bank 1, mobile phone charging area 1-1, touch sensing area 1-2, foldable leather case 2, mobile phone wireless transmission charging circuit 3, folding plate 4, limit groove 5, card holder 6, wireless charging plate 7, earphone charging area 7-1, 3W power watch wireless charging circuit 8, H bridge circuit 8-1, circular groove 8-2, disc 8-3, watch charging area 8-31, wireless charging line induction coil 2 8-4, 5W power Bluetooth headset wireless charging circuit 9, wireless charging line induction coil 1 9-1, branch circuit 1 9-2 , NTC temperature detection unit 9-3, unidirectional conduction circuit 9-4, type-c power input port 10, PIN pin 11, PIN pin jack 12, type-c interface 13, iron sheet 2 14, magnet 2 15, avoidance through hole 16, wireless charging management circuit 3-1, synchronous buck charging control circuit 3-2, wireless transmission circuit 3-3, lithium battery charging protection circuit 3-4, mobile phone detection trigger circuit 3-5, lithium battery 3-41, iron sheet 2-1, magnet 2-2, soft cable 17. DETAILED DESCRIPTION
[0042] The utility model is described in further detail below.
[0043] Embodiment 1:
[0044] like Figure 1-19As shown, the present embodiment discloses a portable wireless charger with a foldable leather case, comprising a wireless charger 1, a foldable leather case 2 and a foldable plate 4, a mobile phone wireless transmitting charging circuit 3 for charging a mobile phone is arranged inside the wireless charger 1, two limiting grooves 5 are arranged on the inner side of the foldable leather case 2, one end of the foldable plate 4 is hinged to the foldable leather case 2, and the other end of the foldable plate 4 is clamped in any one of the limiting grooves 5 after being folded into a triangle to realize the inclination angle of the foldable plate 4, a card seat 6 is arranged on the foldable plate 4, the card seat 6 is close to the end of the foldable plate 4 hinged to the foldable leather case 2, the wireless charger 1 is detachably plugged into the card seat 6, a wireless charging plate 7 is arranged on the left side of the inner side of the foldable leather case 2, a 3W power watch wireless charging circuit 8 for charging a watch and a 5W power Bluetooth headset wireless charging circuit 9 for charging an earphone compartment are installed inside the wireless charging plate 7, and the side of the wireless charging plate 7 is provided with a 3W power watch wireless charging circuit 8 and a 5W power Bluetooth headset wireless charging circuit 9 for charging an earphone compartment, and the side of the wireless charging plate 7 is provided with a 3W power watch wireless charging circuit 8 and a 5W power Bluetooth headset wireless charging circuit 9. A type-c power input port 10 is electrically connected to the wireless charging circuit 9 of the power Bluetooth headset, and two PIN pins 11 are also arranged on the inner side of the foldable leather case 2. A PIN pin jack 12 which can be plugged into the PIN pin 11 when the folding plate 4 is laid flat is arranged at the bottom of the wireless power bank 1. The two PIN pins 11 are electrically connected to the wireless charging plate 7 through a soft flat cable 17 to achieve that when the wireless charging plate 7 is charged, the wireless power bank 1 can be charged at the same time. A type-c interface 13 as an input / output port of the power bank is arranged on the side of the wireless power bank 1, an iron sheet 2 14 is arranged on the left side of the foldable leather case 2, and a magnet 2 15 cooperating with the iron sheet 2 14 is arranged inside the right side of the foldable leather case 2. When the foldable leather case 2 is folded, the wireless power bank 1 is preferably overlapped with the wireless charging plate 7. In order to facilitate the insertion of the PIN pin 11, an avoidance through hole 16 is arranged in the card holder 6 so that the PIN pin 11 can be plugged into the PIN pin jack 12 after passing through.
[0045] As a preferred method, the entire circuit is more stable. The 5W power Bluetooth headset wireless charging circuit 9 includes a wireless charging transmitter chip U1 with a model number of IP6805S, a wireless charging line induction coil 9-1, a branch circuit 9-2 composed of four capacitors in parallel, an NTC temperature detection unit 9-3 and a unidirectional conduction circuit 9-4. The wireless charging line induction coil 9-1 is located below the headset charging area 7-1 on the wireless charging plate 7. One end of the branch circuit 9-2 is connected to one end of the wireless charging line induction coil 9-1, and the other end of the branch circuit 9-2 is connected to pin 3 of the wireless charging transmitter chip U1. The other end of the wireless charging line induction coil 9-1 is connected to the 2nd pin of the wireless charging transmitter chip U1, and the power supply end connected to the branch circuit 9-2 and the wireless charging line induction coil 9-1 is connected to the 1st pin of the wireless charging transmitter chip U1 with the unidirectional conduction circuit 9-4, and the NTC temperature detection unit 9-3 is connected to the 8th pin of the wireless charging transmitter chip U1. When the structure is working, the Bluetooth headset compartment with wireless charging function is placed above the headset charging area 7-1, and the wireless charging line induction coil 9-1 obtains the signal and sends the signal to the Bluetooth headset compartment above, and then wirelessly charges the Bluetooth headset compartment. The wireless power bank 1 is located on the right side of the wireless charging plate 7.
[0046] As a preferred method, the entire circuit is made more stable. The 3W power watch wireless charging circuit 8 includes a wireless charging transmitter control chip U2 of model IP6822, an H-bridge circuit 8-1 and a peripheral circuit. A circular groove 8-2 is provided on the wireless charging plate 7, and a disc 8-3 is hinged in the circular groove 8-2. The H-bridge circuit 8-1 is provided with a wireless charging line induction coil 8-4 located in the disc 8-3. The wireless charging line induction coil 8-4 is located directly below the watch charging area 8-31 on the surface of the disc 8-3. The H-bridge circuit 8-1 and the peripheral circuit are electrically connected to the wireless charging transmitter control chip U2. When the structure is working, a watch with wireless charging function is placed above the watch charging area 8-31, and then the wireless charging line induction coil 2 8-4 obtains the signal to wirelessly charge the watch above, and the disc 8-3 can be turned over to charge the watch; in order to support the wireless charging function of fast charging input and reduce product costs at the same time, the type-c interface 13 can be used as both input and output functions, and the mobile phone wireless transmission charging circuit 3 includes a wireless charging management circuit 3-1, a synchronous buck charging control circuit 3-2, a wireless transmission circuit 3-3, a lithium battery charging protection circuit 3-4 and a user The mobile phone detection trigger circuit 3-5 is used to detect whether a mobile phone is inserted, the wireless charging management circuit 3-1 includes an MCU wireless charging management chip U5 of model ZXW9025 and peripheral circuits, the synchronous buck charging control circuit 3-2 includes a synchronous buck charging control chip U4 of model SC8933 and peripheral circuits, the wireless transmitting circuit 3-3 includes a wireless transmitting chip U3 of model ZX8805 and peripheral circuits, and the synchronous buck charging control circuit 3-2 is electrically connected to the lithium battery charging protection circuit 3-4 to detect whether the charging in the lithium battery charging protection circuit 3-4 is normal, and the synchronous buck charging control circuit 3-2 includes a synchronous buck charging control chip U4 of model SC8933 and peripheral circuits, and the wireless transmitting circuit 3-3 includes a wireless transmitting chip U3 of model ZX8805 and peripheral circuits, and the synchronous buck charging control circuit 3-2 is electrically connected to the lithium battery charging protection circuit 3-4 to detect whether the charging in the lithium battery charging protection circuit 3-4 is normal. The step-down charging control circuit 3-2 is also electrically connected to the wireless charging management circuit 3-1, and the wireless charging management circuit 3-1 is electrically connected to the wireless transmitting circuit 3-3 to form a wireless control part for charging the mobile phone, and the wireless charging management circuit 3-1 is electrically connected to the mobile phone detection trigger circuit 3-5, which is used to detect that after the mobile phone is placed on it, the wireless power bank 1 automatically turns on the wireless charging function to realize the charging function of the mobile phone; the lithium battery charging protection circuit 3-4 includes two lithium protection chips U6 and a 5000mAh lithium battery 3-41, and the mobile phone detection trigger circuit 3-5 includes a single-channel touch chip U8 and peripheral circuits.It should be noted in this application that the specific peripheral circuits of the mobile phone wireless transmission charging circuit 3, 3W power watch wireless charging circuit 8, H-bridge circuit 8-1, 5W power Bluetooth headset wireless charging circuit 9, NTC temperature detection unit 9-3, unidirectional conduction circuit 9-4, wireless charging management circuit 3-1, synchronous buck charging control circuit 3-2, wireless transmission circuit 3-3, lithium battery charging protection circuit 3-4, mobile phone detection trigger circuit 3-5, lithium battery 3-41 and the connection relationship of the circuit components belong to the conventional technology in this field, so they are not described in detail.
[0047] Preferably, in order to avoid fixing the flat folding plate, an iron sheet 2-1 is arranged on the right side of the foldable leather case 2, a magnet 2-2 cooperating with the iron sheet 2-1 is arranged in the folding plate 4, a mobile phone charging area 1-1 and a touch sensing area 1-2 of a single-channel touch chip U8 are arranged on the surface of the wireless power bank 1, and through the above-mentioned structural arrangement, when the folding plate 4 is laid flat, the magnet 2-2 is used to cooperate with the iron sheet 2-1 to fix the flat folding plate 4.
[0048] This structure has the following usage scenarios:
[0049] Scenario 1: Power the type-c power input port 10 of the left wireless charging plate 7 through the adapter. At this time, the power supply is divided into 3 channels. The first channel powers the 3W power watch wireless charging channel 8 on the left, the second channel powers the 5W power Bluetooth headset wireless charging channel 9 on the left, and the third channel powers the two PIN pins 11 at the bottom of the right wireless power bank 1 through the soft cable 17. At this time, the earphone compartment / watch / wireless power bank 1 is charged simultaneously (when the wireless power bank 1 is charged through the PIN pin 11, the folding plate 4 needs to be laid flat to ensure that the PIN pin jack 12 and the PIN pin 11 at the bottom of the wireless power bank 1 are plugged together);
[0050] Scenario 2: Based on Scenario 1, place the mobile phone on the wireless power bank 1 for magnetic attraction. When the wireless power bank 1 senses that the mobile phone is close to it, it will automatically start wireless charging to charge the mobile phone. At this time, the earphone compartment / watch / wireless power bank 1 / mobile phone can be charged at the same time.
[0051] Scenario 3: Based on Scenario 2, the folding plate 4 is flipped up and the folding plate 4 at the back is propped up. At this time, the earphone compartment and the watch are charged at the same time, and the wireless charger of the wireless power bank 1 charges the mobile phone independently, and the mobile phone is stood up at a certain angle, with 2 adjustable angles;
[0052] Scenario 4: Connect the type-c power input port 10 to the type-c interface 13 of the wireless power bank 1. At this time, the wireless power bank 1 supplies power to the wireless charging plate 7, and the watch and earphone compartment on the left can be wirelessly charged. Finally, when you go out, you don’t need to carry an adapter or find a charging plug board to wirelessly charge the watch and earphone compartment.
[0053] Therefore, this structure has the following technical advantages:
[0054] 1. The wireless charging plate 7 and the wireless power bank 1 are fixed on the foldable leather case 2, which can be folded / unfolded, making them easy to use and carry;
[0055] 2. Use the flexible flat cable 17 to lead the power supply of the input end of the wireless charging plate 7 to the PIN pin at the bottom of the wireless power bank 1, so as to realize the simultaneous charging function of the wireless charging plate 7 and the wireless power bank 1;
[0056] 3. The folding plate 4 at the bottom of the wireless power bank 1 can be shaken up and supported on the limiting groove 5 of the folding leather case 2 at two angles, so as to support the mobile phone, or the wireless power bank 1 can be placed in the card holder 6, the folding plate 4 is folded, and the folding plate 4 is laid down flat, so that the PIN pin jack 12 at the bottom of the wireless power bank 1 and the PIN pin 11 on the folding leather case 2 are in contact, so as to charge the wireless power bank 1;
[0057] 4. Moreover, the foldable leather case 2 has an iron sheet and a magnet embedded inside, which can achieve a magnetic attraction design effect in various modes. Therefore, this structure can not only realize wireless or wired charging of mobile phones, but also wireless charging of watches and earphone compartments, ultimately achieving a multi-functional effect, and realizing a multi-angle adjustment mode of the wireless power bank;
[0058] 5. Furthermore, the wireless power bank 1 can be removed from the foldable leather case 2 and used directly as a mobile power source.
[0059] Finally, it should be noted that the above implementation cases are only used to illustrate the technical solution of the utility model and are not limiting. Ordinary technicians in this field can change and expand it in form or detail through understanding of the utility model without departing from the spirit and scope of the utility model defined by the attached claims.
Claims
1. A portable wireless charger with a foldable leather case, comprising a wireless charger (1) and a foldable leather case (2), wherein a mobile phone wireless transmission charging circuit (3) for charging a mobile phone is arranged inside the wireless charger (1), characterized in that: The invention also comprises a folding plate (4), two limiting grooves (5) are arranged on the inner side of the folding leather case (2), one end of the folding plate (4) is hinged to the folding leather case (2), and the other end of the folding plate (4) is clamped in any limiting groove (5) after being folded into a triangle to realize the tilt angle of the folding plate (4), a card seat (6) is arranged on the folding plate (4), and the card seat (6) is close to the end of the folding plate (4) hinged to the folding leather case (2), and the wireless power bank (1) is detachably plugged into the card seat (6), and a wireless charging plate (7) is arranged on the left side of the inner side of the folding leather case (2), and a 3W power watch wireless charging circuit (8) for charging a watch and a 5W power Bluetooth headset wireless charging circuit (9) for charging an earphone compartment are installed inside the wireless charging plate (7), and the side of the wireless charging plate (7) is provided with a 3W power watch wireless charging circuit (8) and a 5W power Bluetooth headset wireless charging circuit (9) for charging an earphone compartment. The foldable leather case (2) is provided with a type-c power input port (10) electrically connected to the wireless charging circuit (9), two PIN pins (11) are also provided on the inner side of the foldable leather case (2), a PIN pin jack (12) capable of being plugged into the PIN pins (11) when the foldable plate (4) is laid flat is provided at the bottom of the wireless power bank (1), the two PIN pins (11) are electrically connected to the wireless charging plate (7) through a flexible flat cable (17) so that when the wireless charging plate (7) is charged, the wireless power bank (1) can be charged at the same time, a type-c interface (13) as a power bank input / output port is provided on the side of the wireless power bank (1), an iron sheet (14) is provided inside the left side of the foldable leather case (2), a magnet (15) cooperating with the iron sheet (14) is provided inside the right side of the foldable leather case (2), and when the foldable leather case (2) is folded, the wireless power bank (1) and the wireless charging plate (7) are placed overlapping each other.
2. A portable wireless charger with a foldable leather case according to claim 1, characterized in that: A relief through hole (16) is provided in the card seat (6) to facilitate the PIN needle (11) to be inserted into the PIN pin socket (12) after passing through.
3. A portable wireless charger with a foldable leather case according to claim 1, characterized in that: The 5W power Bluetooth headset wireless charging circuit (9) comprises a wireless charging transmitter chip U1 of model IP6805S, a wireless charging line induction coil (9-1), a branch circuit (9-2) composed of four capacitors connected in parallel, an NTC temperature detection unit (9-3) and a unidirectional conduction circuit (9-4), wherein the wireless charging line induction coil (9-1) is located below the headset charging area (7-1) on the wireless charging plate (7), and one end of the branch circuit (9-2) is connected to the wireless charging line induction coil (9-1). -1), the other end of the branch circuit 1 (9-2) is connected to pin 3 of the wireless charging transmitter chip U1, the other end of the wireless charging line induction coil 1 (9-1) is connected to pin 2 of the wireless charging transmitter chip U1, and the unidirectional conduction circuit (9-4) is connected between the power supply end where the branch circuit 1 (9-2) is connected to the wireless charging line induction coil 1 (9-1) and pin 1 of the wireless charging transmitter chip U1, and the NTC temperature detection unit (9-3) is connected to pin 8 of the wireless charging transmitter chip U1.
4. A portable wireless charger with a foldable leather case according to claim 3, characterized in that: The 3W power watch wireless charging circuit (8) comprises a wireless charging transmission control chip U2 of model IP6822, an H-bridge circuit (8-1) and a peripheral circuit. A circular groove (8-2) is provided on the wireless charging plate (7), a disc (8-3) is hinged in the circular groove (8-2), a wireless charging line induction coil 2 (8-4) located in the disc (8-3) is provided in the H-bridge circuit (8-1), and the wireless charging line induction coil 2 (8-4) is located directly below the watch charging area (8-31) on the surface of the disc (8-3). The H-bridge circuit (8-1) and the peripheral circuit are electrically connected to the wireless charging transmission control chip U2.
5. A portable wireless charger with a foldable leather case according to claim 1, 2, 3 or 4, characterized in that: The mobile phone wireless transmission charging circuit (3) comprises a wireless charging management circuit (3-1), a synchronous buck charging control circuit (3-2), a wireless transmission circuit (3-3), a lithium battery (3-41) charging protection circuit (3-4) and a mobile phone detection trigger circuit (3-5) for detecting whether a mobile phone is inserted. The wireless charging management circuit (3-1) comprises an MCU wireless charging management chip U5 of model ZXW9025 and peripheral circuits, the synchronous buck charging control circuit (3-2) comprises a synchronous buck charging control chip U4 of model SC8933 and peripheral circuits, and the wireless transmission circuit (3-3) comprises a wireless transmission chip U3 of model ZX8805 and peripheral circuits.
6. A portable wireless charger with a foldable leather case according to claim 5, characterized in that: The lithium battery (3-41) charging protection circuit (3-4) includes two lithium protection chips U6 and a 5000mAh lithium battery (3-41), and the mobile phone detection trigger circuit (3-5) includes a single-channel touch chip U8 and a peripheral circuit.
7. A portable wireless charger with a foldable leather case according to claim 1 or 2 or 3 or 4 or 6, characterized in that: An iron sheet (2-1) is arranged inside the right side of the foldable leather case (2), and a magnet (2-2) cooperating with the iron sheet (2-1) is arranged inside the foldable plate (4).
Citation Information
Patent Citations
Wallet type power bank
CN216489857U