CN210111664U - Mobile charging device - Google Patents
Mobile charging device Download PDFInfo
- Publication number
- CN210111664U CN210111664U CN201921321945.8U CN201921321945U CN210111664U CN 210111664 U CN210111664 U CN 210111664U CN 201921321945 U CN201921321945 U CN 201921321945U CN 210111664 U CN210111664 U CN 210111664U
- Authority
- CN
- China
- Prior art keywords
- module
- capacitor
- charging
- resistor
- chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- 239000003990 capacitor Substances 0.000 claims description 90
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 108010085505 PAL-12 Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a mobile charging device, which comprises a shell, wherein a plurality of charging grooves arranged side by side are arranged in the shell and used for charging a charging treasure, the charging grooves are electrically connected with a circuit assembly, and the circuit assembly comprises a control module, and a power supply module, a 4G module, a detection module, a driving module and a switching charging module which are electrically connected with the control module; the detection module is used for detecting the insertion of the charging treasure, the switching charging module is used for switching a serial port of the charging treasure and charging the charging treasure, the 4G module is used for communication, and when the 4G module receives a lease instruction, the driving module drives the pushing-out of the charging treasure. A plurality of charging grooves that set up side by side can carry out a plurality of treasureds that charge simultaneously to satisfy a plurality of handheld mobile terminal demand of charging. The mobile charging device is suitable for charging in field operation, has good protection performance and short charging time, and can charge a plurality of devices simultaneously.
Description
Technical Field
The utility model relates to a remove charging case technical field, more specifically say and indicate a remove charging device.
Background
In order to meet the mobile setting market demands under all-weather various severe environments, the charging device is mainly used for communication public places such as field exploration, investigation, vehicle-mounted, ship-borne, airport maintenance, single-soldier outdoor and field command centers, and the charging device capable of meeting the charging demands of a plurality of handheld mobile terminals at the same time is urgently needed to be developed.
Disclosure of Invention
An object of the utility model is to overcome the defect that prior art exists, provide a remove charging device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a mobile charging device comprises a shell, wherein a plurality of charging grooves which are arranged side by side are formed in the shell and used for charging a charger, the charging grooves are electrically connected with a circuit assembly, and the circuit assembly comprises a control module, a power supply module, a 4G module, a detection module, a driving module and a switching charging module, wherein the power supply module, the 4G module, the detection module, the driving module and the switching charging module are electrically connected with the control module;
the detection module is used for detecting the insertion of the charging treasure, the switching charging module is used for switching a serial port of the charging treasure and charging the charging treasure, the 4G module is used for communication, and when the 4G module receives a lease instruction, the driving module drives the pushing-out of the charging treasure.
The further technical scheme is as follows: the power supply module comprises a battery pack, and a 4V conversion unit, a 3.3V conversion unit and a 5V conversion unit which are electrically connected with the battery pack, wherein the 4V conversion unit is connected with a 4G module, the 3.3V conversion unit is connected with a control module, and the 5V conversion unit is connected with a switching charging module.
The further technical scheme is as follows: the mobile charging device comprises a voice module, wherein the voice module is electrically connected with the control module and used for receiving a command sent by the control module to play related voice.
The further technical scheme is as follows: the mobile charging device further comprises an external reset unit and an external lamp panel which are electrically connected with the control module.
The further technical scheme is as follows: the control module is a single chip microcomputer, and the specific model of the single chip microcomputer is STC8F2K32S 2.
The further technical scheme is as follows: the detection module comprises a shift register and a detection switch electrically connected with the shift register, the shift register is an eight-bit-in-serial-out shift register, and the specific model of the eight-bit-in-serial-out shift register is 74HC 165.
The further technical scheme is as follows: the 4V conversion unit comprises a chip U3, an interface J1, a MOS transistor Q1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a diode D1, a capacitor CE1, a capacitor CE2, a capacitor CE5, a capacitor C6, an inductor L3 and an inductor FB1, wherein a pin 1 of the interface J1 is connected with an IN port of the chip U3, a pin 2 of the interface J1 is connected with a drain electrode of the MOS transistor, a source electrode of the MOS transistor is grounded, a first end of the resistor R3 is connected with a control electrode of the MOS transistor, and a second end of the resistor R3 is connected with a power output end of a battery pack power supply; a first end of the resistor R4 is connected with a first end of the resistor R3, and a second end of the resistor R4 is grounded; the first end of the capacitor CE5 is connected with the No. 1 pin of the interface J1, and the second end of the capacitor CE5 is grounded; the anode of the diode D1 is grounded, and the cathode of the diode D1 is connected with the LX port of the chip U3; the first end of the inductor L3 is connected with the cathode of the diode D1, and the second end of the inductor L3 is connected with the 4V power output end; a first end of the resistor R1 is connected with the FB port of the chip U3, and a second end of the resistor R1 is connected with a second end of the inductor L3; a first end of the capacitor C6 is connected with a first end of the resistor R1, and a second end of the capacitor C6 is connected with a second end of the resistor R1; the first end of the resistor R2 is connected with the first end of the resistor R1, and the second end of the resistor R2 is grounded; the first end of the capacitor CE1 is connected with the second end of the inductor L3, and the second end of the capacitor CE1 is grounded; a first end of the inductor FB1 is connected to a first end of the capacitor CE1, a second end of the inductor FB1 is connected to a power supply terminal of the 4G module, a first end of the capacitor CE2 is connected to a second end of the inductor FB1, and a second end of the capacitor CE2 is grounded.
The further technical scheme is as follows: the 5V conversion unit comprises a chip U2, a diode D2, a capacitor CE3, a capacitor C3, a capacitor C1, a capacitor C5, a capacitor CE6 and an inductor L1, wherein a first end of the capacitor CE3 is connected with the output end of the battery pack power supply and an IN port of the chip U2 respectively, and a second end of the capacitor CE3 is grounded; a first end of the capacitor C3 is connected with a first end of the capacitor CE3, and a second end of the capacitor C3 is grounded; a first end of the capacitor C1 is connected with a first end of the capacitor CE3, and a second end of the capacitor C1 is connected with a VC port of the chip U2; the cathode of the diode D2 is connected with the LX port of the chip U2, and the anode of the diode D2 is grounded; a first end of the capacitor C5 is connected with an FB port of the chip U2, and a second end of the capacitor C5 is grounded; a first end of the inductor L1 is connected with an LX port of the chip U2, and a second end of the inductor L1 is connected with a 5V power output end; the first end of the capacitor CE6 is respectively connected with the second end of the inductor L1 and the 5V power output end, and the second end of the capacitor CE6 is grounded.
The further technical scheme is as follows: the switching charging module comprises a control chip U13 and a charging unit, wherein the charging unit comprises an interface P12, a resistor R25 and a resistor R26, the first end of the resistor R25 is connected with a 5V voltage input end, and the second end of the resistor R25 is connected with a No. 1 pin of the interface P12; the pin 3 of the interface P12 is grounded, the first end of the resistor R26 is connected to the 1YO port of the control chip, the second end of the resistor R26 is connected to the pin 2 of the interface P12, and the control chip U13 is used to control the on/off of the charging unit.
Compared with the prior art, the utility model beneficial effect is: the utility model relates to a remove charging device is equipped with a plurality of charging grooves that set up side by side and with power module, 4G module, detection module, drive module and switching module of charging respectively with the control module electricity be connected, detect through detection module that the treasured that charges inserts, switch the module of charging and switch the precious serial ports of charging and charge to the treasured that charges, the 4G module is used for communicating, when the 4G module received the instruction of renting, the drive module drive was released and is charged the treasured. The control module reads the electric quantity of the charging treasure through switching the charging module, and whether the information is damaged or not is judged. This mobile charging device supplies power to the treasured that charges through power module, switches the module that charges and switches the precious serial ports that charges and charge to the treasured that charges, and a plurality of charging grooves that set up side by side can carry out a plurality of precious charging of charging simultaneously to satisfy a plurality of handheld mobile terminal demands of charging. The mobile charging device is suitable for charging in field operation, has good protection performance and short charging time, and can charge a plurality of devices simultaneously.
The invention is further described with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of a mobile charging device according to the present invention;
fig. 2 is a connection diagram of a circuit assembly of a mobile charging device according to the present invention;
fig. 3 is a circuit diagram of a control module of a mobile charging device according to the present invention;
fig. 4 is a circuit diagram of a 5V conversion unit of a mobile charging device according to the present invention;
fig. 5 is a circuit diagram of a 4V conversion unit of a mobile charging device according to the present invention;
fig. 6 is a circuit diagram of a switching charging module of the mobile charging device of the present invention.
Reference numerals
10 casing 11 charging slot
20 control module 30 battery pack
404V conversion unit 503.3V conversion unit
605V conversion unit 704G module
80 detection module 90 driving module
100 switching charging module 110 voice module
120 external lamp panel of reset unit 130
12 treasured charges
Detailed Description
In order to more fully understand the technical content of the present invention, the technical solution of the present invention will be further described and illustrated with reference to the following specific embodiments, but not limited thereto.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is also changed accordingly, and the connection may be a direct connection or an indirect connection.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
In this specification, "/" means "or" unless otherwise specified "
As shown in fig. 1 to 6, a mobile charging device includes a housing 10, a plurality of charging slots 11 arranged side by side are provided in the housing 10 for charging a charger 12, the charging slots 11 are electrically connected to a circuit assembly, the circuit assembly includes a control module 20, and a power supply module, a 4G module 70, a detection module 80, a driving module 90 and a switching charging module 100 which are electrically connected to the control module 20;
wherein, detection module 80 is used for the precious 12 that charges to insert the detection, switches to charge module 100 and is used for switching precious 12 serial ports that charge and charge precious 12, and 4G module 70 is used for communication, and when 4G module 70 received the lease instruction, drive module 90 drive released precious 12 that charges. The control module 20 reads information such as the electric quantity of the power bank 12, whether the power bank is damaged or not by switching the charging module 100. The control module 20 is electrically connected to the 4G module 70 to read the operating status of the 4G module 70. This mobile charging device supplies power to treasured 12 that charges through power module, switches to charge module 100 and switches precious 12 serial ports that charge and charge precious 12 that charges, and a plurality of charging tank 11 that set up side by side can carry out a plurality of precious 12 that charge simultaneously to satisfy a plurality of handheld mobile terminal demand of charging. The mobile charging device is suitable for charging in field operation, has good protection performance and short charging time, and can charge a plurality of devices simultaneously.
Specifically, as shown in fig. 1 to 2, the power supply module includes a battery pack 30, and a 4V conversion unit 40, a 3.3V conversion unit 50, and a 5V conversion unit 60 electrically connected to the battery pack 30, the 4V conversion unit 40 is connected to the 4G module 70, the 3.3V conversion unit 50 is connected to the control module 20, and the 5V conversion unit 60 is connected to the switching charging module 100. The power supply module provides stable working current for the 4G module 70, the control module 20 and the switching charging module 100.
Specifically, as shown in fig. 1 to fig. 2, the mobile charging device includes a voice module 110, and the voice module 110 is electrically connected to the control module 20 and is configured to receive a command from the control module 20 to play a voice related to the command. When the control module 20 receives the related instruction, it sends the instruction to the voice module 110, and the voice module 110 plays the related voice according to the received instruction to remind the user of operation.
Specifically, as shown in fig. 1 to 2, the mobile charging device further includes an external reset unit 120 and an external lamp panel 130 electrically connected to the control module 20. The external reset unit 120 is used for resetting the mobile charging device, and the external lamp panel 130 is used for displaying to remind the user of the state of the power bank 12.
Specifically, as shown in fig. 1 to 2, the control module 20 is a single chip microcomputer, and the specific model of the single chip microcomputer is STC8F2K32S 2.
Specifically, as shown in fig. 1 to 2, the detection module 80 includes a shift register and a detection switch electrically connected to the shift register, the shift register is an eight-bit-in-serial shift register, and the specific model of the eight-bit-in-serial shift register is 74HC 165. When treasured 12 inserts that charges, the detection switch switches on, and whether the singlechip is gone into through two eight places and is gone into to concatenate shift register chip 74HC165 and read a plurality of detection switches and switch on, detects when having treasured 12 that charges to insert through the serial ports send the instruction for 4G module 70 when the singlechip, and 4G module 70 sends relevant instruction and gives the server, feeds back the information of successfully returning.
Specifically, as shown in fig. 1 to 2, the battery pack 30 has a capacity of 64AH, has good protection performance and short charging time, and can support a plurality of handheld mobile terminals to be charged simultaneously. The problem of several handheld mobile terminal charging simultaneously face the interface that charges not enough is solved.
Specifically, when the commercial power is connected, the commercial power is not influenced to charge the large-capacity battery pack 30, and meanwhile, the commercial power is directly utilized to charge the handheld mobile terminal, so that the charging efficiency of the battery pack 30 is improved, and the charging time of the battery pack 30 is saved.
Specifically, when the utility power is turned on, the internal battery pack 30 is charged, and the charging indicator light on the external lamp panel 130 is red to indicate that the battery is being charged, and green to indicate that the battery is fully charged. The battery pack 30 is provided with a power display for displaying the current power percentage of the internal battery pack 30.
Specifically, as shown IN fig. 5, the 4V conversion unit 40 includes a chip U3, an interface J1, a MOS transistor Q1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a diode D1, a capacitor CE1, a capacitor CE2, a capacitor CE5, a capacitor C6, an inductor L3, and an inductor FB1, where pin 1 of the interface J1 is connected to an IN port of the chip U3, pin 2 of the interface J1 is connected to a drain of the MOS transistor, a source of the MOS transistor is grounded, a first end of the resistor R3 is connected to a control electrode of the MOS transistor, and a second end of the resistor R3 is connected to a power output terminal of the battery pack 30; a first end of the resistor R4 is connected with a first end of the resistor R3, and a second end of the resistor R4 is grounded; the first end of the capacitor CE5 is connected with pin No. 1 of the interface J1, and the second end of the capacitor CE5 is grounded; the anode of the diode D1 is grounded, and the cathode of the diode D1 is connected with the LX port of the chip U3; a first end of the inductor L3 is connected with the cathode of the diode D1, and a second end of the inductor L3 is connected with the 4V power output end; a first end of the resistor R1 is connected with the FB port of the chip U3, and a second end of the resistor R1 is connected with a second end of the inductor L3; a first end of the capacitor C6 is connected with a first end of the resistor R1, and a second end of the capacitor C6 is connected with a second end of the resistor R1; a first end of the resistor R2 is connected with a first end of the resistor R1, and a second end of the resistor R2 is grounded; a first end of the capacitor CE1 is connected to the second end of the inductor L3, and a second end of the capacitor CE1 is grounded; a first terminal of the inductor FB1 is connected to the first terminal of the capacitor CE1, a second terminal of the inductor FB1 is connected to the power supply terminal of the 4G module 70, a first terminal of the capacitor CE2 is connected to the second terminal of the inductor FB1, and a second terminal of the capacitor CE2 is grounded. Through the circuit arrangement, 12V of the battery pack 30 is successfully converted into stable 4V voltage and output to the 4G module 70, so as to provide stable working voltage for the 4G module 70.
Specifically, as shown in fig. 5, the specific model of the chip U3 is XL1509 ADJ.
Specifically, as shown IN fig. 4, the 5V conversion unit 60 includes a chip U2, a diode D2, a capacitor CE3, a capacitor C3, a capacitor C1, a capacitor C5, a capacitor CE6, and an inductor L1, a first terminal of the capacitor CE3 is connected to the power output terminal of the battery pack 30 and the IN port of the chip U2, respectively, and a second terminal of the capacitor CE3 is grounded; a first end of the capacitor C3 is connected with a first end of the capacitor CE3, and a second end of the capacitor C3 is grounded; a first end of the capacitor C1 is connected with a first end of the capacitor CE3, and a second end of the capacitor C1 is connected with a VC port of the chip U2; the cathode of the diode D2 is connected with the LX port of the chip U2, and the anode of the diode D2 is grounded; a first end of the capacitor C5 is connected with the FB port of the chip U2, and a second end of the capacitor C5 is grounded; a first end of the inductor L1 is connected with an LX port of the chip U2, and a second end of the inductor L1 is connected with a 5V power output end; a first terminal of the capacitor CE6 is connected to the second terminal of the inductor L1 and the 5V power output terminal, respectively, and a second terminal of the capacitor CE6 is grounded. Through the circuit arrangement, 12V of the battery pack 30 is successfully converted into stable 5V and output to the switching charging module 100, so as to provide stable working voltage for the switching charging module 100.
Specifically, as shown in fig. 4, the specific model of the chip U2 is XL 2001.
Specifically, as shown in fig. 6, the switching charging module 100 includes a control chip U13 and a charging unit, the charging unit includes an interface P12, a resistor R25 and a resistor R26, a first end of the resistor R25 is connected to a 5V voltage input end, and a second end of the resistor R25 is connected to pin 1 of the interface P12; no. 3 pin of the interface P12 is grounded, the first end of the resistor R26 is connected with the 1YO port of the control chip, the second end of the resistor R26 is connected with the No. 2 pin of the interface P12, and the control chip U13 is used for controlling the on-off of the charging unit.
Specifically, as shown in fig. 6, the specific model number of the control chip U13 is 74HC 4052.
Specifically, as shown in fig. 1 to 6, the specific model of the chip of the 4G module 70 is LF-GSM.
Specifically, as shown in fig. 1 to 6, a safety cover is sleeved on the periphery of the battery pack 30, a vibration isolation material is arranged between the battery pack 30 and the safety cover, and the product is reinforced by the vibration isolation material to prevent hard impact.
Specifically, as shown in fig. 1 to 6, the number of the charging slots 11 is 8, and 8 charge pal 12 can be charged at the same time.
In another embodiment, the number of the charging slots 11 may be set according to practical applications, such as 9, 10, etc., to meet the charging requirements of more mobile terminals.
To sum up, the utility model relates to a remove charging device is equipped with a plurality of charging grooves that set up side by side and with power module, 4G module, detection module, drive module and switching module of charging respectively with the control module electricity be connected, detect through detection module that the treasured that charges inserts, switch the module of charging and switch the precious serial ports of charging and charge to the treasured that charges, the 4G module is used for communicating, and when the 4G module received the instruction of leasing, the drive module drive was released and is charged the precious. The control module reads the electric quantity of the charging treasure through switching the charging module, and whether the information is damaged or not is judged. This mobile charging device supplies power to the treasured that charges through power module, switches the module that charges and switches the precious serial ports that charges and charge to the treasured that charges, and a plurality of charging grooves that set up side by side can carry out a plurality of precious charging of charging simultaneously to satisfy a plurality of handheld mobile terminal demands of charging. The mobile charging device is suitable for charging in field operation, has good protection performance and short charging time, and can charge a plurality of devices simultaneously.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (9)
1. A mobile charging device is characterized by comprising a shell, wherein a plurality of charging grooves which are arranged side by side are formed in the shell and used for charging a charger, the charging grooves are electrically connected with a circuit assembly, and the circuit assembly comprises a control module, a power supply module, a 4G module, a detection module, a driving module and a switching charging module, wherein the power supply module, the 4G module, the detection module, the driving module and the switching charging module are electrically connected with the control module;
the detection module is used for detecting the insertion of the charging treasure, the switching charging module is used for switching a serial port of the charging treasure and charging the charging treasure, the 4G module is used for communication, and when the 4G module receives a lease instruction, the driving module drives the pushing-out of the charging treasure.
2. The mobile charging device of claim 1, wherein the power supply module comprises a battery pack, and a 4V conversion unit, a 3.3V conversion unit and a 5V conversion unit electrically connected to the battery pack, the 4V conversion unit is connected to the 4G module, the 3.3V conversion unit is connected to the control module, and the 5V conversion unit is connected to the switching charging module.
3. The mobile charging device of claim 1, comprising a voice module electrically connected to the control module for receiving a command from the control module to play a voice related message.
4. The mobile charging device of claim 1, further comprising an external reset unit and an external lamp panel electrically connected to the control module.
5. The mobile charging device of claim 1, wherein the control module is a single chip microcomputer, and the specific model of the single chip microcomputer is STC8F2K32S 2.
6. The mobile charging device of claim 1, wherein the detection module comprises a shift register and a detection switch electrically connected to the shift register, the shift register is an eight-bit in-and-out shift register, and the specific model of the eight-bit in-and-out shift register is 74HC 165.
7. The mobile charging device of claim 2, wherein the 4V conversion unit comprises a chip U3, an interface J1, a MOS transistor Q1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a diode D1, a capacitor CE1, a capacitor CE2, a capacitor CE5, a capacitor C6, an inductor L3 and an inductor FB1, pin No. 1 of the interface J1 is connected to an IN port of the chip U3, pin No. 2 of the interface J1 is connected to a drain of the MOS transistor, a source of the MOS transistor is grounded, a first end of the resistor R3 is connected to a control electrode of the MOS transistor, and a second end of the resistor R3 is connected to a battery pack power output terminal; a first end of the resistor R4 is connected with a first end of the resistor R3, and a second end of the resistor R4 is grounded; the first end of the capacitor CE5 is connected with the No. 1 pin of the interface J1, and the second end of the capacitor CE5 is grounded; the anode of the diode D1 is grounded, and the cathode of the diode D1 is connected with the LX port of the chip U3; the first end of the inductor L3 is connected with the cathode of the diode D1, and the second end of the inductor L3 is connected with the 4V power output end; a first end of the resistor R1 is connected with the FB port of the chip U3, and a second end of the resistor R1 is connected with a second end of the inductor L3; a first end of the capacitor C6 is connected with a first end of the resistor R1, and a second end of the capacitor C6 is connected with a second end of the resistor R1; the first end of the resistor R2 is connected with the first end of the resistor R1, and the second end of the resistor R2 is grounded; the first end of the capacitor CE1 is connected with the second end of the inductor L3, and the second end of the capacitor CE1 is grounded; a first end of the inductor FB1 is connected to a first end of the capacitor CE1, a second end of the inductor FB1 is connected to a power supply terminal of the 4G module, a first end of the capacitor CE2 is connected to a second end of the inductor FB1, and a second end of the capacitor CE2 is grounded.
8. The mobile charging device of claim 2, wherein the 5V conversion unit comprises a chip U2, a diode D2, a capacitor CE3, a capacitor C3, a capacitor C1, a capacitor C5, a capacitor CE6, and an inductor L1, a first terminal of the capacitor CE3 is connected to the battery pack power output terminal and the IN port of the chip U2, respectively, and a second terminal of the capacitor CE3 is connected to ground; a first end of the capacitor C3 is connected with a first end of the capacitor CE3, and a second end of the capacitor C3 is grounded; a first end of the capacitor C1 is connected with a first end of the capacitor CE3, and a second end of the capacitor C1 is connected with a VC port of the chip U2; the cathode of the diode D2 is connected with the LX port of the chip U2, and the anode of the diode D2 is grounded; a first end of the capacitor C5 is connected with an FB port of the chip U2, and a second end of the capacitor C5 is grounded; a first end of the inductor L1 is connected with an LX port of the chip U2, and a second end of the inductor L1 is connected with a 5V power output end; the first end of the capacitor CE6 is respectively connected with the second end of the inductor L1 and the 5V power output end, and the second end of the capacitor CE6 is grounded.
9. The mobile charging device of claim 1, wherein the switching charging module comprises a control chip U13 and a charging unit, the charging unit comprises an interface P12, a resistor R25 and a resistor R26, a first end of the resistor R25 is connected with a 5V voltage input end, and a second end of the resistor R25 is connected with pin 1 of the interface P12; the pin 3 of the interface P12 is grounded, the first end of the resistor R26 is connected to the 1YO port of the control chip, the second end of the resistor R26 is connected to the pin 2 of the interface P12, and the control chip U13 is used to control the on/off of the charging unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921321945.8U CN210111664U (en) | 2019-08-14 | 2019-08-14 | Mobile charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921321945.8U CN210111664U (en) | 2019-08-14 | 2019-08-14 | Mobile charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210111664U true CN210111664U (en) | 2020-02-21 |
Family
ID=69531413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921321945.8U Expired - Fee Related CN210111664U (en) | 2019-08-14 | 2019-08-14 | Mobile charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210111664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115273306A (en) * | 2022-08-22 | 2022-11-01 | 中国科学院近代物理研究所 | Safety interlocking system and method for personnel entering and exiting in radiation control area |
-
2019
- 2019-08-14 CN CN201921321945.8U patent/CN210111664U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115273306A (en) * | 2022-08-22 | 2022-11-01 | 中国科学院近代物理研究所 | Safety interlocking system and method for personnel entering and exiting in radiation control area |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2004319367A (en) | Portable power supply device, connecting device and portable electronic device | |
| CN110213406B (en) | Folding electronic equipment | |
| CN210111664U (en) | Mobile charging device | |
| CN219436667U (en) | High-voltage control circuit, high-voltage control box and energy storage system | |
| CN207801530U (en) | Battery management system | |
| CN112383098A (en) | Multipurpose movable standby power supply | |
| CN208489665U (en) | A kind of vehicle intelligent USB fast charging device based on type-C interface | |
| CN207896702U (en) | A kind of microphone charging ring and its charger | |
| CN215344555U (en) | Data transmission device for audio acquisition device | |
| CN213619442U (en) | Battery exchange station | |
| CN214043760U (en) | Household energy storage power supply device | |
| CN210467933U (en) | Dual-output rechargeable battery | |
| CN204391451U (en) | A kind of USB multi-function jack with charging instruction | |
| CN201409005Y (en) | Multifunctional portable power supply device | |
| CN201233940Y (en) | Emergency general-purpose charger | |
| CN221928398U (en) | Breathing machine lithium battery | |
| CN207098195U (en) | Socket | |
| CN105892579A (en) | Multifunctional keyboard and display device | |
| CN215817622U (en) | Wall-mounted household energy storage power supply | |
| CN214543750U (en) | Novel precious equipment that charges | |
| CN217543897U (en) | Vehicle key and vehicle | |
| CN218449582U (en) | Multifunctional mobile power supply | |
| CN201112426Y (en) | Spare battery with card-reading function | |
| CN214707207U (en) | Multifunctional photovoltaic panel environment-friendly charger baby | |
| CN213692265U (en) | Battery pack mounting structure of energy storage battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200221 |