CN210836359U - Wireless charger based on NB-IoT (Internet of things-IoT) - Google Patents
Wireless charger based on NB-IoT (Internet of things-IoT) Download PDFInfo
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- CN210836359U CN210836359U CN201922117311.7U CN201922117311U CN210836359U CN 210836359 U CN210836359 U CN 210836359U CN 201922117311 U CN201922117311 U CN 201922117311U CN 210836359 U CN210836359 U CN 210836359U
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Abstract
The utility model provides a wireless recharger based on NB-IoT thing networking includes: the positioning module is used for positioning the charger to acquire position information of the charger; the communication control module is connected with the positioning module and used for acquiring position information; the NB-IoT internet of things communication module is connected with the communication control module and used for sending the position information to the server terminal; the card control identification module is used for reading and writing the rechargeable card; the card control module is connected with the card control identification module and is used for receiving the rechargeable card data information read out by the card control identification module or sending instruction information for writing the rechargeable card to the card control identification module; the wireless transmission module is connected with the card control module and is used for transmitting the rechargeable card data information read out by the card control identification module to the user mobile terminal or transmitting the instruction information transmitted by the mobile terminal to the card control module; the power management module is connected with the positioning module, the communication control module, the NB-IoT internet of things communication module, the card control identification module and the wireless transmission module respectively and used for providing power.
Description
Technical Field
The utility model belongs to the wireless thing networking field of supplementing with money, concretely relates to wireless recharger based on NB-IoT thing networking.
Background
With the development of society, the lives of residents enter the information age, and among the civil problems of water, electricity, gas and the like, a water card, an electricity card, a natural gas card and the like become indispensable parts of the lives of the residents, and recharging of water, electricity and gas becomes the needs of the lives.
At present, fixed-point recharging is adopted for recharging a rechargeable card, and when the balance in the card is insufficient, a user needs to arrange time to go to a recharging point near a residence place for manual recharging so as to ensure normal life.
The manual recharging is limited by the time of leaving work first, and under the condition that the manual recharging point is out of work and is not in business, the user cannot recharge, so that the trouble is caused to the life of residents.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide a provide the utility model provides a wireless recharger based on NB-IoT thing networking solves the artifical rechargeable point of prior art and receives the problem that time limit can not supplement with money at any time.
In order to solve the technical problems, the invention adopts the following technical scheme:
a wireless recharger based on an NB-IoT Internet of things, comprising:
the positioning module is used for positioning the wireless charger and acquiring the position information of the wireless charger;
the communication control module is connected with the positioning module and used for acquiring the position information;
the NB-IoT Internet of things communication module is connected with the communication control module and is used for sending the position information to a server terminal;
the card control identification module is used for reading and writing the rechargeable card;
the card control module is connected with the card control identification module and used for receiving the data information of the rechargeable card read out by the card control identification module or sending instruction information for writing the rechargeable card to the card control identification module;
the wireless transmission module is connected with the card control module and used for sending the data information of the rechargeable card read out by the card control identification module to a user mobile terminal or sending instruction information sent by the user mobile terminal to the card control module;
and the power supply management module is respectively connected with the positioning module, the communication control module, the NB-IoT internet of things communication module, the card control identification module and the wireless transmission module and is used for providing power supply.
Further, the wireless charger further comprises:
the voltage detection module is connected with the power management module and the communication control module, the voltage detection module is used for detecting voltage information of the power management module and transmitting the voltage information to the communication control module, and the NB-IoT communication module can send the voltage information to a server terminal.
Further, the wireless charger further comprises:
the indicating lamp is connected with the communication control module, and the communication control module is connected with the card control module; when the card control module receives the information that the card control identification module successfully reads, the indicator light is always on; when the card control module receives the information that the card control identification module fails to read, the indicator light flashes by taking first preset time as a period; when the voltage information detected by the voltage detection module is normal, the indicator light flashes by taking second preset time as a period; when the voltage information detected by the voltage detection module is abnormal, the indicator light flashes by taking third preset time as a period; when the positioning module is successfully positioned, the indicator light flashes by taking fourth preset time as a period; and when the positioning module fails to position, the indicator light flashes by taking fifth preset time as a period.
Further, the wireless charger further comprises:
and the data storage module is connected with the communication control module and is used for storing the position information acquired by the positioning module, the voltage information acquired by the voltage detection module and the rechargeable card information acquired by the card control identification module.
Further, the wireless charger further comprises:
and the level conversion module is used for converting the acquired position signal of the positioning module into position information and transmitting the position information to the communication control module.
Further, the positioning module is a GPS module.
Further, the wireless transmission module is a bluetooth module.
Further, the communication control module is a single chip microcomputer.
Further, the power management module comprises an alternating current-direct current conversion circuit, a communication control module and card control module power supply circuit, an NB-IoT Internet of things communication module and positioning module power supply circuit, a card control identification module power supply circuit and a voltage detection module power supply circuit;
the alternating current-direct current conversion circuit is used for converting 220V alternating current voltage into direct current voltage;
the power supply circuit of the communication control module and the card control module is used for reducing and stabilizing the direct current voltage, and supplying the reduced direct current voltage to the communication control module and the card control module after obtaining the reduced direct current voltage;
the NB-IoT Internet of things communication module and positioning module power supply circuit is used for boosting and stabilizing direct-current voltage according to an instruction of the communication master control single module, and then supplying the stabilized direct-current voltage to the NB-IoT Internet of things communication module and positioning module;
and the card control identification module power supply circuit is used for boosting and stabilizing the reduced direct-current voltage according to the instruction of the card control module and then supplying the reduced direct-current voltage to the card control identification module.
Further, the communication control module and card control module power supply circuit comprises an LDO voltage stabilization chip A6250K3 VR-33C; the input end 2 of the chip A6250K3VR-33C is connected with a diode D3 and a diode D5 which are mutually connected in parallel, the output ends of the diode D3 and the diode D5 are connected with a capacitor E1, a capacitor C49 and a capacitor C1, the capacitor C49 is connected with the ground, a capacitor E1 is connected with the capacitor C1 in parallel and then connected with the ground, the output end 3 of the chip A6250K3VR-33C is connected with a capacitor C4 and a capacitor C43 which are mutually connected in parallel, and the capacitor C4 and the capacitor C43 are also connected with the ground; the GND end 1 of the chip A6250K3VR-33C is grounded; an isolation output terminal BAT is arranged among the diode D3, the diode D5 and the input terminal 2 of the LDO voltage stabilizing chip A6250K3 VR-33C;
the NB-IoT Internet of things communication module and positioning module power supply circuit comprises a boost chip SY7072A, an enable end 4 of the boost chip SY7072A is connected with a communication main control unit through a resistor R1, a connecting end 1 of the boost chip SY7072A is connected with an inductor L1, meanwhile, the connecting end 1 of the boost chip SY7072A is connected with an output end 5 of the boost chip SY7072A through a diode D7, the other end of the inductor is connected with BAT, an input end 6 of the boost chip SY7072A is connected with BAT, a regulating end 3 of the boost chip SY7072A is divided into two branches, one branch is connected with the ground through a resistor R2, the other branch is connected with an output end 5 of the boost chip SY7072A through a resistor R3, a resistor R4 and a point A led out from the output end 5 of the boost chip 7072A, the point A is respectively connected with a capacitor E2 and a ground through a capacitor E3 through a capacitor C3, and a GND of the chip 7072 SY 2 is;
the power supply circuit of the card-controlled identification module comprises an integrated chip HM3200-SOT-26, an enable end 3 of the integrated chip HM3200-SOT-26 is connected with the card-controlled control module, an input end 5 of the integrated chip HM3200-SOT-26 is connected with BAT and is connected with a capacitor C54, a capacitor C54 is further connected with the ground, a connecting end 4 and a connecting end 6 of the integrated chip HM3200-SOT-26 are connected in series through a capacitor C51, an output end 1 of the integrated chip HM3200-SOT-26 is connected with the card-controlled identification module through a resistor R82, a point B is led out from the output end 1 of the integrated chip HM3200-SOT-26, the point B is connected with a capacitor C52 and a capacitor C53 which are connected in parallel with each other, the capacitor C52 is further connected with the ground with one end of the capacitor C53, and a GND end 2 of the integrated chip HM 3200-;
the power supply circuit of the voltage detection module comprises a resistor R66, a resistor R67 and a capacitor C18, an isolation output terminal BAT is connected with and divided into two branches through a resistor R66, one branch is connected with the AD of the communication control module, and the other branch is connected with the resistor R67 in series and the series C18 in series and is connected with the ground at the same time.
Compared with the prior art, the utility model, following technological effect has:
(I) the utility model provides a wireless recharger based on NB-IoT thing networking can make the user search for wireless recharger and the accurate location goes out the position of wireless recharger through cell-phone APP, and the user can be accurate according to the wireless recharger that finds the distance is nearest to accomplish to supplement with money the operation back with money on wireless recharger and upload to the terminal and feed back to the user with money the result, realizes at any time accurately supplementing with money and alleviates the flow burden of artifical supplementing with money.
(II) the utility model provides a wireless recharger based on NB-IoT thing networking obtains the voltage information of recharger through voltage detection module, and NB-IoT thing networking can cross the transmission of operating voltage information to server terminal, and the user can obtain the voltage information of terminal through cell-phone APP; when the charger is in a low-voltage state, a user can receive low-voltage information of the charger through the mobile phone APP and can change the target charger in time.
(III) the utility model provides a wireless recharger based on NB-IoT thing networking is through having set up the pilot lamp, can demonstrate that the card accuse identification module reads equipment status information such as the voltage information that abnormal information, voltage detection module detected out and the locating information of locating module discernment, appears unusually when equipment status information, and artifical maintenance personal can audio-visually learn whether the recharger needs the maintenance through the scintillation signal of pilot lamp.
Drawings
Fig. 1 is an overall block diagram of a wireless charger of the present invention;
fig. 2 is an internal circuit diagram of the communication control module and the card control module and the NB-IoT communication module and the positioning module provided by the present invention;
fig. 3 is an internal circuit diagram of the card control identification module provided by the present invention;
fig. 4 is an internal circuit diagram of the voltage detection module provided by the present invention.
The present invention will be explained in further detail with reference to examples.
Detailed Description
The following embodiments of the present invention are given, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention.
Example (b):
in this embodiment, a wireless charger based on NB-IoT internet of things includes:
the positioning module is used for positioning the wireless charger and acquiring the position information of the wireless charger;
the communication control module is connected with the positioning module and used for acquiring the position information;
the NB-IoT Internet of things communication module is connected with the communication control module and is used for sending the position information to a server terminal;
the card control identification module is used for reading and writing the rechargeable card;
the card control module is connected with the card control identification module and used for receiving the data information of the rechargeable card read out by the card control identification module or sending instruction information for writing the rechargeable card to the card control identification module;
the wireless transmission module is connected with the card control module and used for sending the data information of the rechargeable card read out by the card control identification module to a user mobile terminal or sending instruction information sent by the user mobile terminal to the card control module;
and the power supply management module is respectively connected with the positioning module, the communication control module, the NB-IoT internet of things communication module, the card control identification module and the wireless transmission module and is used for providing power supply.
As shown in fig. 1, in the embodiment, a wireless charger based on an NB-IoT internet of things is disclosed, and mainly implemented functions are:
1. obtaining position information of a charger;
2. outputting the position information of the charger at fixed time;
3. the user can search the position information through the mobile phone APP, and accurately find the charger of the living attachment for charging;
the function of acquiring the position information of the charger is realized by a positioning module, and the positioning module can adopt a GPS module;
the function of outputting the position information of the charger at regular time is realized by connecting the NB-IoT Internet of things communication module with the communication control module and transmitting the acquired position information, the NB-IoT Internet of things communication module is connected with the communication control module by adopting a UART bus, and the NB-IoT Internet of things communication module adopts an antenna as a signal transceiving antenna.
The recharging operation is realized by mainly connecting the card control module with the card control identification module and the wireless transmission module through the card control module seal respectively, the card control module can be a controller or a microcontroller which can realize logic operation such as a single chip microcomputer, as a preferred implementation mode, the single chip microcomputer with high performance and micro power consumption is adopted as the card control module, the card control identification module is used for identifying the recharging card and identifying data information in the recharging card, and the wireless transmission module can be a Bluetooth module.
Optionally, the wireless charger further comprises:
the voltage detection module is connected with the power management module and the communication control module, the voltage detection module is used for detecting voltage information of the power management module and transmitting the voltage information to the communication control module, and the NB-IoT communication module can send the voltage information to a server terminal.
In this embodiment, when the voltage detection module detects that the voltage state of the charger is in a normal voltage state, the state information is transmitted to the server terminal through the NB-IoT internet of things communication module, and a user can normally locate the position information of the charger through the mobile phone APP and then go to the charger to perform charging work; when the voltage detection module detects that the voltage state of the charger is in a low-voltage state, the state information can be transmitted to the server terminal through the NB-IoT Internet of things communication module, the user mobile phone APP can prompt the charger to process the low-voltage state, and the user can reselect the charger near a residence to go to the residence according to the prompt.
Optionally, the wireless charger further comprises:
the indicating lamp is connected with the communication control module, and the communication control module is connected with the card control module; when the card control module receives the information that the card control identification module successfully reads, the indicator light is always on; when the card control module receives the information that the card control identification module fails to read, the indicator light flashes by taking first preset time as a period; when the voltage information detected by the voltage detection module is normal, the indicator light flashes by taking second preset time as a period; when the voltage information detected by the voltage detection module is abnormal, the indicator light flashes by taking third preset time as a period; when the positioning module is successfully positioned, the indicator light flashes by taking fourth preset time as a period; and when the positioning module fails to position, the indicator light flashes by taking fifth preset time as a period.
In this embodiment, the first preset time, the third preset time and the fifth preset time of the indicator light are 0.5 second and flash once, and the second preset time and the fourth preset time of the indicator light are 1 second and flash once.
Optionally, the wireless charger further comprises:
and the data storage module is connected with the communication control module and is used for storing the position information acquired by the positioning module, the voltage information acquired by the voltage detection module and the rechargeable card information acquired by the card control identification module.
In the embodiment, a data storage module is arranged to prevent data from being unable to be stored when the power supply fails, the data storage module adopts a memory, the memory is connected with a communication end of a communication control module, and the memory is used for storing device state information such as device voltage state information, position information and card reading abnormal information of a wireless charger of the NB-IoT internet of things.
Optionally, the wireless charger further comprises:
and the level conversion module is used for converting the acquired position signal of the positioning module into position information and transmitting the position information to the communication control module.
Optionally, the positioning module is a GPS module.
Optionally, the wireless transmission module is a bluetooth module.
Optionally, the communication control module is a single chip microcomputer.
Optionally, the power management module includes an ac-dc conversion circuit, a communication control module and card control module power supply circuit, an NB-IoT internet of things communication module and positioning module power supply circuit, a card identification module power supply circuit, and a voltage detection module power supply circuit;
the alternating current-direct current conversion circuit is used for converting 220V alternating current voltage into direct current voltage;
the power supply circuit of the communication control module and the card control module is used for reducing and stabilizing the direct current voltage, and supplying the reduced direct current voltage to the communication control module and the card control module after obtaining the reduced direct current voltage;
the NB-IoT Internet of things communication module and positioning module power supply circuit is used for boosting and stabilizing direct-current voltage according to an instruction of the communication master control single module, and then supplying the stabilized direct-current voltage to the NB-IoT Internet of things communication module and positioning module;
and the card control identification module power supply circuit is used for boosting and stabilizing the reduced direct-current voltage according to the instruction of the card control module and then supplying the reduced direct-current voltage to the card control identification module.
In this embodiment, the ac-dc conversion circuit is used to convert 220V ac voltage into 3.6V dc voltage;
the communication control module and card control module power supply circuit is used for reducing and stabilizing 3.6V direct current voltage to obtain 3.3V direct current voltage VCC, and then supplying the 3.3V direct current voltage VCC to the communication control module and the card control module;
the NB-IoT Internet of things communication module and positioning module power supply circuit is used for boosting the 3.6V direct current voltage to obtain a 3.7V direct current voltage and supplying the 3.7V direct current voltage to the NB-IoT Internet of things communication module and the positioning module;
the power supply circuit of the card control identification module is used for boosting 3.3V direct current voltage to obtain 5V direct current voltage and then supplying the 5V direct current voltage to the card control identification module.
In this embodiment, the power management module adopts a multi-path power output scheme, the AC-DC power supply converts an external 220V AC mains supply into a 3.6V DC voltage, and after the voltage is reduced and stabilized by the communication control module and the card control module power supply circuit, the communication control module is powered all the way, and the card control module is powered all the way.
Optionally, the communication control module and card control module power supply circuit comprises an LDO regulator chip a6250K3 VR-33C; the input end 2 of the chip A6250K3VR-33C is connected with a diode D3 and a diode D5 which are mutually connected in parallel, the output ends of the diode D3 and the diode D5 are connected with a capacitor E1, a capacitor C49 and a capacitor C1, the capacitor C49 is connected with the ground, a capacitor C49 and the capacitor C1 are connected with the ground after being connected in parallel, the output end 3 of the chip A6250K3VR-33C is connected with a capacitor C4 and a capacitor C43 which are mutually connected in parallel, and the capacitor C4 and the capacitor C43 are also connected with the ground; the GND end 1 of the chip A6250K3VR-33C is grounded; an isolation output terminal BAT is arranged among the diode D3, the diode D5 and the input terminal 2 of the LDO voltage stabilizing chip A6250K3 VR-33C;
in this embodiment, as shown in fig. 2, the power supply circuit for the communication control module and the card control module includes: the communication control module comprises a terminal J3, a diode D5, a diode D3, LDO buck chips A6250K3VR-33C, a capacitor E1, a capacitor C49, a capacitor C4 and a capacitor C43, alternating current 220V mains supply outputs 3.6V direct current voltage through an AC-DC power supply through a pin 2 of J3, the 3.6V direct current voltage is connected with a ground end GND terminal 1 of the LDO buck chips A6250K3VR-33C through a diode D5, a diode D3, a capacitor E1 and a capacitor C49, the capacitor C4 is connected with an output end 3 of the LDO buck chips A6250K3VR-33C through a capacitor C43 and is grounded, the capacitor C4 is connected with a capacitor C43 and the output end 3 of the LDO buck chips A6250K3VR-33C and outputs 3.3V direct current voltage VCC, and the VCC supplies power for the communication control module and.
In the present embodiment, the diode D5 and the diode D3 are SS12 diodes, and the capacitor C49, the capacitor C4 and the capacitor C43 are 100 capacitors.
In the embodiment, as shown in fig. 2, the NB-IoT internet of things communication module and positioning module power supply circuit includes a boost chip SY7072A, the enabling end 4 of the voltage boosting chip SY7072A is connected with the communication main control unit through a resistor R1, the connecting end 1 of the voltage boosting chip SY7072A is connected with an inductor L1, meanwhile, the connection end 1 of the voltage boost chip SY7072A is connected with the output end 5 of the voltage boost chip SY7072A through a diode D7, the other end of the inductor is connected with BAT, the input end 6 of the boost chip SY7072A is connected with BAT, the adjusting end 3 of the boost chip SY7072A is divided into two branches, one branch is connected with the ground through a resistor R2, the other branch is connected with the output end 5 of the boost chip SY7072A through a resistor R3 and a resistor R4, a point A is led out of the output end 5 of the boost chip SY7072A, the point A is respectively connected with a capacitor E2, a capacitor E3 and the ground through a capacitor C3 and a capacitor C5, and the GND end 2 of the chip SY7072A is grounded;
in this embodiment, a point a is led out from a pin 5 at an output end of the boost chip SY7072A, the point a outputs a 3.7V dc voltage SYs _ VCC, the SYs _ VCC supplies power to the NB-IoT internet of things communication module and the positioning module, the inductor L1 selects a 4.7 μ H inductor, the diode D7 is an MBR0520 diode, the capacitor C3 is a 104 capacitor, the capacitor C5 is a 100 μ F capacitor, the resistor R2 is a 1M resistor, the resistor R3 is a 2M resistor, and the resistor R4 is a 0 ohm resistor.
In the present embodiment, as shown in fig. 3, the card controlled identification module power supply circuit includes an integrated chip HM3200-SOT-26, the enabling end 3 of the integrated chip HM3200-SOT-26 is connected with the card control module, the input terminal 5 of the integrated chip HM3200-SOT-26 is connected to BAT and to the capacitor C54, the capacitor C54 is further connected to ground, the connection terminal 4 and the connection terminal 6 of the integrated chip HM3200-SOT-26 are connected in series through a capacitor C51, the output end 1 of the integrated chip HM3200-SOT-26 is connected with the card control identification module through a resistor R82, a point B is led out from the output end 1 of the integrated chip HM3200-SOT-26, the point B is connected with a capacitor C52 and a capacitor C53 which are mutually connected in parallel, one end of the capacitor C52 and one end of the capacitor C53 are also connected with the ground, the GND end 2 of the integrated chip HM3200-SOT-26 is grounded;
in the embodiment, the enable end 3 of the integrated chip HM3200-SOT-26 is connected with the CARD control module through the resistor R81, the voltage is boosted after receiving an instruction of the CARD control module, the input end 5 of the integrated chip HM3200-SOT-26 is connected with the BAT, and 3.6V direct current voltage is boosted to output 5V direct current voltage CARD _ VCC to supply power to the CARD control identification module; the capacitor C54 and the capacitor C52 are 10 muF capacitors, the capacitor C51 is 1 muF capacitor, the capacitor C53 is 104 capacitors, the resistor R81 is a 1K resistor, and the resistor R82 is a 51K resistor.
In this embodiment, as shown in fig. 4, the power supply circuit of the voltage detection module includes a resistor R66, a resistor R67, and a capacitor C18, the isolation output terminal BAT is connected to the resistor R66 and divided into two branches, one branch is connected to the AD of the communication control module, and the other branch is connected to the resistor R67 and the series C18 and connected to the ground.
In the present embodiment, the resistor R66 is a 3M resistor, the resistor R67 is a 1M resistor, and the capacitor C18 is 104 capacitors.
The utility model discloses a theory of operation of wireless recharger based on NB-IoT thing networking:
the wireless charger can be positioned by the positioning module to obtain the position information of the wireless charger, the communication control module can obtain the position information and upload the position information to the server terminal by the NB-IoT internet of things communication module, when a user needs to charge the rechargeable card, firstly, a mobile phone APP is turned on, the position information of the wireless charger near a residence place can be obtained by the wireless transmission module, the user can go to the charger according to the prompt of the position information and swipe the rechargeable card on the card control identification module for card swiping identification, the card control identification module can read the balance data information in the rechargeable card and transmit the balance data information to the card control module, the wireless transmission module can receive the balance data information and transmit the balance data information to the mobile terminal of the user, the user can pay for a third party service provider by the mobile terminal after obtaining the balance data information in the rechargeable card, after successful payment, the third-party service merchant feeds back payment success information to the user mobile terminal, the payment success information can be transmitted to the card control module through the wireless transmission module, the card control module can send a recharging instruction to the card control identification module, the card control identification module can write payment amount information into the recharging card, recharging is successful, after the recharging is successful, the card control identification module can send recharging success information to the card control module, the recharging success information is sent to the user mobile terminal through the wireless transmission module, and recharging is completed.
When the positioning module of the wireless charger fails, the position information of the charger cannot be accurately positioned, or when the charger is in a low-voltage state, the charger fails to read the card, and the like, abnormal information of a device is sent to the server terminal through the NB-IoT internet of things communication module, and corresponding maintenance personnel can receive the abnormal information of the device and arrange maintenance work.
Claims (10)
1. A wireless recharger based on an NB-IoT Internet of things, comprising:
the positioning module is used for positioning the wireless charger and acquiring the position information of the wireless charger;
the communication control module is connected with the positioning module and used for acquiring the position information;
the NB-IoT Internet of things communication module is connected with the communication control module and is used for sending the position information to a server terminal;
the card control identification module is used for reading and writing the rechargeable card;
the card control module is connected with the card control identification module and used for receiving the data information of the rechargeable card read out by the card control identification module or sending instruction information for writing the rechargeable card to the card control identification module;
the wireless transmission module is connected with the card control module and used for sending the data information of the rechargeable card read out by the card control identification module to a user mobile terminal or sending instruction information sent by the user mobile terminal to the card control module;
and the power supply management module is respectively connected with the positioning module, the communication control module, the NB-IoT internet of things communication module, the card control identification module and the wireless transmission module and is used for providing power supply.
2. The NB-IoT internet of things based wireless charger of claim 1, wherein the wireless charger further comprises:
the voltage detection module is connected with the power management module and the communication control module, the voltage detection unit is used for detecting voltage information of the power management module and transmitting the voltage information to the communication control module, and the NB-IoT communication module can transmit the voltage information to a server terminal.
3. The NB-IoT internet of things based wireless charger of claim 2 further comprising:
the indicating lamp is connected with the communication control module, and the communication control module is connected with the card control module; when the card control module receives the information that the card control identification module successfully reads, the indicator light is always on; when the card control module receives the information that the card control identification module fails to read, the indicator light flashes by taking first preset time as a period; when the voltage information detected by the voltage detection module is normal, the indicator light flashes by taking second preset time as a period; when the voltage information detected by the voltage detection module is abnormal, the indicator light flashes by taking third preset time as a period; when the positioning module is successfully positioned, the indicator light flashes by taking fourth preset time as a period; and when the positioning module fails to position, the indicator light flashes by taking fifth preset time as a period.
4. The NB-IoT internet of things based wireless charger of claim 3 further comprising:
and the data storage module is connected with the communication control module and is used for storing the position information acquired by the positioning module, the voltage information acquired by the voltage detection module and the rechargeable card information acquired by the card control identification module.
5. The NB-IoT internet of things based wireless charger of claim 1, wherein the wireless charger further comprises:
and the level conversion module is used for converting the acquired position signal of the positioning module into position information and transmitting the position information to the communication control module.
6. The NB-IoT internet of things based wireless charger of claim 1, wherein the location module is a GPS module.
7. The NB-IoT internet of things based wireless charger of claim 1, wherein the wireless transmission module is a bluetooth module.
8. The NB-IoT internet of things based wireless charger of claim 1, wherein the communication control module is a single chip.
9. The NB-IoT IOT based wireless charger of claim 1, wherein the power management module comprises an AC/DC conversion circuit, a communication control module and card control module power supply circuit, an NB-IoT IOT communication module and positioning module power supply circuit, a card identification module power supply circuit and a voltage detection module power supply circuit;
the alternating current-direct current conversion circuit is used for converting 220V alternating current voltage into direct current voltage;
the power supply circuit of the communication control module and the card control module is used for reducing and stabilizing the direct current voltage, and supplying the reduced direct current voltage to the communication control module and the card control module after obtaining the reduced direct current voltage;
the NB-IoT Internet of things communication module and positioning module power supply circuit is used for boosting and stabilizing direct-current voltage according to an instruction of the communication master control single module, and then supplying the stabilized direct-current voltage to the NB-IoT Internet of things communication module and positioning module;
and the card control identification module power supply circuit is used for boosting and stabilizing the reduced direct-current voltage according to the instruction of the card control module and then supplying the reduced direct-current voltage to the card control identification module.
10. The NB-IoT internet of things based wireless recharger of claim 9, wherein the communication control module and card control module power supply circuit comprises an LDO regulator chip a6250K3 VR-33C; the input end 2 of the chip A6250K3VR-33C is connected with a diode D3 and a diode D5 which are mutually connected in parallel, the output ends of the diode D3 and the diode D5 are connected with a capacitor E1, a capacitor C49 and a capacitor C1, the capacitor C49 is connected with the ground, the capacitor E1 is connected with the capacitor C1 in parallel and then connected with the ground, the output end 3 of the chip A6250K3VR-33C is connected with a capacitor C4 and a capacitor C43 which are mutually connected in parallel, and the capacitor C4 and the capacitor C43 are also connected with the ground; the GND end 1 of the chip A6250K3VR-33C is grounded; an isolation output terminal BAT is arranged among the diode D3, the diode D5 and the input terminal 2 of the LDO voltage stabilizing chip A6250K3 VR-33C;
the NB-IoT Internet of things communication module and positioning module power supply circuit comprises a boost chip SY7072A, an enable end 4 of the boost chip SY7072A is connected with a communication main control unit through a resistor R1, a connecting end 1 of the boost chip SY7072A is connected with an inductor L1, meanwhile, the connecting end 1 of the boost chip SY7072A is connected with an output end 5 of the boost chip SY7072A through a diode D7, the other end of the inductor is connected with BAT, an input end 6 of the boost chip SY7072A is connected with BAT, a regulating end 3 of the boost chip SY7072A is divided into two branches, one branch is connected with the ground through a resistor R2, the other branch is connected with an output end 5 of the boost chip SY7072A through a resistor R3, a resistor R4 and a point A led out from the output end 5 of the boost chip 7072A, the point A is respectively connected with a capacitor E2 and a ground through a capacitor E3 through a capacitor C3, and a GND of the chip 7072 SY 2 is;
the power supply circuit of the card-controlled identification module comprises an integrated chip HM3200-SOT-26, an enable end 3 of the integrated chip HM3200-SOT-26 is connected with the card-controlled control module, an input end 5 of the integrated chip HM3200-SOT-26 is connected with BAT and is connected with a capacitor C54, a capacitor C54 is further connected with the ground, a connecting end 4 and a connecting end 6 of the integrated chip HM3200-SOT-26 are connected in series through a capacitor C51, an output end 1 of the integrated chip HM3200-SOT-26 is connected with the card-controlled identification module through a resistor R82, a point B is led out from the output end 1 of the integrated chip HM3200-SOT-26, the point B is connected with a capacitor C52 and a capacitor C53 which are connected in parallel with each other, the capacitor C52 is further connected with the ground with one end of the capacitor C53, and a GND end 2 of the integrated chip HM 3200-;
the power supply circuit of the voltage detection module comprises a resistor R66, a resistor R67 and a capacitor C18, an isolation output terminal BAT is connected with and divided into two branches through a resistor R66, one branch is connected with the AD of the communication control module, and the other branch is connected with the resistor R67 in series and the series C18 in series and is connected with the ground at the same time.
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| CN201922117311.7U CN210836359U (en) | 2019-11-29 | 2019-11-29 | Wireless charger based on NB-IoT (Internet of things-IoT) |
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| CN201922117311.7U CN210836359U (en) | 2019-11-29 | 2019-11-29 | Wireless charger based on NB-IoT (Internet of things-IoT) |
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