CN112927435B

CN112927435B - Remote electric energy recharging system and method

Info

Publication number: CN112927435B
Application number: CN202110087021.1A
Authority: CN
Inventors: 林柏; 贺荔; 华祥辉; 冯培洋; 卿虹键
Original assignee: Sichuan Jaston Electrical Equipment Co ltd
Current assignee: Sichuan Jaston Electrical Equipment Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2024-02-02
Anticipated expiration: 2041-01-22
Also published as: CN112927435A

Abstract

The invention provides a remote electric energy recharging system, which comprises a recharging device, wherein the recharging device comprises a Bluetooth card writer, a network card writer and a Bluetooth collector, the Bluetooth card writer and the network card writer are both used for writing a card to an electric card, and the Bluetooth collector is respectively connected with an electric meter and a mobile terminal which can be in communication connection with a cloud background so as to enable the electric meter to be in indirect communication connection with the cloud background; the Bluetooth card writer is internally provided with a Bluetooth card writer circuit, and the Bluetooth card writer circuit comprises a CPU circuit, an encryption card circuit, a smart card circuit, a setting switch circuit, a USB circuit, a program downloading debugging port circuit and a Bluetooth module circuit, wherein the encryption card circuit, the smart card circuit, the setting switch circuit, the USB circuit, the program downloading debugging port circuit and the Bluetooth module circuit are all connected with the CPU circuit. The invention also provides a remote electric energy recharging method. The invention realizes remote card recharging and another card-free recharging without the construction of an acquisition system.

Description

Remote electric energy recharging system and method

Technical Field

The invention relates to the field of electric energy recharging equipment, in particular to a remote electric energy recharging system and method.

Background

The electricity selling system has various forms, such as an IC card electricity selling system and a remote electricity selling system. The remote electricity selling system connects the electric energy meter with the background electricity selling software through a communication network, the background electricity selling software can communicate with the electric energy meter in real time, the data query and the remote electricity selling requirements can be timely completed, and a user with the communication network can also self-service recharge by utilizing the functional software on the mobile phone. In the IC card electricity selling system, the electric energy meter and the electricity selling system are not connected with each other in real time, and the electric energy meter and the electricity selling system carry out intermittent and necessary data transmission through the IC card. The data transmission is also limited, for example, the property is off duty, even if the user performs recharging and electricity charging, the recharging and electricity charging cannot be performed autonomously in time because the user needs to physically contact the card writing device on the electricity selling card writing device of the property to perform the recharging and electricity charging.

In terms of system construction, the construction costs of the two systems are greatly different in different occasions. The local area network collected by the electric energy meter is provided with: short-distance wireless network, wired network of industrial bus Ethernet, carrier network, etc., the construction of these networks should be selected according to the specific situation of the scene, such as building distribution situation, building structure will influence the situation of wiring or wireless signal intensity, etc. Meanwhile, due to the relatively high cost of the acquisition network construction, the property management can select an IC card recharging scheme. So that contradiction occurs, the local area network part in the remote acquisition network often adopts the modes of wireless, wired, carrier wave and the like with high cost; the IC card recharging scheme has low cost, but can not realize autonomous, self-service and timely charging.

Disclosure of Invention

The invention provides a remote electric energy recharging system and a method, which realize remote card recharging without the construction of an acquisition system, so as to solve the problem that the existing IC card recharging scheme cannot realize autonomous, self-service and timely recharging; the card-free recharging is realized, but the construction of an acquisition system is not needed, so that the problem of relatively high construction cost of the acquisition system is solved.

In order to solve the technical problems, the invention adopts the following technical scheme: the remote electric energy recharging system comprises a recharging device, wherein the recharging device comprises a Bluetooth card writer, a network card writer and a Bluetooth collector, the Bluetooth card writer and the network card writer are both used for writing a card to an electric card, and the Bluetooth collector is respectively connected with an electric meter and a mobile terminal which can be in communication connection with a cloud background so as to enable the electric meter to be in indirect communication connection with the cloud background; the Bluetooth card writer is internally provided with a Bluetooth card writer circuit, and the Bluetooth card writer circuit comprises a CPU circuit, an encryption card circuit, a smart card circuit, a setting switch circuit, a USB circuit, a program downloading debugging port circuit and a Bluetooth module circuit, wherein the encryption card circuit, the smart card circuit, the setting switch circuit, the USB circuit, the program downloading debugging port circuit and the Bluetooth module circuit are all connected with the CPU circuit;

The CPU circuit comprises a chip U6, a capacitor C9, a capacitor C10, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C16, a capacitor C17, a resistor R24 and a resistor R25, wherein a 16 pin of the chip U6 is connected with the capacitor C10, a 15 pin of the chip U6 is connected with the capacitor C13, a 14 pin of the chip U6 is connected with the capacitor C11 and the capacitor C12, 11 pin and 12 pin of the chip U6 are connected with the capacitor C9, 17 pin of the chip U6 is connected with the capacitor C14, 64 pin of the chip U6 is connected with the capacitor C16, the capacitor C9, the capacitor C10, the capacitor C11, the capacitor C12 and the capacitor C13 are connected with each other and then grounded, a 47 pin of the chip U6 is connected with one end of the resistor R24, the resistor R25 and the capacitor C17, a 48 pin of the chip U6, the resistor R25 and the capacitor C17 are connected with each other and then grounded, and the other end of the resistor R24 is connected with 17 pin of the chip U6.

Further, the setting switch circuit comprises a switch K1, one end of the switch K1 is connected with the 54 pin of the chip U6, and the other end of the switch K1 is grounded.

Further, the USB circuit includes USB female seat J1, chip U2, chip U5, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C18, the resistance JP6, electric capacity JP7, the resistance R18 and resistance R19, 1 pin of USB female seat J1 all is connected with electric capacity C4 one end and electric capacity C5 one end, and connect the back ground, 2 pin of USB female seat J1 all is connected with 1 pin of chip U2 and 1 pin of chip U5, 3 pin of USB female seat J1 all is connected with 2 pin of chip U2 and 2 pin of chip U5, 4 pin of USB female seat J1 all is connected with resistance JP6 one end and resistance JP7 one end, the resistance JP6 other end all is connected with the resistance JP7 other end, the electric capacity C4 other end, the electric capacity C5 other end, electric capacity C18 one end, electric capacity C7 one end, resistance R18 one end, resistance R19 one end, 5 pin and 17 pin of chip U5 and chip U6 are connected, 3 pin of chip U2 is grounded, another pin of chip U7 is connected with the other end of chip U6, the other end is connected with the electric capacity R6 pin of U6, the other end is connected with the other end of chip U6, the other end is connected with the electric capacity R6, the other end is connected with the end of chip U6, and the other end is connected with the end of the chip U6.

Further, the program downloading debugging port circuit comprises a pin J3, a capacitor C15 and a resistor R20, wherein the 1 pin of the pin J3 is connected with the 17 pin of the chip U6, the 2 pin of the pin J3 is connected with the 13 pin of the chip U6, the 3 pin of the pin J3 is connected with one end of the capacitor C15, the other end of the capacitor C15 is grounded, the 4 pin of the pin J3 is connected with one end of the resistor R20, and the other end of the resistor R20 is connected with the 1 pin of the chip U6.

Further, the Bluetooth module circuit comprises a chip U11, a resistor R28, a resistor R32 and a light emitting diode D9, wherein the 1 pin of the chip U11 is connected with the negative electrode of the light emitting diode D9 and the 63 pin of the chip U6, the 6 pin of the chip U11 is connected with the 13 pin of the chip U6, the 7 pin of the chip U11 is connected with one end of the resistor R28, the 12 pin of the chip U11 is connected with the 61 pin of the chip U6, and the positive electrode of the light emitting diode D9 is connected with one end of the resistor R32.

Further, the Bluetooth card writer circuit further comprises a state indicating circuit, wherein the state indicating circuit comprises a resistor R1, a resistor R2, a light emitting diode D1 and a light emitting diode D2, one end of the resistor R1 is connected with a 44 pin of the chip U6, the other end of the resistor R1 is connected with the positive electrode of the light emitting diode D1, the negative electrode of the light emitting diode D1 is grounded, one end of the resistor R2 is connected with a 45 pin of the chip U6, the other end of the resistor R2 is connected with the positive electrode of the light emitting diode D2, and the negative electrode of the light emitting diode D2 is grounded.

Further, the Bluetooth card reader circuit further comprises a buzzer circuit, the buzzer circuit comprises a triode Q4, a resistor R29, a resistor R30, a resistor R31 and a buzzer B1, the base electrode of the triode Q4 is connected with one end of the resistor R31, the collector electrode of the triode Q4 is connected with one end of the resistor R29, the emitter electrode of the triode Q4 is connected with one end of the resistor R30 and is grounded after being connected, the other end of the resistor R31 and the other end of the resistor R30 are connected with a 39 pin of a chip U6, the other end of the resistor R29 is connected with one end of the buzzer B1, and the other end of the buzzer B1 is connected with a 17 pin of the chip U6.

Further, the Bluetooth card writer circuit further comprises a voltage stabilizing circuit, wherein the voltage stabilizing circuit comprises a voltage stabilizing chip U10, a capacitor C27, a capacitor C37 and a capacitor C50, a 3 pin of the voltage stabilizing chip U10 is connected with one end of the capacitor C37 and a 17 pin of the chip U6, a 2 pin of the voltage stabilizing chip U10 is connected with the positive electrode of the capacitor C27, the other end of the resistor R32, the other end of the resistor R28 and one end of the capacitor C50, and a 1 pin of the voltage stabilizing chip U10 is connected with the other end of the capacitor C37, the negative electrode of the capacitor C27 and the other end of the capacitor C50 and is grounded after connection.

A remote power recharging method using the remote power recharging system of any of the preceding claims 1-8, comprising the steps of:

A Bluetooth card writer or a network card writer or a Bluetooth collector is selected to be used in the recharging device; if a Bluetooth card writer is selected, an electric card of a user is inserted into a smart card seat of a smart card circuit to trigger a smart card switch, namely a triode Q2, and a chip U6 of a CPU circuit starts to interact with the electric card; the user uses the mobile terminal to read the data in the user electric card; the user issues a recharging command through the mobile terminal, and recharging data is written into the electric card through the Bluetooth card writer; the user inserts the electric card into the ammeter to finish recharging; if the network card writer is selected, the electric card of the user is inserted into the network card writer; the CPU on the main board circuit senses the insertion of the electric card, reads the user information in the electric card, and feeds the user information back to the cloud background through the 4G interface board circuit or the Ethernet interface board circuit; after information verification is carried out on the cloud background, user information, electricity purchasing record information of the user and electricity consumption information are sent to the network card writer and displayed on an LCD of the main board circuit; LCD displays the using state information of the user's electric card and carries on corresponding prompt; the user uses keys on the key board circuit and fills the amount to be recharged according to the prompt of the LCD, the network card writer sends the recharging request back to the cloud background, and the cloud background generates a two-dimensional code and sends the two-dimensional code to the network card writer for display; the user scans the two-dimension code through the mobile terminal, and checks the recharging amount and the corresponding user information on the mobile terminal, and clicks and confirms the recharging amount and the corresponding user information; the cloud background receives money charged by a user, and sends the charged data back to the network card writer to complete card writing operation; the user inserts the electric card into the ammeter to finish recharging; if the Bluetooth collector is selected, the user connects the mobile terminal with the Bluetooth collector, namely, the electric meter-Bluetooth collector-mobile terminal-cloud terminal background forms a communication connection chain, the user issues a recharging command through the mobile terminal, the cloud terminal background receives the recharging command, and recharging data returned by the cloud terminal reaches the electric meter from the mobile terminal-Bluetooth collector in sequence, so that recharging is completed.

Further, the prompt corresponding to the use state information of the electric card comprises: information on whether the recharging amount in the electric card is already recharged into the electric meter; if the recharging amount in the electric card is not recharged to the electric meter, the LCD prompts the user to insert the electric card into the electric meter for recharging; if the recharging amount in the electric card is charged into the electric meter, the LCD prompts that the card writing recharging can be performed.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, by setting the recharging device, a user can select the Bluetooth card writer or the network card writer or the Bluetooth collector according to requirements and conditions, and can directly write a card or recharge the card directly, so that autonomous and self-service timely charging of the IC card is realized; the invention is suitable for recharging the electric card of the unspecified user in public places. The Bluetooth card writer realizes personal self-service card remote recharging; the network card writer realizes centralized self-service card remote recharging; the Bluetooth collector realizes remote card-free recharging; but none require the construction of a remote acquisition network.

The CPU circuit, the encryption card circuit, the intelligent card circuit, the switch circuit, the USB circuit, the program downloading debugging port circuit and the Bluetooth module circuit are arranged, so that autonomous, self-service and timely charging is realized; the Bluetooth card writer provides power through the USB circuit; the user mobile phone is connected with the Bluetooth card reader through Bluetooth or USB; there are two methods of use: one is used for the electricity user to carry out remote recharging and card writing by utilizing Bluetooth; the other type is used for a power supply manager to connect a computer by using a USB and is used as a card writer (with an encryption card); the user's electric card is inserted into the smart card seat to trigger the smart card switch, and the CPU starts to interact with the smart card; the user mobile phone reads the data in the user electric card; the user issues a recharging command through the mobile phone, and the recharging data is written into the electric card through the Bluetooth card writer; the buzzer and the LED lamp perform state indication in the whole operation process; the setting switch is used for setting initial information of the Bluetooth card writer; the encryption card part circuit is unnecessary for users using electricity, is used for connecting a computer when a manager performs management functions of opening an account and selling electricity, and is used for loading an encryption card to encrypt data.

Drawings

Fig. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic diagram of a portion of a bluetooth card reader circuit according to the present invention.

Fig. 3 is a schematic diagram of another circuit part of the bluetooth card reader circuit according to the present invention.

Fig. 4 is a schematic diagram of a portion of a bluetooth collector circuit according to the present invention.

Fig. 5 is a schematic diagram of another circuit part of the bluetooth collector circuit according to the present invention.

Fig. 6 is a schematic diagram of a first circuit portion of the network card writer circuit of the present invention.

Fig. 7 is a schematic diagram of a second circuit portion of the network card writer circuit of the present invention.

Fig. 8 is a schematic diagram of a third circuit portion of the network card writer circuit of the present invention.

Fig. 9 is a schematic diagram of a fourth circuit portion of the network card writer circuit of the present invention.

Fig. 10 is a schematic diagram of a fifth circuit portion of the network card writer circuit of the present invention.

FIG. 11 is a schematic diagram of a sixth circuit portion of the network card writer circuit of the present invention.

Fig. 12 is a schematic diagram of a seventh circuit portion of the network card writer circuit of the present invention.

Fig. 13 is a schematic diagram of an eighth circuit portion of the network card writer circuit of the present invention.

Fig. 14 is a schematic diagram of a ninth circuit portion of the network card writer circuit of the present invention.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description. Referring to fig. 1 to 14, there is shown an embodiment structure selected by the present invention, which is for illustration only and is not limited by the structure in the patent application.

Example 1

A Bluetooth card writer circuit comprises a CPU circuit, an encryption card circuit, a smart card circuit, a setting switch circuit, a USB circuit, a program downloading debugging port circuit and a Bluetooth module circuit, wherein the encryption card circuit, the smart card circuit, the setting switch circuit, the USB circuit, the program downloading debugging port circuit and the Bluetooth module circuit are all connected with the CPU circuit.

As shown in fig. 2, the connection relationship of the CPU circuits is as follows: the 16 pins of the chip U6 are connected with the capacitor C10, the 15 pin of the chip U6 is connected with the capacitor C13, the 14 pin of the chip U6 is connected with the capacitor C11 and the capacitor C12, the 11 pin and the 12 pin of the chip U6 are connected with the capacitor C9, the 17 pin of the chip U6 is connected with the capacitor C14, the 64 pin of the chip U6 is connected with the capacitor C16, the capacitor C9, the capacitor C10, the capacitor C11, the capacitor C12 and the capacitor C13 are connected with the ground, the capacitor C14 and the capacitor C16 are grounded, the 47 pin of the chip U6 is connected with one end of the resistor R24, the resistor R25 and the capacitor C17, the 48 pin of the chip U6, the resistor R25 and the capacitor C17 are grounded after being connected, and the other end of the resistor R24 is connected with the 17 pin of the chip U6.

As shown in fig. 2, the connection relationship of the encryption card circuit is as follows: the emitter of triode Q1 is connected with 17 pins of chip U6, triode Q1's base is connected with resistance R3 one end, the resistance R3 other end is connected with 22 pins of chip U6, triode Q1's collecting electrode all is connected with resistance R6 one end, electric capacity C1 one end, diode module U4's 6 pins and chip U3's 4 pins, the resistance R6 other end all is connected with diode module U4's 5 pins, chip U3's 1 pins and chip U6's 21 pins, chip U3's 3 pins are connected with chip U6's 13 pins, chip U3's 5 pins all are connected with diode module U4's 3 pins, chip U6's 20 pins, chip U3's 6 pins all are connected with diode module U4's 4 pins, chip U6's 19 pins.

As shown in fig. 3, the connection relationship of the smart card circuit is as follows: the 1 pin of chip U1 is connected with resistance R7 one end, the 2 pin of chip U1 all is connected with resistance R10 one end and chip U6's 50 pin, chip U1's 3 pin all is connected with resistance R11 one end and chip U6's 49 pin, chip U1's 7 pin all is connected with resistance R8 one end, resistance R5 one end and chip U6's 51 pin, chip U1's 9 pin all is connected with resistance R9 one end and chip U6's 52 pin, chip U1's 10 pin is connected with chip U6's 13 pin, the resistance R7 other end is connected with diode D3's negative pole, the resistance R8 other end is connected with diode D4's negative pole, the resistance R9 other end is connected with diode D5's negative pole, the resistance R10 other end is connected with diode D6's negative pole, the resistance R11 other end is connected with diode D7's negative pole, the resistance R5 other end all is connected with electric capacity C2 one end and triode Q2's 51 pin, triode Q2's base is connected with resistance R4 one end, the resistance R4 other end is connected with chip U6's 53 pin, triode Q2 and electric capacity C21 and collector of chip 17 all are connected with the collector.

As shown in fig. 3, one end of the switch K1 in the switch circuit is connected to the 54 pin of the chip U6.

As shown in fig. 3, the connection relationship of the USB circuit is as follows: the 1 pin of USB female seat J1 all is connected with electric capacity C4 one end and electric capacity C5 one end, the 2 pin of USB female seat J1 all is connected with 1 pin and the 1 pin of chip U5 of chip U2, the 3 pin of USB female seat J1 all is connected with 2 pins and the 2 pin of chip U5 of chip U2, the 4 pin of USB female seat J1 all is connected with resistance JP6 one end and resistance JP7 one end, the resistance JP6 other end all is connected with the resistance JP7 other end, the electric capacity C4 other end, the electric capacity C5 other end, electric capacity C18 one end, electric capacity C7 one end, resistance R18 one end, resistance R19 one end, the 5 pins of chip U5 and the 17 pins of chip U6 are connected, the 3 pins of chip U5 are connected with 13 pins of chip U6, the 6 pins of chip U5 are connected with the resistance R18 other end, the 7 pins of chip U5 are connected with the resistance R19 other end, the 8 pins of chip U5 are connected with electric capacity C6 one end.

As shown in fig. 2, the connection relationship of the program download debug port circuit is as follows: pin 1 of pin J3 is connected with pin 17 of chip U6, pin 2 of pin J3 is connected with pin 13 of chip U6, pin 3 of pin J3 is connected with one end of capacitor C15, the other end of capacitor C15 is grounded, pin 4 of pin J3 is connected with one end of resistor R20, and the other end of resistor R20 is connected with pin 1 of chip U6.

As shown in fig. 2, the connection relationship of the bluetooth module circuit is as follows: the 1 pin of the chip U11 is connected with the cathode of the light emitting diode D9 and the 63 pin of the chip U6, the 6 pin of the chip U11 is connected with the 13 pin of the chip U6, the 7 pin of the chip U11 is connected with one end of the resistor R28, the 12 pin of the chip U11 is connected with the 61 pin of the chip U6, the anode of the light emitting diode D9 is connected with one end of the resistor R32, and the other end of the resistor R28 is connected with the other end of the resistor R32 and the 5 pin of the chip U11.

The bluetooth card writer circuit further comprises a status indication circuit, as shown in fig. 2, wherein the connection relation of the status indication circuit is as follows: one end of the resistor R1 is connected with the 44 pin of the chip U6, the other end of the resistor R2 is connected with the positive electrode of the light emitting diode D1, one end of the resistor R2 is connected with the 45 pin of the chip U6, and the other end of the resistor R2 is connected with the positive electrode of the light emitting diode D2.

The Bluetooth card writer circuit further comprises a buzzer circuit, and as shown in fig. 3, the connection relation of the buzzer circuit is as follows: the base of triode Q4 is connected with resistance R31 one end, and triode Q4's collecting electrode is connected with resistance R29 one end, and triode Q4's projecting pole is connected with resistance R30 one end, and connects the back ground, and the resistance R31 other end and the resistance R30 other end all are connected with chip U6's 39 pin, and the resistance R29 other end is connected with buzzer B1 one end, and the buzzer B1 other end is connected with chip U6's 17 pin.

The Bluetooth card writer circuit further comprises a voltage stabilizing circuit, and as shown in fig. 3, the connection relation of the voltage stabilizing circuit is as follows: the pin 3 of the voltage stabilizing chip U10 is connected with one end of a capacitor C37 and the pin 17 of a chip U6, the pin 2 of the voltage stabilizing chip U10 is connected with the positive electrode of a capacitor C27, the other end of a resistor R32, the other end of a resistor R28 and one end of a capacitor C50, and the pin 1 of the voltage stabilizing chip U10 is connected with the other end of the capacitor C37, the negative electrode of the capacitor C27 and the other end of the capacitor C50 and is grounded after being connected.

The invention also provides a remote electric energy recharging method, which comprises the following steps: a Bluetooth card writer or a network card writer or a Bluetooth collector is selected to be used in the recharging device; if a Bluetooth card writer is selected, an electric card of a user is inserted into a smart card seat of a smart card circuit to trigger a smart card switch, namely a triode Q2, and a chip U6 of a CPU circuit starts to interact with the electric card; the user uses the mobile terminal to read the data in the user electric card; the user issues a recharging command through the mobile terminal, and recharging data is written into the electric card through the Bluetooth card writer; the user inserts the electric card into the ammeter to finish recharging;

if the network card writer is selected, the electric card of the user is inserted into the network card writer; the CPU on the main board circuit senses the insertion of the electric card, reads the user information in the electric card, and feeds the user information back to the cloud background through the 4G interface board circuit or the Ethernet interface board circuit; after information verification is carried out on the cloud background, user information, electricity purchasing record information of the user and electricity consumption information are sent to the network card writer and displayed on an LCD of the main board circuit; LCD displays the using state information of the user's electric card and carries on corresponding prompt; the user uses keys on the key board circuit and fills the amount to be recharged according to the prompt of the LCD, the network card writer sends the recharging request back to the cloud background, and the cloud background generates a two-dimensional code and sends the two-dimensional code to the network card writer for display; the user scans the two-dimension code through the mobile terminal, and checks the recharging amount and the corresponding user information on the mobile terminal, and clicks and confirms the recharging amount and the corresponding user information; the cloud background receives money charged by a user, and sends the charged data back to the network card writer to complete card writing operation; the user inserts the electric card into the ammeter to finish recharging;

If the Bluetooth collector is selected, the user connects the mobile terminal with the Bluetooth collector, namely, the electric meter-Bluetooth collector-mobile terminal-cloud terminal background forms a communication connection chain, the user issues a recharging command through the mobile terminal, the cloud terminal background receives the recharging command, and recharging data returned by the cloud terminal reaches the electric meter from the mobile terminal-Bluetooth collector in sequence, so that recharging is completed.

The corresponding prompt of the using state information of the electric card comprises the following steps: information on whether the recharging amount in the electric card is already recharged into the electric meter; if the recharging amount in the electric card is not recharged to the electric meter, the LCD prompts the user to insert the electric card into the electric meter for recharging; if the recharging amount in the electric card is charged into the electric meter, the LCD prompts that the card writing recharging can be performed.

Embodiment two: embodiment two is a further optimization of embodiment one.

The Bluetooth card writer circuit further comprises another Bluetooth circuit, as shown in fig. 3, and the connection relationship of the other Bluetooth circuit is as follows: the base of triode Q3 is connected with resistance R15 one end, the resistance R15 other end is connected with the 2 pins of steady voltage chip U10, triode Q3's projecting pole all is connected with 7 pins of chip U9 and 10 pins of chip U11, triode Q3's collecting electrode all is connected with resistance R22 one end and the 29 pins of chip U6, the resistance R22 other end is connected with the 17 pins of chip U6, the 5 pins of chip U9 are connected with electric capacity C19 one end, the 6 pins of chip U9 are connected with 13 pins of chip U6, the 8 pins of chip U9 all are connected with the positive pole of diode D8 and one end of resistance R27, the 9 pins of chip U9 all are connected with one end of resistance R26 and one end of electric capacity C20, the 11 pins of chip U9 are connected with 1 pin of row needle J4, the negative pole of diode D8 is connected with 30 pins of chip U6, the other end of resistance R26 and the resistance R27 all are connected with the other end of resistance R15, the other end of electric capacity C20 is grounded.

The other Bluetooth circuit and the Bluetooth module circuit can adapt to the designs of modules of different manufacturers and can be used selectively. When in use, the Bluetooth card writer provides power through the USB circuit; the user mobile phone is connected with the Bluetooth card reader through Bluetooth or USB. There are two types of users: one is used for the electricity user to carry out remote recharging and card writing by utilizing Bluetooth or USB; the other is for the power manager to use USB to connect with the computer and be used as a card writer (with encryption card).

The electric card of the user is inserted into the intelligent card seat of the intelligent card circuit to trigger the intelligent card switch, namely the triode Q2, the contact switch of the card seat is normally closed, and the chip U6 of the CPU circuit starts to interact with the electric card; the user mobile phone reads the data in the user electric card; the user issues a recharging command through the mobile phone, and the recharging data is written into the electric card through the Bluetooth card writer; the buzzer and the LED lamp perform state indication in the whole operation process; the setting switch is used for setting initial information of the Bluetooth card writer; the encryption card circuit is unnecessary for users using electricity, and is used for connecting a computer when an administrator performs the management functions of opening an account and selling electricity, and loading the encryption card for data encryption. In summary, the user can perform autonomous charging through the invention, and the user can charge without going to the property.

Embodiment III: embodiment three is a further optimization of embodiment two.

The Bluetooth collector is internally provided with a Bluetooth collector circuit, and as shown in fig. 4 and 5, the Bluetooth collector circuit comprises a CPU second circuit, an RS485 second interface circuit, a program debugging downloading port circuit, a Bluetooth second module circuit, a buzzer second circuit, an LED state indicating second circuit and a power supply part circuit, wherein the RS485 second interface circuit, the program debugging downloading port circuit, the Bluetooth second module circuit, the buzzer second circuit, the LED state indicating second circuit and the power supply part circuit are all connected with the CPU second circuit.

As shown in fig. 4, the connection relationship of the CPU second circuit is as follows: the 16 pins of the chip U7 are connected with the capacitor C13, the 15 pin of the chip U7 is connected with the capacitor C14, the 14 pin of the chip U7 is connected with the capacitor C15 and the capacitor C17, the 11 pin and the 12 pin of the chip U7 are connected with the capacitor C18, the 17 pin of the chip U7 is connected with the capacitor C12, the 64 pin of the chip U7 is connected with the capacitor C20, the capacitor C18, the capacitor C14, the capacitor C15, the capacitor C17 and the capacitor C13 are connected with one end of the resistor R14, the resistor R16 and the capacitor C19, the 48 pin of the chip U7, the resistor R16 and the capacitor C19 are connected with one another end of the resistor R14 and the 17 pin of the chip U7, and the one end of the state key K1 is connected with the 54 pin of the chip U7.

As shown in fig. 4, the connection relationship of the RS485 second interface circuit is as follows: VCP-common terminal all with resistance R9 one end, resistance R5 one end, chip U4's 4 pin and 5 pin are connected, VCP+ common terminal all with resistance R4 one end, optocoupler U5's 4 pin, chip U4's 8 pin and resistance R8 one end are connected, RS485B common terminal all with suppressor diode D5 one end, resistance R5 other end and chip U4's 7 pin are connected, RS485A common terminal and thermistor R7 one end are connected, the thermistor R7 other end all with suppressor diode D5 other end, resistance R8 other end and chip U4's 6 pin are connected, the resistance R9 other end all with optocoupler U5's 3 pin, chip U4's 2 pin and 3 pin are connected, chip U4's 1 pin and optocoupler U3's 2 pin are connected, the resistance R4 other end and optocoupler U3's 1 pin is connected, optocoupler U3's 4 pin all with resistance R3 one end and chip U1's 31 pin is connected, the resistance R3 other end and chip U1's 17 pin is connected, optocoupler U5's 1 pin and R6 pin is connected with chip U6, chip U1's 1 pin is connected with chip U1 pin 32.

As shown in fig. 4, the connection relationship of the program debug download port circuit is as follows: pin 1 of pin J2 is connected with pin 17 of chip U7, pin 2 of pin J2 is connected with pin 13 of chip U7, pin 3 of pin J2 is connected with one end of capacitor C16, the other end of capacitor C16 is grounded, pin 4 of pin J2 is connected with one end of resistor R11, and the other end of resistor R11 is connected with pin 1 of chip U7.

As shown in fig. 5, the connection relationship of the bluetooth second module circuit is as follows: the 1 pin of chip U6 all is connected with the negative pole of emitting diode D6 and the 63 pin of chip U7, and the 6 pin of chip U6 is connected with the 13 pin of chip U7, and the 7 pin of chip U6 is connected with resistance R12 one end, and the 12 pin of chip U6 is connected with the 61 pin of chip U7, and the positive pole of emitting diode D6 is connected with resistance R10 one end, and the resistance R12 other end all is connected with resistance R10 other end, electric capacity C1 one end and chip U6's 5 pin, and electric capacity C1 other end ground connection.

As shown in fig. 5, the connection relationship of the buzzer second circuit is as follows: the base of triode Q1 is connected with resistance R15 one end, and triode Q1's collecting electrode is connected with resistance R13 one end, and triode Q1's projecting pole is connected with resistance R17 one end, and connects the back ground, and the resistance R15 other end and the resistance R17 other end all are connected with chip U7's 39 pin, and the resistance R13 other end is connected with buzzer B1 one end, and the buzzer B1 other end is connected with chip U7's 17 pin. As shown in fig. 5, the LED status indicates the connection relationship of the second circuit as follows: one end of the resistor R1 is connected with the 44 pin of the chip U7, the other end of the resistor R2 is connected with the positive electrode of the light emitting diode D1, one end of the resistor R2 is connected with the 45 pin of the chip U7, the other end of the resistor R2 is connected with the positive electrode of the light emitting diode D3, and the negative electrode of the light emitting diode D3 is grounded. As shown in fig. 5, the connection relationship of the power supply portion circuit is as follows: the pin 1 of the voltage stabilizing chip U1 is connected with the positive pole of the capacitor C2, one end of the capacitor C3 and the pin 3 of the diode bridge D2, the pin 2 of the voltage stabilizing chip U1 is connected with the pin 4 of the diode bridge D2, the negative pole of the capacitor C2, the other end of the capacitor C3, the negative pole of the capacitor C5, one end of the capacitor C4 and the VCP-voltage end, the pin 3 of the voltage stabilizing chip U1 is connected with the positive pole of the capacitor C5, the other end of the capacitor C4 and the VCP+ voltage end, the pin 1 of the voltage stabilizing chip U2 is connected with the positive pole of the capacitor C9, one end of the capacitor C7 and the pin 3 of the diode bridge D4, the pin 2 of the voltage stabilizing chip U2 is connected with the pin 4 of the diode bridge D4, the negative pole of the capacitor C9, the other end of the capacitor C7, the negative pole of the capacitor C8 and one end of the capacitor C6 and then grounded, the 3 pins of the voltage stabilizing chip U2 are connected with the positive electrode of the capacitor C8, the other end of the capacitor C6 and the VCC voltage end, the 1 pin of the diode bridge D2 is connected with the 7 pin of the transformer T1, the 2 pin of the diode bridge D2 is connected with the 6 pin of the transformer T1, the 1 pin of the diode bridge D4 is connected with the 5 pin of the transformer T1, the 2 pin of the diode bridge D4 is connected with the 4 pin of the transformer T1, the 1 pin of the transformer T1 is connected with the 2 pin of the piezoresistor RT1, the 3 pin of the transformer T1 is connected with one end of the inductor L2 and the VSS voltage end, the 3 pin of the piezoresistor RT1 is connected with the VSS voltage end, the 1 pin of the piezoresistor RT1 is connected with one end of the inductor L1 and the 220VN voltage end, the other end of the inductor L1 is connected with one end and the L end of the potentiometer VR1, and the other end of the inductor L2 is connected with the other end and the N end of the potentiometer VR 1.

Embodiment four: embodiment IV is a further optimization of embodiment III.

The network card writer is internally provided with a network card writer circuit, as shown in fig. 6 to 14, the network card writer circuit comprises a main board circuit, a 4G interface board circuit, an ethernet interface board circuit, a power board circuit, an IC card board circuit, a key board circuit and an IC card fixing board circuit, the 4G interface board circuit, the ethernet interface board circuit, the power board circuit, the IC card board circuit, the key board circuit and the IC card fixing board circuit are all connected with the main board circuit, the main board circuit comprises an MCU circuit, as shown in fig. 6, the connection relation of the MCU circuit is as follows: the 16 pin of the chip U1 is connected with the capacitor C4, the 15 pin of the chip U1 is connected with the capacitor C7, the 14 pin of the chip U1 is connected with the capacitor C5 and the capacitor C6, the 11 pin and the 12 pin of the chip U1 are connected with the capacitor C3, the 17 pin of the chip U1 is connected with the capacitor C8, the 64 pin of the chip U1 is connected with the capacitor C19, the capacitor C3, the capacitor C4, the capacitor C5, the capacitor C6 and the capacitor C7 are connected, the 47 pin of the chip U1 is connected with one end of the resistor R1, the resistor R2 and the capacitor C9, the 48 pins of the chip U1, the resistor R2 and the capacitor C9 are connected, the other end of the resistor R1 is connected with the 17 pins of the chip U1, the 1 pin of the pin header J1 is connected with the 17 pins of the chip U1, the 2 pin of the pin header J1 is connected with the 13 pins of the chip U1, the 3 pin of the pin header J1 is connected with one end of the capacitor C10, the 4 pin of the pin header J1 is connected with one end of the resistor R3, the other end of the resistor R3 is connected with the 1 pin of the chip U1, the cathode of the diode D3 is connected with the 18 pin of the chip U1 and one end of the capacitor C17, the anode of the diode D3 is connected with the anode of the battery BAT1 and one end of the resistor R11, the cathode of the battery BAT1 is connected with one end of the resistor JP1, the other end of the resistor JP1 is connected with the other end of the capacitor C17, the other end of the resistor R11 is connected with the 10 pin of the chip U1 and one end of the resistor R12, one end of the resistor R21 is connected with the 3 pin of the chip U1, the other end of the resistor R21 is connected with one end of the switch SW1, the 1 pin of the chip U15 is connected with the common point LTX, the 2 pin of the chip U15 is connected with the common point LRX, the 1 pin of the pin J19 is connected with the 34 pin of the chip U1 and one end of the resistor R13, the 2 pin of the pin J19 is connected with the 33 pin of the chip U1 and one end of the resistor R14, the 3 pin of the pin J19 is connected with the 13 pin of the chip U1, the other end of the resistor R13 is connected with the 5 pin of the pin J4 through the common point LRX, the other end of the resistor R14 is connected with the 6 pins of the pin header J4 through a common point LTX, the 1 pin, the 2 pin and the 3 pin of the pin header J4 are all connected with the 17 pin of the chip U1, the 4 pin of the pin header J4 is connected with the 28 pin of the chip U1, and the 7 pin of the pin header J4 is connected with the 27 pin of the chip U1.

The main board circuit further comprises an infrared interface circuit, as shown in fig. 7, and the connection relationship of the infrared interface circuit is as follows: the collector of the triode Q8 is grounded, the emitter of the triode Q8 is connected with the cathode of the light emitting diode D6, the anode of the light emitting diode D6 is connected with one end of a resistor R42, the other end of the resistor R42 is connected with one end of a resistor R41 and the 17 pin of a chip U1, the other end of the resistor R41 is connected with one end of a resistor R43 and the 60 pin of the chip U1, the other end of the resistor R43 is connected with the base of the triode Q8, the 1 pin of a chip U13 is connected with one end of a resistor R44 and the 59 pin of the chip U1, the other end of the resistor R44 is connected with the 17 pin of the chip U1, the 2 pin of the chip U13 is grounded after being connected with one end of a capacitor C20, the 3 pin of the chip U13 is connected with the other end of the capacitor C20 and the one end of the resistor R45, and the other end of the resistor R45 is connected with the 17 pin of the chip U1.

The main board circuit further includes a memory circuit, as shown in fig. 7, and the connection relationship of the memory circuit is as follows: the 1 pin and the 8 pin of chip U12 are all connected with the 43 pin of chip U1, the 2 pin of chip U12, 3 pin and 4 pin are connected back ground, the 5 pin of chip U12 is connected with the 37 pin of chip U1, the 6 pin of chip U12 is connected with the 36 pin of chip U1, the 7 pin of chip U12 is connected with the 13 pin of chip U1, the 1 pin of chip U2, 2 pin, 3 pin and 4 pin are connected back ground, the 5 pin of chip U2 is connected with resistance R6 one end, the 6 pin of chip U2 is connected with resistance R5 one end, the resistance R6 other end is connected with resistance R5 other end, capacitor C23 one end and the 43 pin of chip U1, the other end ground of capacitor C23 is grounded, the 7 pin of chip U2 is connected with the 13 pin of chip U1, the 8 pin of chip U2 is connected with the 43 pin of chip U1.

The main board circuit further includes a power module circuit, as shown in fig. 7, and the connection relationship of the power module circuit is as follows: pin 1 and pin 2 of pin J8 all are connected with electric capacity C14 one end, electric capacity C15 one end, electric capacity C28 one end, electric resistance R7 one end and chip U3's 5 pins, and be used for being connected with the common point +36V after connecting, the resistance R7 other end is connected with chip U3's 4 pins, chip U3's 1 pin is connected with electric capacity C1 one end, electric capacity C1 other end all is connected with diode D1's negative pole, electric capacity L1 one end and chip U3's 6 pins, chip U3's 3 pin all is connected with electric capacity R8 one end and resistance R10 one end, electric capacity L1 other end all is connected with electric capacity R9 one end, electric capacity C2 one end, electric capacity C16's positive pole, electric capacity C26's positive pole, electric capacity C27 one end, electric capacity C30 one end and chip U1's 17 pins, electric capacity R9 other end is connected with the electric resistance R8 other end, the ground after electric capacity C30 other end is connected with electric capacity C16's negative pole ground, the 3 pins and 4 pins of pin of electric capacity C8 all are connected with electric capacity C14 other end, electric capacity C28, the other end, electric capacity C2, the other end of U2, the diode is connected with the positive diode.

The main board circuit further comprises a buzzer circuit, as shown in fig. 7, and the connection relation of the buzzer circuit is as follows: the base of triode Q3 is connected with resistance R26 one end, and triode Q3's collecting electrode is connected with resistance R36 one end, and triode Q3's projecting pole is connected with resistance R35 one end, and connects the back ground, and the resistance R26 other end and the resistance R35 other end all are connected with chip U1's 46 pin, and the resistance R36 other end is connected with buzzer B1 one end, and the buzzer B1 other end is connected with chip U1's 17 pin.

The main board circuit further comprises a 4G/WLAN interface circuit, as shown in FIG. 8, and the connection relation of the 4G/WLAN interface circuit is as follows: one end of a capacitor C25, 1 pin and 2 pin of a pin J17 are connected with a common point +36V, the other end of the capacitor C25 is grounded, 3 pin and 4 pin of the pin J17 are connected with 13 pin of a chip U1, 5 pin of the pin J17 is connected with one end of a resistor JP2, the other end of the resistor JP2 is connected with 17 pin of the chip U1, 6 pin of the pin J17 is connected with one end of a resistor R55, the other end of the resistor R55 is connected with 57 pin of the chip U1, 7 pin of the pin J17 is connected with one end of a resistor R52, the other end of the resistor R52 is connected with 58 pin of the chip U1, 8 pin of the pin J17 is connected with one end of a resistor R56, the other end of the resistor R56 is connected with 45 pin of the chip U1, 9 pin of the pin J17 is connected with one end of a resistor R54, the other end of the resistor R54 is connected with 63 pin of the chip U1, 10 pin of the pin J17 is connected with one end of the resistor R51, the other end of the resistor R51 is connected with 44 pin of the chip U1, and the 12 pin of the pin J17 is connected with 54 pin of the chip U1.

The motherboard circuit further includes other interface circuits, as shown in fig. 7, and the connection relationships of the other interface circuits are as follows: one end of a resistor R57, one end of the resistor R58 and one end of the resistor R59 are respectively connected with the 17 pin of the chip U1, the other end of the resistor R57 is connected with the positive electrode of the light emitting diode D7, the other end of the resistor R58 is connected with the positive electrode of the light emitting diode D8, the other end of the resistor R59 is connected with the positive electrode of the light emitting diode D9, the negative electrode of the light emitting diode D7 is connected with the 61 pin of the chip U1, the negative electrode of the light emitting diode D8 is connected with the 62 pin of the chip U1, the negative electrode of the light emitting diode D9 is connected with the 6 pin of the chip U1, the 1 pin of the pin J5 is connected with the 17 pin of the chip U1, the 2 pin of the pin J5 is connected with the 59 pin of the chip U1, the 1 pin of the pin J5 is connected with one end of the resistor R20, the other end of the resistor R20 is connected with the 60 pin of the chip U1, and the 5 pin and the 6 pin of the pin J5 are connected with the 13 pin of the chip U1.

The main board circuit further comprises a bayonet circuit, as shown in fig. 7, and the connection relation of the bayonet circuit is as follows: the emitter of triode Q4 is connected with 17 pins of chip U1, the collector of triode Q4 all is connected with electric capacity C18 one end, resistance R4 one end, pin J2's 1 pin and 2 pins, triode Q4's base is connected with resistance R19 one end, the resistance R19 other end is connected with chip U1's 52 pins, the resistance R4 other end all is connected with chip U1's 51 pins, pin J2's 3 pins and 4 pins, pin J2's 5 pins and 6 pins all are connected with chip U1's 49 pins, pin J2's 7 pins are connected with chip U1's 53 pins, pin J2's 8 pins are connected with chip U1's 50 pins, pin J2's 9 pins and 10 pins all are connected with chip U1's 13 pins.

The main board circuit further comprises an RS485 interface circuit, and as shown in fig. 8, the connection relation of the RS485 interface circuit is as follows: pin 1 of pin J18 all is connected with the negative pole of electric capacity C21, electric capacity C22 one end, electric resistance R28 one end, electric resistance R31 one end, chip U9's 4 pins and 5 pins, pin 2 of pin J18 all is connected with electric capacity C21's positive pole, electric capacity C22 other end, electric resistance R25 one end, optical coupler U6's 4 pins, chip U9's 8 pins and electric resistance R32 one end, pin 3 of pin J18 all is connected with suppressor diode D4 one end, electric resistance R31 other end and chip U9's 7 pins, pin 4 of pin J18 and thermistor R37 one end are connected, the other end of thermistor R37 all is connected with suppressor diode D4 other end, electric resistance R32 other end and chip U9's 6 pins, the other end of resistor R28 all is connected with optical coupler U6's 3 pins, chip U9's 2 pins and 3 pins, chip U9's 1 pin and optical coupler U5's 2 pin connection, optical coupler U5's 3 pin ground, optical coupler U4 pin and chip R22 and chip U1R 24 pin connection 1, chip 24 pin connection 1U 1 and chip 17 other end and 3 pin connection, optical coupler U24 pin 1R 24.

The main board circuit further includes a key pad J10, as shown in fig. 8, 1 pin, 2 pin, 3 pin, 4 pin, 5 pin, 6 pin, 7 pin, 8 pin, 9 pin, and 10 pin of the key pad J10 are connected to 17 pin, 23 pin, 24 pin, 25 pin, 26 pin, 39 pin, 40 pin, 41 pin, 42 pin, and 13 pin of the chip U1, respectively.

The 4G interface board circuit includes a 4G module circuit, as shown in fig. 9, and the connection relationship of the 4G module circuit is as follows: the 1 pin of chip U8A is connected with resistance R40 one end, the 7 pin of chip U8A is connected with electric capacity C28 one end, electric capacity C28 other end ground connection, the 20 pin of chip U8A is connected with resistance R17 one end, the 21 pin of chip U8A is connected with resistance R26 one end, the resistance R17 other end is connected with the resistance R26 other end, the 50 pin of chip U8A, 51 pin, 52 pin, 53 pin and 54 pin are connected, the 49 pin of chip U8A is connected with resistance R39 one end and electric capacity C15 one end, the 48 pin of chip U8A is connected with electric capacity C15 other end and electric capacity C31 one end, the electric capacity R39 other end is connected with electric capacity C31 other end and antenna pedestal J9's 2 pin, the 68 pin of chip U8A is connected with electric capacity R16 one end.

The 4G interface board circuit further includes a transmit-receive interlock circuit, as shown in fig. 10, the connection relationship of the transmit-receive interlock circuit is as follows: one end of a capacitor C39 is connected with one end of a resistor R22, the other end of the capacitor C39 is grounded, the other end of the resistor R22 is connected with the collector of a triode Q1, one end of the resistor R21 is connected with the base of the triode Q1, and the emitter of the triode Q1 is connected with the 67 pin of the chip U8A.

The 4G interface board circuit further comprises a SIM card holder and a bayonet protection circuit, as shown in FIG. 10, the connection relation between the SIM card holder and the bayonet protection circuit is as follows: one end of a resistor R18 is connected with one end of a resistor R29 and 15 pins of a chip U8A, the other end of the resistor R18 is connected with 5 pins of a diode module U5, one end of the resistor R19 is connected with 16 pins of the chip U8A, the other end of the resistor R19 is connected with 4 pins of the diode module U5, 6 pins of a clamping seat JP2 and one end of a capacitor C35, one end of the resistor R20 is connected with 17 pins of the chip U8A, the other end of the resistor R20 is connected with 3 pins of the diode module U5, 5 pins of the clamping seat JP2 and one end of a capacitor C37, the other end of the resistor R29 is connected with 14 pins of the chip U8A, 6 pins of the diode module U5, 4 pins of the clamping seat JP2, one end of a capacitor C34 and one end of a capacitor C36, and 1 pin of the clamping seat JP2 is connected with one end of a capacitor C33.

The 4G interface board circuit further includes a status indication circuit, as shown in fig. 9, the connection relationship of the status indication circuit is as follows: the positive pole of LED4 is connected with resistance R30 one end, the negative pole of LED4 is connected with triode Q3's collecting electrode, the resistance R30 other end all is connected with electric capacity C40 one end, electric capacity C43 one end, electric capacity C41 one end and electric capacity C44 one end, the electric capacity C40 other end is connected with the electric capacity C43 other end, the electric capacity C41 other end is connected with the electric capacity C44 other end, triode Q3's base is connected with resistance R38 one end, the resistance R38 other end all is connected with resistance R35 one end and chip U8A's 6 pin, the resistance R35 other end is connected ground after being connected with triode Q3's projecting pole.

The 4G interface board circuit further includes a power output circuit, as shown in fig. 10, the connection relationship of the power output circuit is as follows: the 1 pin of chip U6 all is connected with resistance R2 one end, electric capacity C9 one end, electric capacity C12's positive pole and electric capacity C8 one end, the 3 pin of chip U6 is connected with the resistance R2 other end, the 2 pin of chip U6 all is connected with the electric capacity C8 other end, the electric capacity C12's negative pole, the electric capacity C9 other end, electric capacity C5 one end, electric capacity R4 one end, electric capacity C23's negative pole, electric capacity C6 one end and zener diode D8's positive pole are connected, and connect the back ground, the 5 pin of chip U6 is connected with the electric capacity C5 other end, the 4 pin of chip U6 all is connected with electric capacity C14 one end, electric capacity R7 one end and electric capacity R6 one end, the 6 pin of chip U6 is connected with the positive pole ground after being connected with diode D6, the 8 pin of chip U6 all is connected with the electric capacity C4 other end, the negative pole of diode D6 and electric capacity L1 one end are connected, the electric capacity R6 other end is connected with resistance R11 one end, the resistance R11 other end is connected with the resistance R4 other end, the electric capacity L1 all is connected with electric capacity C14, the positive pole of electric capacity R23 and the other end of electric capacity D8.

The 4G interface board circuit further comprises a pin J2, as shown in FIG. 10, the 1 pin and the 2 pin of the pin J2 are connected with the 1 pin of the chip U6, the 6 pin of the pin J2 is connected with the collector of the triode Q1, the 7 pin of the pin J2 is connected with the 68 pin of the chip U6, the 8 pin of the pin J2 is connected with the 21 pin of the chip U6, and the 10 pin of the pin J2 is connected with the 20 pin of the chip U6.

The ethernet interface board circuit includes an ethernet interface chip circuit, as shown in fig. 11, the connection relationship of the ethernet interface chip circuit is as follows: the 36 pin of the chip U1 is connected with one end of a capacitor C3, the 1 pin of the chip U1 is connected with one end of a resistor R4, the 10 pin of the chip U1 is connected with one end of the capacitor C4 and one end of a crystal oscillator X1, the 11 pin of the chip U1 is connected with one end of a capacitor C5 and the other end of the crystal oscillator X1, the 57 pin of the chip U1 is connected with one end of a resistor R57, the other end of the resistor R57 and one end of a resistor R12 are connected with a 3V3 voltage end, the other end of the resistor R12 is connected with a base electrode of a triode Q2, an emitter electrode of the triode Q2 is connected with the 58 pin of the chip U1, a collector electrode of the triode Q2 is connected with one end of a resistor R23, the other end of the resistor R23 is connected with a VCC voltage end, the LED lamp comprises a chip U1, wherein a 3-pin, a 29-pin, a 42-pin, a 45-pin, a 63-pin, a 2-pin, a 12-pin, a 17-pin and a 40-pin of the chip U1 are connected and then connected with a 3V3 voltage end, a 6-pin, a 19-pin, a 28-pin, a 43-pin, a 54-pin and a 64-pin of the chip U1 are connected and then connected with a 1V8 voltage end, the 3-pin, the 9-pin, the 13-pin, the 18-pin, the 20-pin, the 37-pin, the 41-pin, the 44-pin and the 48-pin of the chip U1 are connected and then grounded, one end of a resistor R13 is connected with a VCC voltage end, the other end of the resistor R13 is connected with the positive electrode of an LED2, and the negative electrode of the LED2 is connected with a GND common end.

The ethernet interface board circuit further includes an RJ45 jack circuit with isolation, as shown in fig. 12, and the connection relationship of the RJ45 jack circuit with isolation is as follows: the 1 pin of RJ45 socket P1 all is connected with resistance R8 one end and chip U1's 7 pin, RJ45 socket P1's 2 pin all is connected with resistance R7 one end and chip U1's 8 pin, RJ45 socket P1's 3 pin all is connected with resistance R6 one end and chip U1's 4 pin, RJ45 socket P1's 6 pin all is connected with resistance R5 one end and chip U1's 5 pin, RJ45 socket P1's 4 pin and 5 pin are connected with 3V3 voltage end after being connected, RJ45 socket P1's 8 pin ground, RJ45 socket P1's 9 pin is connected with resistance R2 one end, the resistance R2 other end is connected with 3V3 voltage end, RJ45 socket P1's 10 pin and 11 pin all are connected with chip U1's 52 pin, RJ45 socket P1's 12 pin is connected with resistance R3 one end, the resistance R3 other end is connected with 3V3 voltage end, the resistance R5 other end, the resistance R6 other end, the resistance R7 other end and the resistance R8 other end are connected with 3V3 voltage end after being connected with the other end, the capacitor C6 and the capacitor C3 end is connected with the capacitor C3 voltage end after being connected with C7 voltage end and the capacitor C7 end.

The ethernet interface board circuit further includes a filter circuit, as shown in fig. 12, and the connection relationship of the filter circuit is as follows: one end of a capacitor C8, one end of a capacitor C9, one end of a capacitor C10, one end of a capacitor C11, one end of a capacitor C22, one end of a capacitor C12, one end of a capacitor C13, one end of a capacitor C14 and one end of a capacitor C15 are connected and then connected with a 3V3 voltage end, the other end of the capacitor C8, the other end of the capacitor C9, the other end of the capacitor C10, the other end of the capacitor C11, the other end of the capacitor C22, the other end of the capacitor C12, the other end of the capacitor C13, the other end of the capacitor C14 and the other end of the capacitor C15 are connected, one end of the capacitor C16, one end of the capacitor C17, one end of the capacitor C19, one end of the capacitor C20 and one end of the capacitor C21 are connected with a 1V8 voltage end, and the other end of the capacitor C16, the other end of the capacitor C17, the other end of the capacitor C18, the other end of the capacitor C19, the other end of the capacitor C20 and the other end of the capacitor C21 are connected.

The ethernet interface board circuit further includes a power supply and a voltage stabilizing circuit, as shown in fig. 12, and the connection relationship between the power supply and the voltage stabilizing circuit is as follows: the 1 pin of the power chip U8 is connected with one end of a capacitor C40, the other end of the capacitor C40 is connected with the 6 pin of the power chip U8, the negative electrode of a diode D6 and one end of an inductor L1, the 2 pin of the power chip U8 is connected with the negative electrode of a capacitor C38, one end of a capacitor C39, one end of a resistor R18, one end of a capacitor C36, the positive electrode of the diode D6, one end of a resistor R22, one end of a capacitor C41 and the negative electrode of a capacitor C42, and then grounded, the 3 pin of the power chip U8 is connected with one end of a resistor R20 and the other end of the resistor R22, the 4 pin of the power chip U8 is connected with one end of a resistor R19, the other end of the resistor R18 and the other end of the capacitor C36, the 5 pin of the power chip U8 is connected with the common end of +12VIN, the positive electrode of the capacitor C38, the other end of the resistor C39 and the other end of the resistor R19, the other end of the inductor L1 is connected with one end of a resistor R21, one end of a capacitor C41, a VCC voltage end and the positive electrode of a capacitor C42, the other end of the resistor R21 is connected with the other end of the resistor R20, the 1 pin of the voltage stabilizing chip U3 is connected with one end of the capacitor C23, the negative electrode of the capacitor C26 and one end of the capacitor C24 and then grounded, the 2 pin of the voltage stabilizing chip U3 is connected with the positive electrode of the capacitor C26, the other end of the capacitor C24 and the 3V3 voltage end, the 3 pin of the voltage stabilizing chip U3 is connected with the other end of the capacitor C23 and the VCC voltage end, the 1 pin of the voltage stabilizing chip U2 is connected with one end of the capacitor C25, the negative electrode of the capacitor C1 and one end of the capacitor C2 and then grounded, and the 2 pin of the voltage stabilizing chip U2 is connected with the positive electrode of the capacitor C1, the other end of the capacitor C2 and the 1V8 voltage end.

The ethernet interface board circuit further includes pin J2, as shown in fig. 11, pin 1 and pin 2 of pin J2 are all connected with +12vin common terminal, pin 3 and pin 4 of pin J2 are all connected with GND common terminal, pin 6 of pin J2 is connected with the collector of triode Q2, pin 7 of pin J2 is connected with pin 57 of chip U1, pin 9 of pin J2 is connected with pin 49 of chip U1, pin 10 of pin J2 is connected with pin 36 of chip U1.

As shown in fig. 13, the connection relationship of the power supply board circuit is as follows: the pin 1 of the pin J6 is connected with one end of an inductor L1 and one end of a potentiometer VR1, the pin 2 of the pin J6 is connected with one end of an inductor L2 and the other end of the potentiometer VR1, the pin 1 of the pin J1 is connected with one end of a capacitor C7, the negative electrode of the capacitor C6, the pin 2 of a voltage stabilizing chip U1, the negative electrode of the capacitor C2, the end of the capacitor C1, the pin 4 of a diode bridge D1 and the pin 4 of the diode bridge D2, the pin 2 of the pin J1 is connected with the pin 1 of the voltage stabilizing chip U1, the other end of the capacitor C7 and the positive electrode of the capacitor C6, the pin 3 of the pin J1 is connected with the pin 2 of the pin J4, the pin 3 of the voltage stabilizing chip U1 is connected with the positive electrode of the capacitor C2, the other end of the capacitor C1, the pin 3 of the diode bridge D2 and the pin 3 of the diode bridge D2, the pin 1 and the pin 2 of the pin 3 of the pin J1 are connected with one end of the capacitor C4, the positive electrode of the capacitor C9 and the pin L5 of the inductor C9, pin 1 and pin 2 of pin J3 are connected with the other end of capacitor C4, the negative electrode of capacitor C9 and pin 4 of inductor L5, pin 1 of inductor L5 is connected with one end of capacitor C3, the positive electrode of capacitor C5 and one end of inductor L3, pin 3 of inductor L5 is connected with the other end of capacitor C3, the negative electrode of capacitor C5 and one end of inductor L4, the other end of inductor L3 is connected with one end of capacitor C8, pin 3 of diode bridge D3 and pin 3 of diode bridge D4, the other end of inductor L4 is connected with the other end of capacitor C8, pin 4 of diode bridge D3 and pin 4 of diode bridge D4, the other end of inductor L1 is connected with 220VN voltage end and pin 1 of piezoresistor RT1, the other end of inductor L2 is connected with VSS voltage end and pin 3 of transformer T1, pin 2 of piezoresistor RT1 is connected with pin 1 of transformer T1, the voltage-dependent resistor RT1 is connected with a VSS voltage end at pin 3, the transformer T1 is connected with the diode bridge D3 at pin 2, the transformer T1 is connected with the diode bridge D3 at pin 5, the transformer T1 is connected with the diode bridge D1 at pin 2, the transformer T1 is connected with the diode bridge D1 at pin 7, the diode bridge D2 is connected with the transformer T2 at pin 6, the diode bridge D4 is connected with the transformer T2 at pin 5, the diode bridge D4 is connected with the transformer T2 at pin 4, the transformer T2 at pin 1 is connected with the voltage-dependent resistor RT2 at pin 2, the transformer T2 at pin 3 is connected with the VSS voltage end, the voltage-dependent resistor RT2 at pin 1 is connected with the 220VN voltage end, and the voltage-dependent resistor RT2 at pin 3 is connected with the VSS voltage end.

As shown in fig. 14, the connection relationship of the IC card circuit is as follows: the pin 1 of the IC card chip U1 is connected with the pin 3 of the pin J2, the pin 2 of the IC card chip U1 is connected with the pin 2 of the pin J2, the pin 3 of the IC card chip U1 is connected with the pin 5 of the pin J2, the pin 7 of the IC card chip U1 is connected with the pin 6 of the pin J2, and the pin 10 of the IC card chip U1 is connected with the pin 4 of the pin J2.

As shown in fig. 14, the connection relationship of the IC card fixing board circuit is as follows: pin 1, pin 2, pin 3, pin 4, pin 5, pin 6 of pin J1 are connected with pin 11, pin 9, pin 7, pin 5, pin 3, pin 1 of pin RT1 respectively in proper order, electric capacity C1 one end and pin 2 of pin J1, electric capacity C1 other end is connected with pin 1 of pin J1 back ground, pin 2 of pin RT1 is connected with pin 3 and pin 4 of pin J2, pin 4 of pin RT1 is connected with pin 5 and pin 6 of pin J2, pin 6 of pin RT1 is connected with pin 7 of pin J2, pin 8 of pin RT1 is connected with pin 1 and pin 2 of pin J2, pin 10 of pin RT1 is connected with pin 8 of pin J2.

As shown in fig. 14, the connection relationship of the key sheet circuits is as follows: one end of a capacitor C1, one end of a capacitor C2, one end of a capacitor C3, one end of a capacitor C4, one end of a capacitor C5, one end of a capacitor C6, one end of a capacitor C7 and one end of a capacitor C8 are connected and then grounded, one end of a resistor R1, one end of a resistor R2, one end of a resistor R3, one end of a resistor R4, one end of a resistor R5, one end of a resistor R6, one end of a resistor R7 and one end of a resistor R8 are connected and then connected with a VCC voltage end, a pin 1 of a pin J1 is connected with the VCC voltage end, a pin 10 of the pin J1 is connected with a GND common end, a pin 2 of the pin J1 is connected with one end of the capacitor C1, one end of the resistor R1, one end of the switch S4, one end of the switch S14, one end of the switch S15 and one end of the switch S16, a pin 3 of the pin J1 is connected with one end of the capacitor C2, one end of the resistor R2, one end of the switch S3, one end of the switch S11, one end of the switch S12 and one end of the switch S13, pin 4 of the pin J1 is connected with the other end of the capacitor C3, the other end of the resistor R3, one end of the switch S2, one end of the switch S8, one end of the switch S9 and one end of the switch S10, pin 5 of the pin J1 is connected with the other end of the capacitor C4, the other end of the resistor R4, one end of the switch S1, one end of the switch S5, one end of the switch S6 and one end of the switch S7, pin 6 of the pin J1 is connected with the other end of the capacitor C5, the other end of the resistor R5, the other end of the switch S2, the other end of the switch S3 and the other end of the switch S4, pin 7 of the pin J1 is connected with the other end of the capacitor C6, the other end of the resistor R6, the other end of the switch S5, the other end of the switch S8, the other end of the switch S11 and the other end of the switch S14, pin 8 of the pin J1 is connected with the other end of the capacitor C7, the other end of the resistor R7, the other end of the switch S6, the other end of the switch S9, the other end of the switch S12 and the other end of the switch S15, pin 9 of the pin J1 is connected with the other end of the capacitor C8, the other end of the resistor R8, the other end of the switch S7, the other end of the switch S10, the other end of the switch S13 and the other end of the switch S16 are connected.

As shown in fig. 8, the motherboard circuit further includes a pin J16, as shown in fig. 10, the 4G interface board circuit further includes a pin J1, as shown in fig. 11, the ethernet interface board circuit further includes a pin J1, and by matching the pin J16 with two pins J1, the pin J17 in the 4G/WLAN interface circuit, the pin J2 in the 4G interface board circuit, and the pin J2 in the ethernet interface board circuit, a connector of the motherboard circuit, the 4G interface board circuit, and the ethernet interface board circuit is formed, so that connection among the three circuits is realized.

The power panel circuit is powered down by 220V alternating current through a transformer, rectified and filtered to obtain two groups of power output, one group of power output is 5V, and the other group of power output is 18V. In order to reduce the overall circuit board height while achieving sufficient supply power, two transformers are employed. The input side of the transformer is provided with a piezoresistor for resisting interference, and two groups of outputs of the transformer are mutually isolated. Wherein 18V is the main power supply, and a pi-type filtering power supply anti-interference circuit consisting of a series core inductor (L3, L4), a common mode suppression coil and a capacitor is added on the circuit. The 5V power supply is used as a power supply for RS485 communication.

The 4G interface board circuit is mainly used for 4G communication connection of the network card writer. The Ethernet interface board circuit is mainly used for network connection of the network card writer. The IC card board circuit is mainly used for connecting the IC card with the main board circuit so as to read and write data. The IC card fixing board circuit is only a structural circuit for circuit connection, and mainly connects the IC card board circuit to the main board circuit through the IC card fixing board circuit. The key board circuit is composed of a 16-bit key composed of 4*4 signal lines and is used for keys with 0-9 numbers, up, down, left, right, confirmation and neglect.

In practice, the bluetooth card writer may be a mobile charging device for a single electricity consumer; the network card writer can be arranged at a self-service place of a property office which is convenient for more electricity users to contact, or at an entrance of a building unit, etc.; the Bluetooth collector can be arranged beside the electric well total ammeter; there are various application forms according to actual demands, and the application forms are not limited to the present invention.

Claims

1. The remote electric energy recharging system is characterized by comprising a recharging device, wherein the recharging device comprises a Bluetooth card writer, a network card writer and a Bluetooth collector, the Bluetooth card writer and the network card writer are both used for writing a card to an electric card, and the Bluetooth collector is respectively connected with an electric meter and a mobile terminal which can be in communication connection with a cloud background so as to enable the electric meter to be in indirect communication connection with the cloud background;

the Bluetooth card writer is internally provided with a Bluetooth card writer circuit, and the Bluetooth card writer circuit comprises a CPU circuit, an encryption card circuit, a smart card circuit, a setting switch circuit, a USB circuit, a program downloading debugging port circuit and a Bluetooth module circuit, wherein the encryption card circuit, the smart card circuit, the setting switch circuit, the USB circuit, the program downloading debugging port circuit and the Bluetooth module circuit are all connected with the CPU circuit;

The CPU circuit comprises a chip U6, a capacitor C9, a capacitor C10, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C16, a capacitor C17, a resistor R24 and a resistor R25, wherein a pin 16 of the chip U6 is connected with the capacitor C10, a pin 15 of the chip U6 is connected with the capacitor C13, a pin 14 of the chip U6 is connected with the capacitor C11 and the capacitor C12, a pin 11 of the chip U6 is connected with the capacitor C9, a pin 17 of the chip U6 is connected with the capacitor C14, a pin 64 of the chip U6 is connected with the capacitor C16, the capacitor C9, the capacitor C10, the capacitor C11, the capacitor C12 and the capacitor C13 are grounded after being connected, a pin 47 of the chip U6 is connected with one end of the resistor R24, the resistor R25 and the capacitor C17, a pin 48 of the chip U6, the resistor R25 and the capacitor C17 are grounded after being connected, and the other end of the resistor R24 is connected with the pin 17 of the chip U6;

the USB circuit comprises a USB master J1, a chip U2, a chip U5, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C18, a resistor JP6, a resistor JP7, a resistor R18 and a resistor R19, wherein the 1 pin of the USB master J1 is connected with one end of the capacitor C4 and one end of the capacitor C5 and is grounded after being connected, the 2 pin of the USB master J1 is connected with the 1 pin of the chip U2 and the 1 pin of the chip U5, the 3 pin of the USB master J1 is connected with the 2 pin of the chip U2 and the 2 pin of the chip U5, the 4 pin of the USB master J1 is connected with one end of the resistor JP6 and one end of the resistor JP7, the other end of the resistor JP6 is connected with the other end of the resistor JP7, the other end of the capacitor C4, the other end of the capacitor C5, one end of the capacitor C18, one end of the capacitor C7, one end of the resistor R18, one end of the resistor R19, the 5 pin of the chip U5 and the 17 pin of the chip U6 are connected, the other end of the chip U2 is grounded, the other end of the 3 pin of the chip U7 is grounded, the other end of the chip U5 is connected with the other end of the chip U6, and the other end of the chip U6 is connected with the other end of the resistor R6, and the other end of the resistor U6 is connected with the end of the resistor C13;

The program downloading debugging port circuit comprises a pin J3, a capacitor C15 and a resistor R20, wherein the 1 pin of the pin J3 is connected with the 17 pin of the chip U6, the 2 pin of the pin J3 is connected with the 13 pin of the chip U6, the 3 pin of the pin J3 is connected with one end of the capacitor C15, the other end of the capacitor C15 is grounded, the 4 pin of the pin J3 is connected with one end of the resistor R20, and the other end of the resistor R20 is connected with the 1 pin of the chip U6;

the Bluetooth module circuit comprises a chip U11, a resistor R28, a resistor R32 and a light-emitting diode D9, wherein the 1 pin of the chip U11 is connected with the negative electrode of the light-emitting diode D9 and the 63 pin of the chip U6, the 6 pin of the chip U11 is connected with the 13 pin of the chip U6, the 7 pin of the chip U11 is connected with one end of the resistor R28, the 12 pin of the chip U11 is connected with the 61 pin of the chip U6, and the positive electrode of the light-emitting diode D9 is connected with one end of the resistor R32.

2. A remote power recharging system according to claim 1, wherein the switching circuit comprises a switch K1, one end of the switch K1 is connected to the 54 pin of the chip U6, and the other end is grounded.

3. The remote power recharging system of claim 1, wherein the bluetooth card writer circuit further comprises a status indication circuit, the status indication circuit comprises a resistor R1, a resistor R2, a light emitting diode D1 and a light emitting diode D2, one end of the resistor R1 is connected with a 44 pin of the chip U6, the other end is connected with an anode of the light emitting diode D1, a cathode of the light emitting diode D1 is grounded, one end of the resistor R2 is connected with a 45 pin of the chip U6, the other end is connected with an anode of the light emitting diode D2, and a cathode of the light emitting diode D2 is grounded.

4. A remote power recharging system as claimed in claim 3, wherein the bluetooth card writer circuit further comprises a buzzer circuit, the buzzer circuit comprises a triode Q4, a resistor R29, a resistor R30, a resistor R31 and a buzzer B1, a base electrode of the triode Q4 is connected with one end of the resistor R31, a collector electrode of the triode Q4 is connected with one end of the resistor R29, an emitter electrode of the triode Q4 is connected with one end of the resistor R30 and is grounded after connection, the other end of the resistor R31 and the other end of the resistor R30 are both connected with a 39 pin of the chip U6, the other end of the resistor R29 is connected with one end of the buzzer B1, and the other end of the buzzer B1 is connected with a 17 pin of the chip U6.

5. The remote power recharging system as set forth in claim 4, wherein the bluetooth card writer circuit further comprises a voltage stabilizing circuit, the voltage stabilizing circuit comprises a voltage stabilizing chip U10, a capacitor C27, a capacitor C37 and a capacitor C50, pins 3 of the voltage stabilizing chip U10 are connected with one end of the capacitor C37 and pin 17 of the chip U6, pins 2 of the voltage stabilizing chip U10 are connected with the positive electrode of the capacitor C27, the other end of the resistor R32, the other end of the resistor R28 and one end of the capacitor C50, and pins 1 of the voltage stabilizing chip U10 are connected with the other end of the capacitor C37, the negative electrode of the capacitor C27 and the other end of the capacitor C50, and are grounded after connection.

6. A method of remote power recharging, characterized in that it uses any one of the remote power recharging systems according to claims 1-5, comprising the following:

a Bluetooth card writer or a network card writer or a Bluetooth collector is selected to be used in the recharging device;

if a Bluetooth card writer is selected, an electric card of a user is inserted into a smart card seat of a smart card circuit to trigger a smart card switch, namely a triode Q2, and a chip U6 of a CPU circuit starts to interact with the electric card; the user uses the mobile terminal to read the data in the user electric card; the user issues a recharging command through the mobile terminal, and recharging data is written into the electric card through the Bluetooth card writer; the user inserts the electric card into the ammeter to finish recharging;

if the network card writer is selected, the electric card of the user is inserted into the network card writer; the CPU on the main board circuit senses the insertion of the electric card, reads the user information in the electric card, and feeds the user information back to the cloud background through the 4G interface board circuit or the Ethernet interface board circuit; after information verification is carried out on the cloud background, user information, electricity purchasing record information of the user and electricity consumption information are sent to the network card writer and displayed on an LCD of the main board circuit; LCD displays the using state information of the user's electric card and carries on corresponding prompt; the user uses keys on the key board circuit and fills the amount to be recharged according to the prompt of the LCD, the network card writer sends the recharging request back to the cloud background, and the cloud background generates a two-dimensional code and sends the two-dimensional code to the network card writer for display; the user scans the two-dimension code through the mobile terminal, and checks the recharging amount and the corresponding user information on the mobile terminal, and clicks and confirms the recharging amount and the corresponding user information; the cloud background receives money charged by a user, and sends the charged data back to the network card writer to complete card writing operation; the user inserts the electric card into the ammeter

Finishing recharging;

7. The method of claim 6, wherein the prompting corresponding to the card usage status information comprises: information on whether the recharging amount in the electric card is already recharged into the electric meter; if the recharging amount in the electric card is not recharged to the electric meter, the LCD prompts the user to insert the electric card into the electric meter for recharging; if the recharging amount in the electric card is charged into the electric meter, the LCD prompts that the card writing recharging can be performed.