CN217159353U

CN217159353U - Electric bicycle charging pile circuit with high reliability

Info

Publication number: CN217159353U
Application number: CN202220168101.XU
Authority: CN
Inventors: 熊雨佳
Original assignee: Caifan Technology Zhongshan Co ltd
Current assignee: Caifan Technology Zhongshan Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-08-09
Anticipated expiration: 2032-01-21

Abstract

The utility model provides an electric bicycle charging pile circuit with high reliability, which comprises an alternating current input circuit, an alternating current output circuit with an output end provided with a protective tube, an alternating current-to-direct current power supply circuit, a MCU main control circuit, a 4G communication module, an electric quantity detection circuit, a background management system, a card swiping circuit and a relay control circuit; the alternating current input circuit is electrically connected with the alternating current-to-direct current power supply circuit; the alternating current to direct current power supply circuit is electrically connected with the alternating current output circuit, the MCU master control circuit, the 4G communication module, the electric quantity detection circuit, the card swiping circuit and the relay control circuit; the MCU main control circuit is electrically connected with the 4G communication module, the electric quantity detection circuit, the card swiping circuit and the relay control circuit; the 4G communication module is wirelessly connected with the background management system; the alternating current output circuit is electrically connected with the electric quantity detection circuit and the relay control circuit. The utility model provides an electric bicycle that reliability is high fills electric pile circuit has that the reliability is high, the function is comprehensive and the cost is moderate, through the cooperation with backstage management system, fine solution fill electric pile operation and user's demand that uses the convenience.

Description

Electric bicycle charging pile circuit with high reliability

Technical Field

The utility model relates to a fill electric pile technical field, especially relate to an electric bicycle that reliability is high fills electric pile circuit.

Background

Electric bicycle fills electric pile generally provides two kinds of charging methods of conventional charging and quick charge, and people can use specific charging card to punch the card and use on the man-machine interaction operation interface that fills electric pile and provide. More and more electric vehicle charging piles are installed in social life to meet the living demands of people.

Fill electric pile as the product of an outdoor operation, the demand is great, and it is high to correspond the requirement reliability, and requires easy management.

Therefore, it is desirable to provide an electric bicycle charging pile circuit with high reliability to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides an electric bicycle that reliability is high fills electric pile circuit, has that the reliability is high, the function is comprehensive and the cost is moderate, through the cooperation with backstage management system, fine solution fill electric pile operation and user's demand of using the convenience.

In order to solve the technical problem, the utility model adopts a technical scheme that an electric bicycle charging pile circuit with high reliability is provided, which comprises an alternating current input circuit 1, an alternating current output circuit 2 with an output end provided with a protective tube 9, an alternating current-to-direct current power supply circuit 3, an MCU main control circuit 4, a 4G communication module 5, an electric quantity detection circuit 6, a background management system 7, a card swiping circuit 8 and a relay control circuit 10; the alternating current input circuit 1 is electrically connected with an alternating current to direct current power supply circuit 3; the alternating current to direct current power supply circuit 3 is electrically connected with the alternating current output circuit 2, the MCU main control circuit 4, the 4G communication module 5, the electric quantity detection circuit 6, the card swiping circuit 8 and the relay control circuit 10; the MCU main control circuit 4 is electrically connected with the 4G communication module 5, the electric quantity detection circuit 6, the card swiping circuit 8 and the relay control circuit 10; the 4G communication module 5 is wirelessly connected with a background management system 7; the alternating current output circuit 2 is electrically connected with the electric quantity detection circuit 6 and the relay control circuit 10.

In the embodiment, the electric bicycle charging pile circuit with high reliability further comprises a fuse detection circuit 11 with two input terminals respectively connected to two ends of a single fuse 9, and the fuse detection circuit 11 is electrically connected with the alternating current-to-direct current power supply circuit 3 and the MCU main control circuit 4.

In the embodiment, electric bicycle that the reliability is high fills electric pile circuit for two way electric bicycle that the reliability is high fills electric pile circuit.

In the embodiment, the device further comprises a voice interaction circuit 12 and a nixie tube display circuit 13 which are respectively and electrically connected with the MCU main control circuit 4, and the voice interaction circuit 12 is electrically connected with the AC-to-DC power supply circuit 3.

In an embodiment, the ac-to-dc power supply circuit 3 includes a 12V power supply circuit 31 for converting 220V commercial power into 12V dc power, a 5V power supply circuit 32 for converting 12V dc power into 5V dc power, a 4V power supply circuit 33 for converting 12V dc power into 4V dc power, and a 3.3V power supply circuit 34 for converting 12V dc power into 3.3V dc power; the 12V power circuit 31 supplies power to the AC output circuit 2; the 5V power circuit 32 supplies power to the electric quantity detection circuit 6 and the card swiping circuit 8, and the 4V power circuit 33 supplies power to the voice interaction circuit 12 and the 4G communication module 5; the 3.3V power circuit 34 supplies power to the MCU master control circuit 4.

In the embodiment, the MCU main control circuit 4 includes a single-chip microcomputer U10A with a 60-pin 32-bit ARM3 core, and a first switch key S1, a second switch key S2, a first LED lamp LED1, a first crystal oscillator CY1, a sixty-sixth resistor R66, and a thirty-fifth capacitor C35 at the periphery; a first switch key S1 is connected between the 21 st pin of the singlechip U10A and the ground wire in series, and a second switch key S2 is connected between the 22 nd pin of the singlechip U10A and the ground wire in series; a first crystal oscillator CY1 is connected between the 5 th pin and the 6 th pin of the singlechip U10A; a thirty-fifth capacitor C35 is connected between the 7 th pin of the singlechip U10A and the ground wire, the 7 th pin of the singlechip U10A is connected with the 3.3V power circuit 34 through a resistor, and a sixty-sixth resistor R66 is connected between the 60 th pin of the singlechip U10A and the ground wire in series.

In the embodiment, the 4G communication module 5 includes a 60-pin 4G communication single chip microcomputer AMIA, a sixty-three resistor R63, a ninth semiconductor diode D9, a third switch key S3, and a first NPN type triode Q1; a sixty-third resistor R63 and a ninth semiconductor diode D9 are connected between the 6 th pin of the 4G communication singlechip AMIA and the ground wire in series; the collector of the first NPN type triode Q1 and one end of the third switch key S3 are connected with the 20 th pin of the 4G communication singlechip AMIA; the emitter of the first NPN type triode Q1 and the other end of the third switch key S3 are grounded; a twenty-seventh resistor R27 is connected in series between the base electrode of the first NPN type triode Q1 and the 4 th pin of the single chip microcomputer U10A; the 49 th pin of the 4G communication singlechip AMIA is connected with a radio frequency antenna ANTI; the 16 th pin, the 17 th pin, the 42 th pin, the 43 th pin, the 29 th pin and the 30 th pin of the 4G communication singlechip AMIA are respectively electrically connected with the corresponding pins of the 4G communication singlechip AMIA to realize data exchange.

In an embodiment, the card swiping circuit 8 comprises a 10-pin internet of things SIM card J9; the 1 st foot and the 7 th foot of thing networking SIM card J9 are established ties there is the resistance between, and the 4 th foot, the 6 th foot, the 8 th foot, the 10 th foot are unloaded, and the 1 st foot, the 2 nd foot, the 3 rd foot, the 7 th foot, the 9 th foot correspond respectively the connection 4G communication singlechip AMIA 14 th foot, the 17 th foot, the 16 th foot, the 15 th foot, the 13 th foot, thing networking SIM card J9 the 5 th foot ground connection.

In the embodiment, the alternating current output circuit 2 comprises a relay 21, a manual switch K1 and a fuse 9; the output end AC L1 of the fuse is connected with a charging live wire terminal J1 and a fuse detection circuit 11, the input end AC L1' of the fuse is connected with the fuse detection circuit 11, one end of a manual switch K1, the other end of the manual switch K1 and a charging neutral wire terminal J2 are connected with an electric quantity detection circuit 6; the relay 21 is controlled by a manual switch K1, and one end of the relay 21 is connected with the +12V voltage DC output end of the AC-DC power supply circuit 3 and the cathode of the first semiconductor diode D1, and the other end is connected with the relay control circuit 10 and the anode of the first semiconductor diode D1.

In an embodiment, the fuse detection circuit 11 includes a twenty-sixth resistor R26, a twenty-seventh resistor R27, a fourth semiconductor diode D4, a sixth single-group common type photocoupler U6, and a thirty-first resistor R31; a twenty-sixth resistor R26 and a twenty-seventh resistor R27 are connected in series, one end of the resistors is connected with the output end of the protective tube 9, and the other end of the resistors is connected with the cathode of a fourth semiconductor diode D4 and the first pin of a sixth single-group common photoelectric coupler U6; the anode of the fourth semiconductor diode D4 is connected to the input terminal of the protective tube 9 and the second pin of the sixth single-group common photoelectric coupler U6, the third pin of the sixth single-group common photoelectric coupler U6 is grounded, the fourth pin is connected to the MCU main control circuit 4, and the +3.3V dc output terminal of the ac-to-dc power supply circuit 3 is connected through the thirty-one resistor R31.

The utility model has the advantages that:

(1) by adopting the 4G communication Internet of things technology, a maintenance order can be generated in a card swiping and code scanning mode;

(2) the power consumption and the fault state of the adapter can be remotely monitored and timely reported to a background management system, and the power consumption can be visually displayed;

(3) further, the fault detection and the remote monitoring of the double-insurance tube of the double-circuit electric bicycle charging pile can be realized.

Drawings

Fig. 1 is a schematic block diagram of a first preferred embodiment of the highly reliable electric bicycle charging pile circuit of the present invention;

fig. 2 is a schematic circuit diagram of a part of the ac-dc power supply circuit 3 in fig. 1;

fig. 3 is a schematic circuit structure diagram of the MCU main control circuit 4 in fig. 1;

fig. 4 is a schematic circuit structure diagram of the 4G communication module 5 in fig. 1;

FIG. 5 is a schematic circuit diagram of the card swiping circuit 8 in FIG. 1;

fig. 6 is a schematic circuit configuration diagram of the ac output circuit 2, the electric quantity detection circuit 6, and the relay control circuit 10 in fig. 1;

fig. 7 is a schematic circuit diagram of the fuse detection circuit 11 in fig. 1;

fig. 8 is a schematic circuit diagram of the nixie tube display circuit 13 in fig. 1;

fig. 9 is a schematic circuit diagram of the voice interaction circuit 12 in fig. 1.

Detailed Description

The technical solution of the present invention will be described in detail with reference to fig. 1 to 9.

The electric bicycle charging pile circuit with high reliability comprises an alternating current input circuit 1, an alternating current output circuit 2 with an output end provided with a protective tube 9, an alternating current-to-direct current power supply circuit 3, an MCU (microprogrammed control unit) main control circuit 4, a 4G communication module 5, an electric quantity detection circuit 6, a background management system 7, a card swiping circuit 8 and a relay control circuit 10; the alternating current input circuit 1 is electrically connected with an alternating current to direct current power supply circuit 3; the alternating current to direct current power supply circuit 3 is electrically connected with the alternating current output circuit 2, the MCU main control circuit 4, the 4G communication module 5, the electric quantity detection circuit 6, the card swiping circuit 8 and the relay control circuit 10; the MCU main control circuit 4 is electrically connected with the 4G communication module 5, the electric quantity detection circuit 6, the card swiping circuit 8 and the relay control circuit 10; the 4G communication module 5 is wirelessly connected with a background management system 7; the alternating current output circuit 2 is electrically connected with the electric quantity detection circuit 6 and the relay control circuit 10.

It is very obvious, the utility model discloses an electric bicycle that reliability is high fills electric pile circuit has utilized 4G internet of things, can realize that remote monitoring fills electric pile operating condition, and the accessible punches the card or sweeps the mode of sign indicating number, produces the order of charging, and is multiple functional.

The utility model discloses an in an embodiment, the electric bicycle that the reliability is high fills electric pile circuit and further includes that two input terminals connect respectively at the protective tube detection circuitry 11 at the both ends of single protective tube 9, and alternating current changes direct current power supply circuit 3 and MCU main control circuit 4 are connected to protective tube detection circuitry 11 electricity. The 4G communication module 5 can be used for remotely reporting the fault state and the fault point of the protective tube to the background management system 7, so that the remote issuing of a maintenance order is realized, and the maintenance efficiency is improved.

The utility model discloses a preferred embodiment, electric bicycle that the reliability is high fills electric pile circuit for two way electric bicycles that the reliability is high fill electric pile circuit. Of course, in other embodiments of the present invention, the electric bicycle charging pile circuit with high reliability may also be a three-way or more electric bicycle charging pile circuit, which is not limited to this, and is all within the protection scope of the present invention.

In the embodiment, the utility model discloses an electric bicycle that reliability is high fills electric pile circuit further includes the speech interaction circuit 12 and the charactron display circuit 13 of MCU main control circuit 4 are connected to the electricity respectively, and the 12 electricity of speech interaction circuit is connected and is exchanged direct current power supply circuit 3, reaches the function that realizes audio alert or pronunciation and remind to the operating condition parameter that electric pile is filled in the demonstration that can be audio-visual.

In an embodiment, the ac-to-dc power supply circuit 3 includes a 12V power supply circuit 31 for converting 220V commercial power into 12V dc power, a 5V power supply circuit 32 for converting 12V dc power into 5V dc power, a 4V power supply circuit 33 for converting 12V dc power into 4V dc power, and a 3.3V power supply circuit 34 for converting 12V dc power into 3.3V dc power; the 12V power circuit 31 supplies power to the AC output circuit 2; the 5V power circuit 32 supplies power to the electric quantity detection circuit 6 and the card swiping circuit 8, and the 4V power circuit 33 supplies power to the voice interaction circuit 12 and the 4G communication module 5; the 3.3V power circuit 34 supplies power to the MCU master control circuit 4. Therefore, required working voltage can be provided for each circuit module, and reliable operation of the circuit is guaranteed.

In an embodiment of the present invention, the MCU master control circuit 4 includes a single-chip microcomputer U10A with a 60-pin 32-bit ARM3 core, a first switch key S1, a second switch key S2, a first LED lamp LED1, a first crystal oscillator CY1, a sixty-sixth resistor R66, and a thirty-fifth capacitor C35; a first switch key S1 is connected between the 21 st pin of the singlechip U10A and the ground wire in series, and a second switch key S2 is connected between the 22 nd pin of the singlechip U10A and the ground wire in series; a first crystal oscillator CY1 is connected between the 5 th pin and the 6 th pin of the singlechip U10A; a thirty-fifth capacitor C35 is connected between the 7 th pin of the singlechip U10A and the ground wire, the 7 th pin of the singlechip U10A is connected with the 3.3V power circuit 34 through a resistor, and a sixty-sixth resistor R66 is connected between the 60 th pin of the singlechip U10A and the ground wire in series.

Specifically, the singlechip U10A has the advantages of strong intelligent degree, high operation speed and the like. All instructions are sent by the MCU master control circuit 4.

In an embodiment of the present invention, the 4G communication module 5 includes a 60-pin 4G communication single chip microcomputer AMIA, a sixty-three resistor R63, a ninth semiconductor diode D9, a third switch button S3, and a first NPN type triode Q1; a sixty-third resistor R63 and a ninth semiconductor diode D9 are connected between the 6 th pin of the 4G communication singlechip AMIA and the ground wire in series; the collector of the first NPN type triode Q1 and one end of the third switch key S3 are connected with the 20 th pin of the 4G communication singlechip AMIA; the emitter of the first NPN type triode Q1 and the other end of the third switch key S3 are grounded; a twenty-seventh resistor R27 is connected in series between the base electrode of the first NPN type triode Q1 and the 4 th pin of the single chip microcomputer U10A; the 49 th pin of the 4G communication singlechip AMIA is connected with a radio frequency antenna ANTI; the 16 th pin, the 17 th pin, the 42 th pin, the 43 th pin, the 29 th pin and the 30 th pin of the 4G communication singlechip AMIA are respectively electrically connected with the corresponding pins of the 4G communication singlechip AMIA to realize data exchange.

In an embodiment of the present invention, the card swiping circuit 8 includes a 10-pin internet of things SIM card J9; the 1 st foot and the 7 th foot of thing networking SIM card J9 are established ties there is the resistance between, and the 4 th foot, the 6 th foot, the 8 th foot, the 10 th foot are unloaded, and the 1 st foot, the 2 nd foot, the 3 rd foot, the 7 th foot, the 9 th foot correspond respectively the connection 4G communication singlechip AMIA 14 th foot, the 17 th foot, the 16 th foot, the 15 th foot, the 13 th foot, thing networking SIM card J9 the 5 th foot ground connection.

In one embodiment of the present invention, the ac output circuit 2 includes a relay 21, a manual switch K1, and a fuse 9; the output end AC L1 of the fuse is connected with a charging live wire terminal J1 and a fuse detection circuit 11, the input end AC L1' of the fuse is connected with the fuse detection circuit 11, one end of a manual switch K1, the other end of the manual switch K1 and a charging zero line terminal J2 are connected with an electric quantity detection circuit 6; the relay 21 is controlled by a manual switch K1, and one end of the relay 21 is connected with the +12V voltage DC output end of the AC-DC power supply circuit 3 and the cathode of the first semiconductor diode D1, and the other end is connected with the relay control circuit 10 and the anode of the first semiconductor diode D1. The electric quantity detection circuit 6 transmits the corresponding power and electric quantity information to the MCU main control circuit 4, the MCU main control circuit 4 transmits the electric quantity information to the background management system 7 through the 4G communication module 5 to be used as a basis for charging, and meanwhile, the MCU main control circuit 4 defines various protection states of the load according to the power condition of the load.

The two charging circuits have the same structure, and are not described in detail.

In an embodiment of the present invention, the fuse detection circuit 11 includes a twenty-sixth resistor R26, a twenty-seventh resistor R27, a fourth semiconductor diode D4, a sixth single-group common type photocoupler U6, and a thirty-first resistor R31; a twenty-sixth resistor R26 and a twenty-seventh resistor R27 are connected in series, one end of the resistor is connected with the output end of the protective tube 9, and the other end of the resistor is connected with the cathode of a fourth semiconductor diode D4 and the first pin of a sixth single-group common type photoelectric coupler U6; the anode of the fourth semiconductor diode D4 is connected to the input terminal of the protective tube 9 and the second pin of the sixth single-group common photoelectric coupler U6, the third pin of the sixth single-group common photoelectric coupler U6 is grounded, the fourth pin is connected to the MCU main control circuit 4, and the +3.3V dc output terminal of the ac-to-dc power supply circuit 3 is connected through the thirty-one resistor R31. Therefore, the MCU main control circuit 4 can report the fault information of the fuse tube to the background management system 7 through the 4G communication module 5, and the background management system 7 pushes the fault information to after-sale maintenance personnel through message notification modes such as WeChat and the like, so that the fault of the fuse tube is rapidly solved.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same principle as the protection scope of the present invention.

Claims

1. The high-reliability electric bicycle charging pile circuit is characterized by comprising an alternating current input circuit (1), an alternating current output circuit (2) with an output end provided with a protective tube (9), an alternating current-to-direct current power supply circuit (3), an MCU (microprogrammed control unit) main control circuit (4), a 4G communication module (5), an electric quantity detection circuit (6), a background management system (7), a card swiping circuit (8) and a relay control circuit (10); the alternating current input circuit (1) is electrically connected with an alternating current to direct current power circuit (3); the alternating current-to-direct current power circuit (3) is electrically connected with the alternating current output circuit (2), the MCU master control circuit (4), the 4G communication module (5), the electric quantity detection circuit (6), the card swiping circuit (8) and the relay control circuit (10); the MCU main control circuit (4) is electrically connected with the 4G communication module (5), the electric quantity detection circuit (6), the card swiping circuit (8) and the relay control circuit (10); the 4G communication module (5) is wirelessly connected with a background management system (7); the alternating current output circuit (2) is electrically connected with the electric quantity detection circuit (6) and the relay control circuit (10).

2. The electric bicycle charging pile circuit with high reliability according to claim 1, further comprising a fuse detection circuit (11) with two input terminals respectively connected to two ends of a single fuse (9), wherein the fuse detection circuit (11) is electrically connected with the alternating current-to-direct current power supply circuit (3) and the MCU main control circuit (4).

3. The electric bicycle charging pile circuit with high reliability according to claim 2, wherein the electric bicycle charging pile circuit with high reliability is a two-way electric bicycle charging pile circuit with high reliability.

4. The electric bicycle charging pile circuit with high reliability according to claim 3, further comprising a voice interaction circuit (12) and a nixie tube display circuit (13) which are respectively and electrically connected with the MCU master control circuit (4), wherein the voice interaction circuit (12) is electrically connected with the AC-to-DC power supply circuit (3).

5. The electric bicycle charging pile circuit with high reliability according to claim 4, wherein the alternating current-to-direct current power supply circuit (3) comprises a 12V power supply circuit (31) for converting 220V commercial power into 12V direct current, a 5V power supply circuit (32) for converting 12V direct current into 5V direct current, a 4V power supply circuit (33) for converting 12V direct current into 4V direct current, and a 3.3V power supply circuit (34) for converting 12V direct current into 3.3V direct current; the 12V power circuit (31) supplies power to the alternating current output circuit (2); the 5V power circuit (32) supplies power to the electric quantity detection circuit (6) and the card swiping circuit (8), and the 4V power circuit (33) supplies power to the voice interaction circuit (12) and the 4G communication module (5); the MCU main control circuit (4) is supplied with power by the 3.3V power supply circuit (34).

6. The electric bicycle charging pile circuit with high reliability as claimed in claim 5, wherein the MCU main control circuit (4) comprises a single chip microcomputer (U10A) with a 60-pin 32-bit ARM3 kernel, a first switch key (S1), a second switch key (S2), a first LED lamp (LED1), a first crystal oscillator (CY1), a sixty-six resistor (R66) and a thirty-five capacitor (C35); a first switch key (S1) is connected between the 21 st pin of the single chip microcomputer (U10A) and the ground wire in series, and a second switch key (S2) is connected between the 22 nd pin of the single chip microcomputer (U10A) and the ground wire in series; a first crystal oscillator (CY1) is connected between the 5 th pin and the 6 th pin of the single chip microcomputer (U10A); thirty-fifth capacitor (C35) is connected between the 7 th pin of the single chip microcomputer (U10A) and the ground wire, the 7 th pin of the single chip microcomputer (U10A) is connected with the 3.3V power supply circuit (34) through a resistor, and a sixty-sixth resistor (R66) is connected between the 60 th pin of the single chip microcomputer (U10A) and the ground wire in series.

7. The electric bicycle charging pile circuit with high reliability according to claim 6, wherein the 4G communication module (5) comprises a 60-pin 4G communication single chip microcomputer (AMIA), a sixty-three resistor (R63), a ninth semiconductor diode (D9), a third switch button (S3) and a first NPN type triode (Q1); a sixty-third resistor (R63) and a ninth semiconductor diode (D9) are connected in series between the 6 th pin of the 4G communication singlechip (AMIA) and the ground wire; the collector of the first NPN type triode (Q1) and one end of the third switch key (S3) are connected with the 20 th pin of the 4G communication singlechip (AMIA); the power generation electrode of the first NPN type triode (Q1) is grounded with the other end of the third switch key (S3); a twenty-seventh resistor (R27) is connected in series between the base electrode of the first NPN type triode (Q1) and the 4 th pin of the single chip microcomputer (U10A); the 49 th pin of the 4G communication singlechip (AMIA) is connected with a radio frequency Antenna (ANTI); the 16 th pin, the 17 th pin, the 42 th pin, the 43 th pin, the 29 th pin and the 30 th pin of the 4G communication singlechip (AMIA) are respectively electrically connected with the corresponding pins of the 4G communication singlechip (AMIA) to realize data exchange.

8. The electric bicycle charging pile circuit with high reliability according to claim 7, wherein the card swiping circuit (8) comprises a 10-pin Internet of things SIM card (J9); the 1 st foot and the 7 th foot of the Internet of things SIM card (J9) are connected in series with a resistor, the 4 th foot, the 6 th foot, the 8 th foot and the 10 th foot are unloaded, the 1 st foot, the 2 nd foot, the 3 rd foot, the 7 th foot and the 9 th foot are respectively connected with the 14 th foot, the 17 th foot, the 16 th foot, the 15 th foot and the 13 th foot of a 4G communication singlechip (AMIA) in a one-to-one correspondence mode, and the 5 th foot of the Internet of things SIM card (J9) is grounded.

9. The electric bicycle charging pile circuit with high reliability according to any one of claims 3 to 8, characterized in that the alternating current output circuit (2) comprises a relay (21), a manual switch (K1), a fuse tube (9); the fuse output end (AC L1) is connected with a charging live wire terminal (J1) and a fuse detection circuit (11), the fuse input end (AC L1') is connected with the fuse detection circuit (11) and one end of a manual switch (K1), and the other end of the manual switch (K1) and a charging zero line terminal (J2) are connected with a power detection circuit (6); the on-off of the relay (21) is controlled by a manual switch (K1), one end of the relay (21) is connected with a +12V voltage direct current output end of an alternating current to direct current power supply circuit (3) and a cathode of a first semiconductor diode (D1), and the other end of the relay (21) is connected with a relay control circuit (10) and an anode of a first semiconductor diode (D1).

10. The electric bicycle charging pile circuit with high reliability according to any one of claims 3 to 8, characterized in that the protective tube detection circuit (11) comprises a twenty-sixth resistor (R26), a twenty-seventh resistor (R27), a fourth semiconductor diode (D4), a sixth single-group common type photocoupler (U6) and a thirty-first resistor (R31); a twenty-sixth resistor (R26) and a twenty-seventh resistor (R27) are connected in series, one end of the resistor is connected with the output end of the protective tube (9), and the other end of the resistor is connected with the cathode of a fourth semiconductor diode (D4) and the first pin of a sixth single-group common type photoelectric coupler (U6); the anode of the fourth semiconductor diode (D4) is connected with the input end of the protective tube (9) and the second pin of the sixth single-group common photoelectric coupler (U6), the third pin of the sixth single-group common photoelectric coupler (U6) is grounded, the fourth pin is connected with the MCU main control circuit (4), and the anode of the fourth semiconductor diode is connected with the +3.3V direct current output end of the alternating current-to-direct current power supply circuit (3) through a thirty-one resistor (R31).