CN111845421A - Control device of electric bicycle charging pile - Google Patents
Control device of electric bicycle charging pile Download PDFInfo
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- CN111845421A CN111845421A CN202010742630.1A CN202010742630A CN111845421A CN 111845421 A CN111845421 A CN 111845421A CN 202010742630 A CN202010742630 A CN 202010742630A CN 111845421 A CN111845421 A CN 111845421A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
- B60L53/665—Methods related to measuring, billing or payment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a control device of an electric bicycle charging pile, which comprises a main control chip, an electric quantity metering circuit and at least two switch circuits, wherein the main control chip is provided with an electric quantity metering port and at least two output ports, the electric quantity metering circuit is connected with the main control chip through the electric quantity metering port, and each switch circuit is connected with one output port. The switch circuit can carry out on/off control on the output port on the main control chip so as to cut off the charging operation at any time in the charging process, thereby ensuring the safety in the charging process; and the electric quantity metering circuit counts the electric quantity information output by the output port so as to facilitate subsequent charging, namely, the reliability of charging is ensured.
Description
Technical Field
The invention relates to the field of electric bicycles, in particular to a control device of an electric bicycle charging pile.
Background
The electric bicycle has the advantages of no pollution to the atmosphere, labor saving, high speed, flexibility, portability, no traffic jam and the like compared with an automobile, and is suitable for people of all ages, so that the electric bicycle gradually becomes an optimal tool for people to travel and ride instead of walk. Therefore, the bicycle charging pile can be configured while a community shed is built, and at present, only a single-machine charging charger is arranged on a maintenance point of a road. There is not reliable technology to solve the technique of charging to conventional frequent charging yet, and direct and the socket connection that charges leads to charging insecure when electric bicycle charges.
Disclosure of Invention
The invention mainly aims to provide a control device of an electric bicycle charging pile, aiming at improving the charging reliability in the conventional charging process and improving the safety in the charging process.
In order to achieve the above object, the present invention provides a control device for an electric bicycle charging post, including:
the system comprises a main control chip, a power supply and a power supply, wherein the main control chip is provided with an electric quantity metering port and at least two output ports;
the electric quantity metering circuit is connected with the main control chip through the electric quantity metering port;
and each switch circuit is connected with one output port.
In an alternative embodiment, the switching circuit includes:
a first pin of the switch is connected with a first power supply, a third pin of the switch is connected with a second power supply, and a fourth pin of the switch is grounded, wherein the voltage value of the first power supply is smaller than that of the second power supply;
the first pin of the triode is connected with the output port through the first resistor, the second pin of the switch part is connected with the third pin of the triode, and the second pin of the triode is grounded;
the two ends of the diode are respectively connected to the first pin and the second pin of the switch piece;
the fourth pin of the switch is selectively connected to the third pin of the switch or the second pin of the switch to connect or disconnect the output port.
In an optional embodiment, the control device of the electric bicycle charging pile further comprises:
and the electric quantity metering circuit is connected with the electric quantity metering port through the optical coupler and is used for isolating the electric quantity metering circuit from the main control chip.
In an optional embodiment, the electric quantity metering circuit is provided with a voltage input port;
electric bicycle fills electric pile's controlling means still includes:
and the electric quantity metering power supply circuit is connected with the electric quantity metering circuit through the voltage input end and is used for converting external alternating-current voltage into direct-current voltage and transmitting the direct-current voltage to the voltage input end so as to supply power to the electric quantity metering circuit.
In an alternative embodiment, the coulometric circuit is an ADE7755 chip.
In an optional embodiment, the main control chip further has a communication port;
electric bicycle fills electric pile's controlling means still includes:
and the communication circuit is connected with the main control chip through the communication port.
In an optional embodiment, the communication ports include a SIM _ RST port, a SIM _ CLK port, a SIM _ DAT port, and a SIM _ VCC port;
the communication circuit comprises a communication chip, wherein a first pin and a ninth pin of the communication chip are grounded, a second pin and a third pin of the communication chip are both connected to the SIM _ DAT port, and a sixth pin, a seventh pin and an eighth pin of the communication chip are respectively connected to the SIM _ CLK port, the SIM _ RST port and the SIM _ VCC port;
the communication circuit comprises a second resistor, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor, wherein one end of the second resistor is connected to a second pin of the communication chip, and the other end of the second resistor is connected with the SIM _ VCC port; one end of the first capacitor is connected to the second pin of the communication chip, and the other end of the first capacitor is grounded; one ends of the second capacitor, the third capacitor and the fourth capacitor are respectively connected to an eighth pin, a seventh pin and a sixth pin of the communication chip, and the other ends of the second capacitor, the third capacitor and the fourth capacitor are all grounded.
In an optional embodiment, the main control chip further has a reset port;
electric bicycle fills electric pile's controlling means still includes:
and the reset circuit is connected with the main control chip through the reset port.
In an optional embodiment, the reset circuit includes a reset chip, a third resistor, and a fifth capacitor, a first pin of the reset chip is connected to the third power supply, a second pin of the reset chip is grounded, a third pin of the reset chip is grounded after being connected to the fifth capacitor, a fourth pin of the reset chip is connected to the reset port, wherein two ends of the third resistor are respectively connected between the first pin and the fourth pin of the reset chip.
In an alternative embodiment, the master control chip is a model M5311CM chip.
The invention provides a control device of an electric bicycle charging pile, which comprises a main control chip, an electric quantity metering circuit and at least two switch circuits, wherein the main control chip is provided with an electric quantity metering port and at least two output ports, the electric quantity metering circuit is connected with the main control chip through the electric quantity metering port, and each switch circuit is connected with one output port. The switch circuit can carry out on/off control on the output port on the main control chip so as to cut off the charging operation at any time in the charging process, thereby ensuring the safety in the charging process; and the electric quantity metering circuit counts the electric quantity information output by the output port so as to facilitate subsequent charging, namely, the reliability of charging is ensured.
Drawings
In order to more clearly illustrate the embodiments or exemplary technical solutions of the present invention, the drawings used in the embodiments or exemplary descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic circuit structure diagram of a main control chip according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electric quantity metering circuit according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a switch circuit according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electric quantity metering power supply circuit according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a communication circuit according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a reset circuit according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The control device comprises a first input end, a second output end, a third output end, a fourth output end, a fifth output end and a sixth output end, wherein the first input end is communicated with a background server, the current and the voltage of the second output end can be monitored, the second output end can be used for measuring the using state of the electric quantity of the second output end to calculate the using cost, the sixth output end can be independently activated, the fifth output end is used for activating the first output end, and the fifth output end is not electrified as shown in figures 1-6.
In one embodiment, as shown in fig. 1, the control device of the electric bicycle charging pile includes a main control chip 10, and the main control chip 10 has a power metering port P0 and at least two output ports. For example, the main control chip 10 in this embodiment has six output ports R01 to R06, but in other embodiments, the output ports on the main control chip 10 in this embodiment may also be four, eight, and the like, and are not limited herein.
Further, as shown in fig. 2 and 3, the control device of the electric bicycle charging pile further includes an electric quantity metering circuit 20 and at least two switch circuits 30, the electric quantity metering circuit 20 is connected to the main control chip 10 through the electric quantity metering port P0, each switch circuit 30 is connected to one of the output ports, wherein one of the switch circuits 30 is connected to one of the output ports, for example, in this embodiment, the main control chip 10 has six output ports, that is, the number of the switch circuits 30 is also six, and the switch circuits are respectively connected to the main control chip 10 through the output ports.
It is understood that the output port is connected to an external device to be charged, and the on/off of the output port and the external device to be charged is controlled by the switch circuit 30.
Specifically, each of the switch circuits 30 is independently controlled, that is, the six output ports R01 to R06 do not interfere with each other, and are connected to the main control chip 10 only through the switch circuit 30. For example, when the output port R01 is connected to the main control chip 10 through a switch circuit 30, and the switch circuit 30 is in a closed state, the electricity-quantity metering circuit 20 can count the electricity-quantity information output from the output port R01.
That is, in this embodiment, the electric quantity information output from each output port may be counted by the electric quantity metering circuit 20 and sent to the main control chip 10, and the main control chip 10 charges according to the received electric quantity information.
Optionally, the switch circuit 30 is in a closed state when the output port is connected to a battery of the device to be charged. When the output port is not connected to the battery of the device to be charged, or the current/voltage change of the output port is detected to be too large, or after the charging of the device to be charged is detected to be completed, or the output port is disconnected from the device to be charged, and the like, the switch circuit 30 is in a turn-off state, that is, the main control chip 10 is automatically disconnected from the device to be charged, so that the safety in the charging process is ensured.
In an embodiment of the present invention, the control device of the electric bicycle charging pile includes a main control chip 10, an electricity metering circuit 20, and at least two switch circuits 30, the main control chip 10 has an electricity metering port P0 and at least two output ports, the electricity metering circuit 20 is connected to the main control chip 10 through the electricity metering port P0, and each switch circuit 30 is connected to one of the output ports. That is, the switch circuit 30 can perform on/off control on the output port of the main control chip 10, count the electric quantity information output from the output port, and ensure the safety during the charging process.
Further, taking the output port R01 as an example, as shown in fig. 3, the switch circuit 30 includes a switch K6, a transistor Q6 and a first resistor R25, a first pin of the switch K6 is connected to a first power source V5, a third pin of the switch K6 is connected to a second power source V48, a fourth pin of the switch K6 is grounded, a voltage value of the first power source V5 is smaller than a voltage value of the second power source V48, a first pin of the transistor Q6 is connected to the output port R01 through the first resistor R25, a second pin of the switch K6 is connected to a third pin of the transistor Q6, a second pin of the transistor Q6 is grounded, and two ends of the diode D6 are respectively connected to the first pin and the second pin of the switch K6. The fourth pin of the switch K6 is selectively connected to the third pin of the switch K6 or the second pin of the switch, so as to connect or disconnect the output port R01, that is, if the fourth pin of the switch K6 is connected to the third pin of the switch K6, the switch circuit 30 is in an off state, and at this time, the output port R01 is in an off state with the device to be charged; if the fourth pin of the switch K6 is connected to the second pin of the switch K6, the switch circuit 30 is in a closed state, and at this time, the output port R01 is in a connection state with a device to be charged, that is, the main control chip 10 can charge the device to be charged.
It should be understood that the circuit structures of the switch circuits 30 are the same, that is, the circuit structures and principles of the switch circuits connected to the output ports R02 to R06 and the switch circuit connected to the output port R01 are the same, and only the names of the elements are different, which is not repeated herein.
In an alternative embodiment, the resistance value of the first resistor R25 is 1K. Of course, the above numerical values are only one practical way in the embodiment, and in other embodiments, the above numerical values may be adjusted according to specific requirements, and are not limited herein.
Further, as shown in fig. 2, the control device of the electric bicycle charging pile further includes an optical coupler Q2, and the electricity metering circuit 20 is connected to the electricity metering port P0 through the optical coupler Q2, so as to isolate the electricity metering circuit 20 from the main control chip 10.
Optionally, the electricity metering circuit 20 includes an electricity metering chip U2, and the electricity metering chip U2 is a chip of ADE7755 type.
Specifically, a first pin of the optical coupler Q2 is connected to a first power supply V5, a third pin of the optical coupler Q2 is connected to a third pin of a transistor Q3 through a resistor R16, a second pin of the transistor Q3 is grounded, a first pin of the transistor Q3 is connected to a twenty-second pin of the coulometric chip U2 through a resistor R13, one end of a resistor R15 is connected between the resistor R13 and the first pin of the transistor Q3, and the other end of the resistor R15 is grounded; the fourth pin of the optical coupler Q2 is grounded, the fifth pin of the optical coupler Q2 is connected with the electricity metering port P0, the sixth pin of the optical coupler Q2 is connected with a third power supply V33, and a resistor R17 is connected between the fifth pin and the sixth pin of the optical coupler Q2.
Furthermore, one end of each of the capacitor C30 and the capacitor C31 is connected to the first pin of the optocoupler Q2, and the other end of each of the capacitor C30 and the capacitor C31 is grounded.
Further, a thirteenth pin and a fourteenth pin of the electric-quantity metering chip U2 are both connected to the first pin of the optical coupler Q2, and a fifteenth pin, a sixteenth pin and a third pin of the electric-quantity metering chip U2 are respectively connected to the first pin of the optical coupler Q2 through a resistor R7, a resistor R2 and a resistor R4. In addition, a resistor R12 is connected between the fifteenth pin of the electricity metering chip U2 and the resistor R7 to the ground, a resistor R3 is connected between the sixteenth pin of the electricity metering chip U2 and the resistor R2 to the ground, a capacitor C6 is connected between the third pin of the electricity metering chip U2 and the resistor R4 to the ground, an eleventh pin of the electricity metering chip U2 is connected to the ground, an anode of a capacitor C5 is connected between the third pin of the electricity metering chip U2 and the capacitor C6, and a cathode of the capacitor C5 is connected to the ground.
In an alternative embodiment, the resistances of the resistor R16, the resistor R15, the resistor R13, the resistor R17, the resistor R4, the resistor R3, and the resistor R12 are 330R, 10K, 1K, 5.1R, 0R, and 0R, respectively, and the resistors R2 and R7 are NC resistors. The capacitance values of one end of the capacitors C6, C5, C30 and C31 are 100nF, 220uF, 100nF and 10uF respectively. Of course, the above numerical values are only one practical way in the embodiment, and in other embodiments, the above numerical values may be adjusted according to specific requirements, and are not limited herein.
That is, the electric quantity information can be monitored and collected by the electric quantity metering chip U2 for at least two output ports (R01-R06) of the main control chip 10.
Optionally, the type of the optical coupler Q2 is TLP2362, or in other embodiments, an optical coupler that is another type and can achieve an isolation function is adopted, and is not limited herein.
Of course, in this embodiment, the electricity metering circuit 20 further includes other circuits, such as: the crystal oscillator circuit, the antenna circuit, etc. are not described in detail herein.
Further, since the electric quantity metering circuit 20 and the main control chip 10 are isolated by the optical coupler Q2, that is, the electric quantity metering circuit 20 does not obtain a working voltage from the main control chip 10, at this time, in order to make the electric quantity metering circuit 20 work normally, as shown in fig. 4, the control device of the electric bicycle charging pile of the present embodiment further includes an electric quantity metering power supply circuit 40, the electric quantity metering circuit 20 is provided with voltage input ports II55 and VI55, and the electric quantity metering power supply circuit 40 is connected to the electric quantity metering circuit 20 through the voltage input ports II55 and VI55, and is configured to convert an external alternating voltage into a direct voltage, and transmit the direct voltage to the voltage input ports II55 and VI55 to supply power to the electric quantity metering circuit.
Referring to fig. 3, the electric-quantity metering circuit 20 has voltage input ports II55 and VI55, i.e., the fifth pin and the eighth pin of the electric-quantity metering chip U2, wherein the voltage input port VI55 is connected to a resistor R6 and a capacitor C1, respectively, the voltage input port II55 is connected to a resistor R1, one end of the capacitor C9 is connected between the resistor R1 and the fifth pin of the electric-quantity metering chip U2, and the other end of the capacitor C9 is grounded.
In an alternative embodiment, the values of the resistor R1, the resistor R6, the capacitor C1 and the capacitor C9 are 1K, 33nF and 33nF, respectively. Of course, the above numerical values are only one practical way in the embodiment, and in other embodiments, the above numerical values may be adjusted according to specific requirements, and are not limited herein.
Specifically, the electricity metering and supplying circuit 40 is configured to step down an AC voltage input by an AC power source and convert the AC voltage into a dc voltage, and input the dc voltage to the voltage input ports II55 and VI55 through an output end of the electricity metering and supplying circuit 40 to supply power to the electricity metering circuit 20, so as to ensure normal operation of the electricity metering circuit 20.
It is understood that the electricity metering supply circuit 40 in the present embodiment is a conventional dc power supply circuit, that is, in other embodiments, as long as it can output a dc voltage sufficient for supporting the electricity metering circuit 20 to operate, and the specific circuit implementation is not limited in the present embodiment.
Further, as shown in fig. 5, the main control chip 10 further has a communication port, wherein the control device of the electric bicycle charging pile further includes a communication circuit 50, and the communication circuit 50 is connected to the main control chip 10 through the communication port.
Specifically, as shown in fig. 1, the communication ports include a SIM _ RST port, a SIM _ CLK port, a SIM _ DAT port and a SIM _ VCC port, the communication circuit 50 includes a communication chip U4, a first pin and a ninth pin of the communication chip U4 are grounded, a second pin and a third pin of the communication chip U4 are both connected to the SIM _ DAT port, and a sixth pin, a seventh pin and an eighth pin of the communication chip U4 are connected to the SIM _ CLK port, the SIM _ RST port and the SIM _ VCC port, respectively.
The communication circuit 50 comprises a second resistor R38, a first capacitor C29, a second capacitor C17, a third capacitor C27 and a fourth capacitor C28, wherein one end of the second resistor R28 is connected to a second pin of the U4 chip of the communication chip, and the other end of the second resistor R28 is connected to the SIM _ VCC port; one end of the first capacitor C29 is connected to the second pin of the communication chip U4, and the other end of the first capacitor C29 is grounded; one end of the second capacitor C17, one end of the third capacitor C27, and one end of the fourth capacitor C28 are respectively connected to an eighth pin, a seventh pin, and a sixth pin of the communication chip, and the other end of the second capacitor C17, the other end of the third capacitor C27, and the other end of the fourth capacitor C28 are all grounded. That is, the communication circuit 50 is used to provide a wireless communication function for a communication provider and help establish GPRS data update transmission, for example, the communication chip U4 provides a transmission channel for the control module to provide parameters and instructions to connect to a data back-office center, and the like, which is not limited herein.
In an alternative embodiment, the values of the second resistor R38, the first capacitor C29, the second capacitor C17, the third capacitor C27 and the fourth capacitor C28 are 10K, 33pF, 100nF, 33pF and 33pF, respectively. Of course, the above numerical values are only one practical way in the embodiment, and in other embodiments, the above numerical values may be adjusted according to specific requirements, and are not limited herein.
Further, as shown in fig. 6, the main control chip 10 further has a reset port PON, the control device of the electric bicycle charging pile further includes a reset circuit 60, and the reset circuit 60 is connected to the main control chip 10 through the reset port PON.
Specifically, as shown in fig. 1, the reset circuit 60 includes a reset chip U5, a third resistor R33, and a fifth capacitor C20, a first pin of the reset chip U5 is connected to a third power supply V33, a second pin of the reset chip U5 is grounded, a third pin of the reset chip U5 is grounded after being connected to the fifth capacitor C20, a fourth pin of the reset chip U5 is connected to the reset port PON, wherein two ends of the third resistor R33 are respectively connected between the first pin and the fourth pin of the reset chip U5. Namely, the reset circuit 60 is used for controlling the main control chip 10 to perform a reset operation.
Optionally, the reset chip U5 is a chip of the type xc6119n21 nor-g.
In an alternative embodiment, the values of the third resistor R33 and the fifth capacitor C20 are 100K and 1nF, respectively. Of course, the above numerical values are only one practical way in the embodiment, and in other embodiments, the above numerical values may be adjusted according to specific requirements, and are not limited herein.
Based on the above description, the main control chip 10 adopts a chip of model M5311 CM. Of course, in other embodiments, the main control chip 10 may also select other types of chips according to specific requirements, which is not limited herein.
In an embodiment of the present invention, the control device of the electric bicycle charging pile includes a main control chip 10, an electricity metering circuit 20, and at least two switch circuits 30, the main control chip 10 has an electricity metering port P0 and at least two output ports, the electricity metering circuit 20 is connected to the main control chip 10 through the electricity metering port P0, and each switch circuit 30 is connected to one of the output ports. That is, the switch circuit 30 can perform on/off control on the output port of the main control chip 10, so that the charging operation can be disconnected at any time during the charging process, thereby ensuring the safety during the charging process; and the electric quantity information output from the output port is counted by the electric quantity metering circuit 20, so that the subsequent charging is facilitated, and the reliability of the charging is ensured.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the specification and the drawings, or any other related technical fields directly or indirectly applied thereto under the conception of the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides an electric bicycle fills controlling means of electric pile which characterized in that, electric bicycle fills electric pile's controlling means includes:
the system comprises a main control chip, a power supply and a power supply, wherein the main control chip is provided with an electric quantity metering port and at least two output ports;
the electric quantity metering circuit is connected with the main control chip through the electric quantity metering port;
and each switch circuit is connected with one output port.
2. The control device for the electric bicycle charging post according to claim 1, wherein the switching circuit comprises:
a first pin of the switch is connected with a first power supply, a third pin of the switch is connected with a second power supply, and a fourth pin of the switch is grounded, wherein the voltage value of the first power supply is smaller than that of the second power supply;
the first pin of the triode is connected with the output port through the first resistor, the second pin of the switch part is connected with the third pin of the triode, and the second pin of the triode is grounded;
the two ends of the diode are respectively connected to the first pin and the second pin of the switch piece;
the fourth pin of the switch is selectively connected to the third pin of the switch or the second pin of the switch to connect or disconnect the output port.
3. The control device for the electric bicycle charging post according to claim 1, further comprising:
and the electric quantity metering circuit is connected with the electric quantity metering port through the optical coupler and is used for isolating the electric quantity metering circuit from the main control chip.
4. The control device for the electric bicycle charging pile according to claim 3, wherein the electric quantity metering circuit is provided with a voltage input port;
electric bicycle fills electric pile's controlling means still includes:
and the electric quantity metering power supply circuit is connected with the electric quantity metering circuit through the voltage input end and is used for converting external alternating-current voltage into direct-current voltage and transmitting the direct-current voltage to the voltage input end so as to supply power to the electric quantity metering circuit.
5. The control device for the electric bicycle charging post according to claim 4, wherein the electric quantity measuring circuit is a chip of ADE7755 type.
6. The control device for the electric bicycle charging pile according to claim 1, wherein the main control chip is further provided with a communication port;
electric bicycle fills electric pile's controlling means still includes:
and the communication circuit is connected with the main control chip through the communication port.
7. The control device for the electric bicycle charging post according to claim 6, wherein the communication port comprises a SIM _ RST port, a SIM _ CLK port, a SIM _ DAT port and a SIM _ VCC port;
the communication circuit comprises a communication chip, wherein a first pin and a ninth pin of the communication chip are grounded, a second pin and a third pin of the communication chip are both connected to the SIM _ DAT port, and a sixth pin, a seventh pin and an eighth pin of the communication chip are respectively connected to the SIM _ CLK port, the SIM _ RST port and the SIM _ VCC port;
the communication circuit comprises a second resistor, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor, wherein one end of the second resistor is connected to a second pin of the communication chip, and the other end of the second resistor is connected with the SIM _ VCC port; one end of the first capacitor is connected to the second pin of the communication chip, and the other end of the first capacitor is grounded; one ends of the second capacitor, the third capacitor and the fourth capacitor are respectively connected to an eighth pin, a seventh pin and a sixth pin of the communication chip, and the other ends of the second capacitor, the third capacitor and the fourth capacitor are all grounded.
8. The control device for the electric bicycle charging pile according to claim 1, wherein the main control chip is further provided with a reset port;
electric bicycle fills electric pile's controlling means still includes:
and the reset circuit is connected with the main control chip through the reset port.
9. The control device of the electric bicycle charging pile according to claim 8, wherein the reset circuit comprises a reset chip, a third resistor and a fifth capacitor, a first pin of the reset chip is connected with a third power supply, a second pin of the reset chip is grounded, a third pin of the reset chip is grounded after being connected with the fifth capacitor, a fourth pin of the reset chip is connected with the reset port, and two ends of the third resistor are respectively connected between the first pin and the fourth pin of the reset chip.
10. The control device for the electric bicycle charging pile according to any one of claims 1 to 9, wherein the main control chip is a chip of type M5311 CM.
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| CN202010742630.1A CN111845421A (en) | 2020-07-28 | 2020-07-28 | Control device of electric bicycle charging pile |
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| CN202010742630.1A CN111845421A (en) | 2020-07-28 | 2020-07-28 | Control device of electric bicycle charging pile |
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Application publication date: 20201030 |