CN113162134A - Controller circuit for direct current charging pile - Google Patents
Controller circuit for direct current charging pile Download PDFInfo
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- CN113162134A CN113162134A CN202110158074.8A CN202110158074A CN113162134A CN 113162134 A CN113162134 A CN 113162134A CN 202110158074 A CN202110158074 A CN 202110158074A CN 113162134 A CN113162134 A CN 113162134A
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- 239000003990 capacitor Substances 0.000 claims description 153
- 239000011324 bead Substances 0.000 claims description 18
- 238000004088 simulation Methods 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 7
- 230000003993 interaction Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000006855 networking Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 11
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
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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
- B60L53/10—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 characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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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
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
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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
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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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
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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
- Y02T90/14—Plug-in electric vehicles
-
- 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 discloses a controller circuit for a direct current charging pile, which comprises a PCB (printed circuit board), a power supply control circuit, a CPU (central processing unit) control circuit, a data acquisition circuit, an input and output circuit and a communication circuit. The main board is integrated with 8-path input, 15-path output, 6-path analog quantity, 9-path communication, 2-path insulation detection, 2-path control guidance and 1-path working power supply, the main board finishes charging interaction with a BMS (battery management system), and sends a charging demand to a charger, so that the charging state of the charger is controlled, the running data of the charger is collected, and the charger automatically stops in an abnormal state; the charging gun electric lock control and temperature detection are provided, and the detection and control of each charging gun work independently, so that the control and detection effects can be effectively improved, and the accuracy is higher; the system and the method have the advantages that the human-computer interaction and card swiping functions are completed, and the functions of charging control, networking, card swiping, charging, displaying, metering, collecting and the like of the direct-current charging pile are achieved.
Description
Technical Field
The invention relates to the technical field of direct current charging piles, in particular to a controller circuit for a direct current charging pile.
Background
The charging pile has the function similar to an oiling machine in a gas station, can be fixed on the ground or on the wall, is installed in public buildings (public buildings, markets, public parking lots and the like) and residential district parking lots or charging stations, and can charge various types of electric vehicles according to different voltage grades. Fill electric pile (bolt) and can divide into according to the charging mode: direct current fills electric pile (bolt), alternating current fills electric pile (bolt) and alternating current-direct current integrative filling electric pile (bolt). The direct current charging is commonly called as 'quick charging', a special charging pile is needed, the charging voltage reaches about 380V of three-phase alternating current, and a power supply device for providing a direct current power supply for a power battery of the off-board electric automobile is provided. The direct current rapid charging pile is fixedly installed outside the electric automobile and connected with an alternating current power grid, can provide a power supply device of a direct current power supply for a power battery of a non-vehicle electric automobile, can provide enough power for direct current charging, has large output voltage and current adjusting range, and can meet the requirement of rapid charging.
The controller circuit of the existing direct current charging pile is poor in control and detection effects and poor in accuracy.
Disclosure of Invention
The present invention is directed to a controller circuit for a dc charging pile, so as to solve the problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a controller circuit for direct current fills electric pile, includes the PCB board, be equipped with power control circuit, CPU control circuit, data acquisition circuit on the PCB board, open into and out circuit and communication circuit, power control circuit the data acquisition circuit open into and out the circuit with communication circuit equally divide do not with CPU control circuit electric connection.
Furthermore, the data acquisition circuit includes first paster magnetic bead, first diode, second paster magnetic bead and second diode, first paster magnetic bead with first diode is established ties, first diode with second paster magnetic bead establishes ties, the second diode is parallelly connected in first paster magnetic bead, first diode with the second paster magnetic bead outside, second diode one end ground connection.
Furthermore, the data acquisition circuit further comprises a first amplifier, a first analog photoelectric coupler, a second amplifier, a second analog photoelectric coupler and a first capacitor, wherein the first amplifier is connected with the second amplifier in series, the first analog photoelectric coupler is connected with the second amplifier in parallel, the second amplifier is connected with the second analog photoelectric coupler in series, and the first capacitor is connected with the second amplifier and the outer side of the second analog photoelectric coupler in parallel.
Further, the data acquisition circuit further comprises a third amplifier, a third analog photoelectric coupler, a second capacitor, a seventeenth capacitor and an eighteenth capacitor, wherein the third amplifier is connected with the third analog photoelectric coupler in series, the third analog photoelectric coupler is connected with the second capacitor and the eighteenth capacitor in parallel, the seventeenth capacitor is connected with the eighteenth capacitor in parallel, and the third amplifier, the seventeenth capacitor and the eighteenth capacitor are respectively grounded.
Furthermore, the circuit of opening into and opening out includes triode, third diode and relay, the triode with the third diode is established ties, the third diode with the relay is parallelly connected, the circuit of opening into and opening out still includes first resistance, optical coupler and second resistance, first resistance, optical coupler with the second resistance is established ties.
Further, the communication circuit includes a power module, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, and a third resistor, the third capacitor and the fourth capacitor are connected in parallel with the power module, the fifth capacitor is connected in parallel with the third capacitor, the sixth capacitor is connected in parallel with the fourth capacitor, and the third resistor is connected in parallel with the sixth capacitor.
Further, the communication circuit further includes a boost converter, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, a fourth diode, a fifth diode, a fourth resistor, a fifth resistor, and an inductor, the boost converter is in series with the inductor, the boost converter is in series with the seventh capacitor, the inductor is connected in parallel with the seventh capacitor, the inductor is connected in parallel with the fourth diode, the fourth diode, the fourth resistor, and the boost converter are connected in series, the eighth capacitor is connected in parallel with the fourth resistor, the boost converter is connected in series with the fifth resistor, which is connected in parallel with the eighth capacitor, the ninth capacitor is connected in parallel with the fifth resistor, the tenth capacitor is connected in parallel with the ninth capacitor, and the fifth diode is connected in parallel with the tenth capacitor.
Further, the communication circuit further comprises a digital isolator, an eleventh capacitor and a twelfth capacitor, wherein the eleventh capacitor and the twelfth capacitor are respectively connected with the digital isolator in parallel, and the eleventh capacitor and the twelfth capacitor are respectively grounded.
Further, the communication circuit further includes a line transceiver, a thirteenth capacitor, a sixth resistor, and a sixth diode, where the line transceiver is connected in series with the thirteenth capacitor, the line transceiver is connected in series with the sixth resistor, the sixth diode is connected in parallel with the sixth resistor, and the line transceiver, the thirteenth capacitor, and the sixth diode are grounded respectively.
Further, the communication circuit further includes a first logic integrated chip, a fourteenth capacitor, a seventh resistor, and an eighth resistor, where the fourteenth capacitor, the seventh resistor, and the eighth resistor are respectively connected in series with the first logic integrated chip, the seventh resistor and the eighth resistor are connected in parallel, and the first logic integrated chip and the fourteenth capacitor are respectively grounded; the communication circuit further includes a receiver, a connector, a seventh diode, a fifteenth capacitor, a ninth resistor, a tenth resistor, and an eleventh resistor, the fifteenth capacitor being connected in series with the connector, the seventh diode being connected in series with the connector, the connector being connected in parallel with the seventh diode, the ninth resistor being connected in parallel with the seventh diode, the tenth resistor being connected in series with the connector, the eleventh resistor being connected in parallel with the tenth resistor; the communication circuit further comprises a second logic integrated chip, a sixteenth capacitor and a twelfth resistor, wherein the sixteenth capacitor and the twelfth resistor are respectively connected with the second logic integrated chip in series, and the sixteenth capacitor and the second logic integrated chip are respectively grounded.
Compared with the prior art, the invention has the following beneficial effects:
1. the main board is integrated with 8-path input, 15-path output, 6-path analog quantity, 9-path communication, 2-path insulation detection, 2-path control guidance and 1-path working power supply, the main board finishes charging interaction with a BMS (battery management system), and sends a charging demand to a charger, so that the charging state of the charger is controlled, the running data of the charger is collected, and the charger automatically stops in an abnormal state; the charging gun electric lock control and temperature detection are provided, and the detection and control of each charging gun work independently, so that the control and detection effects can be effectively improved, and the accuracy is higher; the system and the method have the advantages that the human-computer interaction and card swiping functions are completed, and the functions of charging control, networking, card swiping, charging, displaying, metering, collecting and the like of the direct-current charging pile are achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a first schematic diagram of the circuit connection of the power control circuit of the present invention;
FIG. 2 is a second schematic circuit diagram of the power control circuit of the present invention;
FIG. 3 is a third schematic diagram of the circuit connection of the power control circuit of the present invention;
FIG. 4 is a first schematic diagram of the circuit connection of the CPU control circuit of the present invention;
FIG. 5 is a second schematic diagram of the circuit connection of the CPU control circuit of the present invention;
FIG. 6 is a third schematic diagram of the circuit connection of the CPU control circuit of the present invention;
FIG. 7 is a schematic diagram of the electrical connections of the data acquisition circuit of the present invention;
FIG. 8 is a schematic circuit connection diagram of the open-in and open-out circuit of the present invention;
FIG. 9 is a first schematic diagram of a portion of the circuit connections of the communication circuit of the present invention;
FIG. 10 is a second schematic circuit diagram of a portion of the communication circuit of the present invention;
FIG. 11 is a third schematic diagram of a portion of the circuit connections of the communication circuit of the present invention;
FIG. 12 is a schematic view of a PCB in the present invention;
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.
Referring to fig. 1-12, the present invention provides the following technical solutions: the utility model provides a controller circuit for direct current fills electric pile, includes the PCB board, be equipped with power control circuit, CPU control circuit, data acquisition circuit on the PCB board, open into and out circuit and communication circuit, power control circuit the data acquisition circuit open into and out the circuit with communication circuit equally divide do not with CPU control circuit electric connection.
The data acquisition circuit comprises a first paster magnetic bead, a first diode, a second paster magnetic bead and a second diode, wherein the first paster magnetic bead is connected with the first diode in series, the first diode is connected with the second paster magnetic bead in series, the second diode is connected with the first paster magnetic bead in parallel, the first diode is connected with the outer side of the second paster magnetic bead, and one end of the second diode is grounded.
The data acquisition circuit further comprises a first amplifier, a first simulation photoelectric coupler, a second amplifier, a second simulation photoelectric coupler and a first capacitor, wherein the first amplifier is connected with the second amplifier in series, the first simulation photoelectric coupler is connected with the second amplifier in parallel, the second amplifier is connected with the second simulation photoelectric coupler in series, and the first capacitor is connected with the second amplifier in parallel and outside the second simulation photoelectric coupler.
The data acquisition circuit further comprises a third amplifier, a third analog photoelectric coupler, a second capacitor, a seventeenth capacitor and an eighteenth capacitor, wherein the third amplifier is connected with the third analog photoelectric coupler in series, the third analog photoelectric coupler is connected with the second capacitor and the eighteenth capacitor in parallel, the seventeenth capacitor is connected with the eighteenth capacitor in parallel, and the third amplifier, the seventeenth capacitor and the eighteenth capacitor are respectively grounded.
The opening and opening circuit comprises a triode, a third diode and a relay, wherein the triode is connected with the third diode in series, the third diode is connected with the relay in parallel, the opening and opening circuit further comprises a first resistor, an optical coupler and a second resistor, and the first resistor, the optical coupler and the second resistor are connected in series.
The communication circuit comprises a power supply module, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor and a third resistor, wherein the third capacitor and the fourth capacitor are connected with the power supply module in parallel, the fifth capacitor is connected with the third capacitor in parallel, the sixth capacitor is connected with the fourth capacitor in parallel, and the third resistor is connected with the sixth capacitor in parallel.
The communication circuit further includes a boost converter, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, a fourth diode, a fifth diode, a fourth resistor, a fifth resistor, and an inductor, the boost converter is in series with the inductor, the boost converter is in series with the seventh capacitor, the inductor is connected in parallel with the seventh capacitor, the inductor is connected in parallel with the fourth diode, the fourth diode, the fourth resistor, and the boost converter are connected in series, the eighth capacitor is connected in parallel with the fourth resistor, the boost converter is connected in series with the fifth resistor, which is connected in parallel with the eighth capacitor, the ninth capacitor is connected in parallel with the fifth resistor, the tenth capacitor is connected in parallel with the ninth capacitor, and the fifth diode is connected in parallel with the tenth capacitor.
The communication circuit further comprises a digital isolator, an eleventh capacitor and a twelfth capacitor, wherein the eleventh capacitor and the twelfth capacitor are respectively connected with the digital isolator in parallel, and the eleventh capacitor and the twelfth capacitor are respectively grounded.
The communication circuit further comprises a line transceiver, a thirteenth capacitor, a sixth resistor and a sixth diode, wherein the line transceiver is connected with the thirteenth capacitor in series, the line transceiver is connected with the sixth resistor in series, the sixth diode is connected with the sixth resistor in parallel, and the line transceiver, the thirteenth capacitor and the sixth diode are respectively grounded.
The communication circuit further comprises a first logic integrated chip, a fourteenth capacitor, a seventh resistor and an eighth resistor, wherein the fourteenth capacitor, the seventh resistor and the eighth resistor are respectively connected with the first logic integrated chip in series, the seventh resistor and the eighth resistor are connected in parallel, and the first logic integrated chip and the fourteenth capacitor are respectively grounded; the communication circuit further includes a receiver, a connector, a seventh diode, a fifteenth capacitor, a ninth resistor, a tenth resistor, and an eleventh resistor, the fifteenth capacitor being connected in series with the connector, the seventh diode being connected in series with the connector, the connector being connected in parallel with the seventh diode, the ninth resistor being connected in parallel with the seventh diode, the tenth resistor being connected in series with the connector, the eleventh resistor being connected in parallel with the tenth resistor; the communication circuit further comprises a second logic integrated chip, a sixteenth capacitor and a twelfth resistor, wherein the sixteenth capacitor and the twelfth resistor are respectively connected with the second logic integrated chip in series, and the sixteenth capacitor and the second logic integrated chip are respectively grounded.
The specific implementation mode is as follows: the power control circuit adopts an isolated flyback power topological structure, supplies power to internal components, realizes short circuit detection and adhesion detection in a manner of open detection, the CPU control circuit comprehensively controls the whole and ensures normal input and output of communication signals, the data acquisition circuit can acquire data in the control circuit and collect the running data of a charger, the charger is automatically stopped in an abnormal state, the open and open circuits can realize 8-path open and 15-path open and output, the data is more accurate, the communication control circuit controls through 9-path communication lines, 2-path insulation detection and 2-path control guidance, ensures normal input and output of the communication signals, ensures that the detection and control of each charging gun respectively and independently works, can effectively improve the control and detection effects, and has higher accuracy.
The working principle of the invention is as follows:
referring to the attached drawings 1-12 of the specification, the invention integrates 8-path open-in, 15-path open-out, 6-path analog quantity, 9-path communication, 2-path insulation detection, 2-path control guidance and 1-path working power supply, the mainboard finishes charging interaction with the BMS, sends the charging requirement to a charger, controls the charging state of the charger, collects the running data of the charger and automatically stops the charger in an abnormal state; the charging gun electric lock control and temperature detection are provided, and the detection and control of each charging gun work independently, so that the control and detection effects can be effectively improved, and the accuracy is higher; the system and the method have the advantages that the human-computer interaction and card swiping functions are completed, and the functions of charging control, networking, card swiping, charging, displaying, metering, collecting and the like of the direct-current charging pile are achieved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a controller circuit for direct current fills electric pile, includes the PCB board, its characterized in that: the PCB is provided with a power supply control circuit, a CPU control circuit, a data acquisition circuit, an input and output circuit and a communication circuit, wherein the power supply control circuit, the data acquisition circuit, the input and output circuit and the communication circuit are respectively and electrically connected with the CPU control circuit.
2. The controller circuit for a dc charging post of claim 1, wherein: the data acquisition circuit comprises a first paster magnetic bead, a first diode, a second paster magnetic bead and a second diode, wherein the first paster magnetic bead is connected with the first diode in series, the first diode is connected with the second paster magnetic bead in series, the second diode is connected with the first paster magnetic bead in parallel, the first diode is connected with the outer side of the second paster magnetic bead, and one end of the second diode is grounded.
3. The controller circuit for a dc charging post of claim 2, wherein: the data acquisition circuit further comprises a first amplifier, a first simulation photoelectric coupler, a second amplifier, a second simulation photoelectric coupler and a first capacitor, wherein the first amplifier is connected with the second amplifier in series, the first simulation photoelectric coupler is connected with the second amplifier in parallel, the second amplifier is connected with the second simulation photoelectric coupler in series, and the first capacitor is connected with the second amplifier in parallel and outside the second simulation photoelectric coupler.
4. The controller circuit for a dc charging post of claim 3, wherein: the data acquisition circuit further comprises a third amplifier, a third analog photoelectric coupler, a second capacitor, a seventeenth capacitor and an eighteenth capacitor, wherein the third amplifier is connected with the third analog photoelectric coupler in series, the third analog photoelectric coupler is connected with the second capacitor and the eighteenth capacitor in parallel, the seventeenth capacitor is connected with the eighteenth capacitor in parallel, and the third amplifier, the seventeenth capacitor and the eighteenth capacitor are respectively grounded.
5. The controller circuit for a dc charging post of claim 1, wherein: the opening and opening circuit comprises a triode, a third diode and a relay, wherein the triode is connected with the third diode in series, the third diode is connected with the relay in parallel, the opening and opening circuit further comprises a first resistor, an optical coupler and a second resistor, and the first resistor, the optical coupler and the second resistor are connected in series.
6. The controller circuit for a dc charging post of claim 1, wherein: the communication circuit comprises a power supply module, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor and a third resistor, wherein the third capacitor and the fourth capacitor are connected with the power supply module in parallel, the fifth capacitor is connected with the third capacitor in parallel, the sixth capacitor is connected with the fourth capacitor in parallel, and the third resistor is connected with the sixth capacitor in parallel.
7. The controller circuit for a dc charging post of claim 6, wherein: the communication circuit further includes a boost converter, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, a fourth diode, a fifth diode, a fourth resistor, a fifth resistor, and an inductor, the boost converter is in series with the inductor, the boost converter is in series with the seventh capacitor, the inductor is connected in parallel with the seventh capacitor, the inductor is connected in parallel with the fourth diode, the fourth diode, the fourth resistor, and the boost converter are connected in series, the eighth capacitor is connected in parallel with the fourth resistor, the boost converter is connected in series with the fifth resistor, which is connected in parallel with the eighth capacitor, the ninth capacitor is connected in parallel with the fifth resistor, the tenth capacitor is connected in parallel with the ninth capacitor, and the fifth diode is connected in parallel with the tenth capacitor.
8. The controller circuit for a dc charging post of claim 7, wherein: the communication circuit further comprises a digital isolator, an eleventh capacitor and a twelfth capacitor, wherein the eleventh capacitor and the twelfth capacitor are respectively connected with the digital isolator in parallel, and the eleventh capacitor and the twelfth capacitor are respectively grounded.
9. The controller circuit for a dc charging post of claim 8, wherein: the communication circuit further comprises a line transceiver, a thirteenth capacitor, a sixth resistor and a sixth diode, wherein the line transceiver is connected with the thirteenth capacitor in series, the line transceiver is connected with the sixth resistor in series, the sixth diode is connected with the sixth resistor in parallel, and the line transceiver, the thirteenth capacitor and the sixth diode are respectively grounded.
10. The controller circuit for a dc charging post of claim 9, wherein: the communication circuit further comprises a first logic integrated chip, a fourteenth capacitor, a seventh resistor and an eighth resistor, wherein the fourteenth capacitor, the seventh resistor and the eighth resistor are respectively connected with the first logic integrated chip in series, the seventh resistor and the eighth resistor are connected in parallel, and the first logic integrated chip and the fourteenth capacitor are respectively grounded; the communication circuit further includes a receiver, a connector, a seventh diode, a fifteenth capacitor, a ninth resistor, a tenth resistor, and an eleventh resistor, the fifteenth capacitor being connected in series with the connector, the seventh diode being connected in series with the connector, the connector being connected in parallel with the seventh diode, the ninth resistor being connected in parallel with the seventh diode, the tenth resistor being connected in series with the connector, the eleventh resistor being connected in parallel with the tenth resistor; the communication circuit further comprises a second logic integrated chip, a sixteenth capacitor and a twelfth resistor, wherein the sixteenth capacitor and the twelfth resistor are respectively connected with the second logic integrated chip in series, and the sixteenth capacitor and the second logic integrated chip are respectively grounded.
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