CN210149186U - Charger power supply voltage stabilization control system - Google Patents
Charger power supply voltage stabilization control system Download PDFInfo
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- CN210149186U CN210149186U CN201921038125.8U CN201921038125U CN210149186U CN 210149186 U CN210149186 U CN 210149186U CN 201921038125 U CN201921038125 U CN 201921038125U CN 210149186 U CN210149186 U CN 210149186U
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- voltage
- power supply
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- battery
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
A charger power supply voltage stabilization control system comprises a voltage stabilization system controller KB1, a voltage stabilization module LB1 and a standby power supply, wherein the input end of the voltage stabilization system controller KB1 is connected with a power supply, the output end Y0 of the voltage stabilization system controller KB1 and the power supply are connected with the input end of a voltage stabilization module LB1 through a relay KM, and the output end of the voltage stabilization module LB1 is connected with a charger control circuit; the CAN end of the voltage-stabilizing system controller KB1 is connected with the main control panel, the voltage-stabilizing system controller KB1 is connected with the switching power supply and the control panel power supply, and the voltage-stabilizing system controller KB1 is connected with the standby power supply. The utility model discloses a set up steady voltage system controller, voltage stabilizing module and stand-by power supply end at the machine that charges power supply, guaranteed power supply's stability, avoided the power supply voltage fluctuation for the influence that the machine performance brought of charging, prolonged the life who charges the machine.
Description
Technical Field
The utility model relates to a pure electric vehicles technical field especially relates to electric vehicle charging equipment.
Background
In recent years, the demand of the European market on the charger is increasing day by day, the power supply voltage provided by each region is various, some power supply lines of tramcars are directly led to the charger, the quality of input direct current power supplies is not good, and the conventional electric vehicle charger is not provided with a voltage stabilizing device, so that the charger is damaged, and the service life of the charger is greatly influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that current electric automobile machine that charges exists, the utility model provides a machine power steady voltage control system charges.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a charger power supply voltage stabilization control system comprises a voltage stabilization system controller KB1, a voltage stabilization module LB1 and a standby power supply, wherein the input end of the voltage stabilization system controller KB1 is connected with a power supply, the output end Y0 of the voltage stabilization system controller KB1 and the power supply are connected with the input end of a voltage stabilization module LB1 through a relay KM, and the output end of the voltage stabilization module LB1 is connected with a charger control circuit; the CAN end of the voltage-stabilizing system controller KB1 is connected with the main control panel, the voltage-stabilizing system controller KB1 is connected with the switching power supply and the control panel power supply, and the voltage-stabilizing system controller KB1 is connected with the standby power supply.
The voltage stabilizing system controller KB1 comprises a single chip microcomputer, a high-voltage signal sampling circuit is connected with the single chip microcomputer through a signal filter circuit and an isolation sampling circuit, the single chip microcomputer is connected with a high-voltage signal sampling comparison circuit through an isolation output circuit, and the single chip microcomputer is further connected with an LED heartbeat indicator lamp, an isolation transceiver CAN1, a CAN2 and an overvoltage protection switch.
The voltage stabilizing module LB1 comprises an input EMI filter, the output end of the input EMI filter is connected with an active PFC circuit, the active PFC circuit connects the output signal with a charger control circuit through a DC/DC circuit, a rectifying circuit and an output EMI circuit, the DC/DC circuit is connected with a DC/DC control and protection circuit, and the DC/DC control and protection circuit is connected with an input detection protection circuit, an auxiliary power supply, an output temperature detection circuit and a module monitoring circuit.
Stand-by power supply includes battery and battery under-voltage protection circuit (BTK1), and battery under-voltage protection circuit (BTK1) includes battery voltage acquisition circuit and switching power supply voltage acquisition circuit, and battery voltage stimulating circuit passes through voltage under-voltage warning threshold value comparison circuit and connects under-voltage warning switch, and battery voltage acquisition circuit passes through the external power supply switch of voltage under-voltage turn-off threshold value comparison circuit connection battery, and switching power supply voltage acquisition circuit passes through the external power supply switch of switching power supply power-down judgement circuit connection battery.
The utility model discloses a fill motor power steady voltage control system through setting up steady voltage system controller, voltage stabilizing module and stand-by power supply end at the machine that charges power supply, has guaranteed power supply's stability, has avoided the influence that power supply voltage fluctuation brought for the machine performance that charges, has prolonged the life who fills the machine.
Drawings
Fig. 1 is a schematic diagram of the charger power supply voltage stabilization control system of the utility model.
Fig. 2 is the voltage stabilizing system controller schematic diagram of the charger power supply voltage stabilizing control system of the utility model.
Fig. 3 is the voltage stabilizing module schematic diagram of the charger power supply voltage stabilizing control system of the utility model.
Fig. 4 is the battery under-voltage protection circuit schematic diagram of the charger power supply voltage stabilization control system of the utility model.
Detailed Description
The utility model discloses a quick-witted power steady voltage control system principle that charges is shown in figure 1, mainly comprises the triplex, is respectively: the power supply system comprises a voltage stabilizing system controller KB1, a voltage stabilizing module LB1 and a standby power supply, wherein the input end of the voltage stabilizing system controller KB1 is connected with a power supply, the output end Y0 of the voltage stabilizing system controller KB1 and the power supply are connected with the input end of a voltage stabilizing module LB1 through a relay KM, and the output end of the voltage stabilizing module LB1 is connected with a charger control circuit; the CAN end of the voltage-stabilizing system controller KB1 is connected with the main control panel, the voltage-stabilizing system controller KB1 is connected with the switching power supply and the control panel power supply, and the voltage-stabilizing system controller KB1 is connected with the standby power supply. The main control board is a core communication unit of the whole charging system and is a distributor of all instructions. Switching power supply: DC24V power is provided to supply electrical components.
The voltage stabilizing system controller KB1 is shown in the principle of figure 2 and comprises a single chip microcomputer, a high-voltage signal sampling circuit is connected with the single chip microcomputer through a signal filter circuit and an isolation sampling circuit, the single chip microcomputer is connected with a high-voltage signal sampling comparison circuit through an isolation output circuit, and the single chip microcomputer is further connected with an LED heartbeat indicator lamp, an isolation transceiver CAN1, a CAN2 and an overvoltage protection switch.
The voltage stabilizing module LB1 is shown in fig. 3, and includes an input EMI filter, an output terminal of the input EMI filter is connected to an active PFC circuit, the active PFC circuit connects an output signal to a charger control circuit through a DC/DC circuit, a rectifying circuit, and an output EMI circuit, the DC/DC circuit is connected to a DC/DC control and protection circuit, and the DC/DC control and protection circuit is connected to an input detection protection circuit, an auxiliary power supply, an output temperature detection circuit, and a module monitoring circuit.
The standby power supply principle is as shown in fig. 4, including battery and battery under-voltage protection circuit (BTK1), battery under-voltage protection circuit (BTK1) includes battery voltage acquisition circuit and switching power supply voltage acquisition circuit, battery voltage stimulation circuit passes through voltage under-voltage warning threshold value comparison circuit and connects under-voltage warning switch, battery voltage acquisition circuit passes through voltage under-voltage turn-off threshold value comparison circuit and connects the external power supply switch of battery, switching power supply voltage acquisition circuit passes through switching power supply and falls the external power supply switch of judgement circuit connection battery.
When the actual power supply voltage is within the allowed voltage range, Y0 of a voltage stabilizing system controller KB1 is output, a relay KM contactor is closed, a voltage stabilizing module LB1 works, the voltage stabilizing module LB1 is used for providing a stable power supply for a charger control circuit, the voltage at the input end of the voltage stabilizing module LB1 is allowed to fluctuate within a certain range, the output is a constant voltage value, and the safety use of the whole system is directly influenced for the stability of the power supply of the control circuit.
Voltage stabilization system controller KB1 real-time detection power supply end's voltage, when detecting that the voltage is transfinited, Y0 stops the output, the KM contactor disconnection, voltage stabilization module LB1 stops working, entire system outage, the stand-by power supply battery provides the power for the main control panel this moment, provide the power for the device of communication function simultaneously, pass the superpressure condition to the backstage, remind the user that the machine that charges can not work this moment, when supply voltage resumes to the within range of being restricted, KB1 controller real-time detection, after a few seconds, confirm that supply voltage is no longer transfinited, Y0 outputs, the system is electrified again. If the overpressure condition exists all the time, a storage battery provides power for the control panel, the storage battery is managed by a battery voltage protection module BTK, and the storage battery is subjected to floating charging through the BTK by a switching power supply when the system works normally; during discharging, when the voltage of the storage battery is reduced to be close to the cut-off voltage, the signal is immediately sent to the background for early warning, field processing is needed, otherwise, when the voltage of the storage battery is reduced to the cut-off voltage, the whole system (including communication) is immediately powered off, and the service life of the storage battery in cyclic use is ensured. When the customer issues a switch-on command, if the KB1 detects an overpressure in the power supply, the system is also not powered and the overpressure is given the highest priority.
Meanwhile, the voltage stabilization control system supports the remote shutdown of a client, when the remote shutdown instruction of the client is given, the Y0 of the KB1 stops outputting, a control panel of the system is powered by a storage battery, and a main circuit and a control circuit are powered off; the KB1 detects the current voltage in real time.
Claims (4)
1. The utility model provides a quick-witted power steady voltage control system charges which characterized in that: the intelligent charging system comprises a voltage stabilizing system controller (KB1), a voltage stabilizing module (LB1) and a standby power supply, wherein the input end of the voltage stabilizing system controller (KB1) is connected with a power supply, the output end (Y0) of the voltage stabilizing system controller (KB1) and the power supply are connected with the input end of the voltage stabilizing module (LB1) through a relay (KM), and the output end of the voltage stabilizing module (LB1) is connected with a charger control circuit; the CAN end of the voltage-stabilizing system controller (KB1) is connected with the main control panel, the voltage-stabilizing system controller (KB1) is connected with the switching power supply and the control panel power supply, and the voltage-stabilizing system controller (KB1) is connected with the standby power supply.
2. The charger power supply voltage stabilization control system according to claim 1, characterized in that: the voltage stabilizing system controller (KB1) comprises a single chip microcomputer, a high-voltage signal sampling circuit is connected with the single chip microcomputer through a signal filter circuit and an isolation sampling circuit, the single chip microcomputer is connected with a high-voltage signal sampling comparison circuit through an isolation output circuit, and the single chip microcomputer is further connected with an LED heartbeat indicator lamp, an isolation transceiver (CAN1, CAN2) and an overvoltage protection switch.
3. The charger power supply voltage stabilization control system according to claim 1, characterized in that: the voltage stabilizing module (LB1) comprises an input EMI filter, the output end of the input EMI filter is connected with an active PFC circuit, the active PFC circuit connects an output signal with a charger control circuit through a DC/DC circuit, a rectifying circuit and an output EMI circuit, the DC/DC circuit is connected with a DC/DC control and protection circuit, and the DC/DC control and protection circuit is connected with an input detection protection circuit, an auxiliary power supply, an output temperature detection circuit and a module monitoring circuit.
4. The charger power supply voltage stabilization control system according to claim 1, characterized in that: stand-by power supply includes battery and battery under-voltage protection circuit (BTK1), and battery under-voltage protection circuit (BTK1) includes battery voltage acquisition circuit and switching power supply voltage acquisition circuit, and battery voltage stimulating circuit passes through voltage under-voltage warning threshold value comparison circuit and connects under-voltage warning switch, and battery voltage acquisition circuit passes through the external power supply switch of voltage under-voltage turn-off threshold value comparison circuit connection battery, and switching power supply voltage acquisition circuit passes through the external power supply switch of switching power supply power-down judgement circuit connection battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921038125.8U CN210149186U (en) | 2019-07-05 | 2019-07-05 | Charger power supply voltage stabilization control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921038125.8U CN210149186U (en) | 2019-07-05 | 2019-07-05 | Charger power supply voltage stabilization control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210149186U true CN210149186U (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921038125.8U Active CN210149186U (en) | 2019-07-05 | 2019-07-05 | Charger power supply voltage stabilization control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210149186U (en) |
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2019
- 2019-07-05 CN CN201921038125.8U patent/CN210149186U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A voltage stabilizing control system for charger power supply Effective date of registration: 20211119 Granted publication date: 20200317 Pledgee: China Construction Bank Corporation Dalian Jinpu New Area Branch Pledgor: DALIAN LUOBINSEN POWER SUPPLY EQUIPMENT CO.,LTD. Registration number: Y2021210000082 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230512 Granted publication date: 20200317 Pledgee: China Construction Bank Corporation Dalian Jinpu New Area Branch Pledgor: DALIAN LUOBINSEN POWER SUPPLY EQUIPMENT CO.,LTD. Registration number: Y2021210000082 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |