CN113352909A - Control system and method of hybrid universal charger - Google Patents
Control system and method of hybrid universal charger Download PDFInfo
- Publication number
- CN113352909A CN113352909A CN202110475002.6A CN202110475002A CN113352909A CN 113352909 A CN113352909 A CN 113352909A CN 202110475002 A CN202110475002 A CN 202110475002A CN 113352909 A CN113352909 A CN 113352909A
- Authority
- CN
- China
- Prior art keywords
- pin
- resistor
- chip
- diode
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
- B60L53/20—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 converters located in the vehicle
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- 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
-
- 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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
-
- 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
-
- 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
-
- 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
Landscapes
- 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 control system and a control method of a hybrid universal charger, wherein a control circuit for the universal electric vehicle charger comprises a voltage stabilizing circuit, a main AC/DC circuit, a detection circuit, a feedback circuit and a control circuit, the control circuit is connected to a battery, the voltage stabilizing circuit outputs voltage, the detection circuit detects the voltage and the current of the battery and transmits the voltage and the current to the control circuit, and the control circuit outputs a charging pulse signal through the feedback circuit. The control circuit for the universal electric vehicle charger can charge the lead-acid battery and the lithium battery, is suitable for charging the batteries of any electric vehicle, and simultaneously protects the batteries.
Description
Technical Field
The invention relates to the technical field of charging, in particular to a control method and a control system of a hybrid universal electric vehicle charger.
Background
At present, electric vehicle chargers on the market are generally designed only for the types of batteries used by electric vehicles, and are only suitable for charging the batteries of the electric vehicles. Batteries used in current general electric vehicles are basically divided into two categories: one type is a lead-acid battery and the other type is a lithium battery. The battery used by the electric vehicle is a lead-acid battery and only can use a special lead-acid battery charger, and the battery used by the electric vehicle is a lithium battery and only can use a special lithium battery charger. The general user does not mischarge the battery of the electric vehicle for the same type of battery charger due to lack of common sense of some batteries or convenience. The lead-acid battery charger is used for charging the electric vehicle using the lithium battery, or the lithium battery charger is used for charging the electric vehicle using the lead-acid battery, so that the battery can be greatly damaged, and even the battery is fired and exploded to cause accidents such as fire disasters.
Disclosure of Invention
In order to solve the above-mentioned disadvantages in the prior art, the present invention provides a control system and method for a hybrid universal charger.
In order to achieve the technical effects, the invention adopts the following scheme:
a control system of a hybrid universal charger comprises a main AC/DC circuit, wherein the main AC/DC circuit is electrically connected with a battery load, the battery load is respectively and electrically connected with a voltage stabilizing circuit and a detection circuit, the detection circuit is electrically connected with a feedback circuit, the feedback circuit is electrically connected with a control circuit, the control circuit is respectively and electrically connected with the main AC/DC circuit and the voltage stabilizing circuit, and the control system comprises:
the voltage stabilizing circuit comprises a chip U3, a resistor R34, a diode D11 and an inductor L1, wherein a pin 3 of the chip U3 is connected with the anode of a battery, a pin 1 of the chip U3 is sequentially connected with one end of the resistor R34, the other end of the resistor R34 is connected with one end of the inductor L1, a pin 2 of the chip U3 is connected with the cathode of the diode D11, and the anode of the diode D11 is connected with the other end of the inductor L1;
a main AC/DC circuit, which comprises a rectifier bridge, a transformer T1, a transformer T2, a field effect transistor Q1 and a chip U1, wherein a pin 2 and a pin 4 of the transformer T1 are connected with a 220V power supply, a pin 1 of the transformer T1 is connected with a pin 1 of the rectifier bridge through a FUSE FUSE1 and a thermal resistor RTH, a pin 3 of the transformer T1 is connected with a pin 3 of the rectifier bridge, a pin 1 of the transformer T2 is connected with a pin 2 of the rectifier bridge, a pin 2 of the transformer T2 is connected with a D pole of the field effect transistor Q1, an s pole of the field effect transistor Q1 is connected with a pin 4 of the rectifier bridge through a resistor R9, a pin 3 of the transformer T2 is connected with a pin 4 of the rectifier bridge, a pin 4 of the transformer T2 is connected with a pin 7 of the chip U1 through a diode D3, a resistor R11 and a resistor R6, and a pin 4 and a pin 8 of the chip U1 are connected with a resistor R7, a pin 6 of the chip U1 is connected to a g pole of the fet Q1 through a resistor R5, a pin 2 and a pin 5 of the chip U1 are connected to a pin 4 of the rectifier bridge, a pin 3 of the chip U1 is connected to a pin 4 of the rectifier bridge through a capacitor C6, a pin 4 of the chip U1 is connected to a pin 4 of the rectifier bridge through a capacitor C7, a pin 1 of the chip U1 is connected to a pin 4 of the rectifier bridge through a capacitor C8, a pin 6 and a pin 8 of the transformer T2 are grounded, a pin 5 of the transformer T2 is connected to an anode of the diode D5, and a pin 6 of the transformer T2 is connected to an anode of the diode D4;
the detection circuit comprises a chip U5, a resistor R23 and a resistor R24, wherein a pin 2 of the chip U5 is grounded, a pin 4 of the chip U5 is grounded, a pin 3 of the chip U5 is grounded through a capacitor C18, a common end of the resistor R33 and the resistor R31 is connected to the cathode of the battery through a resistor R45, a pin 5 of the chip U5 is connected to the anode of the diode D11, one end of the resistor R23 is connected to the anode of the battery, the other end of the resistor R23 is connected to one end of the resistor R24, and the other end of the resistor R24 is grounded;
a feedback circuit, which comprises a chip U2, a resistor R23, a resistor R24, a diode D7 and a diode D6, wherein a pin 8 of the chip U2 is connected to the negative electrode of the diode D4, a pin 4 of the chip U2 is connected to the ground, a pin 5 of the chip U2 is connected to the ground through a resistor R16 and a resistor R17, a pin 3 of the chip U2 is connected to the common terminal of the resistor R16 and the resistor R17, a pin 2 of the chip U2 is connected to the common terminal of the resistor R33 and the resistor R31 through a resistor R32, a pin 1 of the chip U2 is connected to the negative electrode of the diode D6, a pin 7 of the chip U2 is connected to the negative electrode of the diode D7, the negative electrode of the diode D5 is connected to the ground through a resistor R20, a resistor R21 and a resistor R22 which are connected in sequence, a pin 6 of the chip U2 is connected to the negative electrode of the resistor R21 and a resistor R22 through a resistor R18, and a positive electrode of the battery 23, the other end of the resistor R23 is connected with one end of the resistor R24, and the other end of the resistor R24 is grounded;
the control circuit comprises a chip U4, a light emitting diode D9 and a light emitting diode D10, wherein a pin 1 of the chip U4 is grounded, a pin 2 of the chip U4 is connected with the cathode of the light emitting diode D9 through a resistor R36, a pin 3 of the chip U4 is connected with the cathode of the light emitting diode D10 through a resistor R37, a pin 5 of the chip U4 is connected with a pin 3 of the chip U2 through a resistor R26 and a resistor R27, a pin 6 of the chip U4 is connected with a pin 1 of the chip U5 through a resistor R25, a pin 7 of the chip is connected with a common end of the resistor R23 and the resistor R24, and a pin 8 of the chip U4 is connected with the anode of the diode D11.
According to the preferable technical scheme, the model of the chip U4 is one of SC92F250, MC30P6250, X8P1101B or HC16P015A 0.
Preferably, the main AC/DC circuit includes a relay K1 and a transistor Q4, a pin 1 of the relay K1 is connected to the positive electrode of the diode D11, a pin 2 of the relay K2 is connected to a c electrode of the transistor Q4 through a resistor R40, an e electrode of the transistor Q4 is grounded, and a b electrode of the transistor Q4 is connected to a pin 4 of the chip U4 through a resistor R38.
Preferably, the main AC/DC circuit includes an optical coupler U6, pin 1 of the chip U6 is connected to the negative electrode of the diode D4 through a resistor R12, the positive electrode of the diode D6 and the positive electrode of the diode D7 are both connected to pin 2 of the optical coupler U6, pin 3 of the optical coupler U6 is connected to pin 4 of the rectifier bridge, and pin 4 of the optical coupler U6 is connected to pin 1 of the chip U1.
Preferably, the feedback circuit includes a fan MG and a diode D8, wherein a positive electrode of the fan MG is connected to a negative electrode of the diode D4, a negative electrode of the fan MG is grounded, a positive electrode of the diode D8 is grounded, and a negative electrode of the diode D8 is connected to a positive electrode of the fan MG.
Preferably, the charger is provided with a first indicator light and a second indicator light which are electrically connected with a main AC/DC circuit, the first indicator light is connected with a pin 2 of U4, and the second indicator light is connected with a pin 3 of U4.
A method of controlling a hybrid universal charger, comprising: the charger is connected with an external power supply, the main AC/DC circuit filters, rectifies and steps down the input voltage and current and then outputs the required direct current voltage and current, the direct current voltage and current are firstly transmitted to the voltage stabilizing circuit after passing through the battery load, the voltage stabilizing circuit provides stable voltage for the control circuit and the detection circuit, the control circuit and the detection circuit start to work, the R31 of the detection circuit is electrically connected with the battery load, the charging current is detected through R31, the obtained current information is fed back to the 6 pin of U4 in the control system through R25 by the detection circuit, the U4 of the control system outputs pulses according to the received voltage and current magnitude values through the 5 pin to be sent to U2 through R26 and 27, the operator is instructed to charge the battery according to the charging program set by U4, and appropriate charging current is distributed, the 7-pin of U4 senses the battery voltage, and the sampled voltage is provided by R23, 24.
According to the preferable technical scheme, the U4 gives the charging state and the fault state of the charger according to the load feedback signal, the second indicator light is in the charging state when being turned on, the first indicator light is in the full-power state when being turned on, and the first indicator light flashes or the first indicator light and the second indicator light flash alternately to indicate faults.
According to the preferable technical scheme, when the detection circuit cannot detect current or the detection current is zero, the control circuit controls the main AC/DC circuit to cut off the alternating current after 60 minutes, and cuts off the input of the main power supply and stops working.
Compared with the prior art, beneficial effect does:
the invention has simple structure and convenient use, and can charge the lead-acid battery and the lithium battery according to the characteristics of different types of batteries; the battery protection device is suitable for charging the battery of any electric vehicle, protects the battery, can automatically identify the battery type when the battery of the electric vehicle is charged by hybrid charging, automatically adjusts the charging mode according to the characteristics of the battery, and brings great convenience to users in use.
Drawings
FIG. 1 is a schematic block diagram of the circuit of the present invention;
FIG. 2 is a circuit schematic of the present invention;
FIG. 3 is a circuit schematic of the voltage regulator circuit of the present invention;
FIG. 4 is a circuit schematic of the control circuit of the present invention;
FIG. 5 is a circuit schematic of the detection circuit of the present invention;
fig. 6 is a circuit schematic of the feedback circuit of 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.
A control system for a hybrid universal charger comprising the following circuitry:
the voltage stabilizing circuit comprises a chip U3, a resistor R34, a diode D11 and an inductor L1, wherein a pin 3 of the chip U3 is connected with the anode of a battery, a pin 1 of the chip U3 is sequentially connected with one end of the resistor R34, the other end of the resistor R34 is connected with one end of the inductor L1, a pin 2 of the chip U3 is connected with the cathode of the diode D11, and the anode of the diode D11 is connected with the other end of the inductor L1;
a main AC/DC circuit, which comprises a rectifier bridge, a transformer T1, a transformer T2, a field effect transistor Q1 and a chip U1, wherein a pin 2 and a pin 4 of the transformer T1 are connected with a 220V power supply, a pin 1 of the transformer T1 is connected with a pin 1 of the rectifier bridge through a FUSE FUSE1 and a thermal resistor RTH, a pin 3 of the transformer T1 is connected with a pin 3 of the rectifier bridge, a pin 1 of the transformer T2 is connected with a pin 2 of the rectifier bridge, a pin 2 of the transformer T2 is connected with a D pole of the field effect transistor Q1, an s pole of the field effect transistor Q1 is connected with a pin 4 of the rectifier bridge through a resistor R9, a pin 3 of the transformer T2 is connected with a pin 4 of the rectifier bridge, a pin 4 of the transformer T2 is connected with a pin 7 of the chip U1 through a diode D3, a resistor R11 and a resistor R6, and a pin 4 and a pin 8 of the chip U1 are connected with a resistor R7, a pin 6 of the chip U1 is connected to a g pole of the fet Q1 through a resistor R5, a pin 2 and a pin 5 of the chip U1 are connected to a pin 4 of the rectifier bridge, a pin 3 of the chip U1 is connected to a pin 4 of the rectifier bridge through a capacitor C6, a pin 4 of the chip U1 is connected to a pin 4 of the rectifier bridge through a capacitor C7, a pin 1 of the chip U1 is connected to a pin 4 of the rectifier bridge through a capacitor C8, a pin 6 and a pin 8 of the transformer T2 are grounded, a pin 5 of the transformer T2 is connected to an anode of the diode D5, and a pin 6 of the transformer T2 is connected to an anode of the diode D4;
the detection circuit comprises a chip U5, a resistor R23 and a resistor R24, wherein a pin 2 of the chip U5 is grounded, a pin 4 of the chip U5 is grounded, a pin 3 of the chip U5 is grounded through a capacitor C18, a common end of the resistor R33 and the resistor R31 is connected to the cathode of the battery through a resistor R45, a pin 5 of the chip U5 is connected to the anode of the diode D11, one end of the resistor R23 is connected to the anode of the battery, the other end of the resistor R23 is connected to one end of the resistor R24, and the other end of the resistor R24 is grounded;
a feedback circuit, which comprises a chip U2, a resistor R23, a resistor R24, a diode D7 and a diode D6, wherein a pin 8 of the chip U2 is connected to the negative electrode of the diode D4, a pin 4 of the chip U2 is connected to the ground, a pin 5 of the chip U2 is connected to the ground through a resistor R16 and a resistor R17, a pin 3 of the chip U2 is connected to the common terminal of the resistor R16 and the resistor R17, a pin 2 of the chip U2 is connected to the common terminal of the resistor R33 and the resistor R31 through a resistor R32, a pin 1 of the chip U2 is connected to the negative electrode of the diode D6, a pin 7 of the chip U2 is connected to the negative electrode of the diode D7, the negative electrode of the diode D5 is connected to the ground through a resistor R20, a resistor R21 and a resistor R22 which are connected in sequence, a pin 6 of the chip U2 is connected to the negative electrode of the resistor R21 and a resistor R22 through a resistor R18, and a positive electrode of the battery 23, the other end of the resistor R23 is connected with one end of the resistor R24, and the other end of the resistor R24 is grounded;
the control circuit comprises a chip U4, a light emitting diode D9 and a light emitting diode D10, wherein a pin 1 of the chip U4 is grounded, a pin 2 of the chip U4 is connected with the cathode of the light emitting diode D9 through a resistor R36, a pin 3 of the chip U4 is connected with the cathode of the light emitting diode D10 through a resistor R37, a pin 5 of the chip U4 is connected with a pin 3 of the chip U2 through a resistor R26 and a resistor R27, a pin 6 of the chip U4 is connected with a pin 1 of the chip U5 through a resistor R25, a pin 7 of the chip is connected with a common end of the resistor R23 and the resistor R24, and a pin 8 of the chip U4 is connected with the anode of the diode D11.
According to the preferable technical scheme, the model of the chip U4 is one of SC92F250, MC30P6250, X8P1101B or HC16P015A 0.
Preferably, the main AC/DC circuit includes a relay K1 and a transistor Q4, a pin 1 of the relay K1 is connected to the positive electrode of the diode D11, a pin 2 of the relay K2 is connected to a c electrode of the transistor Q4 through a resistor R40, an e electrode of the transistor Q4 is grounded, and a b electrode of the transistor Q4 is connected to a pin 4 of the chip U4 through a resistor R38.
Preferably, the main AC/DC circuit includes an optical coupler U6, pin 1 of the chip U6 is connected to the negative electrode of the diode D4 through a resistor R12, the positive electrode of the diode D6 and the positive electrode of the diode D7 are both connected to pin 2 of the optical coupler U6, pin 3 of the optical coupler U6 is connected to pin 4 of the rectifier bridge, and pin 4 of the optical coupler U6 is connected to pin 1 of the chip U1.
Preferably, the feedback circuit includes a fan MG and a diode D8, wherein a positive electrode of the fan MG is connected to a negative electrode of the diode D4, a negative electrode of the fan MG is grounded, a positive electrode of the diode D8 is grounded, and a negative electrode of the diode D8 is connected to a positive electrode of the fan MG.
A method of controlling a hybrid universal charger, comprising: the charger is connected with an external power supply, the main AC/DC circuit filters, rectifies and steps down the input voltage and current and then outputs the required direct current voltage and current, the direct current voltage and current are firstly transmitted to the voltage stabilizing circuit after passing through the battery load, the voltage stabilizing circuit provides stable voltage for the control circuit and the detection circuit, the control circuit and the detection circuit start to work, the R31 of the detection circuit is electrically connected with the battery load, the charging current is detected through R31, the obtained current information is fed back to the 6 pin of U4 in the control system through R25 by the detection circuit, the U4 of the control system outputs pulses according to the received voltage and current magnitude values through the 5 pin to be sent to U2 through R26 and 27, the operator is instructed to charge the battery according to the charging program set by U4, and appropriate charging current is distributed, the 7-pin of U4 senses the battery voltage, and the sampled voltage is provided by R23, 24.
Specifically, taking a 48V battery as an example, the lead-acid battery 60V is fully charged during charging, and the lithium battery 54.75V is fully charged. When the current passes through R31 during charging, U5 reads the charging current, and when the battery voltage rises to 54.75V, the current passing through R31 is less than 100mAH when the lithium battery is charged. The U5 no-load feedback signal is sent to the U4, and the control circuit stops charging work of the lithium battery according to the no-load feedback identification; when the lead-acid battery is charged, the lead-acid battery does not reach a full state when the battery voltage rises to 54.75V, and the current passing through R31 is more than 100 mAH. The U5 has a load feedback signal to send to U4, the control system continues to charge the lead-acid battery because of the load feedback identification, the charging state of the charger is kept, and the control system stops working until the battery voltage rises to 60V.
According to the preferable technical scheme, the U4 gives the charging state and the fault state of the charger according to the load feedback signal, the second indicator light is in the charging state when being turned on, the first indicator light is in the full-power state when being turned on, and the first indicator light flashes or the first indicator light and the second indicator light flash alternately to indicate faults.
According to the preferable technical scheme, when the detection circuit cannot detect current or the detection current is zero, the control circuit controls the main AC/DC circuit to cut off the alternating current after 60 minutes, and cuts off the input of the main power supply and stops working.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, refer to orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the present invention are conventionally placed in use, or the orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience in describing and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
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.
Claims (9)
1. The control system of the hybrid universal charger is characterized by comprising a main AC/DC circuit, wherein the main AC/DC circuit is electrically connected with a battery load, the battery load is respectively and electrically connected with a voltage stabilizing circuit and a detection circuit, the detection circuit is electrically connected with a feedback circuit, the feedback circuit is electrically connected with a control circuit, and the control circuit is respectively and electrically connected with the main AC/DC circuit and the voltage stabilizing circuit, wherein:
the voltage stabilizing circuit comprises a chip U3, a resistor R34, a diode D11 and an inductor L1, wherein a pin 3 of the chip U3 is connected with the anode of a battery, a pin 1 of the chip U3 is sequentially connected with one end of the resistor R34, the other end of the resistor R34 is connected with one end of the inductor L1, a pin 2 of the chip U3 is connected with the cathode of the diode D11, and the anode of the diode D11 is connected with the other end of the inductor L1;
a main AC/DC circuit, which comprises a rectifier bridge, a transformer T1, a transformer T2, a field effect transistor Q1 and a chip U1, wherein a pin 2 and a pin 4 of the transformer T1 are connected with a 220V power supply, a pin 1 of the transformer T1 is connected with a pin 1 of the rectifier bridge through a FUSE FUSE1 and a thermal resistor RTH, a pin 3 of the transformer T1 is connected with a pin 3 of the rectifier bridge, a pin 1 of the transformer T2 is connected with a pin 2 of the rectifier bridge, a pin 2 of the transformer T2 is connected with a D pole of the field effect transistor Q1, an s pole of the field effect transistor Q1 is connected with a pin 4 of the rectifier bridge through a resistor R9, a pin 3 of the transformer T2 is connected with a pin 4 of the rectifier bridge, a pin 4 of the transformer T2 is connected with a pin 7 of the chip U1 through a diode D3, a resistor R11 and a resistor R6, and a pin 4 and a pin 8 of the chip U1 are connected with a resistor R7, a pin 6 of the chip U1 is connected to a g pole of the fet Q1 through a resistor R5, a pin 2 and a pin 5 of the chip U1 are connected to a pin 4 of the rectifier bridge, a pin 3 of the chip U1 is connected to a pin 4 of the rectifier bridge through a capacitor C6, a pin 4 of the chip U1 is connected to a pin 4 of the rectifier bridge through a capacitor C7, a pin 1 of the chip U1 is connected to a pin 4 of the rectifier bridge through a capacitor C8, a pin 6 and a pin 8 of the transformer T2 are grounded, a pin 5 of the transformer T2 is connected to an anode of the diode D5, and a pin 6 of the transformer T2 is connected to an anode of the diode D4;
the detection circuit comprises a chip U5, a resistor R23 and a resistor R24, wherein a pin 2 of the chip U5 is grounded, a pin 4 of the chip U5 is grounded, a pin 3 of the chip U5 is grounded through a capacitor C18, a common end of the resistor R33 and the resistor R31 is connected to the cathode of the battery through a resistor R45, a pin 5 of the chip U5 is connected to the anode of the diode D11, one end of the resistor R23 is connected to the anode of the battery, the other end of the resistor R23 is connected to one end of the resistor R24, and the other end of the resistor R24 is grounded;
a feedback circuit, which comprises a chip U2, a resistor R23, a resistor R24, a diode D7 and a diode D6, wherein a pin 8 of the chip U2 is connected to the negative electrode of the diode D4, a pin 4 of the chip U2 is connected to the ground, a pin 5 of the chip U2 is connected to the ground through a resistor R16 and a resistor R17, a pin 3 of the chip U2 is connected to the common terminal of the resistor R16 and the resistor R17, a pin 2 of the chip U2 is connected to the common terminal of the resistor R33 and the resistor R31 through a resistor R32, a pin 1 of the chip U2 is connected to the negative electrode of the diode D6, a pin 7 of the chip U2 is connected to the negative electrode of the diode D7, the negative electrode of the diode D5 is connected to the ground through a resistor R20, a resistor R21 and a resistor R22 which are connected in sequence, a pin 6 of the chip U2 is connected to the negative electrode of the resistor R21 and a resistor R22 through a resistor R18, and a positive electrode of the battery 23, the other end of the resistor R23 is connected with one end of the resistor R24, and the other end of the resistor R24 is grounded;
the control circuit comprises a chip U4, a light emitting diode D9 and a light emitting diode D10, wherein a pin 1 of the chip U4 is grounded, a pin 2 of the chip U4 is connected with the cathode of the light emitting diode D9 through a resistor R36, a pin 3 of the chip U4 is connected with the cathode of the light emitting diode D10 through a resistor R37, a pin 5 of the chip U4 is connected with a pin 3 of the chip U2 through a resistor R26 and a resistor R27, a pin 6 of the chip U4 is connected with a pin 1 of the chip U5 through a resistor R25, a pin 7 of the chip is connected with a common end of the resistor R23 and the resistor R24, and a pin 8 of the chip U4 is connected with the anode of the diode D11.
2. A control system for a hybrid universal charger as recited in claim 1, wherein: the model of the chip U4 is one of SC92F250, MC30P6250, X8P1101B or HC16P015A 0.
3. A control system for a hybrid universal charger as recited in claim 1, wherein: the main AC/DC circuit comprises a relay K1 and a triode Q4, wherein a pin 1 of the relay K1 is connected with the anode of the diode D11, a pin 2 of the relay K2 is connected with a c pole of the triode Q4 through a resistor R40, an e pole of the triode Q4 is grounded, and a b pole of the triode Q4 is connected with a pin 4 of the chip U4 through a resistor R38.
4. A control system for a hybrid universal charger as recited in claim 1, wherein: the main AC/DC circuit comprises an optical coupler U6, a pin 1 of a chip U6 is connected with a negative electrode of a diode D4 through a resistor R12, an anode of the diode D6 and an anode of a diode D7 are connected with a pin 2 of an optical coupler U6, a pin 3 of the optical coupler U6 is connected with a pin 4 of a rectifier bridge, and a pin 4 of the optical coupler U6 is connected with a pin 1 of a chip U1.
5. A control system for a hybrid universal charger as recited in claim 1, wherein: the feedback circuit comprises a fan MG and a diode D8, wherein the anode of the fan MG is connected with the cathode of the diode D4, the cathode of the fan MG is grounded, the anode of the diode D8 is grounded, and the cathode of the diode D8 is connected with the anode of the fan MG.
6. A control system for a hybrid universal charger as recited in claim 1, wherein said charger is provided with a first indicator light electrically connected to the main AC/DC circuit, said first indicator light being connected to pin 2 of U4, and a second indicator light connected to pin 3 of U4.
7. A method of controlling a hybrid universal charger, comprising: the charger is connected with an external power supply, the main AC/DC circuit filters, rectifies and steps down the input voltage and current and then outputs the required direct current voltage and current, the direct current voltage and current are firstly transmitted to the voltage stabilizing circuit after passing through the battery load, the voltage stabilizing circuit provides stable voltage for the control circuit and the detection circuit, the control circuit and the detection circuit start to work, the R31 of the detection circuit is electrically connected with the battery load, the charging current is detected through R31, the obtained current information is fed back to the 6 pin of U4 in the control system through R25 by the detection circuit, the U4 of the control system outputs pulses according to the received voltage and current magnitude values through the 5 pin to be sent to U2 through R26 and 27, the operator is instructed to charge the battery according to the charging program set by U4, and appropriate charging current is distributed, the 7-pin of U4 senses the battery voltage, and the sampled voltage is provided by R23, 24.
8. A control method of a hybrid universal charger as recited in claim 6, wherein U4 provides the charging status and the fault status of the charger based on the load feedback signal, the second indicator light is on, the first indicator light is full, and the first indicator light is on or the first indicator light and the second indicator light are on alternately.
9. A method of controlling a hybrid universal electric vehicle charger as recited in claim 6, wherein the control circuit controls the main AC/DC circuit to disconnect the AC power after 60 minutes when the detection circuit fails to detect the current or when the detection current is zero, to cut off the main power input and stop the operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110475002.6A CN113352909A (en) | 2021-04-29 | 2021-04-29 | Control system and method of hybrid universal charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110475002.6A CN113352909A (en) | 2021-04-29 | 2021-04-29 | Control system and method of hybrid universal charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113352909A true CN113352909A (en) | 2021-09-07 |
Family
ID=77525670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110475002.6A Pending CN113352909A (en) | 2021-04-29 | 2021-04-29 | Control system and method of hybrid universal charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113352909A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113949040A (en) * | 2021-10-19 | 2022-01-18 | 浙江法然特浙科科技有限公司 | Automatic power-off charger system |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1738148A (en) * | 2005-08-10 | 2006-02-22 | 陈国成 | Battery charger |
| CN201365138Y (en) * | 2009-01-09 | 2009-12-16 | 金小霞 | Lead-acid storage battery maintaining charger for electric vehicle |
| CN202424265U (en) * | 2012-02-09 | 2012-09-05 | 广州市君盘实业有限公司 | Multifunctional intelligent charger based on single chip microcomputer |
| CN203967776U (en) * | 2014-04-28 | 2014-11-26 | 安徽速力洁电子科技有限公司 | A kind of electric car charger that adopts pulse current charge pattern |
| CN105140989A (en) * | 2015-08-26 | 2015-12-09 | 苏州市博得立电源科技有限公司 | Charging control device for charger |
| CN106253395A (en) * | 2016-08-22 | 2016-12-21 | 江苏大学 | A kind of electric motor car Intelligent charging unit and using method thereof |
| CN207382028U (en) * | 2017-11-08 | 2018-05-18 | 廖朝晖 | It is a kind of that there is intermittent variable-frequency pulse, the repairing type charger of multistage timing function |
| CN110011377A (en) * | 2019-04-20 | 2019-07-12 | 河南品志高新能源科技有限公司 | A kind of lead-acid batteries intelligent charger |
| CN110112804A (en) * | 2019-05-21 | 2019-08-09 | 山东七枭雄新能源技术有限公司 | A kind of lithium battery and lead-acid battery universal charger |
| CN110391688A (en) * | 2019-07-25 | 2019-10-29 | 鲁东大学 | A kind of safe and intelligent charger and charging method |
| CN112600275A (en) * | 2020-12-18 | 2021-04-02 | 朱孔兴 | Automatic charging circuit and charging method thereof |
| CN215071706U (en) * | 2021-04-29 | 2021-12-07 | 浙江法然特浙科科技有限公司 | Control circuit for universal electric vehicle charger |
-
2021
- 2021-04-29 CN CN202110475002.6A patent/CN113352909A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1738148A (en) * | 2005-08-10 | 2006-02-22 | 陈国成 | Battery charger |
| CN201365138Y (en) * | 2009-01-09 | 2009-12-16 | 金小霞 | Lead-acid storage battery maintaining charger for electric vehicle |
| CN202424265U (en) * | 2012-02-09 | 2012-09-05 | 广州市君盘实业有限公司 | Multifunctional intelligent charger based on single chip microcomputer |
| CN203967776U (en) * | 2014-04-28 | 2014-11-26 | 安徽速力洁电子科技有限公司 | A kind of electric car charger that adopts pulse current charge pattern |
| CN105140989A (en) * | 2015-08-26 | 2015-12-09 | 苏州市博得立电源科技有限公司 | Charging control device for charger |
| CN106253395A (en) * | 2016-08-22 | 2016-12-21 | 江苏大学 | A kind of electric motor car Intelligent charging unit and using method thereof |
| CN207382028U (en) * | 2017-11-08 | 2018-05-18 | 廖朝晖 | It is a kind of that there is intermittent variable-frequency pulse, the repairing type charger of multistage timing function |
| CN110011377A (en) * | 2019-04-20 | 2019-07-12 | 河南品志高新能源科技有限公司 | A kind of lead-acid batteries intelligent charger |
| CN110112804A (en) * | 2019-05-21 | 2019-08-09 | 山东七枭雄新能源技术有限公司 | A kind of lithium battery and lead-acid battery universal charger |
| CN110391688A (en) * | 2019-07-25 | 2019-10-29 | 鲁东大学 | A kind of safe and intelligent charger and charging method |
| CN112600275A (en) * | 2020-12-18 | 2021-04-02 | 朱孔兴 | Automatic charging circuit and charging method thereof |
| CN215071706U (en) * | 2021-04-29 | 2021-12-07 | 浙江法然特浙科科技有限公司 | Control circuit for universal electric vehicle charger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113949040A (en) * | 2021-10-19 | 2022-01-18 | 浙江法然特浙科科技有限公司 | Automatic power-off charger system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4857820A (en) | Cordless battery charger | |
| CN101272059B (en) | Battery charger operable for selective one of a plurality of power supplies | |
| EP2942852A1 (en) | Emergency power source | |
| CN108377025B (en) | Charger protection circuit | |
| CN109891704B (en) | Device for starting a vehicle with a power supply | |
| CN101272057B (en) | Portable mobile charging power supply | |
| WO2022068133A1 (en) | Portable vehicle battery quick start device | |
| CN113352909A (en) | Control system and method of hybrid universal charger | |
| CN215071706U (en) | Control circuit for universal electric vehicle charger | |
| CN112816896A (en) | Dual-power direct-current system battery pack remote nuclear capacity control system and control method | |
| CN104882936A (en) | Communication energy storage power supply system | |
| CN112242733A (en) | Lithium battery charging device and method | |
| CN111327107A (en) | Intelligent UPS power supply management system | |
| CN2174006Y (en) | Multifunctional charger | |
| CN115923566A (en) | New energy automobile charging system with self-checking function | |
| CN213602431U (en) | Lithium battery charging device | |
| CN113258637A (en) | Control system of high-performance pulse type charger | |
| CN204761067U (en) | Communication energy storage power supply system | |
| CN212342685U (en) | Control device and storage battery pack remote activation system | |
| GB2447318A (en) | A Lithium Battery pack and system for charging the same | |
| CN201781295U (en) | Intelligent charger | |
| CN111478406A (en) | Intelligent charging equipment | |
| CN213959768U (en) | Built-in touch-sensitive screen lithium electricity machine that charges that has many agreements | |
| WO2021208351A1 (en) | Gasoline engine battery pack, electric starting gasoline engine and gardening tool | |
| CN103595099A (en) | Intelligent digital charging monitoring meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210907 |