CN107364363A - Electri forklift power battery pack Novel charging machine - Google Patents

Electri forklift power battery pack Novel charging machine Download PDF

Info

Publication number
CN107364363A
CN107364363A CN201710696399.5A CN201710696399A CN107364363A CN 107364363 A CN107364363 A CN 107364363A CN 201710696399 A CN201710696399 A CN 201710696399A CN 107364363 A CN107364363 A CN 107364363A
Authority
CN
China
Prior art keywords
circuit
charging
voltage
current
input
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
Application number
CN201710696399.5A
Other languages
Chinese (zh)
Inventor
项寿南
陈建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Hua Sky New Energy Science And Technology Ltd Co
Original Assignee
Anhui Hua Sky New Energy Science And Technology Ltd Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Hua Sky New Energy Science And Technology Ltd Co filed Critical Anhui Hua Sky New Energy Science And Technology Ltd Co
Priority to CN201710696399.5A priority Critical patent/CN107364363A/en
Publication of CN107364363A publication Critical patent/CN107364363A/en
Pending legal-status Critical Current

Links

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
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/045—
    • 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
    • B60L2200/00—Type of vehicles
    • B60L2200/40—Working vehicles
    • B60L2200/42—Fork lift trucks
    • 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
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • B60L2210/14—Boost converters
    • 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
    • B60L2210/00—Converter types
    • B60L2210/30—AC to DC converters
    • 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
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/40—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage
    • 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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • 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

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 present invention is a kind of electri forklift power battery pack Novel charging machine, it is characterized in that it is provided with charging circuit, one end of charging circuit is electrically connected with exchanging for input, the other end of charging circuit is connected with electrokinetic cell, and charging circuit enters line translation to the alternating current of input and is powered the direct current of battery to export；The AC detection circuit of the three-phase alternating voltage for the alternating current that detection inputs, three-phase alternating current and phase in real time；The DC detection circuit of the charging voltage of detection electrokinetic cell and charging current in real time；And controller, the controller is connected with AC detection circuit, DC detection circuit and charging circuit respectively, charging voltage and charging current that controller detects according to DC detection circuit judge the mode of operation of charging circuit, are additionally provided with the alternating current-direct current compatible type front stage circuits being connected with controller；Compared with prior art, there is the advantages of rational in infrastructure, working stability etc. is notable.

Description

Electri forklift power battery pack Novel charging machine
Technical field：
The present invention relates to electric battery electrifier technical field, specifically a kind of electri forklift power battery pack is filled with new Motor.
Background technology：
With the progress of science and technology and the development of battery technology, electric energy is power by more and more extensive application, is moved at this stage Power battery includes lead-acid accumulator and lithium ion battery, it is well known that and every kind of battery has the charge characteristic of oneself, so A large amount of charging equipments are that an equipment is equipped with a charger, and distinct device can not be charged with same charger, and tracing it to its cause is Because distinct device employ different charging voltages and charging current (such as different model mobile phone charging voltage be respectively 4.4V and 5V), i.e., charging curve is inconsistent, to charge by force, can damage equipment.
The content of the invention：
The present invention is for shortcoming and defect present in prior art, it is proposed that a kind of electri forklift power battery pack is with newly Type charger.
The present invention is reached by following measures：
A kind of electri forklift power battery pack Novel charging machine, it is characterised in that provided with charging circuit, charging circuit One end is electrically connected with exchanging for input, and the other end of charging circuit is connected with electrokinetic cell, alternating current of the charging circuit to input Enter line translation and be powered the direct current of battery to export；The three-phase alternating voltage of the alternating current of detection input in real time, three are intersected Flow electric current and the AC detection circuit of phase；The DC detecting electricity of the charging voltage of detection electrokinetic cell and charging current in real time Road；And controller, the controller are connected with AC detection circuit, DC detection circuit and charging circuit respectively, controller The charging voltage and charging current that are detected according to DC detection circuit judge the mode of operation of charging circuit, and are detected according to exchange Three-phase alternating voltage, three-phase alternating current, phase and the DC detection circuit inspection of the alternating current of the input of electric circuit inspection The charging voltage and charging current of survey control charging circuit to adjust the voltage range of the first direct current；Be additionally provided with respectively with control Voltage signal acquisition modulate circuit that device is connected, current signal acquisition and conditioning circuit；It is additionally provided with the friendship being connected with controller Direct current compatible type front stage circuits；The alternating current-direct current compatible type front stage circuits are provided with rectification circuit, ac voltage detection circuit, direct current Voltage detecting circuit, pfc circuit, DC/DC booster circuits and pulsewidth modulated intergrated circuit.
Ac voltage detection circuit and external communication input port phase in alternating current-direct current compatible type front stage circuits of the present invention Even, output end is connected with the alternating voltage test side of the pulsewidth modulated intergrated circuit；DC voltage detection circuit with it is outer Portion's direct-flow input end mouth is connected, the output end and the direct current of the pulsewidth modulated intergrated circuit of the DC voltage detection circuit Pressure test side is connected；The input of the rectification circuit is connected with external communication input port, and output end is electric with the PFC respectively The input on road, the input of the DC/DC booster circuits are connected；The output of external dc input port and the rectification circuit End is connected；The output end of the pfc circuit and the output end of the DC/DC booster circuits are connected with rear class power conversion circuit； First PWM drive ends of the pulsewidth modulated intergrated circuit are connected with the pfc circuit, and the of the pulsewidth modulated intergrated circuit Two PWM drive ends are connected with the DC/DC booster circuits；The pfc circuit includes：First FET, the first inductance, first Diode and the first filter capacitor；The drain electrode of first FET is passing through first inductance and the rectification circuit just Be connected to output end, source electrode is connected with the inverse output terminal of the rectification circuit, and the drain electrode of first FET also with The anode of first diode is connected, and grid is connected with the first PWM drive ends of the pulsewidth modulated intergrated circuit；Described One filter capacitor one end is connected with the negative electrode of first diode, and the other end is connected with the source electrode of first FET.
Voltage signal acquisition modulate circuit of the present invention include voltage sensor, the first operational amplifier, the 7th resistance, First potentiometer, a secondary input end both ends pole of voltage sensor connect the output end positive and negative electrode of tested charger, voltage respectively The signal output part of sensor connects the in-phase input end of the first operational amplifier, and the inverting input of the first operational amplifier connects Connect the intermediate contact of the 7th resistance and first the first break of potentiometer, the free ending grounding of the 7th resistance, the first potentiometer Second break, the movable contact of the first potentiometer connect the output end of the first operational amplifier, the output of the first operational amplifier The voltage acquisition signal input part of end connection controller.
Current signal acquisition and conditioning circuit of the present invention includes current sensor, the second operational amplifier, the 9th electricity Resistance, the second potentiometer, current sensor punching is in the direct current negative busbar of tested charger, the signal output part of current sensor The in-phase input end of the second operational amplifier is connected, the inverting input of the second operational amplifier connects the 9th resistance and the second electricity The intermediate contact of the position break of device first, the free ending grounding of the 9th resistance, the second break, the second current potential of the second potentiometer The movable contact of device connects the output end of the second operational amplifier, the electric current of the output end connection microprocessor of the second operational amplifier Gather signal input part.
The present invention is additionally provided with the serial communication circuit and wireless communication module being connected with controller, and wireless communication module is adopted With network transformer/RJ45 interface chip HR911105A, controller uses single-chip microcomputer.
The present invention can not only complete basic charging operations in the course of the work, and can gather the work of charger Parameter, outside host computer is uploaded to by network communications circuits, so as to provide reliable basis for monitoring charger working condition, with Prior art is compared, and has the advantages of rational in infrastructure, working stability etc. is notable.
Brief description of the drawings：
Accompanying drawing 1 is the structured flowchart of the present invention.
Reference：Before charging circuit 1, AC detection circuit 2, DC detection circuit 3, controller 4, alternating current-direct current compatible type Level circuit 5.
Embodiment：
The present invention is further illustrated below in conjunction with the accompanying drawings.
As shown in drawings, the present invention proposes a kind of electri forklift power battery pack Novel charging machine, it is characterised in that Provided with charging circuit 1, one end of charging circuit 1 is electrically connected with exchanging for input, the other end and the electrokinetic cell phase of charging circuit 1 Even, charging circuit 1 enters line translation to the alternating current of input and is powered the direct current of battery to export；The friendship of detection input in real time Flow the AC detection circuit 2 of electric three-phase alternating voltage, three-phase alternating current and phase；The charging electricity of detection electrokinetic cell in real time The DC detection circuit 3 of pressure and charging current；And controller 4, the controller 4 are examined with AC detection circuit 2, direct current respectively Slowdown monitoring circuit 3 is connected with charging circuit 1, and the charging voltage and charging current that controller 4 detects according to DC detection circuit judge to fill The mode of operation of circuit, and three-phase alternating voltage, the three-phase of the alternating current of the input detected according to AC detection circuit Alternating current, the charging voltage of phase and DC detection circuit detection and charging current control charging circuit are straight to adjust first Flow the voltage range of electricity；It is additionally provided with the voltage signal acquisition modulate circuit being connected respectively with controller, current signal collection is adjusted Manage circuit；It is additionally provided with the alternating current-direct current compatible type front stage circuits 5 being connected with controller；The alternating current-direct current compatible type front stage circuits 5 Adjusted provided with rectification circuit, ac voltage detection circuit, DC voltage detection circuit, pfc circuit, DC/DC booster circuits and pulsewidth Integrated circuit processed.
Ac voltage detection circuit and external communication input port phase in alternating current-direct current compatible type front stage circuits of the present invention Even, output end is connected with the alternating voltage test side of the pulsewidth modulated intergrated circuit；DC voltage detection circuit with it is outer Portion's direct-flow input end mouth is connected, the output end and the direct current of the pulsewidth modulated intergrated circuit of the DC voltage detection circuit Pressure test side is connected；The input of the rectification circuit is connected with external communication input port, and output end is electric with the PFC respectively The input on road, the input of the DC/DC booster circuits are connected；The output of external dc input port and the rectification circuit End is connected；The output end of the pfc circuit and the output end of the DC/DC booster circuits are connected with rear class power conversion circuit； First PWM drive ends of the pulsewidth modulated intergrated circuit are connected with the pfc circuit, and the of the pulsewidth modulated intergrated circuit Two PWM drive ends are connected with the DC/DC booster circuits；The pfc circuit includes：First FET, the first inductance, first Diode and the first filter capacitor；The drain electrode of first FET is passing through first inductance and the rectification circuit just Be connected to output end, source electrode is connected with the inverse output terminal of the rectification circuit, and the drain electrode of first FET also with The anode of first diode is connected, and grid is connected with the first PWM drive ends of the pulsewidth modulated intergrated circuit；Described One filter capacitor one end is connected with the negative electrode of first diode, and the other end is connected with the source electrode of first FET.
Voltage signal acquisition modulate circuit of the present invention include voltage sensor, the first operational amplifier, the 7th resistance, First potentiometer, a secondary input end both ends pole of voltage sensor connect the output end positive and negative electrode of tested charger, voltage respectively The signal output part of sensor connects the in-phase input end of the first operational amplifier, and the inverting input of the first operational amplifier connects Connect the intermediate contact of the 7th resistance and first the first break of potentiometer, the free ending grounding of the 7th resistance, the first potentiometer Second break, the movable contact of the first potentiometer connect the output end of the first operational amplifier, the output of the first operational amplifier The voltage acquisition signal input part of end connection controller.
Current signal acquisition and conditioning circuit of the present invention includes current sensor, the second operational amplifier, the 9th electricity Resistance, the second potentiometer, current sensor punching is in the direct current negative busbar of tested charger, the signal output part of current sensor The in-phase input end of the second operational amplifier is connected, the inverting input of the second operational amplifier connects the 9th resistance and the second electricity The intermediate contact of the position break of device first, the free ending grounding of the 9th resistance, the second break, the second current potential of the second potentiometer The movable contact of device connects the output end of the second operational amplifier, the electric current of the output end connection microprocessor of the second operational amplifier Gather signal input part.
The present invention is additionally provided with the serial communication circuit and wireless communication module being connected with controller, and wireless communication module is adopted With network transformer/RJ45 interface chip HR911105A, controller uses single-chip microcomputer.
The present invention can not only complete basic charging operations in the course of the work, and can gather the work of charger Parameter, outside host computer is uploaded to by network communications circuits, so as to provide reliable basis for monitoring charger working condition, with Prior art is compared, and has the advantages of rational in infrastructure, working stability etc. is notable.

Claims (5)

  1. A kind of 1. electri forklift power battery pack Novel charging machine, it is characterised in that provided with charging circuit, the one of charging circuit Hold and be electrically connected with exchanging for input, the other end of charging circuit is connected with electrokinetic cell, and charging circuit enters to the alternating current of input Line translation is powered the direct current of battery to export；Three-phase alternating voltage, the three-phase alternating current of the alternating current of detection input in real time The AC detection circuit of electric current and phase；The DC detection circuit of the charging voltage of detection electrokinetic cell and charging current in real time； And controller, the controller are connected with AC detection circuit, DC detection circuit and charging circuit respectively, controller according to The charging voltage and charging current of DC detection circuit detection judge the mode of operation of charging circuit, and according to AC detection circuit What three-phase alternating voltage, three-phase alternating current, phase and the DC detection circuit of the alternating current of the input of detection detected Charging voltage and charging current control charging circuit to adjust the voltage range of the first direct current；Be additionally provided with respectively with controller phase The voltage signal acquisition modulate circuit of connection, current signal acquisition and conditioning circuit；It is additionally provided with the alternating current-direct current being connected with controller Compatible type front stage circuits；The alternating current-direct current compatible type front stage circuits are provided with rectification circuit, ac voltage detection circuit, DC voltage Detect circuit, pfc circuit, DC/DC booster circuits and pulsewidth modulated intergrated circuit.
  2. A kind of 2. electri forklift power battery pack Novel charging machine according to claim 1, it is characterised in that the friendship Ac voltage detection circuit is connected with external communication input port in direct current compatible type front stage circuits, and output end is adjusted with the pulsewidth The alternating voltage test side of integrated circuit processed is connected；The DC voltage detection circuit is connected with external dc input port, institute The output end for stating DC voltage detection circuit is connected with the DC voltage test side of the pulsewidth modulated intergrated circuit；The rectification The input of circuit is connected with external communication input port, the output end input with the pfc circuit, the DC/DC respectively The input of booster circuit is connected；External dc input port is connected with the output end of the rectification circuit；The pfc circuit Output end and the output end of the DC/DC booster circuits are connected with rear class power conversion circuit；The pulsewidth modulated intergrated circuit The first PWM drive ends be connected with the pfc circuit, the 2nd PWM drive ends of the pulsewidth modulated intergrated circuit and the DC/ DC booster circuits are connected；The pfc circuit includes：First FET, the first inductance, the first diode and the first filtered electrical Hold；The drain electrode of first FET is connected by first inductance with the positive output end of the rectification circuit, source electrode It is connected with the inverse output terminal of the rectification circuit, and sun of the drain electrode of first FET also with first diode Extremely it is connected, grid is connected with the first PWM drive ends of the pulsewidth modulated intergrated circuit；Described first filter capacitor one end and institute The negative electrode for stating the first diode is connected, and the other end is connected with the source electrode of first FET.
  3. A kind of 3. electri forklift power battery pack Novel charging machine according to claim 1, it is characterised in that the electricity Signal collection modulation circuit is pressed to include voltage sensor, the first operational amplifier, the 7th resistance, the first potentiometer, voltage sensor One secondary input end both ends pole of device connects the output end positive and negative electrode of tested charger, the signal output part of voltage sensor respectively The in-phase input end of the first operational amplifier is connected, the inverting input of the first operational amplifier connects the 7th resistance and the first electricity The intermediate contact of the position break of device first, the free ending grounding of the 7th resistance, the second break, the first current potential of the first potentiometer The movable contact of device connects the output end of the first operational amplifier, and the voltage of the output end connection controller of the first operational amplifier is adopted Collect signal input part.
  4. 4. a kind of electri forklift power battery pack Novel charging machine according to claim 1, it is characterised in that described Current signal acquisition and conditioning circuit includes current sensor, the second operational amplifier, the 9th resistance, the second potentiometer, and electric current passes For sensor punching in the direct current negative busbar of tested charger, the signal output part of current sensor connects the second operational amplifier In-phase input end, the inverting input of the second operational amplifier connect the centre of the 9th resistance and second the first break of potentiometer Contact, the free ending grounding of the 9th resistance, the second break of the second potentiometer, the fortune of movable contact connection second of the second potentiometer Calculate the output end of amplifier, the current acquisition signal input part of the output end connection microprocessor of the second operational amplifier.
  5. 5. a kind of electri forklift power battery pack Novel charging machine according to claim 1, it is characterised in that be additionally provided with The serial communication circuit and wireless communication module being connected with controller, wireless communication module are connect using network transformer/RJ45 Mouth chip HR911105A, controller use single-chip microcomputer.
CN201710696399.5A 2017-08-15 2017-08-15 Electri forklift power battery pack Novel charging machine Pending CN107364363A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710696399.5A CN107364363A (en) 2017-08-15 2017-08-15 Electri forklift power battery pack Novel charging machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710696399.5A CN107364363A (en) 2017-08-15 2017-08-15 Electri forklift power battery pack Novel charging machine

Publications (1)

Publication Number Publication Date
CN107364363A true CN107364363A (en) 2017-11-21

Family

ID=60309837

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710696399.5A Pending CN107364363A (en) 2017-08-15 2017-08-15 Electri forklift power battery pack Novel charging machine

Country Status (1)

Country Link
CN (1) CN107364363A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107769350A (en) * 2017-12-04 2018-03-06 合肥国盛电池科技有限公司 Isolated compatible type preventing bursting charging motor device
CN107769344A (en) * 2017-12-06 2018-03-06 合肥国盛电池科技有限公司 Compatible type electri forklift battery pack charging control device
CN107910918A (en) * 2017-12-04 2018-04-13 合肥国盛电池科技有限公司 The charger device that isolated compatible type charging curve is replaced
CN107947313A (en) * 2017-12-04 2018-04-20 合肥国盛电池科技有限公司 Environment protection vehicular electri forklift charger device
CN107947310A (en) * 2017-12-07 2018-04-20 合肥国盛电池科技有限公司 New-type compatible type power battery pack charging controller
CN107959337A (en) * 2017-12-05 2018-04-24 合肥国盛电池科技有限公司 Based on the compatible Vehicular battery group charging controller of charging

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6232743B1 (en) * 1997-09-09 2001-05-15 Matsushita Electric Industrial Co., Ltd. Electric vehicle
US20110215743A1 (en) * 2010-03-08 2011-09-08 Kabushiki Kaisha Toyota Jidoshokki Battery charging circuit and charging method
WO2011118711A1 (en) * 2010-03-26 2011-09-29 三菱重工業株式会社 Battery pack and battery control system
CN107240950A (en) * 2017-08-14 2017-10-10 安徽华凯新能源科技有限公司 Power battery pack Novel charging machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6232743B1 (en) * 1997-09-09 2001-05-15 Matsushita Electric Industrial Co., Ltd. Electric vehicle
US20110215743A1 (en) * 2010-03-08 2011-09-08 Kabushiki Kaisha Toyota Jidoshokki Battery charging circuit and charging method
WO2011118711A1 (en) * 2010-03-26 2011-09-29 三菱重工業株式会社 Battery pack and battery control system
CN107240950A (en) * 2017-08-14 2017-10-10 安徽华凯新能源科技有限公司 Power battery pack Novel charging machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107769350A (en) * 2017-12-04 2018-03-06 合肥国盛电池科技有限公司 Isolated compatible type preventing bursting charging motor device
CN107910918A (en) * 2017-12-04 2018-04-13 合肥国盛电池科技有限公司 The charger device that isolated compatible type charging curve is replaced
CN107947313A (en) * 2017-12-04 2018-04-20 合肥国盛电池科技有限公司 Environment protection vehicular electri forklift charger device
CN107959337A (en) * 2017-12-05 2018-04-24 合肥国盛电池科技有限公司 Based on the compatible Vehicular battery group charging controller of charging
CN107769344A (en) * 2017-12-06 2018-03-06 合肥国盛电池科技有限公司 Compatible type electri forklift battery pack charging control device
CN107947310A (en) * 2017-12-07 2018-04-20 合肥国盛电池科技有限公司 New-type compatible type power battery pack charging controller

Similar Documents

Publication Publication Date Title
CN107364363A (en) Electri forklift power battery pack Novel charging machine
CN101697430B (en) Power control method based CT electricity getting device of high voltage transmission line
CN105226735B (en) A kind of alternating current-direct current compatible type Vehicular charger front stage circuits and Vehicular charger
CN204556759U (en) A kind of alternating-current charging pile proving installation
CN204559192U (en) A kind of direct-current charging post testing apparatus
CN206908337U (en) A kind of AC/D.C. compatible on-board charging system
CN103178595A (en) Mobile phone adapter
CN203896021U (en) Direct current-alternating current compatibility type vehicle-mounted charging machine pre-stage circuit and vehicle-mounted charging machine
CN109633240B (en) Power battery pack voltage detection method and device
CN107240950A (en) Power battery pack Novel charging machine
CN208174567U (en) A kind of embedded power-supply system
CN203750901U (en) AC-DC (Alternating Current-Direct Current) dual-purpose cleaning machine
CN205429847U (en) Mining charging device with two closed -loop control
CN205070531U (en) Double -H groove weld SB fills socket soon
CN204028262U (en) The pick-up unit of non-Vehicular charger
CN103248099B (en) A kind of intelligent charge control circuit
CN107444166A (en) Electri forklift power battery pack preventing bursting charging motor
CN107947310A (en) New-type compatible type power battery pack charging controller
CN206906552U (en) A kind of battery pack detecting system
CN107231033A (en) Novel power battery group based on charging conditioning
CN103078369B (en) Lithium battery power shortage active device
CN107364361A (en) Electri forklift safety charger
CN201048302Y (en) Constant-current charger
CN203929900U (en) Simple and easy three-phase power supply phase sequence indicator
CN203278326U (en) Intelligent charging control circuit

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
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20171121

WD01 Invention patent application deemed withdrawn after publication