CN107364363A - Electri forklift power battery pack Novel charging machine - Google Patents
Electri forklift power battery pack Novel charging machine Download PDFInfo
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- 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
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- 238000001514 detection method Methods 0.000 claims abstract description 49
- 238000013519 translation Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 17
- 230000005611 electricity Effects 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 5
- 230000003750 conditioning effect Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
-
- 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
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)
- 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.
- 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.
- 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. 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. 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.
Priority Applications (1)
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CN201710696399.5A CN107364363A (en) | 2017-08-15 | 2017-08-15 | Electri forklift power battery pack Novel charging machine |
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CN201710696399.5A CN107364363A (en) | 2017-08-15 | 2017-08-15 | Electri forklift power battery pack Novel charging machine |
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Cited By (6)
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 |
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US6232743B1 (en) * | 1997-09-09 | 2001-05-15 | Matsushita Electric Industrial Co., Ltd. | Electric vehicle |
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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 |
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