CN107512185A - A kind of intelligent electric aid vehicle charger - Google Patents
A kind of intelligent electric aid vehicle charger Download PDFInfo
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- CN107512185A CN107512185A CN201710748808.1A CN201710748808A CN107512185A CN 107512185 A CN107512185 A CN 107512185A CN 201710748808 A CN201710748808 A CN 201710748808A CN 107512185 A CN107512185 A CN 107512185A
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- state relay
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- mcu units
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- 238000001514 detection method Methods 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims description 14
- 239000013078 crystal Substances 0.000 claims description 9
- 230000001012 protector Effects 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 241000256844 Apis mellifera Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 241000894007 species Species 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
- B60L53/60—Monitoring or controlling charging stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/11—DC charging controlled by the charging station, e.g. mode 4
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
-
- H02J7/027—
-
- 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
- B60L2200/24—Personal mobility 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
- 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
- Y02T90/12—Electric charging stations
-
- 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 provides a kind of intelligent electric aid vehicle charger, including civil power input interface, power management module, the first solid-state relay, the second solid-state relay, the 3rd solid-state relay, the 4th solid-state relay, display screen, MCU units, sim module, temperature sensor, drive circuit, buzzer, LED, button, trickle charge circuit, fast charge circuit, current detection module and storage battery charging inlet；The charger has overheat protector, includes automatically with manual switching charge mode, charge mode：Fast charge pattern, trickle charge pattern, mix mold filling formula, the time of charging can be shown simultaneously, owner is notified that after charging complete, and the size of charging circuit electric current can be detected, to ensure really to accomplish after charging complete that storage battery disconnects with charging circuit, prevents from filling bad storage battery, the power supply of charging circuit is disconnected afterwards, is more economized on resources.
Description
Technical field
The present invention relates to Moped Scooter charging technique field, especially a kind of intelligent electric aid vehicle charger, have
Temperature monitoring, status display, full of alarm, open circuit in time, telecommunication the function such as report to.
Background technology
As the improvement of people's living standards, environmental consciousness gradually strengthens, Moped Scooter number of species is more and more, gives
People's trip brings great convenience.The charging of most of electric bicycle batteries be all from family lead to bicycle shed, existing charger
Exist storage battery it is fully charged after can not be disconnected with charging circuit, cause storage battery to overcharge, cause storage battery deformation or even explode, temperature during charging
Height is spent, fire easily occurs, is caused any property loss, the problems such as charge mode function is single, and user can not know charged state.
The content of the invention
It is an object of the invention to provide a kind of intelligent electric aid vehicle charger, possesses overheat protector, charges disconnection company
Connect, the function of real-time display charger states.
To achieve these goals, the concrete technical scheme that uses of the present invention is：A kind of intelligent electric aid vehicle charger,
Including civil power input interface, power management module, the first solid-state relay, the second solid-state relay, the 3rd solid-state relay,
It is four solid-state relays, display screen, MCU units, sim module, temperature sensor, drive circuit, buzzer, LED, button, slow
Charging circuit, fast charge circuit, current detection module and storage battery charging inlet；The civil power input interface and the first solid-state relay,
First contact portion of the load end of the second solid-state relay, the second contact of the load end of first solid-state relay with it is slow
The input connection of charging circuit, the second contact of the load end of second solid-state relay connects with the input of fast charge circuit
Connect, the output end of the trickle charge circuit and the output end of fast charge circuit are touched with the first of the load end of the 3rd solid-state relay simultaneously
Point connection, the second contact of the load end of the 3rd solid-state relay are connected with the first end of storage battery charging inlet, described slow
The earth terminal of charging circuit and the earth terminal of fast charge circuit while the first contact portion with the load end of the 4th solid-state relay, institute
State the second contact of the load end of the 4th solid-state relay to be connected with the second end of storage battery charging inlet, the civil power input interface
It is connected with the input of power management module, the power management module is provided as civil power being converted into direct current electricity output and its is defeated
Go out end to be connected and supply with MCU units, display screen, sim module, temperature sensor, drive circuit, LED, current detection module
Electricity, the temperature feedback that the temperature sensor is provided as gathering in charger give MCU units, and the display screen is provided as display and filled
The real time charging data value of electrical equipment, the sim module are provided as outwardly sending information, and the LED is configured to instruction charging
Working condition described in device, the display screen, sim module, temperature sensor, drive circuit, LED and current detection module with
MCU units are connected, and the drive circuit is connected with buzzer to drive buzzer, and the button is connected with MCU units, the electricity
The output end of source control module respectively with the first solid-state relay, the second solid-state relay, the 3rd solid-state relay, the 4th solid-state
First contact portion of the control terminal of relay, first solid-state relay, the second solid-state relay, the 3rd solid-state relay
It is connected respectively with MCU units with the second contact of the control terminal of the 4th solid-state relay, the current detection module is connected to electricity
In the circuit of bottle charging inlet MCU units are fed back to detect charging current.
In said structure, charger possesses three kinds of charge modes：Fast charge pattern, trickle charge pattern, mixing mold filling formula, it is described
Mixing mold filling formula carries out trickle charge again when referring to be charged to certain electricity soon, and user can be according to corresponding to selecting the demand of oneself
Pattern, it is only necessary to which MCU units control the first solid-state relay or the second solid-state relay that corresponding charging module may be selected.
MCU units can show the real time charging data value of the chargers such as the time of charging, charge mode, charger temperature
Onto display screen, corresponding LED is bright, so that user refers to, knows the charged state of charger.
If heat, charger temperature is too high, and fire, temperature sensor monitors fast charge circuit and trickle charge easily occurs
The temperature conditions of circuit, if temperature exceedes certain value, MCU units are first cut with the 3rd solid-state relay and the 4th solid-state relay
Power off bottle and trickle charge circuit（Or fast charge circuit）Connection, then cut off city with the first solid-state relay and the second solid-state relay
Electricity and trickle charge circuit（Or fast charge circuit）Connection, treat temperature drop to one timing, recover charge, to realize overtemperature protection；Fill
After the completion of electricity, storage battery and trickle charge circuit can be also disconnected（Or fast charge circuit）Connection, disconnect civil power and trickle charge circuit（Or fast charge
Circuit）Connection, prevent storage battery from overcharging, damage storage battery.
When charger temperature exceedes certain value, MCU units can drive thumper to alarm by drive circuit（After alarm 3s
Close）, temperature anomaly indicator lamp is bright, then reminds user by sim module with short message；User can be specific with direct editing
Short message sending after charger parsing, can complete the storage of short message receiving number, short message receiving number is stored in charger
In the MCU units EEPROM of itself, other specification can also be changed, such as to quickly charge to percent in mixing mold filling formula how many
Entering trickle charge pattern, if local alarm etc..
Further, the LED include power supply indicator, fast charge indicator lamp, trickle charge indicator lamp, mixing fill indicator lamp and
Temperature anomaly indicator lamp, the power supply indicator, fast charge indicator lamp, trickle charge indicator lamp, indicator lamp is filled in mixing and temperature anomaly refers to
Show that lamp is connected with MCU units respectively.
Further, the drive circuit uses transistor amplifier, simple in construction, practical, and cost is low.
Further, the MCU units use single-chip microcomputer minimum work system, and it includes single-chip microcomputer, crystal oscillating circuit and answered
Position circuit, the crystal oscillating circuit and reset circuit are connected with single-chip microcomputer respectively, and the power management module is powered to single-chip microcomputer.
Compared with prior art, the beneficial effects of the present invention are：（1）Charger possesses three kinds of charge modes：Fast mold filling
Formula, trickle charge pattern, mixing mold filling formula, user can carry out selecting corresponding pattern according to the demand of oneself.（2）It will can fill simultaneously
Time of electricity, charge mode, the status display of the charger such as charger temperature are on display screen.（3）If heat, cause
Charger temperature is too high, and fire easily occurs, and the device has a function of overtemperature protection, temperature sensor monitors fast charge circuit and
The temperature conditions of trickle charge circuit, if temperature exceedes certain value, first cut off storage battery and trickle charge circuit with solid-state relay（Or fast charge
Circuit）Connection, then cut off civil power and trickle charge circuit with solid-state relay（Or fast charge circuit）Connection, treat that temperature drops to one
Regularly, then recover to charge.（4）After charging complete, storage battery and trickle charge circuit can be also disconnected（Or fast charge circuit）Connection, disconnect
Civil power and trickle charge circuit（Or fast charge circuit）Connection, prevent storage battery from overcharging, damage storage battery, and local acousto-optic report can be passed through
It is alert（Closed after alarm 3s）, short message remind user.（5）User can fill with the specific short message sending of direct editing to charger
After electrical equipment parsing, the storage of short message receiving number can be completed, short message receiving number is stored in the MCU units EEPROM of itself
In, it can also change quickly charging to how much percent entering trickle charge pattern in other specification, such as mixing mold filling formula, if
Local alarm etc..
Brief description of the drawings
Fig. 1 is the charger construction schematic diagram of the present invention.
Fig. 2 is the control circuit structural representation of the present invention.
Fig. 3 is the charging circuit configuration schematic diagram of the present invention.
Fig. 4 is the MCU unit minimum system electrical block diagrams of the present invention.
Fig. 5 is the driving circuit structure schematic diagram of the present invention.
Embodiment
To make present disclosure clearer, below in conjunction with the accompanying drawings, the embodiment of the present invention is made further
It is described in detail.It should be noted that for purposes of clarity, eliminate that unrelated to the invention, this area is common in accompanying drawing and explanation
The expression and description of part known to technical staff.
Embodiment 1 is with reference to figure 1- Fig. 3, a kind of intelligent electric aid vehicle charger, including civil power input interface, power supply pipe
Manage module, the first solid-state relay, the second solid-state relay, the 3rd solid-state relay, the 4th solid-state relay, display screen, MCU
Unit, sim module, temperature sensor, drive circuit, buzzer, LED, button, trickle charge circuit, fast charge circuit, current detecting
Module and storage battery charging inlet；Charging circuit configuration schematic diagram in the charger shown in Fig. 3, the civil power input interface and the
One solid-state relay, the second solid-state relay load end the first contact portion, the load end of first solid-state relay
The second contact be connected with the input of trickle charge circuit, the second contact of the load end of second solid-state relay and charging quickly
The input connection on road, the output end of the trickle charge circuit and the output end of fast charge circuit are simultaneously negative with the 3rd solid-state relay
Carry first contact portion at end, the second contact of the load end of the 3rd solid-state relay and the first end of storage battery charging inlet
Connection, the earth terminal of the trickle charge circuit and the earth terminal of fast charge circuit while first with the load end of the 4th solid-state relay
Contact portion, the second contact of load end of the 4th solid-state relay are connected with the second end of storage battery charging inlet；Fig. 2 institutes
Showing the control circuit structural representation in the charger, the input of the civil power input interface and power management module connects,
The power management module is provided as civil power being converted into direct current electricity output and its output end and MCU units, display screen, SIM moulds
Block, temperature sensor, drive circuit, LED, current detection module are connected and powered, and the temperature sensor is provided as gathering
Temperature feedback in charger gives MCU units, and the display screen is provided as showing the real time charging data value of charger, described
Sim module is provided as outwardly sending information, the LED be configured to indicate charger described in working condition, the display screen,
Sim module, temperature sensor, drive circuit, LED and current detection module are connected with MCU units, the drive circuit and honeybee
Device connection ring to drive buzzer, the button is connected with MCU units, and the output end of the power management module is respectively with first
Solid-state relay, the second solid-state relay, the 3rd solid-state relay, the 4th solid-state relay control terminal the first contact connect
Connect, first solid-state relay, the second solid-state relay, the control terminal of the 3rd solid-state relay and the 4th solid-state relay
Second contact is connected with MCU units respectively, and the current detection module is connected in the circuit of storage battery charging inlet to be filled with detecting
Electric current feedback gives MCU units.The power management module can use Switching Power Supply, and the current detection module is adopted using electric current
Collect module, such as current sensor.
The LED fills indicator lamp and temperature anomaly including power supply indicator, fast charge indicator lamp, trickle charge indicator lamp, mixing
Indicator lamp and temperature anomaly indicator lamp difference are filled in indicator lamp, the power supply indicator, fast charge indicator lamp, trickle charge indicator lamp, mixing
It is connected with MCU units, multiple indicator lamps are used to represent which kind of working condition charger is in.
In said structure, charger possesses three kinds of charge modes：Fast charge pattern, trickle charge pattern, mixing mold filling formula, it is described
Mixing mold filling formula carries out trickle charge again when referring to be charged to certain electricity soon, and user can be according to corresponding to selecting the demand of oneself
Pattern, it is only necessary to which MCU units control the first solid-state relay or the second solid-state relay that corresponding charging module may be selected.
MCU units can show the real time charging data value of the chargers such as the time of charging, charge mode, charger temperature
Onto display screen, corresponding LED is bright, so that user refers to, knows the charged state of charger.
If heat, charger temperature is too high, and fire, temperature sensor monitors fast charge circuit and trickle charge easily occurs
The temperature conditions of circuit, if temperature exceedes certain value, MCU units are first cut with the 3rd solid-state relay and the 4th solid-state relay
Power off bottle and trickle charge circuit（Or fast charge circuit）Connection, then cut off city with the first solid-state relay and the second solid-state relay
Electricity and trickle charge circuit（Or fast charge circuit）Connection, treat temperature drop to one timing, recover charge, to realize overtemperature protection；Fill
After the completion of electricity, storage battery and trickle charge circuit can be also disconnected（Or fast charge circuit）Connection, disconnect civil power and trickle charge circuit（Or fast charge
Circuit）Connection, prevent storage battery from overcharging, damage storage battery.
When charger temperature exceedes certain value, MCU units can drive thumper to alarm by drive circuit（After alarm 3s
Close）, temperature anomaly indicator lamp is bright, then reminds user by sim module with short message；User can be specific with direct editing
Short message sending after charger parsing, can complete the storage of short message receiving number, short message receiving number is stored in charger
In the MCU units EEPROM of itself, other specification can also be changed, such as to quickly charge to percent in mixing mold filling formula how many
Entering trickle charge pattern, if local alarm etc..
Specifically, the MCU units use single-chip microcomputer minimum work system, and it includes single-chip microcomputer, crystal oscillating circuit and reset
Circuit, the crystal oscillating circuit and reset circuit are connected with single-chip microcomputer respectively, and the power management module is powered to single-chip microcomputer, MCU
Unit minimum system is as shown in figure 4, including power supply（VCC3.3）, single-chip microcomputer (STM32Fxxx), crystal oscillating circuit is (during high speed outer
Clock circuit (HSL：C20, C21, Y2, R21), (low speed external clock circuit LSE：C23, C24, Y3)), reset circuit（R22、
C22、R23、S3）Four parts form, and power sources in parallel C26, C27, C28 have reached good filtering.In the minimum system of design,
Add 1M resistance R21 in high speed outer clock circuit (HSL), it functions as impedance matching, makes the driving electricity of crystal
Road or crystal are in better condition of work in itself.Reset circuit is resetted by button and electrification reset two parts form,（1）On
Reset：STM32 series monolithic and for low level reset, generally on reset pin NRST connect an electric capacity（C22）Arrive
GND, reconnect a resistance（R22）To VCC, it is consequently formed a RC charging and discharging circuit and ensures single-chip microcomputer NRST pin when upper electric
On have enough time low level resetted, then revert to high level and enter normal operating conditions.（2）Button resets：Press
It is exactly a switch in parallel, the electric capacity when switch is pressed in reset capacitance (C22) that key, which resets,（C22）Be discharged, NRST also by
Move low level to, and due to electric capacity（C22）Charging, the low level of a period of time can be kept to make monolithic processor resetting.
The structural representation of drive circuit shown in Fig. 5, single-chip microcomputer exports a control signal by I/O mouths, by upper
Pull-up resistor（R2）Pulled up, pass through current-limiting resistance（R3）Into PNP（Q1）Base stage, when I/O mouths export low level, make PNP
Triode（Q1）Conducting, drive buzzer sounding.
It is common, charger be provided be used for built-in civil power input interface, power management module, solid-state relay, display screen,
MCU units, sim module, temperature sensor, drive circuit, buzzer, LED, button, trickle charge circuit, fast charge circuit, electric current
The housing of detection module and storage battery charging inlet, wherein trickle charge circuit, fast charge circuit, power management module, current detection module,
Sim module etc. is prior art, is commercially available product or obtains circuit structure by existing data.
A kind of intelligent electric aid vehicle charger of the present invention is when making：
MCU units use the STM32 single-chip microcomputers of ST companies, aim at high-performance, low cost, the Embedded Application of low-power consumption and specially set
The ARM Cortex kernels of meter, peripheral interface are very abundant.
Buzzer uses simplest active buzzer, and MCU units are directly to the transistor base one in amplifying circuit
Fixed level, it can just continue sounding.
Display screen uses 0.96 cun of OLED lamp display screen（12864 liquid crystal displays）, it is that one kind has SPI/IIC interface modes,
Driving chip SSD1306 is integrated in display screen, the internal lattice graphics lcd containing national standard one-level, two level simplified form of Chinese Character character library
Display module；Its display resolution is 128 × 64, built-in 8192 16*16 point Chinese characters, and 128 16*8 point ASCII words
Symbol collection.
The innovative point of the invention is as follows：
1st, charger internal parameter directly can be changed by sending specific short message（Fast charge trickle charge is filled in short message receiving number, mixing
Ratio, if local alarm etc.）.
2nd, charger possesses two kinds of charging circuits, three kinds of charge modes, and user can be selected according to the situation of oneself.
3rd, charger has overheat protective function.
4th, charger has full of the local alarm of progress, the long-range connection for reporting to and disconnecting storage battery and charger automatically,
It is automatic to disconnect civil power and charging circuit（Fast charge circuit, trickle charge circuit）Connection.
5th, the charger has the charging interval cumulative and the function of real-time display, and the information such as pattern are carried out by display screen
Display.
Finally it should be noted that：Above-mentioned embodiment is used for illustrating the present invention, rather than the present invention is carried out
Limitation, the technical scheme that can be still illustrated for those skilled in the art embodiment are modified, and
Any modifications and changes made to the present invention also should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of intelligent electric aid vehicle charger, it is characterised in that including civil power input interface, power management module, first
Solid-state relay, the second solid-state relay, the 3rd solid-state relay, the 4th solid-state relay, display screen, MCU units, SIM moulds
Block, temperature sensor, drive circuit, buzzer, LED, button, trickle charge circuit, fast charge circuit, current detection module and storage battery
Charging inlet；The civil power input interface and the first solid-state relay, the second solid-state relay load end the first contact connect
Connect, the second contact of the load end of first solid-state relay is connected with the input of trickle charge circuit, second solid-state after
Second contact of the load end of electrical equipment is connected with the input of fast charge circuit, the output end of the trickle charge circuit and fast charge circuit
Output end while the first contact portion with the load end of the 3rd solid-state relay, the load end of the 3rd solid-state relay
Second contact is connected with the first end of storage battery charging inlet, and the earth terminal of the trickle charge circuit and the earth terminal of fast charge circuit are simultaneously
With the first contact portion of the load end of the 4th solid-state relay, the second contact of the load end of the 4th solid-state relay with
The second end connection of storage battery charging inlet, the input connection of the civil power input interface and power management module, the power supply
Management module is provided as civil power being converted into direct current electricity output and its output end passes with MCU units, display screen, sim module, temperature
Sensor, drive circuit, LED, current detection module are connected and powered, and the temperature sensor is provided as gathering in charger
Temperature feedback gives MCU units, and the display screen is provided as showing the real time charging data value of charger, and the sim module is equipped with
Outwardly to send information, the LED is configured to indicate working condition described in charger, the display screen, sim module, temperature
Degree sensor, drive circuit, LED and current detection module are connected with MCU units, the drive circuit be connected with buzzer with
Drive buzzer, the button is connected with MCU units, the output end of the power management module respectively with the first solid-state relay
Device, the second solid-state relay, the 3rd solid-state relay, the 4th solid-state relay control terminal the first contact portion, described
One solid-state relay, the second solid-state relay, the 3rd solid-state relay and the 4th solid-state relay control terminal the second contact
It is connected respectively with MCU units, the current detection module is connected to anti-to detect charging current in the circuit of storage battery charging inlet
Feed MCU units.
2. a kind of intelligent electric aid vehicle charger as claimed in claim 1, it is characterised in that the LED includes power supply
Indicator lamp and temperature anomaly indicator lamp, the power supply indicator, fast charge are filled in indicator lamp, fast charge indicator lamp, trickle charge indicator lamp, mixing
Indicator lamp, trickle charge indicator lamp, indicator lamp is filled in mixing and temperature anomaly indicator lamp is connected with MCU units respectively.
3. a kind of intelligent electric aid vehicle charger as claimed in claim 1, it is characterised in that the drive circuit uses three
Pole pipe amplifying circuit.
4. a kind of intelligent electric aid vehicle charger as claimed in claim 1, it is characterised in that the MCU units are using single
Piece machine minimum work system, it includes single-chip microcomputer, crystal oscillating circuit and reset circuit, the crystal oscillating circuit and reset circuit respectively with
Single-chip microcomputer is connected, and the power management module is powered to single-chip microcomputer.
5. a kind of intelligent electric aid vehicle charger as claimed in claim 1, it is characterised in that the current detection module is adopted
Use current acquisition module.
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| CN201710748808.1A CN107512185B (en) | 2017-08-28 | 2017-08-28 | Intelligent electric power-assisted vehicle charger |
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| CN201710748808.1A CN107512185B (en) | 2017-08-28 | 2017-08-28 | Intelligent electric power-assisted vehicle charger |
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| CN107512185B CN107512185B (en) | 2023-05-23 |
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Cited By (1)
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| CN112428836A (en) * | 2020-11-06 | 2021-03-02 | 广州小鹏汽车科技有限公司 | Charging system, control method of charging system and electric automobile |
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| Publication number | Publication date |
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| CN107512185B (en) | 2023-05-23 |
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