CN205565853U - Electric motor car battery charge protection ware - Google Patents
Electric motor car battery charge protection ware Download PDFInfo
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- CN205565853U CN205565853U CN201620353535.1U CN201620353535U CN205565853U CN 205565853 U CN205565853 U CN 205565853U CN 201620353535 U CN201620353535 U CN 201620353535U CN 205565853 U CN205565853 U CN 205565853U
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Abstract
The utility model discloses an electric motor car battery charge protection ware, including the casing, be provided with power module, master controller module, electronic switch module, current sample module, load access identification module and display module in the casing, power module's output is connected with master controller module, electronic switch module, current sample module, load access identification module, display module respectively, and master controller module's input is connected with load access identification module, current sample module respectively, and the output is connected with electronic switch module, display module respectively. The utility model discloses a master controller module receives assay current sample module and load access identification module's data, carries out the control to pilot lamp state in the control of electronic switch module break -make and the display module, and supply interruption in time after the battery is full of can avoid the mistake of electric motor car battery to fill, and circuit structure is simple, with low costs, small, the popularization and application of especially adapted large tracts of land.
Description
Technical field
This utility model relates to a kind of charge protection device, is specifically related to a kind of charging battery of electric vehicle and protects
Protect device.
Background technology
The electric motor car yield in the whole nation in 2015 is probably between 25,000,000 to 30,000,000.Electronic
The recoverable amount of car alreadys more than 200,000,000.It has become the important traffic work in a lot of people's daily life
Tool.Any one city, all can't do without ride the people that electric motor car is wandered about the streets, and a lot of people are the most therefore
The impatience waiting public transport, subway crowded, the cab fare of great number are taken leave of.
If battery of electric vehicle overcharges can cause the pole plate of substantial amounts of air scour battery, cause living
Property material come off, the final service life reducing battery.Also can it addition, battery of electric vehicle overcharges
Cause dehydrating speed to be accelerated, affect the decomposition of electrolyte, cause battery Temperature to raise, cause battery to make
By the lost of life, serious meeting makes battery be filled the safety problem such as quick-fried to occur.
Utility model content
For solving the problem that in prior art, battery of electric vehicle overcharges, this utility model provides a kind of electricity
Motor-car protector for charging accumlator.
Electro-mobile battery-charging protector of the present utility model, including housing, is provided with in described housing
Power module, main controller module, electronic switch module, current sample module, load access and identify
Module and display module, the outfan of power module respectively with main controller module, electronic switch module,
Current sample module, load access identification module, display module connects, the input of main controller module
End accesses identification module, current sample module with load respectively and is connected, outfan respectively with electrical switch
Module, display module connect.
Further, the input of power module is connected to mains supply.
Further, power module includes half-wave rectifying circuit and the lowering and stabilizing blood pressure chip of non-isolated, half
The outfan of ripple rectification circuit is connected respectively to electronic switch module and lowering and stabilizing blood pressure chip, lowering and stabilizing blood pressure
The outfan of chip is connected respectively to main controller module, current sample module, load access identification mould
Block and display module.
Further, load access identification module include clamp circuit, clamp circuit by the first resistance,
Second resistance and diode composition, after diode and the first resistor coupled in parallel, then with the second resistant series.
Further, current sample module includes sampling resistor and voltage signal amplifying circuit, sampling electricity
Resistance for being converted to faint voltage signal by current signal, and voltage signal amplifying circuit is for by faint
Voltage signal amplify, and be transferred to main controller module.
Further, voltage signal amplifying circuit is operation amplifier circuit or electric quantity metering chip electricity
Road.
Further, electronic switch module includes electrical switch, protection circuit and drive circuit, electronics
Switch in parallel with protection circuit after be connected to the outfan of drive circuit.
Further, electrical switch is relay, controllable silicon or other gate-controlled switch device.
Further, main controller module is single-chip microcomputer or other intelligent control chip.
Further, it is characterised in that display module includes LED power indicator light circuit, LED
Indicating fault circuit for lamp and LED charging indicator light circuit, LED power indicator light circuit, LED
Indicating fault circuit for lamp and LED charging indicator light circuit respectively with the outfan of main controller module
Connect.
The beneficial effects of the utility model are: electro-mobile battery-charging protector of the present utility model passes through
Main controller module receives analyzes current sample module and the data of load access identification module, and it is right to carry out
The control of electronic switch module break-make and the control of display module LED status, energy after battery is full of
Cut off the electricity supply in time, be avoided that overcharging of battery of electric vehicle, thus be effectively improved making of battery
Use the life-span；And circuit structure is simple, low cost, volume are little, being especially suitable for large-area popularization should
With.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of this utility model electro-mobile battery-charging protector；
Fig. 2 is the circuit diagram of this utility model electro-mobile battery-charging protector；
Fig. 3 is the workflow diagram of this utility model electro-mobile battery-charging protector.
Detailed description of the invention
With embodiment, structure of the present utility model is explained in detail explanation below in conjunction with the accompanying drawings.
Electro-mobile battery-charging protector of the present utility model include power module, main controller module,
Electronic switch module, current sample module, load access identification module, display module.
As shown in Figure 1-2, electro-mobile battery-charging protector of the present utility model, including housing, institute
Be provided with in stating housing power module, main controller module, electronic switch module, current sample module,
Load accesses identification module and display module, the outfan of power module respectively with main controller module,
Electronic switch module, current sample module, load access identification module, display module connection, master control
The input of device module processed accesses identification module with load respectively, current sample module is connected, outfan
It is connected with electronic switch module, display module respectively.The input of power module is connected to mains supply
(220V alternating current).
Power module includes half-wave rectifying circuit and lowering and stabilizing blood pressure chip, the half-wave rectifying circuit of non-isolated
Outfan be connected respectively to electronic switch module and lowering and stabilizing blood pressure chip, the output of lowering and stabilizing blood pressure chip
End is connected respectively to main controller module, current sample module, load access identification module and display mould
Block.Power module is non-isolated power module, does not add transformator after rectifying and wave-filtering.Power supply mould
Block is inserted into civil power (220V alternating current) from AC-IN, by current-limiting resistance R1, the half of non-isolated
(general range is 3V to export 12V unidirectional current after ripple rectification circuit, mu balanced circuit, filter capacitor C2
Between 50V), as the power supply of electronic switch module, then through current-limiting resistance R4, filter
The unidirectional current exporting 5V after ripple electric capacity C3, lowering and stabilizing blood pressure chip U1, filter capacitor C8 is (general
Scope is between 2V to 9V), access know for main controller module, current sample module, load
Other module, display module provide power supply.Wherein, half-wave rectifying circuit is by resistance R2, R3, electric capacity
C1, diode D1, D2 composition, in parallel with C1 after R2, R3 series connection, its one end is connected to D2,
Parallel diode D1 again, D1 one end is connected to D2.Mu balanced circuit is made up of Zener diode ZD1.
Power module one end output 220V alternating current is connected to charging battery of electric vehicle device.
Current sample module monitors the alternating current of electric car charger in real time, the different electricity monitored
Stream size is transferred to master controller.Current sample module includes that sampling resistor R6, voltage signal amplify
Circuit.Voltage signal amplifying circuit is operation amplifier circuit or electric quantity metering chip circuit, sampling electricity
Resistance R6 realizes the alternating current flowing through electric car charger to be changed into voltage signal, and then by fortune
The process calculating amplifier circuit or electric quantity metering chip circuit is transferred to main controller module, monitors in real time
The charging current of electric car charger and charging interval, reach the purpose preventing overcharging and protect battery.
Load accesses identification module and is used for detecting whether electric car charger is inserted into of the present utility model
In electro-mobile battery-charging protector.Load access identification module include clamp circuit, clamp circuit by
First resistance R14, the second resistance R13 and diode D4 composition, diode D4 and the first resistance
After R14 parallel connection, then connect with the second resistance R13.Load accesses identification module and uses resistance R13
Dividing potential drop sampling output end voltage waveform and the mode of diode clamping pressure limiting, whether detection load connects
Enter.When electric car charger is not inserted into, the INJUD signal of output is low level；Work as electric motor car
Charger is inserted into electro-mobile battery-charging protector, and the INJUD signal of output is sinusoidal wave.
Main controller module is analyzed current sample module by receiving and loads the number accessing identification module
According to, carry out the display lamp flicker state of the control to electronic switch module break-make and display module connection
Control.It is to be that real-time monitoring and control carried out by controller by single-chip microcomputer (MCU), it is also possible to
It is the intelligent control chips such as ARM, DSP.
Electronic switch module is made up of electrical switch, protection circuit, drive circuit, electrical switch and guarantor
The outfan of drive circuit it is connected to after protection circuit parallel connection.Electrical switch is relay R L1, it is also possible to
For controllable silicon or other have contact or contactless gate-controlled switch device.Protection circuit is by diode D3
Composition, drive circuit is composed in series by resistance R12, audion.
Display module shows the duty that electric motor car charges in real time, and display module includes LED electricity
Source indicator light circuit, LED failure indicator light circuit and LED charging indicator light circuit, LED electricity
Source indicator light circuit, LED failure indicator light circuit and LED charging indicator light circuit respectively with master
The outfan of controller module connects.The outfan of display module respectively be arranged on housing
Power supply indicator (red), malfunction indicator lamp (red), charging indicator light (blue) are even
Connect.
As it is shown on figure 3, the workflow of electro-mobile battery-charging protector of the present utility model is: hand over
Stream electrical input connects the power module of electro-mobile battery-charging protector, and power module is master controller
Module, electronic switch module, current sample module, load access identification module and display module offer
Power supply；Alternating current outfan inserts electric car charger, and load accesses identification module and passes through electric resistance partial pressure
The mode of sampling output end voltage waveform and diode clamping pressure limiting detects INJUD signal, as
Really INJUD signal is low level, it is determined that electric car charger is not inserted into；Detect that INJUD believes
Number be sinusoidal wave, it is determined that electric car charger already inserted into.If be detected that electric car charger does not has
Insert, then load accesses identification module and continues detection.If be detected that electric car charger has been inserted
Enter, then main controller module controls the electrical switch Guan Bi in electronic switch module.If electric motor car
Charger has been coupled to battery, and electric car charger will enter the charging flow to battery.Electric current
Sampling module is converted to voltage signal by sampling resistor current signal, and voltage signal passes through computing again
The process of amplifier circuit or electric quantity metering chip circuit is transferred to main controller module, master controller mould
Single-chip microcomputer in block, according to different charging currents and charging interval, controls electronic switch module and display
Module.If battery fills with, blue charging indicator light Chang Liang, electrical switch disconnects, if electric
Pond also underfill, blue charging indicator light flicker, electrical switch is kept closed.If it is determined that
To battery failures, red-fault lamp flashes, and electrical switch disconnects.If electric car charger does not connect
Receive battery, then electrical switch disconnects automatically.Electric car charger is from electric motor car of the present utility model
Battery charging intellective protector removes after pulling up, and load accesses identification module and can automatically identify, then electricity
Son switch disconnects automatically.If again inserting electric car charger, this electric motor car at alternating current outfan
Protector for charging accumlator works on again.
Electric vehicle charge protector of the present utility model, after battery is full of, can not turn off power supply
In the case of, change battery charger so that other battery of electric vehicle is continued charging.
The foregoing is only preferred embodiment of the present utility model, not new in order to limit this practicality
Type, all any amendment, equivalent and simple modifications etc. made in this utility model flesh and blood,
Within should be included in protection domain of the present utility model.
Claims (10)
1. an electro-mobile battery-charging protector, including housing, it is characterised in that described housing
Inside it is provided with power module, main controller module, electronic switch module, current sample module, load
Access identification module and display module, the outfan of power module respectively with main controller module, electronics
Switch module, current sample module, load access identification module, display module connection, master controller
The input of module accesses identification module with load respectively, current sample module is connected, and outfan is respectively
It is connected with electronic switch module, display module.
Electro-mobile battery-charging protector the most according to claim 1, it is characterised in that electricity
The input of source module is connected to mains supply.
Electro-mobile battery-charging protector the most according to claim 1, it is characterised in that electricity
Source module includes half-wave rectifying circuit and the lowering and stabilizing blood pressure chip of non-isolated, the output of half-wave rectifying circuit
End is connected respectively to electronic switch module and lowering and stabilizing blood pressure chip, and the outfan of lowering and stabilizing blood pressure chip is respectively
It is connected to main controller module, current sample module, load access identification module and display module.
Electro-mobile battery-charging protector the most according to claim 1, it is characterised in that negative
Carrying access identification module and include clamp circuit, clamp circuit is by the first resistance, the second resistance and diode
Composition, after diode and the first resistor coupled in parallel, then with the second resistant series.
Electro-mobile battery-charging protector the most according to claim 1, it is characterised in that electricity
Stream sampling module includes sampling resistor and voltage signal amplifying circuit, and sampling resistor is for by current signal
Being converted to faint voltage signal, voltage signal amplifying circuit is used for amplifying faint voltage signal,
And it is transferred to main controller module.
Electro-mobile battery-charging protector the most according to claim 5, it is characterised in that electricity
Pressure signal amplification circuit is operation amplifier circuit or electric quantity metering chip circuit.
Electro-mobile battery-charging protector the most according to claim 1, it is characterised in that electricity
Sub-switch module includes electrical switch, protection circuit and drive circuit, and electrical switch is with protection circuit also
The outfan of drive circuit it is connected to after connection.
Electro-mobile battery-charging protector the most according to claim 7, it is characterised in that electricity
Son switch is relay, controllable silicon or other gate-controlled switch device.
Electro-mobile battery-charging protector the most according to claim 1, it is characterised in that main
Controller module is single-chip microcomputer or other intelligent control chip.
Electro-mobile battery-charging protector the most according to claim 1, it is characterised in that aobvious
Show that module includes LED power indicator light circuit, LED failure indicator light circuit and LED charging instruction
Circuit for lamp, LED power indicator light circuit, LED failure indicator light circuit and LED charging indicator light
Circuit is connected with the outfan of main controller module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620353535.1U CN205565853U (en) | 2016-04-22 | 2016-04-22 | Electric motor car battery charge protection ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620353535.1U CN205565853U (en) | 2016-04-22 | 2016-04-22 | Electric motor car battery charge protection ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205565853U true CN205565853U (en) | 2016-09-07 |
Family
ID=56806483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620353535.1U Active CN205565853U (en) | 2016-04-22 | 2016-04-22 | Electric motor car battery charge protection ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205565853U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743196A (en) * | 2016-04-22 | 2016-07-06 | 宁波高新区新诚电子有限公司 | Electromobile battery charging protector |
| CN108790871A (en) * | 2018-05-30 | 2018-11-13 | 深圳市鑫悦购网络科技有限公司 | A kind of electric vehicle charging equipment |
-
2016
- 2016-04-22 CN CN201620353535.1U patent/CN205565853U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743196A (en) * | 2016-04-22 | 2016-07-06 | 宁波高新区新诚电子有限公司 | Electromobile battery charging protector |
| CN108790871A (en) * | 2018-05-30 | 2018-11-13 | 深圳市鑫悦购网络科技有限公司 | A kind of electric vehicle charging equipment |
| CN108790871B (en) * | 2018-05-30 | 2024-04-12 | 深圳市鑫悦购网络科技有限公司 | Charging equipment for electric vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |