CN204230950U - A kind of charge protector of electric motor car auxiliary charging device - Google Patents
A kind of charge protector of electric motor car auxiliary charging device Download PDFInfo
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- CN204230950U CN204230950U CN201420592190.6U CN201420592190U CN204230950U CN 204230950 U CN204230950 U CN 204230950U CN 201420592190 U CN201420592190 U CN 201420592190U CN 204230950 U CN204230950 U CN 204230950U
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- rechargeable battery
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- electric
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Abstract
The utility model relates to a kind of charge protector of electric motor car auxiliary charging device, comprises booster circuit, and the input of booster circuit connects the output of electric motor car auxiliary charging device generator; Pressure-limit current-limit circuit, the input of pressure-limit current-limit circuit connects the output of booster circuit, the output connecting secondary current-limiting circuit of pressure-limit current-limit circuit and controller for electric vehicle; The output of secondary current-limiting circuit connects rechargeable battery; The output of rechargeable battery connects controller for electric vehicle; This charge protector is adopted to carry out boosting process to the voltage that generator produces; an electric current part after carrying out pressure-limit current-limit process is directly powered to wheel hub motor by controller for electric vehicle; another part is by pouring in rechargeable battery after secondary current-limiting circuit; electric current after pressure-limit current-limit process is divided into two-way; the electric energy that generator is produced can either be powered directly to wheel hub motor; can be stored by rechargeable battery again, improve the utilization rate of the electric energy that generator produces.
Description
Technical field
The utility model belongs to technical field of circuit design, relates to a kind of charge protector, especially a kind of charge protector of electric motor car auxiliary charging device; Avoid the instability due to charging current or charging voltage and damage rechargeable battery.
Background technology
Electric motor car of the prior art generally includes car body, is loaded into the rechargeable battery on car body, is electrically connected with rechargeable battery, drives the motor of rear wheel.The electric energy of the power resources that this kind of electric motor car travels mainly in rechargeable battery, rely on the wheel hub motor of the electrical energy drive rear wheels of electric vehicle in rechargeable battery, driving electric back wheels of vehicle rotates, thus drives electric motor car to travel.
Above-mentioned electric motor car of the prior art, when its travel speed is lower or wheel hub motor does not work, driver can only drive electric motor car to travel by the mode stepping electric vehicle pedal, now, rotated by the large toothed disk stepping pedal driving electric car, large toothed disk is rotated by the little chain wheel of chain-driving trailing wheel to drive electric motor car to travel.
When electric motor car is in normal traveling or high-speed travel state, driver steps too late speed rear wheels of electric vehicle being rotated due to rechargeable battery drive hub motor of speed that pedal driving electric back wheels of vehicle rotates, thus cannot rotate by stepping footboard drives rear wheels of electric vehicle, therefore, driver cannot reach the object of body-building.
In addition, owing to cannot be contributed by the traveling of the physical efficiency of driver to electric motor car, and can only be worked by the electrical energy drive wheel hub motor in rechargeable battery, larger to the power consumption in rechargeable battery, therefore need often to charge to rechargeable battery, the damage degree of accelerated charging battery.
For above-mentioned technological deficiency, application number is 200910049201.X, and subject name is disclose following technical scheme in the application for a patent for invention text of human aided dynamic electric vehicle:
Human aided dynamic electric vehicle, comprise car body, car body is equipped with motor, for motor rechargeable battery, control to the electromotor control circuit of described motor situation, trailing wheel by motor driven, also comprise pedal, it is characterized in that, also comprise with generator, described generator is linked by a generator transmission mechanism and described pedal;
Also comprise with power management module, the electric energy output end of described generator connects described power management module, and described power management module has a power supply output, and described power supply output connects described rechargeable battery, described electromotor control circuit is provided with between described rechargeable battery and described motor, described power management module is the power management module of the electric current being rechargeable battery charging by the electric energy conversion that generator produces, described power management module comprises, the Voltage Cortrol of one electric current produced by described generator is the voltage regulator module of rechargeable battery charging voltage or motor voltage, described voltage regulator module, comprise a booster circuit, one reduction voltage circuit, one voltage feedback circuit, one Circuit tuning, the signals collecting end of described voltage feedback circuit connects described power supply output, the signal output part of described voltage feedback circuit connects described Circuit tuning, described Circuit tuning is booster circuit described in control connection respectively, reduction voltage circuit, described booster circuit, the power supply output of reduction voltage circuit connects described rechargeable battery.
In technique scheme, by increasing generator and power management module, manpower is utilized to trample pedal, changes mechanical energy is become electric energy and is stored in rechargeable battery, to have enough electricity in lasting guarantee rechargeable battery, reduce the damage degree of rechargeable battery, improve its useful life; But in technique scheme, there is following technical problem:
Adopt Circuit tuning booster circuit, reduction voltage circuit described in control connection respectively, the power supply output of described booster circuit, reduction voltage circuit connects described rechargeable battery; That is: this power management module only limits the output voltage of generator, and the output current of generator is not limited, therefore, when the output current of generator is larger, infringement will be produced to rechargeable battery, reduce the useful life of rechargeable battery, even may directly cause rechargeable battery not use.
Utility model content
The purpose of this utility model is, the technological deficiency causing rechargeable battery to be damaged for not limiting the output current of generator in above-mentioned prior art, provides the charge protector designing a kind of electric motor car auxiliary charging device; To solve the problems of the technologies described above, increase the useful life of rechargeable battery.
For achieving the above object, the utility model provides following technical scheme:
A charge protector for electric motor car auxiliary charging device, is characterized in that: comprise booster circuit, and the input of described booster circuit connects the output of electric motor car auxiliary charging device generator;
Pressure-limit current-limit circuit, the input of described pressure-limit current-limit circuit connects the output of booster circuit, the output connecting secondary current-limiting circuit of pressure-limit current-limit circuit and controller for electric vehicle;
The output of secondary current-limiting circuit connects rechargeable battery;
The output of rechargeable battery connects controller for electric vehicle.
Preferably, described rechargeable battery is lithium battery; Adopt lithium battery as rechargeable battery, the discharge and recharge number of times of rechargeable battery can be increased, ensure the job stability of rechargeable battery.
Preferably, rectifier circuit is provided with between described booster circuit and generator; The electric current that generator produces can be carried out rectification process, so that the follow-up process to electric current by rectifier circuit.
Preferably, described controller for electric vehicle is connected with charging inlet; Charging inlet is convenient to driver to charging to electrical appliance in the process of moving.
Preferably, described controller for electric vehicle is connected with electric-quantity display device; The dump energy of electric-quantity display device display rechargeable battery, to remind driver to take corresponding measure.
Preferably, described charging inlet is USB charging inlet; USB charging inlet is adopted conveniently to charge to the electrical appliance of driver.
The beneficial effects of the utility model are, this charge protector is adopted to carry out boosting process to the voltage that generator produces, afterwards pressure-limit current-limit process is carried out to it, an electric current part after carrying out pressure-limit current-limit process is directly powered to wheel hub motor by controller for electric vehicle, another part is by pouring in rechargeable battery after secondary current-limiting circuit, electric current after pressure-limit current-limit process is divided into two-way, the electric energy that generator is produced can either be powered directly to wheel hub motor, can be stored by rechargeable battery again, improve the utilization rate of the electric energy that generator produces, meanwhile, avoid the output current due to generator excessive and damage rechargeable battery, to protect rechargeable battery normally to use, increasing its useful life, in addition, circuit structure of the present utility model is rationally simple, is with a wide range of applications.
As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, and its beneficial effect implemented also is apparent.
Accompanying drawing explanation
The charge protector principle schematic of a kind of electric motor car auxiliary charging device that Fig. 1 provides for the utility model.
Wherein, 1-generator, 2-booster circuit, 3-pressure-limit current-limit circuit, 4-bis-current-limiting circuits, 5-controller for electric vehicle, 6-rechargeable battery, 7-rectifier circuit, 8-charging inlet, 9-electric-quantity display device.
Embodiment
Below in conjunction with accompanying drawing, also by specific embodiment, the utility model is elaborated, and following examples are to explanation of the present utility model, and the utility model is not limited to following execution mode.
As shown in Figure 1, the charge protector of a kind of electric motor car auxiliary charging device that the utility model provides, comprises booster circuit 2, and the input of described booster circuit 2 connects the output of electric motor car auxiliary charging device generator 1;
Pressure-limit current-limit circuit 3, the input of described pressure-limit current-limit circuit 3 connects the output of booster circuit 2, the output connecting secondary current-limiting circuit 4 of pressure-limit current-limit circuit 3 and controller for electric vehicle 5;
The output of secondary current-limiting circuit 4 connects rechargeable battery 6;
The output of rechargeable battery 6 connects controller for electric vehicle 5.
In the present embodiment, described rechargeable battery 6 is lithium battery; Adopt lithium battery as rechargeable battery, the discharge and recharge number of times of rechargeable battery can be increased, ensure the job stability of rechargeable battery.
In the present embodiment, between described booster circuit 2 and generator 1, be provided with rectifier circuit 7; The electric current that generator produces can be carried out rectification process, so that the follow-up process to electric current by rectifier circuit.
In the present embodiment, described controller for electric vehicle 5 is connected with charging inlet 8; Charging inlet 8 is convenient to driver to charging to electrical appliance in the process of moving.
In the present embodiment, described controller for electric vehicle 5 is connected with electric-quantity display device 9; Electric-quantity display device 9 shows the dump energy of rechargeable battery 6, to remind driver to take corresponding measure.
In the present embodiment, described charging inlet 8 is USB charging inlet; USB charging inlet is adopted conveniently to charge to the electrical appliance of driver.
Preferred implementation of the present utility model is only above; but the utility model is not limited thereto; any those skilled in the art can think there is no creationary change; and do not departing from the some improvements and modifications done under the utility model principle prerequisite, all should drop in protection range of the present utility model.
Claims (5)
1. a charge protector for electric motor car auxiliary charging device, is characterized in that: comprise booster circuit, and the input of described booster circuit connects the output of electric motor car auxiliary charging device generator;
Pressure-limit current-limit circuit, the input of described pressure-limit current-limit circuit connects the output of booster circuit, the output connecting secondary current-limiting circuit of pressure-limit current-limit circuit and controller for electric vehicle;
The output of secondary current-limiting circuit connects rechargeable battery;
The output of rechargeable battery connects controller for electric vehicle;
Rectifier circuit is provided with between described booster circuit and generator.
2. the charge protector of electric motor car auxiliary charging device according to claim 1, is characterized in that: described rechargeable battery is lithium battery.
3. the charge protector of electric motor car auxiliary charging device according to claim 2, is characterized in that: described controller for electric vehicle is connected with charging inlet.
4. the charge protector of electric motor car auxiliary charging device according to claim 3, is characterized in that: described controller for electric vehicle is connected with electric-quantity display device.
5. the charge protector of electric motor car auxiliary charging device according to claim 4, is characterized in that: described charging inlet is USB charging inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420592190.6U CN204230950U (en) | 2014-10-14 | 2014-10-14 | A kind of charge protector of electric motor car auxiliary charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420592190.6U CN204230950U (en) | 2014-10-14 | 2014-10-14 | A kind of charge protector of electric motor car auxiliary charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204230950U true CN204230950U (en) | 2015-03-25 |
Family
ID=52929001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420592190.6U Expired - Fee Related CN204230950U (en) | 2014-10-14 | 2014-10-14 | A kind of charge protector of electric motor car auxiliary charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204230950U (en) |
-
2014
- 2014-10-14 CN CN201420592190.6U patent/CN204230950U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20181014 |