CN206180670U - Constant flow source charging circuit for electric bicycle - Google Patents
Constant flow source charging circuit for electric bicycle Download PDFInfo
- Publication number
- CN206180670U CN206180670U CN201621124353.3U CN201621124353U CN206180670U CN 206180670 U CN206180670 U CN 206180670U CN 201621124353 U CN201621124353 U CN 201621124353U CN 206180670 U CN206180670 U CN 206180670U
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- Prior art keywords
- poles
- diode
- field effect
- effect transistor
- charging circuit
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- 230000005669 field effect Effects 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims description 10
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 230000036772 blood pressure Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a constant flow source charging circuit for electric bicycle, its characterized in that: mainly by transformer T, diode rectifier U, field effect transistor Q, emitting diode VD, electric capacity C1, electric capacity C2, resistance R1, resistance R2, resistance R3, slide rheostat RP, zener diode D1 and zener diode D2 constitute. The utility model discloses simple structure, the cost is lower, and its structural design is reasonable, current stabilization in the time of can ensureing to charge to the power is to the impact of battery in the time of reducing to charge, consequently can improve the life of battery, is fit for wide use.
Description
Technical field
This utility model is related to a kind of charging circuit, more particularly to a kind of automobile-used constant current source charging circuit of electrical salf-walking.
Background technology
With the development and the expansion of city size of science and technology, bicycle and man is progressively taken by electric bicycle
Generation.Electric bicycle can convert electrical energy into kinetic energy, you can realize electric bicycle voluntarily by storage battery power supply when using
Walking.Accumulator is used as the power source of electric bicycle, and its importance is self-evident.Battery stores electricity energy is very limited, because
This needs Jing often to charge to accumulator.Impact of the mains supply to accumulator is larger when charging to accumulator at present, so as to serious
The service life of accumulator is have impact on, the life-span of the accumulator for using at present is not universal oversize, and use time is more long, electric power storage
The ability of the storage electricity in pond is poorer.
Utility model content
The purpose of this utility model is to provide a kind of electrical salf-walking automobile-used constant current source charging circuit, is filled with expecting to reduce
Impact of the power supply to accumulator when electric, so as to improve the service life of accumulator.
This utility model is achieved through the following technical solutions：
A kind of automobile-used constant current source charging circuit of electrical salf-walking, mainly by transformator T, diode rectifier U, field effect transistor Q,
Positive pole is connected Jing after resistance R1 with the positive output end of diode rectifier U, the negative output terminal phase of negative pole and diode rectifier U
The electric capacity C1 of connection, P poles are connected with the positive pole of electric capacity C1, N poles are steady with what the grid of field effect transistor Q was connected Jing after electric capacity C2
Pressure diode D1, P poles are connected Jing after resistance R2 with the N poles of Zener diode D1, N poles are connected with the source electrode of field effect transistor Q
Light emitting diode VD, one end is connected Jing after resistance R3 with the N poles of Zener diode D1, the source of the other end and field effect transistor Q
The slide rheostat RP that pole is connected, and P poles be connected with the source electrode of field effect transistor Q, the control of N poles and slide rheostat RP
The Zener diode D2 compositions that end is connected；One input of the diode rectifier U and the secondary inductance line of transformator T
The non-same polarity of circle is connected, and its another input is connected with the Same Name of Ends of the secondary inductance coil of transformator T；The change
The two ends composition power input of the former limit inductance coil of depressor T；The source electrode of field effect transistor Q is connected with the negative pole of electric capacity C1
Connect, its grid is connected with the N poles of Zener diode D2, its drain electrode collectively constitutes charging circuit with the N poles of Zener diode D1
Outfan.
Further, the diode rectifier U is the full-wave bridge rectifier circuit of four 1N4007 types diode compositions.
Further, field effect transistor Q is EMB06N03A type field effect transistor.
In order to ensure effect, the light emitting diode VD is BT205 type light emitting diodes.
This utility model compared with prior art, with advantages below and beneficial effect：
This utility model simple structure, cost is relatively low, its reasonable in design, it can be ensured that current stabilization during charging, so as to
Impact of the power supply to accumulator when charging can be reduced, therefore the service life of accumulator can be improved.
Description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Specific embodiment
This utility model is described in further detail with reference to embodiment, but embodiment of the present utility model is not
It is limited to this.
Embodiment
As shown in figure 1, the automobile-used constant current source charging circuit of electrical salf-walking of the present utility model, mainly by transformator T, diode
Commutator U, field effect transistor Q, light emitting diode VD, electric capacity C1, electric capacity C2, resistance R1, resistance R2, resistance R3, slide rheostat
RP, Zener diode D1 and Zener diode D2 are constituted.
During connection, the positive pole of the electric capacity C1 is connected Jing after resistance R1 with the positive output end of diode rectifier U, and it is born
Pole is connected with the negative output terminal of diode rectifier U.The P poles of the Zener diode D1 are connected with the positive pole of electric capacity C1,
Its N pole is connected Jing after electric capacity C2 with the grid of field effect transistor Q.Wherein, the N of the positive pole of the electric capacity C2 and Zener diode D1
Pole is connected, and its negative pole is then connected with the grid of field effect transistor Q.The P poles of the light emitting diode VD Jing after resistance R2 with it is steady
The N poles of pressure diode D1 are connected, and its N pole is connected with the source electrode of field effect transistor Q.One end Jing of the slide rheostat RP is electric
It is connected with the N poles of Zener diode D1 after resistance R3, its other end is connected with the source electrode of field effect transistor Q.The pole of the voltage stabilizing two
The P poles of pipe D2 are connected with the source electrode of field effect transistor Q, and its N pole is connected with the control end of slide rheostat RP.
Meanwhile, an input of the diode rectifier U and the non-same polarity phase of the secondary inductance coil of transformator T
Connection, its another input is connected with the Same Name of Ends of the secondary inductance coil of transformator T.The former limit electricity of the transformator T
The two ends composition power input of sense coil, the external mains supply of the power input.The source electrode and electric capacity of field effect transistor Q
The negative pole of C1 is connected, and its grid is connected with the N poles of Zener diode D2, and its drain electrode is extremely common with the N of Zener diode D1
The outfan of composition charging circuit.When using, the outfan of charging circuit connects the charging inlet of accumulator.
The rated voltage of the accumulator of electric bicycle is usually 36V, and during enforcement, the transformator T is electric by 220V civil powers
It is changed into 48V power supplys after the blood pressure lowering of source, it for the transformator of 48V power supplys can be relatively common skill by the blood pressure lowering of 220V mains supplies to adopt
Art, here does not do excessive repeating.Two inputs of the power supply Jing diode rectifier U after blood pressure lowering are to control of the present utility model
Circuit processed is powered, and the diode rectifier U uses the full-wave bridge rectifier circuit of four 1N4007 types diode compositions,
Full-bridge rectification can be carried out to power supply.
The resistance R1 is used for blood pressure lowering current limliting, and the resistance of resistance R1 is 10K Ω, and the voltage after blood pressure lowering is 36V.The electricity
Holding C1 is used to filter, and Zener diode D1 is then used for voltage stabilizing, and the capacitance of the electric capacity C1 in the present embodiment is 500 μ F, the voltage stabilizing
Diode D1 is then realized using 2CW110 types Zener diode.The light emitting diode VD is used to indicate charged state, can send out
Go out HONGGUANG and blue light, HONGGUANG represents charged state, and blue light represents fully charged, user can be pointed out to stop charging, in the present embodiment
Light emitting diode VD is realized using BT205 types light emitting diode.Light emitting diode VD is damaged to prevent electric current excessive, because
This this utility model carries out blood pressure lowering current limliting to light emitting diode VD using resistance R2, and the resistance of the resistance R2 is 2K Ω.
In order to ensure stablizing for output current, adjustable sliding rheostat RP, make be by the electric current of Zener diode D2
10mA, so as to mains fluctuation can be overcome to cause the change of output current.Meanwhile, field effect transistor Q also has good
Constant-current characteristicses, so as to the stability of charging current can be further ensured that, you can power supply is to accumulator when greatly reducing charging
Impact, therefore the service life of accumulator can be improved.In the present embodiment, field effect transistor Q adopts EMB06N03A type field effects
Realizing, the Zener diode D2 is also adopted by 2CW110 types Zener diode to realize pipe.The resistance of the resistance R3 is
The resistance of 100K Ω, the slide rheostat RP is 0~100K Ω, and the capacitance of the electric capacity C2 is 50 μ F.
This utility model simple structure, cost is relatively low, its reasonable in design, it can be ensured that current stabilization during charging, so as to
Impact of the power supply to accumulator when charging can be reduced, therefore the service life of accumulator can be improved.
As described above, just can preferably realize this utility model.
Claims (4)
1. the automobile-used constant current source charging circuit of a kind of electrical salf-walking, it is characterised in that：Mainly by transformator T, diode rectifier U,
Field effect transistor Q, positive pole is connected Jing after resistance R1 with the positive output end of diode rectifier U, negative pole and diode rectifier U
The electric capacity C1 that negative output terminal is connected, P poles are connected with the positive pole of electric capacity C1, N poles Jing after electric capacity C2 with the grid of field effect transistor Q
The Zener diode D1 being connected, P poles are connected Jing after resistance R2 with the N poles of Zener diode D1, N poles and field effect transistor Q
The light emitting diode VD that source electrode is connected, one end is connected Jing after resistance R3 with the N poles of Zener diode D1, the other end and field are imitated
Should pipe Q the slide rheostat RP that is connected of source electrode, and P poles be connected with the source electrode of field effect transistor Q, N poles and slip variable resistance
The Zener diode D2 compositions that the control end of device RP is connected；One input of the diode rectifier U is with transformator T's
The non-same polarity of secondary inductance coil is connected, the Same Name of Ends phase of its another input and the secondary inductance coil of transformator T
Connection；The two ends composition power input of the former limit inductance coil of the transformator T；The source electrode and electric capacity of field effect transistor Q
The negative pole of C1 is connected, and its grid is connected with the N poles of Zener diode D2, and its drain electrode is extremely common with the N of Zener diode D1
The outfan of composition charging circuit.
2. the automobile-used constant current source charging circuit of a kind of electrical salf-walking according to claim 1, it is characterised in that：The diode
Commutator U is the full-wave bridge rectifier circuit of four 1N4007 types diode compositions.
3. the automobile-used constant current source charging circuit of a kind of electrical salf-walking according to claim 1, it is characterised in that：The field effect
Pipe Q is EMB06N03A type field effect transistor.
4. the automobile-used constant current source charging circuit of a kind of electrical salf-walking according to claim 1, it is characterised in that：Described luminous two
Pole pipe VD is BT205 type light emitting diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621124353.3U CN206180670U (en) | 2016-10-14 | 2016-10-14 | Constant flow source charging circuit for electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621124353.3U CN206180670U (en) | 2016-10-14 | 2016-10-14 | Constant flow source charging circuit for electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206180670U true CN206180670U (en) | 2017-05-17 |
Family
ID=58677831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621124353.3U Expired - Fee Related CN206180670U (en) | 2016-10-14 | 2016-10-14 | Constant flow source charging circuit for electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206180670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462241A (en) * | 2018-03-23 | 2018-08-28 | 乐在禄 | Electric bicycle charging circuit |
-
2016
- 2016-10-14 CN CN201621124353.3U patent/CN206180670U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462241A (en) * | 2018-03-23 | 2018-08-28 | 乐在禄 | Electric bicycle charging circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170517 Termination date: 20171014 |