CN208285001U - A kind of solar electrically propelled vehicle solar panels protection circuit - Google Patents
A kind of solar electrically propelled vehicle solar panels protection circuit Download PDFInfo
- Publication number
- CN208285001U CN208285001U CN201820728947.8U CN201820728947U CN208285001U CN 208285001 U CN208285001 U CN 208285001U CN 201820728947 U CN201820728947 U CN 201820728947U CN 208285001 U CN208285001 U CN 208285001U
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- resistance
- solar
- propelled vehicle
- diode
- electrically propelled
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The utility model discloses a kind of solar electrically propelled vehicle solar panels to protect circuit, including integrated amplifier IC1, the inverting input terminal of the integrated amplifier IC1 is connected with one end of resistance R1 and one end of resistance R2, the other end of resistance R1 is connected with input terminal U1, the non-inverting input terminal of integrated amplifier IC1 is connected with one end of resistance R3, the other end of resistance R3 is grounded, the other end of resistance R2 is connected with one end of resistance R4, the output end of integrated amplifier IC1 is connected with one end of resistance R7, the other end of resistance R4 is connected with the cathode of diode D1 and the collector of triode Q.Design is scientific and reasonable for the utility model; it is practical; when the high current that solar electrically propelled vehicle braking generates flows into the protection circuit of solar panel; protect circuit constant-current source; it can be avoided solar panel overcurrent and damage; the operation stability of electric car is improved, later maintenance cost is reduced.
Description
Technical field
The utility model relates to solar electrically propelled vehicle technical field more particularly to a kind of solar electrically propelled vehicle solar energy
Plate protects circuit.
Background technique
Electric vehicle is a kind of using electric power as the car of the energy, is generally supplied using lead-acid battery or lithium ion battery
Electricity.And solar electric vehicle is on this basis, to convert solar energy into what electric energy was powered vehicle, is largely dropped
The low use cost of electric vehicle, and it is very environmentally friendly.Its structural behaviour is more brilliant preeminent, timely and effectively supplements electric vehicle
The electricity of field traveling on the way, enhancing traveling electric energy, maintenance and increasing storage battery service life.Design is unique, the side of installing and using
Just, the existing configuration of electric vehicle and vehicle structure are kept, is that power is maximum, price is minimum, best performance in current similar product
Solar charger.Service life was especially improving electric vehicle runnability up to 10 years or so, reduces electric vehicle and uses
There is very high application value in terms of cost.
With the development of science and technology, solar electrically propelled vehicle also progresses into people's lives, but current solar-electricity at present
Electrical automobile solar panels do not have preferable protection circuit, and solar electrically propelled vehicle can generate a high current when braking, if this
High current flows to solar panels, is easy solar panels to burn out, so we are badly in need of a kind of solar electrically propelled vehicle solar panels
Circuit is protected to solve the above problems.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of solar energy electric proposed
Automobile solar energy plate protects circuit.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of solar electrically propelled vehicle solar panels protection circuit, including integrated amplifier IC1, the integrated amplifier
The inverting input terminal of IC1 is connected with one end of resistance R1 and one end of resistance R2, and the other end of resistance R1 is connected with input terminal U1,
The non-inverting input terminal of integrated amplifier IC1 is connected with one end of resistance R3, the other end ground connection of resistance R3, the other end of resistance R2
It is connected with one end of resistance R4, the output end of integrated amplifier IC1 is connected with one end of resistance R7, the other end connection of resistance R4
There are the cathode of diode D1 and the collector of triode Q, and is connected with the other end of resistance R7, the anode connection of diode D1
There is one end of resistance R5, the other end of resistance R5 is connected with one end of resistance R6, and is connected with the base stage of triode Q, resistance
The other end of R6 is connected with the anode of diode D2, and the cathode of diode D2 is connected with output end U0, and the transmitting with triode Q
Pole is connected.
Preferably, the model of the diode D1 and diode D2 is 1N4002.
Preferably, the model CA3140 of the integrated amplifier IC1, the maximum input voltage of integrated amplifier IC1 are
36 volts of direct current.
Preferably, the resistance value of the resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6 and resistance R7 according to
Secondary is 10K Ω, 50K Ω, 10K Ω, 50K Ω, 10K Ω, 10K Ω, 10K Ω.
Preferably, the model of the triode Q is 3DJ7G.
Compared with prior art, the utility model has the beneficial effects that
In the utility model, when the high current that solar electrically propelled vehicle braking generates flows into the protection electricity of solar panel
Lu Shi, protection circuit constant-current source, can be avoided solar panel overcurrent and damage, triode Q is using approximate constant-current source
Connection, when circuit is working properly, triode Q present Low ESR, have substantially no effect on the output voltage range of circuit, work as circuit
Electric current it is excessive when, triode Q present high impedance, limit circuit output current, while diode D1 is defeated in electric energy
Out when negative voltage, constant-current source is constituted together with triode Q, diode D2 is identical as diode D1, then is in circuit output positive electricity
When pressure, constant-current source is constituted together with triode Q, triode Q should take it to be saturated drain-source current IDSS slightly larger than integrated amplifier IC1
The field-effect tube of electric current is exported, design is scientific and reasonable for the utility model, and it is practical, it is generated when solar electrically propelled vehicle braking
High current flow into solar panel protection circuit when, protection circuit constant-current source, can be avoided solar panel mistake
It flows and damages, improve the operation stability of electric car, reduce later maintenance cost.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of solar electrically propelled vehicle solar panels protect circuit structural schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1, a kind of solar electrically propelled vehicle solar panels protect circuit, including integrated amplifier IC1, integrate amplification
The inverting input terminal of device IC1 is connected with one end of resistance R1 and one end of resistance R2, and the other end of resistance R1 is connected with input terminal
U1, the non-inverting input terminal of integrated amplifier IC1 are connected with one end of resistance R3, and the other end ground connection of resistance R3, resistance R2's is another
One end is connected with one end of resistance R4, and the output end of integrated amplifier IC1 is connected with one end of resistance R7, the other end of resistance R4
It is connected with the cathode of diode D1 and the collector of triode Q, and is connected with the other end of resistance R7, the anode of diode D1
It is connected with one end of resistance R5, the other end of resistance R5 is connected with one end of resistance R6, and is connected with the base stage of triode Q,
The other end of resistance R6 is connected with the anode of diode D2, and the cathode of diode D2 is connected with output end U0, and with triode Q's
Emitter is connected, and triode Q is using the connection of approximate constant-current source, and when circuit is working properly, Low ESR is presented in triode Q,
The output voltage range for having substantially no effect on circuit, when the electric current of circuit is excessive, high impedance is presented in triode Q, makes circuit output
Electric current is limited, while diode D1 constitutes constant-current source, diode in power output negative voltage together with triode Q
D2 is identical as diode D1, then is that constant-current source is constituted together with triode Q in circuit output positive voltage, triode Q should take it
It is saturated field-effect tube of the drain-source current IDSS slightly larger than integrated amplifier IC1 output electric current, design is scientific and reasonable for the utility model,
It is practical, when the high current that solar electrically propelled vehicle braking generates flows into the protection circuit of solar panel, protection electricity
Road constant-current source, can be avoided solar panel overcurrent and damage, improve the operation stability of electric car, reduce the later period
Maintenance cost.
In the utility model, the model of diode D1 and diode D2 are 1N4002, the model of integrated amplifier IC1
The maximum input voltage of CA3140, integrated amplifier IC1 are 36 volts of direct current, resistance R1, resistance R2, resistance R3, resistance R4, resistance
The resistance value of R5, resistance R6 and resistance R7 are followed successively by 10K Ω, 50K Ω, 10K Ω, 50K Ω, 10K Ω, 10K Ω, 10K Ω, triode
The model of Q is 3DJ7G, and triode Q is using the connection of approximate constant-current source, and when circuit is working properly, low-resistance is presented in triode Q
It is anti-, the output voltage range of circuit is had substantially no effect on, when the electric current of circuit is excessive, high impedance is presented in triode Q, keeps circuit defeated
Electric current is limited out, while diode D1 constitutes constant-current source, two poles in power output negative voltage together with triode Q
Pipe D2 is identical as diode D1, then is that constant-current source is constituted together with triode Q in circuit output positive voltage, triode Q should take
It is saturated field-effect tube of the drain-source current IDSS slightly larger than integrated amplifier IC1 output electric current, and the utility model design science is closed
Reason, it is practical, when the high current that solar electrically propelled vehicle braking generates flows into the protection circuit of solar panel, protection
Circuit constant-current source, can be avoided solar panel overcurrent and damage, the operation stability of electric car is improved, after reduction
Phase maintenance cost.
Working principle: in actual use, when the high current that solar electrically propelled vehicle braking generates flows into solar battery
When the protection circuit of plate, protection circuit constant-current source, can be avoided solar panel overcurrent and damage, triode Q use
The connection of approximate constant-current source, when circuit is working properly, Low ESR is presented in triode Q, has substantially no effect on the output voltage of circuit
Range, when the electric current of circuit is excessive, high impedance is presented in triode Q, limits circuit output current, while diode
D1 constitutes constant-current source in power output negative voltage together with triode Q, and diode D2 is identical as diode D1, then is in electricity
When road exports positive voltage, constant-current source is constituted together with triode Q, triode Q should take it to be saturated drain-source current IDSS slightly larger than collection
At the field-effect tube of amplifier IC1 output electric current.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of solar electrically propelled vehicle solar panels protect circuit, including integrated amplifier IC1, which is characterized in that the collection
One end of resistance R1 and one end of resistance R2 are connected at the inverting input terminal of amplifier IC1, the other end of resistance R1 is connected with
Input terminal U1, the non-inverting input terminal of integrated amplifier IC1 are connected with one end of resistance R3, the other end ground connection of resistance R3, resistance
The other end of R2 is connected with one end of resistance R4, and the output end of integrated amplifier IC1 is connected with one end of resistance R7, resistance R4's
The other end is connected with the cathode of diode D1 and the collector of triode Q, and is connected with the other end of resistance R7, diode D1
Anode be connected with one end of resistance R5, the other end of resistance R5 is connected with one end of resistance R6, and the base stage phase with triode Q
Connection, the other end of resistance R6 are connected with the anode of diode D2, and the cathode of diode D2 is connected with output end U0, and with three poles
The emitter of pipe Q is connected.
2. a kind of solar electrically propelled vehicle solar panels according to claim 1 protect circuit, which is characterized in that described two
The model of pole pipe D1 and diode D2 are 1N4002.
3. a kind of solar electrically propelled vehicle solar panels according to claim 1 protect circuit, which is characterized in that the collection
At the model CA3140 of amplifier IC1, the maximum input voltage of integrated amplifier IC1 is 36 volts of direct current.
4. a kind of solar electrically propelled vehicle solar panels according to claim 1 protect circuit, which is characterized in that the electricity
Resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6 and resistance R7 resistance value be followed successively by 10K Ω, 50K Ω, 10K Ω,
50KΩ、10KΩ、10KΩ、10KΩ。
5. a kind of solar electrically propelled vehicle solar panels according to claim 1 protect circuit, which is characterized in that described three
The model of pole pipe Q is 3DJ7G.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728947.8U CN208285001U (en) | 2018-05-16 | 2018-05-16 | A kind of solar electrically propelled vehicle solar panels protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728947.8U CN208285001U (en) | 2018-05-16 | 2018-05-16 | A kind of solar electrically propelled vehicle solar panels protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208285001U true CN208285001U (en) | 2018-12-25 |
Family
ID=64729799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820728947.8U Active CN208285001U (en) | 2018-05-16 | 2018-05-16 | A kind of solar electrically propelled vehicle solar panels protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208285001U (en) |
-
2018
- 2018-05-16 CN CN201820728947.8U patent/CN208285001U/en active Active
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