CN209627049U - Two-way switches charging circuit - Google Patents
Two-way switches charging circuit Download PDFInfo
- Publication number
- CN209627049U CN209627049U CN201920408887.6U CN201920408887U CN209627049U CN 209627049 U CN209627049 U CN 209627049U CN 201920408887 U CN201920408887 U CN 201920408887U CN 209627049 U CN209627049 U CN 209627049U
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- Prior art keywords
- resistance
- voltage
- delay
- output
- circuit
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Classifications
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of two-way switching charging circuit.The utility model can be powered by two-way circuit, wherein pass through control panel, amplifier unit to charge the battery to absorb light source using solar panels all the way, another way as 220v alternating current by transformation, rectification, reference voltage caused by filtering, charge afterwards by amplifier unit for battery compared with solar panels output voltage.The switching of this two-way charge power supply is that the voltage according to caused by solar panels determines that the utility model selection higher one end of charge efficiency is exported compared with the charging ability that exchange end is capable of providing.That is, remaining state selection sun can be carried out charging if the voltage that solar panels generate charges to battery after 220v exchange will be selected to carry out voltage conversion lower than reference voltage determined by end, the utility model is exchanged.The utility model is able to maintain to battery constant charge as a result,.
Description
Technical field
The utility model relates to field of power supplies, switch charging circuit in particular to a kind of two-way.
Background technique
When field is encamped, since solar panels output voltage is affected by weather, output voltage is unstable, it is therefore desirable to
It is stored in battery to realize effective power supply to electrical equipment.But the reserve of electricity of battery is limited, wherein
When the electricity of storage is lower, the voltage of battery output can be substantially reduced, and electrical equipment is caused to can not work normally.
Therefore, it is necessary to a kind of circuit, can in time, automatically charge to battery to stablize the output of battery electricity
Pressure.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of two-ways to switch charging circuit, and the utility model can
Higher one charging realized to battery of wherein charge efficiency is automatically selected with the voltage for exchanging input according to solar panels,
Keep the voltage of battery.The utility model specifically adopts the following technical scheme that.
Firstly, to achieve the above object, proposing a kind of two-way switching charging circuit comprising: the first indicator light, the first electricity
Resistance, is connected in parallel between the output end of solar panels and ground；Second indicator light, second resistance, are connected in parallel on Transformer Rectifier
Between the output end and ground of filter unit；Comparator, two input terminal are separately connected the first resistor and second electricity
Resistance exports high electricity when the voltage of the first resistor is high for the voltage of the first resistor and the second resistance
It is flat, low level is exported when the voltage of the second resistance is high；Delay circuit connects the output end of the comparator, to institute
The output level for stating comparator is delayed；Relay, coil connect the output end and delay electricity of the comparator
Movable contact is connected when the output end of the comparator exports high level in the output end on road, defeated in the output end of the comparator
Stationary contact is kept to be connected always when low level out；The movable contact is connected to the first input of the first resistor and amplifier unit
Between end, the stationary contact is connected between the second resistance and the second input terminal of amplifier unit；The amplifier unit
Public input terminal connects the output end of the delay circuit；The amplifier unit amplifies described the when the movable contact is connected
The voltage of one resistance exports amplified voltage and charges for battery；The amplifier unit is when the stationary contact is connected, amplification
The voltage of the second resistance exports amplified voltage and charges for battery.
Optionally, in above-mentioned two-way switching charging circuit, the delay circuit includes: time delay resistance, one end connection
The output end of the comparator, the other end by delay capacitor be grounded, for according to the output voltage of the comparator to described
Delay capacitor charging；First switching element, first end connect the common end of the delay capacitor Yu the time delay resistance, the
Two ends ground connection, third end is connect with the third end of second switch element；The second end of the second switch element and described
The first end of second switch element is grounded, second end connection the first delay output resistance of the second switch element, and described the
The other end of one delay output resistance is connect with the second delay output resistance；The first delay output resistance and the second delay are defeated
The third end of the common end connection third switch element of resistance out；The second end of the third switch element connects the relay
Device, the first end of the third switch element connect the second delay output resistance and connect as the output end of the delay circuit
Connect the public input terminal of the amplifier unit.
Optionally, in above-mentioned two-way switching charging circuit, the first switching element, second switch element and described
Third switch element is high-power MOS tube, such as KIA9N90H.
Optionally, in above-mentioned two-way switching charging circuit, the first switching element, the third switch element are P
Type metal-oxide-semiconductor；The second switch element is N-type metal-oxide-semiconductor.
Optionally, in above-mentioned two-way switching charging circuit, the amplifier unit includes the first operational amplifier circuit and the second fortune
It discharges road, wherein the reference edge of described two operational amplifier circuits is connect using as the fortune with the output end of the delay circuit
Put the public input terminal of unit；The input terminal of first operational amplifier circuit connects institute as the first input end of the amplifier unit
First resistor is stated, with the voltage of first resistor described in the voltage amplification according to its reference edge；The input of second operational amplifier circuit
The second input terminal connection second resistance of the end as the amplifier unit, with described in the voltage amplification according to its reference edge the
The voltage of two resistance；The output end of the output end of first operational amplifier circuit and second operational amplifier circuit connection, as institute
The output end for stating amplifier unit charges to the battery.
Optionally, in above-mentioned two-way switching charging circuit, first operational amplifier circuit and the second operational amplifier circuit are used
LM358 or LM324.
Meanwhile to achieve the above object, the utility model also provides a kind of two-way switching integrated power supply, comprising: solar energy
Plate, for converting the solar into direct current；It connects 220V ac input end to Transformer Rectifier filter unit, and alternating current is converted
For direct current；Two-way switch unit switches charging circuit using as above any two-way comprising two input terminals, point
The solar panels and the Transformer Rectifier filter unit are not connected, and the two-way switch unit is used for the solar panels
Voltage and the Transformer Rectifier filter unit voltage, selection wherein higher voltage output to amplifier unit input
End；The output end of the amplifier unit connects battery, and the amplifier unit is used to amplify the voltage of its input terminal, with
It charges to the battery.
Beneficial effect
In the two-way switching charging circuit of the utility model, the output voltage and 220V of solar panels are compared by comparator
Alternating current is formed by after Transformer Rectifier filters can be to the reference voltage that battery charges.By the output of comparator
Two of end control relay go out point and are turned on or off, and the output voltage of solar panels or alternating current are filtered by Transformer Rectifier
Amplifier can be provided to the reference voltage that battery charges by being formed by afterwards, be charged by amplifier to battery.
Above-mentioned two-way switching charging circuit is during switching, also further by time delay resistance RC to delay capacitor C1
Charge realizing and stablizing for voltage output is switched, rush of current is avoided to damage device.The process of charging is also
Can be further assured that circuit will not because of solar panels output voltage it is unstable and cause accidentally to switch.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, and with this reality
Together with novel embodiment, for explaining the utility model, limitations of the present invention are not constituted.In the accompanying drawings:
Fig. 1 is the integrated circuit block diagram representation of two-way switching integrated power supply provided by the utility model；
Fig. 2 is the circuit diagram of the two-way switch unit of the utility model.
In figure, 1 indicates solar panels；2 indicate 220V ac input end；3 indicate two-way switch unit；4 indicate that transformation is whole
Flow filter unit；5 indicate amplifier unit；6 indicate battery.
Specific embodiment
To keep the purpose and technical solution of the utility model embodiment clearer, implement below in conjunction with the utility model
The attached drawing of example, is clearly and completely described the technical solution of the utility model embodiment.Obviously, described embodiment
It is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the embodiments of the present invention,
Those of ordinary skill in the art's every other embodiment obtained under the premise of being not necessarily to creative work belongs to practical
Novel protected range.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term) there is meaning identical with the general understanding of those of ordinary skill in the utility model fields.Also
It should be understood that those terms such as defined in the general dictionary should be understood that have in the context of the prior art
The consistent meaning of meaning will not be explained in an idealized or overly formal meaning and unless defined as here.
The meaning of " connection " described in the utility model can be to be directly connected to be also possible between component between component
Pass through being indirectly connected with for other components.
Fig. 1 is to switch integrated power supply according to a kind of two-way of the utility model, comprising:
Solar panels 1, for converting the solar into direct current；
It connects 220V ac input end 2 to Transformer Rectifier filter unit 4, converts alternating current to direct current；It is specific and
Speech, transformation can realize that rectification can be realized by bridge rectifier by transformer winding coil, the output of bridge rectifier
End can connect RC circuit to realize filtering.
Two-way switch unit 3 switches charging circuit using two-way shown in Fig. 2 comprising two input terminals are separately connected
The solar panels 1 and the Transformer Rectifier filter unit 4, the two-way switch unit 3 is for the solar panels 1
The voltage of voltage and the Transformer Rectifier filter unit 4, selection wherein higher voltage output to amplifier unit 5 input
End；
The output end of the amplifier unit 5 connects battery 6, the amplifier unit 5 be used for the voltage of its input terminal into
Row amplification, to charge to the battery 6.
Fig. 2 show the circuit of two-way switch unit in above-mentioned power supply.Comprising:
First indicator light L1, first resistor R1, are connected in parallel between the output end of solar panels and ground；
Second indicator light L2, second resistance R2, are connected in parallel between the output end and ground of Transformer Rectifier filter unit；
Comparator U1, can be used LM361, two input terminal is separately connected the first resistor R1 and the second resistance
R2, it is defeated when the voltage of the first resistor R1 is high for the voltage of the first resistor R1 and the second resistance R2
High level out exports low level when the voltage of the second resistance R2 is high；
Delay circuit connects the output end of the comparator U1, is delayed to the output level of the comparator U1；
Relay J, coil connects the output end of the comparator U1 and the output end of the delay circuit, described
Movable contact J1 is connected when exporting high level in the output end of comparator U1, protects when the output end of the comparator U1 exports low level
Stationary contact J2 is held to be connected always；The movable contact J1 be connected to the first resistor R1 and amplifier unit 5 first input end it
Between, the stationary contact J2 is connected between the second resistance R2 and the second input terminal of amplifier unit 5；The amplifier unit 5
Public input terminal connect the output end of the delay circuit；The amplifier unit 5 amplifies institute when the movable contact J1 is connected
The voltage for stating first resistor R1 exports amplified voltage and charges for battery；The amplifier unit 5 is led in the stationary contact J2
When logical, amplify the voltage of the second resistance R2, exports amplified voltage and charge for battery.
Specifically, the delay circuit includes:
Time delay resistance RC, one end connect the output end of the comparator U1, and the other end is grounded by delay capacitor C1, use
It charges according to the output voltage of the comparator U1 to the delay capacitor C1；
First switching element Q1, first end connect the common end of the delay capacitor C1 Yu the time delay resistance RC,
Second end ground connection, third end is connect with the third end of second switch element Q2；The second end of the second switch element Q2 with
And the first end ground connection of the second switch element Q2, second end connection the first delay output electricity of the second switch element Q2
RV1 is hindered, the other end of the first delay output resistance RV1 is connect with the second delay output resistance RV2；First delay is defeated
Resistance RV1 connect the third end of third switch element Q3 with the common end of the second delay output resistance RV2 out；The third switch
The second end of element Q3 connects the relay J, the first end connection of the third switch element Q3 the second delay output
Resistance RV2 connects the public input terminal of the amplifier unit 5 as the output end of the delay circuit.
The circuit is higher than 220V alternating current in the output end voltage of solar panels and is formed by after Transformer Rectifier filters
When can be to the reference voltage that battery charges, high level be exported in the output end of the comparator U1, otherwise output is low
Level.When high level, which charges to delay capacitor C1 by time delay resistance RC.During charging, delay capacitor C1's
Voltage is gradually increased by low-voltage, and at the end of charging, the high voltage of delay capacitor C1 and the common end time delay resistance RC will be described
Second switch element Q2 is switched on state by off state, it drives first switching element Q1 conducting as a result, to pass through
First delay output resistance RV1 with second be delayed output resistance RV2 partial pressure so that third switch element Q3 is connected, and make the
Two delay output resistance RV2 constitute the feedback resistance for the amplifier unit 5 that its junior is connected.Second delay output resistance RV2 makees
For feedback resistance, voltage controls the magnification ratio of the amplifier.
Meanwhile during above-mentioned charging, switching, the line of the output end output high level driving relay J of comparator U1
Circle, movable contact J1 is connected.As a result, the output voltage of solar panels is supplied in amplifier unit after first resistor R1
The first operational amplifier circuit U51 amplified according to magnification ratio determined by feedback resistance.When the output end of comparator U1 exports
When low level, the coil no current of relay J is driven, therefore maintains stationary contact J2 conducting.That is, being exchanged at this time by 220V
Electricity is formed by after Transformer Rectifier filters can be to the reference voltage that battery charges by the second operational amplifier circuit U52
It is amplified according to magnification ratio determined by feedback resistance, and realizes the charging to battery.
Specifically, can realize the first switching element by high-power MOS tube, such as KIA9N90H in foregoing circuit
Q1, second switch element Q2 and the third switch element Q3.Wherein, the first switching element Q1, third switch
Element Q3 is p-type metal-oxide-semiconductor；The second switch element Q2 is N-type metal-oxide-semiconductor.
Specifically, amplifier unit 5 includes the first operational amplifier circuit U51 and the second operational amplifier circuit U52 in foregoing circuit,
LM358 or LM324 can be used.The reference edge of described two operational amplifier circuits connect with the output end of the delay circuit using as
The public input terminal of the amplifier unit 5；
The input terminal of the first operational amplifier circuit U51 connects described first as the first input end of the amplifier unit 5
Resistance R1, with the voltage of first resistor R1 described in the voltage amplification according to its reference edge；
The input terminal of the second operational amplifier circuit U52 connects described second as the second input terminal of the amplifier unit 5
Resistance R2, with the voltage of second resistance R2 described in the voltage amplification according to its reference edge；
The output end of the output end of the first operational amplifier circuit U51 and the second operational amplifier circuit U52 connection, as institute
The output end for stating amplifier unit 5 charges to the battery 6.
The above is only the embodiments of the present invention, and the description thereof is more specific and detailed, but can not therefore understand
For a limitation on the scope of the patent of the present invention.It should be pointed out that for those of ordinary skill in the art, not taking off
Under the premise of from the utility model design, various modifications and improvements can be made, these belong to the protection of the utility model
Range.
Claims (6)
1. a kind of two-way switches charging circuit characterized by comprising
First indicator light (L1), first resistor (R1), are connected in parallel between the output end of solar panels and ground；
Second indicator light (L2), second resistance (R2), are connected in parallel between the output end and ground of Transformer Rectifier filter unit；
Comparator (U1), two input terminal are separately connected the first resistor (R1) and the second resistance (R2), for than
The voltage of the first resistor (R1) and the second resistance (R2) exports high when the voltage of the first resistor (R1) is high
Level exports low level when the voltage of the second resistance (R2) is high；
Delay circuit connects the output end of the comparator (U1), is delayed to the output level of the comparator (U1)；
Relay (J), coil connects the output end of the comparator (U1) and the output end of the delay circuit, described
Movable contact (J1) is connected when exporting high level in the output end of comparator (U1), exports low electricity in the output end of the comparator (U1)
Usually stationary contact (J2) is kept to be connected always；The movable contact (J1) is connected to the first resistor (R1) and amplifier unit (5)
First input end between, the stationary contact (J2) is connected to the second input of the second resistance (R2) and amplifier unit (5)
Between end；The public input terminal of the amplifier unit (5) connects the output end of the delay circuit；Amplifier unit (5) In
When the movable contact (J1) is connected, amplify the voltage of the first resistor (R1), exports amplified voltage and charge for battery；
The amplifier unit (5) amplifies the voltage of the second resistance (R2) when the stationary contact (J2) is connected, and exports amplified
Voltage charges for battery.
2. two-way as described in claim 1 switches charging circuit, which is characterized in that the delay circuit includes:
Time delay resistance (RC), one end connect the output end of the comparator (U1), and the other end is grounded by delay capacitor (C1),
For being charged according to the output voltage of the comparator (U1) to the delay capacitor (C1)；
First switching element (Q1), first end connect the common end of the delay capacitor (C1) and the time delay resistance (RC),
Its second end ground connection, third end is connect with the third end of second switch element (Q2)；The of the second switch element (Q2)
The first end of two ends and the second switch element (Q2) ground connection, the second end connection first of the second switch element (Q2)
It is delayed output resistance (RV1), the other end of first delay output resistance (RV1) and the second delay output resistance (RV2) are even
It connects；First delay output resistance (RV1) connect third switch element with the common end of the second delay output resistance (RV2)
(Q3) third end；The second end of the third switch element (Q3) connects the relay (J), the third switch element
(Q3) first end connection second delay output resistance (RV2) connects the amplifier as the output end of the delay circuit
The public input terminal of unit (5).
3. two-way as claimed in claim 2 switches charging circuit, which is characterized in that the first switching element (Q1), second
Switch element (Q2) and the third switch element (Q3) are high-power MOS tube.
4. two-way as claimed in claim 3 switches charging circuit, which is characterized in that the first switching element (Q1), described
Third switch element (Q3) is p-type metal-oxide-semiconductor；The second switch element (Q2) is N-type metal-oxide-semiconductor.
5. two-way as claimed in claim 4 switches charging circuit, which is characterized in that the amplifier unit (5) includes the first fortune
Discharge road (U51) and the second operational amplifier circuit (U52), wherein the reference edge of described two operational amplifier circuits with the delay circuit
Output end connection using the public input terminal as the amplifier unit (5)；
The input terminal of first operational amplifier circuit (U51) connects described first as the first input end of the amplifier unit (5)
Resistance (R1), with the voltage of first resistor described in the voltage amplification according to its reference edge (R1)；
The input terminal of second operational amplifier circuit (U52) connects described second as the second input terminal of the amplifier unit (5)
Resistance (R2), with the voltage of second resistance described in the voltage amplification according to its reference edge (R2)；
The output end connection of the output end and second operational amplifier circuit (U52) of first operational amplifier circuit (U51), as institute
The output end for stating amplifier unit (5) charges to the battery (6).
6. two-way as claimed in claim 5 switches charging circuit, which is characterized in that first operational amplifier circuit (U51) and the
Two operational amplifier circuits (U52) use LM358 or LM324.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408887.6U CN209627049U (en) | 2019-03-28 | 2019-03-28 | Two-way switches charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408887.6U CN209627049U (en) | 2019-03-28 | 2019-03-28 | Two-way switches charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209627049U true CN209627049U (en) | 2019-11-12 |
Family
ID=68457962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920408887.6U Expired - Fee Related CN209627049U (en) | 2019-03-28 | 2019-03-28 | Two-way switches charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209627049U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888883A (en) * | 2019-03-28 | 2019-06-14 | 南京机电职业技术学院 | Two-way switches integrated power supply and two-way switch unit circuit therein |
| CN111009955A (en) * | 2019-11-26 | 2020-04-14 | 武汉联特科技有限公司 | Dual-power supply circuit with protection |
-
2019
- 2019-03-28 CN CN201920408887.6U patent/CN209627049U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888883A (en) * | 2019-03-28 | 2019-06-14 | 南京机电职业技术学院 | Two-way switches integrated power supply and two-way switch unit circuit therein |
| CN109888883B (en) * | 2019-03-28 | 2024-05-31 | 南京机电职业技术学院 | Dual-path switching integrated power supply and dual-path switching unit circuit thereof |
| CN111009955A (en) * | 2019-11-26 | 2020-04-14 | 武汉联特科技有限公司 | Dual-power supply circuit with protection |
| CN111009955B (en) * | 2019-11-26 | 2021-07-09 | 武汉联特科技股份有限公司 | Dual-power supply circuit with protection |
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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 |
Granted publication date: 20191112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |