CN209001628U - The general power supply circuit of photovoltaic controller battery - Google Patents
The general power supply circuit of photovoltaic controller battery Download PDFInfo
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- CN209001628U CN209001628U CN201821808650.9U CN201821808650U CN209001628U CN 209001628 U CN209001628 U CN 209001628U CN 201821808650 U CN201821808650 U CN 201821808650U CN 209001628 U CN209001628 U CN 209001628U
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Abstract
The utility model provides a kind of general power supply circuit of photovoltaic controller battery, the positive output end and first resistor of battery, 3rd resistor, one end of 6th resistance and the collector connection of third transistor, the other end of first resistor is connect with the cathode of the first voltage-stabiliser tube, the collector of second triode is connected to one end of the 5th resistance, the other end of 5th resistance is connected to one end of the 4th resistance and the base stage of the 4th triode, the other end of 4th resistance is connected to the emitter of the 4th triode, the collector of 4th triode and the emitter of third transistor, power output end connection, the other end of 6th resistance is connected to the base stage of third transistor, the cathode of second voltage-stabiliser tube connects, the anode of second voltage-stabiliser tube is connect with negative sense output end, negative sense output end ground connection.The power supply circuit has preferable versatility, and the battery system of 12/24V can be directly connected to, have many advantages, such as that circuit is simple, at low cost, small in size.
Description
Technical field
The utility model relates to a kind of photovoltaic controllers, in particular to one kind 12- used in photovoltaic controller circuit
The general power supply circuit of 24V battery.
Background technique
With the increasingly increasingly exacerbation of shortage and environmental pollution of the energy, clean energy resource, renewable energy become current
The field that countries in the world are given priority to, wherein photovoltaic power generation technology because its have many advantages, such as green, environmental protection, it is renewable increasingly by
To the attention and welcome of people.In photovoltaic power generation technology, photovoltaic controller is for controlling multichannel solar cell array to storage
The unstable direct current that battery charging and battery generate photovoltaic module to solar inverter load supplying is converted into
Stable DC, therefore photovoltaic controller is played a crucial role during photovoltaic power generation.
In photovoltaic controller in use, due to photovoltaic battery panel spread of voltage and night without electricity, so power supply is exhausted
Major part can be powered using battery voltage, and battery uses fairly common, most of situation in photovoltaic controller
The batteries usage amounts such as lower plumbic acid, colloid are larger, and this kind of general voltage class of battery is all 12V or 24V, and conventional in the past does
Method is that different storage battery power supply circuits is arranged for the battery of different voltages grade, and such photovoltaic controller is need to set
Two models, the photovoltaic controller between different model can not be general, also just affects the standardization of equipment in this way.There are also one at present
Kind of mode is come the switching for realizing voltage by way of software detection, but this mode circuit structure is complex, Er Qiesheng
Higher cost is produced, therefore is not very useful.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of for traditional electric power storage
Pond power supply circuit there are the problem of, individually designed a power supply circuit that can be general in 12/24V system, without according to not
Same battery grade replaces electronic device, does not need special software control, and the automatic switchover of 12/24V battery may be implemented
General power supply circuit.
In order to achieve the above objects and other related objects, the utility model provides a kind of general confession of photovoltaic controller battery
Circuit, positive output end and negative sense output end including battery, the positive output end of the battery and first resistor, the
The collector connection of three resistance, one end of the 6th resistance and third transistor, the other end of first resistor and the first voltage-stabiliser tube
Cathode connection, the first voltage-stabiliser tube anode connect with the base stage of second resistance and the first triode, the second resistance it is another
End is connect with the emitter of the first triode, negative sense output end；The other end of 3rd resistor is connected to the current collection of the first triode
The base stage of pole and the second triode；The emitter of second triode is connected to negative sense output end, and the collector of the second triode connects
It is connected to one end of the 5th resistance, the other end of the 5th resistance is connected to one end of the 4th resistance and the base stage of the 4th triode, the
The other end of four resistance is connected to the emitter of the 4th triode, the collector of the 4th triode and the transmitting of third transistor
Pole, power output end connection, the other end of the 6th resistance is connected to the base stage of third transistor, the cathode of the second voltage-stabiliser tube connects
It connects, the anode of the second voltage-stabiliser tube is connect with negative sense output end, negative sense output end ground connection.
Preferably, first capacitor is parallel between the positive output end and negative sense output end.
Preferably, the second capacitor is equipped between the power output end and ground.
Preferably, parallel diode between the collector and emitter of the 4th triode.
Preferably, the burning voltage of first voltage-stabiliser tube is 18V, and the burning voltage of second voltage-stabiliser tube is 12V.
As described above, the general power supply circuit of this photovoltaic controller battery has the advantages that the power supply circuit has
There is preferable versatility, the battery system of 12/24V can be directly connected to, without changing hardware circuit；Simple circuit:
Corresponding output is directly generated by the cooperation of triode and zener diode, is not necessarily to software control, can directly pass through hardware electricity
It realizes on road；Have many advantages, such as that circuit is simple, at low cost, small in size.
Detailed description of the invention
Fig. 1 is the circuit diagram of the utility model embodiment.
Specific embodiment
Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.
Please refer to Fig. 1.It should be noted that diagram provided in the present embodiment only illustrates that this is practical new in a schematic way
The basic conception of type, only shown in schema then with related component in the utility model rather than package count when according to actual implementation
Mesh, shape and size are drawn, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its
Assembly layout kenel may also be increasingly complex.
As shown in Figure 1, the utility model provides a kind of general power supply circuit of photovoltaic controller battery comprising battery
Two input terminals of positive output end BAT+ and negative sense output end BAT-, the positive output end BAT+ of battery be connected to first electricity
Hinder the collector of R1,3rd resistor R3, one end of the 6th resistance R6 and third transistor Q3.The other end of first resistor R1 and
The cathode of one voltage-stabiliser tube D1 connects, and the anode of the first voltage-stabiliser tube D1 is connect with the base stage of second resistance R2 and the first triode Q1.
The other end of second resistance R2 is connected to the emitter of the first triode Q1, the BAT- connection of negative sense output end.3rd resistor R3's
The other end is connected to the collector of the first triode Q1 and the base stage of the second triode Q2, the emitter connection of the second triode Q2
To negative sense output end BAT-, the collector of the second triode Q2 is connected to one end of the 5th resistance R5, and the 5th resistance R5's is another
End is connected to one end of the 4th resistance R4 and the base stage of the 4th triode Q4.
The other end of 4th resistance R4 is connected to the emitter of the 4th triode Q4, the collector of the 4th triode Q4 and
The emitter of three triode Q3, power output end V1 connection, the other end of the 6th resistance R6 are connected to the base of third transistor Q3
The cathode connection of pole, the second voltage-stabiliser tube D3, the anode of the second voltage-stabiliser tube are connect with negative sense output end BAT-, negative sense output end BAT-
It is grounded GND.Voltage jump in order to prevent can be parallel with first capacitor between positive output end BAT+ and negative sense output end BAT-
C1, is equipped with the second capacitor C2 between power output end V1 and ground GND, and the collector of the 4th triode Q4 and emitter it
Between parallel diode D2, can guarantee output voltage stabilization in this way, while playing a protective role to circuit.First voltage-stabiliser tube D1's is steady
Constant voltage is 18V, and the burning voltage of the second voltage-stabiliser tube D2 is 12V
The circuit operation principle are as follows: when battery voltage is 12V system, battery voltage is by first resistor R1, the
One voltage-stabiliser tube D1, second resistance R2, the voltage generated on second resistance R2 are low level, and the first triode Q1 can not be connected；
It is high level that the collector pole tension of such first triode Q1, which is connected to battery positive input by 3rd resistor R3, can
To realize the conducting of the second triode Q2；After second triode Q2 conducting, voltage difference can be generated on the 4th resistance R4, and then make
Obtain the 4th triode Q4 conducting；Battery voltage is directly over the 4th triode Q4 and exports to output voltage terminal V1 in this way.
When battery voltage is 24V system, battery voltage is by first resistor R1, the first voltage-stabiliser tube D1, the second electricity
R2 is hindered, the voltage generated on second resistance R2 is high level, the first triode Q1 conducting；The current collection of such first triode Q1
Extremely low level causes the second triode Q2 that can not be connected；Second triode Q2 can not be connected so that not having on the 4th resistance R4
Pressure difference, so that the 4th triode Q4 can not be connected, such battery voltage can generate voltage output extremely by third transistor Q3
Output voltage terminal V1, the second voltage-stabiliser tube D3 can clamp output voltage size so that output voltage will not export it is too high；Such nothing
By being 12V or 24V battery system, output voltage can be all controlled within a certain range, and realize 12/24V battery
General power supply circuit.
It can be seen that the power supply circuit has preferable versatility, the battery system of 12/24V can directly be connected
It connects, without changing hardware circuit；Simple circuit: directly generating corresponding output by the cooperation of triode and zener diode,
Without software control, can directly be realized by hardware circuit；Have many advantages, such as that circuit is simple, at low cost, small in size.So this
Utility model effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (5)
1. a kind of general power supply circuit of photovoltaic controller battery, positive output end (BAT+) and negative sense output including battery
Hold (BAT-), it is characterised in that: the positive output end (BAT+) of the battery and first resistor (R1), 3rd resistor (R3),
One end of 6th resistance (R6) and the collector connection of third transistor (Q3), the other end of first resistor (R1) and the first pressure stabilizing
The cathode connection of (D1) is managed, anode and the base stage of second resistance (R2) and the first triode (Q1) of the first voltage-stabiliser tube (D1) connect
It connects, the other end of the second resistance (R2) is connect with the emitter of the first triode (Q1), negative sense output end (BAT-)；Third
The other end of resistance (R3) is connected to the collector of the first triode (Q1) and the base stage of the second triode (Q2)；Second triode
(Q2) emitter is connected to negative sense output end (BAT-), and the collector of the second triode (Q2) is connected to the 5th resistance (R5)
One end, the other end of the 5th resistance (R5) are connected to one end of the 4th resistance (R4) and the base stage of the 4th triode (Q4), and the 4th
The other end of resistance (R4) is connected to the emitter of the 4th triode (Q4), the collector of the 4th triode (Q4) and the three or three pole
Emitter, power output end (V1) connection of (Q3) are managed, the other end of the 6th resistance (R6) is connected to third transistor (Q3)
The cathode connection of base stage, the second voltage-stabiliser tube (D3), the anode of the second voltage-stabiliser tube are connect with negative sense output end (BAT-), negative sense output
Hold (BAT-) ground connection (GND).
2. the general power supply circuit of photovoltaic controller battery according to claim 1, it is characterised in that: the positive output
First capacitor (C1) is parallel between end (BAT+) and negative sense output end (BAT-).
3. the general power supply circuit of photovoltaic controller battery according to claim 1, it is characterised in that: the power supply output
It holds and is equipped with the second capacitor (C2) between (V1) and ground (GND).
4. the general power supply circuit of photovoltaic controller battery according to claim 1, it is characterised in that: the four or three pole
Manage parallel diode (D2) between the collector and emitter of (Q4).
5. the general power supply circuit of photovoltaic controller battery according to claim 1, it is characterised in that: first pressure stabilizing
The burning voltage for managing (D1) is 18V, and the burning voltage of second voltage-stabiliser tube (D2) is 12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821808650.9U CN209001628U (en) | 2018-11-05 | 2018-11-05 | The general power supply circuit of photovoltaic controller battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821808650.9U CN209001628U (en) | 2018-11-05 | 2018-11-05 | The general power supply circuit of photovoltaic controller battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209001628U true CN209001628U (en) | 2019-06-18 |
Family
ID=66807119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821808650.9U Active CN209001628U (en) | 2018-11-05 | 2018-11-05 | The general power supply circuit of photovoltaic controller battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209001628U (en) |
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2018
- 2018-11-05 CN CN201821808650.9U patent/CN209001628U/en active Active
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