CN208971408U - A kind of rectification circuit - Google Patents
A kind of rectification circuit Download PDFInfo
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- CN208971408U CN208971408U CN201821801012.4U CN201821801012U CN208971408U CN 208971408 U CN208971408 U CN 208971408U CN 201821801012 U CN201821801012 U CN 201821801012U CN 208971408 U CN208971408 U CN 208971408U
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- storage rectifier
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- 238000004146 energy storage Methods 0.000 claims abstract description 52
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims description 30
- 239000003381 stabilizer Substances 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims 1
- 101100365087 Arabidopsis thaliana SCRA gene Proteins 0.000 description 14
- 101150105073 SCR1 gene Proteins 0.000 description 14
- 101100134054 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) NTG1 gene Proteins 0.000 description 14
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 241000486679 Antitype Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a kind of rectification circuits, comprising: for the first energy storage rectifier circuit of halfwave rectifier, which stores after rectifying to the alternating current positive half cycle of input；Second energy storage rectifier circuit, second energy storage rectifier circuit store again after carrying out voltage multiplying rectifier to the alternating current of input；Voltage regulator circuit, for limiting the output voltage of the second energy storage rectifier circuit；The control circuit being electrically connected with the first energy storage rectifier circuit, the second energy storage rectifier circuit and voltage regulator circuit, when the input voltage of the first energy storage rectifier circuit is lower than the pressure stabilizing value of voltage regulator circuit, control circuit is turned on, it controls the start-up operation of the second energy storage rectifier circuit and carries out charging energy-storing, the cut-off of the first energy storage rectifier circuit does not work；On the contrary when the input voltage of the first energy storage rectifier circuit is higher than the pressure stabilizing value of voltage regulator circuit, the start-up operation of the first energy storage rectifier circuit carries out charging energy-storing and the second energy storage rectifier circuit stops working.The utility model has the advantages that at low cost.
Description
Technical field
The utility model relates to electronic circuit technology fields, and in particular to a kind of rectification circuit.
Background technique
Currently, can usually use active rectified current when the alternating current of Utilities Electric Co.'s production is converted to civilian direct current
Road.Common rectification circuit mainly has booster type circuit framework (Boost) or anti-type frame structure of speeding (Fly back).However, rising
Die mould circuit framework can increase the voltage value of DC voltage while alternating voltage is converted to DC voltage, cause most of
Civil electric appliance is not available because of its overtension.Therefore, which needs to cooperate other reduction voltage circuit
The DC voltage that civil electric appliance is able to use can be converted to.Thus, booster type circuit framework higher cost, voltage conversion efficiency
It is lower.And anti-type frame structure of speeding needs one group of transformer to carry out electrical power conversion, causes voltage conversion efficiency lower and is not suitable for big
The occasion of power.
Summary of the invention
The purpose of this utility model is to provide a kind of rectification circuits at low cost.
The technical solution for solving above-mentioned technical problem is as follows:
A kind of rectification circuit, comprising:
For the first energy storage rectifier circuit of halfwave rectifier, alternating current positive half cycle of first energy storage rectifier circuit to input
It is stored after rectification；
Second energy storage rectifier circuit, second energy storage rectifier circuit are deposited after carrying out voltage multiplying rectifier to the alternating current of input
Storage；
Voltage regulator circuit, for limiting the output voltage of the second energy storage rectifier circuit；
The control circuit being electrically connected with the first energy storage rectifier circuit, the second energy storage rectifier circuit and voltage regulator circuit,
When the input voltage of one energy storage rectifier circuit is lower than the pressure stabilizing value of voltage regulator circuit, control circuit is turned on, control the second rectification storage
It can circuit start-up operation progress charging energy-storing.
The characteristics of the utility model are as follows: if the AC power source of the utility model connection is generator, generator just starts to transport
When turning, revolving speed is low, and the alternating voltage peak of output is low, if only halfwave rectifier or full-wave rectification, will lead to output voltage
Relatively low, being connected to load such as inverter control circuit, sample circuit of rectification circuit output end etc. under-voltage may not work,
In order to work when revolving speed is lower, output voltage is improved by the voltage multiplying rectifier of the second energy storage rectifier circuit, is made
Load such as inverter low-voltage circuit can work together.After generator speed increases, the alternating voltage peak of output is increased,
Output Voltage in Rectified Circuits can also increase, therefore limit output voltage by voltage regulator circuit, make to load such as inverter low pressure
Circuit can obtain the protection of over-voltage.But due to the working characteristics of the second energy storage rectifier circuit and load such as inverter, work as hair
After motor working speed continues raising, the alternating voltage peak of output be will increase, and output voltage VCC charge frequency can reduce, defeated
Voltage VCC ripple will increase out, this will affect the normal work of load such as inverter.So enabling the first rectification energy storage at this time
Circuit carries out halfwave rectifier to reduce ripple.Also, the circuit structure of the utility model is very simple, therefore, relatively existing need
To have the advantages that at low cost for rectification circuit with booster circuit.
Detailed description of the invention
Fig. 1 is the schematic diagram of the rectification circuit of the utility model.
Specific embodiment
As shown in Figure 1, the rectification circuit of the utility model, comprising: voltage regulator circuit, control circuit, for connect load
First energy storage rectifier circuit, the second energy storage rectifier circuit.Further, the utility model further includes the alternating current for exporting alternating current
Source, AC power source are electrically connected with the first energy storage rectifier circuit, the second energy storage rectifier circuit and voltage regulator circuit respectively, the exchange
Power supply preferentially selects alternating current generator, and alternating current generator preferentially uses magneto.Below between each section and they
Relationship is described in detail:
As shown in Figure 1, the first energy storage rectifier circuit stores after rectifying to the alternating current positive half cycle of input.Described first
The structure that energy storage rectifier circuit preferentially uses is including the first rectifier and the first charging and discharging connecting with the first rectifier
Device.First rectifier includes first diode D1, and the first charger-discharger includes the second capacitor C2, the second capacitor C2's
One end is connect with the cathode terminal of first diode D1, the other end of the second capacitor C2 ground connection, the anode tap of first diode D1 with
First feeder ear of alternating current generator connects.Second capacitor C1 preferentially uses electrolytic capacitor.
As shown in Figure 1, when alternator operation, the voltage of alternating current generator output is in when being positive half cycle, first
Diode D1 conducting, alternating current obtain output voltage VCC, the direct current supply of output after first diode D1 is integrated into direct current
R4 is loaded, while output voltage VCC charges to the second capacitor C2.
As shown in Figure 1, the second energy storage rectifier circuit after the alternating current voltage multiplying rectifier of input to storing；Described second is whole
The structure that stream accumulator preferentially uses is including the second rectifier and the second charger-discharger connecting with the second rectifier.
Second rectifier includes the second diode D2, and the second charger-discharger includes first capacitor C1, one end of first capacitor C1
It is connect with the cathode terminal of the second diode D2.The anode tap of second diode D2 and the second feeder ear of alternating current generator connect,
The other end of first capacitor C1 is connect with the first feeder ear with alternating current generator.First capacitor C1 preferentially uses electrolytic capacitor.
As shown in Figure 1, when alternator operation, the voltage of alternating current generator output is in when being negative half period, first
Diode D1 cut-off, alternating current obtain first voltage V1 after the second diode D2 is integrated into direct current, and first voltage V1 is to the
One capacitor C1 charges.
As shown in Figure 1, voltage regulator circuit is used to limit the output voltage VCC of the second energy storage rectifier circuit, the voltage regulator circuit
Including voltage-stabiliser tube D3.Control circuit is electrically connected with the first energy storage rectifier circuit, the second energy storage rectifier circuit and voltage regulator circuit,
When the input voltage of first energy storage rectifier circuit is lower than the pressure stabilizing value of voltage regulator circuit, control circuit is turned on, the second rectification of control
Accumulator, which is started to work, carries out charging energy-storing.
As shown in Figure 1, the control circuit includes thyristor SCR1 and bypass circuit, the anode of thyristor SCR1 and negative
The connection of half cycle charging capacitor, the cathode of thyristor SCR1 and load connect, and the control electrode of thyristor SCR1 is connect with bypass circuit,
One end of bypass circuit is connect with negative half period charging capacitor, and the other end for controlling bypass is connect with the second energy storage rectifier circuit.
As shown in Figure 1, the bypass circuit includes first resistor R1, second resistance R2,3rd resistor R3, first resistor R1
One end connect with the second energy storage rectifier circuit, one end of first resistor R1 is connect with one end of first capacitor C1, first resistor
The other end of R1 is connect with one end of 3rd resistor R3, and the other end of 3rd resistor R3 is connect with one end of second resistance R2, the
The other end of two resistance R2 is connect with the first energy storage rectifier circuit, the other end of second resistance R2 and the cathode of first diode D1
End connection.The control electrode of the thyristor SCR1 is connect with the other end of 3rd resistor R3.
As shown in Figure 1, voltage-stabiliser tube D3 anode and alternating current generator the second feeder ear connect, the cathode of voltage-stabiliser tube D3 with
The other end of first resistor R1 connects.
As shown in Figure 1, voltage-stabiliser tube D3 pressure stabilizing value is VD3.By first capacitor C1, the second capacitor C2, the second diode D2, steady
Pressure pipe D3, brilliant lock SCR1, first resistor R1, second resistance R2,3rd resistor R3 form voltage doubling rectifing circuit, by first diode
D1, first capacitor C2 form half-wave rectifying circuit.When initial, circuit does not store electric energy.
When magneto works, power supply coil L1 output AC voltage Vac=Vp*sin Φ on Magnetor stator.
When being output to the alternating voltage Vac of rectification circuit and being in positive half cycle, as shown in Figure 1, alternating voltage Vac makes the one or two
Pole pipe D1 conducting, the second diode D2, voltage-stabiliser tube D3, crystalline substance lock SCR1 are in off state, and alternating voltage Vac is through the one or two pole
Pipe D1 obtains output voltage VCC, the direct current supply load R4 of output after being integrated into direct current, while output voltage VCC is to second
Capacitor C2 charges.At this moment, output voltage VCC gives load R4 power supply.
When the alternating voltage Vac for being output to rectification circuit is in negative half period, as shown in Figure 1, the second diode D2 is connected,
First diode D1 cut-off, alternating voltage Vac carry out charging energy-storing to first capacitor C1 through the second diode D2.Work as alternating voltage
When the positive half cycle voltage of Vac next cycle arrives, the voltage on first capacitor C1 can be superimposed upon on alternating current positive half cycle voltage
Form first voltage V1.First voltage V1 forms touching by the control electrode of first resistor R1,3rd resistor R3 to thyristor SCR1
Power generation pressure V3, is connected thyristor SCR1, and first voltage V1 charges after being rectified by thyristor SCR1 to the second capacitor C2, in this way
So that output voltage VCC is increased, output voltage VCC is about 2 times of magneto crest voltage.At this point, the value of output voltage VCC is still
So it is less than the pressure stabilizing value of voltage-stabiliser tube D3, voltage-stabiliser tube D3 is not also breakdown.
Magneto revolving speed continues growing, and alternating voltage Vac continues to increase, and V1 voltage continues to increase, and output voltage VCC is therewith
Increase.When V1 voltage is increased to about voltage-stabiliser tube VD3Pressure stabilizing value after so that voltage-stabiliser tube D3 punctures, pressure stabilizing is made after breakdown
The voltage stabilization of pipe D3 is the pressure stabilizing value that second voltage V2(second voltage V2 is up to D3), output voltage is approximately equal to V3 and V2,
There is no voltage difference, thyristor SCR1 does not have trigger current and zero-crossing switching at this time.After voltage-stabiliser tube D3 is breakdown, pass through voltage-stabiliser tube D3
To the clamping action that V2 is formed, even if first voltage V1 is high again, second voltage V2 will not increase again, so working as output voltage
When VCC is greater than voltage-stabiliser tube D3 pressure stabilizing value, thyristor SCR1 is not turned on.The triggering of first voltage V1 increased to thyristor SCR1
Conducting does not work.At this moment, the second capacitor C2 powers to load R4.
Magneto revolving speed continues growing, the pressure stabilizing value V that output voltage VCC is about voltage-stabiliser tube D3D3.When input voltage is increased to
The about permanent pressure stabilizing value V for being greater than voltage-stabiliser tube D3D3Afterwards, Vac is the second capacitor C2 charging by first diode D1.Hereafter output voltage
VCC is greater than second voltage V2, and thyristor SCR1 is no longer turned on, and alternating voltage Vac is the second capacitor C2 by first diode D1
Charging.
Claims (10)
1. a kind of rectification circuit characterized by comprising
For the first energy storage rectifier circuit of halfwave rectifier, which rectifies the alternating current positive half cycle of input
After stored；
Second energy storage rectifier circuit, second energy storage rectifier circuit store after carrying out voltage multiplying rectifier to the alternating current of input；
Voltage regulator circuit, for limiting the output voltage of the second energy storage rectifier circuit；
The control circuit being electrically connected with the first energy storage rectifier circuit, the second energy storage rectifier circuit and voltage regulator circuit, it is whole first
When the input voltage of stream accumulator is lower than the pressure stabilizing value of voltage regulator circuit, control circuit is turned on, and the second energy storage rectifier circuit is opened
Beginning work carries out charging energy-storing.
2. rectification circuit according to claim 1, which is characterized in that first energy storage rectifier circuit includes the first rectification
Device and the first charger-discharger being connect with the first rectifier.
3. rectification circuit according to claim 2, which is characterized in that first rectifier includes first diode
(D1), the first charger-discharger includes the second capacitor (C2), one end of the second capacitor (C2) and the cathode of first diode (D1)
End connection, the other end ground connection of the second capacitor (C2).
4. rectification circuit according to claim 1, which is characterized in that second energy storage rectifier circuit includes the second rectification
Device and the second charger-discharger being connect with the second rectifier.
5. rectification circuit according to claim 4, which is characterized in that second rectifier includes the second diode
(D2), the second charger-discharger includes first capacitor (C1), one end of first capacitor (C1) and the cathode of the second diode (D2)
End connection.
6. rectification circuit according to claim 1, which is characterized in that the voltage regulator circuit includes voltage-stabiliser tube (D3).
7. rectification circuit according to claim 1, which is characterized in that the control circuit include thyristor (SCR1) and
The anode of bypass circuit, thyristor (SCR1) is connect with the first energy storage rectifier circuit, the cathode of thyristor (SCR1) and second whole
Accumulator connection is flowed, the control electrode of thyristor (SCR1) is connect with bypass circuit, and one end of bypass circuit is stored up with the first rectification
Energy circuit connection, the other end for controlling bypass are connect with the second energy storage rectifier circuit.
8. rectification circuit according to claim 7, which is characterized in that the bypass circuit includes first resistor (R1),
Two resistance (R2), 3rd resistor (R3), one end of first resistor (R1) are connect with the second energy storage rectifier circuit, first resistor (R1)
The other end connect with one end of 3rd resistor (R3), one end of the other end of 3rd resistor (R3) and second resistance (R2) connect
It connects, the other end of second resistance (R2) is connect with the first energy storage rectifier circuit.
9. rectification circuit according to claim 8, which is characterized in that control electrode and the third electricity of the thyristor (SCR1)
Hinder the other end connection of (R3).
10. according to claim 1 to rectification circuit described in one of 9, which is characterized in that further include the alternating current for exporting alternating current
Source, AC power source are electrically connected with the first energy storage rectifier circuit, the second energy storage rectifier circuit and voltage regulator circuit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821801012.4U CN208971408U (en) | 2018-11-02 | 2018-11-02 | A kind of rectification circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821801012.4U CN208971408U (en) | 2018-11-02 | 2018-11-02 | A kind of rectification circuit |
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| Publication Number | Publication Date |
|---|---|
| CN208971408U true CN208971408U (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821801012.4U Active CN208971408U (en) | 2018-11-02 | 2018-11-02 | A kind of rectification circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417259A (en) * | 2019-07-19 | 2019-11-05 | 广州金升阳科技有限公司 | A kind of self-switching type voltage regulator |
| CN113162439A (en) * | 2021-03-12 | 2021-07-23 | 深圳原能电器有限公司 | Half-wave symmetric converter and control method |
-
2018
- 2018-11-02 CN CN201821801012.4U patent/CN208971408U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417259A (en) * | 2019-07-19 | 2019-11-05 | 广州金升阳科技有限公司 | A kind of self-switching type voltage regulator |
| CN113162439A (en) * | 2021-03-12 | 2021-07-23 | 深圳原能电器有限公司 | Half-wave symmetric converter and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231019 Address after: Building 21, No. 40, Chenjiawan San Village, Huaxi Street, Banan District, Chongqing 400054 Patentee after: Chongqing Jili Yunfeng Motor Co.,Ltd. Address before: Chen Jia Wan 400054 Chongqing city Banan District lijiatuo Three Village No. 40 Patentee before: CHONGQING JILI YUNFENG INDUSTRY (Group) Co.,Ltd. |
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| TR01 | Transfer of patent right |