CN206673848U - A kind of positive-negative power circuit arrangement - Google Patents
A kind of positive-negative power circuit arrangement Download PDFInfo
- Publication number
- CN206673848U CN206673848U CN201720489182.2U CN201720489182U CN206673848U CN 206673848 U CN206673848 U CN 206673848U CN 201720489182 U CN201720489182 U CN 201720489182U CN 206673848 U CN206673848 U CN 206673848U
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- positive
- diode
- negative
- voltage stabilizing
- electric capacity
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 55
- 230000033228 biological regulation Effects 0.000 claims abstract description 32
- 238000004804 winding Methods 0.000 description 11
- 230000009977 dual effect Effects 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model discloses a kind of positive-negative power circuit arrangement, purpose is solve the problems, such as existing positive-negative power output circuit less stable, the voltage-stabilized power supply circuit device includes transformer module, Voltage stabilizing module and the output module being sequentially connected with, the Voltage stabilizing module includes negative supply voltage regulation unit and positive supply voltage regulation unit, and the negative supply voltage regulation unit, the positive supply voltage regulation unit connect transformer module and output module respectively.The setting of setting, i.e. voltage stabilizing chip U1 and voltage stabilizing chip U2 that the utility model passes through positive power supply unit of voltage regulation and negative power supply unit of voltage regulation, reduces the setting of discrete component, improves the stability of positive-negative power.
Description
Technical field
Field of power supplies is the utility model is related to, more particularly to a kind of positive-negative power circuit arrangement.
Background technology
Power amplifier push-pull circuit is mostly powered using negative and positive dual power, and negative and positive dual power refers to two groups of opposite polarities, voltage phase
Same power supply, but existing negative and positive dual power is configured using discrete component more, the less stable of circuit, meanwhile, electricity
Road design is complex.
Utility model content
To solve the problems, such as existing negative and positive dual power less stable, the utility model provides a kind of negative and positive dual power output
Circuit, including transformer module, Voltage stabilizing module and the output module being sequentially connected with, the Voltage stabilizing module include negative supply voltage stabilizing
Unit and positive supply voltage regulation unit, the negative supply voltage regulation unit, the positive supply voltage regulation unit connect transformer mould respectively
Block and output module.
Preferably, the negative supply voltage regulation unit includes voltage stabilizing chip U1, the voltage stabilizing chip U1 models CW7900 collection
Shaping.
Preferably, the voltage stabilizing chip includes pin 1, pin 2 and pin 3, and the negative supply voltage regulation unit includes two
Pole pipe D1, diode D2, electric capacity C1, electric capacity C2；
The negative pole of the diode D2 is connected to transformer module, and the positive pole of the diode D2 is connected to the diode
D1 positive pole；The negative pole of the diode D1 is connected to transformer module, and the positive pole of the diode D1 is connected to voltage stabilizing chip
U1 pin 2, the negative pole end of the electric capacity C1 are connected to the diode D1 and the voltage stabilizing chip U1 junction of pin 2,
The positive terminal ground connection of the electric capacity C1；One end of the electric capacity C2 is connected to the diode D1 and the voltage stabilizing chip U1 pipe
The junction of pin 2, other end ground connection；The pin 1 of the voltage stabilizing chip U1 is grounded.
Preferably, the positive supply voltage regulation unit includes voltage stabilizing chip U2, the voltage stabilizing chip U2 models CW7900 collection
Shaping.
Preferably, the positive supply voltage regulation unit includes voltage stabilizing chip U2, diode D3, diode D4, electric capacity C4, electric capacity
C5；
The negative pole of the diode D4 is connected to the transformer module, and the positive pole of the diode D4 is connected to described two
Pole pipe D3 positive pole；The negative pole of the diode D3 is connected to transformer module, and the positive pole of the diode D3 is connected to voltage stabilizing
Chip U2 pin 2；The negative pole end of the electric capacity C4 is connected to the diode D3 and voltage stabilizing chip the U2 junction of pin 2；
The positive terminal of the electric capacity C4 is connected with transformer module；One end of the electric capacity C5 be connected to the diode D3 with it is described steady
The chip U2 junction of pin 2 is pressed, the other end is connected with transformer module；The pin 3 of the voltage stabilizing chip U2 is grounded.
Preferably, the output module includes the output end+Vo being connected with positive power supply unit of voltage regulation and negative voltage-stabilized power supply
Output end-Vo that unit is connected, electric capacity C3, electric capacity C6；One end ground connection of the electric capacity C6, other end connection output end+Vo；
One end ground connection of the electric capacity C3, other end connection output end-Vo.
Compared with prior art, a kind of positive-negative power circuit arrangement of the utility model has the advantages that：
A kind of positive-negative power circuit arrangement of the utility model passes through positive power supply unit of voltage regulation and negative power supply unit of voltage regulation
Set, be i.e. voltage stabilizing chip U1 and voltage stabilizing chip U2 setting, reduce the setting of discrete component, improve the stabilization of positive-negative power
Property.
Brief description of the drawings
Fig. 1 shows a kind of electrical block diagram of positive-negative power circuit arrangement of the utility model embodiment.
Embodiment
Below, with reference to accompanying drawing and embodiment, the utility model is described further：
Referring to Fig. 1, the utility model embodiment provides a kind of positive-negative power circuit arrangement, it includes the change being sequentially connected with
Depressor module, Voltage stabilizing module and output module, wherein, the external civil power 220V voltages of transformer module.
Specifically, transformer module includes civil power incoming end and transformer, wherein, transformer includes winding A, winding
A1, winding A2, winding A connection civil power incoming ends, the outside civil power of civil power incoming end connection, winding A1 and winding A2 include upper respectively
Pin end, tap terminals and lower pin end.
Voltage stabilizing module includes negative supply voltage regulation unit and positive supply voltage regulation unit, wherein, negative supply voltage regulation unit and
Positive supply voltage regulation unit is adapted.
Negative supply voltage regulation unit includes voltage stabilizing chip U1, diode D1, diode D2, electric capacity C1, electric capacity C2, wherein, surely
It is CW7900 integrated-type voltage stabilizing chips to press chip U1, and it includes pin 1, pin 2 and pin 3；Diode D2 negative pole connection
In winding A1 lower pin end, diode D2 positive pole is connected to diode D1 positive pole；Diode D1 negative pole be connected to around
Group A1 upper pin end, diode D1 positive pole are connected to voltage stabilizing chip U1 pin 2；Electric capacity C1 negative pole end is connected to two poles
Pipe D1 and pressure chip the U1 junction of pin 2, electric capacity C1 positive terminal ground connection；Electric capacity C2 one end is connected to diode D1 and pressure
The chip U1 junction of pin 2, other end ground connection；Voltage stabilizing chip U1 pin 1 is grounded；Winding A1 tap terminals ground connection.
Positive supply voltage regulation unit includes voltage stabilizing chip U2, diode D3, diode D4, electric capacity C4, electric capacity C5, wherein, surely
It is CW7900 integrated-type voltage stabilizing chips to press chip U2, and it includes pin 1, pin 2 and pin 3；Diode D4 negative pole connection
In winding A2 lower pin end, diode D4 positive pole is connected to diode D3 positive pole；Diode D3 negative pole be connected to around
Group A2 upper pin end, diode D3 positive pole are connected to voltage stabilizing chip U2 pin 2, and electric capacity C4 negative pole end is connected to two poles
Pipe D3 and pressure chip the U2 junction of pin 2, electric capacity C4 positive terminal are connected with winding A2 tap terminals；Electric capacity C5 one end connects
Diode D3 is connected to pressing the chip U2 junction of pin 2, the other end is connected with winding A2 tap terminals；Voltage stabilizing chip U2 pipe
Pin 3 is grounded.
Output end+Vo that output module includes being connected with positive power supply unit of voltage regulation, it is connected with negative power supply unit of voltage regulation
Output end-Vo, electric capacity C3, electric capacity C6, wherein, electric capacity C6 one end ground connection, other end connection output end+Vo；Electric capacity C3's
One end is grounded, other end connection output end-Vo.
In some embodiments, electric capacity C1 and electric capacity C3 is 2200uf;Electric capacity C2, electric capacity C5 are 0.33 uf;Electric capacity
C3, electric capacity C6 are 0.1 uf.
In order to understand the utility model in detail, utility model works principle is described in detail below：
Civil power is become respectively by transformer module and is pressed onto negative supply Voltage stabilizing module and positive supply Voltage stabilizing module, then is passed through
Voltage stabilizing chip U1 and voltage stabilizing chip U2 effect output voltage-stabilized power supply.
Compared with prior art, a kind of positive-negative power circuit arrangement of the utility model has the advantages that：
A kind of positive-negative power circuit arrangement of the utility model is reduced by voltage stabilizing chip U1 and voltage stabilizing chip U2 setting
The setting of discrete component, improve the stability of positive-negative power.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
Corresponding change and deformation, and all these changes and deformation should all belong to the protection of the utility model claims
Within the scope of.
Claims (6)
1. a kind of positive and negative voltage-stabilized power supply circuit device, it is characterised in that the voltage-stabilized power supply circuit device includes what is be sequentially connected with
Transformer module, Voltage stabilizing module and output module, the Voltage stabilizing module include negative supply voltage regulation unit and positive supply voltage stabilizing
Unit, the negative supply voltage regulation unit, the positive supply voltage regulation unit connect transformer module and output module respectively.
2. positive and negative voltage-stabilized power supply circuit device as claimed in claim 1, it is characterised in that the negative supply voltage regulation unit includes
Voltage stabilizing chip U1, the voltage stabilizing chip U1 models CW7900 integrated-types.
3. positive and negative voltage-stabilized power supply circuit device as claimed in claim 2, it is characterised in that the voltage stabilizing chip include pin 1,
Pin 2 and pin 3, the negative supply voltage regulation unit include diode D1, diode D2, electric capacity C1, electric capacity C2；
The negative pole of the diode D2 is connected to transformer module, and the positive pole of the diode D2 is connected to the diode D1's
Positive pole；The negative pole of the diode D1 is connected to transformer module, and the positive pole of the diode D1 is connected to voltage stabilizing chip U1's
Pin 2, the negative pole end of the electric capacity C1 is connected to the diode D1 and the voltage stabilizing chip U1 junction of pin 2, described
Electric capacity C1 positive terminal ground connection；One end of the electric capacity C2 is connected to the diode D1 and the voltage stabilizing chip U1 pin 2
Junction, other end ground connection；The pin 1 of the voltage stabilizing chip U1 is grounded.
4. positive and negative voltage-stabilized power supply circuit device as claimed in claim 1, it is characterised in that the positive supply voltage regulation unit includes
Voltage stabilizing chip U2, the voltage stabilizing chip U2 models CW7900 integrated-types.
5. positive and negative voltage-stabilized power supply circuit device as claimed in claim 4, it is characterised in that the positive supply voltage regulation unit includes
Voltage stabilizing chip U2, diode D3, diode D4, electric capacity C4, electric capacity C5；
The negative pole of the diode D4 is connected to the transformer module, and the positive pole of the diode D4 is connected to the diode
D3 positive pole；The negative pole of the diode D3 is connected to transformer module, and the positive pole of the diode D3 is connected to voltage stabilizing chip
U2 pin 2；The negative pole end of the electric capacity C4 is connected to the diode D3 and voltage stabilizing chip the U2 junction of pin 2；It is described
Electric capacity C4 positive terminal is connected with transformer module；One end of the electric capacity C5 is connected to the diode D3 and the voltage stabilizing core
The piece U2 junction of pin 2, the other end are connected with transformer module；The pin 3 of the voltage stabilizing chip U2 is grounded.
6. positive and negative voltage-stabilized power supply circuit device as claimed in claim 1, it is characterised in that the output module include with it is just steady
Output end+Vo that piezoelectricity source unit is connected, output end-Vo, electric capacity C3, the electric capacity C6 being connected with negative power supply unit of voltage regulation；
One end ground connection of the electric capacity C6, other end connection output end+Vo；One end ground connection of the electric capacity C3, other end connection output
End-Vo.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720489182.2U CN206673848U (en) | 2017-05-04 | 2017-05-04 | A kind of positive-negative power circuit arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720489182.2U CN206673848U (en) | 2017-05-04 | 2017-05-04 | A kind of positive-negative power circuit arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206673848U true CN206673848U (en) | 2017-11-24 |
Family
ID=60370466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720489182.2U Expired - Fee Related CN206673848U (en) | 2017-05-04 | 2017-05-04 | A kind of positive-negative power circuit arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206673848U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827366A (en) * | 2018-09-12 | 2018-11-16 | 山东省计算中心（国家超级计算济南中心） | A kind of special detection device and detection method for Hall sensor quality |
| CN110768511A (en) * | 2019-10-25 | 2020-02-07 | 珠海格力智能装备有限公司 | Power supply and system |
| WO2023272922A1 (en) * | 2021-06-29 | 2023-01-05 | 中山大洋电机股份有限公司 | Power conversion circuit and motor controller |
-
2017
- 2017-05-04 CN CN201720489182.2U patent/CN206673848U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827366A (en) * | 2018-09-12 | 2018-11-16 | 山东省计算中心（国家超级计算济南中心） | A kind of special detection device and detection method for Hall sensor quality |
| CN110768511A (en) * | 2019-10-25 | 2020-02-07 | 珠海格力智能装备有限公司 | Power supply and system |
| WO2023272922A1 (en) * | 2021-06-29 | 2023-01-05 | 中山大洋电机股份有限公司 | Power conversion circuit and motor controller |
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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: 20171124 |