CN108199585A - A kind of driving power circuit - Google Patents
A kind of driving power circuit Download PDFInfo
- Publication number
- CN108199585A CN108199585A CN201810036529.7A CN201810036529A CN108199585A CN 108199585 A CN108199585 A CN 108199585A CN 201810036529 A CN201810036529 A CN 201810036529A CN 108199585 A CN108199585 A CN 108199585A
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- Prior art keywords
- capacitance
- diode
- triode
- transformer
- driving power
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- 230000035939 shock Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims 1
- 230000006641 stabilisation Effects 0.000 abstract description 9
- 238000011105 stabilization Methods 0.000 abstract description 9
- 230000004913 activation Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 206010044565 Tremor Diseases 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Power Conversion In General (AREA)
Abstract
The present invention relates to power circuit technical fields, disclose a kind of driving power circuit, including：Input circuit and regulator circuit, the input circuit is connect with external power supply, and pass through transformer and power supply is adjusted, the secondary of transformer is output to regulator circuit, by regulator circuit linear voltage stabilization, stable voltage is exported, linear voltage stabilization is carried out to the positive pressure of power supply by positive activation type transformer, the stability and reliability of driving power are improved, and cost is relatively low.
Description
Technical field
The present invention relates to power circuit technical field more particularly to a kind of driving power circuits.
Background technology
At present, IGBT on the market（Insulated Gate Bipolar Transistor, insulated gate bipolar crystal
Pipe）Driving power is mostly powered using multichannel inverse-excitation type switch power-supply, and output voltage has fluctuation, unstable, so can generally increase
Regulator circuit, and regulator circuit uses the voltage regulation way of zener diode, only steady negative pressure, because zener diode breakdown current compared with
Small, spread of voltage, when voltage fluctuation, shows as positive pressure fluctuation.Many occasion IGBT caused by driving voltage shakiness are damaged, into
And cause machine aircraft bombing.
Invention content
It is a primary object of the present invention to propose a kind of driving power circuit, by positive activation type transformer to the positive pressure of power supply
Linear voltage stabilization is carried out, improves the stability and reliability of driving power, and cost is relatively low.
To achieve the above object, a kind of driving power circuit provided by the invention, including：Input circuit and regulator circuit,
The input circuit is connect with external power supply, and passes through transformer and power supply is adjusted, and the secondary of transformer is output to voltage stabilizing
Circuit by regulator circuit linear voltage stabilization, exports stable voltage.
Optionally, the input circuit includes：Capacitance C30, diode D17 and transformer T2, wherein, the one of capacitance C30
End is grounded together with the anode of diode D17, and the primary side pin 1 of transformer T2 connects the cathode of diode D17, transformer T2's
Primary side pin 3 is connected to external power supply+15BT together with the other end of capacitance C30, and the primary side pin 5 of transformer T2 connects TF
End.
Optionally, the parameter of the capacitance C30 is：4.7uF/25V/1206/X7R/10%.
Optionally, the transformer T2 be normal shock transformer, the former secondary proof voltage 5KV of the transformer T2.
Optionally, the regulator circuit includes：Diode D15, diode D19, diode ZD3, diode ZD3, resistance
R59, resistance R61, triode Q11, triode Q13, triode Q15, triode Q17, capacitance EC2, capacitance EC4, capacitance EC6,
Capacitance EC7, capacitance C47, capacitance C49, capacitance C51 and capacitance C53, wherein, the anode of diode D15 and the secondary of transformer T2
Pin 10 connects, the cathode of diode D15 and the cathode of diode ZD3, the collector of triode Q13, capacitance EC4 one end and
One end of capacitance C49 is connected together as voltage output end 15V-C, the other end of diode ZD3 and one end of resistance R59,
The base stage of triode Q13 and the base stage of triode Q11 link together, the emitter of triode Q13 and the transmitting of triode Q11
Pole, the other end of capacitance EC4, one end of capacitance EC2, the other end of capacitance C49 and capacitance C47 one end link together, electricity
Hinder the other end of R59 and the secondary pin 9 of transformer T2, the collector of triode Q11, the other end of capacitance EC2 and capacitance C47
The other end be connected together as voltage output end -10V-C；The anode of diode D19 and the secondary pin 7 of transformer T2 connect
It connects, cathode and the cathode of diode ZD5, the collector of triode Q17, one end of capacitance EC7 and the capacitance C53 of diode D19
One end be connected together as voltage output end 15V-D, the other end of diode ZD5 and one end of resistance R61, triode
The base stage of Q17 and the base stage of triode Q15 link together, the emitter of triode Q17 and emitter, the electricity of triode Q15
The one end for holding the other end of EC7, one end of capacitance EC6, the other end of capacitance C53 and capacitance C51 links together, resistance R61
The other end and the secondary pin 6 of transformer T2, the collector of triode Q15, the other end of capacitance EC6 and capacitance C51 it is another
One end is connected together as voltage output end -10V-D.
Optionally, also as test lead+2, the capacitance C49 makees the cathode of the diode D15 with capacitance C47 junctions
For test lead 2, the other end of the capacitance C47 is also used as test lead -2.
Optionally, also as test lead+4, the capacitance C53 makees the cathode of the diode D19 with capacitance C51 junctions
For test lead 4, the other end of the capacitance C51 is also used as test lead -4.
A kind of driving power circuit proposed by the present invention, including：Input circuit and regulator circuit, the input circuit with it is outer
Portion's power supply connection, and pass through transformer and power supply is adjusted, the secondary of transformer is output to regulator circuit, passes through regulator circuit
Linear voltage stabilization exports stable voltage, carries out linear voltage stabilization to the positive pressure of power supply by positive activation type transformer, improves driving electricity
The stability and reliability in source, and cost is relatively low.
Description of the drawings
Fig. 1 is a kind of functional schematic of driving power circuit provided in an embodiment of the present invention；
Fig. 2 is a kind of circuit diagram of driving power circuit provided in an embodiment of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in Figure 1, in the present embodiment, a kind of driving power circuit, including：Input circuit and regulator circuit, it is described
Input circuit is connect with external power supply, and passes through transformer and power supply is adjusted, and the secondary of transformer is output to regulator circuit,
By regulator circuit linear voltage stabilization, stable voltage is exported.
In the present embodiment, linear voltage stabilization is carried out to the positive pressure of power supply by positive activation type transformer, improves driving power
Stability and reliability, and cost is relatively low.
As shown in Fig. 2, in the present embodiment, the input circuit includes：Capacitance C30, diode D17 and transformer T2,
Wherein, one end of capacitance C30 is grounded together with the anode of diode D17, and the primary side pin 1 of transformer T2 connects diode D17
Cathode, the primary side pin 3 of transformer T2 is connected to external power supply+15BT together with the other end of capacitance C30, transformer T2's
Primary side pin 5 connects TF ends.
In the present embodiment, the external power supply is powered using 15V non-isolated power supplies.
In the present embodiment, the parameter of the capacitance C30 is：4.7uF/25V/1206/X7R/10%.
In the present embodiment, the transformer T2 be normal shock transformer, the former secondary proof voltage 5KV of the transformer T2.
In the present embodiment, the regulator circuit includes：Diode D15, diode D19, diode ZD3, diode
ZD3, resistance R59, resistance R61, triode Q11, triode Q13, triode Q15, triode Q17, capacitance EC2, capacitance EC4,
Capacitance EC6, capacitance EC7, capacitance C47, capacitance C49, capacitance C51 and capacitance C53, wherein, the anode and transformer of diode D15
The secondary pin 10 of T2 connects, cathode and the cathode of diode ZD3, the collector of triode Q13, the capacitance EC4 of diode D15
One end and one end of capacitance C49 be connected together as voltage output end 15V-C, the other end and the resistance R59 of diode ZD3
One end, the base stage of triode Q13 and the base stage of triode Q11 link together, the emitter and triode of triode Q13
One end connection of the emitter of Q11, the other end of capacitance EC4, one end of capacitance EC2, the other end of capacitance C49 and capacitance C47
Together, the other end of the other end of resistance R59 and the secondary pin 9 of transformer T2, the collector of triode Q11, capacitance EC2
And the other end of capacitance C47 is connected together as voltage output end -10V-C；The anode of diode D19 and the pair of transformer T2
Side pin 7 connects, the cathode of diode D19 and the cathode of diode ZD5, the collector of triode Q17, capacitance EC7 one end
And one end of capacitance C53 is connected together as voltage output end 15V-D, the other end of diode ZD5 and the one of resistance R61
The base stage at end, the base stage of triode Q17 and triode Q15 links together, and the emitter of triode Q17 is with triode Q15's
Emitter, the other end of capacitance EC7, one end of capacitance EC6, the other end of capacitance C53 and capacitance C51 one end be connected to one
Rise, the other end of resistance R61 and the secondary pin 6 of transformer T2, the collector of triode Q15, capacitance EC6 the other end and electricity
The other end for holding C51 is connected together as voltage output end -10V-D.
In the present embodiment, the parameter of the resistance R59 and resistance R61 is all 10K/0805 ± 1%.
In the present embodiment, the transformer secondary output voltage 28V passes through triode Q11, Q13 linear voltage stabilizations, output
Voltage is adjusted to+15V and -10V；In driving power, stability generally more demanding to positive voltage, and to negative electricity pressure request not
Height present embodiment ensure that the stability of+15V voltages, generally improves the stability of driving power.
In the present embodiment, triode Q11, Q13 belongs to switching transistor, and the pressure drop of triode in itself is relatively low, therefore makes
The efficiency for obtaining driving power is higher.
In the present embodiment, also as test lead+2, the capacitance C49 and capacitance C47 connects the cathode of the diode D15
Place is met as test lead 2, the other end of the capacitance C47 is also used as test lead -2.
In the present embodiment, also as test lead+4, the capacitance C53 and capacitance C51 connects the cathode of the diode D19
Place is met as test lead 4, the other end of the capacitance C51 is also used as test lead -4.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements not only include those elements, and
And it further includes other elements that are not explicitly listed or further includes intrinsic for this process, method, article or device institute
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
Also there are other identical elements in the process of element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (7)
1. a kind of driving power circuit, which is characterized in that including：Input circuit and regulator circuit, the input circuit and outside
Power supply connects, and passes through transformer and power supply is adjusted, and the secondary of transformer is output to regulator circuit, passes through regulator circuit line
Property voltage stabilizing, exports stable voltage.
2. a kind of driving power circuit according to claim 1, which is characterized in that the input circuit includes：Capacitance
C30, diode D17 and transformer T2, wherein, one end of capacitance C30 is grounded together with the anode of diode D17, transformer T2
Primary side pin 1 connect the cathode of diode D17, the primary side pin 3 of transformer T2 is connected to together with the other end of capacitance C30
The primary side pin 5 of external power supply+15BT, transformer T2 connect TF ends.
3. a kind of driving power circuit according to claim 2, which is characterized in that the parameter of the capacitance C30 is：
4.7uF/25V/1206/X7R/10%。
4. a kind of driving power circuit according to claim 2, which is characterized in that the transformer T2 is normal shock transformation
Device, the former secondary proof voltage 5KV of the transformer T2.
5. a kind of driving power circuit according to claim 2, which is characterized in that the regulator circuit includes：Diode
D15, diode D19, diode ZD3, diode ZD3, resistance R59, resistance R61, triode Q11, triode Q13, triode
Q15, triode Q17, capacitance EC2, capacitance EC4, capacitance EC6, capacitance EC7, capacitance C47, capacitance C49, capacitance C51 and capacitance
C53, wherein, the anode of diode D15 is connect with the secondary pin 10 of transformer T2, cathode and the diode ZD3 of diode D15
Cathode, the collector of triode Q13, one end of capacitance EC4 and capacitance C49 one end be connected together as voltage output end
The other end of 15V-C, diode ZD3 and the base stage of one end of resistance R59, the base stage of triode Q13 and triode Q11 are connected to
Together, the emitter of triode Q13 and the emitter of triode Q11, the other end of capacitance EC4, one end of capacitance EC2, capacitance
The other end of C49 and one end of capacitance C47 link together, the other end of resistance R59 and the secondary pin 9, three of transformer T2
The other end of the collector of pole pipe Q11, the other end of capacitance EC2 and capacitance C47 is connected together as voltage output end -10V-
C；The anode of diode D19 is connect with the secondary pin 7 of transformer T2, the cathode of diode D19 and the cathode of diode ZD5,
One end of the collector of triode Q17, one end of capacitance EC7 and capacitance C53 is connected together as voltage output end 15V-D,
The other end of diode ZD5 and the base stage of one end of resistance R61, the base stage of triode Q17 and triode Q15 link together,
The emitter of triode Q17 and the emitter of triode Q15, the other end of capacitance EC7, one end of capacitance EC6, capacitance C53
One end of the other end and capacitance C51 link together, the other end of resistance R61 and secondary pin 6, the triode of transformer T2
The other end of the collector of Q15, the other end of capacitance EC6 and capacitance C51 is connected together as voltage output end -10V-D.
6. a kind of driving power circuit according to claim 5, which is characterized in that the cathode of the diode D15 is also made
For test lead+2, the capacitance C49 is with capacitance C47 junctions as test lead 2, and the other end of the capacitance C47 is also as survey
Try end -2.
7. a kind of driving power circuit according to claim 5, which is characterized in that the cathode of the diode D19 is also made
For test lead+4, the capacitance C53 is with capacitance C51 junctions as test lead 4, and the other end of the capacitance C51 is also as survey
Try end -4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810036529.7A CN108199585B (en) | 2018-01-15 | 2018-01-15 | Driving power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810036529.7A CN108199585B (en) | 2018-01-15 | 2018-01-15 | Driving power supply circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108199585A true CN108199585A (en) | 2018-06-22 |
| CN108199585B CN108199585B (en) | 2024-06-04 |
Family
ID=62589462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810036529.7A Active CN108199585B (en) | 2018-01-15 | 2018-01-15 | Driving power supply circuit |
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| JP2002252978A (en) * | 2001-02-26 | 2002-09-06 | Tdk Corp | Switching power unit |
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| CN104348372A (en) * | 2013-09-29 | 2015-02-11 | 深圳市伟创电气有限公司 | Auxiliary power supply circuit for forward switch power supply |
| CN105792451A (en) * | 2016-05-25 | 2016-07-20 | 成都白描网络科技有限公司 | Constant-voltage drive power supply for white LED on basis of photocoupling feedback circuit |
| CN106061005A (en) * | 2016-05-25 | 2016-10-26 | 成都白描网络科技有限公司 | Triode hybrid oscillation circuit-based constant-voltage driving power source for white light LED |
| CN106253705A (en) * | 2016-08-02 | 2016-12-21 | 成都零智慧科技有限公司 | The frequency stabilization formula multiple-channel output linear stabilized power supply of circuit is eliminated based on ripple voltage |
| CN208015592U (en) * | 2018-01-15 | 2018-10-26 | 深圳市三行技术有限公司 | A kind of driving power circuit |
-
2018
- 2018-01-15 CN CN201810036529.7A patent/CN108199585B/en active Active
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| CN108199585B (en) | 2024-06-04 |
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