CN106160518A - Energy-saving electrical source supply device - Google Patents
Energy-saving electrical source supply device Download PDFInfo
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- CN106160518A CN106160518A CN201510196544.4A CN201510196544A CN106160518A CN 106160518 A CN106160518 A CN 106160518A CN 201510196544 A CN201510196544 A CN 201510196544A CN 106160518 A CN106160518 A CN 106160518A
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Abstract
A kind of energy-saving electrical source supply device, comprises a bridge rectifier, a bypass diode circuit and a control circuit；This bypass diode circuit is electrically connected to this bridge rectifier；This control circuit is electrically connected to this bypass diode circuit and this bridge rectifier.This bridge rectifier comprises multiple diode；After this control circuit receives a power supply starting signal, this control circuit controls this bypass diode circuit so that a part for those diodes is bypassed with energy-conservation.
Description
Technical field
The present invention relates to a kind of power supply device, particularly to a kind of energy-saving electrical source supply device.
Background technology
Power supply device is the most common a kind of electronic installation；Power supply device is provided for power supply
Give load device, use driving load device；Therefore, power supply device is the most important.Generally, electricity
Source supply device is to connect alternating current power supply feeding mechanism to receive alternating current power supply.
When alternating current power supply feeding mechanism or load device just start, easily produce burst current (inrush
Current, or the electric current that claims to surge)；Therefore, power supply device generally comprises negative tempperature coefficient thermistor
(negative temperature coefficient thermistor) is to suppress burst current.When alternating current power supply supplies
When answering device or load device just to start, the temperature of negative tempperature coefficient thermistor is low, and therefore impedance is very big,
The generation of burst current can be suppressed.The diode of the bridge rectifier of power supply device is to limit electricity
The flow direction of stream, therefore the diode of the bridge rectifier of power supply device is in the problem of suppression burst current
Also play an important role.
When the anxiety of non-surge electric current generation, the diode of the bridge rectifier of power supply device is (the most negative
Temperature coefficient thermistor) the substantial amounts of energy can be consumed, this problem needs to be solved with energy-conservation.
Summary of the invention
For improving the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of energy-saving power supply supply
Device.
For reaching the above-mentioned purpose of the present invention, the energy-saving electrical source supply device of the present invention comprises: a bridge-type is whole
Stream device；One bypass diode circuit, is electrically connected to this bridge rectifier；And a control circuit, electrically connect
It is connected to this bypass diode circuit and this bridge rectifier.Multiple two poles that wherein this bridge rectifier comprises
Pipe.Wherein after this control circuit receives a power supply starting signal, this control circuit controls by this diode
Road circuit a so that part for those diodes is bypassed with energy-conservation.
Furthermore, energy-saving electrical source supply device as above, further include: a negative tempperature coefficient thermistor,
It is electrically connected to this bypass diode circuit and this bridge rectifier.
Furthermore, energy-saving electrical source supply device as above, further include: circulate direct current transducer always,
It is electrically connected to this bridge rectifier and this control circuit.
Furthermore, energy-saving electrical source supply device as above, further include: a filter capacitor, be electrically connected with
To this bridge rectifier and this DC-DC transducer.
Furthermore, energy-saving electrical source supply device as above, wherein this bridge rectifier comprises: one first
Diode, is electrically connected to this bypass diode circuit and this control circuit.
Furthermore, energy-saving electrical source supply device as above, wherein this bridge rectifier further includes: one
Two diodes, are electrically connected to this bypass diode circuit, this control circuit and this first diode.
Furthermore, energy-saving electrical source supply device as above, wherein this bridge rectifier further includes: one
Three diodes, are electrically connected to this bypass diode circuit and this first diode.
Furthermore, energy-saving electrical source supply device as above, wherein this bridge rectifier further includes: one
Four diodes, are electrically connected to this bypass diode circuit, this second diode and the 3rd diode.
Furthermore, energy-saving electrical source supply device as above, wherein this bypass diode circuit comprises: one
First switch, is electrically connected to this bridge rectifier and this control circuit.
Furthermore, energy-saving electrical source supply device as above, wherein this bypass diode circuit further includes:
One second switch, is electrically connected to this bridge rectifier, this control circuit and this first switch.
Effect of the present invention is, (the most without prominent after this control circuit receives this power supply starting signal
The anxiety of ripple electric current generation), this control circuit controls this bypass diode circuit so that this bridge rectifier
A part for those diodes is bypassed with energy-conservation.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as to the present invention's
Limit.
Accompanying drawing explanation
Fig. 1 is the first embodiment block diagram of the energy-saving electrical source supply device of the present invention；
Fig. 2 is the second embodiment block diagram of the energy-saving electrical source supply device of the present invention.
Wherein, reference
Energy-saving electrical source supply device 10
Alternating current power supply feeding mechanism 20
Load device 30
Bridge rectifier 102
Bypass diode circuit 104
Control circuit 106
Negative tempperature coefficient thermistor 108
DC-DC transducer 110
Filter capacitor 112
Switch element 114
Switch control unit 116
Switch subelement 118
First resistance 120
Second resistance 122
3rd resistance 124
Power supply 202
First diode D1
Second diode D2
3rd diode D3
4th diode D4
First switch S1
Second switch S2
Detailed description of the invention
Detailed description for the present invention and technology contents, refer to further detail below and accompanying drawing illustrates such as
Under, and accompanying drawing is with detailed description as illustrative purposes only, is not intended to limit the present invention.
Refer to Fig. 1, it is the first embodiment block diagram of energy-saving electrical source supply device of the present invention.One
Energy-saving electrical source supply device 10 is to be applied to alternating current power supply feeding mechanism 20 and a load device 30.
This energy-saving electrical source supply device 10 comprises bridge rectifier 102, bypass diode circuit 104,
Control circuit 106, one negative tempperature coefficient thermistor 108, always circulation direct current transducer 110 and a filter
Ripple electric capacity 112.This bridge rectifier 102 comprises multiple diode；That is, this bridge rectifier 102 wraps
Containing one first diode D1, one second diode D2, one the 3rd diode D3 and one the 4th diode
D4.This bypass diode circuit 104 comprises an one first switch S1 and second switch S2.
This bypass diode circuit 104 is electrically connected to this bridge rectifier 102；This control circuit 106 electricity
Property is connected to this bypass diode circuit 104 and this bridge rectifier 102；This negative tempperature coefficient thermistor
108 are electrically connected to this bypass diode circuit 104 and this bridge rectifier 102；This DC-DC turns
Parallel operation 110 is electrically connected to this bridge rectifier 102 and this control circuit 106；This filter capacitor 112 electricity
Property is connected to this bridge rectifier 102 and this DC-DC transducer 110.
This first diode D1 is electrically connected to this bypass diode circuit 104 and this control circuit 106；
This second diode D2 be electrically connected to this bypass diode circuit 104, this control circuit 106 and this
One diode D1；3rd diode D3 be electrically connected to this bypass diode circuit 104 and this first
Diode D1；4th diode D4 is electrically connected to this bypass diode circuit the 104, the 2nd 2 pole
Pipe D2 and the 3rd diode D3.This first switch S1 is electrically connected to this bridge rectifier 102 and is somebody's turn to do
Control circuit 106；This second switch S2 is electrically connected to this bridge rectifier 102, this control circuit 106
And this first switch S1.
After this control circuit 106 receives a power supply starting signal, (non-surge electric current the most produces it
Anxiety), this control circuit 106 controls this bypass diode circuit 104 so that those diodes (i.e. this
One diode D1, this second diode D2, the 3rd diode D3 and the 4th diode D4)
A part (such as this second diode D2 or the 4th diode D4) is bypassed with energy-conservation, hereby describes in detail
As rear.Wherein, this power supply starting signal is to represent this DC-DC transducer 110 to be operated (i.e.
The anxiety of non-surge electric current generation the most).
(surging is the most easily produced when this alternating current power supply feeding mechanism 20 or this load device 30 just start
Electric current), this first switch S1 and this second switch S2 is for being not turned on so that this alternating current power supply supply fills
Putting 20 power supplys 202 provided is to flow through this negative tempperature coefficient thermistor 108 to suppress burst current.
Because now the temperature of this negative tempperature coefficient thermistor 108 is low, therefore impedance is very big, can suppress surging
The generation of electric current.
Now the positive half cycle path of this power supply 202 is: this first diode D1, this DC-DC are changed
Device 110, this load device 30, this negative tempperature coefficient thermistor the 108, the 4th diode D4 and should
Alternating current power supply feeding mechanism 20.The negative half period path of this power supply 202 is: the 3rd diode D3, this is straight
Circulation direct current transducer 110, this load device 30, this negative tempperature coefficient thermistor the 108, the 2nd 2
Pole pipe D2 and this alternating current power supply feeding mechanism 20.
This power supply starting signal may be from a pulse wave width modulation of this DC-DC transducer 110 and controls
Device (Fig. 1 does not shows) or this alternating current power supply feeding mechanism 20；Receive this power supply in this control circuit 106 to open
After dynamic signal (anxiety of non-surge electric current generation the most):
This control circuit 106 the positive half cycle of this power supply 202 turn on this second switch S2 and be not turned on this
One switch S1, now path is: this first diode D1, this DC-DC transducer 110, this bear
Carry and put 30, this second switch S2 and this alternating current power supply feeding mechanism 20, therefore save this negative temperature system
Number critesistor 108 and the energy expenditure of the 4th diode D4.
This control circuit 106 the negative half period of this power supply 202 turn on this first switch S1 and be not turned on this
Two switch S2, now path is: the 3rd diode D3, this DC-DC transducer 110, this bear
Carry and put 30, this first switch S1 and this alternating current power supply feeding mechanism 20, therefore save this negative temperature system
Number critesistor 108 and the energy expenditure of this second diode D2.
Furthermore, in order to avoid the misoperation of zero point switching, above-mentioned receive this power supply in this control circuit 106 and open
Flow process after dynamic signal may be modified such that:
This control circuit 106 is at positive half cycle this first switch not yet on S1 of this power supply 202；This control
Circuit 106 processed is more than a predeterminated voltage at the positive half cycle of this power supply 202 and the absolute value of voltage of this power supply 202
This second switch S2 is just turned on during value (such as 5 volts or 10 volts).This control circuit 106 is at this electricity
Negative half period this second switch not yet on S2 in source 202；This control circuit 106 is at this power supply 202
This first switch S1 is just turned on when the absolute value of voltage of negative half period and this power supply 202 is more than this preset voltage value.
So, the misoperation that zero point switches can be avoided.
But, it is not more than this at the positive half cycle of this power supply 202 and the absolute value of voltage of this power supply 202 and presets electricity
During pressure value, and it is default to be not more than this at the negative half period of this power supply 202 and the absolute value of voltage of this power supply 202
During magnitude of voltage, this control circuit 106 is to be not turned on this first switch S1 and this second switch S2；Now should
The positive half cycle path of power supply 202 is: this first diode D1, this DC-DC transducer 110, should
Load device 30, this negative tempperature coefficient thermistor the 108, the 4th diode D4 and this alternating current power supply supply
Answer device 20；The negative half period path of this power supply 202 is: the 3rd diode D3, this DC-DC turn
Parallel operation 110, this load device 30, this negative tempperature coefficient thermistor 108, this second diode D2 and
This alternating current power supply feeding mechanism 20.Compared to without this preset voltage value, waste this negative temperature coefficient heat-sensitive
Resistance the 108, the 4th diode D4 and the energy expenditure of this second diode D2.4th diode
The energy expenditure of D4 and this second diode D2 cannot be avoided, but this negative tempperature coefficient thermistor 108
Energy expenditure can avoid by following embodiment.
Refer to Fig. 2, it is the second embodiment block diagram of energy-saving electrical source supply device of the present invention；Figure
Element shown in 2 describes person similar to Fig. 1, for succinct factor, repeats no more in this.This energy-saving power supply
Feeding mechanism 10 further includes switch element 114 and a switch control unit 116.This switch control unit
116 comprise switch subelement 118,1 first resistance 120,1 second resistance 122 and one the 3rd resistance
124。
This switch element 114 can be such as but the present invention is not limited to a transistor switch, such as one gold medal oxygen half
Field-effect transistor or bipolar junction transistor, its power consumption is much smaller than this negative tempperature coefficient thermistor
The power consumption of 108；This switch subelement 118 can be such as but the present invention is not limited to a transistor switch, example
Such as a metal-oxide half field effect transistor or bipolar junction transistor, its power consumption is much smaller than this negative temperature coefficient heat
The power consumption of quick resistance 108.
This switch element 114 is electrically connected to this negative tempperature coefficient thermistor 108；This switch control unit
116 are electrically connected to this switch element 114 and this control circuit 106；This switch subelement 118 electrically connects
It is connected to this switch element 114 and this control circuit 106；This first resistance 120 is electrically connected to this switch
Unit 118 and this control circuit 106；This second resistance 122 be electrically connected to this switch subelement 118 and
This first resistance 120；3rd resistance 124 is electrically connected to this switch subelement 118 and this switch element
114。
(surging is the most easily produced when this alternating current power supply feeding mechanism 20 or this load device 30 just start
Electric current), this first switch S1, this second switch S2 and this switch element 114 are for being not turned on so that
This power supply 202 that this alternating current power supply feeding mechanism 20 is provided is to flow through this negative tempperature coefficient thermistor
108 to suppress burst current.Because now the temperature of this negative tempperature coefficient thermistor 108 is low, therefore hinder
Anti-very big, the generation of burst current can be suppressed.
After this control circuit 106 receives this power supply starting signal, (non-surge electric current the most produces it
Anxiety):
This control circuit 106 is not turned on this first switch S1 at the positive half cycle of this power supply 202；This control electricity
Road 106 is when the positive half cycle of this power supply 202 and the absolute value of voltage of this power supply 202 are more than this preset voltage value
Turn on this second switch S2.This control circuit 106 is not turned on this at the negative half period of this power supply 202 and second opens
Close S2；This control circuit 106 is big at the negative half period of this power supply 202 and the absolute value of voltage of this power supply 202
This first switch S1 is turned on when this preset voltage value.So, the misoperation that zero point switches can be avoided.
It is not more than this preset voltage value at the positive half cycle of this power supply 202 and the absolute value of voltage of this power supply 202
Time, this control circuit 106 is to be not turned on this second switch S2 but this control circuit 106 is to control this switch
Control unit 116 is to turn on this switch element 114；The impedance of this switch element 114 is much smaller than (or being less than)
The impedance of this negative tempperature coefficient thermistor 108, therefore this negative tempperature coefficient thermistor 108 be bypassed and
Turn on hardly so that path now is: this first diode D1, this DC-DC transducer 110,
This load device 30, this switch element the 114, the 4th diode D4 and this alternating current power supply feeding mechanism 20.
Therefore compared to without this switch element 114 and this switch control unit 116, this negative temperature coefficient heat is saved
The energy expenditure of quick resistance 108.
It is not more than this preset voltage value at the negative half period of this power supply 202 and the absolute value of voltage of this power supply 202
Time, this control circuit 106 is to be not turned on this first switch S1 but this control circuit 106 is to control this switch
Control unit 116 is to turn on this switch element 114；The impedance of this switch element 114 is much smaller than (or being less than)
The impedance of this negative tempperature coefficient thermistor 108, therefore this negative tempperature coefficient thermistor 108 be bypassed and
Turn on hardly so that path now is: the 3rd diode D3, this DC-DC transducer 110,
This load device 30, this switch element 114, this second diode D2 and this alternating current power supply feeding mechanism 20.
Therefore compared to without this switch element 114 and this switch control unit 116, this negative temperature coefficient heat is saved
The energy expenditure of quick resistance 108.
The primary efficacy of the present invention is, (this after this control circuit 106 receives this power supply starting signal
Time non-surge electric current generation anxiety), this control circuit 106 controls this bypass diode circuit 104, makes
A part for those diodes obtaining this bridge rectifier 102 is bypassed with energy-conservation；Now this negative temperature coefficient
Critesistor 108 is also bypassed with energy-conservation.Furthermore, even if setting in order to avoid the misoperation of zero point switching
This preset voltage value, the present invention still can be not more than this preset voltage value at the absolute value of voltage of this power supply 202
Time bypass this negative tempperature coefficient thermistor 108 with energy-conservation.
Certainly, the present invention also can have other various embodiments, without departing substantially from present invention spirit and the feelings of essence thereof
Under condition, those of ordinary skill in the art work as can make various corresponding change and deformation according to the present invention, but
These change accordingly and deform the protection domain that all should belong to appended claims of the invention.
Claims (10)
1. an energy-saving electrical source supply device, it is characterised in that comprise:
One bridge rectifier；
One bypass diode circuit, is electrically connected to this bridge rectifier；And
One control circuit, is electrically connected to this bypass diode circuit and this bridge rectifier,
Wherein this bridge rectifier comprises multiple diode；
Wherein after this control circuit receives a power supply starting signal, this control circuit controls by this diode
Road circuit a so that part for those diodes is bypassed with energy-conservation.
Energy-saving electrical source supply device the most according to claim 1, it is characterised in that further include:
One negative tempperature coefficient thermistor, is electrically connected to this bypass diode circuit and this bridge rectifier.
Energy-saving electrical source supply device the most according to claim 2, it is characterised in that further include:
Circulate direct current transducer always, is electrically connected to this bridge rectifier and this control circuit.
Energy-saving electrical source supply device the most according to claim 3, it is characterised in that further include:
One filter capacitor, is electrically connected to this bridge rectifier and this DC-DC transducer.
Energy-saving electrical source supply device the most according to claim 1, it is characterised in that this bridge-type is whole
Stream device comprises:
One first diode, is electrically connected to this bypass diode circuit and this control circuit.
Energy-saving electrical source supply device the most according to claim 5, it is characterised in that this bridge-type is whole
Stream device further includes:
One second diode, is electrically connected to this bypass diode circuit, this control circuit and the one or two pole
Pipe.
Energy-saving electrical source supply device the most according to claim 6, it is characterised in that this bridge-type is whole
Stream device further includes:
One the 3rd diode, is electrically connected to this bypass diode circuit and this first diode.
Energy-saving electrical source supply device the most according to claim 7, it is characterised in that this bridge-type is whole
Stream device further includes:
One the 4th diode, is electrically connected to this bypass diode circuit, this second diode and the three or two
Pole is managed.
Energy-saving electrical source supply device the most according to claim 1, it is characterised in that this diode
Bypass circuit comprises:
One first switch, is electrically connected to this bridge rectifier and this control circuit.
Energy-saving electrical source supply device the most according to claim 9, it is characterised in that this diode
Bypass circuit further includes:
One second switch, is electrically connected to this bridge rectifier, this control circuit and this first switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196544.4A CN106160518A (en) | 2015-04-23 | 2015-04-23 | Energy-saving electrical source supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196544.4A CN106160518A (en) | 2015-04-23 | 2015-04-23 | Energy-saving electrical source supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106160518A true CN106160518A (en) | 2016-11-23 |
Family
ID=57346976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510196544.4A Pending CN106160518A (en) | 2015-04-23 | 2015-04-23 | Energy-saving electrical source supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106160518A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070170903A1 (en) * | 2006-01-26 | 2007-07-26 | Silicon Laboratories, Inc. | Active diode bridge system |
| CN100585997C (en) * | 2004-04-13 | 2010-01-27 | 康默吉技术有限公司 | AC/DC converter comprising plural converters in cascade |
| CN104218824A (en) * | 2013-05-29 | 2014-12-17 | 群光电能科技股份有限公司 | Bypass device of negative temperature coefficient thermistor |
-
2015
- 2015-04-23 CN CN201510196544.4A patent/CN106160518A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100585997C (en) * | 2004-04-13 | 2010-01-27 | 康默吉技术有限公司 | AC/DC converter comprising plural converters in cascade |
| US20070170903A1 (en) * | 2006-01-26 | 2007-07-26 | Silicon Laboratories, Inc. | Active diode bridge system |
| CN104218824A (en) * | 2013-05-29 | 2014-12-17 | 群光电能科技股份有限公司 | Bypass device of negative temperature coefficient thermistor |
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Application publication date: 20161123 |