CN106787850A - Automatic transfer switching electric appliance controller power source special - Google Patents
Automatic transfer switching electric appliance controller power source special Download PDFInfo
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- CN106787850A CN106787850A CN201611246250.9A CN201611246250A CN106787850A CN 106787850 A CN106787850 A CN 106787850A CN 201611246250 A CN201611246250 A CN 201611246250A CN 106787850 A CN106787850 A CN 106787850A
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- power
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Classifications
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- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
- H02M1/096—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices the power supply of the control circuit being connected in parallel to the main switching element
-
- 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
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0083—Converters characterised by their input or output configuration
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a kind of automatic transfer switching electric appliance controller power source special, including：Rectification filtering module, power conversion block, leakage inductance absorption module and control module；Rectification filtering module has two, and to be changed with the automatic change-over respectively two power supply POWER1 and POWER2 are connected, and high-voltage ac power is converted into the DC voltage of pulsation, then access leakage inductance absorption module, power conversion modules and control module and power；Leakage inductance absorption module is used for two voltage conversions of power supply into the voltage for being available for controller to use for protecting the component N-type MOSFET in power conversion modules, power conversion modules；Control module is used to realize to be input into while two power supplys, single output, and controlled output voltage maintains required voltage.The automatic transfer switching electric appliance controller power source special has two input interfaces, simultaneously can be connected on its input interface the different power supply of two-way simultaneously, produces all the way or multiple-channel output.
Description
Technical field
The invention belongs to automatic transfer switching electric appliance technical field, more particularly to a kind of automatic transfer switching electric appliance control
Device power source special.
Background technology
With the development of modern social economy, people for distribution Power System Reliability requirement more and more higher, so as to matching somebody with somebody
The requirement of electric electric elements is also being improved.Because automatic change-over is often as one-level or the power supply of superfine load
End, so the requirement to him is also comparing high.
Traditional automatic transfer switching electric appliance controller power source is often by two Industrial Frequency Transformers or two switch electricity
Source constitutes.There is no any contact between two power supplys.Belong to and simply connect two single input power supplys side by side.
The content of the invention
It is this special it is an object of the invention to provide a kind of new-type automatic transfer switching electric appliance controller power source special
Power supply have two input interfaces, can simultaneously by the different power supply of two-way simultaneously be connected on its input interface, produce all the way or
Person's multiple-channel output.
In order to achieve the above object, the present invention provides a kind of automatic transfer switching electric appliance controller power source special and includes：It is whole
Stream filtration module, power conversion block, leakage inductance absorption module, control module；
The rectification filtering module has two, to be changed with the automatic change-over respectively two power supply POWER1 and
POWER2 is connected, and high-voltage ac power is converted into the DC voltage of pulsation, then access the leakage inductance absorption module, power conversion
Module and control module are powered；
The leakage inductance absorption module has two, is connected to the just defeated of the DC voltage that the rectification filtering module is exported
Enter between end and the drain electrode of N-type MOSFET, for protecting N-type MOSFET QA1, QB1；
It is characterized in that：The power conversion modules include N-type MOSFET QA1, N-type MOSFET QB1, power transformer
TA1 and power transformer TB1；The positive input of the DC voltage of the rectification filtering module output being connected with the power supply POWER1
End is connected with the input pin 1 of the primary side input coil of power transformer TA1, and its output pin 3 is with N-type MOSFET QA1's
Drain electrode is connected；It is symmetrical, the positive input terminal of the DC voltage of the rectification filtering module output being connected with the power supply POWER2 and
The input pin 1 of the primary side input coil of power transformer TB1 is connected, the drain electrode of its output pin 3 and N-type MOSFET QB1
It is connected；The source electrode of N-type MOSFET QA1 and the source electrode of N-type MOSFET QB1 are connected in respective reference point；Power becomes
The pin 7 of the output winding of depressor TA1 is connected with the anode of diode CA8, the pin 6 of the output winding of power transformer TA1
Ground connection；The pin 7 of the output winding of power transformer TB1 is connected with the anode of diode CB8, the output of power transformer TB1
The pin 6 of coil is grounded；The negative electrode of diode CA8 and the negative electrode o controller of diode CB8 use voltage；
The control module includes control module by resistor RC1~RC3, capacitor CC1, PWM chip UC1, isolation letter
Number transformer TC1 is constituted；Wherein, the UCC pins of PWM chip UC1 connect diode CA8 negative electrode and diode CB8 negative electrode it
Between the o controller that exists use voltage (being in the present embodiment 24V), while the first end of termination resistor RC1；Resistor
The VFB pins and the first end of resistor RC2 of the second termination PWM chip UC1 of RC1, the second termination reference of resistor RC2
Point；The RT/CT pins of the termination PWM chips of resistor RC3 mono- UC1, another termination reference point；Capacitor CC1 and resistor RC3 is simultaneously
Connection；The GND pins of PWM chip UC1 connect reference point；The OUTPUT pins of PWM chip UC1 are input into isolating signal transformer TC1
The input pin of coil is connected, and its output pin connects reference point；The output winding of isolating signal transformer TC1 has two, and its
Input pin source electrode respectively with N-type MOSFET QA1, the source electrode of N-type MOSFET QB1 are connected, output pin respectively with N-type
The drain electrode of MOSFET QA1, the drain electrode of N-type MOSFET QB1 are connected.
Further, two pieces of rectification filtering module structures are identical, involved by the rectification filtering module being connected with POWER1
Component be labeled as A, the component involved by rectification filtering module being connected with POWER2 labeled as B, below with
POWER1 connected rectification filtering module is defined, and describes the structure of rectification filtering module；Including resistor RA1~RA4, diode
DA1~DA4, capacitor CA1~CA2 components, resistor RA1-RA4 are sequentially connected in series, the input POWER1_ of power supply POWER1
A is connected with the anode of diode DA1, the negative electrode of DA3, and POWER1_N is connected with the anode of diode DA2, the negative electrode of DA4；Two poles
The negative electrode of pipe DA1 and diode DA2 is connected with the positive power source terminal of capacitor CA1, one end of resistor RA1；Diode DA3 and
The anode of diode DA4 is connected with the negative power end of capacitor CA2, one end of resistor RA4；Capacitor CA1 and capacitor
CA2 head and the tail are connected, and its intermediate connection point is connected with the intermediate point of resistor RA2 and resistor RA3.
Further, described two leakage inductance absorption module structures are identical, and the involved component that is connected with POWER1 is labeled as
A, the component being connected with POWER2 is labeled as B, describes leakage inductance suction by taking the leakage inductance absorption module being connected with POWER1 as an example below
Receive the structure of module.The leakage inductance absorption module includes resistor RA6, capacitor CA3 and diode DA6；The one of resistor RA6
End is connected to the positive input terminal of the DC voltage of rectification filtering module output, and the other end is connected to the negative electrode of diode DA6, two poles
The anode of pipe DA6 is connected with the output pin 3 of the primary side input coil of power transformer TA1；Capacitor CA3 and resistor
RA6 is in parallel.
The automatic transfer switching electric appliance controller power source special that the present invention is provided has the following technical effect that：
1) with two-way power input interface, and two-way interface can simultaneously be input into the power supply of different distribution loops, and
And power supply all the way can be exported.
2) compared to the product of existing two-way power supply, the cost of product is reduced.
3) small volume, it is lightweight.
Brief description of the drawings
The way circuit figure of the automatic transfer switching electric appliance controller power source special that Fig. 1 is provided for the present invention.
Fig. 2 a are the circuit diagram of the rectification filtering module being connected with power supply POWER1；
Fig. 2 b are the circuit diagram of the rectification filtering module being connected with power supply POWER2；
Fig. 3 a are the circuit diagram of the power conversion modules being connected with power supply POWER1；
Fig. 3 b are the circuit diagram of the power conversion modules being connected with power supply POWER2；
Fig. 4 a are the circuit diagram of the leakage inductance absorption module being connected with power supply POWER1；
Fig. 4 b are the circuit diagram of the leakage inductance absorption module being connected with power supply POWER2；
Fig. 5 is the circuit diagram of control module.
Specific embodiment
Technical scheme is described in detail below in conjunction with the drawings and specific embodiments.
As shown in Fig. 1~5, a kind of automatic transfer switching electric appliance controller power source special includes：Rectification filtering module, power
Transform block, leakage inductance absorption module, control module；
The rectification filtering module has two, to be changed with the automatic change-over respectively two power supply POWER1 and
POWER2 is connected, and high-voltage ac power is converted into the DC voltage of pulsation, then access the leakage inductance absorption module, power conversion
Module and control module are powered；
In specific embodiment of the invention, two pieces of rectification filtering module structures are identical, are connected with POWER1
Component involved by rectification filtering module is labeled as A, the component mark involved by the rectification filtering module being connected with POWER2
It is designated as B；
As shown in Figure 2 a, the rectification filtering module being connected with POWER1 include resistor RA1~RA4, diode DA1~
DA4, capacitor CA1~CA2 components, resistor RA1-RA4 are sequentially connected in series, the input POWER1_A of power supply POWER1 and two
The negative electrode connection of the anode, DA3 of pole pipe DA1, POWER1_N is connected with the anode of diode DA2, the negative electrode of DA4；Diode DA1
It is connected with the positive power source terminal of capacitor CA1, one end of resistor RA1 with the negative electrode of diode DA2；Diode DA3 and two poles
The anode of pipe DA4 is connected with the negative power end of capacitor CA2, one end of resistor RA4；Capacitor CA1 and capacitor CA2 is first
Tail is connected, and its intermediate connection point is connected with the intermediate point of resistor RA2 and resistor RA3.
As shown in Figure 2 b, the rectification filtering module being connected with POWER2 include resistor RB1~RB4, diode DB1~
DB4, capacitor CB1~CB2 components, resistor RB1-RB4 are sequentially connected in series, the input POWER2_A of power supply POWER2 and two
The negative electrode connection of the anode, DA1 of pole pipe DB3, POWER2_N is connected with the anode of diode DB4, the negative electrode of DB2；Diode DB1
It is connected with the positive power source terminal of capacitor CB1, one end of resistor RB1 with the anode of diode DB2；Diode DB3 and two poles
The negative electrode of pipe DB4 is connected with the negative power end of capacitor CB2, one end of resistor RB4；Capacitor CB1 and capacitor CB2 is first
Tail is connected, and its intermediate connection point is connected with the intermediate point of resistor RA2 and resistor RA3；
Its working method is as follows：In the input of power supply 1, high-voltage ac power is changed by after diode DA1~DA4
DC voltage as pulsation.By increasing capacitor CA1~CA2 so that the DC voltage of pulsation more tends towards stability, and passes through
Analyze voltage normally with abnormal condition under pulsation DC voltage waveform, calculate the demand of corresponding capacitor,
The purpose of resistor RA1-RA4 is that the DC voltage of pulsation is evenly distributed on corresponding capacitor.Power supply POWER2's
Input also realizes identical function.
Such as Fig. 3 a, shown in 3b, the power conversion modules include that N-type MOSFET QA1, N-type MOSFET QB1, power become
Depressor TA1 and power transformer TB1；The DC voltage of the rectification filtering module output being connected with the power supply POWER1 is just
Input is connected with the input pin 1 of the primary side input coil of power transformer TA1, its output pin 3 and N-type MOSFET
The drain electrode of QA1 is connected；Symmetrical, the positive input of the DC voltage of the rectification filtering module output being connected with the power supply POWER2
End is connected with the input pin 1 of the primary side input coil of power transformer TB1, and its output pin 3 is with N-type MOSFET QB1's
Drain electrode is connected；The source electrode of N-type MOSFET QA1 and the source electrode of N-type MOSFET QB1 are connected in respective reference point；Work(
The pin 7 of the output winding of rate transformer TA1 is connected with the anode of diode CA8, the pipe of the output winding of power transformer TA1
Pin 6 is grounded；The pin 7 of the output winding of power transformer TB1 is connected with the anode of diode CB8, and power transformer TB1's is defeated
The pin 6 for going out coil is grounded；The negative electrode of diode CA8 and the negative electrode o controller of diode CB8 use voltage；
The working method of power conversion modules is：By the PWM control modes of control module so that N-type MOSFET QA1,
QB1 is opened and closed, this makes it possible to the primary side stored the energy in power transformer TA1, TB1, so as to energy be existed
The secondary side of power transformer TA1, TB1 is transferred to when suitable.
The leakage inductance absorption module has two, is connected to the just defeated of the DC voltage that the rectification filtering module is exported
Enter between end and the drain electrode of N-type MOSFET, for protecting N-type MOSFET QA1, QB1；
Specifically, described two leakage inductance absorption module structures are identical, the component mark for being connected with POWER1 involved
It is A, the component being connected with POWER2 is labeled as B；
As shown in fig. 4 a, the leakage inductance absorption module being connected with POWER1 includes resistor RA6, capacitor CA3 and diode
DA6；One end of resistor RA6 is connected to the positive input terminal of the DC voltage of rectification filtering module output, and the other end is connected to two
The negative electrode of pole pipe DA6, the anode of diode DA6 is connected with the output pin 3 of the primary side input coil of power transformer TA1；
Capacitor CA3 is in parallel with resistor RA6.
As shown in Figure 4 b, the leakage inductance absorption module being connected with POWER2 includes resistor RB6, capacitor CB3 and diode
DB6；One end of resistor RB6 is connected to the positive input terminal of the DC voltage of rectification filtering module output, and the other end is connected to two
The negative electrode of pole pipe DB6, the anode of diode DB6 is connected with the output pin 3 of the primary side input coil of power transformer TB1；
Capacitor CB3 is in parallel with resistor RB6.
Its working method is as follows：By the reverse protection of diode DA6, when N-type MOSFET QA1 are closed, set up
One the RC being made up of resistor RA6, capacitor CA3 shakes path of releasing, by the leakage inductance in PCB Copper Foils and transformer TA1
In parasitic energy released by this path, so as to realize protecting the function of N-type MOSFET QA1.Connection power supply POWER2's
Leakage inductance absorption module also realizes identical function.
As shown in figure 5, the control module includes control module by resistor RC1~RC3, capacitor CC1, PWM chip
UC1, isolating signal transformer TC1 are constituted；Wherein, the UCC pins of PWM chip UC1 connect the negative electrode and diode of diode CA8
The o controller existed between the negative electrode of CB8 uses voltage (being in the present embodiment 24V), while the of termination resistor RC1
One end；The VFB pins and the first end of resistor RC2 of the second termination PWM chip UC1 of resistor RC1, the of resistor RC2
Two termination reference points；The RT/CT pins of the termination PWM chips of resistor RC3 mono- UC1, another termination reference point；Capacitor CC1 with
Resistor RC3 is in parallel；The GND pins of PWM chip UC1 connect reference point；The OUTPUT pins of PWM chip UC1 become with isolation signals
The input pin of depressor TC1 input coils is connected, and its output pin connects reference point；The output winding of isolating signal transformer TC1
There are two, and its input pin source electrode respectively with N-type MOSFET QA1, the source electrode of N-type MOSFET QB1 are connected, output pin
Drain electrode respectively with N-type MOSFET QA1, the drain electrode of N-type MOSFET QB1 are connected.
The course of work of control module is：The chip UC1 of outlet side is powered by accessory power supply or battery, is maintaining it just
Often work.Resistor RC3 and capacitor CC1 is used for adjusting the frequency of oscillation inside chip UC1.Outlet side virtual voltage is by electricity
Resistance device RC1, RC2 carry out partial pressure, and voltage determines voltage error compared with chip internal reference voltage after its partial pressure, and
The adjustment direction of next step.6 pin of chip UC1 by internal concussion frequency compared with voltage error, come to drive pin
It is determined that driving conducting and the turn-off time of pin.When driving the pin of pin 6 to put high, voltage can be by isolating signal transformer
The input side of TC1 is to the respective winding port of outlet side, so that N MOSFET QA1, QB1 are respectively turned on.
It is preferred that, can be in the pin 1 and power supply with rectification filtering module, leakage inductance absorption module and power transformer TA1
POWER1 is connected and is followed by ground connection after electric capacity CA4, electric capacity CA5.It is corresponding power supply POWER2 be connected be followed by electric capacity CB4, electric capacity CB5
After be grounded.
The operation principle of the automatic transfer switching electric appliance controller power source special that the present invention is provided is as follows：Work as AC power
POWER1 and POWER2 is physics respectively by after rectifier bridge, respectively becoming respective DC pulse moving voltage, between two-way voltage
Isolation, this makes it possible to the insulation characterisitic high for meeting two-way voltage.When outlet side chip UC1 starts working, in its 6 pin
Send high level to drive the signal transformer TC1 with isolating power to work, drive N MOSFET QA1, QB1 conducting.Make
Obtain electric current and store certain energy from the input side of power transformer TA1, TB1, when outlet side chip UC1 starts working
Wait, go out low level, N MOSFET QA1, QB1 cut-off in its 3 pin, 6 human hair combing wastes respectively.The energy stored in power transformer TA1, TB1
Amount, is transferred into the outlet side of power transformer, forms required voltage.
Claims (3)
1. a kind of automatic transfer switching electric appliance controller power source special includes：Rectification filtering module, power conversion block, leakage inductance absorb
Module, control module；
The rectification filtering module has two, to be changed with the automatic change-over respectively two power supply POWER1 and
POWER2 is connected, and high-voltage ac power is converted into the DC voltage of pulsation, then access the leakage inductance absorption module, power conversion
Module and control module are powered；
The leakage inductance absorption module has two, is connected to the positive input terminal of the DC voltage of the rectification filtering module output
Between drain electrode with N-type MOSFET, for protecting N-type MOSFET QA1, QB1；
It is characterized in that：The power conversion modules include N-type MOSFET QA1, N-type MOSFET QB1, power transformer TA1,
With power transformer TB1；Be connected with the power supply POWER1 rectification filtering module output DC voltage positive input terminal with
The input pin 1 of the primary side input coil of power transformer TA1 is connected, the drain electrode of its output pin 3 and N-type MOSFET QA1
It is connected；Symmetrical, the positive input terminal and power of the DC voltage of the rectification filtering module output being connected with the power supply POWER2
The input pin 1 of the primary side input coil of transformer TB1 is connected, the drain electrode phase of its output pin 3 and N-type MOSFET QB1
Even；The source electrode of N-type MOSFET QA1 and the source electrode of N-type MOSFET QB1 are connected in respective reference point；Power transformation
The pin 7 of the output winding of device TA1 is connected with the anode of diode CA8, and the pin 6 of the output winding of power transformer TA1 connects
Ground；The pin 7 of the output winding of power transformer TB1 is connected with the anode of diode CB8, the output line of power transformer TB1
The pin 6 of circle is grounded；The negative electrode of diode CA8 and the negative electrode o controller of diode CB8 use voltage；
The control module includes that control module is become by resistor RC1~RC3, capacitor CC1, PWM chip UC1, isolation signals
Depressor TC1 is constituted；Wherein, the UCC pins of PWM chip UC1 connect and deposited between the negative electrode of diode CA8 and the negative electrode of diode CB8
O controller use voltage, while the first end of termination resistor RC1；The second termination PWM chip UC1 of resistor RC1
VFB pins and resistor RC2 first end, resistor RC2 second termination reference point；Resistor RC3 mono- terminates PWM chip
The RT/CT pins of UC1, another termination reference point；Capacitor CC1 is in parallel with resistor RC3；The GND pins of PWM chip UC1 connect
Reference point；The OUTPUT pins of PWM chip UC1 are connected with the input pin of isolating signal transformer TC1 input coils, its output
Pin connects reference point；The output winding of isolating signal transformer TC1 has two, and its input pin respectively with N-type MOSFET
The source electrode of QA1, the source electrode of N-type MOSFET QB1 are connected, output pin drain electrode, N-type MOSFET respectively with N-type MOSFET QA1
The drain electrode of QB1 is connected.
2. automatic transfer switching electric appliance controller power source special as claimed in claim 1, it is characterised in that：The leakage inductance absorbs mould
Block includes resistor RA6, capacitor CA3 and diode DA6；One end of resistor RA6 is connected to rectification filtering module output
The positive input terminal of DC voltage, the other end is connected to the negative electrode of diode DA6, anode and the power transformer TA1 of diode DA6
Primary side input coil output pin 3 be connected；Capacitor CA3 is in parallel with resistor RA6.
3. automatic transfer switching electric appliance controller power source special as claimed in claim 1 or 2, it is characterised in that：The rectification filter
Ripple module include resistor RA1~RA4, diode DA1~DA4, capacitor CA1~CA2 components, resistor RA1-RA4 according to
Secondary series connection, the input POWER1_A of power supply POWER1 is connected with the anode of diode DA1, the negative electrode of DA3, POWER1_N and two
The negative electrode connection of the anode, DA4 of pole pipe DA2；The negative electrode of diode DA1 and diode DA2 and the positive power source terminal of capacitor CA1,
One end of resistor RA1 is connected；The anode of diode DA3 and diode DA4 and negative power end, the resistor of capacitor CA2
One end of RA4 is connected；Capacitor CA1 and capacitor CA2 head and the tail series connection, its intermediate connection point and resistor RA2 and resistor
The intermediate point of RA3 is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611246250.9A CN106787850A (en) | 2016-12-29 | 2016-12-29 | Automatic transfer switching electric appliance controller power source special |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611246250.9A CN106787850A (en) | 2016-12-29 | 2016-12-29 | Automatic transfer switching electric appliance controller power source special |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106787850A true CN106787850A (en) | 2017-05-31 |
Family
ID=58928952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611246250.9A Pending CN106787850A (en) | 2016-12-29 | 2016-12-29 | Automatic transfer switching electric appliance controller power source special |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6320771B1 (en) * | 2000-04-10 | 2001-11-20 | International Business Machines Corporation | Fault tolerant active current sharing |
| CN103814512A (en) * | 2011-06-21 | 2014-05-21 | Abb技术有限公司 | Modular power supply for distribution automation system |
| CN106130166A (en) * | 2016-07-05 | 2016-11-16 | 江苏江凌测控科技股份有限公司 | Redundant power module circuit |
| CN205725132U (en) * | 2016-04-11 | 2016-11-23 | 浙江正泰电器股份有限公司 | Double-power controller power circuit |
-
2016
- 2016-12-29 CN CN201611246250.9A patent/CN106787850A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6320771B1 (en) * | 2000-04-10 | 2001-11-20 | International Business Machines Corporation | Fault tolerant active current sharing |
| CN103814512A (en) * | 2011-06-21 | 2014-05-21 | Abb技术有限公司 | Modular power supply for distribution automation system |
| CN205725132U (en) * | 2016-04-11 | 2016-11-23 | 浙江正泰电器股份有限公司 | Double-power controller power circuit |
| CN106130166A (en) * | 2016-07-05 | 2016-11-16 | 江苏江凌测控科技股份有限公司 | Redundant power module circuit |
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Application publication date: 20170531 |