CN206673831U - A kind of delay startup circuit of the DC D/C powers of high voltage input and low-voltage output - Google Patents
A kind of delay startup circuit of the DC D/C powers of high voltage input and low-voltage output Download PDFInfo
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- CN206673831U CN206673831U CN201720388972.1U CN201720388972U CN206673831U CN 206673831 U CN206673831 U CN 206673831U CN 201720388972 U CN201720388972 U CN 201720388972U CN 206673831 U CN206673831 U CN 206673831U
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Abstract
A kind of power supply is the utility model is related to, particularly a kind of delay startup circuit of the DC D/C powers of high voltage input and low-voltage output, it is characterized in that：Including：Resistance R3, resistance R4, resistance R5, electric capacity C7, triode Q7 and optocoupler V5 and optocoupler V6, optocoupler V5 and optocoupler V6 light-emitting diodes pipe end is using being connected in series, and optocoupler V5 is in the high potential position of series connection, and optocoupler V6 is in the low potential position of series connection；The another both ends of optocoupler diode being connected in series are connected to triode Q7 collector and emitter, between triode Q7 base stage and emitter stage and electric capacity C7 and resistance R5 are connected to, triode Q7 base stage is electrically connected by a resistance R3 with the in+ of HVDC input voltage；The in+ that triode Q7 colelctor electrode inputs voltage by a resistance R4 with the HVDC is electrically connected；Triode Q7 emitter stage electrically connects with the in of HVDC input voltage.
Description
This case is to apply for title " a kind of DC-DC power source of high voltage input and low-voltage output ", application number
" 2017202359130 ", the divisional application of the applying date " 2017/3/10 ".
Technical field
A kind of power supply is the utility model is related to, particularly a kind of delay of the DC-DC power source of high voltage input and low-voltage output is opened
Dynamic circuit.
Background technology
Electrical equipment has exchange or with direct current, and AC-input voltage is single-phase 220V or three-phase 380V；Direct current electricity consumption
Equipment rectification is carried out using 220V more, the load of needs is then supplied to by power circuit, it is high from electrical energy transportation efficiency
Voltage has the characteristics of power density is high, and the loss on transmission line is small, such as supplies remote load power source using HVDC,
It can realize that friendship rate lifts one times of effect.These applications are such as attached most importance in the airborne occasion required to volume and weight using excellent
Will.
The content of the invention
The purpose of this utility model be to provide it is a kind of there is high input voltage, power density is high；Small volume, weight is easily
In miniaturization；Suitable for long-distance transmissions terminal, it is easy to control and repairs the DC-DC power source that high voltage input and low-voltage exports.
The purpose of this utility model is achieved in that a kind of delay of the DC-DC power source of high voltage input and low-voltage output is opened
Dynamic circuit, it is characterized in that：Described delay startup circuit comprise at least two-way delay output, two-way delay output respectively with two
The input control terminal electrical connection of BCM modules.
Described delay startup circuit includes：Resistance R3, resistance R4, resistance R5, electric capacity C7, triode Q7, optocoupler V5 and
Optocoupler V6, optocoupler V5 and optocoupler V6 light-emitting diodes pipe end are using being connected in series, and optocoupler V5 is in the high potential position of series connection, optocoupler
V6 is in the low potential position of series connection；The another both ends of optocoupler diode being connected in series are connected to triode Q7 colelctor electrode and transmitting
Pole, between triode Q7 base stage and emitter stage and electric capacity C7 and resistance R5 are connected to, triode Q7 base stage passes through a resistance
R3 electrically connects with the in+ of HVDC input voltage；Triode Q7 colelctor electrode passes through a resistance R4 and the high pressure
The in+ electrical connections of DC input voitage；Triode Q7 emitter stage electrically connects with the in- of HVDC input voltage；
The optocoupler V5 of high potential phototriode pipe collector output electrically connects with the PC ends of the first BCM modules；High potential
Optocoupler V5 phototriode emitter stage electrically connected with the in- of the first BCM modules；
The optocoupler V6 of low potential phototriode pipe collector output electrically connects with the PC ends of the 2nd BCM modules；High potential
Optocoupler V6 phototriode emitter stage electrically connected with the in- of the 2nd BCM modules.
Described BCM modules are connected and composed by the first BCM modules and the 2nd BCM block coupled in series, the first BCM modules and second
BCM modules have identical structure, and the first BCM block coupled in series is in the high-pressure side of HVDC input voltage, the 2nd BCM module strings
The low-pressure end of HVDC input voltage is associated in, the 3rd tunnel output end of equalizer circuit is connected electrically in the first BCM modules and second
BCM modules are connected in series a little.
The utility model has the advantages that：The utility model is by equalizer circuit, BCM modules, PRM Voltage stabilizing modules and delayed startup
Circuit is formed, and BCM voltage reduction modules have input and output isolation and the equal properties of flow of output-parallel.Input series connection can be realized, it is defeated
Go out parallel connection, so as to be used as the function of middle level conversion.PRM Voltage stabilizing modules can select according to power output and the demand of input power
It is in parallel to select one or more.Due to being built using equalizer circuit, BCM isolated bucks module and PRM Voltage stabilizing modules, compare traditional circuit
Input voltage lifts one times, and power density is high, and the few reliability of element is high, and interchangeability is by force for ease of maintenaince.Each module small volume, weight
Gently, the occasion for being adapted to airborne grade to require volume and weight is used, and high pressure is isolated with low pressure, safe.
Brief description of the drawings
Fig. 1 is the utility model embodiment circuit theory diagrams.
Embodiment
As shown in figure 1, a kind of delay startup circuit of the DC-DC power source of high voltage input and low-voltage output, is comprised at least：Press
The input of circuit, BCM modules, PRM Voltage stabilizing modules and delay startup circuit, HVDC input voltage and equalizer circuit is electrically connected
Connect, wherein equalizer circuit is connected by resistance R1 and R2, electric capacity C1 and C2 series connection；In in parallel, the resistance by resistance R1 and electric capacity C1
R2 and electric capacity C2 is in parallel；HVDC inputs voltage-drop loading at series resistance R1 and R2 or series capacitance C1 and C2 both ends,
Volt circuit has three output ends, and two of which output end is two terminals of HVDC input voltage, and the 3rd tunnel output end is
Series resistance R1 and R2 or series capacitance C1 and C2 tie point；
Described BCM modules are connected and composed by the first BCM modules and the 2nd BCM block coupled in series, the first BCM modules and second
BCM modules have identical structure, and the first BCM block coupled in series is in the high-pressure side of HVDC input voltage, the 2nd BCM module strings
The low-pressure end of HVDC input voltage is associated in, the 3rd tunnel output end of equalizer circuit is connected electrically in the first BCM modules and second
BCM modules are connected in series a little；
Described PRM Voltage stabilizing modules by two PRM module compositions of identical, two PRM modules respectively with two BCM modules
Output end electrical connection；The output end of two PRM modules is electrically connected using in parallel；
Described delay startup circuit comprise at least two-way delay output, two-way delay output respectively with two BCM modules
Input control terminal electrical connection.
Described delay startup circuit includes：Resistance R3, resistance R4, resistance R5, electric capacity C7, triode Q7, optocoupler V5 and
Optocoupler V6, optocoupler V5 and optocoupler V6 light-emitting diodes pipe end are using being connected in series, and optocoupler V5 is in the high potential position of series connection, optocoupler
V6 is in the low potential position of series connection；The another both ends of optocoupler diode being connected in series are connected to triode Q7 colelctor electrode and transmitting
Pole, between triode Q7 base stage and emitter stage and electric capacity C7 and resistance R5 are connected to, triode Q7 base stage passes through a resistance
R3 electrically connects with the in+ of HVDC input voltage；Triode Q7 colelctor electrode passes through a resistance R4 and the high pressure
The in+ electrical connections of DC input voitage；Triode Q7 emitter stage electrically connects with the in- of HVDC input voltage；
The optocoupler V5 of high potential phototriode pipe collector output electrically connects with the PC ends of the first BCM modules；High potential
Optocoupler V5 phototriode emitter stage electrically connected with the in- of the first BCM modules；
The optocoupler V6 of low potential phototriode pipe collector output electrically connects with the PC ends of the 2nd BCM modules；High potential
Optocoupler V6 phototriode emitter stage electrically connected with the in- of the 2nd BCM modules.
The PC ends of first BCM modules and the PC ends of the 2nd BCM modules are Enable Pin, are controlled respectively by the triode end of optocoupler
BCM processed Enable Pin, the diode end of optocoupler use series system, ensure that optocoupler can be with same pass be opened, so as to ensure that BCM is same
Walk work.Resistance R3, resistance R5 are that electric capacity C7 forms charging and discharging circuit, can reach triode when input voltage reaches 440V
Q7 conducting voltage, the optocoupler V5 of high potential and the optocoupler V6 of low potential disconnect, the PC ends of the first BCM modules and the 2nd BCM moulds
Block enables.Meanwhile in powered on moment, electric capacity C7 is charged, triode Q7 conductings are delayed by, realize delayed startup work(
Energy.
HVDC of the present utility model input voltage range by equalizer circuit, is converted into two-way DC in 440-660V
220-330V voltages, connect the first BCM modules and the 2nd BCM module for power supply, delayed startup to input series connection, output-parallel respectively
Circuit is used for the startup work of the first BCM modules and the 2nd BCM modules of being delayed, so as to ensure that equalizer circuit is completed after the power-up
Press function.First BCM modules connect with the output-parallel of the 2nd BCM modules, and the first BCM modules and the 2nd BCM modules have
Function is flowed, ensure that two pieces of BCM input equiva lent impedance is identical, it is ensured that the good of equalizer circuit is pressed.Voltage after conversion
The input for accessing PRM Voltage stabilizing modules carries out voltage stabilizing, PRM inputs and output-parallel connection raising PRM power output and BCM
Power output matches.
PRM is Voltage stabilizing module, can improve power output by the way that multistage input and output are in parallel, can be according to prime in practice
The size for providing power determines PRM application method.
Equalizer circuit described in the utility model introduces intermediate point in high input voltage, and input is divided into only primary voltage
It is worth the two-way voltage of half.Voltage conversion realizes DC-DC into the unstable voltage of low pressure, PRM Voltage stabilizing modules after BCM modules will divide equally
Voltage stabilizing converts.Delay startup circuit is used for ensureing that equalizer circuit is completed to press work.
BCM voltage reduction modules have input and output isolation and the equal properties of flow of output-parallel.Input series connection, output can be realized
Parallel connection, so as to be used as the function of middle level conversion.PRM Voltage stabilizing modules can select according to power output and the demand of input power
One or more is in parallel.It is more defeated than traditional circuit due to being built using equalizer circuit, BCM isolated bucks module and PRM Voltage stabilizing modules
Enter one times of voltage increase, power density is high, and the few reliability of element is high, and interchangeability is by force for ease of maintenaince.Each module small volume, weight
Gently, the occasion for being adapted to airborne grade to require volume and weight is used, and high pressure is isolated with low pressure, safe.
The utility model is adapted to remote high-tension electrical equipment, and voltage often doubles, and being lost on transmission line reduces
Four times.High voltage uses the loss reduced on low-voltage transmission line.
Claims (3)
1. a kind of delay startup circuit of the DC-DC power source of high voltage input and low-voltage output, it is characterized in that：Including：Resistance R3, resistance
R4, resistance R5, electric capacity C7, triode Q7, optocoupler V5 and optocoupler V6, optocoupler V5 and optocoupler V6 light-emitting diodes pipe end are using string
Connection connection, optocoupler V5 is in the high potential position of series connection, and optocoupler V6 is in the low potential position of series connection；The pole of optocoupler two being connected in series
The collector and emitter that another both ends are connected to triode Q7 is managed, between triode Q7 base stage and emitter stage and is connected to electric capacity C7
With resistance R5, triode Q7 base stage is electrically connected by a resistance R3 with the in+ of HVDC input voltage；Triode Q7's
The in+ that colelctor electrode inputs voltage by a resistance R4 with HVDC is electrically connected；Triode Q7 emitter stage and HVDC
The in- electrical connections of input voltage.
2. a kind of delay startup circuit of the DC-DC power source of high voltage input and low-voltage output according to claim 1, its feature
It is：The optocoupler V5 of high potential phototriode pipe collector output electrically connects with the PC ends of the first BCM modules；The optocoupler of high potential
V5 phototriode emitter stage electrically connects with the in- of the first BCM modules.
3. a kind of delay startup circuit of the DC-DC power source of high voltage input and low-voltage output according to claim 1, its feature
It is：The optocoupler V6 of low potential phototriode pipe collector output electrically connects with the PC ends of the 2nd BCM modules；The optocoupler of high potential
V6 phototriode emitter stage electrically connects with the in- of the 2nd BCM modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720388972.1U CN206673831U (en) | 2017-03-10 | 2017-03-10 | A kind of delay startup circuit of the DC D/C powers of high voltage input and low-voltage output |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720388972.1U CN206673831U (en) | 2017-03-10 | 2017-03-10 | A kind of delay startup circuit of the DC D/C powers of high voltage input and low-voltage output |
| CN201720235913.0U CN206517298U (en) | 2017-03-10 | 2017-03-10 | A kind of DC D/C powers of high voltage input and low-voltage output |
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| CN201720235913.0U Division CN206517298U (en) | 2017-03-10 | 2017-03-10 | A kind of DC D/C powers of high voltage input and low-voltage output |
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| CN206673831U true CN206673831U (en) | 2017-11-24 |
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| CN201720388972.1U Active CN206673831U (en) | 2017-03-10 | 2017-03-10 | A kind of delay startup circuit of the DC D/C powers of high voltage input and low-voltage output |
| CN201720235913.0U Active CN206517298U (en) | 2017-03-10 | 2017-03-10 | A kind of DC D/C powers of high voltage input and low-voltage output |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979290A (en) * | 2017-12-28 | 2018-05-01 | 航天长峰朝阳电源有限公司 | One kind starts time-adjustable power module |
| CN108063549B (en) * | 2017-12-28 | 2024-04-12 | 广州金升阳科技有限公司 | Isolation control circuit |
| CN108667132A (en) * | 2018-07-14 | 2018-10-16 | 四川火石光电有限公司 | A kind of street lamp single-lamp controller of uninterrupted power supply |
| CN111525804B (en) | 2019-02-03 | 2021-10-08 | 台达电子工业股份有限公司 | DC/DC conversion system |
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- 2017-03-10 CN CN201720388972.1U patent/CN206673831U/en active Active
- 2017-03-10 CN CN201720235913.0U patent/CN206517298U/en active Active
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| CN206517298U (en) | 2017-09-22 |
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