CN208158426U - DC power supply with momentary high power fan-out capability - Google Patents
DC power supply with momentary high power fan-out capability Download PDFInfo
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- CN208158426U CN208158426U CN201820402082.6U CN201820402082U CN208158426U CN 208158426 U CN208158426 U CN 208158426U CN 201820402082 U CN201820402082 U CN 201820402082U CN 208158426 U CN208158426 U CN 208158426U
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Abstract
The utility model discloses a kind of DC power supplies with momentary high power fan-out capability,This DC power supply includes the upper electrical switch being sequentially connected in series,Alternating current filter,Rectifier,DC filter,DC-DC module,Output filter and feed circuit,Control circuit and driving power module,Feed circuit is separately connected output filter and control circuit,Control circuit connects DC-DC module,Driving power module provides control circuit working power and its input terminal connects DC filter output end,It further include by current-limiting resistance,Thin-film capacitor,The high-power output module and output button that IGBT pipe and driving circuit are constituted,Current-limiting resistance connects output filter and IGBT pipe after concatenating with thin-film capacitor,Driving circuit controls IGBT pipe,IGBT pipe output end exports high-power voltage and current,Export the output end of button connection output filter.This DC power supply increases pulse voltage fan-out capability, provides instantaneous high-power output, enhances the applicability and flexibility of DC power supply.
Description
Technical field
The utility model relates to a kind of DC power supplies with momentary high power fan-out capability.
Background technique
DC power supply is widely used in needing the application of direct current supply, such as the power supply of all kinds of instrument and meters.Such as Fig. 1 institute
Show, conventional DC power supply includes the upper electrical switch being sequentially connected in series, alternating current filter, rectifier, DC filter, DC-DC mould
Block, output filter, wherein DC-DC module carries out closed-loop control, control electricity according to the value of feedback of feed circuit by control circuit
Output end of the input terminal on road through feed circuit connection output filter, control circuit supply its circuit by driving power module
Electricity.The DC power supply due to limited to by hardware so that export electric current be necessarily less than equipment permission maximum output current, it is defeated
It is limited out by maximum load current, and output voltage has to pass through to can be only achieved after the climbing of a period of time and be set by control circuit
Fixed voltage value, the climbing of output voltage generally require ms grades of time, cannot instantaneously provide biggish voltage and current, therefore
The DC power supply is unable to satisfy the occasion for having particular/special requirement to output voltage and electric current, reduces the applicability and spirit of DC power supply
Activity.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of direct currents with momentary high power fan-out capability
Source, this DC power supply overcome the defect of Traditional DC power supply, increase arteries and veins on the basis of keeping Traditional DC power supply original function
Voltage output ability is rushed, instantaneous high-power output is provided, enhances the applicability and flexibility of DC power supply.
In order to solve the above technical problems, it includes successively that the utility model, which has the DC power supply of momentary high power fan-out capability,
Upper electrical switch, alternating current filter, rectifier, DC filter, DC-DC module, output filter and the feed circuit of concatenation,
Control circuit and driving power module, the input terminal and output end of the feed circuit are separately connected the defeated of the output filter
The output end of the input terminal of outlet and the control circuit, the control circuit connects the DC-DC module control terminal, the drive
The output end of dynamic power module connects the power end of the control circuit, input terminal connects the output end of the DC filter,
It is characterized in that：This DC power supply further includes high-power output module and output button, and the high-power output module includes limit
Leakage resistance, thin-film capacitor, IGBT pipe and driving circuit, both ends are separately connected described after the current-limiting resistance is concatenated with thin-film capacitor
Output filter output end and IGBT pipe input terminal, the driving circuit output end connects the IGBT pipe control terminal, described
IGBT pipe output end exports momentary high power voltage and current, and the output button connects the output end of the output filter.
Further, this DC power supply further includes control button, and the control button connects the driving circuit, when the control
When button processed is connected, the driving circuit controls the IGBT pipe conducting, the IGBT pipe output end export high-power voltage and
Electric current.
Further, the thin-film capacitor is high capacitance thin-film capacitor.
Since there is the utility model the DC power supply of momentary high power fan-out capability to use above-mentioned technical proposal, i.e., originally
DC power supply includes the upper electrical switch being sequentially connected in series, alternating current filter, rectifier, DC filter, DC-DC module, output filter
Wave device and feed circuit, control circuit and driving power module, feed circuit are separately connected output filter and control circuit,
Control circuit connects DC-DC module, and driving power module provides the working power of control circuit and its input terminal connects direct current
The output end of filter further includes the high-power output module being made of current-limiting resistance, thin-film capacitor, IGBT pipe and driving circuit
And output button, current-limiting resistance connect output filter and IGBT pipe, the connection of driving circuit output end after concatenating with thin-film capacitor
IGBT pipe control terminal, IGBT pipe output end export high-power voltage and current, the output end of output button connection output filter.
This DC power supply overcomes the defect of Traditional DC power supply, increases pulse electricity on the basis of keeping Traditional DC power supply original function
Fan-out capability is pressed, instantaneous high-power output is provided, the applicability and flexibility of DC power supply are enhanced.
Detailed description of the invention
The utility model is described in further detail with embodiment with reference to the accompanying drawing：
Fig. 1 is the functional block diagram of customary DC power supply；
Fig. 2 is the DC power supply functional block diagram that the utility model has momentary high power fan-out capability.
Specific embodiment
Embodiment is as shown in Fig. 2, it includes successively going here and there that the utility model, which has the DC power supply of momentary high power fan-out capability,
The upper electrical switch, alternating current filter, rectifier, DC filter, DC-DC module, output filter and the feed circuit that connect, control
Circuit processed and driving power module, the input terminal and output end of the feed circuit are separately connected the output of the output filter
The output end of the input terminal at end and the control circuit, the control circuit connects the DC-DC module control terminal, the driving
The output end of power module connects the power end of the control circuit, input terminal connects the output end of the DC filter,
It is characterized in that：This DC power supply further includes high-power output module and output button, and the high-power output module includes current limliting
Resistance, thin-film capacitor, IGBT pipe and driving circuit, both ends are separately connected described defeated after the current-limiting resistance is concatenated with thin-film capacitor
Filter output and IGBT pipe input terminal out, the driving circuit output end connect the IGBT pipe control terminal, the IGBT
Pipe output end exports momentary high power voltage and current, and the output button connects the output end of the output filter, output
The output end of button as it is long when specified source of stable pressure output.
Preferably, this DC power supply further includes control button, and the control button connects the driving circuit, when the control
When button processed is connected, the driving circuit controls the IGBT pipe conducting, the IGBT pipe output end export high-power voltage and
Electric current.
Preferably, the thin-film capacitor is high capacitance thin-film capacitor.
This DC power supply increases branch on the basis of original Traditional DC power supply, through the output end in output filter
The function of realizing the pulse power, for meeting the application of various DC power supplies, especially all kinds of laboratory test tests pair
The requirement of DC power supply.
This DC power supply makes full use of the output characteristics of customary DC power supply and the spy of IGBT pipe high-speed switch, non-jitter
Property, by the adjustment to power source internal structure, so that this DC power supply be made to can be used as normal power supplies or pulsed power supplies independence
It uses, can also use simultaneously.
Wherein the turn-on and turn-off of IGBT pipe are controlled by control button, and driving circuit is filtered place to control button signal
Reason, prevents the malfunction as caused by shake or concussion, and treated, and control signal is controlled as IGBT pipe driving signal
The on-off of IGBT pipe.Driving circuit can also be sent a signal to by control button, then by the logical of driving circuit control IGBT pipe
It is disconnected.
According to the application of this DC power supply, after upper electrical switch opening, according to output button and driving circuit or control
Three kinds of output states may be implemented in the adjusting of button processed, this DC power supply：
（1）Output state one, driving circuit or control button disconnect while output button is connected, under this state this direct current
The output state of power supply is identical as customary DC power supply, the conventional voltage and current of output filter output end output；
（2）Output state two, driving circuit or control button conducting while output button disconnects, under this state without routine
Voltage and current output, while IGBT pipe is connected under the control of driving circuit and control button, due to the conducting one of IGBT pipe
As completed in 500ns~2us, and due to the presence of thin-film capacitor, so the output of IGBT pipe can theoretically be done at this time
It is exported to voltage in step, to obtain instantaneous high-power output；
（3）Output state three, driving circuit or control button are connected while output button is connected, under this state this direct current
Power supply has the function of output state one and output state two simultaneously.
Claims (3)
1. a kind of DC power supply with momentary high power fan-out capability, including be sequentially connected in series upper electrical switch, alternating current filter,
Rectifier, DC filter, DC-DC module, output filter and feed circuit, control circuit and driving power module, institute
The input terminal and output end for stating feed circuit are separately connected the output end of the output filter and the input of the control circuit
End, the output end of the control circuit connect the DC-DC module control terminal, and the output end of the driving power module connects institute
State the power end of control circuit, input terminal connects the output end of the DC filter, it is characterised in that：This DC power supply also wraps
High-power output module and output button are included, the high-power output module includes current-limiting resistance, thin-film capacitor, IGBT pipe and drives
Dynamic circuit, both ends are separately connected the output filter output end after the current-limiting resistance is concatenated with thin-film capacitor and IGBT pipe is defeated
Enter end, the driving circuit output end connects the IGBT pipe control terminal, the IGBT pipe output end output momentary high power electricity
Pressure and electric current, the output button connect the output end of the output filter.
2. the DC power supply according to claim 1 with momentary high power fan-out capability, it is characterised in that：This direct current
Source further includes control button, and the control button connects the driving circuit, when the control button is connected, the driving electricity
Road controls the IGBT pipe conducting, and the IGBT pipe output end exports high-power voltage and current.
3. the DC power supply according to claim 1 or 2 with momentary high power fan-out capability, it is characterised in that：It is described
Thin-film capacitor is high capacitance thin-film capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820402082.6U CN208158426U (en) | 2018-03-23 | 2018-03-23 | DC power supply with momentary high power fan-out capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820402082.6U CN208158426U (en) | 2018-03-23 | 2018-03-23 | DC power supply with momentary high power fan-out capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208158426U true CN208158426U (en) | 2018-11-27 |
Family
ID=64392839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820402082.6U Active CN208158426U (en) | 2018-03-23 | 2018-03-23 | DC power supply with momentary high power fan-out capability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208158426U (en) |
-
2018
- 2018-03-23 CN CN201820402082.6U patent/CN208158426U/en active Active
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