CN206657038U - High current surge generator - Google Patents
High current surge generator Download PDFInfo
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- CN206657038U CN206657038U CN201720193865.3U CN201720193865U CN206657038U CN 206657038 U CN206657038 U CN 206657038U CN 201720193865 U CN201720193865 U CN 201720193865U CN 206657038 U CN206657038 U CN 206657038U
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Abstract
The utility model embodiment discloses a kind of high current surge generator, including main power supply module, isolation power supply module, pulse generating module and drive module, the main power supply module includes IGBT, main power source VCC1 altogether and surge power supply VCC2, surge power supply VCC2 output end is connected to IGBT drain electrode, and the source electrode of the IGBT is connected to the external delivery point for providing product to be measured voltage；The output end of the main power source VCC1 is divided into two-way and is respectively connecting to external delivery point and isolation power supply module, and isolate the first via output end of power supply module and external input is connected to pulse generating module, second tunnel output end and the output end of pulse generating module are additionally coupled to drive module, and the output end of the drive module is connected to IGBT grid.The utility model embodiment exports surge voltage to carry out surge test by main power supply module, isolation power supply module, pulse generating module and drive module surge power supply VCC2, and output current is big, and circuit structure is simple and reliable, and cost is cheap.
Description
Technical field
The utility model embodiment is related to high current surge generator technical field, more particularly to a kind of high current surge hair
Raw device.
Background technology
, it is necessary to carry out surge survey to the surge suppressor module of DC/DC power module inputs in aviation power system
Examination, by taking 80V/100ms pulse as an example so that surge suppressor module can be by 80V/100ms pulse suppression to defined electricity
Press to meet the input voltage of DC/DC power modules in safe range.
At present, in the production process of surge suppressor product, low current product still carries out wave using programmable power supply
Test is gushed, but in the product test for being 80V/35A/50ms for surge voltage, existing equipment can not provide so big electricity
The surge output of stream, delays the production test of product, extends manufacture cycle.
Utility model content
The utility model embodiment technical problems to be solved are to provide a kind of high current surge generator, can effectively carry
Rise output current.
In order to solve the above technical problems, the utility model embodiment provides following technical scheme：A kind of high current surge
Generator, including main power supply module, isolation power supply module, pulse generating module and drive module, the main power supply module bag
The output end for including IGBT, main power source VCC1 altogether and surge power supply VCC2, the surge power supply VCC2 is connected to IGBT leakage
Pole, the source electrode of the IGBT are connected to the external delivery point for providing product to be measured voltage；The output end of the main power source VCC1
It is divided into two-way and is respectively connecting to the external delivery point and isolation power supply module, and isolates power supply module output end and be divided into two
Road, wherein, the first via output end and the external input for connecting external power source for isolating power supply module are connected to pulse
Generation module, isolates the second tunnel output end of power supply module and the output end of pulse generating module is additionally coupled to the driving mould
Block, the output end of the drive module are connected to IGBT grid.
Further, it is also associated between the main power source VCC1 and external delivery point along main power source VCC1 to external output
Be also associated between first diode D1, the IGBT of extreme direction conducting source electrode and external delivery point source electrode along IGBT to
Second diode D2 of external delivery point direction conducting.
Further, the isolation power supply module includes input is electrically connected to main power source VCC1 output end first
Isolate power supply circuit and the second isolation power supply circuit, the output end of the first isolation power supply circuit is as isolation power supply module
First via output end, the output end of the second isolation power supply circuit is as the second tunnel output end for isolating power supply module.
Further, it is attached between the pulse generating module and drive module by optical coupling unit, the light
The anode that coupling unit includes light emitting diode D3, the light emitting diode D3 is connected to the output end of pulse generating module, institute
Light emitting diode D3 minus earth is stated, the low level output end and high-order output end of the optical coupling unit are respectively connecting to drive
Module.
Further, the drive module includes the first resistor for being connected to the second tunnel output end of isolation power supply module
R1, first resistor the R1 other end are connected to the first triode Q1 and the second triode Q2 base stage, the first triode Q1
Colelctor electrode be connected to the second tunnel output end of isolation power supply module, the emitter stage of the first triode Q1 is respectively connecting to
The emitter stage of IGBT grid and the second triode Q2, the base stage of the second triode Q2 are additionally coupled to the low of optical coupling unit
Position output end, the grounded collector of the second triode Q2 and be further connected to optical coupling unit high-order output end and
IGBT source electrode.
Further, the drive module is also included between the first triode Q1 emitter stage and IGBT grid
Second resistance R2, the first electric capacity C1, the second resistance R2 in parallel with the second resistance R2 are connected to IGBT grid
One end is to the 4th diode for being also connected with the 3rd diode D4 of forward conduction between IGBT source electrode in turn and reversely ending
The D5 and 3rd resistor R3 in parallel with the concatermer of the 3rd diode D4 and the 4th diode D5.
By using above-mentioned technical proposal, the utility model embodiment has the beneficial effect that：The utility model embodiment
By being provided with main power source VCC1 in main power supply module to provide operating voltage product normal work to be measured to product to be measured,
And the IGBT that surge power supply VCC2 output end is connected with the state of being off prevents surge power supply VCC2 to product to be measured
Surge voltage is provided, the main power source VCC1 output ends are additionally coupled to isolate power supply module and carry out phase by isolation power supply module
It is respectively that pulse generating module and drive module provide operating voltage to divide two-way after should handling；When external power source passes through external input
When end exports a voltage signal to pulse generating module, pulse generating module, which produces a pulse signal and exported, gives driving mould
Block makes drive module export a voltage signal to IGBT grid and then causes IGBT conductings, and surge power supply VCC2 can be treated
Survey product and provide surge voltage to carry out surge test to product to be measured.The electric current of output can effectively be lifted to meet surge test
It is required that circuit structure is simple and reliable, cost is cheap.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model high current surge generator one embodiment.
Fig. 2 is the utility model high current surge generator one embodiment electrical block diagram.
Embodiment
The application is described in further detail with specific embodiment below in conjunction with the accompanying drawings.It should be appreciated that following signal
Property embodiment and explanation be only used for explaining the utility model, be not intended as to restriction of the present utility model, moreover, not conflicting
In the case of, the feature in embodiment and embodiment in the application can be combined with each other.
As shown in Figure 1 to Figure 2, the utility model one embodiment provides a kind of high current surge generator, including main confession
Electric module 1, drive module 2, isolation power supply module 3 and pulse generating module 4.
The main power supply module 1 includes IGBT11, main power source VCC1 altogether and surge power supply VCC2, the surge power supply
VCC2 output end is connected to IGBT11 drain electrode, and the source electrode of the IGBT11 is connected to product to be measured（It is not shown）There is provided
The external delivery point E1 of voltage；The output end of the main power source VCC1 be divided into two-way be respectively connecting to the external delivery point E1 and
Isolate power supply module 2, and isolate the output end of power supply module 2 and be divided into two-way, wherein, the first via output of isolation power supply module 2
Hold and for connecting external power source（It is not shown）External input E2 be connected to pulse generating module 3, isolation power supply mould
Second tunnel output end of block 2 and the output end of pulse generating module 3 are additionally coupled to the drive module 4, the drive module 4
Output end is connected to IGBT11 grid.In a specific embodiment, to test the surge voltage of product to be measured as 80V/
Exemplified by 35A/50ms, in the specific implementation, main power source VCC1 can be 28V dc sources, and surge power supply VCC2 is 80V direct currents
Source, the voltage of the external power source output is 5V.
The present embodiment in main power supply module 1 by being provided with main power source VCC1 to provide operating voltage to product to be measured
Product normal work to be measured, and the IGBT11 that surge power supply VCC2 output end is connected with the state of being off causes surge power supply
VCC2 can not give product to be measured to provide surge voltage, and the main power source VCC1 output ends are additionally coupled to isolate power supply module 2 and passed through
Crossing after isolation power supply module 2 carries out respective handling divides two-way to be respectively that pulse generating module 3 and drive module 4 provide work electricity
Pressure；When external power source exports a voltage signal to pulse generating module 3 by external input E2, pulse generating module 3
Producing a pulse signal and exporting makes drive module 4 enter to IGBT11 grid one voltage signal of output to drive module 4
And causing IGBT11 conductings, surge power supply VCC2 can provide product to be measured surge voltage to carry out surge survey to product to be measured
Examination, can effectively lift the electric current of output to meet surge test requirement, circuit structure is simple and reliable, and cost is cheap.
In one alternate embodiment, it is also associated between the main power source VCC1 and external delivery point E1 along main power source
Between the first diode D1, the IGBT11 that VCC1 turns on to external delivery point E1 directions source electrode and external delivery point E1 also
It is connected with the second diode D2 turned on along IGBT11 source electrode to external delivery point E1 directions.The present embodiment passes through the one or two pole
Pipe D1 and the second diode D2 make it that electric current will not mutually pour in down a chimney between main power source VCC1 and surge power supply VCC2, can effectively improve
The safety and stability of circuit.
In one alternate embodiment, the isolation power supply module 2 is electrically connected to main power source VCC1's including input
First isolation power supply circuit 21 and second of output end isolates power supply circuit 22, the output end of the first isolation power supply circuit 21
As the first via output end of isolation power supply module 2, the output end of the second isolation power supply circuit 22 is as isolation power supply mould
Second tunnel output end of block 2.In a specific embodiment, the first isolation power supply circuit 21 uses DC/DC isolated variables
Device exports 5V voltages, the second isolation power supply circuit 22 using DC/DC isolated converters output 15V voltages, described first every
Voltage can also be provided from power supply circuit 21 instead of external power source for pulse generating module.
The present embodiment is connected to main power source VCC1 output end by isolating power supply module 2, and isolates the of power supply module 2
It is respectively that pulse generating module 3 and drive module 4 provide 5V voltages that one isolation power supply circuit 21 and second, which isolates power supply circuit 22,
With 15V voltages, the use of power supply in circuit can be effectively reduced, reduces cost.
In one alternate embodiment, entered between the pulse generating module 3 and drive module 4 by optical coupling unit 5
Row connection, the optical coupling unit 5 include light emitting diode D3, and the anode of the light emitting diode D3 is connected to pulse generation mould
The output end of block 3, the minus earth of the light emitting diode D3, the low level output end of the optical coupling unit 5 and high-order output
End is respectively connecting to drive module 4, and a key switch is also associated between the pulse generating module 3 and external input E2
6.In a specific embodiment, the pulse generating module 3 exports one when receiving the voltage of external input E2 inputs
Individual 5V square-wave pulse signal.The present embodiment produces a square-wave pulse when key switch 6 turns on by pulse generating module 3
Signal is simultaneously exported to drive module 4 by way of optical coupling, and the anti-interference energy of circuit is effectively improved very much using optical coupling mode
Power, improve the stability of circuit.
In one alternate embodiment, the drive module 4 includes the second tunnel output end for being connected to isolation power supply module 2
First resistor R1, the first resistor R1 other end is connected to the first triode Q1 and the second triode Q2 base stage, described
One triode Q1 colelctor electrode is connected to the second tunnel output end of isolation power supply module 2, the emitter stage of the first triode Q1
IGBT11 grid and the second triode Q2 emitter stage are respectively connecting to, the base stage of the second triode Q2 is additionally coupled to light
The low level output end of coupling unit 5, the grounded collector of the second triode Q2 and is further connected to optical coupling unit 5
The source electrode of high-order output end and IGBT11.
The voltage signal that optical coupling unit 5 exports is amplified by the present embodiment by drive module 4, is being embodied
When, the voltage signal that optical coupling unit 5 exports is output to IGBT11 grid after drive module 4 is amplified to 15V, makes
IGBT11 is turned on and then surge power supply VCC2 is provided surge voltage for product to be measured, and circuit structure is simple and reliable.
In another alternative embodiment, the drive module 4 also include located at the first triode Q1 emitter stage with
Second resistance R2 between IGBT11 grid, the first electric capacity C1, the second resistance R2 in parallel with the second resistance R2
One end of IGBT11 grid is connected to the 3rd diode D4 for being also connected with forward conduction between IGBT11 source electrode in turn
The 4th diode D5 reversely ended and in parallel with the 3rd diode D4 and the 4th diode D5 concatermer
Three resistance R3.
The present embodiment between grid of the first triode Q1 emitter stage with IGBT11 by being provided with the second electricity in parallel
R2 and the first electric capacity C1 is hindered, signal shaping effectively can be carried out to the voltage signal of the first triode Q1 outputs；And by
The 3rd diode D4, the 4th diode D5 and 3rd resistor R3 are provided between IGBT11 grid and source electrode, can effectively be avoided
Voltage Peak point between IGBT11 grid and source electrode influences the stable of IGBT11 and sets damage IGBT11, improves circuit stability
Property.
In a specific embodiment, main power supply module 1 is using two power supplys power supply altogether, main power source VCC1 power supplies
28V/40A, surge power supply VCC2 power supply are 80V/40A；Main power source VCC1 output ends are connected to isolation power supply module 2 and also passed through
First diode D1 is connected to external delivery point E1, and the first isolation isolation of power supply circuit 21 and second of isolation power supply module 2 supplies
Module 3 occurs to square wave respectively for circuit 22 and drive module 4 provides operating voltage, wherein, the first isolation power supply circuit 21 is defeated
Go out 5V voltages and the second isolation power supply circuit 22 exports 15V voltages；And surge power supply VCC2 output end is then passed through successively
IGBT11 and the second diode D2 is with being connected to external delivery point E1.In normal operation, IGBT11 is off state,
Only main power source VCC1 is powered to product to be measured, and product to be measured is in normal operating conditions；When needing that product to be measured is entered
During row surge test, by pushing button switch 6 driving pulses generation, one 5V square-wave pulse signal of the output of module 3 and then leading to again
Cross optical coupling unit 5 to export to drive module 4, drive module 4 believes the square-wave pulse after receiving the square-wave pulse signal
Number carry out signal shaping and being amplified to the grid that 15V is output to IGBT11, make IGBT11 in the conduction state and then make surge electric
The surge voltage of source VCC2 outputs is loaded on product to be measured by IGBT11, the second diode D2 and external delivery point E1 successively
To carry out surge test to product to be measured.
Particular embodiments described above, the purpose of this utility model, technical scheme and beneficial effect are carried out to enter one
Step describes in detail, should be understood that and the foregoing is only specific embodiment of the utility model, is not used to limit this
The protection domain of utility model, it is all within the spirit and principles of the utility model, any modification for being made, equivalent substitution, change
Enter, should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of high current surge generator, including main power supply module, isolation power supply module, pulse generating module and driving mould
Block, it is characterised in that：The main power supply module includes IGBT, main power source VCC1 altogether and surge power supply VCC2, the surge
Power supply VCC2 output end is connected to IGBT drain electrode, and the source electrode of the IGBT is connected to provides the external of voltage to product to be measured
Output end；The output end of the main power source VCC1 is divided into two-way and is respectively connecting to the external delivery point and isolation power supply module,
And isolate power supply module output end and be divided into two-way, wherein, isolate the first via output end of power supply module and for connecting outside
The external input of power supply is connected to pulse generating module, isolates the second tunnel output end and pulse generating module of power supply module
Output end be additionally coupled to the drive module, the output end of the drive module is connected to IGBT grid.
2. high current surge generator according to claim 1, it is characterised in that：The main power source VCC1 and external output
Be also associated with the first diode D1 turned on along main power source VCC1 to external delivery point direction between end, the source electrode of the IGBT with
The the second diode D2 turned on along IGBT source electrode to external delivery point direction is also associated between external delivery point.
3. high current surge generator according to claim 1, it is characterised in that：The isolation power supply module includes input
End be electrically connected to main power source VCC1 output end first isolation power supply circuit and second isolation power supply circuit, described first every
Output end from power supply circuit isolates the output end of power supply circuit as the first via output end for isolating power supply module, described second
The second tunnel output end as isolation power supply module.
4. the high current surge generator according to claim 1 or 3, it is characterised in that：The pulse generating module is with driving
It is attached between dynamic model block by optical coupling unit, the optical coupling unit includes light emitting diode D3, the light-emitting diodes
Pipe D3 anode is connected to the output end of pulse generating module, the minus earth of the light emitting diode D3, the optical coupling list
The low level output end and high-order output end of member are respectively connecting to drive module.
5. high current surge generator according to claim 4, it is characterised in that：The drive module include be connected to every
From the first resistor R1 of the second tunnel output end of power supply module, the first resistor R1 other end is connected to the first triode Q1 and
Two triode Q2 base stage, the colelctor electrode of the first triode Q1 are connected to the second tunnel output end of isolation power supply module, institute
The emitter stage for stating the first triode Q1 is respectively connecting to IGBT grid and the second triode Q2 emitter stage, the two or three pole
Pipe Q2 base stage is additionally coupled to the low level output end of optical coupling unit, the grounded collector of the second triode Q2 and also distinguishes
It is connected to the high-order output end of optical coupling unit and IGBT source electrode.
6. high current surge generator according to claim 5, it is characterised in that：The drive module is also included located at the
Second resistance R2 between one triode Q1 emitter stage and IGBT grid, first electric capacity in parallel with the second resistance R2
C1, one end that the second resistance R2 is connected to IGBT grid are also connected with forward conduction in turn between IGBT source electrode
3rd diode D4 and the 4th diode D5 reversely ended and the string with the 3rd diode D4 and the 4th diode D5
Conjuncted 3rd resistor R3 in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720193865.3U CN206657038U (en) | 2017-03-01 | 2017-03-01 | High current surge generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720193865.3U CN206657038U (en) | 2017-03-01 | 2017-03-01 | High current surge generator |
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|---|---|
| CN206657038U true CN206657038U (en) | 2017-11-21 |
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| CN201720193865.3U Active CN206657038U (en) | 2017-03-01 | 2017-03-01 | High current surge generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888072A (en) * | 2017-12-14 | 2018-04-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Appliances power source control device and control method |
-
2017
- 2017-03-01 CN CN201720193865.3U patent/CN206657038U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888072A (en) * | 2017-12-14 | 2018-04-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Appliances power source control device and control method |
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