CN206712679U - A kind of low cost high power long pulse, which is leapt high, pushes up flat high-voltage pulse power source - Google Patents

Abstract

The utility model discloses a kind of low cost high power long pulse and leapt high the flat high-voltage pulse power source in top, and it includes main high-voltage energy storage part and benefit falls part, and its main high-voltage energy storage part is folded to be lined with benefit and fall part；The main high-voltage energy storage part includes main high-voltage energy storage charge power supply, main storage capacitor array, discharge switch and clamper bypass diode；The benefit falls partly including segmentation benefit to fall partly falls part with being mended in section, it, which is segmented benefit and falls part, includes that segmentation benefit falls charge power supply, segmentation benefit falls capacitor array, mends and falls switch and clamper bypass diode, portion of falling is mended in its section includes mending in section falling to mend in charge power supply, section and fall electric capacity, change-over switch and clamper bypass diode.High-voltage pulse power source of the present utility model can be on the premise of functional parameter be met, the capacity of high-voltage energy storage capacitor is greatly reduced, so as to which the cost of manufacture of high-voltage pulse power source be greatly reduced, reduce equipment volume weight, and the safety and reliability that equipment uses is improved, user is obtained high performance high-voltage pulse power source with relatively low expense.

Description

A kind of low cost high power long pulse, which is leapt high, pushes up flat high-voltage pulse power source

Technical field

High voltage power supply technical field is the utility model is related to, a kind of low cost high power long pulse is particularly related to and leaps high Push up flat high-voltage pulse power source.

Background technology

Large power long pulse Gao Dingping high-voltage pulse power source is that one kind can be widely applied to the skills such as national defence, medical treatment, environmental protection The electronic equipment in art field, its power is up to more than several megawatts, and its pulsewidth is up to second level, and pulse top is landed and pulse top Ripple have relatively be strict with, its charge and discharge process can single work also continuously repeat work.Typical high power long pulse is leapt high Flat high-voltage pulse power source is pushed up, typically there are two kinds of ways, the first way is to use large power supply direct power supply, for example is exported one second Clock 3MW high-voltage pulse, just uses 3MW power frequency power supply, and rectified filtering and switch directly export 3MW, this mode It is very high to power reguirements；Second is to configure power supply according to mean power, its electrical structure block diagram as shown in figure 1, this Kind way need to use many high-voltage energy storage impulse capacitors, first fully charged to high-voltage energy storage pulsed capacitance, then be led by switch It is logical to allow capacitor discharge, output also is powered to reduce the amplitude of condenser voltage landing with power supply during electric capacity discharges, this Kind of method not only needs the electric capacity of very big capacitance to store electricity to the flat desired high-voltage pulse power source in the high top of large power long pulse Can, the cost of manufacture, volume and weight for directly contributing high-voltage pulse power source are significantly increased greatly, and discharge energy of striking sparks is very big, Easily load is caused to damage, protection is also highly difficult.The cost of manufacture of above two way is very high, and this also directly makes to user Into financial burden.

Utility model content

For the above-mentioned deficiency of existing large power long pulse Gao Dingping high-voltage pulse power source, the purpose of this utility model is There is provided a kind of low cost high power long pulse to leap high the flat high-voltage pulse power source in top, this high-voltage pulse power source can meet functional parameter On the premise of, the cost of manufacture of high-voltage pulse power source is greatly reduced by the way that the capacity of high-voltage energy storage capacitor is greatly reduced, and carry The safety and reliability that high equipment uses, user is set to obtain high performance high-voltage pulse power source with relatively low expense.

The technical solution of the utility model is：A kind of low cost high power long pulse, which is leapt high, pushes up flat high-voltage pulse power source, it Fall part including main high-voltage energy storage part and benefit, its main high-voltage energy storage part is folded to be lined with benefit and fall part；The main high-voltage energy storage portion Dividing includes main high-voltage energy storage charge power supply E₁, main storage capacitor array C₁₁~C_1m, discharge switch K₁₁~K_1mAnd clamper bypasses two poles Pipe D₁₁~D_1m, it switchs K_1iPositioned at electric capacity C_1iIt is high-end with diode D_1iIt is high-end between；The benefit, which falls part, includes segmentation Benefit falls part and falls part with being mended in section, and its segmentation benefit falls part and falls charge power supply E including segmentation benefit₂, segmentation benefit fall capacitor array C₂₁~C_2n, mend fall switch K₂₁~K_2nAnd clamper bypass diode D₂₁~D_2n, switch K_2iPositioned at electric capacity C_2iHigh-end and diode D_2iIt is high-end between, portion of falling mended in its section include mending in section and fall charge power supply E₃, mend in section and fall electric capacity C₃₁And C₃₂, change-over switch K₃ And clamper bypass diode D₃, its electric capacity C₃₁And C₃₂With diode D₃Low side between electrically connect, its switch K₃Take turns two poles of changing commanders Pipe D₃It is high-end with electric capacity C₃₁Or electric capacity C₃₂High-end connection, its equivalent load resistance R_eU_hEnd is connected electrically in switch K₁₁With two Pole pipe D₁₁Between connecting line on, equivalent load resistance R_eU_lEnd is connected electrically in electric capacity C₃₂With diode D₃Between connecting line On.

Preferably, mend in described section and fall charge power supply E₃For high frequency charging electric power.

Further, the change-over switch K₃For semiconductor quick converting switch.

Further, the discharge switch K₁₁~K_1mIt is distributed and switchs for semiconductor.

Further, the benefit falls switch K₂₁~K_2nFor semiconductor switch.

Further, described high-voltage pulse power source also includes controller, controller controlling switch K₁₁~K_1m、Switch K₂₁~ K_2nAnd switch K₃Break-make.

Operation principle of the present utility model：It is that long-pulse discharge is divided into the short discharge pulse electric discharge of continuous multi-stage, long pulse Wash open to mend in the main high-voltage energy storage part of first paragraph and section of beginning and fall part start-up operation, main high-voltage energy storage partial switch conducting electric discharge Capacitance voltage declines, and is mended in section and falls electric capacity C₃₁Charging voltage is synchronously begun to ramp up, and total voltage pulse output is constant, as electric capacity C₃₁ Voltage rises to segmentation benefit and falls electric capacity C_2iMagnitude of voltage when, switch K₃Immediately from electric capacity C₃₁High-end disconnection be transferred to magnitude of voltage and be Zero volt electric capacity C₃₂It is high-end on, while mend fall switch K₂₁Electric capacity C is supplied in closure conducting₃₁The magnitude of voltage of disconnection, mend segmentation and fall electricity Hold C₂₁With main storage capacitor C₁₁Discharged in series, first paragraph pulsed discharge and benefit fall end and enter second segment.Worked the phase in second segment Between, segmentation benefit falls electric capacity and main energy storage capacitor in series discharge voltage declines, and is mended in section and falls charge power supply E₃Start to fall to benefit in section Electric capacity C₃₂Charging voltage synchronously rises, and makes total output voltage constant, electric capacity C₃₁Electric discharge, as electric capacity C₃₂Voltage rises to benefit and falls electricity Hold C_2iMagnitude of voltage when, switch K₃Immediately from electric capacity C₃₂High-end upper disconnection be transferred to voltage and discharged into zero capacitance C₃₁'s On high-end, while mend and fall switch K₂₂Closure conducting, supplies electric capacity C₃₂The magnitude of voltage of disconnection, segmentation benefit fall electric capacity C₂₂Also assist in master The electric discharge of storage capacitor, second segment electric discharge terminates to enter the 3rd section of electric discharge, by that analogy, until long pulse terminates.

Compared with traditional high-voltage pulse power source, the utility model beneficial effect is：

1st, the capacity of high-voltage energy storage capacitor on the premise of functional parameter is met, can be greatly reduced in this high-voltage pulse power source, So as to which the cost of manufacture of high-voltage pulse power source be greatly reduced, equipment volume weight is reduced, and improve what high-voltage pulse power source used Safety and reliability, user is set to obtain high performance high-voltage pulse power source with relatively low expense；

2nd, this high-voltage pulse power source can also improve the functional parameter of the pulse power on the premise of functional parameter is met, make arteries and veins Portion's voltage rush to summit without falling, and pulse top is smoother；

3rd, this high-voltage pulse power source, due to the storage energy of high-voltage energy storage capacitor is greatly reduced, when load is struck sparks Easily protect, therefore improve the security of high-voltage pulse power source；

4th, for the main high-voltage energy storage charge power supply of main high-voltage energy storage part, main storage capacitor and discharge switch using packet The high-voltage pulse power source of profile, due to being taken when designing the group number of main high-voltage energy storage part and segmentation is mended and falls the group number of part Multigroup redundancy group number design, and at every group all take Fault Isolation measure, when one of which or it is multigroup break down when, Equipment remains to normal work, therefore improves high-voltage pulse power source reliability of operation.

Brief description of the drawings

Fig. 1 leaps high for typical high power long pulse and pushes up flat high-voltage pulse power source electrical structure block diagram；

Fig. 2 is electrical structure block diagram of the present utility model；

Fig. 3 is the impulse waveform of the main storage capacitor of the utility model；

Fig. 4 is that the impulse waveform fallen is mended in the utility model segmentation；

Fig. 5 is that the voltage oscillogram fallen is mended in the utility model section；

Fig. 6 is impulse waveform of the present utility model.

Embodiment

The utility model is further detailed with reference to specific embodiment.

Implementation column：

Referring to Fig. 2 to Fig. 6, high-voltage pulse power source of the present utility model, it includes main high-voltage energy storage part and benefit falls part, Its main high-voltage energy storage part is folded to be lined with benefit and falls part；The main high-voltage energy storage part includes main high-voltage energy storage charge power supply E₁, it is main Storage capacitor array C₁₁~C_1m, discharge switch K₁₁~K_1mAnd clamper bypass diode D₁₁~D_1m, it switchs K_1iPositioned at electric capacity C_1i It is high-end with diode D_1iIt is high-end between；The benefit falls partly including segmentation benefit to fall partly falls part with being mended in section, its segmentation Benefit falls part and falls charge power supply E including segmentation benefit₂, segmentation benefit fall capacitor array C₂₁~C_2n, mend fall switch K₂₁~K_2nAnd by clamper Road diode D₂₁~D_2n, switch K_2iPositioned at electric capacity C_2iIt is high-end with diode D_2iIt is high-end between, the portion of falling is mended in its section to be included Mended in section and fall charge power supply E₃, mend in section and fall electric capacity C₃₁And C₃₂, change-over switch K₃And clamper bypass diode D₃, its electric capacity C₃₁With C₃₂With diode D₃Low side between electrically connect, its switch K₃Take turns the diode D that changes commanders₃It is high-end with electric capacity C₃₁Or electric capacity C₃₂Height Termination is logical, its equivalent load resistance R_eU_hEnd is connected electrically in switch K₁₁With diode D₁₁Between connecting line on, equivalent load Resistance R_eU_lEnd is connected electrically in electric capacity C₃₂With diode D₃Between connecting line on.Mended in described section and fall charge power supply E₃For height Frequency charge power supply.The change-over switch K₃For semiconductor quick converting switch.The discharge switch K₁₁~K_1mIt is distributed for semiconductor Switch.The benefit falls switch K₂₁~K_2nFor semiconductor switch.Described high-voltage pulse power source also includes controller, controller control System switch K₁₁~K_1m、Switch K₂₁~K_2nAnd switch K₃Break-make.

When needing to equivalent load resistance R_eApply pulse voltage U_mFor 55KV, pulse current I_mFor 45A, pulse width when Between t be 1S, top drop require less than 1% high-voltage pulse power source when.Such as leapt high using typical high power long pulse and push up flat high-voltage pulse Power supply, its high-voltage energy storage impulse capacitor C need to could meet that 1% top drop requires with 82000 μ F；Such as using of the present utility model High-voltage pulse power source, it is segmented benefit and falls 39 groups of part point, is mended in its section and fall 40 sections of part point, its main storage capacitor C_1iOnly need to use The top drop that 2000 μ F can be fully met is required, or even top drop is can be controlled in 0.1%.

A kind of embodiment of the present utility model is above are only, it is all in the utility model not to limit the utility model Spirit and principle within any modification equivalent substitution for being made and improvement, should be included in the scope of protection of the utility model it It is interior.

Claims (6)

1. The flat high-voltage pulse power source in top 1. a kind of low cost high power long pulse is leapt high, it is characterised in that：It includes main high-voltage energy storage Part and benefit fall part, and its main high-voltage energy storage part is folded to be lined with benefit and fall part；Stored up including main high pressure the main high-voltage energy storage part Can charge power supply E₁, main storage capacitor array C₁₁~C_1m, discharge switch K₁₁~K_1mAnd clamper bypass diode D₁₁~D_1m, it is opened Close K_1iPositioned at electric capacity C_1iIt is high-end with diode D_1iIt is high-end between；It is described benefit fall part include segmentation benefit fall part with section Benefit falls part, and its segmentation benefit falls part and falls charge power supply E including segmentation benefit₂, segmentation benefit fall capacitor array C₂₁~C_2n, mend fall switch K₂₁~K_2nAnd clamper bypass diode D₂₁~D_2n, switch K_2iPositioned at electric capacity C_2iIt is high-end with diode D_2iIt is high-end between, its Portion of falling is mended in section and falls charge power supply E including being mended in section₃, mend in section and fall electric capacity C₃₁And C₃₂, change-over switch K₃And clamper bypasses two poles Pipe D₃, its electric capacity C₃₁And C₃₂With diode D₃Low side between electrically connect, its switch K₃Take turns the diode D that changes commanders₃High-end and electric capacity C₃₁Or electric capacity C₃₂High-end connection, its equivalent load resistance R_eU_hEnd is connected electrically in switch K₁₁With diode D₁₁Between company In wiring, equivalent load resistance R_eU_lEnd is connected electrically in electric capacity C₃₂With diode D₃Between connecting line on.
2. 2. a kind of low cost high power long pulse, which is leapt high, according to claim 1 pushes up flat high-voltage pulse power source, it is characterised in that： Mended in described section and fall charge power supply E₃For high frequency charging electric power.
3. 3. a kind of low cost high power long pulse, which is leapt high, according to claim 1 pushes up flat high-voltage pulse power source, it is characterised in that： The change-over switch K₃For semiconductor quick converting switch.
4. 4. a kind of low cost high power long pulse, which is leapt high, according to claim 1 pushes up flat high-voltage pulse power source, it is characterised in that： The discharge switch K₁₁~K_1mIt is distributed and switchs for semiconductor.
5. 5. a kind of low cost high power long pulse, which is leapt high, according to claim 1 pushes up flat high-voltage pulse power source, it is characterised in that： The benefit falls switch K₂₁~K_2nFor semiconductor switch.
6. 6. a kind of low cost high power long pulse, which is leapt high, according to claim 1 pushes up flat high-voltage pulse power source, it is characterised in that： Described high-voltage pulse power source also includes controller, controller controlling switch K₁₁~K_1m、Switch K₂₁~K_2nAnd switch K₃It is logical It is disconnected.