CN203708136U - Heavy-current direct-current pulsed power supply - Google Patents
Heavy-current direct-current pulsed power supply Download PDFInfo
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- CN203708136U CN203708136U CN201420028031.3U CN201420028031U CN203708136U CN 203708136 U CN203708136 U CN 203708136U CN 201420028031 U CN201420028031 U CN 201420028031U CN 203708136 U CN203708136 U CN 203708136U
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- thyristor
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- 239000003990 capacitor Substances 0.000 claims abstract description 37
- 238000003860 storage Methods 0.000 claims description 29
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000004146 energy storage Methods 0.000 abstract 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model relates to a heavy-current direct-current pulsed power supply. The circuit of the power supply comprises a first branch circuit (100), a second branch circuit (200), a third thyristor (VS5), a fourth thyristor (VS6), a first rectifier (U1), a pulse generation controller (300), and a fifth transformer (TV7). To be specific, a first energy-storage capacitor and a first thyristor are connected in series to form the first branch circuit (100); a second energy-storage capacitor and a second thyristor are connected in series to form the second branch circuit (200); the third thyristor (VS5) is connected between a common terminal of the first energy-storage capacitor and the first thyristor and a power supply output terminal; the fourth thyristor (VS6) is connected between a common terminal of the second energy-storage capacitor and the second thyristor and the power supply output terminal; three alternating-current terminals of the first rectifier (U1) are connected with a power supply input terminal by a first transformer (TV1) and two direct-current terminals are connected with two ends of the first branch circuit; and with the pulse generation controller (300) and the fifth transformer (TV7), two paths of pulses with equal amplitudes and inverted phases are generated and alternative charging and discharging of the first energy-storage capacitor and the second energy-storage capacitor are controlled by the thyristors. With the power supply, the 600-Hz pulse current whose peak value can reach 20000 A can be generated.
Description
Technical field
The utility model relates to the pulse power, is specifically related to large peak current direct current pulse power source.
Background technology
High energy pulse power supply has a wide range of applications at the plastic working of metal material, the military project such as process of setting and organizational controls, high-frequency induction heating, surface heat processing, arc welding, pulse plating and high power laser light pump and the civil area of alloy.Most of time, practical application, except the pulsewidth of paired pulses electric current has certain restriction, also requires the output current of the pulse power to have high energy density, and the pulse power can be exported the pulse current of the large peak value of high-frequency.Such as, high frequency used is processed in the Electroplastic processing of metal material and large electric current can make the plasticity of metal material greatly strengthen, and resistance of deformation declines to a great extent, and the distortion of material is become easily, and size Control is more accurate.Therefore the high energy pulse power supply of, manufacturing stable low cost high frequency, large peak current is the target that industry is pursued always.
Most of direct current pulse power sources are to utilize the charging and discharging of capacitor to obtain pulse current, but owing to being subject to the restriction of supply voltage and electric elements self character, the frequency of pulse power output and peak current be restriction mutually often, and adopting prior art manufacture can obtain the pulse power that high frequency can obtain again large peak value is suitable difficulty.The Introduction To Cn Patent that the patent No. is ZL00268205.2 a kind of large current pulse power supply being formed by storage battery and Parallel-connected Capacitor, but its discharging current is only also 100A, and its pulse duration is 0.4ms, and operating frequency is 10Hz, is difficult to meet the instructions for use of modern industry.The patent No. is that the Chinese patent of ZL200820077173.3 discloses a kind of large power, electrically plastic working pulse current device, and it can provide at most 11 road parallel circuitss, every road maximum 300A, the altogether pulse current of maximum 3300A.The patent No. be ZL201120407621.3 Introduction To Cn Patent a kind of heavy current pulse power source device that can be used for kicker magnet, it is tens of hertz that frequency can be provided, pulsewidth is less than 600ns, pulse current peak is greater than the heavy current pulse power source device of 2100A, but its less frequency and Width Limitation its scope of application.As seen from the above, in the pulsewidth and frequency range of industrial extensive use, the Pulased power supply unit that manufacture pulse current peak is greater than 5000A does not also obtain substantial breakthrough.
Summary of the invention
The purpose of this utility model is to provide a kind of heavy DC pulse power.
A kind of heavy DC pulse power that the utility model provides, its circuit comprises:
The first branch road of the first storage capacitor and the first Thyristors in series composition;
The second branch road of the second storage capacitor and the second Thyristors in series composition, the second branch road and the first branch circuit parallel connection;
Be connected to the 3rd thyristor between common port and the power output end of the first storage capacitor and the first thyristor;
Be connected to the 4th thyristor between common port and the power output end of the second storage capacitor and the second thyristor;
The first rectifier, its three exchange end and are connect the three-phase input end of power supply, two DC terminal correspondences and connect by the first transformer the two ends of the first branch road;
Pulse generation controller, comprise two switching tubes, by the first coil and the second transformer forming with first tapped the second coil, by the 3rd transformer forming with the second tapped tertiary coil and the 4th coil, low-voltage direct source and the second rectifier, the e utmost point of two switching tubes and the first centre tap connect the output in low-voltage direct source, the extremely corresponding two ends that connect tertiary coil of the c of two switching tubes, the extremely corresponding two ends that connect the second coil of the b of two switching tubes, the second centre tap connects the ground end in low-voltage direct source, first coil one end connects a DC terminal of the second rectifier, the other end connects another DC terminal of the second rectifier by the 3rd electric capacity, three interchange ends of the second rectifier connect the three-phase input end of power supply by the 4th transformer, and
The 5th transformer, there is the 5th coil and the 6th coil and the 7th coil of being located at the same side, for exporting the contrary control impuls of two-way amplitude equal phase, the 5th coil is connected with the 4th coil, the common port of the 6th coil one termination the first thyristor and the 3rd thyristor, the other end connects the control end of the first thyristor by the first forward diode and connects the control end of the 3rd thyristor by the second backward diode, the common port of the 7th coil one termination the second thyristor and the 4th thyristor, the other end connects the control end of the second thyristor by the 3rd forward diode and connects the control end of the 4th thyristor by the 4th backward diode.
Further, the circuit of this heavy DC pulse power also comprises the 3rd rectifier, the 4th rectifier, the 6th transformer and the 7th transformer, three interchange ends of the 3rd rectifier connect the three-phase input end of power supply by the 6th transformer, two DC terminal correspondences connect the two ends of the first branch road, three interchange ends of the 4th rectifier connect the three-phase input end of power supply by the 7th transformer, two DC terminal of two DC terminal and the second rectifier also connect, at the beginning of the first transformer and the 4th transformer, secondary coil is Y-connection, the primary coil of the 6th transformer and the 7th transformer is that triangle is connected, secondary coil is Y-connection.
Further, the first storage capacitor two ends also connect the 5th diode, and the second storage capacitor two ends also connect the 6th diode.
This direct current pulse power source can produce the pulse current that 600Hz is above, peak value reaches 20000A.
Brief description of the drawings
Fig. 1 is the circuit diagram of the first embodiment heavy DC pulse power;
Fig. 2 is for wherein
the voltage waveform of point;
Fig. 3 is the circuit diagram of the second embodiment heavy DC pulse power.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 shows the circuit of the first embodiment heavy DC pulse power.As shown in Figure 1, this power circuit comprises: the first branch road 100 that the first storage capacitor C9 and the first thyristor VS4 are composed in series; The second branch road 200, the second branch roads 200 and the first branch road 100 parallel connections that the second storage capacitor C10 and the second thyristor VS7 are composed in series; Be connected to the 3rd thyristor VS5 between common port and the power output end of the first storage capacitor C9 and the first thyristor VS4; Be connected to the 4th thyristor VS6 between common port and the power output end of the second storage capacitor C10 and the second thyristor VS7.This power circuit also comprises the first rectifier U1, pulse generation controller 300 and the 5th transformer TV7.
Three interchange ends of the first rectifier U1 connect the three-phase input end of power supply by the first transformer TV1, two DC terminal correspondences of the first rectifier U1 connect the two ends of the first branch road 100.
Pulse generation controller 300 comprises: two switching tube VT1, VT2, by the first coil L1 and the second transformer TV5 forming with the second coil L2 of the first centre tap T1, the 3rd transformer TV6 being formed by the tertiary coil L3 with the second centre tap T2 and the 4th coil L4, low-voltage direct source 301, and the second rectifier U2.The e utmost point of two switching tube VT1, VT2 and the first centre tap T1 connect the output in low-voltage direct source 301, the extremely corresponding two ends that meet tertiary coil L3 of the c of two switching tube VT1, VT2, the extremely corresponding two ends that meet the second coil L2 of the b of two switching tube VT1, VT2, the second centre tap T2 connects the ground end in low-voltage direct source 301, a DC terminal of first coil L1 mono-termination the second rectifier U2, the other end meets the second rectifier U2 another DC terminal by the 3rd capacitor C 2, three interchange ends of the second rectifier U2 connect the three-phase input end of power supply by the 4th transformer TV3.
The 5th transformer TV7 has the 5th coil L5 and is located at the 6th coil L6 and the 7th coil L7 of the same side, for exporting the contrary control impuls of two-way amplitude equal phase, the 5th coil L5 is connected with the 4th coil L4, the common port of the 6th coil L6 mono-termination the first thyristor VS4 and the 3rd thyristor VS5, the other end connects the control end of the first thyristor VS4 by the first forward diode VD19 and connects the control end of the 3rd thyristor VS5 by the second backward diode VD20, the common port of the 7th coil L7 mono-termination the second thyristor VS7 and the 4th thyristor VS6, the other end connects the control end of the second thyristor VS7 by the 3rd forward diode VD27 and connects the control end of the 4th thyristor VS6 by the 4th backward diode VD26.
The course of work of this circuit is as follows: the pulse that pulse generation controller 300 is exported produces the contrary control impuls of two-way amplitude equal phase after the 5th transformer TV7, by first to fourth thyristor control the first storage capacitor C9 and alternately charging and discharging of the second storage capacitor C10, when i.e. the first storage capacitor C9 charging, the second storage capacitor C10 is to load output current, and when the second storage capacitor C10 charging, the first storage capacitor C9 is to load output current.In Fig. 1
the voltage waveform of point is respectively as in Fig. 2
shown in.It is the pulse current that 600Hz, peak value reach 20000A that this power supply can produce a frequency.
Further at the first storage capacitor C9 two ends and meet the 5th diode VD21, the second storage capacitor C10 two ends also meet the 6th diode VD25, be provided with in addition diode VD17, VD18, VD22, VD23, VD24, VD28, further to eliminate the first storage capacitor C9 and the second storage capacitor C10 influencing each other between discharging and recharging, improve the performance of the pulse power.
Fig. 3 shows the circuit of the second embodiment heavy DC pulse power.As shown in Figure 3, compared to the first embodiment, the second embodiment heavy DC pulse power supply circuit has increased by the 3rd rectifier U3, the 4th rectifier U4, the 6th transformer TV8 and the 7th transformer TV9, three interchange ends of the 3rd rectifier U3 connect the three-phase input end of power supply by the 6th transformer TV8, two DC terminal correspondences connect the two ends of the first branch road 100, three interchange ends of the 4th rectifier U4 connect the three-phase input end of power supply by the 7th transformer TV9, two DC terminal of two DC terminal and the second rectifier U2 also connect, at the beginning of the first transformer TV1 and the 4th transformer TV3, secondary coil is Y-connection, the primary coil of the 6th transformer TV8 and the 7th transformer TV9 is that triangle is connected, secondary coil is Y-connection.It is that 1200Hz, peak value reach pulse current more than 20000A that the second embodiment heavy DC pulse power can produce a frequency.
The first storage capacitor described in the utility model can be single electric capacity, also can be made up of a plurality of capacitances in series, parallel connection or connection in series-parallel.Equally, the second storage capacitor can be single electric capacity, also can be made up of a plurality of capacitances in series, parallel connection or connection in series-parallel.
Claims (3)
1. a heavy DC pulse power, is characterized in that, the circuit of this power supply comprises:
The first branch road (100) that the first storage capacitor (C9) and the first thyristor (VS4) are composed in series;
The second branch road (200) that the second storage capacitor (C10) and the second thyristor (VS7) are composed in series, the second branch road and the first branch circuit parallel connection;
Be connected to the 3rd thyristor (VS5) between common port and the power output end of the first storage capacitor (C9) and the first thyristor (VS4);
Be connected to the 4th thyristor (VS6) between common port and the power output end of the second storage capacitor (C10) and the second thyristor (VS7);
The first rectifier (U1), its three exchange end and are connect the three-phase input end of power supply, two DC terminal correspondences and connect by the first transformer (TV1) two ends of the first branch road;
Pulse generation controller (300), comprise two switching tube (VT1, VT2), the second transformer (TV5) being formed by the first coil (L1) and the second coil (L2) with the first centre tap (T1), the 3rd transformer (TV6) being formed by the tertiary coil with the second centre tap (T2) (L3) and the 4th coil (L4), low-voltage direct source (301) and the second rectifier (U2), the e utmost point of two switching tubes and the first centre tap connect the output in low-voltage direct source, the extremely corresponding two ends that connect tertiary coil of the c of two switching tubes, the extremely corresponding two ends that connect the second coil of the b of two switching tubes, the second centre tap connects the ground end in low-voltage direct source, first coil one end connects a DC terminal of the second rectifier, the other end connects another DC terminal of the second rectifier by the 3rd electric capacity (C2), three interchange ends of the second rectifier connect the three-phase input end of power supply by the 4th transformer (TV3), and
The 5th transformer (TV7), there is the 5th coil (L5) and be located at the 6th coil (L6) and the 7th coil (L7) of the same side, for exporting the contrary control impuls of two-way amplitude equal phase, the 5th coil is connected with the 4th coil, the common port of the 6th coil one termination the first thyristor (VS4) and the 3rd thyristor (VS5), the other end connects the control end of the first thyristor (VS4) by the first forward diode (VD19) and connects the control end of the 3rd thyristor (VS5) by the second backward diode (VD20), the common port of the 7th coil one termination the second thyristor (VS7) and the 4th thyristor (VS6), the other end connects the control end of the second thyristor (VS7) by the 3rd forward diode (VD27) and connects the control end of the 4th thyristor (VS6) by the 4th backward diode (VD26).
2. according to the heavy DC pulse power of claim 1, it is characterized in that: the circuit of this power supply also comprises the 3rd rectifier (U3), the 4th rectifier (U4), the 6th transformer (TV8) and the 7th transformer (TV9), three interchange ends of the 3rd rectifier connect the three-phase input end of power supply by the 6th transformer (TV8), two DC terminal correspondences connect the two ends of the first branch road, three interchange ends of the 4th rectifier connect the three-phase input end of power supply by the 7th transformer (TV9), two DC terminal of two DC terminal and the second rectifier also connect, at the beginning of the first transformer (TV1) and the 4th transformer (TV3), secondary coil is Y-connection, the 6th transformer (TV8) is that triangle is connected with the primary coil of the 7th transformer (TV9), secondary coil is Y-connection.
3. according to the heavy DC pulse power of claim 1, it is characterized in that: the first storage capacitor (C9) two ends also connect the 5th diode (VD21), the second storage capacitor (C10) two ends also connect the 6th diode (VD25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420028031.3U CN203708136U (en) | 2014-01-16 | 2014-01-16 | Heavy-current direct-current pulsed power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420028031.3U CN203708136U (en) | 2014-01-16 | 2014-01-16 | Heavy-current direct-current pulsed power supply |
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| Publication Number | Publication Date |
|---|---|
| CN203708136U true CN203708136U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420028031.3U Expired - Lifetime CN203708136U (en) | 2014-01-16 | 2014-01-16 | Heavy-current direct-current pulsed power supply |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111921097A (en) * | 2020-07-15 | 2020-11-13 | 华中科技大学 | Pulse power supply for rail-kicking magnet |
| CN114826088A (en) * | 2022-06-27 | 2022-07-29 | 深圳市固亿建材水泥制品有限公司 | Power device for automatic concrete skip |
-
2014
- 2014-01-16 CN CN201420028031.3U patent/CN203708136U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111921097A (en) * | 2020-07-15 | 2020-11-13 | 华中科技大学 | Pulse power supply for rail-kicking magnet |
| CN114826088A (en) * | 2022-06-27 | 2022-07-29 | 深圳市固亿建材水泥制品有限公司 | Power device for automatic concrete skip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xili of Tsinghua Patentee after: Shenzhen International Graduate School of Tsinghua University Patentee after: ZHENGDE ELECTRIC GROUP Co.,Ltd. Patentee after: HEILONGJIANG HONGQIAO METAL PRODUCTS Co.,Ltd. Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xili of Tsinghua Patentee before: GRADUATE SCHOOL AT SHENZHEN, TSINGHUA University Patentee before: HARBIN JINGDE WHOLE SET ELECTRIC Co.,Ltd. Patentee before: HEILONGJIANG HONGQIAO METAL PRODUCTS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |
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| CX01 | Expiry of patent term |