CN202261076U - Single pulse power supply - Google Patents
Single pulse power supply Download PDFInfo
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- CN202261076U CN202261076U CN201120353903XU CN201120353903U CN202261076U CN 202261076 U CN202261076 U CN 202261076U CN 201120353903X U CN201120353903X U CN 201120353903XU CN 201120353903 U CN201120353903 U CN 201120353903U CN 202261076 U CN202261076 U CN 202261076U
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Abstract
The utility model relates to a single pulse power supply. The single pulse power supply comprises a central control unit, an input setting unit, a photoelectric isolation unit, and a drive unit, wherein the control signal output end of the input setting unit is connected with the control signal input end of the central control unit; the pulse control signal input end of the photoelectric isolation unit is connected with the pulse power control signal output end of the central control unit; the pulse power control signal output end of the photoelectric isolation unit is connected with the pulse power control signal input end of the drive unit; and the pulse power control signal output end of the drive unit is the pulse power output end of the single pulse power supply. Therefore, the frequencies and the break-to-make ratios of the voltage, the current and the pulse can be modified and set.
Description
Technical field
The utility model relates to a kind of power supply, is specifically related to a kind of pulse power supply.
Background technology
In the oxidation or electroplating process of metal material, use the DC power supply and the pulse power usually.Use the pulse power to electroplate; In the pulse plating process, when current lead-through, pulse (peak value) electric current is equivalent to several times even tens times of conventional dc electric current; This instantaneous high current density reduces metal ion under high overpotential just, thereby sedimentary deposit crystal grain is attenuated; When electric current turn-offs; Discharge ion returns to initial concentration again near the cathodic region; Concentration polarization is eliminated, and this is beneficial to the next pulse cycle and continues to use high pulse (peak value) current density, turn-offs simultaneously in the phase also with to phenomenons such as the favourable recrystallization of sedimentary deposit, adsorption desorptions.Such process periodically runs through the whole story of whole electroplating process; Facts have proved that the pulse power has incomparable superiority at crystallization of refinement than traditional direct current electrode position, anticorrosive preferably and antiwear property are arranged; And crackle is few, and stronger plating ability and electroplating quality are preferably arranged; Simultaneously, pulse plating is improving the coating physical and chemical performance, and there is incomparable superiority aspects such as saving precious metal than traditional direct current electrode position.Because the above-mentioned obvious advantage on performance, pulse technology is used widely, and the pulse power then is the key equipment in the pulse technology.
The unidirectional pulse electric current that the pulse power supply output parameter of prior art is fixing, its various parameters all are predefined, above-mentioned various parameters all can't change in the course of work; Generally to revise parameter; Just must after shutdown, reset, so in use, be difficult to even the various parameters of the paired pulses power supply of having no idea; Make amendment according to actual needs and set such as frequency, the make-to-break ratio of voltage, electric current, pulse, this has directly influenced the result of use of pulse power supply.Said unidirectional pulse is meant the impulse waveform that the sense of current does not change in time.
The utility model content
For this reason, the utility model is to be solved to be the technical problem that having no idea of fixedly bringing of existing pulse power parameter made amendment according to actual needs and set the various parameters of the pulse power in the work, and a kind of novel pulse power supply is provided.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is following:
A kind of pulse power supply is provided, comprises:
Central control unit;
The input setup unit, the control signal output ends of said input setup unit links to each other with the signal input end of said central control unit;
The photoelectricity isolated location, the pulse power source control signal input part of said photoelectricity isolated location links to each other with the pulse power source control signal output part of said central control unit;
Driver element; The pulse power source control signal input part of said driver element links to each other with the pulse power source control signal output part of said photoelectricity isolated location, and the pulse power source control signal output part of said driver element is the pulse power output of said pulse power supply.
Also comprise:
The temperature detecting unit that links to each other with the temperature signal input of said central control unit;
The current detecting unit that links to each other with the current signal input of said central control unit;
With the short-circuit protection unit that the short-circuit detection signal input of said central control unit links to each other, said short-circuit protection unit comprises comparator and the photoelectrical coupler that links to each other with said comparator output terminal.
Said driver element comprises OCL circuit and IGBT drive circuit; Said IGBT drive circuit is formed in parallel by three IGBT pipes; The output of said OCL circuit links to each other with the grid of three IGBT pipes of said IGBT drive circuit; The input of said OCL circuit is the pulse power source control input of said driver element, and the emitter of three IGBT pipes of said IGBT drive circuit is the pulse power output of said pulse power supply.
Also comprise one second diode D2, the positive pole of the said second diode D2 links to each other with the output of said pulse power supply, and the negative pole of the said second diode D2 is the pulse power output of said pulse power supply.
Also comprise:
The Programmable Watchdog unit, the pilot signal output of said Programmable Watchdog unit links to each other with the pilot signal input of said central control unit;
Output unit, the output signal input part of said output unit links to each other with the output signal output part of said central control unit.
Said central control unit is a single-chip microcomputer; Said input setup unit is a keyboard; Said output unit is a display screen.
The technique scheme of the utility model is compared prior art and is had the following advantages:
The pulse power of the utility model comprises central control unit, input setup unit, photoelectricity isolated location and driver element; Thereby can make amendment and set the frequency of voltage, electric current, pulse and make-to-break ratio.
The utility model has also adopted the Programmable Watchdog unit, thereby when single chip microcomputer halt, can automatically reset, and has guaranteed that the pulse parameter of setting can not lost.
The utility model has also adopted temperature detecting unit, current detecting unit and short-circuit protection unit, and the size of displays temperature value and current value, has guaranteed the stability and the reliability of its work.
Description of drawings
For the content that makes the utility model is more clearly understood,, the utility model is done further detailed explanation, wherein below according to the specific embodiment of the utility model and combine accompanying drawing
The pulse power supply architecture block diagram of an embodiment of Fig. 1 the utility model;
Fig. 2 is a driver element electrical block diagram shown in Fig. 1.
Reference numeral is expressed as among the figure: 10-central control unit, 11-Programmable Watchdog unit, 12-temperature detecting unit; 13-imports setup unit, 14-current detecting unit, 15-short-circuit protection unit; The 16-output unit, 17-photoelectricity isolated location, 18-driver element; The 181-OCL circuit, the 182-IGBT drive circuit.
Embodiment
Referring to illustrated in figures 1 and 2, the output unit 16 that photoelectricity isolated location 17 and driver element 18, Programmable Watchdog unit 11, the display screen that the pulse power supply of an embodiment of the utility model comprises central control unit 10, be made up of a photoelectrical coupler U1 constitutes, the input setup unit 13 that keyboard constitutes, the temperature detecting unit 12 that links to each other with the temperature signal input of said central control unit 10, current detecting unit 14 that links to each other with the current signal input of said central control unit 10 and the short-circuit protection unit 15 that links to each other with the short-circuit detection signal input of said central control unit 10.
The pulse power source control signal output part of said central control unit 10 connects the pulse power source control signal input part of the said photoelectricity isolated location 17 of said photoelectrical coupler U1 formation, the i.e. input of photoelectrical coupler U1; The pulse power source control output of said photoelectricity isolated location 17, the pulse power source control input of the said driver element 18 of output termination of promptly said photoelectrical coupler U1.
Said driver element 18 comprises the OCL (abbreviation of Output CapacitorLess; The meaning is for saving the power amplification circuit of the big electric capacity of output) circuit 181 and the IGBT (abbreviation of Insulated Gate Bipolar Transistor; Meaning insulated gate bipolar transistor is that double pole triode and MOS are the compound full-control type voltage driven type power semiconductor that insulating gate type field effect tube is formed by BJT) drive circuit 182.Thereby make said IGBT drive circuit 182 have higher operating voltage, higher operating current and perfect heat-dissipating.
Said OCL circuit 181 is made up of resistance R 1, R2, R3 and R4, triode T1, T2 and T3, the first diode D1.Wherein, the positive pole of the said first diode D1 links to each other with an end of said resistance R 1, and its tie point links to each other with the output of said photoelectrical coupler U1; The negative pole of the said first diode D1 links to each other the other end ground connection of said resistance R 2 with an end of said resistance R 2 and the base stage of said triode T1; The other end of said resistance R 1 links to each other with an end of said resistance R 3, its tie point connection+15V DC power supply; The other end of said resistance R 3 links to each other with an end of said resistance R 4; Its tie point links to each other with the collector electrode of said triode T1; The grounded emitter of said triode T1, the other end of said resistance R 4 link to each other with the base stage of said triode T2 and said triode T3 respectively; The collector electrode of said triode T2 connects+the 15V DC power supply, and the collector electrode of said triode T3 connects-the 5V DC power supply.The tie point of the emitter of said triode T2 and said triode T3 is the output of said OCL circuit 181, links to each other with the grid that three IGBT of said IGBT drive circuit 182 manage respectively through resistance R 6, R7 and R8.
IGBT pipe I1, IGBT pipe I2 and IGBT pipe I3 parallel connection in the said IGBT drive circuit 182, resistance R 9, R10 and R11 are serially connected between the grid and emitter of said IGBT pipe I1, IGBT pipe I3 and IGBT pipe I2 successively.The collector electrode of said IGBT pipe I1, IGBT pipe I2 and IGBT pipe I3 connects 0 to 50V DC power supply.
The emitter of said IGBT pipe I1, IGBT pipe I2 and IGBT pipe I3 is the output of said IGBT drive circuit; Connect the positive pole of the second diode D2; The negative pole of the said second diode D2 is the power output end of said pulse power supply, the input end grounding of the pulse power of said dc pulse superposition power supply.
Model is that the pilot signal output termination model of the said Programmable Watchdog unit 11 of X25045 is the pilot signal input of the said central control unit 10 of 89C51; The shows signal input of the said output unit 16 of shows signal output termination of said central control unit 10, the control signal output ends of said input setup unit 13 connects the signal input end of said central control unit 10.Wherein, Said X25045 is the built-in EEPROM (abbreviation of Electrically Erasable Programmable Read-Only Memory; The meaning is EEPROM; Be the storage chip that data are not lost after a kind of power down commonly used) storage chip, be used for storage to set pulse parameter, in case obliterated data when shutting down.
Said short-circuit protection unit 15 comprises comparator and the photoelectrical coupler that links to each other with said comparator output terminal.
Said temperature detecting unit 12 is used for keeping watch on the ruuning situation that said IGBT manages with said current detecting unit 14.Because electric current to be measured is a pulse current; With the pulse voltage signal that becomes 0～5V behind this signal condition; Deliver to analog switch; With the output pulse signal of the 89C51 control signal as analog switch, switch is provided with an amplifier follower at the back, and said amplifier follower is held in the same way and connect 0.1uF electric capacity over the ground.Pulse is between high period, the analog switch conducting, and to electric capacity charging, between low period, analog switch breaks off, capacitor discharge, because charging discharge slowly soon, follower is exported is the pulse signal peak value.Temperature detection adopts the DS1820 integrated temperature sensor, and measuring range is from-55～+ 125 ℃.
When short circuit takes place in electroplating the course of work protection power circuit especially the IGBT pipe exempt from damage, so short-circuit protection unit 15 is set, adopt comparator LM339 that current sampling is detected in the said short-circuit protection unit 15.When the phenomenon that is short-circuited produced very big short circuit current, comparator was sent out interrupt request singal through photoelectrical coupler to single-chip microcomputer 89C51, in interrupt service routine, stopped paying out pulse and sent warning signal, and after several seconds, sent out pulse more again.As not eliminating yet, with powered-down through the short circuit of having no progeny in twice.
The panel of said single-chip microcomputer 89C51 has three four displays, respectively display voltage, electric current and pulse parameter.
The pulse Power Operating Process of the utility model is concrete to be discussed as follows: said central control unit 10 powers on behind the system initialization; CPU (abbreviation of Central Processing Unit, looking like is central processing unit) reads information such as frequency among the EEPROM, break-make timing when; The back is according on the display screen of said output unit 16, show the interface that is provided with that gets into frequency, make-to-break ratio computing cycle T or basic timing from the user selection signal of said input setup unit 13; The user can carry out the setting of frequency, make-to-break ratio, timing on this interface, and accomplishes the test to temperature, guarantees to set in the course of the work the various parameters of said pulse power supply.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to execution mode.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all execution modes.And conspicuous variation of being extended out thus or change still are among the protection range of the utility model.
Claims (6)
1. pulse power supply is characterized in that: comprising:
Central control unit;
The input setup unit, the control signal output ends of said input setup unit links to each other with the signal input end of said central control unit;
The photoelectricity isolated location, the pulse power source control signal input part of said photoelectricity isolated location links to each other with the pulse power source control signal output part of said central control unit;
Driver element; The pulse power source control signal input part of said driver element links to each other with the pulse power source control signal output part of said photoelectricity isolated location, and the pulse power source control signal output part of said driver element is the pulse power output of said pulse power supply.
2. pulse power supply according to claim 1 is characterized in that: also comprise:
The temperature detecting unit that links to each other with the temperature signal input of said central control unit;
The current detecting unit that links to each other with the current signal input of said central control unit;
With the short-circuit protection unit that the short-circuit detection signal input of said central control unit links to each other, said short-circuit protection unit comprises comparator and the photoelectrical coupler that links to each other with said comparator output terminal.
3. pulse power supply according to claim 2 is characterized in that: said driver element comprises OCL circuit and IGBT drive circuit; Said IGBT drive circuit is formed in parallel by three IGBT pipes; The output of said OCL circuit links to each other with the grid of three IGBT pipes of said IGBT drive circuit; The input of said OCL circuit is the pulse power source control input of said driver element, and the emitter of three IGBT pipes of said IGBT drive circuit is the pulse power output of said pulse power supply.
4. according to the arbitrary described pulse power supply of claim 1-3; It is characterized in that: also comprise one second diode D2; The positive pole of the said second diode D2 links to each other with the output of said pulse power supply, and the negative pole of the said second diode D2 is the pulse power output of said pulse power supply.
5. pulse power supply according to claim 4 is characterized in that: also comprise: the Programmable Watchdog unit, and the pilot signal output of said Programmable Watchdog unit links to each other with the pilot signal input of said central control unit;
Output unit, the output signal input part of said output unit links to each other with the output signal output part of said central control unit.
6. pulse power supply according to claim 5 is characterized in that: said central control unit is a single-chip microcomputer; Said input setup unit is a keyboard; Said output unit is a display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120353903XU CN202261076U (en) | 2011-09-20 | 2011-09-20 | Single pulse power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120353903XU CN202261076U (en) | 2011-09-20 | 2011-09-20 | Single pulse power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202261076U true CN202261076U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120353903XU Expired - Fee Related CN202261076U (en) | 2011-09-20 | 2011-09-20 | Single pulse power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202261076U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104702142A (en) * | 2015-02-13 | 2015-06-10 | 北京星航机电装备有限公司 | Single pulse power supply |
| CN106208630A (en) * | 2016-07-20 | 2016-12-07 | 广东双核电气有限公司 | Mono pulse control system |
-
2011
- 2011-09-20 CN CN201120353903XU patent/CN202261076U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104702142A (en) * | 2015-02-13 | 2015-06-10 | 北京星航机电装备有限公司 | Single pulse power supply |
| CN104702142B (en) * | 2015-02-13 | 2018-02-02 | 北京星航机电装备有限公司 | A kind of individual pulse power supply and its control method |
| CN106208630A (en) * | 2016-07-20 | 2016-12-07 | 广东双核电气有限公司 | Mono pulse control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING RUIANT TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CUI JIANXUN Effective date: 20130419 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130419 Address after: 100079, Beijing, Fengtai District, Shun three, No. 2, No. 21 building, 12A03 Patentee after: Beijing Ruiant Technology Co., Ltd. Address before: 100079, Beijing, Fengtai District, Shun three, No. 2, No. 21 building, 12A03 Patentee before: Cui Jianxun |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160616 Address after: 100000 No. 15, building 18, building 3005, Jianguo Road, Beijing, Chaoyang District Patentee after: Cui Jianxun Address before: 100079, Beijing, Fengtai District, Shun three, No. 2, No. 21 building, 12A03 Patentee before: Beijing Ruiant Technology Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Long Shi (Beijing) Nano Technology Co., Ltd. Assignor: Cui Jianxun Contract record no.: 2016990000267 Denomination of utility model: Single pulse power supply Granted publication date: 20120530 License type: Exclusive License Record date: 20160705 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20160920 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |