CN201699592U - Adjustable current-stabilizing type positive output electric breakdown high voltage module power supply - Google Patents
Adjustable current-stabilizing type positive output electric breakdown high voltage module power supply Download PDFInfo
- Publication number
- CN201699592U CN201699592U CN2010202238613U CN201020223861U CN201699592U CN 201699592 U CN201699592 U CN 201699592U CN 2010202238613 U CN2010202238613 U CN 2010202238613U CN 201020223861 U CN201020223861 U CN 201020223861U CN 201699592 U CN201699592 U CN 201699592U
- Authority
- CN
- China
- Prior art keywords
- circuit
- current
- resistance
- pin
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
Abstract
The utility model relates to an adjustable current-stabilizing type positive output electric breakdown high voltage module power supply, which comprises a power supply circuit packaged inside a casing and a plurality of wires welded on the power supply circuit. The power supply circuit comprises a voltage stabilizing circuit connected with a combined high voltage output circuit through a control circuit and a driving circuit, a high voltage feedback circuit and a current feedback circuit connected with the driving circuit and the combined high voltage output circuit respectively, and a current regulation and protection circuit connected with the current feedback circuit. The electric breakdown high voltage module power supply provided by the utility model changes the original fixed type current-stabilizing output to adjustable current-stabilizing output, resulting in enlarged application range and convenient and flexible use, and has over-voltage protection function for regulating current-stabilizing output external set-point voltage.
Description
Technical field
The utility model relates to a kind of high-tension ignition that is used for fuel oil, combustion gas, the adjustable constant current type positive output electric breakdown high-voltage module power supply in the aspect instrument and equipments such as commercial Application, scientific research, medical treatment, aviation such as ignite of gas laser.
Background technology
The electric breakdown high-voltage power supply product of the gas laser in fields such as fuel oil, combustion gas high-tension ignition and the scientific research of existing industrial aspect, medical treatment, aviation etc., majority is exported as fixed constant-current in using, occupation mode is more single, often is restricted in some scientific researches and practical application.Along with development in science and technology, the demand of adjustable current stabilization output electric breakdown high-voltage module power supply is more and more.
Summary of the invention
In view of the existing conditions of demand in market, the utility model provide a kind of volume little, be easy to PCB installation, reliability and the high adjustable constant current type positive output electric breakdown high-voltage module power supply of stability.
The utility model for achieving the above object, the technical scheme of being taked is: a kind of adjustable constant current type positive output electric breakdown high-voltage module power supply, comprise the power circuit that is encapsulated in the housing, be welded with several lead-in wires on the power circuit, power circuit comprises that voltage stabilizing circuit passes through control circuit, drive circuit is connected with the combined high pressure output circuit, described drive circuit is connected with current feedback circuit with the high pressure feedback circuit respectively with the combined high pressure output circuit, it is characterized in that: also comprise Current Regulation and protective circuit, described Current Regulation and protective circuit are connected with current feedback circuit; 1 pin of control chip U4A links to each other with 2 pin in described Current Regulation and the protective circuit, and connect an end of capacitor C 10 in the current feedback circuit by resistance R 12,3 pin of control chip U4A connect the positive pole of diode D17 and an end of resistance R 26 respectively, the other end of resistance R 26 connects an end of capacitor C 24 and resistance R 27 respectively, and as Current Regulation input Iadj, another termination input ground GND of capacitor C 24, the end of the negative pole difference connecting resistance R29 of diode D17 and 3 pin of source of stable pressure U5, another termination in-line power end Vcc of resistance R 29, the other end of the 1 pin difference connecting resistance R27 of source of stable pressure U5 and an end of resistance R 28, the other end of resistance R 28 links to each other with 2 pin of source of stable pressure U5 and meets input ground GND, 4 pin of control chip U4A meet input ground GND, and 8 pin of control chip U4A meet in-line power end Vcc; Described several lead-in wire is exposed to outside the housing, one side is three lead-in wires, by direct current supply input+Vin, input ground GND, Current Regulation input Iadj sequence arrangement, opposite side is two lead-in wires, by combination positive high voltage output+HV.Out, high pressure output ground HVG sequence arrangement.
The beneficial effects of the utility model are: the electric breakdown high-voltage module power supply of original fixed current stabilization output become adjustable current stabilization output, range of application enlarged, and easy to use, flexible; The external setting-up voltage of regulating current stabilization output had over-voltage protecting function.
Description of drawings
Fig. 1 is a profile schematic diagram of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the right view of Fig. 1.
Fig. 4 is that circuit of the present utility model connects block diagram.
Fig. 5 is circuit theory diagrams of the present utility model.
Embodiment
As Fig. 1,2,3,4, shown in 5, adjustable constant current type positive output electric breakdown high-voltage module power supply, comprise the power circuit that is encapsulated in the housing 1, be welded with several input supply lines and high-voltage output line 2 on the power circuit, power circuit comprises control circuit, drive circuit, voltage stabilizing circuit, the high pressure feedback circuit, current feedback circuit and combined high pressure output circuit, also comprise Current Regulation and protective circuit, voltage stabilizing circuit is connected with drive circuit by control circuit, drive circuit respectively with the high pressure feedback circuit, current feedback circuit and combined high pressure output circuit connect, the combined high pressure output circuit respectively with the high pressure feedback circuit, current feedback circuit connects, and Current Regulation and protective circuit are connected with current feedback circuit;
1 pin of control chip U4A links to each other with 2 pin in above-mentioned Current Regulation and the protective circuit, and connect an end of capacitor C 10 in the current feedback circuit by resistance R 12,3 pin of control chip U4A connect the positive pole of diode D17 and an end of resistance R 26 respectively, the other end of resistance R 26 connects an end of capacitor C 24 and resistance R 27 respectively, and as Current Regulation input Iadj, another termination input ground GND of capacitor C 24, the end of the negative pole difference connecting resistance R29 of diode D17 and 3 pin of source of stable pressure U5, another termination in-line power end Vcc of resistance R 29, the other end of the 1 pin difference connecting resistance R27 of source of stable pressure U5 and an end of resistance R 28, the other end of resistance R 28 links to each other with 2 pin of source of stable pressure U5 and meets input ground GND, 4 pin of control chip U4A meet input ground GND, and 8 pin of control chip U4A meet in-line power end Vcc;
The push-pull type oscillating circuit that employing is made up of the primary coil of control chip U1, driving transformer TRF1, triode T1, triode T2 and oscillation transformer TRF2 etc., the built-in oscillation frequency, by regulate, the control impuls width, reach the purpose of stable output.Circuit structure is simple, ignites, keeps two-supremes and press the output that unites two into one, and both automatically switch.Have output over-voltage protection, the back of igniting is that constant current output and output current are adjustable.
Select that low noise, low temperature float for use, the control chip of good stability and other components and parts; Rational PCB layout is guaranteed the independent pathway of each signal to reduce crosstalking mutually between each signal; At aspects such as transformer line pack arrangement technology, assembly technology and High-Voltage Insulation processing strict demand is arranged, guarantee reliability and stability that power supply is long-term.
This electric breakdown high-voltage module power supply adopts metal shell, and four jiaos of housing have via hole, are convenient to user's installation; Add complete deposited copper PCB cover plate, and, good electromagnetic shielding action is arranged, improve the antijamming capability of power supply frame ground.
Several lead-in wires 2 are exposed to outside the housing 1, one side is three lead-in wires 2, by direct current supply input+Vin, input ground GND, Current Regulation input Iadj sequence arrangement, opposite side is two lead-in wires 2, by combination positive high voltage output+HV.Out, high pressure output ground HVG sequence arrangement.
Operation principle: the integrated control chip U1 of PWM is adopted in the core of power circuit, its operating frequency height, and operating voltage range is wide, and totem pillar export structure constitutes push-pull type DC/DC converter circuit with drive circuit.
From 11 pin of control chip U1 and the PWM oscillation pulse signal of 14 pin both-ends output, directly connect isolation drive transformer TRF1, this transformer can make secondary level shift, can isolate with the main converter circuit again, by couple drive MOS pliotron T1 and T2.
The higher-order of oscillation pulse voltage that produces in the primary coil of main transformer is coupled to by switch transformer TRF2 that it is secondary, and secondary high-tension coil divides two-way to boost, and one tunnel output high pressure is very high, as the high pressure that ignites; High pressure is kept in another road lower work of output.Before load was breakdown, high pressure output is higher than kept high pressure, and diode D8 is reverse, and high pressure output is very high; After load was breakdown, high-voltage power output was automaticallyed switch, and provides by resistance R 21 and diode D8 by keeping voltage.Output keeps the high pressure feedback circuit of high pressure by being made up of error amplifier U3B etc., 9 pin of control integrated manipulator U1, thereby the output ceiling voltage when power-limiting is exported on capacitor C 21; Form current feedback circuit by error amplifier U3A etc.; form Current Regulation and protective circuit by amplifier U4A, source of stable pressure U5 etc.; the output current sampled signal and the given signal of Current Regulation that on resistance R 20, obtain; by above-mentioned two circuit; 9 pin of same control integrated manipulator U1 reach adjusting, stablize the purpose of output current.
Claims (2)
1. adjustable constant current type positive output electric breakdown high-voltage module power supply, comprise the power circuit that is encapsulated in the housing (1), be welded with several lead-in wires (2) on the power circuit, power circuit comprises that voltage stabilizing circuit passes through control circuit, drive circuit is connected with the combined high pressure output circuit, described drive circuit is connected with current feedback circuit with the high pressure feedback circuit respectively with the combined high pressure output circuit, it is characterized in that: also comprise Current Regulation and protective circuit, described Current Regulation and protective circuit are connected with current feedback circuit; 1 pin of control chip U4A links to each other with 2 pin in described Current Regulation and the protective circuit; and connect an end of capacitor C 10 in the current feedback circuit by resistance R 12; 3 pin of control chip U4A connect the positive pole of diode D17 and an end of resistance R 26 respectively; the other end of resistance R 26 connects an end of capacitor C 24 and resistance R 27 respectively; and as Current Regulation input Iadj; another termination input ground GND of capacitor C 24; the end of the negative pole difference connecting resistance R29 of diode D17 and 3 pin of source of stable pressure U5; another termination in-line power end Vcc of resistance R 29; the other end of the 1 pin difference connecting resistance R27 of source of stable pressure U5 and an end of resistance R 28; the other end of resistance R 28 links to each other with 2 pin of source of stable pressure U5 and meets input ground GND; 4 pin of control chip U4A meet input ground GND, and 8 pin of control chip U4A meet in-line power end Vcc.
2. adjustable constant current type positive output electric breakdown high-voltage module power supply according to claim 1, it is characterized in that: described several lead-in wires (2) are exposed to outside the housing (1), one side is three lead-in wires (2), by direct current supply input+Vin, input ground GND, Current Regulation input Iadj sequence arrangement, opposite side is two lead-in wires (2), by combination positive high voltage output+HV.Out, high pressure output ground HVG sequence arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202238613U CN201699592U (en) | 2010-06-12 | 2010-06-12 | Adjustable current-stabilizing type positive output electric breakdown high voltage module power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202238613U CN201699592U (en) | 2010-06-12 | 2010-06-12 | Adjustable current-stabilizing type positive output electric breakdown high voltage module power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201699592U true CN201699592U (en) | 2011-01-05 |
Family
ID=43400837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202238613U Expired - Fee Related CN201699592U (en) | 2010-06-12 | 2010-06-12 | Adjustable current-stabilizing type positive output electric breakdown high voltage module power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201699592U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130598A (en) * | 2011-03-21 | 2011-07-20 | 天津市东文高压电源厂 | Pulse width modulation push-pull type positive output electrostatic spinning high-voltage complete machine power supply |
| CN103633851A (en) * | 2013-12-19 | 2014-03-12 | 东文高压电源（天津）有限公司 | Voltage-adjustable current-adjustable high-performance positive laser power supply circuit composed of 555 |
-
2010
- 2010-06-12 CN CN2010202238613U patent/CN201699592U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130598A (en) * | 2011-03-21 | 2011-07-20 | 天津市东文高压电源厂 | Pulse width modulation push-pull type positive output electrostatic spinning high-voltage complete machine power supply |
| CN103633851A (en) * | 2013-12-19 | 2014-03-12 | 东文高压电源（天津）有限公司 | Voltage-adjustable current-adjustable high-performance positive laser power supply circuit composed of 555 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101834528A (en) | Negative output fixed constant-current type electric breakdown high-voltage module power supply | |
| CN102105007B (en) | LED constant-current driver with boosting function | |
| CN101807858B (en) | Small two-way positive and negative output high-voltage module power | |
| CN103048503B (en) | A kind of separate screw type terminal block of electric energy meter | |
| CN201699592U (en) | Adjustable current-stabilizing type positive output electric breakdown high voltage module power supply | |
| SE0203374D0 (en) | Auxilary power supply | |
| CN201699590U (en) | Positive output fixed steady flow type electric breakdown high-voltage module power supply | |
| CN201699587U (en) | Isolated fixed symmetrical high voltage outputting module power source | |
| CN201733226U (en) | Negative-output fixed constant-current type electric breakdown power module | |
| CN202261035U (en) | Simple miniature fixed positive output high-voltage power supply circuit | |
| CN101867307B (en) | Ozone high-voltage power supply | |
| CN202889206U (en) | Adjustable constant-current electric breakdown high voltage power supply circuit with negative output | |
| CN101895202B (en) | Constant-current isolation module laser power supply | |
| CN107463196B (en) | A kind of LDO circuit improving loop stability | |
| CN201577028U (en) | Special high voltage module power supply for positive output of subminiature auto-excitation type photomultiplier | |
| CN201623648U (en) | Small-volume self-recovery protection positive-output high-voltage module power source | |
| CN205647245U (en) | Switching power source | |
| CN202889207U (en) | Negative polar fixed-output high-voltage power supply circuit composed of TL431 | |
| CN201699591U (en) | Current-stabilizing and isolating modular laser power supply | |
| CN201846244U (en) | Ozone high-voltage power supply | |
| CN201699586U (en) | Miniature two-circuit positive and negative output high-voltage module power supply | |
| CN204103753U (en) | Electro Magnetic Compatibility filter and comprise its DC-DC converter | |
| CN203608086U (en) | Power switching circuit of portable photovoltaic power system | |
| CN202978710U (en) | Switching power supply circuit | |
| CN102299640B (en) | Self-excitation small-power negative-high-voltage modular power supply consisting of adjustable voltage regulator |
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: DONGWEN HIGH-VOLTAGE POWER SUPPLY (TIANJIN) CO., L Free format text: FORMER OWNER: TIANJIN DONGWEN HIGH VOLTAGE POWER SUPPLY FACTORY Effective date: 20120702 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120702 Address after: 300171, blue mansion, No. eleven, No. 47, Hedong Road, Hedong District, Tianjin, 8F Patentee after: Tianjin Dongwen High Voltage Power Supply Plant Address before: 300171, blue mansion, No. eleven, No. 47, Hedong Road, Hedong District, Tianjin, 8F Patentee before: Tianjin Dongwen High Voltage Power Supply Factory |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20150612 |
|
| EXPY | Termination of patent right or utility model |