CN2785011Y - Multi magnetic circuit type controlled constant-current source - Google Patents
Multi magnetic circuit type controlled constant-current source Download PDFInfo
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- CN2785011Y CN2785011Y CN 200520025649 CN200520025649U CN2785011Y CN 2785011 Y CN2785011 Y CN 2785011Y CN 200520025649 CN200520025649 CN 200520025649 CN 200520025649 U CN200520025649 U CN 200520025649U CN 2785011 Y CN2785011 Y CN 2785011Y
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- coil
- magnetic circuit
- relay
- contactor
- switching
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Abstract
The utility model relates to a multipath magnetic circuit type controlled constant-current source. A primary coil of a multipath magnetic circuit transformer comprises a digital voltage regulator used as a magnetic circuit of the multipath magnetic circuit transformer; a secondary coil of the digital voltage regulator is formed by that 6-12 groups of coils which are respectively connected in series with a pair of thyristors and a thyristor tube voltage drop coil which compensate the tube voltage drop of the thyristors of the 6-12 groups of coils are combined; the 6-12 groups of coils which are respectively connected in series with the pair of thyristors and the thyristor tube voltage drop coil are mutually connected in series; normally open contacts of a relay or a contactor controlling the switching-on and the switching-off of a magnetic circuit coil are connected with thyristors controlling coils of the relay or the contactor to act; in addition, a single-chip microcomputer controls the switching-on and the switching-off of the thyristors of the 6-12 groups of coils of the digital voltage regulator and the switching-on and the switching-off of the thyristors controlling the relay or the contactor to act. The utility model has good sine waves when a high-current steady flow is needed.
Description
Technical field
The utility model belongs to the digital electric source apparatus, particularly relates to a kind of multipath magnetic circuit formula control constant current source.
Background technology
When we need the current stabilization of big electric current,, will increase risk of short-circuits with SCR control separately at present known such as several thousand to several ten thousand ampere-hours.
The utility model content
The utility model provides a kind of sinusoidal wave extraordinary multipath magnetic circuit formula control constant current source that has when the big electric current current stabilization of needs for solving the technical matters that exists in the known technology.
The technical scheme that the utility model is taked for the technical matters that exists in the solution known technology is: include a digital voltage regulator as a magnetic circuit of multiple magnetic circuit transformer in the multiple magnetic circuit transformer primary coil; The secondary coil of described digital voltage regulator is to be formed by respectively connect respectively a pair of silicon controlled 6-12 group coil and a thyristor pressure drop coil combination that compensates the thyristor pressure drop of described 6-12 group coil, and a pair of silicon controlled 6-12 group coil of having connected respectively is connected in series each other with described thyristor pressure drop coil; The relay of described control magnetic circuit coil break-make or the normally opened contact of contactor link to each other with the controllable silicon of described relay of control or contactor coil action; Other has the single-chip microcomputer of the controllable silicon break-make of the controllable silicon break-make of control figure formula pressure regulator 6-12 group coil and described relay of described control or contactor coil action.
The utility model can also adopt following technical measures:
The secondary coil of described digital voltage regulator is to be formed by respectively connect respectively a pair of silicon controlled 7-10 group coil and a silicon controlled tube voltage drop coil combination.
Advantage and the good effect that the utlity model has are: electric current is sinusoidal wave very good greatly.
Description of drawings
Fig. 1 is one of circuit theory diagrams of the present utility model;
Fig. 2 is two of circuit theory diagrams of the present utility model.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1, the voltage of the primary coil of the transformer T1 of digital voltage regulator is 220 volts, and the voltage of secondary coil 128L, 64L, 32L, 16L, 8L, 4L, 2L, 1L and the 0L of T1 is respectively 128 volts, 64 volts, 32 volts, 16 volts, 8 volts, 4 volts, 2 volts, 1 volt and 8 volts.Serial connection controllable silicon Q01, Q02 in the 128L wire loop; Serial connection controllable silicon Q03, Q04 in the 64L wire loop; And the like in 32L, 16L, 8L, 4L, 2L, 1L wire loop, be connected in series controllable silicon Q05, Q06 respectively; Q07, Q08; Q09, Q10; Q11, Q12; Q13, Q14; Q15, Q16.Be connected in series controllable silicon Q01, Q02 respectively; Q03, Q04; Q05, Q06; Q07, Q08; Q09, Q10; Q11, Q12; Q13, Q14; The secondary coil loop 128L of Q15, Q16,64L, 32L, 16L, 8L, 4L, 2L, 1L be connected in series each other again with the 0L coil tandem after, link to each other with the primary coil of the magnetic circuit of multiple magnetic circuit transformer T2.Multiple magnetic circuit transformer T2 also has with the normally opened contact of contactor J2, J4, J6 and connects the primary coil of three magnetic circuits that are connected in series with the normally opened contact of contactor J1, J3, J5.The secondary coil of multiple magnetic circuit transformer T2 is connected in series with load R as constant current source.
As shown in Figure 2,22 I/O mouths of 40 pin single-chip microcomputer PIC16F877A, RC0-RC7, RD0-RD7, RB1-RB6 control the break-make of 22 light lotus root U01-U22 respectively, the break-make of light lotus root U01-U22 is being controlled the triggering loop of 22 controllable silicon Q01-Q22 again, triggers the break-make of controllable silicon Q01-Q22.When the I/O of single-chip microcomputer PIC16F877A mouth RC0-RC7, RD0-RD7, RB1-RB6 output high level, light lotus root U01-U22 conducting then controllable silicon Q01-Q22 triggers the loop energising, makes controllable silicon Q01-Q22 conducting; When I/O mouth RC0-RC7, RD0-RD7, RB1-RB6 output low level, light lotus root U01-U22 ends, and controllable silicon Q01-Q22 triggers the loop and disconnects, and controllable silicon Q01-Q22 then disconnects.
Single-chip microcomputer PIC16F877A is with a transformation rectification power circuit power supply.
Digital voltage regulator utilizes 16 silicon controlled break-makes of Single-chip Controlling according to required voltage, with voltage computing formula U2=U1*I
If* 32/I
Always(I
AlwaysBe 32 sample rate current values and; I
IfBe required current stabilization value) the combination required voltage.As the U2 magnitude of voltage that calculates by above formula is 100V, so just needing the I/O mouth of the single-chip microcomputer of Q02, Q03, Q05, Q08, Q10, Q11, Q14, eight controllable silicon correspondences of Q16 is high level, (be that 64V, 32V, three coil conductings of 4V are represented in Q03, Q05, three controllable silicon conductings of Q11, addition is 100V.Q02, Q08, Q10, Q14,128V is represented in five controllable silicon conductings of Q16,16,8V, 2V, five not conductings of coil of 1V, 16 each triggerings of controllable silicon that the rest may be inferred must be that 8 of 8 conductings end.) the I/O mouth of single-chip microcomputer of all the other eight SCR control end correspondences is low level.
When electric current that loop current can reach greater than the digital voltage regulator maximum, according to the size that surpasses electric current, programme by scm software, selectively trigger six controllable silicon Q17-Q22, thereby selectively connect the coil of thyristor controlled contactor J1-J6, the final magnetic circuit of connecting one or several multiple magnetic circuit transformer is to reach our required electric current.
The secondary coil of digital voltage regulator we also can adopt be by 6 groups of coils add one the compensation these 6 groups of thyristor pressure drops thyristor pressure drop coil combination form, the secondary coil that is transformer T1 is that their voltage of 32L, 16L, 8L, 4L, 2L, 1L and 0L is respectively 32 volts, 16 volts, 8 volts, 4 volts, 2 volts, 1 volt and 6 volts, is connected in series controllable silicon respectively again in 32L, 16L, 8L, 4L, 2L, 1L wire loop; Or the secondary coil that adopts digital voltage regulator is to add that by 12 groups of coils the thyristor pressure drop coil combination of these 12 groups of thyristor pressure drops of compensation forms, the secondary coil that is transformer T1 is 2048L, 1024L, 512L, 256L, 128L, 64L, 32L, 16L, 8L, 4L, 2L, their voltage of 1L and 0L is respectively 2048 volts, 1024 volts, 512 volts, 256 volts, 128 volts, 64 volts, 32 volts, 16 volts, 8 volts, 4 volts, 2 volts, 1 volt and 12 volts, again at 2048L, 1024L, 512L, 256L, 128L, 64L, 32L, 16L, 8L, 4L, 2L, be connected in series controllable silicon in the 1L wire loop respectively, more each other the serial connection again with the 0L coil tandem; After this link to each other with the elementary of multiple magnetic circuit transformer T2.Multiple magnetic circuit transformer T2 can and connect the primary coil of three magnetic circuits that are connected in series with the normally opened contact of contactor J1, J3, J5 with the normally opened contact of contactor J2, J4, J6 in addition.The secondary coil of multiple magnetic circuit transformer T2 is connected in series with load R as constant current source.
This moment single-chip microcomputer 18 or 30 I/O mouths, control the break-makes of 18 or 30 light lotus roots respectively, the break-make of 18 or 30 light lotus roots is being controlled 18 or 30 silicon controlleds again and is being triggered loops, triggers 18 or 30 silicon controlled break-makes.When the I/O of single-chip microcomputer mouth output high level, light lotus root conducting then controllable silicon triggers the loop energising, makes the controllable silicon conducting equally; When I/O mouth output low level, the light lotus root is ended, and controllable silicon triggers the loop and disconnects, and controllable silicon then disconnects.
What single-chip microcomputer also can be selected other for use can reach any model that the present invention controls purpose.For example: PIC such as PIC18F242, PIC16F874 series and 51 series monolithics or the like.
Claims (2)
1. a multipath magnetic circuit formula is controlled constant current source, it includes multiple magnetic circuit transformer, in described multiple magnetic circuit transformer, include the relay of the magnetic circuit coil and the control magnetic circuit coil break-make of former end, it is characterized in that: in the multiple magnetic circuit transformer primary coil, include a digital voltage regulator as a magnetic circuit of multiple magnetic circuit transformer; The secondary coil of described digital voltage regulator is to be formed by respectively connect respectively a pair of silicon controlled 6-12 group coil and a thyristor pressure drop coil combination that compensates the thyristor pressure drop of described 6-12 group coil, and a pair of silicon controlled 6-12 group coil of having connected respectively is connected in series each other with described thyristor pressure drop coil; The relay of described control magnetic circuit coil break-make or the normally opened contact of contactor link to each other with the controllable silicon of described relay of control or contactor coil action; Other has the single-chip microcomputer of the controllable silicon break-make of the controllable silicon break-make of control figure formula pressure regulator 6-12 group coil and described relay of described control or contactor coil action.
2. multipath magnetic circuit formula control constant current source according to claim 1, the secondary coil that it is characterized in that described digital voltage regulator are to be formed by respectively connect respectively a pair of silicon controlled 7-10 group coil and a silicon controlled tube voltage drop coil combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520025649 CN2785011Y (en) | 2005-04-21 | 2005-04-21 | Multi magnetic circuit type controlled constant-current source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520025649 CN2785011Y (en) | 2005-04-21 | 2005-04-21 | Multi magnetic circuit type controlled constant-current source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2785011Y true CN2785011Y (en) | 2006-05-31 |
Family
ID=36771979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520025649 Expired - Fee Related CN2785011Y (en) | 2005-04-21 | 2005-04-21 | Multi magnetic circuit type controlled constant-current source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2785011Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454478A (en) * | 2012-05-29 | 2013-12-18 | 西安华强航天电子有限责任公司 | Voltage transient fluctuation instrument |
| CN111338411A (en) * | 2020-03-30 | 2020-06-26 | 科华恒盛股份有限公司 | Alternating current voltage stabilizer and alternating current power supply equipment |
-
2005
- 2005-04-21 CN CN 200520025649 patent/CN2785011Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454478A (en) * | 2012-05-29 | 2013-12-18 | 西安华强航天电子有限责任公司 | Voltage transient fluctuation instrument |
| CN111338411A (en) * | 2020-03-30 | 2020-06-26 | 科华恒盛股份有限公司 | Alternating current voltage stabilizer and alternating current power supply equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060531 Termination date: 20110421 |