CN204117015U - Voltage regulation compensation circuit in a kind of automated machine controller architecture - Google Patents
Voltage regulation compensation circuit in a kind of automated machine controller architecture Download PDFInfo
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- CN204117015U CN204117015U CN201420608389.3U CN201420608389U CN204117015U CN 204117015 U CN204117015 U CN 204117015U CN 201420608389 U CN201420608389 U CN 201420608389U CN 204117015 U CN204117015 U CN 204117015U
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Abstract
The utility model discloses the voltage regulation compensation circuit in a kind of automated machine controller architecture, comprise chopping depressuring circuit, regulating circuit and current sampling circuit; Described chopping depressuring circuit comprises a compensator transformer T1,4 IGBT module, inductance L 1 and electric capacity C3; Described regulating circuit includes the pressure regulator T2, thyristor TR1 ~ TR8, the fuse FU1 ~ FU8 that adopt two-part winding; Described current sampling circuit includes diode group, resistance R1, and described diode group is made up of the diode of two reverse parallel connections, and diode group is in parallel with resistance R2.Compared with prior art, the utility model is by chopping depressuring circuit, regulating circuit and the cooperatively interacting of current sampling circuit for sample rate current, and the tap achieving pressure regulator is few, the precision of voltage regulation is high, the response time is fast, volume is little, the advantage such as contactless.
Description
Technical field
The utility model relates to technical field of automatic control, the voltage regulation compensation circuit specifically in a kind of automated machine controller architecture.
Background technology
In the governor circuit of automated machine, voltage stabilizer is for control circuit provides stable potential source a requisite assembly; At present coil type voltage stabilizer collocation structure on the market or circuit are probably divided into 4 kinds: 1, be made up of drive motor, automatic control circuit and carbon brush; The failure rate of this type of voltage stabilizer is higher; 2, be made up of compensator transformer, many tap changer and contactor; This type of voltage stabilizer to be powered to compensator transformer by the respective taps of the many tap changer of contactor matrix majorization and is realized the function of voltage stabilizing; Many taps multi-regulator that this type of voltage stabilizer adopts, there is the problem that the precision of voltage regulation is low, and volume is larger; What 3, adopt is that contactor controls; This type of compensating circuit response time is excessively slow, for high-accuracy equipment, can not meet requirement; 4, be made up of many compensator transformers and controllable silicon; This type of voltage stabilizer adopt controllable silicon therefore its response time fast, but multiple compensator transformer has directly had influence on precision and the capacity issue of voltage stabilizer itself; In the occasion that some voltages are higher, just need to carry out step-down process to existing voltage, and the simplest step-down mode adopts pressure regulator to realize step-down in the market, it mainly adopts carbon brush to regulate on the transformer, when the weak point of this step-down mode is carbon brush long-term work, there is certain mechanical wear, need periodic maintenance, and there is certain failure rate of machinery; Also have and adopt relay switching mode, the weak point of this mode is that output voltage is discontinuous, and precision is not high, and can not reach the object that high-precision voltage stabilizing exports, the problems referred to above are all urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide the voltage regulation compensation circuit in a kind of automated machine controller architecture, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A voltage regulation compensation circuit in automated machine controller architecture, comprises chopping depressuring circuit, regulating circuit and current sampling circuit, described chopping depressuring circuit comprises a compensator transformer T1, 4 IGBT module, inductance L 1 and electric capacity C3, input voltage live wire L connects one end of compensator transformer T1 secondary, the live wire end of the collector of the other end connection module IGBT1 of compensator transformer T1 secondary and voltage input, the emitter of module I GBT1 and IGBT2 is connected in opposite directions, the collector of IGBT2 exports the collector meeting inductance L 1 and IGBT4, the one end on the former limit of another termination compensator transformer T1 of inductance L 1 and one end of electric capacity C3, the other end on the former limit of compensator transformer T1 and the equal connecting to neutral line end of the other end of C1, the emitter of IGBT4 and IGBT3 is connected in opposite directions, the collector of IGBT3 connects the zero line side of voltage input and is connected with described current sampling circuit and regulating circuit, described regulating circuit includes the pressure regulator T2, thyristor TR1 ~ TR8, the fuse FU1 ~ FU8 that adopt two-part winding, the first paragraph of described pressure regulator T2 is provided with five taps, first tap of its first paragraph connects one end of thyristor TR8 by fuse FU1,3rd tap of its first paragraph connects one end of thyristor TR7 by fuse FU2,4th tap of its first paragraph connects one end of thyristor TR6 by fuse FU3, the 5th tap of its first paragraph connects one end of thyristor TR5 by fuse FU4, the second segment of described pressure regulator T2 is provided with four taps, first tap of its second segment connects one end of thyristor TR1 by fuse FU8, second tap of its second segment connects one end of thyristor TR2 by fuse FU7,3rd tap of its second segment connects one end of thyristor TR3 by fuse FU6, and second tap of the first paragraph of pressure regulator T2 described in the 4th tap of its second segment connects thyristor TR4 one end by fuse FU5 is connected with the output terminal of compensator transformer T1.
Further; 5th tap of the first paragraph of described pressure regulator T2 and the collector of IGBT3 connect the zero line side that voltage inputs.
Further, second segment the 4th tap of described pressure regulator T2 is connected with described current sampling circuit.
Further, described current sampling circuit includes diode group, resistance R1, and described diode group is made up of the diode of two reverse parallel connections, and diode group is in parallel with resistance R2.
Compared with prior art, in utility model works, when input voltage higher larger time, the ON time of control IGBT1 and IGBT2 increases, the closing time of IGBT3 and IGBT4 increases, the time of compensator transformer T1 compensation work increases, and realizes larger Contrary compensation voltage; When input voltage higher less time, the ON time of control IGBT1 and IGBT2 reduces, the closing time of IGBT3 and IGBT4 reduces, and the time decreased of compensator transformer T1 compensation work, realizes less Contrary compensation voltage; When input voltage is normal, the cut-off of control IGBT1 and IGBT2, the conducting of IGBT3 and IGBT4, compensator transformer T1 uncompensation voltage, direct voltage output, voltage is added on compensator transformer T2 winding, in the Secondary Winding of compensator transformer T2, produce a mutual superposition of the voltage proportional with input voltage simultaneously, make output voltage voltage stabilizing in accuracy rating, the voltage be directly proportional to size of current can be produced at the output terminal of current sampling circuit simultaneously; In the thyristor TR6 ~ thyristor TR13 of regulating circuit, the thyristor of conducting also makes corresponding change, realizes the function of voltage compensation from face.By chopping depressuring circuit, regulating circuit and the cooperatively interacting of current sampling circuit for sample rate current, the tap achieving pressure regulator is few, the precision of voltage regulation is high, the response time is fast, volume is little, the advantage such as contactless.
Accompanying drawing explanation
Fig. 1 is the structural representation of the voltage regulation compensation circuit in a kind of automated machine controller architecture of the utility model.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
Refer to Fig. 1, the voltage regulation compensation circuit in a kind of automated machine controller architecture, comprises chopping depressuring circuit, regulating circuit and current sampling circuit, described chopping depressuring circuit comprises a compensator transformer T1, 4 IGBT module, inductance L 1 and electric capacity C3, input voltage live wire L connects one end of compensator transformer T1 secondary, the live wire end of the collector of the other end connection module IGBT1 of compensator transformer T1 secondary and voltage input, the emitter of module I GBT1 and IGBT2 is connected in opposite directions, the collector of IGBT2 exports the collector meeting inductance L 1 and IGBT4, the one end on the former limit of another termination compensator transformer T1 of inductance L 1 and one end of electric capacity C3, the other end on the former limit of compensator transformer T1 and the equal connecting to neutral line end of the other end of C1, the emitter of IGBT4 and IGBT3 is connected in opposite directions, the collector of IGBT3 connects the zero line side of voltage input and is connected with described current sampling circuit and regulating circuit, described current sampling circuit includes diode group, resistance R1, and described diode group is made up of the diode of two reverse parallel connections, and diode group is in parallel with resistance R2, described regulating circuit includes the pressure regulator T2, thyristor TR1 ~ TR8, the fuse FU1 ~ FU8 that adopt two-part winding, the first paragraph of described pressure regulator T2 is provided with five taps, first tap of its first paragraph connects one end of thyristor TR8 by fuse FU1,3rd tap of its first paragraph connects one end of thyristor TR7 by fuse FU2,4th tap of its first paragraph connects one end of thyristor TR6 by fuse FU3, the 5th tap of its first paragraph connects one end of thyristor TR5 by fuse FU4, the second segment of described pressure regulator T2 is provided with four taps, first tap of its second segment connects one end of thyristor TR1 by fuse FU8, second tap of its second segment connects one end of thyristor TR2 by fuse FU7,3rd tap of its second segment connects one end of thyristor TR3 by fuse FU6, the 4th tap of its second segment connects one end of thyristor TR4 by fuse FU5, 5th tap of the first paragraph of described pressure regulator T2 and the collector of IGBT3 connect the zero line side that voltage inputs, second tap of the first paragraph of described pressure regulator T2 is connected with the output terminal of compensator transformer T1, second segment the 4th tap of described pressure regulator T2 is connected with described current sampling circuit.
When input voltage higher larger time, the ON time of control IGBT1 and IGBT2 increases, the closing time of IGBT3 and IGBT4 increases, and the time of compensator transformer T1 compensation work increases, and realizes larger Contrary compensation voltage; When input voltage higher less time, the ON time of control IGBT1 and IGBT2 reduces, the closing time of IGBT3 and IGBT4 reduces, and the time decreased of compensator transformer T1 compensation work, realizes less Contrary compensation voltage; When input voltage is normal, the cut-off of control IGBT1 and IGBT2, the conducting of IGBT3 and IGBT4, compensator transformer T1 uncompensation voltage, direct voltage output, voltage is added on compensator transformer T2 winding, in the Secondary Winding of compensator transformer T2, produce a mutual superposition of the voltage proportional with input voltage simultaneously, make output voltage voltage stabilizing in accuracy rating, the voltage be directly proportional to size of current can be produced at the output terminal of current sampling circuit simultaneously; In the thyristor TR6 ~ thyristor TR13 of regulating circuit, the thyristor of conducting also makes corresponding change, realizes the function of voltage compensation from face.By chopping depressuring circuit, regulating circuit and the cooperatively interacting of current sampling circuit for sample rate current, the tap achieving pressure regulator is few, the precision of voltage regulation is high, the response time is fast, volume is little, the advantage such as contactless.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (4)
1. the voltage regulation compensation circuit in automated machine controller architecture, is characterized in that, comprises chopping depressuring circuit, regulating circuit and current sampling circuit, described chopping depressuring circuit comprises a compensator transformer T1, 4 IGBT module, inductance L 1 and electric capacity C3, input voltage live wire L connects one end of compensator transformer T1 secondary, the live wire end of the collector of the other end connection module IGBT1 of compensator transformer T1 secondary and voltage input, the emitter of module I GBT1 and IGBT2 is connected in opposite directions, the collector of IGBT2 exports the collector meeting inductance L 1 and IGBT4, the one end on the former limit of another termination compensator transformer T1 of inductance L 1 and one end of electric capacity C3, the other end on the former limit of compensator transformer T1 and the equal connecting to neutral line end of the other end of C1, the emitter of IGBT4 and IGBT3 is connected in opposite directions, the collector of IGBT3 connects the zero line side of voltage input and is connected with described current sampling circuit and regulating circuit, described regulating circuit includes the pressure regulator T2, thyristor TR1 ~ TR8, the fuse FU1 ~ FU8 that adopt two-part winding, the first paragraph of described pressure regulator T2 is provided with five taps, first tap of its first paragraph connects one end of thyristor TR8 by fuse FU1,3rd tap of its first paragraph connects one end of thyristor TR7 by fuse FU2,4th tap of its first paragraph connects one end of thyristor TR6 by fuse FU3, the 5th tap of its first paragraph connects one end of thyristor TR5 by fuse FU4, the second segment of described pressure regulator T2 is provided with four taps, first tap of its second segment connects one end of thyristor TR1 by fuse FU8, second tap of its second segment connects one end of thyristor TR2 by fuse FU7,3rd tap of its second segment connects one end of thyristor TR3 by fuse FU6, and second tap of the first paragraph of pressure regulator T2 described in the 4th tap of its second segment connects thyristor TR4 one end by fuse FU5 is connected with the output terminal of compensator transformer T1.
2. the voltage regulation compensation circuit in a kind of automated machine controller architecture according to claim 1, is characterized in that, the 5th tap of the first paragraph of described pressure regulator T2 and the collector of IGBT3 connect the zero line side that voltage inputs.
3. the voltage regulation compensation circuit in a kind of automated machine controller architecture according to claim 1, is characterized in that, second segment the 4th tap of described pressure regulator T2 is connected with described current sampling circuit.
4. the voltage regulation compensation circuit in a kind of automated machine controller architecture according to claim 1, it is characterized in that, described current sampling circuit includes diode group, resistance R1, and described diode group is made up of the diode of two reverse parallel connections, and diode group is in parallel with resistance R2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420608389.3U CN204117015U (en) | 2014-10-21 | 2014-10-21 | Voltage regulation compensation circuit in a kind of automated machine controller architecture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420608389.3U CN204117015U (en) | 2014-10-21 | 2014-10-21 | Voltage regulation compensation circuit in a kind of automated machine controller architecture |
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| CN204117015U true CN204117015U (en) | 2015-01-21 |
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| CN201420608389.3U Expired - Fee Related CN204117015U (en) | 2014-10-21 | 2014-10-21 | Voltage regulation compensation circuit in a kind of automated machine controller architecture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106899025A (en) * | 2017-04-26 | 2017-06-27 | 武汉国想电力科技股份有限公司 | A kind of comprehensive compensation type alternating current steady voltage plug |
-
2014
- 2014-10-21 CN CN201420608389.3U patent/CN204117015U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106899025A (en) * | 2017-04-26 | 2017-06-27 | 武汉国想电力科技股份有限公司 | A kind of comprehensive compensation type alternating current steady voltage plug |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20161021 |
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| CF01 | Termination of patent right due to non-payment of annual fee |