CN201574786U - Servomotor digitalized servo system of steam turbine unit - Google Patents
Servomotor digitalized servo system of steam turbine unit Download PDFInfo
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- CN201574786U CN201574786U CN2009202134768U CN200920213476U CN201574786U CN 201574786 U CN201574786 U CN 201574786U CN 2009202134768 U CN2009202134768 U CN 2009202134768U CN 200920213476 U CN200920213476 U CN 200920213476U CN 201574786 U CN201574786 U CN 201574786U
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Abstract
The utility model discloses a servomotor digitalized servo system of a steam turbine unit, which comprises a servo valve of a servomotor and two valve gate position feedback sensors. The servo valve consists of two control coils, the servo system further comprises an upper computer and two digitalized servo cards, the upper computer is connected with the digitalized servo cards, outputs of the two digitalized servo cards are respectively connected with the two control coils of the servo valve, and the two valve gate position feedback sensors send feedback position signals to the two digitalized servo cards respectively. By adopting a double-card redundant control mode, the servomotor digitalized servo system guarantees reliable control to the servomotor of the steam turbine unit, simultaneously eliminates errors caused by manual operation, and realizes digitalized automatic adjustment of the servomotor of the steam turbine unit.
Description
Technical field
The utility model belongs to the oil engine technical field, relates to a kind of Digital Servo System, relates in particular to a kind of steam turbine set oil engine Digital Servo System.
Background technique
The existing servo fastener of steam turbine set oil engine still is controlled to be the master with the analog amount of isolated.The servovalve that is used for oil engine valve folding adjustment is controlled separately by a servo fastener, if servo fastener breaks down, then will cause the oil engine can't proper functioning, and then has influence on the normal operation of steam turbine set.
The parameter of exist to need adjusting in the servo fastener circuit, zeroing/accents zeroing/accents full, that DEH sets input I/U circuit of vibration, demodulation circuit that for example is used for oil engine stroke detection transducer LVDT signal processing is full, valve position output indicates that the zeroing/accent of U/I circuit is expired, the gain in PI loop and the selection of integration time constant etc.The artificial mode of adjusting of the accurate adjustable potentiometer of the current general employing of these parameters that need adjust or select realizes the adjustment of parameter, and inconvenient operation also is difficult for record retention.
Simultaneously, need the signal that detects in the existing servo fastener circuit, for example LVDT output feedback voltage signal, LVDT secondary winding voltage signal, DEH setting voltage signal etc. can only be taked to obtain with the mode that multimeter is measured, and some also can't obtain or show the information of judging servo fastener circuit working state.
The model utility content
Technical problem to be solved in the utility model is: provide a kind of steam turbine set oil engine Digital Servo System, by adopting the reliable control of two card redundancy control modes assurances to the steam turbine set oil engine.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of steam turbine set oil engine Digital Servo System, described servo-system comprise the servovalve of oil engine, at least two valve location feedback transducers, and described servovalve comprises at least two control coils; Described servo-system further comprises upper-position unit, at least two servo fasteners of digitizing; Upper-position unit is connected with the servo fastener of each digitizing; The output of the servo fastener of each digitizing is connected with the control coil of servovalve respectively, and each valve location feedback transducer is sent to the servo fastener of each digitizing with the position signal of feedback.
As a kind of preferred version of the present utility model, the servo fastener of described digitizing comprises monolithic microprocessor, I/U module, LVDT puocessing module, LVDT type selecting module, PI adjustment module, power module, U/I module, burn out detection module, output dump block; Monolithic microprocessor is connected with I/U module, LVDT puocessing module, LVDT type selecting module, PI adjustment module, power module, U/I module, burn out detection module, output dump block respectively.
As a kind of preferred version of the present utility model, monolithic microprocessor is the high-speed mixing signal processing single chip with SOC(system on a chip) SOC function with 16 bit address buses, inside comprises Flash storage and data storage, is responsible for stocking system program and program running data respectively; Monolithic microprocessor comprises the usb communication passage, and carry out data interaction by this passage and upper-position unit, with the status information of the servo fastener of digitizing be uploaded to that upper-position unit is used for showing, record and preserving, simultaneously, download the various parameters that are used for the servo fastener of digitizing that upper-position unit is set; Monolithic microprocessor comprises the SPI serial communication bus, and downloads the setup parameter that obtains by this bus from upper-position unit the digital regulation resistance on the servo fastener of digitizing is carried out the parameter setting; Monolithic microprocessor comprises the detection that the AD sampling channel is realized the measurement signal of input signal, LVDT puocessing module to DEH setting signal, I/U module; Monolithic microprocessor comprises sets the electronic switch output channel, and realizes ratio multiple and the integration constant selection operation that PI regulates by this passage, the also operation in order to realize that all kinds LVDT selects; Monolithic microprocessor comprises the burn out detection input channel and passes through the monitoring of this passage realization to the servo fastener of digitizing many places circuit breaking state.
As a kind of preferred version of the present utility model, monolithic microprocessor detects the collection of LVDT signal, DEH setting input signal, valve location indication output signal in order to realize the oil engine valve location, and shows the data communication transmission of using for upper-position unit; And realize that the oil engine valve location detects the automatic adjustment with LVDT Signal Matching circuit parameter; Monolithic microprocessor detects burn out detection and the warning of setting input signal channel and valve position control signal output channel with LVDT signal sampling channel, DEH in order to realize the oil engine valve location; Described PI adjustment module is in order to realize that oil engine valve servo control circuit P+I mode of operation is selected, PI gains and parameter selection intergration time is set; Described I/U module is as realizing that band is isolated and the input power circuit of automatic switching function; Described U/I module is as the DEH current setting circuit of realizing the band isolation and the indication output circuit of oil engine valve location; Described servo-system also comprises the usb communication passage, in order to realize meeting the data communication of USB2.0 standard.
As a kind of preferred version of the present utility model, described LVDT type selecting module realizes the selection of interchange, VDC and three types of LVDT devices of direct current flow pattern according to the LVDT type of be equipped with using by electronic switch, and the burn out detection of corresponding feedback signal is also selected by electronic switch.
As a kind of preferred version of the present utility model, the servo fastener of described digitizing further comprises digital regulation resistance, and monolithic microprocessor and digital regulation resistance are adjusted with the digitizing of LVDT Signal Matching circuit parameter automatically in order to realize that the oil engine valve location detects; Described monolithic microprocessor and digital regulation resistance are in order to realize that DEH sets the zero degree of input signal, the full scale numeral is adjusted, realize that the oil engine valve location detects zero degree, the full scale adjustment of LVDT signal, realize zero degree, the full scale adjustment of valve location indication output signal.
As a kind of preferred version of the present utility model, described PI adjustment module is set the oil engine valve location feedback voltage signal of analog current signal and the output of LVDT puocessing module according to DEH in the I/U module, amplify and expand the stream processing through proportional integral and form the servovalve coil that output current is used for drive controlling steam turbine set oil engine valve, realize the servocontrol of oil engine valve.
As a kind of preferred version of the present utility model, described servo-system comprises two servo fasteners of digitizing; Described burn out detection module is used to realize the burn out detection of output channel, and detected object comprises in AC type LVDT primary coil loops, two groups of secondary winding loops of AC type LVDT, the U/I module valve control servovalve output signal channel, direct current flow pattern LVDT feedback signal passage and direct current die mould LVDT feedback signal passage in DEH setting voltage input channel, the PI adjustment module.
A kind of steam turbine set oil engine Digital Servo System, described servo-system comprise the servovalve of oil engine, two valve location feedback transducers, and described servovalve comprises two control coils; Described servo-system further comprises upper-position unit, two servo fasteners of digitizing; Upper-position unit is connected with the servo fastener of each digitizing; The output of two servo fasteners of digitizing is connected with two control coils of servovalve respectively, and two valve location feedback transducers are sent to two servo fasteners of digitizing with the position signal of feedback respectively.
The present invention adopts two servo fasteners simultaneously the servovalve of steam turbine set oil engine to be carried out control, realizes Redundant Control; Realize adopting digital regulation resistance to replace common potentiometer, design is the digital regulation resistance resistance initialization circuit of core with the monolithic microprocessor; Employing AD698 is a core, and design AC type, direct current die mould and direct current flow pattern oil engine valve location detect the LVDT signal processing circuit; Design realizes that the oil engine valve location detects the circuit with the LVDT type selecting; Adopt the monolithic microprocessor machine to realize that the oil engine valve location detects the LVDT signal, DEH sets input signal, the collection of valve location indication output signal and the data communication propagation function that uses for the upper-position unit demonstration; Adopt the monolithic microprocessor machine to realize that the oil engine valve location detects the automatic adjustment function with LVDT Signal Matching circuit parameter; Realize that the oil engine valve location detects burn out detection and the warning function of setting input signal channel and valve position control signal output channel with LVDT signal sampling channel, DEH; Design realizes that DEH sets the zero degree of input signal, and the full scale numeral is adjusted function; Design realizes that the oil engine valve location detects the zero degree of LVDT signal, and full scale is adjusted function; Design realizes the zero degree of valve location indication output signal, and full scale is adjusted function; Design realizes that oil engine valve servo control circuit P+I mode of operation is selected, PI gains and parameter selection intergration time set-up function; Design realizes that band is isolated and the input power circuit of automatic switching function; Design realizes DEH current setting circuit and the oil engine valve location indication output circuit that band is isolated; Design realizes meeting the datel circuit of USB2.0 standard.
The beneficial effects of the utility model are: the steam turbine set oil engine Digital Servo System that the utility model proposes, having designed a kind of is the steam turbine set oil engine Redundant Control Digital Servo System of core with the monolithic microprocessor, and cooperates adjustment, setting and the selection of carrying out parameter with upper computer software to realize accurate control to steam turbine set oil engine servovalve.
Advantage of the present utility model mainly is: one, adopt the reliable control of two card redundancy control modes assurances to the steam turbine set oil engine; Two, eliminate the error that the people brings for manually-operable; Three, realize the digitizing of steam turbine set oil engine is adjusted automatically.
In addition, the utility model shows adjustment, data management and the state of functional parameter by upper-position unit and lower-position unit data communication and is integrated in one,
Description of drawings
Fig. 1 is the composition schematic representation in the servo fastener Redundant Control of the digitizing in the utility model loop;
Fig. 2 is the servo fastener structural representation of the digitizing in the utility model;
Fig. 3 is the servo fastener theory diagram of the digitizing in the utility model;
Fig. 4 is the AD698 functional schematic in the utility model;
Fig. 5 is the current type LVDT I/U Elementary Function EF schematic representation in the utility model;
Fig. 6 is the electronic selection switch functional schematic in the utility model;
Fig. 7 is that the DEH in the utility model sets I/U Elementary Function EF schematic representation;
Fig. 8 is the digital regulation resistance AD5290 functional schematic in the utility model.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment one
The present invention adopts two servo fasteners simultaneously the servovalve of steam turbine set oil engine to be carried out control, and design realizes Redundant Control, has guaranteed the reliability of the servo fastener control of steam turbine set oil engine digitizing; Adopt the digital regulation resistance technology to realize the digitizing adjustment of circuit configuration parameter, guaranteed the accuracy of the servo fastener parameter adjustment of steam turbine set oil engine digitizing and the applicability of equipment; Adopt monolithic microprocessor to realize the automatic adjustment of LVDT zero degree and full scale parameter, guaranteed the ease for use of the servo fastener of steam turbine set oil engine digitizing; Adopt multiple class LVDT interface circuit configuration, guaranteed the flexibility that the servo fastener of steam turbine set oil engine digitizing uses; Adopt the USB2.0 communication protocol to realize data interaction between upper PC and the servo fastener of steam turbine set oil engine digitizing, guaranteed the convenience of the configuration of fastener circuit parameter, adjustment, status monitoring; Employing has the improved single-chip microcomputer of SOC function as microprocessor, and it has improved 10 times and inside than 51 traditional single-chip microcomputer performances and has comprised multiple functions such as AD, internal electric source, usb circuit, has reduced the external circuit module greatly.
See also Fig. 1 to Fig. 8, the utility model has disclosed a kind of steam turbine set oil engine Digital Servo System, and described servo-system comprises the servovalve of oil engine, two valve location feedback transducers, and described servovalve comprises two control coils; Described servo-system further comprises upper-position unit, two servo fasteners of digitizing; Upper-position unit is connected with the servo fastener of each digitizing; The output of two servo fasteners of digitizing is connected with two control coils of servovalve respectively, and two valve location feedback transducers are sent to two servo fasteners of digitizing with the position signal of feedback respectively.
As Fig. 2, shown in Figure 3, the servo fastener of described digitizing comprises monolithic microprocessor, I/U module, LVDT puocessing module, LVDT type selecting module, PI adjustment module, power module, U/I module, burn out detection module, output dump block; Monolithic microprocessor is connected with I/U module, LVDT puocessing module, LVDT type selecting module, PI adjustment module, power module, U/I module, burn out detection module, output dump block respectively.
Monolithic microprocessor is the high-speed mixing signal processing single chip with SOC(system on a chip) SOC function with 16 bit address buses, and inside comprises Flash storage and data storage, is responsible for stocking system program and program running data respectively; Monolithic microprocessor comprises the usb communication passage, and carry out data interaction by this passage and upper-position unit, with the status information of the servo fastener of digitizing be uploaded to that upper-position unit is used for showing, record and preserving, simultaneously, download the various parameters that are used for the servo fastener of digitizing that upper-position unit is set; Monolithic microprocessor comprises the SPI serial communication bus, and downloads the setup parameter that obtains by this bus from upper-position unit the digital regulation resistance on the servo fastener of digitizing is carried out the parameter setting; Monolithic microprocessor comprises the detection that the AD sampling channel is realized the measurement signal of input signal, LVDT puocessing module to DEH setting signal, I/U module; Monolithic microprocessor comprises sets the electronic switch output channel, and realizes ratio multiple and the integration constant selection operation that PI regulates by this passage, the also operation in order to realize that all kinds LVDT selects; Monolithic microprocessor comprises the burn out detection input channel and passes through the monitoring of this passage realization to the servo fastener of digitizing many places circuit breaking state.
Monolithic microprocessor detects the collection of LVDT signal, DEH setting input signal, valve location indication output signal in order to realize the oil engine valve location, and shows the data communication transmission of using for upper-position unit; And realize that the oil engine valve location detects the automatic adjustment with LVDT Signal Matching circuit parameter; Monolithic microprocessor is simultaneously in order to realize that the oil engine valve location detects burn out detection and the warning of setting input signal channel and valve position control signal output channel with LVDT signal sampling channel, DEH.
Described LVDT type selecting module realizes the selection of interchange, VDC and three types of LVDT devices of direct current flow pattern according to the LVDT type of be equipped with using by electronic switch, and the burn out detection of corresponding feedback signal is also selected by electronic switch.
The servo fastener of described digitizing further comprises digital regulation resistance, in order to realize the digitizing adjustment of circuit configuration parameter.In the present embodiment, digital regulation resistance and monolithic microprocessor are used, and adjust automatically with the digitizing of LVDT Signal Matching circuit parameter in order to realize that the oil engine valve location detects.Particularly, described monolithic microprocessor and digital regulation resistance are in order to realize that DEH sets the zero degree of input signal, the full scale numeral is adjusted, realize that the oil engine valve location detects zero degree, the full scale adjustment of LVDT signal, realize zero degree, the full scale adjustment of valve location indication output signal.
Described PI adjustment module is in order to realize that oil engine valve servo control circuit P+I mode of operation is selected, PI gains and parameter selection intergration time is set.Described PI adjustment module is set the oil engine valve location feedback voltage signal of analog current signal and the output of LVDT puocessing module according to DEH in the I/U module, amplify and expand the stream processing through proportional integral and form the servovalve coil that output current is used for drive controlling steam turbine set oil engine valve, realize the servocontrol of oil engine valve.Described I/U module is as realizing that band is isolated and the input power circuit of automatic switching function; Described U/I module is as the DEH current setting circuit of realizing the band isolation and the indication output circuit of oil engine valve location; Described servo-system also comprises the usb communication passage, in order to realize meeting the data communication of USB2.0 standard.
Described servo-system comprises two servo fasteners of digitizing; Described burn out detection module is used to realize the burn out detection of output channel, and detected object comprises in AC type LVDT primary coil loops, two groups of secondary winding loops of AC type LVDT, the U/I module valve control servovalve output signal channel, direct current flow pattern LVDT feedback signal passage and direct current die mould LVDT feedback signal passage in DEH setting voltage input channel, the PI adjustment module.
In sum, the steam turbine set oil engine Digital Servo System that the utility model proposes, having designed a kind of is the steam turbine set oil engine Redundant Control Digital Servo System of core with the monolithic microprocessor, and cooperates adjustment, setting and the selection of carrying out parameter with upper computer software to realize accurate control to steam turbine set oil engine servovalve.
Advantage of the present utility model mainly is: one, adopt the reliable control of two card redundancy control modes assurances to the steam turbine set oil engine; Two, eliminate the error that the people brings for manually-operable; Three, realize the digitizing of steam turbine set oil engine is adjusted automatically.
In addition, the utility model shows adjustment, data management and the state of functional parameter by upper-position unit and lower-position unit data communication and is integrated in one,
Embodiment two
Present embodiment and embodiment's one difference is that in the present embodiment, Digital Servo System comprises at least two servo fasteners of digitizing.
The steam turbine set oil engine Digital Servo System that present embodiment discloses comprises the servovalve of oil engine, at least two valve location feedback transducers, and described servovalve comprises at least two control coils; Described servo-system further comprises upper-position unit, at least two servo fasteners of digitizing; Upper-position unit is connected with the servo fastener of each digitizing; The output of the servo fastener of each digitizing is connected with the control coil of servovalve respectively, and each valve location feedback transducer is sent to the servo fastener of each digitizing with the position signal of feedback.
Embodiment three
See also Fig. 1, in the present embodiment, Digital Servo System comprises: upper PC computer, usb communication passage, steam turbine set oil engine with the servo fastener of first digitizing and the servo fastener of second digitizing, oil engine with servovalve and first control coil that comprises and second control coil, oil engine LVDT1 and LVDT2.
Wherein, upper PC computer links to each other with the servo fastener of second digitizing with the servo fastener of first digitizing with two steam turbine set oil engines of realizing Redundant Control by the usb communication passage, realizes the data interaction between upper PC computer and the two servo fasteners of digitizing; The output of servo fastener of first digitizing and the servo fastener of second digitizing links to each other with two groups of control coils (first control coil and second control coil) on the servovalve of steam turbine set oil engine valve control respectively, simultaneously, the feedback position signal of oil engine LVDT1 and LVDT2 links to each other with LVDT feedback module on the servo fastener of second digitizing with the servo fastener of first digitizing respectively, the two card redundancys controls of steam turbine set oil engine have been realized in the two-way servovalve Control and Feedback loop that so just to have constituted with two servo fasteners of digitizing be core.
Here description of the present utility model and application are illustrative, are not to want with scope restriction of the present utility model in the above-described embodiments.Here disclosed embodiment's distortion and change are possible, and the various parts of embodiment's replacement and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present utility model or substantive characteristics, and the utility model can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the utility model scope and spirit, can carry out other distortion and change here to disclosed embodiment.
Claims (9)
1. steam turbine set oil engine Digital Servo System is characterized in that:
Described servo-system comprises the servovalve of oil engine, at least two valve location feedback transducer LVDT, and described servovalve comprises at least two control coils;
Described servo-system further comprises upper-position unit, at least two servo fasteners of digitizing; Upper-position unit is connected with the servo fastener of each digitizing;
The output of the servo fastener of each digitizing is connected with the control coil of servovalve respectively, and each valve location feedback transducer is sent to the servo fastener of each digitizing with the position signal of feedback.
2. Digital Servo System according to claim 1 is characterized in that:
The servo fastener of described digitizing comprises monolithic microprocessor, I/U module, LVDT puocessing module, LVDT type selecting module, PI adjustment module, power module, U/I module, burn out detection module, output dump block;
Monolithic microprocessor is connected with I/U module, LVDT puocessing module, LVDT type selecting module, PI adjustment module, power module, U/I module, burn out detection module, output dump block respectively.
3. Digital Servo System according to claim 2 is characterized in that:
Monolithic microprocessor is the high-speed mixing signal processing single chip with SOC(system on a chip) SOC function with 16 bit address buses, and inside comprises Flash storage and data storage, is responsible for stocking system program and program running data respectively;
Monolithic microprocessor comprises the usb communication passage, and carry out data interaction by this passage and upper-position unit, with the status information of the servo fastener of digitizing be uploaded to that upper-position unit is used for showing, record and preserving, simultaneously, download the various parameters that are used for the servo fastener of digitizing that upper-position unit is set;
Monolithic microprocessor comprises the SPI serial communication bus, and downloads the setup parameter that obtains by this bus from upper-position unit the digital regulation resistance on the servo fastener of digitizing is carried out the parameter setting;
Monolithic microprocessor comprises the detection that the AD sampling channel is realized the measurement signal of input signal, LVDT puocessing module to DEH setting signal, I/U module;
Monolithic microprocessor comprises sets the electronic switch output channel, and realizes ratio multiple and the integration constant selection operation that PI regulates by this passage, the also operation in order to realize that all kinds LVDT selects;
Monolithic microprocessor comprises the burn out detection input channel and passes through the monitoring of this passage realization to the servo fastener of digitizing many places circuit breaking state.
4. Digital Servo System according to claim 2 is characterized in that:
Monolithic microprocessor detects the collection of LVDT signal, DEH setting input signal, valve location indication output signal in order to realize the oil engine valve location, and shows the data communication transmission of using for upper-position unit; And realize that the oil engine valve location detects the automatic adjustment with LVDT Signal Matching circuit parameter;
Monolithic microprocessor detects burn out detection and the warning of setting input signal channel and valve position control signal output channel with LVDT signal sampling channel, DEH in order to realize the oil engine valve location;
Described PI adjustment module is in order to realize that oil engine valve servo control circuit P+I mode of operation is selected, PI gains and parameter selection intergration time is set;
Described I/U module is as realizing that band is isolated and the input power circuit of automatic switching function;
Described U/I module is as the DEH current setting circuit of realizing the band isolation and the indication output circuit of oil engine valve location;
Described servo-system also comprises the usb communication passage, in order to realize meeting the data communication of USB2.0 standard.
5. Digital Servo System according to claim 2 is characterized in that:
Described LVDT type selecting module realizes the selection of interchange, VDC and three types of LVDT devices of direct current flow pattern according to the LVDT type of be equipped with using by electronic switch, and the burn out detection of corresponding feedback signal is also selected by electronic switch.
6. Digital Servo System according to claim 2 is characterized in that:
The servo fastener of described digitizing further comprises digital regulation resistance, and monolithic microprocessor and digital regulation resistance are adjusted with the digitizing of LVDT Signal Matching circuit parameter automatically in order to realize that the oil engine valve location detects;
Described monolithic microprocessor and digital regulation resistance are in order to realize that DEH sets the zero degree of input signal, the full scale numeral is adjusted, realize that the oil engine valve location detects zero degree, the full scale adjustment of LVDT signal, realize zero degree, the full scale adjustment of valve location indication output signal.
7. Digital Servo System according to claim 2 is characterized in that:
Described PI adjustment module is set the oil engine valve location feedback voltage signal of analog current signal and the output of LVDT puocessing module according to DEH in the I/U module, amplify and expand the stream processing through proportional integral and form the servovalve coil that output current is used for drive controlling steam turbine set oil engine valve, realize the servocontrol of oil engine valve.
8. Digital Servo System according to claim 2 is characterized in that:
Described servo-system comprises two servo fasteners of digitizing;
Described burn out detection module is used to realize the burn out detection of output channel, and detected object comprises in AC type LVDT primary coil loops, two groups of secondary winding loops of AC type LVDT, the U/I module valve control servovalve output signal channel, direct current flow pattern LVDT feedback signal passage and direct current die mould LVDT feedback signal passage in DEH setting voltage input channel, the PI adjustment module.
9. steam turbine set oil engine Digital Servo System is characterized in that:
Described servo-system comprises the servovalve of oil engine, two valve location feedback transducers, and described servovalve comprises two control coils;
Described servo-system further comprises upper-position unit, two servo fasteners of digitizing; Upper-position unit is connected with the servo fastener of each digitizing;
The output of two servo fasteners of digitizing is connected with two control coils of servovalve respectively, and two valve location feedback transducers are sent to two servo fasteners of digitizing with the position signal of feedback respectively.
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| CN2009202134768U CN201574786U (en) | 2009-12-21 | 2009-12-21 | Servomotor digitalized servo system of steam turbine unit |
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| CN2009202134768U CN201574786U (en) | 2009-12-21 | 2009-12-21 | Servomotor digitalized servo system of steam turbine unit |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102032378A (en) * | 2010-12-29 | 2011-04-27 | 南京科远自动化集团股份有限公司 | Configurable integrated digital electro-hydraulic regulator |
| CN103838138A (en) * | 2014-03-21 | 2014-06-04 | 哈尔滨电气股份有限公司 | Triple-redundancy servo control card |
| CN109236390A (en) * | 2018-10-25 | 2019-01-18 | 上海电气电站设备有限公司 | Coil control structure, method, medium, terminal and steam turbine suitable for torque-motor |
| US10359798B2 (en) | 2014-06-24 | 2019-07-23 | Woodward, Inc. | Adaptive PID control system for industrial turbines |
| CN110119591A (en) * | 2019-05-22 | 2019-08-13 | 哈尔滨汽轮机厂有限责任公司 | A kind of oil motor simulator |
| CN112506036A (en) * | 2020-12-03 | 2021-03-16 | 杭州和利时自动化有限公司 | Servo control module and control method thereof |
| CN112727819A (en) * | 2020-12-28 | 2021-04-30 | 浙江汽轮成套技术开发有限公司 | Novel servo redundant control system of steam turbine |
| CN113431820A (en) * | 2021-06-17 | 2021-09-24 | 浙江中控技术股份有限公司 | Redundant servo control system and method supporting online replacement |
| CN113719357A (en) * | 2021-07-30 | 2021-11-30 | 南京国电南自维美德自动化有限公司 | Control system of heavy gas turbine regulating valve |
| CN114033509A (en) * | 2021-10-21 | 2022-02-11 | 国能浙江北仑第三发电有限公司 | Redundancy control module and method for adjusting door of DEH system of ultra-supercritical unit |
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- 2009-12-21 CN CN2009202134768U patent/CN201574786U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102032378A (en) * | 2010-12-29 | 2011-04-27 | 南京科远自动化集团股份有限公司 | Configurable integrated digital electro-hydraulic regulator |
| CN102032378B (en) * | 2010-12-29 | 2012-09-12 | 南京科远自动化集团股份有限公司 | Configurable integrated digital electro-hydraulic regulator |
| CN103838138A (en) * | 2014-03-21 | 2014-06-04 | 哈尔滨电气股份有限公司 | Triple-redundancy servo control card |
| US10359798B2 (en) | 2014-06-24 | 2019-07-23 | Woodward, Inc. | Adaptive PID control system for industrial turbines |
| CN109236390A (en) * | 2018-10-25 | 2019-01-18 | 上海电气电站设备有限公司 | Coil control structure, method, medium, terminal and steam turbine suitable for torque-motor |
| CN110119591B (en) * | 2019-05-22 | 2023-05-16 | 哈尔滨汽轮机厂有限责任公司 | Oil motor simulation device |
| CN110119591A (en) * | 2019-05-22 | 2019-08-13 | 哈尔滨汽轮机厂有限责任公司 | A kind of oil motor simulator |
| CN112506036A (en) * | 2020-12-03 | 2021-03-16 | 杭州和利时自动化有限公司 | Servo control module and control method thereof |
| CN112727819A (en) * | 2020-12-28 | 2021-04-30 | 浙江汽轮成套技术开发有限公司 | Novel servo redundant control system of steam turbine |
| CN112727819B (en) * | 2020-12-28 | 2023-02-03 | 浙江汽轮成套技术开发有限公司 | Servo redundant control system of steam turbine |
| CN113431820A (en) * | 2021-06-17 | 2021-09-24 | 浙江中控技术股份有限公司 | Redundant servo control system and method supporting online replacement |
| CN113431820B (en) * | 2021-06-17 | 2024-01-30 | 浙江中控技术股份有限公司 | Redundant servo control system and method supporting online replacement |
| CN113719357A (en) * | 2021-07-30 | 2021-11-30 | 南京国电南自维美德自动化有限公司 | Control system of heavy gas turbine regulating valve |
| CN114033509A (en) * | 2021-10-21 | 2022-02-11 | 国能浙江北仑第三发电有限公司 | Redundancy control module and method for adjusting door of DEH system of ultra-supercritical unit |
| CN116950962A (en) * | 2023-09-21 | 2023-10-27 | 福建福清核电有限公司 | Method and device for regulating operation of belt of oil motor and electronic equipment |
| CN116950962B (en) * | 2023-09-21 | 2024-01-12 | 福建福清核电有限公司 | Method and device for regulating operation of belt of oil motor and electronic equipment |
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