CN103363175A - Intelligent electrically operated valve executive device - Google Patents
Intelligent electrically operated valve executive device Download PDFInfo
- Publication number
- CN103363175A CN103363175A CN201210096661XA CN201210096661A CN103363175A CN 103363175 A CN103363175 A CN 103363175A CN 201210096661X A CN201210096661X A CN 201210096661XA CN 201210096661 A CN201210096661 A CN 201210096661A CN 103363175 A CN103363175 A CN 103363175A
- Authority
- CN
- China
- Prior art keywords
- valve
- signal
- processing unit
- central processing
- cpu
- 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.)
- Pending
Links
Images
Landscapes
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention relates to an intelligent electrically operated valve executive device which comprises a valve position sensor, a signal conversion module, a motor driving circuit, a digital interlock switching circuit, a wireless transmission module and a central processing unit. The valve position sensor outputs a valve position analog quantity signal or a switching quantity signal to the signal conversion module. The signal conversion module converts the valve position analog quantity signal or the switching quantity signal into a valve position digital quantity signal and outputs the valve position digital quantity signal. The central processing unit receives valve control information through the wireless transmission module, generates a valve motion signal according to the valve control information and the valve position digital quantity signal and outputs the valve motion signal, wherein the valve control information is transmitted from an upper computer. The digital interlock switching circuit outputs a corresponding motor driving signal to the motor driving circuit through the valve motion signal. The motor driving circuit controls the motion of the motor according to the motor driving signal. According to the intelligent electrically operated valve executive device, the stability of valve control is improved, the remote control over a valve is achieved, and the automated control degree of the intelligent electrically operated valve is improved.
Description
Technical field
The present invention relates to surveying, particularly relate to a kind of intelligentized electric valve actuating device.
Background technique
The intelligentized electric valve actuating device be because it can realize intelligent drives to various types of pipeline valves, and is widely used in the multiple industries such as power station, metallurgy, oil, chemical industry, water supply and food processing.
The intelligentized electric valve actuating device is after receiving the next control signal of automatic controlling system device transmission, export corresponding upstream or downstream data-signal, this upstream or downstream data-signal is after being amplified by servoamplifier, drive motor rotates, the driven by motor speed reducer amplifies power, thus the switching position of control valve.Speed reducer also can drive the position transducer action, the linear change of position transducer output value can reflect the particular location of valve, it is to carry out to start to do or close action that thereby the intelligentized electric valve actuating device decides valve current according to control signal and valve current location, thereby the switch angle of control valve.
The inventor finds in realizing process of the present invention, existing intelligentized electric valve actuating device adopts DCS (Distributed Control System in actual applications usually, distributed control system) field bus system, and must have at least 7-14 root guide line, thereby need a large amount of I/O interfaces, and need to carry out a large amount of modulus signal conversions.In addition, if need to control the intelligentized electric valve actuating device, usually also need to install the parts such as conversion and control cabinet, so that the intelligentized electric valve actuating device is controlled or field control midway.Therefore, the field connection of existing intelligentized electric valve actuating device is very numerous and diverse, and signal (especially analogue signal) can be subject to larger interference in transmission course, and the conversion of modulus signal can make the transmission loss of signal larger, and distortion is more serious; Thereby cause the control stability of valve relatively poor, and numerous and diverse wiring meeting limit the laying of the each several part of whole system greatly.
Because the problem that above-mentioned existing intelligentized electric valve actuating device exists, the inventor is based on being engaged in for many years abundant practical experience and professional knowledge of this type of product specification manufacturing, and the utilization of cooperation scientific principle, positive research and innovation in addition, in the hope of founding a kind of intelligentized electric valve actuating device, overcome the problem that existing intelligentized electric valve actuating device exists, make it have more practicability.Through continuous research and design, and through after repeatedly studying sample and improvement, finally create the present invention who has practical value.
Summary of the invention
The object of the invention is to, overcome the defective that existing intelligentized electric valve actuating device exists, and provide a kind of novel intelligentized electric valve actuating device, technical problem to be solved is, avoid numerous and diverse field connection, avoid as much as possible interference and the distortion phenomenon of signal, improve stability and the flexibility of valve control, and realize the telecontrol of valve.
The object of the invention to solve the technical problems can adopt following technological scheme to realize.
A kind of intelligentized electric valve actuating device according to the present invention proposes comprises: position sensor of valve, signal conversion module, wireless transport module, central processing unit (CPU), digital interlocking switch circuit and motor-drive circuit; Described position sensor of valve is connected with signal conversion module, is used for the position of sensing valve, and to described signal conversion module output valve position analog signals or Valve position switch amount signal; Described signal conversion module is connected with central processing unit (CPU) with position sensor of valve and is connected, be used for valve location analog signals or the Valve position switch amount signal of position sensor of valve output are converted to the valve location digital quantity signal, and export to central processing unit (CPU); Described central processing unit (CPU) is connected respectively with signal conversion module, wireless transport module and the interlocking switch circuit of being connected, described central processing unit (CPU) receives the valve control information that the upper-position unit transmission comes by wireless transport module, and according to described valve control information and described valve location digital quantity signal generation valve event signal, export described valve event signal to described digital interlocking switch circuit; Described digital interlocking switch circuit and central processing unit (CPU) and motor-drive circuit are connected respectively, are used for transmission comes according to central processing unit (CPU) valve event signal to motor drive signal corresponding to motor-drive circuit output; Described motor-drive circuit and motor be connected interlocking switch circuit and be connected respectively, be used for the action of the motor drive signal control motor that comes according to described digital interlocking switch circuit transmission.
Purpose of the present invention and solve its technical problem and can also be further achieved by the following technical measures.
Better, aforesaid intelligentized electric valve actuating device, wherein wireless transport module comprises: based on the wireless transport module of 3G, and described central processing unit (CPU) carries out data transmission based on TCP/IP by wireless transport module and upper-position unit.
Better, aforesaid intelligentized electric valve actuating device, wherein signal conversion module comprises: the A/D modular converter of band isolation analog input, and/or, band isolating switch amount load module.
Better, aforesaid intelligentized electric valve actuating device, wherein central processing unit (CPU) comprises: the MSP430 microcontroller.
Better, aforesaid intelligentized electric valve actuating device, wherein said device also comprises: display modular is connected with described central processing unit (CPU).
Better, aforesaid intelligentized electric valve actuating device, wherein said device also comprises: key-press module, be connected with described central processing unit (CPU), described central processing unit (CPU) receives the valve control information that described key-press module transmission comes.
Better, aforesaid intelligentized electric valve actuating device, wherein said device also comprises: the RS232 interface circuit is connected with described central processing unit (CPU).
Better, aforesaid intelligentized electric valve actuating device, wherein said device also comprises: the RS485 interface circuit is connected with described central processing unit (CPU).
Better, aforesaid intelligentized electric valve actuating device, wherein motor-drive circuit comprises: 74LVC8T245 chip, S8050 triode and relay; Described 74LVC8T245 chip is connected with the S8050 triode with digital interlocking switch circuit, and described S8050 triode and 74LVC8T245 chip and relay are connected respectively.
By technique scheme, intelligentized electric valve actuating device of the present invention has following advantages and beneficial effect at least: the present invention is by arranging central processing unit (CPU) and wireless communication module in the intelligentized electric valve actuating device, make the intelligentized electric valve actuating device on the basis of TCP/IP, carry out the long distance wireless information interaction with upper-position unit (such as computer etc.), avoided the phenomenon of between cable laying, and avoided simultaneously between that buffer circuit is set, the parts such as change-over circuit and wire way, in addition, also avoided the analogue signal of between transmission to be disturbed and the phenomenon such as the signal transmission is impaired; Thereby the present invention has improved stability and the flexibility of valve control, and has realized the telecontrol of valve, has improved the automatic controlling level of intelligentized electric valve, has alleviated the Operation and Maintenance workload of intelligentized electric valve actuating device, is very suitable for practicality.
In sum, the present invention has significant progress technically, and has significantly positive technique effect, becomes a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above and other purpose of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Fig. 1 is intelligentized electric valve actuating device schematic representation of the present invention.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, its embodiment of intelligentized electric valve actuating device, structure, feature and effect thereof to foundation the present invention proposes are described in detail as follows.
Intelligentized electric valve actuating device of the present invention as shown in Figure 1.
Intelligentized electric valve actuating device among Fig. 1 comprises: position sensor of valve 1, signal conversion module 2, wireless transport module 3, central processing unit (CPU) 4, digital interlocking switch circuit 5 and motor-drive circuit 6.In addition, this intelligentized electric valve actuating device can also comprise: at least one in display modular 7, key-press module 8, RS232 interface circuit 9 and the RS485 interface circuit 10.Wherein, position sensor of valve 1 is connected with signal conversion module 2, motor-drive circuit 6 is connected respectively, and signal conversion module 2, wireless transport module 3, digital interlocking switch circuit 5, display modular 7, key-press module 8, RS232 interface circuit 9 and RS485 interface circuit 10 all are connected with central processing unit (CPU) 4 with motor with digital interlocking switch circuit 5.
The below describes respectively each element in the above-mentioned intelligentized electric valve actuating device.
Position sensor of valve 1 is mainly used in the position of sensing valve, and valve location analog signals or switching value signal that its sensing is produced are transferred to signal conversion module 2.Position sensor of valve 1 can adopt the position sensor of valve of existing Multiple Type, and this valve is the concrete manifestation form of limiter valve position transducer 1 not.
The valve location analog signals that signal conversion module 2 is mainly used in position sensor of valve 1 transmission is come is (such as 4-20MA, 1-5V, the analog signalses such as 0-5V) or the switching value signal be converted to the valve location digital quantity signal, and will change the rear valve location digital quantity signal that obtains to central processing unit (CPU) 4 transmission, thereby central processing unit (CPU) 4 can be known in real time according to the valve location digital quantity signal the current on off state of valve.Above-mentioned signal conversion module 2 can be specially the A/D modular converter of band isolation analog input, also can be specially band isolating switch amount load module etc.The present invention can adopt existing signal conversion module.
Wireless transport module 3 is the wireless information transfer interfaces between intelligentized electric valve actuating device and the upper-position unit (such as computer etc.), be that the intelligentized electric valve actuating device carries out information (such as the valve control information) transmission by wireless transport module 3 and upper-position unit, valve is carried out wireless and remote control.This wireless transport module 3 can be called the wireless transport module of telecommunication, and it is mutual to carry out remote wireless data based on TCP/IP between intelligentized electric valve actuating device and the upper-position unit.Wireless transport module 3 can be the wireless transport module based on 3G, such as existing SIM300C module, certainly, also can be the remote wireless transmission module of other form.
Wireless transport module 3 mainly is responsible for the digital signal of the serial form of central processing unit (CPU) 4 (such as the MSP430 microcontroller) output is converted to 3G wireless signal and output, and the wireless signal that upper-position unit transmission is come is converted to the digital signal of the serial form of central processing unit (CPU) 4, and is transferred to central processing unit (CPU) 4.
Central processing unit (CPU) 4 is core components of intelligentized electric valve actuating device.Central processing unit (CPU) 4 can comprise: FLASH program storage and E2PROM storage.FLASH program storage wherein is mainly used in program code stored (as using the program-code of C51 language compilation).The program-code of storing in the FLASH program storage can adopt top-down modular design method establishment.Whole program-code mainly comprises: system initialization submodule, serial ports send submodule, serial ports interrupts receiving submodule, 3G communication submodule, LCD display sub-module, button reception submodule and warning submodule etc.3G communication submodule wherein is mainly used in realizing establishment and the decomposition of tcp/ip message frame.In addition, above-mentioned E2PROM storage is mainly used in the storing control parameter variable.
Central processing unit (CPU) 4 is carried out corresponding operation according to the program-code stored in its FLASH program storage, and the data that will store are saved in the internal memory (such as the E2PROM storage) of appointment and go.
Central processing unit (CPU) 4 can receive the valve control information that the upper-position unit transmission comes by wireless transport module 3, and to valve control information is resolved, afterwards, compare analysis according to the valve control information after resolving and the next valve location digital quantity signal of signal conversion module 2 transmission, thereby produce the valve event signal, afterwards, central processing unit (CPU) 4 is to digital interlocking switch circuit 5 these valve event signals of output.In addition, central processing unit (CPU) 4 can also send to upper-position unit such as the current position state information with valve by wireless transport module 3 to upper-position unit transmission field condition information, sends for another example information of successful execution corresponding operating etc. to upper-position unit.
Central processing unit (CPU) 4 can receive field control information by key-press module 8,4 pairs of these field control information of central processing unit (CPU) are judged, if this field control information is valve control information (such as time-out/stop valve gate control operation etc.), then central processing unit (CPU) 4 can produce corresponding valve event signal (as suspending/stop the valve actuating signal) according to this valve control information, and transfers to digital interlocking switch circuit 5; If the control information that this field control information is other side (such as the display frame switching control information etc.), then central processing unit (CPU) 4 is processed operation accordingly, as to the corresponding display frame information of display modular 7 transmission etc.
Central processing unit (CPU) 4 can also carry out information interaction by RS232 interface circuit 9 and RS485 interface circuit 10 and external relevant device (such as polytype instrument etc.), such as central processing unit (CPU) 4 to the current relevant parameter of external relevant device transmission etc.
Above-mentioned central processing unit (CPU) 4 can be specially the MSP430 microcontroller, certainly, also can be the data processing system of other type, and the present invention does not limit the concrete model of central processing unit (CPU) 4.
Numeral interlocking switch circuit 5 is mainly used in receiving the valve event signal that central processing unit (CPU) 4 transmission come, and this valve event signal is converted to corresponding motor drive signal (such as high level/low level signal), afterwards, transmit this motor drive signal to motor-drive circuit.Each output terminal of digital switch circuit can access respectively the input end of No. one photo coupler, and the present invention can adopt the digital interlocking switch circuit of existing Multiple Type.
Motor-drive circuit 6 is mainly used in after receiving the next motor drive signal of digital interlocking switch circuit 5 transmission, according to the action of this motor drive signal control motor.Concrete, the motor drive signal that motor-drive circuit 6 produces is transferred to AC induction motor, and AC induction motor drives speed reducer to output shaft.
Motor-drive circuit 6 is comprised of bidirectional triode thyristor, resistance and electric capacity usually; Can comprise such as motor-drive circuit: 74LVC8T245 chip, S8050 triode and relay; 74LVC8T245 chip wherein respectively is connected, and the S8050 triode also is connected with relay with the S8050 triode with digital interlocking switch circuit 5.
Display modular 7 is mainly used in display frame.Display modular 7 can represent corresponding picture after receiving the next corresponding display frame information of central processing unit (CPU) 4 transmission, a concrete example, display modular 7 show corresponding Word message (such as the fault state time failure code), numerical information (such as valve opening percentage etc.) and graphical information (such as current state figure or the alarm logotype of valve) etc.This display modular 7 can be liquid crystal display panel, and the present invention does not limit the concrete manifestation form of display modular 7.
Key-press module 8 is the interfaces that can realize field control that the intelligentized electric valve actuating device externally provides.By key-press module 8, the field control personnel can carry out field control to valve, can pass through key-press module transfer valve gate control information such as the field control personnel, this valve control information is transferred to central processing unit (CPU) 4, carries out follow-up processing by central processing unit (CPU) 4 based on this valve control information.
RS232 interface circuit 9 and RS485 interface circuit 10 are interfaces that intelligentized electric valve actuating device externally provide can external equipment (such as multiple instrument etc.).The intelligentized electric valve actuating device carries out information interaction by RS232 interface circuit 9 and RS485 interface circuit 10 with external equipment.
The control accuracy of intelligentized electric valve actuating device of the present invention can reach 0.1%～5%, and its operating temperature range can for :-20 ℃ to+70 ℃; Its power supply that uses can be individual event Ac 220V ± 10%50Hz; The output switch contact capacity can exchange 250V for individual event, 5A; Position feedback resistance can be 0.5KQ～5KQ; Can manually control, also can automatically control.
Can find out that from the embodiment of the invention described above technology provided by the invention can reach following technique effect:
1, reduced on-the-spot supplementary equipment.After adopting radio remote distance communication mode (such as the 3G communication modes), between intelligentized electric valve actuating device and upper-position unit, can not use communication cable, and do not need the element relevant with isolation and conversion treatment etc., thereby reduced a large amount of signal cables, the hardware such as corresponding wire way and electric closet have been saved, reduce the realization cost, but also simplified on-the-spot fitting operation, reduced the link that a large amount of mistakes and system break down.
2, improved the reliability of valve control.Because the signal that radio remote distance communication mode (such as the 3G communication modes) is transmitted is digital signal, there are very large difference in this and traditional analog signal transmission, not only reduce the loss in the signal conversion process, increased antijamming capability, but also improved the stability of signal transmission.
3, made things convenient for the Operation and Maintenance work of intelligentized electric valve actuating device.By adopting radio remote distance communication mode (such as the 3G communication modes), the operations such as operator both can demarcate the intelligentized electric valve actuating device in the control room of far-end, parameter setting and functional configuration, can also carry out the processing such as real time on-line monitoring, fault diagnosis, accident forecast and enforcement State Maintenance, and needn't must go to the scene as before to process, realize remote medical consultation with specialists, alleviated the operation and maintenance workload of intelligentized electric valve actuating device.
4, solved the control difficult problem of valve.The geographic areas that town water supply, air feed, heating, effluent discharge, industry water seedbed and petroleum pipeline etc. cover is very large, and technological scheme provided by the invention efficiently solves the problems such as the cabling difficulty is very big.
The above only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet be not to limit the present invention, any those skilled in the art are not within breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (9)
1. an intelligentized electric valve actuating device is characterized in that, comprising:
Position sensor of valve, signal conversion module, wireless transport module, central processing unit (CPU), digital interlocking switch circuit and motor-drive circuit;
Described position sensor of valve is connected with signal conversion module, is used for the position of sensing valve, and to described signal conversion module output valve position analog signals or Valve position switch amount signal;
Described signal conversion module is connected with central processing unit (CPU) with position sensor of valve and is connected, be used for valve location analog signals or the Valve position switch amount signal of position sensor of valve output are converted to the valve location digital quantity signal, and export to central processing unit (CPU);
Described central processing unit (CPU) is connected respectively with signal conversion module, wireless transport module and the interlocking switch circuit of being connected, described central processing unit (CPU) receives the valve control information that the upper-position unit transmission comes by wireless transport module, and according to described valve control information and described valve location digital quantity signal generation valve event signal, export described valve event signal to described digital interlocking switch circuit;
Described digital interlocking switch circuit and central processing unit (CPU) and motor-drive circuit are connected respectively, are used for transmission comes according to central processing unit (CPU) valve event signal to motor drive signal corresponding to motor-drive circuit output;
Described motor-drive circuit and motor be connected interlocking switch circuit and be connected respectively, be used for the action of the motor drive signal control motor that comes according to described digital interlocking switch circuit transmission.
2. device according to claim 1 is characterized in that, described wireless transport module comprises:
Based on the wireless transport module of 3G, and described central processing unit (CPU) carries out data transmission based on TCP/IP by wireless transport module and upper-position unit.
3. device according to claim 1 and 2 is characterized in that, described signal conversion module comprises: the A/D modular converter of band isolation analog input, and/or, band isolating switch amount load module.
4. device according to claim 1 and 2 is characterized in that, described central processing unit (CPU) comprises: the MSP430 microcontroller.
5. device according to claim 1 and 2 is characterized in that, described device also comprises:
Display modular is connected with described central processing unit (CPU).
6. device according to claim 1 and 2 is characterized in that, described device also comprises:
Key-press module is connected with described central processing unit (CPU), and described central processing unit (CPU) receives the valve control information that described key-press module transmission comes.
7. device according to claim 1 and 2 is characterized in that, described device also comprises:
The RS232 interface circuit is connected with described central processing unit (CPU).
8. device according to claim 1 and 2 is characterized in that, described device also comprises:
The RS485 interface circuit is connected with described central processing unit (CPU).
9. device according to claim 1 and 2 is characterized in that, described motor-drive circuit comprises: 74LVC8T245 chip, S8050 triode and relay;
Described 74LVC8T245 chip is connected with the S8050 triode with digital interlocking switch circuit, and described S8050 triode and 74LVC8T245 chip and relay are connected respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210096661XA CN103363175A (en) | 2012-04-01 | 2012-04-01 | Intelligent electrically operated valve executive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210096661XA CN103363175A (en) | 2012-04-01 | 2012-04-01 | Intelligent electrically operated valve executive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103363175A true CN103363175A (en) | 2013-10-23 |
Family
ID=49365156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210096661XA Pending CN103363175A (en) | 2012-04-01 | 2012-04-01 | Intelligent electrically operated valve executive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103363175A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103729993A (en) * | 2013-12-17 | 2014-04-16 | 上海孚因流体动力设备有限公司 | Wi-Fi (Wireless Fidelity) automatic control system device and application thereof |
| CN104061356A (en) * | 2014-06-30 | 2014-09-24 | 江苏赛达电子科技有限公司 | Wirelessly and remotely controlled valve |
| CN109681654A (en) * | 2019-01-07 | 2019-04-26 | 珠海市广源信科技有限公司 | A kind of system of control speed regulation threshold velocity |
| CN110030422A (en) * | 2019-03-26 | 2019-07-19 | 北京星际荣耀空间科技有限公司 | Flow regulator and adjusting method |
| CN113155019A (en) * | 2021-04-15 | 2021-07-23 | 上海凡亚机电设备有限公司 | Valve opening and closing angle position wireless sensor based on Internet of things |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2898312Y (en) * | 2006-01-17 | 2007-05-09 | 黄作兴 | Shutoff controller of steam-turbine system |
| CN2926622Y (en) * | 2006-05-18 | 2007-07-25 | 程路 | On-line inspection intelligent pneumatic actuating mechanism |
| CN101113793A (en) * | 2007-07-20 | 2008-01-30 | 孙力 | Frequency conversion type intelligent type valve actuator |
| CN201107613Y (en) * | 2007-10-12 | 2008-08-27 | 安徽蓝德集团股份有限公司 | LD intelligent electric operator based on Modbus on site bus |
| CN101858457A (en) * | 2010-03-26 | 2010-10-13 | 潘辉义 | Intelligent electropneumatic valve positioner and control system |
| CN201610970U (en) * | 2010-02-03 | 2010-10-20 | 洛阳博特自动化工程有限公司 | GPRS intelligent electric valve actuating mechanism |
| CN202144763U (en) * | 2011-06-24 | 2012-02-15 | 霸州市华威发动机技术有限公司 | Device for controlling electronic throttle valve of engine |
| CN202561207U (en) * | 2012-04-01 | 2012-11-28 | 洛阳博特自动化工程有限公司 | Intelligent electric valve execution device |
-
2012
- 2012-04-01 CN CN201210096661XA patent/CN103363175A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2898312Y (en) * | 2006-01-17 | 2007-05-09 | 黄作兴 | Shutoff controller of steam-turbine system |
| CN2926622Y (en) * | 2006-05-18 | 2007-07-25 | 程路 | On-line inspection intelligent pneumatic actuating mechanism |
| CN101113793A (en) * | 2007-07-20 | 2008-01-30 | 孙力 | Frequency conversion type intelligent type valve actuator |
| CN201107613Y (en) * | 2007-10-12 | 2008-08-27 | 安徽蓝德集团股份有限公司 | LD intelligent electric operator based on Modbus on site bus |
| CN201610970U (en) * | 2010-02-03 | 2010-10-20 | 洛阳博特自动化工程有限公司 | GPRS intelligent electric valve actuating mechanism |
| CN101858457A (en) * | 2010-03-26 | 2010-10-13 | 潘辉义 | Intelligent electropneumatic valve positioner and control system |
| CN202144763U (en) * | 2011-06-24 | 2012-02-15 | 霸州市华威发动机技术有限公司 | Device for controlling electronic throttle valve of engine |
| CN202561207U (en) * | 2012-04-01 | 2012-11-28 | 洛阳博特自动化工程有限公司 | Intelligent electric valve execution device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103729993A (en) * | 2013-12-17 | 2014-04-16 | 上海孚因流体动力设备有限公司 | Wi-Fi (Wireless Fidelity) automatic control system device and application thereof |
| CN104061356A (en) * | 2014-06-30 | 2014-09-24 | 江苏赛达电子科技有限公司 | Wirelessly and remotely controlled valve |
| CN109681654A (en) * | 2019-01-07 | 2019-04-26 | 珠海市广源信科技有限公司 | A kind of system of control speed regulation threshold velocity |
| CN110030422A (en) * | 2019-03-26 | 2019-07-19 | 北京星际荣耀空间科技有限公司 | Flow regulator and adjusting method |
| CN113155019A (en) * | 2021-04-15 | 2021-07-23 | 上海凡亚机电设备有限公司 | Valve opening and closing angle position wireless sensor based on Internet of things |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202561207U (en) | Intelligent electric valve execution device | |
| CN201610970U (en) | GPRS intelligent electric valve actuating mechanism | |
| CN103363175A (en) | Intelligent electrically operated valve executive device | |
| CN201107613Y (en) | LD intelligent electric operator based on Modbus on site bus | |
| CN202056383U (en) | Intelligent actuator for controlling valve of alternating current machine | |
| CN203162292U (en) | Intelligent control circuit of subway electric air valves | |
| CN101840209A (en) | Intelligent electric actuating mechanism | |
| CN205001610U (en) | Cell -phone remote control executor | |
| CN201075178Y (en) | Multi-step motor controller based on network control | |
| CN209681207U (en) | A kind of electric device for metal works drilling | |
| CN202756729U (en) | Intelligent power drive module of electric actuator | |
| JP2007304641A (en) | Molding machine management system | |
| CN109224322B (en) | Vacuum control system applied to proton treatment device | |
| CN204679788U (en) | A kind of drone version intelligent machine electro hydraulic valve door actuating mechanism controls device | |
| CN103236810B (en) | Intelligent electric machine control protection system | |
| CN201716555U (en) | Intelligent electric actuator | |
| CN209167872U (en) | It is intelligent to fill ring controlled atmosphere film separation and nitrogen-making control system | |
| CN203309281U (en) | Network intelligent control device of knife-shaped gate valve | |
| CN203806885U (en) | Intelligent control system for elevator | |
| CN201834685U (en) | Programmable logic controller (PLC) specially used for crane | |
| CN205638881U (en) | Water supply control ware based on CAN bus | |
| CN105182869A (en) | Remote centralized monitoring system of energy-saving environment-protection storage equipment | |
| CN205809611U (en) | A kind of industrial field bus control system | |
| CN205745546U (en) | A kind of full-automatic multi-functional combined valve controller | |
| CN205210549U (en) | Bus controlling means based on deviceNet net |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131023 |