CN201351756Y - Electrically operated valve drive unit and control system thereof - Google Patents
Electrically operated valve drive unit and control system thereof Download PDFInfo
- Publication number
- CN201351756Y CN201351756Y CNU2009201364300U CN200920136430U CN201351756Y CN 201351756 Y CN201351756 Y CN 201351756Y CN U2009201364300 U CNU2009201364300 U CN U2009201364300U CN 200920136430 U CN200920136430 U CN 200920136430U CN 201351756 Y CN201351756 Y CN 201351756Y
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Abstract
The utility model relates to the field of electrically operated valves, in particular to a driving device of the electrically operated valve and an electric control system driven by the driving device. The electrically operated valve drive unit at least comprises a shell and the electric control system arranged therein, a driving motor, a decelerating mechanism and an encoder. The electrically operated valve drive unit is also provided with an emergency hand wheel which is mechanically connected with the motor shaft of the driving motor. The electric control system used for the electrically operated valve drive unit comprises a power module and a control module, wherein the power module comprises a switch power supply part and a driving power supply part, and the control module is a DSP control module. The valve drive unit and the control system thereof have advanced technology, small size and compact structure, can provide high torque at low rotating speed, and can open and close the valve according to the need of the users.
Description
Technical field
The utility model relates to the electric valve field, relates in particular to a kind of drive unit of electric valve and drives electric control system.
Background technique
The electrodynamic type Valve Drive System is the system that carries out telecontrol and local emergent control at the boats and ships valve.Mainly be to butterfly valve, the system that the valve of ball valve and other 0-90 ° of rotating open-close carries out electronic control.System can carry out random control to the sense of rotation of valve, rotating speed, moment of torsion, location etc. according to user's needs, realizes valve on the ship is carried out remote auto control.We know, because shipbuilding needs, some valve is installed in the position that the staff is not easy to arrive or inconvenience frequently enters, it is convenient that system both provided this to install, the personnel that also solved run back and forth, frequently the manually-operable valve is tired, improves the automaticity and the reliability of personnel's working efficiency and boats and ships control system.
Valve driver control system in the market mainly contains 2 kinds of control type, is respectively hydraulic pressure and pneumatic.
The hydraulic pressure form generally has 2 kinds, and a kind of is the hydraulic power unit control of concentrating, and we are referred to as hydraulic type and drive, generally be placed in the control room, tube bank is many, two-way oil inlet and oil return pipe to each valve driving, emergent switching can be pulled valve handle by special tool, also available portable oil hydraulic pump; Second kind is that independently fluid head is arranged on each hydrovalve, and motor, pump and fuel tank concentrate in together, and we are referred to as electrolyte type and drive, only need cable to connect, mounting type compares that the former is more convenient, is exactly that price comparison is expensive, and emergent switching has only and uses portable oil hydraulic pump.
Pneumatic form low price, two kinds of the charged magnet valve controls of concentrated electromagnetic valve group control and valve head are arranged, emergent switching can be passed through special tool, also available portable air pump, shortcoming are that tube bank is many, need connect cable to solenoid valve, response time is long, the control less stable, the application on the boats and ships at present is fewer, more is to use on other industrial fields.
The model utility content
The utility model proposes a kind of intelligent electric formula valve driver at the deficiency of above valve driver.
The utility model is to adopt following technological scheme to realize:
Electromechanical valve actuator of the present utility model comprises shell and the electric control system, drive motor, reducing gear and the encoder that are arranged at wherein at least,
Electric control system is electrically connected at described drive motor, and its input end connects in order to receive the drive instruction signaling line, and output terminal connects in order to send drive motor action control signal line;
Drive motor is electrically connected at the drive control signal line output terminal of described electric control system; Motor shaft is mechanically connected to slowing-down structure;
Slowing-down structure, a terminal tool is connected in the motor shaft of described drive motor, and the other end is mechanically connected to the valve driver output shaft;
Encoder is arranged at the valve driver output shaft under the described slowing-down structure.
Further, electromechanical valve actuator also is provided with the instant operation handwheel, and described instant operation handwheel is mechanically connected to the motor shaft of described drive motor.
The electric control system that is used for described electromechanical valve actuator comprises power module and control module, and described power module comprises switch power part and driving power part, and described control module is the DSP control module.
Further, described switch power partly comprises rectifier bridge heap, transformer, filter capacitor, intelligent AC selector, peak value switch and photo coupler, described rectifier bridge heap is connected in power input, and be connected with transformer behind the connection filter capacitor, another road connects described intelligent AC selector, peak value switch and photo coupler.
Further, described driving power partly is via power management chip, and an end is connected in behind the semiconductor switch to transformer coil one end, and the other end is connected in behind the semiconductor switch to the transformer coil the other end; Described managing chip comprise a driver and via behind the level translator to another driver, this driver also is connected in the PWM assembly, output end of driver is connected in described power management chip output terminal.
Further, described control module is a dsp controller, is connected with voltage/current on it and adjusts circuit, drive circuit, speed/positional sensing module and communication module.
Further, described communication module is CANOpen bus communication module or MODbus bus communication module or digital communications module or simulation control communication module.
The utility model adopts as above technological scheme, compares traditional valve control system and has following advantage:
On the other hand, valve driver of the present utility model and control system advanced technology thereof, profile is little, and compact shape can provide high moment of torsion under the slow-speed of revolution, and according to user's needs opening and closing valve.And the employing brushless electric machine does not produce spark, and the security level height is IP68, has explosion prevention function; And non-maintaining, simple installation only needs 220V AC power supplies and actuating cable; And have good operational reliability, an absolute value encoder that has adjustable terminal point has substituted traditional mechanical type end switch; And can under nearly all operating environment, keep dry, the motor coil of self also serves as heating unit; The control system that this driver uses adopts integrated circuit board, and it is little to take up room.The various control system is applicable to different job requirements, can adopt CANOpen, the control of MODbus bus form, and technology is more advanced.
Description of drawings
Fig. 1 is a working principle block diagram of the present utility model;
Fig. 2 is a section of structure of the present utility model;
Fig. 3 is a structure explosive view of the present utility model;
Fig. 4 is the circuit theory diagrams of switch power part of the present utility model;
Fig. 5 is the circuit theory diagrams of driving power part of the present utility model;
Fig. 6 is the circuit theory diagrams of control module of the present utility model.
Embodiment
Existing accompanying drawings and embodiment further specify the utility model.
Consult shown in Figure 1, working principle of the present utility model is: after external control signal communicates driver control system 1, after control system 1 internal arithmetic, the control electric current enters drive motor 5, drive motor 5 is started working, drive motor 5 drives reducing gear 4, and reducing gear 4 rotates the back and by output shaft 3 moment of torsion outputed on the external loading (valve rod of valve).Be provided with encoder 2 on output shaft 3 next doors, rotation to output shaft 3 is monitored, and in real time the angle position signal of output shaft 3 is transferred on the control system 1, accuracy in the hope of the rotation angle of output shaft 3, because in the time of work, output shaft 3 and load valve link together, and guarantee the accuracy of output shaft 3 rotation angles, also just guarantee the accuracy of valve open and closed position.What the outer cover of this driver was used is aluminum alloy material, in light weight, the general usefulness of other similar products be ironware, by contrast, the envelope-bulk to weight ratio of this driver is little.
Consult Fig. 2 and shown in Figure 3, electromechanical valve actuator of the present utility model comprises shell 6 and the electric control system 1, drive motor 5, reducing gear 4 and the encoder 2 that are arranged at wherein at least;
Slowing-down structure 4, one terminal tools are connected in the motor shaft of described drive motor 5, and the other end is mechanically connected to valve driver output shaft 3;
Described electromechanical valve actuator also is provided with instant operation handwheel 7; described instant operation handwheel 7 is mechanically connected to the motor shaft of described drive motor 5; the outer side surface of instant operation handwheel 7 is with handwheel safety cover 8; when needs carry out instant operation, just open behind the handwheel safety cover 8 again to anxious operation handwheel 7 operations.
The electric control system 1 of this valve driver comprises power module and control module, and described power module comprises switch power part and driving power part, and described control module is the DSP control module.
Consult shown in Figure 4, described switch power partly comprises rectifier bridge heap, transformer, filter capacitor, intelligent AC selector, peak value switch and photo coupler, described rectifier bridge heap is connected in the AC/DC power input, and be connected with transformer behind the connection filter capacitor, another road connects described intelligent AC selector, peak value switch and photo coupler, the employing of peak value switch and photo coupler can well shield ripple and disturb, and more stable power output is provided.
Consult shown in Figure 5ly, described driving power partly is via power management chip, and an end is connected in behind the semiconductor switch to transformer coil one end, and also in parallel one starts electric capacity, and the other end is connected in behind the semiconductor switch to the transformer coil the other end; Described managing chip comprise a driver and via behind the level translator to another driver, this driver also is connected in the PWM assembly, by PWM driver is exported control, output end of driver is connected in described power management chip output terminal.
Consult shown in Figure 6ly, described control module is a dsp controller, is connected with voltage/current on it and adjusts circuit, drive circuit, speed/positional sensing module and communication module.Dsp controller also is connected in the error protection module.Dsp controller receives error protection module, voltage/current and adjusts behind circuit, the speed/positional sensing module signal calculation process again; the output corresponding electric signal is to drive circuit, and the circuit of power factor correction that exports power module to by drive circuit is regulated and control motor again.Described SP controller connects and also is used for the communication module interactive signal, described communication module is CANOpen bus communication module or MODbus bus communication module or digital communications module or simulation control communication module, in addition, described SP controller is also in other logic module interaction process operational datas.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but the those skilled in the art should be understood that; in the spirit and scope of the present utility model that do not break away from appended claims and limited; can make various variations to the utility model in the form and details, be protection domain of the present utility model.
Claims (7)
1. electromechanical valve actuator is characterized in that: comprises shell at least and is arranged at wherein electric control system, drive motor, reducing gear and encoder,
Electric control system is electrically connected at described drive motor, and its input end connects in order to receive the drive instruction signaling line, and output terminal connects in order to send drive motor action control signal line;
Drive motor is electrically connected at the drive control signal line output terminal of described electric control system; Its motor shaft is mechanically connected to slowing-down structure;
Slowing-down structure, a terminal tool is connected in the motor shaft of described drive motor, and the other end is mechanically connected to the valve driver output shaft;
Encoder is arranged at the valve driver output shaft under the described slowing-down structure.
2. electromechanical valve actuator as claimed in claim 1 is characterized in that: electromechanical valve actuator also is provided with the instant operation handwheel, and described instant operation handwheel is mechanically connected to the motor shaft of described drive motor.
3. be used for the electric control system of electromechanical valve actuator according to claim 1, it is characterized in that: comprise power module and control module, described power module comprises switch power part and driving power part, and described control module is the DSP control module.
4. electric control system as claimed in claim 3, it is characterized in that: described switch power partly comprises rectifier bridge heap, transformer, filter capacitor, intelligent AC selector, peak value switch and photo coupler, described rectifier bridge heap is connected in power input, and be connected with transformer behind the connection filter capacitor, another road connects described intelligent AC selector, peak value switch and photo coupler.
5. electric control system as claimed in claim 3, it is characterized in that: described driving power partly is via power management chip, one end is connected in behind the semiconductor switch to transformer coil one end, and the other end is connected in behind the semiconductor switch to the transformer coil the other end; Described managing chip comprise a driver and via behind the level translator to another driver, this driver also is connected in the PWM assembly, output end of driver is connected in described power management chip output terminal.
6. electric control system as claimed in claim 3 is characterized in that: described control module is a dsp controller, is connected with voltage/current on it and adjusts circuit, drive circuit, speed/positional sensing module and communication module.
7. electric control system as claimed in claim 6 is characterized in that: described communication module is CANOpen bus communication module or MODbus bus communication module or digital communications module or simulation control communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201364300U CN201351756Y (en) | 2009-01-16 | 2009-01-16 | Electrically operated valve drive unit and control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201364300U CN201351756Y (en) | 2009-01-16 | 2009-01-16 | Electrically operated valve drive unit and control system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201351756Y true CN201351756Y (en) | 2009-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2009201364300U Expired - Lifetime CN201351756Y (en) | 2009-01-16 | 2009-01-16 | Electrically operated valve drive unit and control system thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713473B (en) * | 2009-12-29 | 2011-05-25 | 河北工业大学 | Device for carrying out valve microstep regulation by utilizing permanent magnet synchronous motor and realizing method thereof |
| CN102402228A (en) * | 2010-09-15 | 2012-04-04 | 罗伯特·博世有限公司 | Method For Controlling A Ballistic Movement Of A Retaining Element Of A Valve |
| CN102954268A (en) * | 2012-09-04 | 2013-03-06 | 绍兴文理学院 | Distributed control system for electrically operated valves |
| CN103697214A (en) * | 2013-12-23 | 2014-04-02 | 卓旦春 | Intelligent valve and control method thereof |
| CN103775416A (en) * | 2012-10-22 | 2014-05-07 | 罗伯特·博世有限公司 | Valve system |
| CN104879550A (en) * | 2015-05-19 | 2015-09-02 | 浙江大学 | Electric valve of water supply pipe network and water supply pipe network external source invasion measuring system |
| CN105972288A (en) * | 2016-05-31 | 2016-09-28 | 新疆天脉农业智控科技有限公司 | Power-storing type intelligent control electrically operated valve for irrigation |
-
2009
- 2009-01-16 CN CNU2009201364300U patent/CN201351756Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713473B (en) * | 2009-12-29 | 2011-05-25 | 河北工业大学 | Device for carrying out valve microstep regulation by utilizing permanent magnet synchronous motor and realizing method thereof |
| CN102402228A (en) * | 2010-09-15 | 2012-04-04 | 罗伯特·博世有限公司 | Method For Controlling A Ballistic Movement Of A Retaining Element Of A Valve |
| CN102402228B (en) * | 2010-09-15 | 2016-10-26 | 罗伯特·博世有限公司 | The method triggering the ballistic movement of valve atretic body |
| CN102954268A (en) * | 2012-09-04 | 2013-03-06 | 绍兴文理学院 | Distributed control system for electrically operated valves |
| CN103775416A (en) * | 2012-10-22 | 2014-05-07 | 罗伯特·博世有限公司 | Valve system |
| CN103697214A (en) * | 2013-12-23 | 2014-04-02 | 卓旦春 | Intelligent valve and control method thereof |
| CN103697214B (en) * | 2013-12-23 | 2017-02-08 | 沃尔达环境技术江苏股份有限公司 | Intelligent valve and control method thereof |
| CN104879550A (en) * | 2015-05-19 | 2015-09-02 | 浙江大学 | Electric valve of water supply pipe network and water supply pipe network external source invasion measuring system |
| CN105972288A (en) * | 2016-05-31 | 2016-09-28 | 新疆天脉农业智控科技有限公司 | Power-storing type intelligent control electrically operated valve for irrigation |
| CN105972288B (en) * | 2016-05-31 | 2018-06-05 | 新疆天脉农业智控科技有限公司 | Electricity-storage type intelligent control irrigation motor-driven valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ELTORQUE AUTOMATION (XIAMEN) LTD. Free format text: FORMER OWNER: GREENWAY TECHNOLOGY (XIAMEN) LTD. Effective date: 20110624 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 361000 EAST SIDE OF 5F, BUILDING 6, NEW TIMES FACTORY BUILDING, NO. 1, HULI AVENUE, XIAMEN CITY, FUJIAN PROVINCE TO: 361000 EAST SIDE OF 5/F, FACTORY BUILDING 6 OF CATIC, NO. 1, HULI AVENUE, HULI DISTRICT, XIAMEN CITY, FUJIAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110624 Address after: 361000, No. 1, Huli Road, Huli District, Huli District, Fujian, China, No. 6, floor 5, east of Xiamen Patentee after: Pioneer automation (Xiamen) Co., Ltd. Address before: 361000, No. 1, building 5F, building 6, new times factory, No. 3 Huli Avenue, Xiamen, Fujian Patentee before: Greenway Technology (Xiamen) Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091125 |