CN2793483Y - Intelligent electric executing mechanism with variable frequency - Google Patents
Intelligent electric executing mechanism with variable frequency Download PDFInfo
- Publication number
- CN2793483Y CN2793483Y CN 200520107747 CN200520107747U CN2793483Y CN 2793483 Y CN2793483 Y CN 2793483Y CN 200520107747 CN200520107747 CN 200520107747 CN 200520107747 U CN200520107747 U CN 200520107747U CN 2793483 Y CN2793483 Y CN 2793483Y
- Authority
- CN
- China
- Prior art keywords
- motor
- frequency conversion
- electric actuator
- type electric
- worm
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses an intelligent electric actuating mechanism with variable frequency, which comprises a motor and a transmission device, wherein the frequency of the motor is variable, and the transmission device is used for a worm wheel and a worm; the output shaft of the motor is connected with the worm, the worm wheel is driven by the worm and the output shaft is driven by the worm wheel. An integral intelligent control unit with variable frequency is integrated in the utility model; the utility model has the advantages of high centralized control function and stability, and wide purpose. The utility model can be used for carrying out reliable on-off control and frequent adjustment for a valve, and is widely suitable for power plants, heat supply systems, cement plants, iron and steel plants, water supply systems, sewage treatment plants, food industry and chemical plants.
Description
Technical field
The utility model relates to a kind of electric actuator, specifically, relates to a kind of frequency conversion intelligent type electric actuator that is used for valve driving.
Background technique
Conventional electric actuator all is that common electric machine acceleration and deceleration gear is finished; the braking effect of motor and the accurately very difficult control in location; spacing and manual handwheel all is to keep out by force with machinery to realize; switch to valve is controlled the break-make of also just controlling motor power, and motor and valve are not almost had any protection.For conventional electric actuator, motion speed and moment depend on the reduction speed ratio of motor and inner reduction gear, and in a single day reduction speed ratio is determined, just can not change, thereby need a lot of standby redundancies; Even circuit board has also code-type just of band display screen, debug pretty troublesome.
The model utility content
The utility model technical issues that need to address just are to overcome the defective of prior art, a kind of frequency conversion intelligent type electric actuator is provided, it has simplified mechanical structure, reduce manufacturing cost and use cost, need not to change under the situation of its internal mechanical structure, its output shaft rotating speed and moment can set up on their own in certain scope, use very flexible.
For addressing the above problem, the utility model adopts following technological scheme:
The utility model frequency conversion intelligent type electric actuator comprises motor, transmission device, and described motor is a variable-frequency motor; Described transmission device is worm gear, worm gearing, and the output shaft of described motor is connected with worm screw, worm drive worm gear, worm gear drives output shaft.
The counting driving wheel is installed on the worm screw described in the utility model, counter is installed, the gear driven positioning work piece is arranged on the counter by the counter driving wheel.
The other end of worm screw described in the utility model is equipped with the handwheel group, is provided with Returnning spring and two sensitive switches in the described handwheel group.
Worm gear described in the utility model is installed in the housing, and worm screw is laterally run through housing, and motor and handwheel are installed in the and arranged on left and right sides of housing respectively.
Actuator described in the utility model is by the control system control operation, and described control system has two circuit boards to constitute, and one is power panel, and one is control panel.
Power panel design described in the utility model has the autoprotection circuit module, and described control panel design has the periodic maintenance circuit function.
All electric splicing ears of the utility model adopt circular slot form.
Housing described in the utility model is provided with operation panel, operation panel is provided with 4 buttons, one of them is a switching button, other three for the debugging menu or manually the time manual open and close, stop button, in the button on the operation panel minitype electromagnet is housed, the highi degree of accuracy inductor is installed on the control panel, forms wireless communication system between operation panel and the control panel.
Control panel described in the utility model is provided with the simplified form of Chinese Character liquid crystal display, and operation panel is provided with the LCD form.
On the motor described in the utility model high precision thermosensitive resistor is arranged, control panel is determined the true temperature of motor according to the resistance of thermistor, and motor is carried out low-temperature heat and high temperature power-off protection.
The utility model frequency conversion intelligent type electric actuator has been installed variable-frequency motor, has realized the function transferred of speed and moment by the control to variable-frequency motor.
The utility model is by worm drive counter driving wheel, and counter has 8 scopes adjustable, so just can select the speed reducer of different proportion as required, so just can an actuator cooperate 8 kinds of reducing gears to be used.Can also guarantee the precision of positioning work piece guaranteed under the how rotating situation that positioning work piece rotates in certain scope.Control panel has the discriminating direction function: have the gear driven positioning work piece on the worm screw and rotate with final controlling element, judge mechanically operated direction by 2 resistances of configuration switch, no matter clockwise still counterclockwise, positioning work piece is just changeing still counter-rotating and all can correct according to setup parameter.
Two sensitive switches have been installed in the utility model handwheel, one often open one normally closed, have the manual switchover protective function: adopt two microswitches reset and clutch is used for manually and the control of automaticallying switch.Handwheel will recover original position automatically after manually-operable finishes.Control system judges whether manually that according to the state of sensitive switch the control function in the time of manually on the control panel just is under an embargo.Also have a spring below two sensitive switches, when press handwheel when manual sensitive switch action control panel just stop actuating signal to motor, unclamp the back handwheel and automatically reset.
The utility model power panel adopts large bulk capacitance, can charge automatically after the power supply, and for the safety that guarantees power supply has automatic monitoring power supply, the about 10 seconds rear control plates in power supply back are started working, and prevents that misoperation outage back from keeping rear control plate outage in 10 seconds to quit work; Can discern the Xiang Xu of three power supplys automatically.Automatically stop to guarantee the safety of control panel and motor when power supply is too high or too low to control panel power supply.
The state of valve detects the state of actuator after the control panel work, if can provide the requirement of the setting state of valve when not setting; If valve state will carry out work according to the requirement of given signal after setting and finishing.
The utility model uses the Wireless remote control operation panel, various inconvenience when having avoided with lead, and debugging need not to tear open any cover cap, has greatly saved debug time and energy.
The form of circular slot is all adopted in the connection of all inner electrical ends of the utility model, makes cylindrical connector assembly with fine copper, and slot has only a direction to insert simultaneously, has avoided the possibility of makeing mistakes.Because the internal signal in actuator all is a micro-signal, interference free performance is strengthened greatly like this, so just can avoid extraneous undesired signal to enter in the control panel, has strengthened filtering and antijamming capability.
The utility model parameter is provided with simply, selects needed each function according to menu, and what show in display screen is the simplified form of Chinese Character menu, simple and clear; Parameter is provided with a password (all is all identical), just can carry out the parameter setting behind the given password, has so just avoided the behavior of amateur commissioning staff's change parameter, protects final controlling element to be operated in correct status conscientiously.If can also watch out place and the reason that breaks down by menu during fault.
The utlity model has clockwise and be rotated counterclockwise, signal determine that the rising according to the resistance of positioning work piece still is to descend to judging, so though final controlling element turn to and positioning work piece between clockwise or the cooperation of counterclockwise signal all can judge the signal of valve position and provide correct valve position signal.
The utlity model has the function of adjusting the final controlling element motion speed, after the selection by menu, the variation of the given frequency of variable-frequency motor is changed the motor motion speed by frequency variator.Receive at final controlling element simultaneously and accelerate to the command speed operation when signal brings into operation gradually, before specified position, slow down gradually, stop at last; Avoided the unexpected startup of motor like this and stopped, having reduced collision, significantly reduced mechanical wear final controlling element mechanical structure; Improved the mechanical life under the same case, simultaneously also avoided motor, improved stability and control accuracy greatly owing to excessive velocities exceeds the motor concussion repeatedly back and forth that the scope of appointment occurs.
On the utility model motor thermistor is arranged, control panel is determined the true temperature of motor according to the resistance of thermistor, if the resistance of thermistor can be along with change when the temperature of motor rose, when rising to specified temperature, control panel will be protected motor; If heat to motor automatically when temperature is lower than 0 ℃.
The utlity model has the moment of torsion measuring ability: the output torque of three phase alternating current motor is determined by the inverse electromotive force on frequency, voltage, electric current and the motor of threephase AC; by the torque characteristics of motor combine motor steady-state equation, can calculate output torque, in running, can adjust output torque according to the actual needs and can also carry out force moment protection.
The utlity model has the motor rotation blockage protection; when inside given detect actual position signal behind the signal of electric motor starting simultaneously; after the actuating signal of motor and actual position does not change, starting electrical machinery stall function stops signals that all give motor simultaneously immediately when given.
The inner integrated integrated frequency conversion intelligent control unit of the utility model, has high concentration control function and stability, of many uses, can carry out reliable switch control and frequent the adjusting to valve, be widely used in power plant, heating system, cement plant, Iron And Steel Plant, water system, sewage treatment works, food industry and chemical plant.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model control system function module schematic diagram.
Embodiment
As shown in Figure 1; the utility model frequency conversion intelligent type electric actuator; comprise motor 1, transmission device, described motor is a variable-frequency motor, and thermistor is arranged on the motor; control panel is determined the true temperature of motor according to the resistance of thermistor; motor is protected, and described transmission device is worm gear 2, worm screw 3 driving mechanisms, and the output shaft of described motor is connected with worm screw; the worm drive worm gear, worm gear drives output shaft 4.
The counter driving wheel is installed on the worm screw described in the utility model, counter 5 is installed, drive positioning work piece 15 by counter gear by the counter driving wheel.
The other end of worm screw described in the utility model is equipped with handwheel group 6, is provided with Returnning spring 7 and two sensitive switches 8 in the described handwheel group.
Worm gear described in the utility model is installed in the housing 9, and worm screw is laterally run through housing, and motor and handwheel are installed in the and arranged on left and right sides of housing respectively.
Actuator described in the utility model is by the control system control operation, and described control system has two circuit boards to constitute, and one is that 10, one of power panels are control panels 11.Described control panel design has autoprotection circuit module and periodic maintenance circuit module.
The utility model circuit board adopts circular slot form with the outside terminal that is connected 16.
Housing described in the utility model is provided with operation panel 12, operation panel is provided with 4 buttons 13, one of them is a switching button, other three for the debugging menu or manually the time the manual pulley open and close, stop button, in the button on the operation panel minitype electromagnet is housed, the highi degree of accuracy inductor is installed on the control panel, forms wireless communication system between operation panel and the control panel.
Control panel described in the utility model is provided with Chinese liquid crystal display, and operation panel is provided with LCD form 14.
The utility model control system function module schematic diagram as shown in Figure 2.
The utility model is for how rotating, realize electric spacing fully, by being connected of the counter actuation gear that joins with worm screw, directly drive two gear train work in the counter, decide suitable ratio by the position of a speed regulation gear, drive the rotation of positioning work piece so again by counter, so just can allow positioning work piece in specified scope, rotate within a large range.Guaranteed that like this valve locating accuracy has realized that also the speed reducer of same actuator and different proportion is used simultaneously.The loaded down with trivial details while that has reduced of a sort actuator and have a lot of models has also reduced the quantity of client's standby redundancy.
Claims (10)
1, a kind of frequency conversion intelligent type electric actuator comprises motor, transmission device, it is characterized in that: described motor is a variable-frequency motor, described transmission device is worm gear, worm gearing, the output shaft of described motor is connected with worm screw, worm drive worm gear, worm gear drives output shaft.
2, frequency conversion intelligent type electric actuator as claimed in claim 1 is characterized in that: the counting driving wheel is installed on the described worm screw, by the counter driving wheel counter is installed, have the gear driven positioning work piece on the counter.
3, frequency conversion intelligent type electric actuator as claimed in claim 1 or 2, it is characterized in that: the other end of described worm screw is equipped with the handwheel group, is provided with Returnning spring and two sensitive switches in the described handwheel group.
4, frequency conversion intelligent type electric actuator as claimed in claim 3, it is characterized in that: described worm gear is installed in the housing, and worm screw is laterally run through housing, and motor and handwheel are installed in the and arranged on left and right sides of housing respectively.
5, frequency conversion intelligent type electric actuator as claimed in claim 4 is characterized in that: described actuator is by the control system control operation, and described control system has two circuit boards to constitute, and one is power panel, and one is control panel.
6, frequency conversion intelligent type electric actuator as claimed in claim 5 is characterized in that: described power panel design has the autoprotection circuit module, and described control panel design has the periodic maintenance circuit function.
7, frequency conversion intelligent type electric actuator as claimed in claim 6, it is characterized in that: all electric splicing ears adopt circular slot form.
8, frequency conversion intelligent type electric actuator as claimed in claim 7, it is characterized in that: described housing is provided with operation panel, operation panel is provided with 4 buttons, one of them is a switching button, other three for the debugging menu or manually the time manual open and close, stop button, in the button on the operation panel minitype electromagnet is housed, the highi degree of accuracy inductor is installed on the control panel, form wireless communication system between operation panel and the control panel.
9, frequency conversion intelligent type electric actuator as claimed in claim 8, it is characterized in that: described control panel is provided with the simplified form of Chinese Character liquid crystal display, and the LCD form is arranged on the operation panel.
10, frequency conversion intelligent electric actuator as claimed in claim 9; it is characterized in that: on the described motor high precision thermosensitive resistor is arranged; control panel is determined the true temperature of motor according to the resistance of thermistor, and motor is carried out low-temperature heat and high temperature power-off protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520107747 CN2793483Y (en) | 2005-05-31 | 2005-05-31 | Intelligent electric executing mechanism with variable frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520107747 CN2793483Y (en) | 2005-05-31 | 2005-05-31 | Intelligent electric executing mechanism with variable frequency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2793483Y true CN2793483Y (en) | 2006-07-05 |
Family
ID=36820628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520107747 Expired - Fee Related CN2793483Y (en) | 2005-05-31 | 2005-05-31 | Intelligent electric executing mechanism with variable frequency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2793483Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156423A (en) * | 2011-03-31 | 2011-08-17 | 上海平安高压调节阀门有限公司 | Noninvasive intelligent electric executing mechanism |
| CN103185161A (en) * | 2008-07-18 | 2013-07-03 | 芙罗服务管理公司 | Speed-variable actuator |
| US9188237B2 (en) | 2008-07-18 | 2015-11-17 | Flowserve Management Company | Variable-speed actuator |
| CN105351594A (en) * | 2015-12-11 | 2016-02-24 | 天津市津达执行器有限公司 | Manual and electric conversion structure of electric actuator |
| US10094485B2 (en) | 2008-07-18 | 2018-10-09 | Flowserve Management Company | Variable-speed actuator |
| CN110778782A (en) * | 2018-07-27 | 2020-02-11 | 阿自倍尔株式会社 | Working mode judging device and method of positioner |
-
2005
- 2005-05-31 CN CN 200520107747 patent/CN2793483Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185161A (en) * | 2008-07-18 | 2013-07-03 | 芙罗服务管理公司 | Speed-variable actuator |
| US9188237B2 (en) | 2008-07-18 | 2015-11-17 | Flowserve Management Company | Variable-speed actuator |
| CN103185161B (en) * | 2008-07-18 | 2016-07-06 | 芙罗服务管理公司 | variable speed actuator |
| US10094485B2 (en) | 2008-07-18 | 2018-10-09 | Flowserve Management Company | Variable-speed actuator |
| CN102156423A (en) * | 2011-03-31 | 2011-08-17 | 上海平安高压调节阀门有限公司 | Noninvasive intelligent electric executing mechanism |
| CN102156423B (en) * | 2011-03-31 | 2013-01-23 | 上海平安高压调节阀门有限公司 | Noninvasive intelligent electric executing mechanism |
| CN105351594A (en) * | 2015-12-11 | 2016-02-24 | 天津市津达执行器有限公司 | Manual and electric conversion structure of electric actuator |
| CN110778782A (en) * | 2018-07-27 | 2020-02-11 | 阿自倍尔株式会社 | Working mode judging device and method of positioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2793483Y (en) | Intelligent electric executing mechanism with variable frequency | |
| CN103934789B (en) | A kind of torque control method of intelligent electric torque wrench | |
| CN201739607U (en) | Electric valve actuator | |
| JP4118702B2 (en) | Intelligent valve actuator | |
| CN111089164B (en) | Gear shifting actuator | |
| CN1877983B (en) | Frequency conversion controller controlled by electronic control unit | |
| CN204886764U (en) | Servo electric actuator | |
| CN105448554A (en) | Motor-operating mechanism with wide-angle output | |
| CN201606154U (en) | Concrete pump and engine throttle control device thereof | |
| CN110778768A (en) | Electric valve capable of realizing corner closed-loop control and control method | |
| CN201934753U (en) | Electric actuating mechanism | |
| CN101840209A (en) | Intelligent electric actuating mechanism | |
| KR20050036923A (en) | A proportional control valve system | |
| CN102109397A (en) | Dynamic detecting device of torque of electric actuating mechanism | |
| CN103506191A (en) | Automatic blockage regulation device and impact breaker | |
| CN203565142U (en) | Automatic material clamping adjusting device and impact crusher | |
| CN204130370U (en) | Wide-angle output motor operating mechanism | |
| CN201716555U (en) | Intelligent electric actuator | |
| CN211649028U (en) | Gear shifting actuator | |
| CN114314402A (en) | Clothes airing machine lifting control method and clothes airing machine lifting control device | |
| CN209606814U (en) | A kind of automation interactive movement controller | |
| CN215416301U (en) | Novel automatic actuator's intelligence control system | |
| CN2814067Y (en) | Electric device comprehensive controller for valve | |
| CN218818485U (en) | Multi-rotation electric actuator based on gear transmission | |
| CN219871680U (en) | Soft water valve motor detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060705 Termination date: 20130531 |