CN219796287U - Intelligent electric actuating mechanism - Google Patents
Intelligent electric actuating mechanism Download PDFInfo
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- CN219796287U CN219796287U CN202321277184.7U CN202321277184U CN219796287U CN 219796287 U CN219796287 U CN 219796287U CN 202321277184 U CN202321277184 U CN 202321277184U CN 219796287 U CN219796287 U CN 219796287U
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- reduction mechanism
- planetary reduction
- processor
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- 230000007246 mechanism Effects 0.000 title claims abstract description 44
- 238000009434 installation Methods 0.000 claims abstract description 29
- 230000009467 reduction Effects 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000006854 communication Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000004092 self-diagnosis Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007175 bidirectional communication Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The utility model provides an intelligent electric actuating mechanism, and relates to the technical field of electric actuating mechanisms. Comprises a mounting shell, a motor, a control structure and a mechanical driving structure; the mechanical driving structure comprises a worm wheel, a worm and a planetary reduction mechanism which are arranged in the installation shell, the worm penetrates through the installation shell and extends outwards, the worm is connected with the planetary reduction mechanism through worm wheel transmission, and the motor is arranged on the outer side wall of the installation shell and connected with the worm in a transmission manner; the output end of the planetary reduction mechanism is provided with a connecting component which is matched with the rotating structure of the valve, the connecting component comprises a flexible shaft connector which is in transmission connection with the output end of the planetary reduction mechanism, the rotating screw rod of the valve can be locked on the flexible shaft connector by utilizing a limiting plate in the connecting component to be matched with a locking spring, and the rotating screw rod of the valve with different diameters can be matched with the rotating screw rod, so that the application range of the device can be increased.
Description
Technical Field
The utility model relates to the technical field of electric execution mechanisms, in particular to an intelligent electric execution mechanism.
Background
An electric actuator is a drive device that provides linear or rotational motion and uses electrical energy to operate by controlling an electric motor under control of a control signal. The basic type of the device has two using modes of angular travel and straight travel. The electric valve has the advantages of convenient energy taking, high signal transmission speed, long transmission distance and convenient centralized control, and is commonly used for being matched with various valves to form an electric valve or an electric regulating valve.
In recent years, electric actuators have been developed rapidly, and many manufacturers have successively introduced intelligent electric actuators with field bus communication protocols. The novel intelligent electric actuator integrates the servo amplifier and the actuating mechanism into a whole by utilizing microcomputer and field bus communication technology, not only realizes the functions of bidirectional communication, PID regulation, on-line automatic calibration, self-correction, self-diagnosis and other control technical requirements, but also adds the functions of stroke protection, over-torque protection, motor overheat protection, power-off signal protection, field valve position indication output, fault alarm and the like. The device can perform on-site operation or remote operation to complete manual operation and non-disturbance switching between manual operation and automatic operation.
Along with the improvement of industrial automation control requirements, the small-caliber valve is gradually replaced by the manual valve to the electric valve, and the intelligent multi-rotation electric actuator commonly used in the market at present mainly aims at the large-caliber valve, and the intelligent electric actuator matched with the small-caliber multi-rotation valve has large volume, heavy weight and high requirement on installation space, and cannot be adapted.
Disclosure of Invention
The utility model aims to provide an intelligent electric actuator which can solve the problems of the background art.
The technical scheme of the utility model is realized as follows:
the utility model provides an intelligent electric actuating mechanism, which comprises a mounting shell, a motor, a control structure and a mechanical driving structure, wherein the mounting shell is provided with a first driving mechanism and a second driving mechanism; the mechanical driving structure comprises a worm wheel, a worm and a planetary reduction mechanism, wherein the worm wheel, the worm and the planetary reduction mechanism are arranged in the installation shell, the worm penetrates through the installation shell and then extends outwards, the worm is connected with the planetary reduction mechanism through worm gear transmission, the motor is arranged on the outer side wall of the installation shell and is connected with the worm transmission, and a connecting component matched with the rotating structure of the valve is arranged at the output end of the planetary reduction mechanism.
In some technical schemes of the utility model, the connecting component comprises a flexible shaft connector in transmission connection with the output end of the planetary reduction mechanism, a shaft lever in transmission connection with the output end of the flexible shaft connector is arranged on the output end of the flexible shaft connector, a mounting shaft sleeve is sleeved on the shaft lever, a plurality of limiting plates are arranged on the outer side wall of the shaft lever in a surrounding mode, the limiting plates are spliced to form a circular-table-shaped locking piece, the small diameter end of the locking piece deviates from the shaft lever, and locking springs corresponding to the limiting plates one by one are arranged in the mounting shaft sleeve.
In some technical schemes of the utility model, the end part of the limiting plate is provided with a limiting block, and the outer side wall of the limiting block is provided with concave-convex nicks.
In some embodiments of the present utility model, the control structure includes a processor, an information collector, a display, and an alarm; the motor, the information collector, the display and the alarm are all electrically connected with the processor.
In some technical schemes of the utility model, a radiator is arranged in the installation shell, and a radiating hole is arranged on the outer side wall of the installation shell.
In some technical schemes of the utility model, the information collector comprises a position sensor, a current transformer, an analog signal acquisition module and a temperature sensor, wherein the position sensor is arranged on the worm wheel, the analog signal acquisition module is electrically connected between the current transformer and the processor, the current transformer is electrically connected with a power supply, and the temperature sensor is electrically connected with the processor.
In some embodiments of the utility model, the alarm comprises a buzzer alarm connected to the processor.
Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:
the information acquired by the information acquisition device is sent to the processor for monitoring, the temperature sensor solves the problem that the operating environment temperature of the control panel is high, the display displays the temperature information of the equipment, and the temperature is greater than a set value, and the fan is started to perform heat dissipation treatment; ensuring that the components work in a reasonable temperature range. The external control signal collects the switching value signal and the 4-20mA analog signal, when the signal loss is detected, a motor control command is given, and the motor control command is respectively at any position of stop and middle, so that self-modification definition can be realized. The current signal acquisition of the current transformer is used for valve locked-rotor, when the detected current is more than 1.5 times of a set value and exceeds 3 seconds, the detected current can be regarded as motor locked-rotor, an alarm is given through an alarm, a signal is sent to a remote control station through a passive contact, a display displays a command of running in the opposite direction for 3 seconds through an intelligent control system, and locked-rotor is removed; the intelligent control system is provided with the voltage module with isolation, has the advantages of small volume, interference resistance, surge resistance, small temperature influence, stable output and the like, collects and outputs voltage and current signals of the intelligent control system, monitors the voltage and current signals, and can timely early warn and replace abnormal conditions without delaying production, thereby being fast and convenient. The information monitoring can be carried out through Bluetooth wireless remote information interaction, and user grades are set to obtain the readable and writable parameters behind the permission; the parameter information may also be read via a MODBUS bus. The setting and modification of the parameter information can be modified through a display except the wireless Bluetooth wireless remote, and the user grade is required to be met, otherwise, only reading operation can be performed, and writing operation cannot be performed; and the position sensor arranged on the worm wheel is convenient for regulating and controlling the opening and closing state of the device after being matched with the valve.
The utility model can early warn potential problems of the executing mechanism in the running process in advance, carry out parameter adjustment or self-diagnosis treatment on the found problems, and carry out authority classification on users, thereby being beneficial to use and maintenance and avoiding damaging the electric executing mechanism due to improper operation; therefore, the intelligent control system can realize early warning operation, fault processing and problem feedback through various ways under the condition of monitoring the executing mechanism in real time, and optimize and upgrade the intelligent function of the electric executing mechanism.
The connecting component can force the electric actuating mechanism and the valve to be arranged in a split mode, when the valve is used, the installation shell is fixed on the shell of the valve through screws or bolts under the cooperation of buckles, then the output end of the planetary reduction mechanism positioned in the installation shell and the rotating screw rod of the valve are respectively in butt joint through the flexible shaft connector, and after the output end of the arranged planetary reduction mechanism is inserted into the shaft sleeve of the flexible shaft connector, the output end of the planetary reduction mechanism is connected through a bolt; and the installation axle sleeve is sleeved on the axle rod, a plurality of limiting plates are arranged on the outer side wall of the axle rod in a surrounding mode, the locking pieces are in a round table shape after being spliced by the limiting plates, the small diameter ends of the locking pieces deviate from the axle rod, locking springs in one-to-one correspondence with the limiting plates are arranged in the installation axle sleeve, when the rotating screw rod of the valve needs to be in butt joint with the rotating screw rod of the valve, the rotating screw rod of the valve can be locked on the flexible shaft connector by utilizing the matching of the limiting plates and the locking springs, and therefore the rotating screw rod of the valve with different diameters can be adapted, and the application range of the device can be increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the mounting structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the mounting housing of the present utility model;
FIG. 3 is a schematic sectional view of a connection assembly of the present utility model;
fig. 4 is a schematic top view of the connection assembly according to the present utility model.
Icon: 1. a valve; 2. a mounting shell; 3. a flexible shaft connector; 4. a display; 5. a heat sink; 6. installing a sliding sleeve; 7. a planetary reduction mechanism; 8. a worm; 9. a worm wheel; 10. a processor; 11. a limiting plate; 12. a limiting block; 13. a locking spring; 14. a telescopic rod; 15. a slide block; 16. a shaft lever; 17. a temperature sensor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Example 1
Please refer to fig. 1-4.
The utility model provides an intelligent electric actuating mechanism, which comprises a mounting shell 2, a motor, a control structure and a mechanical driving structure, wherein the mounting shell is provided with a plurality of driving circuits; the mechanical driving structure comprises a worm wheel 9, a worm 8 and a planetary reduction mechanism 7 which are arranged in the installation shell 2, wherein the worm 8 penetrates through the installation shell 2 and then extends outwards, the worm 8 and the planetary reduction mechanism 7 are in transmission connection through the worm wheel 9, and the motor is arranged on the outer side wall of the installation shell 2 and is in transmission connection with the worm 8. After the motor is arranged in the installation shell 2, a driving gear is arranged at the output end of the motor, then a driven gear is arranged on the worm 8, the driving gear is meshed with the driven gear, the motor is a servo motor, and the motor is electrically connected with the processor 10.
In some embodiments of the present utility model, the control structure includes a processor 10, an information collector, a display 4, and an alarm; the motor, the information collector, the display 4 and the alarm are all electrically connected with the processor 10.
In some technical solutions of the present utility model, the information collector includes a position sensor, a current transformer, an analog signal collecting module and a temperature sensor 17, the position sensor is disposed on the worm wheel 9, the analog signal collecting module is electrically connected between the current transformer and the processor 10, the current transformer is electrically connected with a power supply, and the temperature sensor 17 is electrically connected with the processor 10. The control structure and the information acquisition are both arranged in the installation shell 2.
In some embodiments of the utility model, the alarm comprises a buzzer alarm integrated in the processor 10.
And a plug wire interface connected with an external power supply is arranged on the outer side wall of the installation shell 2, and the plug wire interface is electrically connected with the processor 10.
The processor 10 is a unit based on a single-chip microcomputer high-speed processor 10 as a control core, and is provided with various bus communication interfaces, bluetooth interfaces, a multipath 12-bit AD sampling function, stable performance, low power consumption and suitability for industrial conditions. The information collector is a module for converting multi-path analog quantity collection into MODBUS bus, the components for collecting signals comprise parameter information such as a temperature sensor 17, analog signal collection, a current transformer and the like, and the analog quantity signals are converted into digital quantity signals through the MODBUS bus and sent to the processor 10 to realize online real-time monitoring and corresponding diagnosis processing; the display 4 is an editable color liquid crystal screen, and the display is controlled by the processor 10 to be in display, so that the content is rich and the display is clear; the alarm is a field visual buzzer alarm and remote switching value or MODBUS bus, and Bluetooth wireless transmission alarm; the motor is a single-phase alternating current or three-phase alternating current motor.
The actual working principle of the technical scheme is as follows: the information acquired by the information acquisition device is sent to the processor 10 for monitoring, the temperature sensor 17 solves the problem that the operating environment temperature of the control panel is high, the display 4 displays the equipment temperature information, and the temperature is greater than a set value and the fan is started for heat dissipation treatment; ensuring that the components work in a reasonable temperature range. The external control signal collects the switching value signal and the 4-20mA analog signal, when the signal loss is detected, a motor control command is given, and the motor control command is respectively at any position of stop and middle, so that self-modification definition can be realized. The current signal acquisition of the current transformer is used for blocking the valve 1, when the detected current is more than 1.5 times of a set value for more than 3 seconds, the detected current can be regarded as motor blocking, an alarm is given through an alarm, a signal is sent to a remote control station through a passive contact, a command of running in the opposite direction for 3 seconds is given through an intelligent control system through a display 4, and blocking is removed; the intelligent control system is provided with the voltage module with isolation, has the advantages of small volume, interference resistance, surge resistance, small temperature influence, stable output and the like, collects and outputs voltage and current signals of the intelligent control system, monitors the voltage and current signals, and can timely early warn and replace abnormal conditions without delaying production, thereby being fast and convenient. The information monitoring can be carried out through Bluetooth wireless remote information interaction, and user grades are set to obtain the readable and writable parameters behind the permission; the parameter information may also be read via a MODBUS bus. The setting and modification of the parameter information can be modified through the display 4 except the wireless Bluetooth wireless remote, and the user grade is required to be met, otherwise, only reading operation can be performed, and writing operation cannot be performed; and the position sensor arranged on the worm wheel 9 is convenient for regulating and controlling the opening and closing state of the device after being matched with the valve 1.
The utility model can early warn potential problems of the executing mechanism in the running process in advance, carry out parameter adjustment or self-diagnosis treatment on the found problems, and carry out authority classification on users, thereby being beneficial to use and maintenance and avoiding damaging the electric executing mechanism due to improper operation; therefore, the intelligent control system can realize early warning operation, fault processing and problem feedback through various ways under the condition of monitoring the executing mechanism in real time, and optimize and upgrade the intelligent function of the electric executing mechanism.
In some embodiments of the present utility model, the heat sink 5 is disposed in the installation housing 2, and the outer side wall of the installation housing 2 is provided with heat dissipation holes. The radiator 5 is convenient for to the louvre that sets up, and radiator 5 is radiator fan promptly, will be located the heat of installing in casing 2 and dispel as soon as possible, guarantees the normal operating of this equipment, and is equipped with the isolation net in the louvre that sets up, is convenient for keep apart external dust.
Example 2
The utility model is improved based on the embodiment 1, a connecting component which is matched with the rotary structure of the valve 1 is arranged at the output end of the planetary reduction mechanism 7, the connecting component comprises a flexible shaft connector 3 which is in transmission connection with the output end of the planetary reduction mechanism 7, a shaft rod 16 which is in transmission connection with the flexible shaft connector 3 is arranged at the output end of the flexible shaft connector 3, a mounting shaft sleeve is sleeved on the shaft rod 16, a plurality of limiting plates 11 are arranged on the outer side wall of the shaft rod 16 in a surrounding manner, a plurality of limiting plates 11 are spliced to form a circular truncated cone-shaped locking piece, the small diameter end of the locking piece is deviated from the shaft rod 16, and locking springs 13 which are in one-to-one correspondence with the plurality of limiting plates 11 are arranged in the mounting shaft sleeve. The connecting component can force the electric actuating mechanism to be arranged in a split type with the valve 1, when in use, the mounting shell 2 is fixed on the shell of the valve 1 through screws or bolts under the cooperation of buckles, then the output end of the planetary reduction mechanism 7 positioned in the mounting shell 2 and the rotating screw rod of the valve 1 are respectively in butt joint through the flexible shaft connector 3, and the output end of the arranged planetary reduction mechanism 7 is inserted into the shaft sleeve of the flexible shaft connector 3 and then connected in a bolt way; and cover is equipped with the installation axle sleeve on axostylus axostyle 16, encircle being equipped with a plurality of limiting plates 11 on the lateral wall of axostylus axostyle 16, be the locking piece of round platform form after a plurality of limiting plates 11 concatenation, and the minor diameter end of locking piece deviates from axostylus axostyle 16, be equipped with in the installation axle sleeve with a plurality of limiting plates 11 one-to-one locking spring 13, only need insert in the installation axle sleeve with the rotatory lead screw of valve 1 when needs dock with the rotatory lead screw of valve 1, utilize limiting plate 11 cooperation locking spring 13 can lock the rotatory lead screw of valve 1 on flexible axle connector 3, the rotatory lead screw of valve 1 of different diameters can be adapted to this kind of setting, so can increase the application range of this equipment.
Further, a telescopic rod 14 is arranged in the locking spring 13 in a penetrating manner, a guide groove is formed in the side wall of the limiting plate 11 along the extending direction of the side wall, a sliding block 15 is arranged in the guide groove in a sliding manner, one end of the telescopic rod 14 is hinged with the sliding block 15, the other end of the telescopic rod 14 is fixedly connected with the inner wall of the mounting sliding sleeve 6, and the locking spring 13 is clamped on the sliding block 15. When the telescopic rod 14 is stretched to the movement limit, the telescopic rod pulls the sliding block 15 and the limit plate 11 box to move in the direction of approaching the installation shaft sleeve, and then the limit plate 11 is convenient to be separated from contact with the rotary screw rod of the valve 1.
In some technical solutions of the present utility model, the end of the limiting plate 11 is provided with a limiting block 12, and the outer side wall of the limiting block 12 is provided with concave-convex nicks. Friction between the limiting plate 11 and the rotary screw rod of the valve 1 can be increased, and the force can avoid slipping when the flexible shaft connector 3 is in transmission connection with the rotary screw rod of the valve 1, so that transmission of the device to the screw rod is affected. The concave-convex nicks can be embedded into the thread grooves on the rotary screw rod of the valve 1, and better locking can be further achieved.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. An intelligent electric actuator comprises a mounting shell, a motor, a control structure and a mechanical driving structure; the mechanical driving structure comprises a worm wheel, a worm and a planetary reduction mechanism, wherein the worm wheel, the worm and the planetary reduction mechanism are arranged in the installation shell in a penetrating manner, the worm extends outwards after the installation shell, the worm is connected with the planetary reduction mechanism through worm wheel transmission, and the motor is arranged on the outer side wall of the installation shell and is connected with the worm transmission.
2. The intelligent electric actuator according to claim 1, wherein the connecting component comprises a flexible shaft connector in transmission connection with an output end of the planetary reduction mechanism, a shaft rod in transmission connection with the flexible shaft connector is arranged at the output end of the flexible shaft connector, a mounting shaft sleeve is sleeved on the shaft rod, a plurality of limiting plates are arranged on the outer side wall of the shaft rod in a surrounding mode, a plurality of circular-table-shaped locking pieces are spliced by the limiting plates, small-diameter ends of the locking pieces deviate from the shaft rod, and locking springs in one-to-one correspondence with the limiting plates are arranged in the mounting shaft sleeve.
3. The intelligent electric actuator according to claim 2, wherein the end of the limiting plate is provided with a limiting block, and the outer side wall of the limiting block is provided with concave-convex scores.
4. The intelligent electric actuator of claim 1, wherein the control structure comprises a processor, an information collector, a display, and an alarm; the motor, the information collector, the display and the alarm are all electrically connected with the processor.
5. The intelligent electric actuator of claim 4, wherein a radiator is disposed in the mounting housing, and a heat dissipation hole is formed in an outer side wall of the mounting housing.
6. The intelligent electric actuator according to claim 4, wherein the information collector comprises a position sensor, a current transformer, an analog signal collection module and a temperature sensor, a power supply is arranged in the installation shell, the position sensor is arranged on the worm wheel, the analog signal collection module is electrically connected between the current transformer and the processor, the current transformer is electrically connected with the power supply, and the temperature sensor is electrically connected with the processor.
7. The intelligent electric actuator of claim 4, wherein the alarm comprises a buzzer alarm, the buzzer alarm being coupled to the processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321277184.7U CN219796287U (en) | 2023-05-24 | 2023-05-24 | Intelligent electric actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321277184.7U CN219796287U (en) | 2023-05-24 | 2023-05-24 | Intelligent electric actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219796287U true CN219796287U (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321277184.7U Active CN219796287U (en) | 2023-05-24 | 2023-05-24 | Intelligent electric actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219796287U (en) |
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2023
- 2023-05-24 CN CN202321277184.7U patent/CN219796287U/en active Active
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