CN204791636U - Fluid transportation automatic control device based on converter control - Google Patents
Fluid transportation automatic control device based on converter control Download PDFInfo
- Publication number
- CN204791636U CN204791636U CN201520523927.3U CN201520523927U CN204791636U CN 204791636 U CN204791636 U CN 204791636U CN 201520523927 U CN201520523927 U CN 201520523927U CN 204791636 U CN204791636 U CN 204791636U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- control device
- conveying
- automatic control
- frequency converter
- 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
Abstract
The utility model discloses a fluid transportation automatic control device based on converter control, include: the controller, its electric connection flow derailleur and change speed adjusting frequency ware, become speed adjusting ware frequently, its electric connection is between three -phase AC power supply and centrifugal pump, the flow derailleur, it can be dismantled and connect in the pipeline middle section, centrifugal pump, its top can be dismantled and connect in the pipeline right -hand member, but connection mobile Workbench can be dismantled in the bottom, and the connection inlet channel can be dismantled in the right side, pipeline, its both ends are 90 degrees buckles, and the connection water tank can be dismantled to the left end, but mobile Workbench, its top surface fixed connection centrifugal pump, the bottom is equipped with hutch, left side fixed connection water tank, temperature instrumentation installation teaching device, receive flow controller through the variable frequency speed governing(VFSG) ware and send the signal here, output frequence and this direct current or the corresponding three -phase alternating current of voltage, the motor speed changes, the pump rate of discharge changes.
Description
Technical field
The utility model relates to clutch coupling, is specifically related to a kind of novel fluid automatic control device for conveying based on Frequency Converter Control.
Background technology
In modern industry is produced, flow is as the important parameter of in Chemical Manufacture, and it is measured and control effects directly will have influence on the quality of product.Automatic flow control system not only can carry out monitoring and controlling to flow, but also avoids to greatest extent meeting accident, and improves production efficiency, saves resource.The most frequently used equipment for liquid transportation is pump, and widely used control method is delivery side of pump flow limit method.
Delivery side of pump flow limit method, be carry out testing pump with a flow transmitter outlet conduit in flow, pipeline constant flow be controlled, need by automatically adjusting to flow with pid algorithm.
Not only therefore comprise pid algorithm but also be convenient to the principle that student skillfully grasps automatic flow control system, improve the actual operational capacity of student.Meanwhile, also can meet different majors student, use that teacher, Enterprise Staff carry out skills training, fluid conveying control device tool then have very strong using value.
Utility model content
The utility model has designed and developed one, can effectively realize, by 4 ~ 20mADC electric current that variable-frequence governor reception flow controller is sent here, the three-phase alternating current that output frequency is corresponding with this DC current or voltage, frequency change causes motor speed to change, thus changes pump discharge flow.When rate of discharge is excessive, reverse acting controller can be made to export very little, now the output frequency of variable-frequence governor is also very little, and motor slowly runs, until flow is normal.
Another goal of the invention of the present utility model is, student can be made skillfully to grasp the principle of automatic flow control system, improves the actual operational capacity of student.Meanwhile, also can meet different majors student, use that teacher, Enterprise Staff carry out skills training.
For solving above-mentioned purpose, the technical scheme that the utility model provides is the fluid automatic control device for conveying of a kind of energy saving vehicle automatic lookup clutch based on Frequency Converter Control, comprising:
C3900 controller, it electrically connects flow variator and speed change frequency modulator;
Speed change frequency modulator, it is electrically connected between three-phase alternating-current supply and centrifugal pump;
Flow variator, it is removably connected to pipeline stage casing;
Centrifugal pump, its top side detachable is connected to pipeline right-hand member, and bottom removably connects movable working platform, and right side removably connects inlet channel;
Pipeline, its two ends are 90 degree of bendings, and left end removably connects water tank;
Movable working platform, its top surface is fixedly connected with centrifugal pump, and bottom is provided with hutch, and left side is fixedly connected with water tank;
Preferably, C3900 controller and speed change frequency modulator are fixedly connected on movable working platform right back.
Preferably, speed change frequency modulator is positioned on the right side of C3900 controller.
Preferably, flow transmitter left and right sides pipeline is respectively equipped with two-chip type ball valve one and two-chip type ball valve two.
Preferably, pipeline material is white steel pipe.
Preferably, movable working platform is by angle iron material lead frame, and end face is smooth steel plate.
Preferably, castor is fixedly connected with bottom movable working platform.
Preferably, be fixedly connected with drainage pipeline on the left of water tank, pipeline removably connects draining two-chip type ball valve.
Preferably, on the right side of centrifugal pump, pipeline is provided with into water two-chip type ball valve.
Beneficial effect described in the utility model is, devise a kind of fluid automatic control device for conveying based on Frequency Converter Control, its 4 ~ 20mADC electric current sent here by variable-frequence governor reception flow controller, the three-phase alternating current that output frequency is corresponding with this DC current or voltage, frequency change causes motor speed to change, thus changes pump discharge flow.When rate of discharge is excessive, reverse acting controller can be made to export very little, now the output frequency of variable-frequence governor is also very little, and motor slowly runs, until flow is normal.
This covering device, can make student skillfully grasp the principle of automatic flow control system, improves the actual operational capacity of student.Meanwhile, also can meet different majors student, use that teacher, Enterprise Staff carry out skills training, there is very strong using value.
Accompanying drawing explanation
Fig. 1 is a kind of fluid automatic control device for conveying schematic diagram based on Frequency Converter Control described in the utility model.
In figure: moveable worktable 101, tool box 102, water tank 103, variable-frequence governor 104, C3900 controller 105, water inlet two-chip type ball valve 106, two-chip type ball valve 1, centrifugal pump 108, flow transmitter 109, two-chip type ball valve 2 110, draining two-chip type ball valve 111, pipeline 112.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to instructions word to make those skilled in the art.
As shown in Figure 1, the utility model provides a kind of fluid automatic control device for conveying based on Frequency Converter Control, comprise movable working platform 101, its material is angle iron, is fixedly connected with by welding manner, shape is rectangular frame, movable working platform 101 end face is smooth steel plate, and it is fixedly connected with rectangular frame by welding manner, forms table top, be fixedly connected with castor bottom movable working platform 101, be convenient to movable working platform and move; Its inside of movable working platform 101 comprises tool box 102, and its bottom surface is welded on movable working platform rectangular frame, makes to form the tool box 102 that can be used for storing teaching instrument bottom movable working platform;
Water tank 103 its be installed on movable working platform 101 left end, travelling table 101 left end is fixedly connected with the table top for fixing water tank 103, this table top is by angle iron lead frame, and be provided with flat surface, its surface fixed by water tank 103, water tank 103 pushes up connecting tube 112 for water inlet, and left side connecting tube 112 is for draining; Its white steel pipes for the 90 degree of bendings of two ends one-tenth of pipeline 112, wherein one end is removably connected to centrifugal pump 108, the other end connects water tank 103, to removably connect flow transmitter 109 at pipeline 112 horizontal pipe middle section position, on the right side of it, connecting tube 112 is inlet channel, flow transmitter 109 left and right sides pipeline is respectively equipped with the two-chip type ball valve 107 1 and two-chip type ball valve 2 110 that removably connect; Centrifugal pump 108 on the right side of it pipeline 112 be provided with into water two-chip type ball valve 106;
Movable working platform 101 right back is provided with the smooth facade be welded by angle iron and steel plate materials, and its surface is fixedly connected with speed change frequency modulator 104, and described speed change frequency modulator 104 is electrically connected between three-phase alternating-current supply and centrifugal pump 108; C3900 controller 105 has been fixedly connected on the facade of travelling table 101 right back, it is electrically connected to flow variator 109, receive the signal that flow variator 109 transmits, described C3900 controller 105 electrically connects with speed change frequency modulator 104, sends PID arithmetic result to speed change frequency modulator 104.
In another embodiment, tool box 102 is for storing tools.Pipeline 112 is as controlled device, and in pipeline 112, flow is as controlled variable.Flow transmitter 109 is for the size of measuring channel flow, and measuring-signal is sent in C3900 controller 105 carries out PID arithmetic, operation result exports and goes to variable-frequence governor 104, between motor variable-frequence governor 104 being connected on three-phase alternating-current supply and centrifugal pump 108, after 4 ~ 20mADC electric current that variable-frequence governor reception C3900 controller 105 is sent here, the three-phase alternating current that output frequency is corresponding with this DC current or voltage, after frequency change, the motor speed of centrifugal pump 108 changes, thus change pump discharge flow, regulate inflow, to make in controlled pipeline stability of flow in setting value.Water tank 103 is for the water outlet of the controlled pipeline of splendid attire, and drain stop valve 111 is for discharging when water tank 103 water is full.
In another embodiment, during work, first flow transmitter 109, C3900 controller 105 and variable-frequence governor 104 are connected, then flow transmitter 109, C3900 controller 104 and variable-frequence governor 104 configuration are completed, then at water inlet access water source, stop valve 106 place, slowly open into water two-chip type ball valve 106, two-chip type ball valve 1, two-chip type ball valve 2 110, draining two-chip type ball valve 111 simultaneously.After centrifugal pump 108 is filled water, start centrifugal pump 108.Flow transmitter 109 is for the size of measuring channel flow, and measuring-signal is sent in C3900 controller 105 carries out PID arithmetic, operation result exports and goes to variable-frequence governor 104, between motor variable-frequence governor 104 being connected on three-phase alternating-current supply and centrifugal pump 108, variable-frequence governor receives 4 ~ 20mADC electric current that C3900 controller 105 is sent here, the three-phase alternating current that output frequency is corresponding with this DC current or voltage, frequency change causes the motor speed of centrifugal pump 108 to change, thus change pump discharge flow, regulate inflow, to make in controlled pipeline stability of flow in setting value.
In another embodiment, flow transmitter 109 is replaced with pressure unit, measuring-signal is sent to C3900 controller 105 by pressure unit, in carry out PID arithmetic, operation result exports and goes to variable-frequence governor 104, and variable-frequence governor 104 frequency changes, and causes the motor speed of centrifugal pump 108 to change, thus change hydraulic pressure, namely realize the debugging of control pressurer system.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (9)
1., based on a fluid automatic control device for conveying for Frequency Converter Control, it is characterized in that, comprising:
Controller, it electrically connects flow variator and speed change frequency modulator;
Speed change frequency modulator, it is electrically connected between three-phase alternating-current supply and centrifugal pump;
Flow variator, it is removably connected to pipeline stage casing;
Centrifugal pump, its top side detachable is connected to pipeline right-hand member, and bottom removably connects movable working platform, and right side removably connects inlet channel; And
Pipeline, its two ends are 90 degree of bendings, and left end removably connects water tank;
Movable working platform, its top surface is fixedly connected with centrifugal pump, and bottom is provided with hutch, and left side is fixedly connected with water tank.
2., as claimed in claim 1 based on the fluid automatic control device for conveying of Frequency Converter Control, it is characterized in that, controller and speed change frequency modulator are fixedly connected on movable working platform right back.
3., as claimed in claim 1 or 2 based on the fluid automatic control device for conveying of Frequency Converter Control, it is characterized in that, speed change frequency modulator is positioned on the right side of controller.
4., as claimed in claim 1 based on the fluid automatic control device for conveying of Frequency Converter Control, it is characterized in that, flow transmitter left and right sides pipeline is respectively equipped with two-chip type ball valve.
5. the fluid automatic control device for conveying based on Frequency Converter Control as described in claim 1 or 4, is characterized in that, pipeline material is white steel pipe.
6., as claimed in claim 1 based on the fluid automatic control device for conveying of Frequency Converter Control, it is characterized in that, movable working platform is by angle iron lead frame, and end face is smooth steel plate.
7. the fluid automatic control device for conveying based on Frequency Converter Control as described in claim 1 or 6, is characterized in that, be fixedly connected with castor bottom movable working platform.
8., as claimed in claim 1 based on the fluid automatic control device for conveying of Frequency Converter Control, it is characterized in that, be fixedly connected with drainage pipeline on the left of water tank, pipeline removably connects draining two-chip type ball valve.
9. the fluid automatic control device for conveying based on Frequency Converter Control as described in claim 1 or 8, is characterized in that, on the right side of centrifugal pump, pipeline is provided with into water two-chip type ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520523927.3U CN204791636U (en) | 2015-07-17 | 2015-07-17 | Fluid transportation automatic control device based on converter control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520523927.3U CN204791636U (en) | 2015-07-17 | 2015-07-17 | Fluid transportation automatic control device based on converter control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204791636U true CN204791636U (en) | 2015-11-18 |
Family
ID=54531639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520523927.3U Expired - Fee Related CN204791636U (en) | 2015-07-17 | 2015-07-17 | Fluid transportation automatic control device based on converter control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204791636U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264672A (en) * | 2016-08-30 | 2017-01-04 | 苏州品诺维新医疗科技有限公司 | A kind of frequency-modulation control system and method |
| CN110060564A (en) * | 2019-05-24 | 2019-07-26 | 安徽沃弗电力科技有限公司 | A kind of air-cooled governor circulation demo system |
-
2015
- 2015-07-17 CN CN201520523927.3U patent/CN204791636U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264672A (en) * | 2016-08-30 | 2017-01-04 | 苏州品诺维新医疗科技有限公司 | A kind of frequency-modulation control system and method |
| CN110060564A (en) * | 2019-05-24 | 2019-07-26 | 安徽沃弗电力科技有限公司 | A kind of air-cooled governor circulation demo system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203540812U (en) | Glue supply device for louvre blade gluing | |
| CN203021337U (en) | Control device for continuously adjusting industrial wastewater microwave treatment power | |
| CN202778840U (en) | Automatic potting machine | |
| CN204791636U (en) | Fluid transportation automatic control device based on converter control | |
| CN104014460A (en) | Glue feeding system with automatic glue proportioning function | |
| CN208390344U (en) | A kind of novel intelligent dispenser | |
| CN203899860U (en) | Automatic glue proportioning and feeding system | |
| CN209012805U (en) | A kind of repair apparatus of the pressure pipeline with gas leakage detection function | |
| CN206785769U (en) | A kind of multifunction hydraulic power source | |
| CN204220413U (en) | Temperature control equipment | |
| CN204790597U (en) | Fluid transportation automatic control device based on controller | |
| CN206399608U (en) | A kind of hydraulic station for the intelligent leak detection system of hydraulic turbine servomotor | |
| CN207981223U (en) | Cooling-cycle device | |
| CN206463945U (en) | A kind of lubricating oil intelligence mediation system | |
| CN206524105U (en) | A kind of process control actual training device | |
| CN101818513B (en) | Novel non-negative pressure water supply equipment | |
| CN204086925U (en) | Complex acid process automation control system in gelatine production course | |
| CN203817658U (en) | Novel flange pipe joint fast welding device | |
| CN212349306U (en) | Device for monitoring liquid level of glue container of plywood | |
| CN209370209U (en) | A kind of hydraulic pressure unit for Automatic Plastic pipe welder | |
| CN2550155Y (en) | Liquid external additive filling device | |
| CN206871742U (en) | A kind of device for measuring closed vessel liquid level | |
| CN207081453U (en) | A kind of new gas rotz flowmeter stopwatch platform | |
| CN205995670U (en) | A kind of photovoltaic apparatus that are used for spray liquid feed device | |
| CN206496408U (en) | A kind of dust proof workshop hot water cyclesystem |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160717 |