CN102416670B - Mixing station and control equipment and control method thereof - Google Patents
Mixing station and control equipment and control method thereof Download PDFInfo
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- CN102416670B CN102416670B CN 201110377753 CN201110377753A CN102416670B CN 102416670 B CN102416670 B CN 102416670B CN 201110377753 CN201110377753 CN 201110377753 CN 201110377753 A CN201110377753 A CN 201110377753A CN 102416670 B CN102416670 B CN 102416670B
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- stirring
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 88
- 230000011664 signaling Effects 0.000 claims abstract description 3
- 238000007599 discharging Methods 0.000 claims description 32
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005303 weighing Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The invention discloses a mixing station and a control device and a control method thereof, wherein the mixing station comprises a mixing motor and a mixing motor frequency converter which are connected, and the device comprises: the receiving device is used for receiving the stirring signal and the stirring time; and the controller is connected with the stirring motor frequency converter and the receiving device and is used for controlling the stirring motor frequency converter to be in a high-frequency running state during the stirring time after the receiving device receives the stirring signal and controlling the stirring motor frequency converter to be in a low-frequency running state after the stirring time is over. By the invention, energy consumption can be saved, and the service life of the motor can be prolonged.
Description
Technical Field
The invention relates to the field of engineering machinery, in particular to a mixing plant and control equipment and a control method thereof.
Background
In the production process of the dry powder mortar, after receiving a production plan, firstly, calculating the proportion of dry powder, and calculating the amount of various mixed materials; then weighing, and weighing each material; after weighing is finished, feeding into the stirring host; after the feeding is finished, starting a motor of a stirring main machine for stirring; after stirring is finished, opening a discharge door of the stirring host machine, and enabling finished dry powder in the stirring host machine to enter a gathering hopper; and then, the bucket elevator can convey the finished product dry powder in the material collecting hopper to a finished product bin for storage.
In the production process, the motor of the stirring main machine is always in a constant-speed running state, the method improves the production efficiency, but wastes power resources, and the motor is in a high-speed running state for a long time, so that the service life of the motor is influenced.
Disclosure of Invention
The invention aims to provide a stirring station, a control device and a control method thereof, which can save energy consumption and prolong the service life of a motor.
In order to achieve the above object, the present invention provides a control apparatus for a mixing station including a mixing motor and a mixing motor frequency converter connected thereto, the apparatus comprising: the receiving device is used for receiving the stirring signal and the stirring time; and the controller is connected with the stirring motor frequency converter and the receiving device and is used for controlling the stirring motor frequency converter to be in a high-frequency running state during the stirring time after the receiving device receives the stirring signal and controlling the stirring motor frequency converter to be in a low-frequency running state after the stirring time is over.
A control method for a mixing station comprising a mixing motor and a mixing motor frequency converter connected, the method comprising: receiving a stirring signal and stirring time; and after the stirring signal is received, controlling the stirring motor frequency converter to be in a high-frequency running state during the stirring time, and controlling the stirring motor frequency converter to be in a low-frequency running state after the stirring time is over.
The utility model provides a stirring station, this stirring station is including the agitator motor and agitator motor converter that link to each other, its characterized in that, this stirring station still includes above-mentioned controlgear.
By the technical scheme, the frequency converter of the stirring motor can work in a high-frequency running state during stirring of the stirring host, so that the stirring motor runs in a high-frequency belt load mode; and when the stirring host is not stirring, the stirring motor frequency converter is enabled to work in a low-frequency running state, and then the stirring motor is enabled to run at a low-frequency idle speed. Therefore, the power consumption can be saved, and the influence on the service life of the motor due to long-time running can be avoided.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a control device for a mixing station according to the present invention;
FIG. 2 is a schematic view showing the construction of a mixing station;
FIG. 3A is a schematic view of the operation state of the stirring motor; and
fig. 3B is a schematic view of the operation state of the motor of the bucket elevator.
Description of the reference numerals
1 stirring host and 2 holding hopper
3 bucket elevator 4 finished product warehouse
10 receiver 20 controller
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Fig. 1 is a schematic structural diagram of a control device for a mixing station provided by the invention. The invention provides a control device for a mixing station, wherein the mixing station comprises a mixing motor and a mixing motor frequency converter which are connected with each other (a mixing host comprises the mixing motor and the mixing motor frequency converter which are connected with each other), the control device comprises: a receiving device 10, configured to receive a stirring signal and a stirring time (the stirring time may be manually set according to a dry powder ratio); and a controller 20, connected to the mixing motor frequency converter and the receiving device 10, for controlling the mixing motor frequency converter to be in a high-frequency operation state during the mixing time after the receiving device 10 receives the mixing signal (for example, by sending a high-frequency signal to the mixing motor frequency converter after the receiving device 10 receives the mixing signal), and controlling the mixing motor frequency converter to be in a low-frequency operation state after the mixing time is over (for example, by sending a low-frequency signal to the mixing motor frequency converter after the mixing time is over). Therefore, the frequency converter of the stirring motor can work in a high-frequency running state during stirring of the stirring host, and the stirring motor can run in a high-frequency belt load mode; and when the stirring host is not stirring, the stirring motor frequency converter is enabled to work in a low-frequency running state, and then the stirring motor is enabled to run at a low-frequency idle speed. Therefore, the power consumption can be saved, and the influence on the service life of the motor due to long-time running can be avoided.
The controller 20 may be a Programmable Logic Controller (PLC), a single chip, a microcontroller, or other devices capable of implementing the above control functions.
Fig. 2 is a schematic view showing the construction of the mixing station. As shown in fig. 2, the mixing station further includes a gathering hopper 2, a bucket lifter 3, and a finished product bin 4. After the stirring of the stirring host machine 1 is finished, the discharge opening of the stirring host machine 1 can be opened, so that the finished product dry powder in the stirring host machine 1 enters the material gathering hopper 2 through the discharge opening, and then the finished product dry powder in the material gathering hopper 2 can be conveyed to the finished product bin 4 by the hopper lifting machine 3 for storage. The bucket elevator 3 comprises a bucket elevator motor and a bucket elevator motor frequency converter which are connected.
Preferably, the receiving device 10 is further configured to receive a discharging signal and a discharging time (the discharging time may also be manually set), and the controller 20 is further connected to the bucket elevator motor frequency converter, and is configured to control the bucket elevator motor frequency converter to be in a high-frequency operating state during the discharging time after the receiving device 10 receives the discharging signal (for example, by sending a high-frequency signal to the bucket elevator motor frequency converter after the receiving device 10 receives the discharging signal), and to control the bucket elevator motor frequency converter to be in a low-frequency operating state after the discharging time is over (for example, by sending a low-frequency signal to the bucket elevator motor frequency converter after the discharging time is over). Therefore, the frequency converter of the motor of the bucket elevator can work in a high-frequency running state during unloading, and the motor of the bucket elevator runs in a high-frequency belt load mode; after unloading is finished, the frequency converter of the motor of the bucket elevator works in a low-frequency running state, and then the motor of the bucket elevator runs at a low-frequency idle speed. Therefore, the power consumption can be saved, and the influence on the service life of the bucket elevator motor caused by long-time operation can be avoided.
In order to ensure that the finished product dry powder can be conveyed into the finished product bin to the maximum extent, the bucket elevator is preferably further provided with a discharging delay, namely after the discharging is finished, the bucket elevator continues to operate for a period of time. Correspondingly, as for the control device, the receiving device 10 is further configured to receive a discharging delay, and the controller 20 is further configured to control the frequency converter of the bucket elevator motor to be in a high-frequency operating state during the discharging time and the discharging delay after the receiving device 10 receives the discharging signal, and to control the frequency converter of the bucket elevator motor to be in a low-frequency operating state after the discharging delay is ended.
Fig. 3A is a schematic view of an operation state of the stirring motor, and fig. 3B is a schematic view of an operation state of the bucket elevator motor. As shown in fig. 3A and 3B, the stirring motor operates in the high-frequency on-load operating state and the low-frequency idle operating state during stirring and non-stirring, and the bucket elevator motor also operates in the high-frequency on-load operating state and the low-frequency idle operating state during discharging and non-discharging.
Correspondingly, the invention also provides a control method for the mixing station, the mixing station comprises a mixing motor and a mixing motor frequency converter which are connected, and the method comprises the following steps: receiving a stirring signal and stirring time; and after the stirring signal is received, controlling the stirring motor frequency converter to be in a high-frequency running state during the stirring time, and controlling the stirring motor frequency converter to be in a low-frequency running state after the stirring time is over.
The mixing station further comprises a bucket elevator motor and a bucket elevator motor frequency converter which are connected, and the method further comprises the following steps: receiving a discharging signal and discharging time; and after the discharging signal is received, controlling the frequency converter of the bucket elevator motor to be in a high-frequency operation state during the discharging time, and controlling the frequency converter of the bucket elevator motor to be in a low-frequency operation state after the discharging time is finished.
Wherein, the method also comprises: receiving unloading delay; and after the discharging signal is received, controlling the frequency converter of the bucket elevator motor to be in a high-frequency running state during the discharging time and the discharging delay period, and controlling the frequency converter of the bucket elevator motor to be in a low-frequency running state after the delay is finished.
Correspondingly, the invention also provides a mixing station, which comprises a mixing motor and a mixing motor frequency converter which are connected, and the mixing station also comprises: the control device for a mixing station described above.
The mixing station further comprises a bucket elevator motor and a bucket elevator motor frequency converter which are connected.
The invention can lead the motor in the mixing plant to be in a high-frequency band-load running state when the motor needs to work and to be in a low-frequency idle running state when the motor does not need to work, thereby saving energy consumption, ensuring production efficiency and prolonging the service life of the motor.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (3)
1. A control device for a mixing plant, which mixing plant comprises a mixing motor and a mixing motor frequency converter connected to each other, characterized in that the device comprises:
the receiving device is used for receiving the stirring signal and the stirring time; and
the controller is connected with the stirring motor frequency converter and the receiving device and is used for controlling the stirring motor frequency converter to be in a high-frequency running state during the stirring time after the receiving device receives the stirring signal and controlling the stirring motor frequency converter to be in a low-frequency running state after the stirring time is finished,
wherein,
the mixing station also comprises a bucket elevator motor and a bucket elevator motor frequency converter which are connected,
the receiving device is also used for receiving the unloading signal, the unloading time and the unloading delay,
the controller is further configured to control the bucket elevator motor frequency converter to be in a high-frequency operation state during the unloading time and the unloading delay period after the receiving device receives the unloading signal, and to control the bucket elevator motor frequency converter to be in a low-frequency operation state after the unloading delay is finished.
2. A control method for a mixing station comprising a mixing motor and a mixing motor frequency converter connected to each other, characterized in that the method comprises:
receiving a stirring signal and stirring time;
after receiving the stirring signal, controlling the stirring motor frequency converter to be in a high-frequency operation state during the stirring time, and controlling the stirring motor frequency converter to be in a low-frequency operation state after the stirring time is over,
the mixing station further comprises a bucket elevator motor and a bucket elevator motor frequency converter which are connected, and the method further comprises the following steps:
receiving a discharging signal, discharging time and discharging delay; and
and after the discharging signal is received, controlling the frequency converter of the bucket elevator motor to be in a high-frequency running state during the discharging time and the discharging delay period, and controlling the frequency converter of the bucket elevator motor to be in a low-frequency running state after the discharging delay is finished.
3. The utility model provides a stirring station, this stirring station includes that continuous agitator motor and agitator motor converter and continuous fill are carried quick-witted motor and fill and are carried quick-witted motor converter, its characterized in that, this stirring station still includes: the control device of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110377753 CN102416670B (en) | 2011-11-23 | 2011-11-23 | Mixing station and control equipment and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110377753 CN102416670B (en) | 2011-11-23 | 2011-11-23 | Mixing station and control equipment and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102416670A CN102416670A (en) | 2012-04-18 |
| CN102416670B true CN102416670B (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110377753 Active CN102416670B (en) | 2011-11-23 | 2011-11-23 | Mixing station and control equipment and control method thereof |
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| Country | Link |
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| CN (1) | CN102416670B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103786259A (en) * | 2014-02-14 | 2014-05-14 | 上海三一重机有限公司 | Rotating speed adaptive frequency conversion control system and method for concrete mixer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1970137A (en) * | 2005-11-23 | 2007-05-30 | 比亚迪股份有限公司 | Mixer work system |
| CN201665423U (en) * | 2009-12-25 | 2010-12-08 | 长沙中联重工科技发展股份有限公司 | Intelligent control device of belt conveyer |
| CN201848919U (en) * | 2010-10-19 | 2011-06-01 | 长沙中联重工科技发展股份有限公司 | Frequency-conversion agitator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07256628A (en) * | 1994-11-24 | 1995-10-09 | Kitagawa Iron Works Co Ltd | Method for setting speed of variable-speed mixer for mixing ready-mixed concrete or the like |
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2011
- 2011-11-23 CN CN 201110377753 patent/CN102416670B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1970137A (en) * | 2005-11-23 | 2007-05-30 | 比亚迪股份有限公司 | Mixer work system |
| CN201665423U (en) * | 2009-12-25 | 2010-12-08 | 长沙中联重工科技发展股份有限公司 | Intelligent control device of belt conveyer |
| CN201848919U (en) * | 2010-10-19 | 2011-06-01 | 长沙中联重工科技发展股份有限公司 | Frequency-conversion agitator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102416670A (en) | 2012-04-18 |
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Address after: 415907, Hunan, Hanshou hi tech Industrial Park, Changde Huang Fu neighborhood committee, No. 1, Union Road Patentee after: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Address before: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Patentee before: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. |