CN114075820A - Integrated pump brake control device - Google Patents
Integrated pump brake control device Download PDFInfo
- Publication number
- CN114075820A CN114075820A CN202010819348.9A CN202010819348A CN114075820A CN 114075820 A CN114075820 A CN 114075820A CN 202010819348 A CN202010819348 A CN 202010819348A CN 114075820 A CN114075820 A CN 114075820A
- Authority
- CN
- China
- Prior art keywords
- water pump
- microprocessor
- pump
- flow
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 238000000034 method Methods 0.000 claims description 9
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
- G05B19/0425—Safety, monitoring
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses an integrated pump brake control device, which comprises: the water pump is arranged on the gate, the microprocessor and the frequency converter are respectively arranged in the pump gate control cabinet, the water pump is connected with the frequency converter, the frequency converter is connected with the microprocessor, and the microprocessor is connected with the human-computer interface. The invention aims to provide an integrated pump gate control device which can prevent the flow of a water pump from exceeding the limit and is safer to use.
Description
Technical Field
The invention belongs to the technical field of pump gates, and particularly relates to an integrated pump gate control device.
Background
The integrated pump gate is a device which is used for drainage or water supplement of river channels in cities or rural areas by installing a water pump on a gate and combining the pump gate into a whole. The urbanization is fast in development, the runoff area is increased, the original simple pump station cannot meet the development requirement, and a pumping function needs to be added; the sewage interception of partial rainwater culverts is not thorough, so that the pollution of river channels or inland rivers is serious, and the culverts or river channels need to be intercepted, and the collection treatment is strengthened; river channel hydrodynamic force is not enough, generates peculiar smell and influences the environment, needs to strengthen river channel water replenishing, promotes water body exchange, and improves river channel water quality environment. The existing integrated pump gate has the problem that the vibration of the water pump in the operation process affects the safety of the gate because the water pump is installed on the gate. If the actual lift of the water pump is lower than the designed lift, namely the inland river liquid level difference is smaller than the designed water level difference, the flow of the water pump exceeds the normal flow, and the vibration caused by the water pump has the potential risk of damaging the gate structure.
Disclosure of Invention
Therefore, the invention aims to solve the problem that the vibration caused by the fact that the flow of the water pump exceeds the normal flow in the prior art has the potential risk of damaging the gate structure.
Therefore, the technical scheme adopted by the invention is that the integrated pump brake control device is characterized by comprising the following components: the water pump is arranged on the gate, the microprocessor and the frequency converter are respectively arranged in the pump gate control cabinet, the water pump is connected with the frequency converter, the frequency converter is connected with the microprocessor, and the microprocessor is connected with the human-computer interface.
Preferably, a water pump curve can be input on the human-computer interface, and the maximum flow limit is set.
Preferably, the frequency converter can receive a rotating speed adjusting signal of the microprocessor and drive the water pump to operate at variable speed;
preferably, the microprocessor receives the feedback of the rotating speed and the power of the frequency converter, queries an internal water pump curve, calculates the flow of the water pump, and automatically reduces the rotating speed adjusting signal of the water pump and the flow of the water pump by microprocessor if the calculated flow exceeds the maximum flow limit until the flow of the water pump does not exceed the maximum flow limit any more, otherwise, the rotating speed adjusting signal of the water pump is unchanged.
A method for controlling the flow of a water pump of an integrated pump brake is used for the integrated pump brake control device, and comprises the following steps:
and 4, controlling the rotating speed of the water pump by the microprocessor by checking whether the calculated flow of the water pump exceeds the maximum flow limit.
Preferably, the step 1 comprises:
the data points are fitted in the microprocessor to a 100% speed curve with flow on the abscissa and power on the ordinate.
Preferably, the step 4 comprises:
during the operation, every T0Periodically, the microprocessor checks whether the calculated flow of the water pump exceeds the maximum flow limit, and if the calculated flow of the water pump exceeds the maximum flow limit, the microprocessor subtracts a numerical value from the rotating speed of the water pump; every other T1Periodically, the microprocessor will check whether the calculated flow rate of the water pump is below the maximum flow limit, and if so, the microprocessor will control the rotational speed of the water pump to increase by a value.
The technical scheme of the invention has the following advantages: the invention discloses an integrated pump brake control device, which comprises: the water pump is arranged on the gate, the microprocessor and the frequency converter are respectively arranged in the pump gate control cabinet, the water pump is connected with the frequency converter, the frequency converter is connected with the microprocessor, and the microprocessor is connected with the human-computer interface. The microprocessor realizes flow calculation and over-flow protection functions in the operation process of the water pump, and when the flow of the water pump exceeds the maximum allowable flow of the water pump, the rotating speed of the water pump is automatically reduced until the flow of the water pump does not exceed the maximum allowable flow, so that the operation of a pump gate is safer.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
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 view of the present invention;
FIG. 2 is a graph of water pump performance in accordance with the present invention;
FIG. 3 is an illustration of the over-flow protection scheme of the present invention;
the system comprises a human-computer interface 1, a microprocessor 2 and a frequency converter 3.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The invention provides an integrated pump brake control device, as shown in fig. 1, comprising: human-computer interface 1, microprocessor 2, converter 3, water pump, gate, the water pump is installed on the gate, and microprocessor 1 and converter 3 are installed respectively in the pump floodgate switch board, and the water pump is connected with converter 3, and converter 3 is connected with microprocessor 2, and microprocessor 2 is connected with human-computer interface 1.
A water pump curve can be input on the human-computer interface, and the maximum flow limit is set; the frequency converter can receive a rotating speed adjusting signal of the microprocessor and drive the water pump to operate at variable speed; the microprocessor receives the feedback of the rotating speed and the power of the frequency converter, inquires an internal water pump curve, calculates the flow of the water pump, automatically reduces a water pump rotating speed adjusting signal by microprocessor if the calculated flow exceeds the maximum flow limit, and reduces the flow of the water pump until the flow of the water pump does not exceed the maximum flow limit, otherwise, the water pump rotating speed adjusting signal is unchanged.
The working principle and the beneficial technical effects of the technical scheme are as follows: the microprocessor realizes flow calculation and over-flow protection functions in the operation process of the water pump, and when the flow of the water pump exceeds the maximum allowable flow of the water pump, the rotating speed of the water pump is automatically reduced until the flow of the water pump does not exceed the maximum allowable flow.
A method for controlling the flow of a water pump of an integrated pump gate, for use in an integrated pump gate control device, as shown in fig. 2-3, comprising the steps of:
and 4, controlling the rotating speed of the water pump by the microprocessor by checking whether the calculated flow of the water pump exceeds the maximum flow limit.
The step 1 comprises the following steps:
the data points are fitted in the microprocessor to a 100% speed curve with flow on the abscissa and power on the ordinate.
The step 4 comprises the following steps:
during the operation, every T0Periodically, the microprocessor checks whether the calculated flow of the water pump exceeds the maximum flow limit, and if the calculated flow of the water pump exceeds the maximum flow limit, the microprocessor subtracts a numerical value from the rotating speed of the water pump; every other T1Periodically, the microprocessor will check whether the calculated flow rate of the water pump is below the maximum flow limit, and if so, the microprocessor will control the rotational speed of the water pump to increase by a value. The microprocessor realizes flow calculation and over-flow protection functions in the operation process of the water pump, prevents the water pump from exceeding the flow limit, causes stronger vibration, destroys the structure of the pump gate and ensures the use safety of the pump gate.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. An integrated pump gate control device, comprising: the water pump is arranged on the gate, the microprocessor and the frequency converter are respectively arranged in the pump gate control cabinet, the water pump is connected with the frequency converter, the frequency converter is connected with the microprocessor, and the microprocessor is connected with the human-computer interface.
2. The integrated pump gate control device of claim 1, wherein a water pump curve can be input on the human-machine interface to set a maximum flow limit.
3. The integrated pump gate control device of claim 1, wherein the frequency converter is capable of receiving a speed adjustment signal from the microprocessor to drive the water pump to operate at a variable speed.
4. The integrated pump gate control device according to claim 1, wherein the microprocessor receives the feedback of the rotation speed and power of the frequency converter, queries an internal water pump curve, calculates the flow rate of the water pump, and if the calculated flow rate exceeds the maximum flow rate limit, the microprocessor automatically reduces the water pump rotation speed adjusting signal and reduces the water pump flow rate until the water pump flow rate does not exceed the maximum flow rate limit any more, otherwise, the water pump rotation speed adjusting signal is unchanged.
5. A method for controlling the flow rate of a water pump of an integrated pump gate, which is used for the integrated pump gate control device of any one of claims 1 to 4, and is characterized by comprising the following steps:
step 1, inputting a water pump performance data point at 100% of rotation speed, a preset rotation speed of a water pump, the maximum flow of the water pump and the water pump power through a human-computer interface, and calculating by a microprocessor according to a water pump similarity law to obtain a performance curve of the water pump at the actual rotation speed;
step 2, receiving a power value of the water pump from the frequency converter, and searching the flow of the water pump according to the power of the water pump on a performance curve of the water pump at the actual rotating speed so as to obtain the calculated flow of the water pump;
step 3, the microprocessor controls the water pump to operate at a preset rotating speed;
and 4, controlling the rotating speed of the water pump by the microprocessor by checking whether the calculated flow of the water pump exceeds the maximum flow limit.
6. The method for controlling the flow of a water pump of an integrated pump brake as claimed in claim 5, wherein the step 1 comprises:
the data points are fitted in the microprocessor to a 100% speed curve with flow on the abscissa and power on the ordinate.
7. The method of claim 5, wherein the step 4 comprises:
during the operation, every T0Periodically, the microprocessor checks whether the calculated flow of the water pump exceeds the maximum flow limit, and if the calculated flow of the water pump exceeds the maximum flow limit, the microprocessor subtracts a numerical value from the rotating speed of the water pump; every other T1Periodically, the microprocessor will check whether the calculated flow rate of the water pump is below the maximum flow limit, and if so, the microprocessor will control the rotational speed of the water pump to increase by a value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010819348.9A CN114075820A (en) | 2020-08-14 | 2020-08-14 | Integrated pump brake control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010819348.9A CN114075820A (en) | 2020-08-14 | 2020-08-14 | Integrated pump brake control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114075820A true CN114075820A (en) | 2022-02-22 |
Family
ID=80279422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010819348.9A Pending CN114075820A (en) | 2020-08-14 | 2020-08-14 | Integrated pump brake control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114075820A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2396634A1 (en) * | 2001-08-22 | 2003-02-22 | Pumpenfabrik Ernst Vogel Gesellschaft M.B.H. | Process for determining a reference characteristic for controlling a pump |
| CN106837767A (en) * | 2017-04-01 | 2017-06-13 | 北京慧鎏科技有限公司 | The control method of pump, control device and system |
| CN207750216U (en) * | 2017-12-21 | 2018-08-21 | 北京慧鎏科技有限公司 | Control system of water pump and water pump control cabinet |
| CN207817512U (en) * | 2018-02-05 | 2018-09-04 | 舒朋士泵业常州有限公司 | Integration pump lock automatic control device |
| CN212688880U (en) * | 2020-08-14 | 2021-03-12 | 赛莱默欧洲有限公司 | Integrated pump brake control device |
-
2020
- 2020-08-14 CN CN202010819348.9A patent/CN114075820A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2396634A1 (en) * | 2001-08-22 | 2003-02-22 | Pumpenfabrik Ernst Vogel Gesellschaft M.B.H. | Process for determining a reference characteristic for controlling a pump |
| CN106837767A (en) * | 2017-04-01 | 2017-06-13 | 北京慧鎏科技有限公司 | The control method of pump, control device and system |
| CN207750216U (en) * | 2017-12-21 | 2018-08-21 | 北京慧鎏科技有限公司 | Control system of water pump and water pump control cabinet |
| CN207817512U (en) * | 2018-02-05 | 2018-09-04 | 舒朋士泵业常州有限公司 | Integration pump lock automatic control device |
| CN212688880U (en) * | 2020-08-14 | 2021-03-12 | 赛莱默欧洲有限公司 | Integrated pump brake control device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106499005B (en) | A kind of water supply pump station feedback control system | |
| CN212688880U (en) | Integrated pump brake control device | |
| US20090283457A1 (en) | Waste water management system and method | |
| CN110374850A (en) | A kind of sewage pumping station intelligent and high-efficiency management system and its control method | |
| CN109032195A (en) | A kind of sewage pumping station water discharge control method | |
| CN114075820A (en) | Integrated pump brake control device | |
| CN103591087A (en) | Temperature control device and control method of pumping hydraulic system and engineering machinery | |
| CN102003376A (en) | Water mixing pump system and control method thereof | |
| CN116335259A (en) | Drainage pump station, scheduling method, device, equipment and system | |
| CN209193739U (en) | A kind of novel micro-power domestic sewage treatment device | |
| JP2018059277A (en) | Pump gate and operation method thereof | |
| CN218177587U (en) | Hydraulic motor oil drainage loop for underground operation | |
| CN208039152U (en) | A kind of water conservancy protective slope with cleaning rubbish function | |
| CN219080529U (en) | Water quantity buffer device | |
| CN105443452B (en) | A kind of hydraulic energy of multifunction electromagnetic reversal valve control reclaims buffer unit | |
| CN105156405A (en) | Hydraulic oil cooling system, crane and control method for hydraulic oil cooling system | |
| CN211963750U (en) | Reverse osmosis concentrated water recovery device | |
| WO2020164168A1 (en) | Axial-flow pump impeller design method based on axial distance | |
| CN219596112U (en) | Sand setting device for river sewage treatment | |
| CN216284089U (en) | Energy-conserving vacuum chamber of frequency conversion | |
| CN217354772U (en) | Can be used to pump station just raise mechanism of filling water | |
| CN216111210U (en) | Automatic drainage controller | |
| CN217053712U (en) | A reposition of redundant personnel system of decontaminating for rain sewage pump station | |
| CN220705954U (en) | Intelligent control device for residual pressure water energy water lifting | |
| CN218233738U (en) | Intelligent assembly type intercepting well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220222 |
|
| RJ01 | Rejection of invention patent application after publication |