CN210317808U - Intelligent circulating pump - Google Patents
Intelligent circulating pump Download PDFInfo
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- CN210317808U CN210317808U CN201921135419.2U CN201921135419U CN210317808U CN 210317808 U CN210317808 U CN 210317808U CN 201921135419 U CN201921135419 U CN 201921135419U CN 210317808 U CN210317808 U CN 210317808U
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- 238000007789 sealing Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model relates to an intelligent circulating pump, which comprises a motor, a frequency converter, a pump body and a controller, wherein the motor, the frequency converter and the controller are integrated into a motor component, the motor component is arranged on the pump body through a frame, an impeller is arranged in the pump body, and the impeller is connected with an output shaft of the motor; a pressure sensor is arranged at the outlet flange of the pump body; the controller is internally provided with a memory and a data processor, the memory is used for storing a predictive control model of the pump, and the data processor compares the pressure signal detected by the pressure sensor with the predictive control model in the memory and adjusts the operating parameters of the frequency converter according to the comparison result. The utility model provides the high reliability of system.
Description
Technical Field
The utility model relates to a centrifugal pump technical field especially relates to an intelligent circulating pump.
Background
The variable frequency speed regulation of the centrifugal pump is an optimized scheme for energy-saving operation of the existing water pump, and is widely applied to the industrial and civil fields. In most applications, the frequency converter, the controller and the motor are independent, and the size of the control cabinet is large. In the circulation system, a constant pressure or constant pressure difference control is generally adopted, the resistance in the system is reduced along with the reduction of the flow, the outlet pressure of the water pump can be reduced, and therefore, the adoption of the constant pressure or constant pressure difference control can cause unnecessary energy consumption.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an intelligence circulating pump is provided, the low system energy consumption.
The utility model provides a technical scheme that its technical problem adopted is: the intelligent circulating pump comprises a motor, a frequency converter, a pump body and a controller, wherein the motor, the frequency converter and the controller are integrated into a motor assembly, the motor assembly is arranged on the pump body through a rack, an impeller is arranged in the pump body, and the impeller is connected with an output shaft of the motor; a pressure sensor is arranged at the outlet flange of the pump body; the controller is internally provided with a memory and a data processor, the memory is used for storing a predictive control model of the pump, and the data processor compares the pressure signal detected by the pressure sensor with the predictive control model in the memory and adjusts the operating parameters of the frequency converter according to the comparison result.
The predictive control model is a corresponding relation table of time, flow and pressure of the intelligent pump.
The pump body is provided with an inlet and an outlet, and the inlet and the outlet are positioned on the same straight line.
The impeller is connected with an output shaft of the motor through a nut.
And the frame is provided with a mechanical seal for sealing the output shaft of the motor and the frame.
The controller is also provided with a Bluetooth communication module, an RS485 communication module and/or an Ethernet communication module.
Advantageous effects
Since the technical scheme is used, compared with the prior art, the utility model, have following advantage and positive effect: the frequency converter, the motor and the controller of the utility model are integrated into a whole, so that the volume of the control cabinet is reduced, and the system is more compact; on the other hand, the water pump operation parameters are calculated by adopting the water pump prediction control model, and the outlet pressure or the pressure difference of the intelligent pump changes along with the change of the flow, so that the operation energy consumption is reduced, and the operation cost of the system is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The utility model discloses an embodiment relates to an intelligent circulating pump, as shown in FIG. 1, including converter 1, motor 2, support 3, mechanical seal 4, impeller 5, the pump body 6, nut 7, axle 8, controller 9 and pressure sensor 10. Specifically, the inverter 1, the motor 2, and the controller 9 are integrated to constitute a motor assembly. The shaft 8 is an integrated structure of a motor shaft and a pump shaft. The impeller 5 is accommodated in the pump body 6 and fixed on the shaft 8 through a nut 7, and a pressure sensor 10 is arranged at an outlet flange of the pump body 6. The mechanical seal 4 is fitted to the frame 3 to seal the rotating shaft 8 from the stationary frame 3. The whole motor assembly is arranged on the pump body 6 through the bracket 3. Wherein, the frequency converter 1 is used for changing the frequency of an output power supply; the motor 2 is a variable frequency motor; the controller 9 is connected with the pressure sensor 10, and controls the running state of the frequency converter 1 according to the pressure value detected by the pressure sensor 10.
The pump body 6 is provided with an inlet and an outlet, which are in the same straight line. The controller 9 is provided with a memory and a data processor. The memory stores a predictive control model of the intelligent pump, the predictive control model is a corresponding relation table of time, flow and pressure of the intelligent pump, and therefore a target pressure value of an outlet which is the best time-consuming time of the intelligent pump can be obtained according to flow data of the intelligent pump. The predictive control model may be pre-derived from various parameters of the smart pump during operation. And the data processor compares the feedback signal of the pressure sensor 10 with a target pressure value in the predictive control model, and determines the optimized operating parameters of the frequency converter according to the comparison result. The flow required by the circulating system generally changes along with the change of seasons, the change of holidays and the change of 24 hours a day, so that the flow required at different moments is different, the intelligent pump can obtain the flow required by the system at a certain moment according to the prediction control model, the data processor calls the prediction control model to determine the required operating pressure according to the required flow, and the frequency converter 1 increases or decreases the rotating speed of the motor 2 according to the relation between the operating pressure and the current pressure. Meanwhile, the data processor has a self-learning function and can perform prediction control according to historical data. The controller is provided with abundant communication functions, including Bluetooth communication, RS485 communication and Ethernet communication.
The working principle of the utility model is as follows: according to the application requirement of the system, the initial outlet pressure value of the intelligent pump is set, the frequency converter 1 starts the motor 2 to work at a specified rotating speed, the rotor of the motor 2 rotates to drive the shaft 8 to rotate, the impeller 5 rotates along with the shaft 8 to transmit kinetic energy to water in the pump body 6, the potential energy of the water is increased, and the pressure is increased. If the signal that pressure sensor 10 feedbacks is greater than the pressure value that the system set for, converter 1 reduces output frequency, and motor 2 reduces the rotational speed, if the signal that pressure sensor 10 feedbacks is less than the pressure value that sets for, converter 1 risees output frequency, and motor 2 rotational speed risees, until the pressure stabilizes in the pressure differential range that the setting value allows, and the intelligent pump steady operation. When the time changes, the demand of the system also changes, the data processor can obtain the flow required by the system at the time according to the predictive control model, the required operation pressure can be determined according to the required flow, the data processor compares the flow with the required operation pressure according to a signal fed back by the pressure sensor 10, the frequency converter 1 is adjusted according to a comparison result, the frequency converter 1 readjusts the rotating speed of the motor 2 to establish new balance, and the amount of pressure required by the system is compensated due to the change of the system pressure along with the change of the flow, so that the consumption of unnecessary energy consumption is avoided, and the operation cost of the system is reduced.
The frequency converter, the motor and the controller of the utility model are integrated into a whole, so that the volume of the control cabinet is reduced, and the system is more compact; on the other hand, the water pump operation parameters are calculated by adopting the water pump prediction control model, and the outlet pressure or the pressure difference of the intelligent pump changes along with the change of the flow, so that the operation energy consumption is reduced, and the operation cost of the system is reduced.
Claims (6)
1. An intelligent circulating pump comprises a motor, a frequency converter, a pump body and a controller, and is characterized in that the motor, the frequency converter and the controller are integrated into a motor component, the motor component is arranged on the pump body through a rack, an impeller is arranged in the pump body, and the impeller is connected with an output shaft of the motor; a pressure sensor is arranged at the outlet flange of the pump body; the controller is internally provided with a memory and a data processor, the memory is used for storing a predictive control model of the pump, and the data processor compares the pressure signal detected by the pressure sensor with the predictive control model in the memory and adjusts the operating parameters of the frequency converter according to the comparison result.
2. The intelligent circulation pump of claim 1, wherein the predictive control model is a table of correspondence of time, flow rate and pressure of the intelligent pump.
3. The intelligent circulation pump of claim 1, wherein the pump body is provided with an inlet and an outlet, the inlet and the outlet being located on the same line.
4. The intelligent circulation pump of claim 1, wherein the impeller is coupled to the output shaft of the motor by a nut.
5. The intelligent circulation pump of claim 1, wherein the frame is provided with a mechanical seal for sealing the output shaft of the motor with the frame.
6. The intelligent circulation pump of claim 1, wherein the controller is further provided with a bluetooth communication module, an RS485 communication module and/or an ethernet communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921135419.2U CN210317808U (en) | 2019-07-19 | 2019-07-19 | Intelligent circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921135419.2U CN210317808U (en) | 2019-07-19 | 2019-07-19 | Intelligent circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210317808U true CN210317808U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921135419.2U Active CN210317808U (en) | 2019-07-19 | 2019-07-19 | Intelligent circulating pump |
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| CN (1) | CN210317808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242590A (en) * | 2019-07-19 | 2019-09-17 | 上海上涵自动化科技有限公司 | An Intelligent Circulation Pump |
-
2019
- 2019-07-19 CN CN201921135419.2U patent/CN210317808U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242590A (en) * | 2019-07-19 | 2019-09-17 | 上海上涵自动化科技有限公司 | An Intelligent Circulation Pump |
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