阅读说明：本技术 一种加压泵房智能水泵变频系统 (Intelligent water pump frequency conversion system of pressure pump room ) 是由 肖新 于 2021-10-22 设计创作，主要内容包括：本申请公开的加压泵房智能水泵变频系统,与现有技术相比,包括：水流量监测获取模块；水泵转速监测获取模块；参数人工复核模块；目标扬程设定模块；与目标扬程设定模块、水压力监测获取模块通讯连接的数据处理模块,用于对水压力监测获取模块获取的实际扬程与工作人员输入设定的目标扬程进行比较；与数据处理模块通讯连接的水泵变频控制模块。本申请涉及的技术方案,能够动态优化调节水泵的频率,以使变频水泵的实际扬程接近目标扬程,从而使水泵运行在最佳效率工作点上,降低了变频水泵的运行能耗,相较于现有技术而言,其能够解决现有加压泵房中变频冷冻水泵运行耗能较高的问题,提高水泵系统的运行效率,节约水泵系统的运行成本。(The application discloses booster pump room intelligence water pump frequency conversion system compares with prior art, includes: a water flow monitoring and acquiring module; a water pump rotating speed monitoring and acquiring module; a parameter manual review module; a target lift setting module; the data processing module is in communication connection with the target lift setting module and the water pressure monitoring acquisition module and is used for comparing the actual lift acquired by the water pressure monitoring acquisition module with the target lift input and set by a worker; and the water pump frequency conversion control module is in communication connection with the data processing module. The technical scheme that this application relates to can dynamic optimization adjust the frequency of water pump to the actual lift that makes the frequency conversion water pump is close the target lift, thereby makes the water pump operation on best efficiency operating point, has reduced the operation energy consumption of frequency conversion water pump, compares in prior art, and it can solve the higher problem of frequency conversion frozen water pump operation power consumption in the current booster pump room, improves water pump system's operating efficiency, practices thrift water pump system's running cost.)

1. The utility model provides a booster pump room intelligence water pump frequency conversion system which characterized in that includes:

a water pressure monitoring and acquiring module;

a water flow monitoring and acquiring module;

a water pump rotating speed monitoring and acquiring module;

the parameter manual rechecking module is in communication connection with the water pressure monitoring and acquiring module, the water flow monitoring and acquiring module and the water pump rotating speed monitoring and acquiring module and is used for checking the accuracy of data acquired by the water pressure monitoring and acquiring module, the water flow monitoring and acquiring module and the water pump rotating speed monitoring and acquiring module;

the target lift setting module is in communication connection with the manual review module;

the data processing module is in communication connection with the target lift setting module and the water pressure monitoring acquisition module and is used for comparing the actual lift acquired by the water pressure monitoring acquisition module with the target lift input and set by a worker;

and the water pump variable frequency control module is in communication connection with the data processing module and is used for adjusting the frequency of the water pump according to the signal sent by the data processing module.

2. The intelligent pump frequency conversion system of a pressurizing pump room as recited in claim 1, wherein the target head setting module comprises: a lift setting management center; the automatic lift setting module is in communication connection with the lift setting management center; the lift manual setting module is in communication connection with the lift setting management center; the automatic lift setting module is in communication connection with the lift setting management center; and the lift setting authority management module is in communication connection with the lift setting management center.

3. The intelligent pump frequency conversion system of a pressurizing pump room as claimed in claim 2, further comprising: and the lift setting error alarm module is in communication connection with the lift setting management center.

4. The intelligent water pump frequency conversion system of a pressurizing pump room as claimed in claim 2, wherein the automatic lift setting module calculates a set value according to a formula F-aQn + bQn-1+ cQn-2 … + G, wherein F is a target lift, Q is an actual water flow, n is a rotating speed of the frequency conversion freezing water pump, and a and b … c are constants determined by the pipeline characteristics of the water pump system; g ═ a + b + c + …)/n + 1.

5. The intelligent pump frequency conversion system of a pressurizing pump room as claimed in claim 1, further comprising: and the pressure alarm module is in communication connection with the water pressure monitoring and acquiring module.

6. The intelligent pump room frequency conversion system of claim 1, wherein the data processing module comprises: the difference comparison module is used for comparing the actual lift with S, wherein S is the difference between the target lift and the lift deviation; the sum value comparison module is used for comparing the actual lift with N, wherein N is the sum value of the target lift and the lift deviation; a comprehensive decision-making module; the comprehensive decision module is in communication connection with the difference comparison module and the sum comparison module, and when the actual lift is greater than N, the comprehensive decision module sends a first signal to the water pump variable frequency control module; and when the actual lift is smaller than S, the comprehensive decision module sends a second signal to the water pump variable-frequency control module.

7. The intelligent pump frequency conversion system of a pressurizing pump room as recited in claim 6, wherein the pump frequency conversion control module comprises: the system comprises a first control module and a second control module; the first control module is used for controlling the actual frequency of the variable-frequency chilled water pump to be smaller than the current frequency after receiving the first signal; and the second control module is used for controlling the actual frequency of the variable-frequency chilled water pump to be greater than the current frequency after receiving the second signal.

8. The intelligent pump frequency conversion system for a pressurizing pump room as claimed in any one of claims 1 to 7, further comprising: and the executive device fault detection module is in communication connection with the water pressure monitoring acquisition module, the water flow monitoring acquisition module and the water pump rotating speed monitoring acquisition module.

Technical Field

The application relates to the technical field of water pumps, more specifically say, especially relate to an intelligent water pump frequency conversion system of booster pump room.

Background

The booster pump room is also called as a booster pump room or a midway pump room. The pump room is used for pumping water from a pipe network or a reservoir to improve the water pressure in order to meet the water pressure required by a certain water supply section or a building. In the industrial production process, for example, a feed water pump is needed to convey feed water with a certain temperature and peroxide removal in a water storage tank of a deaerator to a boiler in the operation of a thermal power plant so as to meet the requirement of equipment water. When the load of the existing water pump system changes, the operation rotating speed of the water supply pump is changed by adjusting the opening degree of a scoop tube of the hydraulic coupler, so that the water flow provided for is controlled, but the efficiency of the hydraulic coupler and the rotating speed form a linear relation, and along with the reduction of the rotating speed, the efficiency also can be reduced, so that the defects of high power consumption and low use efficiency of the water pump are caused.

Therefore, how to provide a booster pump room intelligence water pump frequency conversion system, it can solve the higher problem of frequency conversion frozen water pump operation power consumption in the current booster pump room, improves water pump system's operating efficiency, has become the technical problem that technical staff in the field had a urgent need to solve.

Disclosure of Invention

For solving above-mentioned technical problem, the application provides a booster pump room intelligence water pump frequency conversion system, and it can solve the higher problem of frequency conversion frozen water pump operation power consumption in the current booster pump room, improves water pump system's operating efficiency.

The technical scheme provided by the application is as follows:

the application provides a booster pump room intelligence water pump frequency conversion system includes: a water pressure monitoring and acquiring module;

a water flow monitoring and acquiring module;

a water pump rotating speed monitoring and acquiring module;

the parameter manual rechecking module is in communication connection with the water pressure monitoring and acquiring module, the water flow monitoring and acquiring module and the water pump rotating speed monitoring and acquiring module and is used for checking the accuracy of data acquired by the water pressure monitoring and acquiring module, the water flow monitoring and acquiring module and the water pump rotating speed monitoring and acquiring module;

the target lift setting module is in communication connection with the manual review module;

the data processing module is in communication connection with the target lift setting module and the water pressure monitoring acquisition module and is used for comparing the actual lift acquired by the water pressure monitoring acquisition module with the target lift input and set by a worker;

and the water pump variable frequency control module is in communication connection with the data processing module and is used for adjusting the frequency of the water pump according to the signal sent by the data processing module.

Further, in a preferred mode of the present invention, the target head setting module includes: a lift setting management center; the automatic lift setting module is in communication connection with the lift setting management center; the lift manual setting module is in communication connection with the lift setting management center; the automatic lift setting module is in communication connection with the lift setting management center; and the lift setting authority management module is in communication connection with the lift setting management center.

Further, in a preferred aspect of the present invention, the method further includes: and the lift setting error alarm module is in communication connection with the lift setting management center.

Further, in a preferred embodiment of the present invention, the automatic head setting module calculates the set value according to a formula F-aQn + bQn-1+ cQn-2 … + G, where F is the target head, Q is the actual water flow rate, n is the rotation speed of the variable frequency chilled water pump, and a and b … c are constants determined by the pipe characteristics of the water pump system; g ═ a + b + c + …)/n + 1.

Further, in a preferred aspect of the present invention, the method further includes: and the pressure alarm module is in communication connection with the water pressure monitoring and acquiring module.

Further, in a preferred mode of the present invention, the data processing module includes: the difference comparison module is used for comparing the actual lift with S, wherein S is the difference between the target lift and the lift deviation; the sum value comparison module is used for comparing the actual lift with N, wherein N is the sum value of the target lift and the lift deviation; a comprehensive decision-making module; the comprehensive decision module is in communication connection with the difference comparison module and the sum comparison module, and when the actual lift is greater than N, the comprehensive decision module sends a first signal to the water pump variable frequency control module; and when the actual lift is smaller than S, the comprehensive decision module sends a second signal to the water pump variable-frequency control module.

Further, in a preferred aspect of the present invention, the water pump variable frequency control module includes: the system comprises a first control module and a second control module; the first control module is used for controlling the actual frequency of the variable-frequency chilled water pump to be smaller than the current frequency after receiving the first signal; and the second control module is used for controlling the actual frequency of the variable-frequency chilled water pump to be greater than the current frequency after receiving the second signal.

Further, in a preferred aspect of the present invention, the method further includes: and the executive device fault detection module is in communication connection with the water pressure monitoring acquisition module, the water flow monitoring acquisition module and the water pump rotating speed monitoring acquisition module.

Compared with the prior art, the intelligent water pump frequency conversion system of the pressurizing pump room provided by the invention comprises the following components: a water flow monitoring and acquiring module; a water pump rotating speed monitoring and acquiring module; the parameter manual rechecking module is in communication connection with the water pressure monitoring and acquiring module, the water flow monitoring and acquiring module and the water pump rotating speed monitoring and acquiring module and is used for checking the accuracy of data acquired by the water pressure monitoring and acquiring module, the water flow monitoring and acquiring module and the water pump rotating speed monitoring and acquiring module; the target lift setting module is in communication connection with the manual review module; the data processing module is in communication connection with the target lift setting module and the water pressure monitoring acquisition module and is used for comparing the actual lift acquired by the water pressure monitoring acquisition module with the target lift input and set by a worker; and the water pump variable frequency control module is in communication connection with the data processing module and is used for adjusting the frequency of the water pump according to the signal sent by the data processing module. The technical scheme that this application relates to can dynamic optimization adjust the frequency of water pump to the actual lift that makes the frequency conversion water pump is close the target lift, thereby makes the water pump operation on best efficiency operating point, has reduced the operation energy consumption of frequency conversion water pump, compares in prior art, and it can solve the higher problem of frequency conversion frozen water pump operation power consumption in the current booster pump room, improves water pump system's operating efficiency, practices thrift water pump system's running cost.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of an intelligent water pump frequency conversion system of a pressurizing pump room provided in an embodiment of the present invention;

fig. 2 is a schematic diagram of a target head setting module according to an embodiment of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.

As shown in fig. 1 to fig. 2, an intelligent water pump frequency conversion system for a pressurizing pump room provided in the embodiment of the present application includes: a water flow monitoring and acquiring module 1; a water pump rotating speed monitoring and acquiring module 2; the parameter manual rechecking module 4 is in communication connection with the water pressure monitoring and acquiring module 3, the water flow monitoring and acquiring module 1 and the water pump rotating speed monitoring and acquiring module 2 and is used for verifying the accuracy of data acquired by the water pressure monitoring and acquiring module 3, the water flow monitoring and acquiring module 1 and the water pump rotating speed monitoring and acquiring module 2; a target lift setting module 5 in communication connection with the manual review module 4; the data processing module 6 is in communication connection with the target lift setting module 5 and the water pressure monitoring acquisition module 3 and is used for comparing the actual lift acquired by the water pressure monitoring acquisition module 3 with the target lift input and set by the staff; and the water pump frequency conversion control module 7 is in communication connection with the data processing module 6, and the water pump frequency conversion control module 7 is used for adjusting the frequency of the water pump according to the signal sent by the data processing module 6.

The embodiment of the invention provides an intelligent water pump frequency conversion system of a pressurizing pump room, which specifically comprises: a water flow monitoring and acquiring module 1; a water pump rotating speed monitoring and acquiring module 2; the parameter manual rechecking module 4 is in communication connection with the water pressure monitoring and acquiring module 3, the water flow monitoring and acquiring module 1 and the water pump rotating speed monitoring and acquiring module 2 and is used for verifying the accuracy of data acquired by the water pressure monitoring and acquiring module 3, the water flow monitoring and acquiring module 1 and the water pump rotating speed monitoring and acquiring module 2; a target lift setting module 5 in communication connection with the manual review module 4; the data processing module 6 is in communication connection with the target lift setting module 5 and the water pressure monitoring acquisition module 3 and is used for comparing the actual lift acquired by the water pressure monitoring acquisition module 3 with the target lift input and set by the staff; and the water pump frequency conversion control module 7 is in communication connection with the data processing module 6, and the water pump frequency conversion control module 7 is used for adjusting the frequency of the water pump according to the signal sent by the data processing module 6. The technical scheme that this application relates to can dynamic optimization adjust the frequency of water pump to the actual lift that makes the frequency conversion water pump is close the target lift, thereby makes the water pump operation on best efficiency operating point, has reduced the operation energy consumption of frequency conversion water pump, compares in prior art, and it can solve the higher problem of frequency conversion frozen water pump operation power consumption in the current booster pump room, improves water pump system's operating efficiency, practices thrift water pump system's running cost.

Specifically, in the embodiment of the present invention, the target head setting module 5 includes: a head setting management center 501; a lift automatic setting module 502 in communication connection with the lift setting management center 501; a lift manual setting module 502 in communication connection with the lift setting management center 501; a lift automatic setting module 503 in communication connection with the lift setting management center 501; and a lift setting authority management module 504 in communication connection with the lift setting management center 501.

Specifically, in the embodiment of the present invention, the method further includes: and a lift setting error alarm module 505 in communication connection with the lift setting management center 501.

Specifically, in the embodiment of the present invention, the lift automatic setting module 503 calculates a set value according to a formula F aQn + bQn-1+ cQn-2 … + G, where F is a target lift, Q is an actual water flow, n is a rotation speed of the variable frequency chilled water pump, and a and b … c are constants determined by a pipeline characteristic of the water pump system; g ═ a + b + c + …)/n + 1. The automatic pump head setting module 503 calculates the target pump head according to the above formula, and the system can automatically set the target pump head setting module according to the guide number calculated by the automatic pump head setting module 503 without the interference of external force personnel, so that the automation and the intellectualization of the system are improved to a great extent, the dependence degree on personnel is reduced, and the management control efficiency of the water pump system is improved.

Specifically, in the embodiment of the present invention, the method further includes: and the pressure alarm module 8 is in communication connection with the water pressure monitoring and acquiring module 3.

Specifically, in the embodiment of the present invention, the data processing module 6 includes: a difference comparison module 601, configured to compare the actual lift with S, where S is a difference between the target lift and a lift deviation; a sum comparison module 602, configured to compare the actual lift with N, where N is a sum of a target lift and a lift deviation; a comprehensive decision module 603; the comprehensive decision module 603 is in communication connection with the difference comparison module 601 and the sum comparison module 602, and when the actual lift is greater than N, the comprehensive decision module 603 sends a first signal to the water pump variable frequency control module 7; when the actual lift is smaller than S, the comprehensive decision module 603 sends a second signal to the water pump variable frequency control module 7.

Specifically, in the embodiment of the present invention, the water pump variable frequency control module 7 includes: a first control module 701 and a second control module 702; the first control module 701 is used for controlling the actual frequency of the variable-frequency chilled water pump to be smaller than the current frequency after receiving the first signal; and the second control module 702 is configured to receive the second signal and then control the actual frequency of the variable-frequency chilled water pump to be greater than the current frequency.

Specifically, in the embodiment of the present invention, the method further includes: and the executive device fault detection module is in communication connection with the water pressure monitoring acquisition module 3, the water flow monitoring acquisition module 1 and the water pump rotating speed monitoring acquisition module 2.

In summary, according to the technical scheme of the present application, due to the arrangement of the water flow monitoring acquisition module 1, the water pump rotation speed monitoring acquisition module 2, the parameter manual review module 4, and the data processing module 6, the water pump frequency is constructively and organically adjusted to a great extent, wherein the data processing module 6 is used for comparing the actual lift acquired by the water pressure monitoring acquisition module 3 with the target lift input and set by the operator; a water pump frequency conversion control module 7 which is in communication connection with the data processing module 6, wherein the water pump frequency conversion control module 7 is used for adjusting the frequency of the water pump according to the signal sent by the data processing module 6, the functional modules are organically matched, the frequency of the water pump can be dynamically optimized and adjusted by the cooperation of the frequency conversion pump and the frequency conversion pump in the system, so that the actual lift of the frequency conversion pump is close to the target lift, thereby the water pump runs at the working point with the best efficiency, the running energy consumption of the variable frequency water pump is reduced, in addition, the parameter manual rechecking module 4 further improves the accuracy of source data, the working error rate caused by the error of the pure machine operation is greatly reduced, compared with the prior art, the variable-frequency refrigeration water pump can solve the problem that the operation energy consumption of a variable-frequency refrigeration water pump in the existing pressurizing pump room is high, the operation efficiency of a water pump system is improved, and the operation cost of the water pump system is remarkably saved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.