CN205478257U - Pump efficiency, flow and lift detecting system - Google Patents
Pump efficiency, flow and lift detecting system Download PDFInfo
- Publication number
- CN205478257U CN205478257U CN201620260014.1U CN201620260014U CN205478257U CN 205478257 U CN205478257 U CN 205478257U CN 201620260014 U CN201620260014 U CN 201620260014U CN 205478257 U CN205478257 U CN 205478257U
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- Prior art keywords
- water pump
- flow
- efficiency
- converter
- pump
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Abstract
The utility model discloses a pump efficiency, flow and lift detecting system, including water pump, converter and controller. The converter with the water pump links to each other, and it is right to be used for the water pump carries out frequency conversion, the controller with the converter links to each other for acquire output and the output frequence and the basis of converter output and output frequence calculate flow, lift and the efficiency of water pump. According to the utility model provides a pump efficiency, flow and lift detecting system, its simple structure, need not to install pressure sensor, the flowmeter can be measured. Simultaneously, through PI D real time control and measure to show that test water pump performance data precision is higher, having overcome manual testing and having handled the error of bringing, efficiency of software testing improves, has realized the high accuracy and the high automation of water pump performance test, has not only reduced water pump performance test cost, has shortened test time moreover.
Description
Technical field
This utility model relates to pump performance detection technique field, particularly to a kind of pump efficiency, flow
And lift detecting system.
Background technology
Water pump, as important fluid machinery, is widely used in industrial or agricultural and each department of people's life
And field.Pump working embodies with feed flow, generation pressure, power and efficiency, these ginsengs
Several exist corresponding relation, when rotating speed and changes in flow rate, can cause the ginsengs such as power, lift and efficiency
The respective change of number.Must be referred to characteristic curve of pump in using to select water pump, and determine that it runs work
Make a little, just can keep it in efficient district and run.Can also for pumps design, produce and use the offer can
By ground performance data feedback and support, thus reasonably use water pump, and promote carrying of water pump production technology
Height and the lifting of water pump quality.Visible pump performance detection technique is to the research and development of water pump and production, to grasp
Water pump operation situation, that water pump is carried out maintenance is the most significant.
Pump performance detection in the past carries out Operating condition adjustment with processing the method using manual testing and analysis, by
Artificial reading measured parameter from the instrument such as effusion meter, pressure transducer, then carry out computing, draw water pump
Performance parameter.The most not only Operating condition adjustment is slow, wastes time and energy, and labor intensity is big, and the cycle is long, test effect
Rate and precision are the most relatively low, and poor stability.More difficult satisfied modern water pump detection and the requirement processed.
Therefore it has been proposed that energy-saving heat quantity flow Calibration Technology, to overcome existing instrument detection technique
The problem existed, reduces energy consumption to a certain extent and improves measuring accuracy so that it is having more practicality,
Also someone utilizes water pump curve to propose the total head of water pump, the simple and easy determination of rate of discharge, but
Still requirement can not be met.
Also a pump performance intelligent checking system is had though domestic, but mostly have that system is huge, interface is miscellaneous,
The problems such as on the high side, human-computer interaction interface friendly is poor, operation complexity.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art to provide a kind of pump efficiency, stream
Amount and lift detecting system.
This utility model solves prior art problem and be the technical scheme is that a kind of pump efficiency, stream
Amount and lift detecting system, including:
Water pump；
Converter, described converter is connected with described water pump, in order to described water pump is carried out variable frequency adjustment；
Controller, described controller is connected with described converter, in order to obtain converter output and
Output frequency also calculates the flow of described water pump, lift and efficiency according to described output and output frequency.
Preferably, described water pump is multiple, and multiple described water pumps are connected to same described converter, or
Each in the multiple described water pump of person connects a described converter.
Preferably, the water outlet side of described water pump is provided with automatic isolating valve.
Preferably, the influent side of described water pump is additionally provided with manual isolation valve.
Preferably, also including a display screen, described display screen is connected with described controller, in order to show
State the flow of described water pump, lift and the efficiency information of controller output.
Pump efficiency, flow and the lift detecting system provided according to this utility model, its simple in construction,
Without installing pressure transducer, effusion meter can be measured.Meanwhile, controlled in real time by PID and measure aobvious
Showing, test pump performance data precision is higher, overcomes manual testing and processes the error brought, surveying
Examination efficiency improves, it is achieved that the high accuracy of testing water pump and high automatization, not only reduces water pump
Energy testing cost, and shorten the testing time.
Accompanying drawing explanation
Fig. 1 is that the structure of one embodiment pump efficiency of this utility model, flow and lift detecting system is shown
It is intended to；
Fig. 2 is another embodiment pump efficiency of this utility model, flow and the structure of lift detecting system
Schematic diagram；
Fig. 3 is another embodiment pump efficiency of this utility model, flow and the structure of lift detecting system
Schematic diagram.
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings into
One step explanation.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings,
The most same or similar label represents same or similar element or has same or like merit
The element of energy.The embodiment described below with reference to accompanying drawing is exemplary, it is intended to be used for explaining this reality
With novel, and it is not intended that to restriction of the present utility model.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " horizontal stroke
To ", " on ", D score, "front", "rear", "left", "right", " vertically ", " water
Flat ", the orientation that indicates of " top ", " end ", " interior ", " outward " etc. or position relationship be based on attached
Orientation shown in figure or position relationship, be for only for ease of the description present invention and simplify description rather than refer to
Show or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.Additionally, term " first ", " second " are only used
In describing purpose, and it is not intended that indicate or hint relative importance.
Additionally, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ",
The term such as " fix " should be interpreted broadly, connect for example, it may be fixing, it is also possible to be detachably to connect
Connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together,
Can also be indirectly connected to by intermediary, can be the connection of two element internals.For this area
For those of ordinary skill, concrete in this utility model of above-mentioned term can be understood as the case may be
Implication.
With reference to shown in Fig. 1, this utility model embodiment provides a kind of pump efficiency, flow and lift inspection
Examining system, including water pump 10, converter 11 and controller 12.
Concrete, converter 11 is connected with described water pump 10, in order to described water pump 10 is carried out frequency conversion tune
Joint.Controller 12 is connected with described converter 11, in order to obtain output and the output of converter 11
Frequency also calculates flow, lift and the efficiency of described water pump 10 according to described output and output frequency.
It should be noted that controller 12 calculates the flow of described water pump, lift and efficiency can utilize water
The similarity law of pump calculates.
It is understood that as it is shown in figure 1, water pump can be one.As shown in Figure 2 and Figure 3, water pump
10 can also be multiple, and when water pump 10 is multiple, multiple described water pumps 10 are connected to same described
Each in converter 11 (as shown in Figure 2), or multiple described water pump 10 connects a described change
Frequently device 11 (as shown in Figure 3).So, output frequency and output by converter 11 are as ginseng
Examining object, controller 12 calculates the flow of each water pump, lift further according to this output and output frequency
And efficiency.So, it is possible to achieve the cluster detection of multiple water pump 10 performances, the inspection of water pump 10 performance is improved
The efficiency surveyed and effect.
It should be noted that when being connected to same described converter 11 at multiple water pumps 10, the most
Flow, lift and the efficiency of individual water pump 10 are identical, and when multiple water pumps 10 connect an institute respectively
When stating converter 11, if the output frequency of each converter 11 and output are different, the most finally count
The flow of each water pump 10, lift and the efficiency that obtain are the most different.
Referring to figs. 1 through shown in Fig. 3, in one embodiment of the invention, the water outlet side of water pump 10 is provided with
Automatic isolating valve 14.The switch of the water outlet side of water pump 10 can be controlled by this automatic isolating valve 14.Water
The influent side of pump 10 is additionally provided with manual isolation valve 13, can control water pump 10 by this manual isolation valve 13
The switch of influent side.
In an embodiment of the present utility model, also include a display screen (not shown), described display screen
Be connected with described controller 12, in order to show described water pump 10 that described controller 12 exports flow,
Lift and efficiency information.So, can be convenient to know and monitor water technical data required for the pump in real time, i.e. flow
Amount, lift and efficiency etc..
Pump efficiency, flow and the lift detecting system provided according to this utility model, its simple in construction,
Without installing pressure transducer, effusion meter can be measured.Meanwhile, controlled in real time by PID and measure aobvious
Showing, test water pump 10 performance data precision is higher, overcomes manual testing and processes the error brought,
Testing efficiency improves, it is achieved that the high accuracy of water pump 10 performance test and high automatization, not only reduces water
Pump 10 performance test cost, and shorten the testing time.
The foregoing is only preferred embodiment of the present utility model, not thereby limit of the present utility model specially
Profit scope, every equivalent structure utilizing this utility model description and accompanying drawing content to be made or equivalence flow process
Conversion, or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in this utility model
Scope of patent protection in.
Claims (5)
1. a pump efficiency, flow and lift detecting system, it is characterised in that including:
Water pump；
Converter, described converter is connected with described water pump, in order to described water pump is carried out variable frequency adjustment；
Controller, described controller is connected with described converter, in order to obtain converter output and
Output frequency also calculates the flow of described water pump, lift and efficiency according to described output and output frequency.
Pump efficiency the most according to claim 1, flow and lift detecting system, it is characterised in that
Described water pump is multiple, and multiple described water pumps are connected to same described converter, or multiple described water
Each in pump connects a described converter.
Pump efficiency the most according to claim 1, flow and lift detecting system, it is characterised in that
The water outlet side of described water pump is provided with automatic isolating valve.
Pump efficiency the most according to claim 1, flow and lift detecting system, it is characterised in that
The influent side of described water pump is additionally provided with manual isolation valve.
Pump efficiency the most according to claim 1, flow and lift detecting system, it is characterised in that
Also include that a display screen, described display screen are connected with described controller, in order to show that described controller exports
The flow of described water pump, lift and efficiency information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620260014.1U CN205478257U (en) | 2016-03-31 | 2016-03-31 | Pump efficiency, flow and lift detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620260014.1U CN205478257U (en) | 2016-03-31 | 2016-03-31 | Pump efficiency, flow and lift detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205478257U true CN205478257U (en) | 2016-08-17 |
Family
ID=56645099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620260014.1U Active CN205478257U (en) | 2016-03-31 | 2016-03-31 | Pump efficiency, flow and lift detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205478257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673474A (en) * | 2016-03-31 | 2016-06-15 | 深圳市新环能科技有限公司 | Water pump efficiency, flow and lift detection method and system |
-
2016
- 2016-03-31 CN CN201620260014.1U patent/CN205478257U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673474A (en) * | 2016-03-31 | 2016-06-15 | 深圳市新环能科技有限公司 | Water pump efficiency, flow and lift detection method and system |
| CN105673474B (en) * | 2016-03-31 | 2018-01-19 | 深圳市新环能科技有限公司 | Pump efficiency, flow and lift detection method and system |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |