CN208996969U - A kind of pumping plant - Google Patents
A kind of pumping plant Download PDFInfo
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- CN208996969U CN208996969U CN201820703110.8U CN201820703110U CN208996969U CN 208996969 U CN208996969 U CN 208996969U CN 201820703110 U CN201820703110 U CN 201820703110U CN 208996969 U CN208996969 U CN 208996969U
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- shell
- frequency converter
- pumping plant
- magnet synchronous
- synchronous motor
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Abstract
The utility model provides a kind of pumping plant, wherein includes: first shell；Frequency converter is set in the first shell；Permanent magnet synchronous motor is set in the first shell, and is located at the lower section of the frequency converter and is connect with the permanent magnet synchronous motor；Second shell is connect positioned at the lower part of the first shell with the first shell；Water pump structure is set in the second shell, and the water pump structure connects with the permanent magnet synchronous motor.The beneficial effect of its technical solution is, it crosses in such a way that permanent magnet synchronous motor drives water pump structure, the problem of revolutionizing motor low-speed running inefficiency existing for the mode of current conventionally employed AC asynchronous motor ensure that high efficiency when motor low speed, frequency converter and permasyn morot are combined simultaneously, have many advantages, such as that stable, easy to maintain, easy to operate, high-efficient, energy-saving effect is significant, environmentally friendly low-carbon.
Description
Technical field
The utility model relates to supply equipment technical field more particularly to a kind of pumping plants.
Background technique
In building water system, pressurization is supplied water or constant pressure water supply requires the variation according to water flow, passes through tune
The revolving speed of whole water pump realizes that gathering tube outlet pressure is constant, to meet user's water requirements of high-storey.Specific control flow benefit
The speed adjustment of motor is realized by adjusting the frequency of supply of motor with frequency converter, and then realizes the adjustment of pump rotary speed,
According to the characteristic curve of pump it is found that the variation of pump rotary speed, changes the lift of water pump, that is, the pressure exported is calculated using PID control
Method guarantees the stabilization of outlet pressure.
Existing constant pressure water supply is divided into both of which, and one kind is PLC+ frequency converter+AC asynchronous motor+water pump side
Formula；Another kind of is the simple control function using frequency converter, frequency converter+AC asynchronous motor+water pump, and the difference of the two exists
In either with or without PLC controller.Above-mentioned way of supplying water has the following defects, and the two all uses common AC asynchronous motor
Water pump, low efficiency of the AC asynchronous motor in the slow-speed of revolution are driven, and Design of Waterworks working method is supplied according to maximum
Aqueous mode design, and in normal work, the most of the time of equipment works in the slow-speed of revolution, the low efficiency of asynchronous motor,
The waste of mass energy is caused, it is less economical.Frequency converter and water pump (translator) are independent, separate, and frequency converter and water pump are opposite
Volume is bigger, and occupied space is big, and installation wiring is cumbersome.
Summary of the invention
For the above problem existing for building water system in the prior art, now providing one kind, to be intended to occupied space smaller,
It is easy for installation, the pumping plant of motor efficiency can be effectively improved.
Specific technical solution is as follows:
A kind of pumping plant, wherein include:
First shell；
Frequency converter is set in the first shell；
Permanent magnet synchronous motor is set in the first shell, and be located at the frequency converter lower section and with the permanent magnetism
Synchronous motor connection；
Second shell is connect positioned at the lower part of the first shell with the first shell；
Water pump structure is set in the second shell, and the water pump structure connects with the permanent magnet synchronous motor.
Preferably, the frequency converter is provided with temperature sensor interface and/or vibrating sensor interface and/or anhydrous
Sensor interface.
It preferably, include an IGBT module in the frequency converter；
Substrate is fixedly installed on the inside of the first shell, and close to the top of the first shell；
First cavity, positioned at the lower section of the substrate；
Radiator structure is set in first cavity, and the top of the radiator structure is connect with the substrate, described to dissipate
The surrounding of heat structure is contacted with the side wall of the first shell, and the IGBT module is set to inside the heat radiating fin structure；
Fan assembly, the bottom of the fan assembly are connect with the bottom of the radiator structure；
Second cavity is connected to first cavity, and the permanent magnet synchronous motor is set in second cavity, described
The bottom of fan assembly and the permanent magnet synchronous motor is provided with a prepsetting gap；
The periphery of the corresponding first shell of second cavity is provided with a radiator window.
Preferably, the radiator structure is rectangular-shaped in one, and the radiator structure is made of metal fin.
Preferably, it is provided with flange arrangement between the first shell and the second shell, passes through the flange arrangement
The first shell and the second shell are connected and fixed.
Preferably, a controller is integrated in the frequency converter；
The water outlet of the water pump structure is set to backwards to one end of the first shell；
The inner sidewall of the water outlet of the water pump structure is provided with a pair without water sensor, and a pair of no water sensor is logical
Signal wire is crossed to connect with the digital-quantity input interface of the controller.
Preferably, a pair of no water sensor is by a pair on the inner sidewall for the water outlet that the water pump structure is arranged in
Anticorrosion electrode is constituted.
Preferably, the frequency converter is integrated with a communication unit.
Preferably, the communication unit is NB-IOT mould group.
Above-mentioned technical proposal has the following advantages that or the utility model has the advantages that by using permanent magnet synchronous motor driving water pump structure
Mode revolutionizes asking for motor low-speed running inefficiency existing for the mode of current conventionally employed AC asynchronous motor
Topic ensure that high efficiency when motor low speed, while frequency converter and permasyn morot being combined, with stable, dimension
Protect the advantages that convenient, easy to operate, high-efficient, energy-saving effect is significant, environmentally friendly low-carbon.
Detailed description of the invention
With reference to appended attached drawing, more fully to describe the embodiments of the present invention.However, appended attached drawing is only used for
Bright and elaboration, does not constitute the limitation to the scope of the utility model.
Fig. 1 is a kind of structural schematic diagram of pumping plant embodiment of the utility model.
Appended drawing reference indicates:
1, first shell；2, frequency converter；3, permanent magnet synchronous motor；4, second shell；5, water pump structure；11, substrate；12,
Radiator structure；13, fan assembly.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work
Under every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as the utility model
It limits.
It include a kind of pumping plant in the technical solution of the utility model.
As shown in Figure 1, a kind of embodiment of pumping plant, wherein include:
First shell 1；
Frequency converter 2 is set in first shell 1；
Permanent magnet synchronous motor 3 is set in first shell 1, and be located at frequency converter 2 lower section and with permanent magnet synchronous motor 3
Connection；
Second shell 4 is connect positioned at the lower part of first shell 1 with first shell 1；
Water pump structure 5 is set in second shell 4, and water pump structure 5 connects with permanent magnet synchronous motor 3.
For in the prior art, 99% or more frequency-conversion water supply system controls the mode of asynchronous motor using frequency converter 2, so
And such frequency-conversion water supply system is for a long time in 0% -50% or so operations of water pump nominal load, asynchronous motor supplied with variable frequency centrifugal pump
In low-load operation, efficiency is very low, causes the waste of the energy and water system longtime running is inefficient and control system is easy
Lead to the problem of interference.
In the utility model in such a way that permanent magnet synchronous motor 3 drives water pump structure 5, revolutionizes current tradition and adopt
It is efficient when the problem of motor low-speed running inefficiency existing for the mode of AC asynchronous motor ensure that motor low speed
Rate, while the combination of first shell 1 and second shell 4 can make to form an overall structure between water pump structure and motor, overcome
Frequency converter 2 and water pump (translator) are independent in the prior art, separate, and frequency converter 2 and water pump relative volume are bigger, occupied space
Greatly, the cumbersome problem of installation wiring.
In a kind of preferably embodiment, frequency converter 2 is provided with temperature sensor interface.
In a kind of preferably embodiment, frequency converter 2 is provided with vibrating sensor interface.
In a kind of preferably embodiment, frequency converter 2 is provided with anhydrous sensor interface.
In above-mentioned technical proposal, frequency converter 2 can be in the temperature sensing of outside access by the temperature sensor interface of setting
Device connects, and can be connect with the vibrating sensor of outside access by the vibrating sensor interface of setting, and pass through the anhydrous of setting
Sensor, which connects, to be connect with what outside was accessed without water sensor.
It include an IGBT module in frequency converter 2 in a kind of preferably embodiment；
Substrate 11 is fixedly installed on the inside of first shell 1, and close to the top of first shell 1；
First cavity, positioned at the lower section of substrate 11；
Radiator structure 12, is set in the first cavity and (does not show in figure), and the top of radiator structure 12 and substrate 11 connect
It connects, the surrounding of radiator structure 12 is contacted with the side wall of first shell 1, and IGBT module is set to inside heat radiating fin structure；
The bottom of fan assembly 13, fan assembly 13 is connect with the bottom of radiator structure 12；
Second cavity (is not shown in figure), is connected to the first cavity, and permanent magnet synchronous motor 3 is set in the second cavity,
The bottom of fan assembly 13 and permanent magnet synchronous motor 3 is provided with a prepsetting gap；
The periphery of the corresponding first shell 1 of second cavity is provided with a radiator window (not showing in figure).
In a kind of preferably embodiment, radiator structure 12 is rectangular-shaped in one, and radiator structure 12 is by metal fin group
At.
In above-mentioned technical proposal, the Converting Unit IGBT module (not showing in figure) of frequency converter 2 is arranged in cooling mechanism
In, the heat that wherein radiator structure 12 can effectively generate IGBT module is oriented to first shell 1, is carried out by first shell 1
Heat dissipation；
Fan assembly 13 can form drive air-flow in the operating condition simultaneously, to accelerate in the first cavity and the second cavity
Air by the outside dissipation of radiator window, form good air exchange, can effectively reduce in the first cavity and the second cavity
Temperature avoids local temperature from increasing so that the heat of frequency converter 2 will not be concentrated.
In a kind of preferably embodiment, it is provided with flange arrangement between first shell 1 and second shell 4, passes through method
First shell 1 and second shell 4 are connected and fixed by blue structure.
In a kind of preferably embodiment, be integrated with a controller in frequency converter 2, the water outlet of water pump structure 5 it is interior
Side wall is provided with a pair of without water sensor, a pair of digital-quantity input interface company for passing through signal wire and controller without water sensor
It connects.
In a kind of preferably embodiment, it is a pair of without water sensor by the inside of the water outlet of water pump structure 5 is arranged in
A pair of of anticorrosion electrode on wall is constituted.
In a kind of preferably embodiment, frequency converter 2 is integrated with a communication unit.
In a kind of preferably embodiment, communication unit is NB-IOT mould group.
In above-mentioned technical proposal, Internet of Things mould group is integrated, Internet of Things module uses NB-IOT mould group, has pumping plant
The ability of communication and networking.
The foregoing is merely the utility model preferred embodiment, be not intended to limit the embodiments of the present invention and
Protection scope should can appreciate that all in the utility model specification and diagram to those skilled in the art
Hold made equivalent replacement and obviously change obtained scheme, the protection model of the utility model should all be included in
In enclosing.
Claims (9)
1. a kind of pumping plant characterized by comprising
First shell；
Frequency converter is set in the first shell；
Permanent magnet synchronous motor is set in the first shell, and be located at the frequency converter lower section and with the permanent-magnet synchronous
Motor connection；
Second shell is connect positioned at the lower part of the first shell with the first shell；
Water pump structure is set in the second shell, and the water pump structure connects with the permanent magnet synchronous motor.
2. pumping plant according to claim 1, which is characterized in that the frequency converter is provided with temperature sensor interface,
And/or vibrating sensor interface and/or anhydrous sensor interface.
3. pumping plant according to claim 1, which is characterized in that include an IGBT module in the frequency converter；
Substrate is fixedly installed on the inside of the first shell, and close to the top of the first shell；
First cavity, positioned at the lower section of the substrate；
Radiator structure is set in first cavity, and the top of the radiator structure is connect with the substrate, the heat dissipation knot
The surrounding of structure is contacted with the side wall of the first shell, and the IGBT module is set to inside the radiator structure；
Fan assembly, the bottom of the fan assembly are connect with the bottom of the radiator structure；
Second cavity is connected to first cavity, and the permanent magnet synchronous motor is set in second cavity, the fan
The bottom of device and the permanent magnet synchronous motor is provided with a prepsetting gap；
The periphery of the corresponding first shell of second cavity is provided with a radiator window.
4. pumping plant according to claim 3, which is characterized in that the radiator structure is rectangular-shaped in one, and described scattered
Heat structure is made of metal fin.
5. pumping plant according to claim 1, which is characterized in that set between the first shell and the second shell
It is equipped with flange arrangement, is connected and fixed the first shell and the second shell by the flange arrangement.
6. pumping plant according to claim 1, which is characterized in that be integrated with a controller in the frequency converter；
The water outlet of the water pump structure is set to backwards to one end of the first shell；
The inner sidewall of the water outlet of the water pump structure is provided with a pair without water sensor, and a pair of no water sensor passes through letter
Number line is connect with the digital-quantity input interface of the controller.
7. pumping plant according to claim 6, which is characterized in that a pair of no water sensor is by being arranged in the water
A pair of of anticorrosion electrode on the inner sidewall of the water outlet of pump configuration is constituted.
8. pumping plant according to claim 1, which is characterized in that the frequency converter is integrated with a communication unit.
9. pumping plant according to claim 8, which is characterized in that the communication unit is NB-IOT mould group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820703110.8U CN208996969U (en) | 2018-05-11 | 2018-05-11 | A kind of pumping plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820703110.8U CN208996969U (en) | 2018-05-11 | 2018-05-11 | A kind of pumping plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208996969U true CN208996969U (en) | 2019-06-18 |
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ID=66794817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820703110.8U Active CN208996969U (en) | 2018-05-11 | 2018-05-11 | A kind of pumping plant |
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| Country | Link |
|---|---|
| CN (1) | CN208996969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469514A (en) * | 2018-05-11 | 2019-11-19 | 上海威派格智慧水务股份有限公司 | A water pump device |
-
2018
- 2018-05-11 CN CN201820703110.8U patent/CN208996969U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469514A (en) * | 2018-05-11 | 2019-11-19 | 上海威派格智慧水务股份有限公司 | A water pump device |
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