CN205935058U - Variable frequency speed regulation constant pressure water supply device - Google Patents
Variable frequency speed regulation constant pressure water supply device Download PDFInfo
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- CN205935058U CN205935058U CN201620938430.2U CN201620938430U CN205935058U CN 205935058 U CN205935058 U CN 205935058U CN 201620938430 U CN201620938430 U CN 201620938430U CN 205935058 U CN205935058 U CN 205935058U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 154
- 239000008400 supply water Substances 0.000 claims description 20
- 230000008520 organization Effects 0.000 claims description 17
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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Abstract
The utility model relates to a water pipe network control technical field, in particular to Variable Frequency Speed Governing (VFSG) constant voltage water supply installation. The utility model comprises a frequency converter, a pressure sensor, an operation control platform, a water pump control mechanism and a PLC (programmable logic controller), wherein the frequency converter is respectively connected with a water tower, the water pump control mechanism and the PLC, the pressure sensor is respectively connected with a water supply pipe, the water pump control mechanism and the PLC, the PLC is connected with the operation control platform, the water pump control mechanism comprises a plurality of water pump control components which are connected in parallel, and the water pump control components comprise a water pump; the utility model discloses in, pressure sensor detects the pipe network pressure in the water supply pipe, sends the detection data of pipe network pressure to PLC editable controller, thereby PLC editable controller carries out the regulation control to the water pump through the converter to reach the effect that the constant voltage supplied water.
Description
Technical field
This utility model is related to grid control technology field, particularly to a kind of varying speed and constant pressure feed water device.
Background technology
Constant pressure water supply is that secondary water-supply equipment carries out a kind of mode supplying water, and it is to maintain the constant of pressure of supply water, can make
Supply water and with keeping balance between water, that is, with water many when supply water also many, with water few when water supply also less, thus improve the matter of water supply
Amount.
User's water consumption is usually dynamic, and therefore insufficient water or the superfluous situation that supplies water happen occasionally, and use water and
On the pressure supplying water, that is, many and supply water few with water, then pressure is low for uneven concentrated reflection between water supply;Few and supply water with water
Many, then pressure is big, keeps the constant of pressure of supply water, can make water supply and with keeping balance between water, that is, with water many when water supply also many,
Supply water during with water less also few, thus improve the quality of water supply.
Constant pressure water supply system is very important for user, when productive life supplies water, if tap water supply is pressed for some reason
Power is not enough or cuts off the water supply in short-term, may affect quality of life, can affect living safety when serious, when such as there is fire, if supplying hydraulic pressure
Power is not enough or no water supply, it is impossible to rapid put out a fire, may cause heavy economic lossess and casualties.
No matter being water for industrial use, or domestic water, water consumption is all change, the domestic water of such as residential building, one
As the water consumption larger time period be the morning, noon and afternoon, and other time section is then considerably less with water, traditional constant pressure water supply side
Formula is usually water tower, high flush tank and air pressure tank, and the maturation with frequency converter timing technology, and the day of automatic technology
Become ripe, it is trend of the times that frequency control perseverance water system replaces traditional constant pressure water supply mode.
Content of the invention
Described above in order to overcome the shortcomings of, the purpose of this utility model is to provide a kind of varying speed and constant pressure feed water dress
Put, it adopts variable frequency regulating speed control, easy to operate, practical.
The technical scheme in the invention for solving the technical problem is:
A kind of varying speed and constant pressure feed water device, is connected with water tower, water supply water pipe respectively, wherein, including converter, pressure
Sensor, operation bench, water pump controlling organization and PLC editable controller, described converter is controlled with described water tower, water pump respectively
Mechanism, PLC editable controller connect, and described pressure transducer is respectively with described water supply water pipe, water pump controlling organization, PLC can
Editing controller connects, and described PLC editable controller is connected with operation bench, and described water pump controlling organization includes some parallel connections
Water pump control assembly, described water pump control assembly includes water pump.
As a kind of improvement of the present utility model, described water pump control assembly also includes effusion meter and timer, described water
Pump is connected with described effusion meter, and described effusion meter is connected with described timer, and described effusion meter, timer all can with described PLC
Editing controller connects.
As further improvement of the utility model, described water pump controlling organization with for described water pump increase and decrease pump when
The diaphragm pot providing buffer capacity connects.
Further improve as of the present utility model, described water pump controlling organization includes four described water pump controls in parallel
Assembly processed.
Further improve as of the present utility model, described operation bench is provided with the touch screen for operational control.
In this utility model, pressure transducer detects the ductwork pressure in water supply water pipe, by the detection number of ductwork pressure
According to sending PLC editable controller to, PLC editable controller is by converter thus being adjusted to water pump controlling, to reach
Effect to constant pressure water supply;This utility model, according to the variation in water pressure of the pipe network in detection water supply water pipe, calculates load, and root
According to the requirements to hydraulic pressure of situation of change and rear class user of pressure, water pump is selected, confirms the operation number of units of water pump,
Meanwhile, variable frequency adjustment being carried out to a water pump therein, thus reaching the hydraulic pressure of user's setting, reaching constant pressure water supply;This
Utility model strong operability, practicality is good, realizes constant pressure water supply.
Brief description
For ease of explanation, this utility model is described in detail by following preferred embodiments and accompanying drawing.
Fig. 1 is attachment structure schematic diagram of the present utility model;
Reference:1- water tower, 2- water supply water pipe, 3- converter, 4- pressure transducer, 5-PLC editable controller, 6-
Water pump, 7- effusion meter, 8- timer, 9- diaphragm pot.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
As shown in figure 1, a kind of varying speed and constant pressure feed water device of the present utility model, respectively with water tower 1, water supply water pipe 2
Connect.
A kind of varying speed and constant pressure feed water device of the present utility model includes converter 3, pressure transducer 4, operation bench, water
Pump controlling organization and PLC editable controller 5, converter 3 respectively with water tower 1, water pump controlling organization, PLC editable controller 5
Connect, pressure transducer 4 is connected with water supply water pipe 2, water pump controlling organization, PLC editable controller 5 respectively, PLC editable control
Device 5 processed is connected with operation bench, and water pump controlling organization includes the water pump control assembly of some parallel connections, and water pump control assembly includes water pump
6.
In this utility model, pressure transducer detects the ductwork pressure in water supply water pipe 2, by the detection number of ductwork pressure
According to sending PLC editable controller 5 to, PLC editable controller 5 passes through converter 3 thus being adjusted to water pump 6 controlling,
To reach the effect of constant pressure water supply.
Further, water pump control assembly also includes effusion meter 7 and timer 8, and water pump 6 is connected with effusion meter 7, effusion meter 7
It is connected with timer 8, effusion meter 6, timer 7 are all connected with PLC editable controller 5, can be by which better each effusion meter
6th, timer 7 detects flow and the movement time of each water pump control assembly.
When the ductwork pressure of the water supply water pipe 2 detecting is less than the pressure setting, PLC editable controller 5 is by basis
Computing increases the running frequency of water pump 6 automatically, and when running frequency rises to certain frequency, and pressure is still not up to setting value,
The water pump now running 6 is then switched to power frequency by frequency conversion by PLC editable controller 5, after converting, more another of variable frequency starting
Pump 6, and this water pump 6 is adjusted control, to reach the effect of constant pressure water supply.
When the ductwork pressure of the water supply water pipe 2 detecting is higher than setting value, the running frequency of water pump 6 is made to be reduced to minimum fortune
During line frequency, and pressure is still above setting value, then PLC editable controller 5 will be according to the run time of each water pump 6, certainly
That the longest water pump 6 of a dynamic stopping run time therein.
This utility model has buffer capacity for water pump 6 during increase and decrease pump, water pump controlling organization with for
Water pump 6 provides the diaphragm pot 9 of buffer capacity to connect when increasing and decreasing pump.
Increasing pump with subtracting the process of pump, the pressure of the pipe network of water supply water pipe understands some fluctuations, due to this process lasting when
Between relatively brief, typically not over 15 seconds, for eliminate in this of short duration fluctuation, in our devices middle increase diaphragm pot 9, with this
To buffer, to remain to meet constant pressure water supply with the process reaching in increase and decrease pump.
This utility model provides a kind of preferred embodiment, and water pump controlling organization includes four water pump control assemblies in parallel,
Can preferably management and control operation.
Operation bench is provided with the touch screen for operational control, convenient control.
Effectiveness comparison of the present utility model is good, be mainly reflected in following some:
First, energy-conservation:Because this utility model uses VFC, and the operation number of units of water pump 6 is optimized
Control, according to water consumption number, energy-saving run to greatest extent.
2nd, economize on water:Ductwork pressure is set according to actual used water situation, water can be decreased with automatically controlled water pump 6 water yield
Race, leakage phenomenon;
3rd, reliable:Realized the soft start of water pump 6 by converter 3, so that water pump 6 is realized by the no punching of power frequency to frequency conversion
Hit switching, prevent pipe network impact, avoid ductwork pressure to transfinite, pipeline breaking.
4th, network savvy:Operation bench can be passed through, thus using Chinese configuration software entirely, each station of monitor in real time
Point, the such as voltage of motor, electric current, operating frequency, ductwork pressure and flow etc., and the power consumption of each website can be accumulated,
The water yield of every water pump 6 of accumulation, provides various forms of printing reports, so that analytic statisticss simultaneously.
5th, self-protection function is perfect:As certain water pump 6 breaks down, actively to operation bench alert, simultaneously
Start stand-by pump, to maintain water supply balance.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in this utility model
Protection domain within.
Claims (5)
1. a kind of varying speed and constant pressure feed water device, be connected with water tower, water supply water pipe respectively it is characterised in that include converter,
Pressure transducer, operation bench, water pump controlling organization and PLC editable controller, described converter respectively with described water tower, water pump
Controlling organization, PLC editable controller connect, described pressure transducer respectively with described water supply water pipe, water pump controlling organization,
PLC editable controller connects, and described PLC editable controller is connected with operation bench, and described water pump controlling organization includes some
Water pump control assembly in parallel, described water pump control assembly includes water pump.
2. a kind of varying speed and constant pressure feed water device according to claim 1 is it is characterised in that described water pump control assembly
Also include effusion meter and timer, described water pump is connected with described effusion meter, and described effusion meter is connected with described timer, described
Effusion meter, timer are all connected with described PLC editable controller.
3. a kind of varying speed and constant pressure feed water device according to claim 2 is it is characterised in that described water pump controlling organization
It is connected with the diaphragm pot for the offer buffer capacity when described water pump is in increase and decrease pump.
4. a kind of varying speed and constant pressure feed water device according to claim 3 is it is characterised in that described water pump controlling organization
Including four described water pump control assemblies in parallel.
5. a kind of varying speed and constant pressure feed water device according to claim 4 is it is characterised in that described operation bench is provided with
Touch screen for operational control.
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CN201620938430.2U CN205935058U (en) | 2016-08-25 | 2016-08-25 | Variable frequency speed regulation constant pressure water supply device |
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CN201620938430.2U CN205935058U (en) | 2016-08-25 | 2016-08-25 | Variable frequency speed regulation constant pressure water supply device |
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CN205935058U true CN205935058U (en) | 2017-02-08 |
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CN201620938430.2U Active CN205935058U (en) | 2016-08-25 | 2016-08-25 | Variable frequency speed regulation constant pressure water supply device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107288864A (en) * | 2017-07-04 | 2017-10-24 | 江门市天澜清洗设备有限公司 | Time takes turns many method for controlling pump of flow control |
CN109322346A (en) * | 2018-10-31 | 2019-02-12 | 山东大学 | A kind of asynchronous water system of multi-pipeline and its working method |
-
2016
- 2016-08-25 CN CN201620938430.2U patent/CN205935058U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107288864A (en) * | 2017-07-04 | 2017-10-24 | 江门市天澜清洗设备有限公司 | Time takes turns many method for controlling pump of flow control |
CN109322346A (en) * | 2018-10-31 | 2019-02-12 | 山东大学 | A kind of asynchronous water system of multi-pipeline and its working method |
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