CN108442456A - A kind of complete constant pressure frequency conversion water system - Google Patents
A kind of complete constant pressure frequency conversion water system Download PDFInfo
- Publication number
- CN108442456A CN108442456A CN201810441615.6A CN201810441615A CN108442456A CN 108442456 A CN108442456 A CN 108442456A CN 201810441615 A CN201810441615 A CN 201810441615A CN 108442456 A CN108442456 A CN 108442456A
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- Prior art keywords
- way connection
- communicated
- pipeline
- pressure
- frequency
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 22
- 239000008400 supply water Substances 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 238000010992 reflux Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 206010020852 Hypertonia Diseases 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/02—Public or like main pipe systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
- E03B11/02—Arrangements or adaptations of tanks for water supply for domestic or like local water supply
- E03B11/06—Arrangements or adaptations of tanks for water supply for domestic or like local water supply with air regulators
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Structural Engineering (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a kind of complete constant pressure frequency conversion water systems, including variable frequency pump, the output end fixation of the variable frequency pump is communicated with first pipe, the one end of first pipe far from variable frequency pump, which is fixed, is communicated with the first three-way connection, the right end fixation of first three-way connection is communicated with output channel, the outer surface of output channel is arranged with the second three-way connection, the upper end of second three-way connection is fixed and is communicated with pressure gauge, it is placed with above variable frequency pump and determines frequency water pump, the output end fixation for determining frequency water pump is communicated with second pipe.The complete constant pressure frequency conversion water system, by the way that frequency converter is arranged, the frequency of supply of variable frequency pump can be easily adjusted according to the numerical value shown on pressure gauge to adjust the system hydraulic pressure, the system pressure is set to stablize, by the way that pressure reducing valve is arranged, under the action of shut-off valve, the pressure of supply water of the system can be effectively adjusted when frequency converter damages, the pressure of supply water of the water system is made to remain stable.
Description
Technical field
The present invention relates to water system technical field, specially a kind of complete constant pressure frequency conversion water system.
Background technology
Water system refers to, supplied by certain mass requirement storage reservoir needed for different water-using sectors, water pump, pipeline and
The synthesis of other engineerings, for the function of water supplying system, entire water supplying system should meet user to water quality, water and hydraulic pressure
Demand in addition to this in entire capital construction process and produce and there is also a need for good investment in operating, running expense is low, and operation is convenient etc..
In the regional water-supply systems such as cell, hotel, restaurant, since hydraulic pressure usually occur unstable for system configuration problem
Phenomenon, this just seriously affects people’s lives quality, the method that people generally use water tank to solve this problem, but water storage
Easy in tank is caused water quality not up to standard by outside contamination, to solve the problems, such as that water system pressure is constant, it is proposed that it is a kind of at
Cover constant pressure frequency conversion water system.
Invention content
（One）The technical issues of solution
In view of the deficiencies of the prior art, it the present invention provides a kind of complete constant pressure frequency conversion water system, solves existing for water system
Often occurs the unstable problem of pressure of supply water in system.
（Two）Technical solution
To achieve the above object, the present invention provides the following technical solutions：A kind of complete constant pressure frequency conversion water system, including frequency conversion water
The output end fixation of pump, the variable frequency pump is communicated with first pipe, and the one end of the first pipe far from variable frequency pump is fixed
It is communicated with the first three-way connection, the right end of first three-way connection, which is fixed, is communicated with output channel, outside the output channel
Surface is arranged with the second three-way connection, and the upper end of second three-way connection, which is fixed, is communicated with pressure gauge, the variable frequency pump
Top, which is placed with, determines frequency water pump, and the output end fixation for determining frequency water pump is communicated with second pipe, and the second pipe is far from fixed
One end of frequency water pump, which is fixed, is communicated with third three-way connection, and the upper end of the third three-way connection, which is fixed, is communicated with third pipeline,
The one end of the third pipeline far from third three-way connection, which is fixed, is communicated with the 4th three-way connection, the outer surface of the third pipeline
It is arranged with pressure reducing valve, and pressure reducing valve is between third three-way connection and the 4th three-way connection, the lower end of the third threeway head
Fixation is communicated with the 4th pipeline, and the 4th pipeline one end and the lower end of the 4th three-way connection far from third three-way connection are fixed
Connection, the outer surface of the 4th pipeline is arranged with shut-off valve, and shut-off valve is located at third three-way connection and the 4th three-way connection
Between, the right end fixation of the 4th three-way connection is communicated with the 5th pipeline, and the 5th pipeline is far from the 4th three-way connection
One end is fixed with the upper end of the first three-way connection and is connected to, and frequency converter, and frequency converter and change are placed on the left of the variable frequency pump
Frequency water pump is electrically connected.
Preferably, the outer surface of the third pipeline is arranged with the first check valve, and the first check valve is located at the 4th threeway
Between connector and the first three-way connection.
Preferably, the outer surface of the first pipe is arranged with the second check valve, and the second check valve is located at variable frequency pump
Between the first three-way connection.
Preferably, the outer surface of the output channel is arranged with the 5th three-way connection, and the 5th three-way connection is located at first
Between three-way connection and the second three-way connection, the top of the 5th three-way connection, which is fixed, is communicated with diaphragm air pressure tank.
Preferably, the diameter value of the 4th pipeline is equal with the diameter value of third pipeline, the 4th three-way connection with
Third three-way connection it is equal in magnitude.
Preferably, the diameter value of the 5th pipeline is equal with the diameter value of first pipe, second three-way connection
Size is equal in magnitude with the first three-way connection.
（Three）Advantageous effect
The present invention provides a kind of complete constant pressure frequency conversion water systems, have following advantageous effect：
（1）The complete constant pressure frequency conversion water system can easily be adjusted by the way that frequency converter is arranged according to the numerical value shown on pressure gauge
The frequency of supply of variable frequency pump is saved to adjust the system hydraulic pressure, the system pressure is made to stablize, by the way that pressure reducing valve is arranged, is being ended
Under the action of valve, the pressure of supply water of the system can be effectively adjusted when frequency converter damages, system pressure is made to protect always
It is fixed to keep steady.
（2）The complete constant pressure frequency conversion water system can effectively prevent output end hydraulic pressure mistake by the way that the first check valve is arranged
Height causes aqueous reflux, is effectively protected the system, by the way that the second check valve is arranged, effectively prevents output end hydraulic pressure is excessively high to cause
Aqueous reflux is effectively protected the system, and by the way that diaphragm air pressure tank is arranged, the system water can be absorbed when the system pressure is excessively high
Pressure, and pressure is effectively supplemented when the system pressure is too low, keep the system pressure constant, not only protects the system from pressure
It is excessively high to damage and effectively be supplemented when system pressure is too low pressure, pass through the diameter value and third pipeline that the 4th pipeline is set
Diameter value it is equal, can make two pipelines have interchangeability, reduce the system assembly and repair replacing construction, pass through setting the 4th
Three-way connection and third three-way connection are equal in magnitude, can make two three-way connections have interchangeability, make the system convenient for assembly and
Maintenance, it is equal with the diameter value of first pipe by the diameter value that the 5th pipeline is arranged, it is avoided that two pipe diameters are different
Cause the system that can not connect, by the way that the equal in magnitude of the second three-way connection and the first three-way connection is arranged, makes two three to connect
Head has interchangeability, is convenient for the system installation and replacement.
Description of the drawings
Fig. 1 is variable frequency pump vertical view of the present invention.
In figure：1 variable frequency pump, 2 first three-way connections, 3 frequency converters, 4 second check valves, 5 first pipes, 6 second threeways
Connector, 7 pressure gauges, 8 the 5th three-way connections, 9 diaphragm air pressure tanks, 10 output channels, 11 first check valves, 12 the 5th pipelines, 13
4th pipeline, 14 the 4th three-way connections, 15 shut-off valves, 16 third pipelines, 17 pressure reducing valves, 18 third three-way connections, 19 second pipes
Frequency water pump is determined in road, 20.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of complete constant pressure frequency conversion water system, including frequency conversion water
The output end fixation of pump 1, variable frequency pump 1 is communicated with first pipe 5, and connection is fixed in the one end of first pipe 5 far from variable frequency pump 1
There is the first three-way connection 2, the outer surface of first pipe 5 is arranged with the second check valve 4, and the second check valve 4 is located at variable frequency pump 1
It between the first three-way connection 2, effectively prevents output end hydraulic pressure is excessively high to cause aqueous reflux, is effectively protected the system, first
The right end fixation of three-way connection 2 is communicated with output channel 10, and the outer surface of output channel 10 is arranged with the second three-way connection 6, the
The size of two three-way connections 6 is equal in magnitude with the first three-way connection 2, so that two three-way connections is had interchangeability, is convenient for this
The outer surface of system installation and replacement, output channel 10 is arranged with the 5th three-way connection 8, and the 5th three-way connection 8 is located at the one or three
Between pass joint 2 and the second three-way connection 6, the top of the 5th three-way connection 8, which is fixed, is communicated with diaphragm air pressure tank 9, in the system
The system hydraulic pressure can be absorbed when hypertonia, and effectively supplements pressure when the system pressure is too low, keep the system pressure permanent
It is fixed, it not only protects the system to be damaged from hypertonia and can effectively supplement pressure, the second threeway when system pressure is too low
The upper end of connector 6 is fixed and is communicated with pressure gauge 7, and the top of variable frequency pump 1, which is placed with, determines frequency water pump 20, determines the output of frequency water pump 20
End is fixed to be communicated with second pipe 19, and second pipe 19 is fixed far from the one end for determining frequency water pump 20 and is communicated with third three-way connection
18, the upper end of third three-way connection 18, which is fixed, is communicated with third pipeline 16, third pipeline 16 far from third three-way connection 18 one
End fixation is communicated with the 4th three-way connection 14, and the 4th three-way connection 14 is equal in magnitude with third three-way connection 18, can make two
Three-way connection has interchangeability, makes the system convenient for assembly and maintenance, the outer surface of third pipeline 16 is arranged with the first check valve
11, and the first check valve 11 can effectively prevent output end hydraulic pressure between the 4th three-way connection 14 and the first three-way connection 2
It is excessively high to cause aqueous reflux, it is effectively protected the system, the outer surface of third pipeline 16 is arranged with pressure reducing valve 17, and pressure reducing valve 17
Between third three-way connection 18 and the 4th three-way connection 14, the lower end of third threeway head 18, which is fixed, is communicated with the 4th pipeline 13,
The diameter value of 4th pipeline 13 is equal with the diameter value of third pipeline 16, and two pipelines can be made to have interchangeability, reduce the system
Assembly and repair replacing construction, the one end of the 4th pipeline 13 far from third three-way connection 18 and the lower end of the 4th three-way connection 14 are solid
Fixed connection, the outer surface of the 4th pipeline 13 is arranged with shut-off valve 15, and shut-off valve 15 is located at third three-way connection 18 and the four or three
Between pass joint 14, the fixation of the right end of the 4th three-way connection 14 is communicated with the 5th pipeline 12, the diameter value of the 5th pipeline 12 and the
The diameter value of one pipeline 5 is equal, and being avoided that two pipe diameters are different causes the system that can not connect, and the 5th pipeline 12 is separate
One end of 4th three-way connection 14 is fixed with the upper end of the first three-way connection 2 and is connected to, and the left side of variable frequency pump 1 is placed with frequency converter
3, and frequency converter 3 is electrically connected with variable frequency pump 1.
Operation principle：By variable frequency pump 1, frequency converter 3 and determine frequency water pump 20 and be electrically connected with municipal power supply, closes cut-off
Frequency water pump 20 is determined in the startup of valve 15, and the water for determining the output of frequency water pump 20 flows through second pipe 19, shut-off valve 15, the 4th pipeline the 13, the 5th
Pipeline 12 and output channel 10 export, if showing hypotony on pressure gauge 7, start variable frequency pump 1 and frequency converter 3, pass through tune
Section frequency converter 3 adjusts the input frequency of variable frequency pump 1 so as to make the system pressure be stabilized to a certain numerical value, if working as frequency converter
3 go wrong and when system pressure is excessively high, open shut-off valve 15, determine the water that frequency water pump 20 exports and flow through second pipe 19, pressure reducing valve
17, third pipeline 16, the 5th pipeline 12 and output channel 10 export, according to the numerical value Manual adjustment pressure reducing shown on pressure gauge 7
Valve 17 makes the system pressure remain a certain numerical value.
It, can be according to being shown on pressure gauge 7 by the way that frequency converter 3 is arranged in conclusion the complete constant pressure frequency conversion water system
Numerical value easily adjusts the frequency of supply of variable frequency pump 1 to adjust the system hydraulic pressure, so that the system pressure is stablized, passes through setting
Pressure reducing valve 17, under the action of shut-off valve 15, can effectively be adjusted when frequency converter 3 damages the system for hydraulic pressure
Power makes system pressure remain stable, by the way that the first check valve 11 is arranged, can effectively prevent output end hydraulic pressure is excessively high to cause
Aqueous reflux is effectively protected the system, by the way that the second check valve 4 is arranged, effectively prevents output end hydraulic pressure is excessively high water is caused to fall
Stream, is effectively protected the system, and by setting diaphragm air pressure tank 9, the system hydraulic pressure can be absorbed when the system pressure is excessively high, and
Pressure is effectively supplemented when the system pressure is too low, keeps the system pressure constant, not only protects the system from hypertonia
Pressure is damaged and can effectively be supplemented when system pressure is too low, the diameter value and third pipeline 16 that the 4th pipeline 13 is set are passed through
Diameter value it is equal, can make two pipelines have interchangeability, reduce the system assembly and repair replacing construction, pass through setting the 4th
Three-way connection 14 and third three-way connection 18 are equal in magnitude, and two three-way connections can be made to have interchangeability, make the system convenient for dress
Match and overhauls, it is equal with the diameter value of first pipe 5 by the diameter value that the 5th pipeline 12 is arranged, it is avoided that two pipe diameters
It is different to cause the system that connect, by the way that the equal in magnitude of the second three-way connection 6 and the first three-way connection 2 is arranged, make two
A three-way connection has interchangeability, is convenient for the system installation and replacement, by the way that the device is arranged, water system hydraulic pressure can be made to keep
It is constant, it is user-friendly.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of complete constant pressure frequency conversion water system, including variable frequency pump（1）, it is characterised in that：The variable frequency pump（1）It is defeated
Outlet fixation is communicated with first pipe（5）, the first pipe（5）Far from variable frequency pump（1）One end fix be communicated with first
Three-way connection（2）, first three-way connection（2）Right end fixation be communicated with output channel（10）, the output channel（10）
Outer surface be arranged with the second three-way connection（6）, second three-way connection（6）Upper end fix be communicated with pressure gauge（7）, institute
State variable frequency pump（1）Top be placed with and determine frequency water pump（20）, described to determine frequency water pump（20）Output end fixation be communicated with second
Pipeline（19）, the second pipe（19）It is separate to determine frequency water pump（20）One end fix be communicated with third three-way connection（18）, institute
State third three-way connection（18）Upper end fix be communicated with third pipeline（16）, the third pipeline（16）It is connected far from the three or three
Head（18）One end fix be communicated with the 4th three-way connection（14）, the third pipeline（16）Outer surface be arranged with pressure reducing valve
（17）, and pressure reducing valve（17）Positioned at third three-way connection（18）With the 4th three-way connection（14）Between, the third threeway head
（18）Lower end fix be communicated with the 4th pipeline（13）, the 4th pipeline（13）Far from third three-way connection（18）One end with
4th three-way connection（14）Lower end fix connection, the 4th pipeline（13）Outer surface be arranged with shut-off valve（15）, and cut
Only valve（15）Positioned at third three-way connection（18）With the 4th three-way connection（14）Between, the 4th three-way connection（14）The right side
End fixation is communicated with the 5th pipeline（12）, the 5th pipeline（12）Far from the 4th three-way connection（14）One end and the first threeway
Connector（2）Upper end fix connection, the variable frequency pump（1）Left side be placed with frequency converter（3）, and frequency converter（3）With frequency conversion
Water pump（1）Electrical connection.
2. a kind of complete constant pressure frequency conversion water system according to claim 1, it is characterised in that：The third pipeline（16）
Outer surface be arranged with the first check valve（11）, and the first check valve（11）Positioned at the 4th three-way connection（14）It is connected with the one or three
Head（2）Between.
3. a kind of complete constant pressure frequency conversion water system according to claim 1, it is characterised in that：The first pipe（5）
Outer surface be arranged with the second check valve（4）, and the second check valve（4）Positioned at variable frequency pump（1）With the first three-way connection（2）It
Between.
4. a kind of complete constant pressure frequency conversion water system according to claim 1, it is characterised in that：The output channel（10）
Outer surface be arranged with the 5th three-way connection（8）, and the 5th three-way connection（8）Positioned at the first three-way connection（2）With the second threeway
Connector（6）Between, the 5th three-way connection（8）Top fix be communicated with diaphragm air pressure tank（9）.
5. a kind of complete constant pressure frequency conversion water system according to claim 1, it is characterised in that：4th pipeline（13）
Diameter value and third pipeline（16）Diameter value it is equal, the 4th three-way connection（14）With third three-way connection（18）It is big
It is small equal.
6. a kind of complete constant pressure frequency conversion water system according to claim 1, it is characterised in that：5th pipeline（12）
Diameter value and first pipe（5）Diameter value it is equal, second three-way connection（6）Size and the first three-way connection（2）
It is equal in magnitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810441615.6A CN108442456A (en) | 2018-05-10 | 2018-05-10 | A kind of complete constant pressure frequency conversion water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810441615.6A CN108442456A (en) | 2018-05-10 | 2018-05-10 | A kind of complete constant pressure frequency conversion water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108442456A true CN108442456A (en) | 2018-08-24 |
Family
ID=63202817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810441615.6A Withdrawn CN108442456A (en) | 2018-05-10 | 2018-05-10 | A kind of complete constant pressure frequency conversion water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108442456A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644574A (en) * | 2019-09-26 | 2020-01-03 | 朱伟中 | Energy-saving pipe network pressure-superposed water supply device for water works |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009002303A (en) * | 2007-06-25 | 2009-01-08 | Hitachi Industrial Equipment Systems Co Ltd | Water supply system |
| CN103174197A (en) * | 2013-03-31 | 2013-06-26 | 辽宁华冶集团发展有限公司 | Control method and control loop for frequency conversion soft start of constant voltage circulatory water supply |
| CN104153425A (en) * | 2014-08-21 | 2014-11-19 | 巢湖市金辉自控设备有限公司 | Constant-pressure water supply system |
-
2018
- 2018-05-10 CN CN201810441615.6A patent/CN108442456A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009002303A (en) * | 2007-06-25 | 2009-01-08 | Hitachi Industrial Equipment Systems Co Ltd | Water supply system |
| CN103174197A (en) * | 2013-03-31 | 2013-06-26 | 辽宁华冶集团发展有限公司 | Control method and control loop for frequency conversion soft start of constant voltage circulatory water supply |
| CN104153425A (en) * | 2014-08-21 | 2014-11-19 | 巢湖市金辉自控设备有限公司 | Constant-pressure water supply system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644574A (en) * | 2019-09-26 | 2020-01-03 | 朱伟中 | Energy-saving pipe network pressure-superposed water supply device for water works |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180824 |
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| WW01 | Invention patent application withdrawn after publication |