CN106592682A - Marine variable-frequency constant-pressure water supply system - Google Patents
Marine variable-frequency constant-pressure water supply system Download PDFInfo
- Publication number
- CN106592682A CN106592682A CN201610947591.2A CN201610947591A CN106592682A CN 106592682 A CN106592682 A CN 106592682A CN 201610947591 A CN201610947591 A CN 201610947591A CN 106592682 A CN106592682 A CN 106592682A
- Authority
- CN
- China
- Prior art keywords
- water supply
- variable frequency
- water
- pressure
- frequency pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 21
- 230000004888 barrier function Effects 0.000 claims description 3
- 239000008400 supply water Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
-
- 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
-
- 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
- E03B7/075—Arrangement of devices for control of pressure or flow rate
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention belongs to water supply systems and discloses a marine variable-frequency constant-pressure water supply system which comprises a water supply device, a variable-frequency control cabinet module, a water storing barrel and a user terminal. A water inlet of the water supply device is connected with a water outlet of the water storage barrel through a water pipe while a water outlet of the same is sequentially provided with a pressure transmitter, a pressure controller and a first pressure meter along a water supply direction and connected with a water inlet of the user terminal, and the pressure transmitter and the pressure controller are in signal connection with the variable-frequency control cabinet module which is electrically connected with the water supply device. The marine variable-frequency constant-pressure water supply system has the advantages of accuracy in pressure adjustment, constant pressure, low noise, high efficiency and high reliability and is of important significance in water supply of ship equipment.
Description
Technical field
The invention belongs to water system, more particularly to a kind of constant pressure water supply system peculiar to vessel.
Background technology
Water pressure tank is a kind of conventional supply equipment of ship, and it is that certain press water is kept from water pressure tank to each
Supplied water with water place.Water pressure tank is provided with high and low pressure force controller, automatically can realize opening, switch off the pump.Cabinet is intrinsic pressure to try hard to keep
Hold in the range of certain pressure.In actual use there are following three big shortcomings in the water pressure tank：1st, due to user's water requirement
Increase, the cylinder volume of water pressure tank is generally larger, heavier-weight, lance when arranging in the little cabin in medium and small-scale vessel or space
Shield is especially projected；2nd, it is typically for that starting of pump station immediate current is big, power consumption is high.Fraquent start water pump, reliability big to motor infringement
Difference；3rd, within the specific limits, pressure oscillation is big for water pressure tank pressure of supply water, with can not keep constant pressure during water, it is impossible to meet special
The different needs with water place.
Prior art uses many years, and technically without any improvement, many water pressure tank users are improved this proposition
Demand, therefore, it is necessary to study and find out the solution of problem, be correspondingly improved, meet the demand of user.
The content of the invention
For deficiency of the prior art, the present invention provides a kind of precise control that can realize ship pressure of supply water, energy
Automatic checkout system instantaneously uses water pressure, and adjusts pump motor rotating speed and step start accordingly, makes pressure of supply water and water consumption
Auto-matching, constitutes the constant pressure water supply system peculiar to vessel that closed loop is adjusted.
To reach above-mentioned purpose, the technical solution used in the present invention is：Constant pressure water supply system peculiar to vessel, including the dress that supplies water
Put, frequency-conversion control cabinet module, water butt and user terminal, the water inlet of the water supply installation connects going out for water butt by water pipe
The mouth of a river, the outlet of the water supply installation is disposed with pressure transmitter, pressure controller and first pressure according to water supply direction
Table, and be connected with the water inlet of user terminal；Described pressure transmitter and pressure controller and described frequency-conversion control cabinet mould
Block signal connects, and described frequency-conversion control cabinet module is electrically connected with described water supply installation.
Further, described water supply installation includes the first variable frequency pump, the second variable frequency pump and the 3rd being arranged in parallel
Variable frequency pump, corresponds to respectively on the outlet pipeline of described the first variable frequency pump, the second variable frequency pump and the 3rd variable frequency pump and sets
It is equipped with the first diaphragm air pressure tank, the second diaphragm air pressure tank and the 3rd diaphragm air pressure tank；Described the first variable frequency pump and first every
Between film air pressure tank, between the second variable frequency pump and the second diaphragm air pressure tank and the 3rd variable frequency pump and the 3rd diaphragm air pressure tank it
Between be provided with water pipe branch road, the outlet of the water pipe branch road of three parallel connections after water pipe series connection with the water supply installation
Connection.
Further, the first described variable frequency pump, the water inlet of the second variable frequency pump and the 3rd variable frequency pump and water outlet
Mouth is respectively arranged with stop valve and check-valves；Described the first variable frequency pump, the second variable frequency pump and the 3rd variable frequency pump it is upper,
Lower both sides with second pressure table is provided between corresponding check-valves and stop valve.
Further, the first described variable frequency pump, the second variable frequency pump and the 3rd variable frequency pump with described frequency conversion
Switch board module is electrically connected.
Further, described frequency-conversion control cabinet module includes PID regulator, converter, PLC, institute
The PID regulator stated is connected respectively with converter and PLC.
Preferably, flange and stop valve are provided between described water supply installation and water butt.
By the utilization of above-mentioned technical proposal, the present invention has the advantages that compared with prior art：
1st, constant pressure water supply system peculiar to vessel includes frequency-conversion control cabinet module and water supply module, and two integrated modular units are designed,
Its compact conformation, significantly reduces the volume and weight of unit, and is easily installed and keeps in repair；
2nd, using converter and variable frequency pump, frequency conversion light start is realized in the starting of every water pump, so as to reduce electric motor starting
The mechanical shock effect of dash current and water pump, greatly reduces equipment operation noise, and energy-saving effect is obvious；
3rd, using PID regulator and PLC, pipe network water pressure is detected by pressure transmitter, and by pressure signal
It is transferred to PID regulator, PID regulator is compared the pressure value of the signal and user's setting and computing is determining frequency
Size and work water pump number of units, so as to reach classification adjust constant pressure water supply purpose, solving pressure can not accurately adjust
Section, the problem that constant pressure can not be kept.
The characteristics of there is the present invention pressure to adjust accurate, holding constant pressure, low-noise high-efficiency, high reliability, for ship equipment
Middle water supply is significant.
Description of the drawings
With reference to the accompanying drawings and detailed description the present invention is further detailed explanation.
Fig. 1 is the structural representation of the present invention.
In figure：The variable frequency pumps of 11- first, the variable frequency pumps of 21- second, the variable frequency pumps of 31- the 3rd, 21- the first barrier film air pressure
Tank, the diaphragm air pressure tanks of 22- second, the diaphragm air pressure tanks of 32- the 3rd, 4- pressure transducers, 5- pressure controllers, 6- first pressures
Table, 7- PID regulators, 8- converters, 9- PLCs.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
In describing the invention, it is to be understood that term " on ", the orientation of the instruction such as D score or position relationship be base
In orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicates or imply
The device or element of indication must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The restriction of invention.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " set
Put ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art, can basis
Concrete condition understands above-mentioned term concrete meaning in the present invention.
Refer to Fig. 1, constant pressure water supply system peculiar to vessel, including water supply installation, frequency-conversion control cabinet module, water butt and use
Family terminal, the water inlet of the water supply installation passes through the outlet that water pipe connects water butt, the outlet of the water supply installation according to
Water supply direction is disposed with pressure transmitter 4, pressure controller 5 and first pressure table 6, and connects with the water inlet of user terminal
Connect；Described pressure transmitter 4 and pressure controller 5 is connected with described frequency-conversion control cabinet module by signal, described frequency conversion control
Cabinet module processed is electrically connected with described water supply installation.Frequency-conversion control cabinet module and water supply module, two integrated modular unit designs,
Its compact conformation, significantly reduces the volume and weight of unit, and is easily installed and keeps in repair.
In the present embodiment, described water supply installation includes the first variable frequency pump 11, the second variable frequency pump 21 being arranged in parallel
With the 3rd variable frequency pump 31, between described water supply installation and water butt flange and stop valve are provided with；The first described change
The first barrier film air pressure is correspondingly arranged on respectively on the outlet pipeline of frequency water pump 11, the second variable frequency pump 21 and the 3rd variable frequency pump 31
Tank 12, the second diaphragm air pressure tank 22 and the 3rd diaphragm air pressure tank 32；Described the first variable frequency pump 11 and the first diaphragm air pressure tank
Between 12, between the second variable frequency pump 21 and the second diaphragm air pressure tank 22 and the 3rd variable frequency pump 31 and the 3rd diaphragm air pressure tank 32
Between be provided with water pipe branch road, the water outlet of the water pipe branch road of three parallel connections after water pipe series connection with the water supply installation
Mouth connection, and be connected with the water inlet of user terminal.
In the present embodiment, the water inlet of described the first variable frequency pump 11, the second variable frequency pump 21 and the 3rd variable frequency pump 31
Mouth is respectively arranged with stop valve and check-valves with outlet；Described the first variable frequency pump 11, the second variable frequency pump 21 and the 3rd
The upper and lower both sides of variable frequency pump 31 with second pressure table is provided between corresponding check-valves and stop valve；Described first
Variable frequency pump 11, the second variable frequency pump 21 and the 3rd variable frequency pump 31 are electrically connected with described frequency-conversion control cabinet module, described
Frequency-conversion control cabinet module include PID regulator 7, converter 8, PLC 9, described PID regulator 7 distinguishes
It is connected with converter 8 and PLC 9.Using converter and variable frequency pump, frequency conversion is realized in the starting of every water pump
Light start, so as to the mechanical shock for reducing electric motor starting dash current and water pump is acted on, greatly reduces equipment operation noise,
Energy-saving effect is obvious；PID regulator and PLC, by pressure transmitter pipe network water pressure is detected, and by pressure
To PID regulator, PID regulator is compared the pressure value of the signal and user's setting and computing is determining for signal transmission
The size and work water pump number of units of frequency, so as to reach the purpose that classification adjusts constant pressure water supply, solving pressure can not essence
Really adjust, can not keep the problem of constant pressure.
The characteristics of there is the present invention pressure to adjust accurate, holding constant pressure, low-noise high-efficiency, high reliability, for ship equipment
Middle water supply is significant.
Operation principle：When user terminal opens faucet, pressure transmitter 4 transmits signals to frequency-conversion control cabinet mould
Block, to control the first variable frequency pump 11 with conversion system operation, and reaches rated power, and water supply network pressure not up to sets
During pressure, the second variable frequency pump 12 is run by frequency-conversion control cabinet module automatic in power frequency mode, if at this moment pipe network pressure
When power can not still reach setting pressure, frequency-conversion control cabinet module can control the automatic of the 3rd variable frequency pump 13, the first frequency conversion water
Pump 11 is still run with conversion system, to reach the purpose for keeping pipe network constant pressure to supply water.
Finally it should be noted that：Above example only not limits technology described in the invention to illustrate the present invention
Scheme；Therefore, although this specification with reference to each above-mentioned embodiment pair present invention has been detailed description, this
Field it is to be appreciated by one skilled in the art that still can modify to the present invention or equivalent；And all without departing from this
The technical scheme of the spirit and scope of invention and its improvement, it all should cover in scope of the presently claimed invention.
Claims (6)
1. a kind of constant pressure water supply system peculiar to vessel, it is characterised in that：Including water supply installation, frequency-conversion control cabinet module, water butt
And user terminal, the water inlet of the water supply installation passes through the outlet that water pipe connects water butt, the water outlet of the water supply installation
Mouth is disposed with pressure transmitter according to water supply direction（4）, pressure controller（5）With first pressure table（6）, and and user terminal
Water inlet connection；Described pressure transmitter（4）And pressure controller（5）Connect with described frequency-conversion control cabinet module by signal
Connect, described frequency-conversion control cabinet module is electrically connected with described water supply installation.
2. constant pressure water supply system peculiar to vessel according to claim 1, it is characterised in that：Described water supply installation is included simultaneously
The first variable frequency pump that connection is arranged（11）, the second variable frequency pump（21）With the 3rd variable frequency pump（31）, described the first frequency conversion water
Pump（11）, the second variable frequency pump（21）With the 3rd variable frequency pump（31）Outlet pipeline on be correspondingly arranged on the first barrier film gas respectively
Pressure tank（12）, the second diaphragm air pressure tank（22）With the 3rd diaphragm air pressure tank（32）；The first described variable frequency pump（11）With first
Diaphragm air pressure tank（12）Between, the second variable frequency pump（21）With the second diaphragm air pressure tank（22）Between and the 3rd variable frequency pump（31）
With the 3rd diaphragm air pressure tank（32）Between be provided with water pipe branch road, the water pipe branch road of three parallel connections is after water pipe series connection
It is connected with the outlet of the water supply installation.
3. constant pressure water supply system peculiar to vessel according to claim 2, it is characterised in that：The first described variable frequency pump
（11）, the second variable frequency pump（21）With the 3rd variable frequency pump（31）Water inlet and outlet be respectively arranged with stop valve and non-return
Valve；The first described variable frequency pump（11）, the second variable frequency pump（21）With the 3rd variable frequency pump（31）Upper and lower both sides with it is corresponding
Check-valves and stop valve between be provided with second pressure table.
4. constant pressure water supply system peculiar to vessel according to claim 2, it is characterised in that：The first described variable frequency pump
（11）, the second variable frequency pump（21）With the 3rd variable frequency pump（31）Electrically connect with described frequency-conversion control cabinet module.
5. constant pressure water supply system peculiar to vessel according to claim 1, it is characterised in that：Described frequency-conversion control cabinet module
Including PID regulator（7）, converter（8）, PLC（9）, described PID regulator（7）Respectively with converter
（8）And PLC（9）Connection.
6. constant pressure water supply system peculiar to vessel according to claim 1, it is characterised in that：In described water supply installation and storage
Flange and stop valve are provided between bucket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610947591.2A CN106592682A (en) | 2016-10-26 | 2016-10-26 | Marine variable-frequency constant-pressure water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610947591.2A CN106592682A (en) | 2016-10-26 | 2016-10-26 | Marine variable-frequency constant-pressure water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106592682A true CN106592682A (en) | 2017-04-26 |
Family
ID=58589801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610947591.2A Pending CN106592682A (en) | 2016-10-26 | 2016-10-26 | Marine variable-frequency constant-pressure water supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106592682A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110721426A (en) * | 2019-10-23 | 2020-01-24 | 中国舰船研究设计中心 | Marine constant-pressure fire extinguishing system |
| CN111779073A (en) * | 2020-07-03 | 2020-10-16 | 山西晋南钢铁集团有限公司 | Control system for stopping water supply of BPRT main motor |
| CN113460228A (en) * | 2021-07-21 | 2021-10-01 | 上海外高桥造船有限公司 | Marine energy-saving water supply system and mail steamer comprising same |
-
2016
- 2016-10-26 CN CN201610947591.2A patent/CN106592682A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110721426A (en) * | 2019-10-23 | 2020-01-24 | 中国舰船研究设计中心 | Marine constant-pressure fire extinguishing system |
| CN111779073A (en) * | 2020-07-03 | 2020-10-16 | 山西晋南钢铁集团有限公司 | Control system for stopping water supply of BPRT main motor |
| CN113460228A (en) * | 2021-07-21 | 2021-10-01 | 上海外高桥造船有限公司 | Marine energy-saving water supply system and mail steamer comprising same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106592682A (en) | Marine variable-frequency constant-pressure water supply system | |
| CN209731864U (en) | A kind of back-pressure balance formula enclosed liquid cold source equipment | |
| CN109795662B (en) | Water cooling system of ship, adjusting method of water cooling system and ship | |
| CN201502074U (en) | Digital pipe network laminated water supply equipment | |
| CN204140549U (en) | The quiet oil source apparatus of integration | |
| CN202595816U (en) | Intelligent negative-pressure-free frequency conversion constant-voltage water supply system | |
| CN206360014U (en) | Constant pressure water supply system peculiar to vessel | |
| CN113738504B (en) | Hydraulic drive auxiliary power generation system for vehicle | |
| CN106869248A (en) | A kind of pressure-stabilizing water supply system with Unidirectional solenoid valve | |
| CN201583556U (en) | Closed constant flow water supply circulating cooling system with adjustable flow | |
| CN111255553A (en) | Adjustable cooling water circulation system | |
| KR20180009649A (en) | Ship | |
| CN202811282U (en) | Heat recovery hot water conveying control system for circulating air compressor | |
| CN104848302A (en) | District heating system fully utilizing hot water to exchange heat | |
| CN205205908U (en) | Variable -frequency and constant -pressure water supply system | |
| CN102866716A (en) | Full-digital constant-temperature water-cooling control system for high-pressure high-capacity IEGT (Injection Enhanced Gate Transistor) converter | |
| CN212227479U (en) | Industrial cooling water balance optimization energy-saving control system | |
| CN210127519U (en) | Glass fiber reinforced plastic tank type non-negative pressure water supply device | |
| CN208202011U (en) | A kind of constant pressure economize on electricity water system for intermediate frequency furnace | |
| CN202815619U (en) | Fully-digital constant-temperature water cooling control system for high-pressure high-capacity IEGT converter | |
| KR102146906B1 (en) | Apparatus for controlling operation point of cooling sea water centrifugal pump | |
| CN207960906U (en) | A kind of no sensor chilled water pump | |
| CN205860374U (en) | A kind of Water cooled air conditioners pipeline hydraulic pressure balance system | |
| CN102691334B (en) | Method for determining switching time between constant-pressure water supply and air-pressure water supply of joined water supply system | |
| CN208734628U (en) | A kind of hydraulic system of multifunction hydraulic workbench peculiar to vessel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170426 |
|
| WD01 | Invention patent application deemed withdrawn after publication |