CN206360014U - Constant pressure water supply system peculiar to vessel - Google Patents
Constant pressure water supply system peculiar to vessel Download PDFInfo
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- CN206360014U CN206360014U CN201621170753.8U CN201621170753U CN206360014U CN 206360014 U CN206360014 U CN 206360014U CN 201621170753 U CN201621170753 U CN 201621170753U CN 206360014 U CN206360014 U CN 206360014U
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- water supply
- water
- variable frequency
- frequency pump
- pressure
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Abstract
The utility model belongs to water system, disclose a kind of constant pressure water supply system peculiar to vessel, including water supply installation, frequency-conversion control cabinet module, water butt and user terminal, the water inlet of the water supply installation connects the delivery port of water butt by water pipe, the delivery port of the water supply installation is disposed with pressure transmitter, pressure controller and first pressure table according to water supply direction, and is connected with the water inlet of user terminal;Described pressure transmitter and pressure controller is connected with described frequency-conversion control cabinet module by signal, and described frequency-conversion control cabinet module is electrically connected with described water supply installation.The characteristics of the utility model has accurate pressure regulation, holding constant pressure, low-noise high-efficiency, high reliability, it is significant for being supplied water in ship equipment.
Description
Technical field
The utility model 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, can automatically realize unlatching, switch off the pump.Cabinet internal pressure is tried 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 being arranged in the small cabin of medium and small-scale vessel or space
Shield is especially protruded;2nd, it is typically for that starting of pump station immediate current is big, power consumption is high.Fraquent start water pump, damages big, reliability to motor
Difference;3rd, within the specific limits, pressure oscillation is big for water pressure tank pressure of supply water, can not keep constant pressure with during water, it is impossible to meet special
The need for the different place with water.
Prior art uses many years, is technically improved without any, and 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 utility model offer is a kind of can to realize the accurate control of ship pressure of supply water
System, energy automatic checkout system instantaneously uses water pressure, and regulation pump motor rotating speed and step start accordingly, makes pressure of supply water and use
Water Auto-matching, constitutes the constant pressure water supply system peculiar to vessel of closed loop regulation.
To reach above-mentioned purpose, the technical solution adopted in the utility model is:Constant pressure water supply system peculiar to vessel, including supply
Water installations, frequency-conversion control cabinet module, water butt and user terminal, the water inlet of the water supply installation connects water butt by water pipe
Delivery port, the delivery port of the water supply installation is disposed with pressure transmitter, pressure controller and first according to water supply direction
Pressure gauge, and be connected with the water inlet of user terminal;Described pressure transmitter and pressure controller and described VFC
Cabinet module by signal is connected, 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
Correspond to and set respectively on variable frequency pump, the outlet pipeline of described the first variable frequency pump, the second variable frequency pump and the 3rd variable frequency pump
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, delivery port with the water supply installation after three water pipe branch roads in parallel are connected by water pipe
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 are with being provided with second pressure table 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, frequency converter, PLC, institute
The PID regulator stated is connected with frequency converter and PLC respectively.
It is preferred that, it is provided with flange and stop valve between described water supply installation and water butt.
By the utilization of above-mentioned technical proposal, the utility model 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 set
Meter, the volume and weight of its compact conformation, significantly reduction unit, and be easily installed and repair;
2nd, using frequency converter and variable frequency pump, frequency conversion light start is realized in the starting of every water pump, so as to reduce motor
The mechanical shock effect of inrush 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 is transferred to PID regulator, and the pressure value that the signal and user set is compared and computing by PID regulator, to determine
The size and work water pump number of units of frequency, so as to reach the purpose of classification regulation constant pressure water supply, solving pressure can not essence
The problem of really adjusting, constant pressure can not be kept.
The characteristics of the utility model has accurate pressure regulation, holding constant pressure, low-noise high-efficiency, high reliability, for ship
Supplied water in equipment significant.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is structural representation of the present utility model.
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 sensors, 5- pressure controllers, 6- first pressures
Table, 7- PID regulators, 8- frequency converters, 9- PLCs.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
In description of the present utility model, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under "
Described based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying, without referring to
Show or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as to limitation of the present utility model.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " setting ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection;Can be joined directly together, can also be indirectly connected to by intermediary.For the ordinary skill in the art,
Concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
Referring 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 connects the delivery port of water butt by water pipe, the delivery port 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,
The volume and weight of its compact conformation, significantly reduction unit, and be easily installed and 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, flange and stop valve are provided between described water supply installation and water butt;Described first becomes
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;The first described 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, water outlet with the water supply installation after three water pipe branch roads in parallel are connected by water pipe
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 delivery port;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 are with being provided with second pressure table 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, frequency converter 8, PLC 9, described PID regulator 7 distinguishes
It is connected with frequency converter 8 and PLC 9.Using frequency converter and variable frequency pump, frequency conversion is realized in the starting of every water pump
Light start, so as to reduce the mechanical shock effect of electric motor starting dash current and water pump, greatly reduces equipment operation noise,
Energy-saving effect is obvious;PID regulator and PLC, pipe network water pressure is detected by pressure transmitter, and by pressure
Signal is transferred to PID regulator, and the pressure value that the signal and user set is compared and computing by PID regulator, to determine
The size and work water pump number of units of frequency, so as to reach the purpose of classification regulation constant pressure water supply, solving pressure can not essence
The problem of really adjusting, constant pressure can not be kept.
The characteristics of the utility model has accurate pressure regulation, holding constant pressure, low-noise high-efficiency, high reliability, for ship
Supplied water in equipment significant.
Operation principle:When user terminal opens tap, pressure transmitter 4 transmits signals to frequency-conversion control cabinet mould
Block, to control the first variable frequency pump 11 to be run with conversion system, and reaches rated power, and water supply network pressure is not up to setting
During pressure, the second variable frequency pump 12 is run by frequency-conversion control cabinet module automatic start, and 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 start 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 the utility model and retouched to illustrate the utility model
The technical scheme stated;Therefore, although this specification the utility model is had been carried out with reference to each above-mentioned embodiment it is detailed
Illustrate, still, it will be understood by those within the art that, still the utility model can be modified or equally replaced
Change;And technical scheme that all do not depart from spirit and scope of the present utility model and its improvement, it all should cover new in this practicality
In the right of type.
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 delivery port 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
Join the first variable frequency pump set(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
Press 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, after three water pipe branch roads in parallel are connected by water pipe
It is connected with the delivery port 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 delivery port 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 connected 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), frequency converter(8), PLC(9), described PID regulator(7)Respectively with frequency 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 |
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CN201621170753.8U CN206360014U (en) | 2016-10-26 | 2016-10-26 | Constant pressure water supply system peculiar to vessel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621170753.8U CN206360014U (en) | 2016-10-26 | 2016-10-26 | Constant pressure water supply system peculiar to vessel |
Publications (1)
Publication Number | Publication Date |
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CN206360014U true CN206360014U (en) | 2017-07-28 |
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ID=59369458
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CN201621170753.8U Active CN206360014U (en) | 2016-10-26 | 2016-10-26 | Constant pressure water supply system peculiar to vessel |
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Cited By (1)
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 |
-
2016
- 2016-10-26 CN CN201621170753.8U patent/CN206360014U/en active Active
Cited By (1)
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 |
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