CN208563458U - A kind of frequency conversion water supply facility of central water supply system - Google Patents
A kind of frequency conversion water supply facility of central water supply system Download PDFInfo
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- CN208563458U CN208563458U CN201821118909.7U CN201821118909U CN208563458U CN 208563458 U CN208563458 U CN 208563458U CN 201821118909 U CN201821118909 U CN 201821118909U CN 208563458 U CN208563458 U CN 208563458U
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- frequency conversion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The utility model discloses a kind of frequency conversion water supply facilities of central water supply system, suitable for central water supply system, the system stability to supply water for ensuring each Water District domain, the frequency conversion water supply facility of the central water supply system includes control unit, relay I, liquid level sensor, pressure sensor, relay II, water pump machine is connected by relay I and cable with control unit, and water supply pump machine in pond is connected by relay II and cable with control unit；Described control unit includes: transformer, water level signal converter, frequency converter, PLC controller；Liquid level sensor is installed in pond, is connected by cable and transformer, water level signal converter, frequency converter and the PLC controller in control unit；Pressure sensor is connected with municipal network water supply system and PLC controller respectively by cable.The supply that the utility model improves Water District domain continues water supply capacity, it is ensured that water system is stable, and controllability is higher, and practicability is stronger.
Description
Technical field
The utility model relates to produce and live to supply water field, and in particular to a kind of variable frequency water supply of central water supply system
Device.
Background technique
Central water supply system is the important and basic link of production and life, is to ensure that the pass that production and life operate normally
Key.Such as in recent years, as the continuous promotion of quality of residents'life, living area occupancy rate are continuously increased, water requirement is at multiplication
Long, especially during water use peak phase on and off duty and festivals or holidays, general hydrotechny system is sometimes difficult to meet existing
Daily water consumption amount；In addition, ageing equipment is existing if water facilities is chronically at high load capacity or water use peak ebb alternate run
As that will be on the rise, failure will take place frequently, and the phenomenon that causes to cut off the water emerges one after another.
Under normal circumstances, pond water-holding capacity be the key that supply water it is stable, due to each living area pool volume size not
One, therefore, only reliable and stable water system is only the key condition for guaranteeing its water-holding capacity.Traditional pond liquid level start and stop
Based on mode is mostly detected with buoy, principle are as follows: using its in pond can buoy, according to the change of water level height difference, inside buoy
Metal probe can incude SEA LEVEL VARIATION, then, controlled and intake according to the variation of buoy signal, final to realize that full-water level is cut off the water, and lack
The control mode of water level moisturizing.But foot point is not this traditional control mode: water level fluctuation when due to being intake by pond
Influence, the control signal that induces of buoy interior metal probe becomes unstable, the command signal for receiving control system
It is unstable, therefore, cause water supply pump machine start and stop excessively frequent, is chronically at the overload state of this alternately start and stop, leads to water
Pump machine damage or spilling water etc..
Furthermore if due to replacement when buoy damage has little time, system acceptance error signal makes script pond be in full water
Position need to stop moisturizing, but since the full water bit line of buoy is damaged, make pump machine that can not stop moisturizing, cause to cause when the full water of pond
Spilling water；Contrary circumstance, it will cause pond water shortages, and What is more, will lead to pump machine idle running, and the pump housing sucks large quantity of air,
Keep pump machine coil temperature excessively high, be easy to burn, internal impeller and bearing also will receive damage, etc..
In addition, inspection and monitoring that traditional pond liquid level changes, need scene to check on the spot, and it is both time-consuming and laborious, it increases
Cost of labor.
For above-mentioned status, multiple technologies solution also proposed in the prior art, for example add wireless module auxiliary
Enhance the schemes such as signal, these schemes, process is cumbersome, device line is easy to damage, signal transmission is by ring because wireless module is added
Factor influence in border is excessive, not applicable.
In conclusion improve working efficiency to realize that the water supply of central water supply system is stablized, avoid the occurrence of water supply failure,
Research variable frequency water supply method has important technology meaning and application value.
Summary of the invention
In order to solve the problems, such as background technique, the frequency conversion that the utility model provides a kind of central water supply system is supplied
Water installations are suitable for central water supply system, are specifically to ensure that the system stability of each Water District domain supply, avoid water resource unrestrained
Take, reduce cost, while realizing intelligent management, in favor of Daily Round Check and maintenance, improves working efficiency.
The utility model based on pressure sensor, protecting by the intake pressure of field survey municipal network water supply system
Under the premise of barrier water inlet enough, water level in water pool is measured using liquid level sensor, according to the difference of each Water District domain situation,
By setting parameter regulation pond reservoir storage on the panel of the multifunctional digital control system of control unit, and supervised by water level
Control system monitors SEA LEVEL VARIATION in real time, using control unit monitoring system to the failure of appearance carry out analysis and it is extensive
It is multiple, while realizing and guaranteeing daily water supply, and comprehensive management is made to the water system.
To achieve the above object, the utility model adopts the following technical scheme that realization:
The frequency conversion water supply facility of the central water supply system includes pond, and pond is equipped with pond water supplying pipe, and pond is supplied water
Pipe is connect with pond water supply pump machine water outlet, and pond water supply pump machine water inlet end is connect with municipal network water supply system, basin bottom
User feed water inlet is set, water pump machine is set on user feed water inlet, it is highly H4 that gap, which is arranged on basin side wall, the collection
The frequency conversion water supply facility of middle water system further includes control unit, relay I, liquid level sensor, pressure sensor, relay
II, water pump machine is connected by relay I and cable with control unit, and water supply pump machine in pond passes through relay II and cable and control
Unit is connected；
Described control unit includes: transformer, water level signal converter, frequency converter, PLC controller；Liquid level sensor peace
Loaded in pond, it is H1 away from basin bottom distance, passes through the transformer in cable and control unit, water level signal converter, change
Frequency device is connected with PLC controller；Pressure sensor is connected with municipal network water supply system and PLC controller respectively by cable.
Preferably, liquid level sensor is installed on pool inner wall, apart from basin bottom H1 value, H1 value range 100
300mm, setting pond low water level lower limit as H2 and the high water level upper limit is H3, and wherein H3 > H2 > H1, high water level upper limit H3 value are less than
Spilling water open height H4 value about 100mm, low water level lower limit H2 value are greater than about 100 200mm of liquid level sensor position H1 value.
, can be in PLC controller operation preferably, the level measuring data variation of liquid level sensor, and it can be multi-functional
It is shown on digital display and the digital display control panel of control system.
Preferably, the PLC controller access multifunctional digital and control system, the access monitoring of cell phone application client
System IP client, monitoring system IP client access multifunctional digital and control system again.
Preferably, Water-Level Supervising System IP client can be connected to multiple multifunctional digitals and control system.
The utility model has the beneficial effects that
The utility model can be realized variable frequency water supply, and stable water pressure can make the water system of each section more stable, ensure
Living area feed cistern water-holding capacity.
The utility model simple to install, equipment maintenance program is simple, and pressure sensor monitoring ability accuracy is higher,
It can be selected according to the difference of each living area intake pressure, flexibility is higher, thereby it is ensured that the efficient stable of water filling.
The liquid level sensor monitoring water level ability accuracy of the utility model is higher, can be accurate to millimeter, can be according to pond
Water-holding capacity or height of water level select different types of inductor；Multifunctional digital and control system can show influent pressure simultaneously
Force value and waterlevel data carry out water level guarantor by the parameter setting of Water-Level Supervising System IP client while guaranteeing water inlet
Shield and monitoring realize more pond monitoring, and monitor in real time by computer to pond liquid level that tour personnel can pass through interface
Accurate measurements directly are carried out to water level.
The utility model can be realized the remote monitoring system of water level.It can be adjusted in time according to pond actual water level,
Water shortage caused by avoiding water level in water pool too low；Cell phone application client is implanted into software, is able to achieve long-range and mobile monitor, by
Special messenger carries out real-time control by independent channel, has ensured the controllability and flexibility of system, significant effect.
To sum up, the utility model has the characteristics that structure is simple, using flexible, has obvious effect to water system ability is provided
Fruit has obvious actual effect to tour employee's workload is mitigated, improves the safety of water facilities equipment, avoid traditional buoy control
The problems such as water resource waste caused by water level processed and maintenance form are cumbersome, maintenance cost is excessively high and spoilage is higher.
Detailed description of the invention
Fig. 1 is the variable frequency water supply schematic illustration of the utility model；
Fig. 2 is the liquid level sensor installation and the schematic diagram of water level control range of the utility model；
Fig. 3 is the control unit structure and its control principle drawing of the utility model；
In figure: control unit 1, relay 2, liquid level sensor 3, pond 4, user feed water inlet 5, water pump machine 6, gap 7,
Pond water supplying pipe 8, pond water supply pump machine 9, municipal network water supply system 10, pressure sensor 11, relay 13, transformer 16,
Water level signal converter 17, frequency converter 18, PLC controller 19, multifunctional digital and control system 20, Water-Level Supervising System IP visitor
Family end 21, cell phone application client 22.
Specific embodiment
In order to keep the purpose of this utility model, technical scheme and beneficial effects clearer, below in conjunction with attached drawing, to this
The preferred embodiment of utility model is described in detail, to facilitate the technical staff to understand.
As shown in Figure 1-3, the frequency conversion water supply facility of the central water supply system includes pond 4, pond 4 is supplied equipped with pond
Water pipe 8, pond water supplying pipe 8 are connect with 9 water outlet of pond water supply pump machine, 9 water inlet end of pond water supply pump machine and municipal network water supply
System 10 connects, and user feed water inlet 5 is arranged in 4 bottom of pond, and water pump machine 6 is arranged on user feed water inlet 5, and gap 7 is arranged in water
It is highly H4 on 4 side wall of pond, the frequency conversion water supply facility of the central water supply system further includes control unit 1, relay I 2, liquid
Level sensor 3, pressure sensor 11, relay II 13, water pump machine 6 are connected by relay I 2 and cable with control unit 1, water
Pond water supply pump machine 9 is connected by relay II 13 and cable with control unit 1；Described control unit 1 includes: transformer 16, water
Position signal adapter 17, frequency converter 18, PLC controller 19；Liquid level sensor 3 is installed in pond 4, away from 4 distance from bottom of pond
For H1, pass through cable and transformer 16, water level signal converter 17, frequency converter 18 and 19 phase of PLC controller in control unit 1
Connection；Pressure sensor 11 is connected with municipal network water supply system 10 and PLC controller 19 respectively by cable, pressure sensor 11
Maximum allowable stress need to be on intake pressure.
As Figure 2-3, liquid level sensor 3 is installed on 4 inner wall of pond, apart from basin bottom H1 value, H1 value range
100 300mm, set 4 low water level lower limit of pond as H2 and the high water level upper limit be H3, wherein H3 > H2 > H1, high water level upper limit H3
Value is less than 7 position H4 value about 100mm of gap, and low water level lower limit H2 value is greater than 3 position H1 value about 100 of liquid level sensor
200mm.The level measuring data variation of liquid level sensor 3, can be in 19 operation of PLC controller, and can be in multifunctional digital and control
It is shown on the digital display control panel of system 20 processed.
As shown in Fig. 2, PLC controller 19 controls pond by relay 13 and supplies when the water level in pond 4 is lower than lower limit H2
Water pump machine 9, by being filled the water from pond water supplying pipe 8 into pond 4；When the water level in pond 4 is higher than lower limit H3, PLC controller 19
Pond water supply pump machine 9 is controlled by relay 13, stops filling the water into pond 4.
As shown in Figure 1-3,3 signal of liquid level sensor changes therewith, water level signal converter with the variation of 4 water level of pond
Water level signal is delivered to PLC controller 19 by 17, and PLC controller 19 is supplied by 18 frequency control water pump machine 6 of frequency converter to user
The mouth of a river 5 provides stable hydraulic pressure, realizes variable frequency water supply；The pressure sensor 11 by cable respectively with municipal network water supply system
System 10 and PLC controller 19 are connected, and the hydraulic pressure of municipal network water supply system 10 is measured by pressure sensor 11, PLC controller 19
According to hydraulic pressure mensuration value, is filled the water by 18 frequency control pond water supply pump machine 9 of frequency converter to pond 4, realize frequency conversion water filling.
Such as Fig. 3, the PLC controller 19 accesses multifunctional digital and control system 20, the access prison of cell phone application client 22
Control system IP client 21, monitoring system IP client 21 access multifunctional digital and control system 20 again.Wherein, monitoring water level
System IP client 21 can be connected to multiple multifunctional digitals and control system 20, it can be achieved that multiple ponds 4 monitoring water level, in hand
Machine APP client 22 is implanted into software, it can be achieved that sharing and control to Water-Level Supervising System IP client 21, realizes the remote of water level
Range monitoring system.
Particularly, by the way that pressure sensor is arranged on user feed water inlet 5, the pressure value of user feed water inlet 5 is really quasi-
It is really shown on multifunctional digital and the multi-functional control digital display meter of control system 20, which must not exceed each user and supply water
2 7Mpa of pipeline tolerance range；Liquid level sensor 3, which measures water level, to be consistent with pond actual water level data, must not exceed cell
Each reservoir full water bit line.Liquid level sensor 3 measures existing deviation between waterlevel data and pond actual water level corresponding data,
It can be determined by experiment, and the Introduced Malaria value in PLC programming.
The utility model is suitable for central water supply system, is specifically to ensure that the system stability of each Water District domain supply, keeps away
Exempt from water resource waste, reduce cost, while realizing intelligent management, in favor of Daily Round Check and maintenance, improves working efficiency.
Finally, it is stated that preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent
Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The range of restriction.
Claims (5)
1. a kind of frequency conversion water supply facility of central water supply system, including pond (4), pond (4) are equipped with pond water supplying pipe (8),
Pond water supplying pipe (8) is connect with pond water supply pump machine (9) water outlet, pond water supply pump machine (9) water inlet end and municipal network water supply
User feed water inlet (5) are arranged in system (10) connection, pond (4) bottom, water pump machine (6) are arranged on user feed water inlet (5), gap
(7) it is arranged on pond (4) side wall, is highly H4, it is characterised in that: the frequency conversion water supply facility of the central water supply system also wraps
Include control unit (1), relay I (2), liquid level sensor (3), pressure sensor (11), relay II (13), water pump machine (6)
Be connected by relay I (2) and cable with control unit (1), pond water supply pump machine (9) by relay II (13) and cable with
Control unit (1) is connected；
Described control unit (1) includes: transformer (16), water level signal converter (17), frequency converter (18), PLC controller
(19)；Liquid level sensor (3) is installed in pond (4), is H1 away from pond (4) distance from bottom, is passed through cable and control unit (1)
In transformer (16), water level signal converter (17), frequency converter (18) be connected with PLC controller (19)；Pressure sensor
(11) it is connected respectively with municipal network water supply system (10) and PLC controller (19) by cable.
2. a kind of frequency conversion water supply facility of central water supply system according to claim 1, it is characterised in that: liquid level sensor
(3) it is installed on pond (4) inner wall, apart from basin bottom H1 value, 100 300mm of H1 value range sets pond low water level lower limit
It is H3 numerical value for H2 and the high water level upper limit, wherein H3 > H2 > H1, high water level upper limit H3 value are less than gap (7) height H4 value about
100mm, low water level lower limit H2 value are greater than about 100 200mm of liquid level sensor (3) position H1 value.
3. a kind of frequency conversion water supply facility of central water supply system according to claim 1, it is characterised in that: liquid level sensor
(3) level measuring data variation, can be in PLC controller (19) operation, and can be in multifunctional digital and control system (20)
It is shown on digital display control panel.
4. a kind of frequency conversion water supply facility of central water supply system according to claim 1, it is characterised in that: the PLC control
Device (19) access multifunctional digital processed and control system (20), cell phone application client (22) access Water-Level Supervising System IP client
It holds (21), Water-Level Supervising System IP client (21) accesses multifunctional digital and control system (20) again.
5. a kind of frequency conversion water supply facility of central water supply system according to claim 4, it is characterised in that: monitoring water level system
System IP client (21) can be connected to multiple multifunctional digitals and control system (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821118909.7U CN208563458U (en) | 2018-07-16 | 2018-07-16 | A kind of frequency conversion water supply facility of central water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821118909.7U CN208563458U (en) | 2018-07-16 | 2018-07-16 | A kind of frequency conversion water supply facility of central water supply system |
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| Publication Number | Publication Date |
|---|---|
| CN208563458U true CN208563458U (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821118909.7U Active CN208563458U (en) | 2018-07-16 | 2018-07-16 | A kind of frequency conversion water supply facility of central water supply system |
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| CN (1) | CN208563458U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708435A (en) * | 2018-07-16 | 2018-10-26 | 红塔烟草(集团)有限责任公司 | A kind of frequency conversion water supply facility and method of central water supply system |
-
2018
- 2018-07-16 CN CN201821118909.7U patent/CN208563458U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708435A (en) * | 2018-07-16 | 2018-10-26 | 红塔烟草(集团)有限责任公司 | A kind of frequency conversion water supply facility and method of central water supply system |
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