CN209370031U - A kind of differential pressure multisystem water management system - Google Patents
A kind of differential pressure multisystem water management system Download PDFInfo
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- CN209370031U CN209370031U CN201920029602.8U CN201920029602U CN209370031U CN 209370031 U CN209370031 U CN 209370031U CN 201920029602 U CN201920029602 U CN 201920029602U CN 209370031 U CN209370031 U CN 209370031U
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- main control
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- frequency converter
- water pump
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Abstract
The utility model discloses a kind of differential pressure multisystem water management systems, including the first main control unit, the second main control unit, the first water pump, the second water pump, first pressure sensor and second sensor, first main control unit is separately connected the first water pump and first pressure sensor by route, second main control unit is separately connected the second water pump and second sensor by route, first water pump and the second water pump are respectively arranged in the water supply port of water pipe, and the first pressure sensor and second sensor are installed in the lumen of water pipe.This differential pressure multisystem water management system, be not in pump machine switching or the conversion power frequency of frequency conversion suddenly or power frequency and the states such as stop suddenly, therefore hydraulic pressure can be more constant than traditional frequency conversion water supply, and waste of energy caused by pump machine frequent switching and loss are avoided, have the advantages that energy-saving effect is obviously improved, the pump machine service life increases.
Description
Technical field
The utility model relates to water system technical field, specially a kind of differential pressure multisystem water management system.
Background technique
It is traditional no matter in the control system that non-negative pressure method of water supply or constant pressure frequency conversion supply water, a control object can only be set
A real-time target pressure is set, goes stable objects pressure to tend to setting value, the disadvantage of this control using variable frequency adjustment pump rotary speed
End is that water pump will switch over when user's water changes greatly, and is needed by increasing or decreasing water pump quantity with reaching water variation
Ask, hydraulic pressure impact can be inevitably generated when water pump increases or decreases, when serious can acute variation for some time, this
Either to all very unfavorable with water quality or the service life of water pump of user.
Utility model content
The purpose of this utility model is to provide a kind of differential pressure multisystem water management systems, are not in pump machine switching
Or the conversion power frequency of frequency conversion suddenly or power frequency and the states such as stop suddenly, therefore hydraulic pressure can supply water than traditional frequency conversion it is more constant, and
Avoid waste of energy caused by pump machine frequent switching and loss, have energy-saving effect be obviously improved, the pump machine service life it is increased excellent
Point, solves the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of differential pressure multisystem is for water management system
System, including the first main control unit, the second main control unit, the first water pump, the second water pump, first pressure sensor and the second sensing
Device, first main control unit are separately connected the first water pump and first pressure sensor, second main control unit by route
It is separately connected the second water pump and second sensor by route, first water pump and the second water pump are respectively arranged in the confession of water pipe
Water end (W.E.) mouth, the first pressure sensor and second sensor are installed on the lumen of water pipe；In first main control unit
Contain main control PLC 1 and frequency converter GF1, wherein the pin 4 of main control PLC 1 connects the pin 10 of frequency converter GF1, main control PLC 1
Pin 5 connects the pin 13 of frequency converter GF1, and the pin 11 of main control PLC 1 connects the pin 2 of frequency converter GF1, and main control PLC 1 is drawn
Foot 12 connects the pin 3 of frequency converter GF1, and the pin 13 of main control PLC 1 connects change-over switch SA1 and is followed by firewire L, main control PLC 1
Pin 15 connects relay KM1 and is followed by zero curve N；Contain main control PLC 2 and frequency converter GF2 in second main control unit,
In, the pin 4 of main control PLC 2 connects the pin 10 of frequency converter GF2, and the pin 5 of main control PLC 2 connects the pin 13 of frequency converter GF2,
The pin 11 of main control PLC 2 connects the pin 2 of frequency converter GF2, and the pin 12 of main control PLC 2 connects the pin 3 of frequency converter GF2, main
The pin 13 of control PLC2 connects change-over switch SA2 and is followed by firewire L, and the pin 15 of main control PLC 2 connects relay KM2 and is followed by zero curve
N。
Preferably, it is also opened containing indicator light HL1, voltmeter V, indicator light HL2 and relay in first main control unit
Close KM1, wherein one end of indicator light HL1 connects firewire L, and the other end connects zero curve N, and voltmeter V1 is connected by parallel circuit
At the both ends of indicator light HL1, one end connection relay switch KM1 of indicator light HL2 is followed by firewire L, another terminal connecting zero line N.
Preferably, indicator light HL3 and relay switch KM2 is also contained in second main control unit, wherein indicator light
One end connection relay switch KM1 of HL2 is followed by firewire L, another terminal connecting zero line N.
Compared with prior art, the beneficial effects of the utility model are as follows:
This differential pressure multisystem water management system controls a frequency converter GF1 by a main control PLC 1, when target water
When pressure increases or reduces, 1 controller signals of main control PLC are transmitted to by first pressure sensor, frequency converter is controlled by main control PLC 1
GF1 output frequency is reduced or increased, so that first pump rotary speed for driving frequency converter GF1 reduces or increases, is maintained with this
Goal pressure it is constant；And when increasing pressure with water and slightly dropping, system starts second main control PLC 2 and controls second frequency converter
GF2, thus the steady pressure of the second water pump of control；Therefore, effect on real-time pressure of this system when stablizing water consumption variation
Significantly, pressure is steady, energy consumption reduces, and is widely portable to the frequency-changing water supply device of secondary pressurized or step by step in laminating water supply equipment
It is required that the higher low mid-category devices of pressure smoothness.
Detailed description of the invention
Fig. 1 is the control system schematic diagram of the utility model；
Fig. 2 is the electric operation control circuit figure of the utility model.
In figure: 1, the first main control unit；2, the second main control unit；3, the first water pump；4, the second water pump；5, first pressure passes
Sensor；6, second sensor.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of differential pressure multisystem water management system referring to FIG. 1-2, including the first main control unit 1, the second master control list
First 2, first water pump 3, the second water pump 4, first pressure sensor 5 and second sensor 6, the first main control unit 1 pass through route point
The first water pump 3 and first pressure sensor 5 are not connected, and the second main control unit 2 is separately connected the second water pump 4 and second by route
Sensor 6, the first water pump 3 and the second water pump 4 are respectively arranged in the water supply port of water pipe, and first pressure sensor 5 and second pass
Sensor 6 is installed on the lumen of water pipe；Contain main control PLC 1 and frequency converter GF1 in first main control unit 1, wherein main control PLC 1
Pin 4 connect the pin 10 of frequency converter GF1, the pin 5 of main control PLC 1 connects the pin 13 of frequency converter GF1, main control PLC 1
Pin 11 connects the pin 2 of frequency converter GF1, and the pin 12 of main control PLC 1 connects the pin 3 of frequency converter GF1, and main control PLC 1 is drawn
Foot 13 connects change-over switch SA1 and is followed by firewire L, and the pin 15 of main control PLC 1 connects relay KM1 and is followed by zero curve N；First master control
Also contain indicator light HL1, voltmeter V, indicator light HL2 and relay switch KM1 in unit 1, wherein one end of indicator light HL1
Firewire L is connected, the other end connects zero curve N, and voltmeter V1 is connected to the both ends of indicator light HL1, indicator light HL2 by parallel circuit
One end connection relay switch KM1 be followed by firewire L, another terminal connecting zero line N；When target hydraulic pressure increases or reduces, by the
One pressure sensor 5 is transmitted to 1 controller signals of main control PLC, controls frequency converter GF1 output frequency by main control PLC 1 and reduces or increase
Add, so that the first water pump 3 revolving speed for driving frequency converter GF1 reduces or increases, the constant of goal pressure is maintained with this；Second
Containing main control PLC 2 and frequency converter GF2 in main control unit 2, wherein the pin 4 of main control PLC 2 connects the pin 10 of frequency converter GF2,
The pin 5 of main control PLC 2 connects the pin 13 of frequency converter GF2, and the pin 11 of main control PLC 2 connects the pin 2 of frequency converter GF2, main
The pin 12 for controlling PLC2 connects the pin 3 of frequency converter GF2, and the pin 13 of main control PLC 2 connects change-over switch SA2 and is followed by firewire L,
The pin 15 of main control PLC 2 connects relay KM2 and is followed by zero curve N；Also contain indicator light HL3 and relay in second main control unit 2
Switch KM2, wherein one end connection relay switch KM1 of indicator light HL2 is followed by firewire L, another terminal connecting zero line N；Increase when with water
When multiple pressure power slightly drops, system starts 2 console frequency converter GF2 of main control PLC, thus the steady pressure of the second water pump 4 of control.
This differential pressure multisystem water management system controls a frequency converter GF1 by a main control PLC 1, when target water
When pressure increases or reduces, 1 controller signals of main control PLC are transmitted to by first pressure sensor 5, frequency converter is controlled by main control PLC 1
GF1 output frequency is reduced or increased, so that the first water pump 3 revolving speed for driving frequency converter GF1 reduces or increases, is maintained with this
Goal pressure it is constant；And when increasing pressure with water and slightly dropping, system starts second main control PLC 2 and controls second frequency converter
GF2, thus the steady pressure of the second water pump 4 of control；Therefore, effect on real-time pressure of this system when stablizing water consumption variation
Significantly, pressure is steady, energy consumption reduces, and is widely portable to the frequency-changing water supply device of secondary pressurized or step by step in laminating water supply equipment
It is required that the higher low mid-category devices of pressure smoothness.
In summary: this differential pressure multisystem water management system is not in pump machine switching or the conversion work of frequency conversion suddenly
Frequency or power frequency and the states such as stop suddenly, therefore hydraulic pressure can supply water more constant than traditional frequency conversion, and avoid water pump and frequently cut
Waste of energy caused by changing and loss have the advantages that energy-saving effect is obviously improved, the pump machine service life increases, thus effective solution
The problems of the prior art.
It should be noted that, in this document, 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.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of differential pressure multisystem water management system, including the first main control unit (1), the second main control unit (2), the first water
Pump (3), the second water pump (4), first pressure sensor (5) and second sensor (6), it is characterised in that: the first master control list
First (1) is separately connected the first water pump (3) and first pressure sensor (5) by route, and second main control unit (2) passes through line
Road is separately connected the second water pump (4) and second sensor (6), and first water pump (3) and the second water pump (4) are respectively arranged in water
The water supply port of pipe, the first pressure sensor (5) and second sensor (6) are installed on the lumen of water pipe；Described
Contain main control PLC 1 and frequency converter GF1 in one main control unit (1), wherein the pin 4 of main control PLC 1 connects drawing for frequency converter GF1
Foot 10, the pin 5 of main control PLC 1 connect the pin 13 of frequency converter GF1, and the pin 11 of main control PLC 1 connects the pin of frequency converter GF1
2, the pin 12 of main control PLC 1 connects the pin 3 of frequency converter GF1, and the pin 13 of main control PLC 1 is started to exchange fire after connecting change-over switch SA1
Line L, the pin 15 of main control PLC 1 connect relay KM1 and are followed by zero curve N；Contain master control in second main control unit (2)
PLC2 and frequency converter GF2, wherein the pin 4 of main control PLC 2 connects the pin 10 of frequency converter GF2, and the pin 5 of main control PLC 2 connects
The pin 13 of frequency converter GF2, the pin 11 of main control PLC 2 connect the pin 2 of frequency converter GF2, and the pin 12 of main control PLC 2, which connects, to be become
The pin 3 of frequency device GF2, the pin 13 of main control PLC 2 connect change-over switch SA2 and are followed by firewire L, and the pin 15 of main control PLC 2 connects
Relay KM2 is followed by zero curve N.
2. a kind of differential pressure multisystem water management system according to claim 1, it is characterised in that: first master control
Also contain indicator light HL1, voltmeter V, indicator light HL2 and relay switch KM1 in unit (1), wherein the one of indicator light HL1
End connection firewire L, the other end connect zero curve N, and voltmeter V1 is connected to the both ends of indicator light HL1, indicator light by parallel circuit
One end connection relay switch KM1 of HL2 is followed by firewire L, another terminal connecting zero line N.
3. a kind of differential pressure multisystem water management system according to claim 1, it is characterised in that: second master control
Also contain indicator light HL3 and relay switch KM2 in unit (2), wherein one end of indicator light HL2 connects relay switch KM1
It is followed by firewire L, another terminal connecting zero line N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920029602.8U CN209370031U (en) | 2019-01-08 | 2019-01-08 | A kind of differential pressure multisystem water management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920029602.8U CN209370031U (en) | 2019-01-08 | 2019-01-08 | A kind of differential pressure multisystem water management system |
Publications (1)
| Publication Number | Publication Date |
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| CN209370031U true CN209370031U (en) | 2019-09-10 |
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| CN201920029602.8U Active CN209370031U (en) | 2019-01-08 | 2019-01-08 | A kind of differential pressure multisystem water management system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578263A (en) * | 2019-01-08 | 2019-04-05 | 河北诚悦扬节能科技有限公司 | A kind of differential pressure multisystem water management system |
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2019
- 2019-01-08 CN CN201920029602.8U patent/CN209370031U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578263A (en) * | 2019-01-08 | 2019-04-05 | 河北诚悦扬节能科技有限公司 | A kind of differential pressure multisystem water management system |
| CN109578263B (en) * | 2019-01-08 | 2024-04-05 | 河北诚悦扬节能科技有限公司 | Micro-differential pressure multi-system water supply control system |
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