CN206956854U - A kind of totally-enclosed variable frequency non-negative pressure water - Google Patents

A kind of totally-enclosed variable frequency non-negative pressure water Download PDF

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Publication number
CN206956854U
CN206956854U CN201720774500.XU CN201720774500U CN206956854U CN 206956854 U CN206956854 U CN 206956854U CN 201720774500 U CN201720774500 U CN 201720774500U CN 206956854 U CN206956854 U CN 206956854U
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CN
China
Prior art keywords
water
steady
air
flow tank
inlet
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.)
Expired - Fee Related
Application number
CN201720774500.XU
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Chinese (zh)
Inventor
李万勇
李学进
孙成刚
王健
袁普林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Huangpu South Water Supply Environmental Protcction Enginecryng Co Ltd
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Guangzhou Huangpu South Water Supply Environmental Protcction Enginecryng Co Ltd
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Priority to CN201720774500.XU priority Critical patent/CN206956854U/en
Application granted granted Critical
Publication of CN206956854U publication Critical patent/CN206956854U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of totally-enclosed variable frequency non-negative pressure water, including steady-flow tank, the inner bottom of steady-flow tank is fixed with ultrasonic liquid level sensor, the inner tip of steady-flow tank is fixed with baroceptor, steady-flow tank upper end is from left to right fixed with magnetic valve successively, air pump and the second air purifier, the gas outlet of second air purifier is connected with the air inlet of air pump by conduit, the gas outlet of air pump is connected with the air inlet of steady-flow tank upper end by air inlet pipe, air inlet pipe is provided with check-valves, the delivery port of steady-flow tank lower end connects with the water inlet of straight pipe and the water inlet of pressure inlet respectively, the air that first air purifier and the second air purifier to enter in steady-flow tank is purified, improve the tap water quality in steady-flow tank;Liquid pump is stopped when user does not have to water or water consumption very little, and the air pressure of air pump increase steady-flow tank causes the hydraulic pressure of running water to keep constant, and energy resource consumption is small, and improves the service life of liquid pump.

Description

A kind of totally-enclosed variable frequency non-negative pressure water
Technical field
Supply equipment technical field is the utility model is related to, specially a kind of totally-enclosed variable frequency non-negative pressure water.
Background technology
As skyscraper is more and more, secondary water-supply is more prevalent.Secondary water-supply has that water consumption amplitude of variation is big, uses The features such as water is uneven, and the situation of long-time low discharge or zero delivery often occurs, such as in the period in morning, but in order to tie up Ductwork pressure is held, water pump still needs to run, and water pump is typically to carry out type selecting according to design discharge and lift, to meet least favorable work It the design requirement of condition, will so cause selected water pump substantial deviation high efficient district when low discharge is run, and waste energy and have influence on The service life of water pump.
Utility model content
The technical problems to be solved in the utility model is to overcome the defects of existing, there is provided a kind of totally-enclosed frequency conversion non-negative pressure supplies The air that wetting system, the first air purifier and the second air purifier to enter in steady-flow tank is purified, and is improved Tap water quality in steady-flow tank;Liquid pump is stopped when user does not have to water or water consumption very little, and air pump increases the gas of steady-flow tank Pressure causes the hydraulic pressure of running water to keep constant, and energy resource consumption is small, and improves the service life of liquid pump, can effectively solve background The problem of in technology.
To achieve the above object, the utility model provides following technical scheme:A kind of totally-enclosed frequency conversion non-negative pressure supplies water and set It is standby, including steady-flow tank, the inner bottom of the steady-flow tank be fixed with ultrasonic liquid level sensor, the inner tip of steady-flow tank is fixed There is baroceptor, steady-flow tank upper end is from left to right fixed with magnetic valve, air pump and the second air purifier, the second air successively The gas outlet of clarifier is connected with the air inlet of air pump by conduit, and the gas outlet of air pump and the air inlet of steady-flow tank upper end pass through Air inlet pipe connects, and air inlet pipe is provided with check-valves.
The delivery port of steady-flow tank lower end connects with the water inlet of straight pipe and the water inlet of pressure inlet respectively, and pressure inlet goes out Water inlet of the delivery port of the mouth of a river and straight pipe respectively with outlet pipe is connected, and water pressure gauge and current sensing are provided with outlet pipe Check-valves is mounted on device, straight pipe and pressure inlet, liquid pump is installed, before liquid pump is fixed on the upper surface of bottom plate on pressure inlet Side, the upper surface rear side of bottom plate are fixed with PLC and frequency converter, PLC and external power source electrical connection, PLC controls Input of the output end of device respectively with magnetic valve, air pump and frequency converter electrically connects, the output end of frequency converter and the input of liquid pump End electrical connection, the input of PLC sense with baroceptor, ultrasonic liquid level sensor, water pressure gauge and current respectively Device output end electrically connects.
As a kind of optimal technical scheme of the present utility model, the water outlet of the water inlet and water purifier of the steady-flow tank left end Mouth is connected by conduit, and the water inlet of water purifier connects with the delivery port of running water water inlet pipe, and running water water inlet pipe is provided with only Return valve.
As a kind of optimal technical scheme of the present utility model, the blow vent of the steady-flow tank upper end and one end of magnetic valve Connection, the other end of magnetic valve connect with the gas outlet of the first air purifier.
As a kind of optimal technical scheme of the present utility model, the steady-flow tank is sleeping tank, and steady-flow tank passes through mounting bracket Fix on the ground.
As a kind of optimal technical scheme of the present utility model, the quantity of the pressure inlet is two.
Compared with prior art, the beneficial effects of the utility model are:This totally-enclosed variable frequency non-negative pressure water, first The air that air purifier and the second air purifier to enter in steady-flow tank is purified, and improves oneself in steady-flow tank Water water quality;Liquid pump is stopped when user does not have to water or water consumption very little, and the air pressure of air pump increase steady-flow tank causes running water Hydraulic pressure keep it is constant, energy resource consumption is small, and improves the service life of liquid pump.
Brief description of the drawings
Fig. 1 is the utility model part section structural representation.
In figure:1 running water water inlet pipe, 2 water purifiers, 3 steady-flow tanks, 4 first air purifiers, 5 magnetic valves, 6 air inlet pipe, 7 Baroceptor, 8 air pumps, 9 second air purifiers, 10 ultrasonic liquid level sensors, 11 liquid pumps, 12 straight pipes, 13 pressure inlets, 14 water pressure gauges, 15 water flow sensing units, 16PLC controllers, 17 bottom plates, 18 frequency converters, 19 outlet pipes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme:A kind of totally-enclosed variable frequency non-negative pressure water, bag Include steady-flow tank 3, steady-flow tank 3 is sleeping tank, and steady-flow tank 3 is fixed on the ground by mounting bracket, the water inlet of the left end of steady-flow tank 3 and The delivery port of water purifier 2 is connected by conduit, and the water inlet of water purifier 2 connects with the delivery port of running water water inlet pipe 1, running water Water inlet pipe 1 is provided with check-valves, and the inner bottom of steady-flow tank 3 is fixed with ultrasonic liquid level sensor 10, the inside top of steady-flow tank 3 End is fixed with baroceptor 7, and the upper end of steady-flow tank 3 is from left to right fixed with magnetic valve 5, the purification of air of air pump 8 and second successively Device 9, the gas outlet of the second air purifier 9 are connected with the air inlet of air pump 8 by conduit, the gas outlet of air pump 8 and steady-flow tank 3 The air inlet of upper end is connected by air inlet pipe 6, and air inlet pipe 6 is provided with check-valves, the blow vent and magnetic valve 5 of the upper end of steady-flow tank 3 One end connection, the other end of magnetic valve 5 connects with the gas outlet of the first air purifier 4, the first air purifier 4 and second Air purifier 9 causes the air into steady-flow tank 3 to be purified, and improves the tap water quality in steady-flow tank 3.
The delivery port of the lower end of steady-flow tank 3 connects with the water inlet of straight pipe 12 and the water inlet of pressure inlet 13 respectively, supercharging The water inlet of the delivery port of pipe 13 and the delivery port of straight pipe 12 respectively with outlet pipe 19 is connected, and hydraulic pressure is provided with outlet pipe 19 Table 14 and water flow sensing unit 15, PLC 16 detect the running water pressure for being conveyed to user, the He of straight pipe 12 by water pressure gauge 14 Check-valves is mounted on pressure inlet 13, liquid pump 11 is installed, before liquid pump 11 is fixed on the upper surface of bottom plate 17 on pressure inlet 13 Side, the quantity of pressure inlet 13 is two, and PLC 16 and frequency converter 18, PLC controls are fixed with rear side of the upper surface of bottom plate 17 Device 16 controls liquid pump 11 to be worked with different power by frequency converter 18, and liquid pump 11 stops when user does not have to water or water consumption very little Work, the air pressure that air pump 8 increases steady-flow tank 3 cause the hydraulic pressure of running water to keep constant, and energy resource consumption is small, and improves liquid pump 11 Service life, PLC 16 and external power source electrical connection, the output end of PLC 16 respectively with magnetic valve 5, air pump 8 Electrically connected with the input of frequency converter 18, the output end of frequency converter 18 and the input electrical connection of liquid pump 11, PLC 16 Input is electrically connected with baroceptor 7, ultrasonic liquid level sensor 10, water pressure gauge 14 and the output end of water flow sensing unit 15 respectively Connect.
It is hand commonly used in the prior art that PLC 16, which controls magnetic valve 5, air pump 8, liquid pump 11 and frequency converter 18, Section.
When in use:The water inlet of the left end of steady-flow tank 3 is connected with the delivery port of water purifier 2 by conduit, and water purifier 2 enters The mouth of a river connects with municipal tap water pipe network, and being connected on the basis of the pipe network residual compression of municipal tap water laminates water supply.
(1) constant pressure water supply:When city planting ductwork output is more than user's water consumption, PLC 16 passes through hydraulic pressure Table 14 detects the running water pressure for being conveyed to user, and PLC 16 controls liquid pump 11 with different power works by frequency converter 18 Make, this totally-enclosed variable frequency non-negative pressure water constant pressure water supply, now store a certain amount of artesian water in steady-flow tank 3.
(2) negative pressure is eliminated:When user's water consumption increase causes the junction pressure of city planting ductwork and steady-flow tank 3 to decline, and surely When flowing formation negative pressure in tank 3, magnetic valve 5 is opened, and air enters steady-flow tank 3 by the first air purifier 4 and magnetic valve 5, this When, steady-flow tank 3 has the opening water tank of free surface equivalent to one, and pressure is identical with air, and negative pressure is eliminated.Work as ultrasonic wave When liquid level sensor 10 detects water level decreasing to setting value, PLC 16 controls liquid pump 11 to be stopped, and user cuts off the water; When user's water consumption reduces, water level rises in steady-flow tank 3, and gas excludes from magnetic valve 5, after pressure recovers normal, magnetic valve 5 Close, PLC 16 controls liquid pump 11 to rework, and resumes water supply.
(3) cut off the water stopping function:When city planting ductwork is cut off the water, PLC 16 controls liquid pump 11 out of service, municipal administration pipe Net supplies water after recovery, and the control liquid pump 11 of PLC 16 starts recovers normal water supply again.
(4) low discharge sleep mode:PLC 16 detects that user does not have to water or water consumption by water flow sensing unit 15 Liquid pump 11 is stopped during very little, and air pump 8 works, and air is entered surely by the second air purifier 9, air pump 8 and air inlet pipe 6 Flow in tank 3, air pressure becomes big in steady-flow tank 3 so that the hydraulic pressure of running water keeps constant;When user recovers to use water, PLC 16 Control liquid pump 11 starts recovers normal water supply again.
The utility model, the first air purifier 4 and the second air purifier 9 make it that the air into steady-flow tank 3 is equal It is purified, improves the tap water quality in steady-flow tank 3;Liquid pump 11 is stopped when user does not have to water or water consumption very little, The air pressure that air pump 8 increases steady-flow tank 3 causes the hydraulic pressure of running water to keep constant, and energy resource consumption is small, and improves making for liquid pump 11 Use the life-span.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of totally-enclosed variable frequency non-negative pressure water, including steady-flow tank (3), it is characterised in that:The steady-flow tank (3) it is interior Portion bottom is fixed with ultrasonic liquid level sensor (10), and the inner tip of steady-flow tank (3) is fixed with baroceptor (7), current stabilization Tank (3) upper end is from left to right fixed with magnetic valve (5), air pump (8) and the second air purifier (9), the second purification of air successively The gas outlet of device (9) is connected with the air inlet of air pump (8) by conduit, the gas outlet of air pump (8) and entering for steady-flow tank (3) upper end Gas port is connected by air inlet pipe (6), and air inlet pipe (6) is provided with check-valves;
The delivery port of steady-flow tank (3) lower end connects with the water inlet of straight pipe (12) and the water inlet of pressure inlet (13) respectively, increases The water inlet of the delivery port of pressure pipe (13) and the delivery port of straight pipe (12) respectively with outlet pipe (19) connects, on outlet pipe (19) Water pressure gauge (14) and water flow sensing unit (15) are installed, check-valves is mounted on straight pipe (12) and pressure inlet (13), is pressurized Liquid pump (11) is installed, liquid pump (11) is fixed on front side of the upper surface of bottom plate (17), behind the upper surface of bottom plate (17) on pipe (13) Side is fixed with PLC (16) and frequency converter (18), PLC (16) and external power source electrical connection, PLC (16) Input of the output end respectively with magnetic valve (5), air pump (8) and frequency converter (18) electrically connect, the output end of frequency converter (18) Electrically connected with the input of liquid pump (11), the input of PLC (16) respectively with baroceptor (7), supersonic liquid level Sensor (10), water pressure gauge (14) and the electrical connection of water flow sensing unit (15) output end.
A kind of 2. totally-enclosed variable frequency non-negative pressure water according to claim 1, it is characterised in that:The steady-flow tank (3) water inlet of left end is connected with the delivery port of water purifier (2) by conduit, water inlet and the running water water inlet of water purifier (2) The delivery port connection of (1) is managed, running water water inlet pipe (1) is provided with check-valves.
A kind of 3. totally-enclosed variable frequency non-negative pressure water according to claim 1, it is characterised in that:The steady-flow tank (3) blow vent of upper end connects with one end of magnetic valve (5), the other end of magnetic valve (5) and going out for the first air purifier (4) Gas port connects.
A kind of 4. totally-enclosed variable frequency non-negative pressure water according to claim 1, it is characterised in that:The steady-flow tank (3) fixed on the ground for sleeping tank, steady-flow tank (3) by mounting bracket.
A kind of 5. totally-enclosed variable frequency non-negative pressure water according to claim 1, it is characterised in that:The pressure inlet (13) quantity is two.
CN201720774500.XU 2017-06-29 2017-06-29 A kind of totally-enclosed variable frequency non-negative pressure water Expired - Fee Related CN206956854U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720774500.XU CN206956854U (en) 2017-06-29 2017-06-29 A kind of totally-enclosed variable frequency non-negative pressure water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720774500.XU CN206956854U (en) 2017-06-29 2017-06-29 A kind of totally-enclosed variable frequency non-negative pressure water

Publications (1)

Publication Number Publication Date
CN206956854U true CN206956854U (en) 2018-02-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108408995A (en) * 2018-04-19 2018-08-17 张勇 A kind of high-purity water treatment system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108408995A (en) * 2018-04-19 2018-08-17 张勇 A kind of high-purity water treatment system

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20180202

Termination date: 20180629