CN206737029U - Efficiently intelligent water supply equipment is laminated without negative pressure - Google Patents

Abstract

The utility model discloses one kind efficiently to laminate intelligent water supply equipment mainly by steady flow compensator without negative pressure, negative pressure inhibition device, main pump, low-capacity pump, auto-pneumatic cylinder, flow monitoring meter and switch board composition, steady flow compensator water outlet connects distribution main, distribution main reconnects main pump water distribution, main pump water outlet connects outfall sewer, low discharge low pressure sparge pipe connection low-capacity pump is also drawn on distribution main, low-capacity pump water outlet connects low discharge forcing pipe, it is connected again by low discharge forcing pipe with outfall sewer, low pressure check valves are equiped with the low discharge low pressure sparge pipe, before low-capacity pump, small flow high pressure sparge pipe is also drawn on low discharge low pressure sparge pipe after low pressure check valves, auto-pneumatic cylinder is connected by small flow high pressure sparge pipe again.The beneficial effects of the utility model are that the utility model has the advantages that energy-conservation, efficient, health and defencive function are complete, and change uneven and low discharge particularly suitable for water consumption is more saved with water time longer secondary water-supply occasion.

Description

Efficiently intelligent water supply equipment is laminated without negative pressure

Technical field

No negative pressure secondary hydrotechny field is the utility model is related to, it is specifically a kind of efficiently to laminate intelligence without negative pressure Supply equipment.

Background technology

It is more and more with high-rise, China's secondary water-supply mode day by universal, due to being supplied water without negative pressure secondary The advantages that facilitating in the presence of energy-conservation, health and management service, thus no-negative-pressure water supply equipment extensively should in secondary water-supply mode With however, there is the problem of high energy consumption in no-negative-pressure water supply equipment, especially there is also some defects, such as when low discharge is run It is more prominent in night.

Utility model content

The purpose of this utility model is to provide a kind of energy-conservation, hygienic and intelligentized efficiently laminate intelligent water supply without negative pressure Equipment, especially solve the problems, such as high in low discharge operation energy consumption.

Technical scheme is used by the utility model solves its technical problem：Efficiently intelligent water supply equipment is laminated without negative pressure Mainly it is made up of steady flow compensator, negative pressure inhibition device, main pump, low-capacity pump, auto-pneumatic cylinder, flow monitoring meter and switch board, surely Stream compensator is connected water inlet with running water water inlet pipe, and is equiped with successively along water (flow) direction of intaking on running water water inlet pipe negative Table, filter and backflow preventer are pressed, steady flow compensator water outlet connection distribution main, distribution main reconnects main pump water distribution, main Water connection outfall sewer is pumped out, and flow monitoring meter is housed on outfall sewer, outfall sewer after flow monitoring meter by connecting Connect and supplied water with water spot, outfall sewer is also equiped with discharge pressure detection table and overpressure protection switch, institute before flow monitoring meter The water pressure that discharge pressure detection table is used for on-line checking outfall sewer is stated, low discharge low pressure water distribution is also drawn on distribution main Pipe connects low-capacity pump, low-capacity pump water outlet connection low discharge forcing pipe, then is connected by low discharge forcing pipe with outfall sewer, Low pressure check valves are equiped with the low discharge low pressure sparge pipe, the low pressure check valves are used to prevent current reversely flow backward to from matching somebody with somebody Supply mains, is equiped with low discharge check-valves on the low discharge forcing pipe, and the low discharge check-valves is used to prevent that current are anti- To low-capacity pump is flowed backward to, rill is also drawn on the low discharge low pressure sparge pipe before low-capacity pump, after low pressure check valves High pressure sparge pipe is measured, then auto-pneumatic cylinder is connected by small flow high pressure sparge pipe, along the back of the body on the small flow high pressure sparge pipe Water distribution motor-driven valve and high-pressure check valve are sequentially equiped with to the water (flow) direction of auto-pneumatic cylinder, and in the water distribution motor-driven valve and air pressure Water distribution switching pressure detecting table is additionally provided with small flow high pressure sparge pipe between water pot, the water distribution switching pressure detecting table is used In the water pressure of detection auto-pneumatic cylinder, the high-pressure check valve is used to prevent current from reversely flowing backward to auto-pneumatic cylinder, in addition, in institute State and small flow pressure maintaining pipe and outfall sewer company are also drawn on the small flow high pressure sparge pipe between water distribution motor-driven valve and auto-pneumatic cylinder Connect, and bidirectional electric valve be housed on the small flow pressure maintaining pipe, at the same time, around the main pump and low-capacity pump with Bypass pipe connection is additionally provided between supply mains and outfall sewer, and bypass check valve is housed on bypass pipe, the bypass non-return Valve is used to prevent the current of outfall sewer from reversely flowing backward to distribution main by bypass pipe and forming circulation.

The intake pressure detection table, negative pressure inhibition device, main pump, low-capacity pump, water distribution motor-driven valve, water distribution switching pressure inspection Survey table, bidirectional electric valve, discharge pressure detection table, overpressure protection switch are covered with cable with flow monitoring meter and connect control respectively Cabinet.

The main pump is 2~4 and is arranged in parallel that the low-capacity pump coordinates main pump preferably 1, and the choosing of low-capacity pump The main pump type selecting flow of preferably 1/4~1/3 times of type flow, the type selecting lift of low-capacity pump are then according to the type selecting lift or low of main pump Type selecting is carried out in main pump type selecting lift 5%~25%.

Operation principle of the present utility model is, the filter is used to filtering and remove consolidating of being conveyed in running water water inlet pipe Body impurity, the backflow preventer are used to strictly prevent current pollution hidden trouble, vacuum table caused by reversely flowing backwards to be used for The hydraulic pressure of field monitoring running water water inlet pipe, the negative pressure inhibition device are used for the nothing for controlling running water water inlet pipe and steady flow compensator Negative pressure directly concatenates water supply, and the regulating pondage supplement and water level of inflow deficiency, steady flow compensator when running water water inlet pipe are opened When beginning to decline, negative pressure inhibition device, which will automatically turn on, to be filled into air and eliminates negative pressure, treats running water inflow abundance and detection current stabilization After compensator full water, negative pressure inhibition device, which will turn off and return to, laminates water supply, i.e., running water water inlet pipe pressure is mended Pressure is supplied water, and main pump constant pressure water supply, at the same time, auto-pneumatic cylinder will be stored up by small flow pressure maintaining pipe in main pump running Enough regulating pondages are prepared enough, now water distribution motor-driven valve is closed, bidirectional electric valve is opened, when the appearance low discharge of water low peak period When, and flow is detected less than presetting small flow rate values by flow monitoring meter and continues 5s~30s any setting value When, system will be determined as low discharge state, now first by the presetting constant pressure of outfall sewer go out water number improve 0.03MPa~ 0.10MPa any setting value, then by 0~10s of main pump voltage stabilizing any setting value, so that auto-pneumatic cylinder lays in abundance Regulating pondage, when main pump is according to any setting value for being higher by the presetting constant pressure of outfall sewer and going out water number 0.03MPa~0.10MPa After progress voltage stabilizing reaches 0s~10s any setting value, main pump will automatically exit from running and into resting state, and in master Pump it is out of service and enter low discharge state during, first by auto-pneumatic cylinder pass through small flow pressure maintaining pipe carry out low discharge guarantor Pressure supplies water, and with the water requirements of satisfaction water spot, is reduced with the regulating pondage of auto-pneumatic cylinder, the discharge pressure drop of outfall sewer It is low, when the discharge pressure that outfall sewer is detected by discharge pressure detection table goes out water number less than presetting constant pressure, rill Amount pump goes out water number progress constant pressure water supply by automatic start and according to the fixed constant pressure of systemic presupposition, and now water distribution motor-driven valve is opened Open, the closing of bidirectional electric valve, high-pressure check valve automatically opens up, and the adjustable water of auto-pneumatic cylinder will pass through small flow high pressure sparge pipe For low-capacity pump carry out water distribution, due to the low discharge low pressure sparge pipe before low pressure check valves hydraulic pressure less than low pressure check valves it The hydraulic pressure of small flow high pressure sparge pipe afterwards, low pressure check valves will be closed, so as to cut off low-capacity pump pass through it is small Flow low pressure sparge pipe is fetched water from distribution main, is detected when switching pressure detecting table by water distribution under the hydraulic pressure of auto-pneumatic cylinder When being brought down below the fixed switching pressure value of systemic presupposition, water distribution motor-driven valve will turn off and cut off small flow high pressure sparge pipe Water source, now low pressure check valves would automatically turn in the presence of water pressure difference and water flowing, such low-capacity pump will pass through rill Amount low pressure sparge pipe is fetched water from distribution main, due to the electrical power of matching somebody with somebody for being less than main pump with electrical power of low-capacity pump, therefore Energy consumption in low-capacity pump running will be well below main pump operation energy consumption, so as to reach the low-capacity pump under low discharge state The optimum energy-saving effect of operation, in addition when low-capacity pump is run, bidirectional electric valve will always be in closed mode, work as detection When to operation low-capacity pump the constant pressure that it is fixed that the discharge pressure of outfall sewer maintains systemic presupposition can not be made to go out water number, it will terminate small Flow status, now system will automatically switch to main pump operation and reach constant pressure water supply, low-capacity pump will automatically exit from and Out of service, bidirectional electric valve is automatically turned on, and bidirectional electric valve will be in all the time when low-capacity pump is in halted state Opening, set when detecting that flow is less than presetting small flow rate values and continues any of 5s~30s by flow monitoring meter During definite value, system is converted into above-mentioned low discharge state and supplied water, and so repeatedly, realizes that low discharge state supplies water energy-efficient Effect.

Meanwhile the discharge pressure of discharge pressure detection table on-line checking outfall sewer, when the water outlet for detecting outfall sewer When the pressure constant pressure fixed less than systemic presupposition goes out water number, operating main pump frequency or low-capacity pump frequency will be lifted, so as to The discharge pressure of outfall sewer is improved, when the discharge pressure for the detecting outfall sewer constant pressure fixed higher than systemic presupposition goes out water number When, operating main pump frequency or low-capacity pump frequency will be reduced, so as to reduce the discharge pressure of outfall sewer, will so be adjusted Section, maintains the fixed constant pressure of systemic presupposition by the discharge pressure for realizing outfall sewer and goes out on water number all the time, reaches frequency-changing pressure stabilizing confession The effect of water, and economize on electricity, energy-conservation；

, will when the intake pressure of running water water inlet pipe is sufficient and goes out water number greater than or equal to the constant pressure of outfall sewer setting The main pump or low-capacity pump for controlling operation are shut down and into resting state, and now system will directly be supplied by bypass pipe to water spot Water, shut down resting state when being in main pump and low-capacity pump and going out for outfall sewer is detected by discharge pressure detection table When water pressure goes out water number less than the fixed constant pressure of systemic presupposition, first it is main pump by automatic start and recovers normal water supply, when passes through When flow monitoring meter detects flow less than presetting small flow rate values and continues 5s~30s any setting value, system will turn Above-mentioned low discharge state is changed to supply water, and when main pump operation or system are in low discharge state and supplied water, due to bypass The outlet pressure of check-valves is higher than its inlet pressure, and bypass check valve will be in higher than inlet pressure according to its outlet pressure and close State, so as to effectively prevent the water of outfall sewer from forming to flow backwards.

The overpressure protection is switched for playing overpressure protection effect to outfall sewer, is detected when being switched by overpressure protection When discharge pressure to outfall sewer exceeds the fixed overpressure protection value of systemic presupposition and can not be effectively controlled, overpressure protection is opened Pass will act and operating main pump or low-capacity pump is in halted state and alarm, when the water outlet for detecting outfall sewer When the pressure constant pressure fixed less than systemic presupposition goes out water number, overpressure protection eliminates, and system will be automatically restored to normal condition.

The auto-pneumatic cylinder is used for low discharge water supply and energy saving, while provides pressure water source when can also be worked for low-capacity pump, To improve effective water supply volume of auto-pneumatic cylinder, in addition, auto-pneumatic cylinder also has the function that voltage stabilizing and eliminates water hammer, when in main pump Start and stop, switching or with water spot flow instantaneous mutation cause outfall sewer discharge pressure fluctuate or flow change when, air pressure The regulating pondage of water pot will play a part of buffering and adjust, and reach the effect of voltage stabilizing.

The switch board is used to realize the functions such as the Automated condtrol of system, distribution, display, protection and alarm.

The beneficial effects of the utility model are, the utility model have energy-conservation, efficiently, health and defencive function it is complete etc. excellent Point, change uneven and low discharge particularly suitable for water consumption and more saved with water time longer secondary water-supply occasion.

Brief description of the drawings

Accompanying drawing 1 is structural representation of the present utility model.

In figure, 1, running water water inlet pipe, 2, vacuum table, 3, filter, 4, backflow preventer, 5, intake pressure detection table, 6th, cable, 7, negative pressure inhibition device, 8, steady flow compensator, 9, distribution main, 10, bypass pipe, 11, bypass check valve, 12, small Flow low pressure sparge pipe, 13, low pressure check valves, 14, main pump, 15, low-capacity pump, 16, low discharge check-valves, 17, high pressure non-return Valve, 18, low discharge forcing pipe, 19, water distribution motor-driven valve, 20, small flow high pressure sparge pipe, 21, water distribution switching pressure detecting table, 22nd, bidirectional electric valve, 23, small flow pressure maintaining pipe, 24, outfall sewer, 25, auto-pneumatic cylinder, 26, discharge pressure detection table, 27, super Press protection switch, 28, flow monitoring meter, 29, switch board, 30, use water spot.

Embodiment

Accompanying drawing 1 is efficiently laminated intelligent water supply equipment without negative pressure and be described in detail below to of the present utility model below.

As shown in Figure 1, it is of the present utility model efficiently without negative pressure laminate intelligent water supply equipment mainly by steady flow compensator 8, Negative pressure inhibition device 7, main pump 14, low-capacity pump 15, auto-pneumatic cylinder 25, flow monitoring meter 28 and switch board 29 form, steady flow compensation Device 8 is connected water inlet with running water water inlet pipe 1, and is equiped with negative pressure successively along water inlet water (flow) direction on running water water inlet pipe 1 Table 2, filter 3 and backflow preventer 4, the water outlet of steady flow compensator 8 connection distribution main 9, distribution main 9 reconnect main pump 14 and matched somebody with somebody Water, the water outlet of main pump 14 connection outfall sewer 24, and flow monitoring meter 28 is housed on outfall sewer 24, outfall sewer 24 is through excessively stream Connection water spot 30 supplies water after amount monitoring meter 28, and outfall sewer 24 is also equiped with discharge pressure inspection before flow monitoring meter 28 Table 26 and overpressure protection switch 27 are surveyed, the discharge pressure detection table 26 is used for the water pressure of on-line checking outfall sewer 24, Low discharge low pressure sparge pipe 12 is also drawn on distribution main 9 and connects low-capacity pump 15, the water outlet of low-capacity pump 15 connection low discharge adds Pressure pipe 18, then be connected by low discharge forcing pipe 18 with outfall sewer 24, it is equiped with the low discharge low pressure sparge pipe 12 low Check-valves 13 is pressed, the low pressure check valves 13 are used to prevent current from reversely flowing backward to distribution main 24, pressurizeed in the low discharge Low discharge check-valves 16 is equiped with pipe 18, the low discharge check-valves 16 is used to prevent current from reversely flowing backward to low-capacity pump 15, small flow high pressure, which is also drawn, on the low discharge low pressure sparge pipe 12 before low-capacity pump 15, after low pressure check valves 13 matches somebody with somebody Water pipe 20, then auto-pneumatic cylinder 25 is connected by small flow high pressure sparge pipe 20, along the back of the body on the small flow high pressure sparge pipe 20 Water distribution motor-driven valve 19 and high-pressure check valve 17 are sequentially equiped with to the water (flow) direction of auto-pneumatic cylinder 25, and in the water distribution motor-driven valve Water distribution switching pressure detecting table 21 is additionally provided with small flow high pressure sparge pipe 20 between 19 and auto-pneumatic cylinder 25, the water distribution is cut The water pressure that pressure detecting table 21 is used to detect auto-pneumatic cylinder 25 is changed, the high-pressure check valve 17 is used to prevent current from reversely flowing backwards To auto-pneumatic cylinder 25, in addition, on small flow high pressure sparge pipe 20 between the water distribution motor-driven valve 19 and auto-pneumatic cylinder 25 also Draw small flow pressure maintaining pipe 23 to be connected with outfall sewer 24, and bidirectional electric valve is housed on the small flow pressure maintaining pipe 23 22, at the same time, bypass pipe is additionally provided between distribution main 9 and outfall sewer 24 around the main pump 14 and low-capacity pump 15 10 connections, and bypass check valve 11 is housed on bypass pipe 10, the bypass check valve 11 is used for the water for preventing outfall sewer 24 Stream reversely flows backward to distribution main 9 by bypass pipe 10 and forms circulation.

The intake pressure detection table 5, negative pressure inhibition device 7, main pump 14, low-capacity pump 15, water distribution motor-driven valve 19, water distribution are cut Pressure detecting table 21, bidirectional electric valve 22, discharge pressure detection table 26, overpressure protection switch 27 and flow monitoring meter 28 is changed to distinguish It is covered with cable 6 and connects switch board 29.

The main pump 14 is 2~4 and is arranged in parallel that the low-capacity pump 15 coordinates main pump 14 preferably 1, and low discharge The type selecting flow of main pump 14 of preferably 1/4~1/3 times of the type selecting flow of pump 15, the type selecting lift of low-capacity pump 15 are then according to main pump 14 Type selecting lift or less than the type selecting lift 5%~25% of main pump 14 carry out type selecting.

Operation principle of the present utility model is that the filter 3 is used to filtering and removing what is conveyed in running water water inlet pipe 1 Solid impurity, the backflow preventer 4 are used to strictly prevent current pollution hidden trouble, vacuum table 2 caused by reversely flowing backwards For the hydraulic pressure of field monitoring running water water inlet pipe 1, the negative pressure inhibition device 7 is used to control running water water inlet pipe 1 to mend with current stabilization That repays device 8 directly concatenates water supply without negative pressure, and the regulating pondage of inflow deficiency, steady flow compensator 8 when running water water inlet pipe 1 is mended Fill and when water level is begun to decline, negative pressure inhibition device 7, which will automatically turn on, to be filled into air and eliminate negative pressure, treats that running water inflow fills After foot and the detection full water of steady flow compensator 8, negative pressure inhibition device 7, which will turn off and return to, laminates water supply, i.e., running water is entered The pressure of water pipe 1 carries out ftercompction water supply, and the constant pressure water supply of main pump 14, at the same time, auto-pneumatic cylinder 25 will pass through small flow pressure maintaining Pipe 23 lays in enough regulating pondages in the running of main pump 14, and now water distribution motor-driven valve 19 is closed, bidirectional electric valve 22 is opened Open, detect that flow is less than presetting low discharge when low discharge of the appearance with water low peak period, and by flow monitoring meter 28 When value and lasting 5s~30s any setting value, system will be determined as low discharge state, now first preset outfall sewer 24 Fixed constant pressure goes out any setting value that water number improves 0.03MPa~0.10MPa, then passes through any of the 0~10s of voltage stabilizing of main pump 14 Setting value, so that auto-pneumatic cylinder 25 lays in the regulating pondage of abundance, when the perseverance presetting according to outfall sewer 24 is higher by of main pump 14 After extrusion water number 0.03MPa~0.10MPa any setting value progress voltage stabilizing reaches 0s~10s any setting value, main pump 14 will automatically exit from running and into resting state, and main pump 14 it is out of service and enter low discharge state during, Small flow pressure maintaining water supply is carried out by small flow pressure maintaining pipe 23 by auto-pneumatic cylinder 25 first, with the water supply need of satisfaction water spot 30 Ask, reduced with the regulating pondage of auto-pneumatic cylinder 25, the discharge pressure of outfall sewer 24 reduces, when detecting table by discharge pressure 26 when detecting that the discharge pressure of outfall sewer 24 goes out water number less than presetting constant pressure, and low-capacity pump 15 is by automatic start and presses The presetting constant pressure of lighting system goes out water number and carries out constant pressure water supply, and now water distribution motor-driven valve 19 is opened, bidirectional electric valve 22 closes Close, high-pressure check valve 17 automatically opens up, and the adjustable water of auto-pneumatic cylinder 25 will be low discharge by small flow high pressure sparge pipe 20 Pump 15 carry out water distribution, due to the low discharge low pressure sparge pipe 12 before low pressure check valves 13 hydraulic pressure less than low pressure check valves 13 it The hydraulic pressure of small flow high pressure sparge pipe 20 afterwards, low pressure check valves 13 will be closed, so as to cut off low-capacity pump 15 Fetched water by low discharge low pressure sparge pipe 12 from distribution main 9, air pressure is detected when switching pressure detecting table 21 by water distribution When the hydraulic pressure of water pot 25 is decreased below systemic presupposition fixed switching pressure value, water distribution motor-driven valve 19 will turn off and cut off small The water source of flow high pressure sparge pipe 20, now low pressure check valves 13 would automatically turn in the presence of water pressure difference and water flowing, this Sample low-capacity pump 15 will be fetched water by low discharge low pressure sparge pipe 12 from distribution main 9, match somebody with somebody electric work due to low-capacity pump 15 Rate matches somebody with somebody electrical power less than main pump 14, therefore the energy consumption in the running of low-capacity pump 15 will run energy well below main pump 14 Consumption, so as to reach the optimum energy-saving effect of the operation of the low-capacity pump 15 under low discharge state, run in addition when low-capacity pump 15 When, bidirectional electric valve 22 will always be in closed mode, when detect operation low-capacity pump 15 can not make going out for outfall sewer 24 When the constant pressure that it is fixed that water pressure maintains systemic presupposition goes out water number, will terminate low discharge state, now system will automatically switch based on Pump 14 runs and reached constant pressure water supply, low-capacity pump 15 will automatically exit from it is out of service, bidirectional electric valve 22 is opened automatically Open, and bidirectional electric valve 22 will be in opening all the time when low-capacity pump 15 is in halted state, be supervised when by flow When survey meter 28 detects flow less than presetting small flow rate values and continues 5s~30s any setting value, system is converted into Above-mentioned low discharge state supplies water, and so repeatedly, realizes the energy-efficient effect that low discharge state supplies water.

Meanwhile the discharge pressure of the discharge pressure detection on-line checking outfall sewer 24 of table 26, when detecting outfall sewer 24 Discharge pressure when going out water number less than the fixed constant pressure of systemic presupposition, the operating frequency of main pump 14 or low-capacity pump 15 will be lifted Frequency, so as to improve the discharge pressure of outfall sewer 24, when the discharge pressure for detecting outfall sewer 24 is determined higher than systemic presupposition Constant pressure when going out water number, the operating frequency of main pump 14 or the frequency of low-capacity pump 15 will be reduced, so as to reduce outfall sewer 24 discharge pressure, so regulation, maintain the fixed constant pressure of systemic presupposition by the discharge pressure for realizing outfall sewer 24 and go out all the time On water number, reach the effect of constant pressure water supply, and economize on electricity, energy-conservation；

When the intake pressure of running water water inlet pipe 1 is sufficient and goes out water number greater than or equal to the constant pressure that outfall sewer 24 is set, The main pump 14 of operation or low-capacity pump 15 will be controlled to shut down and into resting state, now system will be by bypass pipe 10 to water Point 30 directly supplies water, and is examined when in main pump 14 and low-capacity pump 15 in shutdown resting state and by discharge pressure detection table 26 When the constant pressure fixed less than systemic presupposition that measure the discharge pressure of outfall sewer 24 goes out water number, be main pump 14 first by automatic start and Recover normal water supply, when detecting flow less than presetting small flow rate values by flow monitoring meter 28 and continue 5s~30s's During any setting value, system is converted into above-mentioned low discharge state and supplied water, and is run in main pump 14 or system is in small When flow status supply water, because the outlet pressure of bypass check valve 11 is higher than its inlet pressure, bypass check valve 11 will be according to it Outlet pressure is closed higher than inlet pressure, so as to effectively prevent the water of outfall sewer 24 from forming to flow backwards.

The overpressure protection switch 27 is used to play outfall sewer 24 overpressure protection effect, is switched when by overpressure protection 27 detect the discharge pressure of outfall sewer 24 beyond the fixed overpressure protection value of systemic presupposition can not be effectively controlled when, surpass Pressure protection switch 27 will act and operating main pump 14 or low-capacity pump 15 is in halted state and alarm, when detecting When the discharge pressure of outfall sewer 24 constant pressure fixed less than systemic presupposition goes out water number, overpressure protection eliminates, and system will be recovered automatically For normal condition.

The auto-pneumatic cylinder 25 is used for low discharge water supply and energy saving, while provides press water when can also be worked for low-capacity pump 15 Source, to improve effective water supply volume of auto-pneumatic cylinder 25, in addition, auto-pneumatic cylinder 25 also has the function that voltage stabilizing and eliminates water hammer, When the start and stop of main pump 14, switching or with the flow instantaneous of water spot 30 mutation cause outfall sewer 24 discharge pressure fluctuate or flow send out During changing, the regulating pondage of auto-pneumatic cylinder 25 will play a part of buffering and adjust, and reach the effect of voltage stabilizing.

The switch board 29 is used to realize the functions such as the Automated condtrol of system, distribution, display, protection and alarm.

Claims (4)

1. one kind efficiently laminates intelligent water supply equipment mainly by steady flow compensator, negative pressure inhibition device, main pump, low discharge without negative pressure Pump, auto-pneumatic cylinder, flow monitoring meter and switch board composition, steady flow compensator are connected water inlet, steady flow compensation with running water water inlet pipe Device water outlet connects distribution main, and distribution main reconnects main pump water distribution, and main pump water outlet connects outfall sewer, and on outfall sewer Equipped with flow monitoring meter, outfall sewer is supplied water by connection after flow monitoring meter with water spot, and outfall sewer is in flow monitoring meter Discharge pressure detection table and overpressure protection switch are also equiped with before, it is characterised in that low discharge is also drawn on distribution main Low pressure sparge pipe connects low-capacity pump, and low-capacity pump water outlet connects low discharge forcing pipe, then total by low discharge forcing pipe and water outlet Pipe connects, and is equiped with low pressure check valves on the low discharge low pressure sparge pipe, is equiped with the low discharge forcing pipe small Flow check valve, small flow high pressure is also drawn on the low discharge low pressure sparge pipe before low-capacity pump, after low pressure check valves Sparge pipe, then auto-pneumatic cylinder is connected by small flow high pressure sparge pipe, along backwards to air pressure on the small flow high pressure sparge pipe The water (flow) direction of water pot is sequentially equiped with water distribution motor-driven valve and high-pressure check valve, and the water distribution motor-driven valve and auto-pneumatic cylinder it Between small flow high pressure sparge pipe on be additionally provided with water distribution switching pressure detecting table, between the water distribution motor-driven valve and auto-pneumatic cylinder Small flow high pressure sparge pipe on also draw small flow pressure maintaining pipe and be connected with outfall sewer, and on the small flow pressure maintaining pipe Equipped with bidirectional electric valve.

2. according to claim 1 efficiently laminate intelligent water supply equipment without negative pressure, it is characterised in that around the main pump and Low-capacity pump is additionally provided with bypass pipe connection between distribution main and outfall sewer, and bypass check valve is housed on bypass pipe.

3. according to claim 1 efficiently laminate intelligent water supply equipment without negative pressure, it is characterised in that in running water water inlet pipe On along water inlet water (flow) direction be equiped with vacuum table, filter and backflow preventer successively.

4. according to claim 1 efficiently laminate intelligent water supply equipment without negative pressure, it is characterised in that the intake pressure inspection Survey table, negative pressure inhibition device, main pump, low-capacity pump, water distribution motor-driven valve, water distribution switching pressure detecting table, bidirectional electric valve, water outlet pressure Power detection table, overpressure protection switch are covered with cable with flow monitoring meter and connect switch board respectively.