CN214090125U

CN214090125U - Sectional type intelligent non-negative pressure water supply equipment

Info

Publication number: CN214090125U
Application number: CN202023100407.1U
Authority: CN
Inventors: 严新华; 崔亦农
Original assignee: Shanghai Kechu Machinery Group Co ltd
Current assignee: Shanghai Kechu Machinery Group Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-08-31
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a no negative pressure water supply equipment of sectional type intelligence relates to the water supply equipment field, and to the problem that current high-rise secondary water supply equipment weakens because of the great energy-conserving advantage of no negative pressure water supply equipment that leads to of operating pressure, the following scheme is put forward now, it includes spherical water tank, spherical water tank's bottom is provided with the water pump, just spherical water tank both sides are provided with liquid level switch and water tank respectively, one side of liquid level switch is provided with the air extractor, just it is provided with first motorised valve to match between spherical water tank and the water pump, the water inlet sealing connection of liquid level switch has main water pipe, just main water pipe seals to have concatenated the second motorised valve. The utility model discloses novel structure, the device energy-efficient, degree of automation is high and the safety and stability, has effectually satisfied high-rise water demand, has solved the problem that current high-rise secondary water supply equipment weakens because of the great energy-conserving advantage of no negative pressure water supply equipment that leads to of operating pressure.

Description

Sectional type intelligent non-negative pressure water supply equipment

Technical Field

The utility model relates to a water supply equipment field especially relates to segmented intelligence does not have negative pressure water supply equipment.

Background

The non-negative-pressure water supply equipment is characterized in that a municipal pipe network is used as a water source, pressurization is carried out on the basis of the original pressure of the municipal pipe network to form a closed and continuous pressurization water supply mode, and water is supplied to an open water pool or a water tank (once the municipal pipe network is connected to an open environment, the pressure of water discharged by the municipal pipe network is reduced to zero).

The existing high-rise water supply secondary supercharging equipment is generally built underground in order not to occupy the building space, but when the floor height is relatively high, the operating power of the supercharging equipment needs to be greatly increased, so that the advantages of the original non-negative pressure water supply equipment on low energy consumption and low noise are weakened, and therefore a water tank water supply mode arranged on the roof also exists at present, water is supplemented through a night time period with lower water pressure, and the water is used by high-rise users in the daytime, but the energy consumption performance of the high-rise water supply secondary supercharging equipment still needs to depend on strong secondary water supply equipment, and the floor height which can be met is still very limited, so that the segmented intelligent non-negative pressure water supply equipment is provided for solving the problems.

Disclosure of Invention

The utility model provides a there is not negative pressure water supply equipment of sectional type intelligence has solved the problem that current high-rise secondary water supply equipment weakens because of the great energy-conserving advantage of no negative pressure water supply equipment that leads to of operating pressure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the sectional type intelligent non-negative pressure water supply equipment comprises a spherical water tank, a water pump is arranged at the bottom end of the spherical water tank, a liquid level switch and a water tank are respectively arranged at the two sides of the spherical water tank, an air extractor is arranged at one side of the liquid level switch, a first electric valve is arranged between the spherical water tank and the water pump in a matching way, the water inlet of the liquid level switch is connected with a main water pipe in a sealing way, and the main water pipe is connected with a second electric valve in series in a sealing way, a spherical cavity is arranged in the spherical water tank, an air bag is arranged in the spherical cavity, a column cavity is arranged in the liquid level switch, a second air pipe is arranged between the air bag and the top end of the liquid level switch, and the second air pipe is connected with a third electric valve and a pressure sensor in series in a sealing manner, an output water pipe is arranged between the water outlet at the top end of the spherical water tank and the water inlet of the water tank, and the output water pipe is connected with a fourth electric valve in series in a sealing manner.

Preferably, the water inlet of the water pump is communicated with the main water pipe, the second air pipe penetrates through the spherical water tank, and the second air pipe is communicated with the air bag and the column cavity.

Preferably, the column cavity is provided with a first air pipe, a liquid level float and a safety seat in a matching manner, the first air pipe is made of stainless steel, and the bottom end of the first air pipe penetrates through the liquid level switch and is in sealing connection with an air suction opening of the air extractor.

Preferably, the liquid level float is in sliding sleeve joint with the first air pipe, and the safety seat is located at the top end of the liquid level float.

Preferably, the top end of the liquid level float is frustum-shaped, and the bottom end of the safety seat is provided with a conical groove matched with the liquid level float.

Preferably, a low liquid level sensor, a high liquid level sensor and an alarm sensor are sequentially arranged between the liquid level float and the safety seat from low to high.

The utility model has the advantages that:

1. the device is built on the top of a high-rise building and is isolated from users to effectively reduce noise influence, municipal pipe network water pressure is utilized for secondary water supply of the building, and the device further applies force on the basis of secondary water supply, so that the water pressure is increased again to meet the requirement of high-rise water use, the power of water supply equipment of the high-rise building is effectively reduced, and low efficiency and high energy consumption caused by secondary water supply difficulty are reduced.

2. The device is ingenious to have utilized the suction effect of negative pressure, through each group of motorised valve and liquid level switching device's cooperation, the control liquid level reaches the starting condition of water pump for the water pump is started safely steadily and is realized high-rise water supply.

3. The device is high-rise water of water pump continuous operation assurance daytime, and the unnecessary flow that the daytime water pump produced gets into the water tank through delivery tube and fourth motorised valve and keeps in, gets into the reduction of water consumption night later, then closes the water pump, only uses the water tank to supply water for high-rise, and the device is energy-efficient.

4. If the device breaks down, lead to equipment start-up in-process liquid level to continuously rise, then can make the liquid level float the position of going up to the warning inductor, the warning inductor is floated the liquid level and then equipment is shut down by force and is informed relevant personnel to overhaul, floats to connect sealed with the safety seat cover through the liquid level simultaneously, prevents in water gets into the air extractor, protection gas circuit equipment safety.

In conclusion, the device is efficient, energy-saving, high in automation degree, safe and stable, effectively meets the requirement of high-rise water utilization, and solves the problem that the energy-saving advantage of the existing high-rise secondary water supply equipment is weakened due to the fact that the operating pressure is high and the negative pressure-free water supply equipment is not used.

Drawings

Fig. 1 is a schematic view of the appearance structure of the present invention.

Fig. 2 is a sectional view showing an internal structure of the water supply apparatus of the present invention.

Fig. 3 is an enlarged view of a structure in fig. 2 according to the present invention.

Reference numbers in the figures: 1. a spherical water tank; 2. a water pump; 3. a liquid level switch; 4. an air extractor; 5. a water tank; 6. a first electrically operated valve; 7. a main water pipe; 8. a second electrically operated valve; 9. a column cavity; 10. a first air pipe; 11. the liquid level is floating; 12. a safety seat; 13. a second air pipe; 14. a third electrically operated valve; 15. a low level sensor; 16. a high liquid level sensor; 17. an alarm sensor; 18. a spherical cavity; 19. an air bag; 20. a pressure sensor; 21. an output water pipe; 22. a fourth electrically operated valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the sectional type intelligent non-negative pressure water supply equipment comprises a spherical water tank 1, a water pump 2 is arranged at the bottom end of the spherical water tank 1, a liquid level switch 3 and a water tank 5 are respectively arranged at two sides of the spherical water tank 1, an air extractor 4 is arranged at one side of the liquid level switch 3, a first electric valve 6 is arranged between the spherical water tank 1 and the water pump 2 in a matching manner, a main water pipe 7 is connected at a water inlet of the liquid level switch 3 in a sealing manner, a second electric valve 8 is connected in series with the main water pipe 7 in a sealing manner, a spherical cavity 18 is arranged in the spherical water tank 1, an air bag 19 is arranged in the spherical cavity 18, a column cavity 9 is arranged in the liquid level switch 3, a second air pipe 13 is arranged between the air bag 19 and the top end of the liquid level switch 3, a third electric valve 14 and a pressure sensor 20 are connected in series with the second air pipe 13 in a sealing manner, an output water pipe 21 is arranged between a water outlet at the top end of the spherical water tank 1 and a water inlet of the water tank 5, and the output water pipe 21 is connected in series with a fourth electric valve 22 in a sealing way, the water inlet of the water pump 2 is communicated with the main water pipe 7, and the second air pipe 13 penetrates through the spherical water tank 1, the second air pipe 13 is communicated with the air bag 19 and the column-shaped cavity 9, a first air pipe 10, a liquid level float 11 and a safety seat 12 are arranged in the column cavity 9 in a matching way, the first air pipe 10 is made of stainless steel, the bottom end of the first air pipe 10 penetrates through the liquid level switch 3 and is hermetically connected with the air suction port of the air extractor 4, the liquid level float 11 is sleeved with the first air pipe 10 in a sliding way, the safety seat 12 is positioned at the top end of the liquid level float 11, the top end of the liquid level float 11 is in a frustum shape, and the bottom of the safety seat 12 is provided with a conical groove matched with the liquid level float 11, and a low liquid level sensor 15, a high liquid level sensor 16 and an alarm sensor 17 are sequentially arranged between the liquid level float 11 and the safety seat 12 from low to high.

The working principle is as follows: the device is a non-negative pressure water supply device which is arranged on the top of a high-rise building, is matched with secondary water supply and reduces the pressure of the secondary water supply;

the working process of the device is as follows: when the pressure of the secondary water supply equipment positioned in the basement cannot meet the requirement of high-rise water pressure, the water level of the main water pipe 7 cannot reach the high rise, the first electric valve 6 and the third electric valve 14 are closed, the second electric valve 8 is opened, the air extractor 4 is started to extract air, so that the air in the main water pipe 7 is extracted through the column cavity 9 and the first air pipe 10 to generate negative pressure, the liquid level in the main water pipe 7 is rapidly increased through the negative pressure assistance, the liquid level in the main water pipe 7 continuously rises and finally flows into the pump cavity of the water pump 2 and the liquid level switch 3, the liquid level continues to rise in the column cavity 9, so that the liquid level float 11 departs from the low liquid level sensor 15 to float upwards, when the liquid level float 11 floats to the high liquid level sensor 16, the third electric valve 14 is opened and the second electric valve 8 is closed, because the air in the air bag 19 is extracted through the second air pipe 13, low air pressure is formed in the spherical cavity (18), the first electric valve 6 is opened and the water pump 2 is started, the liquid level quickly and completely submerges the pump cavity of the water pump 2 under the assistance of negative pressure in the spherical water tank 1, so that the water pump 2 can be safely started, the water pump 2 is in power communication (one pressure and one pumping) with underground secondary water supply equipment at the moment, the water pump 2 continuously works in daytime to ensure high-rise water use, redundant flow generated by the water pump 2 in daytime enters the water tank 5 for temporary storage through the output water pipe 21 and the fourth electric valve 22, the water consumption is reduced after the water enters night, the water pump 2 is closed, and the water tank 5 is only used for supplying water to the high-rise;

if the device breaks down, lead to equipment start-up in-process liquid level to continuously rise, then can make the liquid level float 11 come-up to the position of warning inductor 17, warning inductor 17 once senses that the liquid level floats 11 then equipment is shut down by force and is informed relevant personnel and overhaul, floats 11 through the liquid level simultaneously and cup joints with insurance seat 12 and seals, prevents in water gets into air extractor 4, protection gas circuit equipment safety.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Sectional type intelligence does not have negative pressure water supply equipment, including spherical water tank (1), its characterized in that, the bottom of spherical water tank (1) is provided with water pump (2), just spherical water tank (1) both sides are provided with liquid level switch (3) and water tank (5) respectively, one side of liquid level switch (3) is provided with air extractor (4), just it is provided with first motorised valve (6) to match between spherical water tank (1) and water pump (2), the water inlet sealing connection of liquid level switch (3) has main water pipe (7), and main water pipe (7) sealed concatenation has second motorised valve (8), spherical chamber (18) have been seted up in spherical water tank (1), and be provided with gasbag (19) in spherical chamber (18), post die cavity (9) has been seted up in liquid level switch (3), be provided with second trachea (13) between the top of gasbag (19) and liquid level switch (3), and the second air pipe (13) is connected with a third electric valve (14) and a pressure sensor (20) in series in a sealing manner, an output water pipe (21) is arranged between a water outlet at the top end of the spherical water tank (1) and a water inlet of the water tank (5), and the output water pipe (21) is connected with a fourth electric valve (22) in series in a sealing manner.

2. The segmented intelligent non-negative pressure water supply equipment according to claim 1, wherein the water inlet of the water pump (2) is communicated with a main water pipe (7), the second air pipe (13) penetrates through the spherical water tank (1), and the second air pipe (13) is communicated with the air bag (19) and the columnar cavity (9).

3. The sectional type intelligent non-negative pressure water supply equipment according to claim 1, wherein a first air pipe (10), a liquid level float (11) and a safety seat (12) are arranged in the column cavity (9) in a matching manner, the first air pipe (10) is made of stainless steel, and the bottom end of the first air pipe (10) penetrates through the liquid level switch (3) and is in sealing connection with an air suction opening of the air extractor (4).

4. The segmented intelligent non-negative-pressure water supply device according to claim 3, wherein the liquid level float (11) is slidably sleeved with the first air pipe (10), and the safety seat (12) is positioned at the top end of the liquid level float (11).

5. The segmented intelligent non-negative pressure water supply equipment according to claim 3, wherein the top end of the liquid level float (11) is in a frustum shape, and the bottom end of the safety seat (12) is provided with a conical groove matched with the liquid level float (11).

6. The segmented intelligent non-negative-pressure water supply equipment according to claim 3, wherein a low liquid level sensor (15), a high liquid level sensor (16) and an alarm sensor (17) are arranged between the liquid level float (11) and the safety seat (12) in sequence from low to high.