CN216379761U

CN216379761U - Full-automatic frequency-conversion constant-pressure water supply system

Info

Publication number: CN216379761U
Application number: CN202122926700.1U
Authority: CN
Inventors: 钟天长; 陈建声; 沈火池; 钟金荣
Original assignee: Xiamen Xingfu Environmental Technology Co ltd
Current assignee: Xiamen Xingfu Environmental Technology Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-04-26
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a full-automatic variable-frequency constant-pressure water supply system, and belongs to the technical field of water supply. The water supply system comprises a variable frequency control unit, a water supply main pipe and a surge tank, wherein the variable frequency control unit is communicated with the water supply main pipe, and the surge tank is communicated with the water supply main pipe; the surge tank includes a tank body and a partition board, the partition board will the tank body is separated for gaseous chamber and water storage chamber, be provided with a plurality of layers of cyclic annular slide in the water storage chamber, tank body chamber wall is provided with a plurality of spouts along vertical direction, the partition board with cyclic annular slide circumferencial direction set firmly with a plurality of sliders of spout complex arbitrary layer cyclic annular slide both sides have all set firmly the rubber inner bag, adjacent two the rubber inner bag intercommunication. Utilize the rubber inner bag through the successive layer, simultaneously when stabilizing water supply pipe pressure, the surge tank not only can utilize inside atmospheric pressure precipitation to discharge, has also utilized the gravity of baffle and cyclic annular slide to assist water pressure regulation, and water supply system internal pressure is stabilized to the efficient.

Description

Full-automatic frequency-conversion constant-pressure water supply system

Technical Field

The utility model relates to the field of water supply systems, in particular to a full-automatic variable-frequency constant-pressure water supply system.

Background

In daily life or industrial production, water supply at a constant pressure is required for normal work. When utilizing the booster pump to adjust delivery pipe water supply pressure among the water supply system, also can utilize the surge tank as a part of voltage regulator device to when the water consumption is less, adjust the pressure in the water supply pipe, realize effects such as energy-conservation, when adopting rubber diaphragm surge tank, the inner bag can only receive inside atmospheric pressure effect and realize the pressure adjustment to water supply system, and the inner bag utilization ratio can't reach the highest, finally influences the constant voltage stabilizing effect to water supply system.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a full-automatic variable-frequency constant-pressure water supply system, and the constant-pressure water supply effect of the final water supply system is improved by optimizing a pressure stabilizing tank.

In order to achieve the purpose, the utility model adopts the following technical scheme; the water supply system comprises a variable frequency control unit, a water supply main pipe and a surge tank, wherein the variable frequency control unit is communicated with the water supply main pipe, and the surge tank is communicated with the water supply main pipe; the pressure stabilizing tank comprises a tank body and a partition plate, the partition plate divides the tank body into a gas cavity and a water storage cavity, a plurality of layers of annular sliding plates are arranged in the water storage cavity, a plurality of sliding grooves are formed in the inner wall of the tank body in the vertical direction, and a plurality of sliding blocks matched with the sliding grooves are fixedly arranged in the circumferential direction of the partition plate and the annular sliding plates; rubber inner bags are fixedly arranged on two sides of any layer of annular sliding plate, and the adjacent two rubber inner bags are communicated

The variable frequency control unit comprises a vacuum diversion tank and a variable frequency unit, wherein the water inlet end of the vacuum diversion tank is communicated with an external water suction pool, the water outlet end of the vacuum diversion tank is communicated with the water inlet end of the variable frequency unit, and a water inlet gate valve is arranged between the water outlet end of the vacuum diversion tank and the variable frequency unit.

The utility model has the preferable technical scheme that the frequency conversion unit comprises a frequency conversion booster pump, a pressure sensor, a pressure gauge and an electric control cabinet, the pressure sensor and the pressure gauge are arranged on the water supply main pipe, the signal output end of the pressure sensor is connected with the electric control cabinet, and the signal output end of the electric control cabinet is connected with the frequency conversion booster pump.

The utility model has the preferable technical scheme that the variable frequency control unit is provided with a group, and one group is a standby group in normal operation.

The utility model has the preferable technical scheme that a check valve and a water outlet gate valve are sequentially arranged between the variable-frequency booster pump and the water supply main pipe according to the water flow direction.

The utility model has the preferable technical scheme that a surge tank maintenance valve is arranged between the surge tank and the water supply main pipe so as to check and maintain the state of the surge tank in time.

The utility model has the preferable technical scheme that the bottom of the pressure stabilizing tank is provided with the supporting legs so as to ensure that the pressure stabilizing tank can be vertically installed.

The utility model has the beneficial effects that:

(1) the whole tank body is divided into a gas cavity and a water storage cavity by a partition plate, a plurality of layers of annular sliding plates are arranged in the water storage cavity, the partition plate and the annular sliding plates can slide along the inside of the tank body, rubber inner bags are fixedly arranged on two sides of each layer of annular sliding plate, and two adjacent rubber inner bags are communicated; the whole water storage cavity is divided into a plurality of small cavities by the annular sliding plate, when water is not stored, the partition plate and the annular sliding plate can be pressed at the bottom of the pressure stabilizing tank due to self gravity, rubber inner bags can be utilized layer by layer during subsequent water storage, and meanwhile when the pressure of the water supply pipe is stabilized, the pressure stabilizing tank can be discharged by utilizing internal air pressure precipitation, and the gravity of the partition plate and the annular sliding plate is utilized to assist water pressure regulation, so that the effect of efficiently stabilizing the internal pressure of the water supply system is achieved;

(2) through PLC control of the electric control cabinet, various constant-pressure variable control modes are realized, so that pressure floating is stabilized within +/-0.1 bar;

(3) the device is installed in a modularized way, the device is supplied in an integrated form, and a user only needs to fix the whole device base on the use site, so that the device can be installed according to each module;

drawings

FIG. 1 is a plan view of the working principle of a fully automatic variable frequency constant pressure water supply system provided in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of section a-a of FIG. 1 in an embodiment of the present invention;

FIG. 3 is a cross-sectional view of section b-b of FIG. 1 in an embodiment of the present invention;

FIG. 4 is a schematic illustration of a surge tank in accordance with an embodiment of the present invention;

FIG. 5 is a cross-sectional view of section c-c of FIG. 4 in an embodiment of the present invention

In the figure:

1. a variable frequency control unit; 2. a water supply main pipe; 3. a surge tank; 31. a tank body; 32. a partition plate; 301. a gas chamber; 302. a water storage cavity; 33. an annular slide plate; 311. a chute; 321. a slider; 34. a rubber inner bag; 11. a vacuum water diversion tank; 12. a frequency conversion unit; 111. a water inlet gate valve; 121. a variable frequency booster pump; 122. a pressure sensor; 123. a pressure gauge; 124. an electric control cabinet; 125. a check valve; 126. a water outlet gate valve; 13. a surge tank service valve; 14. and (7) supporting legs.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

The embodiment provides a full-automatic variable-frequency constant-pressure water supply system, which comprises a variable-frequency control unit 1, a water supply main pipe 2 and a pressure stabilizing tank 3, wherein the variable-frequency control unit 1 is communicated with the water supply main pipe 2, and the pressure stabilizing tank 3 is communicated with the water supply main pipe 2; the pressure stabilizing tank 3 comprises a tank body 31 and a partition plate 32, the partition plate 32 divides the tank body 31 into a gas cavity 301 and a water storage cavity 302, a plurality of layers of annular sliding plates 33 are arranged in the water storage cavity 302, a plurality of sliding grooves 311 are arranged on the inner wall of the tank body 31 along the vertical direction, and a plurality of sliding blocks 321 matched with the sliding grooves 311 are fixedly arranged in the circumferential direction of the partition plate 32 and the annular sliding plates 33; rubber inner bags 34 are fixedly arranged on two sides of any layer of annular sliding plate 33, and the two adjacent rubber inner bags 34 are communicated. When the initial does not have the retaining, because self gravity, baffle 32 and cyclic annular slide plate 33 can press in surge tank 1 bottom, and surge tank 1 during operation can utilize 34 retaining of rubber inner bag layer by layer, and when the 2 pressures in the main pipe of stable water supply, surge tank 1 not only can utilize inside atmospheric pressure precipitation to discharge, has also utilized the supplementary water pressure of gravity of baffle 32 and cyclic annular slide plate 33 to adjust, plays the effect of the inside pressure of the stable water supply system of efficient promptly.

In order to realize water diversion from the outside, preferably, the variable frequency control unit 1 comprises a vacuum water diversion tank 11 and a variable frequency unit 12, a water inlet end of the vacuum water diversion tank 11 is communicated with the external water suction pool, a water outlet end of the vacuum water diversion tank 11 is communicated with a water inlet end of the variable frequency unit 12, and a water inlet gate valve 111 is arranged between the water outlet end of the vacuum water diversion tank 11 and the variable frequency unit 12.

For the purpose of realizing frequency conversion control and energy saving of water inflow, preferably, the frequency conversion unit 12 includes a frequency conversion booster pump 121, a pressure sensor 122, a pressure gauge 123 and an electric control cabinet 124, the pressure sensor 122 and the pressure gauge 123 are installed on the water supply main pipe 2, a signal output end of the pressure sensor 122 is connected with the electric control cabinet 124, and a signal output end of the electric control cabinet 124 is connected with the frequency conversion booster pump 121. The variable frequency control unit 1 is provided with 4 groups, one group is a standby group during normal operation, and constant pressure is always output by changing the rotating speed and the group number of the pump when different flow requirements from zero to the maximum are met. When the water consumption is extremely small, the system can supply water through a pressure stabilizing tank or run at low rotation speed and low energy consumption by adopting a pump.

Preferably, a check valve 125 and a water outlet gate valve 126 are sequentially disposed between the variable frequency booster pump 121 and the water supply main pipe 2 in the water flow direction. To communicate the frequency conversion unit 12 with the water main 2.

Preferably, a surge tank service valve 13 is provided between the surge tank 3 and the water supply main pipe 2 so as to check and maintain the state of the surge tank 3 in time.

In order to save space, it is preferable that the bottom of the surge tank 3 is provided with legs 14 to ensure that the surge tank 3 can be installed vertically.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. Full-automatic frequency conversion constant pressure water supply system, its characterized in that:

the water supply system comprises a variable frequency control unit (1), a water supply main pipe (2) and a pressure stabilizing tank (3), wherein the variable frequency control unit (1) is communicated with the water supply main pipe (2), and the pressure stabilizing tank (3) is communicated with the water supply main pipe (2);

the pressure stabilizing tank (3) comprises a tank body (31) and a partition plate (32), the partition plate (32) divides the tank body (31) into a gas cavity (301) and a water storage cavity (302), a plurality of layers of annular sliding plates (33) are arranged in the water storage cavity (302), a plurality of sliding grooves (311) are formed in the inner wall of the tank body (31) along the vertical direction, and a plurality of sliding blocks (321) matched with the sliding grooves (311) are fixedly arranged in the circumferential direction of the partition plate (32) and the annular sliding plates (33);

rubber inner bags (34) are fixedly arranged on two sides of any layer of the annular sliding plate (33), and every two adjacent rubber inner bags (34) are communicated.

2. The fully automatic variable frequency constant pressure water supply system according to claim 1, wherein:

the variable frequency control unit (1) comprises a vacuum water diversion tank (11) and a variable frequency unit (12), wherein the water inlet end of the vacuum water diversion tank (11) is communicated with an external water suction pool, the water outlet end of the vacuum water diversion tank (11) is communicated with the water inlet end of the variable frequency unit (12), and a water inlet gate valve (111) is arranged between the water outlet end of the vacuum water diversion tank (11) and the variable frequency unit (12).

3. The fully automatic variable frequency constant pressure water supply system according to claim 2, wherein:

frequency conversion unit (12) include frequency conversion booster pump (121), pressure sensor (122), manometer (123) and automatically controlled cabinet (124), pressure sensor (122) with manometer (123) install in on the water supply is responsible for (2), pressure sensor (122) signal output part with automatically controlled cabinet (124) are connected, automatically controlled cabinet (124) signal output part with frequency conversion booster pump (121) are connected.

4. The fully automatic variable frequency constant pressure water supply system according to claim 2, wherein:

the frequency conversion control unit (1) is provided with 4 groups, and one group is a standby group during normal operation.

5. The fully automatic variable frequency constant pressure water supply system according to claim 3, wherein:

the variable frequency booster pump (121) with be provided with check valve (125) and outlet gate valve (126) according to the rivers direction in proper order between the water supply main pipe (2).

6. The fully automatic variable frequency constant pressure water supply system according to claim 1, wherein:

and a surge tank maintenance valve (13) is arranged between the surge tank (3) and the water supply main pipe (2) so as to check and maintain the state of the surge tank (3) in time.

7. The fully automatic variable frequency constant pressure water supply system according to claim 1, wherein:

the bottom of the surge tank (3) is provided with supporting legs (14) to ensure that the surge tank (3) can be vertically installed.