CN218175995U

CN218175995U - Constant-pressure water supply control system

Info

Publication number: CN218175995U
Application number: CN202221522460.7U
Authority: CN
Inventors: 史俊; 郑小飞; 章冬
Original assignee: Wuhan Zhifengchen Electric Co ltd
Current assignee: Wuhan Zhifengchen Electric Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-12-30
Anticipated expiration: 2032-06-17

Abstract

The utility model provides a constant voltage water supply control system, including PLC automatic control, inlet manifold, outlet manifold, house steward control valve, cistern and a plurality of frequency conversion water pump, frequency conversion water pump's business turn over water end is connected with inlet manifold and outlet manifold respectively, inlet manifold's water inlet sets up in the cistern, outlet manifold's delivery port is connected on inlet manifold and is linked together with inlet manifold is inside, inlet manifold and outlet manifold are linked together, house steward control valve is connected between inlet manifold and outlet manifold, house steward control valve is used for controlling outlet manifold's water yield, outlet manifold's inside is equipped with pressure sensor, pressure sensor is connected with PLC automatic control electricity, PLC automatic control is connected with a plurality of frequency conversion water pump electricity. The system can automatically supply water at constant pressure, realizes stable water pressure, replaces a field manual operation water pump, improves the stability and safety of the system, saves human resources, and can improve the regulation efficiency of water consumption of users.

Description

Constant-pressure water supply control system

Technical Field

The utility model relates to a water supply equipment technical field particularly, relates to a constant pressure water supply control system.

Background

China is the country with the most population in the world, the population base is large, the per-capita resource occupancy rate is low, and the water use efficiency is very low. The waste of water resources is serious, the pollution is serious, and the utilization amount of non-traditional water resources such as seawater, reclaimed water and the like is less. Therefore, the reasonable utilization of water resources is always a serious and urgent subject.

In the traditional way of adjusting the water supply pressure, a way of manually starting/stopping the water pump is mostly adopted, which easily causes waste of human resources, so that the operation of the water pump is automatically controlled, which is a technical problem to be solved urgently by technical personnel in the field; once a general water pump is started, the water pump runs at full load, when the water consumption end is less, the water supply mode is completely unmatched with the water consumption, the waste of electric energy and water resources can be caused, and meanwhile, the pressure in a pipeline cannot be constant; when the water consumption end is more, the pressure is insufficient easily, and the constant pressure for normal use can not be provided for the water consumption end. And the water supply system is adjusted only by the water pump, and the water consumption adjusting efficiency of a user is general.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a constant voltage water supply control system, and this system solves automatic constant voltage water supply, realizes that water pressure is stable, replaces on-the-spot manually operation water pump, improves system's stability, security, practices thrift manpower resources, can improve the regulation efficiency of user's water consumption moreover.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a constant voltage water supply control system, includes PLC automatic control, inlet manifold, outlet manifold, house steward control valve, cistern and a plurality of frequency conversion water pumps, the end of intaking of frequency conversion water pump is connected with water inlet branch pipe, water inlet branch pipe's water inlet setting is in the cistern, frequency conversion water pump's outlet end is connected with outlet branch pipe, outlet branch pipe's delivery port is connected on inlet manifold and is linked together with the inlet manifold is inside, inlet manifold and outlet manifold are linked together, house steward control valve is connected between inlet manifold and the outlet manifold, house steward control valve is used for controlling outlet manifold's water yield, outlet manifold's inside is equipped with pressure sensor, pressure sensor is connected with PLC automatic control electricity, PLC automatic control is connected with a plurality of frequency conversion water pumps electricity.

The utility model has the advantages that: when the system works, a water pressure signal of the pressure sensor is transmitted to the PLC automatic controller, after the PLC automatic controller is subjected to operation processing, a control instruction is sent again to control the number of working stations of the variable-frequency water pump and the rotating speed of the impeller of the water pump, so that the water pressure inside the main pipe is adjusted, the water outlet quantity of the water outlet main pipe is adjusted and controlled through the main pipe control valve, stable water supply pressure is realized, the water supply quantity of a user is ensured, the water consumption adjusting efficiency is improved, automatic constant-pressure water supply is realized, the field manual operation of the water pump is replaced, the stability and the safety of the system are improved, and human resources are saved.

Preferably, the main pipe control valve comprises a valve body, a valve cavity and a water passing channel are arranged in the valve body, the water passing channel is used for communicating the water inlet main pipe with the water outlet main pipe, a valve penetrating into the water passing channel is movably arranged in the valve cavity, and the valve is used for adjusting the section size of the water passing channel. Through adopting above-mentioned structure, when the cross-sectional dimension of valve regulation water channel, can change water channel's aperture, realize effective control water outlet main's water yield for guarantee user's water supply quantity improves and supplies water regulation efficiency.

Preferably, a connecting through hole is formed between the valve cavity and the water passing channel, the valve is arranged in the connecting through hole in a sliding mode, a sliding block, a screw rod and a driving motor are further arranged in the valve cavity, the sliding block is sleeved on the screw rod in a threaded mode, the sliding block is fixedly connected with the top of the valve, an output shaft of the driving motor is connected with the screw rod, the driving motor is used for driving the screw rod to rotate around the axis of the driving motor, the sliding block moves on the screw rod to drive the valve to enter or exit the water passing channel, the driving motor is fixedly installed in the valve cavity, and the driving motor is electrically connected with the PLC automatic controller. Through adopting above-mentioned structure, when PLC automatic control ware control command is carried for driving motor, the positive and negative rotation work of output shaft of control driving motor makes the screw rod rotate around self axis, makes the slider move on the screw rod, drives the valve and can get into or withdraw from water passageway to effectively adjust the aperture of water passageway, structural connection and control are stable, improve valve control efficiency.

Preferably, a guide rod for guiding the sliding block is arranged in the valve cavity, and the arrangement direction of the guide rod is parallel to the extension direction of the connecting through hole. Through adopting above-mentioned structure, make the slip of slider stable, improve the mobility stability of valve.

Preferably, the water inlet of the water inlet branch pipe is arranged close to the bottom of the water storage tank. Through adopting above-mentioned structure, avoid the water of cistern bottom to be detained, the mobility of guarantee cistern internal water improves quality of water.

Preferably, a water level sensor for measuring the water level is arranged in the water storage tank, an alarm is arranged outside the water storage tank, and the water level sensor is electrically connected with the alarm. Through adopting above-mentioned structure, level sensor carries the water level signal in with the cistern for the alarm, and when the water level was less than or exceeded the early warning value, the alarm sent alarm signal, makes things convenient for the staff to the water level control of cistern, guarantee water consumption and water supply pressure.

Preferably, pressure sensor passes through location portion and sets up in the water main, location portion includes location branch pipe, end cover and erection column, the location branch pipe is fixed to be set up on the pipe wall of water main, the location branch pipe can be dismantled with the end cover and be connected, erection column one end and end cover fixed connection, the erection column other end penetrates in the water main and pressure sensor fixed connection, be equipped with the sealing member between location branch pipe and the end cover. Through adopting above-mentioned structure, make pressure sensor get into the water main through the location branch pipe fast in, end cover and sealing member can prevent that water from leaking in the water main, and the erection column can improve pressure sensor's the stability that sets up, and the location branch pipe can be dismantled with the end cover simultaneously and be connected, conveniently changes pressure sensor, improves pressure monitoring precision.

Preferably, the positioning branch pipe is in threaded connection with the end cover, and a sealing ring is arranged at the threaded connection position of the positioning branch pipe and the end cover. Through adopting above-mentioned structure, make the dismouting of end cover more convenient, sealing washer simple structure is favorable to improving sealed reliability.

Drawings

Fig. 1 is a schematic structural view of a constant pressure water supply control system of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

description of the reference numerals:

1. a PLC automatic controller; 2. a water inlet main pipe; 3. a water outlet main pipe; 4. a main pipe control valve; 41. a valve body; 42. a valve cavity; 43. a water passage; 44. a valve; 45. a connecting through hole; 46. a slider; 47. a screw; 48. a drive motor; 49. a guide rod; 5. a reservoir; 6. a variable frequency water pump; 61. a water inlet branch pipe; 62. a water outlet branch pipe; 7. a pressure sensor; 8. a water level sensor; 9. an alarm; 10. a positioning part; 101. positioning the branch pipe; 102. an end cap; 103. and (6) mounting the column.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-2, the utility model provides a constant voltage water supply control system, including PLC automatic control 1, intake manifold 2, outfall sewer 3, house steward control valve 4, cistern 5 and a plurality of frequency conversion water pump 6, the end of intaking of frequency conversion water pump 6 is connected with intake branch 61, intake branch 61's water inlet sets up in cistern 5, the play water end of frequency conversion water pump 6 is connected with outlet branch 62, outlet branch 62's delivery port is connected on intake manifold 2 and is linked together with intake manifold 2 is inside, intake manifold 2 is linked together with outfall sewer 3, house steward control valve 4 is connected between intake manifold 2 and the outfall sewer 3, house steward control valve 4 is used for controlling outfall sewer 3's water yield, outfall sewer 3's inside is equipped with pressure sensor 7, pressure sensor 7 is connected with PLC automatic control 1 electricity, PLC automatic control 1 is connected with a plurality of frequency conversion water pump 6 electricity.

Specifically, house steward control valve 4 includes valve body 41, be equipped with valve chamber 42 and water passageway 43 in the valve body 41, water passageway 43 is used for communicating water inlet manifold 2 and water outlet manifold 3, valve chamber 42 internalization is equipped with the valve 44 that penetrates in water passageway 43, valve 44 is used for adjusting water passageway 43's cross sectional dimension, be equipped with connect the via hole 45 between valve chamber 42 and the water passageway 43, valve 44 slides and sets up in connect the via hole 45, still be equipped with slider 46, screw rod 47 and driving motor 48 in the valve chamber 42, slider 46 threaded sleeve establishes on screw rod 47, slider 46 and valve 44's top fixed connection, driving motor 48's output shaft and screw rod 47 are connected, driving motor 48 is used for driving screw rod 47 to rotate around self axis, makes slider 46 move on screw rod 47 and drive valve 44 can get into or withdraw from water passageway 43, driving motor 48 fixed mounting is in the valve chamber 42, driving motor 48 is connected with PLC automatic controller 1 electricity.

In order to improve the movement stability of the valve 44, a guide rod 49 for guiding the slider 46 is arranged in the valve cavity 42, and the direction of the guide rod 49 is parallel to the extending direction of the connecting through hole 45.

In order to prevent water at the bottom of the water storage tank 5 from being retained, the water inlet of the water inlet branch pipe 61 is arranged close to the bottom of the water storage tank 5, so that the water mobility in the water storage tank 5 is guaranteed, and the water quality is improved.

In order to enable the staff to effectively monitor the water quantity in the reservoir 5, a water level sensor 8 used for measuring the water level is arranged in the reservoir 5, an alarm 9 is arranged outside the reservoir 5, the water level sensor 8 is electrically connected with the alarm 9, and when the water level is lower than or exceeds an early warning value, the alarm 9 can send out an alarm signal.

In order to improve pressure sensor 7's stability of setting, pressure sensor 7 passes through location portion 10 and sets up in the water main 3, location portion 10 includes location branch pipe 101, end cover 102 and erection column 103, location branch pipe 101 is fixed to be set up on water main 3's pipe wall, location branch pipe 101 can be dismantled with end cover 102 and be connected, erection column 103 one end and end cover 102 fixed connection, the erection column 103 other end penetrates in water main 3 with pressure sensor 7 fixed connection, location branch pipe 101 and end cover 102 threaded connection, location branch pipe 101 and end cover 102's threaded connection department is equipped with the sealing washer.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.

Claims

1. The utility model provides a constant voltage water supply control system, its characterized in that, includes PLC automatic control (1), inlet manifold (2), outlet manifold (3), house steward control valve (4), cistern (5) and a plurality of frequency conversion water pump (6), the end of intaking of frequency conversion water pump (6) is connected with inlet branch pipe (61), the water inlet setting of inlet branch pipe (61) is in cistern (5), the play water end of frequency conversion water pump (6) is connected with outlet branch pipe (62), the delivery port of outlet branch pipe (62) is connected on inlet manifold (2) and is linked together with inlet manifold (2) inside, inlet manifold (2) and outlet manifold (3) are linked together, house steward control valve (4) are connected between inlet manifold (2) and outlet manifold (3), house steward control valve (4) are used for controlling the water yield of outlet manifold (3), the inside of outlet manifold (3) is equipped with pressure sensor (7), pressure sensor (7) are connected with PLC automatic control (1) electricity, a plurality of frequency conversion water pump (6) electricity are connected.

2. The constant-pressure water supply control system as claimed in claim 1, wherein the header control valve (4) comprises a valve body (41), a valve cavity (42) and a water passing channel (43) are arranged in the valve body (41), the water passing channel (43) is used for communicating the water inlet header (2) and the water outlet header (3), a valve (44) penetrating into the water passing channel (43) is movably arranged in the valve cavity (42), and the valve (44) is used for adjusting the section size of the water passing channel (43).

3. The constant-pressure water supply control system according to claim 2, wherein a connecting through hole (45) is formed between the valve cavity (42) and the water passing channel (43), the valve (44) is slidably arranged in the connecting through hole (45), a sliding block (46), a screw rod (47) and a driving motor (48) are further arranged in the valve cavity (42), the sliding block (46) is sleeved on the screw rod (47) in a threaded manner, the sliding block (46) is fixedly connected with the top of the valve (44), an output shaft of the driving motor (48) is connected with the screw rod (47), the driving motor (48) is used for driving the screw rod (47) to rotate around the axis of the driving motor, so that the sliding block (46) moves on the screw rod (47) to drive the valve (44) to enter or exit the water passing channel (43), the driving motor (48) is fixedly arranged in the valve cavity (42), and the driving motor (48) is electrically connected with the PLC automatic controller (1).

4. The constant pressure water supply control system according to claim 3, wherein a guide rod (49) for guiding the slider (46) is provided in the valve chamber (42), and the guide rod (49) is provided in a direction parallel to the extending direction of the connecting through hole (45).

5. The constant pressure water supply control system as claimed in any one of claims 1 to 4, wherein the water inlet of the water inlet branch pipe (61) is provided near the bottom of the water reservoir (5).

6. The constant-pressure water supply control system according to any one of claims 1-4, wherein a water level sensor (8) for measuring the water level is arranged in the reservoir (5), an alarm (9) is arranged outside the reservoir (5), and the water level sensor (8) is electrically connected with the alarm (9).

7. The constant-pressure water supply control system according to any one of claims 1-4, wherein the pressure sensor (7) is arranged in the water outlet main (3) through a positioning part (10), the positioning part (10) comprises a positioning branch pipe (101), an end cover (102) and a mounting column (103), the positioning branch pipe (101) is fixedly arranged on the pipe wall of the water outlet main (3), the positioning branch pipe (101) is detachably connected with the end cover (102), one end of the mounting column (103) is fixedly connected with the end cover (102), the other end of the mounting column (103) penetrates into the water outlet main (3) to be fixedly connected with the pressure sensor (7), and a sealing part is arranged between the positioning branch pipe (101) and the end cover (102).

8. The constant-pressure water supply control system as claimed in claim 7, wherein the positioning branch pipe (101) is in threaded connection with the end cover (102), and a sealing ring is arranged at the threaded connection position of the positioning branch pipe (101) and the end cover (102).