CN216920517U

CN216920517U - Numerical control constant voltage integration water supply equipment

Info

Publication number: CN216920517U
Application number: CN202122117108.7U
Authority: CN
Inventors: 张远露; 刘跃梅
Original assignee: Shanghai Water Technology Co ltd
Current assignee: Shanghai Water Technology Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-07-08
Anticipated expiration: 2031-09-03

Abstract

The utility model relates to the field of water supply equipment, and discloses numerical control constant-pressure integrated water supply equipment which comprises a pressure stabilizing tank body, wherein a plurality of pump groups are communicated on the pressure stabilizing tank body in parallel, one end of each pump group, far away from the pressure stabilizing tank body, is connected with an equipment water outlet pipe, and a pressure protection device and a pressure monitoring device are arranged on the equipment water outlet pipe. According to the water supply equipment, the control system is integrally integrated on the equipment to realize real numerical control constant-pressure variable-frequency integrated water supply equipment, so that the wiring and lapping cost of the control equipment is reduced; the soft start of the equipment can effectively avoid water hammer, the water supply pressure of the equipment is stable, and the flow can be continuously changed in a large range, so that the water pressure of a user end is constant, and the purposes of high efficiency and energy saving are achieved.

Description

Numerical control constant voltage integration water supply equipment

Technical Field

The utility model relates to the field of water supply equipment, in particular to numerical control constant pressure integrated water supply equipment.

Background

The domestic water consumption changes along with the change of time, the difference between seasons and day and night is large, the water supply is often lower than the demand during the peak water consumption period, and the phenomenon that the water pressure reduces the supply and demand is caused; during the low peak period of water consumption, the supply of water is often higher than the demand, the water pressure rises, and the supply is over-demand, which causes energy waste and may cause burst of water pipes and damage of water consumption equipment. The tradition is adjusted water supply pressure mode, adopts frequently to open and stops the mode that supplies water pump and water tower secondary water supply were adjusted, frequently opens and stops equipment and produce a large amount of energy consumptions, causes the influence to other loads of electric wire netting, still can influence water pump life.

The prior equipment has the following defects:

1) when the equipment is directly started and stopped, the kinetic energy of the liquid is rapidly increased, so that a water hammer for starting the pump is easily formed, great impact on a pipeline is caused, and the power of the equipment is more obvious when the equipment is larger.

2) The operation frequency of the equipment is constant, and the equipment cannot adjust and do work according to the water consumption, so that energy waste is caused.

3) The pressure stabilizing tank is vertically arranged on an outlet collecting pipe of the equipment, the installation mode not only influences the aesthetic degree of the equipment, but also can not quickly and effectively compensate the outlet, thereby increasing the working pressure of the water pump and reducing the water supply efficiency of the water supply equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a numerical control constant pressure integrated water supply device to solve the problems in the background technology.

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

the utility model provides a numerical control constant voltage integration water supply equipment, includes the steady voltage jar body, the parallelly connected intercommunication has a plurality of pump packages on the steady voltage jar body, and the pump package is kept away from steady voltage jar body one end and is connected with the equipment outlet pipe, installs pressure protection device and pressure monitoring device on the equipment outlet pipe.

As a further scheme of the utility model: and a control system is also arranged between the pressure stabilizing tank body and the equipment water outlet pipe.

As a further scheme of the utility model: and the pressure stabilizing tank body is also provided with an equipment water inlet pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1) the water supply equipment integrates the control system on the equipment to realize real numerical control constant-pressure variable-frequency integrated water supply equipment, and reduces the wiring and lapping cost of the control equipment;

2) the soft start of the equipment can effectively avoid water hammer, the water supply pressure of the equipment is stable, and the flow can be continuously changed in a large range, so that the water pressure of a user end is constant, and the purposes of high efficiency and energy saving are achieved;

3) the equipment is directly connected with a pipe network, so that a water tank, a water storage pool and the like are not required to be excessive, and the water supply is ensured not to be polluted secondarily;

4) the water inlet of the pressure stabilizing tank is connected with the water outlet pipeline of the equipment and is hidden behind the equipment, so that the overall attractiveness of the equipment is improved. With effective volume increase, there is better energy storage ability when equipment normally works, can be better carry out energy compensation to equipment export, reduce equipment unit operating pressure, extension unit life effectively improves water supply efficiency, reduces equipment use cost and maintenance cost.

Drawings

Fig. 1 is a schematic structural diagram of a numerical control constant pressure integrated water supply device.

In the figure: 1. a pressure stabilizing tank body; 2. a control system; 3. a water outlet pipe of the equipment; 4. a pressure protection device; 5. a pressure monitoring device; 6. a device water inlet pipe; 7. and a pump group.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the utility model, and further, the terms "first", "second", etc., are used only for descriptive purposes and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more of such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be communicated with each other, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1, in the embodiment of the utility model, the numerical control constant pressure integrated water supply equipment comprises a pressure stabilizing tank body 1, a plurality of pump sets 7 are connected and communicated in parallel on the pressure stabilizing tank body 1, one end, far away from the pressure stabilizing tank body 1, of each pump set 7 is connected with an equipment water outlet pipe 3, and a pressure protection device 4 and a pressure monitoring device 5 are installed on the equipment water outlet pipe 3.

And a control system 2 is also arranged between the pressure stabilizing tank body 1 and the equipment water outlet pipe 3.

And the pressure stabilizing tank body 1 is also provided with an equipment water inlet pipe 6.

The working principle of the utility model is as follows:

1) the equipment directly links municipal pipe network, carries to the user end through the pump package pressurization, and the steady voltage jar body 1 plays steady voltage and compensating action to the equipment exit, also is the precondition that the water pump can get into the sleep simultaneously, utilizes the minimum nature of the compressibility of water, stores up water with external force in the jar, and gas receives compression pressure and risees, and the compressed gas inflation that disappears when external force can get rid of water. Because the compression ratio of water is far less than that of gas, when the pipe network has small-flow leakage, the pressure can be greatly reduced, and the water pump can be frequently started. By using the pressure stabilizing tank body 1, water can be stored in the pressure stabilizing tank body 1 under the pressure rich in the equipment outlet, the outlet pressure compensation process is carried out by the stored pressure when water is used at a small flow, the water use requirement is met, and the water pump unit is not started in the process, so that the idle work loss caused by energy is avoided;

2) when municipal water supply pipe network pressure was not enough, the steady voltage jar body 1 came water to the municipal pipe network and plays the effect of compensation and steady voltage, and the steady voltage jar body 1 compensation equipment outlet pressure sends water to the water consumption point, accomplishes the water supply process. In the whole water supply process, the original pressure of a municipal water supply network can be utilized to a greater extent, and the working pressure of the water pump unit is greatly reduced under the action of energy compensation of the pressure stabilizing tank body 1;

3) when the water supply system is in a water consumption peak area and the water supply quantity of the municipal water supply network is insufficient, the energy stored in the pressure stabilizing tank body 1 is used for carrying out differential compensation on the outlet of the equipment and charging the energy. Reducing the working pressure of the water pump unit;

4) when the water supply quantity of the municipal water supply network is seriously insufficient or the water supply is stopped, the pressure in the pressure stabilizing tank body 1 is gradually reduced. Pressure monitoring devices sends the signal of telecommunication, and municipal pipe network pressure is less than and sets for protection pressure, and the warning is in time shut down to equipment, avoids water supply equipment to damage, effectively protects municipal water supply pipe network. This equipment has greatly improved water supply efficiency and equipment reliability of use.

The water supply equipment integrates a control system integrally to the equipment to realize real numerical control frequency conversion constant pressure integrated water supply equipment, the water supply equipment can be directly connected with a municipal water supply network without being equipped with a water tank, and can be connected in series and superposed with water supply on the basis of the residual pressure of the municipal pipe network to ensure that the pressure of the municipal pipe network is not less than the set protection pressure, a pressure stabilizing tank body 1 which is arranged at a water outlet of the equipment in the prior art is upgraded, a water inlet of the pressure stabilizing tank body 1 is connected with an equipment water outlet pipeline and is hidden behind a flow stabilizing tank, and the integral attractiveness of the equipment is improved. The effective volume is increased, the energy storage capacity is better when the equipment works normally, and the energy compensation can be better carried out on the outlet of the equipment.

This equipment with control system whole integrated to equipment on and equipment can directly link municipal pipe network, it is excessive that middle water tank, water tower of need not, realizes real numerical control constant voltage integration water supply equipment. Thereby numerical control constant voltage water supply system realizes the hydraulic closed loop control (PID) of pipe network through the rotational speed of the output frequency automatically regulated water pump motor of control converter, makes automatic the invariable pressure value in the settlement of water supply system: when the water amount is increased, the frequency is increased, the rotating speed of the water pump is increased, and the water supply amount is correspondingly increased; when the water consumption is reduced, the frequency is reduced, the rotating speed of the water pump is reduced, the water supply amount is correspondingly reduced, the working state of the switching equipment is quickly adjusted according to the water demand, the control precision of the set pressure and the actual pressure is less than or equal to 0.01Mpa, and the water is supplied by using the amount of water, so that the requirements of water supply efficiency users on the water pressure and the water amount are ensured, and the purposes of improving the water supply quality and the water supply efficiency and efficiently saving energy are achieved. The equipment does not need to build a high-level water tank or a water tower, so that the water quality has no secondary pollution, and the water is healthier. The equipment rotates the pump set at regular time and starts and stops firstly, so that the service life of the pump set is prolonged, and the maintenance cost is reduced. The volume of the pressure stabilizing tank body 1 is increased, the pressure stabilizing tank body is arranged at the rear of the equipment and connected with the water outlet header pipe, the outlet water quantity and the pressure are balanced, the small-flow pressure maintaining function is achieved, the water supply pressure is automatically compensated according to the outlet pressure, the working pressure of the pump set is reduced, the service life of the pump set is prolonged, and the energy saving performance and the safety of the water supply equipment are improved. Has important significance for improving the water supply efficiency

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a numerical control constant voltage integration water supply equipment, includes the surge tank body (1), its characterized in that, the parallelly connected intercommunication has a plurality of pump packages (7) on the surge tank body (1), and pump package (7) are kept away from surge tank body (1) one end and are connected with equipment outlet pipe (3), install pressure protection device (4) and pressure monitoring device (5) on equipment outlet pipe (3).

2. A numerical control constant pressure integrated water supply device according to claim 1, characterized in that a control system (2) is further installed between the pressure stabilizing tank body (1) and the device water outlet pipe (3).

3. A numerical control constant pressure integrated water supply device according to claim 2, characterized in that a device water inlet pipe (6) is further installed on the pressure stabilizing tank body (1).