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CN-224213432-U - Non-negative pressure water supply equipment

CN224213432UCN 224213432 UCN224213432 UCN 224213432UCN-224213432-U

Abstract

The application relates to the technical field of water supply equipment, and discloses non-negative pressure water supply equipment, which comprises a base plate, wherein a vibration reduction assembly is arranged at the bottom of the base plate, and a non-negative pressure water supply assembly and a PLC (programmable logic controller) control assembly are arranged at the top of the base plate. The integrated optimization design and the linkage control of the non-negative pressure water supply device remarkably improve water supply stability and anti-interference capability, specifically, the vibration damping assembly at the bottom of the substrate is used for achieving low-frequency vibration damping and high-frequency energy absorption, equipment operation vibration and displacement are effectively restrained, in the non-negative pressure water supply device, a water pump pumps municipal water sources through a water inlet pipe, an electromagnetic regulating valve, a pressure sensor, a bypass pipeline and a one-way valve are linked, bypass emergency pressure compensation can be automatically switched when main pressure fluctuates, negative pressure risks are eliminated, a steady flow tank is matched with a floating valve core and a pneumatic balance cavity in a vacuum inhibitor, dynamic balance of water pressure is maintained, cavitation is avoided, the PLC control assembly can intensively regulate and control all electric elements, and intelligent start-stop and fault early warning are achieved.

Inventors

  • GAO LI
  • YANG FAN
  • SU QIAN

Assignees

  • 北京科德铭通科技有限责任公司

Dates

Publication Date
20260508
Application Date
20250606

Claims (8)

  1. 1. The non-negative pressure water supply equipment comprises a base plate (1) and is characterized in that a vibration reduction assembly (2) is arranged at the bottom of the base plate (1), a non-negative pressure water supply assembly (3) and a PLC (programmable logic controller) control assembly (4) are arranged at the top of the base plate (1), and electric elements in the non-negative pressure water supply assembly (3) are electrically connected with the PLC control assembly (4); The utility model provides a no negative pressure water supply assembly (3) is including fixed connection at water pump (301) of base plate (1) upper surface, the output intercommunication of water pump (301) has water supply pipe (303), electromagnetic regulating valve (304) are installed to the output of water supply pipe (303), stationary flow jar (305) are installed to the top of base plate (1), stationary flow water pipe (306) and vacuum suppressor (307) are installed at the top of stationary flow jar (305), the one end and the electromagnetic regulating valve (304) of stationary flow water pipe (306) are linked together, the inside of vacuum suppressor (307) is equipped with floating valve core and pneumatic balance chamber, stationary flow delivery pipe (308) are installed to the bottom of stationary flow jar (305), supply pipe (309) are installed to the output of stationary flow delivery pipe (308), install pressure sensor (310) on the pipe section of supply pipe (309), be equipped with bypass line (311) between water supply pipe (309), check valve (312) are all installed at the both ends of bypass line (311).
  2. 2. The non-negative pressure water supply device as set forth in claim 1, wherein the water pump (301) has an input end connected to a water inlet pipe (302), and one end of the water inlet pipe (302) is connected to a municipal pipe.
  3. 3. A non-negative pressure water supply apparatus according to claim 1, wherein a drain pipe (313) is installed at one side of the bottom of the steady flow tank (305).
  4. 4. The non-negative pressure water supply device as set forth in claim 1, wherein the upper surface of the base plate (1) is fixedly connected with a bracket (314), and the outer surface of the steady flow tank (305) is fixedly connected to the top of the bracket (314).
  5. 5. A non-negative pressure water supply apparatus according to claim 1, wherein the water supply pipe (303) and the water supply pipe (309) are communicable through a bypass pipe (311), one end of the bypass pipe (311) is located between the pressure sensor (310) and an inlet end of the water supply pipe (309), and the other end of the bypass pipe (311) is located between the water supply pipe (303) and the electromagnetic regulating valve (304).
  6. 6. The non-negative pressure water supply device as set forth in claim 1, wherein the vibration damping assembly (2) comprises a base (201) and a connecting strut (202) fixedly connected to the upper surface of the base (201), and the top of the connecting strut (202) is fixedly connected to the bottom surface of the base plate (1).
  7. 7. The non-negative pressure water supply device as set forth in claim 6, wherein damping columns (203) are fixedly connected to four corners of the base (201), spiral steel springs (204) are sleeved outside each damping column (203), top ends of the four spiral steel springs (204) are fixedly connected with the bottom surface of the base plate (1), and bottom ends of the four spiral steel springs (204) are fixedly connected with the upper surface of the base (201).
  8. 8. The non-negative pressure water supply equipment as set forth in claim 6, wherein the bottom surface of the base (201) is fixedly connected with an anti-slip pad (205), and four corners of the base (201) are provided with positioning bolts (206).

Description

Non-negative pressure water supply equipment Technical Field The application relates to the technical field of water supply equipment, in particular to non-negative pressure water supply equipment. Background The non-negative pressure water supply equipment is designed for solving the water supply problem of high-rise buildings or areas far away from natural water sources, and has the function of lifting water on the ground or in low-water-level areas to the positions of the high-rise buildings or the areas far away from the water sources by generating negative pressure or vacuum so as to realize the purpose of water supply, the equipment can create a low-pressure area or vacuum environment through mechanical or electrical equipment, then, the water can be attracted into the equipment by utilizing the low-pressure area, and finally, the water can enter a water pipeline of the equipment and is lifted to the areas needing water supply under the action of a pump or a pressure system. The prior patent (publication number: CN 221721787U) discloses a non-negative pressure water supply device, which comprises a water supply device body and a water supply pipe arranged on the water supply device body, wherein a water supply cavity is arranged in the water supply pipe, a rotating rod is rotatably arranged in the water supply cavity, a dirt scraping piece for scraping dirt on the inner wall of the water supply pipe is arranged on the rotating rod, filter cylinders are arranged at the water inlet end and the water outlet end of the water supply pipe, and a rotating piece detachably connected with the rotating rod is rotatably arranged on the filter cylinders. The utility model provides non-negative pressure water supply equipment, which solves the problems that impurities and scales are easy to adhere to the inner wall of a water supply pipe in long-time water supply operation of the water supply equipment. The device in the above-mentioned comparison document can conveniently clear up the impurity and the incrustation scale that the delivery pipe inner wall adheres to, but do not carry out reasonable optimization to negative pressure subassembly, can't convenient realization emergent benefit pressure effect, exist the negative pressure risk, in order to solve above-mentioned problem, for this reason, have provided a no negative pressure water supply equipment. Disclosure of utility model Aiming at the defects of the prior art, the application provides the non-negative pressure water supply equipment, which effectively eliminates the negative pressure risk and improves the stability of water supply through the design of linkage control and bypass emergency pressure compensation. In order to achieve the purpose, the technical scheme is that the non-negative pressure water supply equipment comprises a base plate, wherein a vibration reduction assembly is arranged at the bottom of the base plate, a non-negative pressure water supply assembly and a PLC control assembly are arranged at the top of the base plate, and electric elements in the non-negative pressure water supply assembly are electrically connected with the PLC control assembly. The non-negative pressure water supply assembly comprises a water pump fixedly connected to the upper surface of a base plate, the output end of the water pump is communicated with a water supply pipe, an electromagnetic regulating valve is arranged at the output end of the water supply pipe, a steady flow tank is arranged above the base plate, a steady flow water pipe and a vacuum suppressor are arranged at the top of the steady flow tank, one end of the steady flow water pipe is communicated with the electromagnetic regulating valve, a floating valve core and a pneumatic balance cavity are arranged in the vacuum suppressor, a steady flow water supply pipe is arranged at the bottom of the steady flow tank, a water supply pipeline is arranged at the output end of the steady flow water supply pipe, a pressure sensor is arranged on a pipe section of the water supply pipeline, a bypass pipeline is arranged between the water supply pipe and the water supply pipeline, and one-way valves are arranged at two ends of the bypass pipeline. Through the scheme, the integrated optimization design and the linkage control obviously improve the water supply stability and the anti-interference capability, particularly, the vibration damping component at the bottom of the substrate gives consideration to low-frequency vibration damping and high-frequency energy absorption, the running vibration and displacement of equipment are effectively restrained, in the non-negative pressure water supply component, the water pump pumps municipal water source through the water inlet pipe, the electromagnetic regulating valve, the pressure sensor, the bypass pipeline and the one-way valve are linked, the bypass emergency pressure compensation can be automatically switched when the pressure of the main pipeline fluctua