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CN-121974452-A - Sterilizing device

CN121974452ACN 121974452 ACN121974452 ACN 121974452ACN-121974452-A

Abstract

The application discloses a disinfection device, which comprises a water sprayer, an ozone supply unit and a control assembly, wherein the water sprayer is provided with a water inlet, a water outlet and an ozone inlet, the ozone supply unit comprises an ozone adding pipeline, the disinfection device further comprises a first valve plate and a second valve plate, the first valve plate and the second valve plate are coaxially arranged and are clung to each other along the axial direction, the first valve plate is provided with a first guide hole communicated with the ozone inlet, the second valve plate is provided with a second guide hole communicated with the ozone adding pipeline, the control assembly is suitable for driving the second valve plate to rotate relative to the first valve plate, the control assembly is suitable for enabling at least part of the first guide hole and the second guide hole to be opposite to each other along the axial direction when the pressure difference between the water inlet and the water outlet is larger than a preset pressure difference, and the control assembly is suitable for enabling the first guide hole and the second guide hole to be staggered along the axial direction when the pressure difference between the water inlet and the water outlet is smaller than or equal to the preset pressure difference. The application controls the on-off of the water injector and the ozone supply unit according to the pressure difference, ensures the sealing effect and avoids the influence of backflow on the ozone supply unit.

Inventors

  • SUN WENJUN
  • SHI JINGDONG
  • XU JUN
  • WANG FANGCHENG

Assignees

  • 清华大学
  • 青岛城阳水务有限公司

Dates

Publication Date
20260505
Application Date
20260109

Claims (10)

  1. 1. A sterilizing device, comprising: the water sprayer is provided with a water inlet, a water outlet and an ozone inlet; An ozone supply unit comprising an ozone dosing line, wherein, A first valve plate and a second valve plate are arranged between the ozone adding pipeline and the ozone inlet, the first valve plate and the second valve plate are coaxially arranged and are clung to each other along the axial direction, and the first valve plate is formed with a first guide hole communicated with the ozone inlet; The control assembly is suitable for driving the second valve plate to rotate relative to the first valve plate, enabling at least part of the first guide hole to be opposite to the second guide hole in the axial direction when the pressure difference between the water inlet and the water outlet is larger than a preset pressure difference, and enabling the first guide hole and the second guide hole to be staggered in the axial direction when the pressure difference between the water inlet and the water outlet is smaller than or equal to the preset pressure difference.
  2. 2. A disinfection device as claimed in claim 1, wherein said control assembly comprises: The control cylinder is provided with a control inlet communicated with the water inlet and a control outlet communicated with the water outlet; the control device comprises a control cylinder, a piston rod, a first transmission piece, a second transmission piece and a first transmission piece, wherein the piston is arranged in the control cylinder and between the control inlet and the control outlet; one end of the second transmission piece is in transmission connection with the first transmission piece, the other end of the second transmission piece is in circumferential limit connection with the second valve plate, wherein, When the piston rod drives the first transmission piece to move along the first direction under the action of pressure difference, the second transmission piece is driven to rotate so as to be suitable for driving the second valve plate to rotate relative to the first valve plate.
  3. 3. A sterilizing device according to claim 2 wherein the first transmission member is formed with a first toothed portion extending in a first direction, the second transmission member is circumferentially provided with a second toothed portion, and the first toothed portion is in meshed engagement with the second toothed portion so as to be adapted to rotate the second toothed portion when the first toothed portion is moved in the first direction.
  4. 4. A sterilizing device according to claim 2 wherein the piston is formed with a buffer aperture communicating the control inlet and the control outlet.
  5. 5. A disinfection apparatus as claimed in claim 2, wherein said control assembly further comprises: The spring is sleeved on the part of the piston rod, which is positioned in the control cylinder, one end of the spring is abutted with the piston, and the other end of the spring is abutted with the inner wall of the control cylinder.
  6. 6. A disinfection apparatus as claimed in claim 1, further comprising: The ozone inlet is communicated with the ozone inlet through a pipe orifice at one side of the connecting pipe, which is close to the first valve plate, and the ozone inlet is communicated with the ozone adding pipeline through a pipe orifice at one side of the connecting pipe, which is close to the second valve plate.
  7. 7. The sterilizing device according to claim 6, wherein the connection pipe is formed with a relief port adapted to be passed through by the control assembly, and the relief port is disposed axially opposite to the second valve plate.
  8. 8. A disinfection apparatus as claimed in claim 2, further comprising: the disinfection pipeline is connected with the water supply main pipeline in parallel; The water inlet and the water outlet are connected with a disinfection pipeline, the control inlet and the control outlet are communicated with the disinfection pipeline through a control pipeline, and the pipe diameter of the control pipeline is smaller than that of the disinfection pipeline.
  9. 9. A disinfection apparatus as claimed in claim 8, further comprising: the dosing pump is arranged in the disinfection pipeline and is positioned at the upstream of the water injector; The control valve is arranged in the disinfection pipeline and between the dosing pump and the water injector.
  10. 10. A disinfection device as claimed in claim 8, wherein the portion of said main water supply line in parallel with said disinfection line is provided with a check valve.

Description

Sterilizing device Technical Field The application relates to the technical field of drinking water disinfection, in particular to a disinfection device. Background In the related technology of drinking water, under the conventional use condition, a disinfection device based on a water injector generally does not add disinfectant into a pressure-bearing pipe network or a pressure-bearing container, and the back pressure after the water injector is low. The check valve of the water injector is generally in a ball-shaped seal, the problem of poor closing exists, if a liquid disinfectant is added, the influence of leakage of the check valve is small, but if ozone is added, the leakage of the check valve can bring about the risk of damaging an ozone generator, and particularly, in a high back pressure state, the check valve brings about great potential safety hazard to an ozone generator set. Disclosure of Invention The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present application is to provide a disinfection device, which aims to solve the problems of the existing drinking water disinfection system based on water jet, such as the non-tight sealing of the check valve and the backflow risk. The application provides a disinfection device, which comprises a water sprayer, an ozone supply unit and a control component, wherein the water sprayer is provided with a water inlet, a water outlet and an ozone inlet, the ozone supply unit comprises an ozone adding pipeline, a first valve plate and a second valve plate are arranged between the ozone adding pipeline and the ozone inlet, the first valve plate and the second valve plate are coaxially arranged and are clung to each other along the axial direction, the first valve plate is provided with a first guide hole communicated with the ozone inlet, the second valve plate is provided with a second guide hole communicated with the ozone adding pipeline, the control component is suitable for driving the second valve plate to rotate relative to the first valve plate, the control component is suitable for enabling at least part of the first guide hole to be opposite to the second guide hole along the axial direction when the pressure difference between the water inlet and the water outlet is larger than the preset pressure difference, and the control component is suitable for enabling the first guide hole and the second guide hole to be staggered along the axial direction when the pressure difference between the water inlet and the water outlet is smaller than or equal to the preset pressure difference. According to the disinfection device, the first valve plate and the second valve plate are arranged between the ozone inlet of the water injector and the ozone adding pipeline of the ozone supply unit, so that on-off control of the water injector and the ozone supply unit can be realized, the relative movement of the first valve plate and the second valve plate is adaptively driven by the control component according to the pressure difference between the water inlet and the water outlet of the water injector, when the pressure difference is insufficient and has a backflow risk, the water injector and the ozone supply unit are automatically blocked, the sealing effect is ensured, the backflow is prevented from influencing the ozone supply unit, the ozone supply unit can be prevented from being damaged in backflow under various working conditions, meanwhile, the on-off of the water injector and the ozone supply unit is adaptively controlled and switched by the control component according to the pressure difference, the running stability of the disinfection device can be improved, and the dynamic response capability to pressure fluctuation is improved. According to some embodiments of the application, the control assembly comprises a control cylinder, a piston rod, a first transmission member and a second transmission member, wherein the control cylinder is provided with a control inlet communicated with the water inlet and a control outlet communicated with the water outlet, the piston is arranged in the control cylinder and between the control inlet and the control outlet, the piston rod is arranged on one side of the piston close to the control outlet, one end of the piston rod extends out of the control cylinder, a first transmission member is arranged on the part, located outside the control cylinder, of the piston rod, one end of the second transmission member is in transmission connection with the first transmission member, the other end of the second transmission member is in circumferential limit connection with the second valve plate, and the piston rod drives the second transmission member to rotate when driving the first transmission member to move along a first direction under the action of pressure difference so as to be suitable for driving the second valve plate to rotate relativ