Automatic ventilation device for deep well

Abstract

The utility model relates to the technical field of ventilation devices, in particular to an automatic ventilation device for a deep well, which comprises a well body, the outer wall of one side of the top of the well body is fixedly connected with a support, the outer wall of the top end of the support is provided with a fan, the inner wall of the support is provided with a controller, and the output end of the fan is connected with a ventilation hose in an inserted mode. An annular pipe is slidably connected to the inner wall of the bottom of the well body, a connecting hole is formed in the outer wall of one side of the top end of the annular pipe, the ventilation hose is inserted into the inner wall of the connecting hole, an oxygen concentration sensor is installed on the outer wall of one side of the top end of the annular pipe, and limiting plates are fixedly connected to the outer walls of the two sides of the top end of the annular pipe. The deep well ventilation device can detect the oxygen concentration at the bottom of the well body, so that the fan is automatically controlled to conduct ventilation treatment according to the detection structure, the ventilation structure is annularly arranged, air inlet is more uniform, the height of the air inlet structure can be adjusted according to actual requirements, and the use efficiency of the deep well ventilation device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation devices, in particular to an automatic ventilation device for deep wells. Background Art

[0002] Deep wells include some large sewage wells, etc. In the construction planning of modern cities, sewage wells are usually required to collect domestic sewage from urban residents and industrial wastewater, etc. Existing sewage wells generally include a well body and a well cover. A reserved hole is set on the side wall of the well body, and a cover is set on the upper end of the well body. The cover is provided with an inspection hole for personnel to enter and exit. After the sewage well is activated, the sealing bricks in the reserved hole are knocked out, and the sewage pipe is connected to the reserved hole, and the inspection hole is covered.

[0003] After searching the Chinese patent with publication number CN220202949U, a ventilation device for deep well operations is disclosed. If personnel need to work in the well body, the waterproof compartment is placed on the outside of the side wall of the well body. Furthermore, the connecting pipe is inserted into the reserved hole of the side wall of the well body. Furthermore, by inflating the airbag, the gap between the side of the connecting pipe and the inner wall of the reserved hole can be sealed after the airbag is expanded, and external debris (sewage, etc.) cannot enter.

[0004] Based on the above search and combined with the prior art, it is found that the above patent has certain defects. It cannot monitor the oxygen concentration in the well body and cannot realize automatic ventilation of the well body. The work of maintenance personnel is dangerous. Air is blown only through a single ventilation pipe, the air intake is not uniform, and the height of the air intake structure cannot be adjusted according to actual needs, which reduces the utilization efficiency of the deep well ventilation device. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic ventilation device for deep wells to solve the problems raised in the above background technology.

[0006] The technical solution of the utility model is: an automatic ventilation device for deep wells, comprising a well body, an outer wall on one side of the top of the well body is fixedly connected to a bracket, a fan is installed on the top outer wall of the bracket, a controller is installed on the inner wall of the bracket, a ventilation hose is plugged into the output end of the fan, an annular tube is slidably connected to the bottom inner wall of the well body, a connecting hole is provided on the outer wall on one side of the top of the annular tube, the ventilation hose is plugged into the inner wall of the connecting hole, an oxygen concentration sensor is installed on the outer wall on one side of the top of the annular tube, both outer walls on the top of the annular tube are fixedly connected to limiting plates, limiting holes are provided on the outer wall on one side of the limiting plates, locking knobs are threadedly connected to the inner wall of the limiting holes, a plurality of air outlet pipes are provided on the bottom inner wall of the annular tube, and the air outlet pipes are distributed in a circular array.

[0007] Preferably, the air outlet pipes are all arranged at an angle, the oxygen concentration sensor is electrically connected to the controller, and the outer wall of the bottom end of the bracket is fixedly connected to an airbag mounting frame.

[0008] Preferably, the outer wall of the airbag mounting frame is provided with a connecting airbag, a reserved hole is opened on the outer wall on one side of the top of the well body, the ventilation hose is slidably connected to the inner wall of the reserved hole, and the airbag mounting frame and the connecting airbag are adapted to the size of the reserved hole.

[0009] Preferably, a manhole cover is installed on the top outer wall of the well body, an inspection hole is opened on one side outer wall of the top of the manhole cover, and a climbing frame is fixedly connected to the other side inner wall of the top of the well body, and the inspection hole is adapted to the position of the climbing frame.

[0010] Preferably, an outer wall on one side of the top of the fan is provided with an air inlet mesh, and outer walls on both sides of the bottom end of the bracket are fixedly connected with reinforcement rods, and the reinforcement rods are arranged at an angle.

[0011] Preferably, an annular frame is fixedly connected to an inner wall of one side of the well body, the ventilation hose is slidably connected to the inner wall of the annular frame, and the fan is electrically connected to a controller.

[0012] The utility model provides an automatic ventilation device for deep wells through improvement, which has the following improvements and advantages compared with the prior art:

[0013] Firstly, the utility model is provided with a well body, a fan, a bracket, a ventilation hose, an annular tube, an oxygen concentration sensor and a locking knob, and realizes the automatic operation of the fan through an intelligent control system, and adjusts the ventilation volume according to needs. The real-time monitoring and adjustment of the deep well ventilation system can also be realized through a cloud platform or a remote monitoring system. The fan sends air into the annular tube through the ventilation hose, and then blows it out through the air outlet pipes distributed in the annular array to realize uniform air supply, and evenly improve the oxygen concentration at each position in the well body. The annular tube can slide up and down, and after sliding to a suitable height according to needs, the annular tube is limited and fixed by the locking knob, and the oxygen concentration at the bottom of the well body can be detected, so as to automatically control the fan for ventilation according to the detection structure, and the ventilation structure is arranged in an annular shape, and the air intake is more uniform. The height of the air intake structure can be adjusted according to actual needs, thereby improving the use efficiency of the deep well ventilation device;

[0014] Second, the utility model is provided with a bracket, an annular frame and a reinforcing rod. The reinforcing rod arranged at the bottom of the bracket reinforces the bracket and the fan to improve the structural stability. The annular frame arranged in the well body limits the ventilation hose, thereby improving the practicability of the deep well ventilation device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 It is a schematic cross-sectional view of the overall structure of the utility model;

[0017] Figure 2 The utility model Figure 1 A schematic diagram of the enlarged structure in the middle;

[0018] Figure 3 This is a schematic diagram of the annular pipe connection structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the connection structure of the air bag mounting frame of the utility model.

[0020] Description of reference numerals:

[0021] 1. Well body; 2. Fan; 3. Air inlet mesh; 4. Bracket; 5. Well cover; 6. Inspection hole; 7. Oxygen concentration sensor; 8. Ring pipe; 9. Limit plate; 10. Controller; 11. Airbag mounting bracket; 12. Connecting airbag; 13. Ventilation hose; 14. Air outlet pipe; 15. Locking knob; 16. Reinforcement rod. DETAILED DESCRIPTION

[0022] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides an automatic ventilation device for deep wells through improvement. The technical solution of the utility model is:

[0024] like Figure 1-Figure 4 As shown, an automatic ventilation device for a deep well comprises a well body 1, a bracket 4 is fixedly connected to an outer wall on one side of the top of the well body 1, a fan 2 is installed on the outer wall on the top of the bracket 4, a controller 10 is installed on the inner wall of the bracket 4, a ventilation hose 13 is plugged into the output end of the fan 2, an annular tube 8 is slidably connected to the inner wall of the bottom of the well body 1, a connecting hole is provided on an outer wall on one side of the top of the annular tube 8, the ventilation hose 13 is plugged into the inner wall of the connecting hole, an oxygen concentration sensor 7 is installed on an outer wall on one side of the top of the annular tube 8, both outer walls on both sides of the top of the annular tube 8 are fixedly connected to a limit plate 9, a limit hole is provided on an outer wall on one side of the limit plate 9, a locking knob 15 is threadedly connected to the inner wall of the limit hole, a plurality of air outlet pipes 14 are provided on the inner wall at the bottom of the annular tube 8, and the air outlet pipes 14 are distributed in a circular array.

[0025] Furthermore, the air outlet pipes 14 are all arranged at an angle, the oxygen concentration sensor 7 and the controller 10 are electrically connected, the bottom outer wall of the bracket 4 is fixedly connected to the airbag mounting frame 11, the outer wall of the airbag mounting frame 11 is provided with a connecting airbag 12, a reserved hole is opened on the outer wall of one side of the top of the well body 1, the ventilation hose 13 is slidably connected to the inner wall of the reserved hole, and the airbag mounting frame 11 and the connecting airbag 12 are adapted to the size of the reserved hole.

[0026] Furthermore, a manhole cover 5 is installed on the top outer wall of the well body 1, and an inspection hole 6 is opened on one side outer wall of the top of the manhole cover 5, and a climbing frame is fixedly connected to the other side inner wall of the top of the well body 1, and the inspection hole 6 is adapted to the position of the climbing frame, and an air inlet mesh 3 is provided on one side outer wall of the top of the fan 2, and reinforcement rods 16 are fixedly connected to the outer walls on both sides of the bottom end of the bracket 4, and the reinforcement rods 16 are all inclined. An annular frame is fixedly connected to the inner wall of one side of the well body 1, and the ventilation hose 13 is slidably connected to the inner wall of the annular frame. The fan 2 is electrically connected to the controller 10, and the reinforcement rod 16 arranged at the bottom of the bracket 4 reinforces the bracket 4 and the fan 2 to improve the structural stability, and the annular frame arranged in the well body 1 limits the ventilation hose 13.

[0027] Working principle: input the preset ventilation parameters into the controller 10 in advance, and after the external power supply is connected, the oxygen concentration sensor 7 at the top of the annular tube 8 detects the oxygen concentration at the bottom of the well body 1, and simultaneously transmits the oxygen data to the controller 10. When the oxygen concentration is too low, the start and stop and speed of the fan 2 are automatically controlled, and the automatic operation of the fan 2 is realized through the intelligent control system. The ventilation volume is adjusted as needed. The real-time monitoring and adjustment of the deep well ventilation system can also be realized through the cloud platform or remote monitoring system. The fan 2 passes the air through the ventilation hose 13 It is sent into the annular tube 8 and then blown out through the air outlet pipes 14 distributed in the annular array to achieve uniform air supply, thereby evenly increasing the oxygen concentration at each position in the well body 1. The annular tube 8 can slide up and down, and after sliding to a suitable height as required, the annular tube 8 is limited and fixed by the locking knob 15. The airbag mounting frame 11 and the connecting airbag 12 at the bottom of the bracket 4 seal the reserved hole after inflation. The reinforcement rod 16 arranged at the bottom of the bracket 4 reinforces the bracket 4 and the fan 2 to improve the structural stability. The annular frame arranged in the well body 1 limits the ventilation hose 13.

[0028] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. An automated ventilation device for a deep well, comprising a well body (1), characterized in that: A bracket (4) is fixedly connected to an outer wall on one side of the top of the well body (1), a fan (2) is installed on the outer wall on the top of the bracket (4), a controller (10) is installed on the inner wall of the bracket (4), a ventilation hose (13) is plugged into the output end of the fan (2), an annular tube (8) is slidably connected to the inner wall on the bottom of the well body (1), a connection hole is provided on an outer wall on one side of the top of the annular tube (8), the ventilation hose (13) is plugged into the inner wall of the connection hole, an oxygen concentration sensor (7) is installed on an outer wall on one side of the top of the annular tube (8), both outer walls on the top of the annular tube (8) are fixedly connected to a limit plate (9), a limit hole is provided on an outer wall on one side of the limit plate (9), the inner wall of each limit hole is threadedly connected to a locking knob (15), and a plurality of air outlet pipes (14) are provided on the inner wall on the bottom of the annular tube (8), the air outlet pipes (14) are distributed in a circular array.

2. The automatic ventilation device for deep wells according to claim 1, characterized in that: The air outlet pipes (14) are all arranged at an angle, the oxygen concentration sensor (7) is electrically connected to the controller (10), and the bottom outer wall of the bracket (4) is fixedly connected to an airbag mounting frame (11).

3. The automatic ventilation device for deep wells according to claim 2, characterized in that: The outer wall of the airbag mounting frame (11) is provided with a connecting airbag (12), a reserved hole is opened on one side outer wall of the top of the well body (1), the ventilation hose (13) is slidably connected to the inner wall of the reserved hole, and the airbag mounting frame (11) and the connecting airbag (12) are adapted to the size of the reserved hole.

4. The automatic ventilation device for deep wells according to claim 1, characterized in that: A manhole cover (5) is installed on the top outer wall of the manhole body (1), an inspection hole (6) is opened on one side outer wall of the top of the manhole cover (5), and a climbing frame is fixedly connected to the other side inner wall of the top of the manhole body (1), and the inspection hole (6) is adapted to the position of the climbing frame.

5. The automatic ventilation device for deep wells according to claim 1, characterized in that: An air inlet mesh hole (3) is provided on one side outer wall of the top of the fan (2), and reinforcement rods (16) are fixedly connected to both side outer walls of the bottom end of the bracket (4), and the reinforcement rods (16) are arranged in an inclined manner.

6. The automatic ventilation device for deep wells according to claim 1, characterized in that: An annular frame is fixedly connected to the inner wall of one side of the well body (1), the ventilation hose (13) is slidably connected to the inner wall of the annular frame, and the fan (2) is electrically connected to the controller (10).

Images