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JP-2026075928-A - Method and structure for detecting the internal state quantity of a manifold joint member

JP2026075928AJP 2026075928 AJP2026075928 AJP 2026075928AJP-2026075928-A

Abstract

[Problem] To obtain a method and structure for detecting internal state quantities of a manifold joint member that can detect state quantities within the manifold joint member. [Problem-solving method] The method for detecting the internal state quantity of the manifold joint member 25 is as follows: The manifold joint member 25 has an upper riser pipe connection part 26, a lower riser pipe connection part 36, and one or more horizontal pipe connection parts 28. A connecting member 20 having a hole 105 and connected to the horizontal pipe connection part 28 is provided, and internal state quantity detection means 111, 131 for detecting the state quantity inside the manifold joint member 25 are passed through the hole 105, and the internal state quantity detection means 111, 131 detect the state quantity inside the manifold joint member 25. [Selection Diagram] Figure 1

Inventors

  • 江夏 建太朗

Assignees

  • 積水化学工業株式会社

Dates

Publication Date
20260511
Application Date
20241023

Claims (8)

  1. A method for detecting the internal state quantity of a manifold joint member, comprising: a manifold joint member having an upper riser joint, a lower riser joint, and one or more horizontal pipe joints; a connecting member having a hole and connected to the horizontal pipe joint; and an internal state quantity detection means for detecting the state quantity within the manifold joint member, which is passed through the hole.
  2. The method for detecting the internal state quantity of a manifold joint member according to claim 1, wherein the internal state quantity detection means is a vibration noise detection means for detecting vibration noise.
  3. The vibration and noise detection means includes an acceleration sensor and wiring for the acceleration sensor connected to the acceleration sensor, the wiring for the acceleration sensor is passed through the hole, and the acceleration sensor is attached to the back surface of the swivel vane of the manifold joint member, as described in claim 2, for detecting the internal state quantity of a manifold joint member.
  4. The aforementioned hole is provided on the upper part of the connecting member. The vibration noise detection means includes a microphone and microphone wiring connected to the microphone, the microphone wiring is passed through the hole, and the microphone is suspended inside the connecting member, as described in claim 2 or 3, for detecting the internal state quantity of a manifold joint member.
  5. A manifold joint member having an upper vertical pipe connection, a lower vertical pipe connection, and one or more horizontal pipe connection sections, An internal state quantity detection means for detecting state quantities within the aforementioned manifold joint member, An internal state quantity detection structure for a manifold joint member, comprising: a connecting member having a hole through which the internal state quantity detection means passes and connected to the horizontal pipe connection portion.
  6. The internal state quantity detection structure for a manifold joint member according to claim 5, wherein the internal state quantity detection means is a vibration noise detection means for detecting vibration noise.
  7. The vibration and noise detection means includes an acceleration sensor and wiring for the acceleration sensor connected to the acceleration sensor, the wiring for the acceleration sensor is passed through the hole, and the acceleration sensor is mounted on the back surface of the swivel vane of the manifold
  8. The aforementioned hole is provided on the upper part of the connecting member, The vibration noise detection means includes a microphone and microphone wiring connected to the microphone, wherein the microphone wiring is passed through the hole and the microphone is suspended inside the connecting member, the internal state quantity detection structure for a manifold joint member according to claim 6 or 7.

Description

This invention relates to a method and structure for detecting the internal state quantities of a manifold joint member. One method for measuring the noise level of a drainage system involves preparing a soundproof room containing a drainage system with manifold joints between the ceiling and floor, and a drain riser pipe connected between them, and then measuring the noise level using a sound level meter (see, for example, Patent Document 1). Patent No. 6576711 This is a front view cross-sectional view of an internal state quantity detection structure for a manifold joint member according to the first embodiment of the present invention.This is a cross-sectional view of the upper connecting pipe of the same manifold joint member, viewed at an angle.This is a cross-sectional view of the upper connecting pipe, seen from the front.This is a front view cross-sectional view of a manifold joint with reinforcing ribs provided on the slewing blades.This is a view taken in the direction of arrow A in Figure 4.This is a bottom view showing a modified arrangement of reinforcing ribs.This is a cross-sectional view showing an example of the shape of a reinforcing rib.This is a cross-sectional view illustrating the manufacturing method of the upper connecting pipe.This is a characteristic curve showing an example of data measured by the internal state quantity detection method for the manifold joint member of the first embodiment of the present invention.This is a front view cross-sectional view of a modified example of the internal state quantity detection structure for a manifold joint member.This is a front view cross-sectional view of an internal state quantity detection structure for a manifold joint member according to a second embodiment of the present invention. [First Embodiment] Hereinafter, a method and structure for detecting the internal state quantity of a manifold joint member according to the first embodiment of the present invention will be described with reference to Figures 1 to 8. As shown in Figure 1, the internal state quantity detection structure 1 of the manifold joint member 25 according to the first embodiment comprises an upper riser pipe 10 extending in the vertical direction, a lower riser pipe 15 extending in the vertical direction, a connecting member 20, and a manifold joint member 25. In Figure 1, the upper riser pipe 10 and the lower riser pipe 15 are shown by dashed lines. The upper riser pipe 10, the lower riser pipe 15, and the manifold joint member 25 constitute a single-pipe drainage system. The upper riser pipe 10 and the lower riser pipe 15 are formed in a tubular shape from a synthetic resin such as polyvinyl chloride resin. The connecting member 20 is formed in a bottomed cylindrical shape from a synthetic resin such as polyvinyl chloride resin. The upper riser 10 and the lower riser 15 extend vertically. The upper riser 10 is positioned above the lower riser 15. The upper end of the upper riser pipe 10 is connected to the lower end of the manifold joint member 25 on the upper floor. The lower end of the lower riser pipe 15 is connected to the upper end of the manifold joint member 25 on the lower floor or to a leg joint (not shown). The joint member 25 will be installed in a through-hole H provided in the floor slab S of the upper floor, which separates the upper and lower floors. As shown in Figures 1 to 3, the manifold joint member 25 has an upper riser pipe connection portion 26, a lower riser pipe connection portion 36, a riser pipe connection portion 46, and an intermediate member 61. In Figure 2, different hatching is applied to each of the cores 81, 82, and 83 formed on the inner surfaces 27b1, 27b2, 27b3, and 27b4, which will be described later. Here, the upper riser pipe connection section 26, the lower riser pipe connection section 36, and the intermediate member 61 are formed in a tubular shape, and the riser pipe connection section 46 is formed in a cylindrical shape. The central axes of the upper riser pipe connection section 26, the lower riser pipe connection section 36, the riser pipe connection section 46, and the intermediate member 61 are arranged coaxially with the common axis. Hereinafter, the common axis will be referred to as the first axis O1. The direction along the first axis O1 will be referred to as the first axis O1 direction. The direction perpendicular to the first axis O1 will be referred to as the radial direction, and the direction that circles around the first axis O1 will be referred to as the circumferential direction. As shown in Figures 1 to 3, the upper vertical pipe connection section 26 includes an upper joint body 27, a horizontal pipe connection section 28, a locking section 29, a first swivel vane 30 (swivel vane), and vertical ribs 31 and 32. The upper joint body 27 is formed in a cylindrical shape. The upper joint body 27 is positioned on the first axis O1. The outer surface 27a of the upper riser pipe connection portion 26 is cur