Locking device with color change sensor for detecting leakage of hazardous chemical substances
The lock device with a color-changing nano-fiber sensor addresses leaks in piping by detecting harmful chemical leaks through color change, ensuring quick identification and prevention.
Patent Information
- Application Number
- JP2024540676
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2022-02-14
- Filing Date
- 2023-02-13
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2043-02-13
AI Technical Summary
Pulsation and micro vibration in piping can cause looseness and twist, leading to leaks of harmful chemical substances, which can result in property damage, human harm, and decreased corporate evaluation.
A lock device with a color-changing sensor using a 3D porous structure nano-fiber member that detects leaks by changing color in response to harmful chemicals, integrated with a transparent double-sided adhesive tape for easy detection.
Prevents leaks from piping and valve connections and allows for quick detection of leaked sites using a color-changing sensor.
Smart Images
Figure 2025502018000001_ABST
Abstract
Claims
1. A fitting lock part made of a transparent material is provided to cover a fitting of a pipe or a valve; a color change sensor that is disposed inside the joint lock portion and changes color depending on harmful chemical substances leaking from the joint; A locking device for a fitting, comprising:
2. The color change sensor includes: The nanofiber membrane has a three-dimensional porous structure to which a dye that changes color in response to harmful chemicals is attached.
2. The locking device for a joint according to claim 1 .
3. The color dye is The nanofiber membrane is attached to the nanofiber membrane produced by electrospinning by mixing the nanofiber membrane with a polymer solution, or is attached to the nanofiber membrane produced by electrospinning by solution coating or chemical vapor deposition.
3. The locking device for a joint according to claim 2.
4. The color change sensor includes: The color change sensor is attached to a transparent double-sided adhesive tape capable of supporting a nanofiber membrane contained therein, and is fixed and attached to the inside of the joint lock part by the transparent double-sided adhesive tape.
2. The locking device for a joint according to claim 1 .
5. The joint lock portion is A joint support member realized to cover a part of the joint of the pipe; a joint cover member that is realized to cover the remaining part of the joint so as to correspond to the joint support member; a connecting portion that rotatably connects one end of the joint support member and one end of the joint cover member; a lock portion that fixes the other end of the joint support member and the other end of the joint cover member in an openable and closable manner; 2. The locking device for a joint according to claim 1, comprising:
6. The joint lock portion is a first joint locking portion that covers a first joint that connects the valve and a first pipe; a second joint locking portion that covers a second joint that connects the valve and a second pipe; a lock portion connecting portion that connects the first joint lock portion and the second joint lock portion; 2. The locking device for a joint according to claim 1, comprising:
7. Each of the first joint locking portion and the second joint locking portion is a joint support member realized to cover a portion of the corresponding joint; a joint cover member that is realized to cover the remaining part of the joint so as to correspond to the joint support member; a connecting portion that rotatably connects one end of the joint support member and one end of the joint cover member; a lock portion that fixes the other end of the joint support member and the other end of the joint cover member in an openable and closable manner; 7. The locking device for a joint according to claim 6, comprising:
8. The color change sensor is disposed inside the locking portion.
8. The joint locking device according to claim 5 or 7,
9. At least one of the joint support member and the joint cover member has an inner surface formed with a projection and recess that engages with each of a plurality of edges formed on the corresponding joint.
8. The joint locking device according to claim 5 or 7,
10. 1. A method for manufacturing a color change sensor for a lock device, comprising: A step of preparing a nanofiber membrane having a three-dimensional porous structure to which a color dye that changes color in response to a harmful chemical is bound; attaching one side of a transparent double-sided adhesive tape to one side of the nanofiber membrane; Cutting the nanofiber membrane to which the transparent double-sided adhesive tape is attached into a predetermined size; Attaching the nanofiber membrane to a locking device by the other side of the transparent double-sided adhesive tape; A method for manufacturing a color change sensor for a lock device, comprising:
Citation Information
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