CN212007673U

CN212007673U - Novel leakage detection and positioning device

Info

Publication number: CN212007673U
Application number: CN202020898508.9U
Authority: CN
Inventors: 孙良; 岳宗翔
Original assignee: Quantitative Sensing Technology Shanghai Co ltd
Current assignee: Quantitative Sensing Technology Shanghai Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-11-24
Anticipated expiration: 2030-05-25

Abstract

The utility model provides a novel weeping detects and positioner carries out the single-point weeping based on the optics total reflection principle and detects, is integrated as a whole with light source, detector, optical structure, but arbitrary quantity connection connects. Meanwhile, power supply and communication are made into a bus structure, so that the purpose of distinguishing the position of a leakage point while detecting leakage is achieved. The utility model discloses the innovation that has lies in having designed a light path and light source, integrative ray apparatus structure of detector, under the condition that does not influence the size, reached the weeping and detected and the effect of leak source position determination. The device has the advantages of high detection precision, easy miniaturization, strong anti-interference capability, real-time detection, high reliability, wide application range, expandable functions and the like.

Description

Novel leakage detection and positioning device

Technical Field

The utility model relates to a detection device technical field specifically is a novel weeping detects and positioner.

Background

The optical-based liquid leakage detection device is a device and a method for detecting the state of liquid leakage or outflow under a certain condition, widely exists in the fields of semiconductors, high-precision processing, environment monitoring, tunnel engineering, hydraulic engineering, underwater engineering, pipeline inspection, geological monitoring, intelligent perception, safety alarm, intelligent security, process control, water drainage and supply, material analysis and the like, and has attracted extensive attention and research.

At present, the existing leakage detection and positioning device mainly has the following defects: 1) the optical sensing device is characterized in that a prism optical structure is arranged on the detection side of a main body of the sensing device, light beams are transmitted and received through the light beams, the light beams are subjected to internal total reflection in the prism optical structure, when liquid leaks to the side surface of the prism optical structure subjected to internal total reflection, the liquid optical refractive index is higher than the refractive index of a medium on the periphery of the prism optical structure when no liquid leaks, so that the light beams are transmitted in the prism optical structure and do not meet the internal reflection condition, the light beam refraction phenomenon exists, a light beam receiving module detects that the light energy is suddenly weakened to reflect the existence of the liquid leakage phenomenon, only the bevel edge direction of the prism structure can be used for sensing detection due to the internal total reflection principle of the prism optical structure, the liquid leakage sensing detection has; 2) the core of the sensing device is a prism optical structure and has strong sensing detection direction characteristics, so that the leakage detection device is actually used and installed, the flowing condition of leakage needs to be considered in advance, the use flexibility and the practicability of the leakage detection device are limited essentially, and under the condition of unpredictable leakage flowing, the leakage detection device in the prior art has uncertain detection misjudgment rate which is not possible in many application scenes; 3) even if two or more pairs of light beam emitting and receiving ends are arranged on the optical action surface of the prism optical structure, the detection directivity determined by the essence of the prism optical structure cannot be changed, and the complexity and the implementation difficulty of the system are increased; 4) the detection principle and the use mode of the online technology determine that the online technology has poor flexibility, limited application range and difficult function expansion.

SUMMERY OF THE UTILITY MODEL

To the problem pointed out in the background art, the utility model provides a novel weeping detects and positioner, the device have the omnidirectional detection function, the method is simple, detect that the precision is high, interference immunity is strong, the flexibility is strong, the practicality is strong, easily characteristics such as miniaturization, high reliability, application scope are wide, the function easily expands.

The technical scheme of the utility model is realized like this:

the utility model provides a novel weeping detects and positioner, includes the mount and follows mount length direction evenly distributed's weeping sensing mechanism, its characterized in that: the weeping sensing mechanism adopt the mounting bracket with mount fixed connection, the mounting bracket including installation pole, mounting panel, installation pole with the mounting panel is integrative to be set up, the installation pole fix with on the mount, weeping sensing mechanism includes light path refractor, light source generator, detector, the light path refractor is fixed on the mounting panel, light source generator, detector are followed light path refractor axis symmetry sets up and is located inside the light path refractor.

The utility model discloses further set up to: the axis position of light path refractor is equipped with the fixed orifices, be fixed with elasticity fixed establishment on the installation pole, elasticity fixed establishment with the mounting panel is followed the axial direction dislocation set of installation pole, elasticity fixed establishment is located in the fixed orifices and with the lateral wall butt cooperation of fixed orifices.

The utility model discloses further set up to: the elastic fixing mechanism is a reed.

The utility model discloses further set up to: the light path refractor is characterized in that a first mounting hole and a second mounting hole are symmetrically arranged along the central axis of the light path refractor, the light source generator is mounted in the first mounting hole, and the detector is mounted in the second mounting hole.

The utility model discloses further set up to: the light source generator with be equipped with the first protective housing that the opening set up between the first mounting hole, the light source generator is installed in the first protective housing, the detector with be equipped with the second protective housing that the opening set up between the second mounting hole, the detector is installed in the second protective housing.

The utility model discloses further set up to: the closed end of the first protective shell is provided with a light source outlet, and the closed end of the second protective shell is provided with a light source receiving port.

The utility model discloses further set up to: gaskets are arranged between the light source generator and the opening end and the closed end of the first protective shell, and between the detector and the opening end and the closed end of the second protective shell.

The utility model discloses further set up to: the wire distributing device is characterized in that a bus groove is arranged in the fixing frame, a wire distributing hole is arranged in the mounting rod, a wire distributing groove is arranged on the mounting plate, and the bus groove, the wire distributing hole and the wire distributing groove are sequentially communicated.

To sum up, the beneficial effects of the utility model are that:

(1) the utility model provides a novel weeping detects and positioner, through sending and receiving the light beam, make the light beam take place the internal total reflection in the light path refractor, when liquid spills on the light path refractor, because the liquid optics refracting index is higher than the peripheral medium refracting index of light path refractor, make the light beam not satisfy the internal reflection condition at the light path refractor propagation, there is the light beam refraction phenomenon, the detector weakens through detecting the light energy sudden change and reflects the weeping phenomenon to exist, because for the total internal reflection principle of light path refractor structure, only light path refractor structure hypotenuse direction can be used for the sensing to detect, the sensing detection's that has the directionality from the principle of weeping, it has the essence not enough and defect to have solved the weeping sensing;

(2) the utility model provides a novel weeping detects and positioner, has adopted the multiple spot to detect and carry out the mode of code to weeping sensing mechanism, has high sensitivity advantage simultaneously, can detect the leak source and find the leak source position more large-area again, has solved the problem that can't measure by a large scale;

(3) the utility model provides a novel weeping detects and positioner can confirm the weeping sensing mechanism quantity on the mount according to practical scene, can obtain accurate leak source information.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the leakage sensing mechanism of the present invention;

fig. 3 is an enlarged view of the structure of part a of the present invention.

Reference numerals: 1. a fixed mount; 101. a bus slot; 2. mounting a rod; 201. a wire dividing hole; 3. mounting a plate; 301. a card slot; 302. distributing grooves; 4. an optical path refractor; 401. a fixing hole; 402. a first mounting hole; 403. a second mounting hole; 5. a light source generator; 6. a detector; 7. a reed; 8. a first protective case; 801. a light source outlet; 9. a second protective shell; 901. a light source receiving port; 10. a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention is described below with reference to fig. 1-3:

the utility model provides a novel weeping detects and positioner, includes mount 1 and along 1 length direction evenly distributed's of mount weeping sensing mechanism, and weeping sensing mechanism adopts mounting bracket and 1 fixed connection of mount, and the mounting bracket is including installation pole 2, mounting panel 3, and installation pole 2 sets up with mounting panel 3 is integrative, and installation pole 2 is used for fixing installation pole 2 on mount 1 with 1 threaded connection of mount.

Weeping sensing mechanism includes light path refractor 4, light source generator 5, detector 6, be equipped with draw-in groove 301 on the mounting panel 3, light path refractor 4 fixes in draw-in groove 301, the axis position of light path refractor 4 is equipped with fixed orifices 401, be fixed with reed 7 on the installation pole 2, reed 7 adopts welded fastening on the dead lever, and with mounting panel 3 along the axial direction dislocation set of installation pole 2, reed 7 is located fixed orifices 401 and is used for further fixing light path refractor with the lateral wall butt cooperation of fixed orifices 401, also be convenient for simultaneously change light path refractor 4.

The light path refractor 4 is provided with a first mounting hole 402 and a second mounting hole 403 along axial symmetry, a first protective shell 8 with an opening arranged is arranged between the light source generator 5 and the first mounting hole 402, the light source generator 5 is installed in the first protective shell 8, the first protective shell 8 is installed in the first mounting hole 402, a second protective shell 9 with an opening arranged is arranged between the detector 6 and the second mounting hole 403, the detector 6 is installed in the second protective inner shell, and the second protective outer shell is installed in the second mounting hole 403.

The closed end of the first protective case 8 is provided with a light source outlet 801, and the closed end of the second protective case 9 is provided with a light source receiving opening 901. Gaskets 10 are arranged between the light source generator 5 and the opening end and the closed end of the first protective shell 8, and between the detector 6 and the opening end and the closed end of the second protective shell for sealing and water proofing.

A bus groove 101 is arranged in the fixing frame 1, a wire distributing hole 201 is arranged in the mounting rod 2, a wire distributing groove 302 is arranged on the mounting plate 3, and the bus groove 101, the wire distributing hole 201 and the wire distributing groove 302 are sequentially communicated. The cables of the light source generator 5 and the detector 6 are arranged in the wire dividing groove 302, penetrate through the wire dividing hole 201 and then are electrically connected with the bus in the bus groove 101, and the bus in the bus groove 101 is externally connected with a controller for coding and controlling the light source generator 5 and the detector 6.

By adopting the technical scheme, the light source generator 5 emits the emitted light beam, the light beam is received and sensed by the detector 6 when the light beam is subjected to total internal reflection in the light path refractor 4, when liquid leaks out of the light path refractor 4, the light beam is transmitted in the light path refractor 4 and does not meet the internal reflection condition due to the fact that the liquid optical refractive index is higher than the refractive index of a medium on the periphery of the light path refractor 4, the light beam refraction phenomenon exists, the detector 6 reflects the existence of the liquid leakage phenomenon by detecting the sudden change and weakening of light energy, the detected signal is transmitted to the controller, and the controller judges the water leakage position according to the signal fed.

The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel weeping detects and positioner, includes mount (1) and follows mount (1) length direction evenly distributed's weeping sensing mechanism, its characterized in that: leakage sensing mechanism adopt the mounting bracket with mount (1) fixed connection, the mounting bracket including installation pole (2), mounting panel (3), installation pole (2) with mounting panel (3) an organic whole sets up, installation pole (2) fix with on mount (1), leakage sensing mechanism includes light path refractor (4), light source generator (5), detector (6), light path refractor (4) are fixed on mounting panel (3), light source generator (5), detector (6) are followed light path refractor (4) axis symmetry sets up and is located inside light path refractor (4).

2. The novel weeping detects and positioner of claim 1, characterized in that: the axis position of light path refractor (4) is equipped with fixed orifices (401), be fixed with elastic fixing mechanism on installation pole (2), elastic fixing mechanism with mounting panel (3) are followed the axial direction dislocation set of installation pole (2), elastic fixing mechanism is located in fixed orifices (401) and with the lateral wall butt cooperation of fixed orifices (401).

3. The novel weeping detects and positioner of claim 2, characterized in that: the elastic fixing mechanism is a reed (7).

4. The novel weeping detects and positioner of claim 1, characterized in that: a first mounting hole (402) and a second mounting hole (403) are symmetrically arranged along the central axis of the light path refractor (4), the light source generator (5) is mounted in the first mounting hole (402), and the detector (6) is mounted in the second mounting hole (403).

5. The novel weeping detects and positioner of claim 4, characterized in that: light source generator (5) with be equipped with first protective housing (8) that the opening set up between first mounting hole (402), light source generator (5) are installed in first protective housing (8), detector (6) with be equipped with second protective housing (9) that the opening set up between second mounting hole (403), detector (6) are installed in the second protective housing.

6. The novel weeping detects and positioner of claim 5, characterized in that: the closed end of the first protective shell (8) is provided with a light source outlet (801), and the closed end of the second protective shell (9) is provided with a light source receiving opening (901).

7. The novel weeping detects and positioner of claim 5, characterized in that: gaskets (10) are arranged between the light source generator (5) and the opening end and the closed end of the first protective shell (8) and between the detector (6) and the opening end and the closed end of the second protective inner shell.

8. The novel weeping detects and positioner of claim 1, characterized in that: be equipped with total wire casing (101) in mount (1), be equipped with branch line hole (201) in installation pole (2), be equipped with branch line groove (302) on mounting panel (3), total wire casing (101), branch line hole (201), branch line groove (302) communicate the setting in proper order.