CN217606111U

CN217606111U - Light extractor for spark detector and spark detector

Info

Publication number: CN217606111U
Application number: CN202221730581.0U
Authority: CN
Inventors: 韩权宪
Original assignee: Foshan Keshun Building Material Co ltd
Current assignee: Foshan Keshun Building Material Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-10-18
Anticipated expiration: 2032-07-07

Abstract

A light collector and a spark detector for a spark detector comprise a shell provided with a light guide glass rod, wherein a normal compressed air guide bin capable of introducing compressed air is arranged in the shell, and one end, facing a light collecting surface of the light guide glass rod, of the normal compressed air guide bin is in an open state. The light-taking device and the spark detector can prevent the light-taking surface of the light guide glass rod in the light-taking device from being polluted and covered, have long service life, avoid manual cleaning, and save time and labor.

Description

Light extractor for spark detector and spark detector

Technical Field

The utility model relates to a spark detector that is used for light extractor of spark detector and has this light extractor.

Background

In the factory production process, in order to avoid fire for safe production, a spark detector is generally used, and particularly in the chemical production, equipment such as a batching kettle, a reaction kettle and the like is generally used, and when the equipment works, the interior of the equipment is generally in a high-temperature and heavy oil smoke state, so that the spark detector is required to be arranged in the equipment to detect whether sparks exist in the equipment or not so as to ensure the safe production. At present, because the internal environments of equipment such as a dosing kettle, a reaction kettle and the like are severe, the light-taking surface of a light-guiding glass rod in a light-taking device for a spark detector is easily covered and polluted by dust, oil stain, dirt and the like, so that the spark detector cannot normally work, and in order to ensure that the spark detector can normally work, a worker is usually required to take out the light-taking device on time and clean the light-taking surface on the light-guiding glass rod in the light-taking device, which wastes time and labor; in addition, the light collector is often covered and polluted by oil stain, dust, dirt and the like, and the service life of the light collector is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can avoid getting the light face of getting of leaded light glass stick in the light ware to receive the light ware and the spark detector of pollution cover, prolong its life, avoid the manual work to clean cleanness, labour saving and time saving.

A get optical organ for spark detector, including the casing of installing leaded light glass stick, be equipped with the normality compressed air guide bin that can let in compressed air in the casing, the one end on the plain noodles of getting of normality compressed air guide bin orientation leaded light glass stick is open state.

The utility model discloses a get optical organ for spark detector, in the course of the work, constantly inject compressed air into the compressed air guide bin of normality, make compressed air gush out from the one end of compressed air guide bin opening of normality to form the air film at the face of getting light of leaded light glass stick, so that get the light face and keep apart with greasy dirt, dust and dirt etc. and avoid polluting and get the light face, ensure that the spark detector can normally work; and because the light taking surface is not polluted and covered, the service life is greatly prolonged, and meanwhile, the situation that workers are frequently taken out to clean the light taking surface is avoided, and time and labor are saved. In addition, when being applied to equipment such as batching cauldron, reation kettle with this light taking device, in the course of the work, the equipment is inside to be in high temperature state, and light taking device can be with this kind of heat conduction to spark detector on, easily damages the spark detector, for this reason, through the compressed air who lets in the normal atmospheric temperature inside the casing, through the flow of the compressed air of normal atmospheric temperature to dispel the heat to the casing, effectively reduce the heat that conducts to the spark detector, ensure that the spark detector normally works.

Further, the casing includes the shell, is provided with the protective housing that is used for wrapping up leaded light glass stick in the shell. Through setting up the protective housing to the protection leaded light glass stick does not receive the damage.

Furthermore, an air chamber isolation shell is arranged between the shell and the protective shell, the normal compressed air guide chamber is formed between the air chamber isolation shell and the protective shell, an instant compressed air guide chamber into which compressed air can be introduced is formed between the air chamber isolation shell and the shell, and an injection pipe with an air outlet facing the light taking surface of the light guide glass rod is arranged on the instant compressed air guide chamber. After long-time use, because the compressed air contains water vapor and oil gas (very little), can pollute the light-fetching surface gradually, at this moment only need to inject compressed air into the compressed air guide storehouse in the twinkling of an eye to make compressed air spout from the gas outlet of jetting pipe, powerful compressed air spout hit on the light-fetching surface, can blow away water vapor, greasy dirt, dust and other dirty objects on the light-fetching surface, reach the purpose of purifying the light-fetching surface with this, realize the function of automatically cleaning.

Furthermore, the blowing pipe is connected to the instantaneous compressed air guide cabin in a lifting manner. The height of the injection pipe is adjusted to adjust the distance between the air outlet of the injection pipe and the light taking surface of the light guide glass rod, so that dirt on the light taking surface can be cleaned and cleaned.

Furthermore, the air outlet of the blowing pipe is opposite to the light taking surface of the light guide glass rod. Ensure that the dirt on the light extraction surface can be effectively blown off.

Furthermore, a normal compressed air injection port communicated with the normal compressed air guide bin and an instant compressed air injection port communicated with the instant compressed air guide bin are arranged on the shell.

Furthermore, electromagnetic valves are respectively arranged at the normal compressed air injection port and the instant compressed air injection port. Whether the compressed air is injected or not is controlled through the electromagnetic valve, and the control is more accurate.

Further, the open end of the normal state compressed air guide cabin is an outlet inclined towards the center line. The gushed compressed air is concentrated on the light-taking surface of the light guide glass rod, a more effective air film is further formed, and the normal work of the spark detector is effectively ensured.

Furthermore, the distance D between the intersection point of the extension line of the inclined outlet of the normal compressed air guide bin and the extension line of the central axis of the light guide glass rod and the light taking surface is more than or equal to 3mm and less than or equal to 6mm. To ensure that an effective gas film is formed at the light extraction surface.

Furthermore, the port of the protective shell, which is at the same end as the light taking surface of the light guide glass rod, is a horn-shaped light taking cup; the extension line of the side wall surface of the light-taking cup is intersected with the outer ring edge of the outlet of the normal compressed air guide bin, or the extension line of the side wall surface of the light-taking cup is not intersected with the wall surface of the normal compressed air guide bin. When the blowing pipe is used for cleaning the light-taking surface, dirt can be blown away from the light-taking surface due to instantaneous large blowing force, and the dirt can be prevented from being instantaneously blown into the normal compressed air guide bin along the inclined surface of the light-taking cup to pollute the normal compressed air guide bin because the extension line of the side wall surface of the light-taking cup is intersected with the outer ring edge of the outlet of the normal compressed air guide bin or the extension line of the side wall surface of the light-taking cup is not intersected with the wall surface of the normal compressed air guide bin.

A spark detector, including the spark detector body, the spark detector body passes through power signal interface module and is connected with above-mentioned light ware of getting.

A spark detector, because of it contains above-mentioned light ware, therefore it has the whole beneficial technological effects that above-mentioned light ware had, no longer gives unnecessary details here.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 1.

Detailed Description

An optical pickup for a spark detector is shown in fig. 1 and fig. 2, and comprises a shell provided with a light guide glass rod 2, wherein a normal compressed air guide bin 4 capable of introducing compressed air is arranged in the shell, and one end of the normal compressed air guide bin 4, which faces to a light pickup surface 6 of the light guide glass rod 2, is in an open state.

The shell comprises a shell 3, and a protective shell 1 used for wrapping the light guide glass rod 2 is arranged in the shell 3; by providing the protective case 1, the light guide glass rod 2 is protected from damage. An air bin isolation shell 9 is arranged between the shell 3 and the protective shell 1, the normal compressed air guide bin 4 is formed between the air bin isolation shell 9 and the protective shell 1, an instant compressed air guide bin 10 into which compressed air can be introduced is formed between the air bin isolation shell 9 and the shell 3, an injection pipe 12 with an air outlet facing the light extraction surface 6 of the light guide glass rod 2 is arranged on the instant compressed air guide bin 10, one end of an air inlet of the injection pipe 12 is connected to the bin wall of the instant compressed air guide bin 10, as shown in the embodiment, see fig. 1, and an injection pipe 12 is arranged on the bin wall of the instant compressed air guide bin 10 at one end of the light extraction surface 6; after long-time use, the light-taking surface 6 is gradually polluted due to the fact that the compressed air contains little water vapor and oil gas, only the compressed air needs to be injected into the instant compressed air guide bin 10, so that the compressed air is sprayed out from the air outlet of the spraying pipe 12, the powerful compressed air is sprayed out and hits the light-taking surface 6, and then water vapor, oil stain, dust and other dirt on the light-taking surface 6 can be blown away, the purpose of purifying the light-taking surface 6 is achieved, and the self-cleaning function is achieved; in addition, the light extractor is provided with the injection pipe 12 and the instantaneous compressed air guide bin 10, when the light extractor is placed in equipment such as a reaction kettle and a batching kettle, only a small number of holes need to be formed in the equipment, so that the external compressed air generation equipment can inject compressed air into the instantaneous compressed air guide bin 10, the phenomenon that holes are formed in the equipment to install the injection pipe 12 is avoided, the workload is low, and the integrity of the equipment such as the reaction kettle and the batching kettle is ensured as much as possible. The shell is provided with a normal compressed air injection port 5 communicated with the normal compressed air guide bin 4 and an instant compressed air injection port 11 communicated with the instant compressed air guide bin 10, so that the shell can be conveniently connected with external compressed air generating equipment. The electromagnetic valves are respectively arranged at the normal compressed air injection port 5 and the instant compressed air injection port 11, and whether compressed air is injected or not is controlled through the electromagnetic valves, so that the control is more accurate.

The blowing pipe 12 is connected to the instantaneous compressed air guide bin 10 in a lifting manner; the distance between the air outlet of the injection tube 12 and the light-taking surface 6 of the light guide glass rod 2 is adjusted by adjusting the height of the injection tube 12, so that dirt on the light-taking surface 6 can be cleaned; the height of the injection tube 12 can be adjusted by the threaded fit between the injection tube 12 and the housing. The air outlet of the blowing pipe 12 is over against the light-taking surface 6 of the light guide glass rod 2, so that dirt on the light-taking surface 6 can be effectively blown off.

As shown in fig. 3, the open end of the normal compressed air guide cabin 4 is an outlet 7 inclined toward the center line; so as to ensure that the gushed compressed air is concentrated at the light-taking surface 6 of the light guide glass rod 2, further form a more effective air film and effectively ensure that the spark detector body 8 can normally work. The distance between the intersection point of the extension line of the inclined outlet 7 of the normal compressed air guide bin 4 and the extension line of the central axis of the light guide glass rod 2 and the light taking surface 6 is 3mm or more and 6mm or less, the distance D can be 3mm, 4mm, 5mm or 6mm and the like, preferably 5mm, when the equipment such as a dosing kettle, a reaction kettle and the like is in a high-temperature working state, some oil drops or water drops can be sprayed in the equipment, if the distance D is too small, the oil drops or the water drops can easily penetrate through the air-permeable membrane to reach the surface of the light taking surface 6, and when the distance D is too large, the protection effect can not be achieved, dirt can still be easily attached to the light taking surface 6, so that in the range of the distance D, even if the sprayed oil drops or water drops penetrate through the air membrane, the force is weakened through the obstruction of the air membrane, the oil drops or the water drops can not reach the light taking surface due to a certain distance, and the dirt can be effectively protected from being attached to the light taking surface 6. A light-taking cup 13 with a horn-shaped port of the protective shell 1 at the same end as the light-taking surface 6 of the light-guiding glass rod 2; the extension line 14 of the side wall surface of the light-taking cup 13 intersects with the outer ring edge of the outlet 7 of the normal compressed air conducting bin 4 (intersection point B), or the extension line 14 of the side wall surface of the light-taking cup 13 does not intersect with the wall surface of the normal compressed air conducting bin 4; when the injection pipe 12 is used for cleaning the light-taking surface 6, dirt can be blown away from the light-taking surface 6 due to instantaneous large blowing force, and because the extension line of the side wall surface of the light-taking cup 13 is intersected with the outer ring edge of the outlet of the normal compressed air guide bin 4 (intersection point B), or the extension line of the side wall surface of the light-taking cup 13 is not intersected with the wall surface of the normal compressed air guide bin 4, the dirt can be prevented from being instantaneously blown into the normal compressed air guide bin 4 along the inclined surface of the light-taking cup 13 to pollute the normal compressed air guide bin 4, and the cleanness of the light-taking surface 6 is further effectively ensured.

As shown in fig. 1 and 2, the spark detector comprises a spark detector body 8, and the spark detector body 8 is connected with the light extractor through a power signal interface module 15. The power signal interface module 15 is a power and signal line interface, the hardware is the prior art, and the electrical signal connection between the power signal interface module 15 and the spark detector body 8 and between the power signal interface module and the light extractor is the prior art, which is not the point of the present invention. In addition, since the spark detector includes the above-mentioned light extractor, it has all the beneficial technical effects that the above-mentioned light extractor has, and is not described in detail herein.

Claims

1. The utility model provides a light extractor for spark detector, is including the casing of installing leaded light glass stick (2), its characterized in that: a normal compressed air guide bin (4) capable of introducing compressed air is arranged in the shell, and one end, facing the light extracting surface (6) of the light guide glass rod (2), of the normal compressed air guide bin (4) is in an open state.

2. An extractor for a spark detector according to claim 1, wherein: the shell comprises a shell (3), and a protective shell (1) used for wrapping the light guide glass rod (2) is arranged in the shell (3).

3. An extractor for a spark detector as claimed in claim 2, wherein: an air bin isolation shell (9) is arranged between the shell (3) and the protective shell (1), a normal compressed air guide bin (4) is formed between the air bin isolation shell (9) and the protective shell (1), an instant compressed air guide bin (10) capable of introducing compressed air is formed between the air bin isolation shell (9) and the shell (3), and an injection pipe (12) with an air outlet facing a light extraction surface (6) of the light guide glass rod (2) is arranged on the instant compressed air guide bin (10).

4. An extractor for a spark detector as claimed in claim 3, wherein: the shell (3) is provided with a normal compressed air injection port (5) communicated with the normal compressed air guide bin (4) and an instant compressed air injection port (11) communicated with the instant compressed air guide bin (10).

5. An extractor for a spark detector according to claim 3, wherein: the blowing pipe (12) is connected to the instantaneous compressed air guide bin (10) in a lifting manner.

6. An extractor for a spark detector as claimed in claim 5, wherein: the air outlet of the blowing pipe (12) is over against the light-taking surface (6) of the light guide glass rod (2).

7. An extractor for a spark detector according to any one of claims 1 to 6, wherein: the opening end of the normal compressed air guide bin (4) is an outlet (7) inclined towards the center line.

8. An extractor for a spark detector as claimed in claim 7, wherein: the distance between the intersection point of the extension line of the inclined outlet (7) of the normal compressed air guide bin (4) and the extension line of the central axis of the light guide glass rod (2) and the light taking surface (6) is more than or equal to 3mm and less than or equal to 6mm.

9. An extractor for a spark detector according to any one of claims 1 to 6 or 8, wherein: a light-taking cup (13) with a trumpet-shaped port of the protective shell (1) at the same end with the light-taking surface (6) of the light-guiding glass rod (2); an extension line (14) of the side wall surface of the light-taking cup (13) is intersected with the outer ring edge of the outlet (7) of the normal compressed air guide bin (4), or the extension line (14) of the side wall surface of the light-taking cup (13) is not intersected with the wall surface of the normal compressed air guide bin (4).

10. A spark detector comprising a spark detector body (8), characterized in that: the spark detector body (8) is connected with the light extractor in any one of claims 1-9 through a power signal interface module (15).