CN210180878U - Photoelectric sensor mounting seat for dust concentration detection - Google Patents

Abstract

The utility model discloses a photoelectric sensor mount pad for dust concentration detection, the photoelectric sensor mount pad top is equipped with the mounting groove that is used for installing photoelectric sensor, and its below is equipped with the installation boss of light guide channel, and the entrance that the light guide channel is located below communicates with dust detection main cavity body, and the export that is located above communicates with the mounting groove and is used for transmitting the light signal to photoelectric sensor; the outer peripheral surface of the mounting boss is respectively provided with a step-shaped light guide mounting step along the up-down direction, the first-stage light guide mounting step positioned above is fixedly mounted and connected with the upper part of the dust detection main cavity, and the bottom of the mounting groove is provided with a sealing gasket; the last stage of light guide mounting step positioned below is inserted into a photoelectric sensor mounting opening positioned above the dust detection main cavity; the utility model discloses not only can help the leaded light intercommunication, ensure to carry out the accuracy that dust concentration detected, avoid the consumption of extra light pipe moreover, effectively save structural cost to and reduced the installation procedure.

Description

Photoelectric sensor mounting seat for dust concentration detection

Technical Field

The utility model belongs to dust concentration detecting system field, concretely relates to a photoelectric sensor mount pad for dust concentration detects.

Background

The realization of the precise monitoring of the dust concentration is an important link for realizing the effective modern environmental safety management of the modern society and manufacturing enterprises. With the continuous upgrade and innovation of the technology level, people also have higher and higher precision requirements on the dust concentration detection device, and therefore, related functional modules of the existing dust concentration detection device are required to be improved and perfected continuously.

To this end, the applicant has proposed some patents related to dust concentration detection device, such as chinese utility model patent with the publication of authority CN206504981U, which discloses a dust concentration measuring device, including a dust cavity, a sampling cavity communicated with the dust cavity for collecting dust, a sampling pipe arranged in the sampling cavity, a fan communicated with the dust cavity, a laser pipe arranged in the sampling pipe for irradiating the fan, a support member arranged between the sampling pipe and the sampling cavity, a measuring mechanism arranged between the sampling cavity and the fan and communicated with the dust cavity for measuring dust concentration, and a filter layer arranged between the measuring mechanism and the dust cavity for transmitting light irradiated by the laser pipe and reflecting white light. Two ends of the sampling cavity are tapered and shrunk along the opposite directions to form a dust inlet and a dust outlet respectively; one end of the sampling pipe, which is far away from the dust cavity, is contracted in a conical manner along the direction of the dust cavity; the measuring mechanism is positioned above the light path irradiated by the laser tube. The utility model relates to a dust concentration measuring device, which basically eliminates the interference of white light in the environment and can accurately measure the dust concentration in the environment; however, after the following intensive research and development and technical upgrade, the applicant finds that there are still places to be improved on the aspects of light blocking light path design, air inlet channel design, installation structure convenience, installation sealing performance of the photoelectric sensor, dust pollution of the photoelectric sensor and the irradiation laser in an effective mode, and the like, so as to improve the detection precision of the dust concentration detection device.

For this reason, the applicant has made creative improvements on a plurality of functional modules and mounting structures thereof respectively based on CN206504981U based on years of dedicated research and grasped theoretical knowledge in the field of dust concentration detection combined with actual demand conditions, and has intensively proposed a plurality of patent application protection aiming at the technical solutions of the improvements.

Disclosure of Invention

In view of this, the utility model aims at providing a photoelectric sensor mount pad for dust concentration detection not only can help the leaded light intercommunication, ensures the utility model discloses carry out the accuracy that dust concentration detected, avoided the consumption of extra light pipe moreover, effectively saved the structure cost to and reduced installation procedure.

The utility model adopts the technical scheme as follows:

a photoelectric sensor mounting seat for dust concentration detection is integrally formed by adopting a lightproof black resin material, a mounting groove for mounting a photoelectric sensor is arranged above the photoelectric sensor mounting seat, a mounting boss of a light guide channel is arranged below the photoelectric sensor mounting seat, an inlet of the light guide channel, which is positioned below the light guide channel, is communicated with a dust detection main cavity body, and an outlet of the light guide channel, which is positioned above the light guide channel, is communicated with the mounting groove and is used for transmitting optical signals to the photoelectric sensor; the outer peripheral surface of the mounting boss is respectively provided with a stepped light guide mounting step along the up-down direction, wherein the first-stage light guide mounting step positioned above is fixedly mounted and connected with the upper part of the dust detection main cavity, and the bottom of the mounting groove is provided with a sealing gasket; the last stage of light guide mounting step positioned below is inserted into a photoelectric sensor mounting port positioned above the dust detection main cavity.

Preferably, a shading cover plate is fixedly connected above the mounting groove.

In order to seek the dust concentration detection result with higher precision, the applicant of the present invention respectively makes creative improvements to a plurality of functional modules and the installation structure thereof on the basis of CN 206504981U:

first, the utility model provides an innovation mounting structure for dust concentration detecting system specifically is to sampling inlet channel and relevant functional structure setting side-mounting about the dust detects the main cavity body, with the laser pipe setting at the leading flank or the trailing flank of dust detection main cavity body, set up simultaneously and should correspond the light filling that is used for being in the light with the laser pipe, avoid the laser pipe to send the loss of laser, set up photoelectric sensor in the top of dust detection main cavity body in addition, the below is used for the installation fixed, this structure effectively avoids prior art to manage the setting of laser in sampling inlet channel, not only can influence the laser irradiation effect, still has the quality risk by dust pollution simultaneously, the utility model discloses mounting structure is compact, rationally distributed, has obviously improved the utility model discloses precision to dust concentration detection.

Second, the utility model provides a high-efficient sampling air inlet mounting structure for dust concentration detects has specifically adopted by the sampling mouth that connects gradually, and impact head and air inlet seat form the utility model discloses a sampling inlet channel, the impact head conical cover plain noodles of installing in shading sampling channel not only can effectively avoid getting into dust detection main cavity internal portion in the sampling process, and this conical cover plain noodles's the direct body coupling in bottom has the impact head installation end plate structure of opening, no longer sets up any other bushing structure, therefore can be with outside dust air current drainage to opening department fast high-efficiently, then convey in to inlet channel fast through this opening to high-efficient shading effect and quick sampling air inlet have been ensured simultaneously.

Third, the utility model provides a sampling mouth for dust concentration detects adopts lighttight black resin material integrated into one piece, has specifically set up first conical surface shading sampling passageway and second conical surface shading sampling passageway that mutual intercommunication and tapering set up relatively to be greater than the tapering of second conical surface shading sampling passageway the tapering of first conical surface shading sampling passageway, simple structure, easily manufacturing, through experimental verification can effectively avoid external light source to get into inside inlet channel, can not cause negative effects to sampling inlet efficiency simultaneously, has avoided adopting CN206504981U to set up the more technical problem that the shading structure of dysmorphism extension exists inside its sampling structure very much: not only the installation procedure is inconvenient, is unfavorable for subsequent dismouting clearance to be maintained moreover, and its machining dimension also receives great restriction simultaneously, and is too big when the size, does not have the shading effect, and when the undersize, is unfavorable for the sampling and admits air.

Fourth, the utility model provides an air inlet seat for dust concentration detects, adopt the black resin material integrated into one piece of lightproof, specifically include the first conical surface shading inlet channel of mutual intercommunication, the circular inlet channel in middle part and second conical surface shading inlet channel, first conical surface shading inlet channel is bilateral symmetry distribution with second conical surface shading inlet channel along the circular inlet channel central line in middle part, moreover, the steam generator is simple in structure, easily manufacturing, very convenient clearance is maintained, through experimental verification, this distinctive structural design is guaranteeing to have under the prerequisite of high-efficient shading performance, do benefit to the improvement of sampling air intake efficiency, effectively improve the accuracy that dust concentration detected.

Fifth, the utility model provides a dust detection main cavity body with high-efficient installation function sets up a plurality of installing ports on its main cavity body casing, specifically includes: the photoelectric sensor is provided with a photoelectric sensor mounting port positioned above, a sampling air inlet mounting port and a fan mounting port which are respectively positioned on the left side surface and the right side surface and the central lines of which are parallel, and a laser tube mounting port and a light stuffing mounting port which are respectively positioned on the front side surface and the rear side surface and the central lines of which are parallel; this dust detects main cavity body can be directly correspond the installation cooperation with other functional module high efficiency ground directly fast, and the mounting structure of the type that cup joints is makeed reduce to the greatest extent, and this not only is favorable to the accuracy of dust concentration detection itself, can help quick installation moreover, reduces the installation degree of difficulty, improves installation production efficiency.

Sixth, the utility model provides a laser pipe mounting structure for dust concentration detects sets up on the opposite side that the parallel with the dust detection main cavity body that installs the laser pipe corresponds and corresponds complex light filling part with the laser pipe very much, wherein, still further proposes the adoption and is the multistage light filling groove structure of echelonment as the main structure that is in the light of light filling part, effectively ensures that the laser energy that the laser pipe shines is kept in the dust detection owner cavity and is effectively gathered the discernment by photoelectric sensor and detect, and then can ensure the precision that dust concentration detected.

Seventh, the utility model provides a photoelectric sensor mount pad for dust concentration detection has creatively proposed and sets up the leaded light installation step that is the echelonment respectively along its upper and lower direction at the installation boss outer peripheral face, and this leaded light installation step can be connected in order to realize its installation cooperation with dust detection main cavity body and photoelectric sensor, not only can help the leaded light intercommunication, ensures the utility model discloses carry out the accuracy of dust concentration detection, avoided the consumption of extra light pipe moreover, effectively saved structural cost to and reduced the installation procedure.

It should be particularly noted that, in the specific implementation of the present invention, the multiple functional modules and the improved solutions of the mounting structures thereof can be combined and implemented according to the embodiment, or a single improved functional module or a single mounting structure can be combined and implemented in the prior art, which can bring respective technical effects, solve new technical problems, and because these are implemented and applied separately, the implementation can be realized by combining conventional technical means on the basis of the content recorded in the present specification by those skilled in the art, therefore, the present embodiment is not expanded one by one to be a specific and separate implementation description.

Drawings

Fig. 1 is a front partial sectional view of an assembly structure of a dust concentration detection system 100 according to an embodiment of the present invention;

fig. 2 is a side partial sectional view of an assembly structure of the dust concentration detection system 100 according to the embodiment of the present invention;

FIG. 3 is an assembly view of the high efficiency sampling intake mounting structure according to the embodiment of the present invention;

fig. 4 is a side cross-sectional view of an impact head 200 according to an embodiment of the present invention;

fig. 5 is a front sectional view of an impact head 200 according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a lower sampling nozzle 110 according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a lower air inlet seat 190 according to an embodiment of the present invention;

fig. 8 is a front sectional view of the main dust detection chamber 120 according to the embodiment of the present invention;

fig. 9 is a side sectional view of the main dust detection chamber 120 according to the embodiment of the present invention;

FIG. 10 is a schematic view of the structure of the light stuffing 180 according to the embodiment of the present invention;

fig. 11 is a schematic structural diagram of a photosensor holder 300 according to an embodiment of the present invention.

Detailed Description

The embodiment of the utility model discloses a photoelectric sensor mount pad for dust concentration detection adopts lightproof black resin material integrated into one piece, is equipped with the mounting groove that is used for installing photoelectric sensor above the photoelectric sensor mount pad, and its below is equipped with the installation boss of leaded light passageway simultaneously, and the entrance that leaded light passageway is located the below communicates with dust detection main cavity body, and the export that is located the top communicates with the mounting groove and is used for transmitting the light signal to photoelectric sensor; the outer peripheral surface of the mounting boss is respectively provided with a stepped light guide mounting step along the up-down direction, wherein the first-stage light guide mounting step positioned above is fixedly mounted and connected with the upper part of the dust detection main cavity, and the bottom of the mounting groove is provided with a sealing gasket; the last stage of light guide mounting step positioned below is inserted into a photoelectric sensor mounting port positioned above the dust detection main cavity.

The embodiment of the utility model provides a creatively proposes to set up the leaded light installation step that is the echelonment respectively along its upper and lower direction at the installation boss outer peripheral face, and this leaded light installation step can be connected in order to realize its installation cooperation with dust detection main cavity body and photoelectric sensor, not only can help the leaded light intercommunication, ensures the utility model discloses a carry out the accuracy nature that dust concentration detected, avoided the consumption of extra light pipe moreover, effectively saved structural cost to and reduced the installation procedure.

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but 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 shall belong to the protection scope of the present invention.

Referring to fig. 1 and 2, an installation structure of a dust concentration detection system 100 includes a sampling nozzle 110, a main dust detection cavity 120 with efficient installation function, a blower 130 for air intake, a photoelectric sensor 140, a laser tube 150, a sample outlet 160, and an installation housing 170 with an internal installation space 171, and referring to fig. 8 and 9, the main dust detection cavity 120 is a main cavity housing 120b with an integrated structure and an internal detection space 120a, the main cavity shell 120b is respectively provided with a photoelectric sensor mounting port 121 positioned above, a sampling air inlet mounting port 122 and a fan mounting port 123 which are respectively positioned on the left side and the right side and have parallel central lines, and a laser tube mounting port 124 and a light stuffing mounting port 125 which are respectively positioned on the front side and the rear side and have parallel central lines; the photoelectric sensor mounting port 121 is connected with the photoelectric sensor 140 in an installing manner, the sampling air inlet mounting port 122 is connected with the sampling nozzle 110 in an installing manner, the sampling nozzle 110 is fixedly installed on the installing shell 170, the fan mounting port 123 is connected with the fan 130 used for air inlet of the sampling nozzle 110 in an installing manner, the laser tube mounting port 124 is provided with the laser tube 150, and the light stuffing mounting port 125 is connected with the light stuffing 180 used for blocking light in an installing manner;

preferably, in this embodiment, the main cavity housing 120b is further provided with a plurality of threaded holes 126 for fixing and mounting;

preferably, in the present embodiment, the blower 130 is mounted on the blower mounting port 123 through the blower fixing plate 131 and the blower partition 132 and is fastened by screws, and the sample outlet 160 is arranged below the blower partition 131;

preferably, in the present embodiment, the sampling nozzle 110 is connected with the sampling air inlet mounting port 122 through the air inlet seat 190;

preferably, please further refer to fig. 3, this embodiment further preferably provides a high-efficiency sampling air intake installation structure for dust concentration detection, the sampling air intake installation structure includes a sampling nozzle 110 and an air intake seat 190 installed on the installation housing 170, a light-shielding sampling channel 111 is provided inside the sampling nozzle 110, an air intake channel 191 communicated with the light-shielding sampling channel 111 is provided inside the air intake seat 190, the air intake channel 191 is communicated with one side of the dust detection main cavity 120, and a fan 130 communicated with the air intake channel 191 is provided on the other side of the dust detection main cavity 120; an impact head 200 is arranged between the sampling nozzle 110 and the air inlet seat 190, and as further shown in fig. 4 and 5, the impact head 200 includes an impact head mounting end plate 210 connected with the sampling nozzle 110, a plurality of through ports 220 for sampling and air inlet are uniformly distributed on the periphery of the impact head mounting end plate 210 at intervals, two sides of the through ports 220 are respectively communicated with the light-shielding sampling channel 111 and the air inlet channel 191, a conical light-shielding surface 230 extends integrally on the inner periphery of the mounting end plate 210, and the top of the conical light-shielding surface 230 is located in the light-shielding sampling channel 111;

preferably, in the present embodiment, the central line of the blower 130 is parallel to the central line of the air inlet seat 190, which is beneficial to fast sampling of the inlet air;

preferably, in the present embodiment, the sampling nozzle 110, the impact head 200 and the air inlet seat 190 are all made of opaque black resin material, and specifically, black epoxy resin may be respectively integrally injection molded;

preferably, in the present embodiment, the number of the through openings 220 is 4, and the through openings 220 are waist-shaped openings;

preferably, in this embodiment, a fastening socket groove 192 is provided at an inner peripheral end of the air inlet seat 190, and an installation boss 112 fastened and sleeved with the fastening socket groove 192 is provided at an outer peripheral end of the sampling nozzle 110;

preferably, referring to fig. 6, this embodiment further preferably provides a sampling nozzle 110, which includes a first conical light-shielding sampling channel 111a and a second conical light-shielding sampling channel 111b that are communicated with each other, where the first conical light-shielding sampling channel 111a is provided with a sampling inlet 113 for communicating with an external detection environment, and the second conical light-shielding sampling channel 111b is provided with a sampling outlet 114 for communicating with a dust detection main cavity 120; a connecting port 115 is formed between the first conical surface shading sampling channel 111a and the second conical surface shading sampling channel 111b, and the aperture of the connecting port 115 is smaller than the aperture of the sampling inlet 113 and the aperture of the sampling outlet 114; the taper of the second conical surface shading sampling channel 111b is larger than that of the first conical surface shading sampling channel 111 a;

preferably, in the present embodiment, an impact head 200 is disposed in the second conical light-shielding sampling channel 111b, the impact head 200 includes an impact head mounting end plate 210 connected to the sampling outlet 114, and the top of the conical light-shielding surface 230 is located at the connection port 115;

preferably, in the present embodiment, the sampling outlet 114 of the second conical light-shielding sampling channel 111b communicates with the sampling inlet mounting port 122 through the inlet seat 190;

preferably, referring to fig. 7, the present embodiment further preferably provides an air inlet seat 190, the air inlet seat 190 is provided with a first conical shading air inlet channel 191a, a middle circular air inlet channel 191b and a second conical shading air inlet channel 191c which are communicated with each other, the first conical shading air inlet channel 191a is provided with a first air inlet 193 for communicating with the second conical shading sampling channel 111b, and the second conical shading air inlet channel 191c is provided with a second air inlet 194 for communicating with the sampling air inlet mounting port 122; the first conical shading air inlet channel 191a and the second conical shading air inlet channel 191c are symmetrically distributed along the central line of the middle circular air inlet channel 191 b;

preferably, in the present embodiment, the second tapered light-shielding sampling channel 111b communicates with the first tapered light-shielding intake channel 191a through the through opening 220;

preferably, the present embodiment further preferably provides an installation structure of a laser tube 150, the installation structure of the laser tube 150 includes laser tubes 150 respectively installed on laser tube installation ports 124, and a light stuffing 180 correspondingly matched with the laser tubes 150 is installed on the light stuffing installation ports 125, wherein please refer to fig. 10 further, the light stuffing 180 includes a sleeve 181 and a light shielding cover plate 182 which are fixedly connected into a whole and are internally provided with a light stuffing structure, and the sleeve 181 is installed on the light stuffing installation ports 125; the optical stuffing structure comprises a step-shaped multi-stage optical stuffing groove 183, the caliber of the notch of the last stage optical stuffing groove 183b close to the light-shielding cover plate 182 is larger than that of the notch of the first stage optical stuffing groove 183a close to the laser tube mounting opening 124;

preferably, in the present embodiment, the stuffing structure comprises 6-10 steps of stuffing grooves 183; particularly preferably, in the present embodiment, the optical filling structure comprises a stepped 8-level optical filling groove 183; in other embodiments of the present invention, the number of the specific stuffing grooves 183 can be specifically set according to actual requirements, which is not particularly limited by the present invention;

preferably, as further shown in fig. 11, the present embodiment further preferably provides a photosensor mount 300, which is integrally formed by using a light-tight black resin material, wherein a mounting groove 310 for mounting the photosensor 140 is disposed above the photosensor mount 300, and a mounting boss 330 of a light guide channel 320 is disposed below the photosensor mount 300, an inlet 321 of the light guide channel 320 located below is communicated with the photosensor mounting opening 121, and an outlet 322 located above is communicated with the mounting groove 310 for transmitting an optical signal to the photosensor 140; wherein, the outer peripheral surface of the mounting boss 330 is respectively provided with a stepped light guiding mounting step 340 along the upper and lower directions, wherein, the first light guiding mounting step 340a positioned above is fixedly mounted and connected with the upper part of the main cavity shell 120b, and the bottom of the mounting groove 310 is provided with a sealing gasket (not shown); the last stage of light guiding installation step 340b positioned below is inserted into the photoelectric sensor installation opening 121 positioned above the dust detection main cavity 120;

preferably, in the present embodiment, the light shielding cover 350 is fixedly connected above the mounting groove 310.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (2)

1. A photoelectric sensor mounting seat for dust concentration detection is integrally formed by adopting a lightproof black resin material and is characterized in that a mounting groove for mounting a photoelectric sensor is arranged above the photoelectric sensor mounting seat, a mounting boss of a light guide channel is arranged below the photoelectric sensor mounting seat, an inlet at the lower part of the light guide channel is communicated with a dust detection main cavity, and an outlet at the upper part of the light guide channel is communicated with the mounting groove and is used for transmitting optical signals to the photoelectric sensor; the outer peripheral surface of the mounting boss is respectively provided with a stepped light guide mounting step along the up-down direction, wherein the first-stage light guide mounting step positioned above is fixedly mounted and connected with the upper part of the dust detection main cavity, and the bottom of the mounting groove is provided with a sealing gasket; the last stage of light guide mounting step positioned below is inserted into a photoelectric sensor mounting port positioned above the dust detection main cavity.

2. The photoelectric sensor mounting seat for dust concentration detection according to claim 1, wherein a light shielding cover plate is fixedly connected above the mounting groove.

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