CN213874675U

CN213874675U - Mining intrinsic safety type sensor housing structure

Info

Publication number: CN213874675U
Application number: CN202120208574.3U
Authority: CN
Inventors: 柴执宾; 范士国; 李伯通; 李连辉; 高俊洋; 张海茹
Original assignee: Tianjin Tonglian Electric Co ltd
Current assignee: Tianjin Tonglian Electric Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-08-03
Anticipated expiration: 2031-01-25

Abstract

The utility model provides a mining ann's type sensor dustcoat structure, including shell, back lid, glan head, probe shell and fixed extension board, the shell is the tubbiness structure, and shell one end is equipped with first through-hole, and the lid is covered after the other end installation of shell, and the shell outside sets up a plurality of mutual parallel arrangement's fixed extension board, and every fixed extension board is all external mounting bracket, and the one end of glan head cup joint extremely in the first through-hole, back lid middle part sets up the second through-hole, and the one end of probe shell cup joints extremely in the second through-hole, and the probe shell is located the outside of shell, and inside the sensor probe installed to the probe shell, the signal processing circuit board was located inside the shell, the one end of signal line was passed glan head fixed connection to signal processing circuit board. Mining ann's type sensor dustcoat structure, through the mode with sensor probe and the whole parcel of circuit board cover dustproof, waterproof, and avoid filling the gluey mode, the later stage maintenance of being convenient for, and economic environmental protection.

Description

Mining intrinsic safety type sensor housing structure

Technical Field

The utility model belongs to sensor protection field especially relates to a mining ann's type sensor dustcoat structure.

Background

The underground working condition environment of mine is complicated, in order to ensure production requirements such as production safety often set up many infrared temperature sensor in the well, but well air humidity, along with dust or corrosive gas, and install all expose in the air at present at each position infrared temperature sensor's in the well probe, infrared probe's optical lens can be stained with dust and water stain, influence detection effect, and humid environment also can cause the inside circuit board of sensor to become invalid, thereby caused sensor probe life to reduce, performance reliability reduces and uncontrollable, great hidden danger has been caused for production safety.

Disclosure of Invention

In view of this, the utility model aims at providing a mining ann's type sensor housing structure to solve the operational environment of moist many dirt in the pit, cause the problem that sensor life reduces.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a mining ann's type sensor dustcoat structure, includes shell, back lid, glan head, probe shell and fixed extension board, and the shell is the tubbiness structure, and shell one end is equipped with first through-hole, and the lid is covered after the other end installation of shell, and the shell outside sets up a plurality of mutual parallel arrangement's fixed extension board, and every fixed extension board is all external mounting bracket, and the one end of glan head cup joint extremely in the first through-hole, back lid middle part set up the second through-hole, the one end of probe shell cup joint extremely in the second through-hole, and the probe shell is located the outside of shell, and inside the sensor probe installation to the probe shell, the signal processing circuit board was located inside the shell, the one end of signal line passes glan head fixed connection to signal processing circuit board.

Furthermore, the shell and the fixed support plates are of an integrated structure.

Furthermore, the shell and the fixed support plates are made of non-metal materials.

Furthermore, the rear cover comprises a cover body and a U-shaped frame, the second through hole is formed in the middle of the cover body, the periphery of the cover body is sleeved with the inner ring of the shell, a plurality of blind holes used for installing the U-shaped frame are further formed in the cover body, the U-shaped frame is located inside the shell, and one end of the signal processing circuit board is installed on the U-shaped frame.

Furthermore, a third through hole for installing an indicator light is further formed in the cover body.

Furthermore, the indicator light is installed inside the third through hole, the indicator light signal is connected to the signal processing circuit board, and transparent adhesive tape is filled on the periphery of the indicator light and inside the third through hole.

Further, the cross section of the cover body is of a T-shaped structure.

Furthermore, the cover body comprises a first ring body and a second ring body which are of an integral structure, the second through hole penetrates through the first ring body and the second ring body, the second ring body is provided with external threads, the first ring body is connected to the inner ring of the shell through the second ring body in a threaded mode, the first ring body is located outside the shell, and one end of the probe shell is fixedly connected to the inner ring of the first ring body.

Furthermore, a first sealing ring is arranged between the first ring body and the shell, and the first sealing ring is located on the periphery of the second ring body.

Further, the probe shell includes block, second sealing washer, separation blade and pipe box, and the fixed cover of first end of pipe box connects to the second through-hole, the second end installation block of pipe box, and the second end of pipe box is equipped with the annular, installation separation blade in the annular, block are the tubbiness structure, and the block middle part is equipped with the fourth through-hole, and the separation blade both sides set up second sealing washer and third sealing washer respectively, and the second sealing washer is located the block bottom, the third sealing washer is located the annular bottom, separation blade are colorless transparent material, and the sensor probe is installed to the pipe box inside, and is located the separation blade below, and the pipe box periphery sets up the loop platform, sets up the fourth sealing washer between loop platform and the back lid.

Compared with the prior art, mining ann's type sensor housing structure have following advantage:

(1) mining ann's type sensor dustcoat structure, through the mode with sensor probe and the whole parcel of circuit board cover dustproof, waterproof, and avoid filling the gluey mode, the later stage maintenance of being convenient for, and economic environmental protection.

(2) Mining ann's type sensor housing structure, shell and a plurality of fixed extension board are ABS engineering plastics integrative structure of moulding plastics, use engineering plastics to mould plastics and save the cost promptly, alleviate product weight, influence signal transmission with preventing the metal material, it is obstructed to avoid antenna signal transmission on the circuit board, is suitable for polytype sensor and transmission mode.

(3) Mining ann's type sensor housing structure, set up colorless transparent separation blade in the probe shell, can be through the cleanness of periodic replacement in order to ensure this part window, easy and simple to handle and controllable.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of a housing structure of a mining intrinsic safety type sensor according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a rear cover according to an embodiment of the present invention;

fig. 3 is a schematic diagram of an explosion structure of a probe shell according to an embodiment of the present invention.

Description of reference numerals:

1-a housing; 2-rear cover; 21-a cover body; 22-a first sealing ring; 23-U-shaped frame; 3-glan head; 4-a probe housing; 41-a cap; 42-a second seal ring; 43-baffle plate; 44-a pipe sleeve; 45-ring table; 5-fixing the support plate.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-3, the mining intrinsic safety type sensor housing structure includes a housing 1, a rear cover 2, a glan head 3, a probe shell 4 and a fixing support plate 5, the housing 1 is a barrel structure, one end of the housing 1 is provided with a first through hole, the other end of the housing 1 is provided with the rear cover 2, the exterior of the housing 1 is provided with a plurality of fixing support plates 5 arranged in parallel, each fixing support plate 5 is externally connected with a mounting frame, the glan head 3 is an M25 type glan of the prior art, one end of the glan head 3 is sleeved in the first through hole, the glan head 3 is used for connecting cables in series to prevent water leakage and dust leakage of the part, the middle part of the rear cover 2 is provided with a second through hole, one end of the probe shell 4 is sleeved in the second through hole, the probe shell 4 is located outside the housing 1, the sensor probe is installed in the probe shell 4, the probe shell 4 is used for protecting the probe part of the sensor to prevent the probe from being polluted, the signal processing circuit board is located inside the shell 1, the one end of signal line passes 3 fixed connection on the glan head to the signal processing circuit board, the signal processing circuit board is CLTE-AT type base plate, the shell 1 is used for the dustproof of circuit board, it is waterproof, prevent that circuit and device on the circuit board from short circuit and damaging, shell 1 and a plurality of fixed extension board 5 mould plastics an organic whole structure for ABS engineering plastics, use engineering plastics to mould plastics and save the cost promptly, lighten product weight, influence signal transmission with can preventing the metal material, avoid antenna signal transmission is obstructed on the circuit board, be suitable for multiple type sensor and transmission mode, this shell 1 structure is dustproof through the mode of covering sensor probe and circuit board parcel entirely, waterproof, and avoid the mode of filling glue, be convenient for later maintenance, and economic environmental protection.

The rear cover 2 comprises a cover body 21 and a U-shaped frame 23, the second through hole is formed in the middle of the cover body 21, the periphery of the cover body 21 is sleeved with an inner ring of the shell 1, a plurality of blind holes used for installing the U-shaped frame 23 are formed in the cover body 21, the U-shaped frame 23 is located inside the shell 1, one end of the signal processing circuit board is installed on the U-shaped frame 23, and therefore the signal processing circuit board is convenient to fix and prevent connecting wires from loosening or damaging devices due to vibration.

Still be equipped with the third through-hole that is used for installing the pilot lamp on the lid 21, inside the pilot lamp installation to the third through-hole, pilot lamp signal connection to signal processing circuit board, and the pilot lamp is peripheral and the inside transparent adhesive tape that fills of third through-hole, and the purpose of filling transparent adhesive tape can the printing opacity, can guarantee this partial sealed again.

The cross section of lid 21 is T type structure, and lid 21 includes first ring body and the second ring body of a body structure, the second through-hole link up first ring body and second ring body, and the second ring body is equipped with the external screw thread, and first ring body passes through the inner circle of second ring body threaded connection to shell 1, and first ring body is located the shell 1 outside, and the one end fixed connection of probe shell 4 is equipped with first sealing washer 22 between first ring body and the shell 1, and first sealing washer 22 is located the second ring body periphery, ensures this partial sealed.

The probe shell 4 comprises a cap 41, a second sealing ring 42, a blocking piece 43 and a pipe sleeve 44, the first end of the pipe sleeve 44 is fixedly sleeved on the second through hole, the cap 41 is installed at the second end of the pipe sleeve 44, an annular groove is formed at the second end of the pipe sleeve 44, the blocking piece 43 is installed in the annular groove, the cap 41 is of a barrel-shaped structure, a fourth through hole is formed in the middle of the cap 41, the second sealing ring 42 and the third sealing ring are respectively arranged on two sides of the blocking piece 43, the second sealing ring 42 is located at the bottom of the cap 41, the third sealing ring is located at the bottom of the annular groove, the blocking piece 43 is a colorless and transparent glass piece, cleaning of a part of a window can be ensured through periodic replacement, the sensor probe is installed inside the pipe sleeve 44 and located below the blocking piece 43, a ring platform 45 is arranged on the periphery of the pipe sleeve 44, a fourth sealing ring is arranged between the ring platform 45 and the rear cover 2, sealing of the part is ensured, and the sensor probe is prevented from being corroded by a complex environment, affecting the service life.

The above description is only a 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. Mining ann's type sensor dustcoat structure, its characterized in that: including shell (1), back lid (2), glan head (3), probe shell (4) and fixed extension board (5), shell (1) is the tubbiness structure, and shell (1) one end is equipped with first through-hole, and lid (2) behind the other end installation of shell (1), shell (1) outside sets up a plurality of mutual parallel arrangement's fixed extension board (5), and every fixed extension board (5) all external mounting bracket, the one end of glan head (3) cup joint extremely in the first through-hole, back lid (2) middle part sets up the second through-hole, the one end of probe shell (4) cup joint extremely in the second through-hole, and probe shell (4) are located the outside of shell (1), and the sensor probe is installed to probe shell (4) inside, and the signal processing circuit board is located inside shell (1), the one end of signal line passes glan head (3) fixed connection to signal processing circuit board.

2. The mining intrinsically safe sensor housing structure of claim 1, wherein: the shell (1) and the plurality of fixed support plates (5) are of an integrated structure.

3. The mining intrinsically safe sensor housing structure of claim 1, wherein: the shell (1) and the fixed support plates (5) are made of non-metal materials.

4. The mining intrinsically safe sensor housing structure of claim 1, wherein: the rear cover (2) comprises a cover body (21) and a U-shaped frame (23), the second through hole is formed in the middle of the cover body (21), the periphery of the cover body (21) is sleeved to the inner ring of the shell (1), a plurality of blind holes used for installing the U-shaped frame (23) are further formed in the cover body (21), the U-shaped frame (23) is located inside the shell (1), and one end of the signal processing circuit board is installed on the U-shaped frame (23).

5. The mining intrinsically safe sensor housing structure of claim 4, wherein: the cover body (21) is also provided with a third through hole for mounting an indicator lamp.

6. The mining intrinsically safe sensor housing structure of claim 5, wherein: the indicating lamp is installed to the inside of the third through hole, the indicating lamp signal is connected to the signal processing circuit board, and transparent adhesive tape is filled on the periphery of the indicating lamp and in the third through hole.

7. The mining intrinsically safe sensor housing structure of claim 4, wherein: the cross section of the cover body (21) is of a T-shaped structure.

8. The mining intrinsically safe sensor housing structure of claim 7, wherein: the cover body (21) comprises a first ring body and a second ring body which are of an integral structure, the second through hole penetrates through the first ring body and the second ring body, the second ring body is provided with external threads, the first ring body is connected to the inner ring of the shell (1) through threads of the second ring body, the first ring body is located outside the shell (1), and one end of the probe shell (4) is fixedly connected to the inner ring of the first ring body.

9. The mining intrinsically safe sensor housing structure of claim 8, wherein: a first sealing ring (22) is arranged between the first ring body and the shell (1), and the first sealing ring (22) is positioned on the periphery of the second ring body.

10. The mining intrinsically safe sensor housing structure of claim 1, wherein: probe shell (4) are including block (41), second sealing washer (42), separation blade (43) and pipe box (44), and the fixed cover of first end of pipe box connects to the second through-hole, second end installation block (41) of pipe box, and the second end of pipe box is equipped with the annular, installation separation blade (43) in the annular, block (41) are the tubbiness structure, and block (41) middle part is equipped with the fourth through-hole, and separation blade (43) both sides set up second sealing washer (42) and third sealing washer respectively, and second sealing washer (42) are located block (41) bottom, the third sealing washer is located the ring tank bottom, separation blade (43) are colorless transparent material, and sensor probe installs to inside pipe box (44), and is located separation blade (43) below, and pipe box (44) periphery sets up ring platform (45), sets up the fourth sealing washer between ring platform (45) and back lid (2).