CN221124396U

CN221124396U - Gas purity monitoring sealing dustproof thermal conductivity sensor device

Info

Publication number: CN221124396U
Application number: CN202323232147.7U
Authority: CN
Inventors: 张世兴
Original assignee: Beijing Hanks Technology Co ltd
Current assignee: Beijing Hanks Technology Co ltd
Priority date: 2023-11-29
Filing date: 2023-11-29
Publication date: 2024-06-11
Anticipated expiration: 2033-11-29

Abstract

The utility model relates to the technical field of thermal conductivity sensor devices, and discloses a gas purity monitoring sealing dustproof thermal conductivity sensor device, which comprises a shell and a pipeline to be detected, wherein the pipeline to be detected is arranged at the bottom of the shell, a mounting mechanism is arranged in the shell, a sealing mechanism is arranged at the top of the shell, an auxiliary fixing pin is inserted into the shell to assist the fixing of the upper cover in the shell, the upper cover and the shell are prevented from loosening, E-60NC epoxy resin electronic glue is used for filling and sealing, and the sealing effect is improved, so that the thermal conductivity sensor has the advantages of integration, sealing performance and pressure resistance, the sensor is suitable for complex and changeable environments in industrial production sites, a movable bead body is extruded by a spring I, the movable bead body is clamped into a clamping groove formed in the pipeline to be detected, the device is fixed with the pipeline to be detected, and the device can be separated from the pipeline to be detected by sliding the sliding sleeve, so that the device is more convenient to install.

Description

Gas purity monitoring sealing dustproof thermal conductivity sensor device

Technical Field

The utility model relates to the technical field of thermal conductivity sensor devices, in particular to a gas purity monitoring sealing dustproof thermal conductivity sensor device.

Background

The gas purity monitoring is widely applied in the field of industrial production, and particularly the stability and reliability of the thermal conductivity sensor in the production process are important, but corrosive and toxic harmful substances are contained in the gas, the temperature change of the gas, other particulate impurity components and the like are monitored, and the inside of the sensor is damaged.

The sensor is in the direct application service environment, and in the field application of the sensor, the sensor is often disturbed by monitoring the temperature change of the gas environment, the impurity particles and corrosive substances contained in the gas, the damage of the sensor is caused, the data monitoring integrity of industrial production is affected, unnecessary cost expenditure is caused, and the existence of potential dangerous accidents is accompanied, so the tightness of the sensor must be ensured, meanwhile, the sensor is installed on a pipeline to be detected mostly through screwing, the rear part of the sensor is connected with an electric wire, the electric wire is screwed tightly by screwing the sensor, and the electric wire is damaged, so that the gas purity monitoring sealing dustproof thermal conductivity sensor device needs to be improved to solve the problems.

Disclosure of utility model

The utility model aims to provide a gas purity monitoring, sealing, dust-proof and heat-conducting sensor device, which solves the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sealed dustproof thermal conductivity sensor device of gas purity monitoring, includes the shell and waits to detect the pipeline, wait to detect the pipeline setting in the bottom of shell, the inside of shell is provided with mounting mechanism, the top of shell is provided with sealing mechanism.

The mounting mechanism comprises a mounting assembly and a connecting assembly, wherein the mounting assembly is arranged in the shell, and the connecting assembly is arranged in the shell.

Preferably, the installation component includes the thermal conductivity cell, the thermal conductivity cell sets up in the inside of shell, be provided with explosion-proof filter between thermal conductivity cell and the shell, the inside fixed mounting of thermal conductivity cell has the PCB circuit board, be provided with the thermal conductivity chip between PCB circuit board and the thermal conductivity cell, the inside movable mounting of shell has the upper cover, seals the shell through the upper cover.

Preferably, the shell, the heat conduction pool and the upper cover are all made of 316L stainless steel, the PCB is arranged on the inner side of the upper part of the heat conduction pool, and the device is more corrosion-resistant by using the 316L stainless steel through the encapsulation of the K-9530H heat conduction resin adhesive.

Preferably, the connecting assembly comprises a sliding sleeve, the sliding sleeve is slidably mounted outside the shell, a first spring is fixedly mounted inside the sliding sleeve, a first limit ring is fixedly mounted outside the shell, a second limit ring is fixedly mounted outside the shell, a movable bead body is movably mounted inside the shell, and the sliding sleeve is reset through the first spring.

Preferably, one end of the first spring far away from the sliding sleeve is fixedly arranged outside the first limiting ring, the number of the movable beads is four, limiting grooves are formed in the surface of the pipeline to be detected, the movable beads are clamped in the limiting grooves formed in the surface of the pipeline to be detected, and the movable beads are clamped in the limiting grooves formed in the surface of the pipeline to be detected, so that the device is connected with the pipeline to be detected.

Preferably, the sealing mechanism comprises an auxiliary fixing pin, the auxiliary fixing pin is slidably mounted in the upper cover, a second spring is fixedly mounted on the inner side of the auxiliary fixing pin, a fixing hole is formed in the outer shell, a sealing groove is formed in the outer portion of the upper cover, sealing threads are arranged on the outer portion of the upper cover, and the auxiliary fixing pin keeps moving trend of outwards pushing through the second spring.

Preferably, the number of the auxiliary fixing pins, the second springs and the fixing holes is four, the auxiliary fixing pins are inserted into the fixing holes, and the auxiliary fixing pins are inserted into the fixing holes, so that the upper cover and the shell are fixed.

Compared with the prior art, the utility model provides a gas purity monitoring sealing dustproof thermal conductivity sensor device, which has the following beneficial effects:

1. this sealed dustproof thermal conductivity sensor device of gas purity monitoring inserts the inside of shell through the upper cover for supplementary fixed pin assists the upper cover at the inside fixed of shell, has guaranteed not hard up between upper cover and the shell, and the sealed of E-60NC epoxy resin electronic glue filling has improved sealed effect, and thermal conductivity sensor more has wholeness, leakproofness and pressure resistance like this, makes the sensor use and is fit for the complex changeable environment in industrial production scene.

2. This sealed dustproof thermal conductivity sensor device of gas purity monitoring for the sliding sleeve no longer extrudes movable bead, inserts the device and waits to detect the head of pipeline, unclamps the sliding sleeve, under the effect of spring one, makes the sliding sleeve extrude movable bead, makes movable bead card go into the draw-in groove of waiting to detect the pipeline offered, makes the device fixed with waiting to detect the pipeline, and the sliding sleeve can make the device break away from with waiting to detect the pipeline, makes the installation of device more convenient.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a schematic view of the appearance structure of the present utility model;

FIG. 2 is a schematic diagram of the front cross-sectional appearance structure of the present utility model;

FIG. 3 is a schematic view of the external appearance of the mounting assembly of the present utility model;

FIG. 4 is a schematic view of the external structure of the connecting assembly according to the present utility model;

FIG. 5 is a schematic view of the seal mechanism of the present utility model;

fig. 6 is an enlarged schematic view of the structure a in fig. 5 according to the present utility model.

In the figure: 1. a housing; 2. a pipeline to be detected; 3. a mounting mechanism; 4. a sealing mechanism; 31. a mounting assembly; 32. a connection assembly; 311. a thermal conductivity cell; 312. an explosion-proof filter sheet; 313. a PCB circuit board; 314. a thermal conductance chip; 315. an upper cover; 321. a sliding sleeve; 322. a first limiting ring; 323. a first spring; 324. a movable bead body; 325. a second limiting ring; 41. auxiliary fixing pins; 42. a second spring; 43. a fixing hole; 44. sealing grooves; 45. sealing the screw thread.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiment one:

referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a sealed dustproof thermal conductivity sensor device of gas purity monitoring, includes shell 1 and treats detection pipeline 2, treats the bottom that detection pipeline 2 set up at shell 1, and the inside of shell 1 is provided with installation mechanism 3, and the top of shell 1 is provided with sealing mechanism 4.

The mounting mechanism 3 includes a mounting assembly 31 and a connection assembly 32, the mounting assembly 31 being disposed inside the housing 1, and the connection assembly 32 being disposed inside the housing 1.

Further, the mounting assembly 31 includes a thermal conductivity cell 311, the thermal conductivity cell 311 is disposed in the housing 1, an explosion-proof filter sheet 312 is disposed between the thermal conductivity cell 311 and the housing 1, a PCB circuit board 313 is fixedly mounted in the thermal conductivity cell 311, a thermal conductivity chip 314 is disposed between the PCB circuit board 313 and the thermal conductivity cell 311, an upper cover 315 is movably mounted in the housing 1, and the housing 1 is sealed by the upper cover 315.

Further, the casing 1, the heat conducting pool 311 and the upper cover 315 are all made of 316L stainless steel, the PCB circuit board 313 is arranged on the inner side of the upper portion of the heat conducting pool 311, and the device is made to be more corrosion-resistant by using the 316L stainless steel through the encapsulation of the K-9530H heat conducting resin adhesive.

Further, the connecting assembly 32 comprises a sliding sleeve 321, the sliding sleeve 321 is slidably mounted on the outer portion of the shell 1, a first spring 323 is fixedly mounted in the sliding sleeve 321, a first limit ring 322 is fixedly mounted on the outer portion of the shell 1, a second limit ring 325 is fixedly mounted on the outer portion of the shell 1, a movable bead 324 is movably mounted in the inner portion of the shell 1, and the sliding sleeve 321 is reset through the first spring 323.

Further, one end of the first spring 323, which is far away from the sliding sleeve 321, is fixedly arranged outside the first limiting ring 322, the number of the movable beads 324 is four, limiting grooves are formed in the surface of the pipeline 2 to be detected, the movable beads 324 are clamped in the limiting grooves formed in the surface of the pipeline 2 to be detected, and the limiting grooves formed in the surface of the pipeline 2 to be detected are clamped through the movable beads 324, so that the device is connected with the pipeline 2 to be detected.

Embodiment two:

Referring to fig. 5-6, in combination with the first embodiment, further obtaining that the sealing mechanism 4 includes an auxiliary fixing pin 41, the auxiliary fixing pin 41 is slidably mounted in the upper cover 315, a second spring 42 is fixedly mounted in the inner side of the auxiliary fixing pin 41, a fixing hole 43 is formed in the housing 1, a sealing groove 44 is formed in the outer portion of the upper cover 315, a sealing thread 45 is formed in the outer portion of the upper cover 315, and the auxiliary fixing pin 41 keeps a movement trend of pushing outwards through the second spring 42.

Further, the number of the auxiliary fixing pins 41, the second springs 42 and the fixing holes 43 is four, the auxiliary fixing pins 41 are inserted into the fixing holes 43, and the auxiliary fixing pins 41 are inserted into the fixing holes 43, so that the upper cover 315 is fixed with the housing 1.

In the actual operation process, when the device is used, the explosion-proof filter sheet 312 and the thermal conductivity cell 311 are pushed into the reserved groove of the shell 1, the thermal conductivity chip 314 is implanted into the cavity of the thermal conductivity cell 311, the PCB circuit board 313 is placed inside the upper side of the thermal conductivity cell 311, the space is tightly combined, and is encapsulated by the K-9530H thermal conductivity resin adhesive, the primary sealing effect is achieved, after the device is stabilized for about 24 hours, a TT-K-36 special thermal conductivity compensation wire is welded on the PCB circuit board 313, the wire passes through the upper cover 315 and is smeared with K-0262 thread locking adhesive, the device is screwed onto the shell 1 through the sealing thread 45 to achieve the anti-loosening and sealing effects, after standing for 4 hours, the upper cover 315 is inserted into the shell 1 until the device is at a proper position, the auxiliary fixing pin 41 is inserted into the fixing hole 43 under the action of the second spring 42, the auxiliary fixing pin 41 is used for assisting the fixing of the upper cover 315 in the shell 1, the E-60NC epoxy resin electronic glue is used for filling and sealing at the sealing groove 44 formed in the upper cover 315, standing is performed in the natural environment for about 24 hours, no looseness is ensured between the upper cover 315 and the outer shell 1, and the sealing effect is improved, so that the thermal conductivity sensor has more integration, sealing performance and pressure resistance, when detection is needed, the sliding sleeve 321 is slid, the sliding sleeve 321 does not squeeze the movable bead 324 any more, the movable bead 324 can move, the device is inserted into the head of the pipeline 2 to be detected, the sliding sleeve 321 is released, the sliding sleeve 321 is reset under the action of the spring 323, the sliding sleeve 321 presses the movable bead 324, the movable bead 324 is clamped into the clamping groove formed in the pipeline 2 to be detected, the device is fixed with the pipeline 2 to be detected, after detection is finished, the device is separated from the pipeline 2 to be detected by the sliding sleeve 321, so that the installation of the device is more convenient.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims

1. The utility model provides a gas purity monitoring seals dustproof thermal conductivity sensor device, includes shell (1) and waits to detect pipeline (2), its characterized in that: the pipeline to be detected (2) is arranged at the bottom of the shell (1), a mounting mechanism (3) is arranged in the shell (1), and a sealing mechanism (4) is arranged at the top of the shell (1);

The mounting mechanism (3) comprises a mounting assembly (31) and a connecting assembly (32), wherein the mounting assembly (31) is arranged inside the shell (1), and the connecting assembly (32) is arranged inside the shell (1).

2. The gas purity monitoring sealed dustproof thermal conductivity sensor device according to claim 1, wherein: the installation component (31) comprises a heat conduction pool (311), the heat conduction pool (311) is arranged in the shell (1), an explosion-proof filter sheet (312) is arranged between the heat conduction pool (311) and the shell (1), a PCB circuit board (313) is fixedly installed in the heat conduction pool (311), a heat conduction chip (314) is arranged between the PCB circuit board (313) and the heat conduction pool (311), and an upper cover (315) is movably installed in the shell (1).

3. A gas purity monitoring sealed dust-proof thermal conductivity sensor apparatus according to claim 2, wherein: the shell (1), the heat conduction pool (311) and the upper cover (315) are made of 316L stainless steel, and the PCB (313) is arranged on the inner side of the upper part of the heat conduction pool (311) and is encapsulated by K-9530H heat conduction resin adhesive.

4. The gas purity monitoring sealed dustproof thermal conductivity sensor device according to claim 1, wherein: the connecting assembly (32) comprises a sliding sleeve (321), the sliding sleeve (321) is slidably mounted outside the shell (1), a first spring (323) is fixedly mounted inside the sliding sleeve (321), a first limiting ring (322) is fixedly mounted outside the shell (1), a second limiting ring (325) is fixedly mounted outside the shell (1), and a movable bead body (324) is movably mounted inside the shell (1).

5. The gas purity monitoring sealed dustproof thermal conductivity sensor device according to claim 4, wherein: one end of the first spring (323) far away from the sliding sleeve (321) is fixedly arranged outside the first limiting ring (322), the number of the movable beads (324) is four, limiting grooves are formed in the surface of the pipeline (2) to be detected, and the movable beads (324) are clamped in the limiting grooves formed in the surface of the pipeline (2) to be detected.

6. A gas purity monitoring sealed dust-proof thermal conductivity sensor apparatus according to claim 2, wherein: sealing mechanism (4) are including assisting fixed pin (41), assist fixed pin (41) slidable mounting in the inside of upper cover (315), the inboard fixed mounting of assisting fixed pin (41) has two springs (42), fixed orifices (43) have been seted up to the inside of shell (1), seal groove (44) have been seted up to the outside of upper cover (315), the outside of upper cover (315) is provided with sealed screw thread (45).

7. The gas purity monitoring sealed dustproof thermal conductivity sensor apparatus of claim 6, wherein: the number of the auxiliary fixing pins (41), the springs II (42) and the fixing holes (43) is four, and the auxiliary fixing pins (41) are inserted into the fixing holes (43).