CN216051485U

CN216051485U - Explosion-proof dew point meter

Info

Publication number: CN216051485U
Application number: CN202122472715.5U
Authority: CN
Inventors: 王斌
Original assignee: Yungong Measurement And Testing Co ltd
Current assignee: Yungong Measurement And Testing Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-03-15
Anticipated expiration: 2031-10-13

Abstract

The application provides an explosion-proof dew point meter belongs to the explosion-proof technical field of dew point meter. The anti-explosion dew point instrument comprises a main tube body and a positioning tube. The main pipe body comprises a first ceramic pipe, the positioning pipe fitting comprises a second ceramic pipe, a third ceramic pipe, a humidity sensor and a sealing bag, the second ceramic pipe is in threaded sleeve connection with one end of the first ceramic pipe, the humidity sensor is arranged inside the second ceramic pipe, the second ceramic pipe is communicated with the first ceramic pipe, the third ceramic pipe is in threaded sleeve connection with one end of the first ceramic pipe, one end of the second ceramic pipe and one end of the third ceramic pipe are respectively communicated with the sealing bag, an external pipeline penetrates through the sealing bag to be communicated with the second ceramic pipe and the third ceramic pipe, the sealing bag is arranged to prevent a large amount of combustible gas from contacting with internal elements of the dew point instrument, the internal elements of the dew point instrument are prevented from generating sparks, and the service life of the dew point instrument is prolonged.

Description

Explosion-proof dew point meter

Technical Field

The application relates to the technical field of dew point instrument explosion prevention, in particular to an explosion-proof dew point instrument.

Background

The dew point meter is used for humidity detection's equipment, and present traditional explosion-proof dew point meter lacks gaseous separation at the part with external circuit pipeline contact, leads to the dew point meter in-process of use, and outside a large amount of combustible gas can be along circuit pipeline part entering dew point meter, thereby leads to the interior component of dew point meter to produce the spark and explode to the damage dew point meter.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above deficiencies, the present application provides an explosion proof dew point meter, which aims to improve the above problems.

The embodiment of the application provides an explosion-proof dew point instrument, including being responsible for the body and location pipe fitting.

The main pipe body comprises a first ceramic pipe, a circuit board is embedded in the ceramic pipe, the positioning pipe comprises a second ceramic pipe, a third ceramic pipe, a humidity sensor and a sealing bag, the second ceramic pipe is in threaded sleeve connection with one end of the first ceramic pipe, the humidity sensor is arranged in the second ceramic pipe, the second ceramic pipe is communicated with the first ceramic pipe, the third ceramic pipe is in threaded sleeve connection with one end of the first ceramic pipe, the third ceramic pipe is communicated with the first ceramic pipe, and one end of the second ceramic pipe is communicated with the sealing bag.

In the implementation process, the external pipeline penetrates through the sealing bag to be communicated with the second ceramic pipe and the third ceramic pipe, the sealing bag is arranged to prevent a large amount of combustible gas from contacting with internal elements of the dew point instrument, the internal elements of the dew point instrument are prevented from generating sparks, and the service life of the dew point instrument is prolonged.

In a specific embodiment, a cavity is arranged inside the ceramic tube, the circuit board is fixed inside the cavity, and the circuit board is electrically connected with the humidity sensor.

In the implementation process, the cavity is formed in the ceramic tube, the circuit board is fixed in the cavity, the circuit board is electrically connected with the humidity sensor, and the circuit board is conveniently and fixedly installed through the arranged cavity.

In a specific embodiment, the cavity is filled with an epoxy resin layer, and the epoxy resin layer is arranged corresponding to the first ceramic tube.

In the above-mentioned realization process, the inside packing of cavity has the epoxy layer, and the epoxy layer corresponds the setting with first ceramic pipe, and through the epoxy layer that sets up, convenient separation combustible gas's circulation avoids the inside component of dew point meter to produce the spark, improves dew point meter life.

In a specific embodiment, the first ceramic tube is externally provided with a handle, and the handles are arranged in a plurality at intervals.

In the implementation process, the handle is arranged outside the first ceramic pipe, the handle interval is set to be a plurality of, and the dew point instrument is convenient for an external operator to hold through the handle.

In a specific embodiment, a dust-proof net cover is arranged inside the second ceramic tube, and the dust-proof net cover is arranged corresponding to the humidity sensor.

In the above-mentioned realization process, the inside dust screen lid that is provided with of second ceramic pipe, dust screen lid and humidity transducer correspond the setting, and through the dust screen lid that sets up, it is convenient to prevent dust humidity transducer and external contact part to improve dew point hygrometer result of use.

In a specific embodiment, an elastic band is arranged on one side of the sealing bag, and the elastic band is arranged corresponding to the sealing bag.

In the above-mentioned realization process, sealing bag one side is provided with the elastic webbing, and the elastic webbing corresponds the setting with the sealing bag, and through the elastic webbing that sets up, the convenience is fixed the tight laminating of sealing bag on outside circuit pipeline surface, avoids inside a large amount of combustible gas gets into the dew point hygrometer.

In a specific embodiment, the sealing bags are arranged in a plurality of intervals, the adjacent sealing bags are communicated, and the elastic band is fixed on one side of one sealing bag.

In the implementation process, the sealing bags are arranged at intervals and communicated with each other, the elastic band is fixed on one side of one sealing bag, and the circuit pipeline is conveniently coated outside through the arranged sealing bags.

In a particular embodiment, said cavity is also provided inside said third ceramic tube, said sealed bag being in communication with said cavity.

In the implementation process, a cavity is also formed in the third ceramic tube, the sealing bag is communicated with the cavity, and the electrical connectors are conveniently installed and fixed through the arranged cavity.

In a specific embodiment, an electrical connector is arranged inside the cavity, and the electrical connector is electrically connected with the circuit board.

In the implementation process, the cavity is internally provided with the electrical connector, the electrical connector is electrically connected with the circuit board, and the electrical connector is conveniently mounted with an electrical circuit.

In a specific embodiment, a rubber ring is arranged inside the elastic band, and the rubber ring is arranged corresponding to the elastic band.

In the above-mentioned realization process, the elastic webbing inside is provided with the rubber ring, and the rubber ring corresponds the setting with the elastic webbing, through the rubber ring that sets up, conveniently improves the laminating effect of elastic webbing and circuit pipeline.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic structural diagram of an explosion-proof dew point instrument provided by an embodiment of the application;

fig. 2 is a schematic structural diagram of a circuit board portion according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a portion of an epoxy resin layer provided in an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a part of a rubber ring provided in an embodiment of the present application.

In the figure: 100-a main tubular body; 110-a first ceramic tube; 111-a cavity; 112-a handle; 113-a circuit board; 114-an epoxy layer; 200-positioning the pipe fitting; 210-a second ceramic tube; 211-dust screen cover; 220-a third ceramic tube; 230-an electrical connector; 240-humidity sensor; 250-sealing the bag; 251-an elastic band; 252-rubber ring.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-4, the present application provides an explosion-proof dew point instrument, which includes a main tube 100 and a positioning tube 200.

Referring to fig. 1 to 4, the main tube 100 includes a first ceramic tube 110, and a circuit board 113 is embedded inside the first ceramic tube 110.

In some specific embodiments, a cavity 111 is formed inside the first ceramic tube 110, and the circuit board 113 is fixed inside the cavity 111, wherein the circuit board 113 is fixed inside the cavity 111 by bolts, the circuit board 113 is electrically connected to the humidity sensor 240, and the circuit board 113 is conveniently installed and fixed through the cavity 111.

In some specific embodiments, the cavity 111 is filled with an epoxy layer 114, the epoxy layer 114 is disposed corresponding to the first ceramic tube 110, and the disposed epoxy layer 114 is used to facilitate blocking of the combustible gas, prevent the internal components of the dew point instrument from generating sparks, and prolong the service life of the dew point instrument.

In some specific embodiments, a handle 112 is disposed outside the first ceramic tube 110, wherein the handle 112 is adhesively fixed outside the first ceramic tube 110, the handles 112 are disposed at intervals, and by disposing the handles 112, an external operator can conveniently hold the dew point instrument.

Referring to fig. 1-4, the positioning tube 200 includes a second ceramic tube 210, a third ceramic tube 220, a humidity sensor 240 and a sealing bag 250, the second ceramic tube 210 is screwed on one end of the first ceramic tube 110, wherein a sealing ring is disposed at a connection position of the second ceramic tube 210 and the first ceramic tube 110, the humidity sensor 240 is disposed inside the second ceramic tube 210, the second ceramic tube 210 is communicated with the first ceramic tube 110, the third ceramic tube 220 is screwed on one end of the first ceramic tube 110, wherein a sealing ring is disposed at a connection position of the third ceramic tube 220 and the first ceramic tube 110, the third ceramic tube 220 is communicated with the first ceramic tube 110, one ends of the second ceramic tube 210 and the third ceramic tube 220 are respectively communicated with the sealing bag 250, an external pipeline passes through the sealing bag 250 to be communicated with the second ceramic tube 210 and the third ceramic tube 220, and a large amount of combustible gas is prevented from contacting with internal elements of the dew point instrument by the sealing bag 250, prevent dew point meter internal component from producing the spark, improve dew point meter life.

In some specific embodiments, a dust screen cover 211 is arranged inside the second ceramic tube 210, wherein the dust screen cover 211 is fixed inside the second ceramic tube 210 through bolts, the dust screen cover 211 corresponds to the humidity sensor 240, and the humidity sensor 240 and the external contact part are conveniently protected from dust through the arranged dust screen cover 211, so that the use effect of the dew point instrument is improved.

In some specific embodiments, the elastic band 251 is disposed on one side of the sealing bag 250, wherein the elastic band 251 is adhesively fixed on one side of the sealing bag 250, the elastic band 251 is disposed corresponding to the sealing bag 250, and the sealing bag 250 is conveniently and closely attached to the surface of the external circuit pipeline by the elastic band 251, so as to prevent a large amount of flammable gas from entering the inside of the dew point instrument.

In some specific embodiments, the sealing bags 250 are arranged in a plurality of intervals, and the adjacent sealing bags 250 are communicated with each other, wherein the adjacent sealing bags 250 are communicated with each other by adhesion, the elastic band 251 is fixed on one side of one sealing bag 250, and the circuit pipeline is conveniently coated outside by the arranged plurality of sealing bags 250.

In some specific embodiments, the third ceramic tube 220 is also provided with a cavity 111 inside, and the sealing bag 250 is communicated with the cavity 111, so that the electrical connector 230 can be conveniently installed and fixed through the provided cavity 111.

In some embodiments, an electrical connector 230 is disposed inside the cavity 111, the electrical connector 230 is electrically connected to the circuit board 113, and the electrical connector 230 is disposed to facilitate installation of electrical circuits.

In some specific embodiments, a rubber ring 252 is disposed inside the elastic band 251, wherein the rubber ring 252 is adhesively fixed inside the elastic band 251, the rubber ring 252 is disposed corresponding to the elastic band 251, and the fitting effect between the elastic band 251 and the circuit line is conveniently improved by the disposed rubber ring 252.

The working principle of the explosion-proof dew point instrument is as follows: during the use, pass the sealed bag 250 with external circuit pipeline and be connected with second ceramic pipe 210 and third ceramic pipe 220, elastic band 251 on the sealed bag 250 for the sealed bag 250 can effectively laminate outside the circuit pipeline, and the rubber ring 252 of the inside setting of elastic band 251 has further improved the laminating effect of circuit pipeline and sealed bag 250, has avoided combustible gas to contact with dew point meter inner member in a large number, avoids dew point meter inner member to produce the spark, improves dew point meter life.

It should be noted that the specific model specifications of the circuit board 113, the electrical connector 230, and the humidity sensor 240 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.

The power supply of the circuit board 113, the electrical connector 230 and the humidity sensor 240 and the principles thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An explosion-proof dew point instrument is characterized by comprising

A primary pipe body (100), the primary pipe body (100) comprising a first ceramic pipe (110), a circuit board (113) being embedded inside the first ceramic pipe (110);

the positioning pipe fitting (200) comprises a second ceramic pipe (210), a third ceramic pipe (220), a humidity sensor (240) and a sealing bag (250), wherein the second ceramic pipe (210) is sleeved at one end of the first ceramic pipe (110) in a threaded manner, the humidity sensor (240) is arranged inside the second ceramic pipe (210), the second ceramic pipe (210) is communicated with the first ceramic pipe (110), the third ceramic pipe (220) is sleeved at one end of the first ceramic pipe (110) in a threaded manner, the third ceramic pipe (220) is communicated with the first ceramic pipe (110), and one ends of the second ceramic pipe (210) and the third ceramic pipe (220) are respectively communicated with the sealing bag (250).

2. An explosion-proof dew point meter as claimed in claim 1, characterized in that a cavity (111) is arranged inside the first ceramic tube (110), the circuit board (113) is fixed inside the cavity (111), and the circuit board (113) is electrically connected with the humidity sensor (240).

3. An explosion-proof dew point meter as claimed in claim 2, characterized in that the cavity (111) is internally filled with a layer of epoxy (114), the layer of epoxy (114) being arranged in correspondence of the first ceramic tube (110).

4. An explosion-proof dew point instrument as claimed in claim 3, characterized in that the first ceramic tube (110) is externally provided with a handle (112), and the handles (112) are arranged in a plurality at intervals.

5. An explosion-proof dew point meter as claimed in claim 2, characterized in that a dust screen cover (211) is arranged inside the second ceramic tube (210), and the dust screen cover (211) is arranged corresponding to the humidity sensor (240).

6. An explosion-proof dew point meter as claimed in claim 5, characterized in that an elastic band (251) is arranged on one side of the sealed bag (250), the elastic band (251) being arranged in correspondence with the sealed bag (250).

7. An explosion-proof dew point meter as claimed in claim 6, characterized in that the sealing bags (250) are arranged in a plurality of spaced-apart intervals, the adjacent sealing bags (250) are communicated with each other, and the elastic band (251) is fixed on one side of one sealing bag (250).

8. An explosion proof dew point meter as claimed in claim 7, characterized in that the third ceramic tube (220) is also provided with the cavity (111) inside, the sealed bag (250) being in communication with the cavity (111).

9. An explosion proof dew point meter as claimed in claim 8 wherein an electrical connector (230) is arranged inside the cavity (111), the electrical connector (230) being electrically connected to the circuit board (113).

10. An explosion-proof dew point meter as claimed in claim 9, characterized in that a rubber ring (252) is arranged inside the elastic band (251), the rubber ring (252) being arranged in correspondence with the elastic band (251).