Explosion-proof pressure sensor

Abstract

The utility model discloses an explosion-proof pressure sensor, which comprises a plurality of sensor main bodies, each sensor main body is respectively provided with a pipeline wrapping piece and a pipeline connecting part, each pipeline wrapping piece comprises an annular wrapping main body and a plurality of main body extension parts integrally formed with the annular wrapping main body, and the main body extension parts are arranged along the circumferential direction of the annular wrapping main body. A gap is formed between every two adjacent main body extending parts, an elastic strip is arranged between every two adjacent main body extending parts, and one end of each elastic strip is fixedly connected with the annular wrapping main body. The explosion-proof pressure sensor disclosed by the utility model has the beneficial effects that the pipeline coating piece not only can effectively coat and fasten the pipeline connecting part, but also can have a certain elastic space at the joint of the sensor main body and the pipeline, so that the sensor chip positioned at the joint can more accurately measure the pressure of the pipeline.

Description

Technical Field

[0001] The utility model belongs to the field of pressure detection equipment, and particularly relates to an explosion-proof pressure sensor. Background Art

[0002] The utility model patent with the publication number CN218349696U and the theme name of an explosion-proof pressure transmitter has an IPC classification number of G01L19 / 06. Its technical solution discloses that "when using the explosion-proof pressure transmitter 4, first thread-connect the explosion-proof pressure transmitter 4 to the external connection through the bottom connecting rod 5. At the same time, the support rod is located inside the two clamping plates 203. Then, cooperate with the rotating rod 6 to drive the double-headed stud 202 to rotate. The rotating double-headed stud 202 drives the clamping plate 203 to move inward on the outer wall of the straight plate 204. The moving clamping plate 203 cooperates with the cushion 3 to clamp the support rod, completing the installation and support of the explosion-proof pressure transmitter. Start the explosion-proof pressure transmitter 4 to convert the detected pressure signal into an electrical signal through the pressure sensor. The electrical signal is modulated and then sent to a dedicated digital processing chip for data processing, prompting the operator to perform timely elimination to achieve the explosion-proof function".

[0003] It can be seen that the above utility model patent has already disclosed one of the technical solutions of the explosion-proof pressure sensor. However, the technical solution disclosed in the above utility model patent does not solve problems such as how to improve the protection ability at the joint of the sensor and the pipeline, and further improvement is needed. Summary of the Utility Model

[0004] The utility model aims at the current situation of the prior art, overcomes the above defects, and provides an explosion-proof pressure sensor.

[0005] The utility model adopts the following technical solutions. The explosion-proof pressure sensor includes:

[0006] Multiple sensor bodies, each sensor body is respectively provided with a pipeline coating part and a pipeline connection part. The pipeline coating part includes a ring-shaped coating main body and a plurality of main body extension parts integrally formed with the ring-shaped coating main body. The main body extension parts are arranged along the circumferential direction of the ring-shaped coating main body. There is a spacing between adjacent main body extension parts, and an elastic strip is provided between adjacent main body extension parts. One end of the elastic strip is fixedly connected to the ring-shaped coating main body;

[0007] A pipeline, the pipeline includes a main pipeline and a plurality of branch pipelines, and each branch pipeline is respectively communicated with the pipeline connection part.

[0008] As a preferred technical solution of the above technical solution, the pipeline includes a first branch, and the first branch includes a first water outlet section, a first water supply section, a first fixing member, and a first positioning member. The main pipeline is communicated with the first water outlet section, the first water outlet section is communicated with the first water supply section, the first fixing member is located at the joint of the first water outlet section and the first water supply section, and the first positioning member is located at the joint of the first water supply section and the pipeline connection part.

[0009] As a preferred technical solution of the above technical solution, the pipeline includes a second branch, and the second branch includes a second water outlet section, a second water supply section, a second fixing member, and a second positioning member. The main pipeline is communicated with the second water outlet section, the second water outlet section is communicated with the second water supply section, the second fixing member is located at the joint of the second water outlet section and the second water supply section, and the second positioning member is located at the joint of the second water supply section and the pipeline connection part.

[0010] As a preferred technical solution of the above technical solution, the pipeline further includes a first support member. The first support member is provided with a planar support portion and an L-shaped support portion integrally formed with the planar support portion, and the planar support portion is in contact with the main pipeline.

[0011] As a preferred technical solution of the above technical solution, the pipeline further includes a second support member. The second support member is provided with a bent portion and a contact portion integrally formed with the bent portion, and the bent portion is in contact with the main pipeline.

[0012] The explosion-proof pressure sensor disclosed by the utility model has the following beneficial effects:

[0013] 1. The pipeline covering member can not only effectively cover and fasten the pipeline connection part, but also have a certain elastic space at the joint of the sensor body and the pipeline, so that the sensor chip located there can more accurately measure the pipeline pressure.

[0014] 2. Different sensor bodies can respectively measure the pressures at different positions of the pipeline, so as to more comprehensively perceive the overall pressure state of the pipeline, and avoid the failure to detect local pressure fluctuations of the pipeline in time due to the too sparse or unreasonable distribution of the sensor bodies, thus avoiding potential safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view of the present application.

[0016] Figure 2 is the side view of the present application.

[0017] Figure 3 is the top view of the present application.

[0018] Figure 4 is the perspective view of one angle of the present application.

[0019] Figure 5It is a perspective view of another angle of the present application.

[0020] The reference numerals include: 100 - sensor body; 110 - pipeline covering member; 111 - annular covering main body; 112 - elastic strip; 113 - main body extension part; 120 - pipeline connection part; 200 - pipeline; 210 - main pipeline; 220 - first branch; 221 - first water outlet section; 222 - first water supply section; 223 - first fixing member; 224 - first positioning member; 230 - second branch; 230 - second branch; 231 - second water outlet section; 232 - second water supply section; 233 - second fixing member; 234 - second positioning member; 240 - first support member; 241 - planar support part; 242 - L-shaped support part; 250 - second support member; 251 - bending part; 252 - contact part. Detailed implementation manners

[0021] The present utility model discloses an explosion-proof pressure sensor. Below, in combination with a preferred embodiment (Embodiment 1), referring to the Figures 1-5 drawings, a further description of the detailed implementation manners of the present utility model will be given.

[0022] Referring to the Figures 1 to 5 , Figures 1 to 5 the explosion-proof pressure sensors from different perspectives are respectively shown.

[0023] Embodiment 1 (One end of the elastic strip 112 (the end close to the annular covering main body 111) is fixedly connected to the annular covering main body 111).

[0024] Preferably, the explosion-proof pressure sensor includes:

[0025] Multiple sensor bodies 100, each sensor body 100 is respectively provided with a pipeline covering member 110 and a pipeline connection portion 120. The pipeline covering member 110 includes an annular covering main body 111 and a plurality of main body extension portions 113 integrally formed with the annular covering main body 111. The main body extension portions 113 are arranged along the circumferential direction of the annular covering main body 111. There is a gap between adjacent main body extension portions 113 for embedding an elastic strip 112. An elastic strip 112 is provided between adjacent main body extension portions 113. One end of the elastic strip 112 (the end close to the annular covering main body 111) is fixedly connected to the annular covering main body 111, so that there is a gap between the other end of the elastic strip 112 (the end far from the annular covering main body 111) and the pipeline connection portion 120. In this way, the pipeline covering member 110 can not only effectively cover and fasten the pipeline connection portion 120, but also have a certain elastic space at the joint between the sensor body 100 and the pipeline 200 (i.e., on the side of the pipeline connection portion 120 close to the branch of the pipeline 200), so that the sensor chip located there can more accurately measure the pipeline pressure, while protecting the sensor chip from external interference and improving the explosion-proof ability;

[0026] A pipeline 200, the pipeline 200 includes a main pipeline 210 and a plurality of branches (the same number as the sensor bodies 100). Each branch is respectively communicated with the pipeline connection portion 120, so that different sensor bodies 100 can respectively measure the pressures at different positions (branches) of the pipeline 200, thereby more comprehensively perceiving the overall pressure state of the pipeline 200, and avoiding the failure to timely detect local pressure fluctuations of the pipeline 200 and potential safety hazards caused by too sparse or unreasonable distribution of the sensor bodies 100.

[0027] Among them, the pipeline 200 includes a first branch 220. The first branch 220 includes a first water outlet section 221, a first water supply section 222, a first fixing member 223 and a first positioning member 224. The main pipeline 210 is communicated with the first water outlet section 221. The first water outlet section 221 is communicated with the first water supply section 222. The first fixing member 223 is located at the joint of the first water outlet section 221 and the first water supply section 222. The first positioning member 224 is located at the joint of the first water supply section 222 and the pipeline connection portion 120.

[0028] Among them, the pipeline 200 includes a second branch 230. The second branch 230 includes a second water outlet section 231, a second water supply section 232, a second fixing member 233 and a second positioning member 234. The main pipeline 210 is communicated with the second water outlet section 231. The second water outlet section 231 is communicated with the second water supply section 232. The second fixing member 233 is located at the joint of the second water outlet section 231 and the second water supply section 232. The second positioning member 234 is located at the joint of the second water supply section 232 and the pipeline connection portion 120.

[0029] Among them, the pipeline 200 further includes a first support member 240. The first support member 240 is provided with a planar support portion 241 and an L-shaped support portion 242 integrally formed with the planar support portion 241. The planar support portion 241 is in contact with the main pipeline 210, so that the first support member 240 supports the main pipeline 210.

[0030] Among them, the pipeline 200 further includes a second support member 250. The second support member 250 is provided with a bending portion 251 and a contact portion 252 integrally formed with the bending portion 251. The bending portion 251 is in contact with the main pipeline 210, so that the second support member 250 supports the main pipeline 210.

[0031] Embodiment 2 (One end of the elastic strip 112 (the end close to the annular covering body 111) is in elastic contact with the annular covering body 111).

[0032] Preferably, the explosion-proof pressure sensor includes:

[0033] A plurality of sensor bodies 100. Each sensor body 100 is respectively provided with a pipeline covering member 110 and a pipeline connection portion 120. The pipeline covering member 110 includes an annular covering body 111 and a plurality of body extension portions 113 integrally formed with the annular covering body 111. The body extension portions 113 are arranged along the circumferential direction of the annular covering body 111 (around the whole body of the annular covering body 111). There is a spacing between adjacent body extension portions 113 for embedding the elastic strip 112. An elastic strip 112 is provided between adjacent body extension portions 113. One end of the elastic strip 112 (the end close to the annular covering body 111) is in elastic contact with the annular covering body 111, so that the other end of the elastic strip 112 (the end far from the annular covering body 111) adheres to the pipeline connection portion 120, so that the pipeline covering member 110 can not only effectively cover and fasten the pipeline connection portion 120, but also have a certain elastic space at the joint between the sensor body 100 and the pipeline 200 (i.e., on the side of the pipeline connection portion 120 close to the branch of the pipeline 200), so that the sensor chip located there can more accurately measure the pipeline pressure, while protecting the sensor chip from external interference and improving the explosion-proof ability;

[0034] A pipeline 200. The pipeline 200 includes a main pipeline 210 and a plurality of (the same number as the sensor bodies 100) branches. Each branch is respectively communicated with the pipeline connection portion 120, so that different sensor bodies 100 can respectively measure the pressures at different positions (branches) of the pipeline 200, so as to more comprehensively sense the overall pressure state of the pipeline 200, and avoid the failure to timely detect local pressure fluctuations of the pipeline 200 and potential safety hazards caused by too sparse or unreasonable distribution of the sensor bodies 100.

[0035] Among them, the pipeline 200 includes a first branch 220. The first branch 220 includes a first water outlet section 221, a first water supply section 222, a first fixing member 223, and a first positioning member 224. The main pipeline 210 is communicated with the first water outlet section 221, the first water outlet section 221 is communicated with the first water supply section 222. The first fixing member 223 is located at the joint of the first water outlet section 221 and the first water supply section 222, and the first positioning member 224 is located at the joint of the first water supply section 222 and the pipeline connection part 120.

[0036] Among them, the pipeline 200 includes a second branch 230. The second branch 230 includes a second water outlet section 231, a second water supply section 232, a second fixing member 233, and a second positioning member 234. The main pipeline 210 is communicated with the second water outlet section 231, the second water outlet section 231 is communicated with the second water supply section 232. The second fixing member 233 is located at the joint of the second water outlet section 231 and the second water supply section 222, and the second positioning member 234 is located at the joint of the second water supply section 232 and the pipeline connection part 120.

[0037] Among them, the pipeline 200 further includes a first support member 240. The first support member 240 is provided with a planar support portion 241 and an L-shaped support portion 242 integrally formed with the planar support portion 241. The planar support portion 241 is in contact with the main pipeline 210, so that the first support member 240 supports the main pipeline 210.

[0038] Among them, the pipeline 200 further includes a second support member 250. The second support member 250 is provided with a bending portion 251 and a contact portion 252 integrally formed with the bending portion 251. The bending portion 251 is in contact with the main pipeline 210, so that the second support member 250 supports the main pipeline 210.

[0039] It is worth mentioning that the technical features such as the selection of the sensor chip involved in the patent application of the present utility model should be regarded as the prior art. For the specific structures, working principles, possible control methods, and spatial layout methods of these technical features, the conventional selections in the art can be adopted, and they should not be regarded as the inventive points of the patent of the present utility model. The patent of the present utility model will not be further specifically elaborated.

[0040] For those skilled in the art, it is still possible to modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. An explosion-proof pressure sensor, characterized in that: include: A plurality of sensor bodies, each of which is provided with a pipeline covering and a pipeline connecting portion, wherein the pipeline covering comprises an annular covering body and a plurality of body extensions integrally formed with the annular covering body, wherein the body extensions are arranged along the circumference of the annular covering body, and there is a spacing between adjacent body extensions, and an elastic strip is arranged between adjacent body extensions, and one end of the elastic strip is fixedly connected to the annular covering body; The pipeline comprises a main pipeline and a plurality of branches, each of which is connected to the pipeline connecting part.

2. The explosion-proof pressure sensor according to claim 1, characterized in that: The pipeline includes a first branch, the first branch includes a first water outlet section, a first water supply section, a first fixing member and a first positioning member, the main pipeline is connected to the first water outlet section, the first water outlet section is connected to the first water supply section, the first fixing member is located at the junction of the first water outlet section and the first water supply section, and the first positioning member is located at the junction of the first water supply section and the pipeline connecting part.

3. The explosion-proof pressure sensor according to claim 1, characterized in that: The pipeline includes a second branch, the second branch includes a second water outlet section, a second water supply section, a second fixing member and a second positioning member, the main pipeline is connected to the second water outlet section, the second water outlet section is connected to the second water supply section, the second fixing member is located at the junction of the second water outlet section and the second water supply section, and the second positioning member is located at the junction of the second water supply section and the pipeline connecting part.

4. The explosion-proof pressure sensor according to claim 1, characterized in that: The pipeline further includes a first support member, which is provided with a planar support portion and an L-shaped support portion integrally formed with the planar support portion, and the planar support portion is in contact with the main pipeline.

5. The explosion-proof pressure sensor according to claim 1, characterized in that: The pipeline further comprises a second support member, the second support member is provided with a bending portion and a contact portion integrally formed with the bending portion, and the bending portion is in contact with the main pipeline.

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