CN220228738U - Three differential pressure sensor integrated device - Google Patents
Three differential pressure sensor integrated device Download PDFInfo
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- CN220228738U CN220228738U CN202321032633.1U CN202321032633U CN220228738U CN 220228738 U CN220228738 U CN 220228738U CN 202321032633 U CN202321032633 U CN 202321032633U CN 220228738 U CN220228738 U CN 220228738U
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- pressure sensor
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- clamping plate
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- 238000004891 communication Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 22
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 3
- 238000007789 sealing Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003949 liquefied natural gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a three differential pressure sensor integrated device, which belongs to the technical field of low-temperature storage and transportation equipment, and comprises the following components: a main body; a first differential pressure sensor, a second differential pressure sensor, a third differential pressure sensor and a pressure sensor disposed within the body; the lead wire hole in the main part is seted up, first differential pressure sensor, second differential pressure sensor, third differential pressure sensor and pressure sensor's signal line all draws forth the outside to the main part through this lead wire hole, and wherein, first differential pressure sensor, second differential pressure sensor, third differential pressure sensor and lead wire hole are the range side by side to reach and can realize detecting a plurality of liquid level values of low temperature storage tank inner bag through same equipment, finally calculate the actual liquid level of low temperature storage tank liquid accurately.
Description
Technical Field
The utility model belongs to the technical field of low-temperature storage and transportation equipment, and particularly relates to a three-differential pressure sensor integrated device.
Background
The low-temperature storage tank is a pressure container for containing liquid nitrogen, liquid oxygen, liquid argon, liquid hydrogen, liquid helium, liquid carbon dioxide, liquefied natural gas and other low-temperature liquids, the density of the low-temperature liquid can change along with the change of the pressure of the low-temperature storage tank, the pressure of the low-temperature storage tank is not saturated vapor pressure, the density of the low-temperature liquid cannot be corrected by detecting the pressure of the low-temperature storage tank, and the density of the low-temperature liquid like LNG can be different due to the fact that the components are different; the principle of detecting the liquid level by the traditional differential pressure type liquid level meter is calculated by the detected differential pressure and the set density, and the pressure of the low-temperature storage tank is not constant, so that the density is a variable, and the calculated liquid level is inaccurate; meanwhile, the liquid phase end pressure guiding pipe of the low-temperature storage tank liner is provided with a liquid sealing point, the position of the liquid sealing point is difficult to ensure a known fixed value due to the reasons of manufacturing technology and the like, the fixed value can be lower than the bottom of the low-temperature storage tank liner or higher than the bottom of the low-temperature storage tank liner, liquid exists from the liquid sealing point to the bottom of the low-temperature storage tank liner, and the liquid level can generate differential pressure to bring errors.
To realize high-precision detection of the liquid level of the storage tank, a plurality of differential pressures need to be measured, and conventionally, a plurality of differential pressure sensors are used for monitoring respectively, so that the installation is troublesome and the cost is high.
Disclosure of Invention
In view of the above, the present utility model aims to provide a three-differential pressure sensor integrated device for achieving the purpose of monitoring the liquid level and pressure of the low-temperature tank liner and the low-temperature tank interlayer simultaneously by the same equipment.
The technical scheme adopted by the utility model is as follows: three differential pressure sensor integrated device, device
Comprising the following steps:
a main body;
a first differential pressure sensor, a second differential pressure sensor, a third differential pressure sensor and a pressure sensor disposed within the body;
the signal wires of the first differential pressure sensor, the second differential pressure sensor, the third differential pressure sensor and the pressure sensor are led out to the outside of the main body through the lead holes;
wherein the first differential pressure sensor, the second differential pressure sensor, the third differential pressure sensor and the lead holes are arranged side by side.
Further, the main body comprises an A clamping plate and a B clamping plate, the A clamping plate and the B clamping plate are detachably assembled and connected, and the pressure sensor is arranged in the A clamping plate; the first assembly cavity, the second assembly cavity and the third assembly cavity are formed by assembling the A clamp plate and the B clamp plate, and the first differential pressure sensor, the second differential pressure sensor and the third differential pressure sensor are respectively arranged in the first assembly cavity, the second assembly cavity and the third assembly cavity, so that the first differential pressure sensor, the second differential pressure sensor, the third differential pressure sensor and the pressure sensor are assembled and fixed.
Further, a first low-pressure end and a second low-pressure end are arranged on the A clamping plate; the B clamping plate is provided with a first high-voltage end and a second high-voltage end;
two ends of the first differential pressure sensor are respectively communicated with a first low-pressure end and a first high-pressure end;
two ends of the second differential pressure sensor are respectively communicated with a second low-pressure end and a second high-pressure end;
two ends of the third differential pressure sensor are respectively communicated with the first low-pressure end and the second high-pressure end;
the pressure sensor is in communication with the second low pressure end.
Further, the same side of the A clamping plate and the B clamping plate is provided with a plurality of fixing threaded holes, a first three valve group is arranged through each fixing threaded hole, and a first low-pressure end and a first high-pressure end respectively correspond to the three valve groups
The pressure guiding holes are connected.
Further, the same side of the A clamping plate and the B clamping plate is provided with a plurality of fixing threaded holes, a second third valve group is installed through each fixing threaded hole, and a second low-pressure end and a second high-pressure end are respectively connected with pressure guiding holes corresponding to the third valve group.
The beneficial effects of the utility model are as follows:
1. by adopting the three-differential pressure sensor integrated device provided by the utility model, three groups of differential pressure sensors are integrated in the same equipment main body, so that the highly integrated design of the three differential pressure sensors is realized, and the manufacturing cost of the equipment is further reduced.
2. By adopting the three-differential pressure sensor integrated device provided by the utility model, three groups of differential pressure sensors are integrated in the device, and the pipeline ports led out from the inside can be simplified through sharing the low-pressure ports and the high-pressure ports, so that the installation difficulty is reduced.
Drawings
FIG. 1 is a schematic front view of a three differential pressure sensor integrated device provided by the present utility model;
FIG. 2 is a schematic right-side view of a three differential pressure sensor integrated device provided by the present utility model;
FIG. 3 is a schematic left-hand view of a three differential pressure sensor integrated device provided by the present utility model;
FIG. 4 is a schematic cross-sectional view of a three differential pressure sensor integrated device provided by the present utility model;
the figures are marked as follows:
1-first low pressure end, 2-A splint, 3-third differential pressure sensor, 4-third differential pressure sensor signal line, 5-pressure sensor signal line, 6-pressure sensor, 7-second low pressure end, 8-second high pressure end, 9-second differential pressure sensor, 10-second differential pressure sensor signal line, 11-first differential pressure sensor signal line, 12-first differential pressure sensor, 13-B splint, 14-first high pressure end, 15-lead wire hole, 16-first fixed screw hole, 17-second fixed screw hole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in detail by those skilled in the art; the accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Example 1
As shown in fig. 1 to 4, in this embodiment, there is specifically provided a three differential pressure sensor integrated device, the structure includes: the main body is used as a carrier of the device, in the embodiment, the main body comprises an A clamping plate 2 and a B clamping plate 13, the A clamping plate 2 and the B clamping plate 13 are detachably assembled and connected, in practical application, the A clamping plate 2 and the B clamping plate 13 are fixedly connected through 4 bolts after being assembled, and the 4 bolts are respectively arranged on the periphery of the main body so as to meet the locking requirement of the A clamping plate 2 and the B clamping plate 13 after being assembled.
A first differential pressure sensor 12, a second differential pressure sensor 9, a third differential pressure sensor 3, and a pressure sensor 6 within the body; wherein, an assembly slot hole matched with the pressure sensor 6 is arranged in the A splint 2 so as to place the pressure sensor 6 in the assembly slot hole in the A splint 2. Three groups of second assembly slots are respectively formed in the A clamp plate 2 and the B clamp plate 13, and after the A clamp plate 2 and the B clamp plate 13 are assembled, a first assembly cavity, a second assembly cavity and a second assembly cavity are formed by combining the corresponding three groups of second assembly slots, so that the first differential pressure sensor 12, the second differential pressure sensor 9 and the third differential pressure sensor 3 are respectively arranged in the first assembly cavity, the second assembly cavity and the second assembly cavity. In practical application, to realize reasonable application to the inner space, the first differential pressure sensor 12, the second differential pressure sensor 9, the third differential pressure sensor 3 and the lead holes 15 are arranged side by side.
In order to realize the detection functions of the first differential pressure sensor 12, the second differential pressure sensor 9, the third differential pressure sensor 3 and the pressure sensor 6, a first low-pressure end 1 and a second low-pressure end 7 are arranged on the A clamping plate 2; the B clamping plate 13 is provided with a first high-voltage end 14 and a second high-voltage end 8;
in practical application, one end of the first differential pressure sensor 12 is communicated with the first low pressure end 1, and the other end is communicated with the first high pressure end 14, so that the differential pressure between the first low pressure end 1 and the first high pressure end 14 can be measured.
One end of the second differential pressure sensor 9 is communicated with the second low-pressure end 7, and the other end is communicated with the second high-pressure end
8 to enable measurement of the pressure difference between the second low pressure end 7 and the second high pressure end 8.
One end of the third differential pressure sensor 3 is communicated with the first low pressure end 1, and the other end is communicated with the second high pressure end 8, so that the differential pressure between the first low pressure end 1 and the second high pressure end 8 can be measured.
The pressure sensor 6 communicates with the second low pressure end 7 to measure pressure information of the second low pressure end 7.
In order to realize the electric signal collection of each sensor, a lead hole 15 is arranged on the main body, the lead hole 15 is formed by slotted holes respectively arranged on the A clamp plate 2 and the B clamp plate 13, and the first differential pressure sensor signal line 11, the second differential pressure sensor signal line 10, the third differential pressure sensor signal line 4 and the pressure sensor signal line 5 are led out to the outside of the main body through the lead hole 15 so as to realize the signal collection of the first differential pressure sensor 12, the second differential pressure sensor 9, the third differential pressure sensor 3 and the pressure sensor 6.
In order to realize that each sensor can be connected with an external pipeline, a plurality of first fixing threaded holes 16 are formed in the same side of the A clamping plate 2 and the B clamping plate 13, a first third valve group is installed through each first fixing threaded hole 16, and the first low-pressure end 1 and the first high-pressure end 14 are respectively connected with pressure guiding holes corresponding to the first third valve group. On the other hand, the same side of the A clamping plate 2 and the B clamping plate 13 is provided with a plurality of second fixing threaded holes 17, a second three-valve group is installed through each second fixing threaded hole 17, and the second low-pressure end 7 and the second high-pressure end 8 are respectively connected with pressure guiding holes corresponding to the second three-valve group.
It should be specifically noted that the first valve bank and the second valve bank are conventional valve banks in the market.
The utility model is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present utility model, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present utility model, fall within the scope of protection of the present utility model.
Claims (3)
1. A three differential pressure sensor integrated device, the device comprising:
a main body;
a first differential pressure sensor (12), a second differential pressure sensor (9), a third differential pressure sensor (3) and a pressure sensor (6) which are arranged in the main body;
the lead hole (15) is formed in the main body, and signal wires of the first differential pressure sensor (12), the second differential pressure sensor (9), the third differential pressure sensor (3) and the pressure sensor (6) are led out of the main body through the lead hole (15);
wherein the first differential pressure sensor (12), the second differential pressure sensor (9), the third differential pressure sensor (3) and the lead hole (15) are arranged side by side;
the main body comprises an A clamping plate (2) and a B clamping plate (13), wherein the A clamping plate (2) and the B clamping plate (13) are detachably assembled and connected, and the pressure sensor (6) is arranged in the A clamping plate (2); the first, second and third assembly cavities formed by the assembly of the clamping plates A (2) and B (13), and the first, second and third differential pressure sensors (12, 9) and 3) are respectively arranged in the first, second and third assembly cavities;
the A clamping plate (2) is provided with a first low-pressure end (1) and a second low-pressure end (7); the B clamping plate (13) is provided with a first high-pressure end (14) and a second high-pressure end (8);
two ends of the first differential pressure sensor (12) are respectively communicated with the first low-pressure end (1) and the first high-pressure end (14);
two ends of the second differential pressure sensor (9) are respectively communicated with a second low-pressure end (7) and a second high-pressure end (8);
two ends of the third differential pressure sensor (3) are respectively communicated with the first low-pressure end (1) and the second high-pressure end (8);
the pressure sensor (6) is in communication with a second low pressure end (7).
2. The three differential pressure sensor integrated device according to claim 1, wherein the same side of the a clamping plate (2) and the B clamping plate (13) is provided with a plurality of first fixing threaded holes, a first three valve group is installed through each first fixing threaded hole, and the first low pressure end (1) and the first high pressure end (14) are respectively connected with corresponding pressure guiding holes of the first three valve group.
3. The three differential pressure sensor integrated device according to claim 1, wherein the same side of the a clamping plate (2) and the B clamping plate (13) is provided with a plurality of second fixing threaded holes, a second three-valve group is installed through each second fixing threaded hole, and the second low-pressure end (7) and the second high-pressure end (8) are respectively connected with corresponding pressure guiding holes of the second three-valve group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321032633.1U CN220228738U (en) | 2023-05-04 | 2023-05-04 | Three differential pressure sensor integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321032633.1U CN220228738U (en) | 2023-05-04 | 2023-05-04 | Three differential pressure sensor integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220228738U true CN220228738U (en) | 2023-12-22 |
Family
ID=89177766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321032633.1U Active CN220228738U (en) | 2023-05-04 | 2023-05-04 | Three differential pressure sensor integrated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220228738U (en) |
-
2023
- 2023-05-04 CN CN202321032633.1U patent/CN220228738U/en active Active
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