LU508931B1 - High-precision intelligent pressure transmitter - Google Patents
High-precision intelligent pressure transmitter Download PDFInfo
- Publication number
- LU508931B1 LU508931B1 LU508931A LU508931A LU508931B1 LU 508931 B1 LU508931 B1 LU 508931B1 LU 508931 A LU508931 A LU 508931A LU 508931 A LU508931 A LU 508931A LU 508931 B1 LU508931 B1 LU 508931B1
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- Prior art keywords
- buffer
- pressure transmitter
- machine body
- sleeve
- intelligent pressure
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0672—Leakage or rupture protection or detection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
- G01L19/0023—Fluidic connecting means for flowthrough systems having a flexible pressure transmitting element
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0061—Electrical connection means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The present invention provides a high-precision intelligent pressure transmitter, including a pipeline and a pressure transmitter body, the pressure transmitter body including a machine body, a digital display screen embedded on a side surface of the machine body, a control box arranged at the machine body and an air guide pipe arranged at a bottom of the machine body; and further including an anti-leakage mechanism. According to the present invention, a connecting pipe orifice can be extruded and sealed, the sealing performance is improved. Moreover, extrusion force can be dispersed and stress can be reduced, thereby preventing deformation of the pipe orifice connection of an inner pipe I and an inner pipe II due to external force extrusion, and effectively avoiding a risk of leakage caused by cracking of the pipe orifice connection due to external force.
Description
DESCRIPTION 7506931
HIGH-PRECISION INTELLIGENT PRESSURE TRANSMITTER
The present invention belongs to the technical field of intelligent pressure transmitters, and in particular relates to a high-precision intelligent pressure transmitter.
The Chinese patent with application No. CN114935426U is a patent for an intelligent pressure transmitter with anti-corrosion function. This patent includes an intelligent pressure transmitter main body, a bottom connection part of the intelligent pressure transmitter main body is hermetically sleeved with a welding pipe, an outer pipe wall of the welding pipe is fixedly sleeved with a protective sleeve, an outer wall of the protective sleeve is fixedly sleeved with a first rubber ring through a pipe clamp, an exterior of the first rubber ring is fixedly sleeved with an anti-corrosion rubber sleeve, an inner wall at a top of the anti-corrosion rubber sleeve is fixedly connected to a second rubber ring, and an inner wall of the second rubber ring is movably connected to a fixing rod. This intelligent pressure transmitter with anti-corrosion function has the ability of high-efficiency protection, avoiding the intelligent pressure transmitter from being corroded and damaged as much as possible, improving the service life and reliability of the intelligent pressure transmitter. Moreover, the intelligent pressure transmitter also has a function of convenient disassembly and assembly, thereby being able to improve convenience and efficiency of intelligent pressure transmitter maintenance.
This existing patent endows the intelligent pressure transmitter with anti-corrosion function through the above structure. However, after the above intelligent pressure transmitter in the prior art is actually connected and assembled with external pipes, when a gas medium is transported for a long time, the sealing performance will become worse and air leakage will occur. A pipe orifice connection is easily cracked and damaged due to excessive air pressure or external extrusion, thus affecting the detection accuracy of the intelligent pressure transmitter. Therefore, we have designed a high-precision intelligent pressure transmitter.
SUMMARY LU508931
The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a high-precision intelligent pressure transmitter, the high-precision intelligent pressure transmitter solves the problems in the prior art that after the intelligent pressure transmitter is actually connected and assembled with external pipes, when a gas medium is transported for a long time, the sealing performance will become worse and air leakage will occur. À pipe orifice connection is easily cracked and damaged due to excessive air pressure or external extrusion, thus affecting the detection accuracy of the intelligent pressure transmitter.
To achieve the above objectives, a high-precision intelligent pressure transmitter 1s provided according to an example of the first aspect of the present invention, including a pipeline and a pressure transmitter body. The pressure transmitter body includes a machine body, a digital display screen embedded on a side surface of the machine body, a control box arranged at the machine body and an air guide pipe arranged at a bottom of the machine body; and the air guide pipe is connected to the pipeline, when a gas medium is transported, the gas enters the pressure transmitter body from the air guide pipe, and the pressure can be detected by internal electronic components of the pressure transmitter body.
It further includes an anti-leakage mechanism. The anti-leakage mechanism includes a sleeve I connected to the air guide pipe, a casing II connected to an interface of the pipeline, an inner pipe I arranged in the sleeve I and connected to the air guide pipe, an inner pipe II arranged in the casing II and connected to the interface of the pipeline, and assembling discs sleeved at ends of the sleeve I and the casing II.
A further improvement is that the anti-leakage mechanism further includes a U-shaped elbow penetrating through an elastic inflation extrusion pad and a side surface of the sleeve I, and a one-way valve arranged at an end of the U-shaped elbow; and a sealed cavity is formed between the inner pipe I and the sleeve I, the elastic inflation extrusion pad 1s arranged in the sealed cavity, an interface of the elastic inflation extrusion pad is arranged at the sleeve I, and a joint of the one-way valve 1s connected to the interface of the elastic inflation extrusion pad; a connecting pipe orifice can be extruded and sealed to improve a sealing performance of a pipe orifice connection and effectively avoid air leakage by using functions of an elastic rubber ring and the elastic inflation extrusion pad; and in case of air leakage due to excessive gas pressure oF 206981 aging of the elastic rubber ring, the gas will accumulate in a clamping notch, at this time, the gas will be squeezed into the elastic inflation extrusion pad through the U-shaped elbow and the one-way valve at a certain pressure, causing the elastic inflation extrusion pad to expand, and this makes the pressure of the elastic inflation extrusion pad and the pipe orifice connection the same, achieving continuous extrusion and ensuring the detection accuracy of the intelligent pressure transmitter.
A further improvement is that a top end of the inner pipe II protrudes and extends out from a port of the casing II, a clamping notch fitting with the top end of the inner pipe II for mounting is disposed on an inner wall surface of the elastic inflation extrusion pad, and the clamping notch is used for the mounting of the inner pipe II.
A further improvement is that an end of the inner pipe II is sleeved with a snap ring cooperating with sliding of the sealed cavity, an elastic rubber ring is arranged at the snap ring, and the elastic rubber ring is used for improving sealing performance.
A further improvement is that an outer wall surface of a shell of the machine body is coated with a layer of anti-corrosion coating, and a protective door panel is arranged at the shell of the machine body at a position corresponding to the digital display screen, and the protective door panel is used for protecting the digital display screen.
A further improvement is that a buffer groove is disposed between inner sides of the two assembling discs, and a buffer rubber ring is arranged in the buffer groove.
A further improvement is that a plurality of positioning cylinder barrels are arranged at the upper assembling disc in a penetrating way, and positioning holes are disposed at the lower assembling disc at positions corresponding to each of the positioning cylinder barrels in a penetrating way. During mounting, bottoms of the positioning cylinder barrels on the upper assembling disc are inserted into the positioning holes, and then fixing bolts are placed in each of the positioning cylinder barrels to fix the two assembling discs.
A further improvement is that buffer cavities are arranged on inner wall surfaces of the sleeve I and the casing II, and spring structures are arranged in the buffer cavities; and the spring structures include buffer seats arranged on inner wall surfaces of the buffer cavities, a plurality of buffer layers arranged at the buffer seats, buffer springs arranged in each of the buffer layers and pressure blocks connected to the buffer springs and arranged in the buffer 206981 layers, and each of the pressure blocks is connected to an inner wall of the buffer cavities. When squeezed by external force or medium pressure, the elasticity of the buffer rubber ring and the buffering effect of each of the pressure blocks compressing the buffer springs respectively can be utilized to disperse the extrusion force and reduce the stress, thereby preventing a pipe orifice connection of the inner pipe I and the inner pipe II from being deformed due to external extrusion, and effectively avoiding a risk of cracking and leakage at the pipe orifice connection due to external force.
Compared with the prior art, the present invention has the following advantages. (1) In the present invention, the staff places the elastic inflation extrusion pad in the sealed cavity. After the sleeve I and the casing II are docked and connected, the elastic inflation extrusion pad is sleeved on the inner pipe I, and the end of the inner pipe I is clamped in the clamping notch of the elastic inflation extrusion pad and contacts the elastic rubber ring. In this way, a connecting pipe orifice can be extruded and sealed to improve a sealing performance of a pipe orifice connection and effectively avoid air leakage by using functions of an elastic rubber ring and the elastic inflation extrusion pad; and in case of air leakage due to excessive gas pressure, the gas will accumulate in a clamping notch, at this time, the gas will be squeezed into the elastic inflation extrusion pad through the U-shaped elbow and the one-way valve at a certain pressure, causing the elastic inflation extrusion pad to expand, and this makes the pressure of the elastic inflation extrusion pad and the pipe orifice connection the same, achieving continuous extrusion. (2) In the present invention, a buffer groove is arranged at the pipe orifice connection, a buffer rubber ring is arranged in the buffer groove, buffer cavities are also arranged at the same time, and multiple spring structures are arranged in the buffer cavities. When squeezed by external force or medium pressure, the elasticity of the buffer rubber ring and the buffering effect of each of the pressure blocks compressing the buffer springs respectively can be utilized to disperse the extrusion force and reduce the stress, thereby preventing a pipe orifice connection of the inner pipe I and the inner pipe II from being deformed due to external extrusion, and effectively avoiding a risk of cracking and leakage at the pipe orifice connection due to external force, prolonging the service life of the device, and effectively ensuring the detection accuracy of the intelligent pressure transmitter. 7506931
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is a sectional structure diagram of the present invention;
FIG. 3 is an enlarged structure diagram of point A in FIG. 2 of the present invention;
FIG. 4 is a sectional partial structure diagram of the present invention; and
FIG. 5 is a sectional structure diagram of an interior of a sleeve I and an air guide pipe of the present invention.
Reference numerals and denotations thereof’ 1-pipeline; 2-anti-leakage mechanism; 21-assembling disc; 22-sleeve I; 221-inner pipe I, 222-sealed cavity; 223-elastic inflation extrusion pad; 224-clamping notch; 23-casing II; 231-inner pipe II; 232-snap ring; 233-elastic rubber ring; 24-U-shaped elbow; 25-one-way valve; 26-buffer groove; 261-buffer rubber ring; 27-buffer cavity, 28-spring structure; 281-buffer seat; 282-buffer layer; 283-buffer spring; and 284-pressure block; 3-pressure transmitter body; 31-digital display screen; 32-control box; 33-machine body; 34-air guide pipe; 4-positioning cylinder barrel; and 5-positioning hole.
The technical solutions in the examples of the present invention will be clearly and completely described in conjunction with the examples of the present invention, and it is obvious that the described examples are only a part of the examples of the present invention, but not all the examples. Based on the examples in the present invention, all other examples obtained by those ordinary in the art without creative work fall within the scope of protection of the present invention.
Example 1
As shown in FIG. 1, a high-precision intelligent pressure transmitter includes a pipeline 1 and a pressure transmitter body 3, wherein the pressure transmitter body 3 includes a machine body 33, a digital display screen 31 embedded on a side surface of the machine body 33, a control box 32 arranged at the machine body 33 and an air guide pipe 34 arranged at a bottom of 206981 the machine body 33; and the air guide pipe 34 is connected to the pipeline 1, when a gas medium is transported, the gas enters the pressure transmitter body 3 from the air guide pipe 34, and the pressure can be detected by internal electronic components of the pressure transmitter body 3.
As shown in FIG. 2 and FIG. 4, it further includes an anti-leakage mechanism 2, wherein the anti-leakage mechanism 2 includes a sleeve I 22 connected to the air guide pipe 34, a casing
II 23 connected to an interface of the pipeline 1, an inner pipe I 221 arranged in the sleeve I 22 and connected to the air guide pipe 34, an inner pipe II 231 arranged in the casing II 23 and connected to the interface of the pipeline 1, and assembling discs 21sleeved at ends of the sleeve 122 and the casing II 23.
As shown in FIG. 3 and FIG. 5, the anti-leakage mechanism 2 further includes a U-shaped elbow 24 penetrating through an elastic inflation extrusion pad 223 and a side surface of the sleeve I 22, and a one-way valve 25 arranged at an end of the U-shaped elbow 24; and a sealed cavity 222 is formed between the inner pipe I 221 and the sleeve I 22, the elastic inflation extrusion pad 223 is arranged in the sealed cavity 222, an interface of the elastic inflation extrusion pad 223 is arranged at the sleeve I 22, and a joint of the one-way valve 25 is connected to the interface of the elastic inflation extrusion pad 223; a top end of the inner pipe II 231 protrudes and extends out from a port of the casing II 23, and a clamping notch 224 fitting with the top end of the inner pipe II 231 for mounting is disposed on an inner wall surface of the elastic inflation extrusion pad 223; and an end of the inner pipe II 231 is sleeved with a snap ring 232 cooperating with sliding of the sealed cavity 222, and an elastic rubber ring 233 is arranged at the snap ring 232.
During assembly and use, a connecting pipe orifice can be extruded and sealed to improve a sealing performance of a pipe orifice connection and effectively avoid air leakage by using functions of an elastic rubber ring 233 and the elastic inflation extrusion pad 223; and in case of air leakage due to excessive gas pressure or aging of the elastic rubber ring 233, the gas will accumulate in a clamping notch 224, at this time, the gas will be squeezed into the elastic inflation extrusion pad 223 through the U-shaped elbow 24 and the one-way valve 25 at a certain pressure, causing the elastic inflation extrusion pad 223 to expand, and this makes the pressure of the elastic inflation extrusion pad 223 and the pipe orifice connection the same, achieving 206981 continuous extrusion and ensuring the detection accuracy of the intelligent pressure transmitter.
As shown in FIG. 3, in this example, a plurality of positioning cylinder barrels 4 are arranged at the upper assembling disc 21 in a penetrating way, and positioning holes 5 are disposed at the lower assembling disc 21 at positions corresponding to each of the positioning cylinder barrels 4 in a penetrating way. During mounting, bottoms of the positioning cylinder barrels 4 on the upper assembling disc 21 are inserted into the positioning holes 5, and then fixing bolts are placed in each of the positioning cylinder barrels 4 to fix the two assembling discs 21.
Example 2
As shown in FIG. 2 and FIG. 3, based on Example 1, a buffer groove 26 is disposed between inner sides of the two assembling discs 21, and a buffer rubber ring 261 is arranged in the buffer groove 26; buffer cavities 27 are arranged on inner wall surfaces of the sleeve I 22 and the casing II 23, and spring structures 28 are arranged in the buffer cavities 27; and the spring structures 28 include buffer seats 281 arranged on inner wall surfaces of the buffer cavities 27, a plurality of buffer layers 282 arranged at the buffer seats 281, buffer springs 283 arranged in each of the buffer layers 282 and pressure blocks 284 connected to the buffer springs 283 and arranged in the buffer layers 282, and each of the pressure blocks 284 is connected to an inner wall of the buffer cavities 27.
When conveying gas medium, a buffer groove 26 is arranged at the pipe orifice connection, a buffer rubber ring 261 is arranged in the buffer groove 26, buffer cavities 27 are also arranged at the same time, and multiple spring structures 28 are arranged in the buffer cavities 27. When squeezed by external force or medium pressure, the elasticity of the buffer rubber ring 261 and the buffering effect of each of the pressure blocks 284 compressing the buffer springs 283 respectively can be utilized to disperse the extrusion force and reduce the stress, thereby preventing a pipe orifice connection of the inner pipe I 221 and the inner pipe II 231 from being deformed due to external extrusion, and effectively avoiding a risk of cracking and leakage at the pipe orifice connection due to external force.
As shown in FIG. 1, in this example, an outer wall surface of a shell of the machine body 33 is coated with a layer of anti-corrosion coating, a protective door panel is arranged at the shell of the machine body 33 at a position corresponding to the digital display screen 31, and protective 206981 door panel 1s used to protect the digital display screen 31.
As shown in FIGS. 1 to 5, it is to be noted that the pressure transmitter body 3 is a kind of device that can convert physical pressure parameters sensed by a pressure sensing element sensor, such as gas and liquid, into standard electrical signals, so as to supply secondary instruments such as indicator alarm, recorder, and regulator for measurement, indication, and process adjustment; it is an existing technology, and its working principle has been disclosed.
The working principle of this high-precision intelligent pressure transmitter is as follows.
When using this device to transport gas media, the staff first places the elastic inflation extrusion pad 223 in the sealed cavity 222. After the sleeve I 22 and the casing II 23 are docked and connected, the elastic inflation extrusion pad 223 is sleeved on the inner pipe I 221, and the end of the inner pipe I 221 is clamped in the clamping notch 224 of the elastic inflation extrusion pad 223 and contacts the elastic rubber ring 233. In this way, a connecting pipe orifice can be extruded and sealed to improve a sealing performance of a pipe orifice connection and effectively avoid air leakage by using functions of an elastic rubber ring 233 and the elastic inflation extrusion pad 223; and in case of air leakage due to excessive gas pressure or aging of the elastic rubber ring 233, the gas will accumulate in a clamping notch 224, at this time, the gas will be squeezed into the elastic inflation extrusion pad 223 through the U-shaped elbow 24 and the one-way valve 25 at a certain pressure, causing the elastic inflation extrusion pad 223 to expand, and this makes the pressure of the elastic inflation extrusion pad 223 and the pipe orifice connection the same, achieving continuous extrusion.
By arranging a buffer groove 26 at the pipe orifice connection, a buffer rubber ring 261 is arranged in the buffer groove 26, buffer cavities 27 are also arranged at the same time, and multiple spring structures 28 are arranged in the buffer cavities 27. When squeezed by external force or medium pressure, the elasticity of the buffer rubber ring 261 and the buffering effect of each of the pressure blocks 284 compressing the buffer springs 283 respectively can be utilized to disperse the extrusion force and reduce the stress, thereby preventing a pipe orifice connection of the inner pipe I 221 and the inner pipe II 231 from being deformed due to external extrusion, and effectively avoiding a risk of cracking and leakage at the pipe orifice connection due to external force, prolonging the service life of the device, and effectively ensuring the detection accuracy of the intelligent pressure transmitter. 7506931
The above examples are only used to illustrate the technical methods of the present invention rather than limit them. Although the present invention has been described in detail with reference to the preferred examples, those of ordinary skill in the art will be understand that the technical methods of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical methods of the present invention.
Claims (8)
1. A high-precision intelligent pressure transmitter, comprising a pipeline (1) and a pressure transmitter body (3), the pressure transmitter body (3) comprising a machine body (33), a digital display screen (31) embedded on a side surface of the machine body (33), a control box (32) arranged at the machine body (33) and an air guide pipe (34) arranged at a bottom of the machine body (33); and further comprising an anti-leakage mechanism (2), the anti-leakage mechanism (2) comprising a sleeve I (22) connected to the air guide pipe (34), a casing II (23) connected to an interface of the pipeline (1), an inner pipe I (221) arranged in the sleeve I (22) and connected to the air guide pipe (34), an inner pipe II (231) arranged in the casing II (23) and connected to the interface of the pipeline (1), and assembling discs (21) sleeved at ends of the sleeve I (22) and the casing II (23).
2. The high-precision intelligent pressure transmitter according to claim 1, wherein the anti-leakage mechanism (2) further comprises a U-shaped elbow (24) penetrating through an elastic inflation extrusion pad (223) and a side surface of the sleeve I (22), and a one-way valve (25) arranged at an end of the U-shaped elbow (24); and a sealed cavity (222) is formed between the inner pipe I (221) and the sleeve I (22), the elastic inflation extrusion pad (223) is arranged in the sealed cavity (222), an interface of the elastic inflation extrusion pad (223) is arranged at the sleeve I (22), and a joint of the one-way valve (25) is connected to the interface of the elastic inflation extrusion pad (223).
3. The high-precision intelligent pressure transmitter according to claim 2, wherein a top end of the inner pipe II (231) extends out from a port of the casing II (23), and a clamping notch (224) fitting with the top end of the inner pipe II (231) for mounting is disposed on an inner wall surface of the elastic inflation extrusion pad (223).
4. The high-precision intelligent pressure transmitter according to claim 2, wherein an end of the inner pipe II (231) is sleeved with a snap ring (232) cooperating with sliding of the sealed
. . . . . LU508931 cavity (222), and an elastic rubber ring (233) is arranged at the snap ring (232).
5. The high-precision intelligent pressure transmitter according to claim 1, wherein an outer wall surface of a shell of the machine body (33) is coated with a layer of anti-corrosion coating, and a protective door panel is arranged at the shell of the machine body (33) at a position corresponding to the digital display screen (31).
6. The high-precision intelligent pressure transmitter according to claim 1, wherein a buffer groove (26) is disposed between inner sides of the two assembling discs (21), and a buffer rubber ring (261) is arranged in the buffer groove (26).
7. The high-precision intelligent pressure transmitter according to claim 6, wherein a plurality of positioning cylinder barrels (4) are arranged at the upper assembling disc (21) in a penetrating way, and positioning holes (5) are disposed at the lower assembling disc (21) at positions corresponding to each of the positioning cylinder barrels (4) in a penetrating way.
8. The high-precision intelligent pressure transmitter according to claim 1, wherein buffer cavities (27) are arranged on inner wall surfaces of the sleeve I (22) and the casing II (23), and spring structures (28) are arranged in the buffer cavities (27); and the spring structures (28) comprise buffer seats (281) arranged on inner wall surfaces of the buffer cavities (27), a plurality of buffer layers (282) arranged at the buffer seats (281), buffer springs (283) arranged in each of the buffer layers (282) and pressure blocks (284) connected to the buffer springs (283) and arranged in the buffer layers (282), and each of the pressure blocks (284) is connected to an inner wall of the buffer cavities (27).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311593289.8A CN117606668A (en) | 2023-11-27 | 2023-11-27 | A high-precision intelligent pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU508931B1 true LU508931B1 (en) | 2025-05-12 |
Family
ID=89943739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU508931A LU508931B1 (en) | 2023-11-27 | 2024-10-28 | High-precision intelligent pressure transmitter |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN117606668A (en) |
| LU (1) | LU508931B1 (en) |
| WO (1) | WO2025077923A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117606668A (en) * | 2023-11-27 | 2024-02-27 | 黄山学院 | A high-precision intelligent pressure transmitter |
| CN118310673B (en) * | 2024-04-09 | 2024-09-17 | 江苏杰克仪表有限公司 | High-precision intelligent pressure transmitter |
| CN118500618B (en) * | 2024-07-18 | 2024-09-13 | 常州天利智能控制股份有限公司 | A pressure-resistant transmitter with protection function |
| CN120628410B (en) * | 2025-06-27 | 2026-02-17 | 江苏苏仪集团有限公司 | A multi-range adjustable pressure transmitter |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3158913B2 (en) * | 1994-12-26 | 2001-04-23 | 横河電機株式会社 | Differential pressure / pressure transmitter |
| CN211927159U (en) * | 2020-06-08 | 2020-11-13 | 天津领宇科技有限公司 | Monocrystalline silicon pressure transmitter of preventing leaking |
| CN212206461U (en) * | 2020-06-10 | 2020-12-22 | 河北罗天电气科技有限公司 | Special pressure transmitter of chemical industry |
| CN215262209U (en) * | 2021-07-27 | 2021-12-21 | 上海恩邦自动化仪表股份有限公司 | Small-size pressure transmitter |
| CN114935426A (en) * | 2022-04-06 | 2022-08-23 | 安徽春辉仪表线缆集团有限公司 | Intelligent pressure transmitter with anti-corrosion function |
| CN114796760A (en) * | 2022-05-07 | 2022-07-29 | 南通大学附属医院 | Breathing machine calibration equipment and calibration system thereof |
| CN217816243U (en) * | 2022-08-25 | 2022-11-15 | 天津华迈燃气装备股份有限公司 | Set up detachable instrument sheath device on natural gas conveying line |
| CN218378108U (en) * | 2022-10-20 | 2023-01-24 | 华能(福建)能源开发有限公司福州分公司 | High temperature resistant pressure transmitter |
| CN117606668A (en) * | 2023-11-27 | 2024-02-27 | 黄山学院 | A high-precision intelligent pressure transmitter |
-
2023
- 2023-11-27 CN CN202311593289.8A patent/CN117606668A/en not_active Withdrawn
-
2024
- 2024-10-28 LU LU508931A patent/LU508931B1/en active IP Right Grant
- 2024-10-28 WO PCT/CN2024/127652 patent/WO2025077923A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2025077923A1 (en) | 2025-04-17 |
| CN117606668A (en) | 2024-02-27 |
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Legal Events
| Date | Code | Title | Description |
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| FG | Patent granted |
Effective date: 20250512 |