CN112097990B - Flame-proof integrated pressure transmitter - Google Patents
Flame-proof integrated pressure transmitter Download PDFInfo
- Publication number
- CN112097990B CN112097990B CN202011316564.8A CN202011316564A CN112097990B CN 112097990 B CN112097990 B CN 112097990B CN 202011316564 A CN202011316564 A CN 202011316564A CN 112097990 B CN112097990 B CN 112097990B
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- transmitter
- boss
- transmitter body
- connecting plate
- side wall
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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
- G01L19/14—Housings
- G01L19/142—Multiple part housings
- G01L19/143—Two part housings
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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
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
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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
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0663—Flame protection; Flame barriers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to the technical field of sensing detection, in particular to an explosion-proof integrated pressure transmitter.A boss is machined on the lower end surface of a transmitter body; a rotating shaft is vertically and fixedly arranged on the rear side of the upper surface of the boss; the left side and the right side of the rotating shaft are respectively connected with a left protective cover and a right protective cover; the right middle of the upper surfaces of the left shield and the right shield is symmetrically provided with wire inlet pipes which are matched with each other; a protective soft cushion is arranged inside the wire inlet pipe; the front ends of the left protective cover and the right protective cover are respectively provided with a left connecting plate and a right connecting plate; the inner side walls of the left connecting plate and the right connecting plate are respectively provided with clamping grooves and buckles at uniform intervals; a limiting groove is machined in the side wall of the lower end of the transmitter body; a lead pipe is processed on the upper surface of the transmitter body; sealant is coated inside the lead tube; the invention can provide the flameproof integrated pressure transmitter which has good flameproof safety protection performance, is simple and convenient to install and can be detachably exchanged and used.
Description
Technical Field
The invention belongs to the technical field related to pressure monitoring equipment, and particularly relates to an explosion-proof integrated pressure transmitter.
Background
The explosion-proof transmitter is commonly used for pressure monitoring on industrial equipment, for example, in dangerous places such as chemical engineering, petrifaction, gas, flammability, explosiveness and the like; in order to prevent the influence of severe external conditions, a shell and a joint of the explosion-proof transmitter are generally integrally processed by firm stainless steel materials, and the explosion-proof transmitter can convert pressure monitored by a pressure sensing chip into an electric signal for transmission, so that an operator can visually know the pressure value inside the equipment. The existing explosion-proof pressure transmitter technology has the following problems: most of equipment in the industry is a single-layer metal protective cover, so that the equipment has low explosion-proof protective performance, and certain potential safety hazards exist when some dangerous substances are monitored; the monitoring device and the connecting device of the equipment in the industry are usually integrated, when the pressure value of different equipment needs to be monitored, a new monitoring device needs to be installed again, and therefore unnecessary troubles are brought.
Disclosure of Invention
The invention aims to provide a flameproof integrated pressure transmitter which has good flameproof safety protection performance, is simple and convenient to install and can be detachably exchanged and used.
In order to achieve the purpose, the invention provides the following technical scheme: a flame-proof integrated pressure transmitter comprises a transmitter body, wherein a boss is machined on the lower end face of the transmitter body; a rotating shaft is vertically and fixedly arranged on the rear side of the upper surface of the boss; the left side and the right side of the rotating shaft are respectively connected with a left protective cover and a right protective cover; the right middle of the upper surfaces of the left shield and the right shield is symmetrically provided with wire inlet pipes which are matched with each other; a protective soft cushion is arranged inside the wire inlet pipe; the front ends of the left protective cover and the right protective cover are respectively provided with a left connecting plate and a right connecting plate; the inner side walls of the left connecting plate and the right connecting plate are respectively provided with clamping grooves and buckles at uniform intervals; a limiting groove is machined in the side wall of the lower end of the transmitter body; a lead pipe is processed on the upper surface of the transmitter body; sealant is coated inside the lead tube; a pressure sensing chip is fixedly and hermetically arranged in the transmitter body; the upper end of the pressure sensing chip is connected with and provided with a cable; buffer rods are uniformly arranged on the inner side wall of the transmitter body in a crossed mode at intervals in the vertical axis direction below the pressure sensing chip; the inner side wall of the lower port of the boss is provided with an internal thread; the lower surface of the boss is fixedly provided with a sealing ring; a connector is arranged at the lower port of the boss; an installation head is arranged and processed on the lower end face of the connector; the outer side wall of the connector is provided with a connecting thread; the outer side wall of the mounting head is provided with mounting threads; an air inlet is formed in the center of the upper surface of the connecting head and the center of the lower surface of the mounting head in a penetrating manner; the upper surface of the connecting head and the lower surface of the mounting head are provided with screw thread grooves; and a sealing ring groove is formed on the upper surface of the mounting head.
As a further improvement of the invention, handles are horizontally and symmetrically fixedly arranged on the left side wall and the right side wall of the boss; the handle is sleeved with a soft sleeve.
As a further improvement of the invention, the transmitter body and the connector are mutually matched and connected together through the internal threads and the threads of the connecting threads.
As a further improvement of the invention, the left shield and the right shield are the same in size and size.
As a further improvement of the invention, the boss and the handle are fixedly connected and installed together by adopting a welding method.
As a further improvement of the invention, the transmitter body is integrally processed by adopting stainless steel materials.
Compared with the prior art, the invention has the beneficial effects that: the transmitter body can be effectively and doubly isolated from the outside, so that the transmitter body has better explosion-proof performance and higher safety factor; the left connecting plate and the right connecting plate are respectively provided with the clamping groove and the buckle, and the clamping groove and the buckle are matched and fastened, so that the left protective cover and the right protective cover can be closed and tightly closed; the left protective cover and the right protective cover are provided with wire inlet pipes which are matched with each other, the wire inlet pipes are internally provided with protective soft pads, and the cables can be effectively clamped through the closing of the left protective cover and the right protective cover, so that the cables are prevented from being separated due to excessive pulling; according to the technical scheme, the buffer rod is arranged inside the transmitter body, the buffer rod can play a certain buffer role on gas entering the transmitter body, and damage to the pressure sensing chip caused by extrusion of rapidly-poured gas is effectively avoided; according to the technical scheme, the transmitter body and the connector adopt separate design structures, so that the transmitter can be quickly replaced and alternately used among different devices; according to the technical scheme, the lug boss is provided with the handle, the handle is provided with the soft sleeve, and the handle can be convenient for an operator to match and screw the transmitter body and large-scale equipment; the soft sleeve can avoid the slipping caused by over-force in the screwing process.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of an internal exploded explosive structure of the present invention.
Fig. 3 is an enlarged structural schematic diagram of the connecting head and the mounting head of the invention.
In the figure: 1. a transmitter body; 2. a boss; 3. a rotating shaft; 4. a left shield; 5. a right shield; 6. a wire inlet pipe; 7. a protective cushion; 8. a left connecting plate; 9. a right connecting plate; 10. a card slot; 11. buckling; 12. a limiting groove; 13. a lead tube; 14. sealing glue; 15. a pressure sensing chip; 16. a cable; 17. a buffer rod; 18. an internal thread; 19. a seal ring; 20. a connector; 21. a mounting head; 22. connecting threads; 23. installing threads; 24. an air inlet; 25. a screwdriver slot; 26. a seal ring groove; 27. a handle; 28. and (4) soft sleeving.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a flame-proof integrated pressure transmitter comprises a transmitter body 1, wherein a boss 2 is processed on the lower end face of the transmitter body 1; a rotating shaft 3 is vertically and fixedly arranged on the rear side of the upper surface of the boss 2; the left side and the right side of the rotating shaft 3 are respectively connected with a left protective cover 4 and a right protective cover 5; the right middle of the upper surfaces of the left shield 4 and the right shield 5 is symmetrically provided with wire inlet pipes 6 which are matched with each other; a protective soft cushion 7 is arranged inside the inlet pipe 6; the front ends of the left shield 4 and the right shield 5 are respectively provided with a left connecting plate 8 and a right connecting plate 9; the inner side walls of the left connecting plate 8 and the right connecting plate 9 are respectively provided with clamping grooves 10 and buckles 11 at uniform intervals; a limiting groove 12 is formed in the side wall of the lower end of the transmitter body 1; a lead pipe 13 is processed on the upper surface of the transmitter body 1; sealant 14 is coated inside the lead tube 13; a pressure sensing chip 15 is fixedly and hermetically arranged in the transmitter body 1; the upper end of the pressure sensing chip 15 is connected with a cable 16; buffer rods 17 are uniformly arranged on the inner side wall of the transmitter body 1 at intervals in the vertical axial direction below the pressure sensing chip 15; the inner side wall of the lower port of the boss 2 is provided with an internal thread 18; the lower surface of the boss 2 is fixedly provided with a sealing ring 19; the lower port of the boss 2 is provided with a connector 20; the lower end face of the connector 20 is provided with an installation head 21; the outer side wall of the connector 20 is provided with a connecting thread 22; the outer side wall of the mounting head 21 is provided with a mounting thread 23; an air inlet 24 is formed in the center of the upper surface of the connector 20 and the lower surface of the mounting head 21 in a penetrating manner; the upper surface of the connector 20 and the lower surface of the mounting head 21 are both provided with screw thread grooves 25; a sealing ring groove 26 is formed on the upper surface of the mounting head 21; handles 27 are horizontally and symmetrically fixedly arranged on the left side wall and the right side wall of the boss 2; a soft sleeve 28 is sleeved on the handle 27; the transmitter body 1 and the connector 20 are mutually matched and connected together through the threads of the internal thread 18 and the connecting thread 22; the left shield 4 and the right shield 5 have the same size; the boss 2 and the handle 27 are fixedly connected and installed together by adopting a welding method; the transmitter body 1 is integrally processed by stainless steel materials.
This equipment is when using, at first establish draw-in groove 10 and the rotatory card of buckle 11 together through pivot 3, just so can realize the fixed mounting of left guard shield 4 and right guard shield 5, rethread internal thread 18 and connecting thread 22 mutually support, with connector 20 and transmitter body 1 fixed mounting together, screw-thread fit through grasping the installation screw thread 23 of seting up on the handle 27 with the large-scale equipment on seting up is screwed up, can realize the fixed mounting of transmitter body 1 and large-scale equipment like this, after transmitter body 1 is installed, the inside gas of equipment can be followed inlet hole 24 and got into the inside of transmitter body 1, arrive on pressure sensing chip 15 after the buffering of buffer beam 17, pressure sensing chip can be with received pressure signal conversion for the signal of telecommunication at last and transmit away through cable 16.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a flame proof integral type pressure transmitter which characterized in that: the transmitter comprises a transmitter body (1), wherein a boss (2) is formed and processed on the lower end face of the transmitter body (1); a rotating shaft (3) is vertically and fixedly arranged on the rear side of the upper surface of the boss (2); the left side and the right side of the rotating shaft (3) are respectively connected with a left protective cover (4) and a right protective cover (5); the middle of the upper surfaces of the left shield (4) and the right shield (5) is symmetrically provided with wire inlet pipes (6) which are matched with each other; a protective soft cushion (7) is arranged inside the wire inlet pipe (6); the front ends of the left shield (4) and the right shield (5) are respectively provided with a left connecting plate (8) and a right connecting plate (9); the inner side walls of the left connecting plate (8) and the right connecting plate (9) are respectively provided with clamping grooves (10) and buckles (11) at uniform intervals; a limiting groove (12) is formed in the side wall of the lower end of the transmitter body (1); a lead pipe (13) is processed on the upper surface of the transmitter body (1); sealant (14) is coated inside the lead tube (13); a pressure sensing chip (15) is fixedly and hermetically arranged in the transmitter body (1); the upper end of the pressure sensing chip (15) is connected with a cable (16); buffer rods (17) are uniformly arranged on the inner side wall of the transmitter body (1) at intervals in a crossed manner in the vertical axial direction below the pressure sensing chip (15); an internal thread (18) is formed in the inner side wall of the lower port of the boss (2); a sealing ring (19) is fixedly arranged on the lower surface of the boss (2); a connector (20) is arranged at the lower port of the boss (2); an installation head (21) is arranged on the lower end face of the connector (20); the outer side wall of the connector (20) is provided with a connecting thread (22); the outer side wall of the mounting head (21) is provided with a mounting thread (23); an air inlet (24) is formed in the center of the upper surface of the connector (20) and the lower surface of the mounting head (21) in a penetrating manner; the upper surface of the connector (20) and the lower surface of the mounting head (21) are provided with screw thread grooves (25); and a sealing ring groove (26) is formed on the upper surface of the mounting head (21).
2. The flameproof integrated pressure transmitter of claim 1, characterized in that: handles (27) are horizontally and symmetrically fixedly arranged on the left side wall and the right side wall of the boss (2); the handle (27) is sleeved with a soft sleeve (28).
3. The flameproof integrated pressure transmitter of claim 1, characterized in that: the transmitter body (1) and the connector (20) are mutually matched, connected and installed together through the threads of the internal thread (18) and the connecting thread (22).
4. The flameproof integrated pressure transmitter of claim 1, characterized in that: the left shield (4) and the right shield (5) are the same in size.
5. The flameproof integrated pressure transmitter of claim 2, characterized in that: the boss (2) and the handle (27) are fixedly connected and installed together by adopting a welding method.
6. The flameproof integrated pressure transmitter of claim 1, characterized in that: the transmitter body (1) is integrally processed from stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011316564.8A CN112097990B (en) | 2020-11-23 | 2020-11-23 | Flame-proof integrated pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011316564.8A CN112097990B (en) | 2020-11-23 | 2020-11-23 | Flame-proof integrated pressure transmitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112097990A CN112097990A (en) | 2020-12-18 |
| CN112097990B true CN112097990B (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011316564.8A Active CN112097990B (en) | 2020-11-23 | 2020-11-23 | Flame-proof integrated pressure transmitter |
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| Country | Link |
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| CN (1) | CN112097990B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483942A (en) * | 2021-07-01 | 2021-10-08 | 南京特敏传感技术有限公司 | Multipurpose integral type pressure sensing core |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202442838U (en) * | 2012-02-14 | 2012-09-19 | 王雪斌 | Mine explosion-proof pressure sensor |
| CN204387009U (en) * | 2015-01-05 | 2015-06-10 | 邯钢集团邯宝钢铁有限公司 | A kind of oil hydraulic cylinder sensor sealing protective device |
| CN210719484U (en) * | 2019-11-26 | 2020-06-09 | 东南大学 | Pressure sensor based on fiber bragg grating |
| CN210922943U (en) * | 2019-11-11 | 2020-07-03 | 南京航伽电子科技有限公司 | Explosion-proof pressure transmitter |
| CN211477489U (en) * | 2020-01-19 | 2020-09-11 | 雅斯科仪器仪表(苏州)有限公司 | Explosion-proof pressure gauge |
| CN211668671U (en) * | 2020-02-13 | 2020-10-13 | 天津铭景电子有限公司 | Pressure sensor with explosion-proof function |
-
2020
- 2020-11-23 CN CN202011316564.8A patent/CN112097990B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202442838U (en) * | 2012-02-14 | 2012-09-19 | 王雪斌 | Mine explosion-proof pressure sensor |
| CN204387009U (en) * | 2015-01-05 | 2015-06-10 | 邯钢集团邯宝钢铁有限公司 | A kind of oil hydraulic cylinder sensor sealing protective device |
| CN210922943U (en) * | 2019-11-11 | 2020-07-03 | 南京航伽电子科技有限公司 | Explosion-proof pressure transmitter |
| CN210719484U (en) * | 2019-11-26 | 2020-06-09 | 东南大学 | Pressure sensor based on fiber bragg grating |
| CN211477489U (en) * | 2020-01-19 | 2020-09-11 | 雅斯科仪器仪表(苏州)有限公司 | Explosion-proof pressure gauge |
| CN211668671U (en) * | 2020-02-13 | 2020-10-13 | 天津铭景电子有限公司 | Pressure sensor with explosion-proof function |
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| Publication number | Publication date |
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| CN112097990A (en) | 2020-12-18 |
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