CN218121240U

CN218121240U - Full-temperature-zone high-precision pressure transmitter

Info

Publication number: CN218121240U
Application number: CN202221407643.4U
Authority: CN
Inventors: 曹文韬; 邵文敏
Original assignee: BAOJI HENGTONG ELECTRONICS CO LTD
Current assignee: BAOJI HENGTONG ELECTRONICS CO LTD
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-12-23
Anticipated expiration: 2032-06-08

Abstract

The utility model provides a full-temperature-zone high-precision pressure transmitter, which comprises a mounting seat, an external thread pressure detection probe, a hexagonal block, a diffusion silicon core body, an annular pressing block, a fixed plate, a main plate, a protective sleeve, a circular socket, a sleeve nut, a wiring plug, a ventilation and heat insulation protective sleeve structure and an anti-pollution information engraving and pasting plate structure, wherein the opening part at the middle part of the lower part of the mounting seat is integrally connected with the external thread pressure detection probe; the middle part of the inner part of the hexagonal block is provided with a mounting hole, and the hexagonal block is integrally connected to the lower side of the outer wall of the mounting seat through the mounting hole; a diffused silicon core body is inserted into the lower side inside the mounting seat; the upper side of the inside of the mounting seat is in threaded connection with an annular pressing block. The utility model discloses in, the screw thread mounting hole, the setting of connecting rod and protection screen cloth is favorable to realizing scald preventing's function.

Description

Full-temperature-zone high-precision pressure transmitter

Technical Field

The utility model belongs to the technical field of the changer, especially, relate to a full warm area high accuracy pressure transmitter.

Background

The pressure transmitter is a device which can convert physical pressure parameters of gas, liquid and the like sensed by a load cell sensor into standard electric signals to be supplied to secondary instruments such as an indicating alarm instrument, a recorder, a regulator and the like for measurement, indication and process regulation.

The existing pressure transmitter has some problems in the use process, such as:

1. the function of preventing scald is not convenient to realize;

2. the function of protecting the parameter information of the transmitter is not convenient to realize.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that exists, the utility model provides a full warm area high accuracy pressure transmitter, wherein the utility model discloses a can realize through following technical scheme:

a full-temperature-zone high-precision pressure transmitter comprises a mounting base, an external thread pressure detection probe, a hexagonal block, a diffusion silicon core body, an annular pressing block, a fixing plate, a main plate, a protecting sleeve, a circular socket, a clamping sleeve nut, a wiring plug, a ventilation and heat insulation protecting sleeve structure and an anti-pollution information depiction pasting plate structure, wherein the external thread pressure detection probe is integrally connected with an opening at the middle part of the lower part of the mounting base; the middle part of the inner part of the hexagonal block is provided with a mounting hole, and the hexagonal block is integrally connected to the lower side of the outer wall of the mounting seat through the mounting hole; a diffused silicon core body is inserted into the lower side in the mounting seat; the upper side inside the mounting seat is in threaded connection with an annular pressing block; the middle part of the upper part of the annular pressing block is integrally connected with a fixing plate, and the middle part of the front part of the fixing plate is connected with a main plate through a screw; the outer wall of the mounting seat is in threaded connection with a protective sleeve, and the protective sleeve is positioned on the upper part of the hexagonal block; the upper end of the protective sleeve is provided with a circular socket which is fixedly connected with the protective sleeve through a clamping sleeve nut; the upper side of the circular socket is inserted with a wiring plug, and the wiring plug is positioned at the upper part of the clamping sleeve nut; the structure of the protective sleeve capable of ventilating and insulating heat is connected with the protective sleeve; the anti-pollution information depiction pasting plate structure is connected with the ventilating heat insulation protective sleeve structure; the protective sleeve structure capable of ventilating and insulating heat comprises threaded mounting holes, connecting rods and a protective net sleeve, wherein the peripheral parts of the upper side and the lower side of the outer wall of the protective sleeve are provided with the threaded mounting holes, and the connecting rods are in threaded connection with the inner parts of the threaded mounting holes; the protecting net sleeve is sleeved on the lower side of the middle part of the outer wall of the protecting sleeve, and the peripheral parts of the upper side and the lower side of the inner wall of the protecting net sleeve are respectively connected with the outer end of the connecting rod through screws.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, the screw thread mounting hole, the setting of connecting rod and protection screen cloth is favorable to realizing scald preventing's function.

2. The utility model discloses in, anti-pollution information portrayal paste the setting of plate structure, be favorable to realizing being convenient for protect the function of changer parameter information.

3. The utility model discloses in, the setting of diffusion silicon core be favorable to realizing being convenient for to be transformed into the function of the standard signal of telecommunication with the physical pressure parameter of liquid or gas.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the structure of the ventilation and thermal insulation protective sleeve of the present invention.

Fig. 3 is a schematic structural view of the anti-pollution information depiction pasting board structure of the present invention.

In the figure:

1. a mounting seat; 2. an external thread pressure detection probe; 3. a hexagonal block; 4. a diffused silicon core; 5. an annular pressing block; 6. a fixing plate; 7. a main board; 8. a protective sleeve; 9. a circular socket; 10. cutting the nut; 11. a wiring plug; 12. a ventilating and heat insulating protective sleeve structure; 121. a threaded mounting hole; 122. a connecting rod; 123. a protective net cover; 13. the anti-pollution information is characterized by pasting the board structure; 131. pasting the sketching board; 132. a connecting frame; 133. an anti-pollution protective cover; 134. anti-drop annular separation blade.

Detailed Description

The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, a full-temperature-zone high-precision pressure transmitter comprises a mounting base 1, an external thread pressure detection probe 2, a hexagonal block 3, a diffusion silicon core 4, an annular pressing block 5, a fixing plate 6, a main plate 7, a protective sleeve 8, a circular socket 9, a sleeve nut 10 and a wiring plug 11, wherein the external thread pressure detection probe 2 is integrally connected with an opening at the middle part of the lower part of the mounting base 1; the middle part of the inside of the hexagonal block 3 is provided with a mounting hole, the hexagonal block 3 is integrally connected to the lower side of the outer wall of the mounting seat 1 through the mounting hole, and the hexagonal block 3 plays a role in facilitating the mounting or dismounting of the device; a diffused silicon core body 4 is inserted into the lower side in the mounting seat 1 to play a role in detecting liquid or gas pressure; the upper side inside the mounting seat 1 is in threaded connection with an annular pressing block 5, so that the effect of fixing the diffusion silicon core body 4 is achieved; the middle part of the upper part of the annular pressing block 5 is integrally connected with a fixed plate 6, and the middle part of the front part of the fixed plate 6 is connected with a main plate 7 through a screw; the outer wall of the mounting seat 1 is in threaded connection with a protective sleeve 8, and the protective sleeve 8 is positioned on the upper portion of the hexagonal block 3; the upper end of the protective sleeve 8 is provided with a circular socket 9, and the circular socket 9 is fixedly connected with the protective sleeve 8 through a ferrule nut 10; the upper side of the round socket 9 is inserted with a wiring plug 11, and the wiring plug 11 is positioned at the upper part of the cutting sleeve nut 10, so that the wiring function is facilitated.

The full-temperature-zone high-precision pressure transmitter further comprises a ventilation and heat insulation protecting sleeve structure 12 and an anti-pollution information drawing and pasting plate structure 13, wherein the ventilation and heat insulation protecting sleeve structure 12 is connected with the protecting sleeve 8, and the function of heat insulation protection is favorably realized; the anti-pollution information portrayal paste plate structure 13 is connected with the ventilation heat insulation protective sleeve structure 12, and the function of conveniently protecting the parameters of the transmitter is realized.

The ventilated and heat-insulated protective sleeve structure 12 comprises a threaded mounting hole 121, a connecting rod 122 and a protective net cover 123, wherein the threaded mounting hole 121 is formed in the peripheral parts of the upper side and the lower side of the outer wall of the protective sleeve 8, and the connecting rod 122 is in threaded connection with the inner part of the threaded mounting hole 121; the middle part of the outer wall of the protecting sleeve 8 is sleeved with the protecting net sleeve 123 at the lower side, when the pressure transmitter is applied to the high-temperature condition, when an operator maintains and repairs components near the transmitter, the protecting sleeve 8 can be prevented from being touched by the operator through the protecting net sleeve 123, so that the skin of the operator is scalded, the personal safety of the operator is protected, and the peripheral parts of the upper side and the lower side of the inner wall of the protecting net sleeve 123 are respectively connected with the outer end of the connecting rod 122 through screws.

In this embodiment, as shown in fig. 3, the anti-pollution information depiction pasting board structure 13 includes a pasting drawing board 131, a connecting frame 132, an anti-pollution protection cover 133 and an anti-falling annular blocking piece 134, wherein the connecting frame 132 is respectively bolted on the upper and lower sides of the left portion of the pasting drawing board 131; the pasting carved board 131 is arranged inside the anti-pollution protective cover 133, after the existing transmitter is used for a long time, external dust or oil stain can cover relevant parameters marked on the transmitter, so that when the transmitter is replaced and maintained, the relevant parameters of the transmitter are inconvenient to read, at the moment, when the pressure transmitter is produced, the relevant parameters of the pressure transmitter can be carved on the right surface of the pasting carved board 131, or a plastic paper piece printed with the relevant parameters of the pressure transmitter is stuck to the right side of the pasting carved board 131, then the anti-pollution protective cover 133 can be sleeved on the outer wall of the pasting carved board 131, the relevant parameters of the pressure transmitter can be protected through the anti-pollution protective cover 133, the problem that the relevant parameters of the pressure transmitter are covered by the dust or the oil stain is avoided, and the function of protecting the relevant parameters of the pressure transmitter conveniently is realized; the inner left side of the anti-pollution protection cover 133 is integrally connected with an anti-drop annular blocking piece 134, and the anti-drop annular blocking piece 134 is located on the left side of the pasting drawing board 131.

In this embodiment, specifically, the left end of the connecting frame 132 is connected to the upper and lower bolts on the right side of the protective net 123.

In this embodiment, specifically, the ferrule nut 10 is screwed to the upper end of the protective sleeve 8.

In this embodiment, specifically, the middle part inside the external thread pressure detection probe 2 is provided with a through hole.

In this embodiment, it is specific, protection net 123 adopt the cross section to be circular teflon plastics net, when lag 8 during operation under high temperature state, can avoid operating personnel directly to touch lag 8 through protection net 123 to lead to the problem of operating personnel scald.

In this embodiment, specifically, the connecting rod 122 adopts a plurality of teflon plastic rods, plays a role in isolating heat, and avoids the problem that heat on the protecting sleeve 8 is conducted to the protecting net 123.

In this embodiment, specifically, the pasting sketching board 131 is a stainless steel plate with a circular longitudinal section, and when the parameters of the pressure transmitter need to be identified, the external laser engraving machine can be used for engraving the relevant parameters of the pressure transmitter on the right surface of the pasting sketching board 131, and the plastic paper with the relevant parameters of the pressure transmitter can be adhered to the right side of the pasting sketching board 131.

In this embodiment, specifically, the anti-pollution protection cover 133 adopts the rubber cover with the circular longitudinal section, plays a role in protecting the pasting sketchpad 131, and avoids the problem that the relevant parameters of the pressure transmitter on the right of the pasting sketchpad 131 can not be correctly identified by an operator due to the pollution of oil stains or dust.

In this embodiment, specifically, the anti-falling annular blocking piece 134 is an annular rubber piece, which prevents the anti-pollution protection cover 133 from falling off from the outer wall of the pasting sketching board 131.

In this embodiment, specifically, the protective sleeve 8 is a stainless steel sleeve with a circular cross section.

In this embodiment, specifically, the diffused silicon core 4 is an MPM288.09 type diffused silicon core.

In this embodiment, specifically, the motherboard 7 is an LFT2800 type pressure transmitter motherboard with an output current of 4 to 20 mA.

In this embodiment, specifically, the circular socket 9 is a socket for an LFT2800 type pressure transmitter.

In this embodiment, specifically, the connection plug 11 is a plug for an LFT2800 type pressure transmitter.

In this embodiment, specifically, the diffused silicon core 4 and the circular socket 9 are electrically connected to the main board 7.

Principle of operation

In the utility model, when the pressure transmitter is used at high temperature, when the operator maintains and repairs the components near the transmitter, the protection net 123 can avoid the operator touching the protection cover 8 accidentally, which leads to the skin scald of the operator, and further realizes the function of protecting the personal safety of the operator; after current changer uses for a long time, outside dust or oil stain then can cover the relevant parameter of mark on the changer, thereby when changing the maintenance changer, then be not convenient for read the relevant parameter of changer, when carrying out production to pressure transmitter this moment, can be with the relevant parameter portrayal of pressure transmitter on the right surface of pasting drawing board 131, or bond the plastics scraps of paper that is printed with the relevant parameter of pressure transmitter on the right side of pasting drawing board 131, can cup joint anti-pollution safety cover 133 at the outer wall of pasting drawing board 131 afterwards, can protect the relevant parameter of pressure transmitter through anti-pollution safety cover 133, avoid the problem that dust or oil stain covered it, realize being convenient for protect the function of the relevant parameter of pressure transmitter.

Utilize technical scheme, or technical staff in the field be in the utility model technical scheme's inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The full-temperature-zone high-precision pressure transmitter is characterized by comprising a mounting base (1), an external thread pressure detection probe (2), a hexagonal block (3), a diffusion silicon core body (4), an annular pressing block (5), a fixing plate (6), a main plate (7), a protecting sleeve (8), a circular socket (9), a clamping sleeve nut (10), a wiring plug (11), a ventilating and heat-insulating protecting sleeve structure (12) and an anti-pollution information engraving and pasting plate structure (13), wherein the external thread pressure detection probe (2) is integrally connected with an opening at the middle part of the lower part of the mounting base (1); the middle part of the interior of the hexagonal block (3) is provided with a mounting hole, and the hexagonal block (3) is integrally connected to the lower side of the outer wall of the mounting seat (1) through the mounting hole; a diffused silicon core body (4) is inserted into the lower side in the mounting seat (1); the upper side inside the mounting seat (1) is in threaded connection with an annular pressing block (5); the middle part of the upper part of the annular pressing block (5) is integrally connected with a fixed plate (6), and the middle part of the front part of the fixed plate (6) is connected with a main plate (7) through a screw; the outer wall of the mounting seat (1) is in threaded connection with a protective sleeve (8), and the protective sleeve (8) is positioned at the upper part of the hexagonal block (3); a round socket (9) is arranged at the upper end of the protective sleeve (8), and the round socket (9) is fixedly connected with the protective sleeve (8) through a clamping sleeve nut (10); the upper side of the round socket (9) is spliced with a wiring plug (11), and the wiring plug (11) is positioned at the upper part of the ferrule nut (10).

2. The full-temperature-zone high-precision pressure transmitter according to claim 1, wherein the ventilation and thermal insulation protective sleeve structure (12) is connected with a protective sleeve (8); the anti-pollution information depiction pasting plate structure (13) is connected with the ventilation and heat insulation protective sleeve structure (12); the ventilating and heat-insulating protective sleeve structure (12) comprises a threaded mounting hole 121, a connecting rod (122) and a protective net sleeve (123), the threaded mounting holes (121) are formed in the peripheral parts of the upper side and the lower side of the outer wall of the protective sleeve (8), and the connecting rod (122) is in threaded connection with the inside of each threaded mounting hole (121); the protecting net sleeve (123) is sleeved on the lower side of the middle part of the outer wall of the protecting sleeve (8), and the peripheral parts of the upper side and the lower side of the inner wall of the protecting net sleeve (123) are respectively connected with the outer end of the connecting rod (122) through screws.

3. The full-temperature-zone high-precision pressure transmitter according to claim 2, wherein the anti-pollution information depiction pasting plate structure (13) comprises a pasting drawing board (131), a connecting frame (132), an anti-pollution protection cover (133) and an anti-falling annular blocking piece (134), wherein the upper side and the lower side of the left part of the pasting drawing board (131) are respectively connected with the connecting frame (132) through bolts; the pasting sketching board (131) is arranged inside the anti-pollution protective cover (133); anti-pollution protection cover (133) inside left side integration be connected with anti-drop annular separation blade (134), and anti-drop annular separation blade (134) are located the left side of pasting sketching board (131).

4. The full-temperature-zone high-precision pressure transmitter according to claim 3, wherein the left end of the connecting frame (132) is respectively connected with the upper part and the lower part of the right side of the protective net sleeve (123) through bolts.

5. Full-temperature-zone high-precision pressure transmitter according to claim 1, characterized in that the ferrule nut (10) is screwed on the upper end of the protective sleeve (8).