CN215178334U

CN215178334U - Novel explosion-proof pressure transmitter

Info

Publication number: CN215178334U
Application number: CN202121374408.7U
Authority: CN
Inventors: 李从权
Original assignee: Leierda Instrument Jiangsu Co ltd
Current assignee: Leierda Instrument Jiangsu Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-14
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a novel explosion-proof pressure transmitter, which comprises a shell and a fixed frame; a housing: the middle part of the front surface and the middle part of the left side surface are respectively provided with a mounting groove, a digital display screen is arranged inside the mounting groove arranged in the middle part of the front surface of the shell, a circuit amplifier is arranged inside the mounting groove arranged in the middle part of the left side surface of the shell, mounting holes are respectively arranged in the middle parts of the upper side surface and the lower side surface of the shell, connecting holes are arranged between the two mounting holes in a circumferential array manner, a confluence valve is arranged inside the mounting hole positioned at the upper side, a shunt valve is arranged inside the mounting hole positioned at the lower side, a limiting ring is arranged in the middle part of the upper end of the shell, and a connector in threaded connection with an external pipeline is arranged at the lower end of the shell; fixing a frame: for the cruciform structure, the mount is installed in the inside middle part of connecting hole, can detect fluid pressure through the multiunit pipeline, can shunt the fluid simultaneously to prevent that the fluid velocity of flow is too big and lead to pressure transmitter to damage.

Description

Novel explosion-proof pressure transmitter

Technical Field

The utility model relates to a pressure transmitter technical field specifically is a novel explosion-proof pressure transmitter.

Background

Pressure transmitter is a equipment that converts pressure into pneumatic signal or electric signal and control and teletransmission, and pressure transmitter is the most commonly used sensor in industrial practice, and its wide application is numerous trades such as various industry automatic control environment relates to water conservancy water and electricity, railway traffic, intelligent building, production automatic control, aerospace, military project, petrochemical industry, oil well, electric power, boats and ships, lathe, pipeline, but current pressure transmitter is mostly single tube structure, can't shunt the fluid, leads to pressure transmitter to appear damaging when the fluid velocity of flow of monitoring is great easily, for this reason, we propose a novel explosion-proof pressure transmitter.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a novel explosion-proof pressure transmitter, can detect fluid pressure through the multiunit pipeline, can shunt the fluid simultaneously to prevent that the fluid velocity of flow is too big and lead to pressure transmitter to damage, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel explosion-proof pressure transmitter comprises a shell and a fixing frame;

a housing: the middle part of the front surface and the middle part of the left side surface are respectively provided with a mounting groove, a digital display screen is arranged inside the mounting groove arranged in the middle part of the front surface of the shell, a circuit amplifier is arranged inside the mounting groove arranged in the middle part of the left side surface of the shell, mounting holes are respectively arranged in the middle parts of the upper side surface and the lower side surface of the shell, connecting holes are arranged between the two mounting holes in a circumferential array manner, a confluence valve is arranged inside the mounting hole positioned at the upper side, a shunt valve is arranged inside the mounting hole positioned at the lower side, a limiting ring is arranged in the middle part of the upper end of the shell, and a connector in threaded connection with an external pipeline is arranged at the lower end of the shell;

fixing a frame: the fixing frame is of a cross structure and is arranged in the middle of the inside of the connecting hole, the middle of the upper surface of the fixing frame is rotatably connected with a turbine, and a generator is arranged inside the turbine;

wherein: the output end of the generator is electrically connected with the input end of the digital display screen through the circuit amplifier.

Furthermore, the display screen further comprises two pieces of toughened glass, wherein the two pieces of toughened glass are respectively arranged at the outer side ends of the circuit amplifier and the digital display screen, and the outer surface of the toughened glass is flush with the outer surface of the shell. The toughened glass who sets up can protect circuit amplifier and digital display screen to prevent that equipment from receiving the striking and leading to it to appear damaging, thereby make the practicality of equipment stronger.

Furthermore, still include the hoop, the hoop is installed in the outer loop side upper end of spacing ring, and the front end of hoop is provided with fastening bolt. The hoop can lock the end of the external pipeline, so that the external pipeline is prevented from falling off to influence the normal use of the equipment.

Further, still include binding post and sealed piece, binding post installs in the right flank middle part of shell, and binding post's inside joint has sealed piece, and binding post's input is connected with circuit amplifier's output electricity. The binding post that sets up can be connected pressure transmitter and external integrated equipment to make things convenient for the staff to monitor pressure transmitter through external integrated equipment.

Further, still include sealed pad and cushion, sealed pad is the annular structure, and sealed pad cup joints in the outer ring side upper end of connector, and the lower surface mounting who fills up has the cushion. The leakproofness of equipment after the installation can effectively be promoted to the sealed pad that sets up and cushion to prevent that equipment and pipeline junction from appearing leaking and influencing the normal use of equipment.

Further, still include the sleeve pipe, sleeve pipe threaded connection is in the inside lower extreme of connector, and sheathed tube middle part sets up the pressure hole that draws of hexagon structure. The sleeve pipe that sets up is convenient to be changed to can make the pipeline of equipment monitoring different flow, in order to reach the purpose that increases the practicality of equipment.

Compared with the prior art, the beneficial effects of the utility model are that: this novel explosion-proof pressure transmitter has following benefit:

1. can detect the fluid pressure through multiunit pipeline, can shunt the fluid simultaneously to prevent that the fluid velocity of flow is too big and lead to pressure transmitter to damage.

2. The toughened glass who sets up can protect circuit amplifier and digital display screen to prevent that equipment from receiving the striking and leading to it to appear damaging, thereby make the practicality of equipment stronger.

3. The sleeve pipe that sets up is convenient to be changed to can make the pipeline of equipment monitoring different flow, in order to reach the purpose that increases the practicality of equipment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front side sectional view of the present invention;

FIG. 3 is a right side sectional view of the present invention;

FIG. 4 is a schematic view of the upper side cross-section structure of the present invention;

fig. 5 is an enlarged schematic structural view of the front side section a of the present invention.

In the figure: the device comprises a shell 1, a connector 2, a limiting ring 3, a confluence valve 4, a flow divider 5, a fixing frame 6, a turbine 7, a generator 8, a circuit amplifier 9, a digital display screen 10, toughened glass 11, a hoop 12, a wiring terminal 13, a sealing block 14, a sealing gasket 15, a rubber gasket 16 and a sleeve 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present embodiment provides a technical solution: a novel explosion-proof pressure transmitter comprises a shell 1 and a fixing frame 6;

the shell 1: the middle part of the front surface and the middle part of the left side surface are respectively provided with a mounting groove, the inside of the mounting groove formed in the middle part of the front surface of the shell 1 is provided with a digital display screen 10, the inside of the mounting groove formed in the middle part of the left side surface of the shell 1 is provided with a circuit amplifier 9, the middle parts of the upper side surface and the lower side surface of the shell 1 are respectively provided with a mounting hole, a connecting hole is formed between the two mounting holes in a circumferential array manner, a confluence valve 4 is arranged inside the mounting hole positioned at the upper side, a shunt valve 5 is arranged inside the mounting hole positioned at the lower side, the middle part of the upper end of the shell 1 is provided with a limiting ring 3, and the lower end of the shell 1 is provided with a connector 2 in threaded connection with an external pipeline; the display screen further comprises two pieces of toughened glass 11, the two pieces of toughened glass 11 are arranged on the outer side ends of the circuit amplifier 9 and the digital display screen 10 respectively, and the outer surface of the toughened glass 11 is flush with the outer surface of the shell 1. The toughened glass 11 that sets up can protect circuit amplifier 9 and digital display screen 10 to prevent that equipment from receiving the striking and leading to it to appear damaging, thereby make the practicality of equipment stronger. The limiting ring is characterized by further comprising a hoop 12, wherein the hoop 12 is installed at the upper end of the outer ring side of the limiting ring 3, and a fastening bolt is arranged at the front end of the hoop 12. The hoop 12 can lock the end of the outer pipe to prevent the outer pipe from falling off and affecting the normal use of the equipment. Still include binding post 13 and sealed piece 14, binding post 13 installs in the right flank middle part of shell 1, and binding post 13's inside joint has sealed piece 14, and binding post 13's input is connected with circuit amplifier 9's output electricity. The provided wiring terminal 13 can connect the pressure transmitter with an external integrated device, so that a worker can conveniently monitor the pressure transmitter through the external integrated device. Still including sealed 15 and the cushion 16 of filling up, sealed 15 of filling up is annular structure, and sealed 15 cup joints in the outer loop side upper end of connector 2, and the lower surface mounting who fills up 15 of filling up has cushion 16. The sealing gasket 15 and the rubber gasket 16 can effectively improve the sealing performance of the equipment after installation, so that the normal use of the equipment is prevented from being influenced by the leakage at the joint of the equipment and a pipeline. Still include sleeve pipe 17, sleeve pipe 17 threaded connection is in the inside lower extreme of connector 2, and the pressure hole that draws of hexagon structure is seted up at sleeve pipe 17's middle part. The sleeve 17 provided is convenient to replace, so that the equipment can monitor pipelines with different flow rates, and the purpose of increasing the practicability of the equipment is achieved.

A fixing frame 6: the fixing frame 6 is arranged in the middle of the inner part of the connecting hole, the middle of the upper surface of the fixing frame 6 is rotatably connected with a turbine 7, and a generator 8 is arranged in the turbine 7;

wherein: the output end of the generator 8 is electrically connected with the input end of the digital display screen 10 through the circuit amplifier 9.

The utility model provides a pair of novel explosion-proof pressure transmitter's theory of operation as follows: the method comprises the steps that a proper sleeve 17 is selected to be installed according to monitored fluid and the inner diameter of a pipeline, the fluid enters a shunt valve 5 through a pressure guide hole formed in the middle of the sleeve 17, the shunt valve 5 shunts the fluid and conveys the fluid to the inside of a connecting hole, when the fluid flows through the inside of the mounting hole, a turbine 7 is driven to rotate, the turbine 7 rotates to drive a generator 8 to operate, current generated by the generator 8 flows to a circuit amplifier 9 and is converted, and then a pressure value generated when the fluid flows through a digital display screen 10 is displayed.

It should be noted that the generator 8 disclosed in the above embodiments is an F36W type permanent magnet micro generator, the circuit amplifier 9 is an OP07CDR type circuit amplifier, and the digital display screen 10 is an ILD24-UTP type digital display screen.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a novel explosion-proof pressure transmitter which characterized in that: comprises a shell (1) and a fixed frame (6);

housing (1): mounting grooves are respectively formed in the middle of the front surface and the middle of the left side surface, a digital display screen (10) is arranged inside the mounting groove formed in the middle of the front surface of the shell (1), a circuit amplifier (9) is arranged inside the mounting groove formed in the middle of the left side surface of the shell (1), mounting holes are respectively formed in the middle of the upper side surface and the lower side surface of the shell (1), connecting holes are formed between the two mounting holes in a circumferential array mode, a confluence valve (4) is arranged inside the mounting hole on the upper side, a shunt valve (5) is arranged inside the mounting hole on the lower side, a limiting ring (3) is arranged in the middle of the upper end of the shell (1), and a connector (2) in threaded connection with an external pipeline is arranged at the lower end of the shell (1);

a fixing frame (6): the fixing frame (6) is arranged in the middle of the inside of the connecting hole, the middle of the upper surface of the fixing frame (6) is rotatably connected with a turbine (7), and a generator (8) is arranged inside the turbine (7);

wherein: the output end of the generator (8) is electrically connected with the input end of the digital display screen (10) through the circuit amplifier (9).

2. The novel explosion-proof pressure transmitter of claim 1, characterized in that: the display screen is characterized by further comprising two pieces of toughened glass (11), wherein the two pieces of toughened glass (11) are arranged on the outer side end of the circuit amplifier (9) and the outer side end of the digital display screen (10) respectively, and the outer surface of the toughened glass (11) is flush with the outer surface of the shell (1).

3. The novel explosion-proof pressure transmitter of claim 1, characterized in that: the clamp is characterized by further comprising a hoop (12), wherein the hoop (12) is installed at the upper end of the outer ring side of the limiting ring (3), and a fastening bolt is arranged at the front end of the hoop (12).

4. The novel explosion-proof pressure transmitter of claim 1, characterized in that: still include binding post (13) and sealed piece (14), binding post (13) are installed in the right flank middle part of shell (1), and the inside joint of binding post (13) has sealed piece (14), and the input of binding post (13) is connected with the output electricity of circuit amplifier (9).

5. The novel explosion-proof pressure transmitter of claim 1, characterized in that: still including sealed pad (15) and cushion (16), sealed pad (15) are the loop configuration, and sealed pad (15) cup joints in the outer loop side upper end of connector (2), and the lower surface mounting who seals up pad (15) has cushion (16).

6. The novel explosion-proof pressure transmitter of claim 1, characterized in that: still include sleeve pipe (17), sleeve pipe (17) threaded connection is in the inside lower extreme of connector (2), and the pressure hole that draws of hexagon structure is seted up in the middle part of sleeve pipe (17).