CN213120955U

CN213120955U - Pressure transmitter

Info

Publication number: CN213120955U
Application number: CN202022631752.1U
Authority: CN
Inventors: 石向红
Original assignee: Guangzhou Aoyi Automation Equipment Co ltd
Current assignee: Guangzhou Aoyi Automation Equipment Co ltd
Priority date: 2020-11-15
Filing date: 2020-11-15
Publication date: 2021-05-04
Anticipated expiration: 2030-11-15

Abstract

The utility model discloses a pressure transmitter, which comprises an outer shell, wherein the top end of the outer shell is provided with a conduit, the two ends of the conduit are respectively provided with a sealing cover, one side of the outer shell is provided with a front end cover, one side of the front end cover, which is far away from the outer shell, is provided with a groove, the other side of the outer shell is provided with a rear end cover, and one side of the rear end cover, which is far away from the outer shell, is provided with; the first interface tube is arranged at the bottom end of the outer shell, and a rotating disc is arranged at the top end of the side face of the first interface tube; and the second interface tube is arranged at the bottom end of the rotating disc. The utility model discloses when measuring the pressure value, the fluid velocity of flow produces certain pressure to the drum bag, detects the atmospheric pressure value through baroceptor and changes, is convenient for detect the pressure value, and baroceptor does not reduce the fluid to baroceptor to the damage with fluid direct contact simultaneously, has solved pressure measurement's device and often directly contacts with the fluid, has reduced the life's of device problem.

Description

Pressure transmitter

Technical Field

The utility model relates to a changer technical field specifically is a pressure transmitter.

Background

Transmitters have evolved from sensors, all of which are capable of outputting a standard signal. The standard signal is a signal having a form and quantity in a range conforming to the international standard. Because the direct current signal has the advantages of no influence of inductance, capacitance and load properties in a line, no phase shift problem and the like, the International Electrotechnical Commission (IEC) determines a current signal of 4-20 mA (dc) and a voltage signal of 1-5V (dc) as the unified standard of analog signals in a process control system.

At present, in the use process of the transmitter, a device for pressure detection is often in direct contact with fluid, so that the damage speed of the device is often increased, and the service life of the device is shortened. We have therefore developed this and propose a pressure transmitter.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a pressure transmitter, include:

the liquid crystal display screen comprises an outer shell, wherein a conduit is arranged at the top end of the outer shell, two ends of the conduit are respectively provided with a sealing cover, one side of the outer shell is provided with a front end cover, one side of the front end cover, which is far away from the outer shell, is provided with a groove, the bottom of the groove is provided with a liquid crystal display screen, the other side of the outer shell is provided with a rear end cover, and one side of the rear end cover, which is far away from the;

the first interface tube is arranged at the bottom end of the outer shell, a connecting seat is fixedly connected to the top end of the side face of the first interface tube, the connecting seat is arranged at the bottom of the outer shell, a charging port is arranged on one side of the connecting seat, and a rotating disc is arranged at the top end of the side face of the first interface tube;

the second interface tube is arranged at the bottom end of the rotating disc, and the first interface tube is fixedly connected with the second interface tube through the rotating disc.

As a preferred technical scheme of the utility model, the thread groove has been seted up to the inboard of rolling disc, the interior survey of thread groove is provided with the internal thread, the side bottom of first mouth-piece and the side top of second mouth-piece all are provided with the external screw thread that uses with interior screw-thread fit.

As an optimal technical scheme of the utility model, the inboard of first mouth-piece and second mouth-piece all sets up the antirust coat, the opposite side bottom that the second mouth-piece is located the antirust coat is provided with a filter screen.

As a preferred technical scheme of the utility model, the inside of first mouth-piece and second mouth-piece is provided with same flow distribution plate, the both sides of flow distribution plate are fixed with a plurality of connection piece, the flow distribution plate passes through connection piece and first mouth-piece and second mouth-piece reciprocal anchorage, a plurality of evenly distributed's through-hole has all been seted up on the top of connection piece.

As a preferred technical scheme of the utility model, the inboard top of second mouth-piece is provided with a drum bag, the top both sides of drum bag all are provided with a baroceptor, baroceptor's model is FBC02A, the top of drum bag is provided with a fixed plate.

As a preferred technical scheme of the utility model, the bottom mounting of fixed plate has first sealing washer, the top fixedly connected with second sealing washer of fixed plate, first sealing washer adopts elastic rubber to make.

As a preferred technical scheme of the utility model, inside one side of connecting seat is provided with handles the chip, the inside opposite side of connecting seat is provided with the battery, the battery passes through the wire and charges mouthful electric connection.

As an optimal technical scheme of the utility model, the inside of shell body is provided with the bluetooth signal chip, bluetooth signal chip electric connection has external mobile device, the model of bluetooth signal chip is SKB 501.

The utility model has the advantages that: the pressure transmitter is characterized in that a bulge bag is arranged at the top end of the inner side of the second interface tube, when the pressure value is measured, the flow velocity of fluid generates certain pressure to the bulge bag, then the air between the air bag and the fixed plate is compressed, the air pressure sensor is used for detecting the change of the air pressure value, the detection of the pressure value is convenient, meanwhile, the air pressure sensor is not in direct contact with the fluid, thereby reducing the damage of the fluid to the air pressure sensor, solving the problems that the device for pressure detection is often in direct contact with the fluid and the service life of the device is reduced, meanwhile, the first sealing ring is arranged at the top end of the fixing plate, the second sealing ring is arranged at the bottom end of the fixing plate, the sealing performance of the device is improved, the elastic rubber is convenient to provide buffer force for the balloon, meanwhile, the contact between the fluid and the electrical appliance in the connecting seat is avoided, the short circuit failure of the device is avoided, and the practicability of the device is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a pressure transmitter according to the present invention;

fig. 2 is a schematic structural view of the back side of a pressure transmitter of the present invention;

fig. 3 is a plan view of a pressure transmitter of the present invention;

fig. 4 is an enlarged view of a pressure transmitter of the present invention;

fig. 5 is an enlarged view of B of a pressure transmitter of the present invention;

fig. 6 is an enlarged view of a C of the pressure transmitter of the present invention.

In the figure: 1. an outer housing; 2. a conduit; 3. a sealing cover; 4. a front end cover; 5. a liquid crystal display screen; 6. a rear end cap; 7. a breathable net; 8. a first interface tube; 9. a connecting seat; 10. a charging port; 11. rotating the disc; 12. a second mouthpiece; 13. an internal thread; 14. an external thread; 15. a rust-proof layer; 16. a filter screen; 17. a flow distribution plate; 18. connecting sheets; 19. a through hole; 20. a balloon; 21. an air pressure sensor; 22. a fixing plate; 23. a first seal ring; 24. a second seal ring; 25. processing the chip; 26. a storage battery; 27. bluetooth signal chip.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-6, the utility model relates to a pressure transmitter, include:

the air-permeable display device comprises an outer shell 1, wherein a conduit 2 is arranged at the top end of the outer shell 1, two sealing covers 3 are arranged at two ends of the conduit 2, a front end cover 4 is arranged on one side of the outer shell 1, a groove is formed in one side, away from the outer shell 1, of the front end cover 4, a liquid crystal display screen 5 is arranged at the bottom of the groove, a rear end cover 6 is arranged on the other side of the outer shell 1, and a plurality of air-permeable nets;

the first interface tube 8 is arranged at the bottom end of the outer shell 1, the top end of the side face of the first interface tube 8 is fixedly connected with a connecting seat 9, the connecting seat 9 is arranged at the bottom of the outer shell 1, a charging port 10 is arranged on one side of the connecting seat 9, and a rotating disc 11 is arranged at the top end of the side face of the first interface tube 8;

and the second mouthpiece 12 is arranged at the bottom end of the rotating disc 11, and the first mouthpiece 8 is fixedly connected with the second mouthpiece 12 through the rotating disc 11.

Wherein, thread groove has been seted up to the inboard of rolling disc 11, and thread groove's inside survey is provided with internal thread 13, and the side bottom of first mouth-piece 8 all is provided with the external screw thread 14 that uses with internal thread 13 cooperation with the side top of second mouth-piece 12, through setting up internal thread 13 and external screw thread 14, internal thread 13 carries out threaded connection with external screw thread 14, and the installation and the dismantlement of second mouth-piece 12 of being convenient for are changed, are convenient for wash when second mouth-piece 12 blocks up simultaneously.

The inner sides of the first interface tube 8 and the second interface tube 12 are both provided with an anti-rust layer 15, the bottom end of the second interface tube 12, which is located on the opposite side of the anti-rust layer 15, is provided with a filter screen 16, through the arrangement of the anti-rust layer 15, corrosion of the first interface tube 8 and the second interface tube 12 when fluid passes through the first interface tube 8 and the second interface tube 12 is avoided, through the arrangement of the filter screen 16, fixed substances in the fluid can be conveniently filtered, and blockage of the first interface tube 8 and the second interface tube 12 is avoided.

Wherein, the inside of first interface tube 8 and second interface tube 12 is provided with same flow distribution plate 17, the both sides of flow distribution plate 17 are fixed with a plurality of connection piece 18, flow distribution plate 17 passes through connection piece 18 and first interface tube 8 and second interface tube 12 reciprocal anchorage, a plurality of evenly distributed's through-hole 19 has all been seted up on the top of a plurality of connection piece 18, through setting up flow distribution plate 17, it is leading-in to be convenient for fluid through flow distribution plate 17 one side, derive from the opposite side, through setting up through-hole 19, be convenient for fluid smoothly through connection piece 18, reduce the influence that connection piece 18 detected the pressure value.

The top end of the inner side of the second interface tube 12 is provided with a drum bag 20, two sides of the top end of the drum bag 20 are provided with air pressure sensors 21, the type of each air pressure sensor 21 is FBC02A, the top of the drum bag 20 is provided with a fixing plate 22, the drum bag 20 is provided with the drum bag 20, a certain pressure is generated on the drum bag 20 by the flow speed of fluid, then air compression between the drum bag 20 and the fixing plate 22 is achieved, and the pressure value can be detected conveniently through the air pressure sensors 21.

Wherein, the bottom mounting of fixed plate 22 has first sealing washer 23, and the top fixedly connected with second sealing washer 24 of fixed plate 22, first sealing washer 23 adopt elastic rubber to make, through setting up first sealing washer 23 and second sealing washer 24, have improved the sealing performance of device, through elastic rubber, are convenient for provide the cushion effect for drum bag 20. Avoiding rupture of the balloon 20 due to excessive fluid flow.

Wherein, the inside one side of connecting seat 9 is provided with handles chip 25, and the inside opposite side of connecting seat 9 is provided with battery 26, and battery 26 passes through the wire and charges mouthful 10 electric connection, through setting up battery 26, is convenient for provide the electric energy for the device, and the device of being convenient for carries.

Wherein, the inside of shell body 1 is provided with bluetooth signal chip 27, and bluetooth signal chip 27 electric connection has external mobile device, and the model of bluetooth signal chip 27 is SKB501, through setting up bluetooth signal chip 27, is convenient for connect bluetooth signal through external mobile device to the detection signal of receiving arrangement conveying has improved the practicality of device.

When the device works, the second interface tube 12 is connected with a pipeline needing to measure the pressure value of fluid, then the fluid passes through the internal connecting sheet 18 of the second interface tube 12 and flows back through the flow distribution plate 17, meanwhile, in the flowing process of the fluid, redundant impurities in the fluid are filtered through the filter screen 16, when the fluid passes through the air bag 20, the air bag 20 contracts due to the pressure of the fluid and compresses air between the air bag 20 and the fixing plate 22, at the moment, the air pressure sensor 21 detects the change of the pressure value of the air and transmits the detected signal to the processing chip 25 for processing, then the processing chip 25 displays the detected pressure value on the liquid crystal display screen 5, when the external mobile device is electrically connected with the device through the Bluetooth signal chip 27, the processing chip 25 can transmit the detected value to the external mobile device, and the remote detection of the pressure value is facilitated. This kind of pressure transmitter, when second interface tube 12 side top is provided with a drum bag 20 measurement pressure value, the fluid flow velocity is to the certain pressure of drum bag 20, then the air compression between the board is decided to drum bag 20, change through baroceptor 21 atmospheric pressure value, be convenient for detect the pressure value, baroceptor 21 fluid direct contact simultaneously, the fluid has reduced the fluid and has harmd baroceptor 21, the device that has solved pressure detection often directly contacts with the fluid, the life's of device problem has been reduced, and simultaneously, set up first sealing washer 23 and the bottom through setting up at fixed plate 22 end and set up the sealing performance that second sealing washer 24 has improved the device, through elastic rubber, be convenient for drum bag 20 cushion effect, avoid fluid and connecting seat 9 electrical apparatus contact simultaneously, avoid the device to produce the condition of short circuit failure, the practicality of device has been improved.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. A pressure transmitter, comprising:

the air-permeable door comprises an outer shell (1), wherein a conduit (2) is arranged at the top end of the outer shell (1), two sealing covers (3) are arranged at two ends of the conduit (2), a front end cover (4) is arranged at one side of the outer shell (1), a groove is formed in one side, away from the outer shell (1), of the front end cover (4), a liquid crystal display (5) is arranged at the bottom of the groove, a rear end cover (6) is arranged at the other side of the outer shell (1), and a plurality of air-permeable nets (7) are arranged at one side, away from the;

the connector comprises a first connector tube (8), wherein the first connector tube (8) is arranged at the bottom end of an outer shell (1), a connecting seat (9) is fixedly connected to the top end of the side surface of the first connector tube (8), the connecting seat (9) is arranged at the bottom of the outer shell (1), a charging port (10) is arranged on one side of the connecting seat (9), and a rotating disc (11) is arranged at the top end of the side surface of the first connector tube (8);

the second interface tube (12) is arranged at the bottom end of the rotating disc (11), and the first interface tube (8) is fixedly connected with the second interface tube (12) through the rotating disc (11).

2. The pressure transmitter of claim 1, wherein a thread groove is formed in the inner side of the rotating disc (11), an internal thread (13) is formed in the inner side of the thread groove, and external threads (14) matched with the internal thread (13) are formed in the bottom end of the side surface of the first interface tube (8) and the top end of the side surface of the second interface tube (12).

3. A pressure transmitter according to claim 1, characterized in that the first mouthpiece (8) and the second mouthpiece (12) are provided with a rust protection layer (15) on the inside, and the second mouthpiece (12) is provided with a filter screen (16) at the bottom end of the opposite side of the rust protection layer (15).

4. The pressure transmitter of claim 1, wherein the first interface tube (8) and the second interface tube (12) are internally provided with a same splitter plate (17), a plurality of connecting pieces (18) are fixed on two sides of the splitter plate (17), the splitter plate (17) is mutually fixed with the first interface tube (8) and the second interface tube (12) through the connecting pieces (18), and a plurality of through holes (19) are uniformly distributed on the top ends of the connecting pieces (18).

5. A pressure transmitter according to claim 1, characterized in that the inside top of the second interface tube (12) is provided with a balloon (20), both sides of the top of the balloon (20) are provided with air pressure sensors (21), the air pressure sensors (21) are of the type FBC02A, and the top of the balloon (20) is provided with a fixing plate (22).

6. The pressure transmitter of claim 5, wherein a first sealing ring (23) is fixed at the bottom end of the fixing plate (22), a second sealing ring (24) is fixedly connected at the top end of the fixing plate (22), and the first sealing ring (23) is made of elastic rubber.

7. The pressure transmitter of claim 1, wherein a processing chip (25) is disposed on one side of the inside of the connecting base (9), and a storage battery (26) is disposed on the other side of the inside of the connecting base (9), wherein the storage battery (26) is electrically connected to the charging port (10) through a conducting wire.

8. The pressure transmitter of claim 1, wherein a bluetooth signal chip (27) is disposed inside the outer casing (1), the bluetooth signal chip (27) is electrically connected to an external mobile device, and the bluetooth signal chip (27) is of the type SKB 501.