CN211927160U

CN211927160U - Pressure transmitter with anti-blocking function

Info

Publication number: CN211927160U
Application number: CN202021034030.1U
Authority: CN
Inventors: 李海涛; 王天翔
Original assignee: Tianjin Lingyu Technology Co ltd
Current assignee: Tianjin Lingyu Technology Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2020-11-13
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses a pressure transmitter with prevent blockking up function, including the pressure transmitter main part, be equipped with the gauge outfit in the pressure transmitter main part, gauge outfit upper end one side is equipped with electrical connection hole, be equipped with the display screen on the gauge outfit, the gauge outfit below is connected with pressure joint, the last fastening nut that is equipped with of pressure joint, and be connected through the fixing base between pressure joint and the gauge outfit, the inside sensor that is equipped with of pressure joint, the sensor passes through mounting panel and pressure joint fixed connection, pressure joint port department is equipped with prevents stifled mechanism, prevent stifled mechanism and pressure joint fixed connection. The utility model discloses a set up anti-blocking mechanism, can utilize anti-blocking mechanism to filter the water that enters into in the pressure transmitter, filter out the impurity of aquatic, avoid aquatic impurity to enter into pressure joint in a large number, cause the present of jam, can clear up anti-blocking mechanism through setting up clearance mechanism, avoid preventing that blocking mechanism is blockked up, the continuous use of being convenient for.

Description

Pressure transmitter with anti-blocking function

Technical Field

The utility model relates to a pressure transmitter correlation technique field specifically is a pressure transmitter with prevent blockking up function.

Background

The pressure transmitter is an instrument which receives pressure variable, converts the pressure variable into a standard output signal according to a certain proportion after sensing conversion. The output signal of the transmitter is transmitted to a central control room for pressure indication, recording or control, and the pressure transmitter in general mainly comprises a load cell sensor (also called as a pressure sensor), a measuring circuit and a process connecting piece. The pressure sensor can convert physical pressure parameters of gas, liquid and the like sensed by the pressure element sensor into standard electric signals (such as 4-20 mADC and the like) so as to supply secondary instruments such as an indication alarm instrument, a recorder, a regulator and the like for measurement, indication and process regulation.

However, in the use process of the existing pressure transmitter, the inside of the pressure connector is easily blocked due to the fact that sludge or impurities carried in a medium to be detected enter the pressure connector, so that the use is influenced, and some pressure transmitters with the anti-blocking function easily cause the blocking of the anti-blocking mechanism in the long-time use process, so that the anti-blocking effect is poor, the use is influenced, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure transmitter with prevent blockking up function to solve the current pressure transmitter who mentions in the above-mentioned background art in the use, inside mud or impurity carried enter into pressure joint because of the medium that awaits measuring easily, cause the inside jam of pressure joint, thereby the influence is used, and some pressure transmitters who have the function of preventing blockking up, in long-time use, lead to easily preventing stifled mechanism and block up, thereby lead to preventing stifled not good effect, the problem of influence use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pressure transmitter with prevent blockking up function, includes the pressure transmitter main part, be equipped with the gauge outfit in the pressure transmitter main part, gauge outfit upper end one side is equipped with electrical connection hole, be equipped with the display screen on the gauge outfit, the gauge outfit below is connected with pressure joint, the last fastening nut that is equipped with of pressure joint, and be connected through the fixing base between pressure joint and the gauge outfit, the inside sensor that is equipped with of pressure joint, the sensor passes through mounting panel and pressure joint fixed connection, pressure joint port department is equipped with prevents stifled mechanism, prevent stifled mechanism and pressure joint fixed connection, prevent being equipped with clearance mechanism in the stifled mechanism, clearance end and the surface contact of preventing stifled mechanism of clearance mechanism.

Preferably, the anti-blocking mechanism comprises a filter screen, the filter screen is arranged in a circular shape, and the diameter of the filter screen is the same as the inner diameter of the pressure joint.

Preferably, the cleaning mechanism comprises a rotating shaft rod, fan blades and a cleaning rod, the rotating shaft rod penetrates through the middle of the filter screen and is rotatably connected with the filter screen, the fan blades are fixedly installed on two sides of the upper end of the rotating shaft rod, the cleaning rod is fixedly installed on two sides of the bottom end of the rotating shaft rod, a cleaning brush is arranged on the cleaning rod, and the cleaning brush is in surface contact with the filter screen.

Preferably, be equipped with miniature air pump on the fixing base, the output of miniature air pump is connected with the gas-supply pipe, the gas-supply pipe extends to pressure joint inside and with the inside cavity intercommunication that is equipped with of mounting panel, mounting panel lower surface both sides all are equipped with the extension trachea, extend trachea one end and the inside cavity intercommunication of mounting panel, extend the trachea other end and install the check valve, and extend tracheal gas outlet towards the flabellum.

Preferably, the bottom end of the sensor is connected with a connecting rod, one end of the connecting rod is provided with a sensor head, and the sensor head is positioned right above the filter screen.

Preferably, the fixing seat is made of polytetrafluoroethylene, and the fixing seat is fixedly connected with the inner wall of the pressure joint through a rubber sealing ring.

The utility model provides a pressure transmitter with prevent blockking up function possesses following beneficial effect:

(1) the utility model discloses a set up anti-blocking mechanism, can utilize anti-blocking mechanism to filter the water that enters into in the pressure transmitter, filter out the impurity of aquatic, avoid aquatic impurity to enter into pressure joint in a large number, cause the jam, influence the use, guarantee that the filter effect is good, convenient to use.

(2) The utility model discloses a set up clearance mechanism, can be after the use, utilize miniature air pump work to produce during gaseous cavity of sending into in the fixing base, then blow gas to the flabellum through extending the trachea, blow the flabellum and rotate, thereby make and rotate the axostylus axostyle, utilize the axostylus axostyle to rotate and drive clean pole and rotate, thereby utilize the cleaning brush to clear up the filter screen surface, the air current blows the impurity that will clear up down simultaneously and blows away, avoids the filter screen to be blockked up, convenient to use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the internal structure of the pressure joint of the present invention;

fig. 3 is a schematic structural diagram of a portion a in fig. 2 according to the present invention.

In the figure: 1. a pressure transmitter body; 2. a gauge head; 3. an electrical connection hole; 4. a display screen; 5. a pressure joint; 6. fastening a nut; 7. a fixed seat; 8. a micro air pump; 9. a gas delivery pipe; 10. a sensor; 11. mounting a plate; 12. a rubber seal ring; 13. extending the trachea; 14. a connecting rod; 15. a sensor head; 16. a one-way valve; 17. a filter screen; 18. rotating the shaft lever; 19. a fan blade; 20. a cleaning rod; 21. the brush is cleaned.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a pressure transmitter with prevent blockking up function, includes pressure transmitter main part 1, be equipped with gauge outfit 2 in the pressure transmitter

main part

1, 2 upper end one side of gauge outfit are equipped with electrical connection hole 3, be equipped with display screen 4 on the

gauge outfit

2, 2 belows in the gauge outfit are connected with pressure joint 5, be equipped with fastening nut 6 on the pressure joint 5, and be connected through fixing base 7 between pressure joint 5 and the

gauge outfit

2, 5 inside sensor 10 that are equipped with of pressure joint, sensor 10 passes through

mounting panel

11 and 5 fixed connection of pressure joint, 5 port departments of pressure joint are equipped with anti-blocking mechanism, anti-blocking mechanism and 5 fixed connection of pressure joint, be equipped with clearance mechanism in the anti-blocking mechanism, clearance end and the surface contact of anti-blocking mechanism of clearance mechanism.

Prevent stifled mechanism and include filter screen 17, filter screen 17 is circular setting, and the diameter of filter screen 17 is the same with pressure joint 5's internal diameter size, can utilize filter screen 17 to filter the gas or the liquid that enter into pressure joint 5, gets rid of the impurity in gas or the liquid, avoids having impurity in gas or the liquid and enters into pressure joint 5 inside to lead to the phenomenon of 5 internal blockage of pressure joint.

Clearance mechanism includes rotation axostylus axostyle 18, flabellum 19 and clean pole 20, rotation axostylus axostyle 18 runs through filter screen 17 middle part and rotates with filter screen 17 to be connected, flabellum 19 fixed mounting is in 18 upper end both sides of rotation axostylus axostyle, clean pole 20 fixed mounting is in 18 bottom both sides of rotation axostylus axostyle, be equipped with clean brush 21 on the clean pole 20, clean brush 21 and filter screen 17 surface contact can utilize flabellum 19 to rotate and drive rotation axostylus axostyle 18 and rotate, make and rotate the rotatory clean pole 20 of driving of axostylus axostyle 18 and rotate to make clean pole 20 drive clean brush 21 and rotate.

Be equipped with miniature air pump 8 on the fixing base 7, the output of miniature air pump 8 is connected with gas-supply pipe 9, gas-supply pipe 9 extend to 5 inside and with the inside cavity intercommunication that is equipped with of mounting panel 11 of pressure joint, 11 lower surface both sides of mounting panel all are equipped with extend trachea 13, extend trachea 13 one end and the inside cavity intercommunication of mounting panel 11, extend the trachea 13 other end and install check valve 16, and extend trachea 13 gas outlet towards flabellum 19, can utilize 8 work of miniature air pump to produce gas and send into inside 11 mounting panel through gas-supply pipe 9, utilize and extend trachea 13 with 11 inside gas of mounting panel.

The bottom end of the sensor 10 is connected with a connecting rod 14, one end of the connecting rod 14 is provided with a sensor head 15, the sensor head 15 is positioned right above the filter screen 17, so that liquid or gas can be contacted with the sensor head 15 after being filtered by the filter screen 17, and the sensor 10 can conveniently sense.

Fixing base 7 adopts the polytetrafluoroethylene material, and fixing base 7 passes through

rubber seal

12 and 5 inner wall fixed connection of pressure connection, can increase 7 holistic corrosion resistance of fixing base, increase of service life can increase 7 integral erection's of fixing base leakproofness through setting up rubber seal 12, and is sealed effectual, convenient to use.

It should be noted that, a pressure transmitter with anti-blocking function, during operation, can insert the pressure transmitter main body 1 into the liquid to be measured through the pressure joint 5, the liquid enters the pressure joint 5 through the anti-blocking mechanism and contacts with the sensor 10, the sensor 10 converts the pressure signal into the electrical signal, the electrical signal is amplified through the difference amplifier and the output amplifier, finally the electrical signal is converted into the 4-20mA standard current output signal which is linearly corresponding to the liquid level pressure of the liquid to be measured through the V/a voltage current, and the output signal is displayed on the display screen, because of the anti-blocking mechanism, the liquid entering the pressure joint 5 can be filtered by the filter screen 17, the impurities in the water are filtered, the situation that the impurities in the water enter the pressure joint 5 in a large amount to cause blocking and influence the use is avoided, after the use, the micro air pump 8 can be used to generate air, and send into inside mounting panel 11 through gas-supply pipe 9, utilize to extend trachea 13 with the inside gaseous output of mounting panel 11 and blow to flabellum 19, blow flabellum 19 and rotate, thereby make and rotate axostylus axostyle 18 and rotate, utilize the axostylus axostyle to rotate and drive the rotation of cleaning rod, thereby utilize the cleaning brush to clear up filter screen 17 surface, the air current blows the impurity that will clear up off simultaneously and blows away, avoid filter screen 17 to be blockked up, and convenient to use, can guarantee that anti-blocking mechanism continuous work is efficient, prevent stifled effectual, and convenient to use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pressure transmitter with prevent blockking up function, its characterized in that, includes pressure transmitter main part (1), be equipped with gauge outfit (2) on pressure transmitter main part (1), gauge outfit (2) upper end one side is equipped with electrical connection hole (3), be equipped with display screen (4) on gauge outfit (2), gauge outfit (2) below is connected with pressure joint (5), be equipped with fastening nut (6) on pressure joint (5), and be connected through fixing base (7) between pressure joint (5) and gauge outfit (2), the inside sensor (10) that is equipped with of pressure joint (5), sensor (10) are through mounting panel (11) and pressure joint (5) fixed connection, pressure joint (5) port department is equipped with prevents stifled mechanism, prevent stifled mechanism and pressure joint (5) fixed connection, prevent being equipped with clearance mechanism on the stifled mechanism, the cleaning end of the cleaning mechanism is in surface contact with the anti-blocking mechanism.

2. The pressure transmitter with anti-clogging function according to claim 1, characterized in that: anti-blocking mechanism includes filter screen (17), filter screen (17) are circular setting, and the diameter of filter screen (17) is the same with the internal diameter size of pressure joint (5).

3. The pressure transmitter with anti-clogging function according to claim 1, characterized in that: cleaning mechanism includes rotation axostylus axostyle (18), flabellum (19) and clean pole (20), rotation axostylus axostyle (18) run through filter screen (17) middle part and rotate with filter screen (17) and be connected, flabellum (19) fixed mounting is in rotation axostylus axostyle (18) upper end both sides, clean pole (20) fixed mounting is in rotation axostylus axostyle (18) bottom both sides, be equipped with cleaning brush (21) on clean pole (20), cleaning brush (21) and filter screen (17) surface contact.

4. The pressure transmitter with anti-clogging function according to claim 1, characterized in that: be equipped with miniature air pump (8) on fixing base (7), the output of miniature air pump (8) is connected with gas-supply pipe (9), gas-supply pipe (9) extend to pressure joint (5) inside and with the inside cavity intercommunication that is equipped with of mounting panel (11), mounting panel (11) lower surface both sides all are equipped with and extend trachea (13), extend trachea (13) one end and the inside cavity intercommunication of mounting panel (11), extend trachea (13) other end and install check valve (16), and extend the gas outlet of trachea (13) towards flabellum (19).

5. The pressure transmitter with anti-clogging function according to claim 1, characterized in that: the sensor is characterized in that the bottom end of the sensor (10) is connected with a connecting rod (14), a sensor head (15) is installed at one end of the connecting rod (14), and the sensor head (15) is located right above the filter screen (17).

6. The pressure transmitter with anti-clogging function according to claim 1, characterized in that: the fixing seat (7) is made of polytetrafluoroethylene, and the fixing seat (7) is fixedly connected with the inner wall of the pressure joint (5) through a rubber sealing ring (12).