CN220120285U - Explosion-proof pressure transmitter - Google Patents

Abstract

The utility model discloses an explosion-proof pressure transmitter, which comprises a transmitter, a main board and a chip, wherein the periphery of the transmitter is penetrated and provided with a screw rod, the tail end of the screw rod is sleeved and provided with a screw cap, the bottom of the transmitter is provided with a connecting pipe, the connecting pipe and the transmitter are fixedly arranged, before the use, firstly, an air pressure pipe is inserted into the connecting pipe at the bottom, then the air pressure pipe and the connecting pipe are fixedly sealed by using a fixing ring, then the internal air pressure is transmitted to a monocrystalline silicon sensor, the air pressure value is transmitted to the chip through the sensor, the air pressure value is displayed on a display screen, a cushioning shell is sleeved outside the main board so as to prevent the direct transmission of the excessive air pressure to the main board and the chip, and two sides of the cushioning shell are provided with transmission rods capable of transmitting the pressure outwards, so that the transmitter can be effectively relieved in an outward transmission mode when continuously receiving the excessive air pressure, and the possibility of internal explosion pressure is reduced.

Description

Explosion-proof pressure transmitter

Technical Field

The utility model relates to the technical field of transmitters, in particular to an explosion-proof pressure transmitter.

Background

The pressure transmitter in general sense mainly comprises three parts of a load cell sensor, a measuring circuit and a process connecting piece, and can convert physical pressure parameters such as gas, liquid and the like sensed by the load cell sensor into standard electric signals so as to supply secondary instruments such as an indication alarm instrument, a recorder, a regulator and the like for measurement, indication and process adjustment.

The utility model patent with the patent application number of CN2020232183917. X discloses an explosion-proof pressure transmitter, which comprises a pipeline, the intermediate position at fixed plate top is provided with first recess, one end of first screw rod runs through one side of fixed plate and first recess and extends, one end of third screw rod runs through the opposite side of fixed plate and first recess and extends, bottom fixedly connected with pivot in the first recess, both sides at connecting block top all are provided with the second recess, the bottom of second screw rod all runs through the inside of through-hole and threaded connection is in the inside of second recess, the intermediate position fixedly connected with pressure transmitter main part at fixed block top. According to the utility model, the purpose of adjusting the angle of the pressure transmitter is realized through the rotating shaft, the connecting block, the first screw and the third screw, the use effect is good, and the pressure transmitter is taken down and maintained through rotating the second screw screwed out of the two ends of the top of the fixed block, so that the pressure transmitter is very convenient and worth popularizing greatly.

The transmitters of the above patents operate with respect to transmitters, for example: the aim of adjusting the angle of the pressure transmitter is fulfilled through the rotating shaft, the connecting block, the first screw and the third screw, but the transmitter cannot conduct the internal pressure effectively when the transmitter faces to excessive air pressure or water pressure, so that when overload pressure is detected, an internal main board and a chip are easy to damage, and the transmitter cannot detect normally; therefore, the explosion-proof pressure transmitter is provided, the buffer shell is sleeved outside the main board, so that the buffer shell is used for preventing excessive high air pressure from being directly conducted to the main board and the chip, the conducting rods capable of conducting the pressure outwards are arranged on two sides of the buffer shell, the transmitter can be effectively relieved in an outwards conducting mode when continuously receiving the excessive high air pressure, the possibility of internal explosion pressure is reduced, a battery groove is formed in the rear end of the transmitter and used for placing a battery, the transmitter can be continuously operated by using a standby power supply when the power is cut off due to certain factors, and the working accuracy of the transmitter is effectively improved.

Disclosure of Invention

The utility model aims to provide an explosion-proof pressure transmitter, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an explosion-proof pressure transmitter, includes changer, mainboard and chip, the changer runs through the installation screw rod all around, and the screw rod end cup joints and set up the nut, the changer bottom is equipped with the connecting pipe, and connecting pipe and changer fixed mounting, changer fixed mounting mainboard, and inside fixed mounting chip of mainboard, changer both sides fixed mounting fixed block, and be the mirror image setting between the fixed block, the changer upper end is equipped with the antenna, and antenna and changer fixed mounting, the mainboard outside cup joints and sets up the cushioning shell, and cushioning shell both sides fixed mounting conducting rod.

Preferably, the front section of the transmitter is provided with a groove, and a display screen is fixedly arranged in the groove.

Preferably, the monocrystalline silicon sensor is fixedly arranged at the lower end of the main board, and the length of the monocrystalline silicon sensor is 5CM.

Preferably, the back of the transmitter is fixedly provided with a battery groove, and the battery groove is square.

Preferably, the connecting pipe is fixedly arranged at the bottom of the transmitter, and the fixing ring is sleeved outside the connecting pipe.

Compared with the prior art, the utility model has the beneficial effects that: before using, firstly insert the connecting pipe department to the bottom with the pneumatic tube, afterwards use the retainer plate to carry out fixed seal to its pneumatic tube and connecting pipe, afterwards inside atmospheric pressure is through the transmission to monocrystalline silicon sensor on, in conveying to the chip through the sensor, show the atmospheric pressure value on the display screen, and use the bradyseism shell to cup joint outside the mainboard and make it be used for preventing that too high atmospheric pressure from directly conducting to mainboard and chip, and set up the outside conducting rod of transmissible pressure in bradyseism shell both sides, make its changer when receiving too high atmospheric pressure in succession, can effectually alleviate it through outside conduction's mode, reduce the possibility of inside burst pressure, and set up the battery jar at the changer rear end and be used for placing the battery, make its changer when because certain factor outage, can use stand-by power supply to continue to work, the effectual operating accuracy who improves the changer.

Drawings

FIG. 1 is a schematic front view of an explosion-proof pressure transmitter in a three-dimensional configuration of the present utility model;

FIG. 2 is a schematic cross-sectional front view of an explosion-proof pressure transmitter of the present utility model;

FIG. 3 is a schematic view of the back of a three-dimensional structure of an explosion-proof pressure transmitter of the present utility model.

In the figure: 1. a transmitter; 2. a screw; 3. a screw cap; 4. a fixed block; 5. a main board; 6. a chip; 7. damping shell; 8. a conductive rod; 9. a monocrystalline silicon sensor; 10. a connecting pipe; 11. a fixing ring; 12. a display screen; 13. a battery case; 14. an antenna.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution:

the utility model provides an explosion-proof pressure transmitter, includes transmitter 1, mainboard 5 and chip 6, the transmitter 1 runs through installation screw rod 2 all around, and screw rod 2 end cup joints and set up nut 3, transmitter 1 bottom is equipped with connecting pipe 10, and connecting pipe 10 and transmitter 1 fixed mounting, transmitter 1 fixed mounting mainboard 5, and the inside fixed mounting chip 6 of mainboard 5, transmitter 1 both sides fixed mounting fixed block 4, and be the mirror image setting between the fixed block 4, transmitter 1 upper end is equipped with antenna 14, and antenna 14 and transmitter 1 fixed mounting, the outside cup joints of mainboard 5 sets up cushioning shell 7, and cushioning shell 7 both sides fixed mounting conducting rod 8; through this design, the outside conduction pole 8 of conduction pressure has been set up to the bradyseism shell 7 both sides, makes its changer 1 when receiving too high atmospheric pressure in succession, can alleviate it through outside conduction's mode effectually.

In the embodiment, a groove is formed in the front section of the transmitter 1, and a display screen 12 is fixedly arranged in the groove; by this design, the use of the display screen 12 allows the operator to see more clearly and easily than a conventional hydraulic pointer.

In this embodiment, the monocrystalline silicon sensor 9 is fixedly installed at the lower end of the main board 5, and the length of the monocrystalline silicon sensor 9 is 5CM; through the design, the high-purity monocrystalline silicon material can effectively improve the service life and long-term stability of the product.

In this embodiment, the back of the transmitter 1 is fixedly provided with a battery slot 13, and the battery slot 13 is square; through this design, through the design battery jar 13 make its changer 1 when because certain factor outage, can use stand-by power supply to continue to operate, the effectual operating accuracy who improves changer 1.

In this embodiment, a connecting pipe 10 is fixedly installed at the bottom of the transmitter 1, and a fixing ring 11 is sleeved outside the connecting pipe 10; through the design, the pneumatic tube and the connecting tube 10 can be effectively connected and fixed to achieve the sealing effect.

The utility model is that

Before the use, firstly, insert the connecting pipe 10 department to the bottom with the pneumatic tube, afterwards use retainer plate 11 to carry out fixed seal to its pneumatic tube and connecting pipe 10, afterwards inside atmospheric pressure is through transmitting to monocrystalline silicon sensor 9 on, in conveying to chip 6 through the sensor, show the atmospheric pressure value on display screen 12, and use the bradyseism shell 7 to cup joint and make it be used for preventing too high atmospheric pressure direct conduction to mainboard 5 and chip 6 outside, and set up the outside conducting rod 8 of transmissible pressure in bradyseism shell 7 both sides, make its changer 1 in continuous reception too high atmospheric pressure, can effectually alleviate it through outside conduction's mode, reduce the possibility of inside explosion pressure, and set up battery jar 13 at changer 1 rear end and be used for placing the battery, make its changer 1 because when certain factor is cut off, can use standby power supply to continue to operate, the effectual operating accuracy who improves changer 1.

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

Claims (5)

1. An explosion-proof pressure transmitter, characterized in that: including changer (1), mainboard (5) and chip (6), install screw rod (2) through all around changer (1), and screw rod (2) end cup joints and set up nut (3), changer (1) bottom is equipped with connecting pipe (10), and connecting pipe (10) and changer (1) fixed mounting, changer (1) fixed mounting mainboard (5), and inside fixed mounting chip (6) of mainboard (5), changer (1) both sides fixed mounting fixed block (4), and be the mirror image setting between fixed block (4), changer (1) upper end is equipped with antenna (14), and antenna (14) and changer (1) fixed mounting, mainboard (5) outside cup joints and sets up bradyseism shell (7), and bradyseism shell (7) both sides fixed mounting conducting rod (8).

2. The explosion proof pressure transmitter of claim 1, wherein: the front section of the transmitter (1) is provided with a groove, and a display screen (12) is fixedly arranged in the groove.

3. The explosion proof pressure transmitter of claim 1, wherein: the monocrystalline silicon sensor (9) is fixedly arranged at the lower end of the main board (5), and the length of the monocrystalline silicon sensor (9) is 5CM.

4. The explosion proof pressure transmitter of claim 1, wherein: the back of the transmitter (1) is fixedly provided with a battery groove (13), and the battery groove (13) is square.

5. The explosion proof pressure transmitter of claim 1, wherein: the bottom of the transmitter (1) is fixedly provided with a connecting pipe (10), and the outside of the connecting pipe (10) is sleeved with a fixing ring (11).