CN210638841U

CN210638841U - Novel high-precision monocrystalline silicon pressure transmitter

Info

Publication number: CN210638841U
Application number: CN201921997309.7U
Authority: CN
Inventors: 费斐
Original assignee: Anhui Bairuite Automation Instrument Technology Co Ltd
Current assignee: Anhui Bairuite Automation Instrument Technology Co Ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-05-29
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a novel high-precision monocrystalline silicon pressure transmitter, which comprises a connecting column, wherein two connecting blocks are respectively arranged at two sides of the connecting column, the connecting column and the connecting blocks are fixed by a fixed shaft, one side of one of the connecting blocks is provided with four welding columns, the upper end faces of the welding columns are provided with limiting grooves, a fixing plate is arranged on one side of the welding column, a connecting hole is arranged on the inner side of the connecting block, a clamping apparatus is arranged on one side of the connecting hole, two ends of the fixture are respectively provided with an extending block, the lower end of the extending block is provided with two springs, the upper end of the fixture is provided with a pull button, the upper end of the connecting column is provided with a supporting shaft, the upper end of the supporting shaft is provided with a rotating shaft, the protective shell is installed at the upper end of the rotating shaft, end covers are installed at two ends of the protective shell, and a resistance wire is installed on the inner side of one end cover. The utility model discloses easy to assemble and dismantlement can guarantee the detection of high accuracy, can carry out the defogging.

Description

Novel high-precision monocrystalline silicon pressure transmitter

Technical Field

The utility model relates to a monocrystalline silicon pressure transmitter technical field specifically is a novel high accuracy monocrystalline silicon pressure transmitter.

Background

With the rapid development of socio-economy, monocrystalline silicon pressure is used for measuring liquid level, density and pressure of liquid, gas or steam, and then is converted into HART current signal output, and can also be communicated with BST9900, HART375 or BSTModem, parameter setting and process control are performed through the monocrystalline silicon pressure, the number of pressure transmitter enterprises is increasing, the market is facing to asymmetry of supply and demand, the pressure transmitter industry has strong requirements for further shuffling, but a large development space still exists in the sub-market of some pressure transmitters, and the informatization technology becomes core competitiveness.

However, the existing monocrystalline silicon pressure transmitter is inconvenient to install and disassemble with high precision, cannot ensure high-precision detection, and cannot perform demisting; therefore, the existing requirements are not met, and a novel high-precision monocrystalline silicon pressure transmitter is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel high accuracy monocrystalline silicon pressure transmitter to the not inconvenient installation of monocrystalline silicon pressure transmitter high accuracy and the dismantlement that proposes in solving above-mentioned background art can not guarantee the detection of high accuracy, can not carry out the defogging scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: a novel high-precision monocrystalline silicon pressure transmitter comprises a connecting column, two connecting blocks are respectively arranged on two sides of the connecting column, the connecting column and the connecting blocks are fixed through a fixed shaft, one side of one of the connecting blocks is provided with four welding columns, the upper end faces of the welding columns are provided with limiting grooves, a fixing plate is arranged on one side of the welding column, a connecting hole is arranged on the inner side of the connecting block, a clamping apparatus is arranged on one side of the connecting hole, two ends of the fixture are respectively provided with an extending block, the lower end of the extending block is provided with two springs, the upper end of the fixture is provided with a pull button, the upper end of the connecting column is provided with a supporting shaft, the upper end of the supporting shaft is provided with a rotating shaft, the protective shell is installed at the upper end of the rotating shaft, end covers are installed at two ends of the protective shell, and a resistance wire is installed on the inner side of one end cover.

Preferably, an electrical box is installed at the lower end of one end of the protective shell, and the electrical box and the protective shell are fixed through screws.

Preferably, the protective housing comprises an electromagnetic-proof layer and an iron and steel layer, the electromagnetic-proof layer is mounted on the inner side of the iron and steel layer, and the electromagnetic-proof layer and the iron and steel layer are formed through stamping.

Preferably, the lower end of the extending block is completely attached to the upper end of the spring, and the extending block and the spring are fixed through welding.

Preferably, the inner side of the fixture is provided with a limiting hole, and the inner diameter of the limiting hole is completely the same as the diameter of the welding column.

Preferably, the inner side of the end cover is completely attached to the outer surface of the resistance wire, and the end cover and the resistance wire are fixed through screws.

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

1. the utility model discloses a cooperation of installation protective housing and electrical apparatus box, electrical apparatus box pass through the wire and connect, utilize electrical apparatus box to supply power, because the protective housing passes through and prevents the electromagnetic layer and form with the iron and steel layer, utilize and prevent the electromagnetic layer and prevent the interference of electromagnetism, make the device can guarantee the detection of high accuracy;

2. the utility model discloses an installation is stretched out the cooperation of piece and spring, and pulling fixture makes it rise, puts into the inboard of connecting hole with the welding post, puts off fixture, returns to contract under the effect of spring, makes its spacing groove carry on spacing fixedly with fixture for the device is easy to assemble and dismantles, through the cooperation of installation end cover and resistance wire, utilizes the resistance wire to heat the end cover, makes the device can carry out the defogging.

Drawings

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

fig. 2 is a side view of the utility model in its entirety;

FIG. 3 is a schematic view of a partial structure of the clamp of the present invention;

fig. 4 is a schematic view of a local structure of the protective shell of the present invention.

In the figure: 1. connecting blocks; 2. a fixed shaft; 3. connecting holes; 4. a fixture; 5. pulling the button; 6. a spring; 7. a support shaft; 8. a rotating shaft; 9. a protective shell; 10. an electrical box; 11. an end cap; 12. a resistance wire; 13. a steel layer; 14. an electromagnetic shielding layer; 15. connecting columns; 16. a protruding block; 17. a fixing plate; 18. welding the column; 19. a limiting groove.

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.

The resistance wire 12 (model is DL-2) mentioned in the utility model can be obtained from market purchase or private customization.

Referring to fig. 1 to 4, the present invention provides an embodiment: a novel high-precision monocrystalline silicon pressure transmitter comprises a connecting post 15, two connecting blocks 1 are respectively arranged on two sides of the connecting post 15, the connecting post 15 and the connecting blocks 1 are fixed through a fixing shaft 2, four welding posts 18 are arranged on one side of one connecting block 1, a limiting groove 19 is formed in the upper end face of each welding post 18, a fixing plate 17 is arranged on one side of each welding post 18, a connecting hole 3 is formed in the inner side of each connecting block 1, a clamp 4 is arranged on one side of each connecting hole 3, extending blocks 16 are respectively arranged at two ends of each clamp 4, two springs 6 are arranged at the lower ends of the extending blocks 16, a connecting flange is clamped through the springs 6 by matching the extending blocks 16 with the springs 6, the device is convenient to mount and dismount, a pull button 5 is arranged at the upper end of each clamp 4, a supporting shaft 7 is arranged at the upper end of the connecting post 15, a, end covers 11 are installed at two ends of the protective shell 9, a resistance wire 12 is installed on the inner side of one end cover 11, and the end cover 11 is heated by the resistance wire 12 through the matching of the installation end cover 11 and the resistance wire 12, so that the device can be used for demisting.

Further, an electrical box 10 is installed at the lower end of one end of the protective shell 9, the electrical box 10 is fixed to the protective shell 9 through screws, and the device is fixed and stable through the cooperation of the protective shell 9 and the electrical box 10.

Further, the protective case 9 includes an electromagnetic-proof layer 14 and an iron layer 13, the electromagnetic-proof layer 14 is mounted on the inner side of the iron layer 13, the electromagnetic-proof layer 14 and the iron layer 13 are formed by punching, and the device prevents electromagnetic interference by using the electromagnetic-proof layer 14 by mounting the electromagnetic-proof layer 14 in cooperation with the iron layer 13, so that the device can ensure high-precision detection.

Further, the lower end of the extending block 16 is completely attached to the upper end of the spring 6, the extending block 16 is fixed to the spring 6 through welding, the device is matched with the spring 6 through the extending block 16, the spring 6 is utilized to clamp the connecting flange, and therefore the device is convenient to mount and dismount.

Furthermore, the inner side of the fixture 4 is provided with a limiting hole, the inner diameter of the limiting hole is identical to the diameter of the welding column 18, and the device is firmly connected through the matching of the fixture 4 and the welding column 18.

Further, the inside of end cover 11 and the surface of resistance wire 12 laminate completely, and end cover 11 passes through the fix with screw with resistance wire 12, and the device utilizes resistance wire 12 to heat end cover 11 through the cooperation of installation end cover 11 with resistance wire 12 for the device can carry out the defogging.

The working principle is as follows: when the device is used, the service condition of each mechanism is checked, the device is moved to a working area, the pull button 5 is pulled to lift upwards, the welding column 18 extends into the inner side of the connecting hole 3, the pull button 5 is released, the welding column 18 is compressed under the action of the spring 6 in a retracting mode, the limiting groove 19 and the fixture 4 are limited and fixed, the device is convenient to mount, mount and dismount through the fixture 4, the electric appliance box 10 is connected, the end cover 11 mounted at one end of the protective shell 9 is used for detection, the protective shell 9 consists of the electromagnetic-proof layer 14 and the steel layer 13, the electromagnetic-proof layer 14 is used for preventing electromagnetic interference through the matching of the electromagnetic-proof layer 14 and the steel layer 13, the device can guarantee high-precision detection, water mist can be generated due to the temperature difference between the inside and the outside, the resistance wire 12 is used for heating the end cover 11, and the device can be used for demi.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel high accuracy monocrystalline silicon pressure transmitter, includes spliced pole (15), its characterized in that: two connecting blocks (1) are installed on two sides of the connecting column (15), the connecting column (15) is fixed with the connecting blocks (1) through a fixing shaft (2), one of the connecting blocks (1) is provided with four welding columns (18), the upper end face of each welding column (18) is provided with a limiting groove (19), one side of each welding column (18) is provided with a fixing plate (17), the inner side of each connecting block (1) is provided with a connecting hole (3), one side of each connecting hole (3) is provided with a fixture (4), two ends of each fixture (4) are provided with extending blocks (16), the lower end of each extending block (16) is provided with two springs (6), the upper end of each fixture (4) is provided with a pull button (5), the upper end of the connecting column (15) is provided with a supporting shaft (7), and the upper end of each supporting shaft (7) is provided with a rotating shaft (, protective housings (9) are installed at the upper ends of the rotating shafts (8), end covers (11) are installed at the two ends of each protective housing (9), and a resistance wire (12) is installed on the inner side of one end cover (11).

2. The novel high-precision monocrystalline silicon pressure transmitter of claim 1, characterized in that: an electrical box (10) is installed at the lower end of one end of the protective shell (9), and the electrical box (10) is fixed with the protective shell (9) through screws.

3. The novel high-precision monocrystalline silicon pressure transmitter of claim 1, characterized in that: the protective shell (9) comprises an electromagnetic-resistant layer (14) and an iron and steel layer (13), the electromagnetic-resistant layer (14) is installed on the inner side of the iron and steel layer (13), and the electromagnetic-resistant layer (14) and the iron and steel layer (13) are formed through stamping.

4. The novel high-precision monocrystalline silicon pressure transmitter of claim 1, characterized in that: the lower end of the extending block (16) is completely attached to the upper end of the spring (6), and the extending block (16) and the spring (6) are fixed through welding.

5. The novel high-precision monocrystalline silicon pressure transmitter of claim 1, characterized in that: the inner side of the fixture (4) is provided with a limiting hole, and the inner diameter of the limiting hole is completely the same as the diameter of the welding column (18).

6. The novel high-precision monocrystalline silicon pressure transmitter of claim 1, characterized in that: the inner side of the end cover (11) is completely attached to the outer surface of the resistance wire (12), and the end cover (11) and the resistance wire (12) are fixed through screws.