CN210741734U

CN210741734U - High-temperature pressure transmitter

Info

Publication number: CN210741734U
Application number: CN201922233819.3U
Authority: CN
Inventors: 孙连峰
Original assignee: Tianjin Zhongdian Celestial Science And Technology Co Ltd
Current assignee: Tianjin Zhongdian Celestial Science And Technology Co Ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-06-12
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a high-temperature pressure transmitter, which comprises a body and a fixed box, wherein a signal processing circuit is fixedly connected in the middle of the interior of the body, a detection element is arranged at the lower end of the signal processing circuit, heat conducting sheets are arranged on the outer surfaces of the signal processing circuit and the detection element, fixing handgrips are symmetrically and fixedly connected on the left and right sides of the upper surface of the heat conducting sheet, air permeable plates are symmetrically arranged at the left and right ends of the heat conducting sheet, one ends of the air permeable plates far away from the heat conducting sheets are fixedly connected with a servo motor, one end of the servo motor far away from the air permeable plates is movably connected with a motor shaft, one end of the motor shaft far away from the servo motor is fixedly connected with a fan, a plurality of fish gill sheets are fixedly connected on the left and right sides of the body, and exhaust ports are fixedly, since the heat sink and the heat conductive sheet dissipate heat at the same time, it is not necessary to increase the required temperature by frequently replacing the heat sink.

Description

High-temperature pressure transmitter

Technical Field

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

Background

The high-temperature type pressure transmitter is assembled by adopting a high-temperature-resistant sputtering film pressure chip, and the sensor can stably work for a long time under the high-temperature condition. The temperature of the measured medium can be further improved by assembling radiating fins with different lengths, and the transmitter can fully and stably work in the environment of 150 ℃ at most for a long time through reasonable and scientific configuration and advanced circuit design and temperature compensation treatment. Has reverse polarity and current limiting protection; laser resistance-adjusting temperature compensation, and zero point and measuring range can be adjusted on site; the range is wide, corrosion resistance is realized, and the coating is suitable for various media; the high-temperature pressure transmitter has strong overload and anti-interference capability and stable performance, and high-precision and high-stability pressure sensor components are selected, and the absolute pressure or gauge pressure of a measured medium is converted into standard electric signals of 4-20 mA, 0-5 VDC, 0-10 VDC, 1-5 VDC and the like through a high-reliability amplifying circuit and precision temperature compensation. High quality sensors, full hermetic solder packaging techniques and sophisticated assembly processes ensure excellent quality and optimum performance of the product.

The internal circuit elements of the transmitter in the prior art work in a high-temperature environment for a long time, heat dissipation and cooling can not be carried out quickly and efficiently, and the service life of the transmitter can be shortened due to overlong service time. Accordingly, one skilled in the art provides a high temperature pressure transmitter to solve the problems set forth in the background above.

Disclosure of Invention

An object of the utility model is to provide a high temperature pressure transmitter to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-temperature pressure transmitter comprises a body and a fixed box, wherein a signal processing circuit is fixedly connected in the middle of the interior of the body, a detection element is arranged at the lower end of the signal processing circuit, heat conducting fins are arranged on the outer surfaces of the signal processing circuit and the detection element, fixing handles are fixedly connected on the upper surface of the heat conducting fins in a bilateral symmetry manner, air permeable plates are symmetrically arranged at the left end and the right end of each heat conducting fin, a servo motor is fixedly connected at one end of each air permeable plate far away from the servo motor, a motor shaft is movably connected at one end of each servo motor far away from the air permeable plate, a fan is fixedly connected at one end of each motor shaft far away from the servo motor, a plurality of fish gill plates are fixedly connected on the left side and the right side of the body, an exhaust port is fixedly connected between, one end of the conduit far away from the heat conducting sheet is fixedly connected with an exhaust fan.

As a further scheme of the utility model, air exhauster right side fixedly connected with filter screen, filter screen right side fixedly connected with inlet port are of value to the external impurity of prevention and cure and get into internal damage electric element.

As the utility model discloses scheme further again, fixed case lower extreme fixedly connected with connecting block, connecting block lower extreme fixedly connected with conductor are of value to the electrical components and the protection internal element in the fixed this device.

As the utility model discloses scheme further again, conductor lower extreme fixedly connected with fixed block, fixed surface is connected with the heat dissipation strip on the conductor, is of value to the quick heat dissipation of this device, keeps working at normal atmospheric temperature state.

As the utility model discloses scheme further again, fixed block lower extreme fixedly connected with bottom interface, bottom interface lower extreme fixedly connected with detect the piece, are of value to this device is fixed and the installation.

As the utility model discloses scheme further again, body top left side fixedly connected with circuit interface, body top right side fixed connection regulating block, regulating block right side fixedly connected with adjusting nut are of value to the circuit of regulation and fixed connection.

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

1. the utility model discloses a fin and conducting strip dispel the heat simultaneously, can reach the required temperature of measured medium in the shortest time, because fin and conducting strip dispel the heat simultaneously, so need not improve required temperature through often changing the fin.

2. The utility model discloses can let the gaseous and inboard gaseous quick replacement in the outside, because of the long-time temperature that is in the electric original paper in the high temperature environment, guarantee that the electric original paper is in and works under the normal atmospheric temperature state, both improved the work efficiency of electric original paper and also improved the life of electric original paper.

Drawings

Fig. 1 is a schematic structural diagram of a high-temperature pressure transmitter.

Fig. 2 is a schematic structural diagram of a servo motor in a high-temperature pressure transmitter.

FIG. 3 is a top view of a high temperature pressure transmitter.

In the figure: the device comprises a body 1, a signal processing circuit 2, a detection element 3, a heat conducting sheet 4, a fixing scaffold 5, a guide pipe 6, a suction fan 7, a filter screen 8, a gill plate 9, an exhaust port 10, a ventilation plate 11, a servo motor 12, a motor shaft 13, a fan 14, a fixing box 15, a connecting block 16, a conductor 17, a connecting body 18, a heat dissipation strip 19, a fixing block 20, a bottom interface 21, a detection block 22, a circuit interface 23, a regulating block 24 and a regulating nut 25.

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 to 3, in the embodiment of the present invention, a high temperature pressure transmitter includes a body 1 and a fixing box 15, a signal processing circuit 2 is fixedly connected to the middle inside the body 1, a detecting element 3 is disposed at the lower end of the signal processing circuit 2, a heat conducting sheet 4 is disposed on the outer surfaces of the signal processing circuit 2 and the detecting element 3, fixing feet 5 are fixedly connected to the upper surface of the heat conducting sheet 4 in a bilateral symmetry manner, air permeable plates 11 are symmetrically disposed at the left and right ends of the heat conducting sheet 4, one end of each air permeable plate 11 far away from the heat conducting sheet 4 is fixedly connected to a servo motor 12, one end of the servo motor 12 far away from the air permeable plate 11 is movably connected to a motor shaft 13, one end of the motor shaft 13 far away from the servo motor 12 is fixedly connected to a fan 14, a plurality of gill sheets 9 are fixedly connected to the left and right sides of the body 1, fixedly connected with connector 18 in the middle of 15 inside fixed boxs, 4 lower extreme right sides fixedly connected with pipes 6 of conducting strip, 6 one end fixedly connected with air exhauster 7 of conducting strip 4 far away from pipe, 7 right sides fixedly connected with filter screens 8 of air exhauster, 8 right sides fixedly connected with inlet ports of filter screens, 15 lower extreme fixedly connected with connecting blocks 16 of fixed boxs, 16 lower extreme fixedly connected with conductors 17 of connecting blocks, 17 lower extreme fixedly connected with fixed block 20 of conductor, fixed surface is connected with heat dissipation strip 19 on the

conductor

17, 20 lower extreme fixedly connected with bottom interfaces 21 of fixed block, 21 lower extreme fixedly connected with detection block 22 of bottom interfaces, 1 top left side fixedly connected with circuit interface 23 of body, 1 top right side fixedly connected with regulating block 24 of body, 24 right sides fixedly connected with adjusting nut 25 of regulating block.

The utility model discloses a theory of operation is: the utility model discloses a 7 filter screens 8 on air exhauster cooperation right sides in the fixed box 15 are taken out the air in the outside into body 1, the heat that gives off of signal processing circuit 2 and detecting element 3 in the body 1 is absorbed through conducting strip 5 that pipe 6 is connected, 11 cooperation servo motor 12 of ventilative board at both ends drive fan 14 about the cooperation, make the heat in the conducting strip 5 in the body 1 to the quick discharge in both ends, form the structure of an air fast circulation under the combined action of servo motor 12 through the air exhauster 7 of bottom and left and right sides both ends, reach the quick cooling internal component, the life of extension internal component.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A high-temperature pressure transmitter comprises a body (1) and a fixed box (15), and is characterized in that a signal processing circuit (2) is fixedly connected to the middle inside the body (1), a detection element (3) is arranged at the lower end of the signal processing circuit (2), heat conducting sheets (4) are arranged on the outer surfaces of the signal processing circuit (2) and the detection element (3), fixing handpieces (5) are fixedly connected to the upper surface of each heat conducting sheet (4) in a bilateral symmetry manner, ventilating plates (11) are symmetrically arranged at the left end and the right end of each heat conducting sheet (4), one ends, far away from the heat conducting sheets (4), of the ventilating plates (11) are fixedly connected with a servo motor (12), one end, far away from the ventilating plates (11), of the servo motor (12) is movably connected with a motor shaft (13), one ends, far away from the servo motor (12), of the motor shaft (13) are fixedly connected with a fan (14), and, fixedly connected with gas vent (10) between gill piece (9), body (1) bottom fixedly connected with solid fixed box (15), solid fixed box (15) inside middle fixedly connected with connector (18), heat conduction piece (4) lower extreme right side fixedly connected with pipe (6), one end fixedly connected with air exhauster (7) of pipe (6) far heat conduction piece (4).

2. A high temperature pressure transmitter as claimed in claim 1, wherein a filter screen (8) is fixedly connected to the right side of the exhaust fan (7), and an air inlet is fixedly connected to the right side of the filter screen (8).

3. A high-temperature pressure transmitter as claimed in claim 1, characterized in that the lower end of the fixing box (15) is fixedly connected with a connecting block (16), and the lower end of the connecting block (16) is fixedly connected with a conductor (17).

4. A high-temperature pressure transmitter as claimed in claim 3, characterized in that the lower end of the conductor (17) is fixedly connected with a fixing block (20), and the upper surface of the conductor (17) is fixedly connected with a heat dissipation strip (19).

5. The high-temperature pressure transmitter as claimed in claim 4, wherein the lower end of the fixing block (20) is fixedly connected with a bottom interface (21), and the lower end of the bottom interface (21) is fixedly connected with a detection block (22).

6. The high-temperature pressure transmitter as claimed in claim 1, wherein the circuit interface (23) is fixedly connected to the left side of the top of the body (1), the adjusting block (24) is fixedly connected to the right side of the top of the body (1), and the adjusting nut (25) is fixedly connected to the right side of the adjusting block (24).