Pressure transmitter used in high-temperature environment

Abstract

The utility model relates to the technical field of pressure transmitters used in a high-temperature environment, in particular to a pressure transmitter used in a high-temperature environment. The pressure transmitter comprises a flange plate, the top of the flange plate is connected with a flange handle, a capillary tube is arranged between the flange handle and the flange plate, and cooling fins are arranged on the outer side of the capillary tube. A cable connector is arranged at the bottom of the base, a cable connecting plug is inserted into the cable connector, and the bottom of the cable connecting plug is connected with a cable; the beneficial effects are that according to the pressure transmitter used in the high-temperature environment provided by the utility model, vertical grooves formed in the periphery of an inserting ring at the top of a cable connecting plug are inserted into an inserting groove along a clamping block at the outer ring of the bottom of the cable connecting plug, so that the cable connecting plug drives the inserting ring to rotate, and the clamping block slides in a sliding groove to reach the bottom of a fixing groove; and then the cable connecting plug is pulled, and during measurement, the cable connecting plug automatically falls down according to gravity, so that the clamping block is clamped in the fixing groove.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure transmitters used in high-temperature environments, in particular to a pressure transmitter used in high-temperature environments. Background Art

[0002] Pressure transmitter refers to a pressure sensor with a standard output signal. It is an instrument that receives pressure variables and converts them into standard output signals in proportion. It can convert physical pressure parameters such as gas and liquid sensed by the pressure measuring element sensor into standard electrical signals (such as 4~20mADC, etc.) to provide secondary instruments such as indicator alarms, recorders, regulators, etc. for measurement, indication and process regulation.

[0003] However, when the existing pressure transmitter is measuring high-temperature media, the pressure oil is easily heated and boiled, causing its fluidity to deteriorate, affecting the detection effect, and the base and cable of the conventional pressure transmitter are easily detached, resulting in the inability to transmit pressure information. Utility Model Content

[0004] The purpose of the utility model is to provide a pressure transmitter for use in a high temperature environment to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flange, the top of the flange is connected to a flange handle, a capillary is arranged between the flange handle and the flange, a heat sink is arranged on the outside of the capillary, and a base, a cable connection is arranged at the bottom of the base, a cable connector is inserted in the cable connection, and the bottom of the cable connector is connected to the cable.

[0006] Preferably, the cable is plugged into the middle of the flange handle and connected to the middle isolation diaphragm in the middle of the bottom of the flange handle. The cable can transmit the oil pressure information detected by the middle isolation diaphragm to the instrument panel on the top of the base.

[0007] Preferably, a bottom isolation diaphragm is provided at the bottom of the flange, which contacts the detection medium and transmits the pressure to the pressure oil in the capillary tube so that the pressure oil contacts the middle isolation diaphragm in the middle of the bottom of the flange handle.

[0008] Preferably, the heat sink is arranged around the outer side of the capillary tube, and multiple groups of heat sinks are provided. The heat sink can dissipate the heat of the pressurized oil in the capillary tube to prevent the pressurized oil from overheating.

[0009] Preferably, a plug ring is provided on the top of the cable connector, and vertical grooves are provided around the plug ring. The plug ring can be plugged into a slot provided in the inner outer ring of the cable connector through the vertical grooves, and a plurality of groups of holding blocks arranged on the inner side of the slot block the opposing grooves.

[0010] Preferably, a sliding groove is provided on the side of the vertical groove, and a fixing groove is provided on the inner top of the sliding groove. By rotating the cable plug connector, the holding block can enter the fixing groove along the sliding groove to fix the vertical groove in the slot.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model discloses a pressure transmitter for high temperature environment. The vertical grooves provided around the plug ring at the top of the cable plug connector are plugged into the slots along the holding blocks at the outer ring of the bottom of the cable connector. Then, the cable plug connector is rotated to drive the plug ring to rotate, so that the holding blocks slide in the slide grooves and reach the bottom of the fixed grooves. When measuring, the cable plug connector automatically falls according to gravity, so that the holding blocks are held in the fixed grooves, and the cable connector is connected with the cable plug connector, so that the detection information can be transmitted to the instrument panel at the top of the base. When detecting, the flange is contacted with the measuring medium, so that the bottom isolation diaphragm at the bottom of the flange is contacted with the medium, and the bottom isolation diaphragm transmits the detection pressure to the pressure oil in the capillary between the middle isolation diaphragm and the bottom isolation diaphragm, and the pressure oil starts to flow upwards. At the same time, the plurality of heat sinks sleeved on the outer side of the capillary between the middle isolation diaphragm and the bottom isolation diaphragm start to dissipate heat for the pressure oil in the capillary. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the cable plug connector of the utility model;

[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the cable connector of the utility model.

[0016] In the figure: base 1, instrument panel 2, cable connector 3, cable plug connector 4, cable 5, flange handle 6, middle isolation diaphragm 7, heat sink 8, flange 9, bottom isolation diaphragm 10, plug ring 11, vertical groove 12, slide groove 13, fixed groove 14, slot 15, holding block 16. DETAILED DESCRIPTION

[0017] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figures 1 to 3 The utility model provides a technical solution: a flange 9, the top of the flange 9 is connected to a flange handle 6, a capillary is arranged between the flange handle 6 and the flange 9, and a heat sink 8 is arranged on the outside of the capillary, and a base 1, a cable connection 3 is arranged at the bottom of the base 1, a cable plug connector 4 is inserted in the cable connection 3, and a cable 5 is connected to the bottom of the cable plug connector 4; the cable 5 is inserted in the middle of the flange handle 6 and connected to the intermediate isolation diaphragm 7 in the middle of the bottom of the flange handle 6, and the cable 5 can transmit the pressure oil pressure information detected by the intermediate isolation diaphragm 7 to the instrument panel 2 at the top of the base 1; a bottom isolation diaphragm 10 is arranged at the bottom of the flange 9, and the bottom isolation diaphragm 10 contacts the detection medium and transmits the pressure to the pressure oil in the capillary. , so that the pressure oil contacts the middle isolation diaphragm 7 in the middle of the bottom of the flange handle 6; the heat sink 8 is arranged around the outer side of the capillary, and the heat sink 8 is arranged in multiple groups. The heat sink 8 can dissipate heat for the pressure oil in the capillary to prevent the pressure oil from overheating; the top of the cable plug connector 4 is provided with a plug ring 11, and the plug ring 11 is provided with vertical grooves 12 around it. The plug ring 11 can be plugged into the slot 15 provided in the outer ring of the cable connector 3 through the vertical groove 12, and the multiple groups of holding blocks 16 arranged on the inner side of the slot 15 block the vertical groove 12; the side of the vertical groove 12 is provided with a slide groove 13, and the inner top of the slide groove 13 is provided with a fixed groove 14. By rotating the cable plug connector 4, the holding block 16 can enter the fixed groove 14 along the slide groove 13 to fix the vertical groove 12 in the slot 15.

[0019] In actual use, the vertical grooves 12 opened around the plug ring 11 at the top of the cable plug connector 4 are inserted into the slots 15 along the holding blocks 16 at the outer ring of the bottom of the cable connector 3. Then, by rotating the cable plug connector 4, the plug ring 11 is driven to rotate, so that the holding blocks 16 slide in the slide groove 13 and reach the bottom of the fixed groove 14. When measuring, the cable plug connector 4 automatically falls according to gravity, so that the holding blocks 16 are held in the fixed groove 14, and the cable connector 3 is connected to the cable plug connector 4, so that the detection information can be transmitted to the instrument panel 2 at the top of the base 1; when testing, the flange 9 is connected to the measuring medium The bottom isolation diaphragm 10 at the bottom of the flange 9 contacts the medium. The bottom isolation diaphragm 10 transmits the detection pressure to the pressure oil in the capillary between the middle isolation diaphragm 7 and the bottom isolation diaphragm 10. The pressure oil starts to flow upward. At the same time, the multiple groups of heat sinks 8 sleeved on the outer side of the capillary between the middle isolation diaphragm 7 and the bottom isolation diaphragm 10 start to dissipate the heat of the pressure oil in the capillary. The pressure oil flows upward and contacts the middle isolation diaphragm 7. The middle isolation diaphragm 7 then transmits the detection information of the cable 5 to the instrument panel 2 through electrical signals. The instrument panel 2 analyzes the electrical signals and displays them on the display screen.

[0020] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A pressure transmitter for use in a high temperature environment, characterized in that: include: A flange (9), the top of the flange (9) is connected to a flange handle (6), a capillary is provided between the flange handle (6) and the flange (9), a heat sink (8) is provided on the outer side of the capillary, and the heat sink (8); and A base (1) is provided with a cable connection (3) at the bottom of the base (1), a cable plug connector (4) is plugged into the cable connection (3), and a cable (5) is connected to the bottom of the cable plug connector (4).

2. A pressure transmitter for use in a high temperature environment according to claim 1, characterized in that: The cable (5) is plugged into the middle of the flange handle (6) and connected to the intermediate isolation diaphragm (7) in the middle of the bottom of the flange handle (6). The cable (5) can transmit the oil pressure information detected by the intermediate isolation diaphragm (7) to the instrument panel (2) on the top of the base (1).

3. A pressure transmitter for use in a high temperature environment according to claim 2, characterized in that: A bottom isolation diaphragm (10) is provided at the bottom of the flange (9), the bottom isolation diaphragm (10) contacts the detection medium and transmits the pressure to the pressure oil in the capillary tube, so that the pressure oil contacts the middle isolation diaphragm (7) in the middle of the bottom of the flange handle (6).

4. The pressure transmitter for use in a high temperature environment according to claim 3, characterized in that: The heat sink (8) is arranged around the outer side of the capillary tube, and a plurality of groups of heat sinks (8) are provided. The heat sink (8) can dissipate heat from the pressurized oil in the capillary tube to prevent the pressurized oil from overheating.

5. The pressure transmitter for use in a high temperature environment according to claim 4, characterized in that: The top of the cable plug connector (4) is provided with an insert ring (11), and vertical grooves (12) are provided around the insert ring (11). The insert ring (11) can be inserted into a slot (15) provided on the inner outer ring of the cable connector (3) through the vertical grooves (12), and a plurality of groups of retaining blocks (16) provided on the inner side of the slot (15) block the vertical grooves (12).

6. A pressure transmitter for use in a high temperature environment according to claim 5, characterized in that: A sliding groove (13) is provided on the side of the vertical groove (12), and a fixing groove (14) is provided on the inner top of the sliding groove (13). By rotating the cable plug connector (4), the clamping block (16) can be moved along the sliding groove (13) into the fixing groove (14), thereby fixing the vertical groove (12) in the slot (15).

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