Explosion-proof heating pipe for reliability strengthening test equipment

Abstract

The utility model relates to the technical field of heating pipes, in particular to an explosion-proof heating pipe for reliability strengthening test equipment, which comprises a bunched heating pipe, two temperature sensors, a flange plate, an explosion-proof junction box and two explosion-proof junction pipes, and the two temperature sensors arranged on the inner surface of the bunched heating pipe are used for detecting and controlling the temperature of the bunched heating pipe. The cluster heating pipe is prevented from exceeding the explosion-proof temperature, the cluster heating pipe can be fixed through the flange plate, sparks can be prevented from being generated at the wiring position through the explosion-proof junction box and the two explosion-proof junction pipes, combustible gas is prevented from permeating into the explosion-proof junction box, and the explosion-proof junction box is protected. Therefore, the problem that after an existing heating pipe is used for a long time, an outer pipe can be scaled, heating is uneven, and the heating pipe is prone to explosion is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of heating tubes, in particular to an explosion-proof heating tube for a reliability strengthening test device. Background Technique

[0002] Strengthening tests are currently being gradually promoted in the military and civilian fields. The process mainly involves applying extreme stress to products to discover design defects of the products. Aero-engines take reliability and safety as design guarantees, and require that aero-engine components and accessories such as pressure sensors have high reliability. Conducting strengthening tests plays an important role in improving the reliability of aero-engine components and accessories.

[0003] As a common heat exchange device, heating tubes are widely used in military and civilian equipment. With market demands and safe use of products, the explosion-proof requirement of heaters has become one of the key requirements when people choose products.

[0004] After long-term use, scale will form on the outer tube of the current heating tubes, resulting in uneven heating, affecting the use, and thus causing the heating tubes to easily explode. Content of the Utility Model

[0005] The purpose of the utility model is to provide an explosion-proof heating tube for a reliability strengthening test device, aiming to solve the problem that scale will form on the outer tube of the current heating tubes after long-term use, resulting in uneven heating and easily causing the heating tubes to explode.

[0006] To achieve the above purpose, the utility model provides an explosion-proof heating tube for a reliability strengthening test device, which includes a bundled heating tube, two temperature sensors, a flange, an explosion-proof junction box, and two explosion-proof connection tubes. The bundled heating tube is installed on the flange. Both of the two temperature sensors are installed on one side of the bundled heating tube. The explosion-proof junction box is connected to the bundled heating tube. The two explosion-proof connection tubes are respectively fixedly connected to the explosion-proof junction box and are both communicated with the explosion-proof junction box.

[0007] Among them, the bundled heating tube is divided into a heating section and a normal temperature section. The heating section of the bundled heating tube is connected to the flange, and the normal temperature section of the bundled heating tube is connected to the explosion-proof junction box.

[0008] Among them, the explosion-proof junction box includes a box body, a closing plate, and a plurality of fixing parts. The box body is connected to the normal temperature section of the bundled heating tube. The closing plate is installed on the box body through the plurality of fixing parts.

[0009] Among them, the fixing parts include bolts and nuts. The bolts respectively penetrate through the box body and the closing plate. The nuts are threadedly connected to the bolts and are located on the bolts.

[0010] Among them, the explosion-proof junction box further includes a mounting plate which has a plurality of mounting holes. The mounting plate is fixedly connected to the closing plate and is located on the side of the closing plate away from the box body.

[0011] An explosion-proof heating tube for a reliability enhancement test device of the present utility model includes a cluster heating tube, two temperature sensors, a flange, an explosion-proof junction box, and two explosion-proof connection tubes. The cluster heating tube is installed on the flange. Both of the two temperature sensors are installed on one side of the cluster heating tube. The explosion-proof junction box is connected to the cluster heating tube. The two explosion-proof connection tubes are respectively fixedly connected to the explosion-proof junction box and are both communicated with the explosion-proof junction box. The temperature of the cluster heating tube is detected and controlled by the two temperature sensors arranged on the inner surface of the cluster heating tube to prevent the cluster heating tube from exceeding the explosion-proof temperature. The cluster heating tube can be fixed by the flange. The explosion-proof junction box and the two explosion-proof connection tubes can prevent sparks from being generated at the wiring points and avoid the penetration of combustible gas into the explosion-proof junction box, thereby solving the problem that the outer tube of the existing heating tube will scale after long-term use, resulting in uneven heating and easy explosion of the heating tube. Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art.

[0013] Figure 1 It is a schematic structural diagram of an explosion-proof heating tube for a reliability enhancement test device of the present utility model.

[0014] Figure 2 It is a schematic structural diagram of an explosion-proof heating tube for a reliability enhancement test device of the present utility model in another direction.

[0015] Figure 3 It is a cross-sectional view of an explosion-proof heating tube for a reliability enhancement test device of the present utility model.

[0016] In the figure: 1-cluster heating tube, 2-temperature sensor, 3-flange, 4-explosion-proof junction box, 5-explosion-proof connection tube, 6-heating section, 7-ambient temperature section, 8-box body, 9-closing plate, 10-fixing part, 11-bolt, 12-nut, 13-mounting plate, 14-mounting hole. Detailed Embodiments

[0017] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation of the present utility model.

[0018] Please refer to Figures 1-3 , the present utility model provides an explosion-proof heating tube for a reliability enhancement test device, including a cluster heating tube 1, two temperature sensors 2, a flange 3, an explosion-proof junction box 4, and two explosion-proof connecting tubes 5. The cluster heating tube 1 is installed on the flange 3. Both of the two temperature sensors 2 are installed on one side of the cluster heating tube 1. The explosion-proof junction box 4 is connected to the cluster heating tube 1. The two explosion-proof connecting tubes 5 are respectively fixedly connected to the explosion-proof junction box 4 and are both communicated with the explosion-proof junction box 4.

[0019] In this embodiment, the temperature of the cluster heating tube 1 is detected and controlled by the two temperature sensors 2 provided on the inner surface of the cluster heating tube 1 to prevent the cluster heating tube 1 from exceeding the explosion-proof temperature. The cluster heating tube 1 can be fixed by the flange 3. The explosion-proof junction box 4 and the two explosion-proof connecting tubes 5 can prevent sparks from being generated at the wiring point and avoid flammable gas from penetrating into the explosion-proof junction box 4, thus solving the problem that the outer tube of the current heating tube will scale after long-term use, resulting in uneven heating and prone to explosion of the heating tube.

[0020] Further, the cluster heating tube 1 is divided into a heating section 6 and a normal temperature section 7. The heating section 6 of the cluster heating tube 1 is connected to the flange 3, and the normal temperature section 7 of the cluster heating tube 1 is connected to the explosion-proof junction box 4.

[0021] In this embodiment, heating can be carried out through the heating section 6 of the cluster heating tube 1, and the high temperature of the heating tube can be prevented from being transmitted to the explosion-proof junction box 4 through the normal temperature section 7 of the cluster heating tube 1.

[0022] Further, the explosion-proof junction box 4 includes a box body 8, a closing plate 9, and a plurality of fixing members 10. The box body 8 is connected to the normal temperature section 7 of the cluster heating tube 1, and the closing plate 9 is installed on the box body 8 through the plurality of fixing members 10.

[0023] In this embodiment, the box body 8 provides an installation condition for the closing plate 9 and the plurality of fixing members 10. The wire connecting the cluster heating tube 1 can be prevented through the box body 8. The opening and closing of the box body 8 can be realized through the closing plate 9, and the closing plate 9 can be fixed on the box body 8 through the plurality of fixing members 10.

[0024] Furthermore, the fixing member 10 includes a bolt 11 and a nut 12 , the bolt 11 passes through the box body 8 and the closing plate 9 respectively, and the nut 12 is threadedly connected to the bolt 11 and is located on the bolt 11 .

[0025] In this embodiment, the closing plate 9 can be installed and removed by the cooperation of the bolt 11 and the nut 12 .

[0026] Furthermore, the explosion-proof junction box 4 further includes a mounting plate 13 , wherein the mounting plate 13 has a plurality of mounting holes 14 , and the mounting plate 13 is fixedly connected to the closing plate 9 and is located on a side of the closing plate 9 away from the box body 8 .

[0027] In this embodiment, the explosion-proof junction box 4 can be fixed at a preset position through the multiple mounting holes 14 on the mounting plate 13 .

[0028] The utility model provides an explosion-proof heating tube for reliability enhancement test equipment, which has the following beneficial effects:

[0029] 1. The explosion-proof heating tube for reliability enhancement test equipment provided by the utility model adopts a clustered structure, which reduces the space occupied by the heating tube;

[0030] 2. The explosion-proof heating tube for reliability enhancement test equipment provided by the utility model is provided with two temperature sensors to detect and control the temperature of the heating tube to avoid exceeding the explosion-proof temperature;

[0031] 3. The utility model provides a heating section and a normal temperature section design of an explosion-proof heating tube for reliability enhancement test equipment, which prevents the high temperature of the heating tube from being transferred to the junction box;

[0032] Fourth, the explosion-proof heating tube for reliability enhancement test equipment provided by the utility model is connected in an explosion-proof junction box to prevent the influence of sparks that may be generated at the wiring.

[0033] 5. In order to prevent the infiltration of flammable gas into the junction box, an explosion-proof connector is used at the outlet position of the explosion-proof heating tube for reliability enhancement test equipment provided by the utility model.

[0034] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. An explosion-proof heating tube for reliability enhancement test equipment, characterized in that it includes a bundled heating tube, two temperature sensors, a flange, an explosion-proof junction box and two explosion-proof connecting tubes. The bundled heating tube is installed on the flange. The two temperature sensors are both installed on one side of the bundled heating tube. The explosion-proof junction box is connected to the bundled heating tube. The two explosion-proof connecting tubes are respectively fixedly connected to the explosion-proof junction box and are both communicated with the explosion-proof junction box.

2. The explosion-proof heating tube for reliability enhancement test equipment according to claim 1, characterized in that the bundled heating tube is divided into a heating section and a normal temperature section. The heating section of the bundled heating tube is connected to the flange, and the normal temperature section of the bundled heating tube is connected to the explosion-proof junction box.

3. The explosion-proof heating tube for reliability enhancement test equipment according to claim 2, characterized in that the explosion-proof junction box includes a box body, a closing plate and a plurality of fixing parts. The box body is connected to the normal temperature section of the bundled heating tube. The closing plate is installed on the box body through the plurality of fixing parts.

4. The explosion-proof heating tube for reliability enhancement test equipment according to claim 3, characterized in that the fixing part includes a bolt and a nut. The bolt respectively penetrates through the box body and the closing plate. The nut is threadedly connected to the bolt and is located on the bolt.

5. The explosion-proof heating tube for reliability enhancement test equipment according to claim 4, characterized in that the explosion-proof junction box further includes a mounting plate which has a plurality of mounting holes. The mounting plate is fixedly connected to the closing plate and is located on the side of the closing plate away from the box body.

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