CN220794465U - Waterproof thermocouple temperature sensor - Google Patents

Abstract

The utility model discloses a waterproof thermocouple temperature sensor, which comprises a junction box, wherein the junction box comprises a box body with an opening at the upper side and a box cover connected to the box body in a threaded manner, the opening of the box body is obliquely arranged, a circle of first sealing gasket is arranged at the opening, a temperature transmitter is arranged in the box body, a temperature measuring wire is electrically connected to the temperature transmitter, a sleeve pipe and a stainless steel probe rod are welded at the lower end of the junction box, the stainless steel probe rod is positioned at the center of the sleeve pipe, the lower part of the temperature measuring wire is positioned in the stainless steel probe rod, an internal thread is arranged on the inner wall of the sleeve pipe, a primary compression sleeve is connected through the internal thread, a secondary compression block is movably arranged on the stainless steel probe rod and positioned below the primary compression sleeve, a circle of second sealing gasket is arranged on the bottom surface of the secondary compression block, a mounting plate is arranged on the periphery of the secondary compression block, and a screw hole is formed in the mounting plate. The first sealing gasket, the second sealing gasket and the third sealing gasket are arranged, so that a good sealing waterproof effect can be achieved.

Description

Waterproof thermocouple temperature sensor

Technical Field

The utility model relates to the technical field of temperature sensors, in particular to a waterproof thermocouple temperature sensor.

Background

In the sensor field, the thermocouple has simple structure, convenient use, higher accuracy and stability, and is a temperature sensor widely applied in engineering.

However, the current thermocouple temperature sensor has the following problems: (1) Poor waterproof performance, water easily enters the junction box, and damage to components is caused; when the probe is installed in the pipeline, the joint of the probe and the pipeline is difficult to seal, and water is easy to enter the pipeline with the joint; (2) The temperature sensor is unstable in connection with the pipeline and easy to shake, so that water enters the pipeline.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a waterproof thermocouple temperature sensor which aims to solve the problems in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a waterproof type thermocouple temperature sensor, which comprises a junction box, the terminal box includes upside open-ended box body, threaded connection lid on the box body, the opening slope setting of box body, and the opening part is provided with round first sealed pad, be equipped with temperature transmitter in the box body, electric connection has the temperature measurement silk on the temperature transmitter, the lower extreme welding of terminal box has sleeve pipe and stainless steel probe rod, stainless steel probe rod is located the intraductal center of cover, the lower part of temperature measurement silk is located the stainless steel probe rod, sheathed tube inner wall is equipped with the internal thread, and there is primary compression sleeve through internal thread connection, the activity is provided with secondary compact heap on the stainless steel probe rod, secondary compact heap is located primary compression sleeve's below, secondary compact heap's bottom surface is equipped with round second sealed pad, secondary compact heap's periphery is equipped with the mounting panel, the screw has been seted up on the mounting panel.

Preferably, a wire inlet pipe is arranged on one side of the box body, an inner thread is arranged on the inner wall of the wire inlet pipe, and a circle of third sealing gasket is arranged on the inner wall of the wire inlet pipe.

Above-mentioned technical scheme, inlet wire pipe pass through the internal thread and are connected with outside wiring pipe, and are used for installing the wire in the inlet wire pipe, and the one end and the temperature transmitter electric connection of wire, the other end is connected with the control unit, and set up round third sealed the pad in the inlet wire pipe, can play sealed effect, prevent that moisture content from getting into in the terminal box.

Preferably, a chain is connected to one side of the wire inlet pipe, and the top of the box cover is connected with the chain.

According to the technical scheme, the box cover is connected to one side of the wire inlet pipe through the chain, so that the box cover can be prevented from being lost.

Preferably, the secondary compaction block is cylindrical, the bottom surface of the secondary compaction block is a plane, and the mounting plate is connected to the periphery of the bottom surface of the secondary compaction block.

According to the technical scheme, the bottom surface of the secondary compaction block is a plane, and the linear pipeline can be compacted, so that the secondary compaction block can be installed on the linear pipeline.

Preferably, the secondary compaction block is square, the bottom surface of the secondary compaction block is an arc surface, and the mounting plates are connected to two sides of the bottom surface of the secondary compaction block.

According to the technical scheme, the bottom surface of the secondary compaction block is the cambered surface, so that the bent pipeline can be compacted, and the secondary compaction block can be installed on the bent pipeline.

Compared with the prior art, the utility model has the following beneficial effects:

(1) Through setting up first sealed pad, can prevent that water from getting into the terminal box by the lid in, through setting up the sealed pad of second, can prevent that water from getting into the pipeline that awaits measuring in, can prevent water from getting into the terminal box by the inlet wire pipe through the sealed pad of third, have fine sealed waterproof effect.

(2) In the utility model, the stainless steel probe rod is inserted into the pipeline, the secondary compression block is slid downwards to tightly press the secondary compression block on the pipeline, then the primary compression sleeve is screwed to tightly press the primary compression sleeve on the secondary compression block, thus realizing the initial positioning of the secondary compression block, and then the mounting plate on the secondary compression block is connected on the pipeline through the screw, thus completing the installation of the utility model.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a front view of FIG. 1 with the lid removed;

FIG. 3 is an installation schematic of the first embodiment;

FIG. 4 is a schematic installation diagram of a second embodiment;

in the figure: 1-junction box, 101-box body, 102-box cover, 103-wire inlet pipe, 104-third sealing gasket, 105-chain, 2-first sealing gasket, 3-temperature transmitter, 4-sleeve, 5-stainless steel probe rod, 6-primary compression sleeve, 7-secondary compression block, 8-second sealing gasket, 9-mounting plate and 10-pipeline.

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.

Example 1

Referring to fig. 1-3, a waterproof thermocouple temperature sensor comprises a junction box 1, wherein the junction box 1 comprises a box body 101 with an opening at the upper side and a box cover 102 in threaded connection with the box body 101, the opening of the box body 101 is obliquely arranged, a circle of first sealing gaskets 2 are arranged at the opening, a wire inlet pipe 103 is arranged at one side of the box body 101, an internal thread is arranged on the inner wall of the wire inlet pipe 103, a circle of third sealing gaskets 104 are arranged on the inner wall of the wire inlet pipe 103, a chain 105 is connected to one side of the wire inlet pipe 103, and the top of the box cover 102 is connected with the chain 105. The box body 101 is internally provided with a temperature transmitter 3, the temperature transmitter 3 is electrically connected with a temperature measuring wire, the lower end of the junction box 1 is welded with a sleeve 4 and a stainless steel probe rod 5, the stainless steel probe rod 5 is positioned at the center of the sleeve 4, the lower part of the temperature measuring wire is positioned in the stainless steel probe rod 5, the inner wall of the sleeve 4 is provided with internal threads, the primary pressing sleeve 6 is connected with the inner threads, the stainless steel probe rod 5 is movably provided with a secondary pressing block 7, the secondary pressing block 7 is positioned below the primary pressing sleeve 6, the bottom surface of the secondary pressing block 7 is provided with a circle of second sealing gasket 8, the secondary pressing block 7 is cylindrical, the bottom surface of the secondary pressing block is a plane, and the mounting plate 9 is connected to the periphery of the bottom surface of the secondary pressing block 7.

Example 2

As shown in fig. 4, a waterproof thermocouple temperature sensor, including terminal box 1, terminal box 1 includes upside open-ended box body 101, threaded connection's lid 102 on box body 101, and the opening slope of box body 101 sets up, and the opening part is provided with round first sealed pad 2, one side of box body 101 is equipped with inlet tube 103, and inlet tube 103's inner wall is equipped with the internal thread, and inlet tube 103's inner wall is equipped with round third sealed pad 104, one side of inlet tube 103 is connected with chain 105, and the top of lid 102 is connected with chain 105. Be equipped with temperature transmitter 3 in the box body 101, electric connection has temperature measurement silk on the temperature transmitter 3, and the lower extreme welding of terminal box 1 has sleeve pipe 4 and stainless steel probe rod 5, and stainless steel probe rod 5 is located the center in sleeve pipe 4, and temperature measurement silk's lower part is located stainless steel probe rod 5, and sleeve pipe 4's inner wall is equipped with the internal thread, and has elementary compression sleeve 6 through internal thread connection, and the activity is provided with secondary compact heap 7 on the stainless steel probe rod 5, and secondary compact heap 7 is located the below of elementary compression sleeve 6, the bottom surface of secondary compact heap 7 is equipped with round second sealing pad 8, secondary compact heap 7 is square, and its bottom surface is the cambered surface, and mounting panel 9 is connected in the both sides of secondary compact heap 7 bottom surface.

According to the utility model, the first sealing gasket 2 is arranged, so that water can be prevented from entering the junction box from the box cover 102, the second sealing gasket 8 is arranged, so that water can be prevented from entering the pipeline 10 to be tested, and the third sealing gasket 104 can prevent water from entering the junction box from the wire inlet pipe 103, so that the junction box has a good sealing and waterproof effect. When the utility model is installed on a pipeline 10, the stainless steel probe rod 5 is inserted into the pipeline 10, then the secondary compression block 7 is slid downwards, so that the secondary compression block 7 is tightly pressed on the pipeline 10, then the primary compression sleeve 6 is screwed, the primary compression sleeve 6 is tightly pressed on the secondary compression block 7, thus realizing the initial positioning of the secondary compression block 7, then the installation plate 9 on the secondary compression block is connected on the pipeline 10 through the screw, thus completing the installation of the utility model, and after the installation is completed, the connection between the utility model and the pipeline 10 is more compact through the dual functions of the primary compression sleeve 6 and the secondary compression block 7, thus leading the second sealing gasket 8 to have better waterproof effect.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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. The utility model provides a waterproof type thermocouple temperature sensor, a serial communication port, including terminal box (1), terminal box (1) are including upside open-ended box body (101), lid (102) of threaded connection on box body (101), and the opening slope setting of box body (101), and the opening part is provided with round first sealed pad (2), be equipped with temperature transmitter (3) in box body (101), electric connection has the temperature measurement silk on temperature transmitter (3), the lower extreme welding of terminal box (1) has sleeve pipe (4) and stainless steel probe rod (5), stainless steel probe rod (5) are located the center in sleeve pipe (4), the lower part of temperature measurement silk is located stainless steel probe rod (5), the inner wall of sleeve pipe (4) is equipped with the internal thread, and has elementary compression sleeve (6) through internal thread connection, the activity is provided with secondary compact heap (7) on stainless steel probe rod (5), secondary compact heap (7) are located the below of elementary compression sleeve (6), the bottom surface of secondary compact heap (7) is equipped with round second sealed pad (8), install mounting panel (9) have been seted up on the mounting panel.

2. The waterproof thermocouple temperature sensor according to claim 1, wherein: one side of the box body (101) is provided with a wire inlet pipe (103), the inner wall of the wire inlet pipe (103) is provided with internal threads, and the inner wall of the wire inlet pipe (103) is provided with a circle of third sealing gaskets (104).

3. The waterproof thermocouple temperature sensor according to claim 2, wherein: one side of the wire inlet pipe (103) is connected with a chain (105), and the top of the box cover (102) is connected with the chain (105).

4. The waterproof thermocouple temperature sensor according to claim 1, wherein: the secondary compaction block (7) is cylindrical, the bottom surface of the secondary compaction block is a plane, and the mounting plate (9) is connected to the periphery of the bottom surface of the secondary compaction block (7).

5. The waterproof thermocouple temperature sensor according to claim 1, wherein: the secondary compaction block (7) is square, the bottom surface of the secondary compaction block is an arc surface, and the mounting plates (9) are connected to the two sides of the bottom surface of the secondary compaction block (7).