Precision test integrated device for vacuum heat treatment furnace system

Abstract

The utility model provides a vacuum heat treatment furnace system precision test integrated device, which comprises a temperature measurement sensor, a high temperature alarm sensor and a detection pipeline, the temperature measurement sensor and the high temperature alarm sensor are inserted into the detection pipeline, the detection pipeline is provided with a mounting part in butt joint with a furnace wall, and the device also comprises an alundum tube; the alundum tubes are of cylindrical hollow structures and are arranged in the detection pipeline, the alundum tubes are longer than the temperature measurement sensors and are arranged side by side, and the distance between the alundum tubes is smaller than 1mm; the calibration temperature sensor is detachably arranged in the corundum tube; the difference value between the length from the tail end to the mounting part and the length from the tail end of the temperature measuring sensor to the mounting part is less than 1mm; the calibration temperature sensor and the temperature measurement sensor are arranged side by side, and the distance between the calibration temperature sensor and the temperature measurement sensor is According to the scheme, the calibration sensor is directly inserted into the alundum tube in the detection pipeline for detection, so that disassembly of the temperature test sensor is avoided, and the problem of leakage of the vacuum heat treatment furnace caused by repeated disassembly of the temperature test sensor in a traditional scheme is solved.

Description

Technical Field

[0001] The present application relates to the technical field of equipment testing, and in particular to an integrated precision testing device. Background Art

[0002] The temperature control components of traditional vacuum heat treatment furnaces generally consist of an independent temperature control thermocouple and a channel dedicated to system accuracy testing. During use, the temperature control thermocouple's accuracy will gradually deteriorate with use, so each time the temperature control thermocouple is tested, the temperature control thermocouple needs to be removed for testing, and then inserted into the channel after the test is completed, and then the channel is blocked with a special plug. Therefore, each temperature accuracy test requires the removal of the temperature control thermocouple, and after multiple tests, the channel is prone to sealing problems, which can lead to leakage in the vacuum heat treatment furnace. Utility Model Content

[0003] One object of the present application is to provide an integrated device for precision testing of a vacuum heat treatment furnace system, so as to solve at least one of the above-mentioned technical problems.

[0004] The present application provides an integrated device for precision testing of a vacuum heat treatment furnace system, a temperature measurement sensor, a high temperature alarm sensor and a detection pipeline, wherein the temperature measurement sensor and the high temperature alarm sensor are inserted into the detection pipeline, the detection pipeline is provided with a mounting portion that docks with a furnace wall, and also includes a corundum tube;

[0005] The corundum tube is a hollow cylindrical structure and is placed in the detection pipeline. The length of the corundum tube in the detection pipeline is greater than the length of the temperature measurement sensor, and the corundum tube is arranged side by side with the temperature measurement sensor, with a spacing of less than 1 mm.

[0006] A calibration temperature sensor is also provided, and the calibration temperature sensor is detachably placed in the corundum tube;

[0007] The difference between the length from the end of the calibration temperature sensor to the mounting portion and the length from the end of the temperature measurement sensor to the mounting portion is less than 1 mm;

[0008] The calibration temperature sensor and the temperature measurement sensor are arranged side by side with a spacing of less than 1.5 mm.

[0009] Preferably, the detection pipeline further comprises:

[0010] A thermal insulation plug is provided to seal the detection pipe opening, and the outer contour of the thermal insulation plug is adapted to the contour of the cross section of the detection pipe so as to isolate the connection between the internal space of the detection pipe and the external space.

[0011] Preferably, the corundum tube has a limit block, and the limit block is placed on the inner wall of the corundum tube.

[0012] Preferably, the cross-sectional area of ​​the portion of the corundum tube corresponding to the end of the temperature measurement sensor side by side is smaller than the cross-sectional area of ​​the portion of the corundum tube where the calibration temperature sensor is placed.

[0013] Preferably, the thickness of the corundum tube is 0.7 mm to 1.2 mm.

[0014] Preferably, the detection pipe is sealed at one end of the installation portion in the furnace.

[0015] Preferably, the detection pipe is provided with a bracket, the temperature measurement sensor and the corundum tube are placed on the bracket, and the difference between the distance between the temperature measurement sensor and the detection pipe wall and the distance between the corundum tube and the detection pipe wall is less than 1 mm.

[0016] Preferably, one end of the detection pipe extending into the furnace is sealed.

[0017] Preferably, the detection pipe protrudes from the outer wall of the vacuum heat treatment furnace.

[0018] Preferably, the detection pipeline is arranged vertically.

[0019] Compared with the prior art, the present application provides an integrated device for precision testing of a vacuum heat treatment furnace system, a temperature measurement sensor, a high temperature alarm sensor and a detection pipeline, wherein the temperature measurement sensor and the high temperature alarm sensor are inserted into the detection pipeline, the detection pipeline is provided with a mounting portion docked with the furnace wall, and also includes a corundum tube; the corundum tube is a hollow cylindrical structure and is placed in the detection pipeline, the length of the corundum tube in the detection pipeline is greater than the length of the temperature measurement sensor, and the corundum tube is arranged side by side with the temperature measurement sensor, with a spacing of less than 1mm; a calibration temperature sensor is also provided, the calibration temperature sensor is detachably placed in the corundum tube, and the length in the corundum tube is greater than the length of the calibration temperature sensor; the difference between the length from the end of the calibration temperature sensor to the mounting portion and the length from the end of the temperature measurement sensor to the mounting portion is less than 1mm; the calibration temperature sensor is arranged side by side with the temperature measurement sensor, and the spacing is less than 1.5mm. This solution directly inserts the calibration sensor into the corundum tube in the detection pipeline for detection, avoids the disassembly of the temperature test sensor, and solves the problem of leakage of the vacuum heat treatment furnace caused by multiple disassembly of the temperature test sensor in the traditional solution. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0021] Figure 1A schematic diagram of one embodiment of the integrated device for precision testing of a vacuum heat treatment furnace system described in the present application;

[0022] The same or similar reference numerals in the drawings represent the same or similar components. DETAILED DESCRIPTION

[0023] The present application provides a vacuum heat treatment furnace system precision test integrated device, as shown below Figure 1 The embodiments of the present application are further described.

[0024] The present application provides an integrated device for precision testing of a vacuum heat treatment furnace system, including a temperature measurement sensor 3, a high temperature alarm sensor 2 and a detection pipeline, wherein the temperature measurement sensor 3 and the high temperature alarm sensor 2 are inserted into the detection pipeline, and the detection pipeline is provided with a mounting portion docked with the furnace wall, characterized in that it also includes a corundum tube; the corundum tube is a hollow cylindrical structure and is placed in the detection pipeline, the length of the corundum tube in the detection pipeline is greater than the length of the temperature measurement sensor 3, and is arranged side by side with the temperature measurement sensor 3, with a spacing of less than 1 mm; a calibration temperature sensor 4 is also provided, and the calibration temperature sensor 4 is detachably placed in the corundum tube; the difference between the length from the end of the calibration temperature sensor 4 to the mounting portion and the length from the end of the temperature measurement sensor 3 to the mounting portion is less than 1 mm; the calibration temperature sensor 4 and the temperature measurement sensor 3 are arranged side by side, with a spacing of less than 1.5 mm.

[0025] When testing is required, the calibration sensor is inserted into the detection pipe 1 through the corundum tube. The corundum tube and the temperature measurement sensor 3 are arranged side by side and are longer than the temperature measurement sensor 3. When the calibration sensor is placed in the corundum tube, the calibration sensor and the temperature measurement sensor 3 are placed side by side and isolated from each other through the corundum tube. The distance between the corundum tube and the temperature measurement sensor 3 is less than 1 mm, and the distance between the calibration temperature sensor 4 and the temperature measurement sensor 3 is less than 1.5 mm. The difference between the length from the end of the calibration temperature sensor 4 to the mounting part and the length from the end of the temperature measurement sensor 3 to the mounting part is less than 1 mm. In this way, the calibration temperature sensor 4 and the temperature measurement sensor 3 can be placed in the same position in the furnace as much as possible to prevent temperature differences at different positions in the furnace, which may lead to inaccurate testing.

[0026] In some embodiments of the present application, the detection pipe 1 also has a thermal insulation plug, which seals the opening of the detection pipe 1. The outer contour of the thermal insulation plug is adapted to the contour of the cross-section of the detection pipe 1 to isolate the connection between the internal space of the detection pipe 1 and the external space.

[0027] The thermal insulation plug is used to seal the opening of the detection pipeline 1. In actual use, the detection pipeline 1 is entirely in the furnace, while the temperature measurement sensor 3 and the calibration temperature sensor 4 are in the detection pipeline 1. If the detection pipeline 1 is connected to the space outside the furnace, the measured temperature may be lower than the temperature inside the furnace, affecting the operation of the high temperature alarm sensor 2. Using a thermal insulation plug to seal the opening of the detection pipeline 1 can keep the temperature inside the detection pipeline 1 close to the temperature inside the furnace, thereby obtaining the temperature inside the furnace more accurately.

[0028] In some embodiments of the present application, the corundum tube has a limit block, and the limit block is placed on the inner wall of the corundum tube.

[0029] The purpose of placing a limit block on the inner wall of the corundum tube is to limit the position of the calibration temperature sensor 4 in the corundum tube to prevent the calibration temperature sensor 4 from being placed too deep or too shallow, thereby affecting the calibration of the temperature test sensor.

[0030] In some embodiments of the present application, the cross-sectional area of ​​the portion of the corundum tube corresponding to the end of the temperature measurement sensor 3 is smaller than the cross-sectional area of ​​the portion of the corundum tube where the calibration temperature sensor 4 is placed.

[0031] The corresponding part of the corundum tube and the end of the temperature measurement sensor 3 can be the part of the corundum tube in the detection pipeline 1 that is flush with the end of the temperature measurement sensor 3. This part of the corundum tube can be designed to be narrower. When the calibration temperature sensor 4 is placed in the corundum tube, it cannot pass through the narrower part. In this way, the calibration temperature sensor 4 can stay in the corundum tube at a position flush with the temperature measurement sensor 3, which is convenient for corresponding placement with the temperature measurement sensor 3.

[0032] In some embodiments of the present application, the thickness of the corundum tube is 0.2 mm to 0.4 mm.

[0033] Controlling the thickness of the corundum tube between 0.2 mm and 0.4 mm can not only ensure that the wall of the corundum tube does not affect the temperature transfer, but also make the wall of the corundum tube have a certain rigidity to prevent the corundum tube from being damaged during the placement of the calibration temperature sensor 4.

[0034] In some embodiments of the present application, the detection pipe is sealed at one end of the installation portion in the furnace.

[0035] When the detection pipeline is placed in the furnace, it is connected to the furnace through the installation part. This part of the detection pipeline 1 is a sealed structure to prevent the gas in the furnace from leaking out through the detection pipeline 1.

[0036] In some embodiments of the present application, the detection pipe 1 is provided with a bracket, the temperature measurement sensor 3 and the corundum tube are placed on the bracket, and the difference between the distance between the temperature measurement sensor 3 and the detection pipe wall and the distance between the corundum tube and the detection pipe wall is less than 1 mm.

[0037] When the detection pipe 1 is placed horizontally in the furnace, the corundum tube and the temperature measurement sensor 3 are placed horizontally in the detection pipe 1 at the same time, and the temperature measurement sensor 3 and the corundum tube are kept at the same distance from the channel wall of the detection pipe 1 so that both are subjected to the same heat in the furnace conducted by the wall of the detection pipe 1.

[0038] In some embodiments of the present application, one end of the detection pipe extending into the furnace is sealed.

[0039] One end of the detection pipe 1 extending into the furnace is sealed to prevent the gas in the furnace from leaking out through the detection pipe 1.

[0040] In some embodiments of the present application, the detection pipe 1 protrudes from the outer wall of the vacuum heat treatment furnace.

[0041] The detection pipe 1 can protrude from the outer wall of the vacuum heat treatment furnace, which can facilitate the disassembly of the calibration temperature sensor 4. During disassembly, it does not need to contact the vacuum heat treatment furnace and maintain a certain distance to prevent accidental contact with the furnace wall to cause scalding accidents or disassembly errors to touch and damage the furnace wall.

[0042] In some embodiments of the present application, the detection pipeline 1 is arranged vertically.

[0043] The detection pipeline 1 can be arranged vertically. In actual use, the disassembled and calibrated temperature sensor 4 can be placed from the top of the vacuum heat treatment furnace, so that each sensor can be extended into the furnace by gravity, which is convenient for taking out each sensor.

[0044] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

[0045] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved. In addition, it is obvious that the word "comprising" does not exclude other units or steps, and the singular does not exclude the plural. Multiple units or devices stated in the device claim can also be implemented by one unit or device through software or hardware. The words first, second, etc. are used to indicate names, and do not indicate any particular order.

Claims

1. An integrated device for precision testing of a vacuum heat treatment furnace system, a temperature measurement sensor, a high temperature alarm sensor and a detection pipeline, wherein the temperature measurement sensor and the high temperature alarm sensor are inserted into the detection pipeline, and the detection pipeline is provided with a mounting portion that docks with the furnace wall, It is characterized in that Also included are corundum tubes; The corundum tube is a hollow cylindrical structure and is placed in the detection pipeline. The length of the corundum tube in the detection pipeline is greater than the length of the temperature measurement sensor, and the corundum tube is arranged side by side with the temperature measurement sensor, with a spacing of less than 1 mm. A calibration temperature sensor is also provided, and the calibration temperature sensor is detachably placed in the corundum tube; The difference between the length from the end of the calibration temperature sensor to the mounting portion and the length from the end of the temperature measurement sensor to the mounting portion is less than 1 mm; The calibration temperature sensor and the temperature measurement sensor are arranged side by side with a spacing of less than 1.5 mm.

2. According to claim 1, the vacuum heat treatment furnace system precision testing integrated device, It is characterized in that The detection pipeline also includes: A thermal insulation plug is provided to seal the detection pipe opening, and the outer contour of the thermal insulation plug is adapted to the contour of the cross section of the detection pipe to isolate the connection between the internal space of the detection pipe and the external space.

3. According to claim 1, the integrated device for precision testing of vacuum heat treatment furnace system, It is characterized in that The corundum tube has a limit block, and the limit block is arranged on the inner wall of the corundum tube.

4. According to claim 1, the vacuum heat treatment furnace system precision testing integrated device, It is characterized in that The cross-sectional area of ​​the portion of the corundum tube corresponding to the end of the temperature measurement sensor is smaller than the cross-sectional area of ​​the portion of the corundum tube where the calibration temperature sensor is placed.

5. According to claim 1, the vacuum heat treatment furnace system precision testing integrated device, It is characterized in that The thickness of the corundum tube is 0.2 mm to 0.4 mm.

6. According to claim 1, the vacuum heat treatment furnace system precision testing integrated device, It is characterized in that The detection pipeline is placed in one end of the installation portion in the furnace and is sealed.

7. According to claim 1, the vacuum heat treatment furnace system precision testing integrated device, It is characterized in that The detection pipeline is provided with a bracket, the temperature measurement sensor and the corundum tube are placed on the bracket, and the difference between the distance between the temperature measurement sensor and the detection pipeline wall and the distance between the corundum tube and the detection pipeline wall is less than 1 mm.

8. According to claim 1, the vacuum heat treatment furnace system precision testing integrated device, It is characterized in that One end of the detection pipe extending into the furnace is sealed.

9. According to claim 1, the vacuum heat treatment furnace system precision testing integrated device, It is characterized in that The detection pipeline protrudes from the outer wall of the vacuum heat treatment furnace.

10. According to claim 1, the vacuum heat treatment furnace system precision testing integrated device, It is characterized in that The detection pipeline is arranged vertically.

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