An aging test chamber for testing the corrosion resistance of temperature sensors

Abstract

This utility model discloses an aging test chamber for testing the corrosion resistance of temperature sensors, relating to the field of temperature sensor testing technology. The utility model includes a base frame; a test chamber is fixedly connected to the top of the base frame, and the test chamber contains a mounting bracket, a cooler, and a spraying assembly; the test chamber includes a box body fixedly connected to the top of the base frame, with a door rotatably connected to the front of the box body; the mounting bracket includes a drive shaft, with a mounting post (threaded at the top) detachably fixed to the bottom of the drive shaft; multiple mounting seats are fixedly connected to the outside of the mounting post; a rotating shaft is rotatably connected inside the mounting seat; a gear and a rotating seat are fixedly connected to the outside of the rotating shaft; a sliding seat is movably sleeved on the outside of the mounting post; and multiple racks slidably connected to the bottom of the sliding seat are fixedly connected to the bottom of the sliding seat, which are slidably connected to the interior of the corresponding mounting seat. This utility model improves the accuracy of test results by rotating the sensor under test at multiple angles, allowing the sensor to be tested from all directions.

Description

Technical Field

[0001] This utility model belongs to the field of temperature sensor testing technology, and in particular relates to an aging test chamber for testing the corrosion resistance of temperature sensors. Background Technology

[0002] In the research and development and production of temperature sensors, testing their corrosion resistance is a crucial step in ensuring product reliability. By simulating the erosion process of media under extreme environments, data support is provided for the practical application of the product in complex working conditions.

[0003] However, existing aging test chambers mostly have fixed sensor mounting brackets, which makes it difficult to adjust the sensors under test at multiple angles and flexibly adjust the spatial angle and exposure position of the sensors under test, thus causing deviations in the test results.

[0004] To address these issues, we provide an aging test chamber for testing the corrosion resistance of temperature sensors. Utility Model Content

[0005] The purpose of this invention is to provide an aging test chamber for testing the corrosion resistance of temperature sensors. By rotating the handwheel, the rack moves up and down, and then the gear meshing with the rack drives the rotating shaft to rotate, thereby allowing the sensor under test to rotate at multiple angles. This solves the problem that existing aging test chambers for testing the corrosion resistance of temperature sensors are not convenient for adjusting the installation angle of the temperature sensor, resulting in incomplete testing.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model is an aging test chamber for testing the corrosion resistance of temperature sensors, including a base frame; a test chamber is fixedly connected to the top of the base frame, and the interior of the test chamber is provided with a mounting bracket for installing the sensor to be tested, a cooler, and a spraying assembly.

[0008] The test chamber includes a box body that is fixedly connected to the top of the base frame, and a door is rotatably connected to the front of the box body;

[0009] The mounting bracket includes a drive shaft rotatably connected to the center of the top of the inner cavity of the housing. The bottom of the drive shaft is detachably fixed to a mounting post with a threaded upper part. Multiple mounting seats are fixedly connected to the outside of the mounting post. A rotating shaft is rotatably connected inside the mounting seat. A gear and a rotating seat for mounting the sensor to be tested are fixedly connected to the outside of the rotating shaft. A sliding seat is movably sleeved on the outside of the mounting post. Multiple racks are fixedly connected to the bottom of the sliding seat and slidably connected to the inside of the corresponding mounting seat. The racks mesh with the corresponding gears. A threaded sleeve is rotatably connected to the top of the sliding seat and threadedly sleeved on the threaded part of the mounting post. A handwheel is fixedly connected to the outside of the threaded sleeve.

[0010] The present invention is further configured such that the cooling unit includes a refrigeration unit fixedly connected to the inside of the base frame and a cooling indoor unit fixedly connected to the inner wall of the box.

[0011] The present invention is further configured such that the spraying assembly includes an annular pipe fixedly connected to the top of the inner cavity of the box and a liquid pump fixedly connected to the inside of the base frame. A liquid storage tank for storing corrosive liquid is fixedly connected inside the base frame. The liquid storage tank is connected to the input end of the liquid pump through a pipe. The output end of the liquid pump is connected to the annular pipe through a pipe. Multiple atomizing nozzles are evenly installed around the bottom of the annular pipe.

[0012] The present invention is further provided that heating plates for raising the temperature of the box are fixedly connected to both sides of the inner wall of the box.

[0013] The present invention is further configured such that a drive motor is fixedly connected to the top of the housing, and the drive shaft is fixedly connected to the output end of the drive motor.

[0014] The present invention is further configured such that a water receiving hopper is fixedly connected to the bottom of the inner cavity of the box, and a drain pipe connected to the water receiving hopper is fixedly connected to the center of the bottom of the water receiving hopper. The free end of the drain pipe extends through the inner wall of the box to the outside, and a cap is installed on the free end of the drain pipe.

[0015] The present invention is further configured such that a vacuum tempered glass is fixedly connected inside the door, and the inside of the box is filled with heat-insulating foam.

[0016] The present invention is further configured such that a controller is fixedly connected to the front of the box door, and the drive motor, cooler, liquid pump and multiple sensors to be tested are all electrically connected to the controller.

[0017] This utility model has the following beneficial effects:

[0018] 1. This utility model drives the threaded sleeve to rotate by turning the handwheel, and then the sliding seat can move up and down under the action of the thread, thereby driving the rack to move up and down. Then, the gear meshing with the rack drives the rotating shaft to rotate, thereby driving the rotating seat to rotate, and thus driving the sensor under test to rotate at multiple angles, so that the sensor can be tested from all directions, improving the accuracy of the test results.

[0019] 2. This utility model starts the refrigeration host and the cooling indoor unit through the controller. The two work together to reduce the internal temperature of the chamber. When it is necessary to simulate a high temperature environment, the heating plate is activated to raise the internal temperature of the chamber. This can simulate the corrosion resistance of the temperature sensor under low temperature and high temperature environments, making the test environment more diversified, meeting different test standards and requirements, and improving the comprehensiveness of the test. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0022] Figure 2 This is a schematic diagram of the box door in the open state of this utility model.

[0023] Figure 3 This is a schematic diagram of the mounting bracket of this utility model.

[0024] Figure 4 This is a schematic diagram of the water receiving hopper of this utility model.

[0025] Figure 5 This is a schematic diagram of the spraying component of this utility model.

[0026] Figure 6 This is a cross-sectional structural diagram of the box body of this utility model.

[0027] The attached diagram lists the components represented by each number as follows:

[0028] 100. Base frame; 200. Test chamber; 201. Chamber body; 202. Chamber door; 203. Vacuum tempered glass; 204. Thermal insulation foam; 300. Mounting bracket; 301. Drive shaft; 302. Mounting column; 303. Mounting base; 304. Rotating shaft; 305. Gear; 306. Rotating seat; 307. Sliding seat; 308. Rack; 309. Threaded sleeve; 310. Handwheel; 400. Drive motor; 500. Cooler; 501. Refrigeration unit; 502. Cooling indoor unit; 600. Spraying assembly; 601. Liquid storage tank; 602. Liquid pump; 603. Ring pipe; 604. Atomizing nozzle; 700. Controller; 800. Water receiving basin; 801. Drain pipe; 802. Cover; 900. Sensor to be tested; 1100. Heating plate. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0030] Example 1, please refer to Figures 1 to 4 The present invention is an aging test chamber for testing the corrosion resistance of temperature sensors, including a base frame 100; a test chamber 200 is fixedly connected to the top of the base frame 100, and the test chamber 200 is provided with a mounting bracket 300 for mounting the sensor 900 to be tested, a cooler 500 and a spraying assembly 600 inside.

[0031] The test chamber 200 includes a chamber body 201 fixedly connected to the top of the base frame 100, and a door 202 is rotatably connected to the front of the chamber body 201;

[0032] The mounting bracket 300 includes a drive shaft 301 rotatably connected to the center of the top of the inner cavity of the housing 201. A mounting post 302 with a threaded upper portion is detachably fixed to the bottom of the drive shaft 301. Multiple mounting seats 303 are fixedly connected to the outside of the mounting post 302. A rotating shaft 304 is rotatably connected inside the mounting seat 303. A gear 305 and a rotating seat 306 for mounting the sensor 900 to be tested are fixedly connected to the outside of the rotating shaft 304. A sliding seat 307 is movably sleeved on the outside of the mounting post 302. Multiple sliding connections are fixedly connected to the bottom of the sliding seat 307. The rack 308 inside the mounting base 303 meshes with the corresponding gear 305. A threaded sleeve 309 is rotatably connected to the top of the sliding base 307, and the threaded sleeve 309 is threaded onto the threaded part of the mounting post 302. A handwheel 310 is fixedly connected to the outside of the threaded sleeve 309. The mounting post 302 is driven to rotate through the drive shaft 301. With the meshing transmission of the rack 308 and the gear 305, the rotating base 306 can drive the sensor 900 under test to rotate at multiple angles, so that the sensor can be tested from all directions, improving the accuracy of the test results.

[0033] Specifically, the spraying assembly 600 includes an annular pipe 603 fixedly connected to the top of the inner cavity of the housing 201 and a liquid pump 602 fixedly connected to the inside of the base frame 100. A storage tank 601 for storing corrosive liquid is fixedly connected inside the base frame 100. The storage tank 601 is connected to the input end of the liquid pump 602 through a pipe, and the output end of the liquid pump 602 is connected to the annular pipe 603 through a pipe. Multiple atomizing nozzles 604 are evenly installed circumferentially at the bottom of the annular pipe 603. The storage tank 601 stores the corrosive liquid required for testing, and the liquid pump 602 delivers the liquid to the annular pipe 603 and sprays it evenly through the atomizing nozzles 604. This can simulate various corrosive environments, providing more realistic and comprehensive test conditions for the corrosion resistance test of the temperature sensor and ensuring the reliability of the test results.

[0034] Furthermore, a drive motor 400 is fixedly connected to the top of the housing 201, and a drive shaft 301 is fixedly connected to the output end of the drive motor 400.

[0035] A water collection hopper 800 is fixedly connected to the bottom of the inner cavity of the chamber 201. A drain pipe 801 connected to the water collection hopper 800 is fixedly connected to the center of the bottom of the water collection hopper 800. The free end of the drain pipe 801 extends through the inner wall of the chamber 201 to the outside. A cover 802 is installed on the free end of the drain pipe 801. The arrangement of the water collection hopper 800 and the drain pipe 801 facilitates the collection and discharge of waste liquid generated during the test, keeps the inside of the chamber 201 clean, and prevents the accumulation of waste liquid from affecting the test results.

[0036] The operation process of this embodiment is as follows: When the sensor 900 to be tested needs to be tested, the handwheel 310 is first turned to drive the threaded sleeve 309 to rotate. Then, under the action of the thread, the sliding seat 307 can be driven to move up and down, thereby driving the rack 308 to move up and down. Then, the gear 305 meshing with the rack 308 drives the rotating shaft 304 to rotate, thereby driving the rotating seat 306 to rotate, and thus driving the sensor 900 to be tested to rotate at multiple angles, so that the sensor can be tested from all directions, improving the accuracy of the test results.

[0037] Subsequently, the liquid pump 602 is started by the controller 700. The corrosive liquid stored in the storage tank 601 is transported to the annular pipe 603 by the liquid pump 602, and then evenly sprayed into the test chamber 200 by multiple atomizing nozzles 604 evenly distributed circumferentially at the bottom of the annular pipe 603. This can simulate the corrosive environment and provide more realistic and comprehensive test conditions for the corrosion resistance test of the temperature sensor.

[0038] Example 2, please refer to Figure 1 , Figure 2 , Figure 5 and Figure 6 Based on the first specific embodiment, the cooler 500 includes a refrigeration unit 501 fixedly connected to the inside of the base frame 100 and a cooling indoor unit 502 fixedly connected to the inner wall of the cabinet 201.

[0039] Heating plates 1100 are fixedly connected to both sides of the inner wall of the chamber 201 to raise the temperature of the chamber 201. The cooling host 501 and the cooling indoor unit 502 work together to lower the internal temperature of the chamber 201. The heating plates 1100 can raise the internal temperature of the chamber 201 according to the test requirements, thereby simulating the corrosion resistance of the temperature sensor under low temperature and high temperature environments, making the test environment more diversified, meeting different test standards and requirements, and improving the comprehensiveness of the test.

[0040] Specifically, a vacuum tempered glass 203 is fixedly connected inside the door 202, and the interior of the chamber 201 is filled with heat-insulating foam 204. The vacuum tempered glass 203 allows staff to clearly observe the test status of the sensors inside the chamber 201 without opening the door 202, while ensuring the airtightness of the chamber 201. The heat-insulating foam 204 can effectively reduce the heat exchange between the interior of the chamber 201 and the outside, and improve the stability of temperature control inside the chamber 201.

[0041] A controller 700 is fixedly connected to the front of the chamber door 202, and the drive motor 400, cooler 500, liquid pump 602 and multiple sensors 900 to be tested are all electrically connected to the controller 700. The controller 700 realizes centralized control of components such as drive motor 400, cooler 500, and liquid pump 602, which makes it convenient for staff to flexibly set various parameters according to test requirements, making the operation more intelligent and convenient, and improving test efficiency and accuracy.

[0042] The operation process of this embodiment is as follows: When it is necessary to simulate a low temperature environment, the controller 700 starts the cooling host 501 and the cooling indoor unit 502. The two work together to reduce the internal temperature of the chamber 201. When it is necessary to simulate a high temperature environment, the heating plate 1100 is started to raise the internal temperature of the chamber 201. This allows the corrosion resistance performance of the temperature sensor to be simulated under low and high temperature environments, making the test environment more diversified, meeting different test standards and requirements, and improving the comprehensiveness of the test.

[0043] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0044] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it.

Claims

1. An aging test chamber for corrosion resistance testing of temperature sensors, comprising a base frame (100); characterized in that: The top of the base frame (100) is fixedly connected to a test box (200), and the inside of the test box (200) is provided with a mounting bracket (300) for installing the sensor to be tested (900), a cooler (500) and a spraying assembly (600). The test box (200) includes a box body (201) fixedly connected to the top of the base frame (100), and a box door (202) is rotatably connected to the front of the box body (201). The mounting bracket (300) includes a drive shaft (301) rotatably connected to the center of the top of the inner cavity of the housing (201). A mounting post (302) with a threaded upper portion is detachably fixed to the bottom of the drive shaft (301). Multiple mounting seats (303) are fixedly connected to the outside of the mounting post (302). A rotating shaft (304) is rotatably connected inside the mounting seat (303). A gear (305) and a rotating seat (306) for mounting the sensor (900) to be tested are fixedly connected to the outside of the rotating shaft (304). The mounting post (302) is externally fitted with a sliding seat (307). The bottom of the sliding seat (307) is fixedly connected with multiple racks (308) that are slidably connected to the inside of the corresponding mounting seat (303). The racks (308) mesh with the corresponding gears (305). The top of the sliding seat (307) is rotatably connected with a threaded sleeve (309). The threaded sleeve (309) is threaded onto the threaded part of the mounting post (302). The outside of the threaded sleeve (309) is fixedly connected with a handwheel (310).

2. The aging test chamber for testing the corrosion resistance of temperature sensors according to claim 1, characterized in that, The cooler (500) includes a refrigeration unit (501) fixedly connected to the inside of the base frame (100) and a cooling indoor unit (502) fixedly connected to the inner wall of the cabinet (201).

3. The thermal cycler of claim 1, wherein the thermal cycler further comprises a temperature sensor disposed within the thermal cycler, the temperature sensor configured to measure a temperature of the thermal cycler. The spraying assembly (600) includes an annular tube (603) fixedly connected to the top of the inner cavity of the housing (201) and a liquid pump (602) fixedly connected to the inside of the base frame (100). The base frame (100) has a storage tank (601) for storing corrosive liquids fixedly connected inside. The storage tank (601) is connected to the input end of the liquid pump (602) through a pipe. The output end of the liquid pump (602) is connected to the annular tube (603) through a pipe. Multiple atomizing nozzles (604) are evenly installed around the bottom of the annular tube (603).

4. An aging test chamber for testing the corrosion resistance of temperature sensors according to claim 1, characterized in that, The inner walls of the box (201) are fixedly connected to heating plates (1100) for raising the temperature of the box (201).

5. An aging test chamber for testing the corrosion resistance of temperature sensors according to claim 1, characterized in that, The top of the housing (201) is fixedly connected to a drive motor (400), and the drive shaft (301) is fixedly connected to the output end of the drive motor (400).

6. An aging test chamber for testing the corrosion resistance of temperature sensors according to claim 1, characterized in that, A water receiving hopper (800) is fixedly connected to the bottom of the inner cavity of the box (201). A drain pipe (801) connected to the water receiving hopper (800) is fixedly connected to the center of the bottom of the water receiving hopper (800). The free end of the drain pipe (801) extends through the inner wall of the box (201) to the outside. A cap (802) is installed on the free end of the drain pipe (801).

7. An aging test chamber for testing the corrosion resistance of temperature sensors according to claim 1, characterized in that, The inside of the door (202) is fixedly connected to a vacuum tempered glass (203), and the inside of the box body (201) is filled with heat-insulating foam (204).

8. An aging test chamber for testing the corrosion resistance of temperature sensors according to claim 1, characterized in that, The front of the box door (202) is fixedly connected to a controller (700), and the drive motor (400), cooler (500), liquid pump (602) and multiple sensors to be tested (900) are all electrically connected to the controller (700).

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