A high temperature compensation wire testing machine

Abstract

The utility model discloses a high-temperature compensation wire tester, including a tester body, a detection chamber and a storage chamber are arranged in the tester body, a mounting plate is fixedly arranged between the detection chamber and the storage chamber, a plurality of clamping components for convenient fixing are arranged in the detection chamber, and a heat dissipation component for cooling is arranged on one side of the inner wall of the tester body; the clamping component includes a fixing plate and an arc-shaped mounting seat, a support plate is hingedly connected to the inner side of the top of the fixing plate, and a through hole is opened on the support plate, a screw is fixedly connected to the top of the support plate through a nut, a pressure plate is fixedly connected to the bottom end of the screw, and a rubber plate is arranged at the bottom of the pressure plate. By setting a rotating nut so that the screw drives the pressure plate and the rubber plate to move downward, the original part to be tested is clamped between the rubber plate and the arc-shaped placement table, the position of the original part to be tested can be effectively fixed, and the displacement of the component to be tested in the test socket due to the vibration of the test is prevented, resulting in the disconnection of the component pin and the test board, thereby improving the efficiency and accuracy of the measurement.

Description

Technical Field

[0001] The utility model relates to a high-temperature compensation wire testing machine, belonging to the technical field of high-temperature compensation wire testing. Background Art

[0002] Compensation wires are a pair of insulated wires that have the same nominal value of thermoelectromotive force as the matched thermocouple within a certain temperature range. They are used to connect thermocouples and measuring devices to compensate for the errors caused by temperature changes at the connection between them and the thermocouples.

[0003] In the prior art, for example, the Chinese patent publication number CN 212646859 U, "A high temperature aging test machine", includes a heating box, a control panel, an electric heater and a heating box door. The heating box is a rectangular structure with an internal cavity, and a through hole is provided at the bottom of the heating box. The control panel is arranged at the upper end of the heating box, and the control panel is fixedly connected to the heating machine box. The electric heater is arranged at the bottom of the heating box, and the electric heater is fixedly connected to the heating box. The heating box door is hinged to the heating box. Its beneficial effect is that, through the interaction of the control panel, the electric heater and the thermal sensor, after the internal temperature of the box reaches the specified temperature, the electric heater can be suspended through the thermal sensor, and the electric heater can be restarted when the temperature drops, thereby avoiding the temperature rise caused by the electric heater continuing to work after the specified temperature, and to a certain extent reducing the working time of the electric heater, extending the service life of the electric heater, and improving the experimental accuracy.

[0004] However, in the prior art, if the machine is not well fixed during use, the vibration of the machine may cause the component under test to shift in the test socket during actual testing, resulting in disconnection between the component pins and the test board, thereby reducing the test accuracy and efficiency. Therefore, a high-temperature compensation wire tester is designed. Utility Model Content

[0005] The purpose of the utility model is to design a high temperature compensation wire testing machine in view of the above problems existing in the prior art, to overcome the deficiencies of the prior art.

[0006] In order to achieve the above purpose, the technical solution of the utility model is:

[0007] A high-temperature compensation wire tester, comprising a tester main body, a detection chamber and a storage chamber are arranged in the tester main body, a mounting plate is fixedly arranged between the detection chamber and the storage chamber, a plurality of clamping components for convenient fixing are arranged in the detection chamber, and a heat dissipation component for cooling is arranged on one side of the inner wall of the tester main body;

[0008] The clamping assembly includes a fixing plate and an arc-shaped mounting seat, a supporting plate is hinged on the inner side of the top of the fixing plate, the supporting plate is provided with a through hole, a screw is fixedly connected to the top of the supporting plate through a nut, a pressure plate is fixedly connected to the bottom end of the screw, a rubber plate is arranged at the bottom of the pressure plate, and an arc-shaped placing platform is fixedly connected to the top of the arc-shaped mounting seat through two bolts.

[0009] Preferably, a mounting groove is provided on the mounting plate, a plurality of heat conducting pipes are installed in the mounting groove, and a heat conducting plate is arranged on the top of the mounting plate.

[0010] Preferably, the heat conducting plate is located above the plurality of heat conducting tubes, and the top of the heat conducting plate is respectively fixed to the plurality of fixing plates and the bottom of the plurality of arc-shaped mounting seats.

[0011] Preferably, the heat dissipation assembly includes an air guide cover, which is arranged on the inner wall of the detection chamber, a mounting bracket is fixedly arranged on the inner wall of the air guide cover, an exhaust fan is installed on one side of the mounting bracket, and a plurality of exhaust holes are opened on the side of the air guide cover away from the inner wall of the detection chamber.

[0012] Preferably, a refrigerator is installed on the bottom wall inside the storage bin, the top is connected to the air guide hood through an exhaust pipe, and a heat dissipation external machine is installed on the outer wall of the storage bin, and the heat dissipation external machine is located on one side of the refrigerator.

[0013] Preferably, an electric push rod is installed on the inner wall of the top of the detection chamber, the output end of the electric push rod is fixedly connected to a circular mounting seat, a plurality of detection needles are fixedly arranged on the bottom of the circular mounting seat, and a temperature sensor is arranged on the inner wall of one side of the detection chamber.

[0014] Preferably, two sliding doors are hingedly connected to the front of the testing machine body through hinges, a handle is welded on the outer side of each sliding door, and a controller is arranged on one of the sliding doors.

[0015] Beneficial effects achieved by the utility model:

[0016] 1. Set up a clamping assembly, and rotate the nut to make the screw drive the pressure plate and the rubber plate to move downward, so that the original part to be tested is clamped between the rubber plate and the arc-shaped placement table, which can effectively fix the position of the original part to be tested, prevent the displacement of the component under test in the test socket due to the vibration of the test, and cause the component pins to break contact with the test board, thereby improving the efficiency and accuracy of the measurement;

[0017] 2. Set up a heat dissipation component, produce cold air through the refrigerator and the heat dissipation external unit, and then cool the inside of the test chamber through the exhaust fan and multiple exhaust holes, effectively cool the internal parts, prevent the internal temperature from being too high due to working for too long and causing short circuit of the test components, and increase the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional structural schematic diagram of an embodiment of the utility model is given;

[0019] Figure 2 for Figure 1 The side view structural diagram shown;

[0020] Figure 3 for Figure 1 The schematic diagram of the cutaway structure of the air guide cover is shown;

[0021] Figure 4 for Figure 3 A schematic diagram of the enlarged structure at point A;

[0022] Figure 5 for Figure 1 The three-dimensional structure schematic diagram of the clamping assembly is shown.

[0023] Figure numerals: 1. Test machine body; 01. Detection chamber; 02. Storage chamber; 2. Mounting plate; 3. Clamping assembly; 31. Fixing plate; 32. Support plate; 33. Screw; 34. Nut; 35. Pressing plate; 36. Arc-shaped mounting seat; 37. Arc-shaped placement table; 38. Bolt; 4. Heat dissipation assembly; 41. Air guide cover; 42. Mounting frame; 43. Exhaust fan; 44. Exhaust hole; 5. Mounting slot; 6. Heat pipe; 7. Heat conduction plate; 8. Rubber sheet; 9. Refrigerator; 10. Exhaust duct; 11. Heat dissipation external unit; 12. Electric push rod; 13. Round mounting seat; 14. Temperature sensor; 15. Sliding door; 16. Handle; 17. Controller. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and cannot be used to limit the protection scope of the utility model. Example 1

[0025] like Figure 1-5 As shown, a high-temperature compensation wire testing machine proposed by the utility model includes a testing machine body 1, a detection chamber 01 and a storage chamber 02 are arranged in the testing machine body 1, a mounting plate 2 is fixedly arranged between the detection chamber 01 and the storage chamber 02, a plurality of clamping components 3 for convenient fixing are arranged in the detection chamber 01, and a heat dissipation component 4 for cooling is arranged on one side of the inner wall of the testing machine body 1; the clamping component 3 includes a fixing plate 31 and an arc-shaped mounting seat 36, a support plate 32 is hingedly connected to the inner side of the top of the fixing plate 31, and the support plate 32 has a through hole, a screw rod 33 is fixedly connected to the top of the support plate 32 by a nut 34, a pressure plate 35 is fixedly connected to the bottom end of the screw rod 33, a rubber plate 8 is arranged at the bottom of the pressure plate 35, and an arc-shaped placing table 37 is fixedly connected to the top of the arc-shaped mounting seat 36 by two bolts 38.

[0026] In this embodiment, a detection bin 01 and a storage bin 02 are provided in the testing machine body 1, and the detection bin 01 and the storage bin 02 are separated in layers by the mounting plate 2. The clamping assembly 3 includes a fixing plate 31 and an arc-shaped mounting seat 36. A support plate 32 is hinged on the inner side of the top of the fixing plate 31. The support plate 32 can be manually moved on the fixing plate 31. Through the arc-shaped setting of the arc-shaped mounting seat 36 and the arc-shaped placing table 37, and then through the clamping of the rubber plate 8 and the pressure plate 35, the tested subjects of different specifications can be fixed, thereby improving the efficiency and accuracy of equipment detection. Example 2

[0027] like Figure 1-5 As shown, a high-temperature compensation wire tester proposed by the utility model, compared with embodiment 1, this embodiment also includes a mounting groove 5 opened on the mounting plate 2, a plurality of heat-conducting pipes 6 are installed in the mounting groove 5, a heat-conducting plate 7 is arranged on the top of the mounting plate 2, the heat-conducting plate 7 is located above the plurality of heat-conducting pipes 6, the top of the heat-conducting plate 7 is respectively fixed to the bottom of a plurality of fixing plates 31 and a plurality of arc-shaped mounting seats 36, the heat dissipation component 4 includes an air guide cover 41, the air guide cover 41 is arranged on the inner wall of the detection chamber 01, a mounting frame 42 is fixedly arranged on the inner wall of the air guide cover 41, an exhaust fan 43 is installed on one side of the mounting frame 42, and a plurality of exhaust fans are opened on the side of the air guide cover 41 away from the inner wall of the detection chamber 01 Hole 44, a refrigerator 9 is installed on the inner bottom wall of the storage bin 02, and the top is connected to the air guide cover 41 through an exhaust pipe 10, a heat dissipation external machine 11 is installed on the outer wall of the storage bin 02, and the heat dissipation external machine 11 is located on one side of the refrigerator 9, an electric push rod 12 is installed on the inner wall of the top of the detection bin 01, and the output end of the electric push rod 12 is fixedly connected to a circular mounting seat 13, and a plurality of detection needles are fixedly arranged on the bottom of the circular mounting seat 13, a temperature sensor 14 is arranged on the inner wall of one side of the detection bin 01, and two sliding doors 15 are hinged on the front of the test machine body 1 through hinges, and a handle 16 is welded on the outside of each sliding door 15, and a controller 17 is arranged on one of the sliding doors 15.

[0028] In this embodiment, a mounting groove 5 is opened on the mounting plate 2, and a plurality of heat pipes 6 are installed in the mounting groove 5. The heat pipes 6 can be used to heat the interior of the detection chamber 01, and cold air is produced by the refrigerator 9 and the heat dissipation external unit 11. Then, the exhaust fan 43 and the plurality of exhaust holes 44 are used to cool the interior parts of the detection chamber 01, thereby effectively cooling the interior parts of the detection chamber 01 and improving the service life of the device. The model of the temperature sensor 14 is 602F-3500F, which is used to measure the internal temperature and feed it back to the controller 17, and then the internal temperature of the detection chamber 01 is adjusted by the controller 17. A handle 16 is provided to facilitate pulling the sliding door 15 to close the detection chamber 01 and the storage chamber 02.

[0029] Working principle: When using the high-temperature compensation wire tester, first fix the compensation wire body inside the detection chamber 01 through the clamping assembly 3, place the tested wire on the top surface of the arc-shaped placement table 37, and then rotate the nut 34 to make the screw 33 drive the pressure plate 35 and the rubber plate 8 to move downward, and move the rubber plate 8 to contact the main line, and then turn on the electric push rod 12 to adjust the circular mounting seat 13 and the detection needle to move downward, so that the detection body and the tested body are in a suitable position, and finally control the temperature of the heat pipe 6 through the controller 17, and heat the inside of the detection chamber 01 through the heat pipe 6. When the measurement is completed, the refrigerator 9 can be turned on, and the refrigerator 9 is connected to the air guide cover 41, and then the exhaust fan 43 and multiple exhaust holes 44 are set to cool the inside of the detection chamber 01, which can increase the service life of the device.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A high temperature compensation wire tester, comprising a tester body (1), characterized in that: The testing machine body (1) is provided with a testing chamber (01) and a storage chamber (02), a mounting plate (2) is fixedly provided between the testing chamber (01) and the storage chamber (02), a plurality of clamping components (3) are provided in the testing chamber (01) for convenient fixing, and a heat dissipation component (4) for cooling is provided on one side of the inner wall of the testing machine body (1); The clamping assembly (3) comprises a fixing plate (31) and an arc-shaped mounting seat (36); a support plate (32) is hingedly connected to the inner side of the top of the fixing plate (31); the support plate (32) is provided with a through hole; a screw rod (33) is fixedly connected to the top of the support plate (32) via a nut (34); a pressure plate (35) is fixedly connected to the bottom end of the screw rod (33); a rubber plate (8) is provided at the bottom of the pressure plate (35); and a arc-shaped placement platform (37) is fixedly connected to the top of the arc-shaped mounting seat (36) via two bolts (38).

2. A high temperature compensation wire tester according to claim 1, characterized in that: The mounting plate (2) is provided with a mounting groove (5), a plurality of heat conduction pipes (6) are installed in the mounting groove (5), and a heat conduction plate (7) is arranged on the top of the mounting plate (2).

3. A high temperature compensation wire tester according to claim 2, characterized in that: The heat conducting plate (7) is located above the plurality of heat conducting tubes (6), and the top of the heat conducting plate (7) is respectively fixed to the bottoms of the plurality of fixing plates (31) and the plurality of arc-shaped mounting seats (36).

4. A high temperature compensation wire tester according to claim 1, characterized in that: The heat dissipation assembly (4) comprises an air guide cover (41), the air guide cover (41) being arranged on the inner wall of the detection chamber (01), a mounting frame (42) being fixedly arranged on the inner wall of the air guide cover (41), an exhaust fan (43) being installed on one side of the mounting frame (42), and a plurality of exhaust holes (44) being provided on a side of the inner wall of the air guide cover (41) away from the detection chamber (01).

5. A high temperature compensation conductor testing machine according to claim 1, characterized in that: A refrigerator (9) is installed on the bottom wall of the storage bin (02); the top is connected to the air guide cover (41) via an exhaust pipe (10); a heat dissipation external machine (11) is installed on the outer wall of the storage bin (02); the heat dissipation external machine (11) is located on one side of the refrigerator (9).

6. A high temperature compensation conductor testing machine according to claim 1, characterized in that: An electric push rod (12) is installed on the inner wall at the top of the detection chamber (01); the output end of the electric push rod (12) is fixedly connected to a circular mounting seat (13); a plurality of detection needles are fixedly arranged on the bottom of the circular mounting seat (13); and a temperature sensor (14) is arranged on the inner wall of one side of the detection chamber (01).

7. A high temperature compensation conductor testing machine according to claim 1, characterized in that: The front of the testing machine body (1) is hinged with two sliding doors (15) via hinges, a handle (16) is welded to the outside of each sliding door (15), and a controller (17) is provided on one of the sliding doors (15).

Images