Temperature testing device

Abstract

The invention belongs to the technical field of temperature testing, and particularly relates to a temperature testing device, through intensive arrangement of a plurality of temperature control mechanisms and temperature changing devices, on one hand, the whole testing device can be more compact and smaller in occupied area, and on the other hand, the testing temperature environment corresponding to a testing cavity can be rapidly switched through cooperation with an air adjusting ring, so that the testing efficiency is improved. The temperature test requirement of a larger temperature difference environment is met; the arrangement of the temperature changing device can pre-store and provide the environment and the air with the corresponding temperature, and the air can be quickly output during the temperature test.

Description

Technical Field

[0001] The invention belongs to the technical field of temperature testing, and in particular relates to a temperature testing device. Background Art

[0002] In order to test the operational stability of some products or components, samples are often taken for corresponding usage environment tests before such items leave the factory. Among them, temperature testing is a type of aging test for harsh environments. Most of the methods are to create a high or low temperature environment, make the test object operate or place in the environment, and finally test the test object.

[0003] At present, in temperature testing, in order to verify the stability of the test object in the extreme operating environment, in addition to single temperature testing, high and low temperature environment testing is often performed. That is, after the test object is tested in a high temperature or low temperature environment, it is transferred to another temperature environment to form a temperature shock. At present, most temperature testing devices have two test environments, one of which is high and one is low. When performing temperature testing, the two environments are switched to meet the needs of temperature change testing. However, this method can only meet the impact test of a single high temperature or low temperature. In some test environments, such as repeated impact tests with multiple large-span temperature ranges such as high, low, and high, the conditions of such a single high and low temperature test temperature environment cannot be met, and the corresponding chamber needs to be changed in temperature to achieve this. This can easily lead to extended test time and the inability to meet the variables of the test conditions. Summary of the Invention

[0004] The purpose of the present invention is to provide a temperature test device to solve the problems mentioned in the background technology.

[0005] In order to achieve the above technical objectives, the technical solutions adopted by the present invention are as follows:

[0006] A temperature test device comprises an outer box, a temperature control mechanism and a control panel, wherein the temperature control mechanism is arranged in the outer box, the front side of the outer box is a box door, and an adjustment mechanism is arranged in the outer box;

[0007] The outer box is a horizontal cylindrical structure as a whole. The regulating mechanism includes a placement box, a temperature changer and an air regulating ring. The placement box is arranged in the outer box. The number of the temperature changers is several and evenly arranged in the outer box. The air regulating ring is rotatably arranged between the temperature changer and the placement box.

[0008] The placement box is a cylindrical structure with a test cavity in the middle. The air regulating ring is annular and is rotatably sealed between the placement box and the outer box. There is a gap between the air regulating ring and the placement box and is matched with a plurality of temperature changers for sliding seals. A notch is opened on one side of the air regulating ring and matches the position of the temperature changer. A main air inlet is opened on the upper side of the placement box and is connected to the gap between the air regulating rings.

[0009] The placement box is further provided with a bypass air inlet on the side compared to the main air inlet.

[0010] The outer box is provided with an air storage chamber, the temperature changer is arranged in the air storage chamber, the temperature changer includes a hinge, an air supply part, an insulation plate and an elastic pusher, the insulation plate is slidingly sealed and arranged in the air storage chamber, the hinge and the air supply part are connected to each other and are arranged between the upper inner wall of the air storage chamber and the insulation plate, the elastic pusher is arranged at the lower end of the insulation plate, and a floating valve matching the elastic pusher is provided at the notch of the air regulating ring.

[0011] The hinged part includes a rotating device, a hinge rod and a connecting seat. There are two connecting seats, which are respectively arranged on the insulation plate and the upper inner wall of the air storage chamber. The hinge rod is hinged between the two connecting seats. The connecting seat on the insulation plate side is slidingly connected to the insulation plate along the axial direction of the hinge rod. The rotating device is arranged on the upper inner wall of the air storage chamber and is concentrically connected to the rotating shaft of the hinge rod. Both of the connecting seats are rotatably provided with an air pipe concentric with the rotating shaft of the hinge rod. The hinge rod is a hollow tube and is connected to the two air pipes. The air supply component is arranged at the upper end of the insulation plate and is connected to the air pipe at the insulation plate.

[0012] The air supply component includes a fixed pipe and a sleeve. The fixed pipe is fixedly arranged on the upper end of the insulation board and the exhaust port is connected to the lower end of the insulation board. The sleeve is connected to the air pipe on the insulation board side and is connected to the fixed pipe sliding sealing air path.

[0013] The floating valve includes a sealing plate and a push plate, which are integrally formed and have an I-shaped vertical cross-section. The sealing plate is slidingly and sealingly connected to the notch of the air regulating ring and the opening shape matches. The floating valve as a whole is elastically slidingly and sealingly connected to the air regulating ring up and down.

[0014] An exhaust port communicating with the test cavity of the placement box is provided on the rear side of the outer box.

[0015] Compared with the prior art, this application has at least the following advantages:

[0016] The intensive arrangement of multiple temperature control mechanisms and thermostats makes the entire test device more compact and occupies less space. Furthermore, the air conditioning ring allows for rapid switching of the test temperature environment corresponding to the test chamber, meeting the needs of temperature testing in environments with larger temperature differences. The thermostat can pre-store and provide environments and air with corresponding temperatures, enabling rapid air output during temperature testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is further illustrated by means of the following non-limiting examples.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 It is a structural cross-sectional view of the present invention.

[0020] Figure 3 This is a structural cross-sectional view of the present invention from another angle.

[0021] Figure 4 It is a structural schematic diagram of the temperature changer of the present invention.

[0022] Figure 5 It is a structural sectional view of the thermostat of the present invention.

[0023] Outer box 1, temperature control mechanism 11, box door 12, exhaust vent 13, placement box 2, test chamber 21, main air inlet 22, air regulating ring 3, notch 31, bypass air inlet 32, air storage chamber 4, insulation board 5, elastic pusher 51, hinge rod 52, connecting seat 53, air pipe 54, fixing pipe 55, sleeve 56, sealing plate 6, push plate 61, motor 7, transmission wheel 71, pulley 72, transmission belt 73. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0025] like Figure 1-5 As shown, a temperature test device includes an outer box 1, a temperature control mechanism 11 and a control panel. The temperature control mechanism 11 is provided in the outer box 1. The front side of the outer box 1 is a box door 12. An adjustment mechanism is provided inside the outer box 1.

[0026] The outer box 1 is a horizontal cylindrical structure as a whole. The adjustment mechanism includes a placement box 2, a temperature changer and an air regulating ring 3. The placement box 2 is arranged in the outer box 1. The number of temperature changers is several and evenly arranged in the outer box 1. The air regulating ring 3 is rotatably arranged between the temperature changer and the placement box 2.

[0027] The placement box 2 is a cylindrical structure with a test chamber 21 in the middle. The air regulating ring 3 is annular and is rotatably sealed between the placement box 2 and the outer box 1. There is a gap between the air regulating ring 3 and the placement box 2 and it is matched with several temperature changers for sliding seals. A notch 31 corresponding to the position of the temperature changer is opened on one side of the air regulating ring 3. A main air inlet 22 connected to the gap between the air regulating ring 3 is opened on the upper side of the placement box 2.

[0028] Before conducting a temperature test, the temperatures of several temperature control mechanisms 11 are preset through a control panel, wherein the number of temperature control mechanisms 11 is the same as the number of thermostats. The control panel is a terminal with logic or functional control capabilities, such as a computer or tablet commonly used in the art. It is equipped with a corresponding control program to adjust and set parameters such as path, temperature, and time of the electronic control components in the test device. The temperature control mechanism 11 is used for temperature regulation, such as a refrigerator or heater. The corresponding heating or cooling principles and technologies are also conventional technologies in the field of temperature control, such as compressors or resistance heating, so no excessive technical and structural description is given here.

[0029] When the test parameters are preset, the door 12 of the outer box 1 can be opened and the test object can be placed in the test chamber 21 of the placement box 2. The test can be started by closing the door 12. The air regulating ring 3 rotates according to the test high and low temperature sequence preset on the control panel, so that the gap 31 of the air regulating ring 3 corresponds to the thermostat at the designated temperature control mechanism 11. At this time, the thermostat outputs hot air or cold air, and passes through the gap 31 of the air regulating ring 3 into the gap between the air regulating ring 3 and the placement box 2, and finally enters the test chamber 21 through the main air inlet 22 of the placement box 2, thereby regulating the temperature environment in the test chamber 21 and directly performing a temperature shock test on the test object;

[0030] When the temperature needs to be switched to continue the test, the air regulating ring 3 continues to rotate to switch the temperature control mechanism 11 corresponding to the notch 31, thereby quickly switching the environment corresponding to the test temperature, while the placement box 2 as a whole does not move or change its state, which can reduce the impact of variables on the accuracy of the test. The rotation of the air regulating ring 3 can be driven directly by the motor 7, or by a transmission method such as gears or belts, wherein the transmission part is embedded in the outer box 1, which can accommodate the moving parts and improve safety.

[0031] This test method reduces the occupancy of the external environment and improves the degree of integration of the equipment through the centralized setting of multiple temperature control mechanisms 11. On the other hand, it can provide multiple test temperature ranges to improve the scope and applicability of the test. Furthermore, multiple temperature control mechanisms 11 can quickly preheat or cool the temperature in advance. Compared with traditional temperature test devices, their test chambers 21 are single, the temperature adjustment range is small, and the waiting time is long, resulting in long test cycles and increased variables. This device can better provide a temperature test environment with a larger temperature range for the test object. The thermostat corresponding to each independent temperature control mechanism 11 only performs heating or cooling separately, avoiding the waiting time or impact waiting time for cooling or heating of a single space.

[0032] The storage box 2 is further provided with a bypass air inlet 32 ​​on the side opposite to the main air inlet 22 .

[0033] In this way, the ambient temperature in the test chamber 21 can be regulated through the bypass air inlet, thereby increasing the overall temperature change speed of the test environment.

[0034] The outer box 1 is provided with an air storage chamber 4, and the thermostat is arranged in the air storage chamber 4. The thermostat includes a hinge, an air supply part, an insulation plate 5 and an elastic pusher 51. The insulation plate 5 is slidingly sealed in the air storage chamber 4. The hinge and the air supply part are connected to each other and are arranged between the upper inner wall of the air storage chamber 4 and the insulation plate 5. The elastic pusher 51 is arranged at the lower end of the insulation plate 5. A floating valve matching the elastic pusher 51 is provided at the notch 31 of the air regulating ring 3.

[0035] The air storage chamber 4 is used to cooperate with the air adjustment ring 3 and the insulation plate 5 to form a relatively closed and independent space to meet the conditions for the temperature control mechanism 11 to form a rapid temperature change in a small space. It can also form a pressurized environment for this space. In order to ensure the stability of the pressure in the environment, a corresponding pressure relief valve can also be set between the insulation plate 5 and the temperature control mechanism 11 or the outside world to ensure the safety of the environmental pressure. When the gap 31 of the air adjustment ring 3 corresponds to the air storage chamber 4, the floating valve remains closed to the gap 31, and the hinge decides whether to start according to the preset of the control panel. For example, several temperature control mechanisms 11 are distributed in hot and cold intervals to meet the high and low temperature impact test, or only a specified number of multiple temperature control mechanisms 11 on a single side are started. At this time, whether the hinge drives the insulation plate 5 until the elastic pusher 51 is used to open the floating valve to determine whether cold air or hot air enters the test chamber 21. The elastic pusher 51 can be one or more of a spring or a spring, and of course it can also be other components with elastic functions.

[0036] The hinge includes a rotating device, a hinge rod 52 and a connecting seat 53. There are two connecting seats 53, which are respectively arranged on the insulation plate 5 and the upper inner wall of the air storage chamber 4. The hinge rod 52 is hinged between the two connecting seats 53. The connecting seat 53 on the side of the insulation plate 5 is slidingly connected to the insulation plate 5 along the axial direction of the hinge rod 52. The rotating device is arranged on the upper inner wall of the air storage chamber 4 and is concentrically connected to the rotating shaft of the hinge rod 52. The two connecting seats 53 are both rotatably provided with an air pipe 54 concentric with the rotating shaft of the hinge rod 52. The hinge rod 52 is a hollow tube and is connected to the two air pipes 54. The air supply component is arranged at the upper end of the insulation plate 5 and is connected to the air pipe 54 at the insulation plate 5.

[0037] The rotating device can be a motor 7, which directly drives the hinge rod 52. In this application, considering that the space under the insulation board 5 has environmental pressure, this application is more inclined to use gears or pulleys 72 for transmission connection, and the pulley 72 needs to use a toothed transmission belt 73 to increase friction and anti-slip effect to prevent slipping. For example, in this application, the motor 7 is used to drive the transmission wheel 71, and the transmission belt 73 is used to transmit the transmission to the pulley 72 to achieve the effect of driving the hinge rod 52. When the hinge rod 52 produces a flipping action, the connecting seat 53 on the upper side of the insulation board 5 is in the insulation. The temperature plate 5 is displaced and slides until the elastic pusher 51 opens the floating valve. During this process, the movement of the insulation plate 5 can further compress the air and increase the pressure. In particular, the temperature control mechanism 11 corresponding to the heating environment. The high-pressure environment can further increase the heating speed and achieve energy-saving effects. After the floating valve is opened by the elastic pusher 51, high-pressure gas is quickly output to quickly control the temperature in the test chamber 21. At the same time, the main air inlet is directly connected to the test object, and air of the corresponding temperature can be directly and preferentially supplied to the test object to meet the needs of the test object first.

[0038] In this way, the air storage chamber 4 is used to pre-store air of the corresponding temperature and pressurize it. On the one hand, it can quickly switch and change the temperature environment of the test chamber 21, and on the other hand, it can increase the flow rate of air output to achieve a direct temperature shock effect on the test object.

[0039] The air supply component includes a fixed tube 55 and a sleeve 56. The fixed tube 55 is fixedly arranged at the upper end of the insulation board 5 and the exhaust port is connected to the lower end of the insulation board 5. The sleeve 56 is connected to the air pipe 54 on the side of the insulation board 5 and is connected to the fixed tube 55 in a sliding sealed air path.

[0040] During the rotation of the hinge 52, the hollow structure of the hinge 52 and the air pipe 54 can transport the gas output by the temperature control mechanism 11 to the air supply part through the hinge 52, and the fixed tube 55 and the sleeve 56 in the air supply part can meet the displacement changes when the hinge 52 is flipped, while ensuring continuous gas delivery.

[0041] The floating valve includes a sealing plate 6 and a push plate 61. The sealing plate 6 and the push plate 61 are integrally formed and have an I-shaped vertical cross-section. The sealing plate 6 is slidingly and sealingly connected to the notch 31 of the air regulating ring 3 and the opening shape matches. The floating valve as a whole is elastically slidingly and sealingly connected to the air regulating ring 3 up and down.

[0042] The sealing plate 6 is used to close or open the gap 31 of the air regulating ring 3, and at the same time control the opening degree according to the thermostat. The push plate 61 plays a role in cooperating with the thermostat to push. The opening and closing elastic sliding of the entire floating valve can be achieved by a spring, or by a shrapnel or other device with elastic reset capability.

[0043] An exhaust port 13 communicating with the test chamber 21 of the placement box 2 is provided on the rear side of the outer box 1 .

[0044] The setting of the exhaust port 13 can quickly discharge the residual air in the test chamber 21 actively or passively when air of other temperatures is input at the beginning of the temperature change test, so as to further meet the test requirements of improving the temperature change.

[0045] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical principles disclosed herein are intended to be covered by the claims of the present invention.

Claims

1. A temperature test device comprising an outer box, a temperature control mechanism, and a control panel, wherein the temperature control mechanism is provided in the outer box, the front side of the outer box being a door, and characterized in that: An adjustment mechanism is provided in the outer box; The outer box is a horizontal cylindrical structure as a whole. The regulating mechanism includes a placement box, a temperature changer and an air regulating ring. The placement box is arranged in the outer box. The number of the temperature changers is several and evenly arranged in the outer box. The air regulating ring is rotatably arranged between the temperature changer and the placement box. The placement box is a cylindrical structure with a test cavity in the middle. The air regulating ring is annular and is rotatably sealed between the placement box and the outer box. There is a gap between the air regulating ring and the placement box and is matched with a plurality of temperature changers for sliding seals. A notch is opened on one side of the air regulating ring and matches the position of the temperature changer. A main air inlet is opened on the upper side of the placement box and is connected to the gap between the air regulating rings.

2. A temperature test device according to claim 1, characterized in that: The placement box is further provided with a bypass air inlet on the side compared to the main air inlet.

3. A temperature test device according to claim 2, characterized in that: The outer box is provided with an air storage chamber, the temperature changer is arranged in the air storage chamber, the temperature changer includes a hinge, an air supply part, an insulation plate and an elastic pusher, the insulation plate is slidingly sealed and arranged in the air storage chamber, the hinge and the air supply part are connected to each other and are arranged between the upper inner wall of the air storage chamber and the insulation plate, the elastic pusher is arranged at the lower end of the insulation plate, and a floating valve matching the elastic pusher is provided at the notch of the air regulating ring.

4. A temperature test device according to claim 3, characterized in that: The hinged part includes a rotating device, a hinge rod and a connecting seat. There are two connecting seats, which are respectively arranged on the insulation plate and the upper inner wall of the air storage chamber. The hinge rod is hinged between the two connecting seats. The connecting seat on the insulation plate side is slidingly connected to the insulation plate along the axial direction of the hinge rod. The rotating device is arranged on the upper inner wall of the air storage chamber and is concentrically connected to the rotating shaft of the hinge rod. Both of the connecting seats are rotatably provided with an air pipe concentric with the rotating shaft of the hinge rod. The hinge rod is a hollow tube and is connected to the two air pipes. The air supply component is arranged at the upper end of the insulation plate and is connected to the air pipe at the insulation plate.

5. A temperature test device according to claim 4, characterized in that: The air supply component includes a fixed pipe and a sleeve. The fixed pipe is fixedly arranged on the upper end of the insulation board and the exhaust port is connected to the lower end of the insulation board. The sleeve is connected to the air pipe on the insulation board side and is connected to the fixed pipe sliding sealing air path.

6. A temperature test device according to claim 5, characterized in that: The floating valve includes a sealing plate and a push plate, which are integrally formed and have an I-shaped vertical cross-section. The sealing plate is slidingly and sealingly connected to the notch of the air regulating ring and the opening shape matches. The floating valve as a whole is elastically slidingly and sealingly connected to the air regulating ring up and down.

7. A temperature test device according to claim 6, characterized in that: An exhaust port communicating with the test cavity of the placement box is provided on the rear side of the outer box.

Images