High-pressure accelerated life testing machine

Abstract

The utility model discloses a high-pressure accelerated life testing machine. The high-pressure accelerated life testing machine comprises a testing machine body and a discharge port arranged at the front end of the testing machine body, an interlayer heat temperature difference circulating channel is arranged between the innermost wall and the secondary inner wall of the test machine body, a heating steam body is connected to the bottom of the interlayer heat temperature difference circulating channel, evaporated liquor is arranged at the position, close to the bottom, in the heating steam body, and a heating pipe is placed in the evaporated liquor. The heating pipe heats and evaporates the evaporation liquid to generate water vapor, the water vapor flows upwards to transfer heat to the outer side of the innermost wall of the test machine body for heat conduction, and the rest water vapor circulates along the layer heat temperature difference circulation channel to become water drops and flows back to the heating steam body again; compared with a traditional machine, the improved device has the advantages that condensate water on the surface of a tested product is minimum, the influence on the tested product is minimum, and compared with circulation of a fan in the same row, the heat convection circulation is better in uniformity, no mechanical structure equipment is more stable, and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field related to electronic processing and testing, and in particular relates to a high-voltage accelerated life testing machine. Background Art

[0002] High-voltage accelerated life tester is a device used for testing electronic products and chip packaging. However, the traditional structure can easily produce more condensation on the surface of the product during testing, and the uniformity of the circulation of the same fan is intersected, so it is easy to affect the test results. The improved interlayer heat temperature difference circulation channel between the innermost wall and the second inner wall of the test machine body is connected to a heating steam body at the bottom position of the layer heat temperature difference circulation channel, and an evaporating liquid is arranged near the bottom position inside the heating steam body. A heating tube is placed in the evaporating liquid. The heating tube heats and evaporates the evaporating liquid to generate water vapor, which flows upward and transfers heat to the outer side of the innermost wall of the test machine body for heat conduction. The remaining water vapor circulates along the layer heat temperature difference circulation channel and becomes water droplets and flows back to the heating steam body. Compared with the traditional machine, the improvement of the utility model has the advantages of least condensation on the surface of the test product, the least impact on the test product, and better uniformity than the circulation of the same fan and our thermal convection circulation, and more stable equipment without mechanical structure. Utility Model Content

[0003] The purpose of the utility model is to provide a high-voltage accelerated life testing machine to solve the problem that the traditional structure proposed in the above-mentioned background technology is easy to produce more condensation on the surface of the product during testing, and the uniformity of the circulation of the same fan is uneven, which is easy to affect the test results.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-voltage accelerated life test machine, comprising a test machine body and a discharge port disposed at the front end of the test machine body;

[0005] The interlayer heat temperature difference circulation channel between the innermost wall and the secondary inner wall of the test body is connected to a heating steam body at the bottom position of the interlayer heat temperature difference circulation channel, and an evaporative liquid is arranged inside the heating steam body near the bottom position, and a heating tube is placed in the evaporative liquid. The heating tube heats and evaporates the evaporative liquid to generate water vapor that flows upward and transfers heat to the outer side of the innermost wall of the test body for heat conduction, and the remaining water vapor circulates along the interlayer heat temperature difference circulation channel and turns into water droplets that flow back into the heating steam body.

[0006] Preferably, a main water pipe is provided at the right end of the heating steam body, and the main water pipe is in communication with the heating steam body.

[0007] Preferably, a control valve is provided on the main water pipe, and the control valve controls the on-off of the main water pipe.

[0008] Preferably, a transparent scale is provided at the front end of the heating steam body, the transparent scale is made of tempered glass material, and scale lines are marked on the transparent scale.

[0009] Preferably, a thin insulation layer of a mixed foam material made of rubber and polyvinyl chloride, a standard insulation layer of a sponge material, and a thickened insulation layer of cloth-wrapped rock wool and glass wool material are respectively provided on the outer side of the test body.

[0010] Preferably, a mounting base is provided at the bottom of the test body, and the mounting base is mounted and connected to the test body by screws.

[0011] Preferably, a mounting through hole is provided at the bottom of the mounting base, and the mounting base is mounted at a designated position by screws passing through the mounting through hole.

[0012] Preferably, a front cover is provided at the front end of the discharge port, vertical lines are provided on the outer side of the front cover, and the front cover is installed and connected to the discharge port by rotation.

[0013] Compared with the prior art, the utility model provides a high-voltage accelerated life tester, which has the following beneficial effects:

[0014] 1. In the high-pressure accelerated life tester, there is a layer of heat temperature difference circulation channel between the innermost wall and the secondary inner wall of the test machine body, and a heating steam body is connected to the bottom of the layer of heat temperature difference circulation channel. An evaporative liquid is arranged inside the heating steam body near the bottom. A heating tube is placed in the evaporative liquid. The heating tube heats and evaporates the evaporative liquid to generate water vapor, which flows upward and transfers heat to the outer side of the innermost wall of the test machine body for heat conduction. The remaining water vapor circulates along the layer of heat temperature difference circulation channel and turns into water droplets and flows back into the heating steam body. Compared with traditional machines, the improvement of the utility model has the advantages of least condensation on the surface of the test product, least impact on the test product, better uniformity and more stable equipment without mechanical structure compared with the circulation of fans in the same industry and our thermal convection circulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the high-voltage accelerated life testing machine of the utility model.

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the high-voltage accelerated life testing machine of the utility model.

[0017] Figure 3This is an enlarged structural diagram of the heating steam body of the high-pressure accelerated life testing machine of the utility model.

[0018] In the figure: 1. Test machine body; 2. Discharge port; 3. Front cover; 4. Mounting frame; 5. Mounting through hole; 6. Heating steam body; 7. Main water pipe; 8. Control valve; 9. Heat and temperature difference circulation channel; 10. Thin insulation layer; 11. Standard insulation layer; 12. Thick insulation layer; 13. Evaporating liquid; 14. Heating tube; 15. Transparent scale. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides Figure 1-3 As shown, a high-pressure accelerated life tester includes a test body 1 and a discharge port 2 arranged at the front end of the test body 1; an interlayer heat temperature difference circulation channel 9 between the innermost wall and the secondary inner wall of the test body 1, a heating steam body 6 is connected at the bottom position of the interlayer heat temperature difference circulation channel 9, an evaporating liquid 13 is arranged inside the heating steam body 6 near the bottom position, a heating tube 14 is placed in the evaporating liquid 13, the heating tube 14 heats and evaporates the evaporating liquid 13 to generate water vapor that flows upward to transfer heat to the outer side of the innermost wall of the test body 1 for heat conduction, and the remaining water vapor circulates along the interlayer heat temperature difference circulation channel 9 and turns into water droplets and flows back into the heating steam body 6. Compared with traditional machines, the improvement of the utility model has the advantages of least condensation on the surface of the test product, least impact on the test product, better uniformity compared with the circulation of fans in the same industry and our thermal convection circulation, and more stable equipment without mechanical structure.

[0021] like Figure 3 As shown, a main water pipe 7 is arranged at the right end of the heating steam body 6, and the main water pipe 7 is connected to the heating steam body 6. A control valve 8 is arranged on the main water pipe 7, and the control valve 8 controls the on-off of the main water pipe 7. The main water pipe 7 is used to connect with an external water pipe for water injection, and the control valve 8 can control the on-off to prevent water from overflowing.

[0022] like Figure 3 As shown, a transparent scale 15 is provided at the front end of the heating steam body 6. The transparent scale 15 is made of tempered glass material and has graduation lines marked on it. The transparent scale 15 facilitates the user to observe the amount of water injected, thereby facilitating the control of the amount of water injected.

[0023] like Figure 3 As shown, a thin insulation layer 10 of a mixed foam material made of rubber and polyvinyl chloride, a standard insulation layer 11 of sponge material, and a thickened insulation layer 12 of cloth-wrapped rock wool and glass wool material are respectively provided on the outer side of the test body 1. The three-layer insulation can effectively reduce heat exchange with the outside, thereby better saving resources.

[0024] like Figure 1 As shown, a mounting base 4 is provided at the bottom of the test body 1, and the mounting base 4 is mounted and connected to the test body 1 by screws. A mounting through hole 5 is provided at the bottom of the mounting base 4, and the mounting base 4 is installed at a designated position by screws passing through the mounting through hole 5. The mounting base 4 is used to support the test body 1 so that it maintains a certain distance from the installation site, so that the heating steam body 6 is easy to install.

[0025] like Figure 1 As shown, a front cover 3 is provided at the front end of the discharge port 2, vertical lines are provided on the outer side of the front cover 3, the front cover 3 is installed and connected to the discharge port 2 by rotation, and vertical lines are provided at the side of the front cover 3, which can increase the friction between the front cover 3 and the user's hand, thereby facilitating rotation.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high voltage accelerated life tester, comprising: The test machine body (1) and the front end of the test machine body (1) are provided with a discharge port (2); Features: The test body (1) has an interlayer heat temperature difference circulation channel (9) between the innermost wall and the secondary inner wall. The bottom of the interlayer heat temperature difference circulation channel (9) is connected to a heating steam body (6). An evaporating liquid (13) is arranged inside the heating steam body (6) near the bottom. A heating pipe (14) is placed in the evaporating liquid (13). The heating pipe (14) heats and evaporates the evaporating liquid (13) to generate water vapor, which flows upward and transfers heat to the outer side of the innermost wall of the test body (1) for heat conduction. The remaining water vapor circulates along the interlayer heat temperature difference circulation channel (9) and turns into water droplets and flows back into the heating steam body (6).

2. A high voltage accelerated life testing machine according to claim 1, characterized in that: A main water pipe (7) is provided at the right end of the heating steam body (6), and the main water pipe (7) is in communication with the heating steam body (6).

3. A high voltage accelerated life testing machine according to claim 2, characterized in that: A control valve (8) is arranged on the main water pipe (7), and the control valve (8) controls the on and off of the main water pipe (7).

4. The high voltage accelerated life testing machine according to claim 1, characterized in that: A transparent scale (15) is arranged at the front end of the heating steam body (6); the transparent scale (15) is made of tempered glass material and has scale lines marked on it.

5. The high voltage accelerated life testing machine according to claim 1, characterized in that: A thin insulation layer (10) made of a mixed foam material of rubber and polyvinyl chloride, a standard insulation layer (11) of sponge material, and a thickened insulation layer (12) of cloth-wrapped rock wool and glass wool material are respectively arranged on the outer side of the test machine body (1).

6. The high voltage accelerated life testing machine according to claim 1, characterized in that: A mounting base (4) is provided at the bottom of the test machine body (1), and the mounting base (4) is mounted and connected to the test machine body (1) via screws.

7. A high voltage accelerated life testing machine according to claim 6, characterized in that: A mounting through hole (5) is provided at the bottom of the mounting base (4), and the mounting base (4) is mounted at a designated position by screws passing through the mounting through hole (5).

8. The high voltage accelerated life testing machine according to claim 1, characterized in that: A front cover (3) is provided at the front end of the discharge port (2), and vertical lines are provided on the outside of the front cover (3). The front cover (3) is installed and connected to the discharge port (2) by means of rotation.

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