Ultrahigh and low temperature test box glass window structure
By using a combination of high-temperature resistant glass components and vacuum-insulated glass components in the ultra-high and low temperature test chamber, the problem of poor heat insulation effect of traditional window structures at high temperatures is solved, and the high-temperature resistance performance is improved.
Patent Information
- Application Number
- CN202520126825.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Traditional glass window structures have poor heat insulation performance in ultra-high and low temperature test chambers, the sealant is prone to vulcanization and the solder joints are easy to fall off, which cannot meet the requirements of high temperature use.
It adopts a combination structure of high-temperature resistant glass components and vacuum heat-insulating glass components. The high-temperature resistant glass components are cooled layer by layer from the inside to the outside and are connected by thermal break connectors. The vacuum heat-insulating glass components are at least 10mm apart from the outer glass.
It achieves excellent heat insulation, avoids the adverse effects of ultra-high temperature on vacuum insulated glass components, and ensures the high temperature resistance of the window structure.
Smart Images
Figure CN223774861U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of test boxes, in particular to a glass window structure of an ultrahigh-low temperature test box. BACKGROUND
[0002] The ultrahigh-low temperature test box is mainly used for simulating temperature changes under different extreme severe environment conditions, and the performance and reliability of an object under test under extreme temperature conditions are evaluated by alternately applying high and low temperatures to the object.
[0003] A traditional glass window is a three-layer vacuum heat-generating glass structure, which adopts three layers of vacuum, internally clamps an aluminum strip, applies a conductive heating strip on the edge of the glass, and then fills and seals the glass. The sealed glass glue can withstand a maximum temperature of 220 DEG C for a long time, the soldering points of the film-coated heating strip on the glass are connected with solder and high-temperature wires, and the maximum temperature resistance is between 270 DEG C and 320 DEG C. The temperature inside the test box body is -100 DEG C to +500 DEG C. The traditional glass window structure has poor heat insulation effect under the temperature condition, the sealing glue in the structure is vulcanized, and the soldering points are prone to fall off, and the use requirement under high temperature cannot be met. CONTENT OF THE INVENTION
[0004] The application aims to provide a glass window structure of an ultrahigh-low temperature test box, which aims to reduce the adverse effects of the ultrahigh temperature of the test box on the glass window.
[0005] The glass window structure of the ultrahigh-low temperature test box comprises a test box body, a window is arranged on a door of the test box body, the window comprises a window opening, the window opening is arranged through the door, and the window opening comprises a first mounting cavity and a second mounting cavity arranged in sequence from inside to outside. A high-temperature-resistant glass assembly is arranged in the first mounting cavity, and the high-temperature-resistant glass assembly is connected to the first mounting cavity away from the second mounting cavity through a heat insulation connecting piece. A vacuum heat insulation glass assembly is arranged in the second mounting cavity.
[0006] In some embodiments, the first mounting cavity comprises first and second fixing members, the end portions of the first and second fixing members are connected to each other and connected to the window opening, the middle portions of the first and second fixing members are hollow and provided with through holes, and the middle portion of the second fixing member extends into the second mounting cavity.
[0007] In some embodiments, the high-temperature-resistant glass assembly comprises an inner glass and an outer glass, the inner glass is connected to the first fixing member and comprises at least two pieces, the adjacent inner glasses are connected to each other through the heat insulation connecting piece, and the outer glass is connected to the second fixing member and is provided with a spacing distance from the outermost inner glass.
[0008] In some embodiments, the second mounting cavity is in a stepped shape.
[0009] In some embodiments, the vacuum insulated glass assembly is arranged on the side of the second mounting cavity away from the first mounting cavity, and is connected with the second mounting cavity through the third fixing member.
[0010] In some embodiments, the interval distance between the vacuum insulated glass assembly and the outer glass is not less than 10mm.
[0011] Advantages of the present application:
[0012] The present application adds a high-temperature-resistant glass assembly on the side of the vacuum insulated glass assembly close to the inside of the box, and the high-temperature-resistant glass assembly is arranged between each glass, so that the temperature in the window decreases layer by layer from the inside to the outside, avoiding the adverse effects of ultra-high temperature on the vacuum insulated glass assembly, and at the same time, the window structure has good heat insulation effect. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is a structural front view of the test box provided by the embodiments of the present application.
[0014] Figure 2 is Figure 1 the A-A cross-sectional view in
[0015] Figure 3 is Figure 2 the structural enlarged view of C in
[0016] Figure 4 is Figure 1 the B-B cross-sectional view in
[0017] Figure 5 is Figure 4 the structural enlarged view of D in
[0018] Reference signs:
[0019] 1, first mounting cavity; 11, first fixing member; 12, second fixing member;
[0020] 2, second mounting cavity
[0021] 3, high-temperature-resistant glass assembly; 31, inner glass; 32, outer glass;
[0022] 4, heat insulation connecting member
[0023] 5, vacuum insulated glass assembly;
[0024] 6, third fixing member. DETAILED DESCRIPTION
[0025] In order to make the purposes, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not intended to limit the present application.
[0026] It should be noted that although the functional modules are divided in the device schematic diagram, and the logical sequence is shown in the flowchart, in some cases, the steps shown or described can be performed in a manner different from the module division in the device or the sequence in the flowchart. The terms "first", "second", etc. in the specification and claims and the above-described drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence.
[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used herein are only for the purpose of describing the embodiments of the present application and are not intended to limit the present application.
[0028] The embodiments of the present application provide a glass window structure of an ultra-high temperature test chamber, which aims to reduce the adverse effects of the ultra-high temperature of the test chamber on the glass window. Figure 1 As shown in the figure, it comprises a test chamber body, one side of which is provided with a chamber door rotatably connected thereto, and a window for observing the internal condition of the test chamber body is arranged on the chamber door.
[0029] As shown in the figures, Figure 2 and Figure 4 The window comprises a window opening, which is arranged through the chamber door and comprises a first mounting cavity 1 and a second mounting cavity 2. The first mounting cavity 1 is arranged on the inner side of the window opening, and the second mounting cavity 2 is arranged on the outer side of the window opening. A high-temperature-resistant glass assembly 3 is arranged in the first mounting cavity 1, and a vacuum heat-insulating glass assembly 5 is arranged in the second mounting cavity 2.
[0030] As shown in the figures, Figure 3 and Figure 5 The first mounting cavity 1 comprises a first fixing member 11 and a second fixing member 12. The end portions of the first fixing member 11 and the second fixing member 12 are connected to each other and connected to the window opening. The middle portions of the first fixing member 11 and the second fixing member 12 are hollow for mounting the high-temperature-resistant glass assembly 3. Through holes for observation are further arranged at corresponding positions of the middle portions of the first fixing member 11 and the second fixing member 12. The size of the through holes is smaller than the size of the glass in the high-temperature-resistant glass assembly 3. The middle portion of the second fixing member 12 extends into the second mounting cavity 2.
[0031] The high-temperature-resistant glass assembly 3 comprises inner glass 31 and outer glass 32, the inner glass 31 is connected with the first fixing part, and at least comprises two pieces, the adjacent inner glass 31 is provided with a spacing and is connected with each other through the heat insulation connecting part 4, and the outer glass 32 is connected with the second fixing part 12, and a spacing distance is provided between the outer glass 32 and the outermost inner glass 31.
[0032] In the embodiment, the inner glass 31 and the outer glass 32 are both high-temperature-resistant special tempered glass, the temperature resistance of the glass is within 800 DEG C, the heat conduction coefficient is 0.8-15 W / m·K, when the temperature in the test box body reaches 500 DEG C, the air temperature between the two inner glass 31 is about 400 DEG C, the air temperature between the inner glass 31 and the outer glass 32 is about 280 DEG C, and the air temperature between the outer glass 32 and the vacuum heat insulation glass assembly 5 is about 160 DEG C. The temperature is within the bearing range of the vacuum heat insulation glass assembly 5, and does not affect normal use.
[0033] The second installation cavity 2 is in a stepped shape which is gradually contracted from inside to outside. The second fixing part 12 is located in the inner side of the second installation cavity 2, and the vacuum heat insulation glass assembly 5 is located on the outer side of the second installation cavity 2, that is, away from the first installation cavity 1 side, and is connected with the second installation cavity 2 through the third fixing part 6. The spacing distance between the vacuum heat insulation glass assembly 5 and the outer glass 32 is not less than 10 mm.
[0034] The application adds the high-temperature-resistant glass assembly 3 close to the inner side of the box body, the high-temperature-resistant glass assembly 3 is arranged between the glass, the heat insulation connecting part 4 is used for heat insulation at the connecting part, the temperature in the window is gradually reduced from inside to outside, the effect of layer-by-layer heat insulation and cooling is achieved, the adverse effects of superhigh temperature on the vacuum heat insulation glass assembly 5 are avoided, and the window structure has good heat insulation effect.
[0035] The exemplary embodiments of the present disclosure are specifically shown and described above. It should be understood that the present disclosure is not limited to the detailed structure, arrangement or implementation method described herein; on the contrary, the present disclosure is intended to cover various modifications and equivalent arrangements included in the spirit and scope of the appended claims.
Claims
1. The structure of the glass window of the ultra-high-low temperature test chamber, comprising a test chamber body, a window is arranged on the door of the test chamber body, characterized in that: The window comprises a window arranged through the box door, which comprises a first mounting cavity and a second mounting cavity arranged in sequence from inside to outside, the first mounting cavity is provided with a high-temperature-resistant glass assembly, and the high-temperature-resistant glass assembly is connected with the first mounting cavity away from the second mounting cavity through a heat insulation connecting piece; the second mounting cavity is provided with a vacuum heat insulation glass assembly.
2. The glass viewing window structure for a super-high-low-temperature test chamber according to claim 1, characterized by, The first mounting cavity comprises a first fixing piece and a second fixing piece, the end portions of the first fixing piece and the second fixing piece are connected with each other and connected with the window, the middle portions of the first fixing piece and the second fixing piece are hollow and provided with through holes, and the middle portion of the second fixing piece extends into the second mounting cavity.
3. The glass viewing window structure for ultra-low-temperature test chamber according to claim 1, characterized in that, The high-temperature-resistant glass assembly comprises an inside glass and an outside glass, the inside glass is connected with the first fixing piece and comprises at least two pieces, the adjacent inside glasses are connected with each other through the heat insulation connecting piece, and the outside glass is connected with the second fixing piece and provided with a spacing distance from the outermost inside glass.
4. The glass viewing window structure for ultra-low-temperature test chamber according to claim 1, characterized in that, The second mounting cavity is in a stepped shape.
5. The glass viewing window structure for ultra-low-temperature test chamber according to claim 1, wherein The vacuum heat insulation glass assembly is arranged on the side of the second mounting cavity away from the first mounting cavity and connected with the second mounting cavity through a third fixing piece.
6. The glass viewing window structure for ultra-low-temperature test chamber according to claim 1, characterized in that, The spacing distance between the vacuum heat insulation glass assembly and the outside glass is not less than 10 mm.