Observation window structure and high-temperature test box
By setting a heat insulation layer and a multi-layer heat insulation structure between the vacuum anti-fog glass and the tempered glass, the problem of easy damage to the vacuum anti-fog glass at high temperatures is solved, achieving clear observation and safety in high-temperature environments.
Patent Information
- Application Number
- CN202520335293.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing vacuum anti-fog glass is prone to softening or melting in high-temperature environments, which can damage the observation window and affect experimental observation and safety.
A first heat insulation layer is placed between the vacuum anti-fog glass and the tempered glass, and the heat transfer is blocked by the observation window structure composed of the frame assembly and multiple heat insulation layers, thereby reducing the heat of the vacuum anti-fog glass.
It effectively avoids deformation and damage to the vacuum anti-fog glass, ensuring clear observation of experimental samples during the experiment and reducing safety hazards.
Smart Images

Figure CN223952529U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to test equipment technical field especially, and it is a kind of observation window structure and high temperature test box. BACKGROUND
[0002] In numerous industrial production, scientific research experiment and special application scene, the performance requirement of glass is increasingly strict. Vacuum anti-fog glass is widely used in optical instrument observation window, high temperature experimental equipment view window and some high temperature places with high requirement on environmental clarity due to its unique vacuum structure and anti-fog characteristics.
[0003] However, the common vacuum anti-fog glass on the market has serious defects when facing high temperature environment above 200 DEG C, that is, it is difficult to withstand such high temperature and melt. When the vacuum anti-fog glass is applied to the observation window of the high temperature test box, the vacuum anti-fog glass may gradually soften or even melt due to high temperature when the temperature in the test box is too high, resulting in damage to the observation window. Not only affect the real-time observation of the internal situation of the test box by the operator, cannot meet the clear observation demand of experimental sample in experimental process, but also may cause safety hazard. UTILITY MODEL CONTENT
[0004] Therefore, the purpose of the utility model is to provide an observation window structure and high temperature test box. By setting the first heat insulation layer between the vacuum anti-fog glass and the tempered glass, the heating of the vacuum anti-fog glass can be effectively reduced, and the deformation and other abnormalities of the vacuum anti-fog glass caused by high temperature can be avoided, so as to meet the clear observation demand of experimental sample in experimental process.
[0005] An observation window structure comprises:
[0006] A test box body, a wall body of which is provided with an observation window;
[0007] A window body assembly embedded in the observation window for observing the inside of the test box body; the window body assembly comprises a frame assembly, a glass assembly and a heat insulation assembly;
[0008] The frame assembly comprises a first frame embedded on the side of the observation window close to the inside of the test box body;
[0009] The glass assembly comprises a vacuum anti-fog glass and a tempered glass spaced and sealedly embedded in the first frame, the tempered glass is arranged close to the inside of the test box body, and the vacuum anti-fog glass is arranged close to the outside of the test box body;
[0010] The heat insulation assembly comprises a first heat insulation layer sandwiched between the vacuum anti-fog glass and the tempered glass.
[0011] Further, the wall body of the test chamber body comprises an inner wall plate, an outer wall plate and a thermal insulation layer sandwiched between the inner wall plate and the outer wall plate.
[0012] Further, the frame assembly further comprises a second frame, which is arranged between the first frame and the outer wall plate.
[0013] Further, the second frame is provided with a second extension part near one end of the first frame, which is arranged to extend outwardly from the observation window parallel to the plane of the observation window; the first frame is provided with a first extension part near one end of the second frame, which is arranged to extend inwardly from the observation window parallel to the plane of the observation window; the normal projection of the second extension part and the first extension part on the plane of the observation window at least partially overlaps.
[0014] Further, the first frame side wall is provided with an integrally formed buckle, and the edge of the vacuum anti-fog glass is clamped between the buckle and the first extension part.
[0015] Further, the thermal insulation assembly further comprises a second thermal insulation layer, which is sandwiched between the second extension part and the first extension part.
[0016] Further, the thermal insulation assembly further comprises a third thermal insulation layer, which is sandwiched between the inner wall plate and the first frame.
[0017] Further, the window assembly further comprises a bottom plate arranged on the inner side of the observation window.
[0018] The thermal insulation assembly further comprises a fourth thermal insulation layer, which is sandwiched between the bottom plate and the inner wall plate.
[0019] Further, the thermal insulation assembly further comprises a fifth thermal insulation layer, which is sandwiched between the second frame and the outer wall plate.
[0020] A high-temperature test chamber, comprising the observation window structure.
[0021] The beneficial effects of the present application are as follows:
[0022] (1) By arranging the first thermal insulation layer between the vacuum anti-fog glass and the tempered glass, the heating of the vacuum anti-fog glass can be effectively reduced, and the deformation and other abnormalities of the vacuum anti-fog glass caused by high temperature can be avoided.
[0023] (2) By arranging the second frame between the first frame and the outer wall plate, the heat conduction to the outside of the test chamber body is reduced.
[0024] (3) The first extension part and the buckle position which are integrally formed in the first frame are arranged, so that the positioning and installation of the vacuum anti-fog glass are facilitated;
[0025] (4) The heat insulation layers are arranged between the layers of the observation window structure, so that the heat conduction between the layers is blocked from inside to outside, and the heat transmission from the test box body to the outside is effectively avoided.
[0026] In order to better understand and implement, the utility model is described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 A high-temperature test box provided by the embodiment of the application is shown in the figure;
[0028] Figure 2 A structure schematic view of an observation window structure provided by the embodiment of the application is shown in the figure;
[0029] Figure 3 A partial enlarged view I of the observation window structure is shown in the figure; Figure 2
[0030] A partial enlarged view II of the observation window structure is shown in the figure; Figure 4 Figure 2 A structure schematic view of a frame assembly is shown in the figure.
[0031] Figure 5 In the figure: 10-test box body; 11-wall body; 111-inner wall plate; 112-outer wall plate; 113-heat preservation layer; 12-observation window; 20-window assembly; 21-frame assembly; 211-first frame; 2111-first extension part; 2112-buckle position; 212-second frame; 2121-second extension part; 221-first heat insulation layer; 222-second heat insulation layer; 223-third heat insulation layer; 224-fourth heat insulation layer; 225-fifth heat insulation layer; 23-glass assembly; 231-vacuum anti-fog glass; 232-tempered glass; 24-bottom plate; 25-pressing plate. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.
[0034] In the description of the utility model, it needs to be explained that, the orientation or position relation indicated by the terms "vertical direction", "upper", "lower", "horizontal" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0035] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0036] Please refer to Figures 1-5 The embodiment of the application provides a kind of observation window structure, comprising: test box body 10, and window assembly 20 on the wall body 11 of test box body 10, the test situation in the test box is observed by the window assembly 20. Specifically, the wall body 11 of test box body 10 is provided with observation window 12;Window assembly 20 is embedded in the observation window 12, for observing the inside of the test box body 10. Window assembly 20 includes frame assembly 21, glass assembly 23 and heat insulation assembly. It can be understood that the wall body 11 can be the side wall of test box body 10, can also be the door of test box body 10, and does not constitute the limitation to the embodiment of the application.
[0037] Further, in some embodiments, the frame assembly 21 is provided with a first frame 211, which is embedded on the side close to the inside of the test box body 10 at the observation window 12. The glass assembly 23 includes a vacuum anti-fog glass 231 and a tempered glass 232 which are spaced and sealedly embedded in the first frame 211. Specifically, the tempered glass 232 is arranged close to the inside of the test box body 10, and the vacuum anti-fog glass 231 is arranged close to the outside of the test box body 10. The heat insulation assembly is provided with a first heat insulation layer 221, which is clamped between the vacuum anti-fog glass 231 and the tempered glass 232 to block the heat transfer from the inside of the test box body 10 to the vacuum anti-fog glass 231. At the same time, the first heat insulation layer 221, the vacuum anti-fog glass 231 and the tempered glass 232 form a sealed heat insulation chamber, further blocking the heat transfer.
[0038] Further, the first thermal insulation layer 221 is a stone wool board, rock wool board or ceramic fiber board with a certain thickness. It should be noted that if the thickness of the first thermal insulation layer 221 is too large, the thickness of the wall body 11 will be too thick, and if the thickness of the first thermal insulation layer 221 is too small, the heat blocking effect of the thermal insulation chamber between the vacuum fog-proof glass 231 and the tempered glass 232 will not be good enough. As a preferred, the thickness of the first thermal insulation layer 221 is 13-20mm, within this range, the size of the test box body 10 can be ensured while a better thermal insulation effect is ensured. It can be understood that the first thermal insulation layer 221 can be a single layer of thermal insulation or a plurality of layers of thermal insulation stacked together.
[0039] Further, the wall body 11 includes an inner wall plate 111, an outer wall plate 112, and a thermal insulation layer 113 sandwiched between the inner wall plate 111 and the outer wall plate 112, which is used to insulate the heat exchange between the inside and outside of the test box body 10 to ensure that the inside of the test box can achieve precise temperature control.
[0040] Further, in some embodiments, the frame assembly 21 further includes a second frame 212, which is arranged between the first frame 211 and the outer wall plate 112, and is used to form a certain safety distance between the vacuum fog-proof glass 231 and the outer wall plate 112.
[0041] Please refer to Figures 2-5 Further, in some embodiments, the second frame 212 is provided with a second extension part 2121 at one end close to the first frame 211, which is arranged to extend outwardly from the plane of the observation window 12; the first frame 211 is provided with a first extension part 2111 at one end close to the second frame 212, which is arranged to extend inwardly from the plane of the observation window 12, and the second extension part 2121 and the first extension part 2111 at least partially overlap in the orthographic projection on the plane of the observation window 12, so that the second frame 212 can abut against the first frame 211 to support the first frame 211.
[0042] Further, in some embodiments, the side wall of the first frame 211 is provided with a buckle 2112, the edge of the vacuum fog-proof glass 231 is buckled into the first frame 211 through the buckle 2112 and is fixed between the buckle 2112 and the first extension part 2111, and then a sealant is arranged in the installation gap between the vacuum fog-proof glass 231 and the first frame 211 to realize sealed connection. As an example, the buckle 2112 is an elastic arm buckle 2112 integrally formed with the first frame 211, and the vacuum fog-proof glass 231 is buckled into the first frame 211 by elastic extrusion to deform the buckle 2112, so as to simplify the structure of the first frame 211 and facilitate the positioning and installation of the vacuum fog-proof glass 231.
[0043] Further, in some embodiments, the heat insulation assembly further comprises a second heat insulation layer 222, which is arranged between the second extension part 2121 and the first extension part 2111, so as to reduce the heat conduction to the second frame 212 close to the outside of the test chamber body 10, and avoid heat overflow. Similarly, in some embodiments, the heat insulation assembly further comprises a third heat insulation layer 223, which is arranged between the inner wall plate 111 and the first frame 211, so as to avoid the direct contact between the inner wall plate 111 and the first frame 211, reduce the heating of the first frame 211, and further reduce the heating of the vacuum anti-fog glass 231 embedded in the inside of the first frame 211.
[0044] Referring to Figure 2 In some embodiments, the window assembly 20 further comprises a bottom plate 24 abutting the inner side of the observation window 12. The heat insulation assembly further comprises a fourth heat insulation layer 224 arranged between the bottom plate 24 and the inner wall plate 111, so as to avoid the direct contact between the bottom plate 24 and the inner wall plate 111. The observation window structure is further provided with a pressing plate 25 located at the innermost side of the window assembly 20, for finally fixing the window assembly 20 to the wall 11 of the test chamber body 10.
[0045] Similarly, in some embodiments, the heat insulation assembly further comprises a fifth heat insulation layer 225 arranged between the second frame 212 and the outer wall plate 112, so as to reduce the heat conduction between the second frame 212 and the outer wall plate 112.
[0046] It can be understood that the plurality of heat insulation layers of the heat insulation assembly are all asbestos boards, rock wool boards or ceramic fiber boards with a certain thickness, which block the heat conduction between the components from the inside to the outside, can effectively avoid the heat transfer from the inside of the test chamber body 10 to the outside, can further reduce the heating of the vacuum anti-fog glass 231, and can also reduce the heat transferred to the outside of the test chamber body 10, so as to avoid affecting the observation of the test situation in the test chamber body 10 by the operator through the observation window structure.
[0047] Referring to Figures 1-5 The embodiments of the present application also provide a high-temperature test chamber provided with an observation window structure, which can meet the clear observation requirement of the experimental sample in the high-temperature test process.
[0048] Compared with the prior art, the beneficial effects of the embodiments of the present application are as follows:
[0049] (1) By arranging the first heat insulation layer between the vacuum anti-fog glass and the tempered glass, the heating of the vacuum anti-fog glass can be effectively reduced, and the deformation and other abnormalities of the vacuum anti-fog glass caused by high temperature can be avoided;
[0050] (2) by setting between the first frame and the outer wall plate second frame, reduce heat conduction to close to the test box body outside;
[0051] (3) by setting in the first frame integral first extension and buckle, facilitate the positioning and installation of vacuum anti-fog glass;
[0052] (4) the observation window structure between each layer component are all set up heat insulation layer for effective heat insulation, from inside to outside of the barrier between each component heat conduction, can effectively avoid the heat from the test box body to the outside transport.
[0053] The above-mentioned embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, and the present application also intends to include these changes and modifications.
Claims
1. An observation window structure, characterized by, The utility model relates to a kind of observation window structures of test box, including: Test box body (10), wall body (11) is opened with observation window (12); Window body assembly (20) is embedded in the observation window (12), for observing the inside of the test box body (10);The window body assembly (20) includes frame assembly (21), glass assembly (23) and heat insulation assembly; The frame assembly (21) includes first frame (211), and the first frame (211) is embedded in the observation window (12) near the inside of the test box body (10) side; The glass assembly (23) includes spaced and sealedly embedded in the first frame (211) vacuum anti-fog glass (231) and toughened glass (232), and the toughened glass (232) is arranged near the inside of the test box body (10) side, and the vacuum anti-fog glass (231) is arranged near the outside of the test box body (10) side; The heat insulation assembly includes first heat insulation layer (221), and the first heat insulation layer (221) is clamped between the vacuum anti-fog glass (231) and toughened glass (232).
2. The observation window structure of claim 1, wherein: The wall body (11) includes inner wall plate (111), outer wall plate (112) and heat preservation layer (113) clamped between the inner wall plate (111) and the outer wall plate (112).
3. The observation window structure of claim 2, wherein: The frame assembly (21) further includes second frame (212), and the second frame (212) is arranged between the first frame (211) and the outer wall plate (112).
4. The observation window structure of claim 3, wherein: The second frame (212) is provided with second extension part (2121) near one end of the first frame (211), and the second extension part (2121) is arranged to extend outward of the observation window (12) parallel to the plane of the observation window (12);The first frame (211) is provided with first extension part (2111) near one end of the second frame (212), and the first extension part (2111) is arranged to extend inward of the observation window (12) parallel to the plane of the observation window (12);The second extension part (2121) and the first extension part (2111) at least partially overlap in orthographic projection on the plane of the observation window (12).
5. The observation window structure of claim 4, wherein: The side wall of the first frame (211) is provided with an integrally formed buckle (2112), and the edge of the vacuum anti-fog glass (231) is clamped between the buckle (2112) and the first extension part (2111).
6. The observation window structure of claim 5, wherein: The heat insulation assembly further includes second heat insulation layer (222), and the second heat insulation layer (222) is clamped between the second extension part (2121) and the first extension part (2111).
7. The structure of a viewing window according to claim 6, characterized in that: the heat insulation assembly further comprises a third heat insulation layer (223) which is sandwiched between the inner wall plate (111) and the first frame (211).
8. The structure of a viewing window according to claim 2, characterized in that: the window assembly (20) further comprises a bottom plate (24) which is arranged at the inner side of the viewing window (12); the heat insulation assembly further comprises a fourth heat insulation layer (224) which is sandwiched between the bottom plate (24) and the inner wall plate (111).
9. The structure of a viewing window according to claim 3, characterized in that: the heat insulation assembly further comprises a fifth heat insulation layer (225) which is sandwiched between the second frame (212) and the outer wall plate (112).
10. A high temperature test chamber characterized by, including: the structure of a viewing window according to any one of claims 1-9.