Internal sealing device of spectrograph

Abstract

The utility model provides an internal sealing device of a spectrograph, and belongs to the technical field of spectrometers. The spectrograph internal sealing device comprises a shell, wherein the shell comprises a cavity A and a cavity B; the cover plate is detachably arranged at the top end of the shell, and the cover plate is configured to be used for sealing and isolating the interior of the shell from the outside; the sealing isolation assembly is arranged in the shell and is connected with at least one of the shell and the cover plate through a screw; the cover plate and the sealing and isolating assembly are configured to be used for sealing and isolating the cavity A and the cavity B. The spectrograph internal sealing device is simple in structure and good in sealing effect, the sealing isolation assembly is convenient to disassemble and replace, and the spectrograph is convenient to use.

Description

Technical Field

[0001] The present disclosure relates to the technical field of spectroscopic instruments, and particularly to an internal sealing device for a spectrometer. Background Art

[0002] A spectrometer is a precision optical instrument based on grating spectroscopy, which performs optical analysis by converting optical signals into electrical signals through sensors. The heat generated by the operation of the components in the circuit itself will affect the data quality. Therefore, most high-precision sensors in spectrometers often add a refrigeration module by themselves or externally to ensure obtaining data of the best quality. However, when the refrigeration module is cooling, it will condense the water vapor in the air, attach to the circuit and burn out the circuit board, or condense on the lens and affect the optical path. Therefore, it is necessary to seal the inside and outside of the spectrometer.

[0003] In the prior art, a window piece is used in cooperation with a sealing ring, and is directly pressed on the structural member by screws, and then the surrounding is sealed with a sealing glue. However, due to the one-sided extrusion of the window piece for sealing, the sealing effect of the spectrometer is poor, and when dealing with a relatively thin window piece, the window piece is easily broken, and it is not easy to disassemble and replace after the window piece is damaged. The disassembly process is cumbersome, and the spectrometer is inconvenient to use.

[0004] Therefore, an improved internal sealing device for a spectrometer is provided. Utility Model Content

[0005] The purpose of the present disclosure is to overcome the above-mentioned deficiencies of the prior art, and provide an internal sealing device for a spectrometer, which realizes improving the sealing effect of the spectrometer, the window piece is not easily damaged and is convenient to disassemble and replace, and the spectrometer is convenient to use.

[0006] To achieve the above-mentioned utility model purpose, the present disclosure adopts the following technical solutions:

[0007] An internal sealing device for a spectrometer, comprising:

[0008] A housing, the housing comprising chamber A and chamber B;

[0009] A cover plate, detachably disposed at the top of the housing, the cover plate being configured to seal off the interior of the housing from the outside;

[0010] A sealing and isolating assembly, disposed inside the housing and connected to at least one of the housing and the cover plate by screws;

[0011] The cover plate and the sealing and isolating assembly are configured to seal off chamber A and chamber B.

[0012] In an exemplary embodiment of the present disclosure, the sealing and isolating assembly includes:

[0013] A fixing member is provided between the chamber A and the chamber B, and a window is provided on the fixing member;

[0014] A window sheet, configured as a transparent window sheet, is disposed within the fixing member, and the window sheet is used to seal the window;

[0015] A pressing plate is disposed within the fixing member. The pressing plate is annular, and the window sheet is located between the fixing member and the pressing plate;

[0016] At least one screw, configured to connect the fixing member and the pressing plate.

[0017] In an exemplary embodiment of the present disclosure, the sealing and isolating assembly further includes:

[0018] Two first O-rings, configured as such;

[0019] One of the first O-rings is located between the window sheet and the fixing member to isolate and seal the window sheet and the fixing member;

[0020] The other first O-ring is located between the window sheet and the pressing plate to isolate and seal the window sheet and the pressing plate.

[0021] In an exemplary embodiment of the present disclosure, a second O-ring is provided on the pressing plate, and the second O-ring is located between the pressing plate and the chamber A to isolate and seal the pressing plate and the chamber A.

[0022] In an exemplary embodiment of the present disclosure, a fixing plate is provided at the bottom end of the fixing member. At least one first screw hole is provided on the fixing plate, and the screw connects the housing and the fixing member through the first screw hole;

[0023] At least one second screw hole is provided at the top end of the fixing member, and the screw connects the cover plate and the fixing member through the second screw hole.

[0024] In an exemplary embodiment of the present disclosure, a groove is provided at the top end of the fixing member, and a foamed cotton is disposed within the groove. The foamed cotton is configured to seal and isolate the cover plate and the fixing member.

[0025] In an exemplary embodiment of the present disclosure, the material of the foamed cotton is silica gel.

[0026] In an exemplary embodiment of the present disclosure, it further includes:

[0027] A third O-ring is provided between the housing and the cover plate, and the O-ring is configured to seal and isolate the housing and the cover plate;

[0028] At least one screw, configured to connect the housing and the cover plate.

[0029] Advantages of the present disclosure:

[0030] (1) The internal sealing device of the spectrometer presses the transparent window sheet on the window sheet fixing member through a pressing plate, and the two are isolated and sealed by a first O-ring, and locked with screws to form a window sealing and isolating assembly, realizing the opposite sealing on both sides of the transparent window sheet. The window sheet is not easily damaged, the sealing effect is good, and the service life of the window sheet is improved.

[0031] (2) The internal sealing device of the spectrometer realizes the complete sealing and isolation of the internal chamber A and chamber B of the spectrometer through the cooperation of the sealing and isolating assembly and the cover plate; through the cooperation of the housing and the cover plate, the internal part of the spectrometer is integrally isolated and sealed from the outside, improving the sealing effect of the spectrometer.

[0032] (3) The sealing and isolating assembly is connected to at least one of the housing and the cover plate by screws, realizing the installation of the sealing and isolating assembly in the spectrometer. The sealing and isolating assembly is convenient to disassemble and install, and the window sheet is convenient to disassemble and replace, making the spectrometer easy to use. Description of the Drawings

[0033] The drawings here are incorporated into the specification and form a part of this specification, showing embodiments consistent with the present disclosure, and are used together with the specification to explain the principles of the present disclosure. Obviously, the drawings in the following description are only some embodiments of the present disclosure. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0034] Figure 1 It is a schematic structural diagram of the internal sealing device of the spectrometer in an embodiment of the present disclosure;

[0035] Figure 2 It is a top view sectional view of the internal sealing device of the spectrometer in an embodiment of the present disclosure;

[0036] Figure 3 It is an overall view of the sealing and isolating assembly in an embodiment of the present disclosure;

[0037] Figure 4 It is a sectional view of the sealing and isolating assembly in an embodiment of the present disclosure.

[0038] Description of the reference numerals:

[0039] 1. Housing; 2. Cover plate; 3. Sealing and isolating assembly; 4. Screw; 5. Fixing member; 6. Window sheet; 7. Pressing plate; 8. First O-ring; 9. Second O-ring; 10. Fixed plate; 11. First screw hole; 12. Second screw hole; 13. Groove; 14. Foam cotton; 15. Third O-ring. Detailed implementation manners

[0040] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. Like reference numerals in the figures denote like or similar structures, and thus their detailed descriptions will be omitted. In addition, the drawings are only schematic illustrations of the present disclosure and are not necessarily drawn to scale.

[0041] Although relative terms such as "upper" and "lower" are used in this specification to describe the relative relationship of one component of an icon to another component, these terms are used in this specification only for convenience, for example, according to the directions of the examples described in the accompanying drawings. It can be understood that if the device of the icon is turned upside down, the component described as "upper" will become the component described as "lower". When a structure is "on" another structure, it may mean that a structure is integrally formed on another structure, or that a structure is "directly" disposed on another structure, or that a structure is "indirectly" disposed on another structure through another structure.

[0042] The terms "a", "an", "the", "said" and "at least one" are used to indicate the existence of one or more elements / components / etc.; the terms "comprising" and "having" are used to mean an open inclusion and mean that there may be additional elements / components / etc. in addition to the listed elements / components / etc.; the terms "first", "second", "third", etc. are used only as labels and are not a limitation on the quantity of their objects.

[0043] An internal sealing device of a spectrometer is provided in an embodiment of the present disclosure. Refer to Figure 1 , including: a housing 1, the housing 1 includes a chamber A and a chamber B; a cover plate 2, detachably disposed at the top of the housing 1, and the cover plate 2 is configured to seal off the interior of the housing 1 from the outside; a sealing and isolating component 3, disposed in the housing 1 and connected to at least one of the housing 1 and the cover plate 2 by screws 4; the cover plate 2 and the sealing and isolating component 3 are configured to seal off the chamber A and the chamber B.

[0044] In an embodiment of the present disclosure, the internal sealing device of the spectrometer is composed of a housing 1, a cover plate 2, and a sealing and isolating component 3. The housing 1 is divided into a chamber A and a chamber B. The sealing and isolating component 3 is installed between the chamber A and the chamber B. The sealing and isolating component 3 is connected to at least one of the housing 1 and the cover plate 2 by screws 4, and thus is installed in the housing 1 to isolate the chamber A from the chamber B. The cover plate 2 is installed at the top of the housing 1. The cooperation between the cover plate 2 and the sealing and isolating component 3 realizes the sealing and isolation of the chamber A and the chamber B, and the cooperation between the cover plate 2 and the housing 1 realizes the overall isolation and sealing of the inside of the spectrometer from the outside world.

[0045] Compared with the existing spectrometer sealing device, the internal sealing device of the spectrometer realizes the complete sealing and isolation of the chamber A and the chamber B inside the spectrometer through the cooperation of the sealing and isolating component and the cover plate; through the cooperation of the housing and the cover plate, the overall isolation and sealing of the inside of the spectrometer from the outside world is realized, improving the sealing effect of the spectrometer; and the sealing and isolating component is connected to at least one of the housing and the cover plate by screws, realizing the installation of the sealing and isolating component inside the spectrometer. The sealing and isolating component is convenient to disassemble and install, and the window piece is convenient to disassemble and replace, making the spectrometer easy to use.

[0046] In an embodiment of the present disclosure, referring to Figure 3 and Figure 4 , the sealing and isolating component 3 includes: a fixing member 5, disposed between the chamber A and the chamber B, and a window is provided on the fixing member 5; a window piece 6, configured as a transparent window piece, and the window piece 6 is disposed inside the fixing member 5, and the window piece 6 is used to seal the window; a pressing plate 7, disposed inside the fixing member 5, the pressing plate 7 is annular, and the window piece 6 is located between the fixing member 5 and the pressing plate 7; at least one screw 4, configured to connect the fixing member 5 and the pressing plate 7. In this way, the window piece 6 can be modularly arranged, which is convenient for the disassembly and installation of the window piece 6, improves the installation efficiency of the window piece 6, and reduces the operation difficulty of the assembly personnel.

[0047] In an embodiment of the present disclosure, referring to Figure 4 , the sealing and isolating component 3 further includes: two first O-rings 8, configured as such; one of the first O-rings 8 is located between the window piece 6 and the fixing member 5 to isolate and seal the window piece 6 and the fixing member 5; the other first O-ring 8 is located between the window piece 6 and the pressing plate 7 to isolate and seal the window piece 6 and the pressing plate 7. In this way, the two sides of the window piece 6 can be sealed oppositely, making the window piece 6 not easily damaged and improving the service life of the window piece 6.

[0048] Optionally, grooves for accommodating the first O-rings 8 are respectively formed on the fixing member 5 and the pressing plate 7, and the two first O-rings 8 are correspondingly arranged.

[0049] Optionally, the size of the window piece 6 is larger than the windows formed on the fixing member 5 and the pressing plate 7.

[0050] It can be understood that the transparent window sheet 6 is pressed on the fixing member 5 by the pressing plate 7. A first O-ring 8 is used for isolation and sealing between the pressing plate 7 and the window sheet 6, and another first O-ring 8 is used for isolation and sealing between the window sheet 6 and the fixing member 5. The fixing member 5 and the pressing plate 7 are locked by at least one screw 4, thereby forming a sealed isolation assembly 3, realizing the modular setting of the window sheet 6 and improving the sealing effect of the window sheet 6.

[0051] In an embodiment of the present disclosure, referring to Figure 1 , a second O-ring 9 is arranged on the pressing plate 7. The second O-ring 9 is located between the pressing plate 7 and the chamber A to isolate and seal the pressing plate 7 and the chamber A. In this way, the sealed isolation assembly 3 can be isolated and sealed on the housing 1, realizing the isolation and sealing between the chamber A and the chamber B.

[0052] Optionally, a groove for accommodating the second O-ring 9 is formed on the pressing plate 7, and the second O-ring 9 is arranged in a staggered manner with the first O-ring 8.

[0053] Optionally, a plurality of screws 4 are installed around the second O-ring 9 on the pressing plate 7.

[0054] In one example, the number of screws 4 on the pressing plate 7 is six.

[0055] In an embodiment of the present disclosure, referring to Figure 1 , Figure 3 and Figure 4 , a fixing plate 10 is arranged at the bottom end of the fixing member 5, and at least one first screw hole 11 is formed on the fixing plate 10. The screw 4 connects the housing 1 and the fixing member 5 through the first screw hole 11. In this way, the locked fixation of the sealed isolation assembly 3 on the housing 1 can be realized, facilitating the disassembly and assembly of the sealed isolation assembly 3 in the housing 1.

[0056] Optionally, the fixing plate 10 is arranged on a side wall of the fixing member 5 away from the pressing plate 7, and at least one first screw hole 11 is evenly distributed on the fixing plate 10.

[0057] Optionally, referring to Figure 2 and Figure 3 , at least one second screw hole 12 is formed at the top end of the fixing member 5, and the screw 4 connects the cover plate 2 and the fixing member 5 through the second screw hole 12. In this way, the locked fixation of the sealed isolation assembly 3 on the cover plate 2 can be realized, realizing the isolation and sealing between the chamber A and the chamber B, and at the same time facilitating the disassembly and assembly of the sealed isolation assembly 3 on the cover plate 2.

[0058] Optionally, the first screw hole 11 and the second screw hole 12 are arranged in a staggered manner.

[0059] In an embodiment of the present disclosure, referring to Figures 1 to 4, a groove 13 is formed at the top end of the fixing member 5, and a foamed cotton 14 is arranged in the groove 13. The foamed cotton 14 is configured to seal and isolate the cover plate 2 and the fixing member 5. In this way, the sealing between the isolation cover plate 2 and the fixing member 5 can be realized, and the isolation and sealing between the chamber A and the chamber B can be realized.

[0060] Optionally, clamping grooves communicating with the groove 13 are respectively formed at the top ends of the side walls of the chamber A and the chamber B, that is, clamping grooves communicating with the groove 13 are respectively arranged at both ends of the groove 13, and the foamed cotton 1 is installed in the groove 13 and the clamping grooves to realize the complete isolation between the chamber A and the chamber B.

[0061] Optionally, the material of the foamed cotton 14 is silica gel. In this way, the sealing effect of the foamed cotton 14 can be improved.

[0062] It can be understood that the sealing connection between the fixing member 5 and the cover plate 2 is completed through the foamed cotton 14 and at least one screw 4, and the sealing connection between the housing 1 and the cover plate 2 is realized, so as to realize the complete sealing and isolation between the internal chambers A and B of the spectrometer.

[0063] In an embodiment of the present disclosure, refer to Figure 2 , further comprising: a third O-ring 15 arranged between the housing 1 and the cover plate 2, and the O-ring 15 is configured to seal and isolate the housing 1 and the cover plate 2; at least one screw 4 configured to connect the housing 1 and the cover plate 2. In this way, the sealing connection between the housing 1 and the cover plate 2 can be realized, and the overall isolation and sealing between the inside of the spectrometer and the outside can be realized.

[0064] In an embodiment of the present disclosure, refer to Figures 1 to 4 , the working process of the internal sealing device of the spectrometer is briefly described as follows:

[0065] When the present disclosure is in use, first, the transparent window piece 6 is pressed on the fixing member 5 by the pressing plate 7. The pressing plate 7 and the window piece 6 are isolated and sealed by the first O-ring 8, and the window piece 6 and the fixing member 5 are also isolated and sealed by the first O-ring 8. The fixing member 5 and the pressing plate 7 are locked by the screw 4 to form a window sealing and isolating assembly 3, realizing the modular setting of the window piece 6; the sealing and isolating assembly 3 is isolated and sealed on the housing 1 of the spectrometer by the second O-ring 9 and locked by the screw 4 to complete the isolation between the chamber A and the chamber B; the housing 1 is locked by the silica gel foamed cotton 14 and the cover plate 2 by the screw 4 to realize the complete sealing and isolation between the internal chambers A and B of the spectrometer; the housing 1 is locked by the third O-ring 15 and the cover plate 2 by the screw 4 to form the overall isolation and sealing between the inside of the spectrometer and the outside.

[0066] Other embodiments of the present disclosure will be readily apparent to those skilled in the art upon consideration of the specification and practice of the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include known common general knowledge or conventional technical means in the technical field not disclosed in the present disclosure. The specification and examples are only to be considered as exemplary, and the true scope and spirit of the present disclosure are pointed out by the appended claims.

Claims

1. An internal sealing device for a spectrometer, characterized in that, Comprising: A housing (1), the housing (1) including a chamber A and a chamber B; A cover plate (2), detachably provided at the top of the housing (1), the cover plate (2) being configured to seal off the interior of the housing (1) from the outside; A sealing and isolating assembly (3), provided inside the housing (1) and connected to at least one of the housing (1) and the cover plate (2) by screws (4); The cover plate (2) and the sealing and isolating assembly (3) are configured to seal off the chamber A and the chamber B.

2. The internal sealing device of the spectrometer according to claim 1, characterized in that, The sealing and isolating assembly (3) includes: A fixing member (5), provided between the chamber A and the chamber B, the fixing member (5) being provided with a window; A window sheet (6), configured as a transparent window sheet, the window sheet (6) being provided inside the fixing member (5), the window sheet (6) being used to seal the window; A pressing plate (7), provided inside the fixing member (5), the pressing plate (7) being annular, the window sheet (6) being located between the fixing member (5) and the pressing plate (7); At least one screw (4), configured to connect the fixing member (5) and the pressing plate (7).

3. The internal sealing device of the spectrometer according to claim 2, characterized in that, The sealing and isolating assembly (3) further includes: Two first O-rings (8), configured as such; One of the first O-rings (8) is located between the window sheet (6) and the fixing member (5) to isolate and seal the window sheet (6) and the fixing member (5); The other first O-ring (8) is located between the window sheet (6) and the pressing plate (7) to isolate and seal the window sheet (6) and the pressing plate (7).

4. The internal sealing device of the spectrometer according to claim 2, wherein, A second O-ring (9) is provided on the pressing plate (7), the second O-ring (9) being located between the pressing plate (7) and the chamber A to isolate and seal the pressing plate (7) and the chamber A.

5. The internal sealing device of the spectrometer according to claim 2, characterized in that, A fixing plate (10) is provided at the bottom end of the fixing member (5), at least one first screw hole (11) is provided on the fixing plate (10), and the screw (4) connects the housing (1) and the fixing member (5) through the first screw hole (11); At least one second screw hole (12) is provided at the top end of the fixing member (5), and the screw (4) connects the cover plate (2) and the fixing member (5) through the second screw hole (12).

6. The internal sealing device of the spectrometer according to claim 2, wherein A groove (13) is provided at the top end of the fixing member (5), and a foamed cotton (14) is provided inside the groove (13), the foamed cotton (14) being configured to seal off the cover plate (2) and the fixing member (5).

7. The internal sealing device of the spectrometer according to claim 6, characterized in that, The material of the foamed cotton (14) is silicone.

8. The internal sealing device of the spectrometer according to claim 1, characterized in that, Further comprising: A third O-ring (15), provided between the housing (1) and the cover plate (2), the O-ring (15) being configured to seal off the housing (1) and the cover plate (2); At least one screw (4), configured to connect the housing (1) and the cover plate (2).

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