CN111545254A - Anti-condensation infrared window for multi-comprehensive test box - Google Patents

Anti-condensation infrared window for multi-comprehensive test box Download PDF

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Publication number
CN111545254A
CN111545254A CN202010533749.8A CN202010533749A CN111545254A CN 111545254 A CN111545254 A CN 111545254A CN 202010533749 A CN202010533749 A CN 202010533749A CN 111545254 A CN111545254 A CN 111545254A
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CN
China
Prior art keywords
heat conducting
conducting cylinder
heating
light
condensation
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Pending
Application number
CN202010533749.8A
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Chinese (zh)
Inventor
薛青龙
黄晓光
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Suzhou Sushi Testing Group Co Ltd
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Suzhou Sushi Testing Group Co Ltd
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Publication date
Application filed by Suzhou Sushi Testing Group Co Ltd filed Critical Suzhou Sushi Testing Group Co Ltd
Priority to CN202010533749.8A priority Critical patent/CN111545254A/en
Publication of CN111545254A publication Critical patent/CN111545254A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L1/00—Enclosures; Chambers
    • B01L1/02—Air-pressure chambers; Air-locks therefor
    • B01L1/025—Environmental chambers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L7/00—Heating or cooling apparatus; Heat insulating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/18—Means for temperature control
    • B01L2300/1805—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks
    • B01L2300/1827—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks using resistive heater

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  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

An anti-condensation infrared window used on a multi-comprehensive test box body comprises a window component and a heating component; the window component comprises a light-transmitting body, a picture frame, a pressure strip and two sealing structures; the mirror frame is hermetically assembled with an opening on the box body; the light-transmitting body is attached to and positioned on the joint surface of the mirror frame and is in sealing fit with the joint surface; the pressing plate presses the light-transmitting body and is combined with the mirror frame for positioning; the heating assembly comprises a heat conducting cylinder and a heating structure; the heat conducting cylinder is embedded in the opening, the outer end of the heat conducting cylinder is arranged corresponding to the picture frame of the window assembly, and the inner end of the heat conducting cylinder is arranged corresponding to the interior of the box body; the heating structure is attached to the wall of the heat conducting cylinder and used for heating the heat conducting cylinder. The invention solves the sealing problem of the infrared light-transmitting body and the test box body, can effectively solve the condensation and frosting phenomena of the infrared light-transmitting body and ensures the normal implementation of the comprehensive test. Meanwhile, the installation efficiency of the infrared light-transmitting body on the test box body is improved.

Description

Anti-condensation infrared window for multi-comprehensive test box
Technical Field
The invention relates to the field of environmental test equipment, in particular to an anti-condensation infrared window on a test box body in a multi-comprehensive environmental test system.
Background
The multi-comprehensive environment test refers to that at least two environments in various environments such as vibration, temperature, humidity, air pressure and the like are combined to form a test environment. The multi-comprehensive-environment test system simulates natural environment (such as vibration, temperature, humidity and air pressure) in an effective space range and then detects various performance indexes of a tested piece. The multi-comprehensive-environment test system is widely applied to relevant fields of aerospace products, information electronic instruments, materials, electricians, various electronic components and the like.
The multi-comprehensive-environment test system comprises a plurality of parts such as vibration, temperature, humidity, pressure and the like, for example, the test environment of the three-comprehensive-environment test system is usually a combination of vibration, temperature and humidity, and the combination of the test environments is applied to a tested piece to complete the related evaluation of the tested piece. Wherein, when carrying out temperature, humidity, vibration test, the test piece need carry out thermal imaging through infrared thermal imager, and infrared light need can detect the test piece through infrared glass side, so need install infrared glass on experimental box and guarantee that glass does not have frosting and water droplet, otherwise will influence infrared thermal imaging's effect.
Disclosure of Invention
The invention aims to provide an anti-condensation infrared window for a multi-comprehensive test box body.
In order to achieve the purpose, the invention adopts the technical scheme that:
an anti-condensation infrared window used on a multi-comprehensive test box body comprises a window component and a heating component; wherein the content of the first and second substances,
the window assembly comprises a light-transmitting body, a picture frame, a compression plate and two sealing structures; the mirror frame is hermetically assembled with an opening on the box body through a first sealing structure; the light-transmitting body is positioned on a combination surface of the mirror frame by being attached to the peripheral edge of the inner side and is in sealing fit with the combination surface through a second sealing structure; the pressing plate is pressed on the peripheral edge of the outer side of the light transmitting body and is combined with the picture frame for positioning;
the heating assembly comprises a heat conduction cylinder and a heating structure; the heat conducting cylinder is embedded in the opening, and the outer side wall of the heat conducting cylinder is arranged corresponding to the inner side wall of the opening; the outer end of the heat conducting cylinder is arranged corresponding to the inner end of the picture frame of the window assembly, and an inner cavity of the heat conducting cylinder is communicated to the inner side surface of the light transmitting body; the inner end of the heat conducting cylinder is arranged corresponding to the interior of the box body; the heating structure is attached to the wall of the heat conducting cylinder and used for heating the heat conducting cylinder.
The relevant content in the above technical solution is explained as follows:
1. in the above scheme, the pressing plate and the mirror frame are combined and positioned through a thread structure.
2. In the above scheme, the inner end of the heat conducting cylinder extends into the box body, and the inner end of the heat conducting cylinder protrudes out of the inner surface of the box body.
3. In the above scheme, the heating structure comprises a heating wire structure, and the heating wire structure is attached to the outer side cylinder wall of the heat conducting cylinder.
4. In the above scheme, the heating structure further comprises at least one temperature sensor, the temperature sensor is arranged corresponding to the light-transmitting body, and the temperature sensor is electrically connected with a control circuit, and the control circuit is electrically connected with the heating structure.
5. In the above scheme, the light-transmitting body is germanium crystal glass.
The working principle and the advantages of the invention are as follows:
the invention relates to an anti-condensation infrared window for a multi-comprehensive test box body, which comprises a window assembly and a heating assembly; the window component comprises a light-transmitting body, a picture frame, a pressure strip and two sealing structures; the mirror frame is hermetically assembled with an opening on the box body; the light-transmitting body is attached to and positioned on the joint surface of the mirror frame and is in sealing fit with the joint surface; the pressing plate presses the light-transmitting body and is combined with the mirror frame for positioning; the heating assembly comprises a heat conducting cylinder and a heating structure; the heat conducting cylinder is embedded in the opening, the outer end of the heat conducting cylinder is arranged corresponding to the picture frame of the window assembly, and the inner end of the heat conducting cylinder is arranged corresponding to the interior of the box body; the heating structure is attached to the wall of the heat conducting cylinder and used for heating the heat conducting cylinder.
Compared with the prior art, the invention solves the sealing problem of the infrared light-transmitting body and the test box body, can effectively solve the condensation and frosting phenomena of the infrared light-transmitting body and ensures the normal implementation of a comprehensive test. Meanwhile, the installation efficiency of the infrared light-transmitting body on the test box body is improved.
Drawings
FIG. 1 is a schematic view of a test chamber according to an embodiment of the present invention;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
fig. 3 is an exploded view of an embodiment of the present invention.
In the above drawings: 1. a light transmitting body; 2. a mirror frame; 2a, a bonding surface; 3. a compression plate; 4. a first seal structure; 5. a box body; 6. an opening; 7. a second seal structure; 8. a heat conducting tube; 9. and heating the structure.
Detailed Description
The invention is further described with reference to the following figures and examples:
example (b): the present disclosure will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the disclosure may be shown and described, and which, when modified and varied by the techniques taught herein, can be made by those skilled in the art without departing from the spirit and scope of the disclosure.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The singular forms "a", "an", "the" and "the", as used herein, also include the plural forms.
The terms "first," "second," and the like, as used herein, do not denote any order or importance, nor do they denote any order or importance, but rather are used to distinguish one element from another element or operation described in such technical terms.
As used herein, "connected" or "positioned" refers to two or more elements or devices being in direct physical contact with each other or in indirect physical contact with each other, and may also refer to two or more elements or devices being in operation or acting on each other.
As used herein, the terms "comprising," "including," "having," and the like are open-ended terms that mean including, but not limited to.
As used herein, the term (terms), unless otherwise indicated, shall generally have the ordinary meaning as commonly understood by one of ordinary skill in the art, in this written description and in the claims. Certain words used to describe the disclosure are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the disclosure.
Referring to the attached drawings 1-3, the anti-condensation infrared window for the multi-comprehensive test box comprises a window assembly and a heating assembly.
Wherein, window subassembly includes a circular printing opacity body 1, and this printing opacity body 1 can pass through infrared ray, prefers germanium crystal glass. The spectacle frame further comprises a spectacle frame 2, a pressing plate 3 and two sealing structures. The picture frame 2 is annular and is hermetically assembled with an opening 6 on the box body 5 through a first sealing structure 4; the light-transmitting body 1 is positioned on a circular joint surface 2a of the lens frame 2 by fitting the peripheral edge of the inner side, and is in sealing fit with the joint surface 2a through a second sealing structure 7; the pressing plate 3 is pressed on the peripheral edge of the outer side of the light-transmitting body 1 and is combined and positioned with the frame 2, so that the light-transmitting body 1 is pressed and fixed on the frame 2 through the pressing plate 3. The sealing structure can be sealing strips, sealing glue and the like.
Preferably, the pressing plate 3 is combined and positioned with the lens frame 2 through a thread structure, so as to improve the combination stability.
The heating assembly comprises a heat conduction cylinder 8 and a heating structure 9; the heat conducting cylinder 8 is embedded in the opening 6, and the outer side wall of the heat conducting cylinder is arranged corresponding to the inner side wall of the opening 6; the outer end of the heat conducting cylinder 8 is arranged corresponding to the inner end of the picture frame 2 of the window assembly, so that the inner cavity of the heat conducting cylinder 8 is communicated with the inner side surface of the light transmitting body 1; the inner end of the heat conducting cylinder 8 is arranged corresponding to the interior of the box body 5; the heating structure 9 is attached to the wall of the heat conducting cylinder 8 and used for heating the heat conducting cylinder 8.
Through the setting of heating element, can bring following technological effect:
during a temperature test, the frosting and condensation on the surface of the light-transmitting body 1 caused by the temperature difference between the inside and the outside of the box body 5 or the rapid change of the temperature in the box body 5 are avoided;
secondly, when a high-temperature high-humidity test is carried out, the inner surface of the light-transmitting body 1 is prevented from being condensed.
Preferably, the heat conduction cylinder 8 is made of stainless steel, so that the heat conduction cylinder 8 can be prevented from rusting due to water vapor.
Preferably, the inner end of the heat conducting cylinder 8 extends into the box body 5, and the inner end of the heat conducting cylinder 8 protrudes out of the inner surface of the box body 5.
Through stretching into the certain degree of depth of the inside of box 5 with the inner of heat conduction section of thick bamboo 8, can bring following technological effect:
firstly, the heat conducting cylinder 8 has enough length to generate enough heat through the heating of the heating structure 9;
and secondly, the circulating air in the box body 5 can be prevented from entering the inner cavity of the heat conducting cylinder 8, so that the inner cavity is prevented from being cooled.
The heating structure 9 includes a heating wire structure, which is attached to the outer wall of the heat conducting tube 8, or an electric heating structure with other similar functions.
Preferably, the device further comprises at least one temperature sensor (not shown), the temperature sensor is arranged corresponding to the light-transmitting body 1, the temperature sensor is electrically connected with a control circuit (not shown), the control circuit is electrically connected with the heating structure 9 to form a closed loop system for detecting the surface temperature of the light-transmitting body 1, and when the control circuit detects that the surface temperature of the light-transmitting body 1 may cause frosting and condensation, the control circuit can control the heating structure 9 to heat the heat-conducting tube 8 to increase the temperature in the cavity, so as to heat the surface of the light-transmitting body 1, and further avoid frosting and condensation.
The installation procedure of the present invention will now be described by this embodiment as follows:
firstly, the inner side surface of the second sealing structure 7 is attached and paved on the circular joint surface 2a of the mirror frame 2;
step two, placing the infrared light-transmitting body 1 on the outer side surface of the second sealing structure 7 lightly, screwing the pressing plate 3 into the lens frame 2, and slowly screwing in to press the infrared light-transmitting body 1 onto the second sealing structure 7;
fixing the lens frame 2 provided with the infrared light transmission body 1 on an opening 6 of a test box body 5, and sealing the contact mounting surface between the lens frame 2 and the box body 5 by using a first sealing structure 4;
fixing a heating structure 9 with temperature control on the outer circumferential surface of the heat-conducting cylinder 8, and then fixing the heat-conducting cylinder 8 at a position close to the inner side surface of the mirror frame 2 in the opening 6;
and step five, electrically connecting the heating structure 9 to the test box control circuit, so that the heating structure 9 can be controlled to be opened and closed through the control panel of the test box.
Compared with the prior art, the invention solves the sealing problem of the infrared light-transmitting body and the test box body, can effectively solve the condensation and frosting phenomena of the infrared light-transmitting body and ensures the normal implementation of a comprehensive test. Meanwhile, the installation efficiency of the infrared light-transmitting body on the test box body is improved.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a prevent infrared window of condensation for on many integrated test boxes which characterized in that: comprises a window component and a heating component; wherein the content of the first and second substances,
the window assembly comprises a light-transmitting body, a picture frame, a compression plate and two sealing structures; the mirror frame is hermetically assembled with an opening on the box body through a first sealing structure; the light-transmitting body is positioned on a combination surface of the mirror frame by being attached to the peripheral edge of the inner side and is in sealing fit with the combination surface through a second sealing structure; the pressing plate is pressed on the peripheral edge of the outer side of the light transmitting body and is combined with the picture frame for positioning;
the heating assembly comprises a heat conduction cylinder and a heating structure; the heat conducting cylinder is embedded in the opening, and the outer side wall of the heat conducting cylinder is arranged corresponding to the inner side wall of the opening; the outer end of the heat conducting cylinder is arranged corresponding to the inner end of the picture frame of the window assembly, and an inner cavity of the heat conducting cylinder is communicated to the inner side surface of the light transmitting body; the inner end of the heat conducting cylinder is arranged corresponding to the interior of the box body; the heating structure is attached to the wall of the heat conducting cylinder and used for heating the heat conducting cylinder.
2. The anti-condensation infrared window according to claim 1, characterized in that: the pressing plate and the mirror frame are combined and positioned through a thread structure.
3. The anti-condensation infrared window according to claim 1, characterized in that: the inner end of the heat conducting cylinder extends into the box body, and the inner end of the heat conducting cylinder protrudes out of the inner surface of the box body.
4. The anti-condensation infrared window according to claim 1, characterized in that: the heating structure comprises a heating wire structure, and the heating wire structure is attached to the outer side cylinder wall of the heat conducting cylinder.
5. The anti-condensation infrared window according to claim 1, characterized in that: the temperature sensor is arranged corresponding to the light-transmitting body and is electrically connected with a control circuit, and the control circuit is electrically connected with the heating structure.
6. The anti-condensation infrared window according to claim 1, characterized in that: the light-transmitting body is germanium crystal glass.
CN202010533749.8A 2020-06-12 2020-06-12 Anti-condensation infrared window for multi-comprehensive test box Pending CN111545254A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010533749.8A CN111545254A (en) 2020-06-12 2020-06-12 Anti-condensation infrared window for multi-comprehensive test box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010533749.8A CN111545254A (en) 2020-06-12 2020-06-12 Anti-condensation infrared window for multi-comprehensive test box

Publications (1)

Publication Number Publication Date
CN111545254A true CN111545254A (en) 2020-08-18

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Application Number Title Priority Date Filing Date
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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114637092A (en) * 2022-03-10 2022-06-17 西安应用光学研究所 Defrosting and demisting multispectral optical window device for high-low temperature test chamber

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114637092A (en) * 2022-03-10 2022-06-17 西安应用光学研究所 Defrosting and demisting multispectral optical window device for high-low temperature test chamber
CN114637092B (en) * 2022-03-10 2024-04-30 西安应用光学研究所 Defrosting and demisting multispectral optical window device for high-low temperature test box

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