CN205545515U - Resistant high and cold extremely hot sealed camera - Google Patents
Resistant high and cold extremely hot sealed camera Download PDFInfo
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- CN205545515U CN205545515U CN201521048760.6U CN201521048760U CN205545515U CN 205545515 U CN205545515 U CN 205545515U CN 201521048760 U CN201521048760 U CN 201521048760U CN 205545515 U CN205545515 U CN 205545515U
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Abstract
The utility model discloses a resistant high and cold extremely hot sealed camera, including the protection casing that holds the camera and intake pipe and outlet duct in stretching into protection casing cavity, wherein: the protection casing is just to the open end of camera camera lens, be equipped with the electric heat cavity transparent window of the resistant adverse circumstances of at least three -layer, mutual separating forms an airtight cavity between every two -layer cavity transparent window, every layer of cavity transparent window all is equipped with the heating wire, the power cord of heating wire is through the protection casing cavity, outlet duct from being arranged in the camera rear portion is drawn forth, the intake pipe is direct introduces protection casing cavity right -hand member with gas, protection casing cavity is crossed from the right side to left side ground uniflow to gas, abundant heat transfer, form an even temperature field, then the outlet duct from being close to the left end is drawn forth. The utility model provides an influence of the inside and outside big difference in temperature of prior art, one cold one heat, the protection casing of camera is drawn forth to the power cord or the position of adiabatic shell just becomes very fragile, easy cracked problem.
Description
Technical field
It is complicated and changeable that this utility model relates to a kind of environmental aspect, and test temperature scope is-70 DEG C～+155 DEG C of environmental test chamber use, the video camera of resistance to complicated environmental condition.
Background technology
It is currently used for the reliability under simulating assembly apparatus complex work environment and stability, and the durability of testing equipment, assess its life-span, make people can carry out Aero-Space parts test, the test of aero-engine working environment, Environment Test of Electronic Equipment and other industrial or agricultural field scientific experimentss on ground, test temperature scope is the environmental test chamber of-70 DEG C～+155 DEG C, while improving test products reliability, also it is greatly saved experimentation cost.Owing to environmental test chamber relates to upper low test, hot test, low-temperature test, thermal shock test, radiation sun test, moisture-resistant test, salt spray test, the complex environments such as sand and dust test and sleet test, therefore environmental test chamber generally uses shooting record test specimen metamorphosis in process of the test, the most in recent years, environmental test chamber uses environmental condition complicated, the environmental condition of environmental test video camera application also becomes increasingly complex, require increasingly harsher, and in order to ensure video camera, the reliability of camera lens work, extend its service life, high-seal must be had to video camera assembling, resistance to high and cold, resistance to extremely hot, the multiple particularity protective measure such as corrosion-resistant, shooting function is made to pass through glass, picked-up picture rich in detail, there is the special protective cover of high degree of safety.In addition, protective cover can also prevent the artificial destruction to video camera and camera lens as far as possible.Protective cover allows for protecting video camera and camera lens so that it is from the pollution of salt mist environment, high and low temperature environment, dust, impurity and corrosive gas, tamper-proof.Due to camera operation temperature-70 DEG C～155 DEG C, otherwise can affect picture quality, even damage video camera.Therefore increasing institute and Laboratory Request, configure the video camera of resistance to complicated environmental condition in proof box.But owing to use occasion is more professional and special, find the most also do not have a ready-made video camera that can be provided simultaneously with high-low temperature resistant, greasy dirt, soda acid, corrosion, in accordance with above-mentioned use requirement in actual use.Existing a lot of high-temperature camera is making a lot of improvements measure in terms of internal cooling, not only structure is complicated, manufacturing cost is high, a stable airflow field can't be formed around common camera, when being mingled with steam in air-flow, disorderly airflow field will occur the phenomenon such as snowflake or distortion in camera picture.Before this, the producer of high-temperature camera the most all can suffer a problem that, it is simply that the power line directly led out can be affected by the inside and outside big temperature difference, and a cold heat, the position of the protective cover or insulated shell that video camera drawn by power line just becomes the most crisp, is easily broken off.Adding the high temperature also suffering in high-temperature test chamber after power line is drawn, service life is the shortest, is also easy to be out of order during use.This structure is placed in the high and low temperature environment that this utility model is applied, and the life-span is shorter especially, it is easier to be out of order, and not meets the requirements.Some producers, in order to give the power line cooling drawn, can additionally use cooling device, but so, not only considerably increase cost, the problem being also the failure to solve " position of the protective cover or insulated shell that video camera drawn by power line becomes the most crisp ".
Utility model content
The weak point that this utility model exists for above-mentioned prior art, it is provided that a kind of simple in construction, with low cost, it is possible to adapt to the video camera of environmental test chamber complex environment very well.
nullThe technical solution adopted in the utility model is such that a kind of resistance to high and cold extremely hot sealing video camera，Including accommodating the protective cover 4 of video camera 5 and stretching into the air inlet pipe 2 in protective cover 4 hollow cavity and escape pipe 3，It is characterized in that: the just opening to video camera 5 camera lens at protective cover 4，It is provided with the electric heating hollow transparent form 6 of at least three layers of adverse environment resistant，One closed cavity of spaced formation between every two-layer hollow transparent form，Every layer of hollow transparent form is provided with heating wire，The power line 1 of heating wire is through protective cover 4 cavity，Draw from the escape pipe 3 being positioned at video camera 5 rear portion，Air inlet pipe 2 directly introduces gases into protective cover 4 hollow cavity right-hand member，Gas one-directional flow protective cover 4 hollow cavity cavity from right to left，Fully heat exchange，Form a uniform temperature field，Then draw from the escape pipe 3 near left end.
This utility model has the advantages that compared to prior art environmental test video camera.
1, simple in construction, with low cost.This utility model is just opening to camera lens at protective cover 4, it is provided with the electric heating hollow transparent form 6 of at least three layers of adverse environment resistant, one closed cavity of spaced formation between every two-layer hollow transparent form, every layer of hollow transparent form arranges heating wire, the power line of heating wire is through protective cover 4 cavity, the mode simple in construction drawn from the escape pipe 33 being positioned at video camera rear portion, with low cost.
Environmental test chamber complex environment can be adapted to very well.This utility model directly introduces gases into protective cover 4 internal cavities right-hand member by air inlet pipe.Gas can one-directional flow protective cover 4 internal cavities, abundant heat exchange from right to left, form a uniform temperature field, then draw from the escape pipe 3 near left end.To use the electric heating multiple glazing of three layers of adverse environment resistant, draw following result through overtesting:
When the temperature in environmental test chamber is up to 155 DEG C, the temperature in protective cover 4 internal cavities is also only 42 DEG C, and resistance to elevated temperatures is good；When the temperature in environmental test chamber is low reach-70 DEG C time, the temperature in protective cover 4 internal cavities be only-22 DEG C, resistance to low temperature is good.
The camera end of common camera uses electric heating multiple glazing to seal, by adjusting the power of heating wire, so that interior one layer of adverse environment resistant of electric heating multiple glazing is identical with the temperature in protective cover 4 internal cavities, one layer of adverse environment resistant of outermost is identical with the temperature of protective cover 4 external environment condition, thus avoid the moisture in protective cover 4 internal cavities or in external environment condition and haze due to the reason of the temperature difference, it is ensured that the photographic effect of common camera.Solve under extremely low temperature or excessive temperature environment, the biggest temperature difference can be formed inside and outside protective cover, the problem that the temperature difference is the biggest.The glass number of plies selected by electric heating multiple glazing is the most, to reduce temperature gradient, is avoided as much as hazing.
Or with use three layers of adverse environment resistant electric heating multiple glazing as sample, following result is drawn: when the temperature in environmental test chamber is for-70 DEG C through overtesting, common camera is after long-play 168 hours, the electric heating multiple glazing in camera lens front can be always maintained at dried and clean, obtain good image, without snowflake, the defect such as distortionless.
In this utility model, electric heating multiple glazing is belonging to existing product, simply applies one.But, before this, those skilled in the art do not apply it to this video camera related under extreme high and low temperature environment, and, overcome a significant technology issues for a long time in aerospace field, achieve unforeseeable technique effect, have the most progressive.
The power line of common camera and electric heating multiple glazing is all drawn from escape pipe 3.This is also to design a very simple technical characteristic cleverly in this utility model.Power line is drawn from escape pipe 3 by this utility model, can directly lead out outside environmental test chamber, the problem that there is not " position of the protective cover or insulated shell that video camera drawn by power line becomes the most crisp ", because no longer there being the position of the cold heat of prior art one, whole power line in escape pipe 3 all in uniform temperature field.Owing to the gas in escape pipe 3 is in constantly flowing, electric wire serving well heating or the effect of cooling, the temperature making power line will not be the highest or the lowest.Solving the impact of the big temperature difference inside and outside prior art, a cold heat, the position of the protective cover or insulated shell that video camera drawn by power line just becomes problem that is the most crisp, that be easily broken off.
The special fluorubber materials such as double glazing material selection anticorrosion, anti-soda acid, as done special protective treatment, so that camera normally works under complicated adverse circumstances at politef etc., and docking port.
Accompanying drawing explanation
Fig. 1 is the sectional view of the resistance to high and cold extremely hot sealing video camera of this utility model.
In figure: 1 power line, 2,3 escape pipe .4 protective covers, 5 video cameras, 6 electric heating hollow transparent forms.
Detailed description of the invention
Refering to Fig. 1.In embodiment described below, the video camera of resistance to complex environment includes: include accommodating the protective cover 4 of video camera 5 and stretching into the air inlet pipe 2 in protective cover 4 hollow cavity and escape pipe 3, wherein, placing common camera 5 in protective cover 4 internal cavities, protective cover 4 arranges air inlet pipe 2 and escape pipe 3 on the wall of left end.The just opening to video camera 5 camera lens at protective cover 4, arranges the electric heating hollow transparent form 6 of at least three layers of adverse environment resistant.Electric heating hollow transparent form 6 can be the multilayer hollow structure using and can providing scene light for cover inner lens, can effectively cut off interior case and the extraneous electric heating double glazing of temperature exchange, conductive antifog hollow glass, double-sided glass connects automatic defrosting and heat-blocking action after electricity, low-temperature-resistant impacts-80 DEG C, high temperature+200 DEG C.Electric heating hollow transparent form 6 can use the dark brown transparent body, and dark brown transparent body form optical distortion is the least, and effect is preferable comparatively speaking, light attenuation only about 1 f-stop, and about 50%.One closed cavity of spaced formation between every two-layer hollow transparent form, every layer of hollow transparent form is provided with heating wire, the power line 1 of heating wire is through protective cover 4 cavity, draw from the escape pipe 3 being positioned at video camera 5 rear portion, cooling gas is directly sent in protective cover 4 hollow cavity right-hand member or protective cover interlayer by air inlet pipe 2, heat in protective cover is taken out of, gas one-directional flow protective cover 4 hollow cavity cavity from right to left, fully heat exchange, form a uniform temperature field, then draw from the escape pipe 3 near left end.
Described air inlet pipe 2 extends up to close to protective cover 4 right-hand member to protective cover 4 internal cavities, described protective cover 4 right-hand member is open type fixing connection electric heating multiple glazing, the camera lens of common camera is vertically facing to this multilamellar electric heating double glazing, the common wiring of common camera and the power line 1 of multilamellar electric heating double glazing are all drawn from escape pipe 3, and all pipelines, wire all do special protection, import and export sky protects, encapsulation process.
As preferably, described multilamellar electric heating double glazing includes the glass of at least two-layer adverse environment resistant, one closed cavity of spaced formation between every two-layer adverse environment resistant, every layer of adverse environment resistant inside glass has heating wire, the power line 1 of heating wire, through the internal cavities of protective cover 4, is then drawn from escape pipe 3.
When using two-layer double glazing adverse environment resistant, this utility model can long-time in-55 DEG C of-155 DEG C of temperature ranges normally work, and photographic effect is good.
When using three layers of double glazing adverse environment resistant, this utility model can long-time in-70 DEG C of-155 DEG C of temperature ranges normally work, and photographic effect is good.
When using four layers of double glazing adverse environment resistant, this utility model can long-time in-100 DEG C of-155 DEG C of temperature ranges normally work, and photographic effect is good.
To make this utility model can adapt to lower temperature environment, it is also possible to select the adverse environment resistant number of plies more electric heating multiple glazing.
Claims (5)
- null1. a resistance to high and cold extremely hot sealing video camera，Including accommodating the protective cover (4) of video camera and stretching into the air inlet pipe (2) in protective cover hollow cavity and escape pipe (3)，It is characterized in that: the just opening to video camera (5) camera lens at protective cover (4)，It is provided with electric heating hollow transparent form (6) of at least three layers of adverse environment resistant，One closed cavity of spaced formation between every two-layer hollow transparent form，Every layer of hollow transparent form is designed with heating wire，The power line (1) of heating wire is through protective cover (4) cavity，Draw from the escape pipe (3) being positioned at video camera (5) rear portion，Air inlet pipe (2) directly introduces gases into protective cover (4) hollow cavity right-hand member，Gas one-directional flow protective cover (4) hollow cavity cavity from right to left，Fully heat exchange，Form a uniform temperature field，Then draw from the escape pipe (3) near left end.
- Resistance to high and cold extremely hot sealing video camera the most as claimed in claim 1, it is characterized in that: electric heating hollow transparent form (6) uses the multilayer hollow structure that can provide scene light for cover inner lens, can effectively cut off interior case and the electric heating double glazing of extraneous temperature exchange or conductive antifog hollow glass.
- Resistance to high and cold extremely hot sealing video camera the most as claimed in claim 1, it is characterised in that: electric heating hollow transparent form (6) uses the dark brown transparent body.
- Resistance to high and cold extremely hot sealing video camera the most as claimed in claim 1, it is characterised in that: air inlet pipe (2) extends up to close to protective cover (4) right-hand member to protective cover (4) internal cavity.
- Resistance to high and cold extremely hot sealing video camera the most as claimed in claim 1 or 2, it is characterised in that: the electric wire of common camera and the power line (1) of multilamellar electric heating double glazing are all drawn from escape pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521048760.6U CN205545515U (en) | 2015-12-16 | 2015-12-16 | Resistant high and cold extremely hot sealed camera |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521048760.6U CN205545515U (en) | 2015-12-16 | 2015-12-16 | Resistant high and cold extremely hot sealed camera |
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|---|---|
| CN205545515U true CN205545515U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521048760.6U Active CN205545515U (en) | 2015-12-16 | 2015-12-16 | Resistant high and cold extremely hot sealed camera |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019012109A (en) * | 2017-06-29 | 2019-01-24 | フジクス株式会社 | Camera device with soil removal function |
| CN109696790A (en) * | 2019-02-27 | 2019-04-30 | 北京空间飞行器总体设计部 | Camera protective device and camera guard system |
| CN110536061A (en) * | 2019-10-11 | 2019-12-03 | 国网黑龙江省电力有限公司鹤岗供电公司 | A kind of double spectrum cameras applied to extremely frigid zones |
-
2015
- 2015-12-16 CN CN201521048760.6U patent/CN205545515U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019012109A (en) * | 2017-06-29 | 2019-01-24 | フジクス株式会社 | Camera device with soil removal function |
| CN109696790A (en) * | 2019-02-27 | 2019-04-30 | 北京空间飞行器总体设计部 | Camera protective device and camera guard system |
| CN109696790B (en) * | 2019-02-27 | 2021-07-23 | 北京空间飞行器总体设计部 | Camera protection device and camera protection system |
| CN110536061A (en) * | 2019-10-11 | 2019-12-03 | 国网黑龙江省电力有限公司鹤岗供电公司 | A kind of double spectrum cameras applied to extremely frigid zones |
| CN110536061B (en) * | 2019-10-11 | 2021-10-22 | 国网黑龙江省电力有限公司鹤岗供电公司 | Double-spectrum camera applied to alpine region |
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