CN202372259U - Dual-chamber type detector - Google Patents
Dual-chamber type detector Download PDFInfo
- Publication number
- CN202372259U CN202372259U CN2011204439984U CN201120443998U CN202372259U CN 202372259 U CN202372259 U CN 202372259U CN 2011204439984 U CN2011204439984 U CN 2011204439984U CN 201120443998 U CN201120443998 U CN 201120443998U CN 202372259 U CN202372259 U CN 202372259U
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- China
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- cavity
- thermal resistance
- copper
- heat sink
- thermometric
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Abstract
The utility model discloses a dual-chamber type detector, which comprises two pure silver cavity type cones, heating wires, high-sensitivity platinum temperature test wires, special black paint and two dual-chamber type detector bodies, wherein each of the cavity type cones is formed by a cylinder and a circular cone and is provided with a tail, the heating wires are wound around the inclined conical surfaces of the silver cavity type cones, the temperature test wires are wound around the cylinders of the silver cavity type cones, the special black paint is sprayed on the inner wall of the silver cavity type cones with the tails, and each of the two dual-chamber type detector bodies is formed by a cylindrical thermal resistance, a copper thermal sink, an aluminum thermal sink and a main connection frame and is used for supporting the cavity type cones. According to the dual-chamber type detector, the detection sensitivity of an instrument can be greatly improved.
Description
Technical field
The utility model relates to the spacer remote sensing instrument, is specifically related to a kind of two-chamber bodily form detector that is used for broadband, big visual field radiation detection instrument.
Background technology
In the remote sensing of the earth radiation detection instrument, for surveying from the reflected solar radiation of the earth and broadband (0.2～50 micron) detector of the earth self radiation, temperature-sensitive class detector can be realized the broadband radiation detection in theory.Yet because thermistor detector photosurface surface response itself is inhomogeneous.And the optics visual field requires photosurface that bigger diameter is arranged greatly, and diameter is about more than 5 millimeters, and thermistor detector can't reach the detection performance that satisfies instrument requirement on large-area photosurface like this.For this reason specialized designs, developed two-chamber body structure heat-sensitive eye.Detector adopts cavity shape cavity as sensitive detection parts, response homogeneity and responsive time constant problem when having solved the radiation incident of big visual field effectively.Guarantee that instrument can detect the big visual field from the earth, the radiation of broadband scope.The instrumental optics probe has adopted two-chamber shape detector, has improved the detection accuracy of instrument greatly, has simplified the probe optical texture, and this has very important significance to volume and weight, the raising reliability that reduces instrument.
Summary of the invention
The purpose of the utility model provides a kind of can the detection from the big visual field of earth reflected solar radiation and the earth self radiation, full wave two-chamber shape cavity detector.
Detector comprises a main cavity 1 that is shaped as taper band kapillary 7, around last heating manganese-copper filament 6 and the pure platinum wire 5 of thermometric, with a thermal resistance 4 through being welded to connect, be welded to connect with red copper heat sink 2 again; An auxilliary cavity 3 that is shaped as taper band kapillary 7 is welded to connect around last heating manganese-copper filament 6 and the pure platinum wire 5 of thermometric and second thermal resistance 4, again with heat sink 2 welding of red copper; The pure platinum wire of thermometric 5 two ends are drawn two manganese-copper filament 6 two ends that go between and heat and are drawn two lead-in wires cabling in hollow thermal resistance 4 on the main cavity 1; After passing red copper heat sink 2; Pass through another thermal resistance 4 that is connected with red copper heat sink 2 again; Aperture of cutter on thermal resistance 4; From the hole, pass outwards through pure platinum wire 5 cablings of 2 thermometrics and 2 heating manganese-copper filament 6 cablings of drawing in 4 cablings of drawing in main chamber and auxilliary chamber, all are drawn away line ordering and are welded on the circuit switching plate, draw cabling with the blister copper silk from wiring board again and lead to thermal resistance 4 outsides.Again with red copper heat sink 2 and main link assembling.
The structure of cavity detector adopts two " cylinder+circular cone " shape cavity body structures, and one of them main cavity 1 is accepted radiation, and another auxilliary cavity 3 is as the electric power compensation, and cavity inner wall evenly sprays Berlin black.Heating manganese-copper filament 6 is noninductive and equably around the cavity circular cone outside on, substitute the heating film sticker method of using always, the change of cavity thermal capacity is significantly reduced, cavity photoelectricity equivalence is greatly improved.Realized detection from UV radiation to myriameter waves infrared radiation target.
The new shape of this practicality comprises: the cavity shape detector that the pure platinum wire of the fine silver cavity 8 of two " cylinder+circular cone " and band kapillary 7, the heating manganese-copper filament 6 on the fine silver cavity 8 awl ends, the high precision measuring temperature on fine silver cavity 8 cylinders 5, the cylindrical thermal resistance 4 that is sprayed on pitch-dark and two the support cavity shape cones of the trade mark SB-3 of fine silver cavity 8 cone inwalls of band kapillary 7, a red copper heat sink 2 and main link constitute.
The new shape two-chamber shape detector of this practicality can improve the detection sensitivity of instrument greatly.
Description of drawings
Fig. 1: cavity geometry synoptic diagram.
Fig. 2: two-chamber shape panel detector structure synoptic diagram.
The diagram numbering:
1 main cavity
2 red coppers are heat sink
3 auxilliary cavitys
4 thermal resistances
5 pure platinum wires
6 manganese-copper filaments
7 kapillaries
8 fine silver cavitys
Embodiment
Development technology flow process: make cavity and thermal resistance 4 moulds; Cavity and thermal resistance 4 are electroplated; Cavity and thermal resistance 4 demouldings; The cavity wrapping wire; The cavity secondary is silver-plated; The cavity spray is black; Cavity, thermal resistance 4 and heat sink welding; Dual chamber, thermal resistance 4 and heat sink 2 assemblings of red copper.Thereby accomplish cavity shape detector development process.
Cavity detector manufacturing process flow:
1. make cavity and thermal resistance 4 moulds: the shape and size of confirming cavity, thermal resistance 4 according to designing and calculating.Adopting material trademark is the aluminium of LY12, makes mould.
2. cavity, thermal resistance 4 electroplated: be shaped cavity, thermal resistance 4 moulds through electroplating, the thickness of electroplating silver layer is controlled through the size of current of time length when electroplating.
3 cavitys, thermal resistance 4 demouldings: it is 95% hydrochloric acid that the mould that will plate silver layer is put into concentration.The aluminum die hydrochloric acid that is corroded.The silver layer that stays is exactly a cavity of making detector.
4 cavity wrapping wires
4.1 heater strip: heater strip employing diameter is 0.05 millimeter an enamel-cover manganese-copper filament 6.The wrapping wire technological procedure is following:
A) manganese-copper filament 6 that one section resistance of intercepting is 300 Ω when 20 ℃ ± 2 ℃ of room temperatures.6 doublings of enamel-cover manganese-copper filament are bifilar.Cavity is enclosed within on the mould to prevent the cavity wire deformation.
B) enamel-cover manganese-copper filament 6 fold positions are located with the tip that 502 glue are fixed on silver-colored cone, be wound on the cone equably after solidifying.
C) cavity enamel-cover manganese-copper filament 6 is around to 70 millimeters of extension line head lengths the time, and manganese-copper filament is directly drawn.And be fixed on the silver-colored cone with 502 glue.
4.2 thermometric silk
4.2.1 thermometric silk employing diameter is 0.02 millimeter a pure platinum wire 5, earlier pure platinum wire 5 is shown
Face plating polyester enamel-cover insulation processing.
4.2.2 the wrapping wire technological procedure is following:
A) using diameter is 0.02 millimeter the pure platinum wire 5 of enamel-cover, and one section resistance of intercepting is 700 Ω ± pure platinum wire 5 of 2 Ω enamel-covers and carries out pure platinum wire 5 continuity checks of enamel-cover when 20 ℃ of room temperatures.
B) in order to prevent that the pure platinum wire 5 of mutual inductance enamel-cover from taking the bifilar coiling of doubling.In the pure platinum wire of enamel-cover 5 fold positions with the Cylinder root place of 502 glue bonds at silver-colored cavity.The pure platinum wire 5 of enamel-cover is by Cylinder root place, to cone direction uniform winding, around to pure platinum wire 5 of enamel-cover and enameled wire weld, is stained with para tape, then 0.1 millimeter enameled wire on the post of silver-colored cavity garden around on several circles, fix with 502 glue around two circle backs.
The pure platinum wire 5 of enamel-cover carefully fractures very much easily, at 5 liang of rear line head places of the pure platinum wire of enamel-cover, draws with 0.1 millimeter enameled wire welding.
The 5 cavity second layers are silver-plated: for the firing rate and reinforcing thermometric silk and the heater strip that improve the silk of heating, cavity second layer silver adopts the mode of vacuum plating silver.Technological procedure is following:
A) cavity is placed on the circumference of support, evenly distributes.Make the thickness of rete on cavity comparatively even.
B) cavity needs vacuum plating silver three covers at least in vacuum tank, and silver layer is wrapped in heater strip and thermometric silk in the middle of the silver layer securely.
6 cavitys spray paint
The preparation 6.1 cavity sprays paint: behind last heater strip and thermometric silk, evenly scald very thin low temperature scolding tin (low temperature scolding tin temperature is between the 92-95 degree) on the cavity at the garden of cavity porch ring back.On the one hand the physical strength of increase garden ring is welded the shortening time when cavity and thermal resistance on the other hand, avoids flatiron high temperature to make pitch-dark Jiao and influences pitch-dark performance.
6.2 cavity blackout: the cavity blackout adopts is that the organic chemistry trade mark SB-3 that succeeded in developing in Shanghai is pitch-dark, performance: (normal direction absorptivity) α
S=0.93, (effective ratio radiance) ε
N=0.94.Technological procedure is following:
A) prop up cavity in order to avoid cavity is out of shape with the special support of making, and will not spray black part with in the screening of paper circle.
B) with the pitch-dark special-purpose little shape spray gun of packing into.
C) the spray gun spout is aimed at the cavity large port, and evenly vaporific pitch-dark of ejection makes the surface form thin and one deck is pitch-dark uniformly, unnecessary pitch-dark will be from the chamber kapillary 7 of shape cone small end flow out, wait after pitch-dark the doing cavity port capillaceous is curved with the pliers folder.
The assembling of 7 detectors
7.1 the detector assembling: technological procedure is following:
A) thermal resistance 4 connects with red copper heat sink 2, with resistance 4 of low temperature scolding tin stationary heat and heat sink 2 positions of red copper.With thermal resistance 4 and heat sink 2 contact positions of the red copper circle of evenly burn-oning.
B) cavity connects with thermal resistance 4 and red copper heat sink 2, and with shaping annulus soldering iron, a pressure welding closely connects cavity and thermal resistance 4.
C) main cavity 1 (promptly accepting the cavity of radiation) temperature measurement signal line is drawn with heater wire and is drawn, in the process of drawing, the lead-in wire multiple spot with glue be fixed on heat sink on.Lead-in wire with pinprick of pinprick, passes pinprick with 4 lead-in wires during through the thermal resistance of auxilliary cavity 3 (promptly accepting the cavity of constant heat sink radiation) 4 garden posts on thermal resistance 4, be fixed on the circuit switching plate.
D) after the thermal resistance 4 of auxilliary cavity 3 is fixed with red copper heat sink 2; To assist cavity 3 again and be welded on the thermal resistance 4, the cavity of auxilliary cavity 3 also will be drawn two heater wires except drawing two temperature measurement signal lines; Four lead-in wires of 4 lead-in wires and main cavity 1 pass same pin hole, are fixed on the circuit switching plate.
F) so far whole detector has been accomplished main cavity 1, has been assisted the assembling of cavity 3, thermal resistance 4 and red copper heat sink 2, and has accomplished drawing according to the order of sequence of external wire.
Claims (2)
1. two-chamber shape detector; It is characterized in that: detector comprises a main cavity (1) that is shaped as taper band kapillary (7); Around last heating manganese-copper filament (6) and the pure platinum wire of thermometric (5), with a thermal resistance (4) through being welded to connect, be welded to connect with red copper heat sink (2) again; An auxilliary cavity (3) that is shaped as taper band kapillary (7) is welded to connect with second thermal resistance (4) around last heating manganese-copper filament (6) and the pure platinum wire of thermometric (5), welds with red copper heat sink (2) again; Draw two pure platinum wires of thermometric (5) and two heating manganese-copper filaments (6) cabling in hollow thermal resistance (4) in the main cavity (1) from two ends; After passing red copper heat sink (2); Pass through another thermal resistance (4) that heat sink with red copper (2) are connected again; Go up aperture of cutter in thermal resistance (4), from the hole, pass outwards through 2 pure platinum wires of thermometric (5) and 2 heating manganese-copper filament 6 cablings that 4 cablings that main cavity (1) draws and auxilliary cavity (3) are drawn, all are drawn away line ordering and are welded on the circuit switching plate; Draw cabling with the blister copper silk from wiring board again and lead to thermal resistance (4) outside, again with red copper heat sink (2) and main link assembling.
2. a kind of according to claim 1 two-chamber shape detector is characterized in that: around the pure platinum wire of thermometric (5), heating manganese-copper filament (6), housing surface adheres to the layer of metal film more then respectively for described main cavity (1) and auxilliary cavity (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204439984U CN202372259U (en) | 2011-11-10 | 2011-11-10 | Dual-chamber type detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204439984U CN202372259U (en) | 2011-11-10 | 2011-11-10 | Dual-chamber type detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202372259U true CN202372259U (en) | 2012-08-08 |
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ID=46595956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204439984U Expired - Fee Related CN202372259U (en) | 2011-11-10 | 2011-11-10 | Dual-chamber type detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202372259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655166A (en) * | 2018-12-11 | 2019-04-19 | 中国科学院长春光学精密机械与物理研究所 | A kind of multi-cavity absolute radiometer intersection calibration measurement method |
-
2011
- 2011-11-10 CN CN2011204439984U patent/CN202372259U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655166A (en) * | 2018-12-11 | 2019-04-19 | 中国科学院长春光学精密机械与物理研究所 | A kind of multi-cavity absolute radiometer intersection calibration measurement method |
| CN109655166B (en) * | 2018-12-11 | 2020-04-10 | 中国科学院长春光学精密机械与物理研究所 | Cross calibration measurement method for multi-cavity absolute radiometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20141110 |
|
| EXPY | Termination of patent right or utility model |