CN203981186U - Anti-interference infrared tube - Google Patents
Anti-interference infrared tube Download PDFInfo
- Publication number
- CN203981186U CN203981186U CN201420097003.7U CN201420097003U CN203981186U CN 203981186 U CN203981186 U CN 203981186U CN 201420097003 U CN201420097003 U CN 201420097003U CN 203981186 U CN203981186 U CN 203981186U
- Authority
- CN
- China
- Prior art keywords
- tube
- draw
- pipe
- pipe cap
- infrared
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The disclosed a kind of anti-interference infrared tube of the utility model relates to electronic devices and components, pipe cap at two pipes is partly provided with draw-tube, the root edges of draw-tube is connected mutually with base outward flange, draw-tube retractable under the effect of external force but no longer change losing shape after external force, after draw-tube is retracted to a certain degree, pipe cap exposes outside pipe, otherwise, when telescopic tube to a certain extent after pipe cap hide in return pipe.The utility model by the draw-tube that formed by black material with common to duct ligation altogether, in the situation that not reducing pipe sensitivity, effectively realized anti-light interference.
Description
Technical field
The utility model relates to a kind of electronic devices and components, especially a kind of infrared tube with interference free performance.
Background technology
Infrared tube is infrared emission tube and photosensitive receiving tube, or infrared receiver tube, or infrared receiving terminal is combined together general name when using.Infrared ray is called infrared ray at spectrum medium wavelength from 0.76 to 400 micron one section, and all materials higher than absolute zero can produce infrared ray.Modern physics is referred to as heat ray.Infrared emission tube mainly contains three conventional wave bands in LED Packaging Industry, following 850NM, 875NM, 940NM.The product using according to the characteristic of wavelength also has very large difference, the infrared monitor control equipment that is mainly used in of 850NM wavelength, 875NM is mainly used in Medical Devices, 940NM wave band be mainly used in infrared control appliance.Photosensitive receiving tube is a PN junction with photosensitive feature, belongs to photodiode, has unilateral conduction, while therefore working, need add reverse voltage.During unglazed photograph, there is very little saturated reverse leakage current (dark current).Now not conducting of photosensitive tube.When illumination, saturated reverse leakage current increases at once, forms photocurrent, and in certain scope, it increases with the variation of incident intensity.Higher to the requirement of environment to pipe, it is easily subject to the interference of natural light and light when work, causes measurement result and trigger reaction inaccurate.
Below published to how improving some design and the improved technical information to pipe interference free performance, as:
1, the mounting bracket of [title] infrared tube, [application number] CN200720084139.4, the patent documentation of [publication number] CN201062963 discloses a kind of for electronic component on electromechanical equipment-pipe is installed to the fixedly support of use, whole support is by having pipe mounting hole, support fixing threaded hole, stake body to pipe signal wire outlet forms, outer peripheral face symmetry at stake body is milled with two planes simultaneously, installed surface as support and equipment, whole support adopts screw to be fixed up by support fixing threaded hole and equipment point-blank, the aperture to pipe mounting hole that carriage center is opened is determined by the maximum gauge to pipe, for easy for installation, its size slightly comparison pipe maximum gauge is large, for convenient, pipe is installed into mounting hole simultaneously, porch at mounting hole has chamfering.
2, the online turbidity transducer of [title] multipair Guan Bianguang self compensation, [patent No.] CN02250590.3, the patent documentation of [publication number] CN2596362 discloses a kind of multipair tube sensor, Ta You cleaning control mechanism, turbidity become send interface board, bent axle and connecting rod and piston and cleaning and wiping, reference turbidity is luminous and receive to pipe, detect the luminous and reception of turbidity to managing, measuring chamber interconnects composition; Wherein, cleaning control mechanism is connected with cleaning and wiping by bent axle, connecting rod, piston, turbidity change send interface board and cleaning control mechanism to be fixed together, and luminous with reference turbidity and receive pipe, to detect turbidity luminous and receive pipe is connected, cleaning and wiping, reference turbidity is luminous and receive pipe, to detect turbidity luminous and receive pipe is connected with measuring chamber.
3, [title] device for the overlapping edge of tubular film is sealed, [application number] 03806185.6, the patent documentation of [publication number] CN1642812 discloses a kind of device, this device has on a very short-range position and has a seal head at relative these guiding parts, sealing head is by having good mechanical strength, than treating that sealing film has less friction factor, the material with height thermal insulation is made, sealing head is connected by a compliant member or the joint component high-pressure hot air generator fixing with, and this generator is controlled with control assembly by suitable feeding, sealing head is arranged in propelling and retraction member, like this, when film moves forward, described seal head will be positioned at apart from described film and have on a short-range position at reasonable time, and under abundant mode of operation, and when film stops moving, sealing head can be retracted from described film in the suitable time.
Above-mentioned disclosed three devices or technique all relate to be improved the existing technology to pipe, but it is not obvious not to be suitable for other infrared tube of components and parts level or anti-jamming effectiveness, except usual method with the most use this is the sensitivity reducing pipe, the degree of accuracy that this has had a strong impact on pipe works, designing a kind of neither reduction has become the task of top priority to pipe sensitivity effectively antipollution light disturbs again method or equipment.
Summary of the invention
The utility model provides a kind of anti-interference infrared tube, has solved only having of encountering and reduce the problem that is just highly resistant to the interference of pollution light to managing sensitivity in using infrared tube.
The anti-interference infrared tube of the utility model comprises infrared emission tube, photosensitive receiving tube, anode and negative electrode, pipe cap at infrared emission tube and photosensitive receiving tube two pipes is partly provided with draw-tube, whole pipe cap is embedded in draw-tube inside, and draw-tube inwall does not contact with pipe cap; Draw-tube coincides with the symmetrical center line of base and the root edges of draw-tube is connected mutually with base outward flange.Draw-tube retractable under the effect of external force, but after losing external force, shape no longer changes.After draw-tube is retracted to a certain degree, pipe cap exposes outside pipe, otherwise, when telescopic tube to a certain extent after pipe cap hide in return pipe.
The color of described draw-tube is set to black, and length is determined as the case may be, the moderate strength of draw-tube, and the intensity of its material is between softwood matter and hard material.
The draw-tube that the anti-interference infrared tube of the utility model is used is formed by black material structure, and black material has a very outstanding advantage, and that can absorb most visible ray exactly.Being partly wrapped in draw-tube to the pipe cap of pipe, like this be provided with two advantages: first, make the part that transmits and receives of pipe come with the outer most of space obstacle of draw-tube pipe, most like this pollution light will be blocked in outside draw-tube pipe, cut off the route of transmission of polluting light; Secondly, strengthened pipe utilizing emitted light and received direction of light, having made photosensitive receiving tube can receive the light of more next infrared emission tubes, thereby improve the sensitivity to pipe.The utility model by the draw-tube that formed by black material with common to duct ligation altogether, in the situation that not reducing pipe sensitivity, effectively realized anti-light interference.
Accompanying drawing explanation
Fig. 1 is common infrared tube structural representation.
Structural representation when Fig. 2 is the anti-interference infrared tube draw-tube contraction of the utility model.
Structural representation when Fig. 3 is the anti-interference infrared tube telescopic tube of the utility model.
In figure: 1-infrared emission tube, 2-photosensitive receiving tube, 3-pipe cap, 4-base, 5-anode, 6-negative electrode, 7-draw-tube.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and in conjunction with embodiment below.
As shown in Figure 1, traditional infrared emission tube 1 and photosensitive receiving tube 2 be a pair of do not have draw-tube 7 to pipe.
As shown in Figure 2 and Figure 3, the anti-interference infrared tube of the utility model comprises infrared emission tube 1 and photosensitive receiving tube 2, anode 5, negative electrode 6, pipe cap 3 parts at two pipes are provided with draw-tube 7, whole pipe cap is embedded in draw-tube 7 inside, draw-tube 7 inwalls do not contact with pipe cap 3, and draw-tube 7 coincides with the symmetrical center line of base 4 and the root edges of draw-tube 7 is connected mutually with base 4 outward flanges.First pipe being welded on circuit or directly, test pipe, and the roughly orientation determination of pipe is got off, after assurance circuit is accurate, just can adjust having managed, the counterpart of two pipes is aligned with each other.By pulling draw-tube 7 to make its shortening or elongation, until the signal intensity that photosensitive receiving tube 2 receives reaches the desired level of user, just stop draw-tube 7 application of forces, now draw-tube is no longer flexible, and the reception that assurance photosensitive receiving tube 2 can be stable is from the signal of infrared emission tube 1.Top pulls the process of draw-tube to be exactly one and finds least interference in fact, and original signal receives the process of ratio maximum.
Infrared ray sensor comprises optical system, detecting element and change-over circuit.Optical system can be divided into transmission-type and reflective two classes by structure difference.Detecting element can be divided into temperature-sensitive detecting element and optical detection device by principle of work.What thermal sensing element application was maximum is thermistor.When thermistor is subject to infrared radiation, temperature raises, and resistance changes, and becomes electric signal export by change-over circuit.What optical detection device was conventional is light activated element, conventionally by materials such as vulcanized lead, lead selenide, indium arsenide, antimony arsenide, mercury cadmium telluride ternary alloy three-partalloy, germanium and silicon dopings, is made.
Exhibitions admission counter for number of people is exactly a kind of counting circuit by infrared emitting and reception.This counter can be used for the statistics of city exhibitions admission number.Circuit board is arranged on respectively to exhibitions entrance both sides, and relatively the door of approximately a meter high is upper, and infrared emission tube 1 points to photosensitive receiving tube 2.Power-on, according to a certain method counter is carried out preset, now in the porch of exhibitions, can be to having entered the passenger number automatic statistics of exhibitions.Its ultimate range transmitting and receiving can reach 8 meters, and after using the utility model, it can count accurately under indoor natural light, and without gloss being used to focusing measure, and counting is more accurate.
In sum, the anti-interference infrared tube of the utility model is simple in structure, uses flexibly and easily, has effectively realized anti-light and disturb in the situation that not reducing pipe sensitivity.
Claims (2)
1. an anti-interference infrared tube, comprise infrared emission tube (1), photosensitive receiving tube (2), anode (5) and negative electrode (6), it is characterized in that: pipe cap (3) part at infrared emission tube (1) and photosensitive receiving tube (2) two pipes is provided with draw-tube (7), whole pipe cap is embedded in draw-tube (7) inside, draw-tube (7) inwall does not contact with pipe cap (3), draw-tube (7) coincides with the symmetrical center line of base (4) and the root edges of draw-tube (7) is connected mutually with base (4) outward flange, draw-tube under the effect of external force (7) retractable, but after losing External Force Acting, its shape remains unchanged, after draw-tube (7) shrinks, pipe cap (3) exposes outside pipe, otherwise pipe cap (3) is hidden in return pipe after draw-tube (7) extends.
2. anti-interference infrared tube according to claim 1, its feature exists: the color of draw-tube (7) is black.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420097003.7U CN203981186U (en) | 2014-03-05 | 2014-03-05 | Anti-interference infrared tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420097003.7U CN203981186U (en) | 2014-03-05 | 2014-03-05 | Anti-interference infrared tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203981186U true CN203981186U (en) | 2014-12-03 |
Family
ID=51978616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420097003.7U Expired - Fee Related CN203981186U (en) | 2014-03-05 | 2014-03-05 | Anti-interference infrared tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203981186U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837172A (en) * | 2014-03-05 | 2014-06-04 | 赵剑毅 | Anti-interference infrared geminate transistors |
| CN106773616A (en) * | 2016-12-30 | 2017-05-31 | 江苏苏威尔科技有限公司 | A kind of moving object of environment resistant light interference is in the light time measurement device and method |
-
2014
- 2014-03-05 CN CN201420097003.7U patent/CN203981186U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837172A (en) * | 2014-03-05 | 2014-06-04 | 赵剑毅 | Anti-interference infrared geminate transistors |
| CN106773616A (en) * | 2016-12-30 | 2017-05-31 | 江苏苏威尔科技有限公司 | A kind of moving object of environment resistant light interference is in the light time measurement device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102869980B (en) | There is the gas sensor of radiation catheter | |
| KR101193492B1 (en) | An infrared fiber-optic probe for measuring the temperature of coolant system of nuclear power plant and the temperature measurement system using the same | |
| CN111060289B (en) | High-sensitivity coronagraph stray light detection device | |
| CN203981186U (en) | Anti-interference infrared tube | |
| CN208606859U (en) | A kind of photoelectric liquid level sensor | |
| CN101561517A (en) | Non-contact type detector and detecting method of liquid in pipe | |
| CN101256089A (en) | Optical fibre sensor with variable precision | |
| CN101410928B (en) | Dual-colour pyrometric measurement of x-ray focal spot temperature | |
| CN103837172A (en) | Anti-interference infrared geminate transistors | |
| CN104748767B (en) | Anti-interference light receiving sensor | |
| CN104792413A (en) | Laser power meter | |
| CN204906349U (en) | Correlation formula photoelectric switch | |
| CN209166467U (en) | A kind of background inhibition photoelectric sensor | |
| CN104297757B (en) | Electro-optical distance measurement device for robot | |
| CN210198501U (en) | Optical double-point liquid level sensor | |
| CN211528706U (en) | Wide-range gamma dose rate probe based on scintillator | |
| CN210405261U (en) | Photoelectric correlation switch | |
| CN204495463U (en) | A kind of solar energy electric transducer | |
| CN210400539U (en) | Optical pipeline type liquid level sensor | |
| CN105978545A (en) | Opposite type photoelectric switch | |
| CN207096818U (en) | A kind of electric pushrod | |
| CN107702765A (en) | HTHP extreme environment optical total-reflection type level sensor | |
| CN201600326U (en) | Laser sampling smoke detecting chamber | |
| CN210742502U (en) | A handheld distancer for outdoor measurement prevent sunlight burning out | |
| JP2000065937A (en) | Radiation detector |
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: 20141203 Termination date: 20170305 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |