CN2663957Y - Photoconductive tube type photoelectric temperature sensor - Google Patents
Photoconductive tube type photoelectric temperature sensor Download PDFInfo
- Publication number
- CN2663957Y CN2663957Y CN 200320127968 CN200320127968U CN2663957Y CN 2663957 Y CN2663957 Y CN 2663957Y CN 200320127968 CN200320127968 CN 200320127968 CN 200320127968 U CN200320127968 U CN 200320127968U CN 2663957 Y CN2663957 Y CN 2663957Y
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- main body
- photoconductive tube
- sampling
- photosensitive circuit
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Abstract
A photoconductive tube type photoelectric temperature sensor comprises a main body, wherein, the inside of the main body is provided with a beam-splitting prism and an eyepiece; the input end of the main body is provided with an optical pipe, while the output end is provided with a photosensitive circuit board; the main body is provided with collimation screws and a locking buckle; the collimation screws pass through the surface of the main body and are evenly distributed along the circumference of the cross section of the main body; the output signal of the photosensitive circuit board is transmitted to a connector; the photosensitive circuit board comprises a photosensitive cell, a sampling resistance and a sampling potentiometer; the sampling resistance and the sampling potentiometer are connected to both sides of the photosensitive cell after being connected in parallel; in addition, sampling signal is output through the adjustable end of the sampling potentiometer and the negative end of the photosensitive cell. The utility model is characterized in that: due to adopting optical pipe, light path interference is effectively overcome and no conducting wire is needed during use; meanwhile, the utility model can be conveniently connected with various detecting instruments and user can complete simple repair when the optical pipe is damaged. The utility model provides user with a temperature sensor of high precision, high sensitivity and convenient use.
Description
Technical field
The utility model relates to a kind of measurement mechanism, is specifically related to a kind of photoconduction tubular type photoelectric temperature sensor.
Background technology
In a lot of commercial production, temperature control plays decisive action for product quality.At present, the platinum rhodium thermocouple that China's stove thermometric adopts costs an arm and a leg, and because of the weak point in serviceable life, consumption is but very big.Enterprise is improved the quality of products and reduces cost totally unfavorable.In addition, because the thermal inertia of thermopair conduction is big, sensitivity is low, needs compensating wire because of influenced by cold junction, and usable range is limited, and is also very inconvenient.Adopt infrared temperature-test technology, then do not fix because of emitter and light path interference etc. caused than mistake, also is difficult to meet the demands.
The patent No. is 99250541.0 optical fiber type temperature measurer a cases that are used for heat generator by name, the method (chromatogram measuring principle) that its temperature measurement fraction system adopts temperature measuring head and exports the chromatogram light wave through optical fiber; The patent No. is 00220257.3 high speed infrared Radiation Temperature Measurement Instrument a case by name, and its temperature measurement fraction system adopts and can divide the method (double-colored measuring principle) of optical fiber through the different light wave of bundle knot output two bundle wavelength.Because its complex structure, adopt optical fiber output, cause the inconvenience of use and cost an arm and a leg.These cause its difficulty of applying.
Before-mentioned products generally when damaging the user can't repair, can only do to scrap processing.
Overcoming the many disadvantages of before-mentioned products, provide the temperature measuring equipment of update to enterprise, is the current technical task that faces.
The utility model content
The purpose of this utility model is to provide high precision, high sensitivity, easy to use and user can simply repair the temperature measuring equipment of use voluntarily.
For this reason, the utility model photoconduction tubular type photoelectric temperature sensor comprises main body, and main body is built-in with Amici prism and eyepiece, and the input end of main body is equipped with photoconductive tube, and its output terminal is equipped with the photosensitive circuit plate.Main body is provided with collimation screw and tight locking button, and the collimation screw passes body surfaces and is evenly distributed on the circumference in its cross section.The output signal of photosensitive circuit plate is connected to plug connector.
The utility model photoconduction tubular type photoelectric temperature sensor, wherein, the photosensitive circuit plate is made up of light-sensitive cell, sample resistance and sampling potentiometer, be connected to the two ends of light-sensitive cell after sample resistance and the parallel connection of sampling potentiometer, sampled signal is by the negative terminal output of the adjustable end and the light-sensitive cell of sampling potentiometer.
The utility model photoconduction tubular type photoelectric temperature sensor wherein, is equipped with optical filter between Amici prism and the photosensitive circuit plate.
The utility model photoconduction tubular type photoelectric temperature sensor, wherein, the model of light-sensitive cell is 2CU30S.
The utility model photoconduction tubular type photoelectric temperature sensor, wherein, the length of photoconductive tube is 0.8-2m, external diameter is φ 25.
The utility model photoconduction tubular type photoelectric temperature sensor, wherein, photoconductive tube is the high temperature porcelain tube.
The utility model photoconduction tubular type photoelectric temperature sensor, wherein, photoconductive tube is 99 diamond spar pipes.
Characteristics of the present utility model are: owing to adopted photoconductive tube, overcome the light path interference problem effectively.Need not compensating wire in the use, can link to each other easily with various measuring instruments.The user can do simple reparation voluntarily when photoconductive tube has damage.It provides high precision, high sensitivity, temperature sensor easy to use for the user, becomes the temperature measuring equipment of the upgrading of outmoded enterprise.
Description of drawings
Fig. 1 is the utility model photoconduction tubular type photoelectric temperature sensor construction front view;
Fig. 2 is the internal organs view of the utility model sensor;
Fig. 3 is the A-A diagrammatic cross-section of Fig. 2;
Fig. 4 is the circuit diagram of the utility model photosensitive circuit plate.
Embodiment
By Fig. 1～Fig. 3 as seen, the utility model provides a kind of photoconduction tubular type photoelectric temperature sensor, comprises main body 1, and main body 1 is built-in with Amici prism 2 and eyepiece 3.The input end of main body 1 is equipped with photoconductive tube 4, and its output terminal is equipped with photosensitive circuit plate 5.Main body 1 is provided with collimation screw 7 and tight locking button 8, and collimation screw 7 passes main body 1 surface and is evenly distributed on the circumference in its cross section.The output signal of photosensitive circuit plate 5 is connected to plug connector 6.
Photosensitive circuit plate 5 is made up of light-sensitive cell 51, sample resistance 52 and sampling potentiometer 53, is connected to the two ends of light-sensitive cell 51 after sample resistance 52 and 53 parallel connections of sampling potentiometer, and sampled signal is by the negative terminal output of the adjustable end and the light-sensitive cell 51 of sampling potentiometer 53.It is the light-sensitive cell of 2CU30S that the embodiment that the utility model provides adopts model.
In other embodiment, can install optical filter 9 between Amici prism 2 and the photosensitive circuit plate 5.
The utility model utilizes the optical radiation of furnace temperature, enters main body 1 through photoconductive tube 4, is radiated on the light activated element after the light path through adopting usually.Light activated element produces photocurrent, through load output furnace temperature signal.Not polluted by light path because photoconductive tube 4 protections are arranged, reach high precision and high sensitivity.Be not subjected to cold junction temperature effect because of it does not resemble thermocouple measurement, thereby do not need external compensating wire, use easily.
The following describes the alignment method of photoconductive tube 4.Open eyepiece 3, observe the position of the ring of light, unclamp tight locking button 8 and three collimation screws 7, sensor can move up and down, so that the ring of light is aimed at stain (field stop hole) central authorities, tightens three collimation screws 7 and tight locking button 8 then respectively, promptly adjusts to finish.
When the horizontal slotting use of photoconductive tube 4, if because high thermal deformation, produce crookedly, with answering the Rotate 180 degree to install after a period of time, perhaps, when photoconductive tube damages when needing to change fully, the alignment method of all available above-mentioned photoconductive tube 4 is corrected.This makes temperature sensor provided by the utility model simply repair to use voluntarily to the user convenience is provided.
Claims (7)
1. a photoconduction tubular type photoelectric temperature sensor comprises main body (1), and described main body (1) is built-in with Amici prism (2) and eyepiece (3), it is characterized in that the input end of described main body (1) is equipped with photoconductive tube (4), and its output terminal is equipped with photosensitive circuit plate (5); Described main body (1) is provided with collimation screw (7) and tight locking button (8), and described collimation screw (7) passes described main body (1) surface and is evenly distributed on the circumference in its cross section; The output signal of described photosensitive circuit plate (5) is connected to plug connector (6).
2. sensor according to claim 1, it is characterized in that described photosensitive circuit plate (5) is made up of light-sensitive cell (51), sample resistance (52) and sampling potentiometer (53), be connected to the two ends of described light-sensitive cell (51) after described sample resistance (52) and described sampling potentiometer (53) parallel connection, sampled signal is by the negative terminal output of the adjustable end and the described light-sensitive cell (51) of described sampling potentiometer (53).
3. sensor according to claim 1 and 2 is characterized in that between described Amici prism (2) and the described photosensitive circuit plate (5) optical filter (9) being housed.
4. sensor according to claim 3, the model that it is characterized in that light-sensitive cell (51) is 2CU30S.
5. sensor according to claim 4, the length that it is characterized in that described photoconductive tube (4) is 0.8-2m, external diameter is φ 25.
6. sensor according to claim 5 is characterized in that described photoconductive tube (4) is the high temperature porcelain tube.
7. sensor according to claim 6 is characterized in that described photoconductive tube (4) is 99 diamond spar pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320127968 CN2663957Y (en) | 2003-12-17 | 2003-12-17 | Photoconductive tube type photoelectric temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320127968 CN2663957Y (en) | 2003-12-17 | 2003-12-17 | Photoconductive tube type photoelectric temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2663957Y true CN2663957Y (en) | 2004-12-15 |
Family
ID=34349741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320127968 Expired - Fee Related CN2663957Y (en) | 2003-12-17 | 2003-12-17 | Photoconductive tube type photoelectric temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2663957Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394425A (en) * | 2010-04-27 | 2012-03-28 | 泰科电子公司 | Connector assembly including a floatable light pipe assembly |
-
2003
- 2003-12-17 CN CN 200320127968 patent/CN2663957Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394425A (en) * | 2010-04-27 | 2012-03-28 | 泰科电子公司 | Connector assembly including a floatable light pipe assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |