CN201804057U - Spectral characteristic identification device for photoresistor - Google Patents
Spectral characteristic identification device for photoresistor Download PDFInfo
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- CN201804057U CN201804057U CN2010202644621U CN201020264462U CN201804057U CN 201804057 U CN201804057 U CN 201804057U CN 2010202644621 U CN2010202644621 U CN 2010202644621U CN 201020264462 U CN201020264462 U CN 201020264462U CN 201804057 U CN201804057 U CN 201804057U
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Abstract
The utility model relates to a spectral characteristic identification device for a photoresistor. The device comprises a sealed black box, and a spectral characteristic switching device, a testing site and a resistance value measuring device are arranged in the black box, wherein the spectral characteristic switching device is used for emitting light with different characteristics; the testing site corresponds to the illuminating part of the spectral characteristic switching device and is used for placing the photoresistor to be tested, and two test jacks are arranged on the testing site; and two terminals of the resistance value measuring device, which are used for leading-in measuring photoresistance, are connected with the two test jacks. By adopting the spectral characteristic identification device for the photoresistor, the spectral characteristic identification of a resistor is relatively simple, the operating process is simplified and the detection efficiency is improved.
Description
Technical field
The utility model relates to photo-resistor spectral characteristic recognition technology, belongs to the detection of electrons field.
Background technology
Photo-resistor is exactly the resistor of light reflex sensitivity, is exactly the resistor that resistivity changes along with the power of incident light.Photo-resistor is exactly a kind of particular resistor of making according to semi-conductive photoelectric effect principle.After photo-resistor was subjected to illumination, its resistance can diminish.The resistance value gap is bigger at unglazed photograph with when illumination is arranged for photo-resistor, according to the spectral characteristic difference, photo-resistor can be divided into visible light photoresitor, ultraviolet light photo-resistor, infrared photoresistor, the resistor of different spectral characteristics only produces tangible resistance change to corresponding illumination, and for example infrared photoresistor only produces significantly reaction to the illumination of infrared light.Utilize this principle can detect photo-resistor.Usually, the resistance grade bit switch of multimeter is allocated to suitable gear according to the light resistance resistance size of photoresistance, gets final product cooperating peripheral circuit and certain technical conditions to test.But the photo-resistor of prior art detects, and lacks a kind of device of standard, makes and judges the resistance quality, particularly judges the photo-resistor spectral characteristic, complicated operation, and flow process is loaded down with trivial details.
The utility model content
The purpose of this utility model provides a kind of photo-resistor spectral characteristic recognition device, solves present photo-resistor spectral characteristic and differentiates the problem difficult, that flow process is loaded down with trivial details.
For achieving the above object, the scheme that the utility model adopts is: a kind of photo-resistor spectral characteristic recognition device, and this device comprises a sealing camera bellows, is provided with in the camera bellows: a spectral characteristic switching device shifter that is used to send different qualities light; A test position of placing the test light sensitive resistor with corresponding being used in the luminous site of this spectral characteristic switching device shifter, test is provided with two test jack on the position; A resistance measurement mechanism, two of the resistance measurement mechanism are used to introduce the terminal of measuring photoresistance and are connected two test jack.
Owing to adopted said structure, institute so that resistor spectral characteristic identifying operation simple and easy relatively, simplified operating process, improved detection efficiency.
Between the luminous site and test position of spectral characteristic switching device shifter, also being provided with one is used for the light that described spectral characteristic switching device shifter sends is converged optics concavees lens into directional light, these concavees lens and the described parallel placement of two test jack lines of testing the position, and the luminous site that makes the spectral characteristic switching device shifter is in the focus place of these concavees lens, utilize this concavees lens, make the light environment in the black box better.Described spectral characteristic switching device shifter comprises: power supply one end connects the fixed contact of a single pole multiple throw, the moving contact of single pole multiple throw has three at least, the light emitting diode of corresponding three different spectral characteristics respectively, the common port short circuit of three light emitting diodes, and connect the other end of power supply.Described spectral characteristic switching device shifter also comprises a regulon that is used to regulate light intensity.Described regulon is a pot, is connected between described power supply and the described single pole multiple throw.Described resistance measurement mechanism is a multimeter.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model embodiment 1;
Fig. 2 is the circuit theory diagrams of embodiment 3;
Fig. 3 is that the optical environment of embodiment 2 produces synoptic diagram;
Fig. 4 is the cabinet panel synoptic diagram.
Embodiment
Photo-resistor spectral characteristic recognition device of the present utility model is a sealing camera bellows, and casing is detachable, can completely cut off external light source after closing, and is provided with the spectral characteristic switching device shifter that is used to send different qualities light in the camera bellows; With the test position that the test light sensitive resistor is placed in corresponding being used in the luminous site of this spectral characteristic switching device shifter, test is provided with two test jack on the position; A resistance measurement mechanism, the terminal that two of resistance measurement mechanism are used to introduce measuring resistance is connected two test jack.As shown in Figure 1, the circuit of spectral characteristic switching device shifter comprises power supply P1, the hilted broadsword four throw switch K1 of serial connection, the light emitting diode (D1 of three different qualities, D2, D3) and a current-limiting resistance R1, three light emitting diode (D1, D2, D3) in parallel and respectively for three moving contacts of hilted broadsword four throw switch K1, another moving contact is unsettled.Hilted broadsword four throw switch K1 comprise its common port A and first contact A 1, second contact A 2, the 3rd contact A 3, the 4th contact point A4 of its correspondence, common port A is connected to power supply P1 positive pole, first contact is vacant, second, third, the 4th contact connects the positive pole of ultraviolet light-emitting diodes D1, infrared light light emitting diode D2 and white visible light emitting diode D3 respectively, receive the end of described current-limiting resistance R1 after the negative pole parallel connection of described three kinds of light emitting diodes, the other end of current-limiting resistance R1 links to each other with the negative pole of power supply P1.Resistance measurement mechanism D4 is a pointer multimeter, corresponding with the light emitting diode test position that is used to place the test light sensitive resistor is provided with the conductive test jack, the red test pencil end of pointer multimeter is connected in the conductive test jack 1 through lead, and the black meter pen end is connected in the conductive test jack 2 through lead.
During use, two pins of tested photo-resistor are inserted in the conductive hole, operating switch K1 successively, in pulling process, observe the beat of pointer situation of multimeter, the dial plate of multimeter is arranged on the outside surface of camera bellows, shown in 4, can differentiate the spectral characteristic of photo-resistor according to the present position of K switch 1 when finding that swinging significantly appears in pointer.Be provided with three light emitting diodes (D1, D2 D3) send ultraviolet light, infrared light, white visible light respectively, and test process is as follows:
1) photo-resistor to be identified is put in the test position of recognition device, the resistance two pins inserts test jack, closes casing, keeps its camera bellows environment.
2) before the test, guarantee that K switch 1 is positioned at A1 pin (promptly putting neutral gear), the switch of multimeter disconnects.
3) open the switch of multimeter, selector switch pushes ohmmeter 10K gear, the dark resistance of measuring light sensitive resistor, this dark resistance should near with infinity.If resistance value approaches 0, photo-resistor short circuit damage is described then.
4) pull waver K1 to A2 pin, A3 pin, A4 pin successively, stopped about 10 seconds at each gear.The pointer of observing multimeter changes, if multimeter when the A2 pin, swing significantly takes place in pointer, by approaching the infinitely great tens K ohms that point to, illustrates that then this photo-resistor is the ultraviolet light photo-resistor; If multimeter is when the A3 pin, swing significantly takes place in pointer, by approaching the infinitely great tens K ohms that point to, illustrates that then this photo-resistor is an infrared photoresistor; If multimeter is when the A4 pin, swing significantly takes place in pointer, by approaching the infinitely great tens K ohms that point to, illustrates that then this photo-resistor is a visible light photoresitor; If this photo-resistor all keeps approaching infinity in any gear resistance value, illustrate that then this resistor damages probably.
Only be with the different of embodiment 1, between light emitting diode and test position, an optics concavees lens F is set, the time light emitting diode position at optics concavees lens F focus place, as shown in Figure 2, these concavees lens F and the parallel placement of two test jack lines of testing the position, the light that diode can be sent converges and is directional light, parallel beam can make things convenient for photoresistance to experience illumination, as shown in Figure 3.
Be with the different of embodiment 2, a pot RP1 is set, be connected between power supply P1 and the single pole multiple throw K1, as shown in Figure 2.This pot RP1 makes the photoresistance value change the quality that can test photoresistance as a light intensity regulon according to intensity variation.After judging the photoresistance spectral characteristic, find out the gear that can make pointer that deflection significantly takes place, switch is stuck in this gear, regulate pot RP1, observe the multimeter pointer,, illustrate that then the photo-resistor sensitivity is good if pointer changes along with the variation of RP1, if pointer does not change along with the variation of RP1, illustrate that then the sensitivity of photo-resistor is lost.
The resistance measurement mechanism of present embodiment adopts a device that only has the measuring resistance function, have dial plate and do not have gear, can push corresponding pin pulling waver K1, make the light emitting diode emitting characteristics with the photoresistance spectral characteristic of testing at once, the dial plate pointer can be swung significantly and get final product.The resistance measurement mechanism can also adopt special-purpose resistance (voltage) module, and this module has digital Presentation Function.
Claims (6)
1. a photo-resistor spectral characteristic recognition device is characterized in that, this device comprises a sealing camera bellows, is provided with in the camera bellows: a spectral characteristic switching device shifter that is used to send different qualities light; A test position of placing the test light sensitive resistor with corresponding being used in the luminous site of this spectral characteristic switching device shifter, test is provided with two test jack on the position; A resistance measurement mechanism, two of the resistance measurement mechanism are used to introduce the terminal of measuring photoresistance and are connected two test jack.
2. a kind of photo-resistor spectral characteristic recognition device according to claim 1, it is characterized in that, between the luminous site and test position of spectral characteristic switching device shifter, also being provided with one is used for the light that described spectral characteristic switching device shifter sends is converged optics concavees lens into directional light, the parallel placement of two test jack lines of these concavees lens and described test position, and make the luminous site of spectral characteristic switching device shifter be in the focus place of these concavees lens.
3. a kind of photo-resistor spectral characteristic recognition device according to claim 2, it is characterized in that, described spectral characteristic switching device shifter comprises: power supply one end connects the fixed contact of a single pole multiple throw, the moving contact of single pole multiple throw has three at least, the light emitting diode of respectively corresponding three different spectral characteristics, the common port short circuit of three light emitting diodes, and connect the other end of power supply.
4. a kind of photo-resistor spectral characteristic recognition device according to claim 3 is characterized in that described spectral characteristic switching device shifter also comprises a regulon that is used to regulate light intensity.
5. a kind of photo-resistor spectral characteristic recognition device according to claim 4 is characterized in that described regulon is a pot, is connected between described power supply and the described single pole multiple throw.
6. according to each described a kind of photo-resistor spectral characteristic recognition device among the claim 1-5, it is characterized in that described resistance measurement mechanism is a multimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202644621U CN201804057U (en) | 2010-07-20 | 2010-07-20 | Spectral characteristic identification device for photoresistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202644621U CN201804057U (en) | 2010-07-20 | 2010-07-20 | Spectral characteristic identification device for photoresistor |
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| Publication Number | Publication Date |
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| CN201804057U true CN201804057U (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202644621U Expired - Lifetime CN201804057U (en) | 2010-07-20 | 2010-07-20 | Spectral characteristic identification device for photoresistor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370957A (en) * | 2016-10-12 | 2017-02-01 | 中国计量大学 | Two-needle photosensitive resistance detection mechanism |
| CN106623007A (en) * | 2016-11-17 | 2017-05-10 | 南阳理工学院 | Automatic photoresistor testing and sorting machine |
| CN106645165A (en) * | 2016-10-12 | 2017-05-10 | 中国计量大学 | Automatic detection apparatus of photoresistor |
| CN116930799A (en) * | 2023-09-15 | 2023-10-24 | 江苏森标科技有限公司 | Online sheet resistance detection system of battery piece |
-
2010
- 2010-07-20 CN CN2010202644621U patent/CN201804057U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370957A (en) * | 2016-10-12 | 2017-02-01 | 中国计量大学 | Two-needle photosensitive resistance detection mechanism |
| CN106645165A (en) * | 2016-10-12 | 2017-05-10 | 中国计量大学 | Automatic detection apparatus of photoresistor |
| CN106645165B (en) * | 2016-10-12 | 2019-10-01 | 中国计量大学 | A kind of photo resistance automatic detection device |
| CN106623007A (en) * | 2016-11-17 | 2017-05-10 | 南阳理工学院 | Automatic photoresistor testing and sorting machine |
| CN106623007B (en) * | 2016-11-17 | 2020-08-11 | 南阳理工学院 | Automatic photosensitive resistance test sorting machine |
| CN116930799A (en) * | 2023-09-15 | 2023-10-24 | 江苏森标科技有限公司 | Online sheet resistance detection system of battery piece |
| CN116930799B (en) * | 2023-09-15 | 2023-12-08 | 江苏森标科技有限公司 | Online sheet resistance detection system of battery piece |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110420 |
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| CX01 | Expiry of patent term |