CN205105293U - Infrared information detection device and have its image reading equipment - Google Patents
Infrared information detection device and have its image reading equipment Download PDFInfo
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- CN205105293U CN205105293U CN201520917518.1U CN201520917518U CN205105293U CN 205105293 U CN205105293 U CN 205105293U CN 201520917518 U CN201520917518 U CN 201520917518U CN 205105293 U CN205105293 U CN 205105293U
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- checkout gear
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Abstract
The utility model provides an infrared information detection device and have its image reading equipment. This infrared information detection device includes: the framework, circuit substrate, circuit substrate are installed on the first mounted position of framework, luminescence unit, luminescence unit are installed on the second mounted position of framework, luminescence unit and circuit base plate electrically connected, photic unit, photic unit are installed on the third mounted position of framework, photic unit and circuit base plate electrically connected, and photic unit and luminescence unit formation contained angle theta, and the contained angle between the contained angle between photic unit and the circuit substrate and luminescence unit and the circuit substrate equals, infrared light that the luminescence unit jetted out is used for shining the infrared frame of waiting to detect the contribution, and the photic unit is used for receiving the exciting light of the specific wavelength that infrared frame launches. The utility model discloses an infrared information detection device can not accurately detect the problem of being examined the infrared information on the image in can solving prior art.
Description
Technical field
The utility model relates to image information detection field, in particular to a kind of infrared information checkout gear and the image-reading device with it.
Background technology
Along with the development of information technology, the infrared information on image is widely used in image information detection field.Existing infrared information checkout gear, when using infrared information on infrared light detection image, by detecting the infrared light reflected by infrared information face on image, or by detecting the infrared light through infrared information face on image, detecting and reading Infrared Image Information.
Along with the design of the infrared information on image, infrared information face on image is penetrated as detecting illumination for by infrared light, infrared information on irradiated image can excite the exciting light sending the image information carrying infrared information face, the infrared light of irradiation is received detection by existing infrared information checkout gear together with the exciting light inspired, and existing infrared information the checkout gear infrared light cannot differentiating irradiation and the exciting light inspired, therefore existing infrared information checkout gear can not detect exactly and read the infrared information on tested image.
Utility model content
Main purpose of the present utility model is the image-reading device providing a kind of infrared information checkout gear and have it, to solve the problem that can not detect the infrared information on tested image in prior art exactly.
To achieve these goals, according to an aspect of the present utility model, provide a kind of infrared information checkout gear, comprising: framework, framework has the first installation site, the second installation site and the 3rd installation site; Circuit substrate, circuit substrate is arranged on the first installation site; Luminescence unit, luminescence unit is arranged on the second installation site, and luminescence unit is electrically connected with circuit substrate; Light receiving unit, light receiving unit is arranged on the 3rd installation site, and light receiving unit is electrically connected with circuit substrate, and light receiving unit and luminescence unit form angle theta, and angle between light receiving unit and circuit substrate is equal with the angle between luminescence unit and circuit substrate; The infrared light of luminescence unit injection for irradiating the infrared information image of contribution to be detected, the exciting light of specific wavelength of light receiving unit for receiving infrared information image emissions and going out.
Further, light receiving unit comprises the first mounting base and light LED, and the first mounting base is arranged in framework, and light LED is arranged on the first mounting base, and light LED is electrically connected with circuit substrate.
Further, light receiving unit comprises the first mounting base, photo-sensitive cell and infrared fileter, first mounting base is arranged in framework, photo-sensitive cell is arranged on the first mounting base, photo-sensitive cell is electrically connected with circuit substrate, and infrared fileter for filter infrared information image reflection infrared light after, so that exciting light is sent to photo-sensitive cell.
Further, infrared fileter is infrared light filter membrane, and infrared light filter membrane is pasted onto on the first mounting base, and photo-sensitive cell is between the first mounting base and infrared light filter membrane.
Further, infrared information checkout gear also comprises lens pillar, and lens pillar is arranged in framework, and what the light receiving position of light receiving unit was positioned at lens pillar goes out optical focus place.
Further, luminescence unit comprises the second mounting base and LED infrared light supply, and the second mounting base is arranged in framework, and LED infrared light supply is arranged on the second mounting base, and LED infrared light supply is electrically connected with circuit substrate.
Further, infrared information checkout gear also comprises light conductor, and light conductor is arranged on the second mounting base, and LED infrared light supply is positioned at the incident light source position of light conductor, and the infrared light that light conductor derivation LED infrared light supply sends is to irradiate infrared information image.
Further, light conductor has the first side and the second side, the bottom side be oppositely arranged and bright dipping side that are oppositely arranged and the mirrored sides be arranged between bottom side and bright dipping side, LED infrared light supply is positioned on the end of the end of the first side of light conductor and/or the second side of light conductor, and bottom side is provided with reflecting pattern, wherein, the part or all of of profile molded line of mirrored sides is parabola, and bottom side is by parabolical focus.
According to another aspect of the present utility model, provide a kind of image-reading device, this image-reading device comprises housing and infrared information checkout gear, and infrared information checkout gear is aforesaid infrared information checkout gear.
Further, image-reading device also comprises: control part, and control part is electrically connected with the circuit substrate of infrared information checkout gear; Output device, output device is electrically connected with control part, and the information of the infrared information image of the contribution to be detected that control part reads according to infrared information checkout gear controls output device output detections result.
Application the technical solution of the utility model, this infrared information checkout gear comprises framework, circuit substrate, luminescence unit and light receiving unit, circuit substrate is arranged on the first installation site of framework, luminescence unit is arranged on the second installation site of framework, light receiving unit is arranged on the 3rd installation site of framework, and luminescence unit is all electrically connected with circuit substrate with light receiving unit.When luminescence unit sends infrared light and is radiated on infrared information image, infrared information image can under the exciting of infrared light, inspire the exciting light of specific wavelength, then infrared information image by infrared light reflection and simultaneously by excitation light emission to light receiving unit, light receiving unit of the present utility model only receives that infrared information image emissions goes out and is sent to the exciting light of light receiving unit, and filtered out by the infrared light reflected back, thus detect the infrared information on infrared information image exactly.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural principle schematic diagram of the first embodiment according to infrared information checkout gear of the present utility model;
Fig. 2 shows the structural principle schematic diagram of the second embodiment according to infrared information checkout gear of the present utility model;
The structural representation of the light conductor of Fig. 3 crucial point infrared information checkout gear of the present utility model.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, framework; 20, circuit substrate;
30, luminescence unit; 31, the second mounting base;
32, LED infrared light supply; 40, light receiving unit;
41, the first mounting base; 42, light LED;
43, infrared fileter; 50, contribution to be detected;
501, infrared information image; 60, light conductor;
61, the first side; 62, the second side;
63, bottom side; 64, bright dipping side;
65, mirrored sides; 70, reflecting pattern.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As shown in Figure 1, first embodiment of the present utility model provides a kind of infrared information checkout gear, this infrared information checkout gear comprises framework 10, circuit substrate 20, luminescence unit 30 and light receiving unit 40, framework 10 has the first installation site, second installation site and the 3rd installation site, circuit substrate 20 is arranged on the first installation site, luminescence unit 30 is arranged on the second installation site, luminescence unit 30 is electrically connected with circuit substrate 20, light receiving unit 40 is arranged on the 3rd installation site, light receiving unit 40 is electrically connected with circuit substrate 20, light receiving unit 40 and luminescence unit 30 form angle theta, and angle between light receiving unit 40 and circuit substrate 20 is equal with the angle between luminescence unit 30 and circuit substrate 20 (when in the first installation site, its space of a whole page is in level to circuit substrate 20, light receiving unit 40 is equal with the angle α between vertical plane with luminescence unit 30 with the angle β between vertical plane), and the infrared light that luminescence unit 30 penetrates is for irradiating the infrared information image 501 of contribution 50 to be detected, the exciting light of specific band of light receiving unit 40 for receiving infrared information image 501 and launching.In a first embodiment, luminescence unit 30 and light receiving unit 40 are adjustable ground connected mode, and (namely the size of angle β and angle α is adjustable, thus realize luminescence unit 30 and can irradiate infrared information image 501 with different irradiating angles, and light receiving unit 40 is made to realize receiving exciting light smoothly).
When luminescence unit 30 sends infrared light and is radiated on infrared information image 501, infrared information image 501 can under the exciting of infrared light, inspire the exciting light of specific wavelength, then infrared information image 501 by infrared light reflection and simultaneously by excitation light emission to light receiving unit 40, light receiving unit 40 of the present utility model only receives that infrared information image 501 is launched and is sent to the exciting light of light receiving unit 40, and filtered out by the infrared light reflected back, thus detect the infrared information of infrared information image 501 exactly.
In a first embodiment, in order to can easily light receiving unit 40 be arranged in framework 10 quickly and accurately, thus, light receiving unit 40 comprises the first mounting base 41 and light LED42, first mounting base 41 is arranged in framework 10, light LED is arranged on the first mounting base 41, and light LED42 is electrically connected with circuit substrate 20.Utilize after the first mounting base 41 couples of light LED42 carry out pre-installation, and then be arranged in framework 10 by the first mounting base 41, thus reduce the installation difficulty of light receiving unit 40.First mounting base 41 forms infrared information receiver with light LED42, the feature (i.e. the feature of light LED) of this infrared information receiver is more responsive to the exciting light of the specific wavelength excited after being irradiated infrared information image 501 by infrared light or laser, and directly launches for luminescence unit 30 and the infrared light reflected by infrared information image 501 is completely insensitive.
As shown in Figure 1, in the same manner, in order to easily luminescence unit 30 is arranged in framework 10 quickly and accurately, thus, luminescence unit 30 comprises the second mounting base 31 and LED infrared light supply 32, second mounting base 31 is arranged in framework 10, and LED infrared light supply 32 is arranged on the second mounting base 31, and LED infrared light supply 32 is electrically connected with circuit substrate 20.Utilize the second mounting base 31 pairs of LED infrared light supplies 32 carry out pre-installation after form infrared transmitter, be then arranged in framework 10 by the second mounting base 31, like this to reduce the installation difficulty of luminescence unit 30.The infrared transmitter be made up of the second mounting base 31 and LED infrared light supply 32 can send a kind of infrared light or laser of specific wavelength, also can be the infrared light of one or more wavelength and the combined light of laser.
Preferably, in a first embodiment, infrared information checkout gear also comprises lens pillar (not shown), lens pillar is arranged in framework 10, and what the light receiving position of light receiving unit 40 was positioned at lens pillar goes out optical focus place (position of lens pillar between light receiving unit 40 and infrared information image 501).After the infrared light launched from LED infrared light supply 32 or laser are radiated on infrared information image 501, by infrared information image 501 by infrared light or laser reflection to light receiving unit 40, and by infrared information image 501, the exciting light of the specific wavelength inspired is irradiated to light receiving unit 40, in order to the utilization ratio of light in communication process can be improved, reduce light loss, thus between infrared information image 501 and light receiving unit 40, be provided with lens pillar.Light can be converged by lens pillar, thus reduce light loss to improve light utilization ratio.
As Fig. 1 and Fig. 3, in a first embodiment, light loss and the uncertain problem of optical propagation direction is there is equally in the infrared light sent due to luminescence unit 30 in the process propagated, therefore, infrared information checkout gear also comprises light conductor 60, light conductor 60 is arranged on the second mounting base 31, and LED infrared light supply 32 is positioned at the incident light source position of light conductor 60, and light conductor 60 derives infrared light that LED infrared light supply 32 sends to irradiate infrared information image 501.Infrared information checkout gear of the present utility model makes the infrared light sent by luminescence unit 30 after light conductor 60 carries out leaded light, and Infrared irradiation is on infrared information image 501.The direction of propagation of the infrared light after light conductor 60 leaded light is determined, and staff according to the needs in actual testing process, can regulate light conductor 60, thus adjustment light conductor 60 pairs of infrared lights carry out the direction of propagation after leaded light.While determining the direction of propagation of infrared light, light conductor 60 pairs of infrared lights converge, thus reduce the light loss of infrared light in the process exposing to infrared information image 501, improve light utilization ratio.
Particularly, as shown in Figure 3, light conductor 60 has the first side 61 and the second side 62, the bottom side 63 be oppositely arranged and bright dipping side 64 that are oppositely arranged and the mirrored sides 65 be arranged between bottom side 63 and bright dipping side 64, LED infrared light supply 32 is positioned on the end of the end of the first side 61 of light conductor 60 and/or the second side 62 of light conductor 60, and bottom side 63 is provided with reflecting pattern 70, wherein, the part or all of of profile molded line of mirrored sides 65 is parabola, and bottom side 63 is by parabolical focus.The Infrared irradiation sent from LED infrared light supply 32 is on reflecting pattern 70, then through reflecting pattern 70 by infrared light reflection in mirrored sides 65, mirrored sides 65 can carry out total reflection by propagating the infrared light of coming, and convergence light carried out to a certain degree, infrared light can be shone out from bright dipping side 64 with less parallel light, be irradiated on infrared information image 501.In order to the optical efficiency of the infrared light through light conductor 60 can be made better, bright dipping side 64 can be set to convex surface, and this convex surface is given prominence to towards the direction away from bottom side 63, can converge further like this, thus improve optical efficiency further to the infrared light reflected back from mirrored sides 65.When the light intensity shone out after light conductor 60 leaded light is too strong, need the light intensity reducing the infrared light irradiated from bright dipping side 64, now, bright dipping side 64 can be set to concave surface, this concave surface facing direction near reflecting pattern 70 is given prominence to, so infrared light can be dispersed, to reduce the light intensity of infrared light.
As shown in Figure 2, it illustrates the structural representation of the second embodiment of the present utility model.In the second embodiment of the present utility model, light receiving unit 40 comprises the first mounting base 41, photo-sensitive cell and infrared fileter 43, first mounting base 41 is arranged in framework 10, photo-sensitive cell is arranged on the first mounting base 41, photo-sensitive cell is electrically connected with circuit substrate 20, and infrared fileter 43 for filter infrared information image 501 reflect infrared light after so that exciting light is sent to photo-sensitive cell.In the present embodiment, by infrared fileter 43, the infrared light directly reflected back from infrared information image 501 is filtered out, thus only have exciting light can by infrared fileter 43, after photo-sensitive cell receives exciting light, light signal is converted to electric signal transmission in circuit substrate 20 by photo-sensitive cell.In a second embodiment, due to infraredly having been filtered out by infrared fileter 43 of directly reflecting back, therefore, the photo-sensitive cell that photo-sensitive cell can be general also can be only to exciting light activated photo-sensitive cell.Particularly, in a second embodiment, infrared fileter 43 is infrared light filter membrane, and infrared light filter membrane is pasted onto on the first mounting base 41, and photo-sensitive cell is between the first mounting base 41 and infrared light filter membrane.Second embodiment is compared with the first embodiment, and in the second embodiment except the difference of said structure, all the other structures are all identical, do not repeat them here.
According to another aspect of the present utility model, provide a kind of image-reading device, this image-reading device comprises housing and infrared information checkout gear, and in image-reading device of the present utility model, this infrared information checkout gear is aforesaid infrared information checkout gear.
Particularly, image-reading device of the present utility model also comprises control part and output device, control part is electrically connected with the circuit substrate 20 of infrared information checkout gear, output device is electrically connected with control part, and the information of the infrared information image 501 of the contribution to be detected 50 that control part reads according to infrared information checkout gear controls output device output detections result.After light receiving unit 40 receives exciting light, the light signal of exciting light is converted to the signal of telecommunication export to circuit substrate 20, transmission through circuit substrate 20 is amplified, then the signal of telecommunication is delivered in control part, signal data after control part processes can export from output device, and staff directly can observe the testing result of the infrared information detected from output device.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. an infrared information checkout gear, is characterized in that, comprising:
Framework (10), described framework (10) has the first installation site, the second installation site and the 3rd installation site;
Circuit substrate (20), described circuit substrate (20) is arranged on described first installation site;
Luminescence unit (30), described luminescence unit (30) is arranged on described second installation site, and described luminescence unit (30) is electrically connected with described circuit substrate (20);
Light receiving unit (40), described light receiving unit (40) is arranged on described 3rd installation site, described light receiving unit (40) is electrically connected with described circuit substrate (20), described light receiving unit (40) and described luminescence unit (30) form angle theta, and angle between described light receiving unit (40) and described circuit substrate (20) is equal with the angle between described luminescence unit (30) and described circuit substrate (20);
The infrared light that described luminescence unit (30) penetrates for irradiating the infrared information image (501) of contribution to be detected (50), the exciting light of specific wavelength of described light receiving unit (40) for receiving described infrared information image (501) and launching.
2. infrared information checkout gear according to claim 1, it is characterized in that, described light receiving unit (40) comprises the first mounting base (41) and light LED (42), described first mounting base (41) is arranged in described framework (10), described light LED is arranged on described first mounting base (41), and described light LED (42) is electrically connected with described circuit substrate (20).
3. infrared information checkout gear according to claim 1, it is characterized in that, described light receiving unit (40) comprises the first mounting base (41), photo-sensitive cell and infrared fileter (43), described first mounting base (41) is arranged in described framework (10), described photo-sensitive cell is arranged on described first mounting base (41), described photo-sensitive cell is electrically connected with described circuit substrate (20), and described infrared fileter (43) is for after the described infrared light that filters described infrared information image (501) and reflect, so that described exciting light is sent to described photo-sensitive cell.
4. infrared information checkout gear according to claim 3, it is characterized in that, described infrared fileter (43) is infrared light filter membrane, described infrared light filter membrane is pasted onto on described first mounting base (41), and described photo-sensitive cell is positioned between described first mounting base (41) and described infrared light filter membrane.
5. infrared information checkout gear according to any one of claim 1 to 4, it is characterized in that, described infrared information checkout gear also comprises lens pillar, described lens pillar is arranged in described framework (10), and what the light receiving position of described light receiving unit (40) was positioned at described lens pillar goes out optical focus place.
6. infrared information checkout gear according to claim 5, it is characterized in that, described luminescence unit (30) comprises the second mounting base (31) and LED infrared light supply (32), described second mounting base (31) is arranged in described framework (10), described LED infrared light supply (32) is arranged on described second mounting base (31), and described LED infrared light supply (32) is electrically connected with described circuit substrate (20).
7. infrared information checkout gear according to claim 6, it is characterized in that, described infrared information checkout gear also comprises light conductor (60), described light conductor (60) is arranged on described second mounting base (31), and described LED infrared light supply (32) is positioned at the incident light source position of described light conductor (60), described light conductor (60) derives infrared light that described LED infrared light supply (32) sends to irradiate described infrared information image (501).
8. infrared information checkout gear according to claim 7, it is characterized in that, described light conductor (60) has the first side (61) and the second side (62) that are oppositely arranged, the bottom side (63) be oppositely arranged and bright dipping side (64) and the mirrored sides (65) be arranged between described bottom side (63) and described bright dipping side (64), described LED infrared light supply (32) is positioned on the end of the end of first side (61) of light conductor (60) and/or second side (62) of described light conductor (60), and described bottom side (63) is provided with reflecting pattern (70), wherein, the part or all of of profile molded line of described mirrored sides (65) is parabola, described bottom side (63) is by described parabolical focus.
9. an image-reading device, this image-reading device comprises housing and infrared information checkout gear, it is characterized in that, the infrared information checkout gear of described infrared information checkout gear according to any one of claim 1 to 8.
10. image-reading device according to claim 9, is characterized in that, described image-reading device also comprises:
Control part, described control part is electrically connected with the circuit substrate (20) of described infrared information checkout gear;
Output device, described output device is electrically connected with described control part, and the information of the infrared information image (501) of the contribution to be detected (50) that described control part reads according to described infrared information checkout gear controls described output device output detections result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520917518.1U CN205105293U (en) | 2015-11-17 | 2015-11-17 | Infrared information detection device and have its image reading equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520917518.1U CN205105293U (en) | 2015-11-17 | 2015-11-17 | Infrared information detection device and have its image reading equipment |
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| Publication Number | Publication Date |
|---|---|
| CN205105293U true CN205105293U (en) | 2016-03-23 |
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| CN201520917518.1U Active CN205105293U (en) | 2015-11-17 | 2015-11-17 | Infrared information detection device and have its image reading equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391905A (en) * | 2015-11-17 | 2016-03-09 | 威海华菱光电股份有限公司 | Infrared information detection device and image reading equipment with same |
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2015
- 2015-11-17 CN CN201520917518.1U patent/CN205105293U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391905A (en) * | 2015-11-17 | 2016-03-09 | 威海华菱光电股份有限公司 | Infrared information detection device and image reading equipment with same |
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