CN2537023Y - Optical path device with multi-reflection of multi-faceted mirror - Google Patents

Abstract

An optical path device with multiple reflections of a multi-faceted mirror is installed in a scanning machine and has a light source assembly, a reflection assembly, a lens assembly, and a conversion assembly. The light source assembly provides light to the original, and the light reflected by the original passes through the The reflective component gathers the image to the lens component, and then converts it into a digital signal through the conversion component. The reflective component is equipped with at least four reflectors, allowing the light to travel between the reflectors, and at least one reflector passes through the light at least twice. reflection, thus forming the optical path.

Description

Optical path device with multi-reflection of multi-faceted mirror

technical field

The utility model relates to an optical path device for multiple reflections of a multi-faceted mirror, in particular to a configuration structure for a scanning machine and a reflection assembly with four reflection mirrors to generate multiple light reciprocating movements therebetween.

Background technique

Existing optical scanners use reflection to obtain images on the original. As shown in Figure 1, there is a light source unit 11 that provides a linear light source, a reflection unit 12 therebetween, and a lens unit 13 and a conversion unit 14 that receive light. ; As for the reflective unit, the more distant technology has proposed a continuous reflection type with two mirrors; another existing technical solution has three groups of reflectors for special corresponding combinations, and has mirrors arranged in a clockwise order. For from the first lens to the second lens, the second lens to the first lens, the first lens to the third lens, and the third lens to the lens unit, this is the mode of four reflections of the three mirrors, and then there are people on the four The optical path of this reflection is designed, and the optical path structure with total reflection five times is designed, such as adding one reflection to the aforementioned third mirror, so that the third mirror is reflected to the first mirror, and then the first mirror to the first mirror. Lens unit; Later, someone proposed a four-mirror reflective unit, and the focus of the request was that one of the mirrors reflected twice. For example: as shown in Figure 1, it is a structure of four mirrors and five reflections. Arranged counterclockwise, the optical path is from the first lens to the third lens, the third lens to the fourth lens, the fourth lens to the second lens, the second lens to the fourth lens, the fourth lens to the lens The unit, this reflection mode, has its advantages and disadvantages. In order to solve the problem of the path of the light path, to ensure that it meets the requirements for use, and to manufacture items that are more in line with actual needs, the creators conduct research and development to solve the existing problems. The problem of light path.

Contents of the invention

The technical problem to be solved by the utility model is to provide an optical path device with multiple reflections of multi-faceted mirrors, which is designed as a reflection assembly composed of more than four mirrors. A reflective mirror undergoes at least two light reflections, thus forming a mode of four mirrors and six reflections, and if only one reflector undergoes three reflections, and the rest are single reflections, it also forms four mirrors and six reflections. The mode of secondary reflection can be deduced to seven or eight reflections of four mirrors, and can also be used to form an optical path mode of more than seven reflections of five mirrors, so as to produce wider applicability.

In order to achieve the above-mentioned purpose, the structure of the utility model is as follows: a light source assembly is provided. A reflection component, a lens component, and a conversion component. The light source component provides light to the original, and the light reflected from the original is collected and imaged by the reflection component to the lens component, and then converted into a digital signal by the conversion component. The reflection component is equipped with At least four reflecting mirrors allow light to travel between the reflecting mirrors, and at least one reflecting mirror undergoes at least two light reflections to form an optical path.

In order to further illustrate the technology, means and effects that the utility model takes to realize the purpose of the invention, the specific embodiments of the utility model are further described below in conjunction with the accompanying drawings. It is believed that the purpose, characteristics and advantages of the utility model can be obtained from this And specific understanding.

Description of drawings:

Fig. 1 is the existing optical path schematic diagram;

Fig. 2 is the first optical path schematic diagram of the utility model;

Fig. 3 is the second optical path schematic diagram of the utility model;

Figure 3A is a perspective view of the implementation in Figure 3

Fig. 3B is a perspective view of B covered with an inner cover in Fig. 3

Figure 3C is a perspective view of A covered with an outer cover in Figure 3

Fig. 4 is the third optical path schematic diagram of the utility model;

Fig. 5 is the fourth optical path schematic diagram of the utility model;

Fig. 6 is the fifth optical path schematic diagram of the utility model;

Fig. 7 is the sixth optical path schematic diagram of the utility model;

Fig. 8 is the seventh optical path schematic diagram of the utility model;

Fig. 9 is a schematic diagram of the eighth optical path of the present invention.

As shown in Fig. 2, 3, 3A, 3B, 3C, 4, 5, 6, 7 to Fig. 8, it is a multi-reflection optical path device of a multi-faceted mirror of the present invention, which is mainly used in scanning machines for The file is digitally processed and has a light source assembly 2 (light source). A reflection assembly 3, a lens assembly 4 (lens), and a conversion assembly 5 (sensor), the light provided by the light source assembly 2 is directed to the original 6, and the light reflected by the original 6 is collected and formed by the reflection assembly 3 to the lens assembly 4 , and then converted into a digital signal by the conversion component 5, wherein the reflection component 3 is provided with at least four reflectors 31, 32, 33, 34, so that the light is carried out between each reflector 31-34, and there are at least two reflectors After at least two light reflections, an optical path is thus formed. Wherein the conversion element 5 is a charge-coupled element (ccd), and the generated digital signal is provided to the computer for memory or processing. The light source assembly 2 has at least one lamp tube. The original 6 is placed on a glass plate 7 .

Implementation as shown in Figure 2, wherein reflector assembly 3 is provided with first reflector 31, second reflector 32, third reflector 33, fourth reflector 34, and each reflector is arranged in counterclockwise order, and in order The first reflecting mirror 31 is as the receiving end that accepts the reflected light at original document 6 place, then by the first reflecting mirror 31 to the second reflecting mirror 32 (reflection for the first time), then turn back the first reflecting mirror 31 by the second reflecting mirror 32 ( second reflection), the first reflector 31 is directed to the third reflector 33 (reflection for the third time), the third reflector 33 turns back to the first reflector 31 (reflection for the fourth time), and the first reflector 31 again Sent to the fourth reflection mirror 34 (reflection for the fifth time), the fourth reflection mirror 34 turns to the lens assembly 4 (reflection for the sixth time), thus forming an optical path of six refractions, wherein the first reflection mirror reflects three times, if It is a set of five reflecting mirrors, similarly, the first reflecting mirror can also be reflected four times.

In addition, as shown in Figures 3 to 8, there are six different path structures, but the most important design is four mirrors, two of which have two reflections. Wherein the reflection assembly 3 is provided with a first reflector 31, a second reflector 32, a third reflector 33, and a fourth reflector 34, each reflector is arranged in a counterclockwise order, and the first reflector 31 is used as a receiving element. From the receiving end of the reflected light at the document 6, the light is transmitted from the first reflector 31 to the second reflector 32 or the third reflector 33 or the fourth reflector 34 .

In FIG. 3 , the optical path sequence is the first reflector 31 and the third reflector 33 . The second reflector 32 , the third reflector 33 , the first reflector 31 , and the fourth reflector 34 . It is turned toward the lens assembly 4 by the fourth reflector 34 . And its overall configuration is shown in Fig. 3A, which is installed in a moving body 8, and Fig. 3B and Fig. 3C show the appearance of the moving body being covered with an inner cover and an outer cover respectively.

In FIG. 4 , the optical path sequence is the first reflector 31 , the third reflector 33 , the fourth reflector 34 , the second reflector 32 , and the first reflector 31 . The fourth reflector 34 . It is turned toward the lens assembly 4 by the fourth reflector 34 .

In FIG. 5 , the optical path sequence is the first reflective mirror 31 , the third reflective mirror 33 , the second reflective mirror 32 , the fourth reflective mirror 34 , the first reflective mirror 31 , and the fourth reflective mirror 34 . It is turned toward the lens assembly 4 by the fourth reflector 34 .

In FIG. 6 , the optical path sequence is the first reflector 31 , the third reflector 33 , the fourth reflector 34 , the second reflector 32 , the fourth reflector 34 , and the second reflector 32 . The second reflection mirror 32 is turned toward the lens assembly 4 .

In FIG. 7 , the optical path sequence is the first reflective mirror 31 , the third reflective mirror 33 , the fourth reflective mirror 34 , the second reflective mirror 32 , the third reflective mirror 33 , and the fourth reflective mirror 34 . It is turned toward the lens assembly 4 by the fourth reflector 34 .

In FIG. 8 , the optical path sequence is the first reflective mirror 31 , the second reflective mirror 32 , the third reflective mirror 33 , the fourth reflective mirror 34 , the second reflective mirror 32 , and the fourth reflective mirror 34 . It is turned toward the lens assembly 4 by the fourth reflector 34 . Wherein the reflection for the last time (the sixth time) can still be changed toward the first reflecting mirror 31 or the third reflecting mirror 34. If the reflection for the fifth time is changed to the first or the third reflecting mirror, the optical path changes for the second, third, and fourth mirrors or for the first, second, and fourth mirrors can also be produced respectively.

In Fig. 9, the optical path structure is to have five reflecting mirrors, and its mirrors are arranged counterclockwise with a first reflecting mirror 31, a third reflecting mirror 33, a fourth reflecting mirror 34, a second reflecting mirror 32, and a third reflecting mirror 33, the fourth reflector 34, the fifth reflector 35, each reflector is arranged in reverse order, and the third reflector 33 is used as the receiving end to accept the reflection at 6 places of the original, and then reflected to the fifth reflector 35, Go to the second reflector 32 again, return to the fifth reflector 35, also return to the second reflector 32, then reflect to the fourth reflector 34, finally reflect to the first reflector 31, and shoot to the lens assembly 4. In this way, the pattern of five mirrors and seven reflections is formed.

To sum up the structure described above, the utility model can produce more than 150 kinds of combination changes by using the arrangement of reflectors. In the explanation, only a few possible optical path implementations are selected as illustrations, so that it can be shown that The combination of four mirrors with double mirrors and double reflections to form six reflection optical paths, or the four mirrors with six reflections of single mirror three reflections, are different from the existing combination process, but can provide easier assembly. Changes to meet the requirements of the optical path process, so it can provide good usability, and it is a completely different mechanism from the existing ones.

The above are detailed descriptions and drawings of preferred embodiments of the present utility model, and are not used to limit the present utility model. All scopes of the present utility model should be subject to the scope of patents expressed in the claims, and any patent scope Embodiments and similar structures with spirit and similar changes shall be included in the present utility model.

Claims (10)

1. An optical path device for multi-reflection of a multi-faceted mirror, it is characterized in that it includes: a light source assembly that provides light to the original, a reflection assembly that accepts the reflection of the original light, accepts the light emitted by the reflection assembly and A lens assembly that gathers light for imaging, a conversion assembly that converts the image formed by the lens assembly into a digital signal; the reflection assembly has at least four mirrors, light can travel between the mirrors, and at least one of them is reflected The mirrors undergo at least two light reflections, and the mirrors are arranged in a counterclockwise order, wherein the mirror that accepts the reflection of the original is the first mirror, and the rest are the second, third, fourth and more than four mirrors in turn. Mirrors reflect light. 2. The optical path device of multiple reflections of multi-faceted mirrors as claimed in claim 1, characterized in that: for the reflection assembly with the first to four reflectors, its two reflectors are respectively reflected twice, and its optical path sequence are the first reflector, the third reflector, the second reflector, the third reflector, the first reflector, and the fourth reflector. 3. the optical path device of multi-faceted mirror multiple reflections as claimed in claim 1, is characterized in that: for the reflective assembly with the first to four reflectors, its two reflectors are respectively reflected twice, and the optical path sequence is The first reflecting mirror, the third reflecting mirror, the fourth reflecting mirror, the second reflecting mirror, the first reflecting mirror, and the fourth reflecting mirror. 4. the optical path device of multi-faceted mirror multiple reflections as claimed in claim 1, is characterized in that: for the reflective assembly with the first to four reflectors, its two reflectors are respectively reflected twice, and the optical path sequence is The first reflective mirror, the third reflective mirror, the second reflective mirror, the fourth reflective mirror, the first reflective mirror, and the fourth reflective mirror. 5. the optical path device of multi-faceted mirror multiple reflections as claimed in claim 1, is characterized in that: for the reflective assembly with the first to four reflectors, its two reflectors are respectively through secondary reflection, and the optical path sequence is The first reflector, the third reflector, the fourth reflector, the second reflector, the fourth reflector, the second reflector. 6. The optical path device of multiple reflections of multi-faceted mirrors as claimed in claim 1, wherein: for the reflective assembly with the first to four reflectors, its two reflectors are respectively reflected twice, and the optical path sequence is The first reflecting mirror, the third reflecting mirror, the fourth reflecting mirror, the second reflecting mirror, the third reflecting mirror, and the fourth reflecting mirror. 7. The optical path device of multiple reflections of multi-faceted mirrors as claimed in claim 1, wherein: for the reflection assembly with the first to four reflectors, each of its two reflectors undergoes secondary reflection, and the optical path sequence is The first reflector, the second reflector, the third reflector, the fourth reflector, the second reflector, the fourth reflector. 8. The optical path device of multiple reflections of multi-faceted mirrors as claimed in claim 1, characterized in that: for the reflective assembly with the first to fifth reflectors, its two reflectors are respectively reflected twice, and the optical path sequence is The third reflecting mirror, the fifth reflecting mirror, the second reflecting mirror, the fifth reflecting mirror, the second reflecting mirror, the fourth reflecting mirror, and the first reflecting mirror. 9. The multi-reflection optical path device of the multi-faceted mirror as claimed in claim 1, characterized in that: one mirror reflects three times. 10. The optical path device of multiple reflections of the multi-faceted mirror as claimed in claim 1, wherein the first reflecting mirror reflects three times, and its optical path sequence is the first reflecting mirror, the second reflecting mirror, the first reflecting mirror, The third reflector, the first reflector, and the fourth reflector.

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