CN216310502U - Single objective lens and single image pick-up lens assembly - Google Patents
Single objective lens and single image pick-up lens assembly Download PDFInfo
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- CN216310502U CN216310502U CN202122483634.5U CN202122483634U CN216310502U CN 216310502 U CN216310502 U CN 216310502U CN 202122483634 U CN202122483634 U CN 202122483634U CN 216310502 U CN216310502 U CN 216310502U
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- reflector
- electronic curtain
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Abstract
The utility model discloses a single-objective single-image-pickup lens assembly, which comprises an objective lens, an electronic curtain, a first reflector, a second reflector and a CCD image pickup unit, wherein the electronic curtain is of a light-transmitting structure after being electrically connected with an external direct-current power supply, and the electronic curtain is of a light-shielding structure after being electrically connected with the external direct-current power supply; under the condition that the electronic curtain is of a light-transmitting structure, an image of a shot object passes through the electronic curtain through the objective lens and is reflected to the second reflector through the first reflector, and the second reflector finally reflects and converges in the CCD image pickup unit for imaging; the utility model forms an objective system for acquiring an optical image of a shot object through an objective lens, an electronic curtain, a first reflector and a second reflector, and a CCD image pickup unit acquires the optical image transmitted by the objective system for imaging; the utility model adopts the light transmission and shading characteristics of the electronic curtain and the special optical path to acquire the optical image of the shot object, and has novel structure and convenient use.
Description
Technical Field
The present invention relates to a lens assembly for optically capturing images, and more particularly, to a single-objective lens and single-image pickup lens assembly.
Background
With the development of multimedia technology, electronic products such as digital cameras and video cameras having lens modules are increasingly popular with consumers, and people seek miniaturization of digital cameras and video cameras and also put higher demands on the quality of images of objects shot by the digital cameras and video cameras.
Most of the lens modules comprise a lens, a lens barrel and an image sensor (i.e. a CCD image capturing unit). The lens module is generally configured to accommodate a lens in a lens barrel, and an image sensor is disposed at an image side of the lens. The optical image signal entering the lens barrel is focused by the lens and then reaches the image sensor, the image sensor converts the optical image signal into an electronic image signal, and finally the electronic image signal is displayed by the display screen or stored in a memory card in a picture form. The existing lens assembly cannot be innovated and improved in structure, and falls into the technical bottleneck.
Therefore, a lens assembly with a novel structure is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a single-objective single-image pick-up lens assembly with different image pick-up modes in the prior art, which has novel structure and convenient use.
In order to achieve the above object, the present invention provides a single-objective single-pick-up lens assembly, which includes an objective lens, an electronic curtain disposed opposite to the objective lens and electrically connected to an external dc power source, wherein the electronic curtain is a light-transmitting structure after being electrically disconnected from the external dc power source, the electronic curtain is a light-shielding structure after being electrically connected to the external dc power source, a first reflector is obliquely disposed outside the electronic curtain, the first reflector is orthographically projected on the electronic curtain, the electronic curtain is located between the first reflector and the objective lens, a second reflector is disposed outside the first reflector in a staggered manner, the first reflector is parallel to the second reflector, a CCD image-picking unit is disposed outside the second reflector, and the second reflector is orthographically projected on the CCD image-picking unit; under the condition that the electronic curtain is of a light-transmitting structure, an image of a shot object passes through the electronic curtain through the objective lens and is reflected to the second reflector through the first reflector, and the second reflector finally reflects and converges in the CCD image pickup unit for imaging.
Compared with the prior art, the utility model forms an objective lens system for acquiring the optical image of the shot object through the objective lens, the electronic curtain, the first reflector and the second reflector, and the CCD image pickup unit acquires the optical image transmitted by the objective lens system for imaging; when the objective lens system obtains an optical image of a shot object, the electronic curtain of the objective lens system needs to be disconnected from the external direct current power supply, so that the electronic curtain is in a light-transmitting structure, the optical image of the shot object can penetrate through the electronic curtain and is reflected to the second reflector by the first reflector after passing through the objective lens, and finally the second reflector reflects and converges the optical image of the shot object to the CCD image pickup unit for imaging; therefore, the utility model adopts the light transmission and shading characteristics of the electronic curtain and the special optical path to acquire the optical image of the shot object, has novel structure and convenient use, also has different image shooting modes in the past, and is suitable for wide popularization and development.
Preferably, the electronic curtain of the single-objective single-pick-up lens assembly of the utility model is of a transparent liquid crystal glass structure, the electronic curtain comprises a first glass substrate, the upper surface of the first glass substrate is covered with a first conductive film layer of a transparent structure, the upper surface of the first conductive film layer is covered with a liquid crystal layer of a transparent structure, the upper surface of the liquid crystal layer is covered with a second conductive film layer of a transparent structure, the upper surface of the second conductive film layer is covered with a second glass substrate, the upper surface of the second glass substrate is covered with a polarized light sheet, the first glass substrate, the first conductive film layer, the liquid crystal layer, the second conductive film layer, the second glass substrate and the polarized light sheet are sequentially stacked and packaged into an integrated structure, and the first conductive film layer and the second conductive film layer are respectively and electrically connected with the positive electrode and the negative electrode of an external direct current power supply, the polarization direction of the liquid crystal layer after the direct current voltage is applied is vertical to the polarization direction of the polarizer; the liquid crystal layer of the electronic curtain is in a shading structure after being electrically connected and conducted with an external direct current power supply, and the liquid crystal layer of the electronic curtain is in a light-transmitting structure after being electrically connected with the external direct current power supply. After the first conductive film layer and the second conductive film layer are respectively and correspondingly electrically connected with the anode and the cathode of an external direct current power supply, a potential difference is formed between the first conductive film layer and the second conductive film layer, namely, direct current voltage is applied to the liquid crystal layer by the first conductive film layer and the second conductive film layer, the direct current voltage further generates an electric field, the liquid crystal layer positioned between the first conductive film layer and the second conductive film layer is under the action of the electric field, and liquid crystal ions which are arranged in a disordered mode in the liquid crystal layer move to the polarization direction of the liquid crystal ions along the electric field direction and are orderly arranged under the electric field; the polarization direction of the liquid crystal layer after being applied with direct current piezoelectric is vertical to the polarization direction of the polarizer, namely the liquid crystal layer forms a polarizer structure vertical to the polarization direction of the polarizer; according to the optical principle that the luminous flux between two polarizing films with mutually vertical polarization directions is zero, the light incident from the first glass substrate cannot penetrate through the second glass substrate or the light incident from the polarizing films cannot penetrate through the first glass substrate, namely, after the first conductive film layer and the second conductive film layer are respectively and correspondingly electrically connected with the anode and the cathode of an external direct-current power supply, the electronic curtain realizes the light shading effect on the light, namely, the electronic curtain is in a light shading structure. After the first conductive film layer and the second conductive film layer are disconnected from the positive and negative electrodes of the external direct-current power supply, the liquid crystal ions in the liquid crystal layer lose the effect of the electric field and restore the disordered arrangement of the liquid crystal ions, so that the polarization direction of the liquid crystal layer disappears.
Preferably, the centers of the first mirror and the electron curtain of the single-objective single-pickup lens assembly of the present invention are located on the primary optical axis of the objective lens.
Preferably, the objective lens of the single-objective single-image-pickup lens assembly of the present invention is a convex lens.
Drawings
Fig. 1 is a schematic structural view of a single objective lens and single image pickup lens assembly of the present invention.
Fig. 2 is a schematic structural view of a single objective lens and single image pickup lens assembly of the present invention.
Fig. 3 is a schematic sectional view taken along line a-a in fig. 3.
Detailed Description
Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements.
As shown in fig. 1, the single-objective single-image-pickup lens assembly of the present invention includes an objective lens 1, an electronic curtain 2 disposed opposite to the objective lens 1 and electrically connected to an external dc power source, the electronic curtain 2 being a light-transmitting structure after being electrically disconnected from the external dc power source, the electronic curtain 2 being a light-shielding structure after being electrically connected to the external dc power source, a first reflecting mirror 3 disposed outside the electronic curtain 2 in an inclined manner, the first reflecting mirror 3 projecting on the electronic curtain 2, the electronic curtain 2 being disposed between the first reflecting mirror 3 and the objective lens 1, a second reflecting mirror 4 disposed outside the first reflecting mirror 3 in a staggered manner, the first reflecting mirror 3 being parallel to the second reflecting mirror 4, a CCD image-pickup unit 5 disposed outside the second reflecting mirror 4, the second reflecting mirror 4 projecting on the CCD image-pickup unit 5; under the condition that the electronic curtain 2 is in a light-transmitting structure, an image of a shot object passes through the electronic curtain 2 through the objective lens 1 and then is reflected to the second reflecting mirror 4 through the first reflecting mirror 3, the second reflecting mirror 4 is finally reflected and converged in the CCD image pickup unit 5 for imaging, and a dotted line with an arrow in FIG. 1 shows an optical path for transmitting the image of the shot object to the CCD image pickup unit 5. As can be seen from the above, the objective lens system for acquiring the optical image of the object is formed by the objective lens 1, the electronic curtain 2, the first reflecting mirror 3 and the second reflecting mirror 4, and the CCD image capturing unit 5 acquires the optical image transmitted by the objective lens system for imaging; when the objective system 5 obtains the optical image of the object to be shot, the electronic curtain 2 needs to be disconnected from the external direct current power supply, so that the electronic curtain 2 is in a light-transmitting structure, the optical image of the object to be shot can only reach the first reflector 3 through the electronic curtain 2 after passing through the objective 1, the first reflector 3 reflects the optical image to the second reflector 4, and the second reflector finally reflects and converges the optical image of the object to be shot to the CCD image pickup unit 5 for imaging. The single objective single pick-up lens assembly of the present invention is described in further detail below with continued reference to fig. 1-3:
as shown in fig. 2 and 3, preferably, the electron curtain 2 of the present invention is a transparent liquid crystal glass structure; the electronic curtain 2 comprises a first glass substrate 21, wherein the upper surface of the first glass substrate 21 is covered with a first conductive film layer 22 of a transparent structure, the upper surface of the first conductive film layer 22 is covered with a liquid crystal layer 23 of a transparent structure, the upper surface of the liquid crystal layer 23 is covered with a second conductive film layer 24 of a transparent structure, the upper surface of the second conductive film layer 24 is covered with a second glass substrate 25, the upper surface of the second glass substrate 25 is covered with a polarizer 26, and the first glass substrate 21, the first conductive film layer 22, the liquid crystal layer 23, the second conductive film layer 24, the second glass substrate 25 and the polarizer 26 are sequentially stacked and packaged to form an integrated structure. Specifically, the first conductive film 22 is electrically connected to the positive electrode of the external dc power source through the wire 221, the second conductive film 24 is electrically connected to the negative electrode of the external dc power source through the wire 241, and the polarization direction of the liquid crystal layer 23 after being applied with the dc voltage is perpendicular to the polarization direction of the polarizer 26. Because the polarization direction of the liquid crystal layer 23 after being applied with the direct current voltage is perpendicular to the polarization direction of the polarizer 26, that is, the liquid crystal layer 23 at this time forms a polarizer structure perpendicular to the polarization direction of the polarizer 26; according to the optical principle that the light flux between two polarizing plates with mutually perpendicular polarization directions is zero, the light incident from the first glass substrate 21 cannot transmit through the polarizing plate 26, or the light incident from the polarizing plate 26 cannot transmit through the first glass substrate 21, that is, the first conductive film layer 22 and the second conductive film layer 24 are respectively and correspondingly electrically connected with the positive electrode and the negative electrode of an external direct-current power supply; the electronic curtain 2 of the utility model is of a shading structure, and realizes the shading effect on light. After the first conductive film layer 22 and the second conductive film layer 24 are disconnected from the positive and negative electrical connections of the external dc power supply, the liquid crystal ions in the liquid crystal layer 23 lose the effect of the electric field and restore the disordered arrangement thereof, so that the polarization direction of the liquid crystal layer 23 disappears, and the liquid crystal layer 23 and other layers are transparent structures, so that the light incident from the first glass substrate 21 can be transmitted through the polarizer 26, or the light incident from the polarizer 26 can be transmitted through the first glass substrate 21, that is, after the first conductive film layer 22 and the second conductive film layer 24 are disconnected from the electrical connections with the external dc power supply, the electronic curtain 2 of the present invention is in a light-transmitting structure, and the light-transmitting effect is achieved.
As shown in fig. 1, the centers of the first mirror 3 and the electron curtain 2 of the single-objective single-pickup lens assembly of the present invention are preferably located on the principal optical axis 10 of the objective lens 1.
As shown in fig. 1, the objective lens 1 of the single-objective single-image pickup lens assembly of the present invention is preferably a convex lens.
Referring to fig. 1-3, the present invention forms an objective system for acquiring an optical image of a photographed object by an objective lens 1, an electron curtain 2, a first reflecting mirror 3 and a second reflecting mirror 4, and a CCD image capturing unit 5 acquires the optical image transmitted by the objective system for imaging; when the objective system obtains the optical image of the object, the electronic curtain 2 is electrically disconnected from the external DC power source, so that the electronic curtain 2 is in a light-transmitting structure, then the optical image of the object can reach the first reflector 3 through the electron curtain 2 after passing through the objective lens 1, the first reflector 3 reflects the optical image to the second reflector 4, the second reflector finally reflects and converges the optical image of the object to be shot to the CCD image pickup unit for imaging, due to the inclined and staggered arrangement of the first reflector 3 and the second reflector 4, the optical image of the shot object can be transmitted to the CCD image pickup unit 5 in a more convergent manner, the dislocation arrangement also shortens the length of the photographic equipment made of the lens assembly, is convenient to carry and store, and is also convenient for operations such as focusing by hand-held operation; therefore, the utility model adopts the light transmission and shading characteristics of the electronic curtain and the special optical path to acquire the optical image of the shot object, has novel structure and convenient use, also has different image shooting modes in the past, and is suitable for wide popularization and development.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.
Claims (4)
1. A single-objective single-image-pickup lens assembly is characterized by comprising an objective lens, wherein an electronic curtain which is electrically connected with an external direct-current power supply is arranged over against the objective lens, the electronic curtain is of a light-transmitting structure after being electrically connected with the external direct-current power supply, the electronic curtain is of a light-shielding structure after being electrically connected with the external direct-current power supply, a first reflector is obliquely arranged outside the electronic curtain and orthographically projected on the electronic curtain, the electronic curtain is positioned between the first reflector and the objective lens, a second reflector is arranged outside the first reflector in a staggered mode, the first reflector is parallel to the second reflector, a CCD image-pickup unit is arranged outside the second reflector, and the second reflector is orthographically projected on the CCD image-pickup unit; under the condition that the electronic curtain is of a light-transmitting structure, an image of a shot object passes through the electronic curtain through the objective lens and is reflected to the second reflector through the first reflector, and the second reflector finally reflects and converges in the CCD image pickup unit for imaging.
2. The single-objective single-image-pickup lens assembly of claim 1, wherein the electronic curtain is of a transparent liquid crystal glass structure, the electronic curtain comprises a first glass substrate, a first conductive film layer of a transparent structure is covered on an upper surface of the first glass substrate, a liquid crystal layer of a transparent structure is covered on an upper surface of the first conductive film layer, a second conductive film layer of a transparent structure is covered on an upper surface of the liquid crystal layer, a second glass substrate is covered on an upper surface of the second conductive film layer, a polarizing sheet is covered on an upper surface of the second glass substrate, the first conductive film layer, the liquid crystal layer, the second conductive film layer, the second glass substrate and the polarizing sheet are sequentially stacked and encapsulated to form an integral structure, and the first conductive film layer and the second conductive film layer are respectively electrically connected to a positive electrode and a negative electrode of an external dc power supply, the polarization direction of the liquid crystal layer after the direct current voltage is applied is vertical to the polarization direction of the polarizer; the liquid crystal layer of the electronic curtain is in a shading structure after being electrically connected and conducted with an external direct current power supply, and the liquid crystal layer of the electronic curtain is in a light-transmitting structure after being electrically connected with the external direct current power supply.
3. The single objective single imaging lens assembly of claim 1, wherein the first mirror and the electron curtain are centered on a principal optical axis of the objective lens.
4. The single objective single image capture lens assembly of claim 1, wherein the objective lens is a convex lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122483634.5U CN216310502U (en) | 2021-10-14 | 2021-10-14 | Single objective lens and single image pick-up lens assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122483634.5U CN216310502U (en) | 2021-10-14 | 2021-10-14 | Single objective lens and single image pick-up lens assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216310502U true CN216310502U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122483634.5U Active CN216310502U (en) | 2021-10-14 | 2021-10-14 | Single objective lens and single image pick-up lens assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216310502U (en) |
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2021
- 2021-10-14 CN CN202122483634.5U patent/CN216310502U/en active Active
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