CN105652407A - Camera lens module and photographing device - Google Patents
Camera lens module and photographing device Download PDFInfo
- Publication number
- CN105652407A CN105652407A CN201610050076.4A CN201610050076A CN105652407A CN 105652407 A CN105652407 A CN 105652407A CN 201610050076 A CN201610050076 A CN 201610050076A CN 105652407 A CN105652407 A CN 105652407A
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- CN
- China
- Prior art keywords
- group
- fixed mirror
- body tube
- kinetoscope
- camera lens
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a camera lens module and a photographing device. The camera lens module comprises a main lens cylinder, a first fixed lens set, a second fixed lens set and a first movable lens set, wherein the two ends of the main lens cylinder comprise an object end toward an object to be photographed and an image end toward a user; the first fixed lens set and the second fixed lens set, which are fixed at an interval from front to back in the direction from the object end to the image end, are arranged in the main lens cylinder, and a sealed chamber is formed between the first fixed lens set and the second fixed lens set; the first movable lens set is arranged between the first fixed lens set and the second fixed lens set and is provided with a first ventilation structure; and the first ventilation structure is used for communicating spaces on the two sides of the first movable lens set, and the first movable lens set moves between the first fixed lens set and the second fixed lens set under the action of an external force. The photographing device comprises the camera lens module. Compared with the prior art, with the adoption of the camera lens module and the photographing device, provided by the invention, the technical problem that the photographing effect is influenced, caused by the fact that the sealing property of the camera lens module is damaged when the inside of the camera lens module is communicated with external atmosphere, is solved.
Description
Technical field
The present invention relates to camera technique field, particularly to a kind of camera lens module and camera head.
Background technology
The camera lens module of camera head, including body tube and the multiple mirror groups being arranged in body tube. In order to realize zoom, multiple mirror groups there is a need to can in body tube the kinetoscope group of movement. Owing to being airtight in camera lens module, result in kinetoscope group and move not smooth technical problem. In order to solve this problem, the mode that prior art adopts is multiple elements of camera lens module to be arranged air channel or passage makes the space in camera lens module communicate with ambient atmosphere, and so, kinetoscope group can move easily in body tube. The inside of camera lens module communicates with ambient atmosphere, destroys camera lens module relative to extraneous seal, causes to enter air in camera lens module and then affecting shooting effect; Simultaneously need to arrange air channel or passage on multiple elements of camera lens module so that manufacturing process difficulty is greatly increased.
Summary of the invention
The invention provides a kind of camera lens module and camera head, compared with prior art, the seal solving the camera lens module caused that communicates in camera lens module with ambient atmosphere is destroyed the technical problem affecting shooting effect caused.
For reaching above-mentioned purpose, the present invention provides techniques below scheme:
A kind of camera lens module, including:
Body tube, the two ends of described body tube are directed towards the thing end of shooting object and the picture end towards user;
From fixing the first fixed mirror group of described object end to the image end direction time interval and the second fixed mirror group and form airtight chamber between described first fixed mirror group and the second fixed mirror group in described body tube;
Being arranged between described first fixed mirror group and the second fixed mirror group and have the first kinetoscope group of the first ventilation device, described first ventilation device is connected in the space of described first kinetoscope group both sides and described first kinetoscope group moves under external force between described first fixed mirror group and the second fixed mirror group.
Preferably, described first ventilation device includes at least one passage and/or air channel running through described first kinetoscope group from described object end to the image end direction.
Preferably, described first kinetoscope group includes at least one eyeglass and the front lens barrel of fixing described eyeglass, and described first ventilation device includes at least one and runs through the front lens barrel passage of described front lens barrel and/or front lens barrel air channel from described object end to the image end direction.
Preferably, also include housing, the 3rd fixed mirror group arranged from described object end to the image end direction time interval in described body tube and the second kinetoscope group and form the first chamber between described 3rd fixed mirror group and the second kinetoscope group, described 3rd fixed mirror group and described body tube are fixed, and described second kinetoscope group communicates with ambient atmosphere near the side of described picture end;
Described body tube is fixed in described housing and is formed with the second chamber between described body tube and housing; Described first chamber and the second chamber be connected by the second ventilation device and described second kinetoscope group under external force in described body tube in preset range closer or far from described 3rd fixed mirror group.
Preferably, described second ventilation device includes the body tube passage running through described primary mirror barrel, and described first chamber and the second chamber are connected by described body tube passage.
Preferably, described body tube passage is adjacent near the one end as end with described 3rd fixed mirror group.
Preferably, described second ventilation device includes the body tube passage that runs through described primary mirror barrel;
Described camera lens module also includes the rear adjustment ring being socketed in outside described lens barrel, regulates ring for regulating the movement of described second kinetoscope group after described; Described second ventilation device also include arranging the annular that regulates ring in the rear inside one end of described 3rd fixed mirror group step down aerofluxus step groove and aerofluxus step groove of stepping down described in being arranged on runs through the rear adjustment ring passage of described adjustment ring wall;
Described body tube passage, described first chamber and the second chamber are connected by aerofluxus step groove of stepping down with rear adjustment ring passage.
Preferably, described body tube passage is adjacent near the one end as end with described 3rd fixed mirror group.
Preferably, the described rear ring passage that regulates is arranged on aerofluxus step groove one end near described 3rd fixed mirror group of stepping down.
The present invention also provides for techniques below scheme:
A kind of camera head, including any of the above-described described camera lens module.
Camera lens module provided by the invention and camera head, camera lens module includes body tube, time interval is fixed on the first fixed mirror group in body tube and the second fixed mirror group, so, forms airtight chamber between the first fixed mirror group and the second fixed mirror group in body tube; The first kinetoscope group with the first ventilation device is arranged between the first fixed mirror group and the second fixed mirror group, and the space of described first kinetoscope group both sides is connected by the first ventilation device. Owing to the space of the first kinetoscope group both sides is connected by the first ventilation device, under the effect of external force, when first kinetoscope group moves between the first fixed mirror group and the second fixed mirror group, gas passes through first ventilation device spatial flow in the first kinetoscope group both sides, namely the pressure of the gas of the first kinetoscope group both sides is suitable, first kinetoscope group can move smoothly, ensure that camera lens mirror group is relative to extraneous seal, improves the effect of camera lens module shooting simultaneously. Meanwhile, as long as arranging the first ventilation device, simple in construction in the first kinetoscope group, it is simple to manufacture.
Accompanying drawing explanation
Fig. 1 is the sectional view of the camera lens module of a kind of embodiment provided by the invention;
Fig. 2 is the partial enlarged drawing of the part A shown in Fig. 1;
Fig. 3 is the schematic diagram of the front lens barrel of camera lens module the first kinetoscope group shown in Fig. 1;
Fig. 4 is the schematic diagram of the front lens barrel of another structure of camera lens module the first kinetoscope group shown in Fig. 1;
Fig. 5 is the partial enlarged drawing of the part B shown in Fig. 1;
Fig. 6 is the schematic diagram of the camera lens module body tube shown in Fig. 1;
Fig. 7 is the schematic diagram regulating ring after the camera lens module shown in Fig. 1.
Main element description of reference numerals:
100 body tubes, 110 body tube passages,
210 first fixed mirror groups, 220 second fixed mirror groups, 230 the 3rd fixed mirror groups,
310 first kinetoscope groups, lens barrel passage before 311, lens barrel air channel before 312,
320 second kinetoscope groups, 400 housings,
Regulating ring after 500,510 step down aerofluxus step groove, regulate ring passage after 520.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment one
The camera lens module of one embodiment of the present of invention, as depicted in figs. 1 and 2, including:
Body tube 100, the two ends of body tube 100 are directed towards the thing end of shooting object and the picture end towards user;
From fixing the first fixed mirror group 210 of object end to the image end direction time interval and the second fixed mirror group 220 and form airtight chamber between the first fixed mirror group 210 and the second fixed mirror group 220 in body tube 100;
Being arranged between the first fixed mirror group 210 and the second fixed mirror group 220 and have the first kinetoscope group 310 of the first ventilation device, the first ventilation device is connected in the space of the first kinetoscope group 310 both sides and the first kinetoscope group 310 moves under external force between the first fixed mirror group 210 and the second fixed mirror group 220.
The camera lens module of the present embodiment, including body tube, time interval is fixed on the first fixed mirror group in body tube and the second fixed mirror group, so, forms airtight chamber between the first fixed mirror group and the second fixed mirror group in body tube; The first kinetoscope group with the first ventilation device is arranged between the first fixed mirror group and the second fixed mirror group, and the space of the first kinetoscope group both sides is connected by the first ventilation device. Owing to the space of the first kinetoscope group both sides is connected by the first ventilation device, under the effect of external force, when first kinetoscope group moves between the first fixed mirror group and the second fixed mirror group, gas passes through first ventilation device spatial flow in the first kinetoscope group both sides, namely the pressure of the gas of the first kinetoscope group both sides is suitable, first kinetoscope group can move smoothly, ensure that camera lens mirror group is relative to extraneous seal, improves the effect of camera lens module shooting simultaneously. Meanwhile, as long as arranging the first ventilation device, simple in construction in the first kinetoscope group, it is simple to manufacture.
Implementation specific to the first ventilation device, it is possible to have multiple. As can be that at least one runs through passage and/or the air channel of the first kinetoscope group from object end to the image end direction; When the first kinetoscope group includes the front lens barrel of at least one eyeglass and fixing len, it is also possible to be that as shown in Figure 3 and Figure 4 at least one runs through the front lens barrel passage 311 of front lens barrel and/or front lens barrel air channel from object end to the image end direction.
It should be noted that the specific implementation of above-mentioned first ventilation device is only used for illustrating, as long as the structure that can be connected in the space of the first kinetoscope group both sides can.
Further, as shown in Figure 1 and Figure 5, camera lens module can also include housing 400, the 3rd fixed mirror group 230 arranged from object end to the image end direction time interval in body tube and the second kinetoscope group 320 and form the first chamber between the 3rd fixed mirror group 230 and the second kinetoscope group 320,3rd fixed mirror group 230 is fixed with body tube, and the second kinetoscope group 320 communicates with ambient atmosphere near the side as end;
Body tube 100 is fixed in housing 400 and is formed with the second chamber between body tube 100 and housing 400; First chamber and the second chamber be connected by the second ventilation device and the second kinetoscope group 320 under external force in body tube 100 in preset range closer or far from the 3rd fixed mirror group 230.
So, when second kinetoscope group is under external force closer or far from the 3rd fixed mirror group, first chamber and the second chamber are connected by the second ventilation device, the volume of the first chamber and the second chamber can change, simultaneously, gas can be flowed between the first chamber and the second chamber by the second ventilation device and gas capacity be divided, and reduces the resistance that the second kinetoscope group moves.
It is the first chamber and the second chamber to be connected that the principle that second ventilation device is arranged requires, the concrete position arranged can be configured according to the structure of every kind of camera lens module.
As a kind of optional mode of the second ventilation device, as shown in figures 1 to 6, the second ventilation device includes the body tube passage 110 running through primary mirror barrel;
As shown in Figure 1 and Figure 7, camera lens module also includes the rear adjustment ring 500 being socketed in outside lens barrel, and the rear ring 500 that regulates is for regulating the movement of the second kinetoscope group; Second ventilation device regulates the aerofluxus step groove 510 and be arranged on aerofluxus step groove of stepping down and run through the rear adjustment ring passage 520 regulating ring wall of stepping down of the ring 500 annular inside one end of the 3rd fixed mirror group after also including being arranged on;
Body tube passage 110, the first chamber and the second chamber are connected by aerofluxus step groove 510 of stepping down with rear adjustment ring passage 520.
So, when second kinetoscope group is under external force closer or far from the 3rd fixed mirror group, body tube passage, first chamber and the second chamber are connected by aerofluxus step groove of stepping down with rear adjustment ring passage, the volume of the first chamber and the second chamber can change, meanwhile, gas can be flowed between the first chamber and the second chamber by the second ventilation device and gas capacity be divided, and reduces the resistance that the second kinetoscope group moves.
A kind of preferred mode arranging position of body tube passage, as shown in Figure 1 and Figure 5, body tube passage 110 is adjacent near the one end as end with the 3rd fixed mirror group.
So, in the process of the close 3rd fixed mirror group of the second kinetoscope group, body tube passage is more difficult to be covered by the second kinetoscope group, it is possible to keeping body tube passage, the first chamber and the second chamber are connected by aerofluxus step groove of stepping down with rear adjustment ring passage.
A kind of preferred mode arranging position of rear adjustment ring passage, as shown in Figure 1 and Figure 5, the rear ring passage 520 that regulates is arranged on aerofluxus step groove one end near the 3rd fixed mirror group of stepping down. So, body tube passage and the rear distance regulated between ring passage are less, more easily by the gas communication in the first chamber to the second chamber.
As the another kind of optional mode of the second ventilation device, the second ventilation device includes the body tube passage running through primary mirror barrel, and the first chamber and the second chamber are connected by body tube passage. So, first chamber and the second chamber are connected by body tube passage, and the volume of the first chamber and the second chamber can change, simultaneously, gas can be flowed between the first chamber and the second chamber by the second ventilation device and gas capacity be divided, and reduces the resistance that the second kinetoscope group moves.
A kind of preferred mode arranging position of body tube passage, body tube passage and the 3rd fixed mirror group are adjacent near the one end as end.
So, in the process of the close 3rd fixed mirror group of the second kinetoscope group, body tube passage is more difficult to be covered by the second kinetoscope group, it is possible to keep body tube passage the first chamber and the second chamber to be connected.
Embodiment two
The camera head of the embodiment of the present invention, including the either mirror head mould group of embodiment one.
Obviously, the embodiment of the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art. So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a camera lens module, it is characterised in that including:
Body tube, the two ends of described body tube are directed towards the thing end of shooting object and the picture end towards user;
From fixing the first fixed mirror group of described object end to the image end direction time interval and the second fixed mirror group and form airtight chamber between described first fixed mirror group and the second fixed mirror group in described body tube;
Being arranged between described first fixed mirror group and the second fixed mirror group and have the first kinetoscope group of the first ventilation device, described first ventilation device is connected in the space of described first kinetoscope group both sides and described first kinetoscope group moves under external force between described first fixed mirror group and the second fixed mirror group.
2. camera lens module according to claim 1, it is characterised in that described first ventilation device includes at least one passage and/or air channel running through described first kinetoscope group from described object end to the image end direction.
3. camera lens module according to claim 1, it is characterized in that, described first kinetoscope group includes at least one eyeglass and the front lens barrel of fixing described eyeglass, and described first ventilation device includes at least one and runs through the front lens barrel passage of described front lens barrel and/or front lens barrel air channel from described object end to the image end direction.
4. the camera lens module according to claim 1 or 2 or 3, it is characterized in that, also include housing, the 3rd fixed mirror group arranged from described object end to the image end direction time interval in described body tube and the second kinetoscope group and form the first chamber between described 3rd fixed mirror group and the second kinetoscope group, described 3rd fixed mirror group and described body tube are fixed, and described second kinetoscope group communicates with ambient atmosphere near the side of described picture end;
Described body tube is fixed in described housing and is formed with the second chamber between described body tube and housing; Described first chamber and the second chamber be connected by the second ventilation device and described second kinetoscope group under external force in described body tube in preset range closer or far from described 3rd fixed mirror group.
5. camera lens module according to claim 4, it is characterised in that described second ventilation device includes the body tube passage running through described primary mirror barrel, and described first chamber and the second chamber are connected by described body tube passage.
6. camera lens module according to claim 5, it is characterised in that described body tube passage is adjacent near the one end as end with described 3rd fixed mirror group.
7. camera lens module according to claim 4, it is characterised in that described second ventilation device includes the body tube passage running through described primary mirror barrel;
Described camera lens module also includes the rear adjustment ring being socketed in outside described lens barrel, regulates ring for regulating the movement of described second kinetoscope group after described; Described second ventilation device also include arranging the annular that regulates ring in the rear inside one end of described 3rd fixed mirror group step down aerofluxus step groove and aerofluxus step groove of stepping down described in being arranged on runs through the rear adjustment ring passage of described adjustment ring wall;
Described body tube passage, described first chamber and the second chamber are connected by aerofluxus step groove of stepping down with rear adjustment ring passage.
8. camera lens module according to claim 7, it is characterised in that described body tube passage is adjacent near the one end as end with described 3rd fixed mirror group.
9. camera lens module according to claim 8, it is characterised in that regulate ring passage after described and be arranged on aerofluxus step groove one end near described 3rd fixed mirror group of stepping down.
10. a camera head, it is characterised in that include the arbitrary described camera lens module of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610050076.4A CN105652407B (en) | 2016-01-25 | 2016-01-25 | Camera lens module and photographic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610050076.4A CN105652407B (en) | 2016-01-25 | 2016-01-25 | Camera lens module and photographic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105652407A true CN105652407A (en) | 2016-06-08 |
| CN105652407B CN105652407B (en) | 2018-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610050076.4A Active CN105652407B (en) | 2016-01-25 | 2016-01-25 | Camera lens module and photographic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105652407B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843967A (en) * | 2016-09-21 | 2018-03-27 | 宁波舜宇车载光学技术有限公司 | Camera lens and its internal gas thermal balance implementation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09159895A (en) * | 1995-12-04 | 1997-06-20 | Nikon Corp | Lens barrel |
| JP2001350099A (en) * | 2000-06-05 | 2001-12-21 | Nikon Corp | Objective lens for microscope |
| CN101506710A (en) * | 2006-08-16 | 2009-08-12 | 索尼爱立信移动通讯股份有限公司 | Shock damping of optical lens components |
-
2016
- 2016-01-25 CN CN201610050076.4A patent/CN105652407B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09159895A (en) * | 1995-12-04 | 1997-06-20 | Nikon Corp | Lens barrel |
| JP2001350099A (en) * | 2000-06-05 | 2001-12-21 | Nikon Corp | Objective lens for microscope |
| CN101506710A (en) * | 2006-08-16 | 2009-08-12 | 索尼爱立信移动通讯股份有限公司 | Shock damping of optical lens components |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843967A (en) * | 2016-09-21 | 2018-03-27 | 宁波舜宇车载光学技术有限公司 | Camera lens and its internal gas thermal balance implementation method |
| CN107843967B (en) * | 2016-09-21 | 2021-06-04 | 宁波舜宇车载光学技术有限公司 | Lens and method for realizing heat balance of internal gas of lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105652407B (en) | 2018-09-11 |
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