CN207734148U - Fujinon electronic video endoscope light source optical path light modulating device - Google Patents
Fujinon electronic video endoscope light source optical path light modulating device Download PDFInfo
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- CN207734148U CN207734148U CN201720526059.3U CN201720526059U CN207734148U CN 207734148 U CN207734148 U CN 207734148U CN 201720526059 U CN201720526059 U CN 201720526059U CN 207734148 U CN207734148 U CN 207734148U
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- dazzling screen
- pedestal
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- optical path
- light source
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Abstract
The utility model discloses a kind of fujinon electronic video endoscope light source optical path light modulating devices, the first unthreaded hole is provided on pedestal, cover board is installed in the side of pedestal, the position of the first unthreaded hole of face is provided with the second unthreaded hole on the cover board, the first anti-dazzling screen and the second anti-dazzling screen are arranged side by side in the inner cavity of the pedestal, first anti-dazzling screen is located at the front side of the second anti-dazzling screen, this two pieces of anti-dazzling screens can move under the driving of stepper motor towards opposite direction, it is provided with the first light modulation hole on first anti-dazzling screen, is provided on the second anti-dazzling screen and the first light modulation hole matched second light modulation hole.The utility model is simple in structure, compact, and parts are few, is easily assembled, at low cost, and the demand to motor torsion is small, can adjust the size of light quantity as needed, and degree of regulation is high, good reliability.
Description
Technical field
The utility model belongs to the field of medical instrument technology, specifically, more particularly to a kind of fujinon electronic video endoscope light source light
Road light modulating device.
Background technology
Electronic endoscope system is increasingly widely used in medical examination and operation, light source for system provide inspection or
Lasting illumination and pneumatic shuttle in surgical procedure.Lighting system therein provides illumination for the acquisition of mirror body front-end image, according to
Actual inspection or operation need the illumination of different brightness to coordinate, therefore just need to carry out the light quantity of cold light source corresponding manual
Or adjust automatically.For fujinon electronic video endoscope light source optical path control system, technical solution representative at present is：
A kind of light-source brightness adjustment structure case (US06629925), is controlled using motor, when motor rotates clockwise, to
Pull up left and right barn door so that barn door is moved by its respective track respectively, is realized and is closed；Conversely, motor turns counterclockwise
When dynamic, the opening of barn door is realized.This structure processing is relatively complicated, and motor torsion is relatively large, and cost is higher.
Another light-source brightness adjustment structure case (CN101449962A) controls turning for cover blade by motor
It is dynamic, achieve the purpose that shading adjusts light-source brightness size and even blocks completely.This scheme is also relatively large to motor torsion, and
Light quantity degree of regulation is not high.
Utility model content
In view of the drawbacks described above of the prior art, the technical problem to be solved by the utility model is to provide in a kind of electronics
Endoscope light source light path light modulating device.
Technical solutions of the utility model are as follows：A kind of fujinon electronic video endoscope light source optical path light modulating device, it is characterised in that：Pedestal
On be provided with the first unthreaded hole, cover board is installed in the side of pedestal, the position of the first unthreaded hole of face is provided with the second unthreaded hole, institute on the cover board
It states and the first anti-dazzling screen and the second anti-dazzling screen, the first anti-dazzling screen are arranged side by side in the inner cavity of pedestal are located at the front side of the second anti-dazzling screen,
This two pieces of anti-dazzling screens can move under the driving of stepper motor towards opposite direction, and first is provided on first anti-dazzling screen
Hole is dimmed, is provided on the second anti-dazzling screen and the first light modulation hole matched second light modulation hole.
Using above technical scheme, the second unthreaded hole on the first unthreaded hole and cover board on pedestal composition for light by consolidate
Determine hole, and the second light modulation hole on the first light modulation hole and the second anti-dazzling screen on the first anti-dazzling screen forms the adjustable thang-kng of size
Hole.When the center that first dims hole, the second light modulation hole, the first unthreaded hole and the second unthreaded hole is located at straight line, light hole
It opens completely；When the first light modulation hole misplaces completely with the second light modulation hole, light hole completely closes；When the first light modulation hole and second
When dimming bore portion overlapping, light hole partially opens, and can be overlapping with the second light modulation hole by adjusting the first light modulation hole
It measures to adjust the size of light hole, to meet actual needs.Identical as background technology, the utility model reduces dedicated machine
Tool light-blocking structure, production cost are lower；Meanwhile the utility model parts are few, are easily assembled；Two pieces of anti-dazzling screens are by the same step
Stepper motor drives, and the synchronism of movement is good, and control accuracy is high.
The stepper motor is installed on the bottom of pedestal, and the output shaft of the stepper motor stretches into the inner cavity of pedestal, in step
It is set with driving lever on the output shaft of stepper motor, there are two what is be arranged symmetrically to stir column for tool on driving lever, one of them is stirred column and stretches into the
In first translot of one anti-dazzling screen lower end, another is stirred column and stretches into the second translot of the second anti-dazzling screen lower end.The above structure
Simply, compact, by stirring the cooperation of column and translot, the torque of servo motor can be converted into the up and down motion of anti-dazzling screen,
Good reliability.
In order to ensure anti-dazzling screen only moves in above-below direction, the two groups of guiding in left and right are provided in the inner cavity of the pedestal
Column, every group of guide post are divided into two up and down, and each guide post stretches into the first guide groove or/and the second anti-dazzling screen on the first anti-dazzling screen
On the second guide groove in, each guide groove extends from top to bottom.
The optoelectronic switch of the first anti-dazzling screen can be incuded by being equipped at the top of the base intracavity, which passes through
Control circuit is connect with stepper motor.For the above structure when the first anti-dazzling screen moves to optoelectronic switch position, light hole is complete at this time
Contract fully, optoelectronic switch, which sends out signal, makes servo motor stop operating, not only accurate but also reliable.
Two symmetrical rail plates are provided in the inner cavity of the pedestal, which prolongs from top to bottom
It stretches, and the cross section of rail plate is arc-shaped, the arc top contact of first anti-dazzling screen and two rail plates.The above structure
First anti-dazzling screen and rail plate linear contact, substantially reduce frictional force of the anti-dazzling screen in sliding process, to stepping electricity
The torque of machine also lowers significantly, can save cost.
First anti-dazzling screen and the second anti-dazzling screen are made of the opaque light material of black.The above structure is meeting work(
While capable of requiring, weight is very light, and frictional force during the motion is also very small, can also lower the torque of stepper motor,
Save production cost.
Preferably, first anti-dazzling screen and the second anti-dazzling screen are made of PVC or PC.
Advantageous effect：The utility model is simple in structure, compact, and parts are few, is easily assembled, at low cost, to motor torsion
Demand it is small, the size of light quantity can be adjusted as needed, and degree of regulation is high, good reliability.
Description of the drawings
Fig. 1 is the structural schematic diagram of one specific implementation mode of the utility model.
Fig. 2 is the structural exploded view of the utility model.
Fig. 3 is the completely open state diagram of light hole.
Fig. 4 is the state diagram that light hole partially opens.
Fig. 5 is light hole completely closed state figure.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in Figure 1 and Figure 2, it is provided with the first unthreaded hole 11 on the top of pedestal 1, the first unthreaded hole 11 is circular hole.After pedestal 1
End is open, and the opening of pedestal 1 is sealed by cover board 2, which is fixed by screw and 1 phase of pedestal, the face the on cover board 2
The position of one unthreaded hole 11 is provided with the second unthreaded hole 21, and the second unthreaded hole 21 is also circular hole.First is arranged side by side in the inner cavity of pedestal 1 to hide
Mating plate 3 and the second anti-dazzling screen 4, the first anti-dazzling screen 3 are located at the front side of the second anti-dazzling screen 4.First anti-dazzling screen 3 and the second anti-dazzling screen 4
It is made of the opaque light material of black, can be PVC, PC or other suitable material, thickness is preferably 0.2mm.
As shown in Figure 1 and Figure 2, it is provided with the first light modulation hole 33 on the first anti-dazzling screen 3, is provided on the second anti-dazzling screen 4 and first
It dims hole 33 matched second and dims hole 43, it is circular hole that the first light modulation hole 33 and second, which dims hole 43,.In the bottom of pedestal 1
Stepper motor 5 is installed, the output shaft of the stepper motor 5 stretches into the inner cavity of pedestal 1, fixed on the output shaft of stepper motor 5
It is set with driving lever 6, there are two what is be arranged symmetrically to stir column 61 for tool on driving lever 6, one of them is stirred column 61 and stretches under the first anti-dazzling screen 3
In first translot 31 at end, another is stirred column 61 and stretches into the second translot 41 of 4 lower end of the second anti-dazzling screen.When stepper motor 5
When driving lever 6 being driven to rotate, under the cooperation for stirring column 61 and translot, one piece of anti-dazzling screen moves upwards, and another piece of anti-dazzling screen to
Lower movement.The optoelectronic switch 7 of the first anti-dazzling screen 3 can be incuded by being equipped at the top of 1 inner cavity of pedestal, which passes through
Control circuit is connect with stepper motor 5.
As shown in Figure 1 and Figure 2, two or so parallel and symmetrical rail plates 13 are provided in the inner cavity of pedestal 1, it should
Rail plate 13 extends from top to bottom, and the cross section of rail plate 13 is arc-shaped, the first anti-dazzling screen 3 and two of arc top backwards
The arc top contact of root rail plate 13.The two groups of guide posts 12 in left and right are additionally provided in the inner cavity of pedestal 1, every group of guide post 12 is divided into
Upper and lower two, second on the first guide groove 32 or/and the second anti-dazzling screen 4 that each guide post 12 stretches on the first anti-dazzling screen 3 is led
Into slot 42, each guide groove extends from top to bottom, and under the cooperation of guide post and guide groove, anti-dazzling screen is only transported in above-below direction
It is dynamic, and the bad offset that left and right directions occurs.
The operation principle of the utility model is as follows：
The second unthreaded hole 21 composition on the first unthreaded hole 11 and cover board 2 on pedestal 1 for light by mounting hole, and first
The second light modulation hole 43 on the first light modulation hole 33 and the second anti-dazzling screen 4 on anti-dazzling screen 3 forms the adjustable light hole of size.System
After operation, when stepper motor 5, which receives instruction, to be needed to reduce light hole or close light hole, stepper motor 5 drives 6 up time of driving lever
Needle rotates, and driving lever 6 drives the first anti-dazzling screen 3 up to move, and the second anti-dazzling screen 4 is driven to move down, at this time intermediate light hole
Size is gradually reduced (see Fig. 4), achievees the purpose that clear aperature size reduces, and lamp source light quantity is also opposite to be reduced；When stepper motor 5
After rotating to certain angle, the first anti-dazzling screen 3 is moved at optoelectronic switch 7, and clear aperature completely closes (see Fig. 5) at this time, light
Electric switch 7 sends out signal light hole and has completely closed, and stepper motor 5 stops operating.Conversely, when needing to open or increase light hole
When, stepper motor 5 receives instruction toward counterclockwise rotating, and driving lever 6 drives the first anti-dazzling screen 3 to move down, and drives second to hide
Mating plate 4 up moves, and intermediate thang-kng pore size gradually increases at this time, reaches the increased purpose of clear aperature size, lamp source light
Amount is also opposite to be increased；After stepper motor 5 rotates certain step number relative to the initial position of thang-kng bore closure, two pieces of anti-dazzling screen movements
To corresponding extreme position (i.e. completely overlapped), clear aperature is opened completely (see Fig. 3).
The preferred embodiment of the utility model described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to the design of the utility model in domain
Available technical solution is tested, it all should be in the protection domain being defined in the patent claims.
Claims (7)
1. a kind of fujinon electronic video endoscope light source optical path light modulating device, it is characterised in that：The first unthreaded hole (11) is provided on pedestal (1),
The side installation cover board (2) of pedestal (1), the position of the first unthreaded hole of face (11) is provided with the second unthreaded hole (21), institute on the cover board (2)
It states and the first anti-dazzling screen (3) and the second anti-dazzling screen (4) is arranged side by side in the inner cavity of pedestal (1), the first anti-dazzling screen (3) is located at second and hides
The front side of mating plate (4), this two pieces of anti-dazzling screens can move under the driving of stepper motor (5) towards opposite direction, and described
It is provided with the first light modulation hole (33) on one anti-dazzling screen (3), is provided on the second anti-dazzling screen (4) and the first light modulation hole (33) matched the
Two light modulations hole (43).
2. fujinon electronic video endoscope light source optical path light modulating device as described in claim 1, it is characterised in that：The stepper motor (5)
It is installed on the bottom of pedestal (1), the output shaft of the stepper motor (5) stretches into the inner cavity of pedestal (1), in stepper motor (5)
Driving lever (6) is set on output shaft, there are two what is be arranged symmetrically to stir column (61) for tool on driving lever (6), one of them stirs column (61)
It stretches into first translot (31) of the first anti-dazzling screen (3) lower end, another is stirred column (61) and stretches into the second anti-dazzling screen (4) lower end
In second translot (41).
3. fujinon electronic video endoscope light source optical path light modulating device as claimed in claim 2, it is characterised in that：In the pedestal (1)
The two groups of guide posts (12) in left and right are provided in inner cavity, every group of guide post (12) is divided into two up and down, and each guide post (12) stretches into the
In the second guide groove (42) on the first guide groove (32) or/and the second anti-dazzling screen (4) on one anti-dazzling screen (3), each guide groove
Extend from top to bottom.
4. the fujinon electronic video endoscope light source optical path light modulating device as described in claims 1 or 2 or 3, it is characterised in that：In the pedestal
(1) optoelectronic switch (7) of the first anti-dazzling screen (3) can be incuded by being equipped at the top of inner cavity, and the optoelectronic switch (7) is by controlling electricity
Road is connect with stepper motor (5).
5. fujinon electronic video endoscope light source optical path light modulating device as described in claim 1, it is characterised in that：In the pedestal (1)
Two symmetrical rail plates (13) are provided in inner cavity, which extends from top to bottom, and rail plate
(13) cross section is arc-shaped, the arc top contact of first anti-dazzling screen (3) and two rail plates (13).
6. the fujinon electronic video endoscope light source optical path light modulating device as described in claims 1 or 2 or 3 or 5, it is characterised in that：Described
One anti-dazzling screen (3) and the second anti-dazzling screen (4) are made of the opaque light material of black.
7. fujinon electronic video endoscope light source optical path light modulating device as claimed in claim 6, it is characterised in that：First anti-dazzling screen
(3) it is made of PVC or PC with the second anti-dazzling screen (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720526059.3U CN207734148U (en) | 2017-05-12 | 2017-05-12 | Fujinon electronic video endoscope light source optical path light modulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720526059.3U CN207734148U (en) | 2017-05-12 | 2017-05-12 | Fujinon electronic video endoscope light source optical path light modulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207734148U true CN207734148U (en) | 2018-08-17 |
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ID=63114717
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720526059.3U Active CN207734148U (en) | 2017-05-12 | 2017-05-12 | Fujinon electronic video endoscope light source optical path light modulating device |
Country Status (1)
| Country | Link |
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| CN (1) | CN207734148U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109349989A (en) * | 2018-12-10 | 2019-02-19 | 郑州大学第附属医院 | A kind of multi-functional ear's rigid endoscope |
| CN113796820A (en) * | 2021-09-23 | 2021-12-17 | 北京博莱德光电技术开发有限公司 | Brightness adjusting device of camera light source system |
| CN115590453A (en) * | 2022-12-13 | 2023-01-13 | 杭州康基医疗器械有限公司（Cn） | Intelligent exposure adjusting system and method in endoscopic surgery |
-
2017
- 2017-05-12 CN CN201720526059.3U patent/CN207734148U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109349989A (en) * | 2018-12-10 | 2019-02-19 | 郑州大学第附属医院 | A kind of multi-functional ear's rigid endoscope |
| CN109349989B (en) * | 2018-12-10 | 2020-11-10 | 郑州大学第一附属医院 | Multifunctional hard endoscope for ear |
| CN113796820A (en) * | 2021-09-23 | 2021-12-17 | 北京博莱德光电技术开发有限公司 | Brightness adjusting device of camera light source system |
| CN115590453A (en) * | 2022-12-13 | 2023-01-13 | 杭州康基医疗器械有限公司（Cn） | Intelligent exposure adjusting system and method in endoscopic surgery |
| CN115590453B (en) * | 2022-12-13 | 2023-04-07 | 杭州康基医疗器械有限公司 | Intelligent exposure adjusting system and method in endoscopic surgery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211009 Address after: 401120 1-1, 2-1, 3-1, building 5, No. 18, Cuiping Lane 2, Huixing street, Yubei District, Chongqing Patentee after: Chongqing Jinshan Medical Technology Research Institute Co.,Ltd. Address before: 401120 1 office buildings, Jinshan International Industrial City, 18 of Nei sang Road, Hui Xing street, Yubei District, Chongqing. Patentee before: CHONGQING JINSHAN MEDICAL APPLIANCE Co.,Ltd. |
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| TR01 | Transfer of patent right |