CN209084669U - Double light source switching mechanisms - Google Patents
Double light source switching mechanisms Download PDFInfo
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- CN209084669U CN209084669U CN201920026716.7U CN201920026716U CN209084669U CN 209084669 U CN209084669 U CN 209084669U CN 201920026716 U CN201920026716 U CN 201920026716U CN 209084669 U CN209084669 U CN 209084669U
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- path channels
- light source
- fixed block
- spectroscope
- reflecting mirror
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Abstract
The utility model discloses a kind of double light source switching mechanisms, including fixed block, longitudinal gap offers left path channels, right path channels in fixed block, and right path channels are through to outside fixed block；It is provided with circuit board at the top of fixed block, light source is electrically connected on the circuit board in left path channels, right path channels, is provided with collimation lens in the left path channels, right path channels below light source；Left path channels, right path channels below collimation lens are interconnected by the horizontal horizontal path channels opened up；It is tiltedly installed with reflecting mirror respectively and with the spectroscope of plated film in horizontal path channels and left path channels, right path channels intersection.The utility model realizes the switching between double light sources, movement-less part, noiseless generation, long service life using pure optical component, and its structure is simple, easy to use；The utility model have many advantages, such as light source switching freely, components are few, failure rate is low, easy to maintain, at low cost.
Description
Technical field
The utility model relates to microbial detection apparatus technical fields, more particularly, to double light source switching mechanisms.
Background technique
Optical density (OD) measurement of bacteria culture media has become a kind of common measurement means in microbiology, is carrying out carefully
It is different according to degree of absorption of the bacteria culture media to different wave length electromagnetic wave when optical density (OD) measurement of bacterium culture medium, selection
Different LED light are as light source.Sometimes for measurement culture medium in bacterium growing state can also select two kinds even it is a variety of not
The electromagnetic wave of co-wavelength carries out optical density (OD) measurement.There is different spectral bands in view of different LED light, light is close carrying out
It just needs to use 2 LED light as light source when degree (OD) measurement, will be examined using 2 LED light as the equipment of light source in the market
Consider the switching problem between this double light sources, majority equipment selection at present carries out double light sources using mechanical steering engine and switches.It is this
Structure is complicated for mechanical steering engine, and noise is big when switching, and after-sales service is inconvenient.Therefore design a kind of simple structure, long service life,
Double light source switching mechanisms easy to maintain are very necessary.
Summary of the invention
To solve the above problems, the utility model aim is to provide simple a kind of structure, long service life, easy to maintain
Double light source switching mechanisms.
To achieve the above object, the utility model takes following technical proposals:
Double light source switching mechanisms described in the utility model, including fixed block, longitudinal gap offers in the fixed block
Left path channels, right path channels, the right path channels are through to outside the fixed block；It is provided at the top of the fixed block
Circuit board；It is electrically connected with left light source on the circuit board in the left path channels, below the left light source
Left collimation lens is provided in left path channels；Right light is electrically connected on the circuit board in the right path channels
Source is provided with right collimation lens in the right path channels below the right light source；Below the left collimation lens
Left path channels are mutually interconnected with the right path channels below the right collimation lens by the horizontal horizontal path channels opened up
It is logical；Be tiltedly installed with reflecting mirror in the horizontal path channels and the left path channels intersection, the horizontal path channels with
The right path channels intersection is tiltedly installed with spectroscope, and the spectroscope surface is coated with plated film.
The left path channels, right path channels are made of the construction section on top and the light passing section of lower part；The installation
The internal diameter of section is greater than the internal diameter of light passing section；Punishment is connected with light passing section in the construction section of the left path channels, right path channels
Left mounting table, right mounting table are not formed；The left collimation lens is placed on the left mounting table, table on the left collimation lens
Face is vertically placed with left sleeve, and the left sleeve upper end upwardly extends and is sleeved on the left light source；The right collimation lens
It is placed on the right mounting table, the right collimation lens upper surface is vertically placed with right sleeve, and the right sleeve upper end is upward
Extend and is sleeved on the right light source.
The reflecting mirror is obliquely installed down to the right from upper left, the slanted angle of reflecting mirror and the left path channels is 45 °；
The spectroscope is obliquely installed down to the right from upper left, the slanted angle of itself and the right path channels is 45 °.
Reflecting mirror installation groove is offered positioned at the forward and backward face of the fixed block of the reflecting mirror corresponding position, it is described anti-
Mirror is penetrated to insert to the reflecting mirror installation groove；The forward and backward face of the fixed block positioned at the spectroscope corresponding position opens up
There is spectroscope installation groove, the spectroscope is inserted to the spectroscope installation groove.
Before the fixed block at reflecting mirror installation groove front end and the spectroscope installation groove front position
On be connected with front shroud；Fixation at reflecting mirror installation groove rear end and the spectroscope installation groove back-end location
Back shroud is connected on behind block.
It is offered on before the fixed block of the front shroud corresponding position compatible with the front shroud preceding recessed
Face, the front cover plate bolt are connected in the preceding concave surface；It is offered on behind the fixed block of the back shroud corresponding position
Back concave surface compatible with the back shroud, the rear cover plate bolt are connected in the back concave surface.
The left light source is purple LED, and the right light source is white led lamps.
Plug is provided in the horizontal path channels on the left of the left path channels.
Screw is connected at the top of the circuit board and the fixed block.
The utility model realizes the switching between double light sources using pure optical component, movement-less part, noiseless generation,
Long service life, and its structure is simple, it is easy to use；Cutting between two light sources can be controlled as needed in actual use
It changes, light source switches freely, also can control two light sources while opening, and when two light sources are opened simultaneously, provides more for equipment
The wave band of wide scope is selected, and the accuracy of measurement result is improved；In addition, the utility model also has components few, former
The advantages that barrier rate is low, easy to maintain, at low cost.
Detailed description of the invention
Fig. 1 is the longitudinal profile structure schematic of the utility model.
Fig. 2 is the dimensional decomposition structure diagram of the utility model.
Specific embodiment
It elaborates with reference to the accompanying drawing to the embodiment of the present invention, the present embodiment before being with technical solution of the present invention
It puts and is implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to down
State embodiment.
As shown in Figs. 1-2, double light source switching mechanisms described in the utility model, including fixed block 1, in fixed block 1 between longitudinal direction
It separates and is equipped with left path channels 2, right path channels 3, right path channels 3 are through to fixed block 1；1 top spiral shell of fixed block
Nail is fixed with circuit board 4；It is electrically connected with left light source on the circuit board 4 in left path channels 2, the left side below left light source
Left collimation lens 5 is provided in path channels 2；Set-up mode of the left collimation lens 5 in left path channels 2 are as follows: left optical path is logical
Road 2 is made of the construction section on top and the light passing section of lower part；The internal diameter of construction section is greater than the internal diameter of light passing section；In left path channels
2 construction section and light passing section junction form left mounting table；Left collimation lens 5 is placed on left mounting table, on left collimation lens 5
Surface is vertically placed with left sleeve 10, and 10 upper end of left sleeve upwardly extends and is sleeved on left light source.Left light source is purple LED
17；Certain left light source be also possible to other colors LED light or other kinds of light source；The specifically used type of left light source,
Should be when the utility model is used, the requirement according to detected material to light source selects；Selection for left light source, this implementation
Example does not illustrate one by one herein.It is electrically connected with right light source on the circuit board 4 in right path channels 3, below right light source
Right collimation lens 6 is provided in right path channels 3；Set-up mode of the right collimation lens 6 in right path channels 3 are as follows: right optical path
Channel 3 is made of the construction section on top and the light passing section of lower part；The internal diameter of construction section is greater than the internal diameter of light passing section；It is logical in right optical path
The construction section in road 3 and light passing section junction form right mounting table；Right collimation lens 6 is placed on right mounting table, right collimation lens 6
Upper surface is vertically placed with right sleeve 11, and right 11 upper end of sleeve upwardly extends and is sleeved on right light source.Right light source is White LED
Lamp 18；Certain right light source be also possible to other colors LED light or other kinds of light source；The specifically used class of right light source
Type, should be when the utility model is used, and the requirement according to detected material to light source selects；Selection for right light source, this
Embodiment does not illustrate one by one herein.Positioned at the left path channels 2 of left 5 lower section of collimation lens and positioned at right 6 lower section of collimation lens
Right path channels 3 are interconnected by the horizontal horizontal path channels 7 opened up；Make the manufacturing process of the utility model for convenience,
When opening up horizontal path channels 7, opened up on the left of fixed block 1 using tool, this results in the left side of the utility model
It is formed port (technique mouth)；When using the utility model for a long time, there will be pollutant to enter inside the utility model from technique mouth,
The utility model is polluted；Therefore, it is provided with plug 19 in the horizontal path channels 7 for being located at left 2 left side of path channels, with
Pollution of the object to the utility model is avoided pollution, while also making present apparatus overall appearance more natural, beautiful.In horizontal path channels
7 are tiltedly installed with reflecting mirror 8 with left 2 intersection of path channels, set in horizontal path channels 7 and the inclination of right 3 intersection of path channels
It is equipped with spectroscope 9,9 surface of spectroscope is coated with plated film.Plated film can make the light from right path channels 3 pass through spectroscope 9,
Make the light from horizontal path channels 7 that the reflection of light occur on 9 surface of spectroscope；Above-mentioned plated film is the prior art, can be from Shen Yanghui
Rich company buys, concrete model DM405.
Reflecting mirror 8 is obliquely installed down to the right from upper left, the slanted angle of itself and left path channels 2 is 45 °；Spectroscope 9 from
Upper left is obliquely installed down to the right, the slanted angle of itself and right path channels 3 is 45 °；Positioned at the fixed block of 8 corresponding position of reflecting mirror
1 forward and backward face offers reflecting mirror installation groove 12, and reflecting mirror 8 is inserted to reflecting mirror installation groove 12；It is right positioned at spectroscope 9
The forward and backward face of fixed block 1 of position is answered to offer spectroscope installation groove 13, spectroscope 9 is inserted to spectroscope installation groove 13；
Reflecting mirror installation groove 12 is set, spectroscope installation groove 13 makes reflecting mirror 8, the placement of spectroscope 9 or replacement it is more convenient,
Freely.The upper connection before the fixed block 1 at 13 front position of 12 front end of reflecting mirror installation groove and spectroscope installation groove
There is front shroud 14, offer preceding concave surface 16 compatible with front shroud 14 on 1 front of fixed block of 14 corresponding position of front shroud,
14 screw of front shroud is connected in preceding concave surface 16.Positioned at 12 rear end of reflecting mirror installation groove and 13 rear end of spectroscope installation groove position
Back shroud 15 is connected on behind the fixed block 1 at the place of setting；It is offered on behind the fixed block 1 of 15 corresponding position of back shroud with after
The compatible back concave surface of cover board 15,15 screw of back shroud are connected in back concave surface.Front shroud 14, back shroud 15 make to be located at anti-
It is more stable to penetrate mirror installation groove 12, the reflecting mirror 8 in spectroscope installation groove 13, the placement of spectroscope 9, effectively avoids
Using or reflecting mirror 8, spectroscope 9 skid off when moving the utility model, cause the damage of reflecting mirror 8, spectroscope 9, at the same before
Cover board 14, back shroud 15 but also the utility model appearance is more beautiful, better tightness.
After the conducting of the utility model power supply, selective control purple LED 17 or white led lamps 18 shine or
The two shines simultaneously.The violet ray that purple LED 17 emits is formed as a branch of directional light after left collimation lens 5 and is radiated at
On reflecting mirror 8, then by being radiated on spectroscope 9 after the reflection of reflecting mirror 8；The white light warp that white led lamps 18 emit
Crossing, which becomes a branch of directional light after right collimation lens 6 is handled, is radiated on spectroscope 9；Since there is plated film on 9 surface of spectroscope, can will under
The incident light total reflection on surface is gone out, by the incident light whole transmissive of upper surface；Two kinds of light beams can be from right path channels 3
Lower end exit is smoothly projected, and provides required light source for experiment.
In the description of the present invention, it should be noted that term "front", "rear", "left", "right", " vertical ", "horizontal",
The orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
It states the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.
Claims (9)
1. a kind of double light source switching mechanisms, including fixed block (1), it is characterised in that: the interior longitudinal gap of the fixed block (1) opens up
There are left path channels (2), right path channels (3), it is external that the right path channels (3) are through to the fixed block (1)；It is described solid
Determine to be provided with circuit board (4) at the top of block (1)；A left side is electrically connected on the circuit board (4) in the left path channels (2)
Light source is provided with left collimation lens (5) in left path channels (2) below the left light source；It is logical positioned at the right optical path
It is electrically connected with right light source on the circuit board (4) in road (3), is set in the right path channels (3) below the right light source
It is equipped with right collimation lens (6)；Left path channels (2) below the left collimation lens (5) and to be located at the right collimation saturating
Right path channels (3) below mirror (6) are interconnected by the horizontal horizontal path channels (7) opened up；In the horizontal path channels
(7) reflecting mirror (8) are tiltedly installed with left path channels (2) intersection, in the horizontal path channels (7) and the right light
Paths (3) intersection is tiltedly installed with spectroscope (9), and spectroscope (9) surface is coated with plated film.
2. double light source switching mechanisms according to claim 1, it is characterised in that: the left path channels (2), right optical path are logical
Road (3) is made of the construction section on top and the light passing section of lower part；The internal diameter of the construction section is greater than the internal diameter of light passing section；Institute
It states left path channels (2), the construction section of right path channels (3) and light passing section junction and is respectively formed left mounting table, right mounting table；
The left collimation lens (5) is placed on the left mounting table, and left collimation lens (5) upper surface is vertically placed with left sleeve
(10), left sleeve (10) upper end upwardly extends and is sleeved on the left light source；The right collimation lens (6) is placed on institute
State on right mounting table, right collimation lens (6) upper surface is vertically placed with right sleeve (11), right sleeve (11) upper end to
Upper extension is simultaneously sleeved on the right light source.
3. double light source switching mechanisms according to claim 1, it is characterised in that: the reflecting mirror (8) is from upper left to bottom right
It is obliquely installed, the slanted angle of reflecting mirror (8) and the left path channels (2) is 45 °；The spectroscope (9) from upper left to the right
Under be obliquely installed, the slanted angle of itself and the right path channels (3) is 45 °.
4. double light source switching mechanisms according to claim 1 or 3, it is characterised in that: be located at the reflecting mirror (8) corresponding position
The fixed block (1) the forward and backward face set offers reflecting mirror installation groove (12), reflecting mirror (8) inserting to the reflection
In mirror installation groove (12)；The fixed block (1) forward and backward face positioned at the spectroscope (9) corresponding position offers spectroscope
Installation groove (13), spectroscope (9) inserting are interior to the spectroscope installation groove (13).
5. double light source switching mechanisms according to claim 4, it is characterised in that: be located at the reflecting mirror installation groove (12)
Front shroud (14) are connected on before fixed block (1) at front end and the spectroscope installation groove (13) front position；It is located at
On fixed block (1) back at reflecting mirror installation groove (12) rear end and the spectroscope installation groove (13) back-end location
It is connected with back shroud (15).
6. double light source switching mechanisms according to claim 5, it is characterised in that: in the front shroud (14) corresponding position
The compatible preceding concave surface (16) with the front shroud (14), front shroud (14) spiral shell are offered on before the fixed block (1)
Nail is connected in the preceding concave surface (16)；It is offered and institute below in the fixed block (1) of the back shroud (15) corresponding position
The compatible back concave surface of back shroud (15) is stated, back shroud (15) screw is connected in the back concave surface.
7. double light source switching mechanisms according to claim 1, it is characterised in that: the left light source is purple LED (17),
The right light source is white led lamps (18).
8. double light source switching mechanisms according to claim 1, it is characterised in that: be located on the left of the left path channels (2)
The horizontal path channels (7) in be provided with plug (19).
9. double light source switching mechanisms according to claim 1, it is characterised in that: the circuit board (4) and the fixed block
(1) top screw is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920026716.7U CN209084669U (en) | 2019-01-08 | 2019-01-08 | Double light source switching mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920026716.7U CN209084669U (en) | 2019-01-08 | 2019-01-08 | Double light source switching mechanisms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209084669U true CN209084669U (en) | 2019-07-09 |
Family
ID=67127862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920026716.7U Active CN209084669U (en) | 2019-01-08 | 2019-01-08 | Double light source switching mechanisms |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209084669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488474A (en) * | 2019-09-24 | 2019-11-22 | 西安佐威光电科技有限公司 | A kind of heavy caliber dual paraboloid reflecting module parallel light tube |
-
2019
- 2019-01-08 CN CN201920026716.7U patent/CN209084669U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488474A (en) * | 2019-09-24 | 2019-11-22 | 西安佐威光电科技有限公司 | A kind of heavy caliber dual paraboloid reflecting module parallel light tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Zhen Inventor after: Yu Feng Inventor after: Liu Cong Inventor after: Ji Hongchao Inventor after: Duan Lizheng Inventor after: Zheng Yehuan Inventor before: Xu Zhen Inventor before: Yu Feng Inventor before: Liu Cong Inventor before: Ji Hongchao Inventor before: Duan Lizheng Inventor before: Zheng Yehuan |
|
| CB03 | Change of inventor or designer information |