CN2663951Y - Lamp changing mechanism of ultraviolet-visible spectrophotometer - Google Patents
Lamp changing mechanism of ultraviolet-visible spectrophotometer Download PDFInfo
- Publication number
- CN2663951Y CN2663951Y CN 03208618 CN03208618U CN2663951Y CN 2663951 Y CN2663951 Y CN 2663951Y CN 03208618 CN03208618 CN 03208618 CN 03208618 U CN03208618 U CN 03208618U CN 2663951 Y CN2663951 Y CN 2663951Y
- Authority
- CN
- China
- Prior art keywords
- lamp
- light source
- source reflector
- light
- deuterium lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
A lamp changing mechanism of ultraviolet-visible spectrophotometer is arranged on the monochromator of photometer, which comprises two light sources of a deuterium lamp and a tungsten lamp and a light source reflector, wherein, the deuterium lamp and the tungsten lamp are both fixed at one side of the light source reflector; a flat mirror which is inserted between the deuterium lamp and the light source reflector is arranged on the swing link of a swing link mechanism; the swing link has two swinging positions; one swinging position: the flat mirror interrupts the light path of the deuterium lamp, while the light emitted by the tungsten lamp is reflected onto the light source reflector through the flat mirror to be focalized to the incident slit of the monochromator; the other swinging position: the flat mirror moves away from the light path between the deuterium lamp and the light source reflector, and the light emitted by the deuterium lamp is reflected and focalized to the incident slit of the monochromator through the light source reflector; the deuterium lamp, the tungsten lamp and the light source reflector are all fixed on a base provided with a lamp housing. With high locating precision and ideal connection of machine base, the utility model can realize convenient switching between two light sources within short replacement time of lamps and also possesses simple structure and convenient use.
Description
Technical field
The utility model relates to ultraviolet-visible pectrophotometer.
Background technology
Two light sources of the general employing of ultraviolet-visible pectrophotometer, one is ultraviolet source such as deuterium lamp, another is visible light source such as tungsten lamp.In the automatic length scanning process of instrument, two light sources automatically switch, and the mechanism that realizes this action is called and changes lamp mechanism.Traditional lamp mechanism that changes realizes changing the lamp action by rotating lamp or light source reflector, shortcoming is that the positioning error owing to the error of machining assembling or stepper motor itself makes that repetitive positioning accuracy is bad to cause the linking of instrument baseline bad, and it is longer to change the lamp time simultaneously.
Summary of the invention
The purpose of this utility model provides a kind of ultraviolet-visible pectrophotometer and changes lamp mechanism, the bearing accuracy height, and the instrument baseline is connected, and can carry out the switching of two light sources very easily, changes lamp time weak point, and is simple in structure, easy to use.
The purpose of this utility model is achieved in that
A kind of ultraviolet-visible pectrophotometer changes lamp mechanism, be contained in the front of photometric monochromator, it has deuterium lamp and two light sources of tungsten lamp and light source reflector, deuterium lamp and tungsten lamp all are positioned at the same side of light source reflector, between deuterium lamp and light source reflector, be inserted with a level crossing, this level crossing is contained on the fork of a swing-bar mechanism, and this fork has two swing position; One of position is this level crossing with the light path blocking-up of deuterium lamp, the light that tungsten lamp sends through flat mirror reflects to light source reflector and focus on the entrance slit of monochromator; Two of position is that level crossing shifts out the light path between deuterium lamp and the light source reflector, and the light that deuterium lamp sends is through the source reflection mirror reflection and focus on the entrance slit of monochromator, and described deuterium lamp, tungsten lamp, light source reflector all are fixed on the base, and the lamp house cover is arranged on this base.
Described deuterium lamp, tungsten lamp are the structure that a formula is arranged.
Being configured to of the swing-bar mechanism of described installing level crossing: fork is articulated in bearing with rotating shaft, bearing is fixed in base, the fork middle part connects a back-moving spring, this spring end in addition is connected in base, this fork is subjected to the excentric shaft effect of stepper motor and swings, the light path position between its blocking-up deuterium lamp and light source reflector, and this swing link end part is subjected to the bulb locating pin spacing, this button is contained in the nail seat, and this nail seat is fixed on the base.
Described photometric monochromator is fixed in base with screw.
The utility model has following actively useful effect:
This product characteristics is:
1. deuterium lamp, tungsten lamp, light source reflector all are installed in the fixed position, not motion.
2. deuterium lamp, tungsten lamp are installed in light source reflector the same side.
3. level crossing is cut in surface level and is realized changing light source between deuterium lamp and the light source reflector.
4. the location of level crossing is by the button mechanical positioning.
5. the positioning error of stepper motor has been eliminated in a stepper motor starting power effect and not playing the role of positioning.
This changes lamp mechanism is power cleverly with the stepper motor, stir swing-bar mechanism and realize rotation is become swing by being installed in excentric shaft on the step motor shaft, level crossing is installed in the purpose that realizes toggle lights on the swing-bar mechanism, an extension spring is installed on the fork structure, after excentric shaft leaves swing-bar mechanism, swing-bar mechanism is by a steel button location, a stepper motor starting power effect is not played the role of positioning and reach the positioning error minimum, can carry out the switching of two light sources very easily, change lamp time weak point, simple in structure, easy to use.
Description of drawings
Fig. 1 is the structural representation of facing of the utility model one embodiment;
Fig. 2 is the vertical view of Fig. 1, shows the tungsten lamp on-state;
The same Fig. 2 of Fig. 3 shows the deuterium lamp on-state.
Embodiment
Accompanying drawing number:
1. deuterium lamp 2. tungsten lamps 3. light source reflectors
4. level crossing 5. monochromators 6. entrance slits
7. control fork 8. bearings 9. stepper motors of linkage
10. excentric shaft 11. back-moving springs 12. buttons
13. nail seat 14. tungsten lamp light paths 15. deuterium lamp light paths
16. screw 17. lamp house covers 18. lamp houses lid
19. base 20. smooth lotus roots
Please refer to Fig. 1, Fig. 2, the utility model is that a kind of UV, visible light beam split light fills meter and changes lamp mechanism, it has two light sources, for example be deuterium lamp 1 and tungsten lamp 2, deuterium lamp 1 and tungsten lamp 2 all are positioned at the same side of light source reflector 3, the light that deuterium lamp 1 sends is through light source reflector 3 reflection and focus on the entrance slit 6 of monochromator 5, and the light that tungsten lamp 2 sends reflexes to light source reflector 3 and focuses on entrance slit 6 by the level crossing 4 that inserts between deuterium lamp and the light source reflector.Deuterium lamp 1, tungsten lamp 2, light source reflector 3 all are fixed on oneself the position on the base, and level crossing 4 is installed on the swing-bar mechanism 7, realizes changing light source by swing incision light path on surface level.Swing is by stepper motor 9 controls, and realize by mechanism structure the location.Deuterium lamp 1 and tungsten lamp 2 adopt the formula structure of usheing to seat to change very easily.
Being configured to of the swing-bar mechanism of described installing level crossing: fork 7 is articulated in bearing 8 rotationally with pivot, bearing 8 is fixed in base 19, the fork middle part connects a back-moving spring 11, this spring end in addition is connected in base 19, this fork is subjected to excentric shaft 10 effects of stepper motor 9 and swings, the light path position between its blocking-up deuterium lamp 1 and light source reflector 2, and this swing link end part is subjected to bulb locating pin 12 spacing, this button is contained in the nail seat 13, and this nail seat is fixed in base 19.Described photometric monochromator 5 is installed in base 19 with screw 10.
Described stepper motor 9 is by light lotus root 20 location, and the driver of this stepper motor connects the automatic program control circuit, and this automatic program control circuit can use prior art.
Claims (4)
1. a ultraviolet-visible pectrophotometer changes lamp mechanism, is contained in the front of photometric monochromator, and it has deuterium lamp and two light sources of tungsten lamp and light source reflector, it is characterized in that:
Deuterium lamp and tungsten lamp all are positioned at the same side of light source reflector, are inserted with a level crossing between deuterium lamp and light source reflector, and this level crossing is contained on the fork of a swing-bar mechanism, and this fork has two swing position; One of position is this level crossing with the light path blocking-up of deuterium lamp, the light that tungsten lamp sends through flat mirror reflects to light source reflector and focus on the entrance slit of monochromator; Two of position is that level crossing shifts out the light path between deuterium lamp and the light source reflector, and the light that deuterium lamp sends is through the source reflection mirror reflection and focus on the entrance slit of monochromator, and described deuterium lamp, tungsten lamp, light source reflector all are fixed on the base, and the lamp house cover is arranged on this base.
2. ultraviolet-visible pectrophotometer as claimed in claim 1 changes lamp mechanism, it is characterized in that: described deuterium lamp, tungsten lamp are the structure that a formula is arranged.
3. ultraviolet-visible pectrophotometer as claimed in claim 1 changes lamp mechanism, it is characterized in that: being configured to of the swing-bar mechanism of described installing level crossing: fork is articulated in bearing with rotating shaft, bearing is fixed in base, the fork middle part connects a back-moving spring, this spring end in addition is connected in base, this fork is subjected to the excentric shaft effect of stepper motor and swings, light path position between its blocking-up deuterium lamp and light source reflector, this swing link end part is subjected to the bulb locating pin spacing, this button is contained in the nail seat, and this nail seat is fixed on the base.
4. ultraviolet-visible pectrophotometer as claimed in claim 1 changes lamp mechanism, it is characterized in that: described photometric monochromator is fixed in base with screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03208618 CN2663951Y (en) | 2003-08-29 | 2003-08-29 | Lamp changing mechanism of ultraviolet-visible spectrophotometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03208618 CN2663951Y (en) | 2003-08-29 | 2003-08-29 | Lamp changing mechanism of ultraviolet-visible spectrophotometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2663951Y true CN2663951Y (en) | 2004-12-15 |
Family
ID=34324852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03208618 Expired - Lifetime CN2663951Y (en) | 2003-08-29 | 2003-08-29 | Lamp changing mechanism of ultraviolet-visible spectrophotometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2663951Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956516A (en) * | 2018-08-28 | 2018-12-07 | 中国科学院合肥物质科学研究院 | Ultraviolet EO-1 hyperion Atmospheric components survey meter path switching mechanisms |
-
2003
- 2003-08-29 CN CN 03208618 patent/CN2663951Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956516A (en) * | 2018-08-28 | 2018-12-07 | 中国科学院合肥物质科学研究院 | Ultraviolet EO-1 hyperion Atmospheric components survey meter path switching mechanisms |
| CN108956516B (en) * | 2018-08-28 | 2021-06-01 | 中国科学院合肥物质科学研究院 | Light path switching mechanism of ultraviolet hyperspectral atmospheric composition detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING RUILI ANALYTICAL INSTRUMENT CO.,LTD. Free format text: FORMER NAME: BEIJING RUILI ANALYTICAL INSTRUMENT CORP. |
|
| CP03 | Change of name, title or address |
Address after: 100015, A5 building, No. 9 East Jiuxianqiao Road, Beijing, Chaoyang District Patentee after: Beijing Ruili Analysis Instrument Co.,Ltd. Address before: 100015, Beijing city east straight outside the West eight rooms Patentee before: Beijing Ruili Analytical Instrument Corp. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130829 Granted publication date: 20041215 |