CN205449842U - Optical lever measuring device for experiments - Google Patents
Optical lever measuring device for experiments Download PDFInfo
- Publication number
- CN205449842U CN205449842U CN201620005569.1U CN201620005569U CN205449842U CN 205449842 U CN205449842 U CN 205449842U CN 201620005569 U CN201620005569 U CN 201620005569U CN 205449842 U CN205449842 U CN 205449842U
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- optical lever
- chi
- liquid
- ball
- laser
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Abstract
The utility model relates to an optical lever measuring device for experiments, water -bath heating inslot have placed test tube and temperature sensor, and the liquid that awaits measuring is placed to the inside of test tube, and the ball -cock assembly has been placed to the liquid upper surface, adjusting station is installed on the right side in water -bath heating groove, and the front end of optical lever is placed on adjusting station, and place on the ball -cock assembly bracing piece rear end of optical lever, the data measurement chi is installed to adjusting station's right -hand member, and mobilizable laser emitter is installed to the lower extreme of data measurement chi, and mobilizable laser receiver is installed to the upper end of data measurement chi. This optical lever measuring device for experiments utilizes the cubic expansion coefficient of optical lever and laser sensor, temperature sensor measurement liquid, and the precision is high, data reading convenient and fast and can measure the cubic expansion coefficient of multiple liquid, and the accuracy is high.
Description
Technical field
This utility model belongs to measurement apparatus technical field, particularly relates to a kind of experimental optical lever measurement mechanism.
Background technology
The coefficient of cubical expansion (the abbreviation cubic expansion coefficient) of liquid is the important physical amount of change in volume when characterizing heated liquid, is one of the important physical parameter that must examine or check in engineering design.Measuring frequently with dilatometer in the lab, the method operation is very inconvenient, and condition requires harshness, and degree of accuracy is poor.Therefore, the method that people have studied multiple measurement thermal coefficient of expansion.Such as: utilizing the cubic expansion coefficient of thermometer measure hydrargyrum and ethanol, clear principle, method is easy, but can only measure ethanol or hydrargyrum, has significant limitation.The method measuring the cubic expansion coefficient of liquid with the density bottle with capillary tube, is calculated by the change of liquid level in capillary tube before and after measurement expansion of liquids, but the impact of bubble in easy liquid body, it is bigger that capillary diameter measures difficulty.
Utility model content
This utility model measures frequently with dilatometer present in solution known technology in the lab, the method operation is very inconvenient, condition require harshness, degree of accuracy poor and provide a kind of simple in construction, easy to install, improve work efficiency experimental optical lever measurement mechanism.
This utility model is adopted the technical scheme that by solving technical problem present in known technology:
This experimental optical lever measurement mechanism includes: water-bath heating slot, test tube, temperature sensor, ball-cock assembly, regulating platform, optical lever, DATA REASONING chi, generating laser, laser pickoff；
Being placed with test tube and temperature sensor in water-bath heating slot, testing liquid is placed in the inside of test tube, and liquid upper surface is placed with ball-cock assembly；The right side of water-bath heating slot is provided with regulating platform, and the front end of optical lever is placed on regulating platform, and the support bar rear end of optical lever is placed on ball-cock assembly；The right-hand member of regulating platform is provided with DATA REASONING chi, and the lower end of DATA REASONING chi is provided with moveable generating laser, and the upper end of DATA REASONING chi is provided with moveable laser pickoff.
This utility model can also use following technical measures:
Described optical lever includes: plane mirror, support bar, fixed mount；
Plane mirror is arranged on fixed mount by rotating shaft, and the rear end of fixed mount is provided with support bar.
The lower end of described optical lever is provided with height adjuster.
This utility model has the advantage that with good effect: this experimental optical lever measurement mechanism utilizes optical lever and laser sensor, the cubic expansion coefficient of temperature sensor measurement liquid, convert information into digital information, precision is high, digital independent is convenient and swift and can measure the cubic expansion coefficient of plurality of liquid, and degree of accuracy is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the experimental optical lever measurement mechanism that this utility model embodiment provides；
Fig. 2 is the structural representation of the optical lever that this utility model embodiment provides；
Fig. 3 is the Cleaning Principle schematic diagram of the experimental optical lever measurement mechanism that this utility model embodiment provides；
In figure: 1, water-bath heating slot；2, test tube；3, temperature sensor；4, ball-cock assembly；5, regulating platform；6, optical lever；6-1, plane mirror；6-2, support bar；6-3, fixed mount；7, DATA REASONING chi；8, generating laser；9, laser pickoff.
Detailed description of the invention
For summary of the invention of the present utility model, feature and effect can be further appreciated that, hereby enumerate following example, and it be as follows to coordinate accompanying drawing to describe in detail:
Refer to shown in Fig. 1 to Fig. 3: this experimental optical lever measurement mechanism includes: water-bath heating slot 1, test tube 2, temperature sensor 3, ball-cock assembly 4, regulating platform 5, optical lever 6, DATA REASONING chi 7, generating laser 8, laser pickoff 9.
Being placed with test tube 2 and temperature sensor 3 in water-bath heating slot 1, testing liquid is placed in the inside of test tube 2, and liquid upper surface is placed with ball-cock assembly 4；The right side of water-bath heating slot 1 is provided with regulating platform 5, and the front end of optical lever 6 is placed on regulating platform 5, and the support bar rear end of optical lever 6 is placed on ball-cock assembly 4；The right-hand member of regulating platform 5 is provided with DATA REASONING chi 7, and the lower end of DATA REASONING chi 7 is provided with moveable generating laser 8, and the upper end of DATA REASONING chi 7 is provided with moveable laser pickoff 9.
Described optical lever 6 includes: plane mirror 6-1, support bar 6-2, fixed mount 6-3；
Plane mirror 6-1 is arranged on fixed mount 6-3 by rotating shaft, and the rear end of fixed mount 6-3 is provided with support bar 6-2.
The lower end of described optical lever 6 is provided with height adjuster.
Optical lever 6 metapedes is positioned over ball-cock assembly 4 upper end, and optical lever 6 front foot is positioned over regulating platform 5 upper end.DATA REASONING chi 7 is positioned on scale platform and to adjust DATA REASONING chi 7 parallel with optical lever 6 minute surface.Turning on the power, mobile optical lever 6 makes laser-bounce point on DATA REASONING chi 7, rotates the height adjuster of optical lever 6 lower end, adjusts laser radiation point and is exactly in laser pickoff 9 lower end or upper end.
Plane mirror 6-1 uses can be around the plane mirror 6-1 rotated by the trunnion axis at minute surface center, and the two ends of fixed mount 6-3 are provided with two point foots and support, and support bar 6-2 tail end is provided with a point foot and supports, and the line of three point foots is an isosceles triangle.The first two point foot line and plane mirror 6-1 horizontal axis (plane mirror 6-1 pitching orientation is adjustable) in the same plane, be put in during experiment on regulating platform 5, and metapedes, on the perpendicular bisector of front two foot lines, is put in during experiment on ball-cock assembly 4.
Use generating laser 8 and laser pickoff 9, utilize direct reflection principle to gather information.The position of regulation plane mirror 6-1, makes laser-bounce point under a point of laser pickoff 9.When temperature is raised and lowered, the deflection mirror surface now laser-bounce point causing plane mirror 6-1 can gradually be moved into a point of laser pickoff 9, the temperature sensor 3 collecting temperature T1 when a point of laser pickoff 9 detects laser, the temperature sensor 3 collecting temperature T2 when the b point of laser pickoff 9 detects laser, now exchanges the position repetitive operation of laser pickoff 9.
The above is only to preferred embodiment of the present utility model, not this utility model is made any pro forma restriction, every according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, belong in the range of technical solutions of the utility model.
Claims (3)
1. an experimental optical lever measurement mechanism, it is characterised in that this experimental optical lever measurement mechanism includes: water-bath heating slot, test tube, temperature sensor, ball-cock assembly, regulating platform, optical lever, DATA REASONING chi, generating laser, laser pickoff；
Being placed with test tube and temperature sensor in water-bath heating slot, testing liquid is placed in the inside of test tube, and liquid upper surface is placed with ball-cock assembly；The right side of water-bath heating slot is provided with regulating platform, and the front end of optical lever is placed on regulating platform, and the support bar rear end of optical lever is placed on ball-cock assembly；The right-hand member of regulating platform is provided with DATA REASONING chi, and the lower end of DATA REASONING chi is provided with moveable generating laser, and the upper end of DATA REASONING chi is provided with moveable laser pickoff.
2. experimental optical lever measurement mechanism as claimed in claim 1, it is characterised in that described optical lever includes: plane mirror, support bar, fixed mount；
Plane mirror is arranged on fixed mount by rotating shaft, and the rear end of fixed mount is provided with support bar.
3. experimental optical lever measurement mechanism as claimed in claim 1, it is characterised in that the lower end of described optical lever is provided with height adjuster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620005569.1U CN205449842U (en) | 2016-01-07 | 2016-01-07 | Optical lever measuring device for experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620005569.1U CN205449842U (en) | 2016-01-07 | 2016-01-07 | Optical lever measuring device for experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205449842U true CN205449842U (en) | 2016-08-10 |
Family
ID=56600949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620005569.1U Expired - Fee Related CN205449842U (en) | 2016-01-07 | 2016-01-07 | Optical lever measuring device for experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205449842U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483161A (en) * | 2016-12-15 | 2017-03-08 | 济南大学 | A kind of liquid cubical expansion coefficient measuring instrument based on reflective optical fiber displacement sensor |
| CN107764854A (en) * | 2017-10-25 | 2018-03-06 | 汤庆佳 | A kind of Temperature Control Type linear expansion coefficient measuring apparatus |
-
2016
- 2016-01-07 CN CN201620005569.1U patent/CN205449842U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483161A (en) * | 2016-12-15 | 2017-03-08 | 济南大学 | A kind of liquid cubical expansion coefficient measuring instrument based on reflective optical fiber displacement sensor |
| CN107764854A (en) * | 2017-10-25 | 2018-03-06 | 汤庆佳 | A kind of Temperature Control Type linear expansion coefficient measuring apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20170107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |