CN204594843U - The electronic measuring device of surface tension coefficient - Google Patents
The electronic measuring device of surface tension coefficient Download PDFInfo
- Publication number
- CN204594843U CN204594843U CN201520142056.0U CN201520142056U CN204594843U CN 204594843 U CN204594843 U CN 204594843U CN 201520142056 U CN201520142056 U CN 201520142056U CN 204594843 U CN204594843 U CN 204594843U
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- CN
- China
- Prior art keywords
- iron stand
- beaker
- cross bar
- displacement sensor
- optical fibre
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- 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 - Fee Related
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Abstract
The utility model discloses a kind of electronic measuring device of surface tension coefficient.Comprise: iron stand base (1), iron stand vertical rod (2), the first beaker (3), the first iron stand cross bar (4), the second iron stand cross bar (5), optical fibre displacement sensor (6), crotch shape glass bar (7), glass capillary (8), U-shaped U trap (9), clip (10), the second beaker (11), sebific duct (12), rosette (13), single-chip microcomputer (14), LCD liquid crystal display (15).During measurement, the height that water outlet is risen in glass capillary (8) measured by optical fibre displacement sensor (6), the output signal of optical fibre displacement sensor (6) sends into single-chip microcomputer (14), and result is sent into the surface tension coefficient value of LCD liquid crystal display (15) display water by single-chip microcomputer (14).
Description
Technical field
The utility model belongs to physical measurement field, relates to a kind of electronic measuring device of surface tension coefficient.
Background technology
Optical fibre displacement sensor is light transmission type Fibre Optical Sensor, and optical fiber plays the transmitting effect of light in the sensor, has two multimode optical fibers to be respectively used to light source and launch and receive in optical fibre displacement sensor.
One chip microcomputer is called for short single-chip microcomputer, is typical embedded microcontroller (Microcontroller Unit), and the abbreviation MCU of conventional English alphabet represents single-chip microcomputer, and it is be used in industrial control field the earliest.Current single-chip microcomputer penetrates into the every field of our life, is almost difficult to find which field not have the trace of single-chip microcomputer.Single-chip microcomputer runs by program, and can revise.Realize different functions by different programs, by program, with single-chip microcomputer can control LED easily, charactron lights speed and the rotating speed of motor, various random digit can be produced easily and to go forward side by side row operation.The high intelligence of product can be realized, high-level efficiency, and high reliability by program.
LCD liquid crystal display is the abbreviation of Liquid Crystal Display, the structure of LCD is in the middle of the glass that two panels is parallel, place liquid crystal, the two tiny electric wires having many vertical and levels in the middle of sheet glass, control shaft-like crystal molecular changes direction through whether being energized, light refraction is out produced picture.
Summary of the invention
The surface tension coefficient measurements and calculations of water are cumbersome, the purpose of this utility model is to design that a kind of structure is simple, easy to use, the electronic measuring device of dependable performance, cheap surface tension coefficient, automatically can show the surface tension coefficient measurement result of water outlet.
For achieving the above object, the utility model comprises: iron stand base (1), iron stand vertical rod (2), first beaker (3), first iron stand cross bar (4), second iron stand cross bar (5), optical fibre displacement sensor (6), crotch shape glass bar (7), glass capillary (8), U-shaped U trap (9), clip (10), second beaker (11), sebific duct (12), rosette (13), single-chip microcomputer (14), LCD liquid crystal display (15), it is characterized in that: iron stand vertical rod (2) is vertically fixed on iron stand base (1), first beaker (3) is placed on iron stand base (1), water is put in the inside of the first beaker (3), the upper level of iron stand vertical rod (2) fixes the first iron stand cross bar (4) and the second iron stand cross bar (5), the position of the first iron stand cross bar (4) can up-down adjustment, optical fibre displacement sensor (6) is fixed on one end of the first iron stand cross bar (4), one end of crotch shape glass bar (7) is fixed on the second iron stand cross bar (5), crotch shape glass bar (7) puts into the water of the first beaker (3) with one end of crotch, upper end fixing metal disk (13) of crotch shape glass bar (7) crotch, the center of rosette (13) is just to optical fibre displacement sensor (6), one end of glass capillary (8) is fixed on the second iron stand cross bar (5), the water of the first beaker (3) is put in the bottom of glass capillary (8), the water of the first beaker (3) put into by the side pipe of U-shaped U trap (9), the opposite side pipe of U-shaped U trap (9) connects sebific duct (12), sebific duct (12) accompanies a clip (10), the second beaker (11) put into by sebific duct (12), the output signal of optical fibre displacement sensor (6) sends into single-chip microcomputer (14), result is sent into LCD liquid crystal display (15) display by single-chip microcomputer (14).
Accompanying drawing explanation
The electronic measuring device structural representation of Fig. 1 surface tension coefficient;
The electronic measuring device signal transacting block scheme of Fig. 2 surface tension coefficient;
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is illustrated.
See the electronic measuring device structural representation of Fig. 1 surface tension coefficient, the electronic measuring device of surface tension coefficient is by iron stand base (1), iron stand vertical rod (2), first beaker (3), first iron stand cross bar (4), second iron stand cross bar (5), optical fibre displacement sensor (6), crotch shape glass bar (7), glass capillary (8), U-shaped U trap (9), clip (10), second beaker (11), sebific duct (12), rosette (13), single-chip microcomputer (14), LCD liquid crystal display (15) forms, iron stand vertical rod (2) is vertically fixed on iron stand base (1), first beaker (3) is placed on iron stand base (1), water is put in the inside of the first beaker (3), the upper level of iron stand vertical rod (2) fixes the first iron stand cross bar (4) and the second iron stand cross bar (5), the position of the first iron stand cross bar (4) can up-down adjustment, optical fibre displacement sensor (6) is fixed on one end of the first iron stand cross bar (4), one end of crotch shape glass bar (7) is fixed on the second iron stand cross bar (5), crotch shape glass bar (7) puts into the water of the first beaker (3) with one end of crotch, upper end fixing metal disk (13) of crotch shape glass bar (7) crotch, the center of rosette (13) is just to optical fibre displacement sensor (6), one end of glass capillary (8) is fixed on the second iron stand cross bar (5), the water of the first beaker (3) is put in the bottom of glass capillary (8), the water of the first beaker (3) put into by the side pipe of U-shaped U trap (9), the opposite side pipe of U-shaped U trap (9) connects sebific duct (12), sebific duct (12) accompanies a clip (10), the second beaker (11) put into by sebific duct (12).
See the electronic measuring device signal transacting block scheme of Fig. 2 surface tension coefficient, the output signal of optical fibre displacement sensor (6) sends into single-chip microcomputer (14), and result is sent into LCD liquid crystal display (15) display by single-chip microcomputer (14).
The surface tension coefficient of water
wherein ρ is the density of water, and g is acceleration of gravity, r
1for the inside radius of glass capillary (8), h is the height that water rises in glass capillary (8), r
2be the inside radius of the first beaker (3), r
3for the external radius of glass capillary (8), the height h that water rises in the glass capillary (8) is measured by optical fibre displacement sensor (6), other respectively amount to measure on pretreatment and stored in single-chip microcomputer (14).
During measurement, open water inflow second beaker (11) drop by drop that clip (10) makes in the first beaker (3), when the water surface in the first beaker (3) overlaps with the upper surface of rosette (13), tightening clip (10) makes the water surface in the first beaker (3) be stabilized in this position, regulate the height of the first iron stand cross bar (4), make the concave surface minimum point of the lower surface of optical fibre displacement sensor (6) and the middle water of glass capillary (8) on a horizontal line, that at this moment optical fibre displacement sensor (6) is measured is the height h that water rises in glass capillary (8), the output signal of optical fibre displacement sensor (6) sends into single-chip microcomputer (14), result is sent into the surface tension coefficient value that LCD liquid crystal display (15) can show water by single-chip microcomputer (14).
Claims (1)
1. the electronic measuring device of a surface tension coefficient, it is characterized in that: the electronic measuring device of surface tension coefficient is by iron stand base (1), iron stand vertical rod (2), first beaker (3), first iron stand cross bar (4), second iron stand cross bar (5), optical fibre displacement sensor (6), crotch shape glass bar (7), glass capillary (8), U-shaped U trap (9), clip (10), second beaker (11), sebific duct (12), rosette (13), single-chip microcomputer (14), LCD liquid crystal display (15) forms, iron stand vertical rod (2) is vertically fixed on iron stand base (1), first beaker (3) is placed on iron stand base (1), water is put in the inside of the first beaker (3), the upper level of iron stand vertical rod (2) fixes the first iron stand cross bar (4) and the second iron stand cross bar (5), the position of the first iron stand cross bar (4) can up-down adjustment, optical fibre displacement sensor (6) is fixed on one end of the first iron stand cross bar (4), one end of crotch shape glass bar (7) is fixed on the second iron stand cross bar (5), crotch shape glass bar (7) puts into the water of the first beaker (3) with one end of crotch, upper end fixing metal disk (13) of crotch shape glass bar (7) crotch, the center of rosette (13) is just to optical fibre displacement sensor (6), one end of glass capillary (8) is fixed on the second iron stand cross bar (5), the water of the first beaker (3) is put in the bottom of glass capillary (8), the water of the first beaker (3) put into by the side pipe of U-shaped U trap (9), the opposite side pipe of U-shaped U trap (9) connects sebific duct (12), sebific duct (12) accompanies a clip (10), the second beaker (11) put into by sebific duct (12), the output signal of optical fibre displacement sensor (6) sends into single-chip microcomputer (14), result is sent into LCD liquid crystal display (15) display by single-chip microcomputer (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520142056.0U CN204594843U (en) | 2015-03-09 | 2015-03-09 | The electronic measuring device of surface tension coefficient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520142056.0U CN204594843U (en) | 2015-03-09 | 2015-03-09 | The electronic measuring device of surface tension coefficient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204594843U true CN204594843U (en) | 2015-08-26 |
Family
ID=53930988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520142056.0U Expired - Fee Related CN204594843U (en) | 2015-03-09 | 2015-03-09 | The electronic measuring device of surface tension coefficient |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204594843U (en) |
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2015
- 2015-03-09 CN CN201520142056.0U patent/CN204594843U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20160309 |