CN201548205U - Photoelectric encoding vernier scale - Google Patents
Photoelectric encoding vernier scale Download PDFInfo
- Publication number
- CN201548205U CN201548205U CN2009202299578U CN200920229957U CN201548205U CN 201548205 U CN201548205 U CN 201548205U CN 2009202299578 U CN2009202299578 U CN 2009202299578U CN 200920229957 U CN200920229957 U CN 200920229957U CN 201548205 U CN201548205 U CN 201548205U
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- CN
- China
- Prior art keywords
- photoelectric
- varnier
- scale
- vernier
- worm
- 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 - Fee Related
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model relates to a photoelectric encoding varnier scale. The photoelectric encoding varnier comprises a main scale, a varnier, a base, and a singlechip display control circuit system, wherein the main scale has slits in positions of the graduation marks; a worm wheel and a worm are mounted on the base; the worm wheel butts against the worm; a sleeve is also arranged on the worm; the varnier is fixed on the sleeve; the varnier consists of a dark box body and a clamp claw fixedly connected with each other; and the singlechip display control circuit system comprises a singlechip, an LED display screen, a keypad, a step motor, three photoelectric coding counting circuits, and three photoelectric sensors the step motor is mounted on the base and is connected with the worm wheel through keys; the three photoelectric sensors are mounted in the dark box of the varnier and are respectively connected with the three photoelectric coding counting circuits for alignment determination, moving direction determination and integer counting. The photoelectric encoding varnier scale using automatic photoelectric coding measurement can obviate the error caused by poor vision and operation mistake of users.
Description
Technical field:
The utility model relates to a kind of dimensional measuring instrument, especially a kind of photoelectric coding vernier scale.
Background technology:
By discovering, when using common survey instrument, all need artificial the survey to read, and the easy like this personal error that causes, cause the inaccurate or mistake of the data of surveying.
The utility model content:
The purpose of this utility model just is the deficiency at prior art, and a kind of photoelectric coding vernier scale is provided, and it adopts automatic photoelectric coding to measure based on vernier caliper, and eyesight quality and the operating mistake because of the people do not cause error.
Realize that the technical scheme that the utility model purpose is adopted is: a kind of photoelectric coding vernier scale, it comprises a main scale, a vernier, it is characterized in that:
Described main scale, its scale code position all is provided with slit;
It comprises that also one is equipped with the base of worm screw, and a worm gear is installed on the base, and worm gear docks with worm screw;
Also be provided with a sleeve on the described worm screw, fixing vernier on the sleeve, vernier are fixedlyed connected with a claw by a camera bellows body and are constituted;
It also comprises a single-chip microcomputer display control circuit system;
Described single-chip microcomputer display control circuit system, it comprises a single-chip microcomputer, a LED display, a keyboard, a stepper motor, three photoelectric coding counting circuits, three photoelectric sensors;
Described stepper motor is installed on the base, and it is connected with the worm gear key;
Described three photoelectric sensors, it is installed in the vernier camera bellows body, and it joins with three photoelectric coding counting circuits respectively;
Described LED display, keyboard, stepper motor, three photoelectric coding counting circuits all join with single-chip microcomputer.
The utlity model has following beneficial effect:
1, the utility model it adopt automatic photoelectric coding to measure, eyesight quality and the operating mistake because of the people do not cause error.
2, the utility model design is unique, novel, makes easily.
3, the utility model is simple and practical, cost is low, and market outlook are good, is applicable to Seiko measurement industry.
Description of drawings:
Fig. 1 is the utility model structural representation.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described.
Among Fig. 1, label 1 is a base, and label 2 is a main scale, and label 3 is a slit, and label 4 is a worm screw, and label 5 is a worm gear, and label 6 is a stepper motor, and label 7 is a sleeve, and label 8 is the camera bellows body, and label 9 is a claw, and label 10 is a workpiece for measurement.
As shown in Figure 1, a kind of photoelectric coding vernier scale, it comprises a main scale 2, a vernier; Described main scale 2, its scale code position all is provided with slit 3, and main scale 2 minimum scales are 1mm, and slit 3 seams are wide to be 0.05mm; It comprises that also one is equipped with the base 1 of worm screw 4, and a worm gear 5 is installed on the base 1, and worm gear 5 docks with worm screw 4; Also be provided with a sleeve 7 on the described worm screw 4, fixing vernier on the sleeve 7, vernier are fixedlyed connected with a claw 9 by a camera bellows body 8 and are constituted; It also comprises a single-chip microcomputer display control circuit system; Described single-chip microcomputer display control circuit system, it comprises a single-chip microcomputer, a LED display, a keyboard, a stepper motor, three photoelectric coding counting circuits, three photoelectric sensors; Described stepper motor 6 is installed on the base 1, and it is connected with worm gear 5 keys; Described three photoelectric sensors, it is installed in the vernier camera bellows body 8, and it joins with three photoelectric coding counting circuits respectively; Described LED display, keyboard, stepper motor 6, three photoelectric coding counting circuits all join with single-chip microcomputer; Described LED display is used for dynamically showing measured data; Described three photoelectric sensors are respectively applied for and aim at judgement, moving direction judgement, integer-bit counting; Described stepper motor 6 is used to drive worm gear 5 and worm screw 4, drives vernier indirectly and slides; One workpiece for measurement 10 can block measurement by claw, and measured data export LED display to by single-chip microcomputer.
Ultimate principle of the present utility model and principal character and advantage have more than been described.The technician of the industry can understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all will fall in claimed the utility model scope.
Claims (1)
1. photoelectric coding vernier scale, it comprises a main scale, a vernier, it is characterized in that:
Described main scale, its scale code position all is provided with slit;
It comprises that also one is equipped with the base of worm screw, and a worm gear is installed on the base, and worm gear docks with worm screw;
Also be provided with a sleeve on the described worm screw, fixing vernier on the sleeve, vernier are fixedlyed connected with a claw by a camera bellows body and are constituted;
It also comprises a single-chip microcomputer display control circuit system;
Described single-chip microcomputer display control circuit system, it comprises a single-chip microcomputer, a LED display, a keyboard, a stepper motor, three photoelectric coding counting circuits, three photoelectric sensors;
Described stepper motor is installed on the base, and it is connected with the worm gear key;
Described three photoelectric sensors, it is installed in the vernier camera bellows body, and it joins with three photoelectric coding counting circuits respectively;
Described LED display, keyboard, stepper motor, three photoelectric coding counting circuits all join with single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202299578U CN201548205U (en) | 2009-11-17 | 2009-11-17 | Photoelectric encoding vernier scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202299578U CN201548205U (en) | 2009-11-17 | 2009-11-17 | Photoelectric encoding vernier scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201548205U true CN201548205U (en) | 2010-08-11 |
Family
ID=42603379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202299578U Expired - Fee Related CN201548205U (en) | 2009-11-17 | 2009-11-17 | Photoelectric encoding vernier scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201548205U (en) |
-
2009
- 2009-11-17 CN CN2009202299578U patent/CN201548205U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20101117 |