CN2926298Y - Digital orbital ruler - Google Patents
Digital orbital ruler Download PDFInfo
- Publication number
- CN2926298Y CN2926298Y CN 200620050346 CN200620050346U CN2926298Y CN 2926298 Y CN2926298 Y CN 2926298Y CN 200620050346 CN200620050346 CN 200620050346 CN 200620050346 U CN200620050346 U CN 200620050346U CN 2926298 Y CN2926298 Y CN 2926298Y
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- utility
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- microprocessor
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Abstract
The utility model relates to a new-type digital display orbit ruler which adopts the digital module processor instead of the common graduation ruler and the blister level ruler, which comprises a ruler body, an active probe, a tilt sensor, a displacement sensor, a digital display device, and a fixed probe, among which, the digital display device adopts the digital module processor that is arranged in the digital display case, the tilt sensor is arranged in the anti-dropping cover for examining the level degree, and the displacement sensor is arranged on the graduation board which is arranged in the runner block and can move freely. The utility model increases the measuring accuracy and can numerate the measured angle value and length value directly from the display screen, and the utility model has a plurality of measuring modes, such as 1435mm, 1391mm, and 1348mm. The utility model displays the angle value or the gradient value of the orbit and the orbit distance value or distance deviation under these modes, and the utility model is provided with the super-high measurement (0-160mm). This utility model is reasonable in design, simple in structure, high in accuracy, and convenient and portable for use.
Description
Technical field:
The utility model belongs to testing tool, is specifically related to a kind of numeral and shows track gauge.
Background technology:
As everyone knows: the railway worker is when building construction railroad and safeguarding railway, all must be to the gauge of railroad track, the angle value or the value of slope of track, the levelness of track is accurately measured, and adopt traditional common blaze chi and bubble spirit level to make track forces at present, not only the value of reading accuracy is not high for it, and can not the direct value of reading of size be brought very burden for like this people of construction, and be influenced work effect and work quality.
Summary of the invention:
The purpose of this utility model is to provide some can directly show the value of reading according to above-mentioned weak point, the modern testing tool that accuracy is high, and numeral shows track gauge.
The utility model is to realize like this, its concrete structure includes blade, movable gauge head, obliquity sensor, displacement transducer, numerical display device, fixing gauge head, handle, below the blade two ends, be provided with fixedly gauge head and movable gauge head, be installed on handle and numerical display device in the middle of on blade, numerical display device is the box body shape, the box body panel of numerical display device is provided with display screen, power switch key, [pattern/shift key], [angle/Dou degree] key, [locking/unlocking] key, [noctilucence/calibration] key, in the numerical display device box body, be provided with the digital module processor, obliquity sensor, displacement transducer is installed on the scale plate, scale plate is installed in the chute and can moves freely, and numeric display unit is connected with movable gauge head by displacement transducer.
The utility model numeral shows the numeric display unit of track gauge, and its circuit part is provided with power supply, Power Supply Monitoring, obliquity sensor, A/D converter, memory, keyboard, microprocessor, 8 functions of demonstration.
Description of drawings:
Fig. 1 is the utility model overall structure schematic diagram
Fig. 2 is the utility model digital display device and sensor scheme of installation
Fig. 3 shows device panel schematic diagram for the utility model
Fig. 4 is the utility model digital display device functional block block diagram
Fig. 5 is a utility model digital display device function block circuit structure chart
Drawing reference numeral:
1 fixedly gauge head, 2 protective covers, 3 blades, 4 handles, 5 numerical display devices, 6 movable gauge heads, 7 box bodys, 8 display screens, 9 power switch keys, 10[pattern/conversion] key, 11[angle/Dou degree] key, 12[locking/unlocking] key, 13[noctilucence/calibration] key, 14 obliquity sensors, 15 display unit fixed heads, 16 sensor gang sockets, 17 attachment plugs, 18 displacement transducers, 19 printed circuit board assemblies.
The specific embodiment:
Numeral of the present utility model shows track gauge, it includes the movable gauge head of blade, fixing gauge head, obliquity sensor, displacement transducer, numerical display device, it is characterized in that this product is flat chi shape, below the two ends of blade (3), be provided with fixedly gauge head (1) and movable gauge head (6), in the middle of going up, blade (3) is installed on box body shape numerical display device (5) and handle (4), the box body of numerical display device (7) panel is provided with display screen (8) and power switch key (9), [pattern/conversion] key (10), [angle/Dou degree] key (11), [locking/unlocking] key (12), [noctilucence/calibration] key (13) five-function key.In box body, be installed on the little processing of digital-to-analogue, obliquity sensor, its digital-to-analogue micro-processor interface circuit includes: A/D sample circuit, memory, display driver, Power Supply Monitoring, warning, noctilucence drive circuit, (shown in Fig. 4,5) are in addition by gang socket (16) and attachment plug (17) and external displacement transducer (18) UNICOM.
Numeric display unit (5) and movable gauge head (6) be by displacement transducer (18) be attached thereto, power supply, power supply monitoring, sensor, A/D converter, memory, keyboard, microprocessor, 8 functional blocks of demonstration.
Below in conjunction with Fig. 4, Fig. 58 functional blocks of numerical display device of the present utility model are illustrated further:
1, power supply: this functional block output two-way voltage, one the tunnel is 5V, supply with the digital circuit part of whole system, this part is not high to the voltage request precision, general 5V voltage stabilizing chip just can reach requirement, it is HT7150 that this part is selected chip for use, another road is a 5V a reference source, supply with the simulation part of whole system, comprise sensor, the analog input voltage of A/D and reference input voltage, the stability of this part voltage is related to the conversion accuracy of the stable and A/D of sensor output voltage, so this part is very high to voltage request, the chip that this part is selected for use is MAX6065.
2, power supply monitoring: this functional block monitoring supply voltage, because power supply 5V power requirement precision is very high, when the input voltage of 5V voltage stabilizing chip during less than certain limit value, output voltage is just unstable, this will badly influence the stability of working sensor and the conversion accuracy of A/D, so, necessary monitoring input voltage, this partial function is finished by the A/D converter of MEGA8L inside, the characteristics of this A/D converter are to be fit to voltage detecting, link to each other with microprocessor by serial line interface, detection information is passed to microprocessor.
3, sensor: this part converts angle value and the shift value that detects to magnitude of voltage, outputs to A/D converter, in order to improve the stability of output voltage, has added one-level RC filtering at output.
4, AD converter: this part converts the magnitude of voltage of sensor output to digital value, outputs to microprocessor, is convenient to the processing of microprocessor.The conversion accuracy of this part directly has influence on the performance of whole instrument, because the voltage drift influence is inevitable, so, in this section, the shared voltage of the aanalogvoltage of A/D and reference voltage, effectively overcome the transformed error that the influence of voltage drift causes, the minor variations of the parameter of A/D converter own also has, owing to also can have influence on the precision that A/D changes, in order to overcome this point, we have selected the A/D converter that has self-correcting function for use, improve the precision of conversion by the self-correcting of A/D converter, and this part chip of selecting for use is MCP3201, link to each other with microprocessor by serial line interface, detection information is passed to microprocessor.
5, memory: this part is used to store some parameters and data, and as the parameter of gamma correction, the chip that this part is selected for use is the eeprom memory of MEGA8L inside.
6, keyboard: receive user command, convert corresponding key assignments to, output to microprocessor.
7, microprocessor: this part is handled it with the value of A/D output to keyboard output, power supply monitoring output, need do the lot of data computing, the chip of selecting for use is 8 low-power scm MEGA8L, value from A/D output, inevitably exist fluctuation with non-linear, this can have influence on output result's stable and precision, here, in order to resist fluctuation, we have done software filtering and since non-linear effects precision, carried out gamma correction by interpolation method, in order further to improve stability, done the tracking filter processing, operation result outputs to display.
8, show: receive the data of the output of microprocessor, with its demonstration, in order to reduce power consumption, this part drives chip HT1621 with LCD and LCD.
Function declaration
1. absolute angle is measured: measure the angle between tested surface and the horizontal plane.
2. displacement measurement: measure the distance between the track.
3. natural measurement of tilt: measure the gradient between tested surface and the horizontal plane, formula is: H=L*sin (a).
4. locking: can lock a certain angle and displacement, show value is no longer changed.
5. self-correcting: this function can improve the precision of measurement, the error that rectifies an instrument and use for a long time and occur.
6. noctilucence: this function is convenient to light and is measured when dark, is convenient to watch measured value.
Press key text
1.[power switch] key:
2.[pattern] key: measurement pattern is switched (as 1435mm, 1391mm, 1348mm isotype), is self-calibration function under the self calibration state.
3.[angle/gradient] key: angle and gradient are switched, and are self-calibration function under the self calibration state.
4.[locking/unlocking] key: be locked in the release merit and change.
5.[noctilucence/calibration] key: luminous switch, press the self calibration state that enters for a long time.
Claims (6)
1, a kind of numeral shows track gauge, it includes blade, movable gauge head, fixing gauge head, obliquity sensor, displacement transducer, handle, numerical display device, it is characterized in that this product is flat chi shape, below the two ends of blade (3), be provided with fixedly gauge head (1), movable gauge head (6), in the middle of going up, blade (3) is installed on box body shape numerical display device (5) and handle (4), be installed on display screen (8) and power switch key (9) on box body (7) panel of numerical display device (5), [pattern/conversion] key (10), [angle/gradient] key (11), [locking/unlocking] key (12), [noctilucence/calibration] key (13) five-function key, in box body (7), be installed on by power supply, power supply monitoring, A/D converter, memory, keyboard, microprocessor, printed circuit board assembly (19) that display 7 functional blocks are formed and obliquity sensor (14), power supply monitoring wherein, memory is connected with the digital-to-analogue microprocessor, it is 8 low-power scm MEGA8L that microprocessor is selected chip for use, and other is by the sensor gang socket (16) and attachment plug (17) and displacement transducer (18) UNICOM that is installed on the scale plate of numerical display device (5).
2, numeral according to claim 1 shows track gauge, it is characterized in that numerical display device (5) and movable gauge head (6) are to be attached thereto by displacement transducer (18).
3, numeral according to claim 1 shows track gauge, it is characterized in that obliquity sensor (14) and displacement transducer (18) difference detection angles value and movable gauge head (6) shift value and convert magnitude of voltage to, export A/D converter to through RG filtering, it is MCP3201 that A/D converter is selected chip for use, analog signal is converted into data signal, the output data signal, output is connected with microprocessor by serial line interface.
4, numeral according to claim 1 shows track gauge, it is characterized in that power supply function piece output two-way is a 5V voltage, and selecting chip respectively for use is HT7150 and MAX6065.
5, numeral according to claim 1 shows track gauge, it is characterized in that the detection input voltage of power supply monitoring functional block is connected with microprocessor by serial line interface.
6, numeral according to claim 1 shows track gauge, it is characterized in that keypad function piece output, the output of power supply monitoring functional block and A/D handle it value with data operation result output through microprocessor, convert the needed information of user to, output is through the Presentation Function circuit, show through display screen (8) that again display selects for use LCD and LCD to drive chip HI1621.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620050346 CN2926298Y (en) | 2006-03-20 | 2006-03-20 | Digital orbital ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620050346 CN2926298Y (en) | 2006-03-20 | 2006-03-20 | Digital orbital ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2926298Y true CN2926298Y (en) | 2007-07-25 |
Family
ID=38280539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620050346 Expired - Fee Related CN2926298Y (en) | 2006-03-20 | 2006-03-20 | Digital orbital ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2926298Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482899A (en) * | 2014-12-30 | 2015-04-01 | 苏州路云机电设备有限公司 | Switch rail measurement instrument |
-
2006
- 2006-03-20 CN CN 200620050346 patent/CN2926298Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482899A (en) * | 2014-12-30 | 2015-04-01 | 苏州路云机电设备有限公司 | Switch rail measurement instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |