CN201885708U - Digital grade-measuring instrument - Google Patents
Digital grade-measuring instrument Download PDFInfo
- Publication number
- CN201885708U CN201885708U CN2010206008451U CN201020600845U CN201885708U CN 201885708 U CN201885708 U CN 201885708U CN 2010206008451 U CN2010206008451 U CN 2010206008451U CN 201020600845 U CN201020600845 U CN 201020600845U CN 201885708 U CN201885708 U CN 201885708U
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- liquid crystal
- signal amplifier
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Abstract
A digital grade-measuring instrument comprises a shell, a liquid crystal screen, a power switch, a prompt start key, a level calibration key, a measurement mode-switching key, a display-locking key, hooks, a direct-current power supply unit, a microelectronic sensor unit, a data-processing unit, a signal amplifier unit and a decoding drive unit; the instrument adopts a semicircular shape, which accords with the conventional shape of a tilt gauge, the center of gravity is at the center, and thereby errors cannot be produced when the instrument is hung for measurement; the hooks can be folded, so that the size can be reduced; and the plane of the instrument can be used as a measuring plane as well. Since the microelectronic technology is adopted, the measurement precision of the instrument is greatly increased, and the measurement result is digitally displayed by the liquid crystal screen; with a backlight plate, the liquid crystal screen can be used in the dark environment; compared with the overall dimension of the dial-plumb type tilt gauge, the overall dimension of the instrument is greatly reduced, the weight is light, and therefore the instrument is convenient to carry; a user can independently calibrate the instrument, the hooks of the instrument can be folded, and the plane of the folded instrument can be used as the measuring plane.
Description
(1) technical field
The utility model relates to a kind of surveying instrument, is specifically related to a kind of digital gradient measurer.
(2) background technology
Existing slope measuring instrument adopts gravity tester pin type, line to hang modes such as plumb bob formula or air level and measure, by the visual measured value of reading on the index dial, go for the diameter that just needs to increase scale than higher measuring accuracy, scale value 20 '～1 of scale °, reading error is bigger, carry inconvenience, the size of wind-force also can influence the accuracy of measurement during measurement.
(3) summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of new digital formula gradient measurer is provided, and easy and simple to handle, error is little, guarantees to measure accurately.
The utility model is achieved in that
A kind of digital gradient measurer is made up of housing 1, liquid crystal display 2, power switch 3, prompt tone open key 4, horizontal alignment key 5, measurement pattern switch key 6, demonstration locking key 7, hook 8, DC power source unit 9, microelectronic sensor unit 10, data processing unit 11, signal amplifier unit 12 and decoding drive unit 13; Liquid crystal display 2 is installed in the front of housing 1, power switch 3, and prompt tone open key 4, horizontal alignment key 5, measurement pattern switch key 6 shows that locking key 7 is installed in liquid crystal display 2 belows successively; Hook 8 is installed in the both sides of housing 1 respectively, DC power source unit 9, microelectronic sensor unit 10, data processing unit 11, signal amplifier unit 12, decoding drive unit 13 is installed in housing 1 inside, DC power source unit 9 is microelectronic sensor unit 10, data processing unit 11, signal amplifier unit 12 and decoding drive unit 13 power supplies, microelectronic sensor unit 10 connects data processing unit 11, data processing unit 11 connects signal amplifier unit 12, signal amplifier unit 12 connects decoding drive unit 13, and decoding drive unit 13 connects liquid crystal display 2.
By using the utility model to make the measuring accuracy of instrument improve greatly, the conventional gradiometer of its weight ratio has reduced many, in light weight, easy to carry.
(4) description of drawings
Fig. 1 is the utility model synoptic diagram.
Fig. 2 is the utility model inner structure synoptic diagram.
(5) embodiment
Further specify with reference to the accompanying drawings:
A kind of digital gradient measurer is made up of housing 1, liquid crystal display 2, power switch 3, prompt tone open key 4, horizontal alignment key 5, measurement pattern switch key 6, demonstration locking key 7, hook 8, DC power source unit 9, microelectronic sensor unit 10, data processing unit 11, signal amplifier unit 12 and decoding drive unit 13; Liquid crystal display 2 is installed in the front of housing 1, power switch 3, and prompt tone open key 4, horizontal alignment key 5, measurement pattern switch key 6 shows that locking key 7 is installed in liquid crystal display 2 belows successively; Hook 8 is installed in the both sides of housing 1 respectively, DC power source unit 9, microelectronic sensor unit 10, data processing unit 11, signal amplifier unit 12, decoding drive unit 13 is installed in housing 1 inside, DC power source unit 9 is microelectronic sensor unit 10, data processing unit 11, signal amplifier unit 12 and decoding drive unit 13 power supplies, microelectronic sensor unit 10 connects data processing unit 11, data processing unit 11 connects signal amplifier unit 12, signal amplifier unit 12 connects decoding drive unit 13, and decoding drive unit 13 connects liquid crystal display 2.
Power switch key: length was pressed this button 3 seconds under off-mode, buzzer call one, and system enters the default angle measurement pattern; Length was pressed this button 3 seconds under open state, and system enters off-mode.
Open prompt tone: key is a prompt tone On/Off key.Under open state, short in a deuterzooid button, send prompt tone once.
Horizontal alignment key: be used to calibrate gradient measurer.
Measurement pattern switch key: be the mode switch button; Can between angle, the gradient, relative angle, change.
Show locking key: be the locking button; Short in this key data locking, weak point is removed by this keylock once more.
Backlight switch: long backlight under open state by locking/key backlight can be opened liquid crystal display in 3 seconds, and then the vice-minister can close backlight by 3 seconds.
The present invention adopts electronic sensor as sensitive element, by the electronic circuit calculation process, shows measured value by liquid crystal display; The instrument profile adopts semi-circular moulding, meets the traditional design of tilt gauge, and focus point is placed in the middle simultaneously, hangs when measuring and can not produce error, promptly pseudo-angle; The hook of instrument can fold and pack up, the volume that reduces to carry; The plane of instrument also can be used as measurement face.
Owing to adopted microelectric technique to make the measuring accuracy of instrument improve greatly, measurement result also is the numeral demonstration of liquid crystal display by original scale display change; Liquid crystal display has backlight, can use under the environment of dark; Overall dimensions have reduced many, in light weight, easy to carry with the tilt gauge ratio that dial cord is hung the plumb bob formula; The adjustment of instrument is very convenient, and the user is adjustment voluntarily, and the hook of instrument can be packed up, after packing up the instrument plane can be used as measurement face.The numeral of liquid crystal display shows also upset simultaneously.Get rid of of the influence of extraneous natural conditions, reduce volume measuring, easy to carry, improve measuring accuracy.Measuring accuracy reaches more than 0.1 °.
Claims (1)
1. digital gradient measurer, form by housing, liquid crystal display, power switch, prompt tone open key, horizontal alignment key, measurement pattern switch key, demonstration locking key, hook, DC power source unit, microelectronic sensor unit, data processing unit, signal amplifier unit and decoding drive unit, it is characterized in that: liquid crystal display is installed in the front of housing, power switch, the prompt tone open key, the horizontal alignment key, the measurement pattern switch key shows that locking key is installed in below the liquid crystal display successively; Hook is installed in the both sides of housing respectively, DC power source unit, microelectronic sensor unit, data processing unit, signal amplifier unit, decoding drive unit are installed in enclosure interior, DC power source unit is microelectronic sensor unit, data processing unit, signal amplifier unit and decoding drive unit power supply, the microelectronic sensor unit connects data processing unit, data processing unit connects the signal amplifier unit, the signal amplifier unit connects decoding drive unit, and decoding drive unit connects liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206008451U CN201885708U (en) | 2010-11-11 | 2010-11-11 | Digital grade-measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206008451U CN201885708U (en) | 2010-11-11 | 2010-11-11 | Digital grade-measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201885708U true CN201885708U (en) | 2011-06-29 |
Family
ID=44183253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206008451U Expired - Fee Related CN201885708U (en) | 2010-11-11 | 2010-11-11 | Digital grade-measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201885708U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389071A (en) * | 2013-07-06 | 2013-11-13 | 河北外国语职业学院 | A leveling device of horizontal bar for high jump |
| USD867910S1 (en) | 2018-04-27 | 2019-11-26 | Milwaukee Electric Tool Corporation | Digital level |
| US11353325B2 (en) | 2019-02-20 | 2022-06-07 | Milwaukee Electric Tool Corporation | Level with digital display |
-
2010
- 2010-11-11 CN CN2010206008451U patent/CN201885708U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389071A (en) * | 2013-07-06 | 2013-11-13 | 河北外国语职业学院 | A leveling device of horizontal bar for high jump |
| CN103389071B (en) * | 2013-07-06 | 2015-11-25 | 河北外国语职业学院 | A kind of high jump cross bar leveling instrument |
| USD867910S1 (en) | 2018-04-27 | 2019-11-26 | Milwaukee Electric Tool Corporation | Digital level |
| USD902754S1 (en) | 2018-04-27 | 2020-11-24 | Milwaukee Electric Tool Corporation | Digital level |
| USD945289S1 (en) | 2018-04-27 | 2022-03-08 | Milwaukee Electric Tool Corporation | Digital level |
| USD995327S1 (en) | 2018-04-27 | 2023-08-15 | Milwaukee Electric Tool Corporation | Digital level |
| US11353325B2 (en) | 2019-02-20 | 2022-06-07 | Milwaukee Electric Tool Corporation | Level with digital display |
| US11892320B2 (en) | 2019-02-20 | 2024-02-06 | Milwaukee Electric Tool Corporation | Level with digital display |
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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: 20110629 Termination date: 20151111 |
|
| EXPY | Termination of patent right or utility model |