CN104976993B - A kind of integrated form multipurpose compass and measurement method - Google Patents
A kind of integrated form multipurpose compass and measurement method Download PDFInfo
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- CN104976993B CN104976993B CN201510426649.4A CN201510426649A CN104976993B CN 104976993 B CN104976993 B CN 104976993B CN 201510426649 A CN201510426649 A CN 201510426649A CN 104976993 B CN104976993 B CN 104976993B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
- G01C17/02—Magnetic compasses
- G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
- G01C17/06—Suspending magnetic elements
- G01C17/08—Suspending magnetic elements by flotation
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Abstract
A kind of integrated form multipurpose compass and measurement method, for folded form compass, including azimuthal measurement apparatus, apart from assessment device, pitch angle measurement device and mileage measuring device, azimuthal measurement apparatus is fully integrated into apart from assessment device, pitch angle measurement device and mileage measuring device in compass shell and case lid, it is characterized in that, compass is liquid damped compass, and using rotation reading formula structure, the dial plate on shell is the double graduation azimuth circles that can be rotated；It is equipped with groove type aiming and Distnace determination device on compass, while being equipped with speculum on compass；It is equipped with the bundle pin hole for delimiting sector region in the end of engineer's scale；Below dial plate be equipped with night can luminescent layer, compass generally sealing structure；It is equipped with grade rod in the side of compass shell.
Description
Technical field
The present invention relates to a kind of instrument and meter and application methods, and in particular to a kind of compass and application method, especially
It is a kind of method for carrying out the device of a variety of measurements using compass and measuring observation, belongs to technology of instrument and meter field, it can be extensive
Applied to fields such as military affairs, navigation, field exploration, urban road map readings, can also be applied in other measuring instrument equipment.
Background technology
Compass is a kind of Simple tool for measuring orientation, is widely used in various direction interpretations, for example military, boat
The fields such as sea, field exploration, urban road map reading.It is also the indispensable tool of mountain climbing expedition.Basic principle is profit
It is acted on earth magnetic field, northern orientation is indicated by needle, it also can coordinate map to seek the position being in itself.
General compass is the orientation for being used to observation user position, the ground that especially can refer in military field
When marking unknown, correct orientation can be looked for as quickly as possible using the guide of compass and is usually existed with ensuring field work and personal safety
When being measured using compass, orientation searching can be all carried out using compass, but the function of existing most compasses compares
It is few, but it finds to be positioned, measured there are many thing in use, especially when combining map homework, it is necessary to
It is completed by other tools, so that the utensil of carrying increases, and operation also increases difficulty, it is necessary to be subject to this
It improves.
By patent retrieval do not find have with the patent literature of same technique of the present invention, have certain relationship with the present invention
Patent mainly have it is following：
1, Patent No. TW090306065, the patent of invention of entitled " six function compass ", which disclose one
Six function compass of kind, first, being equipped with a thermometer unit, a compass unit, the shell in the top of a shell, bottom surface
Mirror unit, a mirror reflection unit are simultaneously amplified in body front end equipped with a light-emitting device and one, and Hou end is then equipped with a whistle unit.Second is that shell
Top surface correspond to upward relief be presented at light-emitting device setting, and be equipped with a circular pressing piece, and bottom surface be other than convex arc
Line is constituted, and compass unit is in protruding out shape downwards, before shell, dorsal surface center with straight line collocation circular arc, show lines
The aesthetic feeling of collocation, and shell left side is in generally flat, positon of near bottom extends an ear, and right edge is in then ladder turnover shape,
Entirety shows coordination, smooth image.Third, the top of shell, bottom surface are correspondingly arranged because light-emitting device and compass unit,
Visual effect that is symmetrical and coordinating is presented, and one of whistle unit of arranging in pairs or groups is in the inflatable mouth for collecting shape, more shows that the lines flow smoothly
Visual experience.Fourth, the profile of shell is constituted with curve collocation straight line, whole is in generally fusiform, and the one of collocation arc modeling
Light-emitting component, pressing piece, compass unit and rectangular thermometer unit integrally show novel, fashionable vision effect
Fruit.Fifth, can be outward screwed out with respect to what housing forward end portion in the amplification mirror unit of fan-shaped moulding, mirror reflection unit for making.
2, Patent No. CN92107130.2, the patent of invention of entitled " a kind of multi-functional vernier compass ", the patent
A kind of multi-functional vernier compass is disclosed, is mainly characterized by cursor principle being used for orientation master, makes the survey of compass
It reads precision and reaches 1 ° or more；It is additionally arranged magnetic declination regulating mechanism simultaneously, the adjustment of magnetic declination is made to reach convenient and intuitive border
Ground；In addition be provided on compass dianegative between can directly measuring the contours of various different scale topographic maps the gradient and
24 time zone discs of differential conversion when geographic survey ratio combination ruler carries out international.After above scheme, which refers to
Northern needle overcomes existing portable compass and surveys the contradiction for reading precision and volume, while also solving magnetic declination and surveying reading precision
Contradiction
3, Patent No. TW100307064, the patent of invention of entitled " measuring instrument ", which disclose one kind to
Measure the measuring instrument at the azimuth and inclination angle of object.Including shell, compass, dipmeter, adjustment knob, left protecting cover, aiming
Seat, top protecting cover, mirror and thermometer.The shell is rectangular, has preceding viewing hole, Hou viewing hole and protrudes and formed towards left side
The left plate of trepanning.In the compass position what shell and it is directed at the preceding viewing hole, in the dipmeter position what shell and alignment should
Hole watched by Hou, and in the adjustment knob position what trepanning, the left protecting cover hub setting what shell and can covering is set outside the adjustment knob, the aiming
On the right side of seat installation what shell and the jacking block with a what shell top side, the top protecting cover hub setting what aiming seat and can covering is set
On the jacking block, which is mounted on the right side of the shell, which is mounted on the bottom side of the shell.It can thereby allow entire
The appearance of measuring instrument shows succinct and does not lose unique variability.
So although these above-mentioned patents are directed to compass, it was also proposed that some structural improvement, but all do not have
Fundamentally change existing compass structure, all still there is foregoing deficiency, function is less, is gone back when doing many measurements
Other instruments equipment need to be borrowed, or needs just obtain required data by complicated calculating, it is not easy enough, therefore still have
It waits for further being improved.
Invention content
It is less that there are functions it is an object of the invention to being directed to existing compass, cannot do the deficiency of multiple use simultaneously,
It proposes a kind of new compass and its uses operational method, the compass and its can round-the-clock completions calibration ground using operational method
Figure measures orientation, measures in kind or inclination angle on the spot or pitch angle, measures curve mileage between map any two points and straight
Linear distance, measure terrain slope, estimation that map contour indicated on the spot distance, adjustment is horizontal, delimit sector coverage area domain
Or the length dimension of camber line and the general object of measurement.
In order to reach this purpose, the present invention provides a kind of integrated form multipurpose compasses, are folded form compass, packet
Include azimuthal measurement apparatus, apart from assessment device, pitch angle measurement device and mileage measuring device, azimuthal measurement apparatus, distance are estimated
Determine device, pitch angle measurement device and mileage measuring device to be fully integrated into compass shell and case lid, which is characterized in that refer to
Northern needle is liquid damped compass, and using rotation reading formula structure, the dial plate on shell is the double graduation azimuth circles that can be rotated；Referring to
Northern needle is equipped with groove type aiming and Distnace determination device, while speculum is equipped on compass；It is set in the end of engineer's scale
It is useful for delimiting the bundle pin hole of sector region；Below dial plate be equipped with night can luminescent layer, compass generally sealing structure；
It is equipped with grade rod in the side of compass shell.
Further, it is to have a transparent gear wheels disk, transparent gear wheels disk in liquid damped compass that formula structure is read in the rotation
On be carved with magnetic meridian, can adjust magnetic declination by adjusting toothed disc；It is carved in the bottom disk of liquid damped compass true
Meridian and the parallel lines parallel with true meridian, the bottom of liquid damped compass and double graduation azimuth circles above can be with
It rotates together, to measure azimuth；One double graduation azimuth circle that can be rotated of setting on the dial plate seat of shell, double points
It draws azimuth circle to make for transparent material, and double graduation azimuth scales is carved in the back side of panel of double graduation azimuth circles
Value；Wherein, inner ring scale unit is 360 °, 2 ° is divided between groove, outer ring is 60-00 dense bit scales unit, and 20 dense bits are divided between groove；
Or inner ring scale unit is 360 °, 2 ° is divided between groove, outer ring is 64-00 dense bits, and 20 dense bits are divided between groove.
Further, the groove type aims at and Distnace determination device is to cover difference in compass shell and compass
Notch is aimed at equipped with concave groove type sight bead notch and groove type, and is equipped with range determination scale by the foresight notch of compass lid,
It is directed at the groove that compass covers by the groove on compass shell, the two overlapping is made to be aimed at.
Further, the bundle pin hole is located at the end of shell engineer's scale, is round hole, the center of round hole is ratio
The origin of ruler.
Further, the night can luminescent layer be that one Luminous ring is installed in the case where dial plate is through transparent scale disk,
Luminous ring is by the "dead" luminescent materials of accumulation energy type, after light source irradiates, luminescent materials that accumulation energy type is "dead"
Luminous ring can send out light, by clearly being read through transparent scale disk progress night, have orientation quarter in the bottom of transparent configuration part
Spend line.
Further, the dustproof construction is all made of in panel and between shell and between bottom cover and shell
Dustproof construction；Wherein, it is sealed by Luminous ring between panel and shell, fastener is passed through using sealing ring between bottom cover and shell
Sealing forms whole dustproof construction, can effectively stop that particulate matter enters in instrument.
Further, the grade rod is located at the side of compass shell, and the grade rod of compass and 1：50000 ground
The target gradient is labeled using same ratio under shape figure, and the scope of application is 1 ° ~ 30 °.
A kind of operational method using above-mentioned integrated form multipurpose compass carries out target range and its side using compass
The measurement of position after opening compass, makes compass shell and compass lid open in line completely, in compass shell and refers to
It is respectively equipped with concave groove type sight bead notch in northern needle cover, and is equipped with range determination scale by the foresight notch of compass lid, passes through
The groove that covers of groove alignment compass on compass shell both makes overlapping be aimed at, at the same aiming when, pass through
The surveyed target size that you are reflected on range determination scale of observation judges the distance of target；In addition, in northern needle shell
It is provided between compass lid together with compass shell and compass lid connection stud connection, is capable of the anti-of angle of inclination
Mirror is penetrated, angle when also observing aiming by speculum when aiming at residing for compass determines the residing orientation of target.
A kind of operational method using above-mentioned integrated form multipurpose compass carries out delimitation sector coverage area using compass
The angle in domain（Radian）It determines, centered on the bundle pin hole of engineer's scale end on compass, pin hole is pricked with an acupuncture treatment alignment, and
As the center of circle, circular arc is drawn by radius of the random length less than graduated scale, you can delimit sectorial coverage；Fan-shaped cone of coverage from
The difference of compass reading obtains twice, and reading keeps one group of parallel lines of compass bottom parallel with the coordinate ordinate of map every time, and
Directional arrow is with map the North towards unanimously.
A kind of operational method using above-mentioned integrated form multipurpose compass carries out 60-00 dense bits or 64- using compass
The measurement of 00 dense bit and 360 ° of two kinds of nominal values, the map that can be suitably used for a variety of ratios use；Have one in liquid damped compass
Transparent gear wheels disk is carved with magnetic meridian and double-head arrow parallel lines on transparent gear wheels disk, can be adjusted by adjusting transparent gear wheels disk
Magnetic declination；True meridian and one group of parallel lines, the bottom of liquid damped compass are carved in the bottom disk of liquid damped compass
It can be rotated together with double graduation azimuth circles above, to determine azimuth.First compass is placed on ground when adjustment
On figure, compass is placed according to the line of departure place to destination, then rotates double graduation azimuth circles and is adjusted to so that bottom
It is parallel with the coordinate ordinate on map that it is carved with true meridian in disk, at this moment can be carved according to the double graduation orientation of liquid damped compass
Angle shown in scale meaning learns the azimuth that advance；Compass is picked up again, rotates compass so that needle and liquid
The magnetic meridian and double-head arrow parallel lines of transparent gear wheels disk in aperiodic compass are parallel, you can know the azimuth of walking.
The advantage of the invention is that：
The present invention takes hermetically sealed double graduation azimuth circles, intuitive adjusting（Calibration）Magnetic declination, double scale maps are straight
Linear distance measuring scale, the angle for delimiting shooting sector coverage area domain（Radian）With the "dead" noctilucence material of accumulation energy type, make
The function of entire compass has obtained comprehensive promotion, can round-the-clock completions map orientation, measure orientation, measure it is in kind or in fact
Curve mileage and air line distance, measurement map contour institute between the inclination angle on ground or pitch angle, measurement map any two points
The terrain slope of mark estimates distance, adjustment level, delimitation sector coverage area domain or camber line on the spot and measures general object
The functions such as length dimension.
Description of the drawings
Fig. 1 is an embodiment of the present invention general structure schematic diagram；
Fig. 2 is structure of the invention diagrammatic cross-section；
Fig. 3 is double graduation azimuth circle structural schematic diagrams of the invention；
Fig. 4 is double graduation azimuth circle another kind structural schematic diagrams of the invention；
Fig. 5 is present invention aiming and Distnace determination device structural schematic diagram；
Fig. 6 is azimuthal observation schematic diagram of the present invention.
Specific implementation mode
It is next in the following with reference to the drawings and specific embodiments that the present invention is further explained.
Embodiment one
It is folded form compass, packet by attached drawing 1 as can be seen that the present invention relates to a kind of integrated form multipurpose compass
Include azimuthal measurement apparatus, apart from assessment device, pitch angle measurement device and mileage measuring device, azimuthal measurement apparatus, distance are estimated
Determine device, pitch angle measurement device and mileage measuring device to be fully integrated into compass shell 1 and compass lid 2, feature
It is, compass is liquid damped compass, and using rotation reading formula structure, the dial plate 3 on compass shell 1 is the double graduation that can be rotated
Azimuth circle；It is equipped with groove type aiming and Distnace determination device 4 on compass, while being equipped with speculum 5 on compass；
It is equipped with the bundle pin hole 6 for delimiting sector region in the end of engineer's scale；Below dial plate be equipped with night can luminescent layer 7, refer to
Northern needle generally sealing structure；It is equipped with grade rod 8 in the side of compass shell.
It is to have a transparent gear wheels disk 9 in liquid damped compass that formula structure is read in the rotation, is set on the dial plate seat of shell
Set the double graduation azimuth circles 12 that can be rotated；It is carved with magnetic meridian and red double arrowed line 23 on transparent gear wheels disk, leads to
Magnetic declination can be adjusted by crossing adjustment transparent gear wheels disk 9；Be carved in the bottom disk 11 of liquid damped compass 13 true meridian and
One group of dark parallel lines 10, the bottom disk 11 of liquid damped compass can be revolved together with double graduation azimuth circles 12 above
Turn, to determine azimuth；Double graduation azimuth circles 12 make for transparent material, and in the face of double graduation azimuth circles 12
Back is carved with double graduation azimuth scale values；Wherein, inner ring scale unit 19 is 360 °, 2 ° is divided between groove, outer ring 20 is 60-00
Dense bit scale unit is divided into 20 dense bits between groove（As shown in Figure 3）.
The groove type aim at and Distnace determination device be respectively equipped on compass shell 1 and compass lid 2 it is recessed
Slot type foresight notch 14 and aiming notch 21, and it is equipped with range determination scale on 14 side of the concave groove type sight bead notch of compass lid
Both 18, notch 21 is aimed at by the groove type on compass shell and is directed at the concave groove type sight bead notch 14 that compass covers, make
Overlapping is aimed at.
The bundle pin hole 6 is located at the end of shell engineer's scale, is round hole, and the center of round hole is the original of engineer's scale
Point.
The night can luminescent layer be that one Luminous ring 15, Luminous ring 15 are installed in the case where dial plate is through transparent scale disk
By the "dead" luminescent materials of accumulation energy type, after light source irradiates, the Luminous ring for luminescent materials that accumulation energy type is "dead"
Light can be sent out, by clearly being read through transparent scale disk progress night, has azimuth scale line in the bottom of transparent configuration part.
The dustproof construction be all made of in dial plate and between shell and between bottom disk 11 and shell it is dust-proof
Structure；Wherein, 15 are sealed by Luminous ring between dial plate 3 and shell 1, sealing ring 15 is used between bottom disk 11 and shell 1
It is sealed by fastener 17, forms whole dustproof construction, can effectively stop that particulate matter enters in instrument.
The grade rod 8 is located at the side of compass shell, and the grade rod of compass and 1：50000 topographic map subscripts
The gradient be labeled using same ratio, the scope of application be 1 ° ~ 30 °.
Embodiment two
Embodiment two is as the basic structure of embodiment one, and only the sign value of double graduation azimuth circles 12 differs
Sample, wherein 219 scale unit of inner ring are 360 °, 2 ° are divided between groove, outer ring 220 is 64-00 dense bits, and 20 dense bits are divided between groove
（As shown in Figure 4）.
Above-mentioned listed embodiment, only carries out clear, complete description in conjunction with attached drawing to technical scheme of the present invention；It is aobvious
So, described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
It can be seen from above-described embodiment that carrying out target range and its orientation using compass the invention further relates to a kind of
Measurement, after opening compass, so that compass shell and compass lid is opened completely in line, in compass shell and refer to north
It is respectively equipped with concave groove type sight bead notch in needle cover, and is equipped with range determination scale by the foresight notch of compass lid, passes through finger
The groove that covers of groove alignment compass on northern needle shell both makes overlapping be aimed at, at the same aiming when, pass through sight
Examine the distance that the surveyed target size that you are reflected on range determination scale judges target；In addition, in northern needle shell and
It is provided between compass lid together with compass shell and compass lid connection stud connection, is capable of the reflection at angle of inclination
Mirror, angle when also observing aiming by speculum when aiming at residing for compass, determines the residing orientation of target.
A kind of operational method using above-mentioned integrated form multipurpose compass is also related to, delimited using compass
The angle in sector coverage area domain（Radian）It determines, centered on the bundle pin hole of engineer's scale end on compass, with an acupuncture treatment pair
Standard pricks pin hole, and as the center of circle, draws circular arc by radius of the random length less than graduated scale, you can delimit sectorial coverage；
Fan-shaped cone of coverage show that reading makes the coordinate of one group of parallel lines and map of compass bottom every time from the difference of compass reading twice
Ordinate is parallel, and directional arrow is consistent with map the North direction.
A kind of operational method using above-mentioned integrated form multipurpose compass is further related to, it is close to carry out 60-00 using compass
The measurement of position or 64-00 dense bits and 360 ° of two kinds of nominal values, the map that can be adapted for a variety of ratios use；In fluid damping sieve
There is a transparent gear wheels disk in disk, magnetic meridian and double-head arrow parallel lines are carved on transparent gear wheels disk（It is red）, by adjusting transparent
Toothed disc can adjust magnetic declination；True meridian and one group of parallel lines are carved in the bottom disk of liquid damped compass（It is black
Color）, the bottom of liquid damped compass can rotate together with double graduation azimuth circles above, to determine azimuth.It adjusts
First compass is placed on map when whole, places compass according to the line of departure place to destination, then rotate double graduation sides
Position dial 12 is adjusted to so that being carved with true meridian 10 in the disk of bottom（Black）With the coordinate ordinate on map（Longitude）It is flat
At this moment row can learn the orientation that advance according to the angle shown in the double graduation azimuth circle meanings of liquid damped compass
Angle；Pick up compass again, rotate compass so that the magnetic meridian of needle 22 and the transparent gear wheels disk in liquid damped compass and
Double-head arrow parallel lines（It is red）23 is parallel, you can knows the azimuth of walking.
The advantage of the invention is that：
The present invention takes hermetically sealed double graduation azimuth circles, intuitive adjusting（Calibration）Magnetic declination, double scale maps are straight
Linear distance measuring scale, the angle for delimiting shooting sector coverage area domain（Radian）With noctilucence material so that entire compass
Function has obtained comprehensive promotion, and the round-the-clock completion map orientation of energy measures orientation, measures in kind or inclination angle on the spot or bow
The elevation angle, measure map any two points between curve mileage and air line distance, measure map contour indicated terrain slope,
Estimate the work(such as distance, adjustment level, delimitation sector coverage area domain or camber line on the spot and the length dimension for measuring general object
Energy.
Claims (5)
1. it is folded form compass a kind of integrated form multipurpose compass, including azimuthal measurement apparatus, Distnace determination device, bows
Elevation angle measuring device and mileage measuring device, azimuthal measurement apparatus, Distnace determination device, pitch angle measurement device and mileage measure
Device is fully integrated into compass shell and compass lid, which is characterized in that compass includes liquid damped compass, using rotation
Reading formula structure, it is to have a transparent gear wheels disk in liquid damped compass that formula structure is read in the rotation, is set on the dial plate seat of shell
It is the double graduation azimuth circles that can be rotated, double graduation azimuth scales to have double graduation azimuth circles, double graduation azimuth circles
Disk makes for transparent material, and is carved with double graduation azimuth scale values in the back side of panel of double graduation azimuth circles；Wherein, inner ring
Scale unit is 360 °, 2 ° is divided between groove, outer ring is 60-00 dense bit scales unit, and 20 dense bits are divided between groove；Or inner ring graduation
Value is 360 °, 2 ° is divided between groove, outer ring is 64-00 dense bits, and 20 dense bits are divided between groove；The magneton noon is carved on transparent gear wheels disk
Line and red double arrowed line parallel lines, magnetic declination can be adjusted by adjusting transparent gear wheels disk；In the bottom of liquid damped compass
True meridian and one group of dark parallel lines are carved in disk, the bottom disk of liquid damped compass is carved with double graduation orientation above
Scale rotates together；It is equipped with groove type aiming and Distnace determination device on compass, while being equipped with speculum on compass；
Below dial plate be equipped with night can luminescent layer, compass shell be sealing structure；It is equipped with the gradient in the side of compass shell
Ruler；The groove type aims at and Distnace determination device is to be equipped with groove type on compass shell to aim at notch, in compass
It covers and is equipped with concave groove type sight bead notch, and be equipped with range determination scale by the concave groove type sight bead notch of compass lid, pass through finger
Groove type on northern needle shell aims at the concave groove type sight bead notch that notch alignment compass covers, and the two overlapping is made to be aimed at；
It is equipped with engineer's scale on compass, the bundle pin hole for delimiting sector region is equipped in the end of engineer's scale.
2. integrated form multipurpose compass as described in claim 1, which is characterized in that the bundle pin hole is located at shell ratio
The end of ruler, is round hole, and the center of round hole is the origin of engineer's scale.
3. integrated form multipurpose compass as described in claim 1, it is characterised in that：The night can luminescent layer be in table
One Luminous ring is installed, Luminous ring is irradiated by the "dead" luminescent materials of accumulation energy type through light source under the transparent scale disk of disk
Afterwards, the Luminous ring of the "dead" luminescent materials of accumulation energy type can send out light, clear by carrying out night through transparent scale disk
Reading, has azimuth scale line in the bottom of transparent configuration part.
4. integrated form multipurpose compass as described in claim 1, it is characterised in that：The grade rod is located at compass shell
The side of body, and the grade rod of compass and 1：The target gradient is labeled using same ratio under 50000 topographic maps, is applicable in model
Enclose is 1 ° ~ 30 °.
5. a kind of operational method of integrated form multipurpose compass as described in claim 1 carries out target range using compass
And its measurement in orientation, after opening compass, compass shell and compass lid is made to be opened completely in line, in compass shell
Body is equipped with groove type and aims at notch, is covered equipped with concave groove type sight bead notch in compass, and in the groove type of compass lid standard
It is equipped with range determination scale by star notch, the groove that notch alignment compass covers is aimed at by the groove type on compass shell
Formula foresight notch both makes overlapping be aimed at, at the same aiming when, by observing surveyed target on range determination scale
The size reflected judges the distance of target；In addition, being provided between compass shell and compass lid and compass
Shell connects stud connection together with compass lid, is capable of the speculum at angle of inclination, is also seen by speculum when aiming at
Angle when observing aiming residing for compass determines the residing orientation of target；It carries out delimiting sector coverage area domain simultaneously using compass
Determining angle pricks pin hole, and as circle centered on the bundle pin hole of engineer's scale end on compass with an acupuncture treatment alignment
The heart draws circular arc, you can delimit sectorial coverage by radius of the random length less than graduated scale；Fan-shaped cone of coverage is from compass twice
The difference of reading show that reading keeps one group of parallel lines of compass bottom parallel with the coordinate ordinate of map every time, and directional arrow
With map the North towards unanimously；The measurement of 60-00 dense bits or 64-00 dense bits and 360 ° of two kinds of nominal values is carried out using compass,
The map that can be suitably used for a variety of ratios uses；There is a transparent gear wheels disk in liquid damped compass, is set on the dial plate seat of shell
It is the double graduation azimuth circles that can be rotated, double graduation azimuth scales to have double graduation azimuth circles, double graduation azimuth circles
Disk makes for transparent material, and is carved with double graduation azimuth scale values in the back side of panel of double graduation azimuth circles；Transparent gear wheels
It is carved with magnetic meridian and red double arrowed line parallel lines on disk, magnetic declination can be adjusted by adjusting transparent gear wheels disk；In liquid
Be carved with true meridian and one group of dark parallel lines in the bottom disk of aperiodic compass, the bottom disk of liquid damped compass with above
Double graduation azimuth circles rotate together, to determine azimuth；First compass is placed on map when adjustment, according to going out
The line of hair ground to destination places compass, then rotates double graduation azimuth circles and be adjusted to so that being carved in the disk of bottom true
Meridian is parallel with the coordinate ordinate on map, at this moment according to the double graduation azimuth circle meanings of liquid damped compass shown in angle
Degree learns the azimuth that advance；Pick up compass again, rotate compass so that needle with it is transparent in liquid damped compass
The magnetic meridian and double-head arrow parallel lines of toothed disc are parallel, you can know the azimuth of walking.
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| CN201510426649.4A CN104976993B (en) | 2015-07-21 | 2015-07-21 | A kind of integrated form multipurpose compass and measurement method |
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| CN201510426649.4A CN104976993B (en) | 2015-07-21 | 2015-07-21 | A kind of integrated form multipurpose compass and measurement method |
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| CN104976993B true CN104976993B (en) | 2018-08-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105424015A (en) * | 2015-11-05 | 2016-03-23 | 中良科技集团有限公司 | Compass capable of measuring direction accurately |
| CN105674969A (en) * | 2016-04-01 | 2016-06-15 | 杨溢 | Vernier compass |
| CN106017445A (en) * | 2016-06-01 | 2016-10-12 | 谢博 | Novel portable compass type north arrow used for exploration |
| CN106123880A (en) * | 2016-08-02 | 2016-11-16 | 中良科技集团有限公司 | A kind of compass adapting to hypobaric |
| CN110507980A (en) * | 2019-08-16 | 2019-11-29 | 华中农业大学 | A kind of indicator device of orienteering |
| TWI727403B (en) * | 2019-08-22 | 2021-05-11 | 船慶機械工業股份有限公司 | North needle device |
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