Kua compass: piav qhia, kev qhia
Kua compass: piav qhia, kev qhia
Anonim

Nyob rau hauv lub sijhawm ntawm GPS thiab GLONASS, cov neeg ncig tebchaws qee zaum hnov qab txog qhov muaj nyob ntawm daim ntawv qhia thiab lub compass. Tab sis koj yuav tsum nkag siab tias ntau hom kev txais yuav tsis tuaj yeem hloov pauv tau, vim tias txhua lub cuab yeej xav tau lub roj teeb thiab lub teeb liab satellite ua haujlwm. Txhawm rau txiav txim siab cov ntsiab lus tseem ceeb thiab nkag siab txog qhov chaw tam sim no, daim duab qhia chaw saum toj kawg nkaus thiab lub compass yog cov cuab yeej tseem ceeb hauv hav zoov. Mus taug kev ntev nrog tsis muaj dab tsi tab sis cov cuab yeej siv hluav taws xob siab siv hluav taws xob tsis yog lub tswv yim zoo tshaj plaws, yog li tsis txhob txo cov "qub" navigation devices.

kua compass
kua compass

Cov kua dej ntsuas yuav pab koj nrhiav cov khoom zoo, txiav txim siab koj qhov chaw thiab taw qhia koj tus kheej ntawm daim ntawv qhia. Tau kawg, koj tuaj yeem taug kev ib ntus hauv roob moj sab qhua thiab tsis txhob saib nws, tab sis yog tias koj tig txoj kev tsis ncaj ncees lawm los yog raug ntes hauv cua daj cua dub, lub compass, nrog rau daim ntawv qhia, yuav yog yam tseem ceeb tshaj plaws hauv koj lub hnab ev ntawv..

Kev muaj peev xwm taug kev hauv av thiab txiav txim siab kom raug cov ntsiab lus tseem ceeb tshaj plaws rau cov neeg ncig tebchaws, thiab yog tias koj txoj kev nyob deb ntawm txoj kev, ces tsis muaj nws koj tsuas yogkoj yuav poob. Yog tias koj tsis ntseeg koj tus kheej, nws yog qhov zoo dua coj koj mus ncig, yog tias tsis yog phau ntawv qhia, tsawg kawg yog ib tus neeg paub zoo uas yuav qhia koj thiab qhia koj qhov kev xav tsis zoo ntawm kev qhia.

Cia peb sim seb yuav xaiv lub compass li cas, cia peb xaiv hom thiab cov khoom siv ntawm cov khoom siv no. Cov kev xav ntawm cov kws tshaj lij hauv daim teb no thiab kev tshuaj xyuas ntawm cov kws qhia kev cob qhia kev cob qhia yuav raug suav nrog.

Nyob ntawm kua compasss

Tsis zoo li cov qauv digital, cov khoom siv ua kua muaj ib rab koob uas muaj hlau nplaum thiab ua haujlwm nyob rau hauv tandem nrog lub ntiaj teb magnetic teb. Cov ntaub ntawv yog tag nrho cov kua nyob rau hauv thiaj li yuav muab lub xub stability thiab zoo nyeem ntawv raug. Xav txog cov hom phiaj tseem ceeb.

Basic Models

Rau cov neeg pib taug kev thiab cov neeg taug txuj kev nyuaj niaj hnub, qhov no yog qhov pheej yig thiab kev xaiv zoo. Yog tias koj lo rau txoj kev thiab tsis nce mus rau hauv lub thicket, ces qhov yooj yim neeg mus ncig tebchaws compass yuav yog ib tug zoo mus txawv tebchaws pab.

cov ntsiab lus cardinal
cov ntsiab lus cardinal

Cov khoom siv no muaj cov txheej txheem tseem ceeb uas cov neeg tuaj ncig tebchaws xav tau, tab sis tsis muaj qee cov chips ntxiv xws li iav thiab kev hloov kho deflection. Ib qho piv txwv zoo ntawm cov compasses yog tus qauv Suunto A10 - ib qho khoom me me uas ntse thiab pheej yig.

Multifunction devices

Multifunctional kua compass yog tus qauv nrog cov txheej txheem ntxiv ntawm cov yam ntxwv ntxiv. Lawv pab tau zoo heev rau navigation hauv av thiab muaj qhov tseeb ntxiv. Nruab nrog daim iav, iav tsom iav,timers, thiab lwm yam.

kua compass yuav siv li cas
kua compass yuav siv li cas

Tus qauv ntau yam ntawm cov khoom siv no yog qhov txawv ntawm tus nqi siab, nws ua rau kev txiav txim siab yuav lawv tsuas yog tias koj tsis tu ncua taug kev hauv roob moj sab qhua thiab txav deb ntawm txoj kev. Ib qho ntawm cov qauv nthuav tshaj plaws ntawm hom no yog Silva Ranger CL kua compass.

Devices-accessories

Cov tsiaj no feem ntau pom ntawm cov saw tseem ceeb, ntawm lub dab teg lossis ua me me puag ncig yam tsis muaj kev txhawb nqa tshwj xeeb. Lawv taw tes rau sab qaum teb sib nqus heev, tab sis lawv feem ntau yog siv rau kev tau txais cov ntaub ntawv ceev thiab kev lom zem.

compass neeg ncig teb chaw
compass neeg ncig teb chaw

Nws tsis tuaj yeem siv lub tshuab ua kua ntawm hom no rau kev taw qhia loj, yog li nws tsis pom zoo kom tawm hauv cov ntsiab lus nrog cov cuab yeej zoo li no. Qhov ntau ntawm cov khoom siv zoo li no yog qhov dav heev, tab sis ntawm feem ntau ib qho tuaj yeem ua tiav ib qho kev vam meej thiab ntse sib sau ua ke REI Therm-o series. Phau ntawv qhia txog cov kua compass rau cov qauv no qhia meej tias tsuas yog siv cov khoom siv no kom deb ntawm cov neeg tuaj ncig tebchaws uasi yog qhov txaus ntshai thiab tsis lees txais.

Cov khoom seem ntawm lub cuab yeej

Cov neeg taug kev siv "kev taw qhia" lossis "tom qab" thaum txiav txim siab ua haujlwm hauv av siv lub tshuab ntsuas. "Kev taw qhia" yog ib qho kev ntsuas ntawm koj txoj hauj lwm, thaum "navigation" yog tus txheej txheem nws tus kheej uas txiav txim siab koj qhov chaw kawg thiab txoj kev mus rau qhov ntawd.

yuav ua li cas xaiv lub compass
yuav ua li cas xaiv lub compass

Yuav kom txhua yam ua haujlwm zoo liNws yog qhov tsim nyog, txhua tus qauv compass yuav tsum muaj cov khoom piav qhia hauv qab no. Yog tias koj lub cuab yeej tsis muaj ib qho ntawm cov khoom no, ces koj yuav tsum tsis txhob mus ncig nrog nws ntev.

Magnetic needle

Qhov no yog ib qho pivot pivot, feem ntau yog hom pob zeb diamond nrog rau qhov kawg liab. Tus taw tes taw qhia rau qhov muaj zog tshaj plaws hlau nplaum (sab qaum teb ncej). Tiag sab qaum teb, qhov twg tag nrho cov kab ntawm longitude converge, yog me ntsis txawv ntawm magnetic sab qaum teb. Lub tom kawg yog nyob rau hauv ib feem ntawm Arctic ze cov chains ntawm Canadian Islands, uas yog, qhov txawv yog li ntawm 1600 kilometers.

Yog li ntawd, thaum ua haujlwm nrog daim ntawv qhia hauv av, koj yuav tsum tau coj mus rau hauv tus account thiab them nyiaj rau qhov sib txawv ntawm cov hlau nplaum thiab sab qaum teb tiag tiag. Nyob rau hauv central Russia, daim duab no tsis tseem ceeb, tab sis nyob rau hauv cov kev sib tw neeg mus ncig tebchaws kev sib tw nws yuav tsum tau coj mus rau hauv tus account yog tias koj siv ib tug uas tsis yog-digital compass (kua). Yuav siv cov cuab yeej li cas, nws tau hais hauv phau ntawv qhia, muaj koj tuaj yeem pom cov cim qhia ua yuam kev.

kua

Lub xov tooj lossis rooj plaub nws tus kheej, qhov xub nyob ntawm qhov chaw, muaj cov kua dej poob siab. Qhov no tsis yog-khov muaj pes tsawg leeg tso cai rau koj kom qeeb me ntsis ntawm qhov inertia ntawm xub thiab nres nws ntawm qhov xav tau ntsuas sai dua li cov khoom siv zoo sib xws uas muaj huab cua.

Nyob rau lub caij ntuj no hnyav lossis qhov siab siab, cov kua pib poob qis hauv qhov kub thiab txias, ntim cov ntaub ntawv nrog cov npuas me me. Tsis tas yuav ntshai ntawm qhov tshwm sim, vim qhov no tsis cuam tshuam qhov tseeb ntawm kev nyeem ntawv txhua. Yog tias koj rov qab mus rau qhov zoo duaHnub Wednesday, cov npuas yuav tsuas ploj tom qab ib pliag, zoo li lawv tsis nyob ntawd.

Azimuthal nplhaib

Qhov no yog ib qho kev hloov bezel ntawm cov ntaub ntawv sib txuas uas cim nrog qib ntawm 0 txog 360, raws li. Cov kws tshaj lij qhia xaiv cov cuab yeej uas cov kauj ruam ntawm lub nplhaib azimuth yuav tsis pub ntau tshaj ob units.

koob koob
koob koob

Lub bezel nyob ib puag ncig ntawm ntug sab nrauv ntawm lub compass thiab lub suab me me, qhov yooj yim dua yog ua haujlwm nrog cov kabmob lossis cov kabmob, uas yog, cov kev taw qhia koj xav ua raws (lub kaum sab xis ntawm sab qaum teb ncej).

substrate nrog tus kav

Lub substrate muaj pob tshab puag ncig, qhov chaw tshwj xeeb muab tso rau hauv cov tshuaj ntsiav. Cov cuab yeej ntse thiab kim kim yog nruab nrog cov kav dej zoo hauv centimeters los yog ntiv tes hauv daim ntawv ntawm kev kos rau ntawm lub substrate.

kua compass phau ntawv qhia
kua compass phau ntawv qhia

Ob qho ntawm cov cwj pwm no yog qhov tseem ceeb thaum ntsuas qhov deb ntawm daim duab qhia chaw. Thaum muas, nco ntsoov them sai sai rau qhov teev thiab coj cov cuab yeej nrog koj li niaj zaus faib, uas yog, ib kauj ruam thiab tus pas ntsuas (inch / centimeter). Daim duab qhia chaw saum toj kawg nkaus muaj qhov ntsuas ntawm 1 txog 24000 (rau kev tshawb fawb geological) thiab 1 txog 25000 (tus neeg ncig tebchaws).

Nyob zoo ib tsoom phooj ywg sawv daws

kab North-sab qab teb, meridian parallels thiab ib tug taag orienting xub nyob rau hauv qab ntawm lub ntaus ntawv. Qhov kawg ntawm qhov tsis sib nqus ntawm xub yog cim liab, zoo li cov kab meridian. Txhawm rau txhawm rau txheeb xyuas lub compass nrog daim ntawv qhia saum toj kawg nkaus, nws yog ib qho tsim nyog yuav tsum tau ua raws cov lus qhia rau sab qaum teb thiab sab qab teb.koj ntaus ntawv.

Index marker

Cov kab ntsuas lossis cov cim taw qhia yog nyob rau hauv qab ntawm cov tshuaj ntsiav tshuaj. Nrog rau qhov no koj tuaj yeem txiav txim siab lossis teeb tsa koj qhov kev nyeem tam sim no. Nws yog ntshaw tias tus cim muaj xim meej, thiab lub dot nws tus kheej yog engraved.

Puas GPS thiab GLONASS receivers hloov cov kua compass? Tej zaum tsis yog. Lawv yog cov cuab yeej ntxiv. Lub compass muaj ib qho txiaj ntsig tsis txaus ntseeg uas txhua tus txais xov tooj cua tsis muaj - nws qhia cov kev taw qhia ntawm magnetic sab qaum teb.

Tau kawg, txhua lub GPS mus ncig ua si yog nruab nrog lub tshuab hluav taws xob, tab sis zoo li txhua yam khoom siv hluav taws xob, lawv xav tau lub zog, thiab lub roj teeb tuaj yeem khiav tawm, tawm hauv koj yam tsis muaj kev taw qhia. Txawm li cas los xij, muaj riam phom nrog txawm tias qhov kev txhim kho tshiab kawg rau cov neeg taug kev, tsis txhob hnov qab muab ib lub compass zoo tib yam rau hauv koj lub hnab tshos: nws yuav siv qhov chaw tsawg kawg nkaus, thiab yuav muaj txiaj ntsig ntau tshaj plaws los ntawm nws, yog tias muaj dab tsi.

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