Ihe ntinye aka na-emetụta ihe mmetụta analọg na ụzọ mgbochi nnyonye anya

Analog sensọ na ọtụtụ-eji na arọ ụlọ ọrụ, ìhè ụlọ ọrụ, textile, agriculture, mmepụta na ewu, ndụ ndụ kwa ụbọchị mmụta na sayensị nnyocha, na ndị ọzọ ubi.Ihe mmetụta Analog na-ezipụ akara ngosi na-aga n'ihu, yana voltaji, ugbu a, nguzogide wdg, nha nha nha.Dịka ọmụmaatụ, ihe mmetụta okpomọkụ, ihe mmetụta gas, ihe mmetụta nrụgide na ihe ndị ọzọ bụ ihe mmetụta analọgụ nkịtị.

ihe nchọpụta ọwa mmiri-DSC_9195-1

 

Ọnụ ọgụgụ ihe mmetụta analog ga-ezutekwa nnyonye anya mgbe ị na-ebufe akara, ọkachasị n'ihi ihe ndị a:

1.Electrostatic butere nnyonye anya

Induction electrostatic bụ n'ihi ịdị adị nke parasitic capacitance n'etiti sekit abụọ ma ọ bụ akụkụ nke alaka ụlọ ọrụ, nke mere na a na-ebufe ụgwọ n'otu alaka na alaka ọzọ site na ike parasitic, mgbe ụfọdụ a na-akpọkwa capacitive coupling.

2, nnyonye anya induction electromagnetic

Mgbe enwere inductance n'etiti sekit abụọ, mgbanwe dị ugbu a na otu sekit na-ejikọta ya na nke ọzọ site na oghere magnetik, ihe a maara dị ka induction electromagnetic.Ọnọdụ a na-ezutekarị n'iji ihe mmetụta, ọ dị mkpa ka ị kwụọ ụgwọ pụrụ iche.

3, flu ntapu kwesịrị itinye aka

N'ihi na ogbenye mkpuchi nke akụrụngwa bracket, ọnụ post, e biri ebi circuit osisi, esịtidem dielectric ma ọ bụ shei nke capacitor n'ime electronic circuit, karịsịa mmụba nke iru mmiri na ngwa gburugburu ebe obibi nke ihe mmetụta, mkpuchi mkpuchi nke insulator na-ebelata, na mgbe ahụ ntapu nke ugbu a ga-abawanye, si otú a na-akpata nnyonye anya.Mmetụta a dị njọ karịsịa mgbe mgbawa mmiri na-asọba na ọkwa ntinye nke sekit nha.

4, nnyonye anya ugboro redio

Ọ kachasị ọgbaghara kpatara mmalite na nkwụsị nke nnukwu akụrụngwa ike yana nnyonye anya nkwekọ dị elu kpatara.

5.Ihe nnyonye anya ndị ọzọ

Ọ na-ezo aka na ebe ọrụ na-adịghị mma nke usoro ahụ, dị ka ájá, uzuzu, iru mmiri dị elu, okpomọkụ dị elu, ihe kemịkal na gburugburu ebe obibi ndị ọzọ siri ike.Na gburugburu ebe obibi siri ike, ọ ga-emetụta nke ọma ọrụ nke ihe mmetụta, dị ka a na-egbochi nyocha site na uzuzu, uzuzu na particulate, nke ga-emetụta nzizi nke nha.N'ebe dị elu nke iru mmiri, ikuku mmiri nwere ike ịbanye n'ime ime ihe mmetụta ma kpatara mmebi.
Họrọ aụlọ nyocha igwe anaghị agba nchara, nke siri ike, okpomọkụ dị elu na corrosion na-eguzogide, na uzuzu na mmiri na-eguzogide ọgwụ iji zere mmebi nke ime ihe mmetụta.Ọ bụ ezie na shei nyocha ahụ enweghị mmiri, ọ gaghị emetụta ngwa ngwa nzaghachi ihe mmetụta, na ikuku gas na ọsọ mgbanwe dị ngwa ngwa, iji nweta mmetụta nke nzaghachi ngwa ngwa.

Ụlọ nyocha okpomọkụ na iru mmiri -DSC_5836

Site na mkparịta ụka a dị n'elu, anyị maara na e nwere ọtụtụ nnyonye anya, ma ndị a bụ naanị mkpokọta, kpọmkwem na ọnọdụ, nwere ike ịbụ n'ihi ihe dị iche iche nke nnyonye anya.Mana nke a anaghị emetụta nyocha anyị na teknụzụ mgbochi mgbochi ihe mmetụta analọg.

Analog sensor anti-jamming technology nwere nke a:

6.Sheilding Technology

A na-eji ihe ọla mee ihe.A na-ekechi sekit nke chọrọ nchebe na ya, nke nwere ike igbochi nnyonye anya eletriki ma ọ bụ magnetik.A na-akpọ usoro a mkpuchi.Enwere ike kewaa ihe nchekwa n'ime ihe mkpuchi electrostatic, mkpuchi elektrọnịkị na mkpuchi magnetik dị ala.

(1) Electrostatic Shieding

Were ọla kọpa ma ọ bụ aluminom na ọla ndị ọzọ na-eduzi dị ka ihe, mee ihe mkpuchi ígwè mechiri emechi, ma jikọọ na waya ala, tinye uru nke sekit ahụ ka a na-echebe na R, nke mere na nnyonye anya mpụga eletrik adịghị emetụta sekit dị n'ime, na n'aka nke ọzọ, ọkụ eletrik na-emepụta site na sekit dị n'ime agaghị emetụta sekit mpụga.A na-akpọ usoro a ihe mkpuchi electrostatic.

(2) Ọta eletrọnịkị

Maka nnukwu nnyonye anya magnetik ugboro ugboro, a na-eji ụkpụrụ nke eddy ugbu a na-eme ka nnyonye anya ugboro ugboro dị elu na-emepụta ihe dị ugbu a na metal a na-echebe, nke na-eri ike nke nnyonye anya magnetik, na eddy ugbu a magnetik kagbuo elu. ugboro ugboro nnyonye anya ndọta, nke mere na a na-echebe sekit na-echebe site mmetụta nke elu ugboro electromagnetic field.A na-akpọ usoro nchebe a electromagnetic.

(3) Ọta Igwe Ọdụdọ dị ala

Ọ bụrụ na ọ bụ oghere magnetik dị ala, ihe omume eddy dị ugbu a abụghị ihe doro anya n'oge a, na mmetụta mgbochi nnyonye anya adịghị mma naanị site na iji usoro dị n'elu.Ya mere, a ga-eji ihe ndọta dị elu mee ihe dị ka oyi akwa mkpuchi, ka ọ wee belata nnyonye anya obere oge ndọta n'ime oghere mkpuchi magnetik nwere obere nguzogide magnetik.A na-echekwa sekit echedoro site na ndabichi njikọ njikọ magnetik dị ala.A na-akpọkarị usoro nchebe a dị ka mkpuchi magnetik dị ala.Shei ígwè nke ihe nchọpụta ihe mmetụta na-arụ ọrụ dị ka ọta magnetik dị ala.Ọ bụrụ na etinyere ya n'ala ọzọ, ọ na-arụkwa ọrụ nke mkpuchi electrostatic na mkpuchi electromagnetic.

7.Grounding technology

Ọ bụ otu n'ime usoro dị irè iji gbochie nnyonye anya yana nkwa dị mkpa nke teknụzụ mkpuchi.Ntọ ala ziri ezi nwere ike ịkwụsị nnyonye anya mpụga nke ọma, melite ntụkwasị obi nke sistemụ nnwale, ma belata ihe ndabichi nke sistemu n'onwe ya mepụtara.Ebumnuche nke ịkụ ala bụ ụzọ abụọ: nchekwa na nkwụsị nnyonye anya.Ya mere, a na-ekewa ala n'ime ala nchebe, mkpuchi mkpuchi na mgbama mgbaama.Maka ebumnuche nke nchekwa, casing na chassis nke ngwaọrụ nha ihe mmetụta kwesịrị ịdakwasị.A na-ekewa ala mgbaàmà n'ime ala mgbaàmà analog na ala mgbaama dijitalụ, mgbaàmà analog na-adịghị ike n'ozuzu ya, ya mere ala chọrọ dị elu;akara ngosi dijitalụ na-adịkarị ike, yabụ ihe ala chọrọ nwere ike ịdị ala.Ọnọdụ nchọpụta ihe mmetụta dị iche iche nwekwara ihe dị iche iche a chọrọ n'ụzọ nke ala, na a ghaghị ịhọrọ usoro nhazi ala kwesịrị ekwesị.Ụzọ ntọ ala ndị a na-ahụkarị gụnyere ntọ ala otu isi na ntọ ala ọtụtụ.

(1) Ndabere otu isi

Na sekit ugboro dị ala, a na-atụkarị aro ka iji otu ntọ ala, nke nwere eriri radial grounding na akara ụgbọ ala.Mgbasa redio pụtara na sekit ọ bụla na-arụ ọrụ na sekit na-ejikọta ya na ebe ntụaka efu site na waya.Ịgba ala Busbar pụtara na a na-eji ndị nduzi dị elu nwere mpaghara mpaghara gafee dị ka ụgbọ ala ala, nke jikọtara ya na ebe efu efu.Enwere ike jikọọ ala nke ngọngọ ọ bụla na-arụ ọrụ na sekit na ụgbọ ala dị nso.Ihe mmetụta na ngwaọrụ nha bụ usoro nchọpụta zuru oke, mana ha nwere ike ịdị anya.

(2) Ndabere ọtụtụ ebe

A na-atụkarị aro sekit dị elu ka ọ were ntọ ala ọtụtụ.High ugboro, ọbụna a obere oge nke ala ga-ibu impedance voltaji dobe, na mmetụta nke ekesa capacitance, agaghị ekwe omume onye-ebe earthing, Ya mere, ike-eji ewepụghị ụdị grounding usoro, ya bụ multipoint earthing ụzọ, na-eji ezi conductive na efu efu. nwere ike ntụaka ebe na ụgbọelu ahu, elu ugboro sekit jikọọ na nso conductive ụgbọelu na ahu.N'ihi na nnukwu mgbochi ugboro ugboro nke ahụ na-eduzi ụgbọ elu dị ntakịrị, otu ikike ahụ na ebe ọ bụla na-ekwe nkwa n'ezie, a na-agbakwunye capacitor na-agafe agafe iji belata ọdịda voltaji.Ya mere, ọnọdụ a kwesịrị ịnakwere multi-point grounding mode.

8.Nzacha teknụzụ

Filter bụ otu n'ime ụzọ dị mma iji gbochie nnyonye anya serial mode AC.Sekit nzacha a na-ahụkarị na sekit nchọpụta ihe mmetụta gụnyere RC filter, AC ike filter na ezigbo nzacha ike dị ugbu a.
(1) RC nyo: mgbe isi iyi mgbaàmà bụ ihe mmetụta na mgbanwe mgbaàmà dị ngwa dị ka thermocouple na strain gage, ihe nzacha RC na-agafe agafe na obere olu na ọnụ ala dị ala ga-enwe mmetụta mgbochi ka mma na nnyonye anya usoro.Ekwesiri ighota na agbanyeghị, ihe nzacha RC na-ebelata nnyonye anya usoro n'efu nke ọsọ nzaghachi sistemu.
(2) AC ike nzacha: ike netwọk na-amịkọrọ a dịgasị iche iche nke elu na obere ugboro mkpọtụ, nke a na-ejikarị ekpochapụ mkpọtụ agwakọta na ike ọkọnọ LC filter.

(3) Ihe nzacha ọkụ DC: ọtụtụ sekit na-ekerịta ike ọkụ DC.Iji zere nnyonye anya nke ọtụtụ sekit na-akpata site na nguzogide dị n'ime nke ọkụ ọkụ, RC ma ọ bụ LC decoupling filter kwesịrị ịgbakwunye na ọkụ DC nke sekit ọ bụla iji kpochapụ mkpọtụ obere oge.

9.Photoelectric njikọ teknụzụ
Isi uru dị na njikọ fotoelectric bụ na ọ nwere ike igbochi ụda kachasị elu na ụdị ọ bụla nke nnyonye anya mkpọtụ, nke mere na ụda mgbaàmà na ụda na usoro mgbasa ozi na-eme ka ọ dịkwuo mma.nnyonye anya mkpọtụ, ọ bụ ezie na e nwere nnukwu voltaji nso, ma ike dị nnọọ obere, nwere ike na-etolite na-adịghị ike ugbu a, na fotoelectric coupler ntinye akụkụ nke ìhè emitting diode na-arụ ọrụ n'okpuru ọnọdụ ugbu a, n'ozuzu ndu electric ugbu a nke 10 ma ~ 15 ma, ya mere ọ bụrụgodị na enwere nnukwu nnyonye anya, nnyonye anya agaghị enwe ike ịnye oke ugbu a na ekpochapụ.
Hụ ebe a, ekwenyere m na anyị nwere nghọta ụfọdụ nke ihe nnyonye anya ihe mmetụta analog na ụzọ mgbochi nnyonye anya, mgbe ị na-eji ihe mmetụta analog, ma ọ bụrụ na ihe omume nke nnyonye anya, dị ka ọdịnaya dị n'elu n'otu n'otu nyocha, dabere na ọnọdụ ahụ n'ezie. mee usoro, ekwesịghị nhazi kpuru ìsì, iji zere imebi ihe mmetụta.


Oge nzipu: Jan-25-2021