Lub tshuab muag khoom (VEM), tseem hu ua lub tshuab muag khoom tsis siv neeg, yog lub tshuab uas tau txais cov khoom xa tawm raws li cov nyiaj tau los. Nws yog ib qho khoom siv ntau hauv kev lag luam automation thiab ib daim ntawv tshiab ntawm cov khw muag khoom.
Lub tshuab muag khoom tsis txwv los ntawm lub sijhawm lossis qhov chaw, txuag cov neeg ua haujlwm thiab txhawb kev lag luam. Lawv cov txheej txheem kev khiav hauj lwm suav nrog kev lees paub cov txiaj ntsig, tso cai rau cov neeg siv khoom xaiv cov khoom, txheeb xyuas cov nyiaj tso, thiab xa cov khoom thaum muaj Tshuag. Txoj kev them nyiaj feem ntau suav nrog IC daim npav them, them nyiaj mobile, thiab them nyiaj ntsuab. Cov hom hauv Suav teb muaj xws li lub tshuab muag dej haus, lub tshuab muag khoom noj, ntau- lub hom phiaj vending machine, thiab cov cav tov tshuaj pleev ib ce. Lub tshuab muag khoom tuaj yeem taug qab rov qab mus rau 215 BC nrog lub vending tshuab rau dej dawb huv hauv tebchaws Iziv. Xyoo 1883, Everett thiab nws tus khub ua lag luam John Sandman tau pib muag cov ntawv xa ntawv siv cov khoom siv hlau cam khwb cia hauv London. Lawv tuaj txog hauv Tebchaws Meskas hauv xyoo 1888. Xyoo 1904, Nyiv thawj lub tshuab muag khoom, ib lub "stamp thiab postcard vending machine," tshwm sim. Xyoo 1925, Tebchaws Meskas tau tsim cov tshuab muag muag rau muag luam yeeb. Lawv tau vam meej hauv Nyiv thiab Europe thaum xyoo 1970s. Xyoo 1994, lawv tau nkag mus hauv Suav lag luam. Xyoo 1998, Tianjin Nankai University's Gode Electronics Co., Ltd. tau ua tiav lub tshuab muag khoom muaj peev xwm paub txog RMB banknotes. Nyob rau xyoo 2006, US vending machines pib txais kev them nyiaj credit card. Los ntawm 2021, tus naj npawb ntawm cov vending machine hauv Suav teb tau mus txog 924,500. Nws tau kwv yees tias tus lej yuav ncav cuag 2,706,100 los ntawm 2026.
Vending machines yog cov khoom siv thev naus laus zis tshaj plaws ntawm "cov khw muag khoom tshiab" era. Nrog kev hloov kho thev naus laus zis thiab kev ua kom zoo ntawm cov saw hlau, cov vending machines yuav txhim kho mus rau qhov loj - kev ua haujlwm loj thiab ua kom zoo dua qub, nqa cov khoom lag luam tshiab - kev yuav khoom tshiab rau tib neeg lub neej. Txawm li cas los xij, cov ntaub ntawv ntiag tug ntawm tus kheej sau los ntawm cov vending machines tuaj yeem ua rau muaj kev puas tsuaj yog tias cov ntaub ntawv txuas nrog lawv cov backend muaj qhov tsis zoo, ua rau muaj kev pheej hmoo ntawm cov ntaub ntawv xau.
