(?) (?)WBGT指(Zhi)数(Shu)(wetbulbglobetemperatureindex):WBGT指(Zhi)湿(Shi)球(Qiu)黑(Hei)球(Qiu)温(Wen)度(Du),(?)是(Shi)综(Zong)合(He)评(Ping)价(Jia)人(Ren)体(Ti)接(Jie)触(Chu)作(Zuo)业(Ye)环(Huan)境(Jing)热(Re)负(Fu)荷(He)的(De)一(Yi)个(Ge)基(Ji)本(Ben)参(Can)量(Liang),(?)单(Dan)位(Wei)为(Wei)度(Du)。(?)用(Yong)以(Yi)评(Ping)价(Jia)人(Ren)体(Ti)的(De)平(Ping)均(Jun)热(Re)负(Fu)荷(He)。(?)它(Ta)采(Cai)用(Yong)自(Zi)然(Ran)湿(Shi)球(Qiu)温(Wen)度(Du)(Tnw)和(He)黑(Hei)球(Qiu)温(Wen)度(Du)(Tg),(?)露(Lu)天(Tian)情(Qing)况(Kuang)下(Xia)加(Jia)测(Ce)空(Kong)气(Qi)干(Gan)球(Qiu)温(Wen)度(Du)(Ta)。(?)
(?) (?)
WBGT热(Re)指(Zhi)数(Shu)仪(Yi)是(Shi)专(Zhuan)为(Wei)剂(Ji)量(Liang)测(Ce)定(Ding)、(?)声(Sheng)级(Ji)测(Ce)量(Liang)、(?)热(Re)指(Zhi)数(Shu)评(Ping)估(Gu)和(He)环(Huan)境(Jing)监(Jian)测(Ce)而(?)设(She)计(Ji)的(De)。(?)热(Re)指(Zhi)数(Shu)检(Jian)测(Ce)仪(Yi)可(Ke)以(Yi)快(Kuai)速(Su),(?)准(Zhun)确(Que)地(Di)评(Ping)估(Gu)个(Ge)体(Ti)感(Gan)受(Shou)到(Dao)热(Re)应(Ying)力(Li)的(De)可(Ke)能(Neng)性(Xing)。(?)它(Ta)将(Jiang)WBGT指(Zhi)标(Biao)值(Zhi)与(Yu)相(Xiang)对(Dui)湿(Shi)度(Du)测(Ce)量(Liang)值(Zhi)结(Jie)合(He)起(Qi)来(Lai)计(Ji)算(Suan)热(Re)指(Zhi)数(Shu)。(?)WBGT指(Zhi)数(Shu)测(Ce)定(Ding)按(An)下(Xia)式(Shi)计(Ji)算(Suan):
(?) (?)室(Shi)内(Nei)外(Wai)无(Wu)太(Tai)阳(Yang)辐(Fu)射(She):WBGT=0.7Tnw+0.3Tg
(?) (?)室(Shi)外(Wai)有(You)太(Tai)阳(Yang)辐(Fu)射(She):WBGT=0.7Tnw+0.2Tg+0.1Ta
(?) (?)热(Re)负(Fu)荷(He):指(Zhi)人(Ren)体(Ti)在(Zai)热(Re)环(Huan)境(Jing)中(Zhong)作(Zuo)业(Ye)时(Shi)的(De)受(Shou)热(Re)程(Cheng)度(Du),(?)以(Yi)WBGT指(Zhi)数(Shu)表(Biao)示(Shi),(?)取(Qu)决(Jue)于(Yu)体(Ti)力(Li)劳(Lao)动(Dong)的(De)产(Chan)热(Re)量(Liang)和(He)环(Huan)境(Jing)与(Yu)人(Ren)体(Ti)间(Jian)热(Re)交(Jiao)换(Huan)的(De)特(Te)性(Xing)。(?)
(?) (?)采(Cai)用(Yong)数(Shu)字(Zi)温(Wen)度(Du)敏(Min)感(Gan)元(Yuan)件(Jian)和(He)大(Da)屏(Ping)幕(Mu)320×240点(Dian)阵(Zhen)的(De)液(Ye)晶(Jing)显(Xian)示(Shi)屏(Ping)。(?)直(Zhi)接(Jie)输(Shu)出(Chu)数(Shu)字(Zi)温(Wen)度(Du)信(Xin)号(Hao),(?)使(Shi)头(Tou)部(Bu)、(?)腹(Fu)部(Bu)和(He)踝(Huai)的(De)干(Gan)球(Qiu)、(?)湿(Shi)球(Qiu)、(?)黑(Hei)球(Qiu)温(Wen)度(Du)理(Li)在(Zai)显(Xian)示(Shi)屏(Ping)上(Shang)行(Xing)显(Xian)示(Shi),(?)同(Tong)时(Shi)也(Ye)显(Xian)示(Shi)此(Ci)时(Shi)的(De)WBGT指(Zhi)数(Shu)值(Zhi)。(?)主(Zhu)机(Ji)背(Bei)光(Guang)灯(Deng)无(Wu)按(An)键(Jian)操(Cao)作(Zuo)4分(Fen)钟(Zhong)后(Hou)自(Zi)动(Dong)关(Guan)闭(Bi),(?)此(Ci)时(Shi)按(An)任(Ren)意(Yi)键(Jian)恢(Hui)复(Fu)背(Bei)光(Guang)。(?)仪(Yi)器(Qi)主(Zhu)机(Ji),(?)面(Mian)板(Ban)上(Shang)除(Chu)液(Ye)晶(Jing)显(Xian)示(Shi)屏(Ping)外(Wai),(?)主(Zhu)机(Ji)前(Qian)面(Mian)板(Ban)下(Xia)方(Fang)从(Cong)左(Zuo)到(Dao)右(You)依(Yi)次(Ci)为(Wei):(?)电(Dian)源(Yuan)开(Kai)关(Guan)、(?)电(Dian)源(Yuan)指(Zhi)示(Shi)灯(Deng)、(?)欠(Qian)压(Ya)指(Zhi)数(Shu)灯(Deng),(?)还(Huan)包(Bao)括(Kuo)“退(Tui)出(Chu)”、(?)“上(Shang)”、(?)“下(Xia)”、(?)“左(Zuo)”、(?)“右(You)”、(?)“确(Que)认(Ren)”共(Gong)六(Liu)个(Ge)按(An)键(Jian)。(?)
(?) (?)WBGT热(Re)指(Zhi)数(Shu)仪(Yi)可(Ke)同(Tong)时(Shi)测(Ce)试(Shi)辐(Fu)射(She)温(Wen)度(Du)、(?)空(Kong)气(Qi)温(Wen)度(Du)、(?)自(Zi)然(Ran)湿(Shi)球(Qiu)温(Wen)度(Du);(?)各(Ge)通(Tong)道(Dao)同(Tong)步(Bu)采(Cai)集(Ji)、(?)自(Zi)动(Dong)记(Ji)录(Lu),实(Shi)时(Shi)显(Xian)示(Shi)WBGT指(Zhi)数(Shu)值(Zhi);(?)主(Zhu)机(Ji)具(Ju)有(You)自(Zi)动(Dong)休(Xiu)眠(Mian)功(Gong)能(Neng),(?)大(Da)的(De)降(Jiang)低(Di)了(Liao)功(Gong)耗(Hao),(?)提(Ti)高(Gao)了(Liao)使(Shi)用(Yong)时(Shi)间(Jian)。(?)它(Ta)是(Shi)能(Neng)够(Gou)实(Shi)时(Shi)图(Tu)像(Xiang)显(Xian)示(Shi)的(De)一(Yi)款(Kuan)热(Re)应(Ying)力(Li)测(Ce)试(Shi)仪(Yi),(?)同(Tong)时(Shi)还(Huan)具(Ju)有(You)可(Ke)听(Ting)/可(Ke)视(Shi)报(Bao)警(Jing)功(Gong)能(Neng),(?)这(Zhe)样(Yang)可(Ke)以(Yi)允(Yun)许(Xu)操(Cao)作(Zuo)员(Yuan)在(Zai)需(Xu)要(Yao)时(Shi)迅(Xun)速(Su)作(Zuo)出(Chu)决(Jue)定(Ding)。(?)