我(Wo)司(Si)从(Cong)2018年(Nian)开(Kai)始(Shi)参(Can)与(Yu)电(Dian)工(Gong)电(Dian)子(Zi)产(Chan)品(Pin)（(?)GB/T2423.）(?)国(Guo)家(Jia)标(Biao)准(Zhun)的(De)修(Xiu)订(Ding)工(Gong)作(Zuo)，(?)至(Zhi)今(Jin)已(Yi)经(Jing)参(Can)与(Yu)修(Xiu)订(Ding)GB/T2423.51-2020；(?)GB/T2423.33-2021；(?)GB/T2423.18-2021；(?)GB/T2423.27-2020；(?)GB/T2423.38-2021；(?)GB/T2423.24-2022 ；(?)GB/T2423.54-2022；(?)GB/T2423.16-2022 ICE60068-2-102018（(?)1）(?)等(Deng)国(Guo)家(Jia)标(Biao)准(Zhun)。(?)

环(Huan)境(Jing)试(Shi)验(Yan)箱(Xiang)的(De)工(Gong)作(Zuo)原(Yuan)理(Li)主(Zhu)要(Yao)依(Yi)赖(Lai)于(Yu)其(Qi)内(Nei)部(Bu)的(De)制(Zhi)冷(Leng)系(Xi)统(Tong)、(?)加(Jia)热(Re)系(Xi)统(Tong)、(?)控(Kong)制(Zhi)系(Xi)统(Tong)、(?)湿(Shi)度(Du)系(Xi)统(Tong)和(He)传(Chuan)感(Gan)器(Qi)系(Xi)统(Tong)。(?)具(Ju)体(Ti)如(Ru)下(Xia)：(?)

1. 制(Zhi)冷(Leng)系(Xi)统(Tong)。(?)环(Huan)境(Jing)试(Shi)验(Yan)箱(Xiang)的(De)制(Zhi)冷(Leng)系(Xi)统(Tong)通(Tong)常(Chang)采(Cai)用(Yong)机(Ji)械(Xie)制(Zhi)冷(Leng)和(He)辅(Fu)助(Zhu)液(Ye)氮(Dan)制(Zhi)冷(Leng)的(De)方(Fang)式(Shi)，(?)机(Ji)械(Xie)制(Zhi)冷(Leng)基(Ji)于(Yu)蒸(Zheng)汽(Qi)压(Ya)缩(Suo)式(Shi)制(Zhi)冷(Leng)，(?)涉(She)及(Ji)压(Ya)缩(Suo)机(Ji)、(?)冷(Leng)凝(Ning)器(Qi)、(?)节(Jie)流(Liu)机(Ji)构(Gou)和(He)蒸(Zheng)发(Fa)器(Qi)，(?)为(Wei)了(Liao)达(Da)到(Dao)更(Geng)低(Di)的(De)温(Wen)度(Du)，(?)一(Yi)些(Xie)试(Shi)验(Yan)箱(Xiang)采(Cai)用(Yong)复(Fu)叠(Die)式(Shi)制(Zhi)冷(Leng)，(?)即(Ji)高(Gao)温(Wen)部(Bu)分(Fen)和(He)低(Di)温(Wen)部(Bu)分(Fen)的(De)制(Zhi)冷(Leng)系(Xi)统(Tong)，(?)高(Gao)温(Wen)部(Bu)分(Fen)使(Shi)用(Yong)中(Zhong)温(Wen)制(Zhi)冷(Leng)剂(Ji)，(?)而(?)低(Di)温(Wen)部(Bu)分(Fen)使(Shi)用(Yong)低(Di)温(Wen)制(Zhi)冷(Leng)剂(Ji)，(?)以(Yi)实(Shi)现(Xian)所(Suo)需(Xu)的(De)温(Wen)度(Du)范(Fan)围(Wei)。(?)

2. 加(Jia)热(Re)系(Xi)统(Tong)。(?)加(Jia)热(Re)系(Xi)统(Tong)相(Xiang)对(Dui)简(Jian)单(Dan)，(?)主(Zhu)要(Yao)由(You)大(Da)功(Gong)率(Lu)电(Dian)阻(Zu)丝(Si)组(Zu)成(Cheng)，(?)底(Di)板(Ban)也(Ye)设(She)有(You)加(Jia)热(Re)器(Qi)，(?)以(Yi)便(Bian)在(Zai)短(Duan)时(Shi)间(Jian)内(Nei)达(Da)到(Dao)所(Suo)需(Xu)的(De)升(Sheng)温(Wen)速(Su)率(Lu)。(?)

3. 控(Kong)制(Zhi)系(Xi)统(Tong)。(?)控(Kong)制(Zhi)系(Xi)统(Tong)是(Shi)环(Huan)境(Jing)试(Shi)验(Yan)箱(Xiang)的(De)核(He)心(Xin)，(?)主(Zhu)要(Yao)采(Cai)用(Yong)PID控(Kong)制(Zhi)，(?)有(You)时(Shi)结(Jie)合(He)模(Mo)糊(Hu)控(Kong)制(Zhi)，(?)确(Que)保(Bao)温(Wen)度(Du)和(He)湿(Shi)度(Du)的(De)准(Zhun)确(Que)性(Xing)和(He)稳(Wen)定(Ding)性(Xing)。(?)

4. 湿(Shi)度(Du)系(Xi)统(Tong)。(?)加(Jia)湿(Shi)通(Tong)常(Chang)采(Cai)用(Yong)蒸(Zheng)汽(Qi)加(Jia)湿(Shi)法(Fa)，(?)而(?)除(Chu)湿(Shi)可(Ke)以(Yi)通(Tong)过(Guo)机(Ji)械(Xie)制(Zhi)冷(Leng)除(Chu)湿(Shi)和(He)干(Gan)燥(Zao)除(Chu)湿(Shi)两(Liang)种(Zhong)方(Fang)式(Shi)实(Shi)现(Xian)。(?)

5. 传(Chuan)感(Gan)器(Qi)系(Xi)统(Tong)。(?)主(Zhu)要(Yao)包(Bao)括(Kuo)温(Wen)度(Du)和(He)湿(Shi)度(Du)传(Chuan)感(Gan)器(Qi)，(?)用(Yong)于(Yu)监(Jian)测(Ce)和(He)控(Kong)制(Zhi)系(Xi)统(Tong)中(Zhong)的(De)温(Wen)度(Du)和(He)湿(Shi)度(Du)。(?)

      这(Zhe)些(Xie)系(Xi)统(Tong)共(Gong)同(Tong)工(Gong)作(Zuo)，(?)模(Mo)拟(Ni)自(Zi)然(Ran)气(Qi)候(Hou)条(Tiao)件(Jian)下(Xia)的(De)不(Bu)同(Tong)环(Huan)境(Jing)，(?)如(Ru)高(Gao)温(Wen)、(?)低(Di)温(Wen)、(?)高(Gao)湿(Shi)和(He)低(Di)湿(Shi)等(Deng)，(?)用(Yong)于(Yu)测(Ce)试(Shi)产(Chan)品(Pin)在(Zai)不(Bu)同(Tong)环(Huan)境(Jing)下(Xia)的(De)性(Xing)能(Neng)和(He)可(Ke)靠(Kao)性(Xing)。(?)