压(ya)(ya)力(li)(li)(li)(li)传感(gan)器(qi)在(zai)二次供(gong)(gong)水(shui)(shui)设备(bei)中(zhong)的(de)(de)(de)作用(yong)压(ya)(ya)力(li)(li)(li)(li)传感(gan)器(qi)在(zai)无负压(ya)(ya)供(gong)(gong)水(shui)(shui)设备(bei)、变频恒压(ya)(ya)供(gong)(gong)水(shui)(shui)设备(bei)中(zhong)都是(shi)主(zhu)要的(de)(de)(de)配件之一， 由(you)原来的(de)(de)(de)远(yuan)传压(ya)(ya)力(li)(li)(li)(li)表升级为压(ya)(ya)力(li)(li)(li)(li)传感(gan)器(qi)，之前的(de)(de)(de)远(yuan)传压(ya)(ya)力(li)(li)(li)(li)表不(bu)但使整个(ge)供(gong)(gong)水(shui)(shui)系统供(gong)(gong)水(shui)(shui)不(bu)稳定(ding)，还经常需(xu)要更换，从而(er)增(zeng)加售(shou)后(hou)服(fu)务(wu)成(cheng)(cheng)本(ben)。而(er)采(cai)用(yong)压(ya)(ya)力(li)(li)(li)(li)传感(gan)器(qi)不(bu)但能解决供(gong)(gong)水(shui)(shui)不(bu)稳定(ding)的(de)(de)(de)问题，还不(bu)易损坏。同时(shi)，也减(jian)少了售(shou)后(hou)成(cheng)(cheng)本(ben)。

　　其实(shi)，压(ya)力传(chuan)感(gan)器(qi)(qi)可根(gen)据输出信(xin)号及体内是否(fou)装入放大电路(lu)分(fen)为：压(ya)力传(chuan)感(gan)器(qi)(qi)和压(ya)力变送器(qi)(qi)。同时(shi)，还(hai)能根(gen)据其是否(fou)能测(ce)量腐蚀性介质及适应(ying)恶劣环境(jing)可分(fen)为：通用式和隔离式。是按信(xin)号的不同分(fen)为电流型压(ya)力传(chuan)感(gan)器(qi)(qi)：一般(ban)是4到20mA；还(hai)有电压(ya)信(xin)号型压(ya)力传(chuan)感(gan)器(qi)(qi)：0到12V。

　　压(ya)(ya)(ya)力(li)(li)传感器在(zai)无负压(ya)(ya)(ya)供(gong)(gong)水(shui)(shui)设备(bei)、变频恒压(ya)(ya)(ya)供(gong)(gong)水(shui)(shui)设备(bei)中都是主要的配件之(zhi)一，由原来(lai)的远传压(ya)(ya)(ya)力(li)(li)表升(sheng)级为(wei)压(ya)(ya)(ya)力(li)(li)传感器，之(zhi)前(qian)的远传压(ya)(ya)(ya)力(li)(li)表不但(dan)使(shi)整个供(gong)(gong)水(shui)(shui)系统供(gong)(gong)水(shui)(shui)不稳定，还经常需要更换，从而增加售(shou)后(hou)服务成本(ben)。而采用(yong)压(ya)(ya)(ya)力(li)(li)传感器不但(dan)能解(jie)决供(gong)(gong)水(shui)(shui)不稳定的问题，还不易(yi)损坏。同时，也(ye)减(jian)少了(le)售(shou)后(hou)成本(ben)。

　　其(qi)实，压(ya)(ya)(ya)力传(chuan)(chuan)感器可(ke)根据输出信(xin)(xin)(xin)号及体内是否装入放大电(dian)路分(fen)为(wei)：压(ya)(ya)(ya)力传(chuan)(chuan)感器和(he)压(ya)(ya)(ya)力变送器。同时，还能根据其(qi)是否能测(ce)量(liang)腐蚀性介质及适应恶劣环境可(ke)分(fen)为(wei)：通(tong)用式和(he)隔离式。是按信(xin)(xin)(xin)号的(de)不同分(fen)为(wei)电(dian)流(liu)型压(ya)(ya)(ya)力传(chuan)(chuan)感器：一(yi)般是4到(dao)20mA；还有电(dian)压(ya)(ya)(ya)信(xin)(xin)(xin)号型压(ya)(ya)(ya)力传(chuan)(chuan)感器：0到(dao)12V。

　　目前(qian)，我国为了防(fang)止对城市(shi)居民用水(shui)(shui)产(chan)(chan)生(sheng)(sheng)(sheng)影(ying)响，不允许将生(sheng)(sheng)(sheng)活、生(sheng)(sheng)(sheng)产(chan)(chan)水(shui)(shui)泵直接安装在市(shi)政管(guan)网(wang)上。为解决供水(shui)(shui)设(she)备既(ji)可(ke)串接在市(shi)政供水(shui)(shui)管(guan)网(wang)上又不产(chan)(chan)生(sheng)(sheng)(sheng)负压，更(geng)不影(ying)响其(qi)它用户用水(shui)(shui)，需要(yao)在水(shui)(shui)泵进(jin)口与市(shi)政管(guan)网(wang)之间增(zeng)设(she)流量(liang)控(kong)制器、分(fen)(fen)腔式(shi)稳压补偿罐(guan)等，流量(liang)控(kong)制器时刻监视市(shi)政管(guan)网(wang)压力。在保(bao)证市(shi)政管(guan)网(wang)不产(chan)(chan)生(sheng)(sheng)(sheng)负压的同时，还可(ke)充分(fen)(fen)利用市(shi)政管(guan)网(wang)原有压力。

　　因此，就需要通过安装在(zai)供(gong)水(shui)管网上的高灵敏度压力开关或压力传感器等，来检(jian)测供(gong)水(shui)管网在(zai)用(yong)水(shui)量(liang)变(bian)化(hua)时的压力变(bian)化(hua)，不断的向(xiang)微电脑传输变(bian)化(hua)的信号(hao)。根据不同运行(xing)状(zhuang)态，动态地控(kong)制补偿量(liang)，从(cong)而实现动态压力平衡，保证供(gong)水(shui)管网压力恒(heng)定，以满足(zu)用(yong)户用(yong)水(shui)需要。