Voltage controlled device, the sampling resistor and diode, thyristor as switching elements, a transformer to reduce the diode half wave rectifier, filter capacitor C, relay as the actuator to realize its function. The device can be matched with any type of household voltage regulator. The utility model can be used for stand-alone production, and can also be combined with a voltage regulator to produce a single machine. As a production machine, grid relay regulator according to the model, can choose 1-3 groups of switching contacts to reduce costs. The device can automatically open and close, effectively solve the problem of no-load voltage regulator, which is convenient for users, but also saves the no-load power consumption voltage regulator, can save more than 5%, and can improve the reliability of the regulator and prolong its service life, and has a high practical value.
【技术实现步骤摘要】
稳压器自控装置。稳压器自控装置主要用于家用电器的稳压器。目前市场销售的家用电器稳压器,都需要手动关启,对断续工作的家用电器,稳压器都存在空载现象,如电视机、冰箱、洗衣机等。本技术在于提供一种自控装置,能使稳压器有负载时自动并网工作,空载时,稳压器自动脱网关闭,达到稳压器自动关启。本技术主要由二极管D1-D4构成取样部分,由电阻R和双向可控硅3CTS构成开关部分,由变压器T和整流二极管D5及电容C构成直流电源部分,由继电器J作为执行元件等组成本自控装置线路。本自控装置可单机生产,也可同稳压器合为一机生产,在合为一机生产时,根据稳压器实际需要,可选用1-3组转换触点的继电器J,以降低成本。直流电源部分还可采用全波整流或桥式整流。空载时,输出零线与输入零线经继电器直接相通,输出火线经D1-D4及继电器J同输入火线相通,整个回路中无电流,D1-D4上产生不了电压降,双向可控硅3CTS得不到触发电压,自控装置不工作,不耗电。接通负载,D1-D4将产生1.4V左右交流电压降,经R触发双向可控硅3CTS导通,在变压器次级得到16V左右交流电压,经D5整流,再经电容C滤波后,获得16V左右直流电压,继电器J导通,经触点转换后稳压器并网工作,利用电容C上储存的电量,保证自控装置瞬间换电时,继电器J可靠并网。本技术的优点和效果在于1、用户不需考虑关启稳压器,能自动并网。2、稳压器不存在空载,节省了空载时的自耗功率,比一般稳压器节电5%以上。3、空载时,自控装置自身不耗电。4、稳压器不处于连续工作状态,可提高稳压器的可靠性,并能延长其寿命。下面通过附图对本技术作进一步的详 ...
【技术保护点】
稳压器的自控装置,其特征在于自控装置采用二极管D↓〔1〕—D↓〔4〕作为取样元件,用电阻R作为触发元件,双向可控硅3CTS作为开关元件,用变压器T降压,用直流继电器J作为执行元件,用整流二极管D↓〔5〕半波整流、电容C滤波的直流电源。
【技术特征摘要】
还没有人留言评论。发表了对其他浏览者有用的留言会获得科技券。