日立挖机后面8个继电器(日立挖机后面8个继电器怎么接)

1. 日立挖机后面8个继电器怎么接

一般来说，挖掘机的继电器在保险盒附近的位置。

2. 日立挖机后面8个继电器怎么接线图

继电器没有输出的原因是线路故障。检查plc的主电源开关有没有拨到Run上，观察PLC的指示灯，ERR和ALM是否红色，Run灯亮否。

然后，检查输入端的接线对不对，或保护开关开启屏蔽了输出。

3. 日立挖机后面8个继电器怎么接的

都有。有源接法就是需要一个有24V的开关信号，无缘接法就是一个单单开关信号，因为在消防联动设备厂家（风机、电梯、水泵等）产品不一样，所以需要不一样的接法，其实说简单点，就是需不需要24V中间继电器的问题。

有源触点：电梯厂商可直接将触点作为他中间继电器的线圈接线，无需提供电源。

无源触点：电梯厂商还需要有供该中间继电器工作的电源。一般都采用中间继电器隔离的，不太会直接把提供的信号（无源触点）接入电梯控制板的。简而言之有源就是启动后有电压输出，无源就是无电压输出只是一个开关。

4. 日立挖机发电机线怎么接

DIN/SAE/EN意思是SAE美国机动车工程师学会标准，DIN德国标准，EN为欧洲容标准。

RC意思是储备电量。以分钟为单位，在27℃的情况下，电池以25A的额定电流输出，且电压保持在10.5V以上所持续的时间。

CCA意思是冷起动电流值。在规定的某一低温状态下(通常规定在0℉或–17.8℃)蓄电池在电压降至极限馈电电压前，连续30秒释放出的电流量。

5. 日立挖机后面8个继电器怎么接线

检查安全回路继电器两端电压，电压正常而不吸合，则安全回路继电器线圈烧坏断路。如果吸合，则安全回路继电器触点接触不良，控制系统接收不到安全装置正常的信号。

6. 日立挖机发电机接线图详解

推荐科勒或者日立、松下。

汽油发电机通常由定子、转子、端盖及轴承等部件构成。发动机是将化学能转化为机械能的机器，它的转化过程实际上就是工作循环的过程，简单来说就是是通过燃烧气缸内的燃料，产生动能，驱动发动机气缸内的活塞往复的运动，由此带动连在活塞上的连杆和与连杆相连的曲柄，围绕曲轴中心作往复的圆周运动，而输出动力的。

7. 日立挖机继电器盒排列

中联挖机保险盒通常位于驾驶座椅的后方。

1、由于挖掘机上的零部件和电子设备很多，而且每个设备都会装有保险丝，因此为了便于日后的维修，在设计之初，设计师便把汽车保险丝都集中设计在一个地方，而这个地方被称为保险盒，保险盒通常位于驾驶座椅的后方。

2、保险丝的日常养护

由于保险丝是放在保险盒当中的，一般情况下不用特意养护，但需要注意的是，保护保险丝的保险盒盖丢失的话，一定不要让保险丝暴露在外，以免发生保险丝短路。

另外在覆盖保险丝时，也不能随意用其它材料替代，因为保险盒的材质是充分考虑了绝缘和耐高温的，随意用其它材料覆盖保险丝会有发生火灾的危险。

3、保险丝更换注意事项

上面说到出现电器故障可以先检查是不是保险丝的问题，如果真的是保险丝坏了我们可以自己动手更换，但更换的时候要注意如下几个问题：

1.安培数值要正确

更换保险丝时，一定要选择正确安培数的保险丝，不要随意加大保险丝的电流规格，更不能用铁丝代替。

不能用铁丝替代很好理解，那为什么不能用大电流规格的保险呢？当然也是出于保护用电器的考虑，用电器在1A的电流条件下可以平稳工作，而在大于1A的情况下用电器可能就会不正常工作，因此更换保险丝需要遵循“就低不就高”的方法。

一些进口挖掘机的保险丝所指代的零件常常用英文缩写表示，在维修起来非常麻烦，这里我们列举日立液压挖掘机ZX系列的保险丝用途及安培值。

8. 日立挖机继电器在挖掘机什么位置

多种原因

可能发电机坏了。检查发电机是否损坏了，再是二极管是否完好(单向性)，主继电器烧了。

一般是点火开关（钥匙开关）关闭后不能切断电源，检修或更换点火开关就行了。

如果是关闭钥匙后发动机熄火，但起动电机还不停的转，是起动继电器的触点粘住了，敲一敲断电器或断开电瓶火线，然后再修理或更换继电器即可。

9. 日立挖机启动继电器在哪

展开全部

比率制动特性差动保护简单说就是使差动电流定值随制动电流的增大而成某一比率的提高。使制动电流在不平衡电流较大的外部故障时有制动作用。而在内部故障时，制动作用最小。比率制动特性的差动保护作为双圈及三圈变压器的主保护具有动作可靠，实时数据采集、计算、比较、判断等较为方便简单等优点。

制动作用通俗的讲就是使保护不起启,阻止保护起启,比率制动就是要在外部故障时使保护不启动,所用的方法就是用采集来的不平衡电流来抬高保护的启动电流.这样是为防止外部故障时差动误跳,使停电范扩大.

随着外部短路电流的增加，差动继电器制动量增加，同时动作电流也增加，保证发生外部短路时，差动保护不动作，而发生内部故障时，灵敏动作

10. 日立挖机330继电器说明书

用12VDC的电源接到继电器的线圈端。再测试继电器另外两端是否是连通的,如果连通说明这个继电器是好的。

至于变压器的阻值问题,要根据空调设计时的所需要的整流前的电压来判定变压器的线圈多少圈、硅钢片的规格和选型,是否需要退火工艺等等。

11. 日立70挖机喇叭继电器在哪里

空调是现代生活中不可缺少的一部分，它提高了人们的生活水平，使人们在适宜的温度下生活。但是做为家用电器，长时间的使用，也难免会出现故障，那么出现故障该怎么办呢？本文就教教大家怎么处理。

空调基础知识

核心部件

空调器的制冷（制热）系统由压缩机、冷凝器、毛细管（或电子膨胀阀）、蒸发器四大部分组成。分体式空调器中，这4大部件分为室内机和室外机两部分。室外机有压缩机、冷凝器、毛细管（或电子膨胀阀）3大制冷（制热）部件，室内机只有1只蒸发器，它们之间用管路、截止阀来连接，从而成为一个完整的制冷（制热)系统。

压缩机

将气体压缩，将低压气体变成高压气体，常见的有涡旋式压缩机、转子式压缩机，为制冷剂提供从高温环境吸热、向高温环境放热的能量，帮助制冷剂循环顺利进行。

冷凝器

将制冷剂由气体冷凝变成液体，放出热量。

节流装置

将高压液体变成低温低压液体，常见的有毛细管和膨胀阀，制冷剂压力越低，沸点越低，节流装置的作用就是将制冷剂的压力降低到制冷剂对应的沸点比制冷时室内温度（需要从室内吸热），制热时的室外温度低（需要从室外吸热），保证制冷剂能从空气吸热，正常蒸发。

蒸发器

将制冷剂由液体蒸发变成气体，吸收热量。

循环原理：

制冷和制热原理

制冷

空调制冷时，制冷剂先经过压缩机变成高压气体；然后经过室外机换热器（冷凝器）冷凝放热变成高压液体；然后高压液体经过节流装置，会变成低温低压的液体；然后经过室内机换热器（蒸发器）蒸发吸热变成低温低压的气体，最后再回到压缩机。

制热

空调制热时，制冷剂先经过压缩机变成高压气体，然后会先经过室内机换热器（冷凝器）冷凝放热变成高压液体；然后高压液体经过节流装置，会变成低温低压的液体；然后经过室外机换热器（蒸发器）蒸发吸热变成低温低压的气体，最后再回到压缩机。

注意制冷制热时，制冷剂流向是不同的，制冷时先流过室外机换热器，此时室外机是冷凝器，室内机是蒸发器；制热时，制冷剂先流过室内机换热器，此时室内机是冷凝器，室外机是蒸发器。制冷制热不同状态时，空调会通过四通阀改变制冷剂的流向。上图红色方框内为四通阀。如果没有四通阀，空调只能实现单一制冷或者制热，不能冷热切换。

检修思路

空调检修遵循由室内到室外再到中间，先易后难。要想电路故障检修具体和简单化，就要在检修时把室内与室外电路、主电路与控制电路故障区别开来。

控制与主电路故障

1、对于压缩机频繁开停故障，可通过测量空调器负载电压与压缩机运行电流来判断故障部位。如压缩机运转电流过大，说明故障在主电路；如压缩机运转电流正常，说明故障在控制电路。

2、对于风机运转压缩机不启动故障，可通过观察室外交流接触器是否吸合来判定故障部位。如接触器吸合而压缩机不工作，说明故障在主电路；如接触器不吸合，说明故障在控制电路。对于变频空调压机不启动，可通过检测功率模块来排除故障。

3、测量室内与室外保护元件是否正常，来判断故障区域。如测量保护元件正常，说明故障在控制电路；如测量保护元件损坏，说明故障在主电路。

4、对于压缩机不运转故障，还可通过强行按动接触器，观察压缩机是否能正常制冷。如按下接触器后压缩机能运转且制冷，说明故障在控制电路；如按下接触器压缩机过流或不启动，说明故障在主电路。(变频压缩机不能采用此法)

5、对于压缩机频繁启动故障，如摸压缩机外壳温度过高，多为主电路或压缩机本身故障。

6、对于变频空调来说，可以通过空调器的故障指示灯来进行判断，如功率模块、通讯故障等。

室内与室外电路故障

1、有输入与输出信号线的空调器，可以使用短接方法来进行判断。如采用上述方法后空调器能恢复正常，说明故障在室外机；如故障没有消除，说明故障在室内机。

2、测量室外机接线端上有无交流或直流电压判断故障部位。如测量室外接线端子上有交流或直流电压，说明故障在室外机；如测量无交流或直流电压，说明故障在室内电路。

3、对功率较大的柜式空调器可通过观察室外接触器是否吸合，来判断故障部位。如接触器吸合，说明故障在室外机；如没有吸合，说明故障在室内机。

4、对于有故障显示的空调器可通过观察室内与室外故障代码来区分故障部位。

5、对于采用串行通讯的空调器电路，可用示波器测量信号线的波形来判断故障部位。

6、对于热泵型空调器不除霜或除霜频繁，则多为室外主控电路板故障。

7、有条件也可通过更换电路板来区分室外机故障。

空调故障检修方法

1、插上电源插头，室内机电源指示灯亮，如无电源指示，说明您家的电源有故障或指示灯损坏。（下图左起第一个为电源指示灯）

2、有电源指示，用遥控器按操作键，信号发射不出去。首先，检查遥控器内的电池是否有电，然后检查电池的正负极片触点有无氧化腐蚀，若上述正常，检查遥控器内部电路板是否损坏，可将遥控器靠近一台调幅收音机，按遥控器键进行干扰试验，听收音机是否发出有“嘟嘟”声，有声说明遥控器无故障。

3、当遥控器确定无故障时，信号还是发射不出去时，可用室内机强制运行开关验证，强制运行时，室内贯流风机和室外压缩机若运转正常，制冷效果良好，则证明空调器室内机红外接收部位有故障。

4、当你使用的遥控器装上新电池使用不到一个月就不显示时，可将遥控器的后盖打开，用95%的酒精清洗一下电路板和按键触点面导电胶片，干燥后，即可排除漏电故障，遥控器液晶显示缺字也可采用这种方法。

5、变频空调器中的温度传感器起着非常重要的作用，室内机有空气温度传感器和蒸发器温度传感器;室外机有空气温度传感器，高压管路传感器和低压管路传感器，有的传感器在长期使用后发生阻值变化，使控制特性改变，(如室内机空气温度传感器阻值变大后，会引起变频器输出频率偏低)，为了保证控制精度，及其相同的工作特性，确定传感器故障后，应换用原型号的产品。

6、在空调器出现故障时，如果鉴别整个控制系统是否有故障，可将室内机控制器上的开关放在“试运行”挡上，此时微处理器会向变频器发出一个频率为50Hz的信号。若此时空调器能运转，并保持频率不变工作，一般认为整个控制系统无大问题，可着重检查各传感器是否完好。如果空调器不能正常运行，说明控制系统有故障。

故障情况分析

常规故障现象成因

故障一　　

现象：空调系统不工作且空调的压缩机不吸合。　

成因：制冷剂部分或全部泄露。　　

维修：找出导致制冷剂泄漏的故障点，并更换损坏的零件，然后重新将其抽成真空状态，再添加适量的制冷剂。容易发生制冷剂泄漏的部位有：管路及其密封圈、冷凝管、膨胀阀、压力开关等。　　

故障二　　

现象：空调不能制冷，压缩机能够吸合，但低压很低且排出管表面温度极高。　　

成因：膨胀阀上的感温头损坏，导致冷媒泄漏无法制冷。　　

维修：将坏掉的感温头换掉，并将系统抽成真空、保压，然后根据空调规定的剂量适量添加制冷剂。　

故障三　　

现象：空调系统不工作且空调的压缩机不吸合，但空调系统内的压力平衡。　　

成因：空调系统的保险片、继电器、热敏电阻接线、冷凝风扇接线等部件出现问题。　　

维修：对上述部件一一进行排拆，更换掉损坏的的部件。　　

故障四　　

现象：制冷效果不佳，风量较小，且机箱运行噪声较大。　　

成因：空调的管道中有异物进入，或者灰尘堆积导致过滤网阻塞。　　

维修：定期拆下过滤网并对过滤网进行清洗，清洁管道，然后重新安装。　　

故障五　　

现象：空调制冷效果不佳，机箱正常运行但高、低压的压力均过高。　　

成因：添加了过量的制冷剂，或在压缩机中添加了过多的润滑油。　　

维修：如果是制冷剂添加过多，则排出、回收多余的制冷剂；若润滑油加注过多，拭去多余的润滑油到合适的剂量。然后同样要进行抽空、保压、加制冷剂等步骤。　　

故障六　　

现象：随着使用时间变长，空调的制冷效果变差，高低压压力都偏低。　　

成因：使用时各个部件的街头松动。　　

维修：将松动的接头处重新拧紧。

常规故障分析排除

以下几种故障就在日常生活中是比较常见。如果家中的空调运行不正常，大家可以对比以下几条，找出故障的原因，并进行简单的维修，然后我们的空调机就又能正常运行啦。

压缩机不能运行

原因1：电源故障　　

排除：用万用表、电笔遂项检查排除故障。保险丝坏则更换保险丝，电线断则更换电线　　

原因2：电源电压太低　　

排除：用万用表测量电压值，必要时配用电源稳压装置　　

原因3：电线连接松脱或断路　　

排除：检查电线连接部位，松脱的接插件应重新插牢、插紧，应由专业人员检修　　

空调维修压缩机长时间运行而不能自停　　

原因1：由于制冷剂量不足，制冷剂全部或部分泄漏导致　　

排除：查出泄漏部位，补漏，将制冷系统重新抽真空，加入制冷剂等，应由专业人员维修　　

原因2：过滤器堵塞。　　

排除：可更换过滤器，制冷系统重新抽真空、加入制冷剂等，应由专业人员维修　　

风机不能运行　　

原因1：主控开关接触不良　　

排除：用万用表测量主控开关触点电阻，电阻太大或为零时，应作修复或更换处理　　

原因2：风扇电机线圈损坏　　

排除：用万用表检查，更换相同规格、相同转速的风扇电机　　

原因3：风机的电机与风叶间紧定螺钉松脱　　

排除：将紧定螺钉紧固　　

原因4：风扇电容器短路或短路　　

排除：检查电容器，更换相同规格的电容器　　

压缩机起动与停止频繁　　

原因1：室温控制值设置不当　　

排除：适当增大室内控制温度与原室温之间的差值　　

原因2：环境温度过高　　

排除：改善工作环境，如设置遮栅，避免阳光直晒，将空调器安装在通风良好的环境等　　

原因3：冷凝器太脏　　

排除：清洗冷凝器，去除冷凝器外表面的尘埃　　

冷暖型空调器制冷制热调节失灵　　

原因1：电磁换向阀线圈故障　　

排除：用万用表测量电磁换向阀线圈，若属线圈断路或烧毁，应更换新的同规格电磁阀　　

原因2：电加热装置故障　　

排除：用万用表检查，更换相同规格的电加热丝或温度保护器　　

原因3：温度控制器失灵　　

排除：用万用表检查温控器，对触点作除锈污处理后如依然无效，则应更换相同规格温度控制器　　

空调器噪音和振动较大　　

原因1：固定螺钉松动或脱落　　

排除：检查螺钉松动的地方，并将其拧紧　　

原因2：压缩机管路相碰　　

排除：用手适当调整高、低压管的开头或者在易相碰的管子上套上橡皮管，以免相碰时发出异常噪声。

维修费用

家用空调修理费用要多少？

其实费用的问题，还是要根据维修程度来看，大部分可以分为小修、中修、大修。

1、小程度修理

小城府的修理，原因一般都是小零件故障、家用空调有噪音出现等等，问题不大，修理费用也没有那么多，一般价格在50-100元之间。

2、中程度修理

中修的价格可能在100-300元之间，大多是因为家用空调上的一些零件要更换，比如更换挂机底座、组件、柜机箱体等等。

3、大程度修理

大修的价格则在300-1000元之间，具体什么问题，就需要根据家用空调实际故障而定。

空调维修安装收费价格：

常规品牌售后电话

欧美品牌

开利空调Carrier全国服务热线/售后电话：400-900-0888

约克空调YORK全国服务热线/售后电话：400-820-6607

特灵空调Trane全国服务热线/售后电话：400-828-8240

麦克维尔空调Mcquay全国服务热线/售后电话：951-05363

克莱门特空调Climaveneta全国服务热线/售后电话：400-880-7575

欧科空调EK全国服务热线/售后电话：400-188-1963

美国美意空调Mammoth全国服务热线/售后电话：400-820-1700

国产品牌

天加空调Tica全国服务热线/售后电话：400-860-1601

美的空调Midea全国服务热线/售后电话：400-889-9315

格力空调Gree全国服务热线/售后电话：400-836-5315

海尔空调Haier全国服务热线/售后电话：400-699-9999

雅士空调Airmaster全国服务热线/售后电话：400-053-0800

台佳空调TECKA全国服务热线/售后电话：400-671-2725

海信空调Hisense全国服务热线/售后电话：（安装）400-801-1111（维修）400-611-1111

志高空调Chigo全国服务热线/售后电话：4006-757-888

盾安空调Dunan全国服务热线/售后电话：400-600-3333

奥克斯空调Aux全国服务热线/售后电话：400-826-8268

国祥空调kingair全国服务热线/售后电话：400-826-0708

扬子空调Yair全国服务热线/售后电话：400-887-7000

格兰仕空调Galanz全国服务热线/售后电话：4008-300-888

TCL中央空调全国服务热线/售后电话：400-812-3456

日系品牌

大金空调Daikin全国服务热线/售后电话：400-820-1081

东芝空调Toshiba全国服务热线/售后电话：400-888-0208

日立空调HITACHI全国服务热线/售后电话：400-860-1111

三菱空调Mitsubishi全国服务热线/售后电话：400-181-3030（中央空调）400-700-3030（家用空调）

松下空调Panasonic全国服务热线/售后电话：400-881-1315

合资品牌

顿汉布什Dunham-bush全国服务热线/售后电话：800-7070-998

新晃空调SINKO全国服务热线/售后电话：400-018-1518

西屋康达空调Siukonda全国服务热线/售后电话：400-0757-200

韩国品牌

LG空调全国服务热线/售后电话：400-611-9999（中央空调），400-819-8008（空调溴化锂/离心机/螺杆机）

三星空调Samsung全国服务热线/售后电话：400-810-5858

空调保养

1、经常清扫空调器面板和机壳的灰尘

一般使用干布擦拭。先擦拭，然后再用清水湿擦布擦除掉洗涤剂。切勿用40度以上热水、汽油、挥发性油及腐蚀性溶剂擦拭空调器面板和机壳。不应用硬毛刷刷洗空调器，以免损坏外壳，造成脱漆、褪色等。

2、定期清洗空调器的冷凝器和蒸发器盘管

可使用毛刷和吸尘器清洗盘管上的灰尘。注意在清洗时毛刷和吸尘器应沿盘管的垂直方向清扫，切勿沿水平方向清扫，以免碰坏盘管的肋片。

3、定期清洗空调器的空气过滤网

一般2至3周左右清扫一次。清扫时将过滤网抽出，用干的软毛刷刷去过滤网上的灰尘。也可用清水清洗去过滤网上的灰尘。晾干后再装入空调器使用。对灰尘较多的环境，过滤网的清洗应更经常，以免过滤网沾灰尘太多，影响空调器的通风量。

%3Chowto_content%3E[{"type":"paragraph","attrs":{"is_abstract":true},"children":[{"type":"text","text":"空调是现代生活中不可缺少的一部分，它提高了人们的生活水平，使人们在适宜的温度下生活。但是做为家用电器，长时间的使用，也难免会出现故障，那么出现故障该怎么办呢？本文就教教大家怎么处理。","id":""}],"text":"","id":"doxcnwGqE8O8usMgiQBVxXwqvkd"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"空调基础知识","id":""}],"text":"","id":"doxcn2m8yOEsisQOyK2m5nN6pYg"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"核心部件","id":""}],"text":"","id":"doxcnOy6seiasIICEOcTtpKfPZk"},{"type":"paragraph","children":[{"type":"text","text":"空调器的制冷（制热）系统由压缩机、冷凝器、毛细管（或电子膨胀阀）、蒸发器四大部分组成。分体式空调器中，这4大部件分为室内机和室外机两部分。室外机有压缩机、冷凝器、毛细管（或电子膨胀阀）3大制冷（制热）部件，室内机只有1只蒸发器，它们之间用管路、截止阀来连接，从而成为一个完整的制冷（制热)系统。","id":""}],"text":"","id":"doxcnamMqIkWAoSsE4qeLbnCLYc"},{"type":"image","attrs":{"height":630,"note":[{"type":"text","text":"核心部件","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/33242a7b9e21411780e7d098fdeddee3","width":945},"text":"","id":"doxcnCCeYuue6CgiSiwzAg0iMUh"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"压缩机","id":""}],"text":"","id":"doxcnsCy60UMmsyEAa0mts7vjgh"},{"type":"paragraph","children":[{"type":"text","text":"将气体压缩，将低压气体变成高压气体，常见的有涡旋式压缩机、转子式压缩机，为制冷剂提供从高温环境吸热、向高温环境放热的能量，帮助制冷剂循环顺利进行。","id":""}],"text":"","id":"doxcnwsO8OYOUse6Uy4iEm3BhFc"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"冷凝器","id":""}],"text":"","id":"doxcna2ykwAqSuYUKICtmcnTvcv"},{"type":"paragraph","children":[{"type":"text","text":"将制冷剂由气体冷凝变成液体，放出热量。","id":""}],"text":"","id":"doxcne8geisc4Sig6mKouqRXLoc"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"节流装置","id":""}],"text":"","id":"doxcne2iKYYM0OC6GKWhW3YyLah"},{"type":"paragraph","children":[{"type":"text","text":"将高压液体变成低温低压液体，常见的有毛细管和膨胀阀，制冷剂压力越低，沸点越低，节流装置的作用就是将制冷剂的压力降低到制冷剂对应的沸点比制冷时室内温度（需要从室内吸热），制热时的室外温度低（需要从室外吸热），保证制冷剂能从空气吸热，正常蒸发。","id":""}],"text":"","id":"doxcn8YacUs6UmwkQyEPJjiDs0c"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"蒸发器","id":""}],"text":"","id":"doxcnA0GIau4QUA0MCYCPDOrG5c"},{"type":"paragraph","children":[{"type":"text","text":"将制冷剂由液体蒸发变成气体，吸收热量。","id":""}],"text":"","id":"doxcn4MMaSaUM4eI6gb7y7tiQWg"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"循环原理：","id":""}],"text":"","id":"doxcnEQCmwMwquugQKy1jpW3Fbh"},{"type":"image","attrs":{"height":540,"note":[{"type":"text","text":"循环原理：","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/8699bb2d14464b7196b92e072a8103d8","width":1024},"text":"","id":"doxcnsWwkYSgoUeEaCaX6nDz7vb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"制冷和制热原理","id":""}],"text":"","id":"doxcnKkC2CECMK2miCiB9XVbtQf"},{"type":"image","attrs":{"height":682,"note":[{"type":"text","text":"制冷和制热原理","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/2b257991c5cf4426bc5995d744e343f6","width":1024},"text":"","id":"doxcnAgUsM2syeWAc84N9SJ28vb"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"制冷","id":""}],"text":"","id":"doxcn0YMW0cogk0EQ2XRj8uqOse"},{"type":"paragraph","children":[{"type":"text","text":"空调制冷时，制冷剂先经过压缩机变成高压气体；然后经过室外机换热器（冷凝器）冷凝放热变成高压液体；然后高压液体经过节流装置，会变成低温低压的液体；然后经过室内机换热器（蒸发器）蒸发吸热变成低温低压的气体，最后再回到压缩机。","id":""}],"text":"","id":"doxcn2Miqo6U2qeSQFJBkVJuWs8"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"制热","id":""}],"text":"","id":"doxcnOI4w8kQsmcYGAxbUT0oGhh"},{"type":"paragraph","children":[{"type":"text","text":"空调制热时，制冷剂先经过压缩机变成高压气体，然后会先经过室内机换热器（冷凝器）冷凝放热变成高压液体；然后高压液体经过节流装置，会变成低温低压的液体；然后经过室外机换热器（蒸发器）蒸发吸热变成低温低压的气体，最后再回到压缩机。","id":""}],"text":"","id":"doxcnMoU8kcyySqOO6x3oipzrcf"},{"type":"paragraph","children":[{"type":"text","text":"注意制冷制热时，制冷剂流向是不同的，制冷时先流过室外机换热器，此时室外机是冷凝器，室内机是蒸发器；制热时，制冷剂先流过室内机换热器，此时室内机是冷凝器，室外机是蒸发器。制冷制热不同状态时，空调会通过四通阀改变制冷剂的流向。上图红色方框内为四通阀。如果没有四通阀，空调只能实现单一制冷或者制热，不能冷热切换。","id":""}],"text":"","id":"doxcnCaEuW4qM0wEEdkYIZRknhy"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"检修思路","id":""}],"text":"","id":"doxcn4s6i2GG6WAKS4BXLXnf0yg"},{"type":"paragraph","children":[{"type":"text","text":"空调检修遵循由室内到室外再到中间，先易后难。要想电路故障检修具体和简单化，就要在检修时把室内与室外电路、主电路与控制电路故障区别开来。","id":""}],"text":"","id":"doxcncKIooiG6GKkmC1sN95Vcea"},{"type":"image","attrs":{"height":434,"note":[{"type":"text","text":"检修思路","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/1b313addc088496daf46fc1aa834fc2f","width":1024},"text":"","id":"doxcnGCWKIKYIawOqyio3Ifb1Pa"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"控制与主电路故障","id":""}],"text":"","id":"doxcnUAG0Ymsoyg8cYT8nKOxpEf"},{"type":"paragraph","children":[{"type":"text","text":"1、对于压缩机频繁开停故障，可通过测量空调器负载电压与压缩机运行电流来判断故障部位。如压缩机运转电流过大，说明故障在主电路；如压缩机运转电流正常，说明故障在控制电路。","id":""}],"text":"","id":"doxcnAO2eKOKCKSKek5KJRMwPCf"},{"type":"paragraph","children":[{"type":"text","text":"2、对于风机运转压缩机不启动故障，可通过观察室外交流","id":""},{"type":"text","text":"接触器","id":""},{"type":"text","text":"是否吸合来判定故障部位。如接触器吸合而压缩机不工作，说明故障在主电路；如接触器不吸合，说明故障在控制电路。对于变频空调压机不启动，可通过检测功率模块来排除故障。","id":""}],"text":"","id":"doxcnWGs64aUMSwAGmOhRV3UWfc"},{"type":"image","attrs":{"height":904,"note":[{"type":"text","text":"控制与主电路故障","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/a55c8ce63b074b8fabb7a5e6851e3e5d","width":1024},"text":"","id":"doxcnwCiO0CIce2S8eocyvRtGLc"},{"type":"paragraph","children":[{"type":"text","text":"3、测量室内与室外保护元件是否正常，来判断故障区域。如测量保护元件正常，说明故障在控制电路；如测量保护元件损坏，说明故障在主电路。","id":""}],"text":"","id":"doxcnWSOkc0iA2CAcKZ399bRnYd"},{"type":"paragraph","children":[{"type":"text","text":"4、对于压缩机不运转故障，还可通过强行按动接触器，观察压缩机是否能正常制冷。如按下接触器后压缩机能运转且制冷，说明故障在控制电路；如按下接触器压缩机过流或不启动，说明故障在主电路。(变频压缩机不能采用此法)","id":""}],"text":"","id":"doxcnSwUm6koGi4iWUxar4PRV1k"},{"type":"paragraph","children":[{"type":"text","text":"5、对于压缩机频繁启动故障，如摸压缩机外壳温度过高，多为主电路或压缩机本身故障。","id":""}],"text":"","id":"doxcn24uQUkWQgsyGwfjcfRzD4c"},{"type":"paragraph","children":[{"type":"text","text":"6、对于变频空调来说，可以通过空调器的故障指示灯来进行判断，如功率模块、通讯故障等。","id":""}],"text":"","id":"doxcnqE44k8kycqwuccBOIa7kQl"},{"type":"image","attrs":{"height":921,"note":[{"type":"text","text":"控制与主电路故障","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/1945f5c0c30d4366bdcc7cf7d3f1086b","width":1024},"text":"","id":"doxcnss6wuyAUCi2QsfoiThcOph"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"室内与室外电路故障","id":""}],"text":"","id":"doxcnOEqKMCwG6UOGiEVnhA7Pid"},{"type":"paragraph","children":[{"type":"text","text":"1、有输入与输出信号线的空调器，可以使用短接方法来进行判断。如采用上述方法后空调器能恢复正常，说明故障在室外机；如故障没有消除，说明故障在室内机。","id":""}],"text":"","id":"doxcnOKg8GKmwIqAaOSOwoFHKZb"},{"type":"paragraph","children":[{"type":"text","text":"2、测量室外机接线端上有无交流或直流电压判断故障部位。如测量室外接线端子上有交流或直流电压，说明故障在室外机；如测量无交流或直流电压，说明故障在室内电路。","id":""}],"text":"","id":"doxcnEkC6S2Sa4ii2QRC5MvF9YU"},{"type":"paragraph","children":[{"type":"text","text":"3、对功率较大的柜式空调器可通过观察室外接触器是否吸合，来判断故障部位。如接触器吸合，说明故障在室外机；如没有吸合，说明故障在室内机。","id":""}],"text":"","id":"doxcn4MQOAQcoywaWKUuMN0ZAbf"},{"type":"paragraph","children":[{"type":"text","text":"4、","id":""},{"type":"text","text":"对于有故障显示的空调器可通过观察室内与室外故障代码来区分故障部位。","id":""}],"text":"","id":"doxcnaew8KwG204ueKYmOddb6sg"},{"type":"image","attrs":{"height":1123,"note":[{"type":"text","text":"室内与室外电路故障","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/05707a70b14d47878b00d9097bf1980c","width":720},"text":"","id":"doxcnKeKeMAceuaAA2VKhUd3dWg"},{"type":"paragraph","children":[{"type":"text","text":"5、对于采用串行通讯的空调器电路，可用示波器测量信号线的波形来判断故障部位。","id":""}],"text":"","id":"doxcnCW6wAMcQsMyE1BE7TkdBuH"},{"type":"paragraph","children":[{"type":"text","text":"6、对于热泵型空调器不除霜或除霜频繁，则多为室外主控电路板故障。","id":""}],"text":"","id":"doxcnC4yqW6wEUYk4meQY6xuJpb"},{"type":"paragraph","children":[{"type":"text","text":"7、有条件也可通过更换电路板来区分室外机故障。","id":""}],"text":"","id":"doxcnMkQcsesyaOW4QJr7HcdU1d"},{"type":"image","attrs":{"height":475,"note":[{"type":"text","text":"室内与室外电路故障","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/1536b9fa2b804c0a87fca19182ef4960","width":712},"text":"","id":"doxcnQysOAsamsgCOo7sPs13m9c"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"空调故障检修方法","id":""}],"text":"","id":"doxcnocY2wcqqKQUaI92cNzs7mh"},{"type":"paragraph","children":[{"type":"text","text":"1、插上电源插头，室内机电源指示灯亮，如无电源指示，说明您家的电源有故障或指示灯损坏。（下图左起第一个为电源指示灯）","id":""}],"text":"","id":"doxcnaucUWCkEgqcqM1ZMJ4hHJc"},{"type":"image","attrs":{"height":1200,"note":[{"type":"text","text":"空调故障检修方法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/4fb08fac1058410a97357c20d8163459","width":1600},"text":"","id":"doxcn8Yo0SAgmy6WQgLaz2Rwfjc"},{"type":"paragraph","children":[{"type":"text","text":"2、有电源指示，用遥控器按操作键，信号发射不出去。首先，检查遥控器内的电池是否有电，然后检查电池的正负极片触点有无氧化腐蚀，若上述正常，检查遥控器内部电路板是否损坏，可将遥控器靠近一台调幅收音机，按遥控器键进行干扰试验，听收音机是否发出有“嘟嘟”声，有声说明遥控器无故障。","id":""}],"text":"","id":"doxcneyy8Cw6SYMMyOWfGpeeCtb"},{"type":"image","attrs":{"height":1080,"note":[{"type":"text","text":"空调故障检修方法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/dd92a6c3eafb4cf683a1ae453b844638","width":1080},"text":"","id":"doxcnsu0KAWkkaqmEU78B8jdG7c"},{"type":"paragraph","children":[{"type":"text","text":"3、当遥控器确定无故障时，信号还是发射不出去时，可用室内机强制运行开关验证，强制运行时，室内贯流风机和室外压缩机若运转正常，制冷效果良好，则证明空调器室内机红外接收部位有故障。","id":""}],"text":"","id":"doxcnwQAcUiq4kGG2MDNe1IRwPd"},{"type":"paragraph","children":[{"type":"text","text":"4、当你使用的遥控器装上新电池使用不到一个月就不显示时，可将遥控器的后盖打开，用95%的酒精清洗一下电路板和按键触点面导电胶片，干燥后，即可排除漏电故障，遥控器液晶显示缺字也可采用这种方法。","id":""}],"text":"","id":"doxcnO0o84cEiomwaWWwf2zroLb"},{"type":"paragraph","children":[{"type":"text","text":"5、变频空调器中的温度传感器起着非常重要的作用，室内机有空气温度传感器和蒸发器温度传感器;室外机有空气温度传感器，高压管路传感器和低压管路传感器，有的传感器在长期使用后发生阻值变化，使控制特性改变，(如室内机空气温度传感器阻值变大后，会引起变频器输出频率偏低)，为了保证控制精度，及其相同的工作特性，确定传感器故障后，应换用原型号的产品。","id":""}],"text":"","id":"doxcn4iIOwIIOQwiWULpvskAqKe"},{"type":"image","attrs":{"height":603,"note":[{"type":"text","text":"空调故障检修方法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj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:"text","text":"1、小程度修理","id":""}],"text":"","id":"doxcnee6oo4gi2iEkYH3XC92Tbc"},{"type":"paragraph","children":[{"type":"text","text":"小城府的修理，原因一般都是小零件故障、家用空调有噪音出现等等，问题不大，修理费用也没有那么多，一般价格在50-100元之间。","id":""}],"text":"","id":"doxcnqy4goyM4osoM0KLu33malh"},{"type":"paragraph","children":[{"type":"text","text":"2、中程度修理","id":""}],"text":"","id":"doxcnyMOW4SAuIaoSQ8nwB4Iymn"},{"type":"paragraph","children":[{"type":"text","text":"中修的价格可能在100-300元之间，大多是因为家用空调上的一些零件要更换，比如更换挂机底座、组件、柜机箱体等等。","id":""}],"text":"","id":"doxcny448u02u8QqosXEUzRzyfb"},{"type":"paragraph","children":[{"type":"text","text":"3、大程度修理","id":""}],"text":"","id":"doxcn02ScI80K8Sc04up6IQ40cc"},{"type":"paragraph","children":[{"type":"text","text":"大修的价格则在300-1000元之间，具体什么问题，就需要根据家用空调实际故障而定。","id":""}],"text":"","id":"doxcnUwU8CogYMmoWgDp3j2Newh"},{"type":"paragraph","children":[{"type":"text","text":"空调维修安装收费价格：","id":""}],"text":"","id":"doxcnAiWaeSwmKuWaQ7DVRRPWNf"},{"type":"imageList","children":[{"type":"image","attrs":{"height":1024,"note":[{"type":"text","text":"维修费用","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/5d660a7ce36b46adbc539eb94763b42c","width":858},"text":"","id":"doxcnMK4QAoyW8MM4oLs0HTfMob"},{"type":"image","attrs":{"height":632,"note":[{"type":"text","text":"维修费用","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/e5f22e947c1e489cba712eabc661339b","width":1024},"text":"","id":"doxcnGMGc6m04yewg2HRKQCCnxf"}],"text":"","id":"doxcn0wOQggaSiEiw8jfb9zGzLe"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"常规品牌售后电话","id":""}],"text":"","id":"doxcn0wOQggaSiEiw8jfb9zGzLe"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"欧美品牌","id":""}],"text":"","id":"doxcnMmC2sgy6mAmaYjMnnX1jPe"},{"type":"paragraph","children":[{"type":"text","text":"开利空调Carrier全国服务热线/售后电话：400-900-0888","id":""}],"text":"","id":"doxcnAea4yEySOcMECenFUMQotd"},{"type":"paragraph","children":[{"type":"text","text":"约克空调YORK全国服务热线/售后电话：400-820-6607","id":""}],"text":"","id":"doxcnwyGSEcAIM2U84JVOti5xUh"},{"type":"paragraph","children":[{"type":"text","text":"特灵空调Trane全国服务热线/售后电话：400-828-8240","id":""}],"text":"","id":"doxcnm8WOaUY8w40EqwDL6pZivb"},{"type":"paragraph","children":[{"type":"text","text":"麦克维尔空调Mcquay全国服务热线/售后电话：951-05363","id":""}],"text":"","id":"doxcnE4waOUKsQUMSmKhtLarmvc"},{"type":"paragraph","children":[{"type":"text","text":"克莱门特空调Climaveneta全国服务热线/售后电话：400-880-7575","id":""}],"text":"","id":"doxcnc4Y8UyU6Mc2Oa4pVkNSIHb"},{"type":"paragraph","children":[{"type":"text","text":"欧科空调EK全国服务热线/售后电话：400-188-1963","id":""}],"text":"","id":"doxcnqkSEUoyaamc28K0vIQ247K"},{"type":"paragraph","children":[{"type":"text","text":"美国美意空调Mammoth全国服务热线/售后电话：400-820-1700","id":""}],"text":"","id":"doxcnaMWgwMOU2YaMK896iBEOzd"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"国产品牌","id":""}],"text":"","id":"doxcnQaku8SKuSmkMUJMy5Lc2Tc"},{"type":"paragraph","children":[{"type":"text","text":"天加空调Tica全国服务热线/售后电话：400-860-1601","id":""}],"text":"","id":"doxcnMuSGkoKUIeYwDhpU59llPb"},{"type":"paragraph","children":[{"type":"text","text":"美的空调Midea全国服务热线/售后电话：400-889-9315","id":""}],"text":"","id":"doxcnOQgasi8SMU8WSuhhFc2WTb"},{"type":"paragraph","children":[{"type":"text","text":"格力空调Gree全国服务热线/售后电话：400-836-5315","id":""}],"text":"","id":"doxcngKA4MU6K0SW8uOxAnMksIh"},{"type":"paragraph","children":[{"type":"text","text":"海尔空调Haier全国服务热线/售后电话：400-699-9999","id":""}],"text":"","id":"doxcn6O602kc8y86KKoVO7zhExc"},{"type":"paragraph","children":[{"type":"text","text":"雅士空调Airmaster全国服务热线/售后电话：400-053-0800","id":""}],"text":"","id":"doxcngOw0cqWiOOUiiWoGksTsPh"},{"type":"paragraph","children":[{"type":"text","text":"台佳空调TECKA全国服务热线/售后电话：400-671-2725","id":""}],"text":"","id":"doxcnGQ6gKU0AIUqqY1eBHSbm1g"},{"type":"paragraph","children":[{"type":"text","text":"海信空调Hisense全国服务热线/售后电话：（安装）400-801-1111（维修）400-611-1111","id":""}],"text":"","id":"doxcnGMqUgUEC8wi8qEnnC4iJlc"},{"type":"paragraph","children":[{"type":"text","text":"志高空调Chigo全国服务热线/售后电话：4006-757-888","id":""}],"text":"","id":"doxcnsC8IC2IQ0waeSWXwMKsIwg"},{"type":"paragraph","children":[{"type":"text","text":"盾安空调Dunan全国服务热线/售后电话：400-600-3333","id":""}],"text":"","id":"doxcnew2cCCAoGMi0Apd6cwIJef"},{"type":"paragraph","children":[{"type":"text","text":"奥克斯空调Aux全国服务热线/售后电话：400-826-8268","id":""}],"text":"","id":"doxcneKwk2o0i28qceAU7DloKWf"},{"type":"paragraph","children":[{"type":"text","text":"国祥空调kingair全国服务热线/售后电话：400-826-0708","id":""}],"text":"","id":"doxcn2em6CuckEi6CwFcqZobEkc"},{"type":"paragraph","children":[{"type":"text","text":"扬子空调Yair全国服务热线/售后电话：400-887-7000","id":""}],"text":"","id":"doxcnWy8ImMUoiqYAAtfrdAmvuf"},{"type":"paragraph","children":[{"type":"text","text":"格兰仕空调Galanz全国服务热线/售后电话：4008-300-888","id":""}],"text":"","id":"doxcnMymw0sIiGAegU1Drf5ddze"},{"type":"paragraph","children":[{"type":"text","text":"TCL中央空调全国服务热线/售后电话：400-812-3456","id":""}],"text":"","id":"doxcnwwEQGkYuY02O6b9ZgT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