CN105157341B - Detection apparatus for refrigerator does not refrigerate trouble - Google Patents
Detection apparatus for refrigerator does not refrigerate trouble Download PDFInfo
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Abstract
Description
本申请是申请号为“2013104366224”、申请日为“2013.9.24”、发明名称为“一种冰箱不制冷故障的检测装置”的发明专利申请的分案申请。This application is a divisional application of the invention patent application with the application number "2013104366224", the application date "2013.9.24", and the invention title "a detection device for non-refrigeration failure of refrigerator".
技术领域technical field
本发明涉及冰箱不制冷故障的检测装置。The invention relates to a detection device for a non-refrigerating failure of a refrigerator.
背景技术Background technique
随着冰箱市场的发展，目前大容积多间室电控冰箱越来越多，此类冰箱各间室一般都可以独立控温，制冷控制是通过风门或电磁阀的切换来实现的。当冰箱风门出现故障打不开或电磁阀故障切换不了时，就会导致某些间室不制冷；若压缩机故障或制冷剂泄漏则会出现冰箱各间室均不制冷。上述冰箱在使用过程中，一旦发生冰箱整机不制冷或个别间室不制冷故障后，用户不能立即发现，导致食品变质。With the development of the refrigerator market, there are more and more large-volume multi-chamber electronically controlled refrigerators. Generally, each room of this type of refrigerator can be independently controlled, and the cooling control is realized through the switching of dampers or solenoid valves. When the damper of the refrigerator fails to open or the solenoid valve fails to switch, some compartments will not be refrigerated; if the compressor fails or the refrigerant leaks, all compartments of the refrigerator will not be refrigerated. During the use of the above-mentioned refrigerator, once a fault occurs that the whole refrigerator does not cool or individual compartments do not cool, the user cannot find out immediately, resulting in food deterioration.
发明内容Contents of the invention
为解决上述现有技术所存在的不足之处，本发明提供一种冰箱不制冷故障的检测装置及其检测方法，以期可以准确检测出冰箱的不制冷故障并及时通知用户，同时为维修人员快速判定故障原因提供帮助。In order to solve the shortcomings of the above-mentioned prior art, the present invention provides a detection device and a detection method for a non-refrigerating fault of a refrigerator, in order to accurately detect the non-refrigerating fault of a refrigerator and notify the user in time, and at the same time provide maintenance personnel with a quick response. Help determine the cause of the failure.
本发明解决技术问题，采用如下技术方案：The present invention solves technical problem, adopts following technical scheme:
本发明冰箱不制冷故障的检测装置，其特点在于：所述检测装置包括第一温度传感器、控制单元和显示单元；The detection device for non-refrigeration failure of a refrigerator according to the present invention is characterized in that: the detection device includes a first temperature sensor, a control unit and a display unit;
所述第一温度传感器设置在待测间室内，用于检测待测间室内温度；The first temperature sensor is set in the chamber to be tested, and is used to detect the temperature in the chamber to be tested;
所述控制单元用于采集所述第一温度传感器所测得的待测间室内温度，并向所述显示单元传送故障信号；The control unit is used to collect the temperature in the compartment to be measured measured by the first temperature sensor, and transmit a fault signal to the display unit;
所述显示单元设置于冰箱外表面，用于显示故障信号。The display unit is arranged on the outer surface of the refrigerator for displaying fault signals.
本发明冰箱不制冷故障的检测装置，其特点也在于：所述冰箱为单蒸发器直冷冰箱，所述检测装置还包括设置在蒸发器入口处的第二温度传感器，所述第二温度传感器检测蒸发器温度，所述控制单元采集所述第二温度传感器检测到的蒸发器温度；The detection device for non-refrigerating failure of the refrigerator of the present invention is also characterized in that: the refrigerator is a direct-cooling refrigerator with a single evaporator, and the detection device also includes a second temperature sensor arranged at the entrance of the evaporator, and the second temperature sensor Detecting the temperature of the evaporator, the control unit collects the temperature of the evaporator detected by the second temperature sensor;
所述控制单元内设置有待测间室温度限定值、限定时间和蒸发器温度限定值，当待测间室开始制冷达到限定时间时，待测间室内温度相比于待测间室开始制冷时刻的温度的下降值低于待测间室温度限定值，且蒸发器温度高于蒸发器温度限定值时，控制单元向显示单元传送压机故障信号。The control unit is provided with a temperature limit value, a limit time and an evaporator temperature limit value of the room to be tested. When the room to be tested starts to cool and reaches the time limit, the temperature in the room to be tested will start to cool compared to the room to be tested. When the drop value of the temperature at the moment is lower than the limit value of the temperature of the chamber to be tested, and the temperature of the evaporator is higher than the limit value of the evaporator temperature, the control unit sends a compressor fault signal to the display unit.
所述限定时间为1-60min；所述待测间室温度限定值为1-10℃；蒸发器温度限定值为-15-35℃。The limited time is 1-60 minutes; the limited temperature of the chamber to be tested is 1-10°C; the limited temperature of the evaporator is -15-35°C.
或所述冰箱为双循环直冷冰箱或多循环直冷冰箱，所述检测装置还包括设置在除待测间室之外的任一间室的蒸发器入口处的第二温度传感器；所述第二温度传感器检测蒸发器温度，所述控制单元采集所述第二温度传感器检测到的蒸发器温度；Or the refrigerator is a double-cycle direct-cooling refrigerator or a multi-cycle direct-cooling refrigerator, and the detection device also includes a second temperature sensor arranged at the evaporator inlet of any compartment except the compartment to be tested; The second temperature sensor detects the temperature of the evaporator, and the control unit collects the temperature of the evaporator detected by the second temperature sensor;
所述控制单元内设置有待测间室温度限定值、限定时间和蒸发器温度范围；The control unit is provided with a temperature limit value of the chamber to be tested, a limit time and a temperature range of the evaporator;
当待测间室开始制冷达到限定时间时，待测间室内温度相比于待测间室开始制冷时刻的温度的下降值低于待测间室温度限定值，且蒸发器温度在蒸发器温度范围内时，控制单元向显示单元传送电磁阀切换故障信号；When the room to be tested starts to refrigerate and reaches the limited time, the drop value of the temperature in the room to be tested compared to the temperature at the moment when the room to be tested starts to cool is lower than the limit value of the temperature of the room to be tested, and the temperature of the evaporator is within the evaporator temperature When within the range, the control unit sends a solenoid valve switching fault signal to the display unit;
当待测间室开始制冷达到限定时间时，待测间室内温度相比于待测间室开始制冷时刻的温度的下降值低于待测间室温度限定值，且蒸发器温度高于蒸发器温度范围最大值时，控制单元向显示单元传送压机故障信号。When the room to be tested starts to refrigerate and reaches the limited time, the drop of the temperature in the room to be tested compared to the temperature at the moment when the room to be tested starts cooling is lower than the limit value of the temperature of the room to be tested, and the temperature of the evaporator is higher than the temperature of the evaporator When the temperature range reaches the maximum value, the control unit transmits a press fault signal to the display unit.
或所述冰箱为单蒸发器的多间室风冷冰箱，所述检测装置还包括设置在蒸发器入口处的第二温度传感器；所述第二温度传感器检测蒸发器温度，所述控制单元采集所述第二温度传感器检测到的蒸发器温度；Or the refrigerator is a multi-chamber air-cooled refrigerator with a single evaporator, and the detection device also includes a second temperature sensor arranged at the entrance of the evaporator; the second temperature sensor detects the temperature of the evaporator, and the control unit collects the evaporator temperature detected by the second temperature sensor;
当待测间室开始制冷达到限定时间时，待测间室内温度相比于待测间室开始制冷时刻的温度的下降值低于待测间室温度限定值，且蒸发器温度低于蒸发器温度范围最小值时，控制单元向显示单元传送风扇不转故障信号。When the room to be tested starts to refrigerate and reaches the limited time, the temperature drop in the room to be tested compared to the temperature at the time when the room to be tested starts cooling is lower than the temperature limit of the room to be tested, and the temperature of the evaporator is lower than the temperature of the evaporator When the temperature range is at the minimum value, the control unit sends a fan failure signal to the display unit.
当待测间室开始制冷达到限定时间时，待测间室内温度相比于待测间室开始制冷时刻的温度的下降值低于待测间室温度限定值，且蒸发器温度在蒸发器温度范围内时，控制单元向显示单元传送风门无法打开故障信号；When the room to be tested starts to refrigerate and reaches the limited time, the temperature drop in the room to be tested compared to the temperature at the moment when the room to be tested starts to cool is lower than the limit value of the temperature of the room to be tested, and the evaporator temperature is within the evaporator temperature When within the range, the control unit sends a fault signal that the damper cannot be opened to the display unit;
当待测间室开始制冷达到限定时间时，待测间室内温度相比于待测间室开始制冷时刻的温度的下降值低于待测间室温度限定值，且蒸发器温度高于蒸发器温度范围最大值时，控制单元向显示单元传送压机故障信号。When the room to be tested starts to refrigerate and reaches the limited time, the drop of the temperature in the room to be tested compared to the temperature at the moment when the room to be tested starts cooling is lower than the limit value of the temperature of the room to be tested, and the temperature of the evaporator is higher than the temperature of the evaporator When the temperature range reaches the maximum value, the control unit transmits a press fault signal to the display unit.
所述限定时间为1-60min；所述待测间室温度限定值为1-10℃；所述蒸发器温度范围为[-15,-35℃]。The limited time is 1-60min; the temperature limit of the chamber to be tested is 1-10°C; the temperature range of the evaporator is [-15,-35°C].
所述控制单元与冰箱控制器集成设置。The control unit is integrated with the refrigerator controller.
所述显示单元与冰箱显示系统集成设置。The display unit is integrated with the display system of the refrigerator.
与已有技术相比，本发明的有益效果体现在：Compared with the prior art, the beneficial effects of the present invention are reflected in:
1、本发明冰箱不制冷故障的检测装置通过第一温度传感器和第二温度传感器检测温度；然后通过控制单元根据所检测到的温度判断冰箱是否出现不制冷故障以及故障来源，若出现故障，则通过显示单元显示故障来源，及时提醒用户，方法简单、效率高，有效避免了不能及时发现不制冷故障而导致食品变质的问题。1. The detection device for non-refrigerating failure of the refrigerator of the present invention detects the temperature through the first temperature sensor and the second temperature sensor; The display unit displays the source of the fault and reminds the user in time. The method is simple and efficient, and effectively avoids the problem that the non-refrigerating fault cannot be found in time and the food deteriorates.
2、本发明检测方法采用全自动记录识别，不需要人工检测，准确度高。2. The detection method of the present invention adopts automatic recording and identification, does not need manual detection, and has high accuracy.
附图说明Description of drawings
图1为本发明冰箱不制冷故障的检测装置的结构示意图。Fig. 1 is a schematic structural diagram of a detection device for non-refrigerating failure of a refrigerator according to the present invention.
具体实施方式detailed description
实施例1Example 1
如图1所示，本实施例单蒸发器直冷冰箱不制冷故障的检测装置，包括第一温度传感器、控制单元和显示单元；As shown in Figure 1, the detection device for non-refrigerating failure of a single evaporator direct cooling refrigerator in this embodiment includes a first temperature sensor, a control unit and a display unit;
第一温度传感器设置在待测间室内，用于检测待测间室内温度；The first temperature sensor is arranged in the room to be tested, and is used to detect the temperature in the room to be tested;
控制单元用于采集第一温度传感器所测得的待测间室内温度，并向显示单元传送故障信号；The control unit is used to collect the temperature in the room to be measured measured by the first temperature sensor, and transmit a fault signal to the display unit;
显示单元设置于冰箱外表面，用于显示故障信号。The display unit is arranged on the outer surface of the refrigerator and is used for displaying fault signals.
检测装置还包括设置在蒸发器入口处的第二温度传感器，第二温度传感器检测蒸发器温度，控制单元采集第二温度传感器检测到的蒸发器温度；The detection device also includes a second temperature sensor arranged at the entrance of the evaporator, the second temperature sensor detects the temperature of the evaporator, and the control unit collects the temperature of the evaporator detected by the second temperature sensor;
控制单元内设置有待测间室温度限定值、限定时间和蒸发器温度限定值，当待测间室开始制冷达到限定时间时，待测间室内温度相比于待测间室开始制冷时刻的温度的下降值低于待测间室温度限定值，且蒸发器温度高于蒸发器温度限定值时，判定冰箱待测间室出现不制冷故障，且故障来源是压机故障，控制单元向显示单元传送压机故障信号。The control unit is set with a temperature limit value, a limit time and an evaporator temperature limit value of the room to be tested. When the drop in temperature is lower than the limit value of the temperature of the room to be tested, and the temperature of the evaporator is higher than the limit value of the evaporator temperature, it is determined that there is a non-cooling fault in the room to be tested of the refrigerator, and the source of the fault is a compressor failure, and the control unit will display The unit transmits a press fault signal.
具体实施中，控制单元与冰箱控制器集成设置，显示单元与冰箱显示系统集成设置。In specific implementation, the control unit is integrated with the refrigerator controller, and the display unit is integrated with the refrigerator display system.
利用本实施例的单蒸发器直冷冰箱不制冷故障的检测装置的不制冷故障的检测方法，按如下步骤进行：Utilize the detection method of the non-refrigeration fault of the detection device of the non-refrigeration fault of the single evaporator direct cooling refrigerator of the present embodiment, proceed according to the following steps:
a、在待测间室开始制冷的时刻，控制单元采集第一温度传感器测得的待测间室温度T10；a. At the moment when the room to be tested starts to refrigerate, the control unit collects the temperature T10 of the room to be tested measured by the first temperature sensor;
b、在限定时间内，控制单元实时采集第一温度传感器测得的待测间室温度T1i和第二温度传感器所测得的蒸发器温度T2i；b. Within a limited time, the control unit collects in real time the temperature T1i of the chamber to be measured measured by the first temperature sensor and the temperature T2i of the evaporator measured by the second temperature sensor;
控制单元实时计算待测间室温度下降值Ti＝T10-T1i；The control unit calculates the temperature drop value of the chamber to be tested in real time Ti=T10-T1i;
控制单元内设置有温度限定值T1和蒸发器温度限定值T2；The temperature limit value T1 and the evaporator temperature limit value T2 are set in the control unit;
当待测间室开始制冷达到限定时间时，待测间室温度下降值Ti低于温度限定值T1，且蒸发器温度T2i高于T2时，判定冰箱待测间室出现不制冷故障，且故障来源是压机故障，控制单元向显示单元传送压机故障信号；When the room to be tested starts cooling and reaches the limited time, the temperature drop value Ti of the room to be tested is lower than the temperature limit value T1, and the evaporator temperature T2i is higher than T2, it is determined that the refrigerator room to be tested is not refrigerated, and the failure The source is a press failure, and the control unit sends a press failure signal to the display unit;
c、显示单元显示压机故障信号。c. The display unit displays the fault signal of the compressor.
具体实施中，限定时间、待测间室温度限定值和蒸发器温度限定值可以根据冰箱的制冷效果具体设置。如：限定时间可以设置为30min；所述待测间室温度限定值为5℃；蒸发器温度限定值为-20℃。In specific implementation, the limited time, the limited value of the temperature of the compartment to be tested and the limited value of the evaporator temperature can be specifically set according to the cooling effect of the refrigerator. For example: the limited time can be set to 30 minutes; the limited temperature of the chamber to be tested is 5°C; the limited value of the evaporator temperature is -20°C.
实施例2Example 2
如图1所示，本实施例双循环或多循环直冷冰箱不制冷故障的检测装置包括第一温度传感器、控制单元和显示单元；As shown in Figure 1, the detection device for non-refrigerating failure of a double-cycle or multi-cycle direct cooling refrigerator in this embodiment includes a first temperature sensor, a control unit and a display unit;
第一温度传感器设置在待测间室内，用于检测待测间室内温度；The first temperature sensor is arranged in the room to be tested, and is used to detect the temperature in the room to be tested;
控制单元用于采集第一温度传感器所测得的待测间室内温度，并向显示单元传送故障信号；The control unit is used to collect the temperature in the room to be measured measured by the first temperature sensor, and transmit a fault signal to the display unit;
显示单元设置于冰箱外表面，用于显示故障信号。The display unit is arranged on the outer surface of the refrigerator and is used for displaying fault signals.
检测装置还包括设置在除待测间室之外的任一间室的蒸发器入口处的第二温度传感器；第二温度传感器检测蒸发器温度，控制单元采集第二温度传感器检测到的蒸发器温度；The detection device also includes a second temperature sensor arranged at the evaporator inlet of any chamber except the chamber to be tested; the second temperature sensor detects the temperature of the evaporator, and the control unit collects the temperature of the evaporator detected by the second temperature sensor. temperature;
控制单元内设置有待测间室温度限定值、限定时间和蒸发器温度范围；The control unit is set with the temperature limit value of the chamber to be tested, the limit time and the temperature range of the evaporator;
当待测间室开始制冷达到限定时间时，待测间室内温度相比于待测间室开始制冷时刻的温度的下降值低于待测间室温度限定值，且蒸发器温度在蒸发器温度范围内时，控制单元向显示单元传送电磁阀切换故障信号；When the room to be tested starts to refrigerate and reaches the limited time, the drop value of the temperature in the room to be tested compared to the temperature at the moment when the room to be tested starts to cool is lower than the limit value of the temperature of the room to be tested, and the temperature of the evaporator is within the evaporator temperature When within the range, the control unit sends a solenoid valve switching fault signal to the display unit;
当待测间室开始制冷达到限定时间时，待测间室内温度相比于待测间室开始制冷时刻的温度的下降值低于待测间室温度限定值，且蒸发器温度高于蒸发器温度范围最大值时，控制单元向显示单元传送压机故障信号。When the room to be tested starts to refrigerate and reaches the limited time, the drop of the temperature in the room to be tested compared to the temperature at the moment when the room to be tested starts cooling is lower than the limit value of the temperature of the room to be tested, and the temperature of the evaporator is higher than the temperature of the evaporator When the temperature range reaches the maximum value, the control unit transmits a press fault signal to the display unit.
具体实施中，控制单元与冰箱控制器集成设置，显示单元与冰箱显示系统集成设置。In specific implementation, the control unit is integrated with the refrigerator controller, and the display unit is integrated with the refrigerator display system.
具体实施中，限定时间、待测间室温度限定值和蒸发器温度范围可以根据冰箱的制冷效果具体设置。如：限定时间可以设置为30min；待测间室温度限定值设置为5℃；蒸发器温度范围设置为[-15,-35℃]。In specific implementation, the limited time, the limited value of the temperature of the chamber to be tested and the temperature range of the evaporator can be specifically set according to the cooling effect of the refrigerator. For example: the limited time can be set to 30min; the temperature limit of the chamber to be tested can be set to 5°C; the evaporator temperature range can be set to [-15,-35°C].
实施例3Example 3
如图1所示，本实施例单蒸发器的多间室风冷冰箱不制冷故障的检测装置包括第一温度传感器、控制单元和显示单元；As shown in Figure 1, the detection device for non-refrigeration failure of a multi-chamber air-cooled refrigerator with a single evaporator in this embodiment includes a first temperature sensor, a control unit and a display unit;
第一温度传感器设置在待测间室内，用于检测待测间室内温度；The first temperature sensor is arranged in the room to be tested, and is used to detect the temperature in the room to be tested;
控制单元用于采集第一温度传感器所测得的待测间室内温度，并向显示单元传送故障信号；The control unit is used to collect the temperature in the room to be measured measured by the first temperature sensor, and transmit a fault signal to the display unit;
显示单元设置于冰箱外表面，用于显示故障信号。The display unit is arranged on the outer surface of the refrigerator and is used for displaying fault signals.
所述检测装置还包括设置在蒸发器入口处的第二温度传感器；所述第二温度传感器检测蒸发器温度，所述控制单元采集所述第二温度传感器检测到的蒸发器温度；The detection device also includes a second temperature sensor arranged at the entrance of the evaporator; the second temperature sensor detects the temperature of the evaporator, and the control unit collects the temperature of the evaporator detected by the second temperature sensor;
当待测间室开始制冷达到限定时间时，待测间室内温度相比于待测间室开始制冷时刻的温度的下降值低于待测间室温度限定值，且蒸发器温度低于蒸发器温度范围最小值时，控制单元向显示单元传送风扇不转故障信号。When the room to be tested starts to refrigerate and reaches the limited time, the temperature drop in the room to be tested compared to the temperature at the time when the room to be tested starts cooling is lower than the temperature limit of the room to be tested, and the temperature of the evaporator is lower than the temperature of the evaporator When the temperature range is at the minimum value, the control unit sends a fan failure signal to the display unit.
当待测间室开始制冷达到限定时间时，待测间室内温度相比于待测间室开始制冷时刻的温度的下降值低于待测间室温度限定值，且蒸发器温度在蒸发器温度范围内时，控制单元向显示单元传送风门无法打开故障信号；When the room to be tested starts to refrigerate and reaches the limited time, the drop value of the temperature in the room to be tested compared to the temperature at the moment when the room to be tested starts to cool is lower than the limit value of the temperature of the room to be tested, and the temperature of the evaporator is within the evaporator temperature When within the range, the control unit sends a fault signal that the damper cannot be opened to the display unit;
当待测间室开始制冷达到限定时间时，待测间室内温度相比于待测间室开始制冷时刻的温度的下降值低于待测间室温度限定值，且蒸发器温度高于蒸发器温度范围最大值时，控制单元向显示单元传送压机故障信号。When the room to be tested starts to refrigerate and reaches the limited time, the drop of the temperature in the room to be tested compared to the temperature at the moment when the room to be tested starts cooling is lower than the limit value of the temperature of the room to be tested, and the temperature of the evaporator is higher than that of the evaporator When the temperature range reaches the maximum value, the control unit transmits a press fault signal to the display unit.
具体实施中，控制单元与冰箱控制器集成设置，显示单元与冰箱显示系统集成设置。In specific implementation, the control unit is integrated with the refrigerator controller, and the display unit is integrated with the refrigerator display system.
具体实施中，限定时间、待测间室温度限定值和蒸发器温度范围可以根据冰箱的制冷效果具体设置。如：限定时间可以设置为30min；待测间室温度限定值设置为5℃；蒸发器温度范围设置为[-15,-35℃]。In specific implementation, the limited time, the limited value of the temperature of the chamber to be tested and the temperature range of the evaporator can be specifically set according to the cooling effect of the refrigerator. For example: the limited time can be set to 30min; the temperature limit of the chamber to be tested can be set to 5°C; the evaporator temperature range can be set to [-15,-35°C].
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| CN104019617A (en) * | 2014-05-22 | 2014-09-03 | 合肥美的电冰箱有限公司 | Refrigerator and voice prompt method for refrigerator |
| CN105066577A (en) * | 2015-08-21 | 2015-11-18 | 合肥华凌股份有限公司 | Fault detection method, controller and refrigerator |
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| CN108302863A (en) * | 2018-01-23 | 2018-07-20 | 海信（山东）冰箱有限公司 | A kind of multi-cycle refrigeration system and its solenoid valve fault diagnostic method |
| CN108458523A (en) * | 2018-03-23 | 2018-08-28 | 辽宁科技学院 | A kind of method for diagnosing faults of refrigerator double round robin cooling system |
| CN111189297B (en) * | 2020-01-19 | 2022-03-11 | 合肥美的电冰箱有限公司 | Refrigerator fault detection method and device, storage medium, control panel and refrigerator |
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| CN103471343B (en) | 2015-10-28 |
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