CN105954052A - Capillary tube blockage detection system and method - Google Patents
Capillary tube blockage detection system and method Download PDFInfo
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Abstract
本发明公开了一种毛细管堵塞检测系统及方法，检测系统包括：控制器以及分别与控制器连接的第一感温元件、第二感温元件、第三感温元件和第四感温元件，通过第一感温元件检测毛细管进口温度，第二感温元件检测毛细管出口温度，第三感温元件检测压缩机吸气口温度，第四感温元件检测室外换热器出口温度，当毛细管在空调器处于开机或运行状态发生堵塞时，毛细管进口温度和毛细管出口温度相等，并且压缩机吸气口温度和室外换热器出口温度相等，因此，控制器根据各感温元件检测到的温度即可判断毛细管是否发生堵塞。可以看出，本发明公开的检测系统能够在毛细管发生堵塞时准确并及时确定故障源，且无需拆机，因此减少了拆机工作量，提高了检测效率。
The invention discloses a capillary clogging detection system and method. The detection system includes: a controller and a first temperature sensing element, a second temperature sensing element, a third temperature sensing element and a fourth temperature sensing element respectively connected to the controller, The first temperature-sensing element detects the capillary inlet temperature, the second temperature-sensing element detects the capillary outlet temperature, the third temperature-sensing element detects the compressor suction port temperature, and the fourth temperature-sensing element detects the outdoor heat exchanger outlet temperature. When the air conditioner is on or running and blocked, the capillary inlet temperature is equal to the capillary outlet temperature, and the compressor suction port temperature is equal to the outdoor heat exchanger outlet temperature. Therefore, the controller detects the temperature according to each temperature sensing element It can be judged whether the capillary is blocked. It can be seen that the detection system disclosed in the present invention can accurately and timely determine the fault source when the capillary is blocked, and does not need to dismantle the machine, thus reducing the workload of dismantling the machine and improving the detection efficiency.
Description
技术领域technical field
本发明涉及毛细管技术领域，更具体的说，涉及一种毛细管堵塞检测系统及方法。The invention relates to the technical field of capillary tubes, and more specifically, to a capillary blockage detection system and method.
背景技术Background technique
毛细管是一种内径很细的管子，通常指内径等于或小于1mm的细管，因管径有的细如毛发故称毛细管。A capillary is a tube with a very thin inner diameter, usually referring to a thin tube with an inner diameter equal to or less than 1 mm. It is called a capillary because the diameter of the tube is as thin as a hair.
当前的空调系统通常采用毛细管实现节流降温降压。以空调制冷为例，高温高压制冷剂通过冷凝器降温变成高压液态制冷剂，毛细管将从冷凝器出来的高压液态制冷剂，通过节流膨胀使其成为低压的液态制冷剂，液态制冷剂再进入蒸发器，并在相应的低压下蒸发，吸取周围空气的热量，达到制冷的目的。当空调器长期运行后，制冷剂中含有水汽以及压缩机长期运行累积的杂质将会堵塞毛细管，从而导致制冷剂在毛细管内无法流通，使空调器无法实现制冷和制热。目前，维修人员在查找空调器无法制冷和制热的故障源时，只能通过拆机的方式才能检测到毛细管堵塞情况，因此，整个检测过程费时费力，检测效率低。Current air conditioning systems usually use capillary tubes to achieve throttling, temperature reduction and pressure reduction. Taking air-conditioning refrigeration as an example, the high-temperature and high-pressure refrigerant cools down through the condenser to become a high-pressure liquid refrigerant, and the capillary tube converts the high-pressure liquid refrigerant coming out of the condenser into a low-pressure liquid refrigerant through throttling expansion, and the liquid refrigerant then Enter the evaporator, and evaporate under the corresponding low pressure, absorb the heat of the surrounding air, and achieve the purpose of refrigeration. When the air conditioner is running for a long time, the refrigerant contains water vapor and the impurities accumulated in the compressor will block the capillary tubes, which will cause the refrigerant to be unable to circulate in the capillary tubes, making the air conditioner unable to achieve cooling and heating. Currently, maintenance personnel can only detect capillary clogging by dismantling the air conditioner when looking for the fault source of the air conditioner’s inability to cool and heat. Therefore, the entire detection process is time-consuming and laborious, and the detection efficiency is low.
综上，如何提供一种毛细管堵塞检测系统及方法，当毛细管堵塞后可以准确并及时确定故障源，以减少拆机工作量，提高检测效率是目前亟需解决的技术问题。To sum up, how to provide a capillary clogging detection system and method, which can accurately and timely determine the fault source when the capillary is clogged, so as to reduce the workload of dismantling and improve the detection efficiency is a technical problem that needs to be solved urgently.
发明内容Contents of the invention
有鉴于此，本发明公开一种毛细管堵塞检测系统及方法，以实现当毛细管堵塞后能够准确并及时确定故障源，减少拆机工作量，提高检测效率。In view of this, the present invention discloses a capillary clogging detection system and method, so as to accurately and timely determine the fault source when the capillary is clogged, reduce the dismantling workload, and improve detection efficiency.
一种毛细管堵塞检测系统，所述检测系统包括：A capillary blockage detection system, the detection system comprising:
用于设置在待检毛细管的进口处，检测毛细管进口温度的第一感温元件；The first temperature-sensing element used to set at the inlet of the capillary to be tested to detect the inlet temperature of the capillary;
用于设置在所述待检毛细管的出口处，检测毛细管出口温度的第二感温元件；A second temperature-sensing element that is arranged at the outlet of the capillary to be tested to detect the outlet temperature of the capillary;
用于设置在压缩机的吸气口处，检测压缩机吸气口温度的第三感温元件，其中，所述压缩机与所述待检毛细管连接；A third temperature-sensing element that is arranged at the suction port of the compressor to detect the temperature of the suction port of the compressor, wherein the compressor is connected to the capillary to be checked;
用于设置在室外换热器的出口处，检测室外换热器出口温度的第四感温元件，其中，所述室外换热器设置在所述待检毛细管和所述压缩机之间；A fourth temperature-sensing element arranged at the outlet of the outdoor heat exchanger to detect the outlet temperature of the outdoor heat exchanger, wherein the outdoor heat exchanger is arranged between the capillary to be checked and the compressor;
控制器，具有信号采集端口和信号控制端口；The controller has a signal acquisition port and a signal control port;
所述控制器的所述信号采集端口分别与所述第一感温元件、所述第二感温元件、所述第三感温元件和所述第四感温元件连接，所述信号采集端口用于采集所述毛细管进口温度、所述毛细管出口温度、所述压缩机吸气口温度和所述室外换热器出口温度，所述信号控制端口输出用于在空调器处于开机或运行状态时，所述毛细管进口温度和所述毛细管出口温度相等且所述压缩机吸气口温度和所述室外换热器出口温度相等时生成的控制信号。The signal collection port of the controller is respectively connected to the first temperature sensing element, the second temperature sensing element, the third temperature sensing element and the fourth temperature sensing element, and the signal collection port Used to collect the capillary inlet temperature, the capillary outlet temperature, the compressor suction port temperature and the outdoor heat exchanger outlet temperature, and the signal control port output is used when the air conditioner is in the starting or running state , a control signal generated when the capillary inlet temperature is equal to the capillary outlet temperature and the compressor suction inlet temperature is equal to the outdoor heat exchanger outlet temperature.
优选的，还包括：Preferably, it also includes:
与所述信号控制端口连接，用于获取所述控制信号，并根据所述控制信号报警的报警器。An alarm device connected to the signal control port for acquiring the control signal and giving an alarm according to the control signal.
优选的，所述报警器为声音报警器。Preferably, the alarm is an audible alarm.
优选的，所述报警器为光报警器。Preferably, the alarm is a light alarm.
优选的，所述报警器为声光报警器。Preferably, the alarm is an audible and visual alarm.
优选的，还包括：Preferably, it also includes:
与所述信号控制端口连接，用于获取所述控制信号，并根据所述控制信号显示提示信息的显示器，所述提示信息用于提示所述待检毛细管发生堵塞。A display connected to the signal control port for acquiring the control signal and displaying prompt information according to the control signal, the prompt information is used to prompt that the capillary to be checked is blocked.
优选的，所述第一感温元件、所述第二感温元件、所述第三感温元件和所述第四感温元件均为温度传感器。Preferably, the first temperature sensing element, the second temperature sensing element, the third temperature sensing element and the fourth temperature sensing element are all temperature sensors.
一种毛细管堵塞检测方法，所述检测方法包括：A capillary blockage detection method, the detection method comprising:
获取毛细管进口温度、毛细管出口温度、压缩机吸气口温度和室外换热器出口温度；Obtain capillary inlet temperature, capillary outlet temperature, compressor suction inlet temperature and outdoor heat exchanger outlet temperature;
在空调器处于开机或运行状态时，将所述毛细管进口温度和所述毛细管出口温度进行比较，并将所述压缩机吸气口温度和所述室外换热器出口温度进行比较，以判断待检毛细管是否发生堵塞；When the air conditioner is in the starting or running state, compare the capillary inlet temperature with the capillary outlet temperature, and compare the compressor suction port temperature with the outdoor heat exchanger outlet temperature to determine the Check whether the capillary is blocked;
当所述毛细管进口温度和所述毛细管出口温度相等，且所述压缩机吸气口温度和所述室外换热器出口温度相等时，判定所述待检毛细管发生堵塞。When the capillary inlet temperature is equal to the capillary outlet temperature, and the compressor suction port temperature is equal to the outdoor heat exchanger outlet temperature, it is determined that the capillary to be tested is blocked.
优选的，还包括：Preferably, it also includes:
当所述待检毛细管发生堵塞时，生成控制信号，所述控制信号用于控制报警器报警。When the capillary to be detected is blocked, a control signal is generated, and the control signal is used to control the alarm to alarm.
优选的，还包括：Preferably, it also includes:
当所述待检毛细管发生堵塞时，生成控制信号，所述控制信号用于控制显示器显示用于提示所述待检毛细管发生堵塞的提示信息。When the capillary to be checked is blocked, a control signal is generated, and the control signal is used to control the display to display prompt information for prompting that the capillary to be checked is blocked.
从上述的技术方案可知，本发明公开了一种毛细管堵塞检测系统及方法，检测系统包括：控制器以及分别与控制器连接的第一感温元件、第二感温元件、第三感温元件和第四感温元件，通过第一感温元件检测毛细管进口温度，第二感温元件检测毛细管出口温度，第三感温元件检测压缩机吸气口温度，第四感温元件检测室外换热器出口温度，当毛细管在空调器处于开机或运行状态发生堵塞时，毛细管进口温度和毛细管出口温度相等，并且压缩机吸气口温度和室外换热器出口温度相等，因此，控制器根据各感温元件检测到的温度即可判断毛细管是否发生堵塞。可以看出，本发明公开的检测系统能够在毛细管发生堵塞时准确并及时确定故障源，且无需拆机，因此减少了拆机工作量，提高了检测效率。It can be seen from the above technical solutions that the present invention discloses a capillary blockage detection system and method, the detection system includes: a controller and a first temperature sensing element, a second temperature sensing element, and a third temperature sensing element respectively connected to the controller and the fourth temperature sensing element, the first temperature sensing element detects the capillary inlet temperature, the second temperature sensing element detects the capillary outlet temperature, the third temperature sensing element detects the compressor suction port temperature, and the fourth temperature sensing element detects the outdoor heat exchange When the capillary is blocked when the air conditioner is on or running, the inlet temperature of the capillary is equal to the outlet temperature of the capillary, and the temperature of the suction port of the compressor is equal to the outlet temperature of the outdoor heat exchanger. The temperature detected by the temperature element can determine whether the capillary is blocked. It can be seen that the detection system disclosed in the present invention can accurately and timely determine the fault source when the capillary is blocked, and does not need to dismantle the machine, thus reducing the workload of dismantling the machine and improving the detection efficiency.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据公开的附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention. For those skilled in the art, other drawings can also be obtained according to the disclosed drawings without creative work.
图1为本发明实施例公开的一种毛细管堵塞检测系统的结构示意图；FIG. 1 is a schematic structural diagram of a capillary clogging detection system disclosed in an embodiment of the present invention;
图2为本发明实施例公开的一种空调器制冷、制热循环系统的结构示意图；Fig. 2 is a structural schematic diagram of an air conditioner refrigeration and heating cycle system disclosed in an embodiment of the present invention;
图3为本发明实施例公开的另一种毛细管堵塞检测系统的结构示意图；3 is a schematic structural diagram of another capillary clogging detection system disclosed in an embodiment of the present invention;
图4为本发明实施例公开的一种毛细管堵塞检测方法的方法流程图。Fig. 4 is a flow chart of a method for detecting capillary clogging disclosed in an embodiment of the present invention.
具体实施方式detailed description
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
本发明实施例公开了一种毛细管堵塞检测系统及方法，以实现当毛细管堵塞后能够准确并及时确定故障源，减少拆机工作量，提高检测效率。The embodiment of the invention discloses a capillary clogging detection system and method, so as to accurately and timely determine the fault source when the capillary is clogged, reduce the workload of dismantling the machine, and improve the detection efficiency.
参见图1，本发明实施例公开的一种毛细管堵塞检测系统的结构示意图，包括：第一感温元件11、第二感温元件12、第三感温元件13、第四感温元件14和控制器15。Referring to FIG. 1 , a schematic structural diagram of a capillary blockage detection system disclosed in an embodiment of the present invention includes: a first temperature sensing element 11 , a second temperature sensing element 12 , a third temperature sensing element 13 , a fourth temperature sensing element 14 and controller 15.
其中，第一感温元件11用于设置在待检毛细管的进口处，检测毛细管进口温度。Wherein, the first temperature sensing element 11 is used to be arranged at the entrance of the capillary to be tested to detect the temperature at the entrance of the capillary.
第二感温元件12用于设置在待检毛细管的出口处，检测毛细管出口温度。The second temperature-sensing element 12 is used to be arranged at the outlet of the capillary to be tested to detect the outlet temperature of the capillary.
第三感温元件13用于设置在压缩机的吸气口处，检测压缩机吸气口温度。The third temperature sensing element 13 is used to be arranged at the suction port of the compressor to detect the temperature of the suction port of the compressor.
其中，压缩机与待检毛细管连接。Wherein, the compressor is connected with the capillary to be checked.
第四感温元件14用于设置在室外换热器的出口处，检测室外换热器出口温度。The fourth temperature sensing element 14 is used to be arranged at the outlet of the outdoor heat exchanger to detect the outlet temperature of the outdoor heat exchanger.
其中，室外换热器设置在待检毛细管和压缩机之间。Wherein, the outdoor heat exchanger is arranged between the capillary to be checked and the compressor.
控制器15具有信号采集端口和信号控制端口；The controller 15 has a signal acquisition port and a signal control port;
控制器15的信号采集端口分别与第一感温元件11、第二感温元件12、第三感温元件13、第四感温元件14连接，所述信号采集端口用于采集第一感温元件11检测并输出的毛细管进口温度，第二感温元件12检测并输出的毛细管出口温度，第三感温元件13检测并输出的压缩机吸气口温度和第四感温元件14检测并输出的室外换热器出口温度；The signal acquisition ports of the controller 15 are respectively connected with the first temperature sensing element 11, the second temperature sensing element 12, the third temperature sensing element 13, and the fourth temperature sensing element 14, and the signal acquisition ports are used to collect the first temperature sensing element The capillary inlet temperature detected and output by element 11, the capillary outlet temperature detected and output by the second temperature sensing element 12, the compressor suction port temperature detected and output by the third temperature sensing element 13 and the fourth temperature sensing element 14 detecting and output The outlet temperature of the outdoor heat exchanger;
控制器15的信号控制端口输出用于在空调器处于开机或运行状态时，毛细管进口温度和毛细管出口温度相等且压缩机吸气口温度和室外换热器出口温度相等时生成的控制信号。The signal control port of the controller 15 is used to output the control signal generated when the air conditioner is in the starting or running state, the capillary inlet temperature is equal to the capillary outlet temperature and the compressor suction port temperature is equal to the outdoor heat exchanger outlet temperature.
需要说明的是，实验表明，当空调器处于开机或运行状态时，若毛细管发生堵塞，制冷剂在毛细管内将无法流动，导致毛细管进口温度和毛细管出口温度相等，与此同时，压缩机空吸不做功，压缩机吸气口温度和室外换热器出口温度相等。因此，通过比较毛细管进口温度和毛细管出口温度，以及压缩机吸气口温度和室外换热器出口温度，即可判断毛细管是否发生堵塞。It should be noted that, experiments have shown that when the air conditioner is on or running, if the capillary is blocked, the refrigerant will not be able to flow in the capillary, resulting in the temperature at the capillary inlet and the capillary outlet being equal. Without doing work, the temperature at the compressor suction port is equal to the temperature at the outlet of the outdoor heat exchanger. Therefore, by comparing the capillary inlet temperature and capillary outlet temperature, as well as the compressor suction port temperature and the outdoor heat exchanger outlet temperature, it can be judged whether the capillary is blocked.
当空调器处于开机或运行状态时，为方便理解检测系统中各感温元件在空调器中的设置位置，本发明公开了如下实施例。When the air conditioner is turned on or running, the present invention discloses the following embodiments for the convenience of understanding the position of each temperature sensing element in the detection system in the air conditioner.
参见图2，本发明实施例公开的一种空调器制冷、制热循环系统的结构示意图，该循环系统包括：依次连接的待检毛细管21、室外换热器22、四通阀23、压缩机24和室内换热器25，其中，图2中的虚线箭头表示制冷循环方向，实线箭头表示制冷循环方向，四通阀23的D管分别连接E接管、S接管和C接管，E接管、S接管和C接管相互通气，产生中间流量。Referring to Fig. 2, a schematic structural diagram of an air conditioner refrigeration and heating cycle system disclosed in an embodiment of the present invention, the cycle system includes: a capillary tube 21 to be inspected, an outdoor heat exchanger 22, a four-way valve 23, a compressor connected in sequence 24 and the indoor heat exchanger 25, wherein, the dotted arrow in Fig. 2 indicates the direction of the refrigeration cycle, and the solid arrow indicates the direction of the refrigeration cycle, and the D pipes of the four-way valve 23 are respectively connected to the E connection, the S connection and the C connection, and the E connection, The S connection and the C connection communicate with each other to generate intermediate flow.
以空调器制冷为例，检测系统中的第一感温元件11设置在测点a，用于检测毛细管进口温度t1，第二感温元件12设置在测点b，用于检测毛细管出口温度t2，第三感温元件13设置在测点c，用于检测压缩机吸气口温度t3，第四感温元件14设置在测点d，用于检测室外换热器出口温度t4；Taking air conditioner refrigeration as an example, the first temperature sensing element 11 in the detection system is set at the measuring point a for detecting the capillary inlet temperature t1, and the second temperature sensing element 12 is set at the measuring point b for detecting the capillary outlet temperature t2 , the third temperature-sensing element 13 is set at the measuring point c, which is used to detect the temperature t3 of the air inlet of the compressor, and the fourth temperature-sensing element 14 is set at the measuring point d, which is used to detect the outlet temperature t4 of the outdoor heat exchanger;
控制器15获取毛细管进口温度t1、毛细管出口温度t2、压缩机吸气口温度t3和室外换热器出口温度t4，并将毛细管进口温度t1和毛细管出口温度t2进行比较，压缩机吸气口温度t3和室外换热器出口温度t4进行比较，当毛细管进口温度t1和毛细管出口温度t2相等，且压缩机吸气口温度t3和室外换热器出口温度t4相等时，判定待检毛细管21发生堵塞。The controller 15 obtains the capillary inlet temperature t1, the capillary outlet temperature t2, the compressor inlet temperature t3 and the outdoor heat exchanger outlet temperature t4, and compares the capillary inlet temperature t1 with the capillary outlet temperature t2, and the compressor inlet temperature Compare t3 with the outlet temperature t4 of the outdoor heat exchanger. When the capillary inlet temperature t1 is equal to the capillary outlet temperature t2, and the compressor suction port temperature t3 is equal to the outdoor heat exchanger outlet temperature t4, it is determined that the capillary 21 to be tested is blocked. .
需要说明的是，当毛细管进口温度t1和毛细管出口温度t2相等，且压缩机吸气口温度t3和室外换热器出口温度t4不相等时，表明待检毛细管21处于绝热状态，但不影响空调器的正常运行。It should be noted that when the capillary inlet temperature t1 is equal to the capillary outlet temperature t2, and the compressor suction port temperature t3 is not equal to the outdoor heat exchanger outlet temperature t4, it indicates that the capillary 21 to be tested is in an adiabatic state, but it does not affect the air conditioner. normal operation of the device.
当毛细管进口温度t1和毛细管出口温度t2不相等，且压缩机吸气口温度t3和室外换热器出口温度t4相等时，表明空调器的截止阀可能没有打开，从而导致空调器空吸，但是待检毛细管21可以发挥正常作用。When the capillary inlet temperature t1 and the capillary outlet temperature t2 are not equal, and the compressor suction port temperature t3 and the outdoor heat exchanger outlet temperature t4 are equal, it indicates that the shut-off valve of the air conditioner may not be opened, resulting in air suction of the air conditioner, but The capillary 21 to be checked can function normally.
当毛细管进口温度t1和毛细管出口温度t2不相等，且压缩机吸气口温度t3和室外换热器出口温度t4不相等时，表明空调器正常运行。When the capillary inlet temperature t1 is not equal to the capillary outlet temperature t2, and the compressor suction port temperature t3 is not equal to the outdoor heat exchanger outlet temperature t4, it indicates that the air conditioner is operating normally.
综上可知，本发明公开的毛细管堵塞检测系统包括：控制器15以及分别与控制器15连接的第一感温元件11、第二感温元件12、第三感温元件13和第四感温元件14，通过第一感温元件11检测毛细管进口温度，第二感温元件12检测毛细管出口温度，第三感温元件13检测压缩机吸气口温度，第四感温元件14检测室外换热器出口温度，当毛细管在空调器处于开机或运行状态发生堵塞时，毛细管进口温度和毛细管出口温度相等，并且压缩机吸气口温度和室外换热器出口温度相等，因此，控制器15根据各感温元件检测到的温度即可判断毛细管是否发生堵塞。所以本发明公开的毛细管检测系统能够在毛细管发生堵塞时准确并及时确定故障源，且无需拆机，因此减少了拆机工作量，提高了检测效率，进而提高了维修效率。In summary, the capillary clogging detection system disclosed in the present invention includes: a controller 15 and a first temperature sensing element 11, a second temperature sensing element 12, a third temperature sensing element 13 and a fourth temperature sensing element respectively connected to the controller 15. The element 14 detects the capillary inlet temperature through the first temperature sensing element 11, the second temperature sensing element 12 detects the capillary outlet temperature, the third temperature sensing element 13 detects the compressor suction port temperature, and the fourth temperature sensing element 14 detects the outdoor heat exchange When the capillary is blocked when the air conditioner is on or running, the inlet temperature of the capillary is equal to the outlet temperature of the capillary, and the temperature of the suction port of the compressor is equal to the outlet temperature of the outdoor heat exchanger. Therefore, the controller 15 The temperature detected by the temperature sensing element can determine whether the capillary is blocked. Therefore, the capillary detection system disclosed in the present invention can accurately and timely determine the fault source when the capillary is blocked, and does not need to dismantle the machine, thus reducing the workload of dismantling the machine, improving the detection efficiency, and further improving the maintenance efficiency.
优选的，第一感温元件11、第二感温元件12、第三感温元件13和第四感温元件14均可以为温度传感器。Preferably, the first temperature sensing element 11 , the second temperature sensing element 12 , the third temperature sensing element 13 and the fourth temperature sensing element 14 can all be temperature sensors.
可以理解的是，当检测到待检毛细管发生堵塞时，可以向维修人员发出警告提示信息，以便维修人员以及采取有效措施，确保压缩机不会空吸和过热，从而延长压缩机的工作寿命，并降低空调器的运行功耗。It can be understood that, when it is detected that the capillary to be checked is blocked, a warning message can be sent to the maintenance personnel, so that the maintenance personnel can take effective measures to ensure that the compressor will not be sucked and overheated, thereby prolonging the working life of the compressor. And reduce the operating power consumption of the air conditioner.
因此，为进一步优化上述实施例，参见图3，本发明另一实施例公开的一种毛细管堵塞检测系统的结构示意图，在图1所示实施例的基础上，还可以包括：报警器16；Therefore, in order to further optimize the above embodiment, see FIG. 3 , which is a schematic structural diagram of a capillary clogging detection system disclosed in another embodiment of the present invention. On the basis of the embodiment shown in FIG. 1 , it may further include: an alarm 16;
报警器16与控制器15的信号控制端口连接，报警器16用于获取控制器15的信号控制端口输出的控制信号，并根据该控制信号报警。The alarm device 16 is connected to the signal control port of the controller 15, and the alarm device 16 is used to obtain the control signal output by the signal control port of the controller 15, and to alarm according to the control signal.
优选的，报警器可以为声音报警器(例如喇叭)、光报警器(例如当检测到毛细管发生堵塞时，报警器闪红灯)或声光报警器。Preferably, the alarm can be an audible alarm (such as a horn), a light alarm (such as a flashing red light when the capillary is detected to be blocked), or an audible and visual alarm.
可以理解的是，当检测系统检测到毛细管发生堵塞时，还可以提示信息的形式告知维修人员。It can be understood that when the detection system detects that the capillary is blocked, it can also notify the maintenance personnel in the form of prompt information.
因此，为进一步优化上述实施例，毛细管堵塞检测系统还可以包括：显示器17；Therefore, in order to further optimize the above embodiment, the capillary clogging detection system may further include: a display 17;
显示器17与控制器15的信号控制端口连接，显示器17用于获取控制器15的信号控制端口输出的控制信号，并根据该控制信号显示提示信息，该提示信息用于提示待检毛细管发生堵塞。The display 17 is connected to the signal control port of the controller 15, and the display 17 is used to obtain the control signal output by the signal control port of the controller 15, and display prompt information according to the control signal, and the prompt information is used to prompt that the capillary to be checked is blocked.
需要说明的是，显示器17还可以显示与毛细管堵塞对应的故障代码。It should be noted that the display 17 may also display a fault code corresponding to capillary blockage.
显示器17的显示内容具体依据实际需要而定，本发明在此不做限定。The display content of the display 17 is determined according to actual needs, which is not limited in the present invention.
综上可知，本发明公开的毛细管检测系统能够在毛细管发生堵塞时准确并及时确定故障源，且无需拆机，因此减少了拆机工作量，提高了检测效率，进而提高了维修效率。In summary, the capillary detection system disclosed in the present invention can accurately and timely determine the source of the fault when the capillary is blocked without dismantling the machine, thus reducing the workload of dismantling the machine, improving detection efficiency, and further improving maintenance efficiency.
与上述系统实施例相对应，本发明还公开了一种毛细管检测方法。Corresponding to the above system embodiment, the present invention also discloses a capillary detection method.
参见图4，本发明实施例公开的一种毛细管堵塞检测方法的方法流程图，该检测方法应用于控制器15，包括步骤：Referring to FIG. 4 , a method flow chart of a capillary blockage detection method disclosed in an embodiment of the present invention, the detection method is applied to the controller 15, and includes steps:
步骤S11、获取毛细管进口温度、毛细管出口温度、压缩机吸气口温度和室外换热器出口温度；Step S11, obtaining the capillary inlet temperature, the capillary outlet temperature, the compressor suction port temperature and the outdoor heat exchanger outlet temperature;
步骤S12、将所述毛细管进口温度和所述毛细管出口温度进行比较，并将所述压缩机吸气口温度和所述室外换热器出口温度进行比较，以判断待检毛细管是否发生堵塞；Step S12, comparing the capillary inlet temperature with the capillary outlet temperature, and comparing the compressor inlet temperature with the outdoor heat exchanger outlet temperature to determine whether the capillary to be checked is blocked;
步骤S13、当所述毛细管进口温度和所述毛细管出口温度相等，且所述压缩机吸气口温度和所述室外换热器出口温度相等时，判定所述待检毛细管发生堵塞。Step S13, when the capillary inlet temperature is equal to the capillary outlet temperature, and the compressor suction port temperature is equal to the outdoor heat exchanger outlet temperature, it is determined that the capillary to be checked is blocked.
综上可知，本发明通过获取毛细管进口温度、毛细管出口温度、压缩机吸气口温度和室外换热器出口温度，并将毛细管进口温度和毛细管出口温度进行比较，将压缩机吸气口温度和室外换热器出口温度进行比较，实现对待检毛细管是否出现堵塞的判断，并在毛细管进口温度和毛细管出口温度相等，且压缩机吸气口温度和室外换热器出口温度相等时，判定待检毛细管发生堵塞。由于毛细管进口温度、毛细管出口温度、压缩机吸气口温度和室外换热器出口温度均是在空调器未拆机的情况下采集的，因此，本发明实现了当毛细管发生堵塞后，在无需拆机的情况下，能够准确并及时确定故障源，从而减少了拆机工作量，提高了检测效率。In summary, the present invention obtains the capillary inlet temperature, the capillary outlet temperature, the compressor inlet temperature and the outdoor heat exchanger outlet temperature, and compares the capillary inlet temperature with the capillary outlet temperature, and compares the compressor inlet temperature with the capillary outlet temperature. Compare the outlet temperature of the outdoor heat exchanger to realize the judgment of whether the capillary to be inspected is blocked, and when the inlet temperature of the capillary is equal to the outlet temperature of the capillary, and the temperature of the suction port of the compressor is equal to the outlet temperature of the outdoor heat exchanger, it is judged that the capillary is to be inspected Capillary blocked. Since the capillary inlet temperature, the capillary outlet temperature, the compressor inlet temperature and the outdoor heat exchanger outlet temperature are all collected when the air conditioner is not disassembled, the present invention realizes that when the capillary is blocked, the In the case of dismantling the machine, the fault source can be accurately and timely determined, thereby reducing the workload of dismantling the machine and improving the detection efficiency.
为进一步优化上述实施例，还可以包括步骤：In order to further optimize the above-described embodiment, steps may also be included:
步骤S14、当待检毛细管发生堵塞时，生成控制信号，所述控制信号用于控制报警器报警。Step S14, when the capillary to be detected is blocked, a control signal is generated, and the control signal is used to control the alarm to alarm.
可以理解的是，当检测系统检测到毛细管发生堵塞时，还可以提示信息的形式告知维修人员。It can be understood that when the detection system detects that the capillary is blocked, it can also notify the maintenance personnel in the form of prompt information.
因此，为进一步优化上述实施例，还可以包括步骤：Therefore, in order to further optimize the foregoing embodiment, steps may also be included:
步骤S15、当待检毛细管发生堵塞时，生成控制信号，所述控制信号用于控制显示器显示用于提示待检毛细管发生堵塞的提示信息。Step S15 , when the capillary to be checked is blocked, a control signal is generated, and the control signal is used to control the display to display prompt information for prompting that the capillary to be checked is blocked.
最后，还需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相等要素。Finally, it should also be noted that in this text, relational terms such as first and second etc. are only used to distinguish one entity or operation from another, and do not necessarily require or imply that these entities or operations, any such actual relationship or order exists. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional equivalent elements in the process, method, article, or apparatus comprising said element.
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相等相似部分互相参见即可。Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the equivalent and similar parts of each embodiment can be referred to each other.
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
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