Refrigerant control method and apparatus for dehumidifier

Abstract

The disclosure discloses a refrigerant control method for a dehumidifier. The method includes that: an environment temperature and an evaporator tube temperature of a dehumidifier are detected; according to the environment temperature and the evaporator tube temperature, a refrigerant leakage amount of the dehumidifier is obtained; and according to the refrigerant leakage amount, it is judged whether the dehumidifier has a refrigerant fault. The disclosure also discloses a refrigerant control apparatus for a dehumidifier.

1 . A refrigerant control method for a dehumidifier, comprising:
 detecting an environment temperature and an evaporator tube temperature of a dehumidifier;   obtaining a refrigerant leakage amount of the dehumidifier according to the environment temperature and the evaporator tube temperature; and   judging whether the dehumidifier has a refrigerant fault according to the refrigerant leakage amount.   
     
     
         2 . The refrigerant control method according to  claim 1 , wherein obtaining the refrigerant leakage amount of the dehumidifier according to the environment temperature and the evaporator tube temperature comprises:
 calculating a difference between the environment temperature and the evaporator tube temperature; and   obtaining the refrigerant leakage amount corresponding to the difference.   
     
     
         3 . The refrigerant control method according to  claim 1 , wherein judging whether the dehumidifier has the refrigerant fault according to the refrigerant leakage amount comprises:
 reading a dehumidification ability parameter of the dehumidifier, corresponding to the refrigerant leakage amount, from a pre-set database;   detecting whether the dehumidification ability parameter within a pre-set dehumidification ability range; and   determining that the refrigerant of the dehumidifier is faulty under the condition that the dehumidification ability parameter does not within the pre-set dehumidification ability range.   
     
     
         4 . The refrigerant control method according to  claim 3 , wherein after it is detected whether the dehumidification ability parameter within the pre-set dehumidification ability range, the method further comprises:
 collecting an exhaust temperature of the dehumidifier under a condition that the dehumidification ability parameter within the pre-set dehumidification ability range;   detecting whether the exhaust temperature within a pre-set temperature range;   determining that the refrigerant of the dehumidifier is faulty under the condition that the exhaust temperature does not within the pre-set temperature range; and   determining that the refrigerant of the dehumidifier is normal under the condition that the exhaust temperature within the pre-set temperature range.   
     
     
         5 . The refrigerant control method according to  claim 1 , wherein detecting the environment temperature and the evaporator tube temperature of the dehumidifier comprises:
 starting a timer after the dehumidifier is started, and recording starting time of the dehumidifier;   detecting whether the starting time within a pre-set time range;   detecting the environment temperature and the evaporator tube temperature of the dehumidifier under the condition that the starting time within the pre-set time range; and   continuously recording the starting time under the condition that the starting time does not within the pre-set time range.   
     
     
         6 . The refrigerant control method according to  claim 1 , wherein after it is judged whether the dehumidifier has the refrigerant fault according to the refrigerant leakage amount, the method further comprises:
 not reporting, by a controller, the refrigerant fault and controlling the dehumidifier to continuously run under the condition that the dehumidifier does not have the refrigerant fault; and   giving, by the controller, a refrigerant fault alarm, and/or controlling, by the controller, the dehumidifier to stop under the condition that the dehumidifier has the refrigerant fault.   
     
     
         7 . A refrigerant control apparatus for a dehumidifier, comprising:
 a first temperature detection module, configured to detect an environment temperature and an evaporator tube temperature of a dehumidifier;   a data obtaining module, configured to obtain a refrigerant leakage amount of the dehumidifier according to the environment temperature and the evaporator tube temperature; and   a fault obtaining module, configured to judge whether the dehumidifier has a refrigerant fault according to the refrigerant leakage amount.   
     
     
         8 . The refrigerant control apparatus according to  claim 7 , wherein the data obtaining module comprises:
 a calculation module, configured to calculate a difference between the environment temperature and the evaporator tube temperature; and   an obtaining sub-module, configured to obtain the refrigerant leakage amount corresponding to the difference.   
     
     
         9 . The refrigerant control apparatus according to  claim 7 , wherein the fault obtaining module comprises:
 a reading module, configured to read a dehumidification ability parameter of the dehumidifier, corresponding to the refrigerant leakage amount, from a pre-set database;   a dehumidification detection module, configured to detect whether the dehumidification ability parameter within a pre-set dehumidification ability range; and   a first fault obtaining sub-module, configured to determine that the refrigerant of the dehumidifier is faulty under the condition that the dehumidification ability parameter does not within the pre-set dehumidification ability range.   
     
     
         10 . The refrigerant control apparatus according to  claim 9 , further comprising:
 a collection module, configured to collect an exhaust temperature of the dehumidifier under the condition that the dehumidification ability parameter within the pre-set dehumidification ability range;   a second temperature detection module, configured to detect whether the exhaust temperature within a pre-set temperature range;   a second fault obtaining sub-module, configured to determine that the refrigerant of the dehumidifier is faulty under the condition that the exhaust temperature does not within the pre-set temperature range; and   a third fault obtaining sub-module, configured to determine that the refrigerant of the dehumidifier is normal under the condition that the exhaust temperature within the pre-set temperature range.   
     
     
         11 . The refrigerant control apparatus according to  claim 7 , wherein the first temperature detection module comprises:
 a first recording module, configured to start a timer after the dehumidifier is started and record starting time of the dehumidifier;   a time detection module, configured to detect whether the starting time within a pre-set time range;   a third temperature detection module, configured to detect the environment temperature and the evaporator tube temperature of the dehumidifier under the condition that the starting time within the pre-set time range; and   a second recording module, configured to continuously record the starting time under the condition that the starting time does not within the pre-set time range.   
     
     
         12 . The refrigerant control apparatus according to  claim 7 , further comprising:
 a continuous running module, configured to control the dehumidifier to continuously run by a controller without reporting of the refrigerant fault under the condition that the dehumidifier does not have the refrigerant fault; and   an alarming and stopping module, configured to give a refrigerant fault alarm by the controller and/or control the dehumidifier to stop by the controller under the condition that the dehumidifier has the refrigerant fault.   
     
     
         13 . The refrigerant control method according to  claim 2 , wherein after it is judged whether the dehumidifier has the refrigerant fault according to the refrigerant leakage amount, the method further comprises:
 not reporting, by a controller, the refrigerant fault and controlling the dehumidifier to continuously run under the condition that the dehumidifier does not have the refrigerant fault; and   giving, by the controller, a refrigerant fault alarm, and/or controlling, by the controller, the dehumidifier to stop under the condition that the dehumidifier has the refrigerant fault.   
     
     
         14 . The refrigerant control method according to  claim 3 , wherein after it is judged whether the dehumidifier has the refrigerant fault according to the refrigerant leakage amount, the method further comprises:
 not reporting, by a controller, the refrigerant fault and controlling the dehumidifier to continuously run under the condition that the dehumidifier does not have the refrigerant fault; and   giving, by the controller, a refrigerant fault alarm, and/or controlling, by the controller, the dehumidifier to stop under the condition that the dehumidifier has the refrigerant fault.   
     
     
         15 . The refrigerant control method according to  claim 4 , wherein after it is judged whether the dehumidifier has the refrigerant fault according to the refrigerant leakage amount, the method further comprises:
 not reporting, by a controller, the refrigerant fault and controlling the dehumidifier to continuously run under the condition that the dehumidifier does not have the refrigerant fault; and   giving, by the controller, a refrigerant fault alarm, and/or controlling, by the controller, the dehumidifier to stop under the condition that the dehumidifier has the refrigerant fault.   
     
     
         16 . The refrigerant control method according to  claim 5 , wherein after it is judged whether the dehumidifier has the refrigerant fault according to the refrigerant leakage amount, the method further comprises:
 not reporting, by a controller, the refrigerant fault and controlling the dehumidifier to continuously run under the condition that the dehumidifier does not have the refrigerant fault; and   giving, by the controller, a refrigerant fault alarm, and/or controlling, by the controller, the dehumidifier to stop under the condition that the dehumidifier has the refrigerant fault.   
     
     
         17 . The refrigerant control apparatus according to  claim 8 , further comprising:
 a continuous running module, configured to control the dehumidifier to continuously run by a controller without reporting of the refrigerant fault under the condition that the dehumidifier does not have the refrigerant fault; and   an alarming and stopping module, configured to give a refrigerant fault alarm by the controller and/or control the dehumidifier to stop by the controller under the condition that the dehumidifier has the refrigerant fault.   
     
     
         18 . The refrigerant control apparatus according to  claim 9 , further comprising:
 a continuous running module, configured to control the dehumidifier to continuously run by a controller without reporting of the refrigerant fault under the condition that the dehumidifier does not have the refrigerant fault; and   an alarming and stopping module, configured to give a refrigerant fault alarm by the controller and/or control the dehumidifier to stop by the controller under the condition that the dehumidifier has the refrigerant fault.   
     
     
         19 . The refrigerant control apparatus according to  claim 10 , further comprising:
 a continuous running module, configured to control the dehumidifier to continuously run by a controller without reporting of the refrigerant fault under the condition that the dehumidifier does not have the refrigerant fault; and   an alarming and stopping module, configured to give a refrigerant fault alarm by the controller and/or control the dehumidifier to stop by the controller under the condition that the dehumidifier has the refrigerant fault.   
     
     
         20 . The refrigerant control apparatus according to  claim 11 , further comprising:
 a continuous running module, configured to control the dehumidifier to continuously run by a controller without reporting of the refrigerant fault under the condition that the dehumidifier does not have the refrigerant fault; and   an alarming and stopping module, configured to give a refrigerant fault alarm by the controller and/or control the dehumidifier to stop by the controller under the condition that the dehumidifier has the refrigerant fault.