CN107328022A - The control method and mobile air-conditioner of mobile air-conditioner - Google Patents
The control method and mobile air-conditioner of mobile air-conditioner Download PDFInfo
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- CN107328022A CN107328022A CN201710542261.XA CN201710542261A CN107328022A CN 107328022 A CN107328022 A CN 107328022A CN 201710542261 A CN201710542261 A CN 201710542261A CN 107328022 A CN107328022 A CN 107328022A
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- 238000000034 method Methods 0.000 title claims abstract description 52
- 239000003507 refrigerant Substances 0.000 claims abstract description 91
- 238000001514 detection method Methods 0.000 claims abstract description 45
- 239000002826 coolant Substances 0.000 abstract description 13
- 230000001276 controlling effect Effects 0.000 description 8
- 230000000875 corresponding effect Effects 0.000 description 5
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The present invention relates to a kind of control method of mobile air-conditioner and mobile air-conditioner, the secondary refrigerant leakage for controlling mobile air-conditioner.The control method includes：The ambient concentration of cold media gas is detected by the refrigerant detection sensor；Whether the ambient concentration for judging the cold media gas by the controller is more than or equal to threshold concentration, can effectively control the secondary refrigerant leakage of mobile air-conditioner.If the ambient concentration of the cold media gas is more than or equal to the threshold concentration, the compressor, the blower fan is controlled to reduce the ambient concentration of the cold media gas by the controller.The control method of the mobile air-conditioner is that detection and control coolant leakage provide a kind of safe handling measure, eliminates potential safety hazard, it is to avoid the generation of major accident.
Description
Technical field
The present invention relates to technical field of electricity, the control method and mobile air conditioner of more particularly to a kind of mobile air-conditioner
Device.
Background technology
Mobile air-conditioner is placed in the air regulator of interior, at present, and the refrigerant in mobile air-conditioner may be using tool
There is the dangerous medium such as inflammable and explosive.Mobile air-conditioner is once occur if secondary refrigerant leakage can not be handled in time again, just
Potential safety hazard can be caused, jeopardize people and the thing of interior.Mobile air-conditioner refrigerant is once revealed, it is easy to cause the damage that can not be made up
Lose.
The content of the invention
Based on this, it is necessary to which there is provided a kind of mobile air conditioner for the problem of being detected for traditional mobile air-conditioner secondary refrigerant leakage
The control method and mobile air-conditioner of device, the secondary refrigerant leakage for controlling mobile air-conditioner.
A kind of control method of mobile air-conditioner, the secondary refrigerant leakage for controlling mobile air-conditioner, the mobile air-conditioner
Including compressor, blower fan, refrigerant detection sensor and with the compressor, the blower fan, the refrigerant detection sensor electricity
The controller of connection, the control method includes：
The ambient concentration of cold media gas is detected by the refrigerant detection sensor；
Whether the ambient concentration for judging the cold media gas by the controller is more than or equal to threshold concentration；
If the ambient concentration of the cold media gas is more than or equal to the threshold concentration, institute is controlled by the controller
Compressor, the blower fan is stated to reduce the ambient concentration of the cold media gas.
In one embodiment, in the step of the ambient concentration that cold media gas is detected by the refrigerant detection sensor
Before rapid, the control method also includes：
Obtain the running status of the mobile air-conditioner in real time by the controller, the running status includes：It is standby
State and refrigerating state.
In one embodiment, when the mobile air-conditioner is in holding state, if the ring of the cold media gas
Border concentration is more than or equal to the threshold concentration, then controls the compressor, the blower fan by the controller to reduce
The step of ambient concentration for stating cold media gas is specially：The preset time of blower fan air draft first is controlled by the controller.
In one embodiment, when the mobile air-conditioner is in holding state, the control method also includes：
If the ambient concentration of the cold media gas is less than the threshold concentration, the movement is controlled by the controller
Air conditioner keeps normal Standby state.
In one embodiment, when the mobile air-conditioner is in refrigerating state, if the ring of the cold media gas
Border concentration is more than or equal to the threshold concentration, then controls the compressor, the blower fan by the controller to reduce
The step of ambient concentration for stating cold media gas is specially：The compressor is controlled to close by the controller, and by described
Controller controls to close after the preset time of blower fan air draft second.
In one embodiment, when the mobile air-conditioner is in refrigerating state, the control method also includes：
If the ambient concentration of the cold media gas is less than the threshold concentration, the movement is controlled by the controller
Air conditioner keeps normal refrigerating state.
In one embodiment, the mobile air-conditioner also includes temperature-detecting device, and the control method also includes：
The temperature difference of environment temperature and inner disc temperature is detected by the temperature-detecting device；
Judge whether the temperature difference is more than or equal to threshold temperature by the controller；
If the temperature difference is less than or equal to the threshold temperature, the compression office is controlled by described control unit
Close, and closing after the preset time of blower fan air draft the 3rd is controlled by described control unit.
In one embodiment, if the temperature difference is more than the threshold temperature, described move is controlled by the controller
Dynamic air conditioner keeps normal refrigerating state.
In one embodiment, the mobile air-conditioner also includes warning device, and the control method also includes：
If the ambient concentration of the cold media gas is more than or equal to the threshold concentration or the temperature difference is less than or equal to institute
Threshold temperature is stated, then sending audible and visible alarm by the warning device points out, and closes the movement by described control unit
All forceful electric power output of air conditioner.
A kind of mobile air-conditioner, the secondary refrigerant leakage for controlling mobile air-conditioner, including：Compressor and blower fan, and：
For the refrigerant detection sensor for the ambient concentration for detecting cold media gas；
The controller electrically connected with the refrigerant detection sensor, the controller is used for the ring for judging the cold media gas
Whether border concentration is more than or equal to threshold concentration；
If the ambient concentration of the cold media gas is more than or equal to the threshold concentration, the controller is additionally operable to control institute
Compressor, the blower fan is stated to reduce the ambient concentration of the cold media gas.
The present invention provides a kind of control method for the secondary refrigerant leakage for controlling mobile air-conditioner.The controlling party of the mobile air conditioner
Method, can detect whether the refrigerant of mobile air-conditioner leaks, and can in time control, pacify detecting after refrigerant is leaked
Full processing, eliminate potential safety hazard, it is to avoid the generation of major accident.
Brief description of the drawings
Fig. 1 is the control method flow chart of mobile air-conditioner in one embodiment of the invention；
Fig. 2 is the control method flow chart of mobile air-conditioner in one embodiment of the invention；
Fig. 3 is the control method flow chart of mobile air-conditioner in one embodiment of the invention；
Fig. 4 is the control method flow chart of mobile air-conditioner in one embodiment of the invention；
Fig. 5 is the control method flow chart of mobile air-conditioner in one embodiment of the invention；
Fig. 6 is the structural representation of mobile air-conditioner in one embodiment of the invention；
Fig. 7 is the part-structure schematic diagram of mobile air-conditioner in one embodiment of the invention.
Drawing reference numeral explanation：
Mobile air-conditioner 100
Refrigerant detection sensor 101
Control unit 102
Output control switch 103
Warning device 104
Temperature-detecting device 105
Compressor 110
Blower fan 120
Condenser 130
Choke valve 140
Evaporator 150
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with drawings and Examples pair
The control method and mobile air-conditioner of the mobile air-conditioner of the present invention are further described.It should be appreciated that described herein
Specific embodiment only to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, a kind of control method of mobile air-conditioner is provided, the secondary refrigerant leakage for controlling mobile air-conditioner,
The mobile air-conditioner 100 include compressor 110, blower fan 120, refrigerant detection sensor 101 and with the compressor 110,
The blower fan 120, the controller 102 of the refrigerant detection sensor 101 electrical connection, the control method include：
S100, the ambient concentration of cold media gas is detected by the refrigerant detection sensor 101；
The mobile air-conditioner 100 includes compressor 110, blower fan 120, condenser 130, choke valve 140, evaporator 150
Deng.Refrigerant in the mobile air-conditioner 100 is colorless and odorless, inflammable and explosive propane (R290).R290 is a kind of Novel ring
Refrigerant is protected, is mainly used in central air-conditioning, heat pump air conditioner, domestic air conditioning, mobile air-conditioner and other small-type refrigeration appliances.It is described
Refrigerant detection sensor 101 is used for the ambient concentration for detecting cold media gas R290.Because refrigerant R290 molecular weight is 44.096,
Relative molecular weight 29 than air is big, so the R290 refrigerants leaked can sink.Simultaneously in view of mobile air-conditioner production
Product structure, the evaporator 150 of the mobile air-conditioner 100 is on the top of complete machine, and the condenser 130 is under complete machine
Portion, so the refrigerant detection sensor 101 to be arranged on to the bottom of the fuselage of mobile air-conditioner 100.The refrigerant detection
Sensor 101 is arranged at the underbelly of the mobile air-conditioner 100, near the condenser 130.Because setting herein
Place, the refrigerant detection sensor 101 can more accurately and effectively detect that R290 leaks concentration.The refrigerant detector 101 is real
When monitor cold media gas ambient concentration.Set some moment, the cold media gas that the refrigerant detection sensor 101 is detected
Ambient concentration be R1。
S200, judges whether the ambient concentration of the cold media gas is more than or equal to threshold value dense by the controller 102
Degree；
The controller 102 is electrically connected with the refrigerant detection sensor 101.The controller 102 receives the refrigerant
The ambient concentration R of gas1.The controller 102 has the setting value to refrigerant R290 concentration, i.e. threshold concentration R0.The control
Device 102 is by the ambient concentration R of the cold media gas1With the threshold concentration R0It is compared, judges the environment of the cold media gas
Concentration R1Whether the threshold concentration R is more than or equal to0。
S300, if the ambient concentration of the cold media gas is more than or equal to the threshold concentration, passes through the controller
102 control the compressors 110, the blower fan 120 to reduce the ambient concentration of the cold media gas.
The ambient concentration R of the cold media gas1More than or equal to the threshold concentration R0When, then judge the mobile air conditioner
Device 100 there occurs coolant leakage.Control the blower fan 120 to open reasonable time by the controller 102, be then shut off.
The refrigerant and air near mobile air conditioner can be so will leak out, the exhaust duct carried by mobile air conditioner is pumped to outdoor
In air, the refrigerant concentration in indoor environment is reduced.Meanwhile, if the compressor 110 is in opening, close described
Compressor 110, it is to avoid the compressor 110 continues powerful work in the state of coolant leakage.
If it is appreciated that the ambient concentration of the cold media gas is more than or equal to the threshold concentration, institute can also be passed through
Stating controller 102 controls the compressor 110 and the blower fan 120 to perform corresponding operation, dense to reduce the refrigerant in environment
Degree.Such as：The reduction power of compressor 110 or gear that can be appropriate, improve the operation power or shelves of the blower fan 120
Position.The control of 102 pairs of the controller mobile air-conditioner 100, can reach the purpose of reduction ambient concentration.
There is provided a kind of control method of mobile air-conditioner in the present embodiment, mobile air-conditioner can be effectively controlled
Secondary refrigerant leakage.By the refrigerant concentration in the refrigerant detection sensor 101 in real time detection environment, and testing result is passed in real time
It is defeated to the controller 102 being electrically connected.When judging that mobile air-conditioner is leaked by the controller 102, then control
Make the compressor 110, the blower fan 120 and perform corresponding safety operation, to reduce the concentration of refrigerant in environment.The movement
The control method of air conditioner 100 eliminates potential safety hazard to detect and controlling coolant leakage to provide a kind of safe handling measure,
Avoid the generation of major accident.
Referring to Fig. 2, in one embodiment, in the S100, refrigerant is detected by the refrigerant detection sensor 101
Before the step of ambient concentration of gas, the control method also includes：
S10, the running status of the mobile air-conditioner 100, the running status are obtained by the controller 102 in real time
Including：Holding state and refrigerating state.
In the present embodiment, the control after detection can be caused because the mobile air-conditioner 100 is in different running statuses
Device 102 processed performs different control instructions.Accordingly, it would be desirable to which the controller 102 obtains the fortune of the mobile air-conditioner 100 in real time
Row state.Detect the ambient concentration of cold media gas in real time by the refrigerant detection sensor 101.Pass through the controller 102
Judge whether the ambient concentration of the cold media gas is more than or equal to threshold concentration.The ambient concentration of the cold media gas is once big
In or equal to the threshold concentration, then the controller 102 is just according to the different control instructions of different running status execution.Institute
The status information of mobile air-conditioner 100 can be detected in real time by stating controller 102 so that the control method is more intelligent, keeps away
Exempt from the Wrong control to the compressor 110 or the blower fan 120, and bring unnecessary loss.
For example：In holding state, once the ambient concentration of the cold media gas is detected once being more than or equal to the threshold
It is worth concentration, then the controller 102 just controls the blower fan 120 to open.The blower fan 120 runs reasonable time, will leak out
Refrigerant near the mobile air-conditioner 100, the exhaust duct carried by the mobile air-conditioner 100 is pumped to outdoor big
In gas, the concentration that refrigerant is leaked in room air is reduced.
In one embodiment, when the mobile air-conditioner 100 is in holding state, the S300, if the refrigerant
The ambient concentration of gas is more than or equal to the threshold concentration, then controls the compressor 110, institute by the controller 102
The step of stating ambient concentration of the blower fan 120 to reduce the cold media gas be specially：
S301, first preset time of air draft of blower fan 120 is controlled by the controller 102.
It is appreciated that the blower fan 120 can include fan and lower blower fan.It is to reduce interior to open blower fan operating
The concentration of the leakage refrigerant of air.Because the mobile air-conditioner 100 is in holding state, therefore the blower fan 120 is previous
Individual state is to close.After coolant leakage is detected, the controller 102 controls the blower fan 120 to open, the blower fan
120 the first preset times of air draft, are then shut off.It is appreciated that first preset time here can be according to mobile air conditioner
Varying environment residing for device is configured.In one embodiment, first preset time is set to 30 seconds.
In one embodiment, when the mobile air-conditioner 100 is in holding state, the control method also includes：
S302, if the ambient concentration of the cold media gas is less than the threshold concentration, is controlled by the controller 102
The mobile air-conditioner 100 keeps normal Standby state.
If it is appreciated that the ambient concentration of the cold media gas is less than the threshold concentration, then it is assumed that refrigerant does not occur
Even if leakage has the refrigerant concentration in a small amount of leakage, environment to be not reaching to the threshold concentration, then control is described to move
Dynamic air conditioner 100 keeps normal Standby state.
Referring to Fig. 3, in one embodiment, when the mobile air-conditioner 100 is in refrigerating state, the S300,
If the ambient concentration of the cold media gas is more than or equal to the threshold concentration, the pressure is controlled by the controller 102
The step of ambient concentration to reduce the cold media gas of contracting machine 110, the blower fan 120 is specially：
S311, if the ambient concentration of the cold media gas is more than or equal to the threshold concentration, passes through the controller
The 102 control compressors 110 are closed, and are controlled by the controller 102 after second preset time of air draft of blower fan 120
Close.
It is appreciated that mobile air-conditioner 100 described in the present embodiment is in refrigerating state, i.e., described compressor 110 and institute
Blower fan 120 is stated all in working condition.When the ambient concentration of the cold media gas is more than or equal to the threshold concentration, then judge
Refrigerant is leaked.After refrigerant is leaked, then the compressor 110 is closed by the controller 102 control, controlled simultaneously
The blower fan 120 runs and closed after the second preset time.Here second preset time can also be according to specific circumstances
Designed, designed.The specific time of the air draft of blower fan 120 can according to residing for the mobile air-conditioner 100 space environment size
It is adjusted.
In one embodiment, when the mobile air-conditioner 100 is in refrigerating state, the control method also includes：
S312, if the ambient concentration of the cold media gas is less than the threshold concentration, is controlled by the controller 102
The mobile air-conditioner 100 keeps normal refrigerating state.
It is also understood that in refrigerating state, if the ambient concentration of the cold media gas is less than the threshold concentration,
Even if thinking that refrigerant does not occur to leak or to have the refrigerant concentration in a small amount of leakage, environment to be not reaching to the threshold value dense
Degree, then the control mobile air-conditioner 100 keeps normal refrigerating state or the state to the mobile air-conditioner 100
Further judged.
Referring to Fig. 4, in one embodiment, the mobile air-conditioner 100 also includes temperature-detecting device 105；
The control method also includes：
S400, the temperature difference of environment temperature and inner disc temperature is detected by the temperature-detecting device 105；
It is appreciated that the temperature-detecting device 105 can be temperature sensor etc. can detect in real time environment temperature and
The device of the inner disc temperature.The environment temperature is the environment temperature in the place space of mobile air-conditioner 100.The inner disc
Temperature is the temperature on the pipeline of evaporator 150 of the mobile air-conditioner 100.The system of mobile air-conditioner 100 does not occur
Under the normal refrigerating state of coolant leakage, the numerical value of the inner disc temperature detected is more much lower than environment temperature.If institute
Stating environment temperature and the inner disc temperature, to differ seldom either numerical value identical, then it is assumed that the mobile air-conditioner 100 occurs
Coolant leakage.For example：The temperature-detecting device 105 detects the environment temperature for T1, the inner disc temperature is T2, then institute
State temperature difference T=T1-T2。
S410, judges whether the temperature difference is less than or equal to threshold temperature by the controller 102；
The controller 102 is electrically connected with the temperature-detecting device 105.The controller 102 receives the temperature inspection
Survey the environment temperature T detected by device 1051With the inner disc temperature T2Temperature difference T.In addition, the controller 102
Threshold temperature T can be pre-setThreshold value.The controller 102 is by the temperature difference T and the threshold temperature TThreshold valueIt is compared.Can
To understand, the threshold temperature TThreshold valueIt is a temperature value, passes through the temperature difference T and the threshold temperature TThreshold valueComparison can be with
Judgement show whether the refrigerant of the mobile air-conditioner 100 leaks.According to foregoing：If the environment temperature with it is described interior
Disk temperature can be differed seldom or numerical value is identical, then coolant leakage occurs for the mobile air-conditioner 100.
S420, if the temperature difference is less than or equal to the threshold temperature, the pressure is controlled by described control unit 102
Contracting machine 110 is closed, and controls closing after the preset time of 120 air draft of blower fan the 3rd by described control unit 102.
If it is appreciated that the temperature difference is less than or equal to the threshold temperature, refrigerant occurs for the mobile air-conditioner 100
Leakage.Because the mobile air-conditioner 100 is in refrigerating state, it is therefore desirable to close institute immediately by described control unit 102
Compressor 110 is stated, the mobile air-conditioner 100 is stopped.Meanwhile, the blower fan 120 is controlled by the controller 102
Closed after the preset time of air draft the 3rd.Herein, it is equally to reduce refrigerant in environment that the blower fan 120, which runs the 3rd preset time,
Concentration, it is to avoid the generation of security incident.The setting of 3rd preset time equally can be according to the mobile air-conditioner 100
Different application space is configured.
In one embodiment, the control method also includes：
S430, if the temperature difference is more than the threshold temperature, the mobile air-conditioner is controlled by the controller 102
100 keep normal refrigerating state.
If it is appreciated that the temperature difference is more than the threshold temperature, refrigerant does not occur for the mobile air-conditioner 100
Leakage, can continue normally to run in refrigerating state with mobile air-conditioner this described 100.
Referring to Fig. 5, in one embodiment, the control method of the mobile air-conditioner includes, examined by the refrigerant
The refrigerant concentration surveyed in the detection environment of sensor 101 and pass through the temperature-detecting device 105 and detect environment temperature and inner disc temperature
The temperature difference of degree.Specific detection and control method can refer to Fig. 5 and each above-mentioned embodiment, will not be repeated here.
In the present embodiment, the refrigerant detection sensor 101 and the temperature-detecting device 105 are arranged at the shifting simultaneously
Dynamic air conditioner 100 so that coolant leakage detection is sensitiveer.Refrigerant detection sensor 101 and the temperature detection sensing
When being failed among device 105 if one, another can also do corresponding safe protection treatment control.Both can be simultaneously
Set, add the reliability that the coolant leakage of mobile air-conditioner 100 detects security control.
Fig. 2 to Fig. 5 is referred to, in one embodiment, the mobile air-conditioner 100 also includes：Warning device 104；
The control method also includes：
S500, after the refrigerant of the mobile air-conditioner 100 is leaked, acousto-optic is sent by the warning device 104
Alarm sounds, and by described control unit 102 close the mobile air-conditioner 100 all forceful electric power export.
In the present embodiment, the warning device 104 is electrically connected with the controller 102.When the controller 102 judges cold
When matchmaker leaks, the controller 102 sends signal to the warning device 104.The warning device 104 is used for according to institute
State the work of buzzer, LED display that the control instruction control that controller 102 sends is attached thereto etc..
Fig. 6 to Fig. 7 is referred to there is provided a kind of mobile air-conditioner 100, the secondary refrigerant leakage for controlling mobile air-conditioner 100,
Including：Compressor 110 and blower fan 120, and：
It is arranged at the refrigerant detection sensor 101 of the pipeline bottom of 100 condenser of mobile air conditioner 130, the refrigerant inspection
Survey the ambient concentration that sensor 101 is used to detect cold media gas；
The controller 102 electrically connected with the refrigerant detection sensor 101, the controller 102 is used to judge described cold
Whether the ambient concentration of gas body is more than or equal to threshold concentration；
If the ambient concentration of the cold media gas is more than or equal to the threshold concentration, the controller 102 is additionally operable to control
The compressor 110, the blower fan 120 is made to reduce the ambient concentration of the cold media gas.In one embodiment, it is described to move
Dynamic air conditioner 100 also includes：It is arranged at the temperature-detecting device of the pipeline bottom of condenser 130 described in the mobile air conditioner 100
105, the temperature-detecting device 105 is used for the temperature difference for detecting environment temperature and inner disc temperature.Specifically, being examined for the refrigerant
The structure for surveying sensor 101 does not make specific restriction.The refrigerant detection sensor 101 can detect described leakage in real time
Refrigerant R290 concentration, and in real time can report and submit Monitoring Data to the controller 102.The refrigerant detection sensing
Condenser (130) pipeline bottom that device 101 can be arranged at the mobile air conditioner (100) can more accurately detect cold in real time
The ambient concentration of gas body.
In one embodiment, the mobile air-conditioner 100 also includes：Warning device 104.The warning device 104 is sent out
Go out acousto-optic alarm sounds, and all forceful electric power for closing the mobile air-conditioner 100 by described control unit 102 are exported.
The temperature-detecting device 105 can detect environment temperature and inner disc temperature.The temperature-detecting device 105 can also
Programmed decision is enough carried out, detection environment temperature and inner disc temperature difference is drawn.
Specifically, the structure for the temperature-detecting device 105 does not make specific restriction yet.The temperature-detecting device
105 can detect indoor environment temperature and inner disc temperature in real time.The inner disc temperature for the mobile air-conditioner 100 institute
State the temperature on the system pipeline of evaporator 150.In one embodiment, the mobile air-conditioner 100 also includes：Output control is opened
Close 103.The output control switch 103 is electrically connected with the controller 102.The controller 102 can be controlled to the output
System switch 103 sends control information.The output control switch 103 and the compressor 110 and the direct phase of the blower fan 120
Even.
Mobile air-conditioner 100 as shown in Figure 6, the evaporator 150 of the mobile air-conditioner 100 is in the upper of complete machine
Portion, the condenser 130 is in the bottom of complete machine.The refrigerant detection sensor 101 is arranged on the machine of mobile air-conditioner 100
Near the bottom of body, the pipeline of condenser 130, so set and make it that the testing result of refrigerant concentration is more accurate.
In the application, the feelings for being designed to comprehensively and accurately detecting system coolant leakage of the mobile air-conditioner 100
Condition, and the external alert of the warning device 104 can be used according to the situation of coolant leakage.In the application, it can adopt
The control method protected with double check, you can use the refrigerant detection sensor 101 and the temperature detection sensor 105
The concentration and environment temperature of refrigerant and the temperature difference in refrigerant transfer conduit in environment are detected in real time.When detecting coolant leakage or cold
Matchmaker lacks, it is necessary to when lacking fluorine protection, by the controller 102 compressor 110, the blower fan 120 can be controlled to perform
Corresponding action, reduces the concentration that refrigerant is leaked in environment.The refrigerant detection sensor 101 and the temperature detection sensor
When being failed among 105 if one, another can also do corresponding safe protection treatment control.Both can set simultaneously
Put, add the reliability of mobile air-conditioner security control.
The present invention is intended to provide a kind of control method and device of the mobile air-conditioner of use R290 refrigerants, solve R290 systems
Detection, security processing when cryogen is leaked.The R290 refrigerants and air of leakage, the row carried by mobile air conditioner
Airduct, is pumped in outside atmosphere, while exporting sound and light alarm, reminds user, improves the security of mobile air conditioner.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of control method of mobile air-conditioner, the secondary refrigerant leakage for controlling mobile air-conditioner, it is characterised in that the shifting
Dynamic air conditioner (100) include compressor (110), blower fan (120), refrigerant detection sensor (101) and with the compressor
(110), the blower fan (120), the controller (102) of the refrigerant detection sensor (101) electrical connection, the control method bag
Include：
The ambient concentration of cold media gas is detected by the refrigerant detection sensor (101)；
Whether the ambient concentration for judging the cold media gas by the controller (102) is more than or equal to threshold concentration；
If the ambient concentration of the cold media gas is more than or equal to the threshold concentration, controlled by the controller (102)
The compressor (110), the blower fan (120) are to reduce the ambient concentration of the cold media gas.
2. control method as claimed in claim 1, it is characterised in that pass through the refrigerant detection sensor (101) described
Before the step of detecting the ambient concentration of cold media gas, the control method also includes：
Obtain the running status of the mobile air-conditioner (100), the running status bag in real time by the controller (102)
Include：Holding state and refrigerating state.
3. control method as claimed in claim 2, it is characterised in that when the mobile air-conditioner (100) is in holding state
When, if the ambient concentration of the cold media gas is more than or equal to the threshold concentration, controlled by the controller (102)
The step of making the ambient concentration of the compressor (110), the blower fan (120) to reduce the cold media gas be specially：Pass through
The controller (102) controls blower fan (120) first preset time of air draft.
4. control method as claimed in claim 2, it is characterised in that when the mobile air-conditioner (100) is in holding state
When, the control method also includes：
If the ambient concentration of the cold media gas is less than the threshold concentration, described move is controlled by the controller (102)
Dynamic air conditioner (100) keeps normal Standby state.
5. control method as claimed in claim 2, it is characterised in that when the mobile air-conditioner (100) is in refrigerating state
When, if the ambient concentration of the cold media gas is more than or equal to the threshold concentration, controlled by the controller (102)
The step of making the ambient concentration of the compressor (110), the blower fan (120) to reduce the cold media gas be specially：Pass through
The controller (102) controls the compressor (110) to close, and controls the blower fan (120) by the controller (102)
Closed after the preset time of air draft second.
6. control method as claimed in claim 2, it is characterised in that when the mobile air-conditioner (100) is in refrigerating state
When, the control method also includes：
If the ambient concentration of the cold media gas is less than the threshold concentration, described move is controlled by the controller (102)
Dynamic air conditioner (100) keeps normal refrigerating state.
7. control method as claimed in claim 6, it is characterised in that the mobile air-conditioner (100) also includes temperature detection
Device (105), the control method also includes：
The temperature difference of environment temperature and inner disc temperature is detected by the temperature-detecting device (105)；
Judge whether the temperature difference is more than or equal to threshold temperature by the controller (102)；
If the temperature difference is less than or equal to the threshold temperature, the compressor is controlled by described control unit (102)
(110) close, and closing after the preset time of blower fan (120) air draft the 3rd is controlled by described control unit (102).
8. control method as claimed in claim 7, it is characterised in that if the temperature difference is more than the threshold temperature, pass through
The controller (102) controls the mobile air-conditioner (100) to keep normal refrigerating state.
9. the control method as described in claim 1 or 7, it is characterised in that the mobile air-conditioner (110) also includes alarm
Device (104), the control method also includes：
If the ambient concentration of the cold media gas is more than or equal to the threshold concentration or the temperature difference is less than or equal to the threshold
It is worth temperature, then sending audible and visible alarm by the warning device (104) points out, and closes institute by described control unit (102)
State all forceful electric power output of mobile air-conditioner (100).
10. a kind of mobile air-conditioner, the secondary refrigerant leakage for controlling mobile air-conditioner, it is characterised in that including：Compressor
(110) and blower fan (120), and：
For the refrigerant detection sensor (101) for the ambient concentration for detecting cold media gas；
The controller (102) electrically connected with the refrigerant detection sensor (101), the controller (102) is used to judge described
Whether the ambient concentration of cold media gas is more than or equal to threshold concentration；
If the ambient concentration of the cold media gas is more than or equal to the threshold concentration, the controller (102) is additionally operable to control
The compressor (110), the blower fan (120) are to reduce the ambient concentration of the cold media gas.
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Application publication date: 20171107 |