CN106765892B - Multi-line system and its outdoor heat exchanger temperature-sensitive packet inspection method and device - Google Patents
Multi-line system and its outdoor heat exchanger temperature-sensitive packet inspection method and device Download PDFInfo
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- CN106765892B CN106765892B CN201611079033.5A CN201611079033A CN106765892B CN 106765892 B CN106765892 B CN 106765892B CN 201611079033 A CN201611079033 A CN 201611079033A CN 106765892 B CN106765892 B CN 106765892B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
- F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
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- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of multi-line system and its outdoor heat exchanger temperature-sensitive packet inspection method and device, it the described method comprises the following steps: after control multi-line system is with pure refrigeration mode or the operation of pure heating mode, control outdoor heat exchanger is shown in a fully open operation, and controls outdoor fan with the first default wind file operation；It is delayed after the first preset time, obtains the temperature of the first temperature sensing package and the second temperature sensing package, be denoted as the first temperature value and second temperature value respectively；It controls the corresponding heat exchange unit of any one temperature sensing package in the first temperature sensing package and the second temperature sensing package to be in close state, and after second preset time that is delayed, obtains the temperature of the first temperature sensing package and the second temperature sensing package again, be denoted as third temperature value and the 4th temperature value respectively；Judge whether the first temperature sensing package and the second temperature sensing package are abnormal according to first to fourth temperature value.To realize effective detection of temperature sensing package, guarantee that system being capable of reliability service.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to the temperature sensing package detection of outdoor heat exchanger in a kind of multi-line system
The temperature-sensitive package detection device of outdoor heat exchanger and a kind of multi-connected machine with the detection device in method, a kind of multi-line system
System.
Background technique
Multi-line system can be achieved at the same time refrigeration and heat-production functions, and in a hybrid mode, heat is freezed from needs
Zone-transfer avoids the wasting of resources, and system efficiency with higher to reduce compressor work to the region that needs heat
Than.
In multi-line system, outdoor heat exchanger is generally monolith, and is usually that a temperature sensing package is placed on heat exchange
In the middle part of some flow path of device or exit, with balanced frosting thickness and defrost duration.In order to cope with complicated hot and cold load item
Part, outdoor heat exchanger may only need part heat exchange area, therefore, in outdoor heat exchange in a hybrid mode using partitioning placement
Two temperature sensing packages are set in device, still, temperature-sensitive package location is misplaced when temperature sensing package failure, or when maintenance, then may cause knot
Frost and defrost are not normal, cause room temperature big ups and downs.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, an object of the present invention is to provide a kind of temperature sensing package detection sides of outdoor heat exchanger in multi-line system
Method can effectively judge whether temperature sensing package is abnormal, and guarantee that system being capable of reliability service.
It is another object of the present invention to the temperature-sensitive package detection devices for proposing outdoor heat exchanger in a kind of multi-line system.
Yet another object of the invention is that proposing a kind of multi-line system.
To achieve the above object, one aspect of the present invention embodiment proposes a kind of sense of outdoor heat exchanger in multi-line system
Thermometer bulb detection method, the multi-line system include outdoor unit, part flow arrangement and multiple indoor units, and the outdoor unit includes by more
Outdoor heat exchanger, outdoor fan and the first temperature sensing package being arranged on the outdoor heat exchanger and second that a heat exchange unit is constituted
Temperature sensing package the described method comprises the following steps: be transported controlling the multi-line system with pure refrigeration mode or pure heating mode
It after row, controls the outdoor heat exchanger and is shown in a fully open operation, and control the outdoor fan with the first default wind file operation；Delay
After first preset time, obtain the temperature of first temperature sensing package and second temperature sensing package, be denoted as respectively the first temperature value and
Second temperature value；It controls the corresponding heat exchange unit of first temperature sensing package to be in close state, and in second preset time that is delayed
Afterwards, the temperature for obtaining first temperature sensing package and second temperature sensing package again, is denoted as third temperature value and the 4th temperature respectively
Value；Judge whether first temperature sensing package is abnormal according to first temperature value and the third temperature value, and according to institute
It states second temperature value and the 4th temperature value judges whether second temperature sensing package is abnormal.
The temperature-sensitive packet inspection method of outdoor heat exchanger in multi-line system according to an embodiment of the present invention, in control multi-connected machine
After system is with pure refrigeration mode or the operation of pure heating mode, firstly, control outdoor heat exchanger is shown in a fully open operation, and control room
Outer blower is with the first default wind file operation.Then, it is delayed after the first preset time, obtains the first temperature sensing package and the second temperature sensing package
Temperature is denoted as the first temperature value and second temperature value respectively, and controls the corresponding heat exchange unit of the first temperature sensing package and be in closing shape
State, and after second preset time that is delayed, the temperature of the first temperature sensing package and the second temperature sensing package is obtained again, is denoted as third temperature respectively
Angle value and the 4th temperature value.Finally, judge whether the first temperature sensing package is abnormal with third temperature value according to the first temperature value, and
Judge whether the second temperature sensing package is abnormal according to third temperature value and the 4th temperature value.To realize effective inspection of temperature sensing package
It surveys, guarantees that system being capable of reliability service.
According to one embodiment of present invention, when the multi-line system is run with pure refrigeration mode, if described
Temperature gap between one temperature value and the third temperature value less than the first preset value or the 4th temperature value with it is described
Temperature gap between second temperature value then judges first temperature sensing package or second temperature sensing package hair less than the second preset value
It is raw abnormal；When the multi-line system is run with pure heating mode, if the third temperature value and first temperature value
Between temperature gap be less than temperature gap between third preset value or the second temperature value and the 4th temperature value
Less than the 4th preset value, then judge that first temperature sensing package or second temperature sensing package are abnormal.
According to one embodiment of present invention, in above-mentioned multi-line system outdoor heat exchanger temperature-sensitive packet inspection method,
Further include: when the multi-line system is standby, the temperature of first temperature sensing package and second temperature sensing package is obtained, is remembered respectively
For the 5th temperature value and the 6th temperature value, and obtain current outdoor environment temperature；Judge the 5th temperature value and described current
Whether the absolute value of the temperature gap between outdoor environment temperature is less than or equal to the 5th preset value, and judges the 6th temperature value
Whether the absolute value of the temperature gap between the current outdoor environment temperature is less than or equal to the 5th preset value；If institute
The absolute value for stating the temperature gap between the 5th temperature value and the current outdoor environment temperature, which is less than or equal to the described 5th, to be preset
The absolute value of value and the temperature gap between the 6th temperature value and the current outdoor environment temperature is less than or equal to described the
Five preset values are then controlled the multi-line system and are run with pure refrigeration mode or pure heating mode.
According to one embodiment of present invention, in above-mentioned multi-line system outdoor heat exchanger temperature-sensitive packet inspection method,
Further include: judge the current outdoor environment temperature whether less than the 6th preset value；If the current outdoor environment temperature is small
In the 6th preset value, then controls the multi-line system and run with pure heating mode；If the current outdoor environment temperature
Degree is more than or equal to the 6th preset value, then controls the multi-line system and run with pure refrigeration mode.
According to one embodiment of present invention, when the outdoor heat exchanger by upper heat exchange unit, middle heat exchange unit and under change
When hot cell is constituted, first temperature sensing package corresponds to the lower heat exchange unit setting, and second temperature sensing package corresponds to changes on described
Hot cell setting；When the outdoor heat exchanger is made of left heat exchange unit and right heat exchange unit, first temperature sensing package is corresponding
The left heat exchange unit setting, second temperature sensing package correspond to the right heat exchange unit setting.
To achieve the above object, another aspect of the present invention embodiment proposes outdoor heat exchanger in a kind of multi-line system
Temperature-sensitive package detection device, the multi-line system include outdoor unit, part flow arrangement and multiple indoor units, the outdoor unit include by
Outdoor heat exchanger, outdoor fan and the first temperature sensing package being arranged on the outdoor heat exchanger that multiple heat exchange units are constituted and the
Two temperature sensing packages, described device include: acquisition module, for obtaining the temperature of first temperature sensing package and second temperature sensing package；
Control module, the control module are connected with the acquisition module, and the control module is used to control the multi-line system
After pure refrigeration mode or the operation of pure heating mode, controls the outdoor heat exchanger and be shown in a fully open operation, and control the room
Outer blower is with the first default wind file operation, and after first preset time that is delayed, the control module is obtained by the acquisition module
The temperature of first temperature sensing package and second temperature sensing package, is denoted as the first temperature value and second temperature value respectively, and controls institute
It states the corresponding heat exchange unit of the first temperature sensing package to be in close state, and after second preset time that is delayed, obtains described again
The temperature of one temperature sensing package and second temperature sensing package is denoted as third temperature value and the 4th temperature value respectively, and according to described
One temperature value and the third temperature value judge whether first temperature sensing package is abnormal, and according to the second temperature value and
4th temperature value judges whether second temperature sensing package is abnormal.
The temperature-sensitive package detection device of outdoor heat exchanger in multi-line system according to an embodiment of the present invention, in control multi-connected machine
After system is with pure refrigeration mode or the operation of pure heating mode, control module control outdoor heat exchanger is shown in a fully open operation, and is controlled
Outdoor fan processed is with the first default wind file operation.It is delayed after the first preset time, control module obtains first by obtaining module
The temperature of temperature sensing package and the second temperature sensing package is denoted as the first temperature value and second temperature value respectively, and it is corresponding to control the first temperature sensing package
Heat exchange unit be in close state, and after second preset time that is delayed, obtain the first temperature sensing package and the second temperature sensing package again
Temperature, be denoted as third temperature value and the 4th temperature value respectively.Finally, control module is according to the first temperature value and third temperature value
Judge whether the first temperature sensing package is abnormal, and judges whether the second temperature sensing package occurs according to second temperature value and the 4th temperature value
It is abnormal, to realize effective detection of temperature sensing package, guarantee that system being capable of reliability service.
According to one embodiment of present invention, when the multi-line system is run with pure refrigeration mode, if described
Temperature gap between one temperature value and the third temperature value less than the first preset value or the 4th temperature value with it is described
For temperature gap between second temperature value less than the second preset value, the control module then judges first temperature sensing package or described
Second temperature sensing package is abnormal；When the multi-line system is run with pure heating mode, if the third temperature value and institute
State temperature gap between the first temperature value be less than third preset value or the second temperature value and the 4th temperature value it
Between temperature gap less than the 4th preset value, the control module then judge first temperature sensing package or second temperature sensing package hair
It is raw abnormal.
According to one embodiment of present invention, the control module is also used to when the multi-line system is standby, is obtained
The temperature of first temperature sensing package and second temperature sensing package is denoted as the 5th temperature value and the 6th temperature value respectively, and obtains and work as
Preceding outdoor environment temperature, and judge the exhausted of temperature gap between the 5th temperature value and the current outdoor environment temperature
Whether the 5th preset value is less than or equal to value, and judges the temperature between the 6th temperature value and the current outdoor environment temperature
Whether the absolute value of degree difference is less than or equal to the 5th preset value, wherein if the 5th temperature value works as cup with described
The absolute value of temperature gap between external environment temperature be less than or equal to the 5th preset value and the 6th temperature value with it is described
The absolute value of temperature gap between current outdoor environment temperature is less than or equal to the 5th preset value, and the control module is then controlled
The multi-line system is made to run with pure refrigeration mode or pure heating mode.
According to one embodiment of present invention, whether the control module is also used to judge the current outdoor environment temperature
Less than the 6th preset value, wherein if the current outdoor environment temperature is less than the 6th preset value, if the control module
The multi-line system is controlled to run with pure heating mode；If it is pre- that the current outdoor environment temperature is more than or equal to the described 6th
If value, the control module are then controlled the multi-line system and are run with pure refrigeration mode.
According to one embodiment of present invention, when the outdoor heat exchanger by upper heat exchange unit, middle heat exchange unit and under change
When hot cell is constituted, first temperature sensing package corresponds to the lower heat exchange unit setting, and second temperature sensing package corresponds to changes on described
Hot cell setting；When the outdoor heat exchanger is made of left heat exchange unit and right heat exchange unit, first temperature sensing package is corresponding
The left heat exchange unit setting, second temperature sensing package correspond to the right heat exchange unit setting.
In addition, the embodiment of the present invention also proposed a kind of multi-line system comprising room in above-mentioned multi-line system
The temperature-sensitive package detection device of external heat exchanger.
The multi-line system of the embodiment of the present invention can effectively judge that temperature sensing package is by above-mentioned detection device
It is no to be abnormal, guarantee that system being capable of reliability service.
Detailed description of the invention
Fig. 1 is the process of the temperature-sensitive packet inspection method of outdoor heat exchanger in multi-line system according to an embodiment of the present invention
Figure；
Fig. 2 is the knot of the temperature-sensitive package detection device of outdoor heat exchanger in multi-line system according to an embodiment of the invention
Structure schematic diagram；
Fig. 3 is the structural schematic diagram of outdoor heat exchanger according to an embodiment of the invention；
Fig. 4 is the structural schematic diagram of outdoor heat exchanger in accordance with another embodiment of the present invention；
Fig. 5 is the temperature-sensitive packet inspection method of outdoor heat exchanger in the multi-line system of a specific example according to the present invention
Flow chart；
Fig. 6 is the temperature-sensitive package detection device of outdoor heat exchanger in multi-line system according to an embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
With reference to the accompanying drawings in the multi-line system to describe the embodiment of the present invention outdoor heat exchanger temperature sensing package detection side
The temperature-sensitive package detection device of outdoor heat exchanger and the multi-line system with the device in method, multi-line system.
Fig. 1 is the process of the temperature-sensitive packet inspection method of outdoor heat exchanger in multi-line system according to an embodiment of the present invention
Figure.
In an embodiment of the present invention, as shown in Fig. 2, multi-line system may include outdoor unit, part flow arrangement and multiple rooms
Interior machine, outdoor unit may include the outdoor heat exchanger, outdoor fan and setting that are made of multiple heat exchange units on outdoor heat exchanger
The first temperature sensing package and the second temperature sensing package.
As shown in Figure 1, the temperature-sensitive packet inspection method of outdoor heat exchanger can comprise the following steps that in the multi-line system
S1 is controlled at outdoor heat exchanger after control multi-line system is with pure refrigeration mode or the operation of pure heating mode
In full-gear, and outdoor fan is controlled with the first default wind file operation.
Wherein, the first default wind file can be set according to the actual situation, for example, the first default wind file can be outdoor wind
The highest gear of machine.
S2, be delayed the first preset time after, obtain the first temperature sensing package and the second temperature sensing package temperature, be denoted as respectively first temperature
Angle value and second temperature value.Wherein, the first preset time can be demarcated according to the actual situation.
According to one embodiment of present invention, single by upper heat exchange unit, middle heat exchange unit and lower heat exchange when outdoor heat exchanger
When member is constituted, the corresponding lower heat exchange unit setting of the first temperature sensing package, the corresponding upper heat exchange unit setting of the second temperature sensing package；Work as outdoor heat exchange
When device is made of left heat exchange unit and right heat exchange unit, the first temperature sensing package corresponds to left heat exchange unit setting, and the second temperature sensing package is corresponding
Right heat exchange unit setting.
Specifically, outdoor heat exchanger can use structure shown in Fig. 3, i.e. outdoor is changed when outdoor unit is small box
Hot device is made of upper heat exchange unit, middle heat exchange unit and lower heat exchange unit, can be arranged the in the exit of lower heat exchange unit at this time
The second temperature sensing package is arranged in the exit of upper heat exchange unit, to obtain corresponding temperature in one temperature sensing package；When outdoor unit is middle cabinet
When, structure shown in Fig. 4 can be used in outdoor heat exchanger, i.e. outdoor heat exchanger is made of left heat exchange unit and right heat exchange unit, this
When can the exit of left heat exchange unit be arranged the first temperature sensing package, right heat exchange unit exit be arranged the second temperature sensing package, with
Obtain corresponding temperature.
S3, the corresponding heat exchange unit of the first temperature sensing package of control are in close state, and after second preset time that is delayed, then
The secondary temperature for obtaining the first temperature sensing package and the second temperature sensing package, is denoted as third temperature value and the 4th temperature value respectively.
Wherein, the second preset time can be demarcated according to the actual situation.
Specifically, as shown in figure 3, in small box, when the exit of lower heat exchange unit is arranged in the first temperature sensing package,
When the exit of upper heat exchange unit is arranged in two temperature sensing packages, the corresponding solenoid valve SV3C of heat exchange unit can be gone up by controlling, so that
Corresponding heat exchange unit is in close state.As shown in figure 4, in middle cabinet, when the first temperature sensing package is arranged in left heat exchange unit
Exit, when the exit of right heat exchange unit is arranged in the second temperature sensing package, the corresponding electromagnetism of the left heat exchange unit of control can be passed through
Valve SV3A, SV3B, SV3C are turned off, so that corresponding heat exchange unit is in close state.And after second preset time that is delayed,
The temperature of the first temperature sensing package and the second temperature sensing package is obtained again.
S4 judges whether the first temperature sensing package is abnormal according to the first temperature value and third temperature value, and according to the second temperature
Angle value and the 4th temperature value judge whether the second temperature sensing package is abnormal.
Specifically, can control outdoor unit in the open state, and outside control room when needing to detect temperature sensing package
Heat exchanger is shown in a fully open operation, and control outdoor fan is with the operation of highest wind file.It is delayed after first time, obtains the first temperature-sensitive
The temperature of packet and the second temperature sensing package, and the first temperature sensing package or the corresponding heat exchange unit of the second temperature sensing package are controlled in closing shape
State.It is delayed after the second preset time, obtains the temperature of the first temperature sensing package and the second temperature sensing package again, and according to the temperature obtained twice
Degree is to judge whether the first temperature sensing package and the second temperature sensing package are abnormal (failure), to realize effective detection of temperature sensing package, protects
Card system being capable of reliability service.
According to one embodiment of present invention, when multi-line system is run with pure refrigeration mode, if the first temperature value
Temperature gap between third temperature value is less than the temperature between the first preset value or the 4th temperature value and second temperature value
Difference then judges that the first temperature sensing package or the second temperature sensing package are abnormal less than the second preset value；When multi-line system is with pure heating
When mode operation, if the temperature gap between third temperature value and the first temperature value is less than third preset value or the second temperature
Temperature gap between angle value and the 4th temperature value then judges that the first temperature sensing package or the second temperature sensing package occur less than the 4th preset value
It is abnormal.Wherein, first to fourth preset value can be demarcated according to the actual situation.
Specifically, when multi-line system is run with pure refrigeration mode, if the first temperature value and third temperature value it
Between temperature gap be more than or equal to temperature gap between the first preset value and the 4th temperature value and second temperature value and be more than or equal to
Second preset value then illustrates that the first temperature sensing package and the second temperature sensing package are normal；Otherwise, the first temperature sensing package or the second temperature sensing package hair
It is raw abnormal.Then, the position of the first temperature sensing package and the second temperature sensing package is exchanged, or the one of temperature sensing package of replacement, and according to
Aforesaid way does further detection, to judge specifically which temperature sensing package is abnormal.
For example, if before the first temperature sensing package and the second temperature sensing package exchange, the temperature between the first temperature value and third temperature value
It is default less than second to spend the temperature gap that difference is more than or equal between the first preset value and the 4th temperature value and second temperature value
Value, and the temperature gap between the first temperature value and third temperature value after exchanging is less than the first preset value and the 4th temperature value
Temperature gap between second temperature value is more than or equal to the second preset value, then illustrates that the first temperature sensing package is normal, the second temperature sensing package
It is abnormal；If exchanging the temperature gap between preceding first temperature value and third temperature value less than the first preset value and the 4th
Temperature gap between temperature value and second temperature value is more than or equal to the second preset value, and the first temperature value and third after exchanging
Temperature gap between temperature value is more than or equal to the temperature gap between the first preset value and the 4th temperature value and second temperature value
Less than the second preset value, then illustrate that the first temperature sensing package is abnormal, the second temperature sensing package is normal, so as to more accurately judgement
Which specific temperature sensing package is abnormal out, improves the reliability of system.
When multi-line system is run with pure heating mode, if the temperature difference between third temperature value and the first temperature value
It is default that the temperature gap that value is more than or equal between third preset value and second temperature value and the 4th temperature value is more than or equal to the 4th
Value, then illustrate that the first temperature sensing package and the second temperature sensing package are normal；Otherwise, the first temperature sensing package or the second temperature sensing package are abnormal.
Then, the position of the first temperature sensing package and the second temperature sensing package is exchanged, or the one of temperature sensing package of replacement, and in the manner described above
Further detection is done, to judge that specifically which temperature sensing package is abnormal, and is specifically no longer discussed in detail here.
Further, according to one embodiment of present invention, in above-mentioned multi-line system outdoor heat exchanger temperature sensing package
Detection method, further includes: when multi-line system is standby, obtains the temperature of the first temperature sensing package and the second temperature sensing package, be denoted as respectively
5th temperature value and the 6th temperature value, and obtain current outdoor environment temperature；Judge the 5th temperature value and current outdoor environment temperature
Whether the absolute value of the temperature gap between degree is less than or equal to the 5th preset value, and judges the 6th temperature value and current outdoor environment
Whether the absolute value of the temperature gap between temperature is less than or equal to the 5th preset value；If the 5th temperature value and current outdoor environment
The absolute value of temperature gap between temperature be less than or equal to the 5th preset value and the 6th temperature value and current outdoor environment temperature it
Between temperature gap absolute value be less than or equal to the 5th preset value, then control multi-line system with pure refrigeration mode or pure heating
Mode operation.Wherein, the 5th preset value can be demarcated according to the actual situation.
Specifically, being obtained by a warm instrument current after multi-line system powers on certain time (such as standby half an hour)
Outdoor environment temperature T0, and the current outdoor environment temperature T4 obtained with the outdoor temperature sensor that is arranged in outdoor unit into
Row compares, and whether judgment bias is within ± 2 DEG C, if it is, thinking that outdoor temperature sensor works normally；Otherwise, judge
Outdoor temperature sensor is abnormal, as resistance value drift occurs for outdoor temperature sensor.
In the normal situation of outdoor temperature sensor, self-test is carried out to the first temperature sensing package and the second temperature sensing package, that is, is obtained
The temperature of first temperature sensing package and the second temperature sensing package is denoted as the 5th temperature value and the 6th temperature value, then, judge the 5th temperature value with
The absolute value of temperature gap between current outdoor environment temperature whether be less than or equal to the 5th preset value and the 6th temperature value with work as
Whether the absolute value of the temperature gap between preceding outdoor environment temperature is less than or equal to the 5th preset value, if it is, control is multi-joint
Machine system is run with pure refrigeration mode or pure heating mode, and is done in the manner described above to the first temperature sensing package and the second temperature sensing package
Further judgement；Otherwise, possible first temperature sensing package and the second temperature sensing package are damaged, and resistance value has drift etc..
According to one embodiment of present invention, in above-mentioned multi-line system outdoor heat exchanger temperature-sensitive packet inspection method,
Further include: judge current outdoor environment temperature whether less than the 6th preset value；If current outdoor environment temperature is pre- less than the 6th
If value, then controlled multi-line system and run with pure heating mode；If current outdoor environment temperature is more than or equal to the 6th preset value,
Multi-line system is then controlled to run with pure refrigeration mode.Wherein, the 6th preset value can be demarcated according to the actual situation.
That is, if being run when current outdoor environment temperature T4 is less than certain value with pure heating mode；Otherwise,
With the operation of pure refrigeration mode, then, the first temperature sensing package and the second temperature-sensitive are judged according to judgment mode corresponding under different mode
Whether packet is abnormal.
To make those skilled in the art better understand the present invention, Fig. 5 is the more of specific example according to the present invention
The flow chart of the temperature-sensitive packet inspection method of outdoor heat exchanger in on-line system.As shown in figure 5, outdoor heat exchange in the multi-line system
The temperature-sensitive packet inspection method of device can comprise the following steps that
S101, multi-line system power on standby.
S102 after delay certain time A (such as half an hour), works as cup by the outdoor temperature sensor acquisition in outdoor unit
External environment temperature T4, and current outdoor environment temperature T0 is obtained by the warm instrument of point.
S103, judgement | T0-T4 | whether≤2 DEG C true.If so, executing step S105；If not, executing step
S104。
There is drift in the resistance value of S104, possible outdoor temperature sensor.
S105 obtains the 5th temperature value T3A0, the 6th temperature value T3D0。
S106, judgement | T3A0- T4 | the≤the five preset value B and | T3D0- T4 | whether≤B is true.If so, executing step
S108；If not, executing step S107.
There is drift in S107, possible first temperature sensing package and/or the damage of the second temperature sensing package or resistance value.
Whether S108 judges T4 less than the 6th preset value C.If so, executing step S111；If not, executing step
S109。
S109, refrigeration booting capacity≤100% force outdoor heat exchanger standard-sized sheet and with maximum wind file operation D minutes, record
The temperature of first temperature sensing package and the second temperature sensing package is respectively T3A1And T3D1, then, if it is small box, then under maximum wind file
It closes SV3A solenoid valve E seconds, if it is middle cabinet, is then closed SV3A-SV3C solenoid valve E seconds under maximum wind file, and examine again
The temperature for surveying the first temperature sensing package and the second temperature sensing package is respectively T3A2And T3D2。
S110 judges whether there is T3A1-T3A2>=the first preset value X1 and T3D2-T3D1>=the second preset value Y1.Such as
Fruit is to execute step S113；If not, executing step S114.
S111, heating booting capacity≤100% force outdoor heat exchanger standard-sized sheet and with maximum wind file operation D minutes, record
The temperature of first temperature sensing package and the second temperature sensing package is respectively T3A1And T3D1, then, if it is small box, then under maximum wind file
It closes SV3A solenoid valve E seconds, if it is middle cabinet, is then closed SV3A-SV3C solenoid valve E seconds under maximum wind file, and examine again
The temperature for surveying the first temperature sensing package and the second temperature sensing package is respectively T3A2And T3D2。
S112 judges whether there is T3A2-T3A1>=third preset value X2 and T3D1-T3D2>=the four preset value Y2.Such as
Fruit is to execute step S113；If not, executing step S114.
S113, the first temperature sensing package and the second temperature sensing package are normal.
S114, record temperature sensing package failure detect again after exchanging the two position or replacement temperature sensing package, with further judgement which are
A temperature sensing package failure.
In conclusion in multi-line system according to an embodiment of the present invention outdoor heat exchanger temperature-sensitive packet inspection method,
After multi-line system is controlled with pure refrigeration mode or the operation of pure heating mode, firstly, control outdoor heat exchanger is in standard-sized sheet shape
State, and outdoor fan is controlled with the first default wind file operation.Then, be delayed the first preset time after, obtain the first temperature sensing package and
The temperature of second temperature sensing package is denoted as the first temperature value and second temperature value respectively, controls in the first temperature sensing package and the second temperature sensing package
The corresponding heat exchange unit of any one temperature sensing package is in close state, and after second preset time that is delayed, obtains first again
The temperature of temperature sensing package and the second temperature sensing package is denoted as third temperature value and the 4th temperature value respectively.Finally, according to the first temperature value,
Second temperature value, third temperature value and the 4th temperature value judge whether the first temperature sensing package and the second temperature sensing package are abnormal.To
It realizes effective detection of temperature sensing package, guarantees that system being capable of reliability service.
Fig. 6 is the temperature-sensitive package detection device of outdoor heat exchanger in multi-line system according to an embodiment of the invention.
In an embodiment of the present invention, as shown in Fig. 2, multi-line system may include outdoor unit 100, part flow arrangement (in figure
It is not specifically illustrated) and multiple indoor units (not specifically illustrated in figure), wherein outdoor unit 100 may include by multiple heat exchange unit structures
At outdoor heat exchanger 110, outdoor fan 120 and the first temperature sensing package T3A being arranged on outdoor heat exchanger and the second temperature sensing package
T3D。
As shown in fig. 6, in the multi-line system outdoor heat exchanger temperature-sensitive package detection device can include: obtain module 400
With control module 500.
Wherein, the temperature T3D that module 400 is used to obtain the first temperature sensing package T3A and the second temperature sensing package is obtained.Control module
500 are connected with module 400 is obtained, and control module 500 is used in control multi-line system with pure refrigeration mode or pure heating mould
After formula operation, control outdoor heat exchanger 110 is shown in a fully open operation, and controls outdoor fan 120 with the first default wind file operation, is prolonged
When the first preset time after, control module 500 obtains the first temperature sensing package T3A and the second temperature sensing package T3D by obtaining module 400
Temperature is denoted as the first temperature value and second temperature value respectively, and controls the corresponding heat exchange unit of the first temperature sensing package T3A and be in closing
State, and after second preset time that is delayed, the temperature of the first temperature sensing package T3A and the second temperature sensing package T3D are obtained again, are remembered respectively
For third temperature value and the 4th temperature value, and whether the first temperature sensing package T3A is judged according to the first temperature value and third temperature value
It is abnormal, and judges whether the second temperature sensing package T3D is abnormal according to second temperature value and the 4th temperature value.
According to one embodiment of present invention, when multi-line system is run with pure refrigeration mode, if the first temperature value
Temperature gap between third temperature value is less than the temperature between the first preset value or the 4th temperature value and second temperature value
For difference less than the second preset value, control module 500 then judges that the first temperature sensing package T3A or the second temperature sensing package T3D are abnormal；When more
When on-line system is run with pure heating mode, if the temperature gap between third temperature value and the first temperature value is pre- less than third
If value or the temperature gap between second temperature value and the 4th temperature value are less than the 4th preset value, control module 500 then judges
First temperature sensing package T3A or the second temperature sensing package T3D are abnormal.
According to one embodiment of present invention, control module 500 is also used to when multi-line system is standby, obtains the first sense
The temperature of thermometer bulb T3A and the second temperature sensing package T3D, are denoted as the 5th temperature value and the 6th temperature value respectively, and obtain current outdoor ring
Border temperature T4, and judge whether the absolute value of the temperature gap between the 5th temperature value and current outdoor environment temperature T4 is less than
Equal to the 5th preset value, and judge temperature gap between the 6th temperature value and current outdoor environment temperature T4 absolute value whether
Less than or equal to the 5th preset value, wherein if temperature gap between the 5th temperature value and current outdoor environment temperature T4 is exhausted
It is less than or equal to the absolute value of the 5th preset value and the temperature gap between the 6th temperature value and current outdoor environment temperature T4 to value
Less than or equal to the 5th preset value, control module 500 is then controlled multi-line system and is run with pure refrigeration mode or pure heating mode.
Further, according to one embodiment of present invention, control module 500 is also used to judge current outdoor environment temperature
Whether T4 less than the 6th preset value, wherein if current outdoor environment temperature T4 less than the 6th preset value, if control module 500
Control multi-line system is run with pure heating mode；If current outdoor environment temperature T4 is more than or equal to the 6th preset value, control
Module 500 is then controlled multi-line system and is run with pure refrigeration mode.
According to one embodiment of present invention, when outdoor heat exchanger 110 is by upper heat exchange unit, middle heat exchange unit and lower heat exchange
When unit is constituted, the corresponding lower heat exchange unit of the first temperature sensing package T3A is arranged, heat exchange unit setting in the second temperature sensing package T3D correspondence；When
When outdoor heat exchanger 110 is made of left heat exchange unit 111 and right heat exchange unit 112, the first temperature sensing package T3A corresponds to left heat exchange unit
111 settings, the second temperature sensing package T3D correspond to right heat exchange unit 112 and are arranged.
It should be noted that in the multi-line system of the embodiment of the present invention in the temperature-sensitive package detection device of outdoor heat exchanger not
The details of disclosure please refers to disclosed in the temperature-sensitive packet inspection method of outdoor heat exchanger in the multi-line system of the embodiment of the present invention
Details, it is specific which is not described herein again.
The temperature-sensitive package detection device of outdoor heat exchanger in multi-line system according to an embodiment of the present invention, in control multi-connected machine
After system is with pure refrigeration mode or the operation of pure heating mode, control module control outdoor heat exchanger is shown in a fully open operation, and is controlled
Outdoor fan processed is with the first default wind file operation.It is delayed after the first preset time, control module obtains first by obtaining module
The temperature of temperature sensing package and the second temperature sensing package is denoted as the first temperature value and second temperature value respectively, and it is corresponding to control the first temperature sensing package
Heat exchange unit be in close state, and after second preset time that is delayed, obtain the first temperature sensing package and the second temperature sensing package again
Temperature, be denoted as third temperature value and the 4th temperature value respectively.Finally, control module is according to the first temperature value and third temperature value
Judge whether the first temperature sensing package is abnormal, and judges whether the second temperature sensing package occurs according to second temperature value and the 4th temperature value
It is abnormal, to realize effective detection of temperature sensing package, guarantee that system being capable of reliability service.
In addition, the embodiment of the present invention also proposed a kind of multi-line system comprising room in above-mentioned multi-line system
The temperature-sensitive package detection device of external heat exchanger.It specifically can be as shown in Fig. 2, specifically I will not elaborate.
The multi-line system of the embodiment of the present invention can effectively judge that temperature sensing package is by above-mentioned detection device
It is no to be abnormal, improve the reliability of system.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (11)
1. the temperature-sensitive packet inspection method of outdoor heat exchanger in a kind of multi-line system, which is characterized in that the multi-line system packet
Outdoor unit, part flow arrangement and multiple indoor units are included, the outdoor unit includes the outdoor heat exchanger being made of multiple heat exchange units, room
Outer blower and the first temperature sensing package and the second temperature sensing package being arranged on the outdoor heat exchanger, the described method comprises the following steps:
After controlling the multi-line system with pure refrigeration mode or the operation of pure heating mode, control at the outdoor heat exchanger
In full-gear, and the outdoor fan is controlled with the first default wind file operation；
It is delayed after the first preset time, obtains the temperature of first temperature sensing package and second temperature sensing package, be denoted as first respectively
Temperature value and second temperature value；
It controls the corresponding heat exchange unit of first temperature sensing package to be in close state, and after second preset time that is delayed, again
The temperature for obtaining first temperature sensing package and second temperature sensing package, is denoted as third temperature value and the 4th temperature value respectively；
Judge whether first temperature sensing package is abnormal according to first temperature value and the third temperature value, and according to institute
It states second temperature value and the 4th temperature value judges whether second temperature sensing package is abnormal.
2. the temperature-sensitive packet inspection method of outdoor heat exchanger in multi-line system as described in claim 1, which is characterized in that
When the multi-line system is run with pure refrigeration mode, if between first temperature value and the third temperature value
Temperature gap be less than less than the temperature gap between the first preset value or the 4th temperature value and the second temperature value
Second preset value then judges that first temperature sensing package or second temperature sensing package are abnormal；
When the multi-line system is run with pure heating mode, if between the third temperature value and first temperature value
Temperature gap be less than temperature gap between third preset value or the second temperature value and the 4th temperature value and be less than
4th preset value then judges that first temperature sensing package or second temperature sensing package are abnormal.
3. the temperature-sensitive packet inspection method of outdoor heat exchanger in multi-line system as claimed in claim 1 or 2, which is characterized in that
Further include:
When the multi-line system is standby, the temperature of first temperature sensing package and second temperature sensing package is obtained, is denoted as respectively
5th temperature value and the 6th temperature value, and obtain current outdoor environment temperature；
Judge whether the absolute value of the temperature gap between the 5th temperature value and the current outdoor environment temperature is less than
In the 5th preset value, and judge the absolute value of the temperature gap between the 6th temperature value and the current outdoor environment temperature
Whether the 5th preset value is less than or equal to；
If the absolute value of the temperature gap between the 5th temperature value and the current outdoor environment temperature is less than or equal to institute
The absolute value for stating the temperature gap between the 5th preset value and the 6th temperature value and the current outdoor environment temperature is less than
Equal to the 5th preset value, then controls the multi-line system and run with pure refrigeration mode or pure heating mode.
4. the temperature-sensitive packet inspection method of outdoor heat exchanger in multi-line system as claimed in claim 3, which is characterized in that also wrap
It includes:
Judge the current outdoor environment temperature whether less than the 6th preset value；
If the current outdoor environment temperature is less than the 6th preset value, the multi-line system is controlled with pure heating mould
Formula operation；
If the current outdoor environment temperature is more than or equal to the 6th preset value, the multi-line system is controlled with pure system
Cold mode operation.
5. the temperature-sensitive packet inspection method of outdoor heat exchanger in multi-line system as described in claim 1, which is characterized in that
When the outdoor heat exchanger is made of upper heat exchange unit, middle heat exchange unit and lower heat exchange unit, first temperature sensing package
The corresponding lower heat exchange unit setting, second temperature sensing package correspond to the upper heat exchange unit setting；
When the outdoor heat exchanger is made of left heat exchange unit and right heat exchange unit, first temperature sensing package corresponds to the left side and changes
Hot cell setting, second temperature sensing package correspond to the right heat exchange unit setting.
6. the temperature-sensitive package detection device of outdoor heat exchanger in a kind of multi-line system, which is characterized in that the multi-line system packet
Outdoor unit, part flow arrangement and multiple indoor units are included, the outdoor unit includes the outdoor heat exchanger being made of multiple heat exchange units, room
Outer blower and the first temperature sensing package being arranged on the outdoor heat exchanger and the second temperature sensing package, described device include:
Module is obtained, for obtaining the temperature of first temperature sensing package and second temperature sensing package；
Control module, the control module are connected with the acquisition module, and the control module is used to control the multi-connected machine
After system is with pure refrigeration mode or the operation of pure heating mode, controls the outdoor heat exchanger and be shown in a fully open operation, and control institute
Outdoor fan is stated with the first default wind file operation, after first preset time that is delayed, the control module passes through the acquisition module
The temperature for obtaining first temperature sensing package and second temperature sensing package, is denoted as the first temperature value and second temperature value, and control respectively
It makes the corresponding heat exchange unit of first temperature sensing package to be in close state, and after second preset time that is delayed, obtains institute again
The temperature for stating the first temperature sensing package and second temperature sensing package is denoted as third temperature value and the 4th temperature value respectively, and according to institute
It states the first temperature value and the third temperature value judges whether first temperature sensing package is abnormal, and according to the second temperature
Value and the 4th temperature value judge whether second temperature sensing package is abnormal.
7. the temperature-sensitive package detection device of outdoor heat exchanger in multi-line system as claimed in claim 6, which is characterized in that
When the multi-line system is run with pure refrigeration mode, if between first temperature value and the third temperature value
Temperature gap be less than less than the temperature gap between the first preset value or the 4th temperature value and the second temperature value
Second preset value, the control module then judge that first temperature sensing package or second temperature sensing package are abnormal；
When the multi-line system is run with pure heating mode, if between the third temperature value and first temperature value
Temperature gap be less than temperature gap between third preset value or the second temperature value and the 4th temperature value and be less than
4th preset value, the control module then judge that first temperature sensing package or second temperature sensing package are abnormal.
8. the temperature-sensitive package detection device of outdoor heat exchanger in multi-line system as claimed in claims 6 or 7, which is characterized in that
The control module is also used to when the multi-line system is standby, obtains first temperature sensing package and second temperature sensing package
Temperature is denoted as the 5th temperature value and the 6th temperature value respectively, and obtains current outdoor environment temperature, and judges the 5th temperature
Whether the absolute value of the temperature gap between angle value and the current outdoor environment temperature is less than or equal to the 5th preset value, and judges
Whether the absolute value of the temperature gap between the 6th temperature value and the current outdoor environment temperature is less than or equal to described
Five preset values, wherein
If the absolute value of the temperature gap between the 5th temperature value and the current outdoor environment temperature is less than or equal to institute
The absolute value for stating the temperature gap between the 5th preset value and the 6th temperature value and the current outdoor environment temperature is less than
Equal to the 5th preset value, the control module controls the multi-line system then with pure refrigeration mode or pure heating mode
Operation.
9. the temperature-sensitive package detection device of outdoor heat exchanger in multi-line system as claimed in claim 8, which is characterized in that described
Whether control module is also used to judge the current outdoor environment temperature less than the 6th preset value, wherein
If the current outdoor environment temperature is less than the 6th preset value, control module if, controls the multi-connected machine system
System is with the operation of pure heating mode；
If the current outdoor environment temperature is more than or equal to the 6th preset value, control module if, controls described multi-joint
Machine system is run with pure refrigeration mode.
10. the temperature-sensitive package detection device of outdoor heat exchanger in multi-line system as claimed in claim 6, which is characterized in that
When the outdoor heat exchanger is made of upper heat exchange unit, middle heat exchange unit and lower heat exchange unit, first temperature sensing package
The corresponding lower heat exchange unit setting, second temperature sensing package correspond to the upper heat exchange unit setting；
When the outdoor heat exchanger is made of left heat exchange unit and right heat exchange unit, first temperature sensing package corresponds to the left side and changes
Hot cell setting, second temperature sensing package correspond to the right heat exchange unit setting.
11. a kind of multi-line system, which is characterized in that including in the multi-line system as described in any one of claim 6-10
The temperature-sensitive package detection device of outdoor heat exchanger.
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| CN107255352B (en) * | 2017-07-28 | 2020-06-05 | 广东美的暖通设备有限公司 | Air conditioner and detection method and device for temperature failure or poor contact of radiator of air conditioner |
| CN109506811B (en) * | 2017-09-15 | 2020-10-30 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating system and thermistor detection method and device thereof |
| CN107560097A (en) * | 2017-10-12 | 2018-01-09 | 广东美的暖通设备有限公司 | The module temperature sensor detection method and device of air-conditioning equipment |
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| CN109029790B (en) * | 2018-08-01 | 2024-04-26 | 格力电器（芜湖）有限公司 | Outer machine temperature sensing bag detection device |
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