CN116929803A - Air conditioner business inspection room system and use method - Google Patents
Air conditioner business inspection room system and use method Download PDFInfo
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- CN116929803A CN116929803A CN202210372992.5A CN202210372992A CN116929803A CN 116929803 A CN116929803 A CN 116929803A CN 202210372992 A CN202210372992 A CN 202210372992A CN 116929803 A CN116929803 A CN 116929803A
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- 238000007689 inspection Methods 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 62
- 230000007613 environmental effect Effects 0.000 claims abstract description 30
- 238000004378 air conditioning Methods 0.000 claims description 25
- 230000008859 change Effects 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 description 7
- 239000000047 product Substances 0.000 description 5
- 230000004907 flux Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram 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
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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Abstract
The invention provides an air conditioner business inspection room system and a use method thereof, wherein the business inspection room is internally provided with an adjusting air conditioner, a humidifier, a conveying device, a standard indoor unit, a standard outdoor unit, a detection tool and an operation table, and the adjusting air conditioner is used for adjusting the environmental temperature in the business inspection room; the humidifier is used for adjusting the environmental humidity in the commercial inspection room; the conveying device is used for conveying the machine to be tested into the business inspection room; the standard indoor unit and the standard outdoor unit are used for being connected with the machine to be tested to cooperate with the normal operation of the machine to be tested; the detection tool is used for detecting product parameters and environment parameters of the machine to be detected when in operation; the operation panel is used for controlling and adjusting the operation of the air conditioner, the humidifier, the conveying device, the standard indoor unit, the standard outdoor unit and the detection tool, and displaying the detection result of the detection tool. According to the invention, the environmental parameters of the business inspection room can be adjusted to the standard environment during each inspection so as to avoid the inspection error caused by the environment and make the inspection more accurate.
Description
Technical Field
The invention relates to the technical field of air conditioner detection, in particular to an air conditioner business inspection room system and a use method thereof.
Background
The air conditioner outdoor unit business inspection testing system is connected with standard indoor units and acquisition parts in a pipeline business inspection room, and the operation parameters of the indoor units and the outdoor units are as follows: the running current of the whole machine, the air outlet temperature of the inner machine and the like are used for judging whether the basic refrigerating and heating functions of the air conditioner outer machine to be tested are normal or not, the working condition of checking operation is carried out under the normal temperature condition, but the commodity checking room of the assembly line is frequently used, products in the same batch can influence the environment of the commodity checking room more or less during checking, the environment of the commodity checking room is not completely the same during commodity checking, and the detection error caused by the environment and the deviation of the detection result are caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an air conditioner business inspection room system and a use method thereof, which can adjust the environmental parameters of the business inspection room to a standard environment during each inspection so as to avoid the inspection errors caused by the environment and ensure more accurate inspection.
According to an embodiment of the present invention, there is provided an air-conditioning business check room system, characterized in that: comprises a commodity inspection room, wherein an adjusting air conditioner, a humidifier, a conveying device, a standard indoor unit, a standard outdoor unit, a detection tool and an operation table are arranged in the commodity inspection room,
the adjusting air conditioner is used for adjusting the environmental temperature in the commercial inspection room;
the humidifier is used for adjusting the environmental humidity in the business examination room;
the conveying device is used for conveying the machine to be tested into the business inspection room;
the standard indoor unit and the standard outdoor unit are used for being selectively connected with the machine to be tested to form a normal air conditioner operation system by matching with the machine to be tested;
the detection tool is used for detecting product operation parameters of the machine to be detected and commercial inspection room environment parameters when the air conditioner operation system is operated;
the operation panel is used for controlling and adjusting an air conditioner, a humidifier, a conveying device, a standard indoor unit, a standard outdoor unit, a detection tool and an air conditioner operation system and displaying detection and analysis results of the detection tool.
According to an embodiment of the present invention, there is also provided a method for using an air conditioner business check room system, which is characterized in that: comprising the following steps:
s1: determining a standard environment of a business inspection room according to the type of the machine to be inspected and the mode to be inspected;
s2: adjusting environmental parameters in the business inspection room to a standard environment by using an adjusting air conditioner and a humidifier;
s3: keeping a standard environment of a business inspection room for a period of time, recording and adjusting control parameters of an air conditioner and a humidifier, namely, the standard environment control parameters, and fixedly setting the control parameters of the air conditioner and the humidifier as the standard environment control parameters;
s4: sending the machine to be tested into a commercial inspection room according to the type of the machine to be tested, connecting the machine to be tested with a corresponding standard indoor machine or a standard outdoor machine to form a normal air-conditioning operation system, connecting the air-conditioning operation system with a detection tool, and then adjusting the environmental parameters in the commercial inspection room to the standard environment again;
s5: controlling the operation of the air conditioner operation system, and acquiring parameters in the operation process of the machine to be tested in the system and environmental parameter change values in a business inspection room by using a detection tool;
s6: and according to the model information of the machine to be tested, the stored operation parameters of the standard machine with the same model under the same mode to be tested are called, and whether the machine to be tested accords with the detection standard is judged.
Preferably, before S4, the standard parameter curve and standard deviation are also acquired, and the acquisition method is as follows:
firstly, adjusting environmental parameters in a business inspection room to a standard environment by using an adjusting air conditioner and a humidifier;
step two, connecting a standard indoor unit and a standard outdoor unit to form a standard air conditioning system;
starting a standard air conditioning system, controlling the standard air conditioning system to operate for a period of time in a to-be-detected mode, respectively recording the change curves of all operation parameters of the standard indoor unit and the standard outdoor unit in the to-be-detected mode operation period by using a detection tool, and storing according to model information of the standard indoor unit and the standard outdoor unit and the to-be-detected mode;
the mode to be detected can be any air conditioner operation mode such as a refrigerating mode, a heating mode, a dehumidifying mode, a self-cleaning mode and the like.
Preferably, in the step S5, control parameters of the air conditioner and the humidifier are kept unchanged, and the detection tool obtains the parameter change condition of the business inspection room at the moment and is used for evaluating the performance of the machine to be tested in the standard environment.
Preferably, the business check room is divided into an indoor environment area and an outdoor environment area, and in S4:
if the machine to be tested is an indoor machine, the indoor machine is placed in an indoor environment area and is connected with a standard outdoor machine to form the air conditioner operation system;
and if the machine to be tested is an outdoor machine, the machine to be tested is placed in an outdoor environment area and is connected with a standard indoor machine to form the air conditioner operation system.
Compared with the prior art, the invention has the following beneficial effects:
the system provided by the invention has the advantages that: the control console controls and regulates the air conditioner and the humidifier to regulate the environment of the business inspection room to the standard environment, and the machine to be tested is sent into the business inspection room through the conveying device, so that the standard environment of the business inspection room can be ensured to be stable, the machine to be tested is not interfered by human factors, and meanwhile, errors caused by different environmental factors during detection of different machines to be tested can be eliminated; the detection tool can detect all data of the machine to be detected, the business detection room and the standard machine, is comprehensive in detection, has no interference of artificial factors, and is very accurate in detection result.
The method provided by the invention has the advantages that: when the machine to be detected is subjected to commercial detection every time, a mode to be detected and the standard environment of a commercial detection room are determined according to the type of the machine to be detected, the environmental parameters in the commercial detection room are adjusted to the standard environment by controlling and adjusting an air conditioner and a humidifier, then detection is performed, and the influence of environmental factors on a detection result can be eliminated by ensuring that the detection is performed in the required standard environment every time, so that the detection result is more accurate.
Drawings
FIG. 1 is a schematic diagram of a business screening room according to an embodiment of the present invention.
FIG. 2 is a flow chart of a business screening room use according to an embodiment of the present invention.
In the above figures: the system comprises an operation desk 1, a conveying device 2, a machine to be tested 3, an indoor environment area 4, a standard indoor unit 5, a standard outdoor unit 6, an outdoor environment area 7, a humidifier 8 and an adjusting air conditioner 9.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1, an embodiment of the invention provides an air-conditioning business inspection room system, which comprises a business inspection room, wherein an adjusting air conditioner 9, a humidifier 8, a conveying device 2, a standard indoor unit 5, a standard outdoor unit 6, a detection tool and an operation console 1 are arranged in the business inspection room.
The air conditioner 9 is a cold-warm air conditioner, can refrigerate or heat and is used for adjusting the environmental temperature in the commercial inspection room;
the humidifier 8 is used for adjusting the environmental humidity in the commercial inspection room;
the conveying device 2 is used for conveying the machine 3 to be tested into the business inspection room;
the standard indoor unit 5 and the standard outdoor unit 6 are used for being connected with the machine to be tested 3 to cooperate with the machine to be tested 3 to normally operate;
the detection tool is used for detecting product parameters and environment parameters of the machine 3 to be detected in operation, the detection tool comprises an external acquisition tool and an internal acquisition tool, the external acquisition tool is directly installed on an external component of the machine 3 to be detected and in a commodity inspection room and is used for acquiring operation data such as input power, input voltage, heat exchanger coil pressure, exhaust temperature, air inlet temperature, air outlet temperature and the like of the machine 3 to be detected, and environment temperature and humidity and air outlet wind speed and air quantity of the commodity inspection room, and the internal acquisition tool is communicated with the machine 3 to be detected through a communication circuit adapter plate tool to acquire operation data of the internal component of the machine 3 to be detected, wherein the operation data comprises compressor working current, magnetic flux, output power inductance, resistance, D-axis current and the like.
The operation panel 1 is used for controlling and adjusting the operation of the air conditioner 9, the humidifier 8, the conveying device 2, the standard indoor unit 5, the standard outdoor unit 6 and the detection tool, and displaying the detection result of the detection tool.
The humidifier 8 and the adjusting air conditioner 9 can adjust the environmental parameters in the business inspection room to the standard environment, the machine 3 to be tested is conveyed into the business inspection room through the conveying device 2, the influence of artificial factors on the environment of the business inspection room is avoided, if the machine 3 to be tested is an indoor machine, the machine is placed in the indoor environment area 4 and connected with the standard outdoor machine 6, if the machine 3 to be tested is an outdoor machine, the machine to be tested is placed in the outdoor environment area 7 and connected with the standard indoor machine 5, and the standard indoor machine 5 and the standard outdoor machine 6 are matched with the machine 3 to be tested to operate normally, so that the influence of product factors on a detection result can be avoided.
The commercial inspection room is divided into an indoor environment area 4 and an outdoor environment area 7 which are respectively used for simulating indoor environment conditions and outdoor environment conditions, a standard indoor unit 5 is arranged in the indoor environment area 4, a standard outdoor unit 6 is arranged in the outdoor environment area 7, and an adjusting air conditioner 9, a humidifier 8, a conveying device 2 and a detection tool are respectively arranged in an indoor environment area 44 and an outdoor environment area 7; the indoor environment area 4 and the outdoor environment area 7 are respectively arranged, the indoor unit and the outdoor unit to be detected can be respectively tested, meanwhile, because the standard environment difference required by the indoor unit and the outdoor unit to be detected is large, the frequent and overload operation of the air conditioner 9 and the humidifier 8 can be avoided being regulated by the separate arrangement, and the service life of the equipment is prolonged.
As shown in fig. 2, taking the to-be-detected machine 3 as an indoor machine and the to-be-detected mode as a heating mode as an example, the method for using the air conditioner business detection room system is as follows:
s1: determining a standard environment of a business inspection room according to the type and the mode to be inspected of the machine 3 to be inspected;
before detection, external collection tools are installed on the indoor unit 5 to be detected, the standard outdoor unit 6 and the commercial inspection room, and as the indoor unit 3 to be detected is the indoor unit and the mode to be detected is the heating mode, the standard environment of the commercial inspection room is set to be a low-temperature low-humidity environment, the temperature of the indoor environment area 4 can be set to be minus 15 ℃, the humidity is 25%, the temperature of the outdoor environment area 7 is minus 20%, and the humidity is 20%.
S2: the air conditioner 9 and the humidifier 8 are controlled and regulated, and environmental parameters in the commercial inspection room are regulated to a standard environment;
the operation panel 1 controls and regulates the air conditioner 9 to refrigerate, reduce the temperature in the commercial inspection room until the outside detects that the temperature of the indoor environment area 4 is minus 15 ℃, the temperature of the outdoor environment area 7 is minus 20 ℃, the operation panel 1 controls the humidifier 8 to operate until the humidity of the indoor environment area 4 is 25%, the humidity of the outdoor environment area 7 is 20%, then the refrigerating capacity and the humidifying capacity of the air conditioner 9 and the humidifier 8 are kept unchanged, and as the commercial inspection room is generally positioned in a constant-temperature production factory building, and the equipment and personnel determine, the heat loss and the humidity loss are basically kept constant for the commercial inspection room, and the environmental parameters in the commercial inspection room can be kept at the set standard temperature value and the humidity value to be kept stable under the cooperation of the regulation air conditioner 9 and the humidifier 8.
S3: keeping the standard environment of the commercial inspection room for a period of time, recording and adjusting the control parameters of the air conditioner 9 and the humidifier 8, namely, the standard environment control parameters, and fixedly setting the control parameters of the air conditioner 9 and the humidifier 8 as the standard environment control parameters;
s4: sending the machine to be tested 3 into a commercial inspection room according to the type of the machine to be tested 3, connecting the machine to be tested 3 with a corresponding standard indoor machine 5 or a standard outdoor machine 6 to form a normal air-conditioning operation system, connecting the air-conditioning operation system with a detection tool, and then adjusting the environmental parameters in the commercial inspection room to the standard environment again;
the standard environment of the business inspection room is kept for a period of time, so that the environmental parameters of the business inspection room are kept unchanged under the condition that no other heat source enters, and therefore after the control parameters of the business inspection room after the standard environment is kept for a period of time are obtained, the control parameters of the regulating air conditioner 9 and the humidifier 8 are fixedly set to the control parameters, and when the machine 3 to be tested enters the business inspection room to operate, the influence of the machine 3 to be tested on the environment can be accurately detected.
Then, a standard parameter curve and standard deviation are obtained, and the obtaining method is as follows:
firstly, adjusting environmental parameters in a business inspection room to a standard environment by utilizing an adjusting air conditioner 9 and a humidifier 8;
step two, connecting a standard indoor unit 5 and a standard outdoor unit 6 to form a standard air conditioning system;
starting a standard air conditioning system, controlling the standard air conditioning system to operate for a period of time in a heating mode, respectively recording the change curves of all operation parameters in the heating mode operation time periods of the standard indoor unit 5 and the standard outdoor unit 6 by using a detection tool, and storing according to the model information and the waiting mode of the standard indoor unit 5 and the standard outdoor unit 6;
then the external detection tool in the detection tool is arranged on an external component of the machine 3 to be detected, the internal detection tool is in communication connection with the machine 3 to be detected through the communication circuit adapter board tool, the operation parameters of the internal equipment are collected remotely, and then the environment parameters are adjusted to the standard environment again through the control console control adjusting air conditioner 9 and the humidifier 8, so that the influence on the environment in the business inspection room in the process that the machine 3 to be detected is sent into the business inspection room is corrected.
S5: controlling the operation of the air conditioner operation system, and acquiring parameters in the operation process of the indoor unit and environmental parameter change values in the indoor environment area 4 by using a monitoring tool; and then, the control parameters of the air conditioner 9 and the humidifier 8 are kept unchanged, and the detection tool obtains the parameter change condition of the commercial inspection room at the moment and is used for evaluating the performance of the machine 3 to be tested under the standard environment.
The external collection tool in the detection tool collects operation data such as input power, input voltage, heat exchanger coil pressure, exhaust temperature, air inlet temperature, air outlet temperature and the like of the machine to be detected 3, environment temperature and humidity of a business inspection room and air outlet wind speed and air quantity, the internal collection tool collects working current, magnetic flux, output power, inductance, resistance, D-axis current and the like of an internal compressor of the machine to be detected 3, and then all detected operation parameter change curves are sent to the operation table 1.
S6: and (5) checking the parameters acquired by the detection tool in the step (S5) and judging whether the machine 3 to be detected meets the detection standard.
The operation desk 1 receives and checks the change curve sent by the detection tool, compares the change curve with the standard parameter curve in the step S3, and only exemplifies part of parameter comparison processes and judgment results:
calculating the temperature of a motor winding of the compressor according to the working current and the magnetic flux of the compressor 3 to be tested, and if the temperature of the motor winding is higher than the standard deviation range of the standard parameter curve and the output power is smaller than the average power value, primarily judging that the fluorine filling amount of the compressor to be tested is insufficient; if the temperature of the motor winding is calculated to be higher than the standard deviation range of the standard change curve and the output power is larger than the average power value, primarily judging that the energy efficiency to be tested is unqualified or the refrigerating system has the possibility of mixed air, and guiding the next re-inspection of unqualified products according to the judging result;
the parameters of the compressor such as magnetic flux, inductance, resistance, D-axis current and the like can be compared with a standard change curve in consistency, whether the parameter setting of the compressor is wrong or not is judged, and if the parameter setting is wrong or not, the parameter correction or parameter supplement is carried out.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (10)
1. An air conditioner commercial inspection room system which is characterized in that: comprises a commodity inspection room, wherein an adjusting air conditioner, a humidifier, a conveying device, a standard indoor unit, a standard outdoor unit, a detection tool and an operation table are arranged in the commodity inspection room,
the adjusting air conditioner is used for adjusting the environmental temperature in the commercial inspection room;
the humidifier is used for adjusting the environmental humidity in the business examination room;
the conveying device is used for conveying the machine to be tested into the business inspection room;
the standard indoor unit and the standard outdoor unit are used for being selectively connected with the machine to be tested to form a normal air conditioner operation system by matching with the machine to be tested;
the detection tool is used for detecting product operation parameters of the machine to be detected and commercial inspection room environment parameters when the air conditioner operation system is operated;
the operation panel is used for controlling and adjusting an air conditioner, a humidifier, a conveying device, a standard indoor unit, a standard outdoor unit, a detection tool and an air conditioner operation system and displaying detection and analysis results of the detection tool.
2. An air conditioning business check room system as claimed in claim 1, wherein: the air conditioner is a cold and warm air conditioner, so that the environmental temperature in the business inspection room can be adjusted at will within a preset range.
3. An air conditioning business check room system as claimed in claim 1, wherein: the indoor environment area and the outdoor environment area are respectively used for simulating indoor environment conditions and outdoor environment conditions in the business inspection room, the standard indoor unit is arranged in the indoor environment area, and the standard outdoor unit is arranged in the outdoor environment area.
4. An air conditioning business check room system as claimed in claim 3, wherein: and the indoor environment area and the outdoor environment area are respectively internally provided with an air conditioner, a humidifier, a conveying device and a detection tool.
5. An air conditioning business check room system as claimed in claim 1, wherein: the detection tool comprises an external acquisition tool and an internal acquisition tool, wherein the external acquisition tool is used for acquiring operation data of external components of the machine to be detected, environmental temperature and humidity of a business inspection room and wind speed and wind quantity of an air outlet; the internal collection tool is used for collecting operation data of internal components of the machine to be tested.
6. The application method of the air conditioner business inspection room system is characterized by comprising the following steps of: comprising the following steps:
s1: determining a standard environment of a business inspection room according to the type of the machine to be inspected and the mode to be inspected;
s2: adjusting environmental parameters in the business inspection room to a standard environment by using an adjusting air conditioner and a humidifier;
s3: keeping a standard environment of a business inspection room for a period of time, recording and adjusting control parameters of an air conditioner and a humidifier, namely, the standard environment control parameters, and fixedly setting the control parameters of the air conditioner and the humidifier as the standard environment control parameters;
s4: sending the machine to be tested into a commercial inspection room according to the type of the machine to be tested, connecting the machine to be tested with a corresponding standard indoor machine or a standard outdoor machine to form a normal air-conditioning operation system, connecting the air-conditioning operation system with a detection tool, and then adjusting the environmental parameters in the commercial inspection room to the standard environment again;
s5: controlling the operation of the air conditioner operation system, and acquiring parameters in the operation process of the machine to be tested in the system and environmental parameter change values in a business inspection room by using a detection tool;
s6: and according to the model information of the machine to be tested, the stored operation parameters of the standard machine with the same model under the same mode to be tested are called, and whether the machine to be tested accords with the detection standard is judged.
7. The method of using an air conditioning business check room system as claimed in claim 6, wherein:
before S4, standard parameter curves and standard deviations are also required to be obtained, and the obtaining method is as follows:
firstly, adjusting environmental parameters in a business inspection room to a standard environment by using an adjusting air conditioner and a humidifier;
step two, connecting a standard indoor unit and a standard outdoor unit to form a standard air conditioning system;
starting a standard air conditioning system, controlling the standard air conditioning system to operate for a period of time in a to-be-detected mode, respectively recording the change curves of all operation parameters of the standard indoor unit and the standard outdoor unit in the to-be-detected mode operation period by using a detection tool, and storing according to model information of the standard indoor unit and the standard outdoor unit and the to-be-detected mode;
the mode to be detected can be any air conditioner operation mode such as a refrigerating mode, a heating mode, a dehumidifying mode, a self-cleaning mode and the like.
8. The method of using an air conditioning business check room system as claimed in claim 6, wherein: in the step S5, control parameters of the air conditioner and the humidifier are kept unchanged, and the detection tool obtains the parameter change condition of the commercial inspection room at the moment and is used for evaluating the performance of the machine to be tested in a standard environment.
9. The method of using an air conditioning business check room system as claimed in claim 6, wherein: the business check room is divided into an indoor environment area and an outdoor environment area, and in S4:
if the machine to be tested is an indoor machine, the indoor machine is placed in an indoor environment area and is connected with a standard outdoor machine to form the air conditioner operation system;
and if the machine to be tested is an outdoor machine, the machine to be tested is placed in an outdoor environment area and is connected with a standard indoor machine to form the air conditioner operation system.
10. The method of using an air conditioning business check room system as claimed in claim 6, wherein: the standard environment comprises a common environment, a high-temperature high-humidity environment and a low-temperature low-humidity environment;
under the common environment, the temperature of the indoor environment area and the outdoor environment area are 25 ℃ and the humidity is 60%;
under the high-temperature and high-humidity environment, the temperature of the indoor environment area and the outdoor environment area are 30 ℃ and the humidity is 80%;
in the low-temperature low-humidity environment, the temperature of an indoor environment area is-15 ℃, the humidity is 25%, the temperature of an outdoor environment area is-20 ℃, and the humidity is 20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210372992.5A CN116929803A (en) | 2022-04-11 | 2022-04-11 | Air conditioner business inspection room system and use method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210372992.5A CN116929803A (en) | 2022-04-11 | 2022-04-11 | Air conditioner business inspection room system and use method |
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| CN116929803A true CN116929803A (en) | 2023-10-24 |
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| CN202210372992.5A Pending CN116929803A (en) | 2022-04-11 | 2022-04-11 | Air conditioner business inspection room system and use method |
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