CN113551928A - Parking air conditioner detection method and device and parking air conditioner - Google Patents
Parking air conditioner detection method and device and parking air conditioner Download PDFInfo
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- CN113551928A CN113551928A CN202110798292.8A CN202110798292A CN113551928A CN 113551928 A CN113551928 A CN 113551928A CN 202110798292 A CN202110798292 A CN 202110798292A CN 113551928 A CN113551928 A CN 113551928A
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- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 239000003507 refrigerant Substances 0.000 claims abstract description 79
- 238000002360 preparation method Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 25
- 230000008569 process Effects 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims description 17
- 238000004590 computer program Methods 0.000 claims description 11
- 238000011897 real-time detection Methods 0.000 claims description 6
- 230000037452 priming Effects 0.000 claims 1
- 230000006872 improvement Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 4
- 241001391944 Commicarpus scandens Species 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000007689 inspection Methods 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
- 239000003921 oil Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00585—Means for monitoring, testing or servicing the air-conditioning
Abstract
The invention provides a parking air conditioner detection method, a control device, a parking air conditioner and a readable medium, wherein the parking air conditioner detection method comprises the following steps: s1, detecting the pressure P of the refrigerant pipeline in real time11(ii) a S2, when P11When the first preset condition is met, at delta t1Continuously acquiring refrigerant pipeline pressures P on n evaporators within a long time21、P22…P2nIn which P is21、P22…P2nP for minimum value ofminRepresents; s3, judging whether P is presentminFirst target vacuum degree PPreparation 1If yes, executing preset operation; if not, the process returns to step S1. The detection method can automatically record the disassembly and assembly times of the parking air conditioner, has high detection accuracy, and provides data support for after-sale and improvement of the air conditioner.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a parking air conditioner detection method and device and a parking air conditioner.
Background
In the industries of capital construction, transportation, and the like, a heavy truck, which is one of the long-distance transportation means, plays a very important role. In hot summer, especially when the vehicle needs to be stopped for rest or occasionally is blocked and needs to be stopped for a long time, the original vehicle air conditioner is simply started, a large amount of fuel oil needs to be consumed, and the refrigeration cost is high. The parking air conditioner is an air conditioner used for waiting for parking and resting, and is usually installed on a truck and a van; the original vehicle storage battery or the additional storage battery is used for supplying power, and an original vehicle engine is not used, so that the oil consumption is saved, a comfortable driving or resting environment is provided for passengers, the tail gas pollution can be reduced, and the influence of the idling speed of the engine on the service life of the engine is reduced as much as possible. Therefore, compared with the traditional original vehicle air conditioner, the 'parking air conditioner' is gradually becoming a product just needed in the truck market, and the sales volume is continuously increased.
Compared with the traditional household air conditioner, the parking air conditioner has more complex and severe operating conditions, such as bumpy road conditions, rainy and snowy weather and the like, is easy to break down, is usually difficult to maintain on line, and needs to be repaired after being disassembled; on the other hand, the air conditioner is rarely disassembled and assembled after being fixed relative to a household air conditioner, and the split type or integrated parking air conditioner needs to be frequently disassembled and assembled so as to meet the requirements of annual inspection, maintenance and the like of the vehicle; the parking air conditioner is easy to break down due to the fact that the dismounting process is not standard, great difficulty is brought to after-sale service, and the satisfaction degree of users is influenced.
Therefore, a method for accurately and quickly detecting the number of times of assembling and disassembling the parking air conditioner is needed.
Disclosure of Invention
The parking air conditioner and the method solve the problem that the parking air conditioner cannot automatically identify and judge the number of times of dismounting and mounting of the parking air conditioner in the prior art, and are not beneficial to after-sale service of the parking air conditioner.
In order to solve the above problems, the present invention provides a parking air conditioner detection method, including: s1, detecting the pressure P of the refrigerant pipeline in real time11(ii) a S2, when P11When the first preset condition is met, at delta t1Continuously acquiring the pressure P of refrigerant pipelines on n evaporators within a long time21、P22...P2nIn which P is21、P22...P2nP for minimum value ofminRepresents; s3, judging whether P is presentminFirst target vacuum degree PPreparation 1If yes, executing preset operation; if not, the process returns to step S1.
Preferably, the preset operation includes N ═ N +1, where N is the number of times of attaching and detaching the parking air conditioner.
Preferably, the first preset condition is P11＜P1In which P is1Is the normal pipeline pressure after the refrigerant is filled.
Preferably, the step S3 includes: s31, judging whether P is presentmin＞PPreparation 1If so, the vacuum degree of the refrigerant pipeline is lower than the preset value, and the step S32 is carried out; if not, returning to the step S1; s33, at Deltat2Long-time real-time detection of refrigerant pipeline pressure P31In which P is31＝PsHas an operating time period of t2Judging whether t is present2＞tPreparation ofIf yes, executing preset operation; if not, the process returns to step S1.
Preferably, the step S33 includes: s331, at delta t2Long-time real-time detection of refrigerant pipeline pressure P31In which P is31＝PsHas an operating time period of t2Judging whether t is present2＞tPreparation ofIf yes, go to step S332; if not, returning to the step S1; s332, detecting pressure P of refrigerant pipeline in real time41When P is41When the second preset condition is met, at delta t3Continuously acquiring n evaporator pipeline pressures P in a long time51、P52...P5nIn which P is51、P52...P5nRespectively using P as the maximum value and the minimum value ofma、PmiRepresents; s333, judging whether P is presentma-Pmi＞PPreparation 2If yes, executing preset operation; if not, the process returns to step S1.
Preferably, the second presetWith the proviso that P41＜PsIn which P issIs at standard atmospheric pressure.
Compared with the prior art, the parking air conditioner detection method has the following beneficial effects:
(1) the parking air conditioner detection method provided by the invention firstly researches the problem that the parking air conditioner is frequently disassembled and assembled and is easy to break down, realizes automatic detection of the disassembling and assembling times of the parking air conditioner, and provides data support for after-sale and improvement of the air conditioner; (2) the method has the advantages that the judgment is carried out by combining the change condition of the pipeline pressure of the evaporator and the vacuum degree of the refrigerant pipeline and the maintaining time under certain vacuum degree, the interference is effectively eliminated, and the detection accuracy and reliability are improved; (3) the used hardware is less, the use is small, the structure is simple, and the implementation is convenient.
The present invention also provides a parking air conditioner control device, comprising: the detection unit is used for detecting the pressure values of an evaporator and a refrigerant pipeline on the parking air conditioner in the process of dismounting the parking air conditioner; the judging unit is used for judging whether the detected pressure value reaches a preset pressure value or not; and the control unit is used for controlling the parking air conditioner to execute preset operation when the detected pressure value meets the preset condition.
The invention also provides a parking air conditioner, which comprises a computer readable storage medium and a processor, wherein the computer readable storage medium is used for storing a computer program, and the computer program is read by the processor and runs to realize the parking air conditioner detection method. The invention also provides a computer readable storage medium, which stores a computer program, and when the computer program is read and executed by a processor, the parking air conditioner detection method is realized. The above hardware has the same beneficial effects as the detection method, and is not described herein again.
Drawings
FIG. 1 is a schematic diagram showing the pressure change of refrigerant pipelines during the assembly and disassembly process;
fig. 2 is a schematic flow chart of a parking air conditioner detection method according to embodiment 1 of the present invention;
fig. 3 is a schematic flow chart of a parking air conditioner detection method according to embodiment 2 of the present invention;
fig. 4 is a schematic flow chart of a parking air conditioner detection method according to embodiment 3 of the invention;
fig. 5 is a schematic structural diagram of a parking air conditioner control device according to an embodiment of the present invention.
Description of reference numerals:
10-a detection unit, 20-a judgment unit and 30-a control unit.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The terms "first," "second," "third," and the like in the description and in the claims, and in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to the listed steps or elements. But may optionally also include other steps or elements not expressly listed or inherent to such process, method, article of manufacture, or apparatus.
Reference throughout this specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. One skilled in the art will appreciate that the embodiments described herein can be combined with other embodiments.
At present, the parking air conditioner needs to be disassembled for annual examination; meanwhile, the parking air conditioner is complex in operation condition and needs to be disassembled for maintenance after being operated for a long time. Compared with a household air conditioner, the parking air conditioner is frequently assembled and disassembled; the non-professional dismounting and mounting can also influence the service life of the parking air conditioner; whether the parking air conditioner has maintenance value after the fault occurs or not is an important index. If manual recording is carried out, the defects of complex operation, inconvenience in carrying along with a vehicle and the like exist. Therefore, the applicant judges and automatically records the times of disassembly and assembly according to the pressure change of the refrigerant pipeline before and after disassembly and assembly, is simple and reliable, and can provide data support for after-sale maintenance and the like of the air conditioner.
Specifically, as shown in fig. 1, the pressure of the refrigerant line of the parking air conditioner under the initial condition, that is, after the parking air conditioner is normally filled with the refrigerant, is P1For example, 1.1, 1.2, 1.3Mpa, the refrigerant in the pipeline needs to be collected before disassembly, at this time, the refrigerant pipeline is in a vacuum state, and the pressure of the pipeline is P2Such as-0.1, -0.01MPa, etc.; when the evaporator is detached, the refrigerant pipeline is communicated with the outside at the moment, and the pressure is P3In which P is3Is at atmospheric pressure Ps(ii) a Before filling the refrigerant, the refrigerant pipeline needs to be vacuumized again, and the pressure of the refrigerant pipeline is P4E.g., -0.1, -0.01MPa, and the pressure of the pipeline is P after the refrigerant is filled5Such as 1.1, 1.2 and 1.3 MPa.
Example 1
As shown in fig. 2, a parking air conditioner detecting method includes:
s1, detecting the pressure P of the refrigerant pipeline in real time11(ii) a Under normal conditions, a refrigerant pipeline of the parking air conditioner has certain pressure due to refrigerant filling.
S2, when P11When the first preset condition is met, at delta t1Continuously acquiring the pressure P of refrigerant pipelines on n evaporators within a long time21、P22...P2nIn which P is21、P22...P2nP for minimum value ofminRepresents; the preset condition is P11＜P1In which P is1Is the pressure of the pipeline after the refrigerant is filled. When the air conditioner is disassembled and needs to be vacuumized or the refrigerant leaks, the pressure P of the refrigerant pipeline can be caused11Wherein said duration Δ t is reduced1The time for recovering the refrigerant is longer than 5min, 10min, 20min, 40min and 60 min;
s3, judging whether P is presentminFirst target vacuum degree PPreparation 1If yes, go to step S4; if not, returning to the step S1; preference is given toDetecting the ambient temperature TRing (C)According to said ambient temperature TRing (C)Inquiring a preset environment temperature-target pressure comparison table to obtain the first target vacuum degree PPreparation 1. The first target vacuum degree PPreparation 1Can be-0.02 MPa, -0.03MPa, -0.05MPa, -0.07MPa, -0.09MPa or-0.1 MPa. Obviously leakage of refrigerant, PminThe pressure is always above the standard atmospheric pressure, and the vacuum state in the refrigerant pipeline can not occur; and the refrigerant is completely transferred into the condenser of the outer machine only by utilizing the compressor, the valve bodies of the inner machine and the outer machine are disconnected, and the pressure of the evaporator is gradually reduced to a vacuum state from the normal refrigerant filling.
And S4, executing preset operation. The preset operation comprises the number of times N +1 of dismounting and mounting of the parking air conditioner, and data support is provided for subsequent after-sale service and product improvement. At Δ t1The pressure of the internal refrigerant pipeline is quickly reduced to vacuum pressure from certain positive pressure, which generally represents that the parking air conditioner is disassembled.
Example 2
As shown in fig. 3, a parking air conditioner detecting method includes:
s1, detecting the pressure P of the refrigerant pipeline in real time11(ii) a Under normal conditions, a refrigerant pipeline of the parking air conditioner has certain pressure due to refrigerant filling.
S2, when P11When the first preset condition is met, at delta t1Continuously acquiring n evaporator pipeline pressures P within a time period21、P22...P2nIn which P is21、P22...P2nP for minimum value ofminRepresents; the first preset condition is P11＜P1In which P is1Is the normal pipeline pressure after the refrigerant is filled. When the air conditioner is disassembled, the pressure P of the refrigerant pipeline can be caused by vacuumizing or refrigerant leakage11Reduction of (d); wherein the time duration Δ t1The time for recovering the refrigerant is longer than 5min, 10min, 20min, 40min and 60 min;
s3, judging whether P is presentmin＞PPreparation 1If yes, go to step S4; if not, returning to the step S1; preferably, the detection environmentTemperature TRing (C)According to said ambient temperature TRing (C)Inquiring a preset environment temperature-target pressure comparison table to obtain the first target vacuum degree PPreparation 1. The first target vacuum degree PPreparation 1Can be-0.02 MPa, -0.03MPa, -0.05MPa, -0.07MPa, -0.09MPa or-0.1 MPa. The refrigerant is completely transferred to the condenser of the outer machine by the compressor, the valve bodies of the inner machine and the outer machine are disconnected, and the pressure of the evaporator is gradually reduced to a vacuum state from the normal refrigerant filling. Obviously leakage of refrigerant, PminThe refrigerant pipeline is always above the standard atmospheric pressure, a vacuum state cannot occur in the refrigerant pipeline, the interference of refrigerant leakage can be effectively eliminated under the judgment condition, and the accuracy of the detection method is improved;
s4, at Deltat2Long-time real-time detection of refrigerant pipeline pressure P31In which P is31＝PsHas an operating time period of t2Judging whether t is present2＞tPreparation ofIf yes, go to step S5; if not, returning to the step S1; wherein t isPreparation ofDetermining according to actual conditions, such as 1min, 3min, 5min, 10min and the like; the operation can eliminate the situation that the air conditioner is not directly operated again after the refrigerant is completely transferred to the condenser of the outer unit by the compressor without being disassembled and assembled, and further improves the accuracy of the detection method. When the evaporator of the air conditioner is detached, the refrigerant pipeline is communicated with the outside, namely P31Is equal to Ps，t2The time of the air conditioner is influenced by the maintenance time of the air conditioner.
And S5, executing preset operation. The preset operation comprises the number of times N +1 of dismounting and mounting of the parking air conditioner, and data support is provided for subsequent after-sale service and product improvement. At Δ t1The pressure of the internal refrigerant pipeline is rapidly reduced from positive pressure to vacuum pressure, which generally represents that the parking air conditioner is disassembled when t2＞tPreparation ofThe evaporator is now removed from the air conditioner for maintenance.
Example 3
As shown in fig. 4, a parking air conditioner detecting method includes: s1, detecting the pressure P of the refrigerant pipeline in real time11(ii) a Under normal conditions, the refrigerant pipeline of the parking air conditioner has certain existence due to filling of refrigerantThe pressure of (a); when the air conditioner is disassembled, the pressure P of the refrigerant pipeline can be caused by vacuumizing or refrigerant leakage11Is reduced.
S2, when P11When the first preset condition is met, at delta t1Continuously acquiring n evaporator pipeline pressures P in a long time21、P22...P2nIn which P is21、P22...P2nP for minimum value ofminRepresents; the first preset condition is P11＜P1In which P is1Is the pressure of the pipeline after the refrigerant is filled. Wherein the time duration Δ t1The time for recovering the refrigerant is longer than 5min, 10min, 20min, 40min and 60 min;
s3, judging whether P is presentmin＞PPreparation 1If yes, go to step S4; if not, returning to the step S1; preferably, the ambient temperature T is detectedRing (C)According to said ambient temperature TRing (C)Inquiring a preset environment temperature-target pressure comparison table to obtain the first target vacuum degree PPreparation 1. The first target vacuum degree PPreparation 1Can be-0.02 MPa, -0.03MPa, -0.05MPa, -0.07MPa, -0.09MPa or-0.1 MPa. The refrigerant is completely transferred to the condenser of the outer machine by the compressor, the valve bodies of the inner machine and the outer machine are disconnected, and the pressure of the evaporator is gradually reduced to a vacuum state from the normal refrigerant filling.
S4, at Deltat2Long-time real-time detection of refrigerant pipeline pressure P31In which P is31＝PsHas an operating time period of t2Judging whether t is present2＞tPreparation ofIf yes, go to step S5; if not, returning to the step S1; where Δ t2Determined according to actual conditions, such as 5min, 1min, 20min, 40min and the like, tPreparation ofDetermining according to actual conditions, such as 1min, 3min, 5min, 10min and the like; the operation can effectively eliminate the situation that the air conditioner is not directly operated again after the refrigerant is completely transferred to the condenser of the outer unit by the compressor without being disassembled and assembled, and further improves the accuracy of the detection method. When the evaporator of the air conditioner is detached, the refrigerant pipeline is communicated with the outside, namely P31Is equal to Ps，t2The time of the air conditioner is influenced by the maintenance time of the air conditioner.
S5, detecting the pressure P of the refrigerant pipeline in real time41When P is41When the second preset condition is met, at delta t3Continuously acquiring n evaporator pipeline pressures P in a long time51、P52...P5nIn which P is51、P52...P5nRespectively using P as the maximum value and the minimum value ofma、PmiRepresents; the second preset condition is P41＜PsIn which P issIs standard atmospheric pressure; where Δ t3Determining according to actual conditions, such as 5min, 10min, 20min, 40min and 60 min;
s6, judging whether P is presentma-Pmi＞PPreparation 2If yes, go to step S7; if not, returning to the step S1; when filling the refrigerant, at first carry out the evacuation to the refrigerant pipeline, the pressure of refrigerant pipeline this moment is minimum, fills behind the refrigerant, refrigerant pipeline pressure resumes normal level, and this step of judgement can further improve the accuracy of judging air conditioner dismouting number of times and detecting. The second preset pressure PPreparation 2Empirically, it can be 1.1, 1.2, or 1.3 MPa.
And S7, executing preset operation. The preset operation comprises the number of times N +1 of dismounting and mounting of the parking air conditioner, and data support is provided for subsequent after-sale service and product improvement. At Δ t1The pressure of the internal refrigerant pipeline is rapidly reduced from positive pressure to vacuum pressure, which generally represents that the parking air conditioner is disassembled when t2＞tPreparation ofThe evaporator is now removed from the air conditioner for maintenance.
Example 4
As shown in fig. 5, a parking air-conditioning control device includes:
the detection unit 10 is used for detecting pressure values of an evaporator and a refrigerant pipeline on the parking air conditioner in the process of assembling and disassembling the parking air conditioner; the detection unit 10 comprises a pressure sensor, a temperature sensor and a timer, wherein the pressure sensor is respectively arranged on the evaporator and the refrigerant pipeline and detects the output voltage of the pressure sensor; and acquiring the pressure value according to the pre-stored relationship between the output voltage and the pressure and the detected output voltage value. The output voltage can be detected by adopting a ten-bit AD sampling circuit.
A judging unit 20 for judging whether the detected pressure value reaches a preset pressure value;
and a control unit 30 for controlling the parking air conditioner to perform a predetermined operation when the detected pressure value satisfies a preset condition, wherein the predetermined operation further includes recording the time spent in the dismounting and mounting process, if the dismounting and mounting times N is N + 1.
The parking air conditioner control device has the same beneficial effects as the detection method, and the description is omitted here.
The invention also provides a parking air conditioner, which comprises a computer readable storage medium and a processor, wherein the computer readable storage medium is used for storing a computer program, and the computer program is read by the processor and runs to realize the detection method. The parking air conditioner comprises an evaporator, a condenser, a compressor, a cooling fan, a refrigerant pipeline, a valve body and other structures, and the structures and the assembly relation are the prior art and are not repeated herein.
The invention also provides a computer-readable storage medium, which stores a computer program, and when the computer program is read and executed by a processor, the detection method is realized. The computer readable storage medium may be a computer readable storage medium or a computer readable signal medium. Wherein the readable storage medium comprises an electrical connection having one or more wires, a portable computer diskette, a hard disk, a random access memory, a read-only memory, an erasable programmable read-only memory or flash memory, an optical fiber, a portable compact disc read-only memory, an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. A computer readable storage medium may be an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. In the present invention, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A readable signal medium includes a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such propagated data signals may comprise, but are not limited to, electromagnetic signals, optical signals, or any suitable combination thereof. But can, of course, be any computer-readable medium that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. A parking air conditioner detection method is characterized by comprising the following steps: s1, detecting the pressure P of the refrigerant pipeline in real time11(ii) a S2, when P11When the first preset condition is met, at delta t1Continuously acquiring refrigerant pipeline pressures P on n evaporators within a long time21、P22...P2nIn which P is21、P22...P2nP for minimum value ofminRepresents; s3, judging whether P is presentminFirst target vacuum degree PPreparation 1If yes, executing preset operation; if not, the process returns to step S1.
2. The method according to claim 1, wherein the predetermined operation includes N-N +1, where N is a number of times of attaching and detaching the parking air conditioner.
3. The parking air conditioner detection method according to claim 1, wherein the first preset condition is P11＜P1In which P is1For filling with coldNormal line pressure after priming.
4. The parking air conditioner detection method according to any one of claims 1 to 3, wherein the step S3 includes: s31, judging whether P is presentmin＞PPreparation 1If yes, go to step S32; if not, returning to the step S1; s33, at Deltat2Long-time real-time detection of refrigerant pipeline pressure P31In which P is31＝PsHas an operating time period of t2Judging whether t is present2＞tPreparation ofIf yes, executing preset operation; if not, the process returns to step S1.
5. The parking air conditioner detection method according to claim 4, wherein the step S33 includes: s331, at delta t2Long-time real-time detection of refrigerant pipeline pressure P31In which P is31＝PsHas an operating time period of t2Judging whether t is present2＞tPreparation ofIf yes, go to step S332; if not, returning to the step S1; s332, detecting pressure P of refrigerant pipeline in real time41When P is41When the second preset condition is met, at delta t3Continuously acquiring n evaporator pipeline pressures P in a long time51、P52...P5nIn which P is51、P52...P5nRespectively using P as the maximum value and the minimum value ofma、PmiRepresents; s333, judging whether P is presentma-Pmi＞PPreparation 2If yes, executing preset operation; if not, the process returns to step S1.
6. The parking air conditioner detection method according to claim 4, wherein the second preset condition is P41＜PsIn which P issIs at standard atmospheric pressure.
7. A parking air conditioner control device characterized by comprising: the detection unit (10) is used for detecting pressure values of an evaporator and a refrigerant pipeline on the parking air conditioner in the process of dismounting the parking air conditioner; a judging unit (20) for judging whether the detected pressure value reaches a preset pressure value; and a control unit (30) for controlling the parking air conditioner to perform a preset operation when the detected pressure value satisfies a preset condition.
8. A parking air conditioner comprising a computer readable storage medium storing a computer program and a processor, the computer program being read and executed by the processor to implement the parking air conditioner detecting method according to any one of claims 1 to 6.
9. A computer-readable storage medium, characterized in that it stores a computer program which, when read and executed by a processor, implements a parking air conditioner detection method according to any one of claims 1-6.
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