CN111231605A - Vehicle-mounted air conditioner control method for avoiding high-voltage protection, computer readable storage medium and air conditioner - Google Patents
Vehicle-mounted air conditioner control method for avoiding high-voltage protection, computer readable storage medium and air conditioner Download PDFInfo
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- CN111231605A CN111231605A CN202010059219.4A CN202010059219A CN111231605A CN 111231605 A CN111231605 A CN 111231605A CN 202010059219 A CN202010059219 A CN 202010059219A CN 111231605 A CN111231605 A CN 111231605A
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- air conditioner
- conditioner unit
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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
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00764—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a vehicle driving condition, e.g. speed
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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
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3205—Control means therefor
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- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Conditioning Control Device (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides a vehicle-mounted air conditioner control method for avoiding high-voltage protection, a computer readable storage medium and an air conditioner. By monitoring the vehicle running speed parameter in real time, detecting the pressure parameter of the air conditioner unit in real time when the vehicle running speed reaches the set condition, optimizing and adjusting the running parameter of the air conditioner unit in real time according to the pressure parameter of the air conditioner unit, and adding the control logic, the high-voltage protection problem caused by the adverse effect of the wind speed on the heat dissipation of the heat exchanger when the air conditioner unit runs at high speed is effectively solved under the condition of ensuring the safety and reliability of a model machine, and the reliability of the air conditioner unit is further improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a vehicle-mounted air conditioner control method for avoiding high-voltage protection, a computer readable storage medium and an air conditioner.
Background
When the air conditioner is used for refrigerating and heating, high pressure can be generated in the condenser, potential safety hazards can be caused when the pressure is too high, and a high-pressure protection device is usually arranged in the system. The high-pressure protection can stop the unit when the system pressure is too high, so that safety accidents caused by too high pressure are avoided.
The vehicle-mounted air conditioner is different from a conventional air conditioner in use environment, and is usually used in the running process of a vehicle, and the installation mode of the air conditioner is different from that of the conventional air conditioner: the top-mounted type (the air conditioner is installed at the roof), the bottom-mounted type (the air conditioner is installed at the bottom), the side-mounted type (the air conditioner is installed at the side of the vehicle), different installation modes have different influences on the heat exchange effect of the outdoor heat exchanger when the vehicle runs, some installation modes are more beneficial to heat dissipation of the outdoor heat exchanger, some installation modes have adverse effects on the outdoor heat exchanger, when the vehicle runs to a certain speed, the risk of high-voltage protection exists.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a vehicle-mounted air conditioner control method for avoiding causing high-voltage protection, adds a control logic for controlling and eliminating abnormity on the basis of a conventional control logic, and can effectively solve the problem of high-voltage protection caused by the adverse effect of wind speed on the heat dissipation of a heat exchanger when an air conditioner unit runs at high speed.
In order to achieve the purpose, the invention adopts the following technical scheme:
the vehicle-mounted air conditioner control method for avoiding high-voltage protection is characterized in that a vehicle running speed parameter is monitored in real time after an air conditioner unit is started to run, when the condition that the vehicle running speed parameter is abnormal and meets a set condition is monitored, a pressure parameter of the air conditioner unit is monitored in real time, and the running parameter of the air conditioner unit is adjusted according to the monitored pressure parameter of the air conditioner unit. By monitoring the vehicle running speed parameter in real time, detecting the pressure parameter of the air conditioner unit in real time when the vehicle running speed reaches the set condition, optimizing and adjusting the running parameter of the air conditioner unit in real time according to the pressure parameter of the air conditioner unit, and adding the control logic, the high-voltage protection problem caused by the adverse effect of the wind speed on the heat dissipation of the heat exchanger when the air conditioner unit runs at high speed is effectively solved under the condition of ensuring the safety and reliability of a model machine, and the reliability of the air conditioner unit is further improved.
Further, the adjusting of the operation parameters of the air conditioner unit specifically includes: and adjusting the running frequency of a compressor and the gear of an external fan of the air conditioner unit. In order to solve the problem of high-voltage protection caused by adverse effect of wind speed on heat dissipation of a heat exchanger when an air conditioner unit runs at high speed, the high-voltage protection can be realized by specifically changing the running frequency of a compressor and the gear of an external fan of the air conditioner unit through control logic.
Further, the adjusting of the operating parameters of the air conditioner unit according to the monitored pressure parameters of the air conditioner unit specifically comprises: when the pressure parameter P of the air conditioner unit is larger than or equal to P1, controlling the operating frequency F of the compressor of the air conditioner unit to be smaller than or equal to F1, wherein P1 is a first high-pressure preset value of the air conditioner unit, and F1 is a first operating frequency preset value of the compressor of the air conditioner unit. When the pressure parameter P of the air conditioner unit is greater than or equal to the first high-pressure preset value P1 of the air conditioner unit, it indicates that the air conditioner unit may enter a high-pressure protection state, and at this time, the air conditioner unit is prevented from entering the high-pressure protection state by controlling the operating frequency F of the compressor of the air conditioner unit and ensuring that the operating frequency F is not higher than the first operating frequency preset value F1.
Further, when the pressure parameter P of the air conditioner unit is larger than or equal to P1, the operating gear of the external fan of the air conditioner unit is controlled to be N1 gear, and N1 gear is the first preset gear of the external fan of the air conditioner unit. When the pressure parameter P of the air conditioner unit is greater than or equal to the first high-pressure preset value P1 of the air conditioner unit, it indicates that the air conditioner unit may enter a high-pressure protection state, and at this time, the air conditioner unit may be prevented from entering the high-pressure protection state by adjusting the operation gear of the external fan of the compressor of the air conditioner unit to the first preset gear N1.
Further, the adjusting of the operating parameters of the air conditioner unit according to the monitored pressure parameters of the air conditioner unit specifically comprises: and when the pressure parameter P2 of the air conditioner unit is not less than P and is less than P1, controlling the running frequency F of the compressor of the air conditioner unit to be not less than F2, wherein P2 is a second high-pressure preset value of the air conditioner unit, and F2 is a second running frequency preset value of the compressor of the air conditioner unit. When the pressure parameter P of the air conditioner unit is greater than or equal to the second high-pressure preset value P2 of the air conditioner unit and is smaller than the first high-pressure preset value P1 of the air conditioner unit, it indicates that the air conditioner unit may enter a high-pressure protection state, and at this time, the air conditioner unit is prevented from entering the high-pressure protection state by controlling the operating frequency F of a compressor of the air conditioner unit and ensuring that the operating frequency F is not higher than the second operating frequency preset value F2.
Further, when the pressure parameter P2 of the air conditioner unit is not more than P < P1, the operation gear of the external fan of the air conditioner unit is controlled to be N2, and N2 is a second preset gear of the external fan of the air conditioner unit. When the pressure parameter P of the air conditioner unit is greater than or equal to the second high-pressure preset value P2 of the air conditioner unit and is smaller than the first high-pressure preset value P1 of the air conditioner unit, it indicates that the air conditioner unit may enter a high-pressure protection state, and at this time, the air conditioner unit may be prevented from entering the high-pressure protection state by adjusting the operation gear of the external fan of the compressor of the air conditioner unit to the second preset gear N2.
Further, when the pressure parameter P of the air conditioner unit is less than P2, the air conditioner unit operates according to normal logic. When the pressure parameter P of the air conditioner unit is smaller than a second high-pressure preset value P2 of the air conditioner unit, the situation that the air conditioner unit does not enter a high-pressure protection state is indicated, and the air conditioner unit can operate according to normal logic at the moment.
Further, when the vehicle running parameter is monitored to be abnormal and meet the set condition, the real-time monitoring of the pressure parameter of the air conditioner unit specifically comprises the following steps: and when the vehicle running speed V is greater than or equal to V1 and the duration T is greater than or equal to T1, monitoring the pressure parameters of the air conditioner unit in real time, wherein V1 is a preset value of the vehicle running speed and a preset value of the duration T1, and otherwise, the air conditioner unit operates according to normal logic. When the vehicle running speed V is monitored to be greater than or equal to the vehicle running speed preset value V1 and the duration time T meeting the conditions is greater than or equal to the duration time preset value T1, the condition that the air conditioner unit possibly enters a high-voltage protection state is indicated, the pressure parameter of the air conditioner unit needs to be monitored in real time, otherwise, the condition that the air conditioner unit does not enter the high-voltage protection state is indicated, and the air conditioner unit can operate according to normal logic.
A computer readable storage medium for storing a computer program that, when invoked by a processor, implements the on-board air conditioner control method of avoiding causing high voltage protection as set forth in any one of the above.
The air conditioner comprises a processor and a memory, wherein the memory is used for storing a computer program, and the computer program realizes the control method of the vehicle air conditioner for avoiding causing high-voltage protection when being called by the processor.
The vehicle-mounted air conditioner control method, the computer readable storage medium and the air conditioner for avoiding high-voltage protection, which are provided by the invention, have the beneficial effects that: by adding a control logic, the high-voltage protection problem caused by the adverse effect of the wind speed on the heat dissipation of the heat exchanger when the air conditioner unit runs at a high speed is effectively solved under the condition of ensuring the safety and reliability of a prototype, and the reliability of the air conditioner unit is further improved.
Drawings
FIG. 1 is a schematic flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of the present invention.
Example 1: a control method of a vehicle-mounted air conditioner avoids high-voltage protection.
As shown in fig. 1, a method for controlling a vehicle-mounted air conditioner to avoid high-voltage protection includes the following steps:
and monitoring the running speed parameter of the vehicle in real time after the air conditioner unit is started (the compressor is started as the standard), monitoring the pressure parameter of the air conditioner unit in real time when the condition that the running speed parameter of the vehicle is abnormal and meets the set condition is monitored, and adjusting the running parameter of the air conditioner unit according to the monitored pressure parameter of the air conditioner unit. By monitoring the vehicle running speed parameter in real time, detecting the pressure parameter of the air conditioner unit in real time when the vehicle running speed reaches the set condition, optimizing and adjusting the running parameter of the air conditioner unit in real time according to the pressure parameter of the air conditioner unit, and adding the control logic, the high-voltage protection problem caused by the adverse effect of the wind speed on the heat dissipation of the heat exchanger when the air conditioner unit runs at high speed is effectively solved under the condition of ensuring the safety and reliability of a model machine, and the reliability of the air conditioner unit is further improved.
When the abnormal vehicle running parameters are monitored and the set conditions are met, the real-time monitoring of the pressure parameters of the air conditioner unit is as follows: when the vehicle running speed V is monitored to be larger than or equal to V1 and the duration T is monitored to be larger than or equal to T1, the pressure parameters of the air conditioner unit are monitored in real time, V1 is a preset value of the vehicle running speed and can be preset to be 80KM/H, a preset value of the duration T1 and can be preset to be 30S, and otherwise, the air conditioner unit operates according to normal logic. When the vehicle running speed V is monitored to be greater than or equal to the vehicle running speed preset value V1 and the duration time T meeting the conditions is greater than or equal to the duration time preset value T1, the condition that the air conditioner unit possibly enters a high-voltage protection state is indicated, the pressure parameter of the air conditioner unit needs to be monitored in real time, otherwise, the condition that the air conditioner unit does not enter the high-voltage protection state is indicated, and the air conditioner unit can operate according to normal logic.
The method for adjusting the operation parameters of the air conditioner unit specifically comprises the following steps: and adjusting the running frequency of a compressor and the gear of an external fan of the air conditioner unit. In order to solve the problem of high-voltage protection caused by adverse effect of wind speed on heat dissipation of a heat exchanger when an air conditioner unit runs at high speed, the high-voltage protection can be realized by specifically changing the running frequency of a compressor and the gear of an external fan of the air conditioner unit through control logic.
The adjusting of the operation parameters of the air conditioner unit according to the monitored pressure parameters of the air conditioner unit specifically comprises the following steps: when the pressure parameter P of the air conditioner unit is larger than or equal to P1, controlling the operation frequency F of the compressor of the air conditioner unit to be smaller than or equal to F1, wherein P1 is a first high-pressure preset value of the air conditioner unit and can be preset to 4.0MPa, and F1 is a first operation frequency preset value of the compressor of the air conditioner unit and can be preset to 50 Hz. When the pressure parameter P of the air conditioner unit is greater than or equal to the first high-pressure preset value P1 of the air conditioner unit, it indicates that the air conditioner unit may enter a high-pressure protection state, and at this time, the air conditioner unit is prevented from entering the high-pressure protection state by controlling the operating frequency F of the compressor of the air conditioner unit and ensuring that the operating frequency F is not higher than the first operating frequency preset value F1.
When the pressure parameter P of the air conditioner unit is larger than or equal to P1, the running gear of the external fan of the air conditioner unit is controlled to be N1, N1 is the first preset gear of the external fan of the air conditioner unit, and specifically is the highest gear of the external fan. When the pressure parameter P of the air conditioner unit is greater than or equal to the first high-pressure preset value P1 of the air conditioner unit, it indicates that the air conditioner unit may enter a high-pressure protection state, and at this time, the air conditioner unit may be prevented from entering the high-pressure protection state by adjusting the operation gear of the external fan of the compressor of the air conditioner unit to the first preset gear N1.
The adjusting of the operation parameters of the air conditioner unit according to the monitored pressure parameters of the air conditioner unit specifically comprises the following steps: when the pressure parameter P2 of the air conditioner unit is not less than P < P1, the operation frequency F of the compressor of the air conditioner unit is controlled to be not less than F2, P2 is a second high-pressure preset value of the air conditioner unit and can be preset to be 3.8MPa, and F2 is a second operation frequency preset value of the compressor of the air conditioner unit and can be preset to be 65 Hz. When the pressure parameter P of the air conditioner unit is greater than or equal to the second high-pressure preset value P2 of the air conditioner unit and is smaller than the first high-pressure preset value P1 of the air conditioner unit, it indicates that the air conditioner unit may enter a high-pressure protection state, and at this time, the air conditioner unit is prevented from entering the high-pressure protection state by controlling the operating frequency F of a compressor of the air conditioner unit and ensuring that the operating frequency F is not higher than the second operating frequency preset value F2.
When the pressure parameter P2 of the air conditioner unit is not more than P < P1, the operating gear of an external fan of the air conditioner unit is controlled to be N2, and N2 is a second preset gear of the external fan of the air conditioner unit, specifically the highest gear or the next highest gear of the external fan. When the pressure parameter P of the air conditioner unit is greater than or equal to the second high-pressure preset value P2 of the air conditioner unit and is smaller than the first high-pressure preset value P1 of the air conditioner unit, it indicates that the air conditioner unit may enter a high-pressure protection state, and at this time, the air conditioner unit may be prevented from entering the high-pressure protection state by adjusting the operation gear of the external fan of the compressor of the air conditioner unit to the second preset gear N2.
And when the pressure parameter P of the air conditioner unit is less than P2, the air conditioner unit operates according to normal logic. When the pressure parameter P of the air conditioner unit is smaller than a second high-pressure preset value P2 of the air conditioner unit, the situation that the air conditioner unit does not enter a high-pressure protection state is indicated, and at the moment, a compressor and an outer fan of the air conditioner unit can operate according to normal logic.
In the embodiment, the influence of high wind speed on the high voltage of the unit is avoided, the high voltage protection problem of the unit is avoided, and the reliability of the unit is improved by optimizing the control logic of the compressor frequency and the control logic of the external fan during high wind speed running.
Example 2: a computer readable storage medium.
A computer readable storage medium for storing a computer program that, when invoked by a processor, implements the on-board air conditioner control method of avoiding causing high voltage protection as set forth in any one of the above.
Example 3: an air conditioner.
The air conditioner comprises a processor and a memory, wherein the memory is used for storing a computer program, and the computer program realizes the control method of the vehicle air conditioner for avoiding causing high-voltage protection when being called by the processor.
The above description is only for the preferred embodiment of the present invention, but the present invention should not be limited to the embodiment and the disclosure of the drawings, and therefore, all equivalent or modifications that do not depart from the spirit of the present invention are intended to fall within the scope of the present invention.
Claims (10)
1. The vehicle-mounted air conditioner control method capable of avoiding high-voltage protection is characterized in that a vehicle running speed parameter is monitored in real time after an air conditioner unit is started to run, when the condition that the vehicle running speed parameter is abnormal and meets a set condition is monitored, a pressure parameter of the air conditioner unit is monitored in real time, and the running parameter of the air conditioner unit is adjusted according to the monitored pressure parameter of the air conditioner unit.
2. The vehicle air conditioner control method for avoiding causing high voltage protection as claimed in claim 1, wherein the adjusting of the air conditioner unit operation parameters specifically is: and adjusting the running frequency of a compressor and the gear of an external fan of the air conditioner unit.
3. The vehicle air conditioner control method for avoiding causing high voltage protection as claimed in claim 1, wherein the adjusting of the operating parameters of the air conditioner unit according to the monitored pressure parameters of the air conditioner unit is specifically: when the pressure parameter P of the air conditioner unit is larger than or equal to P1, controlling the operating frequency F of the compressor of the air conditioner unit to be smaller than or equal to F1, wherein P1 is a first high-pressure preset value of the air conditioner unit, and F1 is a first operating frequency preset value of the compressor of the air conditioner unit.
4. The method as claimed in claim 3, wherein when the pressure parameter P of the air conditioner set is greater than or equal to P1, the operating position of the external fan of the air conditioner set is controlled to be N1, and N1 is the first predetermined position of the external fan of the air conditioner set.
5. The vehicle air conditioner control method for avoiding causing high voltage protection as claimed in claim 3, wherein the adjusting of the operating parameters of the air conditioner unit according to the monitored pressure parameters of the air conditioner unit is specifically: and when the pressure parameter P2 of the air conditioner unit is not less than P and is less than P1, controlling the running frequency F of the compressor of the air conditioner unit to be not less than F2, wherein P2 is a second high-pressure preset value of the air conditioner unit, and F2 is a second running frequency preset value of the compressor of the air conditioner unit.
6. The method as claimed in claim 5, wherein when the pressure parameter P2 is not less than P < P1, the operating range of the external fan of the air conditioner set is controlled to be N2, and N2 is the second preset range of the external fan of the air conditioner set.
7. The on-board air conditioner control method for avoiding causing high voltage protection as claimed in claim 6, wherein when the air conditioner unit pressure parameter P < P2, the air conditioner unit is operated according to normal logic.
8. The vehicle-mounted air conditioner control method for avoiding causing high-voltage protection as claimed in claim 1, wherein when the vehicle running speed parameter is monitored to be abnormal and meet the set condition, the real-time monitoring of the air conditioner unit pressure parameter specifically comprises: and when the vehicle running speed V is greater than or equal to V1 and the duration T is greater than or equal to T1, monitoring the pressure parameters of the air conditioner unit in real time, wherein V1 is a preset value of the vehicle running speed and a preset value of the duration T1, and otherwise, the air conditioner unit operates according to normal logic.
9. A computer-readable storage medium for storing a computer program, wherein the computer program, when being invoked by a processor, implements the on-board air conditioner control method for avoiding causing high voltage protection according to any one of claims 1 to 8.
10. Air conditioner comprising a processor and a memory for storing a computer program, characterized in that the computer program when invoked by the processor implements the on-board air conditioner control method of avoiding causing high voltage protection according to any of claims 1 to 8.
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| CN202010059219.4A CN111231605B (en) | 2020-01-19 | 2020-01-19 | Vehicle-mounted air conditioner control method for avoiding high-voltage protection and air conditioner |
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| CN202010059219.4A CN111231605B (en) | 2020-01-19 | 2020-01-19 | Vehicle-mounted air conditioner control method for avoiding high-voltage protection and air conditioner |
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Cited By (1)
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| CN113183723A (en) * | 2021-06-15 | 2021-07-30 | 泰铂（上海）环保科技股份有限公司 | Overhead parking air conditioner assembly and vehicle |
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| CN111231605B (en) | 2021-06-04 |
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