CN115200275A - External circulation starting control method for air conditioner refrigeration process - Google Patents
External circulation starting control method for air conditioner refrigeration process Download PDFInfo
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- CN115200275A CN115200275A CN202211009538.XA CN202211009538A CN115200275A CN 115200275 A CN115200275 A CN 115200275A CN 202211009538 A CN202211009538 A CN 202211009538A CN 115200275 A CN115200275 A CN 115200275A
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- Prior art keywords
- air conditioner
- compressor
- controller
- temperature
- external circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an external circulation starting control method in the refrigeration process of an air conditioner, which comprises the following steps: detecting an air conditioner working mode and an external circulation working state; when the working mode of the air conditioner is a refrigeration mode and the external circulation working state is in an opening state, detecting the temperature of the compressor controller to obtain the real-time temperature of the compressor controller; and adjusting the circulating opening degree of the external circulation based on the normal working temperature of the compressor according to the real-time temperature of the compressor controller and the normal working temperature of the compressor. According to the external circulation starting control method for the air conditioner in the refrigeration process, the circulation opening degree of the external circulation is adjusted based on the normal working temperature of the compressor according to the real-time temperature of the compressor controller and the normal working temperature of the compressor, so that the compressor controller can be fully cooled, the user requirements are met, and the compressor can be prevented from being overloaded and stopped due to the fact that the refrigeration process is in an external circulation state for a long time.
Description
Technical Field
The invention relates to the technical field of air conditioner refrigeration of new energy automobiles, in particular to an external circulation starting control method in an air conditioner refrigeration process.
Background
In the development process of new energy automobiles, automobile air conditioning refrigeration is one of the key points of user attention. At present, in the refrigeration process, when the external circulation is started for a long time, the compressor needs to continuously refrigerate an external air conditioner, the load of the compressor is high, and the compressor controller is insufficient in refrigeration and overhigh in temperature, so that the compressor is stopped.
Therefore, a method for controlling the opening of the external cycle of the air-conditioning refrigeration process is needed.
Disclosure of Invention
The invention aims to provide an external circulation starting control method for an air conditioner in a refrigeration process, which aims to solve the problems in the prior art and can avoid overload shutdown of a compressor after external circulation is started in the refrigeration process.
The invention provides an external circulation starting control method in the refrigeration process of an air conditioner, which comprises the following steps:
detecting an air conditioner working mode and an external circulation working state;
when the working mode of the air conditioner is a refrigeration mode and the external circulation working state is in an opening state, detecting the temperature of the compressor controller to obtain the real-time temperature of the compressor controller;
and adjusting the circulating opening degree of the external circulation based on the normal working temperature of the compressor according to the real-time temperature of the compressor controller and the normal working temperature of the compressor.
The method for controlling the opening of the external cycle in the refrigeration process of the air conditioner as described above, wherein preferably, the detecting the working mode and the working state of the external cycle of the air conditioner specifically includes:
and detecting the working mode and the external circulation working state of the air conditioner through an air conditioner controller.
The method for controlling the opening of the external circulation in the refrigeration process of the air conditioner as described above, wherein preferably, the detecting the temperature of the compressor controller to obtain the real-time temperature of the compressor controller specifically includes:
and detecting the temperature of the compressor controller through the air conditioner controller to obtain the real-time temperature of the compressor controller.
The method for controlling the opening of the external cycle in the refrigeration process of the air conditioner as described above, wherein preferably, the adjusting the opening of the external cycle based on the normal operating temperature of the compressor according to the real-time temperature of the compressor controller and the normal operating temperature of the compressor specifically includes:
if the real-time temperature of the compressor controller is higher than the TBD (the normal working temperature of the compressor), the air conditioner controller adjusts the circulating system to start the external circulation of TBD%;
if the real-time temperature of the compressor controller is less than or equal to the TBD, returning to the step of detecting the working mode and the external circulation working state of the air conditioner;
after the air conditioner controller adjusts the circulation system to start the external circulation of TBD%, detecting the temperature of the compressor controller to obtain the real-time temperature of the compressor controller;
if the real-time temperature of the compressor controller is less than TBD, the air conditioner controller adjusts the circulating system to recover the external circulation;
and if the real-time temperature of the compressor controller is greater than or equal to the TBD, returning to the step of adjusting the circulation system by the air conditioner controller to start the external circulation of TBD%.
The method for controlling the opening of the external cycle in the refrigeration process of the air conditioner as described above, wherein preferably, after the air conditioner controller adjusts the external cycle of the circulation system opening TBD%, the temperature of the compressor controller is detected to obtain the real-time temperature of the compressor controller, and specifically includes:
and after the time for the air conditioner controller to adjust the external circulation of the circulation system for opening TBD% reaches the preset time, detecting the temperature of the compressor controller through the air conditioner controller to obtain the real-time temperature of the compressor controller.
The method for controlling the start of the external cycle in the refrigeration process of the air conditioner as described above, wherein preferably, when the real-time temperature of the compressor controller detected after the air conditioner controller adjusts the external cycle of the circulation system for starting the TBD% is less than the TBD, the adjusting the circulation system of the air conditioner controller to resume the external cycle specifically includes:
the air conditioner controller controls the circulating system to adjust the external circulation according to the circulating opening.
The invention provides an external circulation starting control method in the refrigeration process of an air conditioner, which is characterized in that according to the real-time temperature of a compressor controller and the normal working temperature of the compressor, the circulation opening degree of the external circulation is adjusted based on the normal working temperature of the compressor, so that the compressor controller can be fully cooled, the requirement of a user is met, and the overload shutdown of the compressor caused by the long-time external circulation state in the refrigeration process can be avoided; detecting the temperature of a compressor controller when an air conditioner controller detects that a user sets refrigeration and starts external circulation; when the temperature of the compressor controller is higher than TBD ℃, the air conditioner controller actively adjusts the circulation opening to be TBD% external circulation so that the compressor controller can be fully cooled, and when the temperature of the compressor controller is reduced to be lower than TBD, the air conditioner controller controls the external circulation of the circulation opening.
Drawings
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings, in which:
fig. 1 is a flowchart of an embodiment of an external circulation on control method for an air conditioner refrigeration process according to the present invention;
fig. 2 is a logic diagram of an embodiment of an external circulation on control method for an air conditioner refrigeration process according to the present invention.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the disclosure, its application, or uses. The present disclosure may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.
"first", "second" used in the present disclosure: and the like, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In the present disclosure, when a specific component is described as being located between a first component and a second component, there may or may not be intervening components between the specific component and the first component or the second component. When it is described that a specific component is connected to other components, the specific component may be directly connected to the other components without having an intervening component, or may be directly connected to the other components without having an intervening component.
All terms (including technical or scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
As shown in fig. 1 and fig. 2, in an actual implementation process, the method for controlling the opening of the external cycle in the air-conditioning refrigeration process provided in this embodiment specifically includes the following steps:
s1, detecting an air conditioner working mode and an external circulation working state.
Specifically, an air conditioner operation mode and an external circulation operation state are detected by an air conditioner controller.
And S2, when the working mode of the air conditioner is a refrigeration mode and the external circulation working state is in an opening state, detecting the temperature of the compressor controller to obtain the real-time temperature of the compressor controller.
Specifically, the temperature of the compressor controller is detected through the air conditioner controller, and the real-time temperature of the compressor controller is obtained.
And S3, adjusting the circulation opening of the external circulation based on the normal working temperature of the compressor according to the real-time temperature of the compressor controller and the normal working temperature of the compressor.
In an embodiment of the method for controlling the opening of the external circulation in the refrigeration process of the air conditioner according to the present invention, the step S3 may specifically include:
and S31, if the real-time temperature of the compressor controller is higher than the TBD (normal working temperature of the compressor), the air conditioner controller adjusts the circulating system to start the external circulation of TBD%.
And S32, if the real-time temperature of the compressor controller is less than or equal to TBD, returning to the step of detecting the working mode and the external circulation working state of the air conditioner.
And S33, after the air conditioner controller adjusts the circulation system to start the external circulation of TBD%, detecting the temperature of the compressor controller to obtain the real-time temperature of the compressor controller.
Specifically, after the air conditioner controller adjusts the time of the external cycle of the circulation system for opening TBD% to reach a preset time (for example, 30 s), the temperature of the compressor controller is detected by the air conditioner controller, and the real-time temperature of the compressor controller is obtained.
And step S34, if the real-time temperature of the compressor controller is less than TBD, the air conditioner controller adjusts the circulating system to recover the external circulation.
Specifically, under the condition that the real-time temperature of the compressor controller detected after the air conditioner controller adjusts the circulation system to start the external circulation of TBD% is less than TBD, the air conditioner controller controls the circulation system to adjust the external circulation according to the circulation opening.
And step S35, if the real-time temperature of the compressor controller is greater than or equal to the TBD, returning to the step of adjusting the external circulation of the circulation system by the air conditioner controller to start the TBD%.
It should be noted that the normal operating temperature and the preset time of the compressor are not specifically limited in the present invention.
According to the external circulation starting control method for the air conditioner refrigeration process, provided by the embodiment of the invention, the circulation opening degree of the external circulation is adjusted according to the real-time temperature of the compressor controller and the normal working temperature of the compressor based on the normal working temperature of the compressor, so that the compressor controller can be fully cooled, the user requirements are met, and the overload shutdown of the compressor caused by the long-time external circulation state of the refrigeration process can be avoided; detecting the temperature of a compressor controller when an air conditioner controller detects that a user sets refrigeration and starts external circulation; when the temperature of the compressor controller is higher than TBD ℃, the air conditioner controller actively adjusts the circulation opening degree to be TBD% external circulation so that the compressor controller can be fully cooled, and when the temperature of the compressor controller is reduced to be lower than TBD, the air conditioner controller controls the external circulation of the circulation opening degree.
Thus far, various embodiments of the present disclosure have been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (6)
1. An external circulation starting control method in the refrigeration process of an air conditioner is characterized by comprising the following steps:
detecting an air conditioner working mode and an external circulation working state;
when the working mode of the air conditioner is a refrigeration mode and the external circulation working state is in an opening state, detecting the temperature of the compressor controller to obtain the real-time temperature of the compressor controller;
and adjusting the circulating opening degree of the external circulation based on the normal working temperature of the compressor according to the real-time temperature of the compressor controller and the normal working temperature of the compressor.
2. The method for controlling the opening of the external cycle in the refrigeration process of the air conditioner according to claim 1, wherein the detecting the working mode and the working state of the external cycle of the air conditioner specifically comprises:
and detecting the working mode and the external circulation working state of the air conditioner through an air conditioner controller.
3. The method for controlling the opening of the external circulation of the refrigeration process of the air conditioner according to claim 1, wherein the detecting the temperature of the compressor controller to obtain the real-time temperature of the compressor controller specifically comprises:
and detecting the temperature of the compressor controller through the air conditioner controller to obtain the real-time temperature of the compressor controller.
4. The method for controlling the opening of the external circulation in the refrigeration process of the air conditioner according to claim 1, wherein the adjusting of the opening of the external circulation based on the normal operating temperature of the compressor according to the real-time temperature of the compressor controller and the normal operating temperature of the compressor specifically comprises:
if the real-time temperature of the compressor controller is higher than the TBD (normal working temperature of the compressor), the air conditioner controller adjusts the circulating system to start the external circulation of TBD percent;
if the real-time temperature of the compressor controller is less than or equal to TBD, returning to the step of detecting the working mode and the external circulation working state of the air conditioner;
after the air conditioner controller adjusts the circulation system to start external circulation of TBD%, detecting the temperature of the compressor controller to obtain the real-time temperature of the compressor controller;
if the real-time temperature of the compressor controller is less than TBD, the air conditioner controller adjusts the circulating system to recover the external circulation;
and if the real-time temperature of the compressor controller is greater than or equal to the TBD, returning to the step of adjusting the circulation system by the air conditioner controller to start the external circulation of TBD%.
5. The method for controlling the opening of the external cycle in the refrigeration process of the air conditioner according to claim 4, wherein after the air conditioner controller adjusts the external cycle of the circulation system for opening TBD%, the temperature of the compressor controller is detected to obtain the real-time temperature of the compressor controller, and the method specifically comprises the following steps:
and after the time for the air conditioner controller to adjust the external circulation of the circulation system for opening TBD% reaches the preset time, detecting the temperature of the compressor controller through the air conditioner controller to obtain the real-time temperature of the compressor controller.
6. The method for controlling the opening of the external circulation of the refrigeration process of the air conditioner according to claim 4, wherein when the real-time temperature of the compressor controller detected after the air conditioner controller adjusts the external circulation of the circulation system for opening TBD% is less than TBD, the air conditioner controller adjusts the circulation system to recover the external circulation, specifically comprising:
and the air conditioner controller controls the circulating system to adjust the external circulation according to the circulating opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211009538.XA CN115200275A (en) | 2022-08-22 | 2022-08-22 | External circulation starting control method for air conditioner refrigeration process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211009538.XA CN115200275A (en) | 2022-08-22 | 2022-08-22 | External circulation starting control method for air conditioner refrigeration process |
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| CN115200275A true CN115200275A (en) | 2022-10-18 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61291210A (en) * | 1985-06-17 | 1986-12-22 | Nissan Shatai Co Ltd | Air conditioner for automobile |
| JP2000280735A (en) * | 1999-03-31 | 2000-10-10 | Calsonic Kansei Corp | Automobile air conditioner |
| CN102364260A (en) * | 2011-11-16 | 2012-02-29 | 奇瑞汽车股份有限公司 | Method and system for controlling internal and external circulation of automobile air conditioner |
| CN103673225A (en) * | 2013-12-10 | 2014-03-26 | 南京奥联汽车电子电器股份有限公司 | Automatic control method of air conditioner of automobile |
| CN104029581A (en) * | 2014-06-30 | 2014-09-10 | 惠州华阳通用电子有限公司 | Control method and system for automobile air conditioner inner and outer circulation modes |
| CN108819657A (en) * | 2018-06-26 | 2018-11-16 | 上海加冷松芝汽车空调股份有限公司 | A kind of new-energy automobile refrigeration control method |
| CN212194998U (en) * | 2020-04-14 | 2020-12-22 | 江苏阿尔特空调实业有限责任公司 | Self-adaptive control system for environment in vehicle |
| CN113787879A (en) * | 2021-10-19 | 2021-12-14 | 浙江吉利控股集团有限公司 | Control method of vehicle air conditioner, vehicle and computer storage medium |
-
2022
- 2022-08-22 CN CN202211009538.XA patent/CN115200275A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61291210A (en) * | 1985-06-17 | 1986-12-22 | Nissan Shatai Co Ltd | Air conditioner for automobile |
| JP2000280735A (en) * | 1999-03-31 | 2000-10-10 | Calsonic Kansei Corp | Automobile air conditioner |
| CN102364260A (en) * | 2011-11-16 | 2012-02-29 | 奇瑞汽车股份有限公司 | Method and system for controlling internal and external circulation of automobile air conditioner |
| CN103673225A (en) * | 2013-12-10 | 2014-03-26 | 南京奥联汽车电子电器股份有限公司 | Automatic control method of air conditioner of automobile |
| CN104029581A (en) * | 2014-06-30 | 2014-09-10 | 惠州华阳通用电子有限公司 | Control method and system for automobile air conditioner inner and outer circulation modes |
| CN108819657A (en) * | 2018-06-26 | 2018-11-16 | 上海加冷松芝汽车空调股份有限公司 | A kind of new-energy automobile refrigeration control method |
| CN212194998U (en) * | 2020-04-14 | 2020-12-22 | 江苏阿尔特空调实业有限责任公司 | Self-adaptive control system for environment in vehicle |
| CN113787879A (en) * | 2021-10-19 | 2021-12-14 | 浙江吉利控股集团有限公司 | Control method of vehicle air conditioner, vehicle and computer storage medium |
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