CN107367012B - High-temperature-resistant protection method, protection device and protection system for air conditioning system - Google Patents
High-temperature-resistant protection method, protection device and protection system for air conditioning system Download PDFInfo
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- CN107367012B CN107367012B CN201710419368.5A CN201710419368A CN107367012B CN 107367012 B CN107367012 B CN 107367012B CN 201710419368 A CN201710419368 A CN 201710419368A CN 107367012 B CN107367012 B CN 107367012B
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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
- F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor
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Abstract
The invention discloses a high-temperature-resistant protection method, a high-temperature-resistant protection device and a high-temperature-resistant protection system for an air conditioning system. Wherein, the method comprises the following steps: detecting at least an outdoor side exhaust temperature in a heating mode of the air conditioner; and if at least the outdoor side exhaust temperature is detected to continuously rise within a first preset time, or at least the outdoor side exhaust temperature is detected to exceed the preset temperature within a second preset time, stopping an outdoor fan of the air conditioner. The invention solves the technical problem that the prior air-conditioning system is not timely protected against high temperature.
Description
Technical Field
The invention relates to the field of air conditioner control, in particular to a high-temperature-resistant protection method, a high-temperature-resistant protection device and a high-temperature-resistant protection system for an air conditioner system.
Background
The air conditioner is used as an electrical appliance essential to daily life of people, and is widely applied to work, life and the like. The air conditioner can be divided into a window type air conditioner, a split type air conditioner, a ceiling type air conditioner, an embedded type air conditioner and the like according to the appearance. The split air conditioner is one of the air conditioners commonly used at present, and comprises an indoor unit and an outdoor unit which are respectively installed indoors and outdoors. And the protection against high temperature is an important reliability protection in the split type air conditioner. When the air conditioner operates in a heating mode under a higher working condition, in order to ensure the reliable operation of the air conditioning unit and prevent the overload protection of the air conditioning unit caused by the overhigh pressure of the air conditioning system, the air conditioning unit can control the pressure of the air conditioning system in a mode of stopping the operation of the outer fan or improving the air volume of the inner fan.
The control modes which are common at present mainly comprise the following two modes:
(1) judging whether the air conditioner is in a high temperature state or not by the temperature of the inner pipe of the air conditioning system
The control method of the scheme is simple and is suitable for most working conditions. However, the temperature detected by the temperature sensing component in the air conditioning system has a certain hysteresis, that is, the temperature and the pressure may not correspond to each other. Meanwhile, the temperature has high requirements on the position where the temperature sensing bulb component is placed and the preset value of the set temperature, and if the preset value is set to be higher, the air conditioner cannot be effectively protected; if the preset value is set to be lower, the frequent high-temperature prevention phenomenon of the air conditioning system can be caused, so that the air conditioning system generates liquid return, and the heating effect of the air conditioning system is poor.
(2) Judging whether the air conditioner is in a high temperature state or not through the pressure value of the air conditioner system
The scheme has higher cost, needs to be additionally provided with a pressure sensor and is only suitable for high-end models.
Aiming at the problem that the existing air conditioning system is not timely protected against high temperature, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the invention provides a high-temperature-resistant protection method, a high-temperature-resistant protection device and a high-temperature-resistant protection system for an air conditioning system, and at least solves the technical problem that the high-temperature-resistant protection of the existing air conditioning system is not timely.
According to an aspect of an embodiment of the present invention, there is provided a method for protecting an air conditioning system from high temperature, including: detecting at least an outdoor side exhaust temperature in a heating mode of the air conditioner; and if at least the outdoor side exhaust temperature is detected to continuously rise within a first preset time, or at least the outdoor side exhaust temperature is detected to exceed the preset temperature within a second preset time, stopping an outdoor fan of the air conditioner.
According to another aspect of the embodiments of the present invention, there is also provided a protection device for preventing high temperature of an air conditioning system, including: the detection module is used for at least detecting the outdoor side exhaust temperature in the heating mode of the air conditioner; and the control module is used for stopping an outdoor fan of the air conditioner if at least the outdoor side exhaust temperature is detected to continuously rise within a first preset time or at least the outdoor side exhaust temperature is detected to exceed a preset temperature within a second preset time.
According to another aspect of the embodiments of the present invention, there is also provided a protection system for preventing high temperature of an air conditioning system, including: the first temperature sensing component is used for at least detecting the outdoor side exhaust temperature in the heating mode of the air conditioner; and the controller is connected with the first temperature sensing element and used for stopping an outdoor fan of the air conditioner if at least the exhaust temperature of the outdoor side is detected to continuously rise within a first preset time or at least the exhaust temperature of the outdoor side is detected to exceed a preset temperature within a second preset time.
According to another aspect of the embodiments of the present invention, there is also provided a storage medium including a stored program, wherein the program performs a protection method of an air conditioning system against high temperature.
According to another aspect of the embodiments of the present invention, there is also provided a processor for executing a program, wherein the program executes a protection method for an air conditioning system against high temperature when running.
According to another aspect of the embodiments of the present invention, there is also provided a terminal, including: an air conditioner; and a processor which executes a program, wherein the program executes a protection method against high temperature of the air conditioning system with respect to data output from the air conditioner when the program is executed.
According to another aspect of the embodiments of the present invention, there is also provided a terminal, including: an air conditioner; and a storage medium for storing a program, wherein the program performs a protection method of the air conditioning system against high temperature with respect to data output from the air conditioner when running.
In the embodiment of the invention, the mode of detecting the outdoor side exhaust temperature is adopted, the outdoor exhaust temperature is at least detected in the heating mode of the air conditioner, and if the detected outdoor exhaust temperature is continuously increased within the first preset time or the detected outdoor side exhaust temperature exceeds the preset temperature within the second preset time, the outdoor fan of the air conditioner is stopped, so that the aim of improving the accuracy of detecting the high-temperature protection of the air conditioning system is fulfilled, the technical effects of effectively detecting the high-temperature protection of the air conditioning system and improving the reliability of the air conditioning system and the comfort level of a user are realized, and the technical problem that the existing air conditioning system cannot timely protect the high temperature is further solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a flow chart of a protection method for preventing high temperature of an air conditioning system according to an embodiment of the invention;
FIG. 2 is a flow chart of an alternative method for protecting an air conditioning system from high temperatures according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a protection device for preventing high temperature of an air conditioning system according to an embodiment of the present invention; and
fig. 4 is a schematic structural diagram of a protection system for preventing high temperature of an air conditioning system according to an embodiment of the invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
According to an embodiment of the present invention, there is provided an embodiment of a method for protecting an air conditioning system from high temperature, where the steps illustrated in the flowchart of the drawings may be executed in a computer system, such as a set of computer executable instructions, and where a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be executed in an order different from that shown.
Fig. 1 is a flowchart of a method for protecting an air conditioning system from high temperature according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
step S102, detecting at least the outdoor side exhaust temperature in the heating mode of the air conditioner;
and step S104, if at least the outdoor side exhaust temperature is detected to continuously rise within a first preset time, or at least the outdoor side exhaust temperature is detected to exceed a preset temperature within a second preset time, stopping an outdoor fan of the air conditioner.
When the air conditioner is a split type air conditioner, temperature sensing bulb components or temperature sensors are respectively installed in an indoor unit and an outdoor unit of the air conditioner, and are respectively used for detecting an indoor side outlet air temperature of the indoor unit and an outdoor side outlet air temperature of the outdoor unit. The temperature detected by the temperature sensing package component or the temperature sensor controls the start and stop of the outer fan of the air conditioner, so that the high-temperature-resistant timely detection of the air conditioner system can be achieved.
In an optional embodiment, when the air conditioner is in a heating mode, a controller of the air conditioner firstly judges whether a compressor of the air conditioner is in initial starting operation, if the compressor is in initial starting operation, in order to prevent high pressure of an air conditioning system caused by hysteresis of temperature collected by a temperature sensing element, after the compressor is operated for 30-60 s, whether the exhaust temperature of the outdoor side continuously rises within a first preset time is judged, and if the exhaust temperature continuously rises, an outdoor fan of the air conditioner is controlled to stop operating; if the outdoor side exhaust temperature is detected not to continuously rise within the first preset time, the air conditioning system keeps the heating mode to continue to operate.
In another alternative embodiment, if the compressor is not initially started, the controller of the air conditioning system detects whether the outdoor discharge temperature is continuously greater than the predetermined temperature for a second predetermined time, and if the outdoor discharge temperature is continuously detected to be greater than the predetermined temperature for the second predetermined time, the controller controls the outdoor fan of the air conditioner to be stopped, otherwise, the air conditioner continues to operate in the heating mode.
Here, it should be further noted that the first predetermined time, the second predetermined time and the predetermined temperature may be set according to actual conditions, and the values of the first predetermined time, the second predetermined time and the predetermined temperature may not be the same in different air conditioning systems. The first preset time can be set within a time range of 5-20 s, the second preset time can be set within a time range of 1-5 s, and the preset temperature can be set to be 100-110 ℃.
Based on the schemes defined in steps S102 to S104 above, it can be known that by detecting at least the outdoor exhaust air temperature in the heating mode of the air conditioner, if at least the detected outdoor exhaust air temperature continues to rise within a first predetermined time or at least the detected outdoor side exhaust air temperature exceeds a predetermined temperature within a second predetermined time, the outdoor fan of the air conditioner is stopped.
It is easy to notice that, because the outdoor side exhaust temperature of the air conditioning system is detected in the heating mode, but not the inner side pipe temperature of the air conditioning system, namely, the accuracy of the detection of the high temperature protection of the system and the comfort of a user are improved by detecting the outdoor side exhaust temperature, the purpose of improving the accuracy of the detection of the high temperature protection of the air conditioning system is achieved, thereby realizing the technical effects of effectively detecting the high temperature protection of the air conditioning system, improving the reliability of the air conditioning system and the comfort of the user, and further solving the technical problem that the prior air conditioning system is not protected in time by the high temperature protection.
In an alternative embodiment, as shown in fig. 2, a flow chart of an alternative protection method for protecting an air conditioning system from high temperature is shown, in fig. 2, at least detecting an outdoor side exhaust temperature of the air conditioning system is divided into the following two scenarios:
(1) in a first application scenario, a compressor of an air conditioner is started for the first time, and at this time, after the compressor is controlled to run continuously for a first period of time, whether the outdoor side exhaust temperature continuously rises within a first preset time is detected, and if the outdoor side exhaust temperature continuously rises within the first preset time, the air conditioning system enters the air conditioning systemAnd the heat preservation protection is prevented, and the stop of a fan of an outdoor unit of the air conditioner is controlled. And then, after the outdoor fan of the air conditioner is stopped for a second time, the system is quitted for high-temperature protection. In the above process, the first duration is t
1，t
1The value range of (A) can be 30-60 s; the first predetermined time is t
2，t
2The value range of (1) is 5-20 s; the second duration is t
3，t
3The value range of (A) can be 10-30 s.
It should be noted that the first time period, the first predetermined time period, and the second time period may be set according to different air conditioning systems.
Further, detecting whether the outdoor side exhaust gas temperature continues to rise within a first predetermined time includes: it is detected whether the outdoor side exhaust temperature continues to rise by a predetermined increment within a first predetermined time. Specifically, the temperature sensing bulb components on the outdoor unit of the air conditioner detect the outdoor side exhaust temperature once at regular intervals, for example, the outdoor side exhaust temperature detected at time a is 90 ℃, the outdoor side exhaust temperature detected at time B is 105 ℃, the outdoor side exhaust temperature detected at time C is 116 ℃, the temperature increases at the two times are 15 ℃ and 14 ℃, respectively, and the predetermined temperature increase is T
1And T is
1In the case of 10 c, both of the above temperature increases are greater than the predetermined increase of 10 c, and at this time, it is determined that the outdoor side exhaust temperature continues to rise for the first predetermined time. Wherein the predetermined temperature increment T
1The value range of (A) can be 10-20 ℃.
In addition, it should be noted that if it is detected that the outdoor side exhaust temperature does not continuously rise within the first predetermined time, that is, the indoor side exhaust temperature has a tendency to fall within the first predetermined time, the controller of the air conditioning system controls the air conditioning system to continue to operate in the heating mode without entering the high temperature protection state.
(2) In a second application scenario, the compressor of the air conditioner is not started for the first time, and at this time, it is detected whether the outdoor side exhaust temperature exceeds the first preset temperature within the second preset time, and it is detected whether the indoor side outlet temperature exceeds the second preset temperature within the second preset time. If the outdoor side exhaust air temperature exceeds the first predetermined temperature within the second predetermined time and the indoor side outlet air temperature exceeds the second predetermined temperature within the second predetermined time, T
Exhaust of gases＞T
2And, T
Air outlet＞T
3And controlling the air conditioning system to enter high temperature protection and controlling a fan of an outdoor unit of the air conditioner to stop. Then, in a preset time period of stopping the fan of the outdoor unit of the air conditioner, continuously detecting whether the exhaust temperature of the outdoor side is lower than a fourth preset temperature, namely T
Exhaust of gases＜T
4And if the exhaust temperature on the outdoor side is continuously detected to be lower than the fourth preset temperature within the preset time period, the system high-temperature protection is exited.
In the above process, the first predetermined temperature is T
2，T
2The value range of (A) can be 100-110 ℃; the second predetermined time is t
4，t
4The value range of (1) to (5) s; the second predetermined temperature is T
3，T
3The value range of (A) can be 38-45 ℃; the fourth predetermined temperature is T
4，T
4The value range of (A) can be 90-100 ℃.
The first predetermined temperature, the second predetermined time, the second predetermined temperature, and the fourth predetermined temperature may be set according to different air conditioning systems.
In addition, when the auxiliary electric heating of the indoor unit is started, the indoor side air outlet temperature is switched to be detected whether to exceed a third preset temperature within a second preset time. Namely, under the condition that the outdoor unit is opened by auxiliary electric heating, the temperature sensing component arranged in the indoor unit detects the indoor air outlet temperature T
Air outletWhether consistently greater than the third predetermined temperature T
5And if the indoor side air outlet temperature is consistently lower than the third preset temperature within the range of the second preset time, controlling an outdoor fan of the air conditioner to stop, and enabling the air conditioner to enter a system for high-temperature prevention protection. In the above process, the third predetermined temperature T
5The value range of (A) can be 43-48 ℃.
Example 2
According to the embodiment of the invention, the embodiment of the high-temperature-resistant protection device of the air conditioning system is also provided.
Fig. 3 is a schematic structural view of a protection device for preventing high temperature of an air conditioning system according to an embodiment of the present invention, and as shown in fig. 3, the protection device includes: a detection module 301 and a control module 303.
The detection module 301 is used for detecting at least the outdoor side exhaust temperature in the heating mode of the air conditioner;
and the control module 303 is used for stopping an outdoor fan of the air conditioner if at least the outdoor side exhaust temperature is detected to continuously rise within a first preset time, or at least the outdoor side exhaust temperature is detected to exceed a preset temperature within a second preset time.
When the air conditioner is a split type air conditioner, temperature sensing bulb components or temperature sensors are respectively installed in an indoor unit and an outdoor unit of the air conditioner, and are respectively used for detecting an indoor side outlet air temperature of the indoor unit and an outdoor side outlet air temperature of the outdoor unit. The temperature detected by the temperature sensing package component or the temperature sensor controls the start and stop of the outer fan of the air conditioner, so that the high-temperature-resistant timely detection of the air conditioner system can be achieved.
In an optional embodiment, when the air conditioner is in a heating mode, a controller of the air conditioner firstly judges whether a compressor of the air conditioner is in initial starting operation, if the compressor is in initial starting operation, in order to prevent high pressure of an air conditioning system caused by hysteresis of temperature collected by a temperature sensing element, after the compressor is operated for 30-60 s, whether the exhaust temperature of the outdoor side continuously rises within a first preset time is judged, and if the exhaust temperature continuously rises, an outdoor fan of the air conditioner is controlled to stop operating; if the outdoor side exhaust temperature is detected not to continuously rise within the first preset time, the air conditioning system keeps the heating mode to continue to operate.
In another alternative embodiment, if the compressor is not initially started, the controller of the air conditioning system detects whether the outdoor discharge temperature is continuously greater than the predetermined temperature for a second predetermined time, and if the outdoor discharge temperature is continuously detected to be greater than the predetermined temperature for the second predetermined time, the controller controls the outdoor fan of the air conditioner to be stopped, otherwise, the air conditioner continues to operate in the heating mode.
Here, it should be further noted that the first predetermined time, the second predetermined time and the predetermined temperature may be set according to actual conditions, and the values of the first predetermined time, the second predetermined time and the predetermined temperature may not be the same in different air conditioning systems. The first preset time can be set within a time range of 5-20 s, the second preset time can be set within a time range of 1-5 s, and the preset temperature can be set to be 100-110 ℃.
As can be seen from the above, by detecting at least the outdoor discharge air temperature in the heating mode of the air conditioner, if at least the detected outdoor discharge air temperature continues to rise for a first predetermined time or at least the detected outdoor side discharge air temperature exceeds a predetermined temperature for a second predetermined time, the outdoor fan of the air conditioner is stopped.
It is easy to notice that, because the outdoor side exhaust temperature of the air conditioning system is detected in the heating mode, but not the inner side pipe temperature of the air conditioning system, namely, the accuracy of the detection of the high temperature protection of the system and the comfort of a user are improved by detecting the outdoor side exhaust temperature, the purpose of improving the accuracy of the detection of the high temperature protection of the air conditioning system is achieved, thereby realizing the technical effects of effectively detecting the high temperature protection of the air conditioning system, improving the reliability of the air conditioning system and the comfort of the user, and further solving the technical problem that the prior air conditioning system is not protected in time by the high temperature protection.
It should be noted that the detection module 301 and the control module 303 correspond to steps S102 to S104 in embodiment 1, and the two modules are the same as the corresponding steps in the implementation example and application scenarios, but are not limited to the disclosure of embodiment 1.
In an alternative embodiment, in the case that a compressor of an air conditioner is operated for an initial start-up, the detection module includes: a first detection module. The first detection module is used for detecting whether the exhaust temperature at the outdoor side continuously rises within a first preset time after controlling the compressor to continuously run for a first time.
Optionally, the first detection module includes: and a second detection module. The second detection module is used for detecting whether the exhaust temperature at the outdoor side continuously rises within a first preset time according to a preset increment.
Optionally, the protection device for preventing high temperature of the air conditioning system further comprises: a first execution module. And the first execution module is used for exiting the system for high-temperature protection after the outdoor fan of the air conditioner is stopped for a second time.
In another alternative embodiment, in the case that the compressor of the air conditioner is not initially started to operate, the detection module includes: and a third detection module. The third detection module is used for detecting whether the outdoor side exhaust temperature exceeds the first preset temperature within second preset time and detecting whether the indoor side outlet air temperature exceeds the second preset temperature within the second preset time.
Optionally, when the indoor unit is turned on by auxiliary electric heating, the indoor unit is switched to detect whether the indoor air outlet temperature exceeds a third preset temperature within a second preset time.
Optionally, the protection device for preventing high temperature of the air conditioning system further comprises: and a second execution module. And the second execution module is used for exiting the system high temperature prevention protection if the outdoor side exhaust temperature is continuously detected to be lower than the fourth preset temperature within the preset time period.
Example 3
According to the embodiment of the invention, the embodiment of the high-temperature-resistant protection system of the air conditioning system is also provided.
Fig. 4 is a schematic structural diagram of a high temperature protection system of an air conditioning system according to an embodiment of the present invention, and as shown in fig. 4, the system includes: a first temperature sensing component 401 and a controller 403.
The first temperature sensing component 401 is configured to detect at least an outdoor exhaust temperature in a heating mode of the air conditioner; and the controller 403 is connected to the first temperature sensing component and is configured to stop the outdoor fan of the air conditioner if at least it is detected that the outdoor exhaust temperature continues to rise within a first predetermined time or at least it is detected that the outdoor exhaust temperature exceeds a predetermined temperature within a second predetermined time.
When the air conditioner is a split type air conditioner, temperature sensing bulb components or temperature sensors are respectively installed in an indoor unit and an outdoor unit of the air conditioner, and are respectively used for detecting an indoor side outlet air temperature of the indoor unit and an outdoor side outlet air temperature of the outdoor unit. The temperature detected by the temperature sensing package component or the temperature sensor controls the start and stop of the outer fan of the air conditioner, so that the high-temperature-resistant timely detection of the air conditioner system can be achieved. The first temperature sensing component may be, but is not limited to, a bulb and a temperature sensor.
In an optional embodiment, when the air conditioner is in a heating mode, a controller of the air conditioner firstly judges whether a compressor of the air conditioner is in initial starting operation, if the compressor is in initial starting operation, in order to prevent high pressure of an air conditioning system caused by hysteresis of temperature collected by a temperature sensing element, after the compressor is operated for 30-60 s, whether the exhaust temperature of the outdoor side continuously rises within a first preset time is judged, and if the exhaust temperature continuously rises, an outdoor fan of the air conditioner is controlled to stop operating; if the outdoor side exhaust temperature is detected not to continuously rise within the first preset time, the air conditioning system keeps the heating mode to continue to operate.
In another alternative embodiment, if the compressor is not initially started, the controller of the air conditioning system detects whether the outdoor discharge temperature is continuously greater than the predetermined temperature for a second predetermined time, and if the outdoor discharge temperature is continuously detected to be greater than the predetermined temperature for the second predetermined time, the controller controls the outdoor fan of the air conditioner to be stopped, otherwise, the air conditioner continues to operate in the heating mode.
As can be seen from the above, the first temperature sensing element detects at least the outdoor side exhaust temperature in the heating mode of the air conditioner, and if it is detected that at least the outdoor side exhaust temperature continues to rise within a first predetermined time or that at least the outdoor side exhaust temperature exceeds a predetermined temperature within a second predetermined time, the controller connected to the first temperature sensing element stops the outdoor fan of the air conditioner.
It is easy to notice that, because the outdoor side exhaust temperature of the air conditioning system is detected in the heating mode, but not the inner side pipe temperature of the air conditioning system, namely, the accuracy of the detection of the high temperature protection of the system and the comfort of a user are improved by detecting the outdoor side exhaust temperature, the purpose of improving the accuracy of the detection of the high temperature protection of the air conditioning system is achieved, thereby realizing the technical effects of effectively detecting the high temperature protection of the air conditioning system, improving the reliability of the air conditioning system and the comfort of the user, and further solving the technical problem that the prior air conditioning system is not protected in time by the high temperature protection.
In an alternative embodiment, the protection system for protecting the air conditioning system from high temperature further comprises: a second temperature sensing component. The second temperature sensing component is used for detecting the indoor side outlet air temperature under the condition that the compressor of the air conditioner is not started for the first time; the controller is also used for stopping an outdoor fan of the air conditioner under the condition that the outdoor side exhaust temperature exceeds a first preset temperature within a second preset time and the indoor side outlet air temperature exceeds a second preset temperature within a second preset time.
Specifically, whether the outdoor side exhaust temperature exceeds a first preset temperature within a second preset time or not is detected, and whether the indoor side outlet air temperature exceeds a second preset temperature within the second preset time or not is detected. If the outdoor side exhaust air temperature exceeds the first predetermined temperature within the second predetermined time and the indoor side outlet air temperature exceeds the second predetermined temperature within the second predetermined time, T
Exhaust of gases＞T
2And, T
Air outlet＞T
3And controlling the air conditioning system to enter high temperature protection and controlling a fan of an outdoor unit of the air conditioner to stop. Then, in a preset time period of stopping the fan of the outdoor unit of the air conditioner, continuously detecting whether the exhaust temperature of the outdoor side is lower than a fourth preset temperature, namely T
Exhaust of gases＜T
4And if the exhaust temperature on the outdoor side is continuously detected to be lower than the fourth preset temperature within the preset time period, the system high-temperature protection is exited.
In the above process, the first predetermined temperature is T
2，T
2The value range of (A) can be 100-110 ℃; the second predetermined time is t
4，t
4The value range of (1) to (5) s; the second predetermined temperature is T
3，T
3The value range of (A) can be 38-45 ℃; the fourth predetermined temperature is T
4，T
4Can have a value range of90～100℃。
The first predetermined temperature, the second predetermined time, the second predetermined temperature, and the fourth predetermined temperature may be set according to different air conditioning systems.
In addition, when the auxiliary electric heating of the indoor unit is started, the indoor side air outlet temperature is switched to be detected whether to exceed a third preset temperature within a second preset time. Namely, under the condition that the outdoor unit is opened by auxiliary electric heating, the temperature sensing component arranged in the indoor unit detects the indoor air outlet temperature T
Air outletWhether consistently greater than the third predetermined temperature T
5And if the indoor side air outlet temperature is consistently lower than the third preset temperature within the range of the second preset time, controlling an outdoor fan of the air conditioner to stop, and enabling the air conditioner to enter a system for high-temperature prevention protection. In the above process, the third predetermined temperature T
5The value range of (A) can be 43-48 ℃.
In another optional embodiment, the protection system for preventing high temperature of the air conditioning system further comprises: and a third temperature sensing component. The second temperature sensing component is used for detecting the exhaust temperature of the outdoor side under the condition that the compressor of the air conditioner is started for the first time; the controller is also used for stopping an outdoor fan of the air conditioner when the exhaust temperature of the outdoor side continuously rises within a first preset time.
Specifically, after the compressor is controlled to continuously run for a first period of time, whether the outdoor side exhaust temperature continuously rises within a first preset time is detected, and if the outdoor side exhaust temperature continuously rises within the first preset time, the air conditioning system enters heat preservation prevention protection and controls a fan of an outdoor unit of the air conditioner to stop. And then, after the outdoor fan of the air conditioner is stopped for a second time, the system is quitted for high-temperature protection. In the above process, the first duration is t
1，t
1The value range of (A) can be 30-60 s; the first predetermined time is t
2，t
2The value range of (1) is 5-20 s; the second duration is t
3，t
3The value range of (A) can be 10-30 s.
It should be noted that the first time period, the first predetermined time period, and the second time period may be set according to different air conditioning systems.
Further, detecting whether the outdoor side exhaust gas temperature continues to rise within a first predetermined time includes: it is detected whether the outdoor side exhaust temperature continues to rise by a predetermined increment within a first predetermined time. Specifically, the temperature sensing bulb components on the outdoor unit of the air conditioner detect the outdoor side exhaust temperature once at regular intervals, for example, the outdoor side exhaust temperature detected at time a is 90 ℃, the outdoor side exhaust temperature detected at time B is 105 ℃, the outdoor side exhaust temperature detected at time C is 116 ℃, the temperature increases at the two times are 15 ℃ and 14 ℃, respectively, and the predetermined temperature increase is T
1And T is
1In the case of 10 c, both of the above temperature increases are greater than the predetermined increase of 10 c, and at this time, it is determined that the outdoor side exhaust temperature continues to rise for the first predetermined time. Wherein the predetermined temperature increment T
1The value range of (A) can be 10-20 ℃.
In addition, it should be noted that if it is detected that the outdoor side exhaust temperature does not continuously rise within the first predetermined time, that is, the indoor side exhaust temperature has a tendency to fall within the first predetermined time, the controller of the air conditioning system controls the air conditioning system to continue to operate in the heating mode without entering the high temperature protection state.
Further, according to another aspect of the embodiments of the present invention, there is also provided a storage medium including a stored program, wherein the program executes the protection method of the air conditioning system against high temperature in embodiment 1.
According to another aspect of the embodiments of the present invention, there is also provided a processor for running a program, wherein the program executes the protection method of the air conditioning system against high temperature in embodiment 1 when running.
According to another aspect of the embodiments of the present invention, there is also provided a terminal, including: an air conditioner; a processor that runs a program, wherein the program runs to execute the protection method against high temperature of the air conditioning system in embodiment 1 on data output from the air conditioner.
According to another aspect of the embodiments of the present invention, there is also provided a terminal, including: an air conditioner; a storage medium for storing a program, wherein the program performs the protection method against high temperature of the air conditioning system in embodiment 1 on data output from the air conditioner at the time of operation.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (12)
1. A high-temperature protection method for an air conditioning system is characterized by comprising the following steps:
detecting at least an outdoor side exhaust temperature in a heating mode of the air conditioner;
if at least the outdoor side exhaust temperature is detected to continuously rise within a first preset time, or at least the outdoor side exhaust temperature is detected to exceed a preset temperature within a second preset time, stopping an outdoor fan of the air conditioner;
in the case where a compressor of the air conditioner is initially started to operate, in which at least an outdoor side exhaust temperature is detected, the method includes: detecting whether the outdoor side exhaust temperature continuously rises within the first predetermined time after controlling the compressor to continuously operate for a first period of time;
in a case where a compressor of the air conditioner is not initially started to operate, in which at least an outdoor side discharge temperature is detected, comprising: and detecting whether the outdoor side exhaust temperature exceeds a first preset temperature within the second preset time, and detecting whether the indoor side outlet air temperature exceeds a second preset temperature within the second preset time.
2. The method of claim 1, wherein detecting whether the outdoor side exhaust gas temperature continues to rise for the first predetermined time comprises: detecting whether the outdoor side exhaust temperature continuously rises by a predetermined increment within the first predetermined time.
3. The method of claim 1, wherein after stopping an outdoor fan of the air conditioner, the method further comprises:
and after the outdoor fan of the air conditioner is stopped for a second time, the system is quitted for high-temperature protection.
4. The method according to claim 1, characterized by switching to detect whether the indoor side outlet air temperature exceeds a third predetermined temperature within the second predetermined time when the indoor unit auxiliary electric heating is turned on.
5. The method of claim 4, wherein after stopping an outdoor fan of the air conditioner, the method further comprises:
and if the outdoor side exhaust temperature is continuously detected to be lower than the fourth preset temperature within the preset time period, the system high temperature protection is exited.
6. A high temperature protection device for an air conditioning system, comprising:
the detection module is used for at least detecting the outdoor side exhaust temperature in the heating mode of the air conditioner;
the control module is used for stopping an outdoor fan of the air conditioner if at least the outdoor side exhaust temperature is detected to continuously rise within a first preset time or at least the outdoor side exhaust temperature is detected to exceed a preset temperature within a second preset time;
in the case that the compressor of the air conditioner is operated for the first start, wherein the detecting module includes: the first detection module is used for detecting whether the exhaust temperature at the outdoor side continuously rises within the first preset time or not after controlling the compressor to continuously run for a first time;
in a case where the compressor of the air conditioner is not initially started to operate, the detection module includes: and the third detection module is used for detecting whether the outdoor side exhaust temperature exceeds the first preset temperature within the second preset time and detecting whether the indoor side outlet air temperature exceeds the second preset temperature within the second preset time.
7. A high temperature protection system for an air conditioning system, comprising:
the first temperature sensing component is used for at least detecting the outdoor side exhaust temperature in the heating mode of the air conditioner;
the controller is connected with the first temperature sensing element and used for stopping an outdoor fan of the air conditioner if at least the exhaust temperature of the outdoor side is detected to continuously rise within a first preset time or at least the exhaust temperature of the outdoor side is detected to exceed a preset temperature within a second preset time;
under the condition that a compressor of the air conditioner is in initial starting operation, the controller detects whether the outdoor side exhaust temperature continuously rises within the first preset time after controlling the compressor to continuously operate for a first time;
under the condition that the compressor of air conditioner is not the first start-up operation, the controller detects whether outdoor side exhaust temperature is in exceed first predetermined temperature in the second predetermined time to detect whether indoor side air-out temperature is in exceed second predetermined temperature in the second predetermined time.
8. The system of claim 7, further comprising:
the second temperature sensing component is used for detecting the indoor side outlet air temperature under the condition that the compressor of the air conditioner is not started for the first time;
the controller is also used for stopping an outdoor fan of the air conditioner when the outdoor side exhaust temperature exceeds a first preset temperature within the second preset time and the indoor side outlet air temperature exceeds a second preset temperature within the second preset time.
9. A storage medium characterized by comprising a stored program, wherein the program executes the protection method of an air conditioning system against high temperatures according to any one of claims 1 to 5.
10. A processor, characterized in that the processor is used for running a program, wherein the program is run to execute the protection method of the air conditioning system against high temperature according to any one of claims 1 to 5.
11. A terminal, comprising:
an air conditioner;
a processor that executes a program, wherein the program executes the method of protecting the air conditioning system from high temperature according to any one of claims 1 to 5 with respect to data output from the air conditioner.
12. A terminal, comprising:
an air conditioner;
a storage medium for storing a program, wherein the program performs the protection method of the air conditioning system against high temperature according to any one of claims 1 to 5 on data output from the air conditioner when running.
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| CN201710419368.5A CN107367012B (en) | 2017-06-06 | 2017-06-06 | High-temperature-resistant protection method, protection device and protection system for air conditioning system |
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| CN110006140A (en) * | 2019-03-04 | 2019-07-12 | 青岛海尔空调电子有限公司 | Control method and air-cooled magnetic suspension unit for air-cooled magnetic suspension unit |
| CN110131833B (en) * | 2019-05-15 | 2021-01-15 | 宁波奥克斯电气股份有限公司 | High-temperature protection method and device, air conditioner and computer readable storage medium |
| CN110260525B (en) * | 2019-06-10 | 2021-09-17 | 广东海悟科技有限公司 | Control method and device of fan and computer readable storage medium |
| CN110410972A (en) * | 2019-07-25 | 2019-11-05 | 宁波奥克斯电气股份有限公司 | A kind of control method, device and the air conditioner of air conditioner delivery temperature |
| CN111189104A (en) * | 2020-01-08 | 2020-05-22 | 海信（广东）空调有限公司 | Air conditioner and high-temperature protection control method thereof |
| CN111878971A (en) * | 2020-06-30 | 2020-11-03 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
| CN112178783A (en) * | 2020-09-22 | 2021-01-05 | 佛山市万物互联科技有限公司 | Air conditioner sterilization method and device, air conditioner and storage medium |
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