A fresh air duct structure, a fresh air air conditioner and its control method and system

Abstract

This invention discloses a fresh air duct structure, a fresh air conditioner, and its control method and system. The system includes a fresh air intake duct, at least a portion of which is a heat exchange duct section. At least a portion of the wall of the heat exchange duct section is formed by an air conditioner frame, and the frame portion forming the heat exchange duct section is made of a good thermal conductor. In practical applications, when there is a temperature difference between the fresh air introduced through the fresh air intake duct and the indoor fresh air system, the air conditioner's operating temperature can be transferred to the air conditioner frame through the air outlet duct. This allows the air conditioner frame at the heat exchange duct section to exchange heat with the fresh air introduced through the fresh air intake duct in advance. Therefore, after the pre-heat exchange, the temperature difference between the fresh air and the components of the indoor fresh air system is significantly reduced, effectively avoiding the problem of abnormal noises during fresh air replacement that could affect the user experience.

Description

TECHNICAL FIELD

[0001] The present application relates to the air conditioning technical field, and particularly to a fresh air pipeline structure, a fresh air conditioner and a control method and system thereof. BACKGROUND

[0002] When the fresh air conditioner performs fresh air replacement, the outdoor air flows through the fresh air passage of the air conditioner, and heat exchange is required due to the temperature difference between the outdoor air temperature and the indoor environment temperature. The outdoor fresh air enters the fan chamber through the fresh air inlet pipeline, and then enters the indoor environment through the fresh air mechanism to complete the indoor and outdoor fresh air replacement. When the outdoor fresh air is supercooled or overheated, the fresh air mechanism will expand or contract when the outdoor fresh air flows through the fresh air mechanism, the components will relatively displace, abnormal sound will be generated, and the user experience will be affected.

[0003] In summary, how to solve the problem that the fresh air conditioner is prone to abnormal sound during fresh air replacement and affects the user experience has become a technical problem that needs to be solved by the technical personnel in the field. SUMMARY

[0004] The purpose of the present application is to provide a fresh air pipeline structure, a fresh air conditioner and a control method and system thereof to solve the problem that the fresh air conditioner is prone to abnormal sound during fresh air replacement and affects the user experience.

[0005] In order to achieve the above-mentioned purpose, the present application provides a fresh air pipeline structure, which comprises a fresh air inlet pipeline, at least part of the pipeline section of the fresh air inlet pipeline is a heat exchange pipeline section, at least part of the pipeline wall of the heat exchange pipeline section is composed of an air conditioner framework, and the air conditioner framework is made of a good conductor material.

[0006] Preferably, the heat exchange pipeline section is formed by splicing a first semicircular cavity and a second semicircular cavity, the first semicircular cavity is formed in the fresh air inlet pipeline, and the second semicircular cavity is formed in the air conditioner framework.

[0007] Compared with the background technology introduction content, the above-mentioned fresh air pipeline structure, including the fresh air inlet pipe, at least part of the pipe section of the fresh air inlet pipe is a heat exchange pipe section, at least part of the pipe wall of the heat exchange pipe section is composed of an air conditioner framework, and the air conditioner framework is made of a good thermal conductor material at least for forming the skeleton part of the heat exchange pipe section. In the actual application process, since at least part of the pipe section of the fresh air inlet pipe is a heat exchange pipe section, at least part of the pipe wall of the heat exchange pipe section is composed of an air conditioner framework, and the air conditioner framework is made of a good thermal conductor material, therefore, when there is a certain temperature difference between the fresh air introduced by the fresh air inlet pipe and the indoor fresh air mechanism, the working temperature of the air conditioner can be transmitted to the air conditioner framework through the air outlet channel, so that the air conditioner framework at the heat exchange pipe section can be preheated with the fresh air introduced by the fresh air inlet pipe. Since the temperature of the components of the indoor fresh air mechanism is close to the temperature of the air conditioner framework, the temperature difference between the fresh air and the components of the indoor fresh air mechanism after preheating is obviously reduced, thereby effectively avoiding the problem that the fresh air conditioner is prone to produce abnormal sound during fresh air replacement, thereby affecting the user's experience.

[0008] In addition, the present application also provides a fresh air conditioner, which comprises the fresh air pipeline structure described in any of the above-mentioned schemes. Since the above-mentioned fresh air pipeline structure has the above-mentioned technical effects, the fresh air conditioner with the fresh air pipeline structure should also have corresponding technical effects, which will not be repeated here.

[0009] In addition, the present application also provides a control method for a fresh air conditioner, which comprises the following steps:

[0010] When it is detected that the temperature difference between the outdoor fresh air temperature T1 of the fresh air conditioner and the component temperature T2 of the indoor fresh air mechanism exceeds the preset difference value AT, the working temperature of the fresh air conditioner is adjusted and the heat exchange between the heat exchange pipe section and the fresh air introduced by the fresh air inlet pipe is controlled to reduce the temperature difference between the indoor fresh air mechanism and the fresh air introduced by the fresh air inlet pipe.

[0011] Since the control method is the control method of the above-mentioned fresh air conditioner, both belong to one general inventive concept, and the above-mentioned fresh air conditioner has the above-mentioned technical effects, therefore the control method should also have corresponding technical effects, which will not be repeated here.

[0012] Preferably, the control method controls the fresh air conditioner to adjust the working temperature in the following way:

[0013] When T1 < T2 and T2-T1 > AT, the controller controls the fresh air conditioner to increase the working temperature; when T1 > T2 and T1-T2 > AT, the controller controls the fresh air conditioner to reduce the working temperature.

[0014] Preferably, the preset difference △T is 5℃.

[0015] Preferably, the control method further comprises:

[0016] obtaining an outdoor fresh air temperature T1 of the fresh air conditioner and a component temperature T2 of the indoor fresh air mechanism.

[0017] In addition, the application also provides a control system of the fresh air conditioner, wherein the fresh air conditioner is the fresh air conditioner described above, the control system comprises a first temperature sensor, a second temperature sensor and a controller.

[0018] The first temperature sensor is used to detect the outdoor fresh air temperature T1.

[0019] The second temperature sensor is used to detect the component temperature T2 of the indoor fresh air mechanism.

[0020] When the temperature difference between the outdoor fresh air temperature T1 and the component temperature T2 of the indoor fresh air mechanism exceeds a preset difference △T, the controller controls the fresh air conditioner to adjust the working temperature and exchange heat with the fresh air introduced by the fresh air inlet pipe through the skeleton part of the heat exchange pipe section, so as to reduce the temperature difference between the indoor fresh air mechanism and the fresh air introduced by the fresh air inlet pipe.

[0021] Preferably, when T1 < T2 and T2-T1 > △T, the controller controls the fresh air conditioner to increase the working temperature; when T1 > T2 and T1-T2 > △T, the controller controls the fresh air conditioner to decrease the working temperature.

[0022] Preferably, the preset difference △T is 5℃. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The schematic diagram of the fresh air pipeline structure provided by the embodiment of the application;

[0024] Figure 2 The flow chart of the control method of the fresh air conditioner provided by the embodiment of the application.

[0025] In Figure 1 , the application provides a fresh air pipeline structure, a fresh air conditioner and a control method and system thereof.

[0026] The fresh air inlet pipe 1, the heat exchange pipe section 2 and the air conditioner skeleton 3. DETAILED DESCRIPTION

[0027] The core of the application is to provide a fresh air pipeline structure, a fresh air conditioner and a control method and system thereof, so as to solve the problem that the fresh air conditioner is prone to produce abnormal sound when replacing fresh air, thereby affecting the user's experience.

[0028] In order for those skilled in the art to better understand the technical solutions provided by the present application, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0029] As shown in Figure 1 , the present application provides a fresh air pipeline structure, which comprises a fresh air inlet pipe 1, at least part of the pipe section of the fresh air inlet pipe 1 is a heat exchange pipe section 2, at least part of the pipe wall of the heat exchange pipe section 2 is composed of an air conditioner framework 3, and the air conditioner framework 3 is made of a good thermal conductor material at least for forming the framework part of the heat exchange pipe section 2.

[0030] The fresh air pipeline structure, in the actual application process, since at least part of the pipe section of the fresh air inlet pipe is a heat exchange pipe section, and at least part of the pipe wall of the heat exchange pipe section is composed of an air conditioner framework, and the air conditioner framework is made of a good thermal conductor material, therefore, when there is a certain temperature difference between the fresh air introduced by the fresh air inlet pipe and the fresh air mechanism in the room, the working temperature of the air conditioner can be transmitted to the air conditioner framework through the air outlet channel, so that the air conditioner framework at the heat exchange pipe section can be pre-heated with the fresh air introduced by the fresh air inlet pipe. Since the temperature of the components of the indoor fresh air mechanism is close to the temperature of the air conditioner framework, the temperature difference between the fresh air and the components of the indoor fresh air mechanism after pre-heating is significantly reduced, thereby effectively avoiding the problem that the fresh air conditioner is prone to produce abnormal sound during fresh air replacement, thereby affecting the user's experience.

[0031] In some specific embodiments, the specific structure of the heat exchange pipe section 2 can be formed by splicing a first semicircular cavity and a second semicircular cavity, the first semicircular cavity is formed in the fresh air inlet pipe 1, and the second semicircular cavity is formed in the air conditioner framework 3. Of course, it can be understood that the heat exchange pipe section is designed in the above structure, which is only a preferred example of the present application, and in actual application, the heat exchange pipe section can also be directly formed on the air conditioner framework, and the cavity of the heat exchange pipe section is composed of the air conditioner framework, and then the two ends of the heat exchange pipe section are connected to the fresh air inlet pipe. However, designing in this way will increase the overall thickness of the air conditioner framework.

[0032] In addition, the present application also provides a fresh air conditioner, which comprises the fresh air pipeline structure described in any of the above solutions. Since the above fresh air pipeline structure has the above technical effects, the fresh air conditioner with the fresh air pipeline structure should also have corresponding technical effects, which will not be described here.

[0033] In addition, as shown in Figure 2 , the present application also provides a control method of a fresh air conditioner, which is a control method of the foregoing fresh air conditioner, and the control method specifically comprises:

[0034] When the temperature difference between the outdoor fresh air temperature T1 of the fresh air conditioner and the component temperature T2 of the indoor fresh air mechanism exceeds the preset difference value AT, the fresh air conditioner is controlled to work temperature adjustment and heat exchange with the fresh air introduced by the fresh air inlet pipe through the skeleton part of the heat exchange pipe section, so as to reduce the temperature difference between the indoor fresh air mechanism and the fresh air introduced by the fresh air inlet pipe.

[0035] It should be noted that the preset difference value AT is generally set at the factory, and the numerical value of the preset difference value is related to the component material of the fresh air mechanism. For most air conditioner materials, the preset difference value AT can be set to 5℃. Of course, for the material of the components of the fresh air mechanism of the air conditioner, other more accurate values can be selected by a large number of test tests, and no more specific limitations are made here.

[0036] In addition, those skilled in the art should understand that in order to realize the comparison between the temperature difference between the outdoor fresh air temperature T1 of the fresh air conditioner and the component temperature T2 of the indoor fresh air mechanism and the preset difference value AT, the control method should further include the step of obtaining the outdoor fresh air temperature T1 of the fresh air conditioner and the component temperature T2 of the indoor fresh air mechanism.

[0037] In further embodiments, the control method controls the fresh air conditioner to work temperature adjustment in the following way:

[0038] When T1 < T2 and T2-T1 > AT, the fresh air conditioner is in heating mode at this time, and the controller controls the fresh air conditioner to increase the working temperature, so that the air conditioner skeleton is heat-exchanged through the air outlet duct of the air conditioner, and then the fresh air temperature introduced into the fresh air mechanism is increased through the heat exchange between the air conditioner skeleton and the fresh air in the fresh air inlet pipe, so that the components of the fresh air mechanism do not appear relative displacement between the components due to too large temperature difference, thereby avoiding the abnormal sound problem.

[0039] Similarly, when T1 > T2 and T1-T2 > AT, the fresh air conditioner is in cooling mode at this time, and the controller controls the fresh air conditioner to reduce the working temperature, so that the air conditioner skeleton is cooled through the air outlet duct of the air conditioner, and then the fresh air temperature introduced into the fresh air mechanism is reduced through the heat exchange between the air conditioner skeleton and the fresh air in the fresh air inlet pipe, so that the components of the fresh air mechanism do not appear relative displacement between the components due to too large temperature difference, thereby avoiding the abnormal sound problem.

[0040] In addition, the application also provides a control system of a fresh air conditioner, the fresh air conditioner being the fresh air conditioner described above, and the control system specifically comprising a first temperature sensor, a second temperature sensor and a controller.

[0041] The first temperature sensor is used for detecting outdoor fresh air temperature T1; the second temperature sensor is used for detecting component temperature T2 of the indoor fresh air mechanism; when the temperature difference between the outdoor fresh air temperature T1 and the component temperature T2 of the indoor fresh air mechanism exceeds a preset difference AT, the controller controls the fresh air conditioner to work in temperature adjustment and exchanges heat with fresh air introduced by the fresh air inlet pipe through the skeleton part of the heat exchange pipe section, so as to reduce the temperature difference between the indoor fresh air mechanism and the fresh air introduced by the fresh air inlet pipe.

[0042] Specifically, when T1 < T2 and T2-T1 > AT, the controller controls the fresh air conditioner to increase the working temperature; when T1 > T2 and T1-T2 > AT, the controller controls the fresh air conditioner to reduce the working temperature.

[0043] The above has introduced in detail the fresh air pipe structure, the fresh air conditioner and the control method and system thereof provided by the application. It should be noted that each embodiment in the specification is described in a progressive manner, and each embodiment mainly describes the difference from other embodiments, and the same and similar parts of each embodiment can be referred to.

[0044] It should also be noted that in this paper, terms such as "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the article or device including the above element.

[0045] The principles and implementation modes of the application are described by applying specific examples in this paper, and the above description of the examples is only used to help understand the core idea of the application. It should be noted that for ordinary skilled persons in the technical field, some improvements and modifications can be made to the application without departing from the principles of the application, and these improvements and modifications also fall within the protection scope of the claims of the application.

Claims

1. A control method of a fresh air conditioner, characterized by, The fresh air conditioner comprises a fresh air pipeline structure, the fresh air pipeline structure comprises a fresh air inlet pipe (1), at least part of a pipe section of the fresh air inlet pipe (1) is a heat exchange pipe section (2), at least part of a pipe wall of the heat exchange pipe section (2) is formed by an air conditioner framework (3), and the air conditioner framework (3) is made of a good conductor material at least for forming a framework part of the heat exchange pipe section (2); the heat exchange pipe section (2) is formed by a first semicircular pipe cavity and a second semicircular pipe cavity, the first semicircular pipe cavity is formed in the fresh air inlet pipe (1), and the second semicircular pipe cavity is formed in the air conditioner framework (3); The control method specifically comprises: When it is detected that a temperature difference between an outdoor fresh air temperature T1 of the fresh air conditioner and a component temperature T2 of an indoor fresh air mechanism exceeds a preset difference value ΔT, the fresh air conditioner is controlled to perform working temperature adjustment and heat exchange between the framework part of the heat exchange pipe section and fresh air introduced by the fresh air inlet pipe, so as to reduce the temperature difference between the indoor fresh air mechanism and the fresh air introduced by the fresh air inlet pipe.

2. The control method of the fresh air conditioner according to claim 1, characterized by, The control method controls the fresh air conditioner to perform working temperature adjustment in the following manner: When T1 < T2 and T2-T1 > ΔT, the controller controls the fresh air conditioner to increase the working temperature; when T1 > T2 and T1-T2 > ΔT, the controller controls the fresh air conditioner to decrease the working temperature.

3. The control method of a fresh air conditioner according to claim 2, characterized by, The preset difference value ΔT is 5°C.

4. The control method of a fresh air conditioner according to claim 2, characterized by, The control method further comprises: Obtaining an outdoor fresh air temperature T1 of the fresh air conditioner and a component temperature T2 of an indoor fresh air mechanism.

5. A control system of a fresh air conditioner, the fresh air conditioner comprising a fresh air pipeline structure, the fresh air pipeline structure comprising a fresh air inlet pipe (1), at least a part of a pipe section of the fresh air inlet pipe (1) being a heat exchange pipe section (2), at least a part of a pipe wall of the heat exchange pipe section (2) being formed by an air conditioner framework (3), and the air conditioner framework (3) being made of a good conductor material at least for forming a framework part of the heat exchange pipe section (2); the heat exchange pipe section (2) being formed by a first semicircular pipe cavity and a second semicircular pipe cavity, the first semicircular pipe cavity being formed in the fresh air inlet pipe (1), and the second semicircular pipe cavity being formed in the air conditioner framework (3); characterized in that, The control system comprises a first temperature sensor, a second temperature sensor and a controller; The first temperature sensor is used for detecting the outdoor fresh air temperature T1; The second temperature sensor is used for detecting the component temperature T2 of the indoor fresh air mechanism; When a temperature difference between the outdoor fresh air temperature T1 and the component temperature T2 of the indoor fresh air mechanism exceeds a preset difference value ΔT, the controller controls the fresh air conditioner to perform working temperature adjustment and heat exchange between the framework part of the heat exchange pipe section and fresh air introduced by the fresh air inlet pipe, so as to reduce the temperature difference between the indoor fresh air mechanism and the fresh air introduced by the fresh air inlet pipe.

6. The control system of the fresh air conditioner according to claim 5, wherein When T1 < T2 and T2-T1 > ΔT, the controller controls the fresh air conditioner to increase the working temperature; when T1 > T2 and T1-T2 > ΔT, the controller controls the fresh air conditioner to decrease the working temperature.

7. The control system of the fresh air conditioner according to claim 5, wherein The preset difference value ΔT is 5°C.

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