Heat exchange assembly of air conditioner electric appliance box and air conditioner

Abstract

The utility model relates to a heat exchange assembly of an air conditioner electric appliance box and an air conditioner, the air conditioner electric appliance box is arranged on a middle partition plate, components are arranged in the air conditioner electric appliance box, the heat exchange assembly comprises a plurality of base plates, the base plates are arranged on the middle partition plate side by side, the base plates and the components are located on the same side, each base plate is provided with a refrigerant pipeline, and the temperatures of the base plates are different; the first heat pipe and the second heat pipe are connected, the first heat pipe can move to any substrate, and one end, far away from the first heat pipe, of the second heat pipe is rotatably connected with the component; the temperature detection module is used for detecting the temperature of the component; when the temperature of the component does not reach the target temperature, the first heat pipe moves to the base plate matched with the target temperature, so that the temperature of the component reaches the target temperature after heat exchange of the second heat pipe, the component operates reliably, meanwhile, the base plate with the small temperature difference with the component is selected, the influence on the power of the air conditioner is reduced, and energy is saved.

Description

Technical Field

[0001] The present application relates to the technical field of refrigeration equipment, and in particular to a heat exchange component of an air-conditioning electrical box and an air conditioner. Background Art

[0002] In recent years, with the increasing integration of electronic components, their heat density has also increased dramatically. How to effectively dissipate heat has become a key factor in the development of electronic components. The same problem is faced in the field of air conditioning. At present, variable frequency air conditioners have become the mainstream of the market due to their advantages such as high efficiency and energy saving, low noise, and fast temperature adjustment. However, its components such as inverters have high power and high heat generation. If the heat cannot be discharged in time, the excessive temperature will inevitably cause damage to the inverter and seriously affect the operation of the whole machine. Therefore, when cooling at high temperature, it is necessary to reduce the temperature of the components in the air conditioner so that the air conditioner can operate reliably.

[0003] At present, there are generally two ways to dissipate heat from components: air cooling and refrigerant cooling. The refrigerant cooling method usually embeds the refrigerant pipe in the heat sink, and fixes the heat sink and the heat-generating components of the air conditioner, and removes the heat of the components through the refrigerant circulation and heat exchange of the heat pipe. Since the refrigerant pipe and the heat sink are fixed, under refrigeration conditions, the heat dissipation of the components will take away part of the cold, causing the operating power of the air conditioner to increase, the performance of the air conditioner to decrease, and the energy consumption of the air conditioner to be high. Utility Model Content

[0004] The present application provides a heat exchange component of an air conditioner electrical box and an air conditioner to solve the technical problem that the heat dissipation of components by existing refrigerant circulation and heat exchange of heat pipes will take away part of the cold energy, causing the operating power of the air conditioner to increase and the air conditioner to have high energy consumption.

[0005] In the first aspect, the present application provides a heat exchange component of an air-conditioning electrical box, which is arranged on a middle partition, and components are arranged in the air-conditioning electrical box. The heat exchange component includes: multiple substrates, which are arranged side by side on the middle partition and on the same side as the components, each substrate is provided with a refrigerant pipeline, and the temperatures of the multiple substrates are different; a first heat pipe and a second heat pipe connected to each other, the first heat pipe can be moved to any one of the substrates, and the end of the second heat pipe away from the first heat pipe is rotatably connected to the component; and a temperature detection module, which is used to detect the temperature of the component; when the temperature of the component does not reach the target temperature, the first heat pipe moves to the substrate adapted to the target temperature, so that the temperature of the component reaches the target temperature after heat exchange by the second heat pipe, and the target temperature is less than the first temperature threshold or greater than the second temperature threshold.

[0006] In a possible implementation, a slide groove is provided on the substrate, and a slider slidably connected to the slide groove is provided on a side of the first heat pipe facing the substrate, so that the first heat pipe can be moved to any substrate.

[0007] In a possible implementation, it further includes a motor and a gear connected to the motor, the motor is arranged on the middle partition, and the first heat pipe is provided with a rack meshing with the gear.

[0008] In a possible implementation, a heat exchange channel is provided on the substrate, the heat exchange channel and the slide groove are perpendicular to each other, and the refrigerant pipeline is provided through the heat exchange channel.

[0009] In a possible implementation, one end of the second heat pipe is rotatably connected to the component via a first pin, and the other end of the second heat pipe is rotatably connected to the first heat pipe via a second pin.

[0010] In a possible implementation, there are multiple components, multiple first heat pipes, and multiple second heat pipes, which correspond to each other one by one and are rotatably connected to the multiple components, and the ends of the multiple second heat pipes away from the corresponding components are rotatably connected to the first heat pipes respectively.

[0011] In the second aspect, the present application provides an air conditioner, comprising a compressor, an indoor heat exchanger, a throttling element, an outdoor heat exchanger, an external machine housing and a heat exchange component of the air conditioner electrical box as described above, wherein a middle partition is arranged in the external machine housing, and the air conditioner electrical box and the heat exchange component are arranged on the middle partition; the suction port of the compressor is connected to the refrigerant outlet of the indoor heat exchanger through the compressor suction pipe, the exhaust port of the compressor is connected to the refrigerant inlet of the outdoor heat exchanger through the compressor exhaust pipe, the refrigerant outlet of the outdoor heat exchanger is connected to the inlet of the throttling element through the condenser outlet pipe, the outlet of the throttling element is connected to the refrigerant inlet of the indoor heat exchanger through the small tube after throttling, and flow path reversing valves are arranged on the compressor suction pipe and the compressor exhaust pipe.

[0012] In a possible implementation, the refrigerant pipelines of the multiple substrates of the heat exchange component are respectively a compressor suction pipe, a compressor exhaust pipe, a small tube after throttling, and a condenser outlet pipe.

[0013] In one possible implementation, a middle partition separates the outer casing into a first chamber and a second chamber, a fan and an outdoor heat exchanger are disposed in the first chamber, a compressor is disposed in the second chamber, and a plurality of heat dissipation holes connecting the first chamber and the second chamber are provided on the middle partition.

[0014] In the third aspect, the present application provides a temperature control method for an air-conditioning electrical box, which is applied to the air conditioner as described above, and the temperature control method includes: obtaining the air-conditioning operating condition and the temperature of the components; if the air-conditioning operating condition is a cooling condition, and the temperature of the component is greater than a first temperature threshold, controlling the first heat pipe to move to a substrate adapted to the first temperature threshold; if the air-conditioning operating condition is a heating condition, and the temperature of the component is less than a second temperature threshold, controlling the first heat pipe to move to a substrate adapted to the second temperature threshold.

[0015] In one possible implementation, the refrigerant pipelines of multiple substrates are respectively a compressor suction pipe, a compressor exhaust pipe, a small tube after throttling and a condenser outlet pipe, and the temperature control method also includes: if the air-conditioning operating condition is a cooling condition and operates at a low load, the priority of controlling the first heat pipe to move to the substrate is the following substrates with refrigerant pipelines: compressor exhaust pipe, condenser outlet pipe, small tube after throttling, compressor suction pipe; if the air-conditioning operating condition is a cooling condition and operates at a high load, the priority of controlling the first heat pipe to move to the substrate is the following substrates with refrigerant pipelines: compressor suction pipe, small tube after throttling, condenser outlet pipe; if the air-conditioning operating condition is a heating condition, controlling the first heat pipe to move to the substrate with the compressor exhaust pipe.

[0016] The above technical solution provided by the embodiment of the present application has the following advantages compared with the prior art:

[0017] The embodiment of the present application provides a heat exchange component of an air conditioner electrical box and an air conditioner. Under refrigeration conditions, when the temperature of a component is greater than a first temperature threshold, the first heat pipe moves to a substrate adapted to a target temperature to connect to a cold source, and conducts the coldness of the refrigerant pipeline to one end of the second heat pipe in turn through the substrate and the first heat pipe by heat conduction. The other end of the second heat pipe directly contacts the component, and the heat exchange of the second heat pipe is used to dissipate the heat of the component, so that the temperature of the component drops to the target temperature, thereby ensuring the working reliability of the component. Under refrigeration conditions, the substrate adapted to the target temperature refers to a substrate below the first temperature threshold. At this time, since the temperatures of multiple refrigerant pipelines can be lower than the first temperature threshold, that is, the temperatures of multiple substrates can be lower than the first temperature threshold, by selecting a substrate with a smaller temperature difference with the component, the influence on the power of the air conditioner is reduced, the cooling capacity of the air conditioner is ensured, and the energy consumption of the air conditioner is reduced, saving energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0020] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0021] Figure 1 A schematic structural diagram of a heat exchange component of an air conditioner electrical box provided in one embodiment of the present application;

[0022] Figure 2 for Figure 1 The structure diagram of the air conditioner electrical box along direction A is shown;

[0023] Figure 3 for Figure 1 A schematic structural diagram of a base plate of a heat exchange component is shown;

[0024] Figure 4 for Figure 1 The structural exploded schematic diagram of the heat exchange component is shown;

[0025] Figure 5 A schematic structural diagram of a heat exchange component of an air conditioner electrical box provided in another embodiment of the present application;

[0026] Figure 6 A working principle diagram of an air conditioner provided in one embodiment of the present application;

[0027] Figure 7 A schematic diagram of an outer housing and an internal structure of an air conditioner provided in an embodiment of the present application;

[0028] Figure 8 A flow chart of a temperature control method for an air-conditioning electrical box provided in an embodiment of the present application.

[0029] Description of reference numerals:

[0030] 100. Air conditioner;

[0031] 1. heat exchange component; 11. base plate; 111. slide; 112. heat exchange channel; 12. refrigerant pipeline; 121. compressor exhaust pipe; 122. condenser outlet pipe; 123. small pipe after throttling; 124. compressor suction pipe; 13. first heat pipe; 131. slider; 132. rack; 14. second heat pipe; 15. motor; 16. gear; 17. first pin shaft; 18. second pin shaft;

[0032] 2. Compressor; 3. Indoor heat exchanger; 4. Throttling element; 5. Outdoor heat exchanger; 6. External machine housing; 61. First chamber; 62. Second chamber; 7. Air conditioner electrical box; 71. Components; 8. Middle partition; 81. Heat dissipation holes; 9. Fan. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0034] The disclosure below provides many different embodiments or examples to realize the different structures of the present application. In order to simplify the disclosure of the present application, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0035] For ease of description, spatial relative terms may be used herein to describe the relative positional relationship or movement of one element or feature relative to another element or feature as shown in the figure, such as "inside", "outside", "inner side", "outer side", "below", "below", "above", "above", "front", "back", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure undergoes a position flip or a posture change or a motion state change, then these directional indications also change accordingly, for example: an element described as "below other elements or features" or "below other elements or features" will subsequently be oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative descriptors used herein are interpreted accordingly.

[0036] In the prior art, when the air conditioning circulation system is running at high frequency, the temperature difference of different refrigerant pipelines is large. For example, the temperature of the compressor exhaust pipe can reach 90+℃, the temperature of the condenser outlet pipe 122 can reach 40+℃, the temperature of the small tube after throttling can reach 15-℃, and the temperature of the compressor suction pipe can reach 2-℃. Therefore, for the heat dissipation of components, the range of component cold sources is very large. The current refrigerant heat dissipation method is usually to embed the refrigerant pipe in the heat sink, and fix the heat sink and the heat generating components of the air conditioner at the same time, and take away the heat of the components through the refrigerant circulation and heat exchange of the heat pipe. Since the refrigerant pipe and the heat sink are fixed, under the refrigeration condition, the heat dissipation of the components will take away part of the cold, causing the operating power of the air conditioner to increase, resulting in a decrease in the performance of the air conditioner and a high energy consumption of the air conditioner.

[0037] In order to solve the technical problem in the prior art that heat is dissipated by components through refrigerant circulation and heat exchange of heat pipes, the heat dissipation of components will take away part of the cold, causing the operating power of the air conditioner to increase and the energy consumption of the air conditioner to be high, the present application provides a heat exchange component of an air conditioner electrical box and its temperature control method, and an air conditioner, which can ensure the required heat dissipation or temperature rise of the components under different working conditions, so that the components can operate reliably, and at the same time can reduce the impact on the power of the air conditioner, ensure the cooling capacity of the air conditioner, reduce the energy consumption of the air conditioner, and save energy.

[0038] Figure 1 A schematic structural diagram of a heat exchange component of an air conditioner electrical box provided in one embodiment of the present application; Figure 2 for Figure 1 The structure diagram of the air conditioner electrical box along direction A is shown; Figure 3 for Figure 1 A schematic structural diagram of a base plate of a heat exchange component is shown.

[0039] Figures 1 to 3 A heat exchange assembly 1 of an air-conditioning electrical box is provided in an embodiment of the present application. The air-conditioning electrical box 7 is arranged on a middle partition 8. A component 71 is arranged in the air-conditioning electrical box 7. The heat exchange assembly 1 includes a first heat pipe 13 and a second heat pipe 14 connected to each other, a temperature detection module and a plurality of substrates 11. The plurality of substrates 11 are arranged side by side on the middle partition 8 and are located on the same side as the component 71. A refrigerant pipeline 12 is provided on each substrate 11, and the temperatures of the plurality of substrates 11 are different. The first heat pipe 13 can be moved to any one of the substrates 11, and the end of the second heat pipe 14 away from the first heat pipe 13 is rotatably connected to the component 71. The temperature detection module can be arranged on the component 71 to detect the temperature of the component 71. When the temperature of the component 71 does not reach the target temperature, the first heat pipe 13 moves to the substrate 11 adapted to the target temperature, so that the temperature of the component 71 reaches the target temperature after heat exchange by the second heat pipe 14, and the target temperature is less than the first temperature threshold or greater than the second temperature threshold.

[0040] The heating power of the component 71 is generally within 100W, and the component 71 can operate normally within the temperature range of 45°C to 70°C, so the first temperature threshold can be set to 70°C, and the second temperature threshold can be set to 45°C. Under different working conditions, the heating conditions of the component 71 are different, so the real-time operating temperature of the component 71 is different.

[0041] Under the refrigeration condition, the component 71 generates severe heat, which affects the normal operation of the component 71. When the real-time operating temperature of the component 71 is greater than the first temperature threshold, the first heat pipe 13 moves to the substrate 11 adapted to the target temperature to connect to the cold source, and conducts the coldness of the refrigerant pipeline 12 to one end of the second heat pipe 14 through the substrate 11 and the first heat pipe 13 in turn by heat conduction. The other end of the second heat pipe 14 directly contacts the component 71, and the heat exchange of the second heat pipe 14 is used to dissipate the heat of the component 71, so that the temperature of the component 71 drops to the target temperature, thereby ensuring the working reliability of the component 71. It should be noted that the substrate 11 adapted to the target temperature under the refrigeration condition refers to the substrate 11 below the first temperature threshold. At this time, since the temperatures of the multiple refrigerant pipes 12 can be lower than the first temperature threshold, that is, the temperatures of the multiple substrates 11 can be lower than the first temperature threshold, by selecting the substrate 11 with a smaller temperature difference with the component 71, the impact on the power of the air conditioner 100 is reduced, the cooling capacity of the air conditioner 100 is guaranteed, and the energy consumption of the air conditioner 100 is reduced. Of course, under the premise of meeting the heat dissipation requirements of the component 71, the end of the first heat pipe 13 away from the second heat pipe 14 may not be moved to the substrate 11, and heat is dissipated by air convection.

[0042] Under the heating condition, the real-time operating temperature of the component 71 is low due to the low outdoor environment, which affects the normal operation of the component 71. When the temperature of the component 71 is lower than the second temperature threshold, the first heat pipe 13 moves to the substrate 11 adapted to the target temperature to connect to the heat source, and conducts the coldness of the refrigerant pipeline 12 to the second heat pipe 14 through the substrate 11 and the first heat pipe 13 in turn by heat conduction. The component 71 is heated by the heat exchange of the second heat pipe 14, so that the temperature of the component 71 is within the target temperature, ensuring the normal operation of the component 71.

[0043] Optionally, the first heat pipe 13 and the second heat pipe 14 are made of materials with high thermal conductivity to improve heat exchange efficiency. The second heat pipe 14 preferably adopts an integrated heat pipe in the prior art, which transfers heat through evaporation and condensation of the working fluid in a fully enclosed tube shell.

[0044] Figure 4 for Figure 1 A schematic diagram of the structural explosion of the heat exchange component is shown.

[0045] In some embodiments, Figure 3 and Figure 4As shown, a slide groove 111 is provided on the substrate 11, and a slider 131 slidably connected to the slide groove 111 is provided on the side of the first heat pipe 13 facing the substrate 11, and the axes of the slide grooves 111 of multiple substrates 11 are located on the same plane, so that the first heat pipe 13 can be moved to any substrate 11. Through the sliding connection between the slider 131 and the slide groove 111, the first heat pipe 13 is moved to different substrates 11, and the cold or heat of the substrate 11 is transferred to the first heat pipe 13 by heat conduction.

[0046] In some embodiments, Figure 4 As shown, the heat exchange assembly 1 also includes a motor 15 ( Figure 1 ) and a gear 16 connected thereto, the motor 15 is disposed on the middle partition 8, and a rack 132 meshing with the gear 16 is disposed on the first heat pipe 13, and the length direction of the rack 132 is parallel to the length direction of the first heat pipe 13. The gear 16 is driven to rotate by the motor 15, and the first heat pipe 13 can be moved to any one of the substrates 11 under the transmission action of the gear 16 and the rack 132.

[0047] In some embodiments, Figure 3 As shown, a heat exchange channel 112 is provided on the substrate 11, the heat exchange channel 112 and the chute 111 are perpendicular to each other, and the refrigerant pipeline 12 is penetrated in the heat exchange channel 112. By providing the heat exchange channel 112, the refrigerant pipeline 12 is directly penetrated in the heat exchange channel 112 and performs heat exchange with the substrate 11 by heat conduction. The heat exchange channel 112 and the chute 111 are perpendicular to each other, which can increase the contact area between the refrigerant pipeline 12 and the substrate 11 and improve the heat exchange efficiency.

[0048] Alternatively, if Figure 2 As shown, one end of the second heat pipe 14 is rotatably connected to the component 71 through the first pin 17, and the other end is rotatably connected to the first heat pipe 13 through the second pin 18. The second heat pipe 14 is also provided with an arc groove (not shown in the figure) that is slidably connected to the second pin 18. The component 71 directly contacts the second heat pipe 14 through the first pin 17, and the first heat pipe 13 directly contacts the second heat pipe 14 through the second pin 18, so that the cold or heat of the substrate 11 is directly transferred to the first heat pipe 13 through the second heat pipe 14 and the second pin 18, and the heat is transferred by evaporation and condensation of the working fluid in the first heat pipe 13, so as to dissipate heat or increase the temperature of the component 71.

[0049] Figure 5 A schematic structural diagram of a heat exchange component of an air conditioner electrical box provided in yet another embodiment of the present application.

[0050] In some embodiments, Figure 5As shown, there are multiple components 71, first heat pipes 13, and second heat pipes 14, and the multiple second heat pipes 14 correspond to the multiple components 71 one by one and are rotatably connected, and the ends of the multiple second heat pipes 14 away from the corresponding components 71 are respectively rotatably connected to the first heat pipes 13. At this time, multiple motors 15 are also correspondingly provided to control the movement of different first heat pipes 13 respectively.

[0051] Since different components 71 have different heating powers and different heat dissipation requirements, multiple second heat pipes 14 can be set to correspond to multiple components 71 one by one. The first heat pipes 13 can be moved to the substrate 11 that matches the target temperature of each component 71 according to the heating conditions of the corresponding components 71, thereby achieving heat dissipation or cooling of the components 71, further reducing the impact on the power of the air conditioner, and reducing the energy consumption of the air conditioner 100.

[0052] Figure 6 A working principle diagram of an air conditioner provided in one embodiment of the present application; Figure 7 A schematic diagram of an outer housing and internal structure of an air conditioner provided in an embodiment of the present application.

[0053] like Figure 6 and Figure 7 As shown, an embodiment of the present application provides an air conditioner 100, including a compressor 2, an indoor heat exchanger 3, a throttling element 4, an outdoor heat exchanger 5, an external housing 6 and a heat exchange component 1 of the air conditioner electrical box as described above, a middle partition 8 is arranged in the external housing 6, and the air conditioner electrical box 7 and its heat exchange component 1 are arranged on the middle partition 8.

[0054] The air intake of the compressor 2 is connected to the refrigerant outlet of the indoor heat exchanger 3 through the compressor air intake pipe 124, the air outlet of the compressor 2 is connected to the refrigerant inlet of the outdoor heat exchanger 5 through the compressor exhaust pipe 121, the refrigerant outlet of the outdoor heat exchanger 5 is connected to the inlet of the throttling element 4 through the condenser outlet pipe 122, the outlet of the throttling element 4 is connected to the refrigerant inlet of the indoor heat exchanger 3 through the throttling small tube 123, and a refrigerant circulation loop is formed between the compressor, the outdoor heat exchanger 5, the throttling element 4 and the indoor heat exchanger 3. The compressor air intake pipe 124 and the compressor exhaust pipe 121 are simultaneously provided with a flow path reversing valve, which is controllably switchably connected between the compressor 2, the outdoor heat exchanger 5 and the indoor heat exchanger 3 to realize the switching of the air conditioner 100 between the cooling condition or the heating condition. The aforementioned flow path reversing valve can specifically adopt a four-way valve to make the pipeline structure more reasonable.

[0055] By adopting the heat exchange assembly 1 as described above, under the cooling condition, the first heat pipe 13 moves to the substrate 11 that adapts to the target temperature, and the heat exchange of the second heat pipe 14 is used to dissipate the heat of the component 71, so that the temperature of the component 71 reaches the target temperature, thereby ensuring the working reliability of the component 71; under the heating condition, the first heat pipe 13 moves to the substrate 11 that adapts to the target temperature, and the heat exchange of the second heat pipe 14 is used to heat the component 71, so that the temperature of the component 71 reaches the target temperature, thereby ensuring the working reliability of the component 71; by selecting a substrate 11 with a smaller temperature difference with the current component 71, the impact on the operating power of the air conditioner 100 is reduced, thereby reducing the energy consumption of the air conditioner 100.

[0056] In some embodiments, the refrigerant pipelines 12 of the multiple substrates 11 of the heat exchange component 1 are respectively a compressor suction pipe 124 , a compressor exhaust pipe 121 , a post-throttling small pipe 123 , and a condenser outlet pipe 122 .

[0057] Under the refrigeration condition, the temperature of the condenser outlet pipe 122 is within +10°C of the outdoor temperature, the temperature of the throttled small pipe 123 is 10°C to 30°C, and the temperature of the compressor suction pipe 124 is -5°C to 15°C (under extreme weather conditions, such as when the outdoor temperature is above 60°C for refrigeration, the temperature of the compressor suction pipe 124 is above 18°C). If the air conditioner is running at a low load, considering the impact on the operating power of the air conditioner 100, a substrate 11 with a smaller temperature difference with the current component 71 should be selected at this time to ensure the cooling capacity of the air conditioner 100. Therefore, the priority of controlling the first heat pipe 13 to move to the substrate 11 is the following substrates 11 with refrigerant pipelines 12: compressor exhaust pipe 121, condenser outlet pipe 122, throttled small pipe 123, compressor suction pipe 124. At this time, the impact on the cooling capacity of the air conditioning system changes from small to large. If the air-conditioning condition is a cooling condition and is running at a high load, the priority of controlling the first heat pipe 13 to move to the substrate 11 is the following substrates 11 with refrigerant pipelines 12: compressor suction pipe 124, small tube 123 after throttling, and condenser outlet pipe 122. Under the heating condition, the temperature of the condenser outlet pipe 122 is -5°C to 10°C, the temperature of the small tube 123 after throttling is 10°C to 30°C, the temperature of the compressor suction pipe 124 is -15°C to -5°C, and the temperature of the compressor exhaust pipe 121 is 40°C to 100°C. The first heat pipe 13 is controlled to move to the substrate 11 with the compressor exhaust pipe 121. At this time, the compressor suction pipe 124, the condenser outlet pipe 122, and the small tube 123 after throttling cannot meet the temperature increase requirements of the components 71.

[0058] In some embodiments, Figure 7As shown, the middle partition 8 separates the outer housing 6 into a first chamber 61 and a second chamber 62. The first chamber 61 is provided with a fan 9 and an outdoor heat exchanger 5, and the second chamber 62 is provided with a compressor 2. The middle partition 8 is provided with a plurality of heat dissipation holes 81 connecting the first chamber 61 and the second chamber 62.

[0059] Under cooling conditions, on the premise of meeting the heat dissipation requirements of the components 71, the end of the first heat pipe 13 away from the second heat pipe 14 may not be moved to the substrate 11, and a fan may be used to realize forced convection of air to dissipate heat for the control components 71 by air convection.

[0060] Figure 8 This is a flow chart of a temperature control method of an air-conditioning electrical box 7 provided in an embodiment of the present application.

[0061] like Figure 8 As shown, the embodiment of the present application provides a temperature control method of an air conditioner electrical box 7, which is applied to the air conditioner 100 as described above. The temperature control method includes the following steps:

[0062] S1. Obtaining the air conditioning operating conditions and the temperature of the component 71.

[0063] S2. If the air-conditioning working condition is a cooling working condition and the temperature of the component 71 is greater than a first temperature threshold, the first heat pipe 13 is controlled to move to the substrate 11 adapted to the first temperature threshold.

[0064] S3. If the air-conditioning working condition is the heating working condition and the temperature of the component 71 is lower than the second temperature threshold, the first heat pipe 13 is controlled to move to the substrate 11 adapted to the second temperature threshold.

[0065] In cooling conditions, the first heat pipe 13 moves to the substrate 11 adapted to the first temperature threshold, and the heat exchange of the second heat pipe 14 is used to dissipate the heat of the component 71, so that the temperature of the component 71 reaches the target temperature, thereby ensuring the working reliability of the component 71; in heating conditions, the first heat pipe 13 moves to the substrate 11 adapted to the second temperature threshold, and the heat exchange of the second heat pipe 14 is used to heat the component 71, so that the temperature of the component 71 reaches the target temperature, thereby ensuring the working reliability of the component 71. By adopting the above control strategy, while ensuring the reliable operation of the component 71, the impact on the power of the air conditioner 100 is reduced, the cooling capacity of the air conditioner 100 is guaranteed, and the energy consumption of the air conditioner 100 is reduced, saving energy.

[0066] In some embodiments, the refrigerant pipelines 12 of the plurality of substrates 11 are respectively a compressor suction pipe 124, a compressor exhaust pipe 121, a throttled small pipe 123 and a condenser outlet pipe 122, and the temperature control method further comprises:

[0067] If the air conditioning operating condition is cooling condition and low load operation, the priority of controlling the first heat pipe 13 to move to the substrate 11 is as follows: the compressor exhaust pipe 121, the condenser outlet pipe 122, the small tube after throttling 123, and the compressor suction pipe 124.

[0068] Specifically, under the refrigeration condition, the temperature of the condenser outlet pipe 122 is within +10°C of the outdoor temperature, the temperature of the throttled small pipe 123 is 10°C to 30°C, and the temperature of the compressor suction pipe 124 is -5°C to 15°C (under extreme weather conditions, such as when the outdoor temperature is above 60°C for refrigeration, the temperature of the compressor suction pipe 124 is above 18°C). If the air conditioner is running at a low load, considering the impact on the operating power of the air conditioner, a substrate 11 with a smaller temperature difference with the current component 71 should be selected at this time to ensure the cooling capacity of the air conditioner. Therefore, the priority of controlling the first heat pipe 13 to move to the substrate 11 is the following substrates 11 with refrigerant pipelines 12: compressor exhaust pipe 121, condenser outlet pipe 122, throttled small pipe 123, compressor suction pipe 124. At this time, the impact on the cooling capacity of the air conditioning system changes from small to large. It should be explained that when the cooling capacity of the compressor 2 is low, its exhaust temperature may be below 45°C. Therefore, the first substrate 11 can also be moved to the substrate 11 with the compressor exhaust pipe 121 according to actual conditions; at the same time, considering the vibration influence of the suction side of the compressor 2, the first heat pipe 13 is preferentially moved to the substrate 11 with the throttling small tube 123 for heat dissipation; after a period of time, if the component 71 fails to drop to the target temperature, the first heat pipe 13 is controlled to move to the substrate 11 of the next priority for heat dissipation.

[0069] If the air conditioning condition is cooling condition and high load operation, the priority of controlling the first heat pipe 13 to move to the base plate 11 is as follows: the compressor suction pipe 124, the post-throttling small tube 123, and the condenser outlet pipe 122.

[0070] Specifically, since the exhaust temperature of the compressor 2 is higher than 45°C when the cooling capacity is high, the substrate 11 with the compressor exhaust pipe 121 cannot meet the heat dissipation requirements of the component 71. At this time, the impact on the cooling capacity of the air-conditioning system changes from large to small, and the first heat pipe 13 is preferentially moved to the substrate 11 with a larger temperature difference with the component 71, so that the component 71 can be cooled to the target temperature more quickly.

[0071] If the air-conditioning working condition is the heating working condition, the first heat pipe 13 is controlled to move to the base plate 11 having the compressor exhaust pipe 121 .

[0072] Specifically, under heating conditions, the temperature of the condenser outlet pipe 122 is -5℃~10℃, the temperature of the small tube 123 after throttling is 10℃~30℃, the temperature of the compressor suction pipe 124 is -15℃~-5℃, and the temperature of the compressor exhaust pipe 121 is 40℃~100℃. At this time, the compressor suction pipe 124, the condenser outlet pipe 122 and the small tube 123 after throttling cannot meet the heating requirements of the component 71, so the first heat pipe 13 is controlled to move to the substrate 11 with the compressor exhaust pipe 121.

[0073] By adopting the above control strategy, the heat dissipation or temperature rise required by the component 71 can be accurately controlled to ensure that the component 71 works normally within the target temperature range, while the cooling capacity of the air-conditioning system is reasonably utilized to achieve energy-saving effects.

[0074] It should be understood that the terms used herein are only for the purpose of describing specific example embodiments and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "include", "comprise", "contain", and "have" are inclusive, and therefore specify the existence of stated features, steps, operations, elements and / or parts, but do not exclude the existence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not interpreted as necessarily requiring them to be performed in the specific order described or illustrated, unless the execution order is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0075] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.

[0076] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A heat exchange component of an air conditioner electrical box, characterized in that: The air conditioner electrical box (7) is arranged on the middle partition (8), components (71) are arranged in the air conditioner electrical box (7), and the heat exchange assembly (1) comprises: A plurality of substrates (11) are arranged side by side on the middle partition (8) and are located on the same side as the components (71); each substrate (11) is provided with a refrigerant pipeline (12), and the temperatures of the plurality of substrates (11) are different; A first heat pipe (13) and a second heat pipe (14) connected to each other, wherein the first heat pipe (13) can be moved to any one of the substrates (11), and an end of the second heat pipe (14) away from the first heat pipe (13) is rotatably connected to the component (71); and A temperature detection module, used for detecting the temperature of the component (71); When the temperature of the component (71) does not reach the target temperature, the first heat pipe (13) moves to the substrate (11) adapted to the target temperature, so that the temperature of the component (71) reaches the target temperature after heat exchange through the second heat pipe (14), and the target temperature is less than a first temperature threshold or greater than a second temperature threshold.

2. The heat exchange assembly according to claim 1, characterized in that: A slide groove (111) is provided on the substrate (11), and a slider (131) slidably connected to the slide groove (111) is provided on the side of the first heat pipe (13) facing the substrate (11), so that the first heat pipe (13) can be moved to any one of the substrates (11).

3. The heat exchange assembly according to claim 2, characterized in that: It also comprises a motor (15) and a gear (16) connected thereto in transmission, the motor (15) being arranged on the middle partition (8), and the first heat pipe (13) being provided with a rack (132) meshingly connected to the gear (16).

4. The heat exchange assembly according to claim 2, characterized in that: A heat exchange channel (112) is provided on the base plate (11), the heat exchange channel (112) and the slide groove (111) are perpendicular to each other, and the refrigerant pipeline (12) is arranged to penetrate the heat exchange channel (112).

5. The heat exchange assembly according to claim 1, characterized in that: One end of the second heat pipe (14) is rotatably connected to the component (71) via a first pin shaft (17), and the other end is rotatably connected to the first heat pipe (13) via a second pin shaft (18).

6. The heat exchange assembly according to claim 1, characterized in that: The component (71), the first heat pipe (13) and the second heat pipe (14) are each provided in plurality, the plurality of second heat pipes (14) and the plurality of components (71) correspond one to one and are rotatably connected, and one end of the plurality of second heat pipes (14) away from the corresponding component (71) is rotatably connected to the first heat pipe (13) respectively.

7. An air conditioner, characterized in that: The invention comprises a compressor (2), an indoor heat exchanger (3), a throttling element (4), an outdoor heat exchanger (5), an external machine casing (6), and a heat exchange component (1) of an air conditioner electrical box according to any one of claims 1 to 6, wherein a middle partition (8) is arranged in the external machine casing (6), and the air conditioner electrical box (7) and the heat exchange component (1) are arranged on the middle partition (8); the air intake port of the compressor (2) is connected to the refrigerant outlet of the indoor heat exchanger (3) through a compressor air intake pipe (124), The exhaust port of the compressor (2) is connected to the refrigerant inlet of the outdoor heat exchanger (5) through the compressor exhaust pipe (121), the refrigerant outlet of the outdoor heat exchanger (5) is connected to the inlet of the throttling element (4) through the condenser outlet pipe (122), the outlet of the throttling element (4) is connected to the refrigerant inlet of the indoor heat exchanger (3) through the small tube (123) after throttling, and flow path reversing valves are provided on the compressor suction pipe (124) and the compressor exhaust pipe (121).

8. The air conditioner according to claim 7, characterized in that: The refrigerant pipelines (12) of the multiple substrates (11) of the heat exchange component (1) are respectively the compressor intake pipe (124), the compressor exhaust pipe (121), the post-throttling small pipe (123) and the condenser outlet pipe.

9. The air conditioner according to claim 7, characterized in that: The middle partition (8) divides the outer casing (6) into a first chamber (61) and a second chamber (62); the first chamber (61) is provided with a fan (9) and the outdoor heat exchanger (5); the second chamber (62) is provided with the compressor (2); and the middle partition (8) is provided with a plurality of heat dissipation holes (81) connecting the first chamber (61) and the second chamber (62).

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