Disclosure of Invention
In view of the above, the present utility model provides an evaporator capable of improving the heat dissipation efficiency inside an air conditioner.
The embodiment of the utility model provides an evaporator applied to an air conditioner, the air conditioner is provided with an electric control box, and the evaporator comprises a plurality of fins, refrigerant pipes and baffles. The fins are arranged in a row, and the refrigerant pipes penetrate through the fins and are used for conveying refrigerant media. The baffle is connected with at least one fin in the plurality of fins, and the baffle stretches out to the outside of the plurality of fins along the arrangement direction of the plurality of fins at least partially, and the baffle is configured to face the air outlet of the electric control box.
In the evaporator, the baffle is configured to face the air outlet of the electric control box, the air flow discharged from the air outlet of the electric control box has higher temperature, and the part of air flow can conduct heat with the baffle after being discharged from the air outlet. When the air conditioner refrigerates, the temperature of the refrigerant medium flowing in the refrigerant pipe is lower, and the refrigerant pipe can conduct heat with the baffle through the fins, so that the temperature of the baffle is reduced, namely, the temperature of the baffle is lower than the temperature of air flow discharged from the air outlet of the electric control box, the temperature of the air flow blown to the baffle is reduced, the effect of cooling the air conditioner is achieved, and the heat dissipation efficiency of the inside of the air conditioner is improved.
In at least one embodiment, the fins include heat exchange plates, first supporting plates and second supporting plates, the heat exchange plates, the first supporting plates and the second supporting plates are arranged in an arrangement mode, the heat exchange plates are located between the first supporting plates and the second supporting plates, the refrigerant pipes penetrate through the first supporting plates, the second supporting plates and the heat exchange plates, and the baffle is connected to the first supporting plates and located on one side, away from the heat exchange plates, of the first supporting plates.
In the above embodiment, the first supporting piece and the second supporting piece can support the refrigerant pipe, so that the pressure of the refrigerant pipe to the heat exchange piece is dispersed, the heat exchange piece is not easy to damage, and the stability of the refrigerant pipe in conveying the refrigerant medium is improved. The baffle is connected to one side of the first supporting plate, which is away from the heat exchange plate, so that the heat exchange plate is not easy to block the air flow blown out from the air outlet, and the air flow is convenient to contact with the baffle.
In at least one embodiment, the refrigerant pipe comprises a first part, a second part and a third part which are sequentially connected, the second part penetrates through the heat exchange plate, the first support plate and the second support plate, the first part is positioned on one side of the first support plate, which is away from the heat exchange plate, and is positioned between the baffle plate and the air outlet of the electric control box, and the third part is positioned on one side of the second support plate, which is away from the heat exchange plate.
In the above embodiment, in the process that the air flow blown out from the air outlet of the electric control box flows to the baffle, the air flow can contact with the first portion of the refrigerant pipe, and the temperature of the first portion is lower than the temperature of the air flow blown out from the air outlet, so that the temperature of the air flow contacting with the first portion is reduced. The air flow continuously flows to the baffle through the first part, and further cooling is realized after the air flow contacts with the baffle.
In at least one embodiment, the length of the first portion is aligned with the width of the baffle, the width of the baffle being greater than the length of the first portion.
In the above embodiment, the width of the baffle is greater than the length of the first portion, so that on one hand, shielding of the first portion on the baffle in the process of flowing in the direction of the baffle can be reduced, part of the airflow can be directly contacted with the baffle, and the flowing speed of the airflow and the heat dissipation efficiency of the air conditioner are improved; on the other hand, the contact area between the air flow and the baffle plate can be increased, so that the heat dissipation efficiency of the air conditioner is improved.
In at least one embodiment, the baffle comprises a body and a surrounding edge, the body is connected with the fins, the surrounding edge is arranged on the body and is opposite to the fins, the body, the surrounding edge and one of the fins are surrounded to form a diversion trench with a first opening, and the first opening is positioned on one side of the diversion trench towards an air outlet of the electric control box.
In the above embodiment, the airflow discharged from the air outlet of the electric control box can flow to the first opening and enter the diversion trench, and the body, the surrounding edge and one of the fins can limit the airflow to flow out of the diversion trench, so that the contact time of the airflow and the baffle is prolonged, the cooling effect of the baffle on the airflow is improved, and the cooling efficiency of the air conditioner is improved.
In at least one embodiment, a portion of the refrigerant tube is located between the body and the air outlet of the electronic control box.
In the above embodiment, in the process that the air flow blown out from the air outlet flows to the body, the air flow can be contacted with a part of refrigerant pipes, the part of refrigerant pipes can cool the air flow, then the air flow continues to flow to the body, and the body cools the air flow again. Through the dual cooling of body and refrigerant pipe, improve the radiating effect inside the air conditioner.
In at least one embodiment, the flow guide groove extends in the vertical direction, and the flow guide groove is further provided with a second opening, and the second opening is positioned at the top of the flow guide groove.
In the above embodiment, the air flow can flow along the diversion trench in the vertical direction, so that the contact time of the air flow and the baffle is increased in the flowing process, the contact sufficiency of the air flow and the baffle is improved, and the cooling effect of the baffle on the air flow is improved.
The embodiment of the utility model also provides an air conditioner, which can improve the heat dissipation efficiency inside the air conditioner.
The embodiment of the utility model provides an air conditioner, which comprises a shell, an electric control box and an evaporator in any embodiment, wherein the electric control box and the evaporator are arranged in the shell, and the electric control box is provided with an air outlet which faces to a baffle plate.
In the above embodiment, the air flow inside the electric control box can be discharged from the air outlet, and part of heat inside the electric control box can be taken away in the air flow discharging process, so that the cooling inside the electric control box is realized. The air flow exhausted from the air outlet can flow to the baffle plate, and the baffle plate conducts heat with the air flow, so that the temperature of the air flow is reduced, and the heat dissipation efficiency of the air conditioner is improved.
In at least one embodiment, the electronic control box comprises a box body and a fan, wherein an accommodating space is formed in the box body, the fan is arranged on the outer surface of the box body, the fan is provided with an air outlet, the air outlet is communicated with the accommodating space, and the fan is configured to discharge air in the accommodating space from the air outlet and blow the air to the baffle plate.
In the above embodiment, the air flow in the accommodating space can be exhausted from the air outlet, and the fan can increase the speed of the air flow exhausted from the air outlet to the baffle plate, so as to increase the speed of the air flow flowing in the air conditioner, thereby increasing the heat dissipation efficiency of the electronic control box.
In at least one embodiment, the fan is located at the bottom of the case, and the fan is configured to blow the air flow of the accommodating space toward the bottom of the baffle, and the height direction of the baffle coincides with the height direction of the air conditioner.
In the above embodiment, by using the hot air floating principle, the air flow with higher temperature can flow from the bottom of the baffle to the top of the baffle, and the air flow can be cooled down in the flowing process of the air flow along the baffle, so that the heat dissipation efficiency of the air conditioner is improved.
Detailed Description
The following description of the technical solutions according to the embodiments of the present utility model will be given with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
In the description of embodiments of the present utility model, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more unless explicitly defined otherwise.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
It should be noted that, the dimensions of thickness, length, width, etc. of the various components and the dimensions of the overall thickness, length, width, etc. of the integrated device in the embodiments of the present utility model shown in the drawings are only illustrative, and should not be construed as limiting the present utility model.
The electric control box is a control center of the air conditioning unit, and the reliability problem directly affects the normal use of the air conditioner. The electric control box is easy to generate heat in the working process, so that the internal temperature of the air conditioner is higher. At present, the electric control box mainly adopts an internal circulation mode to dissipate heat, and the heat dissipates heat through contact with an air conditioner shell. However, this method has low heat dissipation efficiency, and cannot reduce the temperature inside the air conditioner in time.
In view of the above, an embodiment of the present utility model provides an evaporator for an air conditioner, the air conditioner having an electric control box, the evaporator including a plurality of fins, refrigerant tubes and a baffle. The fins are arranged in a row, and the refrigerant pipes penetrate through the fins and are used for conveying refrigerant media. The baffle is connected with at least one fin in the plurality of fins, and the baffle stretches out to the outside of fin along the range direction of a plurality of fins at least partially, and the baffle is configured to towards the air exit of automatically controlled box.
In the evaporator, the baffle is configured to face the air outlet of the electric control box, the air flow discharged from the air outlet of the electric control box has higher temperature, and part of the air flow can be blown to the baffle after being discharged from the air outlet. When the air conditioner refrigerates, the temperature of the refrigerant medium flowing in the refrigerant pipe is lower, and the refrigerant pipe can conduct heat with the baffle through the fins, so that the temperature of the baffle is reduced, namely, the temperature of the baffle is lower than the temperature of air flow discharged from the air outlet of the electric control box, the temperature of the air flow blown to the baffle is reduced, the effect of cooling the air conditioner is achieved, and the heat dissipation efficiency of the inside of the air conditioner is improved.
Embodiments of the present utility model will be further described below with reference to the accompanying drawings.
Referring to fig. 1 to 3, an embodiment of the utility model provides an evaporator 100 and an air conditioner 200, wherein the air conditioner 200 includes a housing 21, an electric control box 22 and the evaporator 100, the electric control box 22 and the evaporator 100 are disposed inside the housing 21, the electric control box 22 has an air outlet 2221, and an air flow discharged from the air outlet 2221 can flow to the evaporator 100. The temperature of the evaporator 100 is lower than the temperature of the air flow discharged from the electronic control box 22, and after the air flow discharged from the air outlet 2221 flows to the evaporator 100, the evaporator 100 conducts heat with the air flow, so that the temperature of the air flow is reduced, thereby improving the heat dissipation efficiency inside the air conditioner 200.
Referring to fig. 2 to 4, in one embodiment, the evaporator 100 includes a plurality of fins 11 and refrigerant tubes 12. The fins 11 are arranged in a row, and the refrigerant pipes 12 penetrate through the fins 11 and are used for conveying refrigerant media. The baffle 13 is connected with at least one fin 11 of the plurality of fins 11, the baffle 13 extends to the outer side of the plurality of fins 11 at least partially along the arrangement direction of the plurality of fins 11, and the baffle 13 is configured to face the air outlet 2221 of the electronic control box 22, that is, the baffle 13 is disposed opposite to the air outlet 2221, so that the baffle 13 can conduct heat with the air flow exhausted from the air outlet 2221. Wherein the baffle 13 extends at least partially to the outer side of the fins 11, which means that the baffle 13 extends at least partially to the outer side of the fin group formed by the fins 11, that is, the baffle 13 extends at least partially to the side of the fin 11 located at the outermost side facing away from the other fin 11.
The temperature of the air flow discharged from the air outlet 2221 of the electronic control box 22 is high, and the air flow can be blown to the baffle 13 after being discharged from the air outlet 2221. The fins 11 can increase the heated area and improve the heat transfer efficiency of the evaporator 100. When the air conditioner 200 is refrigerating, the temperature of the refrigerant medium flowing in the refrigerant pipe 12 is low, the refrigerant pipe 12 can conduct heat with the baffle 13 through the fins 11, so that the temperature of the baffle 13 is reduced, that is, the temperature of the baffle 13 is lower than the temperature of the air flow discharged from the air outlet 2221, thereby reducing the temperature of the air flow blown to the baffle 13, achieving the effect of heat dissipation and temperature reduction of the air conditioner 200, and improving the heat dissipation efficiency inside the air conditioner 200.
Referring to fig. 2 to 4, the heat exchanger plate 111 in fig. 4 is a simplified diagram, and does not represent the actual shape of the heat exchanger plate 111. In an embodiment, the fins 11 include heat exchange plates 111, a first supporting plate 112 and a second supporting plate 113, the heat exchange plates 111, the first supporting plate 112 and the second supporting plate 113 are arranged in an array, and the heat exchange plates 111 are located between the first supporting plate 112 and the second supporting plate 113. The refrigerant pipe 12 penetrates through the first supporting plate 112, the second supporting plate 113 and the heat exchange plate 111, and the baffle 13 is connected to the first supporting plate 112 and is located at one side of the first supporting plate 112 away from the heat exchange plate 111.
The first support sheet 112 and the second support sheet 113 can support the refrigerant pipe 12, so that the pressure of the refrigerant pipe 12 to the heat exchange sheet 111 is dispersed, the heat exchange sheet 111 is not easy to damage, and the stability of the refrigerant pipe 12 in conveying the refrigerant medium is improved. The baffle 13 is connected to a side of the first supporting plate 112 facing away from the heat exchanging plate 111, so that the heat exchanging plate 111 is not easy to block the air flow blown to the baffle 13 by the air outlet 2221, and the air flow is convenient to contact with the baffle 13.
In one embodiment, the first supporting piece 112 and the second supporting piece 113 are aluminum sheets. In other embodiments, the first supporting piece 112 and the second supporting piece 113 may be made of stainless steel, aluminum alloy, or other materials with heat conduction function.
In one embodiment, a plurality of heat exchanger plates 111 are provided, and the plurality of heat exchanger plates 111 are spaced apart. The air flow can enter into the gaps between the heat exchange fins 111 so that the plurality of heat exchange fins 111 can be in contact with the air flow to increase the heat exchange area.
In one embodiment, heat exchanger plate 111 is an aluminum foil. The aluminum material has the characteristics of small density, good heat conductivity, easy processing, no smell, environmental protection, low price and the like, and not only can improve the heat exchange efficiency of the hot air flow in the air conditioner 200 and the evaporator 100, but also can save the production cost of the evaporator 100.
In other embodiments, the heat exchange plates 111 may be made of aluminum alloy, stainless steel, or the like.
Referring to fig. 2 to 5, in an embodiment, the refrigerant tube 12 includes a first portion 121, a second portion 122 and a third portion 123 connected in sequence, the second portion 122 is disposed through the heat exchange plate 111, the first support plate 112 and the second support plate 113, the first portion 121 is located at a side of the first support plate 112 facing away from the heat exchange plate 111 and between the baffle 13 and the air outlet 2221 of the electronic control box 22, and the third portion 123 is located at a side of the second support plate 113 facing away from the heat exchange plate 111.
During the process that the air flow blown out from the air outlet 2221 of the electric control box 22 flows to the baffle 13, the air flow can be contacted with the first part 121 of the refrigerant pipe 12, and the temperature of the first part 121 is lower than the temperature of the air flow blown out from the air outlet 2221, so that the temperature of the air flow contacted with the first part 121 is reduced. The air flow continues to flow through the first portion 121 towards the baffle 13 and after contact with the baffle 13, a further cooling is achieved.
Referring to fig. 4 and 5, in an embodiment, the refrigerant tube 12 is formed by bending a single refrigerant tube at least twice, and the refrigerant tube 12 forms curved portions at two ends along the length direction X of the evaporator 100, wherein the curved portion at one end of the refrigerant tube 13 is a first portion 121, and the curved portion at the other end is a third portion 123. The refrigerant medium in the refrigerant pipe 13 conducts heat with the heat exchange plates 111 through the refrigerant pipe 13, and conducts heat with the air in the air conditioner 200 through the heat exchange plates 111, so that heat dissipation in the air conditioner 200 is realized.
In other embodiments, the refrigerant tube 12 may be formed by splicing straight tubes and U-shaped tubes, and each U-shaped tube connects two straight tubes. For example, the second portion 122 is a straight tube, and the first portion 121 and the third portion 123 are both U-shaped tubes.
In one embodiment, the refrigerant tube 13 is a copper tube. The copper pipe has good corrosion resistance, is not easy to be corroded by chemical substances, and can stably run in the air conditioner 200 for a long time. The copper pipe also has good heat conduction performance. Copper is a good heat conducting material that facilitates the copper tubing to transfer the temperature of the refrigerant medium into the air conditioner 200. The copper pipe is very convenient to process and install. The copper pipe may be cut and bent as needed, and may be conveniently installed in the air conditioner 200.
In an embodiment, the first supporting plate 112, the second supporting plate 113 and the heat exchanging plate 111 are made of the same material, for example, the first supporting plate 112, the second supporting plate 113 and the heat exchanging plate 111 are all made of aluminum sheets, which is beneficial to improving the heat conduction effect of the first supporting plate 112 and the second supporting plate 113 and reducing the temperature of the internal environment of the air conditioner 200. The thickness of the first support plate 112 and the thickness of the second support plate 113 are respectively greater than the thickness of the heat exchange plate 111, so that the first support plate 112 and the second support plate 113 can stably support the refrigerant pipe 12.
In an embodiment, the baffle 13 and the first supporting plate 112 are integrally formed, and are made of metal, so that the first supporting plate 112 and the baffle 13 conduct heat.
Referring to fig. 2, 4 and 5, in an embodiment, the first supporting plate 112, the second supporting plate 113 and the heat exchanging plate 111 are all vertically disposed, the height of the first supporting plate 112 is greater than the height of the heat exchanging plate 111, and the height of the second supporting plate 113 is greater than the height of the heat exchanging plate 111, where the height direction is consistent with the height direction Z of the air conditioner 200 in the use state. When the evaporator 100 is in operation, the bottom of the casing 21 of the air conditioner 200 is supported by the bottoms of the first supporting plate 112 and the second supporting plate 113, so that the gravity of the refrigerant pipe 12 and the heat exchange plate 111 is applied to the first supporting plate 112 and the second supporting plate 113, and the pressure applied by the heat exchange plate 111 to the bottom of the casing 21 is reduced, so that the heat exchange plate 111 is not easy to damage.
Referring to fig. 2 to 4, in an embodiment, the baffle 13 is located at a side of the refrigerant tube 12 away from the air outlet 2221, and the air flow in the electronic control box 22 can be blown to the refrigerant tube 12 through the air outlet 2221. In the process of blowing the air flow discharged from the air outlet 2221 to the baffle 13, the air flow can pass through the refrigerant pipe 12, the temperature of the refrigerant pipe 12 is lower than the temperature of the air flow discharged from the air outlet 2221, and the refrigerant pipe 12 can cool the air flow, so that the temperature of the internal environment of the air conditioner 200 is conveniently reduced.
Referring to fig. 2 and 3, in an embodiment, the electronic control box 22 includes a box body 221, a fan 222, and an electronic control module, where an accommodating space is formed in the box body 221, and the electronic control module is disposed in the accommodating space and is used for converting input electric energy and outputting the converted electric energy to an electric device in the air conditioner 200. The fan 222 is disposed on the outer surface of the box 221, the fan 222 has an air outlet 2221, and the air outlet 2221 of the fan 222 is the air outlet 2221 of the electronic control box 22. The air outlet 2221 communicates with the accommodating space, and the fan 222 is configured to discharge air in the accommodating space from the air outlet 2221 and blow toward the barrier 13.
The air flow in the accommodating space can be discharged from the air outlet 2221, and the fan 222 can increase the speed of the air flow discharged from the air outlet 2221 to the baffle 13, and increase the speed of the air flow flowing in the air conditioner 200, thereby increasing the heat dissipation efficiency of the electronic control box 22.
In an embodiment, the fan 222 is located at the bottom of the box 221, and the fan 222 is configured to blow the air flow in the accommodating space toward the bottom of the baffle 13, where the height direction of the baffle 13 is consistent with the height direction of the air conditioner, and is the Z direction shown in fig. 2 and 4. According to the hot air floating principle, air flow with higher temperature can flow from the bottom of the baffle 13 to the top of the baffle 13, and the air flow contacts with the baffle 13 in the flowing process, so that the temperature of the air conditioner 200 is reduced.
Referring to fig. 2 to 4, in an embodiment, the width of the baffle 13 is greater than the length of the first portion 121, and the length direction X of the first portion 121 coincides with the width direction of the baffle 13. On the one hand, in the process of enabling the airflow to flow towards the baffle 13, shielding of the first part 121 on the baffle 13 can be reduced, so that part of the airflow can be directly contacted with the baffle 13, and the flow speed of the airflow and the heat dissipation efficiency of the air conditioner 200 are improved; on the other hand, the contact area between the air flow and the baffle 13 can be increased to improve the heat dissipation efficiency of the air conditioner 200.
Referring to fig. 2 to 5, in an embodiment, the baffle 13 includes a body 131 and a surrounding edge 132, the body 131 is connected with the fins 11, the surrounding edge 132 is disposed on the body 131 and opposite to the fins 11, the body 131, the surrounding edge 132 and one of the fins 11 enclose to form a diversion trench 134 with a first opening 133, and the first opening 133 is located at a side of the diversion trench 134 facing the air outlet 2221.
The air flow discharged from the air outlet 2221 can flow to the first opening 133 and enter the diversion trench 134, and the body 131, the surrounding edge 132 and one of the fins 11 can limit the air flow to flow out of the diversion trench 134, so as to improve the contact time between the air flow and the baffle 13, thereby improving the cooling effect of the baffle 13 on the air flow and improving the heat dissipation efficiency of the air conditioner 200.
Referring to fig. 2 to 5, in an embodiment, the body 131 is connected to the first supporting piece 112, and the body 131, the surrounding edge 132 and the first supporting piece 112 enclose to form a diversion trench 134 with a first opening 133. The first supporting piece 112 can conduct heat with the body 131, so that the temperature of the body 131 is reduced, and the body 131 is beneficial to cooling the air flow in the diversion trench 134.
In one embodiment, a portion of the refrigerant tube 12 is located between the main body 131 and the exhaust port 2221. In one embodiment, the first portion 121 is located between the body 131 and the exhaust port 2221.
In the process that the air flow blown out by the air outlet 2221 flows to the body 131, the air flow can contact with the first part 121 of the refrigerant pipe 12, the first part 121 can cool the air flow, then the air flow continues to flow to the body 131, and the body 131 cools the air flow again. Through the dual cooling of the body 131 and the refrigerant pipe 12, the heat dissipation effect inside the air conditioner 200 is improved.
In an embodiment, the diversion trench 134 extends along the vertical direction, the diversion trench 134 further has a second opening 135, and the second opening 135 is located at the top of the diversion trench 134. The vertical direction refers to the direction of gravity and also includes the direction with an included angle between 90 DEG + -20 DEG with the direction of gravity.
The air flow can flow along the diversion trench 134 in the vertical direction, so that the contact time of the air flow and the baffle 13 is increased in the flowing process, the contact sufficiency of the air flow and the baffle 13 is improved, and the cooling effect of the baffle 13 on the air flow is improved.
Referring to fig. 2, in an embodiment, the air conditioner 200 further includes a cold air blower 23, a hot air blower 24, a condenser (not shown) and a compressor (not shown), where the cold air blower 23, the hot air blower 24, the condenser and the compressor are all disposed in the casing 21. The electric control box 22 can control the operation of the cold air blower 23, the hot air blower 24 and the compressor, and the cold air blower 23, the hot air blower 24, the condenser, the compressor and the evaporator 100 can be mutually matched for refrigerating or heating the air conditioner 200.
During operation of the air conditioner 200, the electronic control box 22 is prone to generate heat, resulting in a higher air flow temperature inside the electronic control box 22. The evaporator 100 is used for refrigeration, and the temperature of the heat exchange fins 111 and the refrigerant pipe 12 is lower than the temperature inside the electric control box 22. The fan 222 blows the air flow discharged from the electronic control box 22 toward the guide groove 134, and the air flow flows along the bottom of the baffle 13 toward the second opening 135. The air flow contacts the baffle 13 in the flowing process of the diversion trench 134, and conducts heat with the baffle 13, so that the temperature of the air flow is reduced, and the heat dissipation efficiency of the air conditioner 200 is improved.
In addition, other variations within the scope of the present utility model will be apparent to those skilled in the art, and such variations are intended to be included within the scope of the present disclosure.