CN210429789U - Heat dissipation device and air conditioner - Google Patents
Heat dissipation device and air conditioner Download PDFInfo
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- CN210429789U CN210429789U CN201920980135.7U CN201920980135U CN210429789U CN 210429789 U CN210429789 U CN 210429789U CN 201920980135 U CN201920980135 U CN 201920980135U CN 210429789 U CN210429789 U CN 210429789U
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Abstract
The application relates to a heat dissipation device and an air conditioner; the heat dissipation device is applied to an electronic module to be dissipated of an air conditioner and comprises a heat dissipation channel and heat dissipation fins; one end of the heat dissipation channel is communicated with the temperature adjusting environment, and the other end of the heat dissipation channel is communicated with an inner heat exchange cavity of the air conditioner; one end of the radiating fin is embedded into the radiating channel, and the other end of the radiating fin is connected with the electronic module to be radiated. The heat of the radiating fins embedded in the radiating channel can be dissipated through the airflow in the radiating channel, and the heat of the electronic module to be dissipated can be directly and efficiently dissipated through the radiating fins and the radiating channel, so that the radiating efficiency and effect are improved, and the conditions of abnormal unit operation and the like caused by untimely heat dissipation or poor effect are avoided; when the air conditioner is in a heat dissipation mode, the heat generated by the electronic module to be dissipated can enter a temperature adjusting environment through the heat dissipation fins and the heat dissipation channel, the heat of the electronic module to be dissipated is recovered, the utilization rate of energy is improved, and the heating amount and effect are enhanced.
Description
Technical Field
The application relates to the technical field of household appliances, in particular to a heat dissipation device and an air conditioner.
Background
The popularity of air conditioners has further increased in recent years, and various scenes in life, production and work of people have the sound of air conditioners basically. Based on the consideration of energy consumption, the variable frequency air conditioner is more and more popular. The power switch element of the intelligent power module in the variable frequency air conditioner is a core component of the variable frequency air conditioner, so that the heating value is large in the operation process, and particularly, the temperature is high frequently under the high-temperature working condition, so that the unit operation is abnormal or obstructed. The reason for this is that the whole intelligent power module is heated up during the operation of the power switch element, and the heat dissipation effect of the power switch element is poor, so that the heat generated by the power switch element cannot be dissipated effectively in time. Operation at high temperatures for extended periods of time can also affect the service life of the power switching elements. Especially, a vehicle-mounted overhead air conditioner is often exposed to the sun, the temperature of a control cabin is often too high, and the heat generated by the power switch element causes the abnormality or the obstacle of the whole unit. At present, an Insulated Gate Bipolar Transistor (IGBT) is often selected as a power switch element, and an electric cabinet is communicated with a heat exchanger in some existing heat dissipation technologies, but the actual heat dissipation effect is not ideal due to the fact that the heat dissipation path is too complicated and indirect and the heat dissipation efficiency is too low.
Therefore, it is desirable to provide a heat dissipating device and an air conditioner to solve the disadvantages of the prior art.
Disclosure of Invention
In order to solve the problems in the prior art, the application provides a heat dissipation device and an air conditioner.
A heat dissipating double-fuselage, apply to waiting to dispel the heat electronic module of the air conditioner, the said heat dissipating double-fuselage includes heat-dissipating channel and heat-dissipating fin; one end of the heat dissipation channel is communicated with the temperature adjusting environment, and the other end of the heat dissipation channel is communicated with an inner heat exchange cavity of the air conditioner; one end of the radiating fin is embedded into the radiating channel, and the other end of the radiating fin is connected with the electronic module to be radiated.
Furthermore, the heat exchanger also comprises a heat dissipation branch channel, wherein one end of the heat dissipation branch channel is communicated with the inner heat exchange cavity, and the other end of the heat dissipation branch channel is communicated with the heat dissipation channel;
the radiating fins are embedded in the radiating channel between the radiating branch channel and the inner heat exchange cavity.
Furthermore, the device also comprises a first opening and closing part used for controlling the communication or non-communication between the heat dissipation pipeline and the inner heat exchange cavity, a second opening and closing part used for controlling the communication or non-communication between the heat dissipation loop and the inner heat exchange cavity, and a third opening and closing part used for controlling the communication or non-communication between the heat dissipation pipeline and the temperature adjusting environment.
Furthermore, the heat exchanger also comprises an airflow driving piece which is arranged in the inner heat exchange cavity and corresponds to the first opening and closing piece.
Further, when the first shutter is closed, the second shutter is closed, the third shutter is opened, and the airflow driving member is closed, the heat dissipation device is in a first heat dissipation mode;
when the first opening and closing piece is opened, the second opening and closing piece is closed, the third opening and closing piece is opened and the airflow driving piece is opened, the heat dissipation device is in a second heat dissipation mode;
when the first opening and closing piece is opened, the second opening and closing piece is opened, the third opening and closing piece is closed and the airflow driving piece is closed, the heat dissipation device is in a third heat dissipation mode;
when the first opening and closing piece is opened, the second opening and closing piece is opened, the third opening and closing piece is closed and the airflow driving piece is opened, the heat dissipation device is in a fourth heat dissipation mode;
when the first opening and closing piece is closed, the second opening and closing piece is closed, the third opening and closing piece is closed and the airflow driving piece is closed, the heat dissipation device is in a fifth heat dissipation mode.
Further, the heat dissipation channel and the heat dissipation branch channel are both arranged in the heat dissipation pipeline;
the heat dissipation pipeline comprises a U-shaped pipe and a first straight pipe, the U-shaped pipe comprises a second straight pipe and a third straight pipe which are parallel to each other and a connecting pipe which is connected with one end of the second straight pipe and one end of the third straight pipe and is perpendicular to the second straight pipe, one end of the first straight pipe is communicated with the connecting pipe, and the other end of the first straight pipe is communicated with the temperature-adjusting environment;
the other end of the second straight pipe is communicated with the inner heat exchange cavity, and the other end of the third straight pipe is communicated with the inner heat exchange cavity;
the radiating fins are embedded in the connecting pipe.
Furthermore, the electronic module to be radiated is arranged in an electric control cavity of the air conditioner, and the radiating pipeline is arranged in the electric control cavity.
Furthermore, the second straight pipe is communicated with the inner heat exchange cavity in a sealing mode, the third straight pipe is communicated with the inner heat exchange cavity in a sealing mode, the radiating fins are embedded in the first straight pipe in a sealing mode, and the first straight pipe is communicated with the temperature adjusting environment in a sealing mode.
Furthermore, the heat dissipation pipeline is externally coated with a heat preservation piece.
Furthermore, the electronic module to be radiated is an electrical box, an intelligent power module is arranged in the electrical box, and the intelligent power module comprises a power switch element; the lower end of the electrical box is connected with the radiating fins.
Based on the same invention idea, the application also provides a control method of the air conditioner heat dissipation device, and the control method comprises the following steps:
acquiring the operation mode of the air conditioner and the temperature of the electronic module to be radiated;
determining a heat dissipation mode instruction according to the operation mode of the air conditioner and the comparison result of the temperature of the electronic module to be dissipated and a preset temperature threshold;
and executing the heat dissipation mode instruction.
Further, the determining the heat dissipation mode instruction according to the operation mode of the air conditioner and the comparison result between the temperature of the electronic module to be dissipated and the preset temperature threshold value includes:
when the operation mode of the air conditioner is a compressor starting and heating mode, comparing the temperature of the electronic module to be radiated with a heating temperature threshold value;
when the temperature of the electronic module to be radiated is less than or equal to the heating temperature threshold, a first radiating mode instruction is generated, and when the temperature of the electronic module to be radiated is greater than the heating temperature threshold, a second radiating mode instruction is generated.
Further, the determining the heat dissipation mode instruction according to the operation mode of the air conditioner and the comparison result between the temperature of the electronic module to be dissipated and the preset temperature threshold further includes:
when the operation mode of the air conditioner is a compressor starting and refrigerating mode, comparing the temperature of the electronic module to be radiated with a refrigerating temperature threshold value;
and when the temperature of the electronic module to be radiated is less than or equal to the refrigeration temperature threshold, generating a third radiation mode instruction, and when the temperature of the electronic module to be radiated is greater than the refrigeration temperature threshold, generating a fourth radiation mode instruction.
Further, the determining the heat dissipation mode instruction according to the operation mode of the air conditioner and the comparison result between the temperature of the electronic module to be dissipated and the preset temperature threshold further includes:
and when the running mode of the air conditioner is that the compressor is closed, generating a fifth heat dissipation mode instruction.
Based on the same invention idea, the application also provides a control system of the heat dissipation device, wherein the control system comprises:
the acquisition module is used for acquiring the operation mode of the air conditioner and the temperature of the electronic module to be radiated;
the determining module is used for determining a heat dissipation mode instruction according to the operation mode of the air conditioner and the comparison result of the temperature of the electronic module to be dissipated and a preset temperature threshold value;
and the execution module is used for executing the heat dissipation mode instruction.
Further, the determining module is specifically configured to:
when the operation mode of the air conditioner is a compressor starting and heating mode, comparing the temperature of the electronic module to be radiated with a heating temperature threshold value;
when the temperature of the electronic module to be radiated is less than or equal to the heating temperature threshold, a first radiating mode instruction is generated, and when the temperature of the electronic module to be radiated is greater than the heating temperature threshold, a second radiating mode instruction is generated.
Further, the determining module is specifically further configured to:
when the operation mode of the air conditioner is a compressor starting and refrigerating mode, comparing the temperature of the electronic module to be radiated with a refrigerating temperature threshold value;
and when the temperature of the electronic module to be radiated is less than or equal to the refrigeration temperature threshold, generating a third radiation mode instruction, and when the temperature of the electronic module to be radiated is greater than the refrigeration temperature threshold, generating a fourth radiation mode instruction.
Further, the determining module is specifically further configured to:
and when the running mode of the air conditioner is that the compressor is closed, generating a fifth heat dissipation mode instruction.
Based on the same invention idea, the application also provides an air conditioner, which comprises the heat dissipation device and the heat dissipation control system.
Compared with the closest prior art, the technical scheme of the application has the following advantages:
according to the heat dissipation device provided by the technical scheme, through the heat dissipation channel communicated with the inner heat exchange cavity and the temperature adjusting environment, heat of the heat dissipation fins embedded in the heat dissipation channel can be dissipated through air flow in the heat dissipation channel, and heat of the electronic module to be dissipated can be directly, efficiently and simply dissipated through the heat dissipation fins and the heat dissipation channel, so that the heat dissipation efficiency is improved, the heat dissipation effect is enhanced, and the conditions that the unit runs abnormally and the like due to untimely heat dissipation or poor effect are avoided; when the heat dissipation device is applied to a power switch element of an intelligent power module, such as an Insulated Gate Bipolar Transistor (IGBT), heat in a control bin can be effectively dissipated, response efficiency and effect of control are improved, and guarantee is provided for efficient and convenient control of the whole unit; the heat dissipation device has more obvious effect when being applied to the vehicle-mounted top air conditioner, solves the long-term heat dissipation problem of the vehicle-mounted top air conditioner, and improves the operation effect and quality of the vehicle-mounted top air conditioner; when the heat dissipation effect is ensured, and the air conditioner is in a heat dissipation mode, the heat generated by the electronic module to be dissipated can enter a temperature adjusting environment through the heat dissipation fins and the heat dissipation channel, the heat generated by the electronic module to be dissipated is recovered, the utilization rate of energy is improved, and the heating quantity and the heating effect of the air conditioner on the temperature adjusting environment are enhanced.
Drawings
Fig. 1 is a schematic view of a top view of a heat dissipation device provided herein;
FIG. 2 is a side view of a heat sink provided herein;
FIG. 3 is a schematic structural diagram of a heat dissipation pipeline provided by the present application;
FIG. 4 is an elevation view of a heat sink conduit provided herein;
FIG. 5 is a top view of a heat sink circuit provided herein;
FIG. 6 is a side view of a heat sink circuit provided herein;
FIG. 7 is a schematic structural diagram of the electrical box and the heat dissipating fins provided in the present application after being connected;
FIG. 8 is a front view of the electrical enclosure and heat sink fins provided herein after attachment;
FIG. 9 is a bottom view of the electrical box and heat sink fins provided herein after attachment;
FIG. 10 is a side view of the electrical enclosure and heat sink fins provided herein after attachment;
fig. 11 is a flow chart of a heat dissipation method provided by the present application.
Wherein, 1-inner heat exchange cavity; 2-an external heat exchange cavity; 3-an electric control cavity; 4-an electrical box; 5-a power switching element; 6-a first shutter; 7-a second shutter; 8-an airflow driver; 9-a third shutter; 10-heat dissipation pipeline; 11-heat dissipation fins; 12-a first straight pipe; 13-a second straight pipe; 14-a third straight pipe; 15-connecting pipe.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying examples and figures 1-11. Fig. 1 is a schematic view of a top view of a heat dissipation device provided herein; FIG. 2 is a side view of a heat sink provided herein; FIG. 3 is a schematic structural diagram of a heat dissipation pipeline provided by the present application; FIG. 4 is an elevation view of a heat sink conduit provided herein; FIG. 5 is a top view of a heat sink circuit provided herein; FIG. 6 is a side view of a heat sink circuit provided herein; FIG. 7 is a schematic structural diagram of the electrical box and the heat dissipating fins provided in the present application after being connected; FIG. 8 is a front view of the electrical enclosure and heat sink fins provided herein after attachment; FIG. 9 is a bottom view of the electrical box and heat sink fins provided herein after attachment; FIG. 10 is a side view of the electrical enclosure and heat sink fins provided herein after attachment; and, fig. 11 is a flow chart of a heat dissipation method provided by the present application.
Example 1
The application provides a heat dissipation device, which is applied to an electronic module to be dissipated of an air conditioner and comprises a heat dissipation channel and heat dissipation fins 11; one end of the heat dissipation channel is communicated with the temperature adjusting environment, and the other end of the heat dissipation channel is communicated with an inner heat exchange cavity 1 of the air conditioner; one end of the heat dissipation fin 11 is embedded into the heat dissipation channel, and the other end of the heat dissipation fin is connected with the electronic module to be dissipated.
Through the heat dissipation channel communicated with the inner heat exchange cavity 1 and the temperature adjusting environment, the heat of the heat dissipation fins 11 embedded in the heat dissipation channel can be dissipated through the air flow in the heat dissipation channel, and the heat of the electronic module to be dissipated can be directly, efficiently and simply dissipated through the heat dissipation fins 11 and the heat dissipation channel, so that the heat dissipation efficiency is improved, the heat dissipation effect is enhanced, and the conditions of abnormal unit operation and the like caused by untimely heat dissipation or poor effect are avoided; when the heat dissipation device is applied to the power switch element 5 of the intelligent power module, such as an Insulated Gate Bipolar Transistor (IGBT), heat in the electric control cavity 3 can be effectively dissipated, the response efficiency and effect of control are improved, and guarantee is provided for efficient and convenient control of the whole unit; the heat dissipation device has more obvious effect when being applied to the vehicle-mounted top air conditioner, solves the long-term heat dissipation problem of the vehicle-mounted top air conditioner, and improves the operation effect and quality of the vehicle-mounted top air conditioner; when the heat dissipation effect is ensured, and the air conditioner is in the heat dissipation mode, the heat generated by the electronic module to be dissipated can enter the temperature adjusting environment through the heat dissipation fins 11 and the heat dissipation channel, the heat generated by the electronic module to be dissipated is recovered, the utilization rate of energy is improved, and the heating quantity and the heating effect of the air conditioner on the temperature adjusting environment are enhanced.
When the air conditioner is applied to a building, the inner heat exchange cavity 1 is an indoor heat exchange cavity, and an indoor heat exchanger, namely a general evaporator, is arranged in the indoor heat exchange cavity; the outer heat exchange cavity 2 is an outdoor heat exchange cavity, and an outdoor heat exchanger, namely a condenser in general, is arranged in the outdoor heat exchange cavity; the temperature-adjusting environment is the indoor environment. When the air conditioner is applied to a vehicle, the inner heat exchange cavity 1 is an in-vehicle heat exchange cavity, and an indoor heat exchanger, namely a general evaporator, is arranged in the in-vehicle heat exchange cavity; the outer heat exchange cavity 2 is an outer heat exchange cavity, and an outer heat exchanger, namely a condenser generally speaking, is arranged in the outer heat exchange cavity; the temperature-adjusting environment is the environment in the vehicle.
In this embodiment, the heat exchanger further comprises a heat dissipation branch channel, wherein one end of the heat dissipation branch channel is communicated with the inner heat exchange cavity 1, and the other end of the heat dissipation branch channel is communicated with the heat dissipation channel; the radiating fins 11 are embedded in the radiating channel between the radiating branch channel and the inner heat exchange cavity 1.
The heat dissipation channel is communicated with the inner heat exchange cavity 1 (an indoor heat exchange cavity or an in-vehicle heat exchange cavity) and a temperature adjusting environment (an indoor environment or an in-vehicle environment), heat generated by the electronic module to be dissipated can be transferred to the temperature adjusting environment or the inner heat exchange cavity 1 through the fins, heat is transferred to the temperature adjusting environment during heating, heat generated by the electronic module to be dissipated can be recovered, the utilization rate of energy is improved, and meanwhile the heating quantity and the heating effect of the air conditioner on the temperature adjusting environment are enhanced; but during the refrigeration, if the heat gets into the environment that adjusts the temperature will break the effect and the travelling comfort that can adjust the temperature the environment, set up the heat dissipation branch way, can make the cold air in interior heat exchange chamber 1 through flow in heat dissipation channel and heat dissipation branch way, cool radiating fin 11 to with the heat transfer intracavity that dispels the heat in radiating fin 11 carries to the environment, avoided the heat to get into the environment that adjusts the temperature, reduced the influence of heat to the effect and the travelling comfort that adjust the temperature of environment that adjusts the temperature.
In this embodiment, the device further includes a first closing and opening component 6 for controlling the communication or non-communication between the heat dissipation pipeline 10 and the inner heat exchange cavity 1, a second closing and opening component 7 for controlling the communication or non-communication between the heat dissipation loop and the inner heat exchange cavity 1, and a third closing and opening component 9 for controlling the communication or non-communication between the heat dissipation pipeline 10 and the temperature-regulated environment.
It has been described above that in the cooling and heating mode of the air conditioner, the heat carried by the heat dissipation fins 11 is transferred to the temperature-adjusting environment or the inner heat exchange cavity 1 by the heat dissipation channel and/or the heat dissipation branch channel, the free flow of the air flow easily causes uncontrolled heat transfer and unwillingly prevents the desired effect from being achieved, and three opening and closing members are provided to control whether the heat dissipation channel is communicated with the inner heat exchange cavity 1, whether the heat dissipation channel is communicated with the temperature-adjusting environment, and whether the heat dissipation branch channel is communicated with the inner heat exchange cavity 1, and the three opening and closing members can be respectively controlled to be opened or closed according to the flow direction requirement of the heat dissipation air flow, so as to control the flow direction of the air flow, thereby better achieving the heat dissipation effect and the incidental effect in the heating and cooling mode described above. The opening and closing piece can be an electric control air valve.
In this embodiment, an airflow driving member 8 is further included, which is disposed in the inner heat exchange chamber 1 and corresponds to the first shutter 6.
The effect of the piece that opens and shuts is the direction outside the separation air current flow direction design, consequently under the effect of the piece that opens and shuts, the air current in heat dissipation channel and the heat dissipation branch say still will flow through the mode of natural convection, and power is limited, if calorific capacity is great, is difficult to the effluvium for a while, consequently sets up air current driving piece 8 and can provide drive power for the air current in heat dissipation channel and the heat dissipation branch say, has improved the radiating efficiency, has strengthened the radiating effect. The airflow driving member 8 is arranged in the inner heat exchange cavity 1 and is arranged at an air inlet which is close to the communication between the inner heat exchange cavity 1 and the heat dissipation channel. The air flow driving part 8 can select a fan, the forward rotation and reverse rotation states of the fan can provide driving forces in different directions, the driving force provided by the forward rotation of the general fan is the common driving force, and the air flow driving part 8 described in the application is opened in the forward rotation mode when opened, so that the directional driving force is provided.
In this embodiment, when the first shutter 6 is closed, the second shutter 7 is closed, the third shutter 9 is opened, and the airflow driving member 8 is closed, the heat dissipation device is in the first heat dissipation mode;
when the first shutter 6 is opened, the second shutter 7 is closed, the third shutter 9 is opened and the airflow driving member 8 is opened, the heat dissipation device is in a second heat dissipation mode;
when the first shutter 6 is opened, the second shutter 7 is opened, the third shutter 9 is closed and the airflow driving member 8 is closed, the heat dissipation device is in a third heat dissipation mode;
when the first shutter 6 is opened, the second shutter 7 is opened, the third shutter 9 is closed and the airflow driving member 8 is opened, the heat dissipation device is in a fourth heat dissipation mode;
when the first shutter 6 is closed, the second shutter 7 is closed, the third shutter 9 is closed, and the airflow driving member 8 is closed, the heat dissipation device is in a fifth heat dissipation mode.
In the first mode, only the third opening and closing member 9 is opened, so that only the heat dissipation channel and the heat dissipation branch channel are directly and indirectly communicated with the temperature regulation environment respectively, and therefore, the airflow absorbing heat carried by the heat dissipation fins 11 can only naturally convect to the temperature regulation environment, so that the mode is suitable for the air conditioner in the heating mode and the heat productivity of the electronic module to be dissipated is small, at the moment, the heat productivity of the electronic module to be dissipated can be dissipated, and can be utilized and supplemented to the temperature regulation environment, the temperature regulation effect is increased, and the utilization rate of energy is improved.
In the second mode, only the first opening and closing part 6, the third opening and closing part 9 and the airflow driving part 8 are opened, and the airflow driving part 8 provides the driving force from the first opening and closing part 6 to the third opening and closing part 9, and also provides the driving force from the inner heat exchange cavity 1 to the temperature-adjusting environment, so that the air conditioner is suitable for the heating mode and the heating value of the electronic module to be cooled is large, at the moment, the heat generated by the electronic module to be cooled can be dissipated, and the heat generated by the electronic module to be cooled can be utilized and supplemented to the temperature-adjusting environment, the temperature-adjusting effect is increased, the utilization rate of energy is improved, the problem of low heat dissipation efficiency in natural convection is avoided, and the air conditioner is very suitable for the conditions of large heating value.
In the third mode, only the first opening and closing part 6 and the second opening and closing part 7 are opened, so that only the heat dissipation channel and the heat dissipation branch channel are respectively communicated with the heat dissipation cavity in the environment, and therefore, the air flow in the inner heat exchange cavity 1 is divided into the heat dissipation channel and the heat dissipation branch channel, and returns to the inner heat exchange cavity 1 after flowing through, namely, the air flow enters from the position of the first opening and closing part 6 and then flows out from the position of the second opening and closing part 7, and the heat generated by the electronic module to be dissipated is also brought into the inner heat exchange cavity 1 by the natural convection air flow, so that the mode is suitable for the condition that the air conditioner is in a refrigeration mode and the heat generated by the electronic module to be dissipated is brought into the inner heat exchange cavity 1 by the air flow when the heat generated by the electronic module to be dissipated is smaller.
In the fourth mode, only the first opening and closing part 6, the second opening and closing part 7 and the airflow driving part 8 are opened, and the airflow driving part 8 provides the driving force from the first opening and closing part 6 to the second opening and closing part 7, namely provides the driving force from the inner heat exchange cavity 1 to the heat dissipation channel and the heat dissipation branch channel to the inner heat exchange cavity 1, so that the mode is suitable for the condition that the air conditioner is in the refrigeration mode and the heat generated by the electronic module to be dissipated is large, at the moment, the heat generated by the electronic module to be dissipated can be brought to the inner heat exchange cavity 1 by the airflow, the problem of low heat dissipation efficiency in natural convection is avoided, and the mode is very suitable for the conditions of large heat generation amount and high heat generation rate.
In the fifth mode, all the opening and closing members and the airflow driving member 8 are closed, and the heat dissipation channel and the heat dissipation branch channel are completely isolated from the outside and cannot dissipate heat, so that the mode is suitable for the state where the air conditioner is not opened, specifically, the state where the compressor is not started.
In this embodiment, the heat dissipation channel and the heat dissipation branch channel are both disposed in the heat dissipation pipeline 10; the heat dissipation pipeline 10 comprises a U-shaped pipe and a first straight pipe 12, the U-shaped pipe comprises a second straight pipe 13 and a third straight pipe 14 which are parallel to each other, and a connecting pipe 15 which is connected with one end of the second straight pipe 13 and one end of the third straight pipe 14 and is perpendicular to the second straight pipe 13, one end of the first straight pipe 12 is communicated with the connecting pipe 15, and the other end of the first straight pipe 12 is communicated with the temperature-adjusting environment; the other end of the second straight pipe 13 is communicated with the inner heat exchange cavity 1, and the other end of the third straight pipe 14 is communicated with the inner heat exchange cavity 1; the heat dissipation fins 11 are embedded in the connection pipe 15.
The second straight pipe 13, the connecting pipe 15 and a flow path in the first straight pipe 12 form a heat dissipation channel, the third straight pipe 14 and the connecting pipe 15 form a heat dissipation branch channel, the first straight pipe 12 is perpendicular to the connecting pipe 15 and perpendicular to the second straight pipe 13, and the heat dissipation fins 11 are arranged opposite to the first straight pipe 12. And the whole radiating pipeline 10 is integrally formed, so that the sealing performance among all pipelines is improved. The design is convenient for the arrangement of the heat dissipation channel and the heat dissipation branch channel and the flow of air flow in the heat dissipation process, the heat dissipation efficiency is increased, and the assembly difficulty is reduced.
In this embodiment, the electronic module to be cooled is disposed in the electronic control cavity 3 of the air conditioner, and the cooling pipeline 10 is disposed in the electronic control cavity 3. The control center of the whole air conditioner is mainly arranged in the electric control cavity 3, a large amount of signals are required to be acquired, generated and transmitted in the control process, a large amount of heat can be generated in the control process, namely the electronic module to be cooled is arranged in the electric control cavity 3, and the heat is required to be dissipated along with the generation of the large amount of heat in the normal operation process.
In this embodiment, the second straight pipe 13 is in sealed communication with the inner heat exchange cavity, the third straight pipe 14 is in sealed communication with the inner heat exchange cavity, the heat dissipation fin 11 is embedded in the first straight pipe 12 in a sealed manner, and the first straight pipe 12 is in sealed communication with the temperature adjusting environment. The connection of heat dissipation pipeline 10 and interior heat transfer chamber 1, the environment and radiating fin 11 that adjust the temperature all is sealedly, prevent air current drunkenness between different storehouses, for example, the heat in interior heat transfer chamber 1 flows into electric control chamber 3, or the air current in the environment that adjusts the temperature flows into electric control chamber 3, can protect electric control chamber 3 not receive the influence of external air current like this, the stability of control has been increased, and the radiating process takes place the heat exchange between air current and radiating fin 11 in heat dissipation pipeline 10 completely, further increased heat abstractor's independence, the influence to other parts has been avoided.
In this embodiment, the heat dissipation pipeline 10 is covered with a thermal insulation member. The heat preservation piece can be made of heat preservation cotton, the heat exchange between air flow in the heat dissipation pipeline 10 and air in the electric control cavity 3 can be further avoided through the heat preservation cotton coating, the operation independence of the heat dissipation device is further improved, and the adverse effect on other parts is avoided.
In this embodiment, the electronic module to be cooled is an electrical box 4, an intelligent power module is arranged in the electrical box 4, and the intelligent power module includes a power switch element 5; the lower end of the electrical box 4 is provided with the radiating fins 11. The power switching element 5 is an Insulated Gate Bipolar Transistor (IGBT) for multiple selection, and the heat generation amount thereof is also large, and the heat dissipation device provided in the present application is required to dissipate heat.
Example 2
Based on the same invention idea, the application also provides a control method of the heat dissipation device, and the control method comprises the following steps: s1, acquiring the operation mode of the air conditioner and the temperature of the electronic module to be radiated; s2, determining a heat dissipation mode instruction according to the operation mode of the air conditioner and the comparison result of the temperature of the electronic module to be dissipated and a preset temperature threshold; and S3, executing the heat dissipation mode instruction.
Radiating mode demand and rate of heat dissipation demand can be reflected to the operational mode of air conditioner and the temperature of treating heat dissipation electronic module, radiating mode and rate have been confirmed, just also can confirm opening and close of each piece and air current driving piece 8, and then can match the heat dissipation mode of various differences, can make more reasonable matching of heat dissipation mode and heat dissipation demand like this, the radiating effect has both been improved, can retrieve the heat under the appropriate circumstances again, and can also the energy saving, avoid the energy extravagant.
In this embodiment, the determining the heat dissipation mode instruction according to the operation mode of the air conditioner and the comparison result between the temperature of the electronic module to be dissipated and the preset temperature threshold includes: when the operation mode of the air conditioner is a compressor starting and heating mode, comparing the temperature of the electronic module to be radiated with a heating temperature threshold value; when the temperature of the electronic module to be radiated is less than or equal to the heating temperature threshold, a first radiating mode instruction is generated, and when the temperature of the electronic module to be radiated is greater than the heating temperature threshold, a second radiating mode instruction is generated.
In embodiment 1, it has been described that the first mode or the second mode can be selected according to the amount of heat generation in the heating mode, specifically, the first mode is selected when the amount of heat generation is small, and the second mode is selected when the amount of heat generation is large; the amount of heat generated can be represented by the temperature of the electronic module to be radiated, the heating temperature threshold is preset and can be used as a dividing line between a smaller heat generated amount and a larger heat generated amount, when the temperature of the electronic module to be radiated is smaller than or equal to the heating temperature threshold, the smaller heat generated amount is determined, the first heat radiation mode is selected, and when the temperature of the electronic module to be radiated is larger than the heating temperature threshold, the larger heat generated amount is determined, the second heat radiation mode is selected.
In this embodiment, the determining the heat dissipation mode instruction according to the operation mode of the air conditioner and the comparison result between the temperature of the electronic module to be dissipated and the preset temperature threshold further includes: when the operation mode of the air conditioner is a compressor starting and refrigerating mode, comparing the temperature of the electronic module to be radiated with a refrigerating temperature threshold value; and when the temperature of the electronic module to be radiated is less than or equal to the refrigeration temperature threshold, generating a third radiation mode instruction, and when the temperature of the electronic module to be radiated is greater than the refrigeration temperature threshold, generating a fourth radiation mode instruction.
In embodiment 1, it has been described that the third heat dissipation mode or the fourth heat dissipation mode can be selected according to the amount of heat generated in the cooling mode, specifically, the third heat dissipation mode is selected when the amount of heat generated is small, and the fourth heat dissipation mode is selected when the amount of heat generated is large; the amount of heat generated can be represented by the temperature of the electronic module to be radiated, the refrigeration temperature threshold is preset and can be used as a dividing line between a smaller heat generated amount and a larger heat generated amount, when the temperature of the electronic module to be radiated is smaller than or equal to the refrigeration temperature threshold, the smaller heat generated amount is determined, the third heat radiation mode is selected, and when the temperature of the electronic module to be radiated is larger than the refrigeration temperature threshold, the larger heat generated amount is determined, the fourth heat radiation mode is selected.
In this embodiment, the determining the heat dissipation mode instruction according to the operation mode of the air conditioner and the comparison result between the temperature of the electronic module to be dissipated and the preset temperature threshold further includes: and when the running mode of the air conditioner is that the compressor is closed, generating a fifth heat dissipation mode instruction.
It has been described in embodiment 1 that the fifth heat dissipation mode is suitable for the air conditioner not being turned on and is characterized by the compressor not being turned on, and therefore the fifth heat dissipation mode is selected when the compressor is turned off.
Example 3
Based on the same invention idea, the application also provides a control system of the heat dissipation device, wherein the control system comprises: the acquisition module is used for acquiring the operation mode of the air conditioner and the temperature of the electronic module to be radiated; the determining module is used for determining a heat dissipation mode instruction according to the operation mode of the air conditioner and the comparison result of the temperature of the electronic module to be dissipated and a preset temperature threshold value; and the execution module is used for executing the heat dissipation mode instruction.
In this embodiment, the determining module is specifically configured to: when the operation mode of the air conditioner is a compressor starting and heating mode, comparing the temperature of the electronic module to be radiated with a heating temperature threshold value; when the temperature of the electronic module to be radiated is less than or equal to the heating temperature threshold, a first radiating mode instruction is generated, and when the temperature of the electronic module to be radiated is greater than the heating temperature threshold, a second radiating mode instruction is generated.
In this embodiment, the determining module is further specifically configured to: when the operation mode of the air conditioner is a compressor starting and refrigerating mode, comparing the temperature of the electronic module to be radiated with a refrigerating temperature threshold value; and when the temperature of the electronic module to be radiated is less than or equal to the refrigeration temperature threshold, generating a third radiation mode instruction, and when the temperature of the electronic module to be radiated is greater than the refrigeration temperature threshold, generating a fourth radiation mode instruction.
In this embodiment, the determining module is further specifically configured to: and when the running mode of the air conditioner is that the compressor is closed, generating a fifth heat dissipation mode instruction.
Example 4
Based on the same invention idea, the application also provides an air conditioner, which comprises the heat dissipation device and a control system of the heat dissipation device.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
It is to be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or any combination thereof. For a hardware implementation, the Processing units may be implemented within one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units configured to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques described herein may be implemented by means of units performing the functions described herein. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the embodiments of the present application may be essentially implemented or make a contribution to the prior art, or may be implemented in the form of a software product stored in a storage medium and including several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (11)
1. A heat dissipating double-fuselage, apply to waiting to dispel the heat the electronic module of the air conditioner, characterized by, the said heat dissipating double-fuselage includes heat-dissipating channel and heat-dissipating fin (11); one end of the heat dissipation channel is communicated with the temperature adjusting environment, and the other end of the heat dissipation channel is communicated with an inner heat exchange cavity (1) of the air conditioner; one end of the radiating fin (11) is embedded into the radiating channel, and the other end of the radiating fin is connected with the electronic module to be radiated.
2. The heat sink according to claim 1, further comprising a heat dissipation branch conduit, one end of the heat dissipation branch conduit is communicated with the inner heat exchange cavity (1), and the other end is communicated with the heat dissipation channel;
the radiating fins (11) are embedded in a radiating channel between the radiating branch channel and the inner heat exchange cavity (1).
3. A heat-dissipating device according to claim 2, further comprising a first shutter (6) for controlling the communication or non-communication of the heat-dissipating passage with the inner heat exchange chamber (1), a second shutter (7) for controlling the communication or non-communication of the heat-dissipating branch with the inner heat exchange chamber (1), and a third shutter (9) for controlling the communication or non-communication of the heat-dissipating passage with a temperature-regulated environment.
4. A heat-dissipating device according to claim 3, further comprising an airflow driver (8) provided in the inner heat exchange chamber (1) and corresponding to the first shutter (6).
5. The heat dissipating device according to claim 4, wherein the heat dissipating device is in a first heat dissipating mode when the first shutter (6) is closed, the second shutter (7) is closed, the third shutter (9) is open, and the airflow driver (8) is closed;
when the first opening and closing piece (6) is opened, the second opening and closing piece (7) is closed, the third opening and closing piece (9) is opened and the airflow driving piece (8) is opened, the heat dissipation device is in a second heat dissipation mode;
when the first opening and closing piece (6) is opened, the second opening and closing piece (7) is opened, the third opening and closing piece (9) is closed and the airflow driving piece (8) is closed, the heat dissipation device is in a third heat dissipation mode;
when the first opening and closing piece (6) is opened, the second opening and closing piece (7) is opened, the third opening and closing piece (9) is closed and the airflow driving piece (8) is opened, the heat dissipation device is in a fourth heat dissipation mode;
when the first opening and closing piece (6) is closed, the second opening and closing piece (7) is closed, the third opening and closing piece (9) is closed and the airflow driving piece (8) is closed, the heat dissipation device is in a fifth heat dissipation mode.
6. The heat sink according to claim 2, further comprising a heat dissipating pipeline (10), wherein the heat dissipating channel and the heat dissipating branch channel are both disposed in the heat dissipating pipeline (10);
the heat dissipation pipeline (10) comprises a U-shaped pipe and a first straight pipe (12), the U-shaped pipe comprises a second straight pipe (13) and a third straight pipe (14) which are parallel to each other, and a connecting pipe (15) which is connected with one end of the second straight pipe (13) and one end of the third straight pipe (14) and is perpendicular to the second straight pipe (13), one end of the first straight pipe (12) is communicated with the connecting pipe (15), and the other end of the first straight pipe is communicated with the temperature adjusting environment;
the other end of the second straight pipe (13) is communicated with the inner heat exchange cavity (1), and the other end of the third straight pipe (14) is communicated with the inner heat exchange cavity (1);
the radiating fins (11) are embedded in the connecting pipe (15).
7. The heat dissipation device according to claim 6, wherein the electronic module to be dissipated is disposed in an electronic control chamber (3) of the air conditioner, and the heat dissipation pipeline (10) is disposed in the electronic control chamber (3).
8. A heat sink according to claim 7, wherein the second straight tube (13) is in sealed communication with the inner heat exchange chamber (1), the third straight tube (14) is in sealed communication with the inner heat exchange chamber (1), the heat dissipating fins (11) are sealingly embedded in the first straight tube (12), and the first straight tube (12) is in sealed communication with the tempering environment.
9. The heat sink as claimed in claim 7, characterized in that the heat sink line (10) is enveloped by a thermal insulation.
10. The heat dissipation device according to claim 7, wherein the electronic module to be dissipated is an electrical box (4), and an intelligent power module is arranged in the electrical box (4), and comprises a power switch element (5); the lower end of the electrical box (4) is connected with the radiating fins (11).
11. An air conditioner characterized by comprising the heat dissipating device according to any one of claims 1 to 10.
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| CN201920980135.7U CN210429789U (en) | 2019-06-26 | 2019-06-26 | Heat dissipation device and air conditioner |
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| CN201920980135.7U CN210429789U (en) | 2019-06-26 | 2019-06-26 | Heat dissipation device and air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391198A (en) * | 2019-06-26 | 2019-10-29 | 珠海格力电器股份有限公司 | A kind of radiator and its control method, system and air conditioner |
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2019
- 2019-06-26 CN CN201920980135.7U patent/CN210429789U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391198A (en) * | 2019-06-26 | 2019-10-29 | 珠海格力电器股份有限公司 | A kind of radiator and its control method, system and air conditioner |
| CN110391198B (en) * | 2019-06-26 | 2024-02-09 | 珠海格力电器股份有限公司 | Heat dissipation device, control method and system thereof and air conditioner |
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