CN212005989U - Controller radiating assembly and air conditioner - Google Patents

Controller radiating assembly and air conditioner Download PDF

Info

Publication number
CN212005989U
CN212005989U CN202020472617.4U CN202020472617U CN212005989U CN 212005989 U CN212005989 U CN 212005989U CN 202020472617 U CN202020472617 U CN 202020472617U CN 212005989 U CN212005989 U CN 212005989U
Authority
CN
China
Prior art keywords
outer ring
temperature
compressor
radiating fin
fan
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020472617.4U
Other languages
Chinese (zh)
Inventor
吴俊鸿
翟振坤
廖敏
夏光辉
梁博
王现林
连彩云
田雅颂
梁之琦
周金声
熊绍森
徐耿彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202020472617.4U priority Critical patent/CN212005989U/en
Application granted granted Critical
Publication of CN212005989U publication Critical patent/CN212005989U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The utility model provides a controller radiator unit and air conditioner, controller radiator unit, it includes: radiating basal plate, radiating fin and fan subassembly, one side of radiating basal plate sets up with the laminating of the components and parts that generate heat, radiating basal plate's opposite side is provided with radiating fin, radiating fin has a plurality ofly, and is a plurality of radiating fin is formed with the cavity at its inside, the fan subassembly set up in radiating fin's inside in the cavity, through opening or closing of control fan subassembly and/or the rotational speed size when control fan subassembly opens in order to control the heat dissipation of the components and parts that generate heat. Through the utility model discloses can follow the inside suction of radiating fin or blow off the air current, can reduce the local high temperature point of components and parts, solve air conditioner frequency conversion controller components and parts temperature on the high side, the uneven and inconsistent problem of components and parts temperature comes the feedback governing system according to the operational aspect of fan subassembly in the radiator simultaneously, guarantees that the components and parts temperature is at reasonable within range.

Description

Controller radiating assembly and air conditioner
Technical Field
The utility model belongs to the technical field of the air conditioner, concretely relates to controller radiator unit and air conditioner.
Background
Most of components of the existing air conditioner frequency conversion controller adopt aluminum profile radiators for heat dissipation, on one hand, under a high-temperature environment, the temperature rise of the components of the controller cannot meet the requirement, the promotion of the high-temperature refrigerating capacity of the air conditioner is limited, and even the air conditioner is protected to stop; on the other hand, because the heating values of the components are inconsistent, the temperature uniformity of the components cannot be guaranteed, and the temperature of part of the components is higher, so that the reliability and the service life of the components are influenced, and further the safety and the reliability of the operation of the air conditioner are influenced.
Because there is frequency conversion controller components and parts temperature on the high side in the air conditioner among the prior art, technical problem such as the inhomogeneous inconsistency of components and parts temperature, consequently the utility model discloses research and design a controller radiator unit and air conditioner.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the air conditioner variable frequency controller components and parts temperature among the prior art on the high side, the inhomogeneous inconsistent defect of components and parts temperature to a controller radiator unit and air conditioner are provided.
The utility model provides a controller radiator unit, it includes:
radiating basal plate, radiating fin and fan subassembly, one side of radiating basal plate sets up with the laminating of the components and parts that generate heat, radiating basal plate's opposite side is provided with radiating fin, radiating fin has a plurality ofly, and is a plurality of radiating fin is formed with the cavity at its inside, the fan subassembly set up in radiating fin's inside in the cavity, through control fan subassembly open or close and/or the rotational speed size when controlling the fan subassembly and open in order to control the heat dissipation of the components and parts that generate heat.
Preferably, the first and second electrodes are formed of a metal,
the plurality of heat dissipation fins are arranged in fins which are radially dispersed from the middle to the outside, and the cavity for accommodating the fan assembly is formed in the middle.
Preferably, the first and second electrodes are formed of a metal,
the heat radiating fins are of plate-shaped structures and are of multi-layer plate structures arranged in a stacked mode, holes are formed in the middle of each heat radiating fin, and the holes of the plate structures are stacked to form a cavity for accommodating the fan assembly.
Preferably, the first and second electrodes are formed of a metal,
the heat pipe is arranged between the heat radiating base plate and the heat radiating fins, the lower end of the heat pipe is connected with the heat radiating base plate, and the upper end of the heat pipe is connected with the heat radiating fins.
Preferably, the first and second electrodes are formed of a metal,
the heat pipe is U-shaped and comprises a first section, a second section and a third section which are sequentially connected, the second section is arranged between the radiating base plate and the radiating fins, the first section upwards extends to the free end of the first section from the position connected with the second section, and the third section upwards extends to the free end of the third section from the position connected with the second section.
Preferably, the first and second electrodes are formed of a metal,
the heat pipe is a plurality of, a plurality of heat pipes along the length direction or the width direction interval arrangement of radiating basal plate.
Preferably, the first and second electrodes are formed of a metal,
the fan assembly includes at least one of an axial fan, a centrifugal fan, and a counter-rotating fan.
The utility model also provides an air conditioner, it includes preceding arbitrary controller radiator unit.
The utility model provides a pair of controller radiator unit and air conditioner have following beneficial effect:
1. the utility model discloses a set up the fan subassembly in the inside cavity of radiating fin, can suck or blow off the air current from the radiating fin inside, for the fan arranges in radiating fin the place ahead or the rear mode of blowing or induced drafting, can reduce the local high temperature point of components and parts, make the air flow through the surface of radiating fin in a bigger area, the heat transfer utilization ratio of fin has been improved, radiating fin's fin heat exchange efficiency has been strengthened effectively, the problem that air conditioner frequency conversion controller components and parts temperature is on the high side, components and parts temperature is uneven and inconsistent has been effectively solved, strengthen the heat transfer between air and fin, air and heat pipe element, there is obvious advantage to the temperature rise of control components and parts;
2. the utility model discloses combine air conditioning system operating characteristic, control the fan subassembly in the radiator through the regulation to air conditioning system parameter, including the start-up of fan subassembly, close and air conditioning system parameter (components and parts temperature, current parameter, compressor frequency, exhaust etc.), external environment temperature (the pipe temperature of outer machine heat exchanger) coordinated control, carry out feedback regulation to the fan subassembly, cool down components and parts; meanwhile, the regulation system is fed back according to the running condition of a fan assembly in the radiator, so that the running of the fan system is more reasonable, the temperature of components is ensured to be within a reasonable range, and the running reliability of the air conditioner is improved;
3. the utility model discloses a fan subassembly moves maximum rotational speed or when breaking down, sets up air conditioning system operating parameter (compressor upper limit frequency, complete machine upper limit electric current etc.) according to outer loop temperature or the pipe temperature of outer quick-witted heat exchanger, can guarantee air conditioning system reliability operation.
Drawings
Fig. 1 is a schematic front perspective view of a controller heat dissipation assembly according to embodiment 1 of the present invention;
fig. 2 is an exploded schematic view of a controller heat dissipation assembly according to embodiment 1 of the present invention;
fig. 3 is a schematic back perspective view of a controller heat dissipation assembly according to embodiment 1 of the present invention;
fig. 4 is a schematic front perspective view of a controller heat dissipation assembly according to embodiment 2 of the present invention;
fig. 5 is an exploded schematic view of a controller heat dissipation assembly according to embodiment 2 of the present invention;
fig. 6 is a schematic control flow diagram of the heat dissipation assembly of the controller of the present invention;
FIG. 7a is a logic-one graph of the controller heat dissipation control method of the present invention controlling the compressor operating frequency and the outer loop/outer tube temperature when a fault is detected;
FIG. 7b is a logic two plot of the controller heat dissipation control method of the present invention controlling the compressor operating frequency and the outer ring/outer tube temperature when a fault is detected;
fig. 8a is a logic-one graph of the controller heat dissipation control method of the present invention controlling the overall compressor current and the outer ring/outer tube temperature when a fault is detected;
fig. 8b is a logic two-curve graph of the controller heat dissipation control method of the present invention controlling the current between the compressor and the outer ring/outer tube temperature when a fault is detected.
The reference numbers in the figures denote:
1. a fan assembly; 2. a heat dissipating fin; 20. a cavity; 3. a heat-dissipating substrate; 4. a heat generating element; 5. a heat pipe; 51. a first stage; 52. a second stage; 53. and a third stage.
Detailed Description
As shown in fig. 1-8b, the utility model provides a controller radiator unit, it includes:
radiating basal plate 3, radiating fin 2 and fan subassembly 1, radiating basal plate 3's one side sets up with 4 laminating of heating element, radiating basal plate 3's opposite side is provided with radiating fin 2, radiating fin 2 has a plurality ofly, and a plurality of radiating fin 2 is formed with cavity 20 at its inside, fan subassembly 1 set up in radiating fin 2's inside in cavity 20, through control fan subassembly open or close and/or control the rotational speed size when fan subassembly opens in order to control the heat dissipation of heating element.
The utility model discloses a set up the fan subassembly in the inside cavity of radiating fin, can suck or blow off the air current from the radiating fin inside, for the fan subassembly arranges in radiating fin the place ahead or the rear and bloies or the mode of induced drafting, can reduce the local high temperature point of components and parts, make the air flow through the surface of radiating fin more extensively, the heat transfer utilization ratio of fin has been improved, radiating fin's fin heat exchange efficiency has been strengthened effectively, the problem that air conditioner frequency conversion controller components and parts temperature is on the high side, components and parts temperature is uneven and inconsistent has been effectively solved, strengthen the heat transfer between air and fin, air and heat pipe element, there is obvious advantage to the temperature rise of control components and parts; the fan assembly in the radiator is controlled by adjusting the parameters of the air-conditioning system, the starting and the closing of the fan assembly are in linkage control with the parameters of the air-conditioning system (such as the temperature of components, current parameters, the frequency of a compressor, exhaust and the like) and the external environment temperature (the temperature of a pipe of an external machine heat exchanger), the fan assembly is subjected to feedback adjustment, and the components are cooled; meanwhile, the regulation system is fed back according to the running condition of the fan assembly in the radiator, so that the running of the fan system is more reasonable, the temperature of components is guaranteed to be within a reasonable range, and the running reliability of the air conditioner is improved.
The utility model provides a frequency conversion controller heat dissipation mode, as shown in figures 1-5.
The radiating fins 2 are circumferentially distributed along the center, the fan assembly 1 is arranged in the middle of the radiating fins 2, and the fan assembly can be in the form of an axial flow fan, an ion fan, a counter-rotating fan and the like. The components which need heat dissipation are arranged on the heat dissipation substrate 3 and comprise a rectifier bridge, an IGBT, a diode, an IPM and the like. The arrangement position of the fan assembly is not limited to the above form, and the fan assembly is optimally arranged at the position corresponding to the component with the largest heat generation amount.
The heat generated by the heating component 4 is transferred to the fins by the heat dissipation substrate 3, and then is transferred out by the heat exchange between the outside air and the fins. The fan assembly is additionally arranged inside the radiator fin, on one hand, the disturbance of surrounding airflow can be increased, the heat dissipation capacity of the fin and the environment is increased, on the other hand, the temperature of a component with large heat productivity can also be reduced, and the temperature uniformity of the component is guaranteed to some extent.
Example 1, as shown in fig. 1-3, preferably,
the plurality of heat dissipation fins 2 are arranged in a fin arrangement which is radially diverged from the middle toward the outside, and the cavity 20 accommodating the fan assembly 1 is formed in the middle. The preferred structure form of embodiment 1 of the present invention is that a plurality of heat dissipation fins are arranged in a manner of emitting from the middle to the periphery, and the heat can be radiated and transferred outwards and radially through the fins; the fan subassembly sets up in the inside central authorities of fin, compares in the mode of blowing from the fan subassembly in fin rear or the place ahead can make the air follow all fin inside processes more fully, and the air current flows through each surface of fin, has further effectively increased the heat transfer area of fin surface with the air, has improved fin heat transfer effect.
Embodiment 2, as shown in fig. 4-5, preferably,
radiating fin 2 is platelike structure, and is a plurality of radiating fin 2 is the multilayer plate structure of range upon range of setting, and every radiating fin 2 middle part all is provided with the hole, and is a plurality of the plate structure the hole superposes, forms and holds fan subassembly 1 cavity 20. The preferred structure form of embodiment 2 of the present invention is that a plurality of heat dissipation fins are arranged in a stacked arrangement form, so that heat can be exchanged between adjacent layers in a stacked form through the fins and then transferred out; the fan subassembly sets up in the inside central authorities of fin, compares in the mode of blowing from the fan subassembly in fin rear or the place ahead can make the air follow all fin inside processes more fully, and the air current flows through each surface of fin, has further effectively increased the heat transfer area of fin surface with the air, has improved fin heat transfer effect.
Preferably, the first and second electrodes are formed of a metal,
still include heat pipe 5, radiating base plate 3 set up in radiating fin 2's lower extreme, heat pipe 5 sets up radiating base plate 3 with between the radiating fin 2, just the lower extreme of heat pipe with radiating base plate connects the upper end of heat pipe with radiating fin connects. The heat pipe is arranged to take the heat on the heating element to the fin part through the refrigerant in the heat pipe, and then the heat is released to the air through the fin, so that the heat exchange efficiency is improved; the heat pipe structure is applicable to both embodiments 1 and 2.
A heat pipe 5 is provided on the heat sink. The heat that components and parts produced is transmitted to the heat pipe element by the radiator base plate, and after the medium heat absorption evaporation of the inside heat pipe element becomes gaseous state, under the effect of vapor pressure, inside gaseous state medium moved to upper portion, then with the wall heat transfer of heat pipe element, with the heat transfer to the fin on, the fin again with air heat transfer to in with the heat transfer to the air. The gaseous medium in the heat pipe element is condensed into liquid after heat exchange, and returns to the evaporation end under the action of the internal capillary structure, and the process is repeated.
The fan assembly is additionally arranged in the middle of the fin, so that heat exchange between air and the fin and between air and the heat pipe element is enhanced, and the fan assembly has obvious advantages in controlling temperature rise of components.
Preferably, the first and second electrodes are formed of a metal,
the heat pipe 5 is U-shaped and includes a first section 51, a second section 52 and a third section 53 connected in sequence, the second section 52 is disposed between the heat dissipation substrate 3 and the heat dissipation fin 2, the first section 51 extends upward from a position connected with the second section 52 to a free end of the first section 51, and the third section 53 extends upward from a position connected with the second section 52 to a free end of the third section 53. This is the utility model discloses a further preferred structural style of heat pipe, the preferred shape and the structure of heat pipe promptly, the structural style of U-shaped can make the second section that is located the interlude meet with the heat dissipation base plate, from heat dissipation base plate department absorption heat to first section or third section at both ends are transmitted, and emit the heat to fin department, and then give off to the air in, make first section and third section ability simultaneous working, heat transfer simultaneously, have further improved heat exchange efficiency.
Preferably, the first and second electrodes are formed of a metal,
the heat pipes 5 are arranged in plurality, and the plurality of heat pipes 5 are arranged at intervals along the length direction or the width direction of the heat dissipation substrate 3. This is the utility model discloses a further preferred structural style of heat pipe can further improve heat exchange efficiency through a plurality of heat pipes of arranging the setting, strengthens the radiating efficiency to the components and parts that generate heat.
Preferably, the first and second electrodes are formed of a metal,
the fan assembly 1 includes at least one of an axial fan, a centrifugal fan and a counter-rotating fan. This is the preferred structural style of the fan assembly of the present invention.
The utility model also provides a controller heat dissipation control method, it utilizes aforementioned controller radiator unit, through control the rotational speed size when opening or closing or controlling the fan subassembly of fan subassembly is opened is controlled with the heat dissipation to the components and parts that generate heat. The utility model discloses combine air conditioning system operating characteristic, control the fan subassembly in the radiator through the regulation to air conditioning system parameter, including the start-up of fan subassembly, close and air conditioning system parameter (components and parts temperature, current parameter, compressor frequency, exhaust etc.), external environment temperature (the pipe temperature of outer machine heat exchanger) coordinated control, carry out feedback regulation to the fan subassembly, cool down components and parts; meanwhile, the regulation system is fed back according to the running condition of the fan assembly in the radiator, so that the running of the fan system is more reasonable, the temperature of components is guaranteed to be within a reasonable range, and the running reliability of the air conditioner is improved.
1. The utility model provides a frequency conversion controller heat dissipation mode and a control method, which controls a fan assembly in a radiator by adjusting the parameters of an air conditioning system and cools components; meanwhile, the regulation system is fed back according to the running condition of the fan assembly in the radiator, and the reliability of the system is guaranteed.
2. The starting and the closing of the fan assembly are controlled in a linkage manner with the parameters (component temperature, current parameter, compressor frequency, exhaust and the like) of an air conditioning system and the external environment temperature (the pipe temperature of an external machine heat exchanger).
3. Calculating the target rotating speed of a fan in the radiator:
determining the temperature of an outer ring or the temperature of a pipe of an outer machine heat exchanger, the temperature of an inner ring and the temperature of components;
determining according to the outer ring temperature or the pipe temperature of the outer machine heat exchanger, the phase current or the frequency of the compressor;
thirdly, determining according to the outer ring temperature or the tube temperature of the outer machine heat exchanger and the current of the whole machine;
4. when the fan assembly runs to the maximum rotating speed or fails, the running parameters (the upper limit frequency of the compressor, the upper limit current of the whole machine and the like) of the air-conditioning system are set according to the outer ring temperature or the pipe temperature of the outer machine heat exchanger, and the reliable running of the air-conditioning system is ensured.
The utility model discloses the fan subassembly control and the air conditioning system linkage of well radiator divide into fan operation mode or not operation mode, and concrete implementation mode is as follows:
1. preferably, the first and second electrodes are formed of a metal,
when the temperature T of the outer ringOuter ring≥TLower limit value of outer ring of fanTemperature T of componentTemperature of≥TLower limit of component temperature(ii) a Or the like, or, alternatively,
when the outer ring temperature TOuter ring≥TLower limit value of outer ring of fanCompressor phase current ICompressor with a compressor housing having a plurality of compressor blades≥ILower limit of fan starting(ii) a Or the like, or, alternatively,
third, when the temperature T of the outer ringOuter ring≥TLower limit value of outer ring of fanFrequency of compressor FCompressor with a compressor housing having a plurality of compressor blades≥FLower limit of fan starting(ii) a Or the like, or, alternatively,
when the temperature T of the outer ringOuter ring≥TLower limit value of outer ring of fanCurrent I of the whole machineComplete machine≥ILower limit of fan starting
Controlling the fan assembly to be started and continuously detecting the running time tTime of fan on. This is the utility model discloses an open preferred control mode of fan subassembly, components and parts high temperature when either outer loop temperature is too high promptly, consequently need open the fan subassembly and cool down to components and parts, compressor phase current is too big when either outer loop temperature is too high, consequently need open the fan subassembly and cool down to components and parts, compressor frequency is too big when either outer loop temperature is too high, consequently need open the fan subassembly and cool down to components and parts, complete machine current is too big when either outer loop temperature is too high, consequently need open the fan subassembly and cool down to components and parts, all explain components and parts need be cooled down this moment, can accurately effectively judge the opportunity that components and parts need cool down, improve the precision that control fan subassembly was opened.
Preferably, the first and second electrodes are formed of a metal,
after the fan assembly operates, if the following conditions are detected:
when T isOuter ring≤TOuter ring 1And T isComponent temperature 1≥TTemperature of componentsThen controlThe rotating speed of the fan assembly is N1;
when T isOuter ring≤TOuter ring 1And T isComponent temperature 1<TTemperature of components≤TComponent temperature 2Controlling the rotating speed of the fan assembly to be N2;
when T isOuter ring≤TOuter ring 1And T isComponent temperature 2≤TTemperature of componentsControlling the rotating speed of the fan assembly to be N3;
wherein T isOuter ring 1、TComponent temperature 1And TComponent temperature 2Are all constant, and TComponent temperature 1<TComponent temperature 2N1, N2 and N3 are all constants, and N1 < N2 < N3.
The method is a first effective control mode for controlling the running rotating speed of the fan assembly after the fan assembly runs, namely the method for controlling the rotating speed of the fan assembly by comparing the outer ring temperature and the component temperature with respective preset temperatures respectively is adopted, and when T is reachedOuter ring≤TOuter ring 1And T isComponent temperature 1≥TTemperature of componentsWhen the outer ring temperature and the component temperature are lower, controlling the rotating speed of the fan assembly to operate to a specified minimum gear N1; when T isOuter ring≤TOuter ring 1And T isComponent temperature 1<TTemperature of components≤TComponent temperature 2If the temperature of the outer ring is low but the temperature of the components is moderate, controlling the rotating speed of the fan assembly to be in a designated middle gear N2; when T isOuter ring≤TOuter ring 1And T isComponent temperature 2≤TTemperature of componentsAnd if the temperature of the outer ring is low but the temperature of the component is high, the rotating speed of the fan assembly is controlled to operate to a specified high gear N3, so that the current requirement for heat dissipation of the component is met, and the heat dissipation capacity is improved.
Preferably, the first and second electrodes are formed of a metal,
after the fan assembly operates, if the following conditions are detected:
when T isOuter ring 1<TOuter ring≤TOuter ring 2And T isComponent temperature 1≥TTemperature of componentsControlling the rotating speed of the fan assembly to be N1 plus delta N1;
when T isOuter ring 1<TOuter ring≤TOuter ring 2And T isComponent temperature 1<TTemperature of components≤TComponent temperature 2Controlling the rotating speed of the fan assembly to be N2 plus delta N1;
when T isOuter ring 1<TOuter ring≤TOuter ring 2And T isComponent temperature 2≤TTemperature of componentsControlling the rotating speed of the fan assembly to be N3 plus delta N1;
wherein T isOuter ring 1And TOuter ring 2Are all constant, and TOuter ring 1<TOuter ring 2,TComponent temperature 1And TComponent temperature 2Are all constant, and TComponent temperature 1<TComponent temperature 2N1, N2 and N3 are all constants, N1 < N2 < N3, and delta N1 is a normal number.
The method is a second effective control mode for controlling the running rotating speed of the fan assembly after the fan assembly runs, namely the method for controlling the rotating speed of the fan assembly by comparing the outer ring temperature and the component temperature with respective preset temperatures respectively is adopted, and when T is reachedOuter ring 1<TOuter ring≤TOuter ring 2And T isComponent temperature 1≥TTemperature of componentsIf the temperature of the outer ring is moderate but the temperatures of the components are low, the rotating speed of the fan assembly is controlled to operate to a specified minimum gear N1 plus a gradually increased small gear delta N1; when T isOuter ring 1<TOuter ring≤TOuter ring 2And T isComponent temperature 1<TTemperature of components≤TComponent temperature 2If the temperature of the outer ring is moderate and the temperature of the components is moderate, the rotating speed of the fan assembly is controlled to be operated to a specified middle gear N2 plus a small gear delta N1; when T isOuter ring 1<TOuter ring≤TOuter ring 2And T isComponent temperature 2≤TTemperature of componentsIf the temperature of the outer ring is moderate but the temperature of the components is high, the rotating speed of the fan assembly is controlled to be operated to a specified high gear N3 plus a small gear delta N1, so that the current requirement for heat dissipation of the components is met, and the heat dissipation capacity is improved.
Preferably, the first and second electrodes are formed of a metal,
after the fan assembly operates, if the following conditions are detected:
when T isOuter ring 2<TOuter ringAnd T isComponent temperature 1≥TTemperature of componentsControlling the rotating speed of the fan assembly to be N1 plus delta N2;
when T isOuter ring 2<TOuter ringAnd T isComponent temperature 1<TTemperature of components≤TComponent temperature 2Controlling the rotating speed of the fan assembly to be N2 plus delta N2;
when T isOuter ring 2<TOuter ringAnd T isComponent temperature 2<TTemperature of componentsControlling the rotating speed of the fan assembly to be N3 plus delta N2;
wherein T isOuter ring 1And TOuter ring 2Are all constant, and TOuter ring 1<TOuter ring 2,TComponent temperature 1And TComponent temperature 2Are all constant, and TComponent temperature 1<TComponent temperature 2N1, N2 and N3 are all constants, N1 < N2 < N3, delta N1 and delta N2 are normal numbers, and delta N1 < delta N2.
The method is a third effective control mode for controlling the running rotating speed of the fan assembly after the fan assembly runs, namely the rotating speed of the fan assembly is controlled by comparing the outer ring temperature and the component temperature with respective preset temperatures respectively, and when T is reachedOuter ring 2<TOuter ringAnd T isComponent temperature 1≥TTemperature of componentsIf the outer ring temperature is high but the component temperature is low, controlling the rotating speed of the fan assembly to operate to a specified minimum gear N1 plus a progressive middle gear delta N2; when T isOuter ring 2<TOuter ringAnd T isComponent temperature 1<TTemperature of components≤TComponent temperature 2If the outer ring temperature is proper and the temperature of the components is proper, controlling the rotating speed of the fan assembly to operate to a specified middle gear N2 plus a progressive middle gear delta N2; when T isOuter ring 2<TOuter ringAnd T isComponent temperature 2≤TTemperature of componentsAnd if the outer ring temperature is higher and the component temperature is higher, controlling the rotating speed of the fan assembly to operate to the specified higher gear N3 plus the incremental middle gearPosition delta N2 to satisfy present demand for the components and parts heat dissipation, improve the heat-sinking capability.
The three control modes can be summarized as follows:
2. calculating the target rotating speed of the fan assembly: outer ring temperature TOuter ringOr the tube temperature T of the heat exchanger of the external machineOuter tube
From the outer loop temperature TOuter ringTemperature T of componentTemperature of componentsA determination is made.
Figure BDA0002436733800000091
Note: the value ranges of delta N1 and delta N2 [0,200 ]. The interval division can be a multi-segment interval, is not limited to the three-segment interval, and can be adjusted according to actual conditions.
Preferably, the first and second electrodes are formed of a metal,
after the fan assembly operates, if the following conditions are detected:
when T isOuter ring≤TOuter ring 1And I isCompressor 1≥ICompressor with a compressor housing having a plurality of compressor bladesControlling the rotating speed of the fan assembly to be N01;
when T isOuter ring≤TOuter ring 1And I isCompressor 1<ICompressor with a compressor housing having a plurality of compressor blades≤ICompressor 2Controlling the rotating speed of the fan assembly to be N02;
when T isOuter ring≤TOuter ring 1And I isCompressor 2<ICompressor with a compressor housing having a plurality of compressor bladesControlling the rotating speed of the fan assembly to be N03;
wherein T isOuter ring 1、ICompressor 1And ICompressor 2Are all constant, and ICompressor 1<ICompressor 2N01, N02 and N03 are all constants, and N01 < N02 < N03.
The method is a fourth effective control mode for controlling the running rotating speed of the fan assembly after the fan assembly runs, namely according to the outer ring temperature and the compressor phase current IPhase currentOr compressor operating frequency FFrequency ofRespectively comparing with respective preset values to control the rotating speed of the fan assemblyIn a manner of TOuter ring≤TOuter ring 1And I isCompressor 1≥ICompressor with a compressor housing having a plurality of compressor bladesWhen the outer ring temperature is lower and the phase current of the compressor is lower, controlling the rotating speed of the fan assembly to operate to a specified minimum gear N01; when T isOuter ring≤TOuter ring 1And I isCompressor 1<ICompressor with a compressor housing having a plurality of compressor blades≤ICompressor 2If the outer ring temperature is low but the phase current of the compressor is moderate, controlling the rotating speed of the fan assembly to be operated to a specified middle gear N02; when T isOuter ring≤TOuter ring 1And I isCompressor 2<ICompressor with a compressor housing having a plurality of compressor bladesAnd if the temperature of the outer ring is low but the phase current of the compressor is high, the rotating speed of the fan assembly is controlled to be operated to a specified high gear N03, so that the current requirement for heat dissipation of components is met, and the heat dissipation capacity is improved.
Preferably, the first and second electrodes are formed of a metal,
after the fan assembly operates, if the following conditions are detected:
when T isOuter ring 1<TOuter ring≤TOuter ring 2And I isCompressor 1≥ICompressor with a compressor housing having a plurality of compressor bladesControlling the rotating speed of the fan assembly to be N01 plus delta N01;
when T isOuter ring 1<TOuter ring≤TOuter ring 2And I isCompressor 1<ICompressor with a compressor housing having a plurality of compressor blades≤ICompressor 2Controlling the rotating speed of the fan assembly to be N02 plus delta N01;
when T isOuter ring 1<TOuter ring≤TOuter ring 2And I isCompressor 2<ICompressor with a compressor housing having a plurality of compressor bladesControlling the rotating speed of the fan assembly to be N03 plus delta N01;
wherein T isOuter ring 1And TOuter ring 2Are all constant, and TOuter ring 1<TOuter ring 2,ICompressor 1And ICompressor 1Are all constant, and ICompressor 1<ICompressor 1N01, N02 and N03 are all constants, N01 < N02 < N03, and delta N01 is a normal number.
The fifth effective control mode is that the fan assembly operates and then the operating speed of the fan assembly is controlled, namely, the fan assembly operates and rotates according to the outer ring temperature and the compressor phase current IPhase currentOr operation of the compressorFrequency FFrequency ofRespectively comparing with respective preset values to control the rotating speed of the fan assembly when T isOuter ring 1<TOuter ring≤TOuter ring 2And I isCompressor 1≥ICompressor with a compressor housing having a plurality of compressor bladesThe method comprises the following steps that (1) the temperature of an outer ring is moderate but the phase current of a compressor is small, and the rotating speed of a fan assembly is controlled to be operated to a specified minimum gear N01 plus a small gear delta N01; when T isOuter ring 1<TOuter ring≤TOuter ring 2And I isCompressor 1<ICompressor with a compressor housing having a plurality of compressor blades≤ICompressor 2If the temperature of the outer ring is moderate and the phase current of the compressor is moderate, controlling the rotating speed of the fan assembly to be operated to a specified middle gear N02 plus a small step delta N01; when T isOuter ring 1<TOuter ring≤TOuter ring 2And I isCompressor 2<ICompressor with a compressor housing having a plurality of compressor bladesIf the temperature of the outer ring is moderate but the phase current of the compressor is large, the rotating speed of the fan assembly is controlled to be operated to a specified higher gear N03 plus a small gear delta N01, so that the current requirement on heat dissipation of components is met, and the heat dissipation capacity is improved.
Preferably, the first and second electrodes are formed of a metal,
after the fan assembly operates, if the following conditions are detected:
when T isOuter ring 2<TOuter ringAnd I isCompressor 1≥ICompressor with a compressor housing having a plurality of compressor bladesControlling the rotating speed of the fan assembly to be N01 plus delta N02;
when T isOuter ring 2<TOuter ringAnd I isCompressor 1<ICompressor with a compressor housing having a plurality of compressor blades≤ICompressor 2Controlling the rotating speed of the fan assembly to be N02 plus delta N02;
when T isOuter ring 2<TOuter ringAnd I isCompressor 2<ICompressor with a compressor housing having a plurality of compressor bladesControlling the rotating speed of the fan assembly to be N03 plus delta N02;
wherein T isOuter ring 1And TOuter ring 2Are all constant, and TOuter ring 1<TOuter ring 2,ICompressor 1And ICompressor 1Are all constant, and ICompressor 1<ICompressor 1N01, N02 and N03 are all constants, N01 < N02 < N03, delta N01 and delta N02 are normal numbers, and delta N01 < delta N02。
The sixth effective control mode is that the operation rotating speed of the fan assembly is controlled after the fan assembly operates, namely, the operation rotating speed is controlled according to the outer ring temperature and the compressor phase current IPhase currentOr compressor operating frequency FFrequency ofRespectively comparing with respective preset values to control the rotating speed of the fan assembly when T isOuter ring 2<TOuter ringAnd I isCompressor 1≥ICompressor with a compressor housing having a plurality of compressor bladesThe method comprises the steps that the outer ring temperature is high, the phase current of a compressor is low, and the rotating speed of a fan assembly is controlled to be operated to a specified minimum gear N01 plus a progressive intermediate gear delta N02; when T isOuter ring 2<TOuter ringAnd I isCompressor 1<ICompressor with a compressor housing having a plurality of compressor blades≤ICompressor 2If the outer ring temperature is proper and the phase current of the compressor is proper, controlling the rotating speed of the fan assembly to be in a specified middle gear N02 plus a progressive middle gear delta N02; when T isOuter ring 2<TOuter ringAnd I isCompressor 2<ICompressor with a compressor housing having a plurality of compressor bladesIf the outer ring temperature is high and the phase current of the compressor is high, the rotating speed of the fan assembly is controlled to be operated to a specified high gear N03 plus a gradually increased middle gear delta N02, so that the current requirement for heat dissipation of components is met, and the heat dissipation capacity is improved.
The three control modes can be summarized as follows:
2. calculating the target rotating speed of the fan assembly: outer ring temperature TOuter ringOr the tube temperature T of the heat exchanger of the external machineOuter tube
And determining the phase current I of the compressor or the running frequency F of the compressor according to the temperature T of the outer ring and the phase current I of the compressor.
Figure BDA0002436733800000121
Note: the value ranges of delta N01 and delta N02 [0,200 ]. The interval division can be a multi-segment interval, is not limited to the three-segment interval, and can be adjusted according to actual conditions.
Preferably, the first and second electrodes are formed of a metal,
after the fan assembly operates, if the following conditions are detected:
when T isOuter ring≤TOuter ring 1And I isComplete machine 1≥IComplete machineControlling the rotating speed of the fan assembly to be N001;
when T isOuter ring≤TOuter ring 1And I isComplete machine 1<IComplete machine≤IComplete machine 2Controlling the rotating speed of the fan assembly to be N002;
when T isOuter ring≤TOuter ring 1And I isComplete machine 2<IComplete machineControlling the rotating speed of the fan assembly to be N003;
wherein T isOuter ring 1、IComplete machine 1And IComplete machine 2Are all constant, and IComplete machine 1<IComplete machine 2N001, N002 and N003 are constants, and N001 < N002 < N003.
The method is a seventh effective control mode for controlling the running rotating speed of the fan assembly after the fan assembly runs, namely according to the outer ring temperature and the whole compressor IComplete machineRespectively comparing with respective preset values to control the rotating speed of the fan assembly when T isOuter ring≤TOuter ring 1And I isComplete machine 1≥IComplete machineWhen the outer ring temperature is low and the current of the compressor is low, the rotating speed of the fan assembly is controlled to be operated to a specified minimum gear N001; when T isOuter ring≤TOuter ring 1And I isComplete machine 1<IComplete machine≤IComplete machine 2If the temperature of the outer ring is low but the current of the whole compressor is moderate, controlling the rotating speed of the fan assembly to be in a specified middle gear N002; when T isOuter ring≤TOuter ring 1And I isComplete machine 2<IComplete machineAnd if the outer ring temperature is low but the current of the whole compressor is high, the rotating speed of the fan assembly is controlled to operate to a specified high gear N003, so that the current requirement for heat dissipation of components is met, and the heat dissipation capacity is improved.
Preferably, the first and second electrodes are formed of a metal,
after the fan assembly operates, if the following conditions are detected:
when T isOuter ring 1<TOuter ring≤TOuter ring 2And I isComplete machine 1≥IComplete machineThen controlling the rotation speed of the fan assembly to beN001+△N001;
When T isOuter ring 1<TOuter ring≤TOuter ring 2And I isComplete machine 1<IComplete machine≤IComplete machine 2Controlling the rotating speed of the fan assembly to be N002 plus delta N001;
when T isOuter ring 1<TOuter ring≤TOuter ring 2And I isComplete machine 2<IComplete machineControlling the rotating speed of the fan assembly to be N003 plus delta N001;
wherein T isOuter ring 1And TOuter ring 2Are all constant, and TOuter ring 1<TOuter ring 2,IComplete machine 1And IComplete machine 1Are all constant, and IComplete machine 1<IComplete machine 1N001, N002 and N003 are constants, N001 < N002 < N003, and Δ N001 is a normal number.
The method is an eighth effective control mode for controlling the running rotating speed of the fan assembly after the fan assembly runs, namely according to the outer ring temperature and the current I of the whole compressorComplete machineRespectively comparing with respective preset values to control the rotating speed of the fan assembly when T isOuter ring 1<TOuter ring≤TOuter ring 2And I isComplete machine 1≥IComplete machineIf the temperature of the outer ring is moderate but the phase current of the compressor is small, controlling the rotating speed of the fan assembly to operate to a specified minimum gear N001 plus a small gear Delta N001; when T isOuter ring 1<TOuter ring≤TOuter ring 2And I isComplete machine 1<IComplete machine≤IComplete machine 2If the temperature of the outer ring is moderate and the current of the whole compressor is moderate, the rotating speed of the fan assembly is controlled to operate to a specified middle gear N002 plus a small gear delta N001; when T isOuter ring 1<TOuter ring≤TOuter ring 2And I isComplete machine 2<IComplete machineIf the temperature of the outer ring is moderate but the current of the whole compressor is large, the rotating speed of the fan assembly is controlled to be operated to a specified higher gear N003 plus a small gear delta N001, so that the heat dissipation requirement of components at present is met, and the heat dissipation capacity is improved.
Preferably, the first and second electrodes are formed of a metal,
after the fan assembly operates, if the following conditions are detected:
when T isOuter ring 2<TOuter ringAnd I isComplete machine 1≥IComplete machineControlling the rotating speed of the fan assembly to be N001 plus delta N002;
when T isOuter ring 2<TOuter ringAnd I isComplete machine 1<IComplete machine≤IComplete machine 2Controlling the rotating speed of the fan assembly to be N002 plus delta N002;
when T isOuter ring 2<TOuter ringAnd I isComplete machine 2<IComplete machineControlling the rotating speed of the fan assembly to be N003 plus delta N002;
wherein T isOuter ring 1And TOuter ring 2Are all constant, and TOuter ring 1<TOuter ring 2,IComplete machine 1And IComplete machine 1Are all constant, and IComplete machine 1<IComplete machine 1N001, N002 and N003 are constants, N001 < N002 < N003, Δ N001 and Δ N002 are normal numbers, and Δ N001 < Δ N002.
The method is a ninth effective control mode for controlling the running rotating speed of the fan assembly after the fan assembly runs, namely according to the outer ring temperature and the current I of the whole compressorComplete machineRespectively comparing with respective preset values to control the rotating speed of the fan assembly when T isOuter ring 2<TOuter ringAnd I isComplete machine 1≥IComplete machineIf the outer ring temperature is higher but the compressor phase current is lower, controlling the rotating speed of the fan assembly to operate to a specified minimum gear N001 plus a progressive middle gear delta N002; when T isOuter ring 2<TOuter ringAnd I isComplete machine 1<IComplete machine≤IComplete machine 2If the outer ring temperature is proper and the phase current of the compressor is proper, controlling the rotating speed of the fan assembly to operate to a specified middle gear N002 plus a progressive middle gear delta N002; when T isOuter ring 2<TOuter ringAnd I isComplete machine 2<IComplete machineIf the outer ring temperature is high and the current of the whole compressor is high, the rotating speed of the fan assembly is controlled to be operated to a specified high gear N003 plus a specified middle gear delta N002, so that the heat dissipation requirement of components is met, and the heat dissipation capacity is improved.
The three control modes can be summarized as follows:
2. calculating the target rotating speed of the fan assembly: outer ring temperature TOuter ringOr the tube temperature T of the heat exchanger of the external machineOuter tube
Third, according to the temperature T of the outer ringOuter ringCurrent I of the whole machineComplete machineDetermining
Figure BDA0002436733800000141
Note: the value ranges of delta N01 and delta N02 [0,200 ]. The interval division can be a multi-segment interval, is not limited to the three-segment interval, and can be adjusted according to actual conditions.
Preferably, the first and second electrodes are formed of a metal,
when the fan assembly is detected to run to the maximum rotating speed or the fan assembly is detected to be out of work, the temperature T of the outer ring is determinedOuter ringOr outer machine heat exchanger tube temperature TOuter tubeSetting the upper limit operating frequency F of the compressorFrequency ofControl FFrequency ofAnd TOuter ringIn a stepped or linear or curved descent, or by controlling FFrequency ofAnd TOuter tubeA step-type descending or linear descending or curve descending relation.
Preferably, the first and second electrodes are formed of a metal,
when the fan assembly is detected to run to the maximum rotating speed or the fan assembly is detected to be out of work, the temperature T of the outer ring is determinedOuter ringOr outer machine heat exchanger tube temperature TOuter tubeSetting the current I of the compressorElectric currentControl IElectric currentAnd TOuter ringIn a stepped or linear or curved descent, or control IElectric currentAnd TOuter tubeA step-type descending or linear descending or curve descending relation.
The utility model discloses a fan subassembly moves maximum rotational speed or when breaking down, sets up air conditioning system operating parameter (compressor upper limit frequency, complete machine upper limit electric current etc.) according to outer loop temperature or the pipe temperature of outer quick-witted heat exchanger, can guarantee air conditioning system reliability operation.
3. When the fan assembly runs to the maximum rotating speed or the failure of the fan assembly is detected, the feedback adjustment is carried out on the integral motor current or the running frequency of the compressor in order to ensure the running reliability of the system.
According to the outer ring temperature TOuter ringOr outer machine heat exchanger tube temperature TOuter tubeSetting an upper limit operating frequency F frequency curve of the compressor, as shown in FIG. 3, wherein the upper limit frequency curve can be a step type curve, the number of steps is not limited, and is at least equal to or greater than 3; or as a linear curve, where the slope of the curve is determined by the particular experimental data. The purpose of the above curve setting is: when the rotating speed of the fan assembly reaches the maximum value or the fan assembly fails, the maximum frequency of system operation can be reduced along with the rise of the outer ring temperature or the outer tube temperature, and the temperature of components is guaranteed to be within the reliability range. Based on the outer ring temperature TOuter ringOr outer machine heat exchanger tube temperature TOuter tubeSetting the current I of the whole machineElectric currentAnd the upper limit curve is that when the rotating speed of the fan assembly reaches the maximum value or the fan assembly fails, the current of the whole machine in system operation can be reduced along with the rise of the outer ring temperature or the outer pipe temperature, and the temperature of components is ensured to be within the reliability range.
The utility model also provides an air conditioner, it includes aforementioned controller radiator unit.
The utility model discloses a set up the fan in the inside cavity of radiating fin, can follow the inside suction of radiating fin or blow off the air current, can reduce the local high temperature point of components and parts, make the surface that radiating fin can flow through to the air more greatly area, the heat transfer utilization ratio of fin has been improved, radiating fin's fin heat exchange efficiency has been strengthened effectively, air conditioner frequency conversion controller components and parts temperature is on the high side has effectively been solved, the problem of components and parts temperature inequality and inconsistency, reinforcing air and fin, the heat transfer between air and the heat pipe element, there is obvious advantage to control components and parts's temperature rise.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A controller radiator unit which characterized in that: the method comprises the following steps:
radiating basal plate (3), radiating fin (2) and fan subassembly (1), one side of radiating basal plate (3) sets up with the laminating of heating element and device (4), the opposite side of radiating basal plate (3) is provided with radiating fin (2), radiating fin (2) have a plurality ofly, and a plurality of radiating fin (2) are formed with cavity (20) at its inside, fan subassembly (1) set up in the inside of radiating fin (2) in cavity (20), through control the fan subassembly open or close and/or control the rotational speed size when fan subassembly opens and control the heat dissipation of heating element and device.
2. The controller heat sink assembly of claim 1, wherein:
the plurality of heat dissipation fins (2) are arranged in a fin arrangement which is radially diverged from the middle towards the outer diameter, and the cavity (20) for accommodating the fan assembly (1) is formed in the middle.
3. The controller heat sink assembly of claim 1, wherein:
radiating fin (2) are platelike structure, and are a plurality of radiating fin (2) are the multilayer plate structure of range upon range of setting, and every radiating fin (2) middle part all is provided with the hole, and is a plurality of the plate structure the hole superpose, form and hold fan subassembly (1) cavity (20).
4. The controller heat sink assembly of any of claims 1-3, wherein:
still include heat pipe (5), radiating basal plate (3) set up in the lower extreme of radiating fin (2), heat pipe (5) set up radiating basal plate (3) with between radiating fin (2), just the lower extreme of heat pipe with radiating basal plate connects the upper end of heat pipe with radiating fin connects.
5. The controller heat sink assembly of claim 4, wherein:
the heat pipe (5) is U-shaped and comprises a first section (51), a second section (52) and a third section (53) which are sequentially connected, the second section (52) is arranged between the heat dissipation base plate (3) and the heat dissipation fins (2), the first section (51) upwards extends to the free end of the first section (51) from the position connected with the second section (52), and the third section (53) upwards extends to the free end of the third section (53) from the position connected with the second section (52).
6. The controller heat sink assembly of claim 4, wherein:
the heat pipes (5) are arranged in a plurality, and the heat pipes (5) are arranged at intervals along the length direction or the width direction of the heat dissipation substrate (3).
7. The controller heat sink assembly of any of claims 1-3, wherein:
the fan assembly (1) comprises at least one of an axial flow fan, a centrifugal fan and a counter-rotating fan.
8. An air conditioner, characterized in that: comprising the controller heat sink assembly of any of claims 1-7.
CN202020472617.4U 2020-04-02 2020-04-02 Controller radiating assembly and air conditioner Active CN212005989U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020472617.4U CN212005989U (en) 2020-04-02 2020-04-02 Controller radiating assembly and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020472617.4U CN212005989U (en) 2020-04-02 2020-04-02 Controller radiating assembly and air conditioner

Publications (1)

Publication Number Publication Date
CN212005989U true CN212005989U (en) 2020-11-24

Family

ID=73404800

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020472617.4U Active CN212005989U (en) 2020-04-02 2020-04-02 Controller radiating assembly and air conditioner

Country Status (1)

Country Link
CN (1) CN212005989U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111397002A (en) * 2020-04-02 2020-07-10 珠海格力电器股份有限公司 Controller radiating assembly, control method and air conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111397002A (en) * 2020-04-02 2020-07-10 珠海格力电器股份有限公司 Controller radiating assembly, control method and air conditioner
CN111397002B (en) * 2020-04-02 2024-02-02 珠海格力节能环保制冷技术研究中心有限公司 Controller heat dissipation assembly, control method and air conditioner

Similar Documents

Publication Publication Date Title
CN106871380A (en) The protective device for preventing overheat and method of power device in air-conditioner and air-conditioner
CN212005989U (en) Controller radiating assembly and air conditioner
CN106765563A (en) Air conditioner energy saving control method
US7934540B2 (en) Integrated liquid cooling unit for computers
CN112303853B (en) Control method of air suction type air conditioner
JP5858777B2 (en) Air conditioner
CN107355914B (en) Air conditioner heat dissipation structure parameter determination method and air conditioner heat dissipation structure
CN111397002B (en) Controller heat dissipation assembly, control method and air conditioner
US20150275908A1 (en) Centrifugal compressor inlet guide vane control
CN205909522U (en) All -in -one heat pump water heater
CN106765908A (en) Air conditioner energy saving control method
US11177487B2 (en) Power supply apparatus for vehicle
CN215983133U (en) Air conditioner
CN112993436B (en) Vehicle battery cooling system and vehicle
JP2002285992A (en) Vacuum pump
JP2002235993A (en) Spiral fin tube and refrigeration air conditioning device
CN108106177A (en) A kind of automated variable flow and with internal tooth inner wall flat tube Overcold parallel flow condenser
US20150114018A1 (en) Viscous heater for heat pump system
JP6263895B2 (en) Engine cooling system
CN207963234U (en) A kind of band internal tooth inner wall flat tube variable flow Overcold parallel flow condenser
CN111396997A (en) Outdoor machine of air conditioner
CN107197610A (en) A kind of heat sink arrangement for being layered cooling
CN116518581B (en) Cold air system
CN219014713U (en) Evaporator frosting quantity adjusting component, evaporator and heat exchange equipment
CN112768803B (en) Air-cooled battery thermal management method

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant