WO2023016252A1 - 电控盒、空调室外机和空调器 - Google Patents

电控盒、空调室外机和空调器 Download PDF

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Publication number
WO2023016252A1
WO2023016252A1 PCT/CN2022/108031 CN2022108031W WO2023016252A1 WO 2023016252 A1 WO2023016252 A1 WO 2023016252A1 CN 2022108031 W CN2022108031 W CN 2022108031W WO 2023016252 A1 WO2023016252 A1 WO 2023016252A1
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WO
WIPO (PCT)
Prior art keywords
electric control
heat dissipation
plate
fan
control box
Prior art date
Application number
PCT/CN2022/108031
Other languages
English (en)
French (fr)
Inventor
王国春
宋凯权
徐安
罗华东
陈廷波
李宏伟
Original Assignee
广东美的暖通设备有限公司
合肥美的暖通设备有限公司
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
Priority claimed from CN202121839215.4U external-priority patent/CN215412220U/zh
Priority claimed from CN202121839197.XU external-priority patent/CN215412223U/zh
Priority claimed from CN202110904558.2A external-priority patent/CN115704582A/zh
Application filed by 广东美的暖通设备有限公司, 合肥美的暖通设备有限公司 filed Critical 广东美的暖通设备有限公司
Priority to KR1020237039781A priority Critical patent/KR20240028977A/ko
Priority to AU2022326662A priority patent/AU2022326662A1/en
Priority to BR112023025044A priority patent/BR112023025044A2/pt
Priority to JP2023572943A priority patent/JP2024520036A/ja
Priority to CA3219926A priority patent/CA3219926A1/en
Publication of WO2023016252A1 publication Critical patent/WO2023016252A1/zh

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/20Electric components for separate outdoor units
    • F24F1/22Arrangement or mounting thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/20Electric components for separate outdoor units
    • F24F1/24Cooling of electric components
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • H05K7/20145Means for directing air flow, e.g. ducts, deflectors, plenum or guides
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • H05K7/20172Fan mounting or fan specifications

Definitions

  • the present application relates to the technical field of air conditioners, in particular to an electric control box, an air conditioner outdoor unit and an air conditioner.
  • An air conditioner is a device that uses manual means to adjust and control the temperature, humidity, flow rate and other parameters of the ambient air in a building or structure.
  • the air conditioner usually includes an electric control box, and electronic components such as filters and reactors are arranged in the electric control box.
  • electronic components such as filters and reactors are arranged in the electric control box.
  • the heat generated when the electronic components work will cause the temperature of the electronic components to rise, affecting the working stability of the electronic components.
  • the main purpose of this application is to provide an electric control box, an air conditioner outdoor unit and an air conditioner, which are used to improve the working reliability of electronic components.
  • an electric control box which includes a box body and a mounting plate arranged in the box body, a first fan and a plurality of electronic components are arranged on the mounting side of the mounting plate, and the first fan is used to form The first heat dissipation airflow flowing along the first heat dissipation path, the first heat dissipation airflow passes through the inner wall of the box and turns to form the second heat dissipation airflow flowing along the second heat dissipation path; multiple electronic components are distributed between the first heat dissipation path and the second heat dissipation path. on the heat dissipation path, and the first heat dissipation path and the second heat dissipation path are located on the mounting side of the mounting board.
  • the beneficial effects of the present application are: by setting the first fan, a first heat dissipation airflow flowing along the first heat dissipation path is formed, and the first heat dissipation airflow is turned through the inner wall of the box to form a second heat dissipation airflow flowing along the second heat dissipation path; By distributing a plurality of electronic components in the first heat dissipation path and the second heat dissipation path, the heat generated by the electronic components can be taken away by the first heat dissipation airflow and the second heat dissipation airflow, and the temperature of the electronic components during operation In a reliable temperature range, the electronic components have high working stability.
  • first heat dissipation path and the second heat dissipation path are sequentially connected from head to tail to form a circular heat dissipation path.
  • the installation board divides the space in the box into a first chamber and a second chamber, and a plurality of electronic components are arranged in the first chamber; a heat exchanger is arranged in the second chamber.
  • the mounting plate is provided with a first air return port and a second air return port penetrating through the mounting plate, and the first air return port is located at the head end of the first heat dissipation path, and the second air return port is located at the tail end of the second heat dissipation path.
  • the inlet of the first fan communicates with the first air return port, and the outlet of the first fan is opposite to the head end of the first heat dissipation path.
  • the mounting plate is a rectangular plate
  • the first air return port is located at the first corner of the rectangular plate
  • the second air return port is located at the second corner of the rectangular plate
  • the second corner and the first corner are located at the same opposite corner of the rectangular plate both ends of the line.
  • the number of the second air return port is multiple, and the plurality of second air return ports are arranged at intervals along the first side of the mounting plate; the first air return port is arranged on the second side of the mounting plate, and the first side and the second side relative settings.
  • the electric control box further includes a second fan, and the second fan is arranged on the first heat dissipation path or the second heat dissipation path.
  • the second fan is arranged at the head end of the second heat dissipation path.
  • the second fan is arranged at the tail end of the second heat dissipation path; the air outlet directions of the first fan and the second fan do not intersect, and the second fan is used to form a third heat dissipation airflow flowing along the third heat dissipation path.
  • the plurality of electronic components provided on the installation side of the installation board include filters and reactors, and the filters and reactors are distributed on the first heat dissipation path.
  • box body is a sealed box body.
  • the present application also provides an outdoor unit of an air conditioner, including the electric control box of any one of the above technical solutions.
  • the present application also provides an air conditioner, including the air conditioner outdoor unit of any one of the above technical solutions.
  • Fig. 1 is a structural schematic diagram 1 of an electric control box according to an embodiment of the present application.
  • Fig. 2 is the structural schematic diagram II of the electric control box of the embodiment of the present application.
  • Fig. 3 is a structural schematic diagram 3 of the electric control box of the embodiment of the present application.
  • Fig. 4 is a schematic diagram 4 of the structure of the electric control box according to the embodiment of the present application.
  • Fig. 5 is a schematic diagram five of the structure of the electric control box according to the embodiment of the present application.
  • Fig. 6 is a schematic diagram of the sixth structure of the electric control box of the embodiment of the present application.
  • FIG. 7 is a schematic structural view of a mounting plate in an embodiment of the present application.
  • Fig. 8 is an exploded view of the electric control box of the embodiment of the present application.
  • Fig. 9 is a structural schematic diagram VII of the electric control box of the embodiment of the present application.
  • Fig. 10 is another schematic structural view of the electric control box of the embodiment of the present application.
  • Fig. 11 is another structural schematic diagram II of the electric control box according to the embodiment of the present application.
  • Fig. 12 is a schematic structural diagram of the air duct partition of the electric control box of the embodiment of the present application.
  • Fig. 13 is a partial view of position A in Fig. 12;
  • Fig. 14 is an exploded schematic diagram of the electric control box of the embodiment of the present application after removing the box cover;
  • Fig. 15 is a schematic structural diagram of an electric control module assembly of an electric control box according to an embodiment of the present application.
  • FIG. 16 is a schematic structural diagram of a heat dissipation plate according to an embodiment of the present application.
  • FIG. 17 is a schematic structural diagram of an outdoor unit of an air conditioner according to an embodiment of the present application.
  • electronic components are arranged inside the electric control box, and the electronic components can be filters, reactors, etc., and the electronic components will generate heat during use, resulting in a higher temperature of the electronic components, and then Reduce the working reliability of electrical components, for this reason, it is necessary to cool down the electronic components.
  • the electric control box of the embodiment of the present application is provided with a first fan, and the first fan is used to form a first heat dissipation airflow.
  • the first heat dissipation airflow and the second heat dissipation airflow take away heat from the electronic components, thereby cooling down the temperature of the electronic components, so that the electronic components have high operating reliability.
  • the electric control box in the embodiment of the present application may be, for example, a closed electric control box. This can prevent water droplets, dust and other foreign matter from entering the electric control box, causing damage to the electronic components in the electric control box, and achieve the effects of waterproof, dustproof and corrosion resistance.
  • an embodiment of the present application provides an electric control box, which includes a box body 100 , a mounting plate 200 , a first fan 300 and electronic components 400 .
  • the installation board 200 and the first fan 300 are disposed inside the box body 100 , and the box body 100 is used to protect the installation board 200 and the first fan 300 .
  • the installation board 200 is used for installing the first fan 300 and the electronic components 400 .
  • the first fan 300 is used to drive the air in the box body 100 to form a first cooling air flow.
  • the first heat dissipation airflow formed by the first fan 300 flows along the first heat dissipation path a, and when the first heat dissipation airflow flows to the inner wall of the box body 100, the first heat dissipation airflow turns and forms the second heat dissipation airflow , the second heat dissipation airflow flows along the second heat dissipation path b.
  • the included angle between the first heat dissipation path a and the second heat dissipation path b may be any non-zero angle, such as 60° as shown in FIG. 1 .
  • the electronic component 400 is provided on the mounting side of the mounting board 200 .
  • the electronic component 400 can be mounted on the mounting side of the mounting board 200 by screwing, and in other embodiments, the electronic component 400 can be mounted on the mounting side of the mounting board 200 by welding.
  • the first heat dissipation air flow flowing on the first heat dissipation path a will take away the heat generated by the electronic components 400 arranged on the first heat dissipation path a, and then the electronic components 400 disposed on the first heat dissipation path a Cool down.
  • the second heat dissipation air flow flowing on the second heat dissipation path b will take away the heat generated by the electronic components 400 arranged on the second heat dissipation path b when they are in operation, and then heat the electronic components 400 disposed on the second heat dissipation path b Cool down.
  • the first fan 300 is provided, and the first fan 300 is used to form the first heat dissipation airflow flowing along the first heat dissipation path a, and the first heat dissipation airflow flows to the inner wall of the box body 100 and then flows in the direction Change and turn to form a second heat dissipation airflow flowing along the second heat dissipation path b, and use the first heat dissipation airflow and the second heat dissipation airflow to work the electronic components 400 arranged on the first heat dissipation path a and the second heat dissipation path b
  • the heat generated during the operation is taken away, so that the temperature of the electronic component 400 is within a reliable temperature range, and the working reliability of the electronic component 400 is improved.
  • the first heat dissipation path a and the second heat dissipation path b are communicated from head to toe in sequence, and the first heat dissipation path a and the second heat dissipation path b form a circulating heat dissipation path.
  • the circulation heat dissipation path is located in the box body 100, the end of the first heat dissipation airflow flowing on the circulation heat dissipation path is connected to the head end of the second heat dissipation airflow, and the head end of the first heat dissipation path a flowing on the circulation heat dissipation path is connected to the second heat dissipation path a.
  • both the first heat dissipation airflow and the second heat dissipation airflow exchange heat with the electronic component 400 and the box body 100 , thus displacing the heat generated by the electronic component 400 to the outside of the box body 100 .
  • first heat dissipation path a and the second heat dissipation path b may not form a circulation path, and in this embodiment, the first heat dissipation airflow and the second heat dissipation airflow also do not form a circulation airflow.
  • the mounting board 200 divides the space in the box body 100 into a first chamber 110 and a second chamber 120, and a plurality of electronic components 400 are arranged in the first chamber 110, The first cooling airflow and the second cooling airflow are located in the first chamber 110 , and the second chamber 120 is provided with a heat exchanger 500 .
  • the installation board 200 is provided with a first air return port 210 and a second air return port 220 .
  • the shape and size of the first air return port 210 are not specifically limited.
  • the first air return port 210 is a through hole, and both ends of the first air return port 210 communicate with the first chamber 110 and the second chamber 120 .
  • the shape and size of the second air return port 220 are not specifically limited.
  • the second air return port 220 is a through hole, and both ends of the second air return port 220 communicate with the first chamber 110 and the second chamber 120 .
  • the first air return port 210 is located at the head end of the first heat dissipation path a
  • the second air return port 220 is located at the tail end of the second heat dissipation path b.
  • the first fan 300 drives the air in the second chamber 120 into the first chamber 110 through the first air return port 210, and forms a first heat dissipation airflow flowing along the first heat dissipation path a , the first cooling air flows through the inner wall of the box body and turns to form the second cooling air flow along the second cooling path b, and the second cooling air flows into the first chamber 110 through the second air return port 220, thus forming a
  • the circulation air flow inside the body 100, and the circulation air flow circulates in the first chamber 110 and the second chamber 120.
  • the first heat dissipation airflow and the second heat dissipation airflow in the first chamber 110 exchange heat with the electronic components 400 in the first chamber 110, displacing the heat generated by the electronic components 400 during operation to the first chamber 110 In the first heat dissipation airflow and the second heat dissipation airflow.
  • the air in the second chamber 120 exchanges heat with the heat exchanger 500 , the heat carried by the air in the second chamber 120 is replaced by the refrigerant in the heat exchanger 500 , and the refrigerant flows out of the box body 100 , thus,
  • the heat generated when the electronic component 400 works is replaced to the outside of the box body 100 .
  • the heat exchanger in this application may be a microchannel heat exchanger.
  • a microchannel heat exchanger includes at least two sets of microchannels. At least two groups of microchannels include a plurality of first microchannels for the flow of the first refrigerant flow and a plurality of second microchannels for the flow of the second refrigerant flow, and the second refrigerant flow absorbs heat from the first refrigerant flow, so that the first The refrigerant flow is supercooled, or the first refrigerant flow absorbs heat from the second refrigerant flow so that the second refrigerant flow is supercooled.
  • the microchannel heat exchanger of the embodiment of the present application can also be used as an economizer of an air conditioner.
  • the micro-channel heat exchanger can not only be used to cool the electronic components in the electric control box, but also can be used as an economizer, so that an economizer can be avoided outside the electric control box, the structure of the air conditioner can be simplified, and space can be saved. cut costs.
  • the box body 100 includes a box body 130 and a box cover 140
  • the box body 130 includes a bottom plate 131 and side plates 132 provided on the edge of the bottom plate 131
  • the bottom plate 131 and the side plates 132 enclose a
  • the box cover 140 is provided on the box body 130 to close the opening of the chamber.
  • the bottom plate 131 can be a rectangular plate as shown in Figure 8
  • the side plate 132 can be a rectangular ring
  • the lid 140 can be a rectangular plate as shown in Figure 8
  • the box body 130 and the lid 140 enclose a rectangular box .
  • the shape of the mounting plate 200 may be a rectangle as shown in FIG. 7 , and the mounting plate 200 may be arranged in the box body 100 through screw threading, clamping, welding and other connection methods.
  • the edge of the mounting plate 200 can be provided with a bent plate, the bent plate is provided with a mounting hole, the box body 100 is provided with a fixed plate, the fixed plate can be an L-shaped plate, one end of the fixed plate is welded to the box body 100, and the fixed plate The other end is provided with matching holes, and the mounting holes on the bending plate and the matching holes on the fixing plate are arranged correspondingly.
  • the mounting plate 200 can be fixed on the box body 100 Inside.
  • the number of second air return ports 220 provided on the mounting plate 200 is multiple, and the plurality of second air return ports 220 are distributed along the first side of the mounting plate 200 and arranged at intervals.
  • the air return port 210 is disposed on the second side of the mounting plate 200, and the first side is opposite to the second side.
  • the first side is the upper side of the mounting plate
  • the second side is the lower side of the mounting plate
  • the first air return port 210 is arranged at one end of the first side
  • the second air return port is arranged at the second side.
  • the entire edge of both sides can increase the contact area between the air entering the second chamber 120 from the first chamber 110 and the heat exchanger 500 , thereby increasing the contact area between the air in the second chamber 120 and the heat exchanger 500 The efficiency of heat exchange is increased.
  • the mounting plate 200 is a rectangular plate
  • the first air return port 210 is located at a first corner of the rectangular plate
  • the second air return port 220 is located at a second corner of the rectangular plate
  • the second corner and the first corner Located at both ends of the same diagonal line of the rectangular plate, in this way, the air in the first chamber 110 can also enter the second chamber 120 through the second air return port 220, and the air in the second chamber 120 can pass through the second A return air outlet 210 enters into the first chamber 110 .
  • the first fan 300 will be described in detail below with reference to the accompanying drawings.
  • the first fan 300 on the mounting plate 200 may be one of a centrifugal fan, an axial fan, and a cross-flow fan.
  • the first fan 300 may be an axial fan. It can be understood that for those skilled in the art, changing the first fan 300 to a centrifugal fan or a cross-flow fan is a conventional replacement.
  • the casing of the first fan 300 is fixed on the mounting plate 200 by screw thread, the inlet of the first fan 300 communicates with the first air return port 210 of the mounting plate 200, the outlet of the first fan 300 It is opposite to the head end of the first heat dissipation path a.
  • the first fan 300 sucks the air in the second chamber 120 into the first chamber 110 to form a first cooling airflow in the first chamber 110 .
  • the reactance box also includes a second fan 800, which will be described in detail below with reference to the accompanying drawings.
  • the second fan 800 is arranged on the mounting plate 200, and the second fan 800 is located in the first chamber 110, and the second fan 800 is arranged on the first heat dissipation path a or the second heat dissipation path b .
  • the second fan 800 may be one of a centrifugal fan, an axial fan, and a cross-flow fan.
  • the second fan 800 is arranged at the head end of the second heat dissipation path b, the first heat dissipation path a is for example along the upper long side of the box body 100 shown in FIG. 1 , and the second heat dissipation path b is for example along the Referring to the right short side of the box body 100 shown in FIG. 1 , the head end of the second heat dissipation path b is, for example, the upper right corner of the box body 100 shown in FIG. 1 .
  • the second fan 800 may be, for example, a cross-flow fan.
  • the second fan 800 is arranged at the tail end of the second heat dissipation path b, the air outlet directions of the first fan 300 and the second fan 800 do not intersect, and the second fan 800 is used to form c
  • the third cooling airflow flowing, the second fan is, for example, a centrifugal fan.
  • the third heat dissipation path c is, for example, along the lower long side of the box body 100 shown in FIG. 2 .
  • the air outlet directions of the first fan 300 and the second fan 800 do not conflict, and the air outlet directions of the first fan 300 and the second fan 800 are opposite or relatively inclined.
  • the second fan 800 blows downward, and for another example, the first fan 300 blows right and the second fan 800 blows left, and the outlet of the first fan 300 and the outlet of the second fan 800 are staggered.
  • the second fan 800 can cooperate with the first fan 300 to regulate the flow velocity and air volume of the air in the box body 100, so that the heat exchange efficiency between the air in the first chamber 110 and the electronic components 400 in the first chamber 110 increase, the heat generated when the electronic component 400 is working is taken away in time, and the working stability of the electronic component 400 is increased.
  • the electronic component 400 will be described below with reference to the accompanying drawings.
  • the plurality of electronic components 400 are divided into a first component group and a second component group, and the first component group and the second component group are arranged along the width direction of the box body 100 .
  • the first component group is disposed close to the upper side of the box body 100
  • the second component group is disposed close to the lower side of the box body 100 .
  • the number of electronic components 400 included in the first component group is not specifically limited, and may be one, two, three, and so on.
  • the number of the first component group is three, the three electronic components 400 in the first component group are arranged at intervals along the first heat dissipation path a.
  • the first component group may include a reactor 410 and a filter 420, the number of the reactor 410 may be two, and the filter 420 and the reactor 410 are arranged along the first cooling air flow.
  • the flow direction is arranged at intervals, and the filter 420 is arranged upstream of the reactor 410 .
  • the filter 420 and the reactor 410 are arranged along the length direction of the box body 100 shown in FIG. end of path a.
  • the number of electronic components 400 included in the second component group is not specifically limited, and may be one, two, three, and so on.
  • the number of the second component group is four, the four electronic components 400 in the second component group are arranged at intervals along the second heat dissipation path b.
  • the electric control box further includes an expansion board 600 and an electric control module assembly 700 , the number of the electric control module assembly 700 can be two, and the expansion board 600 and the electric control module assembly 700 are located in the box body 100 Inside, and the expansion board 600 and the electronic control module assembly 700 are located in the first chamber 110 .
  • the second component group includes an expansion board 600 and an electric control module assembly 700, and the expansion board 600 and the electric control module assembly 700 are circuit boards.
  • the expansion board 600 and the electric control module assembly 700 are arranged at intervals along the second heat dissipation path b, the arrangement direction of the expansion board 600 and the electric control module assembly 700 is parallel to the length direction of the box body 100 shown in FIG.
  • the filter 420 is arranged oppositely, and the electronic control module assembly 700 is arranged oppositely to the reactor 410 . As shown in FIG. 5 and FIG. 6 , in the width direction of the box body 100 , the filter 420 protrudes toward the expansion board 600 relative to the reactor 410 .
  • the heat exchanger 500 will be described below with reference to the accompanying drawings.
  • part of the structure of the heat exchanger 500 is located inside the box body 100 , and the part of the heat exchanger 500 outside the box body 100 communicates with the condenser outside the electric control box.
  • There is a flowing refrigerant inside the heat exchanger 500 and the refrigerant circulates in the heat exchanger 500 and the condenser.
  • the heat exchanger 500 may be disposed inside the second chamber 120, and the heat exchanger 500 may exchange heat with the air flowing from the first chamber 110 to the second chamber 120, and from the first chamber 110 to the second chamber.
  • the air in the chamber 120 is the air after exchanging heat with the electronic components 400 in the first chamber 110.
  • the heat exchanger 500 exchanges heat with the air flowing from the first chamber 110 to the second chamber 120
  • the The heat carried by the air flowing from the chamber 110 to the second chamber 120 is replaced by the refrigerant in the heat exchanger 500 , and the refrigerant flows into the condenser.
  • the condenser is located outside the box body 100 . In this way, the heat generated by the electronic components 400 is replaced to the outside of the box body 100 .
  • the heat exchanger 500 generally includes a refrigerant heat exchange part 510, the refrigerant heat exchange part 510 is provided with an inlet and an output port, the refrigerant enters the interior of the refrigerant heat exchange part 510 through the inlet, and the refrigerant passes through the output port The refrigerant flows from the inside of the refrigerant heat exchange part 510 to the outside of the refrigerant heat exchange part 510 .
  • the refrigerant heat exchange part 510 is arranged in the second chamber 120, the refrigerant circulates inside the refrigerant heat exchange part 510, the air flowing from the first chamber 110 into the second chamber 120 contacts the refrigerant heat exchange part 510, and the refrigerant exchanges
  • the heat exchange between the heat part 510 and the air in the second chamber 120 , the heat carried by the air in the second chamber 120 is replaced by the refrigerant inside the refrigerant heat exchange part 510 , and the refrigerant carrying the heat flows through the box body 100
  • the heat carried in the refrigerant in the condenser is replaced into the air outside the box body 100, so that the heat generated when the electronic components 400 are working is replaced into the air outside the box body 100, so that The electronic component 400 works reliably.
  • the heat exchanger 500 further includes a refrigerant inlet pipe 520 and a refrigerant outlet pipe 530 .
  • the first end of the refrigerant inlet pipe 520 communicates with the inlet of the refrigerant heat exchange part 510, the second end of the refrigerant inlet pipe 520 is located outside the box body 100, and the second end of the refrigerant inlet pipe 520 communicates with the condenser; the refrigerant output
  • the first end of the tube 530 communicates with the output port of the refrigerant heat exchange part 510, the second end of the refrigerant output tube 530 is located outside the box body 100, and the refrigerant output tube 530 communicates with the condenser, so that the heat exchanger 500 is realized. It communicates with the condenser outside the box body 100 .
  • the electric control box in the embodiment of the present application may be set on an air conditioner, for example, on an air conditioner outdoor unit of a central air conditioner.
  • the condenser connected to the second end of the refrigerant output pipe 530 and the second end of the refrigerant inlet pipe 520 can be a condenser of a central air conditioner.
  • the refrigerant in the working process of the central air conditioner can be used to realize the communication between the refrigerant and the inside of the electric control box. Air heat exchange, and then make the refrigerant replace the heat generated by the electronic components 400 to the outside of the electric control box.
  • the box body 100 is provided with a first through hole 133 and a second through hole 134 .
  • a first sealing ring is provided between the refrigerant inlet pipe 520 and the box body 100 , and the first sealing ring is used for introducing the refrigerant into the gap between the refrigerant inlet pipe 520 and the hole wall of the first through hole 133 . seal between.
  • a second sealing ring is provided between the refrigerant output pipe 530 and the box body 100 , and the second sealing ring is used to seal the air inlet between the refrigerant output pipe 530 and the hole wall of the second through hole 134 . In this way, liquids such as rainwater outside the electric control box can be prevented from entering the interior of the electric control box through the first through hole 133 and the second through hole 134 , so that the use safety of the electronic component 400 is high.
  • Fig. 10 is another structural schematic diagram of the electric control box of the embodiment of the present application
  • Fig. 11 is another structural schematic diagram of the electric control box of the embodiment of the present application
  • Fig. 12 is the wind of the electric control box of the embodiment of the present application
  • Schematic diagram of the structure of the road partition Figure 13 is a partial view of position A in Figure 12 .
  • the electric control box of the embodiment of the present application includes a box body 100 , a mounting plate 200 , a first fan 300 and an air duct partition 150 .
  • An installation space is formed in the box body 100, and the installation space can be used to set the installation plate 200, the first fan 300 and the air duct partition 150, and the box body 100 can be arranged on the installation plate 200 and the air duct partition 150 in the installation space. and the first fan 300 etc. for protection.
  • the mounting plate 200 is located in the box body 100, and the mounting plate 200 is provided with a plurality of electronic components 400;
  • the box body 100 encloses a cooling air duct 160 , and at least some of the electronic components 400 are located in the cooling air duct 160 .
  • the first fan 300 is used to drive air to flow in the cooling air duct 160 to form a first heat dissipation air flow, and the first heat dissipation air flow exchanges heat with the electronic components 400 located in the cooling air duct 160 , and then takes away the air in the cooling air duct 160 The heat generated when the electronic component 400 works.
  • the cooling air duct 160 is enclosed by the air duct partition 150, the mounting plate 200 and the box body 100, and the air is driven by the first fan 300 to flow in the cooling air duct to form a first cooling air flow;
  • the first heat dissipation airflow contacts and exchanges heat with the electronic components 400 located in the cooling air duct 160, and the first heat dissipation airflow takes away the heat generated by the electronic components 400 in the cooling air duct 160 during operation, reducing the temperature of the electronic components.
  • the temperature of 400 increases the working reliability of the electronic component 400 .
  • the first fan 300 is also used to form a second heat dissipation airflow.
  • the second heat dissipation airflow is located outside the cooling air duct 160 .
  • the first heat dissipation airflow and the second heat dissipation airflow are connected in sequence to form a circulating airflow.
  • Both the second heat dissipation airflow and the first heat dissipation airflow are located on both sides of the air duct partition 150 .
  • the mounting plate 200 divides the chamber in the box body 100 into a first chamber 110 and a second chamber 120 .
  • the first fan 300 , a plurality of electronic components 400 and the air duct partition 150 are arranged in the first chamber 110 , and the heat exchanger 500 is arranged in the second chamber 120 .
  • both the first heat dissipation airflow and the second heat dissipation airflow can be located in the first chamber 110 , at this time, a circulating airflow can be formed in the first chamber 110 .
  • the second heat dissipation airflow is located in the second chamber 120
  • the first heat dissipation airflow is located in the first chamber 110
  • the first end of the first heat dissipation airflow communicates with the first end of the second heat dissipation airflow
  • the second end of the first cooling air flow communicates with the second end of the second cooling air flow.
  • the mounting plate 200 is provided with a first air return port 210 and a second air return port 220 passing through it, the first air return port 210 communicates with the inlet of the first fan 300, and the outlet of the first fan 300 communicates with the cooling air.
  • the first end of the channel 160 is connected, and the second air return port 220 is arranged at the tail end of the cooling air channel 160 ; the second cooling air flow connecting the first air return port 210 and the second air return port 220 is formed in the second chamber 120 .
  • the first air return port 210 and the second air return port 220 can circulate the first heat dissipation airflow in the first chamber 110 and the second heat dissipation airflow in the second chamber 120 to form a circulating airflow.
  • the first heat dissipation airflow takes away the heat generated by the electronic components in the first chamber 110, and enters into the second chamber 120 through the second air return port 220, the second heat dissipation airflow and
  • the heat exchanger 500 located inside the second chamber 120 performs heat exchange, and enters the first chamber 110 through the first air return port 210, and the first heat dissipation airflow and the second heat dissipation airflow circulate, so that the electronic components 400 work
  • the heat generated during the process is replaced into the refrigerant in the heat exchanger 500, and the refrigerant in the heat exchanger 500 flows to the outside of the electric control box and drives the heat outside the electric control box. In this way, the temperature of the electronic components 400 can be reduced.
  • the working reliability of the electronic component 400 is improved.
  • the electric control box of the embodiment of the present application takes a plane perpendicular to the extending direction of the cooling air duct 160 as a section, and the cross-sectional area of the cooling air duct 160 can always remain constant in the direction of air flow in the cooling air duct 160 .
  • the cross-sectional area of the cooling air duct 160 can also change in the flow direction of the air in the cooling air duct 160, for example, the cross-sectional area of the cooling air duct 160 gradually decreases in the flow direction of the air in the cooling air duct 160
  • the cross-sectional area of the middle part of the cooling air duct 160 is larger than the cross-sectional area of both ends of the cooling air duct 160 .
  • the box body 100 will be described in detail below with reference to the accompanying drawings.
  • the box body 100 comprises a box body 130 and a lid 140
  • the box body 130 comprises a bottom plate 131 and a side plate 132 arranged on the edge of the bottom plate 131
  • the bottom plate 131 and the side plate 132 enclose a chamber with an opening
  • the lid 140 covers Provided on the box body 130 to close the opening of the chamber.
  • the box body 100 formed by the box body 130 and the box cover 140 is an airtight casing.
  • the bottom plate 131 can be a rectangular plate
  • the side plate 132 can be a rectangular ring
  • the box cover 140 can be a rectangular plate
  • the box body 130 and the box cover 140 enclose a rectangular box.
  • the box body 100 is provided with a first through hole 133 and a second through hole 134, the first through hole 133 is equipped with a refrigerant inlet pipe 520 described below, and the second through hole 134 is equipped with a refrigerant output pipe 530 described below .
  • the shape of the mounting plate 200 may be a rectangle, and the mounting plate 200 may be arranged in the box body 100 through connection methods such as threading, clamping, and welding.
  • the edge of the mounting plate 200 can be provided with a bent plate, the bent plate is provided with a mounting hole, the box body 100 is provided with a fixed plate, the fixed plate can be an L-shaped plate, one end of the fixed plate is welded to the box body 100, and the fixed plate The other end is provided with matching holes, and the mounting holes on the bending plate and the matching holes on the fixing plate are arranged correspondingly.
  • the mounting plate 200 can be fixed on the box body 100 Inside.
  • the number of the second air return port 220 provided on the mounting plate 200 is multiple, and the plurality of second air return ports 220 are distributed along the first side of the mounting plate 200 and arranged at intervals, and the first air return port 210 is arranged on the first side of the mounting plate 200
  • Two sides, the first side and the second side are arranged oppositely.
  • the first side is the upper side of the installation board
  • the second side is the lower side of the installation board
  • the first air return port 210 is provided at one end of the first side
  • the second air return port is provided at the entire edge of the second side.
  • Such a design can increase the contact area between the air entering the second chamber 120 from the first chamber 110 and the heat exchanger 500 , thereby increasing the contact area between the air in the second chamber 120 and the heat exchanger 500 The efficiency of heat exchange is increased.
  • the heat exchanger 500 will be described in detail below with reference to the accompanying drawings.
  • the heat exchanger 500 generally includes a refrigerant heat exchange part 510.
  • the refrigerant heat exchange part 510 is provided with an inlet and an output port. The inside of the refrigerant flows outside of the heat exchange portion 510 .
  • the heat exchanger 500 also includes a refrigerant inlet pipe 520 and a refrigerant outlet pipe 530.
  • the first end of the refrigerant inlet pipe 520 is located inside the electric control box, and the first end of the refrigerant inlet pipe 520 communicates with the inlet of the refrigerant heat exchange part 510.
  • the first end of the refrigerant output pipe 530 is located inside the electric control box, the first end of the refrigerant output pipe 530 communicates with the output port of the refrigerant heat exchange part 510, the second end of the refrigerant inlet pipe 520 is located outside the electric control box, and the refrigerant The second end of the output pipe 530 is located outside the electric control box, and the second end of the refrigerant output pipe 530 and the second end of the refrigerant inlet pipe 520 are both communicated with the condenser, thus achieving refrigerant circulation.
  • the electric control box provided in the embodiment of the present application may be set on an air conditioner, for example, on an outdoor unit of a central air conditioner.
  • the condenser connected to the second end of the refrigerant output pipe 530 and the second end of the refrigerant inlet pipe 520 can be a condenser of a central air conditioner.
  • the refrigerant in the working process of the central air conditioner can be used to realize the refrigerant and the second chamber 120
  • the internal second heat dissipation airflow performs heat exchange, thereby making the electronic component 400 work with high reliability.
  • a first sealing ring is provided between the refrigerant inlet pipe 520 and the box body 100 , and the first sealing ring is used to seal between the refrigerant inlet pipe 520 and the hole wall of the first through hole.
  • a second sealing ring is provided between the refrigerant output pipe 530 and the box body 100 , and the second sealing ring is used to seal between the refrigerant output pipe 530 and the hole wall of the second through hole.
  • the mounting plate 200 is fixed on the box body 100
  • the heat exchanger 500 is fixed on the mounting plate 200
  • the mounting plate 200 may be connected to the box body by at least one of screw connection, clip connection and welding.
  • the edge of the mounting plate 200 can be provided with a bent plate, the bent plate is provided with a mounting hole
  • the box body 100 is provided with a fixed plate
  • the fixed plate can be an L-shaped plate
  • one end of the fixed plate is welded with the box body 100
  • the fixed plate The other end is provided with matching holes
  • the mounting holes on the bending plate and the matching holes on the fixing plate are arranged correspondingly.
  • the mounting plate 200 can be fixed in the box body 100 by using the bolts or screws installed in the mounting holes and the matching holes. .
  • the heat exchanger in this application may be a microchannel heat exchanger.
  • a microchannel heat exchanger includes at least two sets of microchannels. At least two groups of microchannels include a plurality of first microchannels for the flow of the first refrigerant flow and a plurality of second microchannels for the flow of the second refrigerant flow, and the second refrigerant flow absorbs heat from the first refrigerant flow, so that the first The refrigerant flow is supercooled, or the first refrigerant flow absorbs heat from the second refrigerant flow so that the second refrigerant flow is supercooled.
  • the microchannel heat exchanger of the embodiment of the present application can also be used as an economizer of an air conditioner.
  • the micro-channel heat exchanger can not only be used to cool the electronic components in the electric control box, but also can be used as an economizer, thereby avoiding setting an economizer outside the electric control box, simplifying the structure of the air conditioner, saving space, and Can save costs.
  • the air duct partition 150 includes a main board body 152 and a sub board body 153, and the main board body 152 and the sub board body 153 are connected.
  • the main body 152 and the auxiliary body 153 may be integrally formed.
  • the main body 152 and the auxiliary body 153 may be integrally formed by injection molding or stamping.
  • the main board body 152 and the auxiliary board body 153 can also be connected by threaded connection, for example, the first threaded hole is set on the main board body 152, the second threaded hole is set on the auxiliary board body 153, the side of the main board body 152 and the auxiliary board body
  • the end surfaces of 153 are oppositely arranged, and the first threaded hole and the second threaded hole are arranged correspondingly, and the main body 152 and the sub-board body 153 are connected by threaded fasteners arranged in the first threaded hole and the second threaded hole.
  • the main board body 152 and the sub-board body 153 may also be connected together by at least one of clamping, welding and screwing.
  • buckles 154 can be set on the side of the main body 152 facing the mounting plate 200, buckles 154 can be set on the side of the sub-board body 153 facing the mounting plate 200, and the buckles 154 can be set on the mounting plate 200.
  • the buckle 154 on the main body 152 and the buckle 154 on the sub-board body 153 are snapped into the bayonet, so that the air duct partition 150 is mounted on the mounting plate 200 .
  • the structure of buckle 154 can be the structure shown in FIG.
  • the two protrusions 1542 are set away from each other.
  • the main body 152 and the auxiliary body 153 are arranged at an included angle, for example, the included angle between the main body 152 and the auxiliary body 153 is 90°, 100°, 80° and so on.
  • the main board body 152 can form a first air duct 161 with the mounting plate 200 , the side plates 132 and the box cover 140 , and the sub-board body 153 can form a second air duct 162 with the mounting plate 200 , the side plates 132 and the box cover 140 .
  • the air outlet end of the first air duct 161 communicates with the air inlet end of the second air duct 162 , and the first air duct 161 and the second air duct 162 together constitute the aforementioned cooling air duct 160 .
  • the air channel partition 150 has a groove 151, and the groove 151 is configured to avoid the electronic components 400 opposite to the groove 151, so that the electronic components 400 of different sizes can be arranged in the cooling air channel 160, and at the same time It can ensure that the air flows in the cooling air duct 160 .
  • the above-mentioned groove 151 may be formed on the main body 152 .
  • the main body 152 can be an integral structure, and the groove 151 can be formed by bending the main body 152 .
  • the main body 152 can also be formed by connecting the first end plate 1524, the first plate body 1521, the second plate body 1522, the third plate body 1523 and the second end plate 1525 connected in sequence.
  • the groove 151 can be formed by The first plate body 1521 , the second plate body 1522 and the third plate body 1523 are enclosed and formed, and the notch of the groove 151 faces the inside of the cooling air duct 160 .
  • the first end of the first plate 1521 is connected to the first end of the second plate 1522, the second end of the second plate 1522 is connected to the first end of the third plate 1523, and the second end of the third plate 1523
  • the end is connected to the first end of the second end plate 1525, the second end of the second end plate 1525 is connected to the sub-plate body 153, the first end of the first end plate 1524 is connected to the second end of the first plate body 1521,
  • the second end of the first end plate 1524 corresponds to the air inlet end of the first air channel 161
  • the second end of the second end plate 1525 corresponds to the air outlet end of the first air channel 161 .
  • the length of the first board 1521 and the third board 1523 may be equal or unequal.
  • the length of the first board 1521 is greater than the length of the third board 1523 .
  • Such a design can make the cross-sectional area of the first air duct 161 unequal at the position of the first end plate 1524 , the position of the second plate body 1522 and the position of the second end plate 1525 , so that it can be arranged inside the first air duct 161 Electronic components 400 of different sizes.
  • the electronic component 400 will be described in detail below with reference to the accompanying drawings.
  • multiple electronic components 400 can be arranged in the cooling air duct 160 , and the heat generated by the electronic components 400 during operation can be taken away in time by the first cooling air flow flowing in the cooling air duct 160 .
  • a part of the electronic components 400 among the plurality of electronic components 400 is arranged in the cooling air duct 160, and the rest of the electronic components 400 are arranged outside the cooling air duct 160, and the electronic components 400 that are sensitive to temperature changes
  • the electronic components 400 are arranged in the cooling air duct 160, and the electronic components 400 that are less sensitive to temperature changes are arranged outside the cooling air duct 160;
  • the affected electronic components 400 are arranged in the cooling air duct 160 , and the electronic components 400 that generate relatively little heat and are not easily affected by temperature are arranged outside the cooling air duct 160 in the working state.
  • a plurality of electronic components 400 and the air duct partition 150 are located on the same side of the mounting plate 200, and some electronic components 400 of the plurality of electronic components 400 are located in the cooling air duct 160, that is, some electronic components 400 are located in the air duct
  • the rest of the electronic components 400 are located on the second side of the air duct partition 150.
  • the first side of the air duct partition 150 is, for example, the upper side shown in FIG.
  • the second side is, for example, the lower side shown in FIG. 3
  • the first side of the air duct partition 150 is opposite to the second side of the air duct partition 150 .
  • a plurality of electronic components 400 may include a reactor 410 and a filter 420, the number of the reactor 410 may be two, the filter 420 and the reactor 410 are arranged at intervals along the flow direction of the first heat dissipation airflow, the reactor 410 and the filter
  • the filter 420 is arranged in the cooling duct 160 , and the filter 420 is arranged upstream of the reactor 410 .
  • the filter 420 and the reactor 410 are arranged in the first air duct 161, the filter 420 and the reactor 410 are arranged along the length direction of the box body 100, and the filter 420 is close to the air inlet end of the first air duct 161, and the reactance
  • the device 410 is close to the air outlet end of the first air duct 161 .
  • the electric control box further includes an expansion board 600 and an electric control module assembly 700, both of which can be circuit boards, and the expansion board 600 and the electric control module assembly 700 are located in the box body 100 .
  • the number of electric control module assemblies 700 may be two, and the expansion board 600 and electric control module assemblies 700 are arranged at intervals along the extending direction of the air duct partition 150 .
  • the expansion board 600 and the electric control module assembly 700 are located outside the cooling air duct 160.
  • the arrangement direction of the expansion board 600 and the electric control module assembly 700 is parallel to the length direction of the box body 100 shown in FIG. 3 , and the expansion board 600 and the filter 420 is set opposite to each other, and the electric control module assembly 700 is set opposite to the reactor 410 .
  • the filter 420 protrudes toward the expansion board 600 relative to the reactor 410, and the electronic control module assembly 700 protrudes toward the reactor 410 relative to the expansion board 600.
  • the first board body 1521, The second board body 1522 and the third board body 1523 are disposed around an end of the filter 420 close to the expansion board 600 .
  • the first fan 300 will be described in detail below with reference to the accompanying drawings.
  • the first fan 300 may be one of a centrifugal fan, an axial fan, and a cross-flow fan. In the embodiment shown in FIG. 1 , the first fan 300 may be an axial fan. It can be understood that for those skilled in the art, changing the first fan 300 to a centrifugal fan or a cross-flow fan is a conventional replacement.
  • the first fan 300 may be disposed on the mounting plate 200 in at least one of screw connection, welding, and clamping.
  • the first fan 300 is fixed on the mounting plate 200 by threading, the inlet of the first fan 300 communicates with the first air return port 210 of the mounting plate 200, the first fan 300 is arranged at the air inlet end of the first air duct 161, the second A fan 300 sucks the air in the second chamber 120 into the first chamber 110 to form a first cooling airflow in the first chamber 110 .
  • the outlet of the first fan 300 communicates with the air inlet end of the cooling air duct 160 .
  • the reactance box also includes a second fan 800, which will be described in detail below with reference to the accompanying drawings.
  • the second fan 800 is disposed on the mounting plate 200 and is located in the first chamber 110 .
  • the second fan 800 may be one of a centrifugal fan, an axial fan, and a cross-flow fan.
  • the second fan 800 is arranged in the cooling air duct 160, and the air outlet direction of the second fan 800 is the same as the direction of the first heat dissipation airflow, the air outlet mode of the first fan 300 is from left to right, and the second The air outlet direction of the fan 800 is from top to bottom.
  • the second fan 800 can cooperate with the first fan 300 to regulate the flow velocity and air volume of the air in the box body 100, so that the heat exchange efficiency between the air in the first chamber 110 and the electronic components 400 in the first chamber 110 increase, the heat generated when the electronic component 400 is working is taken away in time, and the working stability of the electronic component 400 is increased.
  • Fig. 14 is a schematic diagram of the explosion of the electric control box of the embodiment of the present application after removing the box cover
  • Fig. 15 is a schematic structural diagram of the electronic control module assembly of the electric control box of the embodiment of the present application
  • Fig. 16 is a heat dissipation plate of the embodiment of the present application Schematic diagram of the structure.
  • the electric control box provided by the present application includes a box body 100 with an airtight accommodating cavity 101 , a heat dissipation assembly and an electric control module assembly 700 .
  • the box body 100 is used for accommodating the heat dissipation assembly and the electronic control module assembly 700; the heat dissipation assembly plays a role of heat dissipation, and the electric control module assembly 700 is used for controlling the working status of the fan and compressor of the air conditioner outdoor unit.
  • the box body 100 is a rectangular box body, which may include a bottom plate 131 , a box cover 140 , a front side plate 1321 , a rear side plate 1322 , a left side plate 1323 and a right side plate 1324 .
  • the left side plate 1323 and the right side plate 1324 both extend along the Y direction, and the left side plate 1323 and the right side plate 1324 are arranged at intervals along the X direction;
  • the rear end is thus formed with a half-shell structure with openings at the front end and the top end.
  • the rear side plate 1322 , the left side plate 1323 , and the right side plate 1324 and the bottom plate 131 can be integrally formed by processes such as molding or stamping.
  • the front side plate 1321 can be fixed on the front side of the bottom plate 131 by means of bolts, buckles, etc., the front side plate 1321 and the rear side plate 1322 both extend along the X direction, and the front side plate 1321 and the rear side plate 1322 are arranged at intervals along the Y direction .
  • the box cover 140 is opposite to the bottom plate 131 , and the box cover 140 can also be fixed on the tops of the front side plate 1321 , rear side plate 1322 , left side plate 1323 and right side plate 1324 by means of bolts or buckles.
  • the airtight accommodating cavity 101 in the box body 100 is not only beneficial to protect the electrical components of the box body 100, but also prevents external heat from affecting the heat dissipation of the electrical components.
  • seal between the base plate 131, the box cover 140, the front side plate 1321, the rear side plate 1322, the left side plate 1323 and the right side plate 1324 can be sealed by setting a sealant and a sealing ring. connected so as to form an airtight accommodating cavity 101 in the box body 100 .
  • the electric control box in the embodiment of the present application may be, for example, a closed electric control box. This can prevent water droplets, dust and other foreign matter from entering the electric control box, causing damage to the electronic components in the electric control box, and achieve the effects of waterproof, dustproof and corrosion resistance.
  • the shape of the box body 100 is not limited to the rectangle mentioned above, and it can also be other shapes.
  • the box body 100 may also be a cylindrical box body or a special-shaped box body.
  • any suitable surface can be selected for fixing, for example, the rear side plate 1322 of the electric control box can be hung inside the casing of the outdoor unit, or the Its bottom plate 131 is fixed in the casing.
  • the heat dissipation assembly is a component that dissipates the heat in the electric control box to the outside of the electric control box. It includes a heat exchanger 500 and a heat dissipation plate 540.
  • the heat dissipation plate 540 includes an opposite first surface 541 and a second surface 542. On the first surface 541
  • the electric control module assembly 700 is installed, and the first surface 541 is in contact with the electric control module assembly 700 , the second surface 542 is installed with the heat exchanger 500 , and the heat exchanger 500 and the cooling plate can be welded.
  • Heat exchanger 500 may be, but is not limited to, a microchannel heat exchanger. In this way, the heat of the electronic control module assembly 700 can be transferred to the heat exchanger 500 through the cooling plate 540 .
  • the cooling plate 540 includes a body plate 543 and a boss 544 disposed on the body plate 543 , the boss 544 is connected with the electronic control module assembly 700 , and the side of the body plate 543 away from the boss 544 is welded to the heat exchanger 500 .
  • the boss 544 is provided to ensure that the cooling plate 540 is in contact with the electronic control module assembly 700 to dissipate heat.
  • the heat exchanger 500 of this embodiment includes a refrigerant inlet pipe 520, a refrigerant output pipe 530 connected to it, and a plurality of refrigerant heat exchange parts 510 arranged at intervals along the Y direction.
  • 510 may be a round tube, a square tube, or the like.
  • the refrigerant heat exchange part 510 in this embodiment may be a flat tube, and its cross section may be, for example, but not limited to, a rectangle, a circle, an ellipse, a trapezoid, a trapezoid, and the like. In this way, the refrigerant heat exchange part 510 has opposite first surface and second surface, which can provide a larger heat exchange area, thereby improving heat exchange efficiency.
  • the first end of the refrigerant heat exchange part 510 communicates with the refrigerant inlet pipe 520, and the second end of the refrigerant heat exchange part 510 communicates with the refrigerant output pipe 530, so that the heat exchange medium enters the refrigerant heat exchange part 510 from the refrigerant inlet pipe 520, Then it is discharged through the refrigerant output pipe 530 .
  • the refrigerant inlet pipe 520 and the refrigerant outlet pipe 530 extend along the length direction (corresponding to the Y direction in the figure) perpendicular to the refrigerant heat exchange part 510 , so as to communicate with all the refrigerant heat exchange parts 510 .
  • two refrigerant inlet pipes 520 are provided, and two refrigerant outlet pipes 530 are provided.
  • Such arrangement is beneficial to increase the flow rate of the heat exchange medium, thereby improving the heat dissipation effect.
  • the quantity of the refrigerant inlet pipe 520 and the refrigerant outlet pipe 530 is not limited thereto.
  • the heat exchanger 500 in the embodiment of the present application may be a microchannel heat exchanger.
  • a microchannel heat exchanger includes at least two sets of microchannels. At least two groups of microchannels include a plurality of first microchannels for the flow of the first refrigerant flow and a plurality of second microchannels for the flow of the second refrigerant flow, the second refrigerant flow absorbs heat from the first refrigerant flow, The first refrigerant flow is supercooled, or the first refrigerant flow absorbs heat from the second refrigerant flow, so that the second refrigerant flow is supercooled.
  • the microchannel heat exchanger of the embodiment of the present application can also be used as an economizer of an air conditioner.
  • the micro-channel heat exchanger can not only be used to cool the electronic components in the electric control box, but also can be used as an economizer, so that an economizer can be avoided outside the electric control box, the structure of the air conditioner can be simplified, and space can be saved. cut costs.
  • heat exchanger 500 is arranged to circulate heat exchange medium, and the heat exchange medium exchanges heat with air to reduce the air temperature in box body 100;
  • the heat of the electronic control module assembly 700 is dissipated to reduce the temperature of the electronic control module assembly 700 .
  • the second surface 542 of the cooling plate 540 can be welded on the heat exchanger 500 to strengthen the heat exchanger 500 and prevent the refrigerant heat exchange parts 510 from being bent, deformed or displaced. Together, it is ensured that the heat exchange medium in the refrigerant heat exchange part 510 can flow smoothly and have the largest heat exchange area.
  • the air can pass through the gap between two adjacent refrigerant heat exchange parts 510 and communicate with the surface of the refrigerant heat exchange part 510 through which the heat exchange medium flows. Full contact with heat exchange is beneficial to improve heat exchange efficiency, thereby improving heat dissipation effect.
  • the heat exchanger 500 and the electronic control module assembly 700 are respectively installed on both sides of the heat dissipation plate 540, the heat can be transferred to the heat exchanger 500 through the heat dissipation plate 540, and the heat is dissipated to the outside of the box body 100 through the heat exchanger 500 , to reduce the heat inside the electric control box.
  • the electronic control module assembly 700 of this embodiment includes a board body 730, a fan module 710 and a compressor module 720, the fan module 710 and the compressor module 720 have a gap, and the fan module 710 and the compressor module 720 are both arranged on the board body 730 .
  • the fan module 710 is used to control the fan of the outdoor unit of the air conditioner
  • the compressor module 720 is used to control the compressor of the outdoor unit of the air conditioner, thus the fan module 710 and the compressor module 720 generate a large amount of heat.
  • the electronic control module assembly 700 may also include electrical components such as capacitors and resistors, which are arranged on the board body 730 .
  • Both the fan module 710 and the compressor module 720 are in contact with and connected to the first surface 541 of the cooling plate 540 .
  • the fan module 710 is screwed and fixed to the heat dissipation plate 540 , and the connection method is simple and reliable; a thermal conductive adhesive layer is arranged between the fan module 710 and the heat dissipation plate 540 to improve heat conduction efficiency.
  • the compressor module 720 and the cooling plate 540 are screwed and fixed, and the connection method is simple and reliable; a thermally conductive adhesive layer is arranged between the compressor module 720 and the cooling plate 540 to improve thermal conductivity.
  • One cooling plate 540 can be provided, and the fan module 710 and the compressor module 720 are fixed on one cooling plate 540 at the same time; At this time, the fan module 710 and the compressor module 720 may be fixed on the same heat dissipation plate 540 , or may be respectively fixed on different heat dissipation plates 540 .
  • the electric control box of this embodiment also includes a first fan 300 and a reactor 410.
  • the first fan 300 is used to drive air flow, and the reactor 410 plays the role of current limiting and filtering, making the operation of the outdoor unit of the air conditioner more stable.
  • Both the first fan 300 and the reactor 410 are installed in the airtight accommodating chamber 101, for example, the first fan 300 can be installed on the side wall of the airtight accommodating chamber 101, and the first fan 300 can also be installed in the airtight accommodating chamber 101 on the installation structure.
  • the reactor 410 can be installed on the side wall of the airtight accommodation chamber 101 , and the reactor 410 can also be installed on the installation structure in the airtight accommodation chamber 101 .
  • the reactor 410 is separated from the electronic control module assembly 700 , and the reactor 410 is opposite to the air outlet of the first fan 300 , so that the heat generated by the reactor 410 can be taken away by the air under the action of the first fan 300 to achieve cooling.
  • the electric control box of this embodiment further includes a mounting plate 200, which is used for mounting electrical components and the like.
  • the mounting plate 200 is fixed in the box body 100 , for example, the mounting plate 200 is fixed in the box body 100 by means of screwing or clamping.
  • the installation plate 200 has a first installation surface and a second installation surface opposite, the first installation surface faces the bottom plate 131 , and the second installation surface faces the box cover 140 .
  • the mounting plate 200 may be a rectangular plate, which is arranged parallel to the bottom plate 131 of the box body 100 and the box cover 140 . 3 and 7, the installation plate 200 divides the airtight accommodating chamber 101 into a first chamber 110 and a second chamber 120, the first installation surface is located in the first chamber 110, and the second installation surface is located in the second chamber In room 120.
  • the heat dissipation component is located in the first chamber 110 and can conduct heat out of the box body 100.
  • the first surface 541 of the heat dissipation plate 540 of the heat dissipation component is fixedly connected with the mounting plate 200.
  • the heat dissipation plate 540 can be mounted on the the first mounting surface.
  • the heat dissipation plate 540 is connected to the installation plate 200 by screws, and the connection method is stable and reliable; a thermally conductive adhesive layer may also be provided between the first surface 541 of the heat dissipation plate 540 and the first installation surface to improve heat transfer efficiency.
  • the reactor 410 is located in the second chamber 120, and the reactor 410 is fixedly connected to the side wall of the second chamber 120.
  • the reactor 410 can be installed on the side plate of the box body 100 that surrounds the second chamber 120.
  • the device 410 can also be mounted on the mounting board 200.
  • the reactor 410 in this embodiment is installed on the second installation surface, and the reactor 410 may be installed on the second installation surface by clamping, screwing, and other methods.
  • the heat generated by the reactor 410 can be transferred to the heat dissipation plate 540 through the installation plate 200, and the heat is dissipated to the box through the heat exchanger 500. body 100 to reduce the heat inside the electric control box.
  • the reactor 410 is installed on the installation board 200 , and at this time, the reactor 410 can be air-cooled by the action of the first fan 300 .
  • the reactor 410 is installed on the cooling plate 540. At this time, the reactor 410 can not only be air-cooled by the first fan 300, but also its heat can be transferred to the heat exchanger through the cooling plate 540. 500 , dissipating heat by exchanging heat with the heat exchange medium in the heat exchanger 500 .
  • One is to exchange the air in the first chamber 110 with the air in the second chamber 120 by setting a fan to perform air cooling and heat dissipation; the other is to set an installation opening on the mounting plate 200 230, so that the reactor 410 directly contacts with the heat dissipation plate 540 to dissipate heat, and at the same time perform air-cooled heat dissipation and heat exchanger refrigerant heat dissipation.
  • a part of the mounting plate 200 is configured as an air intake grille 201, for example, the front side of the mounting plate 200 is configured as an air intake grille 201,
  • the air intake grille 201 extends along the X direction, so that the air in the second chamber 120 can enter the first chamber 110 at various positions in the long side direction of the installation board 200 (corresponding to the X direction in the figure) to dissipate heat, so as to avoid partial air discharge being blocked resulting in higher local heat.
  • the first fan 300 can increase the flow velocity of the air in the first chamber 110 and the second chamber 120. Exchange heat, and blow the air after heat exchange back to the second chamber 120 to realize gas flow and heat exchange inside the box body 100 , which is beneficial to ensure the cleanliness of the air inside the box body 100 .
  • first preset distance between the first fan 300 and the air intake grille 201 which is beneficial to extend the air flow path and improve the heat dissipation effect.
  • the air inlet of the first fan 300 extends into the first chamber 110, and the air outlet of the first fan 300 extends into the second chamber 120, so under the effect of the first fan 300, the temperature in the first chamber 110
  • the lower air enters into the first fan 300 through the air inlet, and then is discharged into the second chamber 120 through the air outlet; the air carries the heat in the second chamber 120 and returns to the first chamber through the air inlet grille 201
  • the temperature of the chamber 110 decreases after exchanging heat with the cooling component. This cycle repeats to reduce the temperature of the electrical components in the first chamber 110 .
  • the air inlet of the first fan 300 protrudes into the first chamber 110 to communicate with the first chamber 110 .
  • the mounting plate 200 is provided with a through hole, and the air inlet of the first fan 300 is directly opposite to the through hole, so as to communicate with the first chamber 110 .
  • the air outlet of the first fan 300 protrudes into the second chamber 120 to communicate with the second chamber 120 .
  • the air outlet of the first fan 300 is located in the second chamber 120 .
  • the first fan 300 includes a housing and a fan installed in the housing, and the housing is fixed on the second installation surface by screwing or clamping.
  • the casing is provided with an air inlet and an air outlet, and the air inlet is directly opposite to the through hole provided on the mounting plate 200 to realize communication between the air inlet and the first chamber 110; the air outlet is located in the second chamber 120.
  • the air outlet of the first fan 300 in this embodiment and the air inlet grille 201 form an air duct, and the reactor 410 is installed in the air duct, so that the reactor 410 is located on the side of the air outlet of the first fan 300, and the first fan 300 blows
  • the cold air can quickly contact the reactor 410, take away the heat generated by the reactor 410, and improve the cooling effect of the reactor 410.
  • an air channel partition 150 is installed on the installation plate 200 , and the air channel partition 150 , the installation plate 200 and the box body 100 define and form an air channel.
  • the air duct partition 150 can be fixed on the mounting plate 200 by clamping, bonding, screwing and other means.
  • the electric control box of this embodiment may further include a main board 430 , a power board 440 , a filter 420 and an expansion board 600 .
  • the data signals of each circuit and sensor are transmitted to the main board 430;
  • the power board 440 is used to distribute electric energy to each electrical device;
  • the filter 420 is used to filter harmonics to ensure the stability of the operation of the electrical device; Connect user-extended devices.
  • the electrical components in the electric control box are not limited to this.
  • the power supply board 440, the first fan 300, the filter 420 and the reactor 410 are arranged at intervals along the X direction on the top of the mounting board 200 to form a first group of electrical components; the main board 430, the expansion board 600 and the electronic control module assembly 700 are arranged along the X direction The intervals are arranged on the mounting board 200 to form a second group of electrical devices.
  • the first group of electrical components, the second group of electrical components and the air intake grille 201 are arranged side by side along the Y direction, and an air duct partition 150 is arranged between the first group of electrical components and the second group of electrical components.
  • the wind discharged from the air outlet of the first fan 300 passes through the filter 420 and the reactor 410 along the air duct and enters the air intake grill 201, and drives the air between the air duct partition plate 150 and the air intake grill 201.
  • the flow enters the first chamber 110 through the intake grille 201 .
  • Such setting can prevent the reactor 410 that generates more heat from transferring heat to other electrical components and affect other electrical components, which is beneficial to improve the heat dissipation effect.
  • a space is provided between the electronic control module assembly 700 and the right side plate 1324 of the box body 100, so that the air duct is generally L-shaped, and the air flow distance is extended. Improve cooling effect. The speed of the air at the corner is affected.
  • a second fan 800 is also arranged in the air duct. The second fan 800 is fixed on the second mounting surface of the mounting plate 200 to play a role The effect of accelerating air flow.
  • the second fan 800 is installed between the electronic control module assembly 700 and the right side plate 1324 of the box body 100 to increase the flow speed of the air and improve the cooling effect.
  • the embodiment of the present application does not limit the specific structure of the air duct partition 150, which can be set according to the size of the electrical device, the installation layout, and the like.
  • the first fan 300 is installed on the mounting plate 200, the air inlet of the first fan 300 communicates with the first chamber 110, and the air outlet of the first fan 300 communicates with the second chamber 120, so that the first fan 300 can
  • the air with a lower temperature in the first chamber 110 is blown into the second chamber 120, and the air carries the heat generated by the reactor 410, etc., and then returns to the first chamber 110 through the air intake grill 201.
  • Heat out of the electrical control box. This cycle goes on and on to achieve the purpose of reducing the temperature in the electric control box.
  • the air flow driven by the first fan 300 can not only take away the heat generated by the reactor 410, but also take away the heat generated by other electrical devices, which is beneficial to improve the heat dissipation efficiency.
  • the electric control module assembly 700 is far away from the air outlet of the first fan 300 , and when the air discharged from the air outlet of the first fan 300 flows to the electric control module assembly 700 , it has already carried the heat generated by the reactor 410 and other electrical components.
  • at least one installation opening 230 is provided on the installation plate 200 in this embodiment, and the installation opening 230 is located between the air inlet grille 201 and the first fan 300. between.
  • the installation opening 230 runs through the thickness direction of the installation plate 200 (for the Z direction in the figure).
  • the installation opening 230 can be a circular opening, a polygonal opening, an irregular opening, etc.
  • the shape of the installation opening 230 is not limited in this embodiment.
  • the shape and size of the cooling plate 540 may be consistent with the shape and size of the installation opening 230 , that is, the entire cooling plate 540 is exposed in the installation opening 230 .
  • part of the structure of the heat dissipation plate 540 is exposed in the installation opening 230 , and another part of the structure is attached to the first installation surface and fixedly connected by screws.
  • the electric control module assembly 700 is fixedly connected with the heat dissipation plate 540 exposed in the installation opening 230, that is to say, the electric control module assembly 700 is directly in contact with the heat dissipation plate 540, and the heat generated by the electric control module assembly 700 is directly transferred to the heat dissipation plate 540.
  • the heat exchanger 500 performs heat exchange and has high heat dissipation efficiency.
  • the electronic control module assembly 700 is fixedly connected to the heat dissipation plate 540 by screws, and a thermally conductive adhesive layer is provided between the electric control module assembly 700 and the heat dissipation plate 540 to improve heat transfer efficiency.
  • the multiple electric control module assemblies 700 are arranged at intervals along the length direction of the mounting plate 200 (corresponding to the X direction in the figure).
  • the multiple electric control module assemblies 700 are arranged at intervals along the length direction of the mounting plate 200 (corresponding to the X direction in the figure).
  • the multiple electric control module assemblies 700 are arranged at intervals along the length direction of the mounting plate 200 (corresponding to the X direction in the figure).
  • the length direction of the mounting plate 200 corresponding to the X direction in the figure
  • a heat dissipation plate 540 can be arranged in the installation opening 230, that is, all electric control module assemblies 700 are all fixed on the same heat dissipation plate 540; at this time, there is an interval between two adjacent electric control module assemblies 700, so that heat dissipation A part of the plate 540 is exposed in the installation opening 230, so that the airflow can pass through the heat dissipation plate 540, which is beneficial to improve the heat dissipation efficiency.
  • Each of the plurality of electronic control module assemblies 700 corresponds to one installation opening 230 .
  • two installation openings 230 are provided on the installation plate 200 , and each of the two electric control module assemblies 700 corresponds to one installation opening 230 .
  • One heat sink 540 may be provided, and part of the structure of each heat sink 540 is exposed in the two installation openings 230 respectively.
  • Two cooling plates 540 may also be provided, and each cooling plate 540 corresponds to one of the installation openings 230 .
  • the installation plate 200 is provided with two installation openings 230 side by side along the X direction, and the heat dissipation assembly is provided with a heat dissipation plate 540 , and part of the structure of the heat dissipation plate 540 is respectively exposed in the two installation openings 230 .
  • There are two electric control module assemblies 700 the electric control module assembly 700 on the left is fixedly connected to the cooling plate 540 exposed in the left installation opening 230, and the right electric control module assembly 700 is connected to the heat dissipation plate 540 exposed in the right installation opening 230.
  • the inner cooling plate 540 is fixedly connected. Such arrangement facilitates the fixed connection of the heat dissipation plate 540 and the mounting plate 200 , and the part of the mounting plate 200 between the two mounting openings 230 can also provide space for wiring.
  • the reactor 410 dissipates heat by airflow, and the reactor 410 and the heat dissipation plate 540 are separated by the installation plate 200 .
  • Fig. 5 is a schematic structural diagram of the electric control box provided in Embodiment 2 of the present application without the air duct partition and the electric control module assembly.
  • the reactor 410 is screwed and fixed to the second installation surface.
  • the heat generated by the reactor 410 can be transferred to the heat dissipation assembly through the installation plate 200 , or can be transferred to the heat dissipation assembly through the air flow driven by the first fan 300 .
  • the reactor 410 directly contacts the heat dissipation component to transfer heat to dissipate heat.
  • the reactor 410 is fixedly connected to the heat sink 540 exposed in the installation opening 230 , for example, the reactor 410 is screwed or clamped to the heat sink 540 , so that the reactor 410 and the heat sink 540 contact and conduct heat.
  • a thermally conductive adhesive layer is further provided between the reactor 410 and the heat sink 540 in this embodiment.
  • the reactor 410 of this embodiment includes a reactor body 412 and a fixing plate 411 connected to the reactor body 412 , a part of the fixing plate 411 is fixedly connected to the mounting plate 200 , and the other part of the fixing plate 411 is fixedly connected to the cooling plate 540 .
  • the fixing plate 411 and the mounting plate 200 can be fixed by screwing, clamping, etc.; the fixing plate 411 and the cooling plate 540 can be fixed by screwing, clamping, and the like.
  • the reactor 410 is fixedly connected to the installation plate 200 and the heat dissipation plate 540 at the same time, which is beneficial to improve the stability and reliability of the installation of the reactor 410 .
  • the fixing plate 411 of the reactor 410 When the reactor 410 is fixedly connected to the cooling plate 540, the fixing plate 411 of the reactor 410 partially covers the installation opening 230, so that the cooling plate 540 in the other part of the installation opening 230 is exposed to the first chamber 110.
  • Such an arrangement can also make The air in the first chamber 110 flows through the heat dissipation plate 540 to perform contact heat exchange, which is beneficial to improve the heat dissipation effect.
  • the reactor 410 and the electronic control module assembly 700 share one installation opening 230 , so that only one installation opening 230 can be processed on the installation plate 200 , and there is no need to process multiple installation openings 230 , which is conducive to improving the convenience of processing.
  • the reactor 410 and the electronic control module assembly 700 respectively correspond to one installation opening 230 , and there are multiple installation openings 230 at this time.
  • the reactor 410 and the electric control module assembly 700 respectively correspond to one installation opening 230 , which can prevent the heat generated by the reactor 410 and the electric control module assembly 700 from influencing each other.
  • reactors 410 There may be multiple reactors 410 in this embodiment, and multiple reactors 410 are installed side by side in the air duct along the wind flow direction; multiple reactors 410 are arranged side by side on the outlet side of the first fan 300 along the X direction. In this embodiment, there are two reactors 410, and the two reactors 410 and the first fan are arranged at intervals along the X direction.
  • a plurality of reactors 410 share one installation opening 230 , such arrangement can reduce the number of processing openings on the installation board 200 and improve processing efficiency.
  • Each of the multiple reactors 410 corresponds to one installation opening 230 , such arrangement can prevent the multiple reactors 410 from interfering with each other to dissipate heat.
  • the installation plate 200 is provided with two installation openings 230 at intervals along the X direction, and the heat dissipation plate 540 is provided with one.
  • a part of the structure of the heat dissipation plate 540 is exposed in the installation opening 230 on the left side, and another part of the structure of the heat dissipation plate 540 is exposed. in the installation opening 230 on the right.
  • Two reactors 410 and two electric control module assemblies 700 are arranged in the electric control box. The left reactor 410 and the left electric control module assembly 700 share the left installation opening 230 , and the right reactor 410 and the right electric control module assembly 700 share the right installation opening 230 .
  • the air conditioner outdoor unit provided in the embodiment of the present application includes the electric control box and the casing 900 provided in the present application, and the electric control box is located inside the casing 900 as shown in FIG. 17 .
  • the air conditioner outdoor unit provided in the embodiment of the present application may be an outdoor unit of a central air conditioner.
  • the electric control box is arranged inside the casing of the outdoor unit of the central air conditioner.
  • the condenser communicated with the heat exchanger 500 in the electric control box may be the heat exchanger in the outdoor unit of the central air conditioner.
  • the outdoor unit of the central air conditioner is provided with two compressors and an outdoor fan inside, and each electric control module assembly in the electric control box is used to connect with a corresponding compressor and control the corresponding compressor. Each electric control module assembly in the electric control box is also used to connect with a corresponding outdoor fan and control the corresponding outdoor fan.
  • the air conditioner outdoor unit in the embodiment of the present application adopts the technical solution of the electric control box above, it has at least all the beneficial effects brought by the technical solution of the electric control box above, and will not repeat them here.
  • the air conditioner provided in the embodiment of the present application includes the above-mentioned air conditioner outdoor unit provided in the embodiment of the present application.
  • the air conditioner in the embodiment of the present application may be a central air conditioner, and the central air conditioner includes an outdoor unit of the central air conditioner and an indoor unit of the central air conditioner.
  • the outdoor unit of the central air conditioner is installed outdoors, and the indoor unit of the central air conditioner is installed indoors.
  • the indoor unit of the central air conditioner and the outdoor unit of the central air conditioner work together to realize the functions of air conditioning cooling, heating, and dehumidification.
  • the number of outdoor units of the central air conditioner is one, and the number of indoor units of the central air conditioner is two or more.
  • the indoor unit of the central air conditioner is usually equipped with an indoor heat exchanger
  • the outdoor unit of the central air conditioner is usually equipped with an outdoor heat exchanger.
  • the indoor heat exchanger and the outdoor heat exchanger are usually connected through refrigerant pipes, so that the indoor heat exchanger and the outdoor The refrigerant can circulate between the heat exchangers.
  • the indoor heat exchanger is an evaporator
  • the refrigerant in the evaporator changes from a liquid to a gaseous state; in the process of evaporating and absorbing heat from the refrigerant, the evaporator exchanges heat with the air flowing through the evaporator.
  • the heat in the air in the indoor unit of the central air conditioner is taken away, so that the air discharged from the indoor unit of the central air conditioner is air after heat release and cooling, and the indoor unit of the central air conditioner blows cold air; at the same time, the outdoor heat exchanger is a condenser , the refrigerant in the condenser changes from a gaseous state to a liquid state; in the process of condensing and releasing heat of the refrigerant, the condenser exchanges heat with the air in the outdoor unit of the central air conditioner that flows through the condenser, so that the air in the outdoor unit of the central air conditioner will The heat from the condenser is brought to the outside of the outdoor unit of the central air conditioner, thus realizing the cooling process.
  • the outdoor heat exchanger is a condenser , the refrigerant in the condenser changes from a gaseous state to a liquid state; in the process of condensing and releasing heat of the refrigerant, the conden
  • the outdoor heat exchanger is an evaporator, and the refrigerant in the evaporator absorbs heat from a liquid state to a gaseous state; during the process of evaporating and absorbing heat from the refrigerant, the evaporator exchanges heat with the air flowing through the evaporator , to replace the heat carried in the air in the outdoor unit of the central air conditioner into the refrigerant in the evaporator; at the same time, the indoor heat exchanger is a condenser, and the refrigerant in the condenser changes from a gaseous state to a liquid state; During the process, the condenser exchanges heat with the air in the indoor unit of the central air conditioner that flows through the condenser, so that the air in the indoor unit of the central air conditioner takes away the heat carried by the condenser and discharges it from the indoor unit of the central air conditioner to The room outside the indoor unit of the central air conditioner makes the indoor unit of the central air
  • the electric control box is installed in the outdoor unit of the central air conditioner.
  • the electric control box can be used, for example, to control the working process of the compressor in the outdoor unit of the central air conditioner, and the heat exchanger 500 in the electric control box can communicate with the outdoor heat exchanger, for example.
  • the air conditioner in the embodiment of the present application adopts the technical solution of the electric control box above, it at least has all the beneficial effects brought by the technical solution of the electric control box above, and will not repeat them here.
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features.
  • the features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined.
  • a first feature being "on” or “under” a second feature may mean that the first and second features are in direct contact, or that the first and second features are indirect through an intermediary. touch.
  • “above”, “above” and “above” the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • “Below”, “beneath” and “beneath” the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

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  • Chemical & Material Sciences (AREA)
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Abstract

一种电控盒,包括盒体以及设置在盒体内的安装板,安装板的安装侧设置有第一风扇和多个电子元器件,第一风扇用于形成沿第一散热路径流动的第一散热气流,第一散热气流经盒体的内壁转向后形成沿第二散热路径流动的第二散热气流;多个电子元器件分布在第一散热路径和第二散热路径上,第一散热路径和第二散热路径位于安装板的安装侧,能够解决电子元器件使用寿命短的技术问题。还公开了一种空调室外机和空调器。

Description

电控盒、空调室外机和空调器
本申请要求于2021年8月7日提交中国专利局、申请号为202110904558.2、申请名称为“电控盒、空调室外机和空调器”的中国专利申请的优先权,2021年8月7日提交中国专利局、申请号为202121839215.4、申请名称为“电控盒、空调外机及空调器”的中国专利申请的优先权,2021年8月7日提交中国专利局、申请号为202121839197.X、申请名称为“电控盒、空调室外机和空调器”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及空调技术领域,具体涉及一种电控盒、空调室外机和空调器。
背景技术
空调器是指用人工手段,对建筑或构筑物内环境空气的温度、湿度、流速等参数进行调节和控制的设备。空调器通常包括电控盒,电控盒内设置有滤波器、电抗器等电子元器件。然而,电子元器件工作时产生的热量会导致电子元器件的温度升高,影响电子元器件的工作稳定性。
申请内容
本申请的主要目的是提供一种一种电控盒、空调室外机和空调器,用于提高电子元器件的工作可靠性。
为实现上述目的,本申请公开了一种电控盒,包括盒体以及设置在盒体内的安装板,安装板的安装侧设置有第一风扇和多个电子元器件,第一风扇用于形成沿第一散热路径流动的第一散热气流,第一散热气流经盒体的内壁转向后形成沿第二散热路径流动的第二散热气流;多个电子元器件分布在第一散热路径和第二散热路径上,且第一散热路径和第二散热路径位于安装板的安装侧。
本申请的有益效果是:通过设置第一风扇,形成沿第一散热路径流动的第一散热气流,第一散热气流经盒体的内壁转向后形成沿第二散热路径流动的第二散热气流;通过将多个电子元器件分布在第一散热路径和第二散热路劲,可以实现电子元器件工作时产生的热量被第一散热气流和第二散热气流带走,电子元器件工作时的温度在可靠的温度范围内,电子元器件的工作稳定性高。
在上述技术方案的基础上,本申请还可以做如下改进。
进一步,第一散热路径和第二散热路径的首尾顺次连通形成一循环散热路径。
进一步,安装板将盒体内的空间分割为第一腔室和第二腔室,多个电子元器件设置在第一腔室内;第二腔室内设置有换热器。
进一步,安装板上设置有贯穿安装板的第一回风口和第二回风口,且第一回风口位于第一散热路径的首端,第二回风口位于第二散热路径的尾端。
进一步,第一风扇的进口与第一回风口连通,第一风扇的出口与第一散热路径的首端相对。
进一步,安装板为矩形板,第一回风口位于矩形板的第一边角,第二回风口位于矩形板的第二边角,第二边角和第一边角位于矩形板的同一对角线的两端。
进一步,第二回风口的数量为多个,多个第二回风口分布在沿安装板的第一边间隔设置;第一回风口设置在安装板的第二边,第一边和第二边相对设置。
进一步,电控盒还包括第二风扇,第二风扇设置在第一散热路径或第二散热路径上。
进一步,第二风扇设置在第二散热路径的首端。
进一步,第二风扇设置在第二散热路径的尾端;第一风扇和第二风扇的出风方向不相交,第二风扇用于形成沿第三散热路径流动的第三散热气流。
进一步,安装板的安装侧设置的多个电子元器件包括滤波器和电抗器,滤波器和电抗器分布在第一散热路径上。
进一步,盒体为密封盒体。
本申请还提供了一种空调室外机,包括上述任一技术方案的电控盒。
本申请还提供了一种空调器,包括上述任一技术方案的空调室外机。
附图说明
图1为本申请实施例的电控盒的结构示意图一;
图2为本申请实施例的电控盒的结构示意图二;
图3为本申请实施例的电控盒的结构示意图三;
图4为本申请实施例的电控盒的结构示意图四;
图5为本申请实施例的电控盒的结构示意图五;
图6为本申请实施例的电控盒的结构示意图六;
图7为本申请实施例的安装板的结构示意图;
图8为本申请实施例的电控盒的爆炸图;
图9为本申请实施例的电控盒的结构示意图七;
图10为本申请实施例的电控盒的另一种结构示意图;
图11为本申请实施例的电控盒的另一种结构示意图二;
图12为本申请实施例的电控盒的风道隔板的结构示意图;
图13为为图12中A位置的局部视图;
图14为本申请实施例的电控盒的去除盒盖后的爆炸示意图;
图15为本申请实施例的电控盒的电控模块组件的结构示意图;
图16为本申请实施例的散热板的结构示意图;
图17为本申请实施例的空调室外机的结构示意图。
具体实施方式
在相关技术中,电控盒的内部设置有电子元器件,电子元器件例如可以是滤波器、电抗器等,电子元器件在使用过程中会产生热量,导致电子元器件的温度较高,进而 降低电气元器件的工作可靠性,为此,需要对电子元器件进行降温。
有鉴于此,本申请实施例的电控盒,通过设置第一风扇,利用第一风扇形成第一散热气流,第一散热气流在经过盒体的阻碍作用后,转向形成第二散热气流,利用第一散热气流和第二散热气流将电子元器件上的热量带走,进而实现对电子元器件降温,使得电子元器件的工作可靠性高。
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本申请的一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
本申请实施例的电控盒例如可以是密闭电控盒。这样能够避免水滴、灰尘等其他异物进入电控盒内,对电控盒内的电子元件造成损坏,达到防水、防尘、防腐蚀的效果。
请参照图1、图2、图3和图4,本申请实施例提供一种电控盒,电控盒包括盒体100、安装板200、第一风扇300和电子元器件400。其中,安装板200和第一风扇300设置在盒体100内部,盒体100用于对安装板200和第一风扇300进行保护。安装板200用于安装第一风扇300和电子元器件400。第一风扇300用于驱动盒体100内的空气流动,并形成第一散热气流。
请参照图1所示,第一风扇300形成的第一散热气流沿第一散热路径a流动,当第一散热气流流动到盒体100的内壁后,第一散热气流转向并形成第二散热气流,第二散热气流沿第二散热路径b流动。第一散热路径a和第二散热路径b之间的夹角可以是任意非零角度,例如为图1示出的60°等。
电子元器件400设置在安装板200的安装侧。在一些实施方式中,电子元器件400可以通过螺纹方式安装在安装板200的安装侧,在另一些实施方式中,电子元器件400可以通过焊接方式安装在安装板200的安装侧。
电子元器件400的数量为多个,多个电子元器件400设置在第一散热路径a和第二散热路径b上。在第一散热路径a上流动的第一散热气流将设置在第一散热路径a上的电子元器件400工作时产生的热量带走,进而对设置在第一散热路径a上的电子元器件400降温。在第二散热路径b上流动的第二散热气流将设置在第二散热路径b上的电子元器件400工作时产生的热量带走,进而对设置在第二散热路径b上的电子元器件400降温。
本申请实施例的电控盒,通过设置第一风扇300,并利用第一风扇300形成沿第一散热路径a流动的第一散热气流,第一散热气流流动到盒体100的内壁后流动方向发生改变进而转向,形成沿第二散热路径b流动的第二散热气流,利用第一散热气流和第二散热气流将设置在第一散热路径a和第二散热路径b上的电子元器件400工作时产生的热量带走,使得电子元器件400的温度在可靠的温度范围内,提升了电子元器件400的工作可靠性。
在一些实施方式中,第一散热路径a和第二散热路径b的首尾顺次连通,第一散热路径a和第二散热路径b形成循环散热路径。循环散热路径位于盒体100内,在循环散热路径上流动的第一散热气流的末端与第二散热气流的首端连接,在循环散热路 径上流动的第一散热路径a的首端与第二散热气流的末端连接,第一散热气流和第二散热气流形成循环气流,循环气流位于盒体100内。此时,第一散热气流和第二散热气流均与电子元器件400和盒体100换热,如此,将电子元器件400工作时产生的热量置换到盒体100的外部。
在一些实施方式中,第一散热路径a和第二散热路径b也可以不形成循环路径,该实施方式中,第一散热气流和第二散热气流也不形成循环气流。
请参阅图4、图5和图6,安装板200将盒体100内的空间分割为第一腔室110和第二腔室120,多个电子元器件400设置在第一腔室110内,第一散热气流和第二散热气流位于第一腔室110内,第二腔室120内设置有换热器500。
请参阅图4和图7,安装板200上设置有第一回风口210和第二回风口220。第一回风口210的形状和大小不做具体的限制,第一回风口210为通孔,第一回风口210的两端与第一腔室110和第二腔室120连通。第二回风口220的形状和大小不做具体的限制,第二回风口220为通孔,第二回风口220的两端与第一腔室110和第二腔室120连通。第一回风口210位于第一散热路径a的首端,第二回风口220位于第二散热路径b的尾端。
当第一风扇300工作时,第一风扇300将第二腔室120内的空气经第一回风口210驱动到第一腔室110内,并形成沿第一散热路径a流动的第一散热气流,第一散热气流经盒体的内壁转向后形成沿第二散热路径b流动的第二散热气流,第二散热气流经第二回风口220进入到第一腔室110内,如此,形成位于盒体100内部的循环气流,且该循环气流在第一腔室110和第二腔室120内循环流动。
在第一腔室110内的第一散热气流和第二散热气流与第一腔室110内的电子元器件400进行换热,将电子元器件400工作时产生的热量置换到第一腔室110内的第一散热气流和第二散热气流中。在第二腔室120内的空气与换热器500进行换热,第二腔室120内的空气携带的热量被置换到换热器500内的冷媒中,冷媒流出盒体100外部,如此,将电子元器件400工作时产生的热量置换到盒体100的外部。本申请中的换热器可以是微通道换热器。微通道换热器包括至少两组微通道。至少两组微通道包括供第一冷媒流流动的多个第一微通道以及供第二冷媒流流动的多个第二微通道,第二冷媒流从第一冷媒流吸热,以使得第一冷媒流过冷,或者第一冷媒流从第二冷媒流吸热,以使得第二冷媒流过冷。
本申请实施例的微通道换热器还可以作为空调器的经济器。这样微通道换热器既能够用于冷却电控盒内的电子元件,也能够作为经济器,从而可以避免在电控盒外再设置一个经济器,精简空调器的结构,节省空间,也能够节省成本。
下面结合附图对盒体100的结构进行详细说明。
在图8示出的实施方式中,盒体100包括盒本体130和盒盖140,盒本体130包括底板131和设置底板131的边缘上的侧板132,底板131和侧板132围合出具有开口的腔室,盒盖140盖设在盒本体130上,以封闭腔室的开口。其中,底板131可以为如图8示出的矩形板,侧板132可以为矩形环,盒盖140可以为如图8示出的矩形板,盒本体130和盒盖140围合出矩形箱体。
下面结合附图对安装板200的结构进行详细说明。
安装板200的形状可以为图7示出的矩形,安装板200可以通过螺纹方式、卡接方式、焊接方式等连接方式设置在盒体100内。例如,安装板200的边缘可以设置折弯板,折弯板上设置安装孔,盒体100上设置有固定板,固定板可以为L型板,固定板的一端与盒体100焊接,固定板的另一端设置有配合孔,折弯板上的安装孔和固定板上的配合孔对应设置,利用安装在安装孔和配合孔内的螺栓和螺钉,可以实现将安装板200固定在盒体100内。
在图7示出的实施方式中,安装板200上设置的第二回风口220的数量为多个,多个第二回风口220分布在沿安装板200的第一边并间隔设置,第一回风口210设置在安装板200的第二边,第一边和第二边相对设置。例如,在图7示出的实施方式中,第一边为安装板的上边,第二边为安装板的下边,第一回风口210设置在第一边的一端,第二回风口设置在第二边的整个边缘。如此设计,可以使得从第一腔室110进入第二腔室120内的空气与换热器500之间的接触面积增加,进而使得第二腔室120内的空气与换热器500之间的热交换的效率增加。
在一些实施例中,安装板200为矩形板,第一回风口210位于矩形板的第一边角,第二回风口220位于矩形板的第二边角,第二边角和第一边角位于矩形板的同一对角线的两端,如此,也可以实现第一腔室110内的空气经过第二回风口220进入到第二腔室120内,第二腔室120内的空气经过第一回风口210进入到第一腔室110内。
下面结合附图对第一风扇300进行详细说明。
安装板200上的第一风扇300可以是离心风扇、轴流风扇、贯流风扇中的一种,在图1示出的实施方式中,第一风扇300可以为轴流风扇。可以理解,对于本领域技术人员来说,将第一风扇300改为离心风扇或者贯流风扇为常规置换。
请参阅图4和图7所示,第一风扇300的外壳通过螺纹方式固定在安装板200上,第一风扇300的进口与安装板200的第一回风口210连通,第一风扇300的出口与第一散热路径a的首端相对。第一风扇300将第二腔室120内的空气抽吸到第一腔室110内部,在第一腔室110内形成第一散热气流。
电抗盒还包括第二风扇800,下面结合附图对第二风扇800进行详细说明。
请参阅图4和图6,第二风扇800设置在安装板200上,且第二风扇800位于第一腔室110内,第二风扇800设置在第一散热路径a或第二散热路径b上。第二风扇800可以是离心风扇、轴流风扇、贯流风扇中的中的一种。
在一些实施方式中,第二风扇800设置在第二散热路径b的首端,第一散热路径a例如沿着图1示出的盒体100的上侧长边,第二散热路径b例如沿着图1示出的盒体100的右侧短边,第二散热路径b的首端例如为图1示出的盒体100的右上角位置。此时,第二风扇800例如可以为贯流风机。
在另一些实施方式中,第二风扇800设置在第二散热路径b的尾端,第一风扇300和第二风扇800的出风方向不相交,第二风扇800用于形成沿第三散热路径c流动的第三散热气流,第二风扇例如为离心风机。第三散热路径c例如沿着图2示出的盒体100的下侧长边。在该实施方式中,第一风扇300和第二风扇800的出风方向不冲突,第一风扇300和第二风扇800的出风方向相反或者相对倾斜设置,例如,第一风扇300向又吹风,第二风扇800向下吹风,再例如,第一风扇300向右吹风,第二风扇800 向左吹风,且第一风扇300的出口与第二风扇800出口错开设置。
第二风扇800可以和第一风扇300配合调控盒体100内空气的流速和风量,如此,第一腔室110内的空气与第一腔室110内的电子元器件400之间的热交换效率增加,电子元器件400工作时产生的热量被及时带走,电子元器件400工作稳定性增加。
下面结合附图对电子元器件400进行说明。
多个电子元器件400分为第一元器件组和第二元器件组,第一元器件组和第二元器件组沿盒体100的宽度方向排布设置。第一元器件组靠近盒体100的上边设置,第二元器件组靠近盒体100的下边设置。
第一元器件组包括的电子元器件400的数量不做具体限制,可以为一个、两个、三个等。例如,当第一元器件组的数量为三个时,第一元器件组中的三个电子元器件400沿着第一散热路径a间隔排布。
在图9所示的实施方式中,第一元器件组可以包括电抗器410和滤波器420,电抗器410的数量可以为两个,滤波器420和电抗器410沿沿着第一散热气流的流动方向间隔排布,滤波器420设置在电抗器410的上游。在图9中,滤波器420和电抗器410沿图9中示出的盒体100的长度方向排布设置,且滤波器420靠近第一散热路径a的首端,电抗器410靠近第一散热路径a的尾端。
第二元器件组包括的电子元器件400的数量不做具体限制,可以为一个、两个、三个等。例如,当第二元器件组的数量为四个时,第二元器件组中的四个电子元器件400沿第二散热路径b间隔排布。
在图9所示的实施方式中,电控盒还包括扩展板600和电控模块组件700,电控模块组件700的数量可以为两个,扩展板600和电控模块组件700位于盒体100内,且扩展板600和电控模块组件700位于第一腔室110内。第二元器件组包括扩展板600和电控模块组件700,扩展板600和电控模块组件700为电路板。扩展板600和电控模块组件700沿第二散热路径b间隔排布,扩展板600和电控模块组件700的排布方向与图9示出的盒体100的长度方向平行,扩展板600与滤波器420相对设置,电控模块组件700与电抗器410相对设置。如图5和图6所示,在盒体100的宽度方向上,滤波器420相对电抗器410朝扩展板600方向凸出。
下面结合附图对换热器500进行说明。
请参阅图8,换热器500的部分结构位于盒体100的内部,换热器500位于盒体100外的部分与电控盒外的冷凝器连通。换热器500内部有流动的冷媒,冷媒在换热器500和冷凝器内循环流通。换热器500可以设置在第二腔室120内部,换热器500可以与从第一腔室110流动到第二腔室120的空气进行换热,从第一腔室110流动到第二腔室120的空气为与第一腔室110中的电子元器件400换热后的空气,换热器500与从第一腔室110流动到第二腔室120的空气换热后,从第一腔室110流动到第二腔室120的空气携带的热量,被置换到换热器500中的冷媒中,冷媒流动到冷凝器中,冷凝器位于盒体100外,冷凝器与盒体100外的空气换热,如此,实现将电子元器件400工作时产生的热量置换到盒体100的外部。
请继续参阅图8,换热器500一般包括冷媒换热部510,冷媒换热部510上设置有进入口和输出口,冷媒经过进入口进入到冷媒换热部510的内部,冷媒经过输出口从 冷媒换热部510的内部流动到冷媒换热部510的外部。
冷媒换热部510设置在第二腔室120内,冷媒在冷媒换热部510内部流通,从第一腔室110流到第二腔室120内的空气与冷媒换热部510接触,冷媒换热部510和第二腔室120内的空气进行热交换,第二腔室120内的空气所携带的热量被置换到冷媒换热部510内部的冷媒中,携带有热量的冷媒流动盒体100外的冷凝器中,冷凝器中的冷媒中携带的热量被置换到盒体100外的空气中,如此,实现将电子元器件400工作时产生的热量置换到盒体100外的空气中,使得电子元器件400可靠工作。
请继续参阅图8,换热器500还包括冷媒进入管520和冷媒输出管530。冷媒进入管520的第一端与冷媒换热部510的进入口连通,冷媒进入管520的第二端位于盒体100的外部,并且冷媒进入管520的第二端与冷凝器连通;冷媒输出管530的第一端与冷媒换热部510的输出口连通,冷媒输出管530的第二端位于盒体100的外部,并且,冷媒输出管530与冷凝器连通,如此,实现换热器500与盒体100外的冷凝器连通。
本申请实施例的电控盒,可以设置在空调上,例如,设置在中央空调的空调室外机上。与冷媒输出管530的第二端以及冷媒进入管520的第二端连接的冷凝器可以是中央空调的冷凝器,如此,可以利用中央空调工作过程中的冷媒,实现冷媒与电控盒内部的空气热交换,进而使得冷媒将电子元器件400工作时产生的热量置换到电控盒的外部。
在设置有换热器500的实施例中,示例性的,如图5和图8所示,盒体100上设置有第一通孔133和第二通孔134,其第一通孔133中穿装冷媒进入管520,第二通孔134中穿装冷媒输出管530,且冷媒进入管520的第一端位于电控盒的内部,冷媒进入管520的第二端位于电控盒的外部,冷媒输出管530的第一端位于电控盒的内部,冷媒输出管530的第二端位于电控盒的外部。
在设置有换热器500的实施例中,冷媒进入管520与盒体100之间设置有第一密封圈,第一密封圈用于将冷媒进入管520与第一通孔133的孔壁之间进行密封。冷媒输出管530与盒体100之间设置有第二密封圈,第二密封圈用于将冷媒输出管530与第二通孔134的孔壁之间进风密封。如此,可以防止电控盒外部的雨水等液体经第一通孔133和第二通孔134进入到电控盒内部,使得电子元器件400的使用安全性高。
图10为本申请实施例的电控盒的另一种结构示意图,图11为本申请实施例的电控盒的另一种结构示意图二,图12为本申请实施例的电控盒的风道隔板的结构示意图,图13为为图12中A位置的局部视图。
请参照图1至图13,在一些实施例中,本申请实施例的电控盒包括盒体100、安装板200、第一风扇300以及风道隔板150。盒体100内形成有安装空间,该安装空间可用于设置安装板200、第一风扇300和风道隔板150,盒体100可以对设置在该安装空间内的安装板200、风道隔板150和第一风扇300等进行保护。安装板200位于盒体100内,安装板200设置有多个电子元器件400;风道隔板150位于盒体100内,并固定在安装板200上,风道隔板150与安装板200以及盒体100围合出降温风道160,多个电子元器件400中至少部分电子元器件400位于降温风道160内。第一风扇300用于驱动空气在降温风道160内流动,以形成第一散热气流,第一散热气流与位于降 温风道160内的电子元器件400换热,进而带走降温风道160内电子元器件400工作时产生的热量。
本申请实施例的电控盒,通过风道隔板150、安装板200以及盒体100围合出降温风道160,通过第一风扇300驱动空气在降温风道内流动,形成第一散热气流;第一散热气流与位于降温风道160内的电子元器件400接触并进行换热,第一散热气流将降温风道160内的电子元器件400工作时产生的热量带走,降低了电子元器件400的温度,使得电子元器件400的工作可靠性增加。
第一风扇300还用于形成第二散热气流,第二散热气流位于降温风道160外,第一散热气流和第二散热气流首尾顺次连通以形成循环气流,循环气流位于盒体100内部。第二散热气流和第一散热气流均位于风道隔板150的两侧。
安装板200将盒体100内的腔室分割为第一腔室110和第二腔室120。第一风扇300、多个电子元器件400以及风道隔板150具设置在第一腔室110内,第二腔室120内设置有换热器500。
在一些实施方式中,第一散热气流和第二散热气流可以均位于第一腔室110内,此时,可以在第一腔室110内形成循环气流。
在另一些实施方式中,第二散热气流位于第二腔室120内,第一散热气流位于第一腔室110内,第一散热气流的第一端与第二散热气流的第一端连通,第一散热气流的第二端和第二散热气流的第二端连通。
在上述实施方式中,安装板200上设置有贯穿其的第一回风口210和第二回风口220,第一回风口210与第一风扇300的进口连通,第一风扇300的出口与降温风道160的首端连通,第二回风口220设置在降温风道160的尾端;第二腔室120内形成连通第一回风口210和第二回风口220的第二散热气流。第一回风口210和第二回风口220可以使得位于第一腔室110内的第一散热气流和位于第二腔室120内的第二散热气流可以循环,并形成循环气流。
在上述实施方式中,第一散热气流将第一腔室110内的电子元器件工作时产生的热量带走,并经第二回风口220进入到第二腔室120内,第二散热气流与位于第二腔室120内部的换热器500进行换热,并经第一回风口210进入到第一腔室110内,第一散热气流和第二散热气流循环,如此,电子元器件400工作时产生的热量被置换到换热器500内的冷媒中,换热器500内的冷媒流动到电控盒外部,并将热量带动电控盒外,如此,实现降低电子元器件400的温度,使得电子元器件400的工作可靠性提高。
本申请实施例的电控盒,以垂直于降温风道160的延伸方向的平面为截面,降温风道160的截面积可以在降温风道160内空气的流动方向上一直保持不变。但不限于此,降温风道160的截面积也可以在降温风道160内空气的流动方向上发生变化,例如,降温风道160的截面积在降温风道160内空气的流动方向上逐渐减小,再例如,降温风道160的中部的截面积大于降温风道160的两端部的截面积。
下面结合附图对盒体100进行详细说明。
盒体100包括盒本体130和盒盖140,盒本体130包括底板131和设置在底板131的边缘上的侧板132,底板131和侧板132围合出具有开口的腔室,盒盖140盖设在 盒本体130上,以封闭腔室的开口。盒本体130和盒盖140形成的盒体100为密闭壳体。其中,底板131可以为矩形板,侧板132可以为矩形环,盒盖140可以为矩形板,盒本体130和盒盖140围合出矩形箱体。
盒体100上设置有第一通孔133和第二通孔134,其第一通孔133中穿装下述的冷媒进入管520,第二通孔134中穿装下述的冷媒输出管530。
下面结合附图对安装板200的结构进行详细说明。
安装板200的形状可以为矩形,安装板200可以通过螺纹方式、卡接方式、焊接方式等连接方式设置在盒体100内。例如,安装板200的边缘可以设置折弯板,折弯板上设置安装孔,盒体100上设置有固定板,固定板可以为L型板,固定板的一端与盒体100焊接,固定板的另一端设置有配合孔,折弯板上的安装孔和固定板上的配合孔对应设置,利用安装在安装孔和配合孔内的螺栓和螺钉,可以实现将安装板200固定在盒体100内。
安装板200上设置的第二回风口220的数量为多个,多个第二回风口220分布在沿安装板200的第一边并间隔设置,第一回风口210设置在安装板200的第二边,第一边和第二边相对设置。例如,第一边为安装板的上边,第二边为安装板的下边,第一回风口210设置在第一边的一端,第二回风口设置在第二边的整个边缘。如此设计,可以使得从第一腔室110进入第二腔室120内的空气与换热器500之间的接触面积增加,进而使得第二腔室120内的空气与换热器500之间的热交换的效率增加。
下面结合附图对换热器500进行详细的介绍。
换热器500一般包括冷媒换热部510,冷媒换热部510上设置有进入口和输出口,冷媒经过进入口进入到冷媒换热部510的内部,冷媒经过输出口从冷媒换热部510的内部流动冷媒换热部510的外部。
换热器500还包括冷媒进入管520和冷媒输出管530,冷媒进入管520的第一端位于电控盒的内部,冷媒进入管520的第一端与冷媒换热部510的进入口连通,冷媒输出管530的第一端位于电控盒的内部,冷媒输出管530的第一端与冷媒换热部510的输出口连通,冷媒进入管520的第二端位于电控盒的外部,冷媒输出管530的第二端位于电控盒的外部,冷媒输出管530的第二端和冷媒进入管520的第二端均与冷凝器连通,如此,实现冷媒循环。
本申请实施例提供的电控盒,可以设置在空调器上,例如,设置在中央空调的室外机上。与冷媒输出管530的第二端以及冷媒进入管520的第二端连接的冷凝器可以是中央空调的冷凝器,如此,可以利用中央空调工作过程中的冷媒,实现冷媒与第二腔室120内部的第二散热气流进行热交换,进而使得电子元器件400的工作可靠性高。
冷媒进入管520与盒体100之间设置有第一密封圈,第一密封圈用于将冷媒进入管520与第一通孔的孔壁之间进行密封。冷媒输出管530与盒体100之间设置有第二密封圈,第二密封圈用于将冷媒输出管530与第二通孔的孔壁之间进行密封。如此,可以防止电控盒外部的雨水等液体经第一通孔和第二通孔进入到电控盒内部,使得电子元器件400的使用安全性高。
在一些实施例中,安装板200固定在盒体100上,换热器500固定在安装板200上。安装板200可以通过螺纹连接、卡接、焊接中至少一种方式连接在盒体上。例如, 安装板200的边缘可以设置折弯板,折弯板上设置安装孔,盒体100上设置有固定板,固定板可以为L型板,固定板的一端与盒体100焊接,固定板的另一端设置有配合孔,折弯板上的安装孔和固定板上的配合孔对应设置,利用安装在安装孔和配合孔内的螺栓或螺钉可以实现将安装板200固定在盒体100内。
本申请中的换热器可以是微通道换热器。微通道换热器包括至少两组微通道。至少两组微通道包括供第一冷媒流流动的多个第一微通道以及供第二冷媒流流动的多个第二微通道,第二冷媒流从第一冷媒流吸热,以使得第一冷媒流过冷,或者第一冷媒流从第二冷媒流吸热,以使得第二冷媒流过冷。
本申请实施例的微通道换热器还可以作为空调器的经济器。这样微通道换热器既能够用于冷却电控盒内的电子元器件,也能够作为经济器,从而可以避免在电控盒外再设置一个经济器,精简空调器的结构,节省空间,也能够节省成本。
下面结合附图对风道隔板150进行详细说明。
风道隔板150包括主板体152和副板体153,主板体152和副板体153连接。在实际的产品中,主板体152和副板体153可以为一体结构,例如,主板体152和副板体153可以通过注塑成型方式一体成型,或冲压方式成型。
主板体152和副板体153还可以通过螺纹连接方式连接,例如,在主板体152上设置第一螺纹孔,在副板体153上设置第二螺纹孔,主板体152的侧面与副板体153的端面相对设置,且第一螺纹孔和第二螺纹孔对应设置,通过设置在第一螺纹孔和第二螺纹孔中的螺纹紧固件,将主板体152和副板体153连接。当然,主板体152和副板体153也可以通过卡接、焊接和螺纹连接中的至少一种方式连接在一起。
在一些实施方式中,可以在主板体152朝向安装板200的一边设置卡扣154,在副板体153朝向安装板200的一边设置卡扣154,在安装板200上设置与卡扣154对应设置的卡口,利用主板体152上的卡扣154和副板体153上的卡扣154卡接在卡口内,实现将风道隔板150安装在安装板200上。卡扣154的结构可以为图9示出的结构,每个卡扣154包括两个悬臂1541和设置在每个悬臂1541上的凸起1542,每个卡扣154中,两个悬臂1541上设置的两个凸起1542相背离设置。
主板体152和副板体153呈夹角设置,例如,主板体152和副板体153的夹角为90°、100°、80°等。
主板体152可以和安装板200、侧板132以及盒盖140围合出第一风道161,副板体153可以和安装板200、侧板132以及盒盖140围合出第二风道162。第一风道161的出风端与第二风道162的进风端连通,第一风道161和第二风道162共同构成上述的降温风道160。
风道隔板150具有凹槽151,凹槽151被配置为避位与凹槽151相对的电子元器件400,如此,可以使得降温风道160内设置不同尺寸大小的电子元器件400,同时还可以保证空气在降温风道160流动。
上述凹槽151可以形成在主板体152上。主板体152可以为一体结构,凹槽151可以由主板体152折弯形成。主板体152也可以由顺次连接的第一端板1524、第一板体1521、第二板体1522、第三板体1523以及第二端板1525连接形成,此时,凹槽151可以由第一板体1521、第二板体1522和第三板体1523围合形成,凹槽151的槽 口朝向降温风道160的内部。
第一板体1521的第一端和第二板体1522的第一端连接,第二板体1522的第二端和第三板体1523的第一端连接,第三板体1523的第二端与第二端板1525的第一端连接,第二端板1525的第二端与副板体153连接,第一端板1524的第一端与第一板体1521的第二端连接,第一端板1524的第二端对应第一风道161的进风端,第二端板1525的第二端对应第一风道161的出风端。
第一板体1521的长度和第三板体1523的长度可以相等,也可以不相等,例如,在图3和图5中,第一板体1521的长度大于第三板体1523的长度。如此设计,可以使得在第一端板1524的位置、第二板体1522的位置以及第二端板1525位置,第一风道161的截面积不相等,以便于在第一风道161内部布置不同尺寸的电子元器件400。
下面结合附图对电子元器件400进行详细说明。
在一些实施例中,多个电子元器件400可以均设置在降温风道160内,利用在降温风道160内的流动的第一散热气流及时将电子元器件400工作时产生的热量带走。
在另一些实施例中,多个电子元器件400中的一部分电子元器件400设置在降温风道160内,剩余部分电子元器件400设置在降温风道160外,并且可以将对温度变化敏感的电子元器件400设置在降温风道160内,将对温度变化不太敏感的电子元器件400设置在降温风道160外;或者说,可以将在工作状态下产生热量相对较多且易受温度影响的电子元器件400设置在降温风道160内,在工作状态下产生热量相对较少且不易受温度影响的电子元器件400设置在降温风道160外。
多个电子元器件400和风道隔板150位于安装板200的同一侧,多个电子元器件400中的一部分电子元器件400位于降温风道160内,也即,部分电子元器件400位于风道隔板150的第一侧,剩余部分电子元器件400位于风道隔板150的第二侧,风道隔板150的第一侧例如为图3示出的上侧,风道隔板150的第二侧例如为图3示出的下侧,风道隔板150的第一侧和风道隔板150的第二侧相背设置。
多个电子元器件400可以包括电抗器410和滤波器420,电抗器410的数量可以为两个,滤波器420和电抗器410沿第一散热气流的流动方向间隔排布,电抗器410和滤波器420设置在降温风道160内,滤波器420设置在电抗器410的上游。滤波器420和电抗器410设置在第一风道161内,滤波器420和电抗器410沿盒体100的长度方向排布设置,且滤波器420靠近第一风道161的进风端,电抗器410靠近第一风道161的出风端。
在一些实施方式中,电控盒还包括扩展板600和电控模块组件700,扩展板600和电控模块组件700均可以为电路板,扩展板600和电控模块组件700位于盒体100内。电控模块组件700的数量可以为两个,扩展板600和电控模块组件700沿风道隔板150的延伸方向间隔排布。扩展板600和电控模块组件700位于降温风道160的外部,扩展板600和电控模块组件700的排布方向与图3示出的盒体100的长度方向平行,扩展板600与滤波器420相对设置,电控模块组件700与电抗器410相对设置。
在盒体100的宽度方向上,滤波器420相对电抗器410朝扩展板600方向凸出,电控模块组件700相对扩展板600朝电抗器410方向凸出,此时,第一板体1521、第二板体1522以及第三板体1523围绕设置在滤波器420靠近扩展板600的一端。
下面结合附图对第一风扇300进行详细说明。
第一风扇300可以是离心风扇、轴流风扇、贯流风扇中的一种,在图1示出的实施方式中,第一风扇300可以为轴流风扇。可以理解,对于本领域技术人员来说,将第一风扇300改为离心风扇或者贯流风扇为常规置换。第一风扇300可以同螺纹连接、焊接、卡接中至少一种方式设置在安装板200上。
第一风扇300通过螺纹方式固定在安装板200上,第一风扇300的进口与安装板200的第一回风口210连通,第一风扇300设置在第一风道161的进风端位置,第一风扇300将第二腔室120内的空气抽吸到第一腔室110内部,在第一腔室110内形成第一散热气流。第一风扇300的出口和降温风道160的进风端连通。
电抗盒还包括第二风扇800,下面结合附图对第二风扇800进行详细说明。
第二风扇800设置在安装板200上,且第二风扇800位于第一腔室110内,第二风扇800可以是离心风扇、轴流风扇、贯流风扇中的中的一种。
在一些实施方式中,第二风扇800设置在降温风道160内,第二风扇800的出风方向与第一散热气流的方向相同,第一风扇300的出风方式从左到右,第二风扇800的出风方向为由上至下。
第二风扇800可以和第一风扇300配合调控盒体100内空气的流速和风量,如此,第一腔室110内的空气与第一腔室110内的电子元器件400之间的热交换效率增加,电子元器件400工作时产生的热量被及时带走,电子元器件400工作稳定性增加。
图14为本申请实施例的电控盒的去除盒盖后的爆炸示意图,图15为本申请实施例的电控盒的电控模块组件的结构示意图,图16为本申请实施例的散热板的结构示意图。
请参照图1至图16,在一些实施例中,本申请提供的电控盒,包括具有密闭容置腔101的盒体100、散热组件和电控模块组件700。其中,盒体100用于容纳散热组件以及电控模块组件700;散热组件起到散热的作用,电控模块组件700用于控制空调室外机的风机和压缩机的工作状态。
示意性的,盒体100为矩形盒体,其可以包括底板131、盒盖140、前侧板1321、后侧板1322、左侧板1323以及右侧板1324。结合图3,左侧板1323和右侧板1324均沿Y方向延伸,且左侧板1323和右侧板1324沿X方向间隔设置;后侧板1322位于左侧板1323和右侧板1324的后端,如此形成前端和顶端具有开口的半壳结构。在一些实现方式中,后侧板1322、左侧板1323以及右侧板1324与底板131可以采用诸如模塑或者冲压等工艺一体成型。
前侧板1321可以采用螺栓、卡扣等方式固定在底板131的前侧,前侧板1321与后侧板1322均沿X方向延伸,且前侧板1321与后侧板1322沿Y方向间隔设置。
盒盖140与底板131相对,盒盖140也可以采用螺栓、卡扣等方式固定在前侧板1321、后侧板1322、左侧板1323以及右侧板1324的顶端。
需要指出的是,盒体100内的密闭容置腔101既有利于保护盒体100的电器件,还可以避免外部热量影响电器件散热。举例而言,在装配时,可以通过设置密封胶、密封圈来将上文中的底板131、盒盖140、前侧板1321、后侧板1322、左侧板1323以及右侧板1324之间密封连接,从而在盒体100内形成密闭容置腔101。本申请实施 例的电控盒例如可以是密闭电控盒。这样能够避免水滴、灰尘等其他异物进入电控盒内,对电控盒内的电子元件造成损坏,达到防水、防尘、防腐蚀的效果。
当然,盒体100的形状并不限于上文中的矩形,其还可以是其他形状。例如,盒体100还可以是可以是圆柱形盒体或者异形盒体等。此外,在空调室外机的机壳内装配电控盒时,可以选用任意合适的面来固定,例如,可以将电控盒的后侧板1322挂设在室外机的机壳内部,也可以将其底板131固定在机壳内。
散热组件作为将电控盒内热量散发到电控盒外的部件,其包括换热器500和散热板540,散热板540包括相对的第一面541和第二面542,第一面541上安装有电控模块组件700,且第一面541与电控模块组件700接触,第二面542安装有换热器500,换热器500与散热板可以焊接。换热器500可以是但不限于微通道换热器。如此,电控模块组件700的热量可以通过散热板540传递到换热器500。
示例性的,散热板540包括本体板543以及设置在本体板543上的凸台544,凸台544与电控模块组件700连接,本体板543背离凸台544的一面与换热器500焊接。通过设置凸台544保证散热板540与电控模块组件700接触散热。
本实施例的换热器500包括冷媒进入管520、连通冷媒输出管530以及多个沿Y方向间隔设置的冷媒换热部510,冷媒换热部510用于流通换热介质,冷媒换热部510可以是圆形管、方形管等。本实施例的冷媒换热部510可以是扁管,其横截面例如可以是但不限于是矩形、圆形、椭圆形、梯形、梯形等。如此冷媒换热部510具有相对的第一表面和第二表面,如此可以提供较大的换热面积,进而提高换热效率。
冷媒换热部510的第一端与冷媒进入管520连通,冷媒换热部510的第二端与冷媒输出管530连通,如此换热介质从冷媒进入管520进入到冷媒换热部510内,然后经由冷媒输出管530排出。
冷媒进入管520和冷媒输出管530沿垂直于冷媒换热部510的长度方向(对应图中Y方向)延伸,如此可以与所有的冷媒换热部510连通。示例性的,冷媒进入管520设置有两个,冷媒输出管530设置有两个,如此设置有利于提高换热介质的流量,进而有利于提高散热效果。当然,冷媒进入管520和冷媒输出管530的数量不限于此。
本申请实施例中的换热器500可以是微通道换热器。微通道换热器包括至少两组微通道。至少两组微通道包括供第一冷媒流流动的多个第一微通道以及供第二冷媒流流动的多个第二微通道,所述第二冷媒流从所述第一冷媒流吸热,以使得所述第一冷媒流过冷,或者所述第一冷媒流从所述第二冷媒流吸热,以使得所述第二冷媒流过冷。
本申请实施例的微通道换热器还可以作为空调器的经济器。这样微通道换热器既能够用于冷却电控盒内的电子元件,也能够作为经济器,从而可以避免在电控盒外再设置一个经济器,精简空调器的结构,节省空间,也能够节省成本。
本实施例的散热组件通过设置换热器500流通换热介质,换热介质与空气换热降低盒体100内的空气温度;并通过设置散热板540与电控模块组件700固定且接触,将电控模块组件700的热量导出而降低电控模块组件700的温度。
此外,散热板540的第二面542可以焊接在换热器500上,起到加强换热器500的作用,避免冷媒换热部510弯曲变形或者移位后多根冷媒换热部510重叠在一起,保证冷媒换热部510内的换热介质能够顺畅流动且具有最大的换热面积。在后续第一 风扇300在驱动盒体100内的空气内循环时,空气能够穿过相邻两个冷媒换热部510之间的间隔并与流通有换热介质的冷媒换热部510的表面充分接触换热,有利于提高换热效率,从而提高散热效果。
本实施例中,换热器500和电控模块组件700分别安装在散热板540的两面,热量可以通过散热板540传递至换热器500,经换热器500将热量散发到盒体100外侧,降低电控盒内的热量。
本实施例的电控模块组件700包括板体730、风机模块710和压缩机模块720,风机模块710和压缩机模块720具有间隔,且风机模块710和压缩机模块720均设于板体730上。其中,风机模块710用于控制空调室外机的风机,压缩机模块720用于控制空调室外机的压缩机,由此风机模块710和压缩机模块720产生大量的热量。电控模块组件700还可以包括电容、电阻等电器元件,电容、电阻等电器元件设于板体730上。
风机模块710和压缩机模块720均与散热板540的第一面541接触且连接。风机模块710与散热板540螺接固定,连接方式简单可靠;风机模块710和散热板540之间设置有导热胶层,提高导热效率。压缩机模块720与散热板540螺接固定,连接方式简单可靠;压缩机模块720和散热板540之间设置有导热胶层,提高导热效率。
散热板540可以设置一个,风机模块710和压缩机模块720同时固定在一个散热板540上;散热板540也可以设置有多个,且多个散热板540并排设于换热器500上。此时,风机模块710和压缩机模块720可以固定在同一个散热板540上,也可以分别固定在不同的散热板540上。
本实施例的电控盒还包括第一风扇300和电抗器410,第一风扇300用于带动空气流动,电抗器410起到限流和滤波的作用,使得空调室外机运行更加稳定。第一风扇300和电抗器410均安装在密闭容置腔101,例如,第一风扇300可以安装在密闭容置腔101的侧壁上,第一风扇300还可以安装在密闭容置腔101内的安装结构上。
电抗器410可以安装在密闭容置腔101的侧壁上,电抗器410也可以安装在密闭容置腔101内的安装结构上。电抗器410与电控模块组件700具有间隔,且电抗器410与第一风扇300的出风口相对,如此电抗器410产生的热量可以在第一风扇300的作用下被空气带走,实现降温。
本实施例的电控盒还包括安装板200,安装板200用于安装电器件等。安装板200固定在盒体100内,例如,安装板200通过螺接、卡接的方式固定在盒体100内。安装板200具有相对的第一安装面和第二安装面,第一安装面朝向底板131,第二安装面朝向盒盖140。安装板200可以是矩形板,其与盒体100的底板131和盒盖140平行设置。结合图3和图7,安装板200将密闭容置腔101分隔为第一腔室110和第二腔室120,第一安装面位于第一腔室110内,第二安装面位于第二腔室120内。
散热组件位于第一腔室110内并能将热量导出盒体100,散热组件的散热板540的第一面541与安装板200固定连接,散热板540可以通过卡接、螺接等方式安装在第一安装面上。示例性的,散热板540与安装板200通过螺钉连接,连接方式稳定可靠;散热板540的第一面541和第一安装面之间还可以设有导热胶层,提高热量的传递效率。
电抗器410位于第二腔室120内,电抗器410与第二腔室120的侧壁固定连接,例如,电抗器410可以安装在围成第二腔室120的盒体100侧板上,电抗器410还可以安装在安装板200上。本实施例的电抗器410安装在第二安装面上,电抗器410可以通过卡接、螺接等方式安装在第二安装面上。
在散热板540安装在第一安装面、电抗器410安装在第二安装面上时,电抗器410产生的热量可以通过安装板200传递至散热板540,经换热器500将热量散发至盒体100的外,降低电控盒内的热量。
在一些实现方式中,电抗器410安装在安装板200上,此时,电抗器410可以在第一风扇300的作用下进行风冷。
在另一些实现方式中,电抗器410安装在散热板540上,此时,电抗器410不仅可以在第一风扇300的作用下进行风冷,其热量还可以通过散热板540传递给换热器500,通过与换热器500中的换热介质换热进行散热。
下面将具体介绍上述两种散热方式,一种是通过设置风扇使得第一腔室110的空气和第二腔室120的空气交换,进行风冷散热;另一种通过在安装板200设置安装开口230,使得电抗器410直接与散热板540接触散热,同时进行风冷散热和换热器冷媒散热。
为了实现第一腔室110和第二腔室120空气的流动,安装板200的一部分被构造成进风格栅201,示例性的,安装板200的前侧被构造成进风格栅201,进风格栅201沿X方向延伸,方便第二腔室120的空气能够安装板200的长边方向(对应图中X方向)的各个位置进入第一腔室110进行散热,避免局部空气排出受阻而导致局部热量较高。
第一风扇300能够提高第一腔室110和第二腔室120空气的流动速度,在第一风扇300的作用下,第二腔室120内的空气吹至第一腔室110的散热组件进行换热,并将换热后的空气吹回至第二腔室120,在盒体100内部实现气体的流动和换热,有利于保证盒体100内部空气的洁净度。
第一风扇300与进风格栅201之间具有第一预设间隔,有利于延长空气的流动路径,提高散热效果。第一风扇300的进风口伸入第一腔室110内,第一风扇300的出风口伸入第二腔室120内,如此在第一风扇300的作用下,第一腔室110内的温度较低的空气经由进风口进入到第一风扇300内部,然后经由出风口排入到第二腔室120内;空气携带第二腔室120内的热量,经由进风格栅201返回第一腔室110,与散热组件换热后温度降低。如此循环往复,降低第一腔室110内电器件的温度。
其中,第一风扇300的进风口伸入到第一腔室110内,实现与第一腔室110的连通。当然,这并不是限制性的,例如,安装板200上设置有通孔,第一风扇300的进风口与通孔正对,实现与第一腔室110的连通。第一风扇300的出风口伸入到第二腔室120内,实现与第二腔室120的连通。在第一风扇300可以安装在第二安装面上时,第一风扇300的出风口位于第二腔室120内。
本实施例中,第一风扇300和电抗器410等电器件安装在安装板200的第二安装面,如此设置方便信号的传输和供电。示例性的,第一风扇300包括壳体以及安装在壳体内的风扇,壳体螺接或者卡接等固定在第二安装面上。壳体上设置有进风口和出 风口,进风口与安装板200上设置的通孔正对,实现进风口与第一腔室110的连通;出风口位于第二腔室120内。
本实施例的第一风扇300的出风口与进风格栅201形成风道,电抗器410安装在风道内,如此,电抗器410位于第一风扇300的出风口一侧,第一风扇300吹出的冷空气可以快速与电抗器410接触,带走电抗器410产生的热量,提高电抗器410的散热效果。
在一些可能的实现方式中,安装板200上安装有风道隔板150,风道隔板150、安装板200以及盒体100限定形成风道。风道隔板150可以通过卡接、粘接、螺接等方式固定在安装板200上。
本实施例的电控盒还可以包括主板430、电源板440、滤波器420以及扩展板600。其中,各电路及传感器的数据信号传递至主板430;电源板440用于将电能分配至各个用电器件;滤波器420用于过滤谐波,保证电器件运行的稳定性;扩展板600用于连接用户扩展的设备。当然,电控盒内的电器件不以此为限制。
电源板440、第一风扇300、滤波器420以及电抗器410沿X方向间隔设置在安装板200的顶端,形成第一组电器件;主板430、扩展板600以及电控模块组件700沿X方向间隔设置在安装板200上,形成第二组电器件。第一组电器件、第二组电器件以及进风格栅201沿Y方向并排设置,并且第一组电器件和第二组电器件之间设置有风道隔板150。
通过上述设置,第一风扇300的出风口排出的风沿风道依次经过滤波器420、电抗器410进入进风格栅201,并带动风道隔板150和进风格栅201之间的空气流动,通过进风格栅201进入第一腔室110。如此设置,可以避免产生较多热量的电抗器410向其他电器件传递热量而影响其他电器件,有利于提高散热效果。
为了使得第一风扇300排出的风流向进风格栅201,电控模块组件700与盒体100的右侧板1324之间设置有间隔,使得风道大体呈L型,延长空气的流动距离,提高散热效果。空气在拐角处速度受到影响,本实施例为了提高空气在风道中的流动速度,在风道中还设置有第二风扇800,第二风扇800固定在安装板200的第二安装面上,起到加速空气流动的作用。示例性的,第二风扇800安装在电控模块组件700和盒体100的右侧板1324之间,提高空气的流动速度,提高散热效果。
本申请实施例对风道隔板150的具体结构不做限定,其可以根据电器件的尺寸、安装布局方式等进行设置。
本实施例的电控盒,通过设置安装板200,将散热组件和电抗器410分隔第一腔室110和第二腔室120内;并通过将安装板200的一部分构造成进风格栅201,在安装板200上安装有第一风扇300,第一风扇300的进风口与第一腔室110连通,第一风扇300的出风口与第二腔室120连通,如此,第一风扇300能够将第一腔室110内温度较低的空气吹至第二腔室120内,空气携带电抗器410等产生的热量后经由进风格栅201返回至第一腔室110,通过与散热组件换热将热量排出电控盒。如此循环往复,达到降低电控盒内温度的目的。而且,通过第一风扇300带动空气流动,不仅可以将电抗器410产生的热量带走,还可以将其他电器件产生的热量带走,有利于提高散热效率。
电控模块组件700远离第一风扇300的出风口,在第一风扇300的出风口排出的空气流通至电控模块组件700时,已经携带电抗器410等电器件产生的热量。为了提高对电控模块组件700散热效果,结合图1和图3,本实施例在安装板200上还设有至少一个安装开口230,安装开口230位于进风格栅201和第一风扇300之间。安装开口230贯穿安装板200的厚度方向(对于图中Z方向),安装开口230可以是圆形开口、多边形开口、不规则形状的开口等,本实施例对安装开口230的形状不做限定。
此时,散热板540的至少一部分暴露于安装开口230内,散热板540的形状和大小可以与安装开口230的形状和大小一致,即,散热板540全部暴露于安装开口230内。本实施例中,散热板540部分结构暴露于安装开口230内,另外部分结构与第一安装面贴合,且通过螺钉固定连接。
电控模块组件700与暴露于安装开口230内的散热板540固定连接,也就是说,电控模块组件700直接与散热板540接触,电控模块组件700产生的热量直接通过散热板540传递到换热器500进行换热,散热效率高。示例性的,电控模块组件700与散热板540通过螺钉固定连接,且电控模块组件700和散热板540之间设置有导热胶层,提高热量的传递效率。
本实施例的电控模块组件700设置有多个,多个电控模块组件700沿安装板200的长度方向(对应图中X方向)间隔设置,示例性的,沿安装板200的长度方向(对应图中X方向)间隔设置有两个电控模块组件700。
多个电控模块组件700共用一个安装开口230。安装开口230内可以设置一个散热板540,即,所有的电控模块组件700均固定在同一个散热板540上;此时,相邻两个电控模块组件700之间具有间隔,而使得散热板540的一部分暴露在安装开口230内,如此气流可以从散热板540经过,有利于提高散热效率。
多个电控模块组件700各自对应一个安装开口230,结合图1和图2,安装板200上设置有两个安装开口230,两个电控模块组件700各自对应一个安装开口230。散热板540可以设置有一个,该散热板540均有部分结构分别暴露于两个安装开口230内。散热板540也可以设置有两个,每个散热板540对应其中一个安装开口230。
结合图1至图3,安装板200沿X方向并排设置有两个安装开口230,散热组件设置有一个散热板540,散热板540的部分结构各自暴露于两个安装开口230内。电控模块组件700设置有两个,左侧的电控模块组件700与暴露于左侧安装开口230内的散热板540固定连接,右侧的电控模块组件700与暴露于右侧安装开口230内的散热板540固定连接。如此设置方便散热板540与安装板200固定连接,而且两个安装开口230之间的部分安装板200还可以为走线提供空间。
在一些可能的实现方式中,电抗器410依靠气流散热,电抗器410与散热板540之间被安装板200隔开。参照图4和图5,其中图5为本申请实施例二提供的电控盒去除风道隔板和电控模块组件的结构示意图。电抗器410与第二安装面螺接固定,此时,电抗器410产生的热量可以通过安装板200传递至散热组件,也可以通过第一风扇300带动空气流动传递到散热组件。
在另一些可能的实现方式中,电抗器410直接与散热组件接触传递热量而散热。此时,电抗器410与暴露于安装开口230内的散热板540固定连接,例如,电抗器410 与散热板540螺接、卡接等,从而使得电抗器410与散热板540接触导热。为了提高热量的传递效率,本实施例的电抗器410与散热板540之间还设置有导热胶层。
本实施例的电抗器410包括电抗器本体412以及与电抗器本体412连接的固定板411,固定板411的一部分与安装板200固定连接,固定板411的另一部分与散热板540固定连接。固定板411与安装板200可以通过螺接、卡接等方式固定;固定板411与散热板540通过螺接、卡接等方式固定。本实施例电抗器410同时与安装板200和散热板540固定连接,有利于提高电抗器410安装的稳定性和可靠性。
在电抗器410与散热板540固定连接时,电抗器410的固定板411部分覆盖安装开口230,使得另外部分安装开口230内的散热板540暴露于第一腔室110内,如此设置还可以使得第一腔室110内的空气流经散热板540,从而进行接触换热,有利于提高散热效果。
电抗器410与电控模块组件700共用一个安装开口230,如此设置,在安装板200上加工一个安装开口230即可,无需加工多个安装开口230,有利于提高加工的便利性。
电抗器410与电控模块组件700各自对应一个安装开口230,此时的安装开口230设置有多个。电抗器410和电控模块组件700各自对应一个安装开口230,可以避免电抗器410和电控模块组件700产生的热量相互影响。
本实施例的电抗器410可以设有多个,且多个电抗器410沿风的流向并排安装在风道内;多个电抗器410沿X方向并排设置在第一风扇300的出口一侧。在本实施例中,电抗器410设置有两个,且两个电抗器410和第一风扇沿X方向间隔设置。
多个电抗器410共用一个安装开口230,如此设置可以减少在安装板200上加工开口的数量,提高加工效率。多个电抗器410各自对应一个安装开口230,如此设置可以避免多个电抗器410之间相互影响散热。
示例性的,安装板200沿X方向间隔设置有两个安装开口230,散热板540设置有一个,散热板540的一部分结构暴露于左侧的安装开口230内,散热板540的另一部分结构暴露于右侧的安装开口230内。电控盒内设置有两个电抗器410和两个电控模块组件700。左侧的电抗器410和左侧的电控模块组件700共用左侧的安装开口230,右侧的电抗器410和右侧的电控模块组件700共用右侧的安装开口230。
本申请实施例提供的空调室外机,其包括本申请提供的上述电控盒和外壳900,电控盒如图17所示位于外壳900内部。
本申请实施例提供的空调室外机,可以是中央空调的室外机。电控盒设置在中央空调室外机的外壳内部。与电控盒内的换热器500连通的冷凝器可以是中央空调的室外机中的换热器。
中央空调的室外机内部设置有两个压缩机和室外风机,上述电控盒中的每个电控模块组件用于与对应一个压缩机连接,并对对应一个压缩机进行控制。上述电控盒内的每个电控模块组件还用于与对应一个室外风机连接,并对对应一个室外风机进行控制。
由于本申请实施例的空调室外机采用了上述电控盒的技术方案,因此至少具有上述电控盒的技术方案所带来的所有有益效果,在此不再一一赘述。
本申请实施例提供的空调器,包括本申请实施例提供的上述空调室外机。
本申请实施例的空调器,可以是中央空调,中央空调包括中央空调的室外机和中央空调的室内机。中央空调的室外机安装在室外,中央空调的室内机安装在室内,中央空调的室内机和中央空调的室外机共同配合工作实现空调制冷、制热、除湿等功能。中央空调中,中央空调的室外机的数量为一个,中央空调的室内机的数量为两个以上。
中央空调的室内机中通常设置有室内换热器,中央空调的室外机中通常设置有室外换热器,室内换热器和室外换热器通常通过冷媒管道连通,使得室内换热器和室外换热器之间的冷媒可以流通。中央空调在制冷过程中,室内换热器为蒸发器,蒸发器中的冷媒从液体吸热变为气态;在冷媒蒸发吸热的过程中,蒸发器与流过蒸发器的空气进行热交换,将中央空调的室内机中的空气中的热量带走,进而使得排出中央空调的室内机的空气为放热降温后的空气,中央空调的室内机吹冷风;同时,室外换热器为冷凝器,冷凝器中的冷媒从气态变为液态;在冷媒冷凝放热的过程中,冷凝器与流过冷凝器的中央空调的室外机中空气进行热交换,使得中央空调的室外机中的空气将冷凝器的热量带到中央空调的室外机外部,如此,实现制冷过程。
中央空调在制热过程中,室外换热器为蒸发器,蒸发器中的冷媒从液态吸热变为气态;在冷媒蒸发吸热的过程中,蒸发器与流过蒸发器的空气进行热交换,将中央空调的室外机中的空气中携带的热量置换到蒸发器内的冷媒中;同时,室内换热器为冷凝器,冷凝器中的冷媒从气态变为液态;在冷媒冷凝放热的过程中,冷凝器与流过冷凝器的中央空调的室内机中的空气进行热交换,使得中央空调的室内机中的空气将冷凝器携带的热量带走,并从中央空调的室内机排放到中央空调的室内机外的室内,使得中央空调的室内机吹热风,如此,实现制热过程。
上述电控盒即安装在中央空调的室外机内。电控盒例如可以用于对中央空调的室外机中的压缩机的工作过程进行控制,电控盒内的换热器500例如可以与室外换热器连通。
由于本申请实施例的空调器采用了上述电控盒的技术方案,因此至少具有上述电控盒的技术方案所带来的所有有益效果,在此不再一一赘述。
在本申请的描述中,需要理解的是,术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本申请和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本申请的限制。
此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本申请的描述中,“多个”的含义是至少两个,例如两个,三个等,除非另有明确具体的限定。
在本申请中,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或成一体;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连, 可以是两个元件内部的连通或两个元件的相互作用关系,除非另有明确的限定。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本申请中的具体含义。
在本申请中,除非另有明确的规定和限定,第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触,或第一和第二特征通过中间媒介间接接触。而且,第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方,或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方,或仅仅表示第一特征水平高度小于第二特征。
在本说明书的描述中,参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外,在不相互矛盾的情况下,本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本申请的实施例,可以理解的是,上述实施例是示例性的,不能理解为对本申请的限制,本领域的普通技术人员在本申请的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (28)

  1. 一种电控盒,其特征在于,包括盒体以及设置在所述盒体内的安装板,所述安装板的安装侧设置有第一风扇和多个电子元器件,所述第一风扇用于形成沿第一散热路径流动的第一散热气流,所述第一散热气流经所述盒体的内壁转向后形成沿第二散热路径流动的第二散热气流;所述多个电子元器件分布在所述第一散热路径和所述第二散热路径上,且所述第一散热路径和所述第二散热路径位于所述安装板的安装侧。
  2. 根据权利要求1所述的电控盒,其特征在于,所述第一散热路径和所述第二散热路径的首尾顺次连通形成一循环散热路径。
  3. 根据权利要求1所述的电控盒,其特征在于,所述安装板将所述盒体内的空间分割为第一腔室和第二腔室,所述多个电子元器件设置在所述第一腔室内;
    所述第二腔室内设置有换热器。
  4. 根据权利要求3所述的电控盒,其特征在于,所述安装板上设置有贯穿所述安装板的第一回风口和第二回风口,且所述第一回风口位于所述第一散热路径的首端,所述第二回风口位于所述第二散热路径的尾端。
  5. 根据权利要求4所述的电控盒,其特征在于,所述第一风扇的进口与所述第一回风口连通,所述第一风扇的出口与所述第一散热路径的首端相对。
  6. 根据权利要求4所述的电控盒,其特征在于,所述安装板为矩形板,所述第一回风口位于所述矩形板的第一边角,所述第二回风口位于所述矩形板的第二边角,所述第二边角和所述第一边角位于所述矩形板的同一对角线的两端。
  7. 根据权利要求4所述的电控盒,其特征在于,所述第二回风口的数量为多个,多个所述第二回风口分布在沿所述安装板的第一边间隔设置;
    所述第一回风口设置在所述安装板的第二边,所述第一边和所述第二边相对设置。
  8. 根据权利要求1-7任一项所述的电控盒,其特征在于,还包括风道隔板,所述风道隔板设置在所述盒体内;
    所述风道隔板安装于所述安装板,所述风道隔板、所述安装板和所述盒体围合出降温风道,所述安装板设置有多个电子元器件,所述多个电子元器件中的至少部分所述电子元器件位于所述降温风道内;
    所述第一风扇被配置为:驱动空气在所述降温风道内流动,以形成第一散热气流。
  9. 根据权利要求8所述的电控盒,其特征在于,所述风道隔板包括顺次连接的主板体和副板体,所述主板体和所述副板体呈夹角设置;所述降温风道包括第一风道和第二风道;
    所述主板体、所述安装板和所述盒体围合出所述第一风道;
    所述副板体、所述安装板和所述盒体围合出所述第二风道。
  10. 根据权利要求9所述的电控盒,其特征在于,所述风道隔板具有至少一个凹槽,所述凹槽被配置为避位与所述凹槽相对的所述电子元器件。
  11. 根据权利要求10所述的电控盒,其特征在于,所述主板体弯折形成所述凹槽;
    所述主板体至少包括顺次连接的第一板体、第二板体和第三板体,所述第一板体和所述第三板体相对设置,所述第一板体、所述第二板体和所述第三板体围合出所述凹槽,所述凹槽的槽口朝向所述降温风道的内部。
  12. 根据权利要求1-7任一项所述的电控盒,其特征在于,所述电控盒还包括第二风扇,所述第二风扇设置在所述第一散热路径或所述第二散热路径上。
  13. 根据权利要求12所述的电控盒,其特征在于,所述第二风扇设置在所述第二散热路径的首端。
  14. 根据权利要求12所述的电控盒,其特征在于,所述第二风扇设置在所述第二散热路径的尾端;
    所述第一风扇和所述第二风扇的出风方向不相交,所述第二风扇用于形成沿第三散热路径流动的第三散热气流。
  15. 根据权利要求3-7任一项所述的电控盒,其特征在于,还包括至少一个电控模块组件;所述盒体形成有密闭容置腔,所述电控模块组件设置在所述密闭容置腔内;
    所述电控盒还包括散热板,所述散热板包括相对的第一面和第二面,所述电控模块组件安装在所述第一面且与所述第一面接触,所述换热器安装在所述第二面。
  16. 根据权利要求15所述的电控盒,其特征在于,所述电控模块组件包括板体、风机模块和压缩机模块,所述风机模块和所述压缩机模块均设于所述板体,且所述风机模块和所述压缩机模块均安装在所述第一面且与所述第一面接触。
  17. 根据权利要求16所述的电控盒,其特征在于,所述安装板的安装侧设置的所述多个电子元器件包括滤波器和电抗器,所述滤波器和电抗器分布在所述第一散热路径上。
  18. 根据权利要求17所述的电控盒,其特征在于,所述滤波器位于所述电抗器的上游。
  19. 根据权利要求18所述的电控盒,其特征在于,所述电抗器安装在所述散热板;和或,
    所述电抗器安装在所述安装板。
  20. 根据权利要求19所述的电控盒,其特征在于,所述安装板的一部分被构造成进风格栅;所述第一腔室内安装有所述换热器和所述散热板均,所述第二腔室内安装有所述第一风扇和所述电抗器,所述风扇形成的气流在所述第一腔室和第二腔室之间循环流动。
  21. 根据权利要求20所述的电控盒,其特征在于,所述安装板具有相对的第一安装面和第二安装面,所述第一安装面位于所述第一腔室内并与所述散热板的第一面连接,所述第二安装面位于所述第二腔室内并安装有所述第一风扇和所述电抗器。
  22. 根据权利要求20所述的电控盒,其特征在于,所述安装板上设有至少一个安装开口,所述安装开口位于所述进风格栅和所述第一风扇之间;
    所述散热板的至少一部分暴露于所述安装开口内;
    在所述电抗器安装在所述散热板上时,所述电控模块组件和所述电抗器均与暴露于所述安装开口内的所述散热板固定连接。
  23. 根据权利要求22所述的电控盒,其特征在于,所述电抗器包括电抗器本体以及与所述电抗器本体连接的固定板,所述固定板的一部分与所述安装板固定连接,所述固定板的另一部分与所述散热板固定连接。
  24. 根据权利要求22所述的电控盒,其特征在于,所述电抗器为多个,且多个所 述电抗器沿风的流向并排设置在所述密闭容置腔内;
    所述电抗器安装在所述散热板,多个所述电抗器共用一个所述安装开口,或者,多个所述电抗器各自对应一个所述安装开口。
  25. 根据权利要求22所述的电控盒,其特征在于,所述散热板的形状为矩形;
    所述电控模块组件为多个,多个所述电控模块组件沿所述安装板的长度方向间隔设置;
    多个所述电控模块组件共用一个所述安装开口,或者,多个所述电控模块组件各自对应一个所述安装开口。
  26. 根据权利要求1-7任一项所述的电控盒,其特征在于,所述盒体为密封盒体。
  27. 一种空调室外机,其特征在于,包括如权利要求1-26任一项所述的电控盒。
  28. 一种空调器,其特征在于,包括如权利要求27所述的空调室外机。
PCT/CN2022/108031 2021-08-07 2022-07-26 电控盒、空调室外机和空调器 WO2023016252A1 (zh)

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