CN208238065U - Outdoor unit and air conditioner - Google Patents

Abstract

The utility model discloses a kind of outdoor unit and air conditioner, the outdoor unit includes shell and the compressor and electrically-controlled component that are set in the housing, compressor has fluid reservoir, electrically-controlled component includes master controller, rectifier bridge, pfc circuit, dc-link capacitance and compressor IPM module, rectifier bridge, pfc circuit, compressor IPM module and compressor are sequentially connected, dc-link capacitance is parallel to the output end of pfc circuit, electrically-controlled component further include: the box body being detachably connected with fluid reservoir；First circuit board, rectifier bridge, compressor IPM module and PFC power switch are set on first circuit board, and first circuit board is set in box body；Second circuit board, master controller are set on second circuit board；PFC inductance and dc-link capacitance are mounted on shell, and pass through connecting line and connection corresponding on first circuit board respectively.The utility model utilizes the low-temperature working environment of fluid reservoir, improves the radiating efficiency of electrically-controlled component.

Description

Outdoor unit and air conditioner

Technical field

The utility model relates to technical field of electric device control, in particular to a kind of outdoor unit and air conditioner.

Background technique

In the electrical equipment that air conditioner, refrigerator etc. are equipped with frequency converter, it is typically provided with PFC, the circuits such as IPM, and this A little circuit elements can generate heat during the work time, if radiating not in time to it, it is more likely that will affect the work of electric appliance Make performance.For this reason, it may be necessary to which the heater elements such as IPM cool down to PFC, guarantee its reliability and service life.

Currently, to the mode that above-mentioned heater element carries out, the method for mostly using external metal heat sink greatly, such as in air-conditioning In, it is also possible to it is radiated by outdoor machine fan, this mode needs to increase the power of fan and increases radiator Volume leads to cost raising of radiating, but radiating efficiency is still lower, PFC, and the temperature of the heater elements such as IPM is still at 100 degree More than.

Utility model content

The main purpose of the utility model is to provide a kind of outdoor unit, it is intended to using the low-temperature working environment of fluid reservoir, mention The radiating efficiency of high electrically-controlled component.

To achieve the above object, the utility model proposes a kind of outdoor unit, the outdoor unit include shell and be set to the shell Intracorporal compressor and electrically-controlled component, the compressor have fluid reservoir, the electrically-controlled component include master controller, rectifier bridge, Pfc circuit, dc-link capacitance and compressor IPM module, the rectifier bridge, the pfc circuit, the compressor IPM module And the compressor is sequentially connected, the dc-link capacitance is parallel to the output end of the pfc circuit, the master controller with The pfc circuit and the compressor IPM module are separately connected；The pfc circuit includes PFC power switch and PFC inductance；Institute State electrically-controlled component further include:

Box body, for being detachably connected with the fluid reservoir, to pass through fluid reservoir contact heat dissipation；

First circuit board, the rectifier bridge, compressor IPM module and PFC power switch are set to the first circuit board On, the first circuit board is set in the box body；

Second circuit board, the master controller are set on the second circuit board；

On the housing, the PFC inductance and the direct current are female for the PFC inductance and dc-link capacitance installation Line capacitance passes through connecting line and corresponding connection on the first circuit board respectively.

Optionally, PFC inductive interface and dc-link capacitance interface, the PFC electricity are provided on the first circuit board Sense is connect with the PFC inductive interface, and the dc-link capacitance is connect with the capacitive interface.

Optionally, power input interface, Switching Power Supply and EMC filter circuit, institute are additionally provided on the second circuit board The input terminal for stating EMC filter circuit is connect with the power input interface, the output end of the EMC filter circuit and the rectification Bridging connects；The input terminal of the Switching Power Supply is connect with the rectifier bridge, the output end of the Switching Power Supply and the main control The power end of device is electrically connected.

Optionally, the electrically-controlled component further includes DC fan IPM module, and the DC fan IPM module is set to described On first circuit board, the DC fan IPM module and the master controller are electrically connected.

Optionally, the electrically-controlled component further includes heat dissipation metal plate, and the heat dissipation metal plate side is fixedly mounted on the liquid storage The other side of the one side of tank, the heat dissipation metal plate is detachably connected with the box body.

Optionally, the electrically-controlled component further includes mounting bracket, the mounting bracket have back to the first side and second First side of side, the mounting bracket is sticked on the first circuit board, and the compressor IPM module is mounted on the installation Second side of bracket, the pin of the compressor IPM module pass through the mounting bracket and are connected and fixed with the first circuit board；

There is installation window, the compressor IPM module is attached at described dissipate by the installation window on the box body On hot metal plate.

Optionally, the rectifier bridge is mounted on second side of the mounting bracket, and the pin of the rectifier bridge passes through described Mounting bracket is connected and fixed with the first circuit board, and the rectifier bridge is attached at the heat dissipation metal plate by the installation window On.

Optionally, the electrically-controlled component further includes gasket seal, and the gasket seal is sticked in the IPM module, described Between rectifier bridge and the heat dissipation metal plate.

Optionally, the second circuit board is arranged in the box body or the second circuit board is arranged in the room In the shell of outer machine, and it is located at outside the box body.

Optionally, the shell includes with the shell for accommodating the compressor and electrically-controlled component and will be in the shell Chamber is separated into the middle partition of assembling chamber and compressor installation cavity, and the compressor is installed in the compressor installation cavity, The PFC inductance and the dc-link capacitance are mounted on the middle partition, and are located in the compressor installation cavity.

The utility model also proposes a kind of air conditioner, including indoor unit and outdoor unit as described above, the outdoor unit The main control chip communication connection of master controller and the indoor unit.

Rectifier bridge, compressor IPM module and PFC power switch are set to first circuit by the utility model outdoor unit On plate, and master controller is set on the second circuit board；Between master controller and compressor IPM module and master control It can be electrically connected by conducting wire between device and PFC power switch processed, first circuit board, PFC inductance and dc-link capacitance are set Set on the shell of outdoor unit, PFC inductance and dc-link capacitance pass through connecting line respectively and connect with first circuit board, box body with Fluid reservoir is detachably connected, and is contacted and radiated by fluid reservoir, and rectifier bridge, the compressor IPM mould on first circuit board are conducive to At work, the heat of generation conducts heat to liquid storage by box body for the components such as block and PFC power switch and circuit module On tank, and while being vaporized by the refrigerant in fluid reservoir, absorbs, thus using the low-temperature working environment of fluid reservoir, improves radiating efficiency, PFC inductance and dc-link capacitance pass through heat loss through radiation.The utility model electrically-controlled component uses first circuit board and second circuit Plate two pieces of circuit boards realize, and by heat sources device and master controllers such as rectifier bridge, compressor IPM module and PFC power switch Equal nonthermal sources are provided separately, and can be radiated to avoid Heat source device part to nonthermal source device, and influence the work of nonthermal source device.Due to PFC inductance and dc-link capacitance volume are big and more heavy, are mounted on first circuit board and exist due to vibration of compressor PFC inductance and dc-link capacitance is caused to split the danger of weldering, therefore the utility model installs PFC inductance and dc-link capacitance It is connect on shell, and through connecting line with first circuit board, causes first circuit board to split weldering when to avoiding vibration of compressor, And the area occupied of electric-controlled box is reduced, while can solve using a monolith circuit board come when realizing, component is intensive, circuit Wiring and the difficult problem of electric appliance isolation can also reduce single circuit board using two pieces of circuit boards, such as first circuit board Volume is easily installed in the box body of electrically-controlled component, simplifies the pcb board layout of electric-controlled plate.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the electrical block diagram of one embodiment of electrically-controlled component in the utility model outdoor unit；

Fig. 2 is the structural schematic diagram of one embodiment of electrically-controlled component in the utility model outdoor unit；

Fig. 3 is the structural schematic diagram of one embodiment of first circuit board in the utility model outdoor unit；

Fig. 4 is the structural schematic diagram of one embodiment of second circuit board in the utility model outdoor unit；

Fig. 5 is the structural schematic diagram of one embodiment of the utility model outdoor unit.

Label	Title	Label	Title
				10	Master controller	120	Second circuit board
20	Rectifier bridge	200	Fluid reservoir
				30	Pfc circuit	300	Radiate metal plate
40	Dc-link capacitance	400	Mounting bracket
				50	Compressor IPM module	500	Sealing ring
60	DC fan IPM module	600	Box cover
				70	Switching Power Supply	700	Compressor
80	EMC filter circuit	41	Dc-link capacitance interface
				100	Box body	32	PFC inductance
110	First circuit board	33	PFC inductive interface
				111	Controller	CN1	Communication interface
31	PFC power switch	Vin	Power input interface
				800	Middle partition	Vout	Power output interface
900	Outdoor fan	1000	Shell

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture) Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of case is not present, also not within the protection scope of the requires of the utility model.

The utility model proposes a kind of outdoor units, can be used in the equipment such as air-conditioning, refrigerator, below for convenience of understanding, are lifting When example, it is illustrated for being applied to air-conditioning.

Referring to figs. 1 to Fig. 5, in an embodiment of the utility model, which includes shell and is disposed in the housing Compressor 700 and electrically-controlled component, the compressor 700 has fluid reservoir 200, which includes master controller 10, whole Flow bridge 20, pfc circuit 30, dc-link capacitance 40 and compressor IPM module 50, the rectifier bridge 20, the pfc circuit 30, The compressor IPM module 50 and the compressor 700 are sequentially connected, and the dc-link capacitance 40 is parallel to the PFC electricity The output end on road 30, the master controller 10 are separately connected with the pfc circuit 30 and the compressor IPM module 50；It is described Pfc circuit 30 includes PFC power switch 31 and PFC inductance 32.

In the present embodiment, the electrically-controlled component further include:

Box body 100, for being detachably connected with the fluid reservoir 200, to pass through the fluid reservoir 200 contact heat dissipation；

First circuit board 110, the rectifier bridge 20, compressor IPM module 50 and PFC power switch 31 are set to described On one circuit board 110, the first circuit board 110 is set in the box body 100；

Second circuit board 120, the master controller 10 are set on the second circuit board 120；

The PFC inductance 32 and the installation of the dc-link capacitance 40 on the housing, the PFC inductance 32 and described Dc-link capacitance 40 passes through connecting line and corresponding connection on first circuit board 110 respectively.

In the present embodiment, shell can be using modeling for accommodating outdoor fan 900, compressor 700 and electrically-controlled component, shell Expect that material is made, can also be made using the metal materials such as aluminium or aluminum alloy material, the present embodiment is chosen as metal material It realizes.For accommodating first circuit board 110, box body 100 can be made box body 100 using plastic material, can also using aluminium or The metal materials such as person's aluminum alloy material are made, and the present embodiment is chosen as metal material realization.Box body 100 by screw, bolt, Riveting, welding, clamping and inserting mode in it is one or more combination be fixed on fluid reservoir 200, and with fluid reservoir 200 One side fitting, refrigerant in fluid reservoir 200 can absorb heat in vaporization, therefore its operating temperature generally remains subzero 20 Celsius Degree~30 degrees Celsius between, so set, be conducive to the rectifier bridge 20 on first circuit board 110, compressor IPM module 50 and At work, the heat of generation conducts heat to liquid storage by box body 100 for the components such as PFC power switch 31 and circuit module On tank 200, and while being vaporized by the refrigerant in fluid reservoir 200, absorbs, thus using the low-temperature working environment of fluid reservoir 200, improves Radiating efficiency.Due to the temperature of the heater elements such as compressor IPM module 50 can drop it is very low, under equal conditions, module (chip) heatable power can do higher, i.e., more high power load can be driven using current chip, without mistake Cause thermal damage, in other words, little module driving more number air-conditioning may be implemented, and due to PFC inductance 32 and dc-link capacitance 40 volumes are big and more heavy, be mounted on first circuit board 110 exist due to compressor 700 vibration cause PFC inductance 32 and Dc-link capacitance 40 splits the danger of weldering, therefore PFC inductance 32 and dc-link capacitance 40 are arranged in outdoor the utility model It on the shell of machine, and is connect by connecting line with first circuit board, so that compressor 700 be avoided to cause first circuit board when vibrating 110 the case where splitting weldering, and reduce the area occupied of box body 100.

Pfc circuit 30 may include PFC power switch 31 also with the components such as diode (figure do not indicate), PFC inductance 32, To realize the Active PFC to DC power supply.Pfc circuit 30 can be realized using passive PFC circuit, to constitute boosting Type pfc circuit perhaps voltage-dropping type pfc circuit or buck-boost type pfc circuit.It is understood that in practical applications, PFC Power switch 31 can be arranged type according to pfc circuit 30 with 20 position of rectifier bridge and connection relationship and is adaptively adjusted.PFC Control of the circuit 30 based on master controller 10, and the direct current that rectifier bridge 20 is inputted carries out power factor (PF) adjustment, such as will be whole The DC voltage that stream bridge 20 exports increases and stablizes in 380V, so that input current follows input voltage, guarantees DC power supply Power factor (PF) 0.9 or more.DC power transmission adjusted is to dc-link capacitance 40, after the filtering of dc-link capacitance 40 Output is to compressor IPM module 50, and to provide direct current for compressor IPM module 50, compressor IPM module 50 is according to main control Direct current is converted to three-phase alternating current to drive compressor 700 to work by the control signal of device output.Direct current adjusted is also The driving voltage of various numerical value can be generated, such as generate the voltages such as 5V, 15V by 70 circuit of Switching Power Supply, for the second electricity Component power supply on road plate 120 such as master controller 10 and first circuit board 110.

It is understood that being additionally provided with PFC inductive interface 33 and dc-link capacitance interface on first circuit board 110 41, PFC inductance 32 are connect with the PFC inductive interface 33, so as to by 32 lead of PFC inductance to first circuit board 110, to be Pfc circuit 30 provides energy storage step-up device, and dc-link capacitance 40 is connect with dc-link capacitance interface 41, so that direct current is female 40 lead of line capacitance is to first circuit board 110, so that dc-link capacitance 40 be made to be connected in parallel on the output end of pfc circuit 30.

It is understood that be additionally provided on second circuit board 120 be able to detect rectifier bridge 20, PFC power switch 31 and The real-time detection circuit of the parameters such as each element current, temperature and voltage in compressor IPM module 50, and heavy overload is occurring Even direct short-circuit or temperature overheating when the failures such as driving voltage over-voltage, can control the power device soft switching in IPM, Fault-signal is simultaneously emitted by control circuit unit, so that control circuit unit controls the work of other circuit modules, to avoid Other circuit modules are damaged because of failure.

In the present embodiment, compressor IPM module 50 is integrated with multiple power switch tubes, multiple power switch tube composition drivings Inverter circuit, such as three-phase inversion bridge circuit can be made of six power switch tubes, or be made of four power switch tubes Two-phase inverter bridge circuit.Wherein, each power switch tube can be realized using metal-oxide-semiconductor or IGBT.Compressor IPM module 50 For driving compressor electric motor.Certainly in other embodiments, compressor IPM module 50 can be also used for driving other motors Frequency converter and various inverters, and it is applied to frequency control, metallurgical machinery, electric propulsion, the frequency conversions such as servo-drive and air-conditioning In the fields such as household electrical appliances.It is understood that the volume of circuit board is reduced in order to improve the integrated level of compressor IPM module 50, this The PFC power switch 31 can be integrated in the compressor IPM module 50 by embodiment, certainly in other embodiments In, stating PFC power switch 31 and compressor IPM module 50 discrete can also be arranged, herein with no restrictions.

In the present embodiment, the quantity of dc-link capacitance 40 can be one, be also possible to it is multiple, specifically can be according to power The number of equipment is set, such as in 1 or 2 air conditioner, the quantity of dc-link capacitance 40 is traditionally arranged to be one, In 3 and 3 or more air conditioners, the quantity of dc-link capacitance 40 is traditionally arranged to be two or more.Certainly in other implementations In example, the quantity of dc-link capacitance 40 can be set according to the energy storage demand of power apparatus, herein with no restrictions.

It should be noted that rectifier bridge 20, compressor IPM module 50 and PFC power switch 31, especially compressor IPM General heating is more serious at work for module 50, and the heat that power device generates can be passed by electric-controlled plate to master controller 10 It leads, so that nearly reaching identical temperature with master controller 10.And the ideal working temperature of master controller 10 is less than function mostly Rate device, thus the operating temperature of power device may cause master controller 10 operating temperature it is excessively high and break down, make Main controller 10 is easy the control signal of output error, in order to avoid the above problem occurs, by master controller in the present embodiment 10 are arranged on second circuit board 120, and rectifier bridge 20, compressor IPM module 50 and PFC power switch 31 are arranged first On circuit board 110, between master controller 10 and compressor IPM module 50 and between master controller 10 and PFC power switch 31 It can be electrically connected by conducting wire, and PFC inductance 32, dc-link capacitance 40 are arranged on shell, first circuit board 110 is set It sets in box body 100, PFC inductance 32, dc-link capacitance 40 are connect by connecting line with first circuit board 110, the first circuit Plate 110 is radiated by fluid reservoir 200, thus by the operating temperature of component and circuit module on first circuit board 110 Maintain -20 degrees Celsius~120 degrees Celsius.It is arranged such, it is ensured that rectifier bridge 20, compressor IPM module 50 and PFC power The heat that switch 31 generates can be set the radiating elements such as Hot-air fan without being casually arranged with, both can be improved by 200 rapid cooling of fluid reservoir Radiating efficiency, while the driving delay decrease of PFC power switch 31 and compressor IPM module 50 is also helped, so as to mention The switching speed of high each power switch tube, and can reduce the switching loss and electromagnetic interference of compressor IPM module 50, guarantee Compressor IPM module 50 can operation reliably and with long-term, greatly and more due to PFC inductance 32 and 40 volume of dc-link capacitance It is heavy, it is mounted on first circuit board 110 and exists since the vibration of compressor 700 leads to PFC inductance 32 and dc-link capacitance 40 Split the danger of weldering, and PFC inductance 32 and dc-link capacitance 40 are arranged on shell the utility model, and by connecting line with First circuit board 110 connects, and avoids the case where causing first circuit board 110 to split weldering when compressor 700 vibrates, and PFC Inductance 32 and dc-link capacitance 40 do not reside in box body 100 and are conducive to reduce 100 area occupied of box body, so that complete machine is more Succinctly, in addition, electrically-controlled component is mounted on the fluid reservoir 200 of compressor 700, equivalent to increase clump weight, pressure can be reduced The vibrating noise of contracting machine 700 therefore, there is no need in addition add clump weight again, reduce complete machine cost.

Rectifier bridge 20, compressor IPM module 50 and PFC power switch 31 are set to described by the utility model outdoor unit On first circuit board 110, and by master controller 10, it is set on the second circuit board 120；Master controller 10 and compressor It can be electrically connected by conducting wire between IPM module 50 and between master controller 10 and PFC power switch 31, PFC inductance 32, dc-link capacitance 40 is arranged on shell, and first circuit board 110 is arranged in box body 100, PFC inductance 32, DC bus Capacitor 40 is connect by connecting line with first circuit board 110 respectively, can be avoided first circuit board 110 because compressor 700 vibrates Shi Zaocheng splits the danger of weldering, and reaches the area occupied for reducing box body 100, and box body 100 is detachably connected with fluid reservoir 200, And by the contact heat dissipation of fluid reservoir 200, be conducive to rectifier bridge 20, compressor IPM module 50 and the PFC on first circuit board 110 At work, the heat of generation conducts heat to fluid reservoir by box body 100 for the components such as power switch 31 and circuit module On 200, and while being vaporized by the refrigerant in fluid reservoir 200, absorbs, thus using the low-temperature working environment of fluid reservoir 200, improves and dissipates The thermal efficiency.Electrically-controlled component in the utility model outdoor unit uses 110 two pieces of circuit boards of second circuit board 120 and first circuit board It realizes, and the heat sources devices and master controller 10 etc. such as rectifier bridge 20, compressor IPM module 50 and PFC power switch 31 is non- Heat source is provided separately, and can be radiated to avoid Heat source device part to nonthermal source device, and influences the work of nonthermal source device.And it can solve Certainly using a monolith circuit board come when realizing, component is intensive, the problem of wiring and electric appliance isolation difficulty, using two blocks of electricity Road plate can also reduce single circuit board, such as the volume of first circuit board 110, be easily installed in the box body 100 of electrically-controlled component It is interior, simplify the pcb board layout of electric-controlled plate.The utility model solves using the power for increasing fan and increases radiator Volume causes heat dissipation cost to increase, but the problem that radiating efficiency is still lower.In addition, electrically-controlled component is mounted on compressor On fluid reservoir, equivalent to increase clump weight, the vibrating noise of compressor can be reduced, therefore, there is no need in addition add again and match Pouring weight reduces complete machine cost.

Referring to figs. 1 to Fig. 5, in an alternative embodiment, power input interface is additionally provided on the second circuit board 120 Vin, Switching Power Supply 70 and EMC filter circuit 80, the input terminal of the Switching Power Supply 70 and the power input interface Vin connect It connects, the input terminal of the EMC filter circuit 80 is connect with the power input interface Vin, the output of the EMC filter circuit 80 End is connect with the rectifier bridge 20；

The input terminal of the Switching Power Supply 70 is connect with the rectifier bridge 20, the output end of the Switching Power Supply 70 with it is described The power end of master controller 10 is electrically connected.

In the present embodiment, Switching Power Supply 70 can be adopted by transformer, DC voltage-stabilizing chip, 70 chip of Switching Power Supply, voltage The components such as sample resistance, current sampling resistor are constituted, Switching Power Supply 70 be used for the AC power source that will access or DC power supply into After the conversion of row power supply, to generate the driving voltage of various numerical value, such as 3.3V, the voltages such as 5V, 12V, 15V, for second are generated Component power supply on circuit board 120 such as master controller 10 and first circuit board 110.In the present embodiment, EMC filter circuit 80 The protection of the correlation functions such as EMC, EMS and lightning protection can be provided for second circuit board 120 and first circuit board 110.

Referring to figs. 1 to Fig. 5, in an alternative embodiment, the electrically-controlled component further includes DC fan IPM module 60, institute DC fan IPM module 60 is stated on the first circuit board 110, the DC fan IPM module 60 and the main control Device 10 is electrically connected.

It should be noted that the outdoor fan 900 of air conditioner can be divided into AC blower fan and DC fan, AC blower fan one As can work without driving, and DC fan is then needed to control its work by power drive.It is outdoor in this implementation Blower 900 is optional to be realized using DC fan, adaptation, and the present embodiment is additionally provided with DC fan IPM module 60, for driving DC fan is moved, is integrated with multiple IGBT, metal-oxide-semiconductor constant power respectively in DC fan IPM module 60 and compressor IPM module 50 Switching tube, the quantity of multiple power switch tubes can be four or six, and particular number can be according to motor type, driving function The setting such as rate, herein with no restrictions.Certainly in other embodiments, DC fan IPM module 60 can also be set to second circuit On 120 on plate, the present embodiment is illustrated so that DC fan IPM module 60 is set on 120 on second circuit board as an example.

Referring to figs. 1 to Fig. 5, in an alternative embodiment, electrically-controlled component further includes heat dissipation metal plate 300, the heat dissipation metal plate 300 side is fixedly mounted on the one side of the fluid reservoir 200, the other side of the heat dissipation metal plate 300 and the box body 100 It is detachably connected.

In the present embodiment, the side of heat dissipation metal plate 300 can pass through screw, bolt, riveting, welding, clamping and grafting side In formula it is one or more combination be mounted on the fluid reservoir 200, heat dissipation metal plate 300 the other side again may be by screw, One or more combinations are detachably fixed with box body 100 in bolt, riveting, welding, clamping and inserting mode, and radiate metal plate 300 Material can be aluminium and aluminum alloy, metal plate made from copper and copper alloy or other metal materials, in this way, by box body 100 are fixed on fluid reservoir 200, to reduce fluid reservoir 200 and relative motion occurs and generates vibration, and are transferred to box body In 100, the circuit module influenced on first circuit board 110 is worked normally.The rectification on first circuit board 110 is also helped simultaneously At work, the heat of generation passes through for the components such as bridge 20, compressor IPM module 50 and PFC power switch 31 and circuit module Box body 100 conducts heat on heat dissipation metal plate 300, accelerates the speed in heat transfer to fluid reservoir 200 by heat dissipation metal plate 300 Degree improves radiating efficiency.

Referring to figs. 1 to Fig. 5, in an alternative embodiment, the electrically-controlled component further includes mounting bracket 400, the installation Bracket 400 have back to the first side and second side, the first side of the mounting bracket 400 be sticked in the first circuit board On 110, the compressor IPM module 50 is mounted on second side of the mounting bracket 400, the compressor IPM module 50 Pin passes through the mounting bracket 400 and is connected and fixed with the first circuit board 110；

There is installation window, the compressor IPM module 50 is attached at institute by the installation window on the box body 100 It states on heat dissipation metal plate 300.

In the present embodiment, the pin of compressor IPM module 50 is mostly direct plugging-in or gull wing type encapsulation, pin and first The contact area of circuit board 110 is typically small, especially direct plugging-in, therefore the load-bearing capacity of compressor IPM module 50 is smaller, In order to avoid in first circuit board 110, when being mounted on heat dissipation metal plate 300, compressor IPM module 50 is deformed, or It is damaged, the present embodiment is additionally provided with mounting bracket 400, and compressor IPM module 50 is arranged in mounting bracket 400, draws Foot passes through the mounting bracket 400 and is connected and fixed with the first circuit board 110.So set, compressor IPM mould can also be made Block 50 and heat dissipation 300 face of metal plate setting, allow compressor IPM module 50 generate heat by heat dissipation metal plate 300 into Row quickly conduction, to improve the rate of heat dispation of compressor IPM module 50.After box body 100 is fixedly mounted on fluid reservoir 200, Vibration is generated in order to reduce first circuit board 110 and fluid reservoir 200 and relative motion occur, and is transferred to first circuit board On 110, when box body 100 is fixed on fluid reservoir 200, first circuit board 110 can be fixed on heat dissipation metal plate by screw, bolt On gold 300, certain first circuit board 110 can also be connected and fixed using other modes and box body 100 and heat dissipation metal plate 300, Herein with no restrictions.

Referring to figs. 1 to Fig. 5, in an alternative embodiment, the rectifier bridge 20 is mounted on the second of the mounting bracket 400 Side, the pin of the rectifier bridge 20 pass through the mounting bracket 400 and are connected and fixed with the first circuit board 110, the rectification Bridge 20 is attached on the heat dissipation metal plate 300 by the installation window.

In the present embodiment, the pin of rectifier bridge 20 and the pin of compressor IPM module 50 use identical packaged type, draw The contact area of foot and first circuit board 110 is smaller, therefore the load-bearing capacity of rectifier bridge 20 is smaller, in order to avoid in the first circuit When being mounted on heat dissipation metal plate 300, rectifier bridge 20 is deformed plate 110, or is damaged, by rectifier bridge 20 and compressor IPM module 50 is disposed side by side in mounting bracket 400, and the pin of rectifier bridge 20 and the pin of compressor IPM module 50 are worn respectively The mounting bracket 400 is crossed to be connected and fixed with the first circuit board 110.So set, compressor IPM module 50 can also be made And rectifier bridge 20 and heat dissipation 300 face of metal plate setting, the heat that compressor IPM module 50 and rectifier bridge 20 are generated lead to It crosses heat dissipation metal plate 300 quickly to be conducted, to improve the rate of heat dispation of compressor IPM module 50 and rectifier bridge 20.

Referring to figs. 1 to Fig. 5, in an alternative embodiment, the electrically-controlled component further includes sealing ring 500, the sealing ring 500 are arranged between the box body 100 and the mounting bracket 400.

It should be noted that the operating temperature of fluid reservoir 200 be generally operating temperature generally maintain subzero 20 degrees Celsius~ Moisture between 30 degrees Celsius, therefore in air may condense into condensed water in fluid reservoir 200, which may be along liquid storage Heat dissipation metal plate 300 on the outer wall of tank 200 enters in the box body 100 of electrically-controlled component, and leads to rectifier bridge 20, compressor IPM Module 50 and PFC power switch 310 dampness and it is short-circuit, influence electrically-controlled component work normally.To solve the above-mentioned problems, this implementation Example is additionally provided with sealing ring 500, i.e. gasket seal between mounting bracket 400 and box body 100, to use box body 100 and heat dissipation Metal plate 300 is completely cut off, so that the component in box body 100 is sealed.

Referring to figs. 1 to Fig. 5, in an alternative embodiment, electrically-controlled component further includes being fastened in the opening of the box body 100 Box cover 600, the box cover 600 forms sealing structure with the tight fit of box body 100.

In the present embodiment, the size and shape of box cover 600 and the size and shape adaptation of first circuit board 110, Ke Yiwei It is rectangular but be not limited to rectangular.Box cover 600 and the tight fit of box body 100 form sealing structure, so set, being conducive to stop extraneous The hazardous materials such as cold air, dust, rainwater, mosquito fall on first circuit board 110, ensure the safe operation of electrically-controlled component.This The electromagnetic radiation that external electrical field generates can also be emitted, be absorbed by outer seal configuration, so that weak enter in box body 100 The electromagnetic radiation of portion's electronic component, so that box body 100 has preferable electro-magnetic screen function.Sealing structure equally can also be to box The electromagnetic interference that 100 internal electronic element of body generates is reflected, is absorbed, to shield the electricity of 100 internal electronic element of box body The electromagnetic signal that field generates, to avoid the normal of the electrical equipment around the electromagnetic radiation of the electronic component in box body 100 Work.

It is understood that through-hole is also provided on box cover 600, power lead, data conductor on first circuit board 110 Etc. each circuit element interface of the through-hole (figure does not indicate) and second circuit board 120 (not shown go out) and PFC electricity can be passed through The electrical connection such as sense 32, dc-link capacitance 40, external dc blower, compressor blower.

Referring to figs. 1 to Fig. 5, in an alternative embodiment, the second circuit board 120 is arranged in the box body 100, or Second circuit board 120 described in person is arranged in the shell 1000 of the outdoor unit, and is located at outside the box body 100.

In the present embodiment, second circuit board 120 be can be set in the box body 100 of electrically-controlled component, also can be set in box It outside body 100, such as is mounted on the corresponding installation position of shell of air-conditioner outdoor unit, such as case top, second circuit board 120 is also It may be mounted on the corresponding installation position of indoor unit.The present embodiment is chosen as second circuit board 120 and first circuit board 110 is installed In the box body 100 of electrically-controlled component, it is to be understood that the dress of second circuit board 120 and first circuit board 110 in box body 100 Can be adaptively adjusted according to the shape of respective template and size and fluid reservoir 200 with position so that box body 100 with Fluid reservoir 200 is adapted to.

Referring to Fig. 5, in an alternative embodiment, the compressor 700 also has compressor main body, the fluid reservoir 200 The side of the compressor main body is set, the box body 100 be mounted on the compressor main body and the fluid reservoir 200 it Between.

The operating temperature of fluid reservoir 200 generally maintains between subzero 20 degrees Celsius~30 degrees Celsius, therefore the water in air Condensed water may be condensed into fluid reservoir by dividing, which may enter automatically controlled along the heat dissipation metal plate on the outer wall of fluid reservoir In the box body of component, and the temperature of compressor 700 wants high generally relative to fluid reservoir 200, in fluid reservoir 200 close to compressor Side temperature is relatively high, essentially identical with environment temperature, then is not easily formed condensed water, therefore automatically controlled box body 100 is installed It can also prevent the condensed water formed on fluid reservoir 200 from entering electricity between the compressor main body and the fluid reservoir 200 In the box body for controlling component, the circuit element influenced in box body 100 is worked normally.

Referring to Fig. 5, in an alternative embodiment, the shell includes outer with accommodating compressor 700 and electrically-controlled component Shell 1000 and the middle partition 800 that the inner cavity of the shell 1000 is separated into 900 installation cavity of outdoor fan and compressor installation cavity, The compressor 700 is installed in the compressor installation cavity, and the PFC inductance 32 and the dc-link capacitance 40 are mounted on On the middle partition 800, and it is located in the compressor installation cavity.

In the present embodiment, outdoor fan 900 can be divided into AC blower fan and DC fan, and AC blower fan is generally not necessarily to drive It can work, and DC fan is then needed to control its work by power drive.Outdoor fan 900 is optional in this implementation It is realized using DC fan, adaptation, the present embodiment is additionally provided with DC fan IPM module 60, for driving DC fan, Partition 800 in being provided between outdoor fan 900 and compressor, the PFC inductance 32 and the dc-link capacitance 40 In in the installation cavity of compressor inner cavity, with the simplification PFC inductance 32 and the dc-link capacitance 40 and first circuit board 110 it Between wiring, middle partition 800 is equipped with through-hole, and the conducting wire of 60 output end of DC fan IPM module passes through through-hole and outdoor fan 900 connections, for driving outdoor fan 900, in addition, the corresponding PFC inductance 32 of middle partition 800 and the dc-link capacitance 40 installation site is provided with ventilation hole, to be radiated using outdoor fan 900, to improve the PFC inductance 32 and described straight Flow the radiating efficiency of bus capacitor 40.

The utility model also proposes the air conditioner using the outdoor unit, including indoor unit and indoor unit as described above.

It should be understood that the air conditioner further includes indoor unit, the master controller 10 of the electrically-controlled component and the interior The main control chip communication connection of machine, it should be noted that air conditioner contains all embodiments of above-mentioned outdoor unit, have with it is upper The identical technical effect of outdoor unit is stated, details are not described herein again.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (11)

1. a kind of outdoor unit, including shell and the compressor and electrically-controlled component that are disposed in the housing, the compressor has storage Flow container, the electrically-controlled component include master controller, rectifier bridge, pfc circuit, dc-link capacitance and compressor IPM module, described Rectifier bridge, the pfc circuit, the compressor IPM module and the compressor are sequentially connected, and the dc-link capacitance is in parallel In the output end of the pfc circuit, the master controller is separately connected with the pfc circuit and the compressor IPM module；Institute Stating pfc circuit includes PFC power switch and PFC inductance；It is characterized in that, the electrically-controlled component further include:

Box body, for being detachably connected with the fluid reservoir, to pass through fluid reservoir contact heat dissipation；

First circuit board, the rectifier bridge, compressor IPM module and PFC power switch are set on the first circuit board, institute First circuit board is stated to be set in the box body；

Second circuit board, the master controller are set on the second circuit board；

On the housing, the PFC inductance and the DC bus are electric for the PFC inductance and dc-link capacitance installation Hold respectively through connecting line and corresponding connection on the first circuit board.

2. outdoor unit as described in claim 1, which is characterized in that be additionally provided with PFC inductive interface on the first circuit board And dc-link capacitance interface, the PFC inductance are connect with the PFC inductive interface, the dc-link capacitance and the electricity Hold interface connection.

3. outdoor unit as described in claim 1, which is characterized in that be additionally provided with power input on the second circuit board and connect Mouth, Switching Power Supply and EMC filter circuit, the input terminal of the EMC filter circuit is connect with the power input interface, described The output end of EMC filter circuit is connect with the rectifier bridge；The input terminal of the Switching Power Supply is connect with the rectifier bridge, described The power end of the output end of Switching Power Supply and the master controller is electrically connected.

4. outdoor unit as described in claim 1, which is characterized in that the electrically-controlled component further includes DC fan IPM module, institute DC fan IPM module is stated on the first circuit board, the DC fan IPM module electrically connects with the master controller It connects.

5. such as the described in any item outdoor units of Claims 1-4, which is characterized in that the electrically-controlled component further includes heat dissipation metal plate, The heat dissipation metal plate side is fixedly mounted on the one side of the fluid reservoir, and the other side of the heat dissipation metal plate and the box body can Dismantling connection.

6. outdoor unit as claimed in claim 5, which is characterized in that the electrically-controlled component further includes mounting bracket, the installation Bracket have back to the first side and second side, the first side of the mounting bracket is sticked on the first circuit board, described Compressor IPM module is mounted on second side of the mounting bracket, and the pin of the compressor IPM module is across installation branch Frame is connected and fixed with the first circuit board；

There is installation window, the compressor IPM module is attached at the heat dissipation metal plate by the installation window on the box body Jin Shang.

7. outdoor unit as claimed in claim 6, which is characterized in that the rectifier bridge is mounted on the second of the mounting bracket Side, the pin of the rectifier bridge pass through the mounting bracket and are connected and fixed with the first circuit board, and the rectifier bridge passes through institute Installation window is stated to be attached on the heat dissipation metal plate.

8. outdoor unit as claimed in claim 7, which is characterized in that the electrically-controlled component further includes gasket seal, the sealing Gasket is sticked between the IPM module, the rectifier bridge and the heat dissipation metal plate.

9. outdoor unit as described in claim 1, which is characterized in that the second circuit board is arranged in the box body, or The second circuit board is arranged in the shell of the outdoor unit, and is located at outside the box body.

10. the outdoor unit as described in Claims 1-4 any one, which is characterized in that the shell includes having described in accommodating The shell of compressor and electrically-controlled component and the inner cavity of the shell is separated into outdoor fan installation cavity and compressor installation cavity Middle partition, the compressor are installed in the compressor installation cavity, and the PFC inductance and the dc-link capacitance are mounted on On the middle partition, and it is located in the compressor installation cavity.

11. a kind of air conditioner, which is characterized in that the outdoor unit including indoor unit and as described in claims 1 to 10 any one, The main control chip communication connection of the master controller of the outdoor unit and the indoor unit.