CN208238066U - Electrically-controlled component, outdoor unit and air conditioner - Google Patents

Abstract

It includes: box body that the utility model, which discloses a kind of electrically-controlled component, outdoor unit and air conditioner, the electrically-controlled component, for being detachably connected with fluid reservoir, to pass through fluid reservoir contact heat dissipation；First circuit board, rectifier bridge, IPM module, PFC power switch and PFC inductance, is set on first circuit board, first circuit board is set in box body；Second circuit board, master controller and dc-link capacitance, are set on second circuit board；Alternatively, master controller and PFC inductance are set on second circuit board, rectifier bridge, IPM module, PFC power switch and dc-link capacitance are set on first circuit board.The utility model utilizes the low-temperature working environment of fluid reservoir, improves the rate of heat dispation of electrically-controlled component.

Description

Electrically-controlled component, outdoor unit and air conditioner

Technical field

The utility model relates to technical field of electric device control, in particular to a kind of electrically-controlled component, 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 propose a kind of electrically-controlled component, outdoor unit and air conditioner, it is intended to utilize fluid reservoir Low-temperature working environment, improve the rate of heat dispation of electrically-controlled component.

To achieve the above object, the utility model proposes a kind of electrically-controlled component, the electrically-controlled component includes master controller, whole Stream bridge, pfc circuit, dc-link capacitance and IPM module, the rectifier bridge, the pfc circuit and the IPM module successively connect It connects, the dc-link capacitance is parallel to the output end of the pfc circuit, the master controller and the pfc circuit and described IPM module is separately connected；The pfc circuit includes PFC power switch and PFC inductance；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, the IPM module, the PFC power switch and the PFC inductance, is set to On the first circuit board, the first circuit board is set in the box body；

Second circuit board, the master controller and the dc-link capacitance, are set on the second circuit board；

It is the rectifier bridge, described alternatively, the master controller and the PFC inductance are set on the second circuit board IPM module, the PFC power switch and the dc-link capacitance, are set on the first circuit board.

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 quantity of the dc-link capacitance is multiple.

Optionally, the box body has the first accommodating cavity and the second accommodating cavity, and the IPM module is placed in described first and holds Set intracavitary, the rectifier bridge, PFC power switch and PFC inductance are placed in second accommodating cavity, the rectifier bridge, PFC power Switch and PFC inductance pass through the second accommodating cavity heat loss through radiation；

The PFC power switch is integrated in the IPM module, alternatively, the PFC power switch and the IPM module Discrete setting.

Optionally, the IPM module is DC fan IPM module and/or compressor IPM module.

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 one side of tank, the heat dissipation metal plate other side are 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 IPM module is mounted on the mounting bracket Second side, the pin of the IPM module pass through the mounting bracket and are connected and fixed with the first circuit board；

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

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.

The utility model also proposes a kind of outdoor unit, including compressor and electrically-controlled component as described above, the compressor With fluid reservoir, the electrically-controlled component is fixedly mounted on the outer wall of the fluid reservoir, and the master controller of the electrically-controlled component supplies It is communicated with indoor unit.

Optionally, the compressor also has compressor main body, and the one of the compressor main body is arranged in the fluid reservoir Side, the box body are mounted between the compressor main body and the fluid reservoir.

The utility model also proposes a kind of air conditioner, including compressor and electrically-controlled component as described above, the pressure Contracting machine has fluid reservoir, and the electrically-controlled component is fixedly mounted on the outer wall of the fluid reservoir；Or including indoor unit and institute as above The outdoor unit stated, the main control chip communication connection of the master controller of the outdoor unit and the indoor unit.

The utility model electrically-controlled component is by rectifier bridge, IPM module, PFC power switch and PFC inductance (or DC bus Capacitor) it is set on first circuit board, and master controller and dc-link capacitance (or PFC inductance) are set to second circuit On plate；It can be electrically connected by conducting wire between master controller and IPM module and between master controller and PFC power switch, First circuit board is arranged in box body, and box body is detachably connected with fluid reservoir, and by fluid reservoir contact heat dissipation, is conducive to the At work, the heat of generation is logical for the components such as rectifier bridge, IPM module, PFC power switch on one circuit board and circuit module It is absorbed when crossing box body to conduct heat on fluid reservoir, and being vaporized by the refrigerant in fluid reservoir, to utilize the low temperature of fluid reservoir Working environment improves rate of heat dispation.The utility model electrically-controlled component uses two pieces of circuit boards of second circuit board and first circuit board To realize, and the nonthermal sources such as heat sources device and master controller such as rectifier bridge, IPM module, PFC power switch are provided separately, it can It radiates to avoid heat source device to nonthermal source device, and influences the work of nonthermal source device.And it can solve using monolith electricity Come when realizing, component is intensive, the problem of wiring and electric appliance isolation difficulty can also be reduced road plate using two pieces of circuit boards Single circuit board, such as the volume of first circuit board, are easily installed in the box body of electrically-controlled component, to simplify electric-controlled plate Pcb board layout.

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 the utility model electrically-controlled component；

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

Fig. 3 is the structural schematic diagram of one embodiment of first circuit board in the utility model electrically-controlled component；

Fig. 4 is the structural schematic diagram of one embodiment of second circuit board in the utility model electrically-controlled component；

Fig. 5 is the structural schematic diagram of one embodiment of first circuit board in the utility model electrically-controlled component；

Fig. 6 is the structural schematic diagram of one embodiment of second circuit board in the utility model electrically-controlled component；

Fig. 7 is the structural schematic diagram of one embodiment of the utility model outdoor unit.

Drawing reference numeral explanation:

Label	Title	Label	Title
				10	Master controller	120	Second circuit board
20	Rectifier bridge	200	Fluid reservoir
				30	Pfc circuit	300	Radiator
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	CN1	Communication interface
				100	Box body	Vin	Power input interface
110	First circuit board	Vout	Power output interface
				111	Controller

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 electrically-controlled components, can be used in the equipment such as air-conditioning, refrigerator, understand for convenience below, When citing, it is illustrated for being applied to air-conditioning.

Referring to Figure 1 to Figure 7, in an embodiment of the utility model, which includes master controller 10, rectifier bridge 20, pfc circuit 30, dc-link capacitance 40 and IPM module (figure does not indicate), the rectifier bridge 20, pfc circuit 30 and IPM mould Block is sequentially connected, and the dc-link capacitance 40 is parallel to the output end of the pfc circuit 30, the master controller 10 with it is described Pfc circuit 30 and the IPM module are separately connected；The pfc circuit includes PFC power switch 31 and PFC inductance 32；The electricity Control 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, rectifier bridge 20, IPM module, PFC power switch 31 and PFC inductance 32 are set to described On one circuit board 110, the first circuit board 110 is set in the box body 10；

Second circuit board 120, the master controller 10 and dc-link capacitance 40, are set to the second circuit board 120 On；

Alternatively, the master controller 10 and the PFC inductance 32 are set on the second circuit board 120, the rectification Bridge 20, the IPM module, the PFC power switch 31 and the dc-link capacitance 40, are set to the first circuit board On 110.

In the present embodiment, box body 100 can be made for accommodating first circuit board 110, box body 100 using plastic material, It can also be made using the metal materials such as aluminium or aluminum alloy material, the present embodiment is chosen as metal material realization.Box body 100 Through one or more combination settings in screw, bolt, riveting, welding, clamping and inserting mode on fluid reservoir 200, and with The one side of fluid reservoir 200 is bonded, and the refrigerant in fluid reservoir 200 can absorb heat in vaporization, therefore its operating temperature is generally tieed up It holds between subzero 20 degrees Celsius~30 degrees Celsius, so set, being conducive to the rectifier bridge 20 on first circuit board 110, IPM module 50, at work, the heat of generation will by box body 100 for the components such as PFC power switch 31 and PFC inductance 32 and circuit module Heat is conducted to fluid reservoir 200, and by fluid reservoir 200 refrigerant vaporize when absorb, to utilize the low temperature of fluid reservoir 200 Working environment improves rate of heat dispation.Due to the temperature of the heater elements such as compressor IPM module 50 can drop it is very low, together Deng under the conditions of, the heatable power of module (chip) can do it is higher, i.e., using current chip can drive it is more high-power Without crossing cause thermal damage, in other words, little module driving more number air-conditioning may be implemented in load.

In the present embodiment, be additionally provided on second circuit board 120 power input interface Vin for accessing AC power source, It for the power output interface Vout of output AC power source to first circuit board, and is used for and external device (ED), such as air conditioning chamber The communication interface CN1 that interior machine is communicated.The controller 111 for carrying out data processing is additionally provided on first circuit board 110.Master control It is integrated with sequence controller, memory, data processor in device 10 processed, and is stored on the memory and can be in the number According to the software program and/or module run on processor, master controller 10 is stored in soft in memory by operation or execution Part program and/or module, and the data being stored in memory are called, and pass through the second of communication interface CN1 and indoor unit Control unit on circuit board 120 is communicated, and the control signal that control unit exports is exported to first circuit board 110 Controller, controller will control signal and be converted to after corresponding logic level signal output to PFC power switch 31 and IPM mould Block, to drive PFC power switch 31 and IPM module to work.

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.

In the present embodiment, PFC power switch 31 also with other component groups such as diode (not shown go out), PFC inductance 32 The Active PFC to DC power supply is realized at pfc circuit 30.Pfc circuit 30 can be using passive PFC circuit 30 come real It is existing, to constitute boost PFC circuit 30 perhaps voltage-dropping type pfc circuit 30 or buck-boost type pfc circuit 30.It is understood that It is that in practical applications, class can be arranged according to pfc circuit 30 in PFC power switch 31 and 20 position of rectifier bridge and connection relationship Type is adaptively adjusted.Control of the pfc circuit 30 based on master controller 10, and the direct current that rectifier bridge 20 is inputted carries out function The adjustment of rate factor, such as the DC voltage that rectifier bridge 20 exports is increased and is stablized in 380V so that input current follow it is defeated Enter voltage, guarantees the power factor (PF) of DC power supply 0.9 or more.DC power transmission adjusted is passed through to dc-link capacitance 40 Output extremely pressure IPM module after dc-link capacitance 40 filters.Direct current adjusted can also be produced by 70 circuit of Switching Power Supply The driving voltage of raw various numerical value, such as generate the voltages such as 5V, 15V, for such as master controller 10 of second circuit board 120 and the Component power supply on one circuit board 110.

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 IPM module, and it is even direct heavy overload occurs Short circuit or temperature overheating when the failures such as driving voltage over-voltage, can control the power device soft switching in IPM module, simultaneously Fault-signal is issued to control circuit unit, so that control circuit unit controls the work of other circuit modules, to avoid for some reason Hinder and damages other circuit modules.

In the present embodiment, multiple power switch tubes, multiple power switch tube composition driving inversion electricity are integrated in IPM module Road, such as three-phase inversion bridge circuit can be made of six power switch tubes, or form two contraries by four power switch tubes Become device bridge circuit.Wherein, each power switch tube can be realized using metal-oxide-semiconductor or IGBT.

It should be noted that rectifier bridge 20, IPM module, PFC power switch 31 and PFC inductance 32, especially compressor General heating is more serious at work for IPM module 50, and the heat that power device generates can be by electric-controlled plate to master controller 10 conduction, so that nearly reaching identical temperature with master controller 10.And the ideal working temperature of master controller 10 is low mostly It is excessively high in the operating temperature that the operating temperature of power device, therefore power device may cause master controller 10 and occur therefore Barrier, makes main controller 10 be easy the control signal of output error, in order to avoid the above problem occurs, by master control in the present embodiment The setting of device 10 processed is arranged on second circuit board 120, and by rectifier bridge 20, IPM module, PFC power switch 31 and PFC inductance 32 It, and can between master controller 10 and PFC power switch 31 between master controller 10 and IPM module on first circuit board 110 To be electrically connected by conducting wire, and first circuit board 110 is arranged in box body 100, is radiated by fluid reservoir 200, from And the operating temperature of component and circuit module on first circuit board 110 is maintained -20 degrees Celsius~120 degrees Celsius.Such as This setting, it is ensured that the heat energy that rectifier bridge 20, compressor IPM module 50, PFC power switch 31 and PFC inductance 32 generate Enough by 200 rapid cooling of fluid reservoir, the radiating elements such as Hot-air fan are set without being casually arranged with, radiating efficiency both can be improved, while also Conducive to the driving delay decrease of PFC power switch 31 and compressor IPM module 50, so as to improve opening for each power switch tube Speed is closed, and can reduce the switching loss and electromagnetic interference of compressor IPM module 50, guarantees that IPM module can for a long time may be used The operation leaned on.

It should also be noted that, in some embodiments, since dc-link capacitance 40 generally uses the biggish electricity of volume Capacitor is solved to realize, and quantity may be multiple, more serious relative to fever compressor IPM module 50 or pfc circuit 30 For, the fever of electrolytic capacitor is smaller.In addition, the volume of PFC inductance 32 is also larger, dc-link capacitance 40 and PFC inductance 32 It is arranged on first circuit board 110 simultaneously and fits into box body 100, it, may when box body 100 is mounted on again on fluid reservoir 200 It will affect the center of gravity of fluid reservoir 200, and the element of large volume is arranged on first circuit board 110, box body 100 then needs to be arranged Larger cavity is unfavorable for circuit layout and the installation of electrically-controlled component to accommodate said elements.To solve the above-mentioned problems, this reality It applies example dc-link capacitance 40 or PFC inductance 32 are arranged on second circuit board 120, rectifier bridge 20, IPM module, PFC function The equal main heating sources of rate switch 31 are arranged on first circuit board 110, thus can be quick by fluid reservoir 200 by the heat of generation Heat dissipation improves radiating efficiency, while also helping the volume for reducing first circuit board 110, is easily installed in the box of electrically-controlled component In body 100, simplify the pcb board layout of electric-controlled plate.

The electrically-controlled component that the utility model is radiated based on compressor liquid storage can 200 is by rectifier bridge 20, IPM module, PFC power Switch 31 and PFC inductance 32 (or dc-link capacitance 40) are set on first circuit board 110, and by master controller 10 and directly Stream bus capacitor 40 (or PFC inductance 32) is set on second circuit board 120；Between master controller 10 and IPM module, and It can be electrically connected by conducting wire between master controller 10 and PFC power switch 31, first circuit board 110 is arranged in box body 100 It is interior, and box body 100 is detachably connected with fluid reservoir 200, and by the contact heat dissipation of fluid reservoir 200, is conducive to first circuit board 110 On rectifier bridge 20, IPM module, the components such as PFC power switch 31 and circuit module at work, the heat of generation passes through box Body 100 conducts heat on fluid reservoir 200, and by fluid reservoir 200 refrigerant vaporize when absorb, to utilize fluid reservoir 200 low-temperature working environment improves rate of heat dispation.The utility model electrically-controlled component uses second circuit board 120 and the first circuit Plate 110 two pieces of circuit boards realize, and by heat sources device and master controllers such as rectifier bridge 20, IPM module, PFC power switch 31 10 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.And It can solve using a monolith circuit board come when realizing, component is intensive, the problem of wiring and electric appliance isolation difficulty uses Two pieces of circuit boards can also reduce single circuit board, such as the volume of first circuit board 110, be easily installed in the box of electrically-controlled component In body 100, to simplify the pcb board layout of electric-controlled plate.The utility model is solved using the power and increase for increasing fan The volume of radiator causes heat dissipation cost to increase, but the problem that radiating efficiency is still lower.

Referring to Figure 1 to Figure 7, in an alternative embodiment, the IPM module is compressor IPM module 50 and/or direct current Blower IPM module 60.

It is understood that in some embodiments, the DC fan IPM module 60 is set to the first circuit board On 110, the DC fan IPM module 60 is electrically connected with the master controller 10.

It should be noted that the outdoor fan of air conditioner can be divided into AC blower fan and DC fan, AC blower fan is general It can work without driving, and DC fan is then needed to control its work by power drive.Outdoor wind in this implementation Machine is optional to be realized using DC fan, adaptation, and the present embodiment is additionally provided with DC fan IPM module 60, straight for driving Flow fan, compressor IPM module 50 is for driving compressor electric motor.Certainly in other embodiments, compressor IPM module 50 is gone back It can be used for driving the frequency converter and various inverters of other motors, and be applied to frequency control, metallurgical machinery, electric power is led Draw, in the fields such as frequency-conversion domestic electric appliances such as servo-drive and air-conditioning.It is understood that in order to improve the collection of compressor IPM module 50 Cheng Du, reduces the volume of circuit board, and the PFC power switch 31 can be integrated in the compressor IPM mould by the present embodiment In block 50.Multiple IGBT, metal-oxide-semiconductor constant power switch are integrated in DC fan IPM module 60 and compressor IPM module 50 respectively Pipe, the quantity of multiple power switch tubes can be four or six, and particular number can be according to motor type, driving power etc. Setting, herein with no restrictions.Certainly in other embodiments, DC fan IPM module 60 can also be set on second circuit board On 120, 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 Figure 1 to Figure 7, in an alternative embodiment, the box body 100 has the first accommodating cavity 130 and the second accommodating Chamber 140, the IPM module are placed in first accommodating cavity 130, the rectifier bridge 20, PFC power switch 31 and PFC electricity Sense 32 is placed in second accommodating cavity 140, and the rectifier bridge 20, PFC power switch 31 and PFC inductance 32 pass through described second 140 heat loss through radiation of accommodating cavity.

In the present embodiment, the first accommodating cavity 130 is that face heat dissipation metal plate 300 is arranged, rectifier bridge 20, the PFC power Heat caused by switch 31 and the IPM module can quickly be conducted to fluid reservoir 200 by heat dissipation metal plate 300, and be added The heat dissipation of fast said elements improves radiating efficiency.The outer wall of second accommodating cavity 140 is at least partly pasted with the outer wall of fluid reservoir 200 It closes, so set, making the fevers such as the rectifier bridge 20 on first circuit board 110, PFC power switch 31 and PFC inductance 32 tighter Weight, and the biggish component of volume is fitting into the second accommodating cavity 140, thus rectifier bridge 20, PFC power switch 31 and At work, the heat of generation conducts heat to storage by the second accommodating cavity 140 for the components such as PFC inductance 32 and circuit module On flow container 200, and by fluid reservoir 200 refrigerant vaporize when absorb, to be mentioned using the low-temperature working environment of fluid reservoir 200 High rate of heat dispation.

Referring to Figure 1 to Figure 7, in an alternative embodiment, the electrically-controlled component further includes heat dissipation metal plate 300, the heat dissipation The side of metal plate 300 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 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 is logical for the components such as bridge 20, IPM module, PFC power switch 31 and PFC inductance 32 and circuit module It crosses box body 100 to conduct heat on heat dissipation metal plate 300, be accelerated in heat transfer to fluid reservoir 200 by heat dissipation metal plate 300 Speed improves rate of heat dispation.

Referring to Figure 1 to Figure 7, 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 IPM module is mounted on second side of the mounting bracket 400, and the pin of the pin of the IPM module both passes through The mounting bracket 400 is connected and fixed with the first circuit board 110；

There is installation window, the IPM module is attached at the heat dissipation metal plate by the installation window on the box body 100 On gold 300.

Further, in above-described embodiment, the rectifier bridge 20 is mounted on second side of the mounting bracket 400, described The pin of rectifier bridge 20 passes through the mounting bracket 400 and is connected and fixed with the first circuit board 110, and the rectifier bridge 20 passes through The installation window is attached on the heat dissipation metal plate 300.

In the present embodiment, IPM module, the pin of especially compressor IPM module 50 is mostly direct plugging-in or gull wing type Encapsulation, and the contact area of pin and first circuit board 110 is typically small, especially direct plugging-in, therefore compressor IPM mould The load-bearing capacity of block 50 is smaller.In order to avoid first circuit board 110 be mounted on heat dissipation metal plate 300 on when, compressor IPM mould Block 50 and rectifier bridge 20 are deformed, or are damaged, and the present embodiment is additionally provided with mounting bracket 400, and by compressor IPM Module 50 and rectifier bridge 20 are arranged in mounting bracket 400, and pin passes through the mounting bracket 400 and the first circuit board 110 are connected and fixed.So set, compressor IPM module 50 and rectifier bridge 20 and heat dissipation 300 face of metal plate setting can also be made, The heat that compressor IPM module 50 and rectifier bridge 20 are generated quickly is conducted by the metal plate 300 that radiates, to mention The rate of heat dispation of high compressor IPM module 50 and rectifier bridge 20.After box body 100 is fixedly mounted on fluid reservoir 200, in order to reduce First circuit board 110 generates vibration with fluid reservoir 200 and generation relative motion, and is transferred on first circuit board 110, in box When body 100 is fixed on fluid reservoir 200, first circuit board 110 can be fixed on heat dissipation metal plate 300 by screw, bolt, when Right first circuit board 110 can also be connected and fixed using other modes and box body 100 and heat dissipation metal plate 300, not limited herein System.

Referring to Figure 1 to Figure 7, 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, PFC power switch 31 and PFC inductance 32 dampness and it is short-circuit, influence electrically-controlled component work normally.In order to solve above-mentioned ask Topic, the present embodiment is additionally provided with sealing ring 500, i.e. gasket seal between mounting bracket 400 and box body 100, to use box body 100 are completely cut off with heat dissipation metal plate 300, so that the component in box body 100 is sealed.

Referring to Figure 1 to Figure 7, 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. can be and external by each circuit element interface of the through-hole (figure does not indicate) and second circuit board 120 (not shown go out) The electrical connection such as DC fan, compressor blower.

Referring to Figure 1 to Figure 7, 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 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 pacifies with first circuit board 110 In the box body 100 of electrically-controlled component, it is to be understood that second circuit board 120 and first circuit board 110 are in box body 100 Rigging position can be adaptively adjusted according to the shape of respective template and size and fluid reservoir 200, so that box body 100 It is adapted to fluid reservoir 200.

Referring to Figure 1 to Figure 7, 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 are connect with the plant-grid connection interface, institute The input terminal for stating EMC filter circuit 80 is connect with the power input interface Vin, the output end of the EMC filter circuit 80 with The rectifier bridge 20 connects；

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.

The utility model also proposes a kind of outdoor unit.

Referring to figure Fig. 7, which includes compressor and electrically-controlled component as described above, and the compressor has fluid reservoir 200, the electrically-controlled component is fixedly mounted on the outer wall of the fluid reservoir 200, and the master controller of the electrically-controlled component supplies and room Interior machine communication.The detailed construction of the electrically-controlled component can refer to above-described embodiment, and details are not described herein again；It is understood that due to Above-mentioned electrically-controlled component is used in the utility model outdoor unit, therefore, the embodiment of the utility model outdoor unit includes above-mentioned Whole technical solutions of electrically-controlled component whole embodiments, and technical effect achieved is also identical, details are not described herein.

In above-described embodiment, the side of the compressor main body is arranged in the fluid reservoir 200, and the box body is mounted on institute It states between compressor main body and the fluid reservoir 200.

The operating temperature of fluid reservoir 200 is generally operating temperature and generally maintains between subzero 20 degrees Celsius~30 degrees Celsius, Therefore the moisture in air may condense into condensed water in fluid reservoir 200, which may be on the outer wall of fluid reservoir 200 Heat dissipation metal plate enter in the box body of electrically-controlled component, and the temperature of compressor wants high generally relative to fluid reservoir 200, in liquid storage Tank 200 is relatively high close to the side temperature of compressor, essentially identical with environment temperature, then is not easily formed condensed water, therefore Electric-controlled box, which is mounted between the compressor main body and the fluid reservoir 200, can also prevent from being formed on fluid reservoir 200 Condensed water enters in the box body of electrically-controlled component, and the circuit element influenced in box body works normally.

The utility model also proposes a kind of air conditioner, including compressor and electrically-controlled component as described above, the compressor With fluid reservoir, the electrically-controlled component is fixedly mounted on the outer wall of the fluid reservoir.Or including, indoor unit and weigh it is upper as described in Outdoor unit, the main control chip communication connection of the master controller of the outdoor unit and the indoor unit.

It should be understood that the air conditioner contains all embodiments of above-mentioned electrically-controlled component or above-mentioned outdoor unit, have Technical effect identical with above-mentioned electrically-controlled component or above-mentioned outdoor unit, 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 electrically-controlled component, which is characterized in that the electrically-controlled component includes master controller, rectifier bridge, pfc circuit, direct current mother Line capacitance and IPM module, the rectifier bridge, the pfc circuit and the IPM module are sequentially connected, the dc-link capacitance It is parallel to the output end of the pfc circuit, the master controller is separately connected with the pfc circuit and the IPM module；It is described Pfc circuit includes PFC power switch and PFC inductance；The electrically-controlled component further include:

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

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

Second circuit board, the master controller and the dc-link capacitance are set on the second circuit board；

Alternatively, the master controller and the PFC inductance are set on the second circuit board, the rectifier bridge, the IPM mould Block, the PFC power switch and the dc-link capacitance are set on the first circuit board.

2. electrically-controlled component 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, the output end of the Switching Power Supply and the master controller Power end electrical connection.

3. electrically-controlled component as described in claim 1, which is characterized in that the quantity of the dc-link capacitance is multiple.

4. electrically-controlled component as described in claim 1, which is characterized in that the box body has the first accommodating cavity and the second accommodating Chamber, the IPM module are placed in first accommodating cavity, and the rectifier bridge, PFC power switch and PFC inductance are placed in described In second accommodating cavity, the rectifier bridge, PFC power switch and PFC inductance pass through the second accommodating cavity heat loss through radiation；

The PFC power switch is integrated in the IPM module, alternatively, the PFC power switch and the IPM module are discrete Setting.

5. electrically-controlled component as described in claim 1, which is characterized in that the IPM module, be DC fan IPM module and/or Compressor IPM module.

6. the electrically-controlled component as described in claim 1 to 5 any one, which is characterized in that the electrically-controlled component further includes heat dissipation Metal plate, the heat dissipation metal plate side are fixedly mounted on the one side of the fluid reservoir, the heat dissipation metal plate other side and the box Body is detachably connected.

7. electrically-controlled component as claimed in claim 6, which is characterized in that the electrically-controlled component further includes mounting bracket, the peace Dress bracket have back to the first side and second side, the first side of the mounting bracket be sticked on the first circuit board, institute State second side that IPM module is mounted on the mounting bracket, the pin of the IPM module passes through the mounting bracket and described the One circuit board is connected and fixed；

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

8. electrically-controlled component as claimed in claim 7, 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.

9. a kind of outdoor unit, which is characterized in that the electrically-controlled component including compressor and as described in claim 1 to 8 any one, The compressor has fluid reservoir, and the electrically-controlled component is fixedly mounted on the outer wall of the fluid reservoir, the electrically-controlled component Master controller with indoor unit for communicating.

10. outdoor unit as claimed in claim 9, which is characterized in that the compressor also has compressor main body, the liquid storage The side of the compressor main body is arranged in tank, and the box body is mounted between the compressor main body and the fluid reservoir.

11. a kind of air conditioner, which is characterized in that automatically controlled group including compressor and as described in claim 1 to 8 any one Part, the compressor have fluid reservoir, and the electrically-controlled component is fixedly mounted on the outer wall of the fluid reservoir；Or including indoor The main control chip of machine and the outdoor unit as described in claim 9 or 10, the master controller of the outdoor unit and the indoor unit is logical News connection.