CN110486852A - Electrically-controlled component, outdoor unit and air conditioner - Google Patents
Electrically-controlled component, outdoor unit and air conditioner Download PDFInfo
- Publication number
- CN110486852A CN110486852A CN201810467327.8A CN201810467327A CN110486852A CN 110486852 A CN110486852 A CN 110486852A CN 201810467327 A CN201810467327 A CN 201810467327A CN 110486852 A CN110486852 A CN 110486852A
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- electrically
- compressor
- controlled component
- circuit board
- pfc
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
- F24F1/24—Cooling of electric components
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rectifiers (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention discloses a kind of electrically-controlled component, outdoor unit and air conditioner, the electrically-controlled component includes master controller, rectifier bridge, pfc circuit, dc-link capacitance and compressor IPM module, rectifier bridge, pfc circuit and compressor IPM module are sequentially connected, dc-link capacitance is parallel to the output end of pfc circuit, and master controller is separately connected with pfc circuit and compressor IPM module；Pfc circuit includes PFC power switch and PFC inductance；Electrically-controlled component further include: box body is radiated for being detachably connected with fluid reservoir with being contacted by 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, PFC inductance and dc-link capacitance are set on second circuit board.The present invention utilizes the low-temperature working environment of fluid reservoir, improves the rate of heat dispation of electrically-controlled component.
Description
Technical field
The present invention relates to technical field of electric appliances, 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.
Summary of the invention
The main object of the present invention is to propose a kind of electrically-controlled component, outdoor unit and air conditioner, it is intended to solve to utilize fluid reservoir
Low-temperature working environment, improve the rate of heat dispation of electrically-controlled component.
To achieve the above object, the present invention proposes that a kind of electrically-controlled component, the electrically-controlled component include master controller, rectification
Bridge, pfc circuit, dc-link capacitance and compressor IPM module, the rectifier bridge, pfc circuit and compressor IPM module are successively
Connection, the dc-link capacitance are parallel to the output end of the pfc circuit, the master controller and the pfc circuit and institute
Compressor IPM module is stated to be separately connected；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 compressor IPM module and the PFC power switch are set to described
On one circuit board, the first circuit board is set in the box body；
Second circuit board, the master controller, the PFC inductance and the dc-link capacitance are set to second electricity
On the plate of road.
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 electrically-controlled component further includes DC fan compressor IPM module, the DC fan compressor IPM
Module is set on the first circuit board or on the second circuit board, the DC fan compressor IPM module and the master
Controller electrical connection.
Optionally, the PFC power switch is integrated in the compressor IPM module, alternatively, the PFC power switch
With the discrete setting of compressor IPM module.
Optionally, the electrically-controlled component further includes heat dissipation metal plate, and the side of the heat dissipation metal plate is fixedly mounted on the storage
The other side of the one side of flow container, 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 both pass through the mounting bracket and connect with the first circuit board admittedly
It is fixed；
There is installation window, the compressor IPM is attached at the heat dissipation metal plate by the installation window on the box body
Jin Shang.
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 present invention also proposes that a kind of outdoor unit, including compressor and electrically-controlled component as described above, the compressor have
Fluid reservoir, the electrically-controlled component are fixedly mounted on the outer wall of the fluid reservoir, and the master controller of the electrically-controlled component supplies and room
Interior machine communication.
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 present invention also proposes that a kind of air conditioner, including compressor and electrically-controlled component as described above, the compressor have
Fluid reservoir, the electrically-controlled component are fixedly mounted on the outer wall of the fluid reservoir；Or including indoor unit and outdoor as described above
Machine, the main control chip communication connection of the master controller of the outdoor unit and the indoor unit.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the electrical block diagram of one embodiment of electrically-controlled component of the present invention；
Fig. 2 is the structural schematic diagram of one embodiment of electrically-controlled component of the present invention；
Fig. 3 is the structural schematic diagram of one embodiment of first circuit board in electrically-controlled component of the present invention；
Fig. 4 is the structural schematic diagram of one embodiment of second circuit board in electrically-controlled component of the present invention；
Fig. 5 is the structural schematic diagram of one embodiment of outdoor unit of the present invention.
Detailed description of the invention
| Label | Title | Label | Title |
| 10 | Master controller | 400 | Mounting bracket |
| 20 | Rectifier bridge | 500 | Sealing ring |
| 30 | Pfc circuit | 600 | Box cover |
| 40 | Dc-link capacitance | 700 | Compressor |
| 50 | Compressor IPM module | 100 | Box body |
| 60 | DC fan IPM module | 110 | Electric-controlled plate |
| 70 | Switching Power Supply | 200 | Fluid reservoir |
| 80 | EMC filter circuit | 300 | Radiator |
| Vin | Power input interface | CN1 | Communication interface |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of electrically-controlled component, can be used in the equipment such as air-conditioning, refrigerator, below for convenience of understanding, is illustrating
When, it is illustrated for being applied to air-conditioning.
Referring to figs. 1 to Fig. 5, in an embodiment of the present invention, which includes master controller 10, rectifier bridge 20, PFC
Circuit 30, dc-link capacitance 40 and compressor IPM module 50, the rectifier bridge 20, pfc circuit 30 and compressor IPM module
50 are 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 compressor IPM module 50 are separately connected；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, the compressor IPM module 50 and the PFC power switch 31 setting
In on the first circuit board 110, the first circuit board 110 is set in the box body 100；
Second circuit board 120, the master controller 10, the PFC inductance 32 and the dc-link capacitance 40 are set to
On the second circuit board 120.
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 rectifier bridge 20, the compressor on first circuit board 110
At work, the heat of generation passes through box for the components such as IPM module 50, PFC power switch 31 and PFC inductance 32 and circuit module
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.Since the temperature of the heater elements such as compressor IPM module 50 can drop very
Low, therefore, under equal conditions, the heatable power of module (chip) can do higher, i.e., can be driven using current chip
Without crossing cause thermal damage, in other words, little module driving more number air-conditioning may be implemented in dynamic more high power 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 compression
Machine IPM module 50, to drive PFC power switch 31 and compressor IPM module 50 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 forms pfc circuit 30 with other components such as diode, PFC inductance 32
To realize the Active PFC to DC power supply.Pfc circuit 30 can be realized using passive PFC circuit 30, be risen with constituting
Die mould pfc circuit 30 perhaps voltage-dropping type pfc circuit 30 or buck-boost type pfc circuit 30.It is understood that actually answering
In, PFC power switch 31 can be arranged type according to pfc circuit 30 with 2020 position of rectifier bridge and connection relationship and be adapted to
Property adjustment, the present embodiment is illustrated with boost PFC circuit 30, but is not limited to boost PFC circuit 30.PFC power switch
31 controls based on master controller 10, and the direct current that rectifier bridge 20 is inputted carries out power factor (PF) adjustment, such as by rectifier bridge
The DC voltage of 20 outputs increases and stablizes in 380V, so that input current follows input voltage, guarantees the function of DC power supply
Rate factor is 0.9 or more.DC power transmission adjusted exports after the filtering of dc-link capacitance 40 to dc-link capacitance 40
To compressor IPM module 50, for compressor IPM module 50.Direct current adjusted can also by 70 circuit of Switching Power Supply,
Generate the driving voltage of various numerical value, such as generate the voltages such as 5V, 15V, with for such as master controller 10 of second circuit board 120 and
Component power supply on first 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 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, and multiple power switch tube compositions drive
Dynamic inverter circuit, such as three-phase inversion bridge circuit can be made of six power switch tubes, or by four power switch tube groups
At 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 be applied to frequency control, metallurgical machinery, electric propulsion, servo-drive and air-conditioning etc. become
In the fields such as frequency 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,
The PFC power switch 31 can be integrated in the compressor IPM module 50 certainly in other embodiments by the present embodiment
In, stating PFC power switch 31 and compressor IPM module 50 discrete can also be arranged, herein with no restrictions.
It should be noted that rectifier bridge 20, compressor IPM module 50, PFC power switch 31 and PFC inductance 32, especially
General heating is more serious at work for compressor IPM module 50, and the heat that power device generates can be by electric-controlled plate to master
Controller 10 conducts, so that nearly reaching identical temperature with master controller 10.And the ideal working temperature of master controller 10 is big
Be less than power device more, thus the operating temperature of power device may cause master controller 10 operating temperature it is excessively high and send out
Raw failure, makes main controller 10 be easy the control signal of output error, will in the present embodiment in order to avoid above problem generation
Master controller 10 be arranged on second circuit board 120, and by rectifier bridge 20, compressor IPM module 50, PFC power switch 31 and
PFC inductance 32 is arranged on first circuit board 110, between master controller 10 and compressor IPM module 50 and master controller 10
It can be electrically connected by conducting wire between PFC power switch 31, and first circuit board 110 is arranged in box body 100, passed through
Fluid reservoir 200 radiates, so that the operating temperature of component and circuit module on first circuit board 110 is maintained -20
Degree Celsius~120 degrees Celsius.Be arranged such, it is ensured that rectifier bridge 20, compressor IPM module 50, PFC power switch 31 and
The heat that PFC inductance 32 generates can be set the radiating elements such as Hot-air fan without being casually arranged with, both may be used by 200 rapid cooling of fluid reservoir
Radiating efficiency is improved, while also helping the driving delay decrease of PFC power switch 31 and compressor IPM module 50, so as to
To improve the switching speed of each power switch tube, and it can reduce the switching loss and electromagnetic interference of compressor IPM module 50,
Guarantee that compressor IPM module 50 being capable of operation reliably and with long-term.
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 and PFC inductance 32 are arranged on second circuit board 120, rectifier bridge 20, compressor IPM module
50, the main heating sources such as PFC power switch 31 are arranged on first circuit board 110, so that the heat of generation can be passed through liquid storage
200 rapid cooling of tank improves radiating efficiency, while also helping the volume for reducing first circuit board 110, is easily installed in automatically controlled
In the box body 100 of component, simplify the pcb board layout of electric-controlled plate.
The electrically-controlled component to radiate the present invention is based on compressor liquid storage can 200 is by rectifier bridge 20, compressor IPM module 50, PFC
Power switch 31 is set on first circuit board 110, and master controller 10, dc-link capacitance 40 and PFC inductance 32 are arranged
In on second circuit board 120；Between master controller 10 and compressor IPM module 50 and master controller 10 and PFC power switch
It can be electrically connected by conducting wire between 31, first circuit board 110 is arranged in box body 100, and box body 100 and fluid reservoir 200
It is detachably connected, and by the contact heat dissipation of fluid reservoir 200, is conducive to rectifier bridge 20, the compressor IPM on first circuit board 110
At work, the heat of generation is passed heat by box body 100 for the components such as module 50, PFC power switch 31 and circuit module
It is absorbed when being directed on fluid reservoir 200, and being vaporized by the refrigerant in fluid reservoir 200, to utilize the low-temperature working ring of fluid reservoir 200
Rate of heat dispation is improved in border.Electrically-controlled component of the present invention is using 110 two pieces of circuit boards of second circuit board 120 and first circuit board come real
It is existing, and the nonthermal sources such as heat sources device and master controller 10 such as rectifier bridge 20, compressor IPM module 50, PFC power switch 31 are divided
It opens up and sets, can radiate to avoid Heat source device part to nonthermal source device, and influence the work of nonthermal source device.And it can solve use
One monolith circuit board is come when realizing, component is intensive, the problem of wiring and electric appliance isolation difficulty, also using two pieces of circuit boards
It can 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, thus
Simplify the pcb board layout of electric-controlled plate.
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 AC blower fan and DC fan, the general nothing of AC blower fan can be divided by adjusting the outdoor fan of device
Need to drive can work, and DC fan is then needed to control its work by power drive.Outdoor fan in this implementation
It is optional to be realized using DC fan, adaptation, the present embodiment is additionally provided with DC fan IPM module 60, for driving direct current
Multiple IGBT, metal-oxide-semiconductor constant power switch are integrated in blower, 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 figs. 1 to Fig. 5, in an alternative embodiment, the box body 100 has the first accommodating cavity 130 and the second accommodating
Chamber 140, the compressor IPM module 50 are placed in first accommodating cavity 130, and the rectifier bridge 20, the PFC power are opened
31 are closed to be placed in second accommodating cavity 140.
In the present embodiment, the outer wall of the second accommodating cavity 140 is at least partly bonded with the outer wall of fluid reservoir 200, so set,
So that the fever such as rectifier bridge 20, PFC power switch 31 and PFC inductance 32 on first circuit board 110 is more serious, and volume is larger
Component fitting into the second accommodating cavity 140, thus in the components such as rectifier bridge 20, PFC power switch 31 and circuit mould
At work, the heat of generation is conducted heat on fluid reservoir 200 block by the second accommodating cavity 140, and by fluid reservoir 200
Refrigerant vaporization when absorb, thus using the low-temperature working environment of fluid reservoir 200, improve rate of heat dispation.
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 box for the components such as bridge 20, compressor IPM module 50, PFC power switch 31 and circuit module
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 rate of heat dispation.
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
The pin of pin both 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.
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, the pin of compressor IPM module 50 be mostly direct plugging-in or gull wing type encapsulation, and pin with
The contact area of first circuit board 110 is typically small, especially direct plugging-in, therefore the load-bearing capacity of compressor IPM module 50
It 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 squeezed buckling
Shape, or be damaged, the present embodiment is additionally provided with mounting bracket 400, and compressor IPM module 50 and the setting of rectifier bridge 20 are existed
In mounting bracket 400, pin passes through the mounting bracket 400 and is connected and fixed with the first circuit board 110.So set, also
It can make compressor IPM module 50 and rectifier bridge 20 and heat dissipation 300 face of metal plate setting, so that compressor IPM module 50 and whole
The heat that stream bridge 20 generates can quickly be conducted by the metal plate 300 that radiates, to improve compressor IPM module 50 and rectification
The rate of heat dispation of bridge 20.After box body 100 is fixedly mounted on fluid reservoir 200, in order to reduce first circuit board 110 and fluid reservoir
200 generate vibration with relative motion occurs, and are transferred on first circuit board 110, are fixed on fluid reservoir 200 in box body 100
When upper, first circuit board 110 can be fixed on heat dissipation metal plate 300 by screw, bolt, and certain first circuit board 110 may be used also
It is connected and fixed in a manner of using others with 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 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 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. 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 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 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 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.
The present invention also proposes a kind of outdoor unit.
Referring to Fig. 5, which includes compressor 700, fluid reservoir 200 and electrically-controlled component as described above, described automatically controlled
Component is fixedly mounted on the outer wall of the fluid reservoir 200, and the master controller of the electrically-controlled component with indoor unit for communicating.The electricity
The detailed construction of control component can refer to above-described embodiment, and details are not described herein again；It is understood that due in outdoor unit of the present invention
In used above-mentioned electrically-controlled component, therefore, the embodiment of outdoor unit of the present invention includes the complete of above-mentioned electrically-controlled component whole embodiments
Portion's technical solution, 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 generally maintains between subzero 20 degrees Celsius~30 degrees Celsius, therefore the water in air
Condensed water may be condensed into fluid reservoir 200 by dividing, which may enter along the heat dissipation metal plate on the outer wall of fluid reservoir 200
Into the box body of electrically-controlled component, and the temperature of compressor wants high generally relative to fluid reservoir 200, in fluid reservoir 200 close to compression
The side temperature of machine 700 is relatively high, essentially identical with environment temperature, then is not easily formed condensed water, therefore by automatically controlled box body
100 are mounted between the compressor main body and the fluid reservoir 200 condensed water that can also prevent from being formed on fluid reservoir 200
Into in the box body 100 of electrically-controlled component, the circuit element influenced in box body 100 is worked normally.
The present invention also proposes that a kind of air conditioner, including compressor and electrically-controlled component as described above, the compressor have
Fluid reservoir, the electrically-controlled component are fixedly mounted on the outer wall of the fluid reservoir.Or including indoor unit and the room as described in power is upper
Outer machine, 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.
It is merely a preferred embodiment of the present invention, is not intended to limit the scope of the invention described in upper, it is all in this hair
Under bright inventive concept, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/be used in indirectly
Other related technical areas are included in scope of patent protection of the invention.
Claims (11)
1. a kind of electrically-controlled component, the electrically-controlled component includes master controller, rectifier bridge, pfc circuit, dc-link capacitance and compression
Machine IPM module, the rectifier bridge, pfc circuit and compressor IPM module are sequentially connected, and the dc-link capacitance is parallel to institute
The output end of pfc circuit is stated, the master controller is separately connected with the pfc circuit and the compressor IPM module；PFC electricity
Road 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 fluid reservoir, to pass through fluid reservoir contact heat dissipation；
First circuit board, the rectifier bridge, the compressor IPM module and the PFC power switch are set to first electricity
On the plate of road, the first circuit board is set in the box body；
Second circuit board, the master controller, the PFC inductance and the dc-link capacitance are set to the second circuit board
On.
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 electrically-controlled component further includes DC fan compressor
IPM module, the DC fan compressor IPM module is set on the first circuit board or on the second circuit board, described
DC fan compressor IPM module is electrically connected with the master controller.
5. electrically-controlled component as described in claim 1, which is characterized in that
The PFC power switch is integrated in the compressor IPM module, alternatively, the PFC power switch and the compressor
The discrete setting of 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 side of the heat dissipation metal plate are fixedly mounted on the one side of the fluid reservoir, the other side of the heat dissipation metal plate and institute
Box body is stated to be 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
Second side that compressor IPM module is mounted on the mounting bracket is stated, the pin of the compressor IPM module both passes through the peace
Dress bracket is connected and fixed with the first circuit board；
There is installation window, the compressor IPM 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810467327.8A CN110486852B (en) | 2018-05-14 | 2018-05-14 | Automatically controlled subassembly, off-premises station and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810467327.8A CN110486852B (en) | 2018-05-14 | 2018-05-14 | Automatically controlled subassembly, off-premises station and air conditioner |
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| CN110486852B CN110486852B (en) | 2021-08-31 |
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