CN109194243A - Electric appliance and intelligent power module - Google Patents
Electric appliance and intelligent power module Download PDFInfo
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- CN109194243A CN109194243A CN201811287319.1A CN201811287319A CN109194243A CN 109194243 A CN109194243 A CN 109194243A CN 201811287319 A CN201811287319 A CN 201811287319A CN 109194243 A CN109194243 A CN 109194243A
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- bridge arm
- controllable switch
- compressor
- lower bridge
- blower
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- 230000001681 protective effect Effects 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 15
- 230000001012 protector Effects 0.000 claims description 6
- 238000004378 air conditioning Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 9
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
Abstract
The invention discloses a kind of electric appliance and intelligent power module, comprising: rectifier bridge；The PFC pfc circuit being connected with rectifier bridge；Bridge arm compressor controllable switch and at least one lower bridge arm compressor controllable switch at least one controlled compressor；Bridge arm blower controllable switch and at least one lower bridge arm blower controllable switch at least one controlled blower；The compressor drive circuit that bridge arm compressor controllable switch at least one and at least one lower bridge arm compressor controllable switch are driven；The fan drive circuit that bridge arm blower controllable switch at least one and at least one lower bridge arm blower controllable switch are driven；At least one first sampling resistor being connected at least one in lower bridge arm compressor controllable switch；At least one second sampling resistor being connected at least one in lower bridge arm blower controllable switch reduces costs to improve the integrated level of intelligent power module, reliability, reduces volume.
Description
Technical field
This application involves technical field of electric appliances, in particular to a kind of intelligent power module and a kind of electric appliance.
Background technique
Intelligent power module, i.e. IPM (Intelligent Power Module) are a kind of by power electronics and integrated electricity
The power drive class product that road technique combines.Device for power switching and high-voltage driving circuit are integrated in one by intelligent power module
It rises, and interior keeps the fault detection circuits such as overvoltage, overcurrent and overheat.On the one hand intelligent power module receives the control of MCU
Signal, driving subsequent conditioning circuit work, on the other hand sends the state detection signal of system back to MCU.Compared with traditional discrete scheme,
Intelligent power module wins increasing market with advantages such as its high integration, high reliability, is particularly suitable for driving motor
Frequency converter and various inverters, be frequency control, metallurgical machinery, electric propulsion, servo-drive, a kind of reason of frequency-conversion domestic electric appliances
Think power electronic devices.
IPM is widely applied in convertible frequency air-conditioner, and current convertible frequency air-conditioner includes: blower, compressor contracting machine and PFC
(Power Factor Correction, PFC), this three are driven by three discrete IPM, for example, such as Figure 1A
With shown in Figure 1B, wherein IPM1 is the IPM for controlling compressor in Figure 1A, and IPM2 be the IPM of control blower in Figure 1B.It leads as a result,
The automatically controlled cost of manufacture of cause air-conditioning is high, reliability is low, circuit system wiring difficulty is also larger.With convertible frequency air-conditioner dosage not
Disconnected to increase, the case of convertible frequency air-conditioner failure increases with it, and has 50% or more convertible frequency air-conditioner failure to appear in existing driving system
On system；In addition, convertible frequency air-conditioner is higher relative to the price of fixed frequency air conditioner, reduce the manufacturing cost of convertible frequency air-conditioner drive system also at
For important topic.
Therefore, the integrated level of IPM how is improved, to accelerate engineering design, reduce the board space occupied, meets household
Demand of the electric appliance market to the thermal efficiency, reliability and small board space is the following problem to be solved.
Summary of the invention
The embodiment of the present application is driven compressor drive circuit, blower by providing a kind of electric appliance and intelligent power module
Circuit, rectifier bridge, pfc circuit, the sampling resistor of fan drive circuit, compressor drive circuit sampling resistor be integrated in one
In module, greatly reduce the wiring difficulty of air conditioner electric control, sufficiently raising system reliability, and have it is simple and reasonable,
Flexible operation, low manufacture cost, high reliablity, feature applied widely.
The embodiment of the present application provides a kind of intelligent power module, comprising: rectifier bridge；The power being connected with the rectifier bridge
Factor correcting pfc circuit；Bridge arm compressor controllable switch and at least one lower bridge arm compressor controllable switch at least one, are used
It is controlled in the compressor to the air conditioner；Bridge arm blower controllable switch and at least one lower bridge arm blower at least one
Controllable switch is controlled for the blower to the air conditioner；Compressor drive circuit, the driving circuit and it is described at least
One upper bridge arm compressor controllable switch is connected at least one lower bridge arm compressor controllable switch, be used for it is described at least one
Upper bridge arm compressor controllable switch and at least one lower bridge arm compressor controllable switch are driven；Fan drive circuit, it is described
Fan drive circuit is connected with the bridge arm blower controllable switch at least one and at least one lower bridge arm blower controllable switch,
For being driven to the bridge arm blower controllable switch at least one and at least one lower bridge arm blower controllable switch；And
At least one first sampling resistor being connected at least one in the lower bridge arm compressor controllable switch；With the lower bridge arm wind
At least one second sampling resistor of at least one connected in machine controllable switch.
In addition, can also have following additional technology special according to the intelligent power module that the above embodiments of the present application propose
Sign:
In one embodiment of the application, wherein bridge arm compressor controllable switch includes: bridge on first at least one
Arm compressor controllable switch, bridge arm compressor controllable switch in bridge arm compressor controllable switch and third on second；At least one
Lower bridge arm compressor controllable switch include: the first lower bridge arm compressor controllable switch, the second lower bridge arm compressor controllable switch and
Third lower bridge arm compressor controllable switch；On at least one bridge arm blower controllable switch include: on first bridge arm blower controllably open
It closes, bridge arm blower controllable switch in bridge arm blower controllable switch and third on second；At least one lower bridge arm blower controllable switch
It include: the first lower bridge arm blower controllable switch, the second lower bridge arm blower controllable switch and third lower bridge arm blower controllable switch.
In one embodiment of the application, above-mentioned intelligent power module, further includes: with it is described at least one first adopt
The first connected over-current detection module of sample resistance；The second over-current detection mould being connected at least one described second sampling resistor
Block；The protective module being connected with the first over-current detection module and the second over-current detection module, the protective module are used
It is protected in the compressor drive circuit and the fan drive circuit.
In one embodiment of the application, above-mentioned intelligent power module, further includes: be arranged in the intelligent power mould
Temperature sensor inside block；The overheat protector module being connected with the temperature sensor, wherein the overheat protector module and
The protective module is connected.
In one embodiment of the application, above-mentioned intelligent power module, further includes: under-voltage protective module, it is described to owe
Pressure protective module is connected with the protective module.
In one embodiment of the application, first sampling resistor is one, with the first lower bridge arm compressor
Controllable switch, the second lower bridge arm compressor controllable switch, one in third lower bridge arm compressor controllable switch be connected, alternatively,
First sampling resistor is three, and three first sampling resistors are controllably opened with the first lower bridge arm compressor respectively
Pass, the second lower bridge arm compressor controllable switch, third lower bridge arm compressor controllable switch are connected.
In one embodiment of the application, second sampling resistor is one, can with the first lower bridge arm blower
Control switch, one in the second lower bridge arm blower controllable switch, third lower bridge arm blower controllable switch it is connected, alternatively, described the
Two sampling resistors are three, and three second sampling resistors are respectively and under the first lower bridge arm blower controllable switch, second
Bridge arm blower controllable switch, third lower bridge arm blower controllable switch are connected.
Present invention also provides a kind of electric appliances comprising above-mentioned intelligent power module.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1, automatically controlled wiring difficulty is reduced, sufficiently raising system reliability.
2, integrated level, the reliability for improving intelligent power module, reduce costs, reduce volume.
3, has the characteristics that simple and reasonable, flexible operation, low manufacture cost, high reliablity, applied widely.
Detailed description of the invention
The application is above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, in which:
Figure 1A and Figure 1B is a kind of circuit diagram of intelligent power module in the related technology；
Fig. 2 is the circuit diagram of the intelligent power module of the embodiment of the present application one；
Fig. 3 is the circuit diagram of the intelligent power module of the embodiment of the present application one；
Fig. 4 is the circuit diagram of the intelligent power module of the embodiment of the present application one.
Specific embodiment
In order to solve in the prior art, blower and compressor are driven by discrete IPM respectively, lead to electric-controlled plate cost of manufacture
Problem high, reliability is low, circuit system wiring difficulty is big, by compressor drive circuit, fan drive circuit, rectifier bridge, PFC
Circuit, the sampling resistor of fan drive circuit, compressor drive circuit sampling resistor be integrated in a module, greatly reduce
Automatically controlled wiring difficulty, sufficiently raising system reliability, and have simple and reasonable, flexible operation, low manufacture cost,
High reliablity, feature applied widely.
In order to better understand the above technical scheme, the exemplary reality of the disclosure is more fully described below with reference to accompanying drawings
Apply example.Although showing the exemplary embodiment of the disclosure in attached drawing, it being understood, however, that may be realized in various forms this public affairs
It opens and should not be limited by the embodiments set forth herein.It is to be able to thoroughly understand this on the contrary, providing these embodiments
It is open, and the scope of the present disclosure can be fully disclosed to those skilled in the art.
The intelligent power module and electric appliance of the embodiment of the present application described with reference to the accompanying drawing.
Embodiment one
Fig. 2 and Fig. 3 is the circuit diagram of the intelligent power module of the embodiment of the present application one.In embodiments herein
In, above-mentioned electric appliance can be for air conditioner, washing machine, refrigerator, electromagnetic oven etc., and before intelligent power module therein may be implemented
State function possessed by intelligent power module described in part.It is illustrated by taking air conditioner as an example below.
As shown in Fig. 2, the intelligent power module of the embodiment of the present application, it may include: rectifier bridge D, the function being connected with rectifier bridge D
Rate factor correcting pfc circuit 100, bridge arm compressor controllable switch and at least one lower bridge arm compressor are controllably opened at least one
It closes, bridge arm blower controllable switch and at least one lower bridge arm blower controllable switch at least one, compressor drive circuit 200,
Fan drive circuit 300, at least one first sampling resistor being connected at least one in lower bridge arm compressor controllable switch and
At least one second sampling resistor being connected at least one in lower bridge arm blower controllable switch.
Wherein, at least one bridge arm compressor controllable switch and at least one lower bridge arm compressor controllable switch for pair
The compressor of air conditioner is controlled.Bridge arm blower controllable switch and at least one lower bridge arm blower controllable switch at least one
It is controlled for the blower to air conditioner.Compressor drive circuit 200 and at least one on bridge arm compressor controllable switch and
At least one lower bridge arm compressor controllable switch is connected, for bridge arm compressor controllable switch at least one and at least one
Lower bridge arm compressor controllable switch is driven.Fan drive circuit 300 and bridge arm blower controllable switch and extremely at least one
A few lower bridge arm blower controllable switch is connected, for bridge arm blower controllable switch at least one and at least one lower bridge arm
Blower controllable switch is driven.
According to one embodiment of the application, bridge arm compressor controllable switch includes: bridge arm pressure on first at least one
Contracting machine controllable switch IGBT1, bridge arm compressor controllable switch in bridge arm compressor controllable switch IGBT2 and third on second
IGBT3；At least one lower bridge arm compressor controllable switch includes: the first lower bridge arm compressor controllable switch IGBT4, the second lower bridge
Arm compressor controllable switch IGBT5 and third lower bridge arm compressor controllable switch IGBT6；Bridge arm blower is controllably opened at least one
Pass includes: bridge arm blower controllable switch IGBT7 on first, bridge arm wind in bridge arm blower controllable switch IGBT8 and third on second
Machine controllable switch IGBT9；At least one lower bridge arm blower controllable switch include: the first lower bridge arm blower controllable switch IGBT10,
Second lower bridge arm blower controllable switch IGBT11 and third lower bridge arm blower controllable switch IGBT12.
Referring to figs. 2 and 3, two ports AC are rectifier bridge D AC input mouth, and PFCIN is PFC logic input signal
Input port, HIN1 2,3 is bridge arm compressor controllable switch IGBT1 on first, bridge arm compressor controllable switch on second
The logic input signal input terminal of bridge arm compressor controllable switch IGBT3 on IGBT2, third, LIN1,2,3 be the first lower bridge arm
Compressor controllable switch IGBT4, the second lower bridge arm compressor controllable switch IGBT5, third lower bridge arm compressor controllable switch
The logic input signal input terminal of IGBT6, HIN1 2,3 is bridge arm blower controllable switch IGBT7 on first, bridge arm wind on second
The logic input signal input terminal of bridge arm blower controllable switch IGBT9 on machine controllable switch IGBT8, third, LIN1,2,3 be
One lower bridge arm blower controllable switch IGBT10, the second lower bridge arm blower controllable switch IGBT11, third lower bridge arm blower are controllably opened
The logic input signal input terminal of IGBT12 is closed, P3 is 100 busbar voltage of pfc circuit, and-P3 is negative for 100 busbar voltage of pfc circuit
End, P1 are compressor DC bus-bar voltage, and U1, V1, W1 is compressor U, and V, W phase output terminal ,-U1 ,-V1 ,-W1 is U, V, W phase
First lower bridge arm compressor controllable switch IGBT4, the second lower bridge arm compressor controllable switch IGBT5, third lower bridge arm compressor
The emitter output end of controllable switch IGBT6, GND1 be compressor IPM ground terminal, P2 be blower DC bus-bar voltage, U2,
V2, W2 be compressor U, V, W phase output terminal ,-U2 ,-V2 ,-W2 be U, V, W phase the first lower bridge arm blower controllable switch IGBT10,
The emitter output end of second lower bridge arm blower controllable switch IGBT11, third lower bridge arm blower controllable switch IGBT12, GND2
For the ground terminal of compressor IPM.IGBT13 is pfc circuit switching tube, and R16 is PFC grid resistance, and resistance R1,2,3,4,5,6 are
The corresponding IGBT grid resistance of compressor, resistance R8,9,10,11,12,13 be the corresponding IGBT grid resistance of blower.
It should be noted that HIN1,2,3 indicate HIN1, HIN2, HIN3, LIN1,2, and 3 indicate in above-described embodiment
LIN1, LIN2, LIN3, HIN1,2,3 indicate HIN1, HIN2, HIN3, LIN1,2,3 indicate LIN1, LIN2, LIN3, R1,2,3,
4,5,6 indicate R1, R2, R3, R4, R5, R6, R8,9, and 10,11,12,13 indicate, R8, R9, R10, R11, R12, R13.For side
Just it describes, is marked in figure 2 and figure 3 with abbreviated form.Wherein, the first sampling resistor R7, R8, R9 indicate with R7,8,9, the
Two sampling resistor R14, R19, R20 R14,19,20 indicate, for the convenience of description, in the following embodiments, bridge arm pressure on first
Contracting machine controllable switch IGBT1, bridge arm compressor controllable switch IGBT2 on second, bridge arm compressor controllable switch IGBT3 in third
Indicated with IGBT1,2,3, the first lower bridge arm compressor controllable switch IGBT4, the second lower bridge arm compressor controllable switch IGBT5,
Third lower bridge arm compressor controllable switch IGBT6 IGBT4,5,6 indicate, bridge arm blower controllable switch IGBT7, second on first
Bridge arm blower controllable switch IGBT9 IGBT7 on upper bridge arm blower controllable switch IGBT8, third, 8,9 indicate, the first lower bridge arm
Blower controllable switch IGBT10, the second lower bridge arm blower controllable switch IGBT11, third lower bridge arm blower controllable switch IGBT12
It is indicated with IGBT10,11,12；First sampling resistor is all made of R7, and 8,9 are indicated, and the second sampling resistor is all made of R14, and 19,
20 are indicated.
In one embodiment of the application, as shown in Figures 2 and 3, the switch sections of pfc circuit 100 are arranged in intelligence
Among power module.Wherein, pfc circuit 100 may include IGBT13, diode D1, FRD13, capacitor C1 and inductance L1, switch portion
Point can include: IGBT13, diode D1 and FRD13.The port PFCIN receives MCU and is transmitted through the control signal come, is pfc circuit
Signal input port, the port PFCIN receive the signal that MCU is sended over, and handle by compressor drive circuit 200, from PFCO
Port output, controls the switch state of IGBT13.
Referring to Fig. 2 and Fig. 3, intelligent power mould may also include the third sampling resistor R15 being connected with pfc circuit 100, sample
Resistance R15 value can be milliohm rank resistance, for example, can be 10m Ω.Third sampling resistor R15 is that the electric current of pfc circuit is adopted
Collect resistance.
In one embodiment of application, the first sampling resistor can be one, controllably open with the first lower bridge arm compressor
One in pass, the second lower bridge arm compressor controllable switch, third lower bridge arm compressor controllable switch is connected, alternatively, first adopts
Sample resistance can be three, three the first sampling resistors respectively with the first lower bridge arm compressor controllable switch, the second lower bridge arm pressure
Contracting machine controllable switch, third lower bridge arm compressor controllable switch are connected.
In one embodiment of application, the second sampling resistor can be one, with the first lower bridge arm blower controllable switch,
One in second lower bridge arm blower controllable switch, third lower bridge arm blower controllable switch is connected, alternatively, the second sampling resistor can
Think three, three the second sampling resistors respectively with the first lower bridge arm blower controllable switch, the second lower bridge arm blower controllable switch,
Third lower bridge arm blower controllable switch is connected.
Specifically, as shown in Fig. 2, sampling resistor R7, R17, R18 are respectively with first when the first sampling resistor is three
Lower bridge arm compressor controllable switch IGBT4, the second lower bridge arm compressor controllable switch IGBT5, third lower bridge arm compressor are controllable
Switch IGBT6 is connected, that is, three the first sampling resistors are connected with port-U1 ,-V1 and-W1 respectively ,-U1 ,-V1 and-W1 difference
It is compressed with the first lower bridge arm compressor controllable switch IGBT4, the second lower bridge arm compressor controllable switch IGBT5, third lower bridge arm
The emitter of machine controllable switch IGBT6 is connected, and flows through under the first lower bridge arm compressor controllable switch IGBT4, second for acquiring
The electric current of bridge arm compressor controllable switch IGBT5, third lower bridge arm compressor controllable switch IGBT6.Similarly, when the second sampling
When resistance is three, the second sampling resistor R14, R19, R20 is respectively and under the first lower bridge arm blower controllable switch IGBT10, second
Bridge arm blower controllable switch IGBT11, third lower bridge arm blower controllable switch IGBT12 are connected, that is, three the second sampling resistors point
It is not connected with port-U2 ,-V2 and-W2 ,-U2 ,-V2 and-W2 are connected respectively at the emitter of IGBT10, IGBT11, IGBT12,
It is flowed through under the first lower bridge arm blower controllable switch IGBT10, the second lower bridge arm blower controllable switch IGBT11, third for acquiring
The electric current of bridge arm blower controllable switch IGBT12.
As shown in figure 3, as the first sampling resistor R7 and the first lower bridge arm compressor controllable switch IGBT4, the second lower bridge arm
One in compressor controllable switch IGBT5, third lower bridge arm compressor controllable switch IGBT6 it is connected when, for example, first sampling
Resistance R7 is connected with third lower bridge arm compressor controllable switch IGBT6, flows through third lower bridge arm compressor for acquisition and controllably opens
Close the electric current of IGBT6.Similarly, when second acquires resistance R14 and the first lower bridge arm blower controllable switch IGBT10, the second lower bridge
One in arm blower controllable switch IGBT11, third lower bridge arm blower controllable switch IGBT12 it is connected when, for example, second acquisition
Resistance R14 is connected with third lower bridge arm blower controllable switch IGBT12, flows through third lower bridge arm blower controllable switch for acquiring
The electric current of IGBT12.
Wherein, the first sampling resistor R7 is milliohm rank resistance, for example, can be 10m Ω；Second sampling resistor R14 value
It also is milliohm rank resistance, for example, can be 800 Ω.
By by compressor of air conditioner IPM, blower IPM and pfc circuit, compressor drive circuit, fan drive circuit, first
Sampling resistor and the second sampling resistor are arranged among intelligent power module, and integrated level with higher reduces air conditioner electric control
Wiring difficulty, substantially increase system reliability, have simple and reasonable, flexible operation, low manufacture cost, reliability
Feature high, applied widely.
Specifically, the HIN1 of compressor drive circuit 200,2,3 ports receive MCU and are transmitted through the control signal come, are first
Upper bridge arm compressor controllable switch IGBT1, bridge arm compressor controllable switch IGBT2 on second, bridge arm compressor is controllable in third
The driving signal input mouth of switch IGBT3；LIN1,2,3 reception MCU are transmitted through the control signal come, compress for the first lower bridge arm
Machine controllable switch IGBT4, the second lower bridge arm compressor controllable switch IGBT5, third lower bridge arm compressor controllable switch IGBT6
Driving signal input mouth；From HIN1, the signal of 2,3 inputs is handled by compressor drive circuit 200, from HO1,2,3 ports
Output, by grid resistance R1,2,3, reach bridge arm compressor controllable switch IGBT1 on first, bridge arm compressor can on second
Bridge arm compressor controllable switch IGBT3 on control switch IGBT2, third, controls its switch state；It is inputted from the port LIN1,2,3
Signal is handled by compressor drive circuit 200, from LO1, the output of 2,3 ports, and by grid resistance R4,5,6, it reaches under first
Bridge arm compressor controllable switch IGBT4, the second lower bridge arm compressor controllable switch IGBT5, third lower bridge arm compressor are controllably opened
IGBT6 is closed, its switch state is controlled；Bridge arm compressor controllable switch on first, bridge arm compressor controllable switch, third on second
Upper bridge arm compressor controllable switch and the first lower bridge arm compressor controllable switch, the second lower bridge arm compressor controllable switch, third
The synergistic effect of lower bridge arm compressor controllable switch, to achieve the purpose that control compressor.
Similarly, the HIN4 of fan drive circuit 300,5,6 ports receive MCU and are transmitted through the control signal come, are on first
Bridge arm blower controllable switch IGBT7, bridge arm blower controllable switch IGBT8 on second, bridge arm blower controllable switch IGBT9 in third
Driving signal input mouth；LIN4,5,6 reception MCU are transmitted through the control signal come, are the first lower bridge arm blower controllable switch
IGBT10, the second lower bridge arm blower controllable switch IGBT11, the driving signal of third lower bridge arm blower controllable switch IGBT12 are defeated
Inbound port；From HIN4, the signal of 5,6 inputs is handled by fan drive circuit 300, from HO4,5,6 ports output, by grid
Resistance R8,9,10, reach bridge arm blower controllable switch IGBT7 on first, bridge arm blower controllable switch IGBT8, third on second
Upper bridge arm blower controllable switch IGBT9, controls its switch state；The signal inputted from the port LIN4,5,6 is by blower driving electricity
Road 300 is handled, from LO4, the output of 5,6 ports, and by grid resistance R11,12,13, reach the first lower bridge arm blower controllable switch
IGBT10, the second lower bridge arm blower controllable switch IGBT11, third lower bridge arm blower controllable switch IGBT12 control it and switch shape
State；Bridge arm blower controllable switch on first, bridge arm blower controllable switch on second, bridge arm blower controllable switch and first in third
The synergistic effect of lower bridge arm blower controllable switch, the second lower bridge arm blower controllable switch, third lower bridge arm blower controllable switch, from
And achieve the purpose that control blower.
Further, as shown in figure 4, above-mentioned intelligent power module, further includes: at least one the first sampling resistor phase
The first over-current detection module 400 even, the second over-current detection module 500 being connected at least one second sampling resistor and the
The protective module 600 that one over-current detection module 400 is connected with the second over-current detection module 500, protective module 600 are used for compression
Drive circuit 200 and fan drive circuit 300 are protected.
With continued reference to Fig. 4, in one embodiment of the application, above-mentioned intelligent power module further include: be arranged in intelligence
It can temperature sensor 700 inside power module, the overheat protector module 800 that is connected with temperature sensor 700, wherein excess temperature
Protective module 800 is connected with protective module 600.
Further, with continued reference to Fig. 4, in one embodiment of the application, above-mentioned intelligent power module further include:
Under-voltage protective module 900, under-voltage protective module 900 are connected with protective module 600.
Specifically, by taking the first sampling resistor and the second sampling resistor are one as an example, as shown in figure 4, the first overcurrent is examined
It surveys module 400 and the second over-current detection module 500 and is used to detect temperature signal for detecting over-current signal, temperature sensor 700,
Overheat protector module 800 is for handling excess temperature signal, and under-voltage protective module 900 is for handling the under-voltage signal of driving voltage.Overcurrent,
After mild under-voltage signal is crossed by the processing of protective module 600, final output controls signal, to control fan drive circuit and compression
Drive circuit, to control the working condition of controllable switch (switching tube).
Technical solution in above-mentioned the embodiment of the present application, at least have the following technical effects or advantages:
1, the wiring difficulty of air conditioner electric control is reduced, sufficiently raising system reliability.
2, integrated level, the reliability for improving intelligent power module, reduce costs, reduce volume.
3, has the characteristics that simple and reasonable, flexible operation, low manufacture cost, high reliablity, applied widely.
In order to realize above-described embodiment, the application also proposes a kind of electric appliance comprising above-mentioned intelligent power module.
The electric appliance of the embodiment of the present application can be improved reliability of operation by above-mentioned intelligent power module.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
It should be noted that in the claims, any reference symbol between parentheses should not be configured to power
The limitation that benefit requires.Word "comprising" does not exclude the presence of component or step not listed in the claims.Before component
Word "a" or "an" does not exclude the presence of multiple such components.The application can be by means of including several different components
It hardware and is realized by means of properly programmed computer.In the unit claims listing several devices, these are filled
Several in setting, which can be, to be embodied by the same item of hardware.The use of word first, second, and third is not
Indicate any sequence.These words can be construed to title.
Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out various modification and variations without departing from essence of the invention to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (8)
1. a kind of intelligent power module characterized by comprising
Rectifier bridge；
The PFC pfc circuit being connected with the rectifier bridge；
Bridge arm compressor controllable switch and at least one lower bridge arm compressor controllable switch at least one, for the air-conditioning
The compressor of device is controlled；
Bridge arm blower controllable switch and at least one lower bridge arm blower controllable switch at least one, for the air conditioner
Blower is controlled；
Compressor drive circuit, under the driving circuit and the bridge arm compressor controllable switch and at least one at least one
Bridge arm compressor controllable switch is connected, for described bridge arm compressor controllable switch and at least one lower bridge arm at least one
Compressor controllable switch is driven；
Fan drive circuit, under the fan drive circuit and the bridge arm blower controllable switch and at least one at least one
Bridge arm blower controllable switch is connected, for described bridge arm blower controllable switch and at least one lower bridge arm blower at least one
Controllable switch is driven；And
At least one first sampling resistor being connected at least one in the lower bridge arm compressor controllable switch；
At least one second sampling resistor being connected at least one in the lower bridge arm blower controllable switch.
2. intelligent power module as described in claim 1, which is characterized in that wherein,
The bridge arm compressor controllable switch at least one includes: bridge arm compressor controllable switch on first, bridge arm on second
Bridge arm compressor controllable switch on compressor controllable switch and third；
At least one described lower bridge arm compressor controllable switch includes: the first lower bridge arm compressor controllable switch, the second lower bridge arm
Compressor controllable switch and third lower bridge arm compressor controllable switch；
The bridge arm blower controllable switch at least one includes: bridge arm blower controllable switch on first, bridge arm blower on second
Bridge arm blower controllable switch on controllable switch and third；
At least one described lower bridge arm blower controllable switch includes: the first lower bridge arm blower controllable switch, the second lower bridge arm blower
Controllable switch and third lower bridge arm blower controllable switch.
3. intelligent power module as described in claim 1, which is characterized in that further include:
The first over-current detection module being connected at least one described first sampling resistor；
The second over-current detection module being connected at least one described second sampling resistor；
The protective module being connected with the first over-current detection module and the second over-current detection module, the protective module are used
It is protected in the compressor drive circuit and the fan drive circuit.
4. intelligent power module as described in claim 1, which is characterized in that further include: it is arranged in the intelligent power module
Internal temperature sensor；
The overheat protector module being connected with the temperature sensor, wherein the overheat protector module and the protective module phase
Even.
5. intelligent power module as claimed in claim 4, which is characterized in that further include:
Under-voltage protective module, the under-voltage protective module are connected with the protective module.
6. intelligent power module as claimed in claim 2, which is characterized in that first sampling resistor is one, and described
First lower bridge arm compressor controllable switch, the second lower bridge arm compressor controllable switch, in third lower bridge arm compressor controllable switch
One be connected, alternatively, first sampling resistor is three, three first sampling resistors respectively with the described first lower bridge
Arm compressor controllable switch, the second lower bridge arm compressor controllable switch, third lower bridge arm compressor controllable switch are connected.
7. intelligent power module as claimed in claim 2, which is characterized in that second sampling resistor is one, and described
First lower bridge arm blower controllable switch, the second lower bridge arm blower controllable switch, one in third lower bridge arm blower controllable switch
Be connected, alternatively, second sampling resistor be three, three second sampling resistors respectively with the first lower bridge arm blower
Controllable switch, the second lower bridge arm blower controllable switch, third lower bridge arm blower controllable switch are connected.
8. a kind of electric appliance, which is characterized in that including such as described in any item intelligent power module of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287319.1A CN109194243A (en) | 2018-10-31 | 2018-10-31 | Electric appliance and intelligent power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287319.1A CN109194243A (en) | 2018-10-31 | 2018-10-31 | Electric appliance and intelligent power module |
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| Publication Number | Publication Date |
|---|---|
| CN109194243A true CN109194243A (en) | 2019-01-11 |
Family
ID=64941083
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811287319.1A Pending CN109194243A (en) | 2018-10-31 | 2018-10-31 | Electric appliance and intelligent power module |
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