CN108418403A - Intelligent power module and air conditioner - Google Patents
Intelligent power module and air conditioner Download PDFInfo
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- CN108418403A CN108418403A CN201810264007.2A CN201810264007A CN108418403A CN 108418403 A CN108418403 A CN 108418403A CN 201810264007 A CN201810264007 A CN 201810264007A CN 108418403 A CN108418403 A CN 108418403A
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- pressure side
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- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/38—Means for preventing simultaneous conduction of switches
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/38—Means for preventing simultaneous conduction of switches
- H02M1/385—Means for preventing simultaneous conduction of switches with means for correcting output voltage deviations introduced by the dead time
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The present invention discloses a kind of intelligent power module and air conditioner, which includes that high-pressure side driving circuit, low pressure side drive circuit, dead zone generate interlock circuit, boostrap circuit；Boostrap circuit includes bootstrapping control unit, N metal-oxide-semiconductors and bootstrapping resistance, the electrode input end of bootstrapping control unit is connect with power positive end, the negative input of bootstrapping control unit is connect with power supply negative terminal, the first output end that first controlled end of control unit of booting generates interlock circuit with dead zone is connect, the second output terminal that second controlled end of control unit of booting generates interlock circuit with dead zone is connect, and the output end for control unit of booting is connect with the grid of N metal-oxide-semiconductors；The drain electrode of the source electrode and grid short circuit of N metal-oxide-semiconductors, N metal-oxide-semiconductors is connect with the first end of bootstrapping resistance；The second end of bootstrapping resistance is connect with high-pressure side output end.The problem of invention is solved the boostrap circuit formed using discrete device, is unfavorable for the layout of pcb board, increases automatically controlled plate suqare.
Description
Technical field
The present invention relates to electronic circuit technology field, more particularly to a kind of intelligent power module and air conditioner.
Background technology
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 is generally used on the electric-controlled plates of equipment such as driving wind turbine, compressor.Currently, intelligence
Driving chip in energy power module mostly uses greatly single supply power supply, and low-pressure side is directly powered using DC power supply VCC, and high pressure
Side is at floating state, is powered by the boostrap circuit of the discrete devices such as external diode, resistance and capacitance composition, to carry
The utilization rate of high power supply.
But the boostrap circuit of this discrete device composition makes the peripheral circuit of intelligent power module complicated, is unfavorable for
The layout for controlling pcb board, increases the area of electric-controlled plate, is easy limitation electrical equipment and develops towards the direction slightly changed；And it is intelligent
The boostrap circuit of power module and discrete device composition can not share same processing procedure, lead to the electricity using this intelligent power module
The production cost increases for device equipment.
Invention content
The main object of the present invention is a kind of intelligent power module of proposition and air conditioner, it is intended to reduce the cloth of control pcb board
The complexity of office, reduces the area of electric-controlled plate, reduces the production cost of the electrical equipment of intelligent power module.
To achieve the above object, the present invention proposes a kind of intelligent power module, and the intelligent power module includes high-pressure side
Driving circuit, low pressure side drive circuit, dead zone generate interlock circuit, boostrap circuit, high-side signal input terminal, low-side signal
Input terminal, power positive end, power supply negative terminal and high-pressure side output end；The input terminal of the high-pressure side driving circuit and the high-pressure side
Signal input part connects, and the first input end that the output end of the high-pressure side driving circuit generates interlock circuit with the dead zone connects
It connects；The input terminal of the low pressure side drive circuit is connect with the low-side signal input terminal；The low pressure side drive circuit
The second input terminal that output end generates interlock circuit with the dead zone is connect；Wherein,
The boostrap circuit includes bootstrapping control unit, N-MOS pipes and bootstrapping resistance, the anode of the bootstrapping control unit
Input terminal is connect with the power positive end, and the negative input of the bootstrapping control unit is connect with the power supply negative terminal, described
The first output end that first controlled end of control unit of booting generates interlock circuit with the dead zone is connect, and the bootstrapping control is single
The second output terminal that second controlled end of member generates interlock circuit with the dead zone is connect, the output end of the bootstrapping control unit
It is connect with the grid of the N-MOS pipes；The source electrode and grid short circuit of the N-MOS pipes, the drain electrode of the N-MOS pipes with it is described from
Lift the first end connection of resistance；The second end of the bootstrapping resistance is connect with the high-pressure side output end.
Optionally, the bootstrapping control unit includes the first phase inverter, the second phase inverter, third phase inverter, the 4th reverse phase
Device, the 5th phase inverter, the first or logic door, the second or logic door and NAND Logic door, the input of first phase inverter
First controlled end at end and the bootstrapping control unit, the input terminal of first phase inverter and the of the bootstrapping control unit
One controlled end, the output end of first phase inverter and the first input end of the first or logic door and described second or non-
The first input end of logic gate connects；The input terminal of second phase inverter is the first controlled end of the bootstrapping control unit,
The output end of second phase inverter and the second input terminal and the second or logic door for addressing the first or logic door
The second input terminal interconnection；The input terminal of the output end of the first or logic door and the third phase inverter, third reverse phase
The output end of device is connect with the first input end of the NAND Logic door；The output end of the second or logic door and described the
The input terminal of four phase inverters connects；The output end of 4th phase inverter is connect with the second input terminal of the NAND Logic door；
The output end of the NAND Logic door is connect with the input terminal of the 5th phase inverter, and the output end of the 5th phase inverter is institute
State the output end of bootstrapping control unit.
Optionally, the high-pressure side driving circuit includes the first Schmitt trigger, the first filter unit, pulse generation list
Member, lever-shifter unit, high-pressure side logic unit and high-pressure side output unit, the input of the first Schmitt trigger
End is the input terminal of the high-pressure side driving circuit, the output end of the first Schmitt trigger and first filter unit
Input terminal connection；The first input end that the output end of first filter unit generates interlock circuit with the dead zone is connect；
The first output end that the controlled end of the impulse generating unit generates interlock circuit with the dead zone is connect, and the pulse generates single
The input terminal of member is connect with the power positive end, the output end of the impulse generating unit and the lever-shifter unit
Input terminal connects；The output end of the lever-shifter unit is connect with the first input end of the high-pressure side logic unit；
Second input terminal of the high-pressure side logic unit and the high-pressure side output end and the output end of the high-pressure side output unit
Interconnection；The output end of the high-pressure side logic unit is connect with the input terminal of the high-pressure side output unit.
Optionally, the intelligent power module further includes low-pressure side output end；The low pressure side drive circuit includes second
Schmitt trigger, the second filter unit, delay unit, low-pressure side output unit, the input of the first Schmitt trigger
End is the input terminal of the high-pressure side driving circuit, the output end of the second Schmitt trigger and second filter unit
Input terminal connection；The second input terminal that the output end of second filter unit generates interlock circuit with the dead zone is connect；
The second output terminal that the input terminal of the delay unit generates interlock circuit with the dead zone is connect, the output of the delay unit
End is connect with the low-pressure side output unit, and the output end of second delay unit is connect with the low-pressure side output end.
The present invention also proposes that a kind of intelligent power module, the intelligent power module include high-pressure side driving circuit, low pressure
Side drive circuit, dead zone are generating interlock circuit, boostrap circuit, high-side signal input terminal, low-side signal input terminal, power supply just
End, power supply negative terminal and high-pressure side output end；The input terminal of the high-pressure side driving circuit connects with the high-side signal input terminal
It connects, the first input end that the output end of the high-pressure side driving circuit generates interlock circuit with the dead zone is connect；The low pressure
The input terminal of side drive circuit is connect with the low-side signal input terminal；The output end of the low pressure side drive circuit with it is described
Dead zone generates the second input terminal connection of interlock circuit；Wherein,
The boostrap circuit includes bootstrapping control unit, P-MOS pipes and bootstrapping resistance, the anode of the bootstrapping control unit
Input terminal is connect with the power positive end, and the negative input of the bootstrapping control unit is connect with the power supply negative terminal, described
The first output end that first controlled end of control unit of booting generates interlock circuit with the dead zone is connect, and the bootstrapping control is single
The second output terminal that second controlled end of member generates interlock circuit with the dead zone is connect, the output end of the bootstrapping control unit
It is connect with the drain electrode of the P-MOS pipes；The grid and source shorted of the P-MOS pipes, and after short circuit with the bootstrapping resistance
First end connects；The second end of the bootstrapping resistance is connect with the high-pressure side output end.
Optionally, the bootstrapping control unit includes the first phase inverter, the second phase inverter, third phase inverter, the 4th reverse phase
Device, the 5th phase inverter, the first or logic door, the second or logic door and NAND Logic door, the input of first phase inverter
First controlled end at end and the bootstrapping control unit, the output end of first phase inverter and the first or logic door
First input end connects；The input terminal of second phase inverter be it is described bootstrapping control unit the first controlled end, described second
The output end of phase inverter is connect with the second input terminal of the first or logic door；The output end of the first or logic door
With the input terminal of the third phase inverter, the output end of third phase inverter and the first input end of the second or logic door connect
It connects；The output end of the second or logic door is connect with the input terminal of the 4th phase inverter；4th phase inverter it is defeated
Outlet is connect with the second input terminal of the second or logic door；The output end of the second or logic door and the described 5th
The input terminal of phase inverter connects, and the output end of the 5th phase inverter is the output end of the bootstrapping control unit.
Optionally, the high-pressure side driving circuit includes the first Schmitt trigger, the first filter unit, pulse generation list
The input terminal of member, lever-shifter unit and high-pressure side output unit, the first Schmitt trigger is the high-pressure side
The input terminal of driving circuit, the output end of the first Schmitt trigger are connect with the input terminal of first filter unit；
The first input end that the output end of first filter unit generates interlock circuit with the dead zone is connect；The pulse generates single
The first output end that the controlled end of member generates interlock circuit with the dead zone is connect, the input terminal of the impulse generating unit and institute
Power positive end connection is stated, the output end of the impulse generating unit is connect with the input terminal of the lever-shifter unit；Institute
The output end for stating lever-shifter unit is connect with the first input end of the high-pressure side logic unit；The high-pressure side logic
Second input terminal of unit is interconnected with the output end of the high-pressure side output end and the high-pressure side output unit；The high-pressure side
The output end of logic unit is connect with the input terminal of the high-pressure side output unit.
Optionally, the intelligent power module further includes low-pressure side output end；The low pressure side drive circuit includes second
Schmitt trigger, the second filter unit, delay unit, low-pressure side output unit, the input of the first Schmitt trigger
End is the input terminal of the high-pressure side driving circuit, the output end of the second Schmitt trigger and second filter unit
Input terminal connection；The second input terminal that the output end of second filter unit generates interlock circuit with the dead zone is connect；
The second output terminal that the input terminal of the delay unit generates interlock circuit with the dead zone is connect, the output of the delay unit
End is connect with the low-pressure side output unit, and the output end of second delay unit is connect with the low-pressure side output end.
The present invention also proposes a kind of air conditioner, and the air conditioner includes intelligent power module as described above, described
Intelligent power module includes high-pressure side driving circuit, low pressure side drive circuit, dead zone generation interlock circuit, boostrap circuit, high pressure
Side signal input part, low-side signal input terminal, power positive end, power supply negative terminal and high-pressure side output end；The high-pressure side driving
The input terminal of circuit is connect with the high-side signal input terminal, and the output end of the high-pressure side driving circuit is produced with the dead zone
The first input end connection of raw interlock circuit；The input terminal of the low pressure side drive circuit connects with the low-side signal input terminal
It connects；The second input terminal that the output end of the low pressure side drive circuit generates interlock circuit with the dead zone is connect；Wherein, described
Boostrap circuit include bootstrapping control unit, N-MOS pipe and bootstrapping resistance, it is described bootstrapping control unit electrode input end with it is described
Power positive end connects, and the negative input of the bootstrapping control unit is connect with the power supply negative terminal, the bootstrapping control unit
The first controlled end and the dead zone generate the first output end of interlock circuit and connect, the second of the control unit of booting is controlled
The second output terminal for generating interlock circuit with the dead zone is held to connect, the output end and the N-MOS of the bootstrapping control unit
The grid of pipe connects；The source electrode and grid short circuit of the N-MOS pipes, the drain electrode of the N-MOS pipes and the of the bootstrapping resistance
One end connects；The second end of the bootstrapping resistance is connect with the high-pressure side output end.
Intelligent power module of the present invention realizes one-way conduction characteristic using the high pressure N-MOS pipes of grid source short circuit, and by setting
Bootstrapping resistance and bootstrapping control unit composition boostrap circuit are set, in high-pressure side driving circuit driving power inversion bridge circuit
Upper bridge arm power tube MH shutdowns, when low pressure side drive circuit drives the conducting of lower bridge arm power tube, the output end for control unit of booting
High level signal, that is, VCC is exported, the drain voltage of N-MOS pipes drops to the public terminal voltage in N-MOS pipe grid source or less and the two
Pressure difference be more than N-MOS pipes conduction voltage drop, N-MOS pipes conducting, DC power supply by N-MOS manage and boot resistance to bootstrapping electricity
Capacity charge.And when upper bridge arm power tube is opened, and lower bridge arm power tube turns off, high side floating power supply is with high side floating ground voltage
Rise and rise, the output end for control unit of booting exports the low i.e. COM of high level signal.High side floating power supply voltage far more than
When direct current power source voltage makes N-MOS pipe drain voltages be increased over the public terminal voltage in grid source, the cut-off of N-MOS pipes, bootstrapping electricity
Hold and stop charging, and powers for high-pressure side driving circuit.The present invention in the manufacturing process of intelligent power module, by N-MOS pipe,
The boostrap circuit of bootstrap capacitor and bootstrapping control unit composition is integrated in intelligent power module, to realize and intelligent power mould
Block is wholely set.The small volume and integrated level of intelligent power module of the present invention are high, save the PCB of the boostrap circuit using periphery
Wiring is conducive to the layout for controlling pcb board, reduces the area of electric-controlled plate.And intelligent power module and discrete device group
At boostrap circuit share same processing procedure, the processing procedure of discrete component can be removed from, the electric appliance to reduce intelligent power module is set
Standby production cost.The present invention solves intelligent power module and makes intelligent power mould using the boostrap circuit of discrete device composition
The peripheral circuit of block is complicated, is unfavorable for controlling the layout of pcb board, increases the area of electric-controlled plate, is easy limitation electrical equipment towards light
The problem of direction of macro is developed.
Description of the drawings
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 technology 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 intelligent power module first embodiment of the present invention；
Fig. 2 is the electrical block diagram of intelligent power module first embodiment of the present invention；
Fig. 3 is the electrical block diagram of bootstrapping one embodiment of control unit in intelligent power module in Fig. 1 or Fig. 2.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | High-pressure side driving circuit | 220 | Second filter unit |
| 200 | Low pressure side drive circuit | 230 | Delay unit |
| 300 | Dead zone generates interlock circuit | 240 | Low-pressure side output unit |
| 400 | Boostrap circuit | 410 | Bootstrapping control unit |
| 500 | Power inverting bridge circuit | Q1 | N-MOS is managed |
| 110 | First Schmitt trigger | Q2 | P-MOS is managed |
| 120 | First filter unit | R1 | Bootstrapping resistance |
| 130 | Impulse generating unit | CB1 | Bootstrap capacitor |
| 140 | Lever-shifter unit | INV1~INV5 | First phase inverter |
| 150 | High-pressure side logic unit | NOR1 | First or logic door |
| 160 | High-pressure side output unit | NOR2 | Second or logic door |
| 210 | Second Schmitt trigger | NAND1 | NAND Logic door |
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 implementation mode
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 describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in the picture) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, it is somebody's turn to do " first ", " second " etc.
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.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, when the knot that conflicting or cannot achieve when will be understood that this technical solution occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection domain within.
The present invention proposes a kind of intelligent power module.
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.Wherein, multiple device for power switching are generally six,
Power inverting bridge circuit is formed, and based on the control of high-voltage driving circuit such as High pressure areas coefficient HVIC, with driving motor, compression
The loaded work pieces such as machine.On the one hand intelligent power module receives the control signal of the master controller MCU on control panel, drive follow-up electricity
Road works, and on the other hand sends the state detection signal of intelligent power module system back to master controller MCU.With traditional discrete scheme
It compares, intelligent power module wins increasing market with advantages such as its high integration, high reliability, is particularly suitable for driving
The frequency converter of motor and various inverters, be frequency control, metallurgical machinery, electric propulsion, servo-drive, frequency-conversion domestic electric appliances one
Kind desired power level electronic device.
Currently, the high drive integrated chip HVIC in intelligent power module mostly uses greatly single supply power supply, low-pressure side is straight
It connects and is powered using DC power supply, and high-pressure side is at floating state, therefore the big mode for mostly using floating power supply power supply is high pressure
Side drive circuit is powered, and there is the mode of common floating power supply power supply the power supply of bootstrap capacitor formula and charge pump type to power two kinds.
Bootstrap capacitor formula is powered by the boostrap circuit that the elements such as external diode, resistance and capacitance form, to improve power supply
Utilization rate.
For example, when the lower bridge arm power tube conducting of the half-bridge structure in power inverting bridge circuit, upper bridge arm power tube MH is closed
When disconnected, high side floating power supply declines with the decline of high side floating ground voltage, when high side floating power supply drops to DC power supply electricity
Below pressure and when the pressure difference of the two is more than the conduction voltage drop of bootstrap diode, DC power supply is by bootstrap diode to bootstrapping electricity
Appearance charges.When upper bridge arm power tube is opened, and lower bridge arm power tube turns off, high side floating power supply is with high side floating ground voltage
Rising and rise, high side floating power supply voltage is far more than direct current power source voltage, bootstrap diode cut-off, and bootstrap capacitor is high pressure
Lateral circuit is powered.
However, this boostrap circuit being made up of external diode, capacitance and resistance makes intelligent power module
Peripheral circuit is complicated, is unfavorable for controlling the layout of pcb board, increases the area of electric-controlled plate, is easy limitation electrical equipment towards slightization
Direction develop；And intelligent power module and the boostrap circuit of discrete device composition can not share same processing procedure, cause to apply
The production cost increases for the electrical equipment of this intelligent power module.
To solve the above-mentioned problems, referring to Fig.1, Fig. 1 shows the first preferred embodiment of the present invention, the of the present invention
In one embodiment, which includes high-pressure side driving circuit 100, low pressure side drive circuit 200, dead zone generation interlocking
Circuit 300, boostrap circuit 400, high-side signal input terminal HIN, low-side signal input terminal LIN, power positive end VCC, power supply
Negative terminal COM and high-side signal output end HO；The input terminal of the high-pressure side driving circuit 100 is inputted with the high-side signal
HIN connections, the output end of the high-pressure side driving circuit 100 is held to generate the first input end of interlock circuit 300 with the dead zone
Connection；The input terminal of the low pressure side drive circuit 200 is connect with the low-side signal input terminal LIN；The low-pressure side is driven
The second input terminal that the output end of dynamic circuit 200 generates interlock circuit 300 with the dead zone is connect；Wherein,
The boostrap circuit 400 includes bootstrapping control unit 410, N-MOS pipes Q1 and bootstrapping resistance R1, the bootstrapping control
The electrode input end of unit 410 is connect with the power positive end VCC, the negative input of the bootstrapping control unit 410 and institute
Power supply negative terminal COM connections are stated, the first controlled end BHIN of the bootstrapping control unit 410 generates interlock circuit with the dead zone
Second controlled end BLIN of 300 the first output end connection, the bootstrapping control unit 410 generates interlock circuit with the dead zone
The output end BO of 300 second output terminal connection, the bootstrapping control unit 410 is connect with the grid of the N-MOS pipes Q1；Institute
The source electrode and grid short circuit of N-MOS pipes Q1 are stated, the drain electrode of the N-MOS pipes Q1 is connect with the first end of the bootstrapping resistance R1；
The second end of the bootstrapping resistance R1 is connect with the high-side signal output end HO.
In the present embodiment, high-side signal input terminal HIN and low-side signal input terminal LIN connect with master controller respectively
It connects, and is exported respectively to the input terminal of high-pressure side driving circuit 100 and low-pressure side after receiving the control signal of master controller output
The input terminal of driving circuit 200.In order to improve the compactedness, reliability and intelligence of intelligent power module, complete system is realized
The intelligent power module of function, the present embodiment further includes the work(being made of bridge arm power tube on three-phase and three-phase lower bridge arm power tube
Rate inversion bridge circuit 500.High-pressure side driving circuit 100 includes three-phase high-voltage side driving unit, each phase high-pressure side driving unit
Output end connected through the upper bridge arm power tube of high-side signal output end HO and corresponding one.Low pressure side drive circuit 200
Including three-phase low-voltage side driving unit, the output end of each phase low-pressure side driving unit through high-side signal output end HO with it is right
The lower bridge arm power tube connection answered.
In the present embodiment, above-mentioned high-pressure side driving circuit 100 and low pressure side drive circuit 200 are integrated in HVIC,
When practical application, the three-phase high-voltage side driving unit of high-pressure side driving circuit 100 is integrated in high pressure integrated chip HVIC, low pressure
The three-phase low-voltage side drive circuit 200 of side drive circuit 200 is integrated in low pressure integrated chip LVIC or three-phase high-voltage side is driven
Each phase high-pressure side driving unit in moving cell corresponds to and the phase high-pressure side driving unit in the driving unit of three-phase low-voltage side
It is integrated in a HVIC, such as U phases high-pressure side driving unit is integrated in a HVIC with U phases high-pressure side driving unit, it is specific to be arranged
Mode can be different and different according to the inner structure mode of intelligent power module, are not limited herein.The present embodiment is with U phase high pressures
Side driving unit illustrates for being integrated in a HVIC with U phases high-pressure side driving unit composition half-bridge drive circuit.
Wherein, each pin of U phases HVIC is described as follows：
Low-pressure side power supply anode VCCs of the power positive end VCC of intelligent power module as U phases HVIC, VDD are generally
15V, the power supply negative terminal COM of intelligent power module correspond to bridge arm power tube in U phases as low-pressure side power supply negative terminal COM
High-pressure side power supply be since the access of DC bus-bar voltage forms high pressure, as DC bus-bar voltage is generally through the ends P
300V or so.High-pressure side floating power supply end VB and high-pressure side floating ground VS is respectively the power supply of U phases high-pressure side driving circuit 100
Anode and cathode, high-side signal output end HO are the output end of U phases higher-pressure region；LO is the output end of U phase low-pressure areas.U phases
The function of HVIC may be summarized to be：The logic input signal of the 0 of input terminal HIN or 5V is passed into high-pressure side output end high pressure respectively
The signal of side signal output end HO, LIN pass to low-pressure side output end LO respectively, and wherein high-side signal output end HO is VS or VS
Logic output signal, the LO of+15V are the logic output signals of 0 or 15V.
It is understood that each pin of V phases and W phases and U phases HVIC illustrate identical, U phases HVIC setting is specifically can refer to,
Details are not described herein again.
In the present embodiment, dead zone generates interlock circuit 300 by high-pressure side driving circuit 100 and low-pressure side driving single channel difference
After the two-way inversion signal of output carries out signal transformation, sinusoidal pulse width modulation signal of the output with certain dead time to high pressure
Side drive circuit 100 and low pressure side drive circuit 200, so that high-pressure side driving circuit 100 and the formation of low pressure side drive circuit 200
Interlocking.
In the present embodiment, N-MOS pipes Q1 is preferably realized using high pressure-resistant metal-oxide-semiconductor, the grid and source electrode of N-MOS pipes Q1
Short circuit realizes one-way conduction, and N-MOS pipes Q1 is equivalent to bootstrap diode at this time.N-MOS pipes Q1 is with bootstrapping control unit 410 and certainly
It lifts resistance R1 and forms boostrap circuit 400, and when control unit 410 of booting controls the Q1 conductings of N-MOS pipes, be with bootstrapping resistance R1
Bootstrap capacitor CB1 provides charge tunnel.
Specifically, when the signal of high-side signal input terminal HIN inputs is low level signal, low-side signal input terminal
When the signal of LIN inputs is high level signal, the signal of high-side signal output end HO outputs is low level signal, and low-pressure side is defeated
The signal of outlet LO outputs is high level signal, the upper bridge arm power tube MH shutdowns in power inverting bridge circuit 500, lower bridge arm work(
Rate pipe ML is open-minded.The first controlled end BHIN received signals of bootstrapping control unit 410 are low level signal, that is, earth signal at this time
COM, and the second controlled end BLIN received signals be high level signal, that is, DC power supply VCC when, at this time boot control unit 410
Output end BO output be high level signal, that is, VCC.It is turned off in upper bridge arm power tube MH, it is high when lower bridge arm power tube ML is opened
The voltage of pressure side floating power supply end VB declines with the decline of high side floating ground VS voltages.The electricity of N-MOS pipes Q1 grid source common end A
Press the signal that the output end BO with bootstrapping control unit 410 is exported identical, the drain electrode end B voltages of N-MOS pipes Q1 and high-pressure side are floating
Dynamic power end VB variations are consistent.When the pressure difference that B point voltages drop to A point voltages or less and the two is more than leading for N-MOS pipes Q1
When logical pressure drop, the Q1 conductings of N-MOS pipes, N-MOS pipes Q1 conductings and bootstrapping resistance R1 provide charge tunnel for bootstrap capacitor CB1, from
And give bootstrap capacitor CB1 chargings.
When the signal of high-side signal input terminal HIN input is high level signal, the LIN inputs of low-side signal input terminal
When signal is low level signal, the signal of high-side signal output end HO outputs is high level signal, and low-pressure side output end LO is defeated
The signal gone out is low level signal, and the upper bridge arm power tube MH in power inverting bridge circuit 500 is open-minded, and lower bridge arm power tube ML is closed
It is disconnected.The first controlled end BHIN received signals of bootstrapping control unit 410 are low level signal, that is, earth signal COM at this time, second
Controlled end BLIN received signals are low level signal, that is, earth signal COM, and the output end BO outputs for control unit 410 of booting are low
Level signal.It is open-minded in upper bridge arm power tube MH, when lower bridge arm power tube ML shutdown, the voltage of high-pressure side floating power supply end VB with
The rising of VS and rise, B point voltages rise and far more than power input VCC voltages, and B point voltages are higher than A point voltages, to control
N-MOS pipes Q1 cut-offs processed, bootstrap capacitor CB1 chargings stop, and power for high-pressure side driving circuit 100.
When dead zone generates 300 output interlocking signal of interlock circuit, namely the first controlled end BHIN of bootstrapping control unit 410
When being high level simultaneously with the second controlled end BLIN received signals, the output end BO output signals of bootstrapping control unit 410 are
Low level signal, capacitance is without charging at this time, to play a protective role to high-pressure side driving circuit 100.
Intelligent power module of the present invention realizes one-way conduction characteristic using the high pressure N-MOS pipes Q1 of grid source short circuit, and passes through
Setting bootstrapping resistance R1 and bootstrapping control unit 410 form boostrap circuit 400, in 100 driving power of high-pressure side driving circuit
Upper bridge arm power tube MH shutdowns in inversion bridge circuit 500, when low pressure side drive circuit 200 drives the conducting of lower bridge arm power tube,
The output end BO for control unit 410 of booting exports high level signal, that is, VCC, and the drain voltage of N-MOS pipes Q1 drops to N-MOS pipes
Below the public terminal voltage in Q1 grid source and when the pressure difference of the two is more than the conduction voltage drop of N-MOS pipes Q1, the Q1 conductings of N-MOS pipes, directly
It is charged to bootstrap capacitor CB1 by N-MOS pipes Q1 and bootstrapping resistance R1 in galvanic electricity source.And it is opened in upper bridge arm power tube, lower bridge arm
When power tube turns off, high side floating power supply rises with the rising of high side floating ground voltage, the output end for control unit 410 of booting
BO exports low high level signal, that is, COM, and high side floating power supply voltage makes N-MOS pipes Q1 drain electrode electricity far more than direct current power source voltage
When pressure is increased over the public terminal voltage in grid source, N-MOS pipes Q1 cut-offs, bootstrap capacitor CB1 stops charging, and is driven for high-pressure side
Circuit 100 is powered.The present invention is in the manufacturing process of intelligent power module, by N-MOS pipes Q1, bootstrap capacitor CB1 and bootstrapping
The boostrap circuit 400 that control unit 410 forms is integrated in intelligent power module, is integrally set with intelligent power module with realizing
It sets.The small volume and integrated level of intelligent power module of the present invention are high, save the PCB circuits of the boostrap circuit 400 using periphery
Wiring is conducive to the layout for controlling pcb board, reduces the area of electric-controlled plate.And intelligent power module and discrete device composition
Boostrap circuit 400 shares same processing procedure, can remove the processing procedure of discrete component from, to reduce the electrical equipment of intelligent power module
Production cost.The present invention solves intelligent power module using the boostrap circuit 400 of discrete device composition so that intelligent power
The peripheral circuit of module is complicated, is unfavorable for controlling the layout of pcb board, increases the area of electric-controlled plate, is easy limitation electrical equipment court
The problem of direction slightly changed is developed.
With reference to the particular circuit configurations that Fig. 3, Fig. 3 are bootstrapping 410 1 embodiment of control unit, further, the bootstrapping
Control unit 410 includes the first phase inverter INV1, the second phase inverter INV2, third phase inverter INV3, the 4th phase inverter INV4, the
Five phase inverter INV5, the first or logic door NOR1, the second or logic door NOR2 and NAND Logic door NAND1, described first
First controlled end BHIN of the input terminal of phase inverter INV1 and the bootstrapping control unit 410, the first phase inverter INV1's
First input of output end and the first input end and the second or logic door NOR2 of the first or logic door NOR1
End connection；The input terminal of the second phase inverter INV2 is the first controlled end BHIN of the bootstrapping control unit 410, described the
The output end of two phase inverter INV2 and the second input terminal and the second or logic for addressing the first or logic door NOR1
The second input terminal interconnection of door NOR2；The output end of the first or logic door NOR1 is defeated with the third phase inverter INV3's
Enter end, the output end of third phase inverter INV3 is connect with the first input end of the NAND Logic door NAND1；Described second or non-
The output end of logic gate NOR2 is connect with the input terminal of the 4th phase inverter INV4；The output end of the 4th phase inverter INV4
It is connect with the second input terminal of the NAND Logic door NAND1；The output end of the NAND Logic door NAND1 is anti-with the described 5th
The input terminal of phase device INV5 connects, and the output end of the 5th phase inverter INV5 is the output end of the bootstrapping control unit 410
BO。
In the present embodiment, the bootstrapping control unit 410 include five phase inverters (INV1, INV2, INV3, INV4, INV5),
Two nor gates (NOR1, NOR2) and a NAND gate NAND1, the signal of two input terminals input of bootstrapping control unit 410
It is denoted as BHIN and BLIN respectively, BHIN is that the output that dead zone generates the output of interlock circuit 300 to high-pressure side driving circuit 100 is believed
Number, BLIN is that dead zone generates the output of interlock circuit 300 to the output signal of high-pressure side driving circuit 100.And BHIN and BLIN
For square-wave signal, in BHIN be low level and BLIN is high level, and the signal of the output for control unit 410 of booting is high level
Signal, under other input conditions, for example, BHIN is high level and BLIN is low level or BHIN and BLIN is all high electricity
When putting down or being all low level, the signal that bootstrapping control unit 410 exports is low level.When the output of bootstrapping control unit 410
When signal is high level signal, the Q1 conductings of N-MOS pipes, DC power supply is by N-MOS pipes Q1 and bootstrapping resistance R1 to bootstrap capacitor
CB1 charges.When the signal for the output of control unit 410 of booting is low level, N-MOS pipes Q1 cut-offs, bootstrap capacitor CB1 stoppings are filled
Electricity, and power for high-pressure side driving circuit 100.In the present embodiment, bootstrapping control unit 410 for control N-MOS pipes Q1 conducting/
Cut-off, to control bootstrap capacitor CB1 bootstrap charge circuits/electric discharge.
Referring to Fig.1 or Fig. 2, further, the high-pressure side driving circuit 100 includes the first Schmitt trigger 110, the
One filter unit 120, impulse generating unit 130, lever-shifter unit 140, high-pressure side logic unit 150 and high-pressure side are defeated
Go out unit 160, the input terminal of the first Schmitt trigger 110 is the input terminal of the high-pressure side driving circuit 100, described
The output end of first Schmitt trigger 110 is connect with the input terminal of first filter unit 120；First filter unit
The first input end that 120 output end generates interlock circuit 300 with the dead zone is connect；The impulse generating unit 130 by
The first output end that control end generates interlock circuit 300 with the dead zone is connect, the input terminal of the impulse generating unit 130 and institute
State power positive end VCC connections, the input of the output end of the impulse generating unit 130 and the lever-shifter unit 140
End connection；The output end of the lever-shifter unit 140 and the first input end of the high-pressure side logic unit 150 connect
It connects；Second input terminal of the high-pressure side logic unit 150 is exported with the high-side signal output end HO and the high-pressure side
The output end of unit 160 interconnects；The output end of the high-pressure side logic unit 150 is defeated with the high-pressure side output unit 160
Enter end connection.
In the present embodiment, after the first Schmitt trigger 110 is used to carry out whole wave to the control signal that master controller exports
Stablize output to the first filter unit 120 of rear class, the first filter unit 120 is used to carry out the control signal received high
Frequently, narrow wave filtering, and output to dead zone after signal carries out reverse phase will be controlled and generate interlock circuit 300.Impulse generating unit 130 is used
In when receiving the high level signal that dead zone generation interlock circuit 300 exports, exported after generating narrow pulse signal, low and high level
Displacement unit 140 is used to low-pressure side burst pulse controlling transfer of the signal to high-pressure side burst pulse control signal.High-pressure side logic
Narrow pulse signal is reverted to broad pulse by unit 150 for being filtered to the output signal of low and high level shift unit
Signal, high-pressure side output unit 160 is for improving the current output capability of high-pressure side driving circuit 100 to drive high-voltage power device
Part.
Referring to Fig.1 or Fig. 2, further, the intelligent power module further includes low-pressure side output end LO；The low-pressure side
Driving circuit 200 includes the second Schmitt trigger 210, the second filter unit 220, delay unit 230, low-pressure side output unit
240, the input terminal of the first Schmitt trigger 110 is the input terminal of the high-pressure side driving circuit 100, described second this
The output end of schmitt trigger 210 is connect with the input terminal of second filter unit 220；Second filter unit 220
The second input terminal that output end generates interlock circuit 300 with the dead zone is connect；The input terminal of the delay unit 230 with it is described
Dead zone generates the second output terminal connection of interlock circuit 300, and the output end of the delay unit 230 and low-pressure side output are single
Member 240 connects, and the output end of second delay unit 230 is connect with the low-pressure side output end LO.
In the present embodiment, after the second Schmitt trigger 210 is used to carry out whole wave to the control signal that master controller exports
Stablize output to the second filter unit 220 of rear class, the second filter unit 220 is used to carry out the control signal received high
Frequently, narrow wave filtering, and output to dead zone after signal carries out reverse phase will be controlled and generate interlock circuit 300.Delay unit 230 is used for will
Dead zone generates the control signal that interlock circuit 300 exports and is exported into line delay, is driven to avoid in lower bridge arm power tube and high-pressure side
The upper bridge arm power tube that dynamic circuit 100 drives simultaneously turns on and power inverting bridge circuit 500 is caused short trouble occur.Low-pressure side
Output unit 240 is for improving the current output capability of low pressure side drive circuit 200 to drive high voltage power device.
With reference to Fig. 2, Fig. 2 shows the second preferred embodiment of the present invention, in the second embodiment of the present invention, the intelligence
Energy power module includes high-pressure side driving circuit 100, low pressure side drive circuit 200, dead zone generation interlock circuit 300, bootstrapping electricity
Road 400, high-side signal input terminal HIN, low-side signal input terminal LIN, power positive end VCC, power supply negative terminal COM and high-pressure side
Signal output end HO；The input terminal of the high-pressure side driving circuit 100 is connect with the high-side signal input terminal HIN, described
The first input end that the output end of high-pressure side driving circuit 100 generates interlock circuit 300 with the dead zone is connect；The low-pressure side
The input terminal of driving circuit 200 is connect with the low-side signal input terminal LIN；The output of the low pressure side drive circuit 200
The second input terminal for generating interlock circuit 300 with the dead zone is held to connect；Wherein,
The boostrap circuit 400 includes bootstrapping control unit 410, P-MOS pipes Q2 and bootstrapping resistance R1, the bootstrapping control
The electrode input end of unit 410 is connect with the power positive end VCC, the negative input of the bootstrapping control unit 410 and institute
Power supply negative terminal COM connections are stated, the first controlled end BHIN of the bootstrapping control unit 410 generates interlock circuit with the dead zone
Second controlled end BLIN of 300 the first output end connection, the bootstrapping control unit 410 generates interlock circuit with the dead zone
The output end BO of 300 second output terminal connection, the bootstrapping control unit 410 is connect with the drain electrode of the P-MOS pipes Q2；Institute
The grid and source shorted of P-MOS pipes Q2 are stated, and is connect with the first end of the bootstrapping resistance R1 after short circuit；The bootstrapping resistance
The second end of R1 is connect with the high-side signal output end HO.
The overall structure of the second embodiment is similar with first embodiment, and the difference of second embodiment and first embodiment is special
Sign is that in this second embodiment, bootstrapping control circuit includes bootstrapping control unit 410, P-MOS pipes Q2 and bootstrapping resistance R1.
Wherein, P-MOS pipes Q2 is preferably realized using high pressure-resistant metal-oxide-semiconductor, and the grid and source shorted of P-MOS pipes Q2 is real
Show one-way conduction, P-MOS pipes Q2 is equivalent to bootstrap diode at this time.P-MOS pipes Q2 and bootstrapping control unit 410 and bootstrapping resistance
R1 forms boostrap circuit 400, and is bootstrapping electricity with bootstrapping resistance R1 when control unit 410 of booting controls the Q2 conductings of P-MOS pipes
Hold CB1 and charge tunnel is provided.
Specifically, when the signal of high-side signal input terminal HIN inputs is low level signal, low-side signal input terminal
When the signal of LIN inputs is high level signal, the signal of high-side signal output end HO outputs is low level signal, and low-pressure side is defeated
The signal of outlet LO outputs is high level signal, the upper bridge arm power tube MH shutdowns in power inverting bridge circuit 500, lower bridge arm work(
Rate pipe ML is open-minded.The first controlled end BHIN received signals of bootstrapping control unit 410 are low level signal, that is, earth signal at this time
COM, and the second controlled end BLIN received signals be high level signal, that is, DC power supply VCC when, at this time boot control unit 410
Output end BO output be high level signal, that is, VCC.It is turned off in upper bridge arm power tube MH, it is high when lower bridge arm power tube ML is opened
The voltage of pressure side floating power supply end VB declines with the decline of high side floating ground VS voltages.The voltage of P-MOS pipe Q2 drain electrode ends B with
The signal of the output end BO outputs for control unit 410 of booting is identical, the voltage of the common end A in P-MOS pipe Q2 grid source and high-pressure side
VB variations in floating power supply end are consistent.When the pressure difference that B point voltages drop to A point voltages or less and the two is more than P-MOS pipes Q2's
When conduction voltage drop, the Q2 conductings of P-MOS pipes, P-MOS pipes Q2 conductings and bootstrapping resistance R1 provide charge tunnel for bootstrap capacitor CB1,
To give bootstrap capacitor CB1 chargings.
When the signal of high-side signal input terminal HIN input is high level signal, the LIN inputs of low-side signal input terminal
When signal is low level signal, the signal of high-side signal output end HO outputs is high level signal, and low-pressure side output end LO is defeated
The signal gone out is low level signal, and the upper bridge arm power tube MH in power inverting bridge circuit 500 is open-minded, and lower bridge arm power tube ML is closed
It is disconnected.The first controlled end BHIN received signals of bootstrapping control unit 410 are low level signal, that is, earth signal COM at this time, second
Controlled end BLIN received signals are low level signal, that is, earth signal COM, and the output end BO outputs for control unit 410 of booting are low
Level signal.It is open-minded in upper bridge arm power tube MH, when lower bridge arm power tube ML shutdown, the voltage of high-pressure side floating power supply end VB with
The rising of VS and rise, B point voltages rise and far more than power input VCC voltages, and B point voltages are higher than A point voltages, to control
P-MOS pipes Q2 cut-offs processed, bootstrap capacitor CB1 chargings stop, and power for high-pressure side driving circuit 100.
When dead zone generates 300 output interlocking signal of interlock circuit, namely the first controlled end BHIN of bootstrapping control unit 410
When being high level simultaneously with the second controlled end BLIN received signals, the output end BO output signals of bootstrapping control unit 410 are
Low level signal, capacitance is without charging at this time, to play a protective role to high-pressure side driving circuit 100.
Intelligent power module of the present invention realizes one-way conduction characteristic using the high pressure P-MOS pipes Q2 of grid source short circuit, and passes through
Setting bootstrapping resistance R1 and bootstrapping control unit 410 form boostrap circuit 400, in 100 driving power of high-pressure side driving circuit
Upper bridge arm power tube MH shutdowns in inversion bridge circuit 500, when low pressure side drive circuit 200 drives the conducting of lower bridge arm power tube,
The output end BO for control unit 410 of booting exports high level signal, that is, VCC, and the grid source common end B voltages of P-MOS pipes Q2 drop to
Below the drain electrode A voltages of P-MOS pipes Q2 and when the pressure difference of the two is more than the conduction voltage drop of P-MOS pipes Q2, P-MOS pipes Q2 is led
Logical, DC power supply is charged by P-MOS pipes Q2 and bootstrapping resistance R1 to bootstrap capacitor CB1.And opened in upper bridge arm power tube, under
Bridge arm power tube turn off when, high side floating power supply rises with the rising of high side floating ground voltage, bootstrapping control unit 410 it is defeated
Outlet BO exports low high level signal, that is, COM, and high side floating power supply voltage makes P-MOS pipes Q2's far more than direct current power source voltage
When grid source common end B voltages are increased over drain electrode A voltages, P-MOS pipes Q2 cut-offs, bootstrap capacitor CB1 stops charging, and is height
Side drive circuit 100 is pressed to power.
It is understood that since the circuit structure and first in intelligent power module second embodiment of the present invention is implemented
The circuit structure of example is similar, namely the second embodiment of intelligent power module of the present invention is implemented with above-mentioned intelligent power module first
The technical solution of example is similar, and the technique effect reached is also identical, and details are not described herein.
The present invention also proposes that a kind of air conditioner, the air conditioner include intelligent power module as described above.The intelligence work(
The detailed construction of rate module can refer to above-described embodiment, and details are not described herein again；It is understood that due in air conditioner of the present invention
In used above-mentioned intelligent power module, therefore, the embodiment of air conditioner of the present invention includes that above-mentioned intelligent power module is all real
Whole technical solutions of example are applied, and the technique effect reached is also identical, details are not described herein.
In the present embodiment, which can be that inverter, frequency converter, refrigeration equipment, metallurgical machinery equipment, electric power are led
Draw one kind in equipment.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
In the scope of patent protection that other related technical areas are included in the present invention.
Claims (9)
1. a kind of intelligent power module, which is characterized in that the intelligent power module includes high-pressure side driving circuit, low-pressure side drive
Dynamic circuit, dead zone generate interlock circuit, boostrap circuit, high-side signal input terminal, low-side signal input terminal, power positive end,
Power supply negative terminal and high-pressure side output end；The input terminal of the high-pressure side driving circuit is connect with the high-side signal input terminal,
The first input end that the output end of the high-pressure side driving circuit generates interlock circuit with the dead zone is connect；The low-pressure side is driven
The input terminal of dynamic circuit is connect with the low-side signal input terminal；The output end of the low pressure side drive circuit and the dead zone
Generate the second input terminal connection of interlock circuit；Wherein,
The boostrap circuit includes bootstrapping control unit, N-MOS pipes and bootstrapping resistance, the anode input of the bootstrapping control unit
End is connect with the power positive end, and the negative input of the bootstrapping control unit is connect with the power supply negative terminal, the bootstrapping
The first output end that first controlled end of control unit generates interlock circuit with the dead zone is connect, the bootstrapping control unit
The second output terminal that second controlled end generates interlock circuit with the dead zone is connect, the output end of the bootstrapping control unit and institute
State the grid connection of N-MOS pipes；The source electrode and grid short circuit of the N-MOS pipes, the drain electrode of the N-MOS pipes and bootstrapping electricity
The first end of resistance connects；The second end of the bootstrapping resistance is connect with the high-pressure side output end.
2. intelligent power module as described in claim 1, which is characterized in that the bootstrapping control unit includes the first reverse phase
Device, the second phase inverter, third phase inverter, the 4th phase inverter, the 5th phase inverter, the first or logic door, the second or logic door
And NAND Logic door, the first controlled end of the input terminal of first phase inverter and the bootstrapping control unit, described first is anti-
The output end of phase device and the first input end of the first or logic door and the first input end of the second or logic door
Connection；The input terminal of second phase inverter be it is described bootstrapping control unit the first controlled end, second phase inverter it is defeated
Second input terminal of outlet and the second input terminal and the second or logic door of addressing the first or logic door interconnects；Institute
State the input terminal of the output end and the third phase inverter of the first or logic door, the output end of third phase inverter with it is described with it is non-
The first input end of logic gate connects；The output end of the second or logic door and the input terminal of the 4th phase inverter connect
It connects；The output end of 4th phase inverter is connect with the second input terminal of the NAND Logic door；The NAND Logic door it is defeated
Outlet is connect with the input terminal of the 5th phase inverter, and the output end of the 5th phase inverter is the defeated of the bootstrapping control unit
Outlet.
3. intelligent power module as described in claim 1, which is characterized in that the high-pressure side driving circuit includes that first this is close
Special trigger, the first filter unit, impulse generating unit, lever-shifter unit, high-pressure side logic unit and high-pressure side are defeated
Go out unit, the input terminal of the first Schmitt trigger is the input terminal of the high-pressure side driving circuit, and described first this is close
The output end of special trigger is connect with the input terminal of first filter unit；The output end of first filter unit with it is described
Dead zone generates the first input end connection of interlock circuit；The controlled end of the impulse generating unit generates interlocking electricity with the dead zone
First output end on road connects, and the input terminal of the impulse generating unit is connect with the power positive end, and the pulse generates single
The output end of member is connect with the input terminal of the lever-shifter unit；The output end of the lever-shifter unit and institute
State the first input end connection of high-pressure side logic unit；Second input terminal of the high-pressure side logic unit and the high-pressure side are defeated
The output end of outlet and the high-pressure side output unit interconnects；The output end of the high-pressure side logic unit and the high-pressure side are defeated
Go out the input terminal connection of unit.
4. intelligent power module as described in claim 1, which is characterized in that the intelligent power module further includes that low-pressure side is defeated
Outlet；The low pressure side drive circuit includes the second Schmitt trigger, the second filter unit, delay unit, low-pressure side output
Unit, the input terminal of the first Schmitt trigger are the input terminal of the high-pressure side driving circuit, second Schmitt
The output end of trigger is connect with the input terminal of second filter unit；The output end of second filter unit with it is described dead
Area generates the second input terminal connection of interlock circuit；The input terminal of the delay unit and the dead zone generate the of interlock circuit
Two output ends connect, and the output end of the delay unit is connect with the low-pressure side output unit, second delay unit
Output end is connect with the low-pressure side output end.
5. a kind of intelligent power module, which is characterized in that the intelligent power module includes high-pressure side driving circuit, low-pressure side drive
Dynamic circuit, dead zone generate interlock circuit, boostrap circuit, high-side signal input terminal, low-side signal input terminal, power positive end,
Power supply negative terminal and high-pressure side output end；The input terminal of the high-pressure side driving circuit is connect with the high-side signal input terminal,
The first input end that the output end of the high-pressure side driving circuit generates interlock circuit with the dead zone is connect；The low-pressure side is driven
The input terminal of dynamic circuit is connect with the low-side signal input terminal；The output end of the low pressure side drive circuit and the dead zone
Generate the second input terminal connection of interlock circuit；Wherein,
The boostrap circuit includes bootstrapping control unit, P-MOS pipes and bootstrapping resistance, the anode input of the bootstrapping control unit
End is connect with the power positive end, and the negative input of the bootstrapping control unit is connect with the power supply negative terminal, the bootstrapping
The first output end that first controlled end of control unit generates interlock circuit with the dead zone is connect, the bootstrapping control unit
The second output terminal that second controlled end generates interlock circuit with the dead zone is connect, the output end of the bootstrapping control unit and institute
State the drain electrode connection of P-MOS pipes；The grid and source shorted of the P-MOS pipes, and after short circuit with it is described bootstrapping resistance first
End connection；The second end of the bootstrapping resistance is connect with the high-pressure side output end.
6. intelligent power module as claimed in claim 5, which is characterized in that the bootstrapping control unit includes the first reverse phase
Device, the second phase inverter, third phase inverter, the 4th phase inverter, the 5th phase inverter, the first or logic door, the second or logic door
And NAND Logic door, the first controlled end of the input terminal of first phase inverter and the bootstrapping control unit, described first is anti-
The output end of phase device is connect with the first input end of the first or logic door；The input terminal of second phase inverter is described
First controlled end of control unit of booting, the second input of the output end of second phase inverter and the first or logic door
End connection；The input terminal of the output end of the first or logic door and the third phase inverter, the output end of third phase inverter
It is connect with the first input end of the second or logic door；The output end of the second or logic door and the 4th reverse phase
The input terminal of device connects；The output end of 4th phase inverter is connect with the second input terminal of the second or logic door；Institute
The output end for stating the second or logic door is connect with the input terminal of the 5th phase inverter, and the output end of the 5th phase inverter is
The output end of the bootstrapping control unit.
7. intelligent power module as claimed in claim 5, which is characterized in that the high-pressure side driving circuit includes that first this is close
Special trigger, the first filter unit, impulse generating unit, lever-shifter unit and high-pressure side output unit, described first
The input terminal of Schmitt trigger is the input terminal of the high-pressure side driving circuit, the output end of the first Schmitt trigger
It is connect with the input terminal of first filter unit；The output end of first filter unit generates interlock circuit with the dead zone
First input end connection；The first output end that the controlled end of the impulse generating unit generates interlock circuit with the dead zone connects
Connect, the input terminal of the impulse generating unit is connect with the power positive end, the output end of the impulse generating unit with it is described
The input terminal of lever-shifter unit connects；The output end of the lever-shifter unit and the high-pressure side logic unit
First input end connection；Second input terminal of the high-pressure side logic unit and the high-pressure side output end and the high-pressure side
The output end of output unit interconnects；The output end of the high-pressure side logic unit and the input terminal of the high-pressure side output unit connect
It connects.
8. intelligent power module as claimed in claim 5, which is characterized in that the intelligent power module further includes that low-pressure side is defeated
Outlet；The low pressure side drive circuit includes the second Schmitt trigger, the second filter unit, delay unit, low-pressure side output
Unit, the input terminal of the first Schmitt trigger are the input terminal of the high-pressure side driving circuit, second Schmitt
The output end of trigger is connect with the input terminal of second filter unit；The output end of second filter unit with it is described dead
Area generates the second input terminal connection of interlock circuit；The input terminal of the delay unit and the dead zone generate the of interlock circuit
Two output ends connect, and the output end of the delay unit is connect with the low-pressure side output unit, second delay unit
Output end is connect with the low-pressure side output end.
9. a kind of air conditioner, which is characterized in that the air conditioner includes the intelligent work(as described in Claims 1-4 any one
Rate module；And/or
The air conditioner includes the intelligent power module as described in claim 5 to 8 any one.
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| CN203911746U (en) * | 2014-05-22 | 2014-10-29 | 美的集团股份有限公司 | IGBT tube driving circuit of intelligent power module and intelligent power module |
| CN105207513A (en) * | 2015-09-29 | 2015-12-30 | 广东美的制冷设备有限公司 | Intelligent power module and air-conditioner |
-
2018
- 2018-03-28 CN CN201810264007.2A patent/CN108418403B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006512040A (en) * | 2002-12-19 | 2006-04-06 | インターナショナル レクティファイアー コーポレーション | Flexible inverter power module for motor drive |
| CN100449929C (en) * | 2003-11-28 | 2009-01-07 | 三菱电机株式会社 | Inverter circuit |
| CN103872884A (en) * | 2014-03-24 | 2014-06-18 | 美的集团股份有限公司 | Intelligent power module |
| CN203911746U (en) * | 2014-05-22 | 2014-10-29 | 美的集团股份有限公司 | IGBT tube driving circuit of intelligent power module and intelligent power module |
| CN105207513A (en) * | 2015-09-29 | 2015-12-30 | 广东美的制冷设备有限公司 | Intelligent power module and air-conditioner |
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| CN108418403B (en) | 2020-06-23 |
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Effective date of registration: 20230118 Address after: 400064 plant 1, No. 70, Meijia Road, Nan'an District, Chongqing Patentee after: Meiken Semiconductor Technology Co.,Ltd. Address before: 528311 Lingang Road, Beijiao Town, Shunde District, Foshan, Guangdong Patentee before: GD MIDEA AIR-CONDITIONING EQUIPMENT Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |