CN105896954B - A kind of intelligent power module of adaptive antistatic enhancing - Google Patents
A kind of intelligent power module of adaptive antistatic enhancing Download PDFInfo
- Publication number
- CN105896954B CN105896954B CN201610347405.1A CN201610347405A CN105896954B CN 105896954 B CN105896954 B CN 105896954B CN 201610347405 A CN201610347405 A CN 201610347405A CN 105896954 B CN105896954 B CN 105896954B
- Authority
- CN
- China
- Prior art keywords
- adaptive circuit
- input terminal
- resistance
- analog switch
- adaptive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
Abstract
The invention discloses a kind of intelligent power module of adaptive antistatic enhancing, the end HO1 of its HVIC pipe, the end HO2, the end HO3, the end LO1, the end LO2, the end LO3, the end PFCO respectively with the first input end of adaptive circuit, second input terminal, third input terminal, 4th input terminal, 5th input terminal, 6th input terminal, the connection of 7th input terminal, first output end of adaptive circuit, second output terminal, third output end, 4th output end, 5th output end, 6th output end, 7th output end is connected with the grid of each IGBT pipe respectively, two poles that setting is connect with power end and the end GND respectively inside adaptive circuit.When the present invention does not power on, the grid of GBT pipe has electrical connection, reduces and impacts to the direct voltage of grid, improve the antistatic effect of the grid of IGBT pipe, reduces by the probability of electrostatic breakdown.
Description
Technical field
The present invention relates to a kind of protection of the design field of intelligent power module more particularly to intelligent power module electricity
The design on road and electrostatic suppression circuit.
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.
Shown in existing circuit structure such as Fig. 1 (A) for intelligent power module 100 in fields such as convertible frequency air-conditioners:
Low-pressure area power supply anode VDD, VDD mono- of the end VCC of HVIC pipe 101 as the intelligent power module 100
As be 15V；
There is boostrap circuit inside the HVIC pipe 101, boostrap circuit structure is as follows:
The end VCC is connected with the anode of bootstrap diode 102, bootstrap diode 103, bootstrap diode 104；
The cathode of the bootstrap diode 102 is connected with the VB1 of the HVIC pipe 101；
The cathode of the bootstrap diode 103 is connected with the VB2 of the HVIC pipe 101；
The cathode of the bootstrap diode 104 is connected with the VB3 of the HVIC pipe 101；
The end HIN1 of the HVIC pipe 101 is as bridge arm input terminal in the press U phase of the intelligent power module 100
UHIN；
The end HIN2 of the HVIC pipe 101 is as bridge arm input terminal in the press V phase of the intelligent power module 100
VHIN；
The end HIN3 of the HVIC pipe 101 is as bridge arm input terminal in the press W phase of the intelligent power module 100
WHIN；
Press U phase lower bridge arm input terminal of the end LIN1 of the HVIC pipe 101 as the intelligent power module 100
ULIN；
Press V phase lower bridge arm input terminal of the end LIN2 of the HVIC pipe 101 as the intelligent power module 100
VLIN；
Press W phase lower bridge arm input terminal of the end LIN3 of the HVIC pipe 101 as the intelligent power module 100
WLIN；
PFC control signal PFCIN of the end PFCINP of the HVIC pipe 101 as the intelligent power module 100；
Here, the intelligent power module 100 six tunnel UHIN, VHIN, WHIN, ULIN, VLIN, WLIN input and
The input signal of the end PFCIN reception 0V or 5V；
Low-pressure area power supply negative terminal COM of the end GND of the HVIC pipe 101 as the intelligent power module 100；
Current detecting vb end MTRIP of the end ITRIP of the HVIC pipe 101 as the intelligent power module 100；
One end of the end the VB1 connection capacitor 131 of the HVIC pipe 101, and the press as the intelligent power module 100
U phase higher-pressure region power supply anode UVB；
The end HO1 of the HVIC pipe 101 is connected with the grid of bridge arm IGBT pipe 121 in press U phase；
The end VS1 of the HVIC pipe 101 and bridge under the emitter-base bandgap grading of the IGBT pipe 121, the anode of FRD pipe 111, press U phase
The collector of arm IGBT pipe 124, the cathode of FRD pipe 114, the other end of the capacitor 131 are connected, and as the intelligent power
The press U phase higher-pressure region power supply negative terminal UVS of module 100；
One end of the end the VB2 connection capacitor 132 of the HVIC pipe 101, the press U as the intelligent power module 100
Phase higher-pressure region power supply anode VVB；
The end HO2 of the HVIC pipe 101 is connected with the grid of bridge arm IGBT pipe 122 in press V phase；
The end VS2 of the HVIC pipe 101 and bridge under the emitter-base bandgap grading of the IGBT pipe 122, the anode of FRD pipe 112, press V phase
The collector of arm IGBT pipe 125, the cathode of FRD pipe 115, the other end of the capacitor 132 are connected, and as the intelligent power
The press V phase higher-pressure region power supply negative terminal VVS of module 100；
One end of the end the VB3 connection capacitor 133 of the HVIC pipe 101, the press W as the intelligent power module 100
Phase higher-pressure region power supply anode WVB；
The end HO3 of the HVIC pipe 101 is connected with the grid of bridge arm IGBT pipe 123 in press W phase；
The end VS3 of the HVIC pipe 101 and bridge under the emitter-base bandgap grading of the IGBT pipe 123, the anode of FRD pipe 113, press W phase
The collector of arm IGBT pipe 126, the cathode of FRD pipe 116, the other end of the capacitor 133 are connected, and as the intelligent power
The press W phase higher-pressure region power supply negative terminal WVS of module 100；
The end LO1 of the HVIC pipe 101 is connected with the grid of the IGBT pipe 124；
The end LO2 of the HVIC pipe 101 is connected with the grid of the IGBT pipe 125；
The end LO3 of the HVIC pipe 101 is connected with the grid of the IGBT pipe 126；
The emitter-base bandgap grading of the IGBT pipe 124 is connected with the anode of the FRD pipe 114, and as the intelligent power module 100
Press U phase low reference voltage end UN；
The emitter-base bandgap grading of the IGBT pipe 125 is connected with the anode of the FRD pipe 115, and as the intelligent power module 100
Press V phase low reference voltage end VN；
The emitter-base bandgap grading of the IGBT pipe 126 is connected with the anode of the FRD pipe 116, and as the intelligent power module 100
Press W phase low reference voltage end WN；
The end PFCO of the HVIC pipe 101 is connected with the grid of IGBT pipe 127；
The emitter-base bandgap grading of the IGBT pipe 127 is connected with the anode of FRD pipe 117, and as the intelligent power module 100
PFC low reference voltage end-VP；
The collector of the IGBT pipe 127 is connected with the anode of the cathode of the FRD pipe 117, FRD pipe 131, and as institute
State the end PFC of intelligent power module 100；
The cathode of the FRD pipe 131, the collector of the IGBT pipe 121, the cathode of the FRD pipe 111, the IGBT
The cathode phase of the collector of pipe 122, the cathode of the FRD pipe 112, the collector of the IGBT pipe 123, the FRD pipe 113
Even, and high voltage the input terminal P, P as the intelligent power module 100 generally meet 300V.
The effect of the HVIC pipe 101 is:
VDD is the power supply anode of the HVIC pipe 101, and GND is the power supply negative terminal of the HVIC pipe 101；
VDD-GND voltage is generally 15V；
VB1 and VS1 is respectively the anode and cathode of the power supply of U phase higher-pressure region, and HO1 is the output end of U phase higher-pressure region；
VB2 and VS2 is respectively the anode and cathode of the power supply of V phase higher-pressure region, and HO2 is the output end of V phase higher-pressure region；
VB3 and VS3 is respectively the anode and cathode of the power supply of U phase higher-pressure region, and HO3 is the output end of W phase higher-pressure region；
LO1, LO2, LO3 be respectively U phase, V phase, W phase low-pressure area output end；
PFCO is the output end of PFC driving circuit；
The logic input signal of the 0 of input terminal HIN1, HIN2, HIN3 or 5V are passed into output end HO1, HO2, HO3 respectively,
The signal of LIN1, LIN2, LIN3 pass to output end LO1, LO2, LO3 respectively, and the signal of PFCINP passes to output end PFCO, wherein
It is the logic output signal of VS2 or VS2+15V, HO3 is VS3 or VS3 that HO1, which is the logic output signal of VS1 or VS1+15V, HO2,
The logic output signal of+15V, LO1, LO2, LO3, PFCO are the logic output signals of 0 or 15V.
The input signal of same phase cannot be simultaneously high level, i.e. HIN1 and LIN1, HIN2 and LIN2, HIN3 and LIN3 not
It can simultaneously be high level.
Described UVS, VVS, WVS and PFC connect inductive load.
PFCINP then presses certain frequency frequent switching between low and high level, and the IGBT pipe 127 is made to be continuously in switch
State and the FRD pipe 131 is continuously in freewheeling state, which is generally LIN1~LIN3, HIN1~HIN3 switching frequency
2~4 times, and do not contacted directly with the switching frequency of LIN1~LIN3, HIN1~HIN3.
As it can be seen that the IGBT pipe 124 of existing intelligent power module 100, the IGBT pipe 125, the IGBT pipe 126,
The emitter-base bandgap grading of the IGBT pipe 127 is filled directly as the pin of the intelligent power module 100 in the intelligent power module 100
With in the process, due to touching station, touching worker's physical feeling etc., the intelligent power module 100 is easy to
It is threatened by electrostatic, it is directly right to be equivalent to electrostatic if there is between UN, VN, WN ,-VP pin and COM pin for these electrostatic
The grid composition impact of the IGBT pipe 124, the IGBT pipe 125, the IGBT pipe 126, the IGBT pipe 127, IGBT pipe
Oxygen of deleting be to be easiest to by the position of electrostatic breakdown, so in the design of existing intelligent power module 100 exist be mounted process
In the defect that is damaged by static electricity.
In fact, the detection after intelligent power module assembly can be by if this damage keeps IGBT pipe entirely ineffective
Detection avoids coming into the market, but if this damage only makes IGBT pipe that micro-damage occur, then the inspection after intelligent power module assembly
Survey would become hard to be found, and the initial failure of product can be caused by coming into the market, and IGBT pipe belongs to power device, there is high-voltage great-current stream
It crossing, IGBT tube failure moment easily occurs overheat and burns, and cause entire intelligent power module to burst, intelligent power module
Heat localization can even cause intelligent power module to be exploded, and the safety accidents such as fire can occur when serious.Intelligence can be promoted
The antistatic effect of power module becomes the important topic for influencing intelligent power module popularization and application.
Therefore, the prior art is defective, needs to improve.
Summary of the invention
It, can be the technical problems to be solved by the present invention are: provide a kind of reliability, the intelligent power module of high-adaptability
Guarantee that intelligent power module under the premise of antistatic effect greatly improves, improves the performance of intelligent power module.
Technical scheme is as follows: a kind of intelligent power module of adaptive antistatic enhancing, comprising: HVIC pipe
1101；The first IGBT pipe 1121, the 2nd IGBT pipe 1122, the 3rd IGBT pipe the 1123, the 4th being connect respectively with HVIC pipe 1101
IGBT pipe 1124, the 5th IGBT pipe 1125, the 6th IGBT pipe 1126 and the 7th IGBT pipe 1127；And adaptive circuit 1105；
Wherein, the end HO1 of HVIC pipe 1101 is connected with the first input end of adaptive circuit 1105, and the first of adaptive circuit 1105 is defeated
Outlet is connected with the grid of the first IGBT pipe 1121 of bridge arm in press U phase；The end HO2 of HVIC pipe 1101 and adaptive circuit 1105
The second input terminal be connected, the second output terminal and the grid of the 2nd IGBT pipe 1122 of bridge arm in press V phase of adaptive circuit 1105
Extremely it is connected；The end HO3 of HVIC pipe 1101 is connected with the third input terminal of adaptive circuit 1105, the third of adaptive circuit 1105
Output end is connected with the grid of the 3rd IGBT pipe 1123 of bridge arm in press W phase；The end LO1 of HVIC pipe 1101 and adaptive circuit
1105 the 4th input terminal is connected, and the 4th output end of adaptive circuit 1105 is connected with the grid of the 4th IGBT pipe 1124；
The end LO2 of HVIC pipe 1101 is connected with the 5th input terminal of adaptive circuit 1105, the 5th output end of adaptive circuit 1105
It is connected with the grid of the 5th IGBT pipe 1125；The end LO3 of HVIC pipe 1101 is connected with the 6th input terminal of adaptive circuit 1105,
6th output end of adaptive circuit 1105 is connected with the grid of the 6th IGBT pipe 1126；The end PFCO of HVIC pipe 1101 with it is adaptive
The 7th input terminal of circuit 1105 is answered to be connected, the grid phase of the 7th output end and the 7th IGBT pipe 1127 of adaptive circuit 1105
Even；Also, first diode 2011 and the second diode 2013 are additionally provided with inside adaptive circuit 1105, wherein the one or two
The anode of pole pipe 2011 meets GND, and the cathode of the second diode 2013 meets VCC.
Applied to above-mentioned technical proposal, in the intelligent power module, when not yet powering on, adaptive circuit 1105
First output end, second output terminal, third output end, the 4th output end, the 5th output end, the 6th output end, the 7th output end
It generates and is electrically connected and presents high-impedance state, and inputted with the first input end, the second input terminal, third of adaptive circuit (1105)
End, the 4th input terminal, the 5th input terminal, the 6th input terminal, the signal of the 7th input terminal are unrelated.
Applied to each above-mentioned technical proposal, in the intelligent power module, after its electricity, adaptive circuit 1105
The same phase of signal of the signal of first output end and the first input end of adaptive circuit 1105, the second of adaptive circuit 1105 are defeated
The same phase of signal of the signal of outlet and the second input terminal of the adaptive circuit 1105, the third output of adaptive circuit 1105
The same phase of signal of the signal at end and the third input terminal of adaptive circuit 1105, the letter of the 4th output end of adaptive circuit 1105
The same phase of signal number with the 4th input terminal of adaptive circuit 1105, the signal of the 5th output end of adaptive circuit 1105 with from
The same phase of signal of 5th input terminal of adaptive circuit 1105, the signal of the 6th output end of adaptive circuit 1105 and adaptive electricity
The same phase of signal of 6th input terminal on road 1105, the signal and adaptive circuit 1105 of the 7th output end of adaptive circuit 1105
The 7th input terminal the same phase of signal.
Applied to each above-mentioned technical proposal, in the intelligent power module, adaptive circuit 1105 is internally provided with
8th resistance 2016, the 9th resistance 2012, voltage comparator 2015, the first NOT gate 2010, the second NOT gate 2017, first resistor
2021, second resistance 2022,3rd resistor 2023, the 4th resistance 2024, the 5th resistance 2025, the 2026, the 7th electricity of the 6th resistance
Resistance 2027 and the first analog switch 2001, the second analog switch 2002, third analog switch 2003, the 4th analog switch
2004, the 5th analog switch 2005, the 6th analog switch 2006 and the 7th analog switch 2007；Wherein；8th resistance 2,016 1
Terminate VCC, 2016 the 9th resistance 2012 of another termination of the 8th resistance and voltage comparator 2015；The output of voltage comparator 2015
Terminate the first NOT gate 2010, the input terminal of output the second NOT gate 2017 of termination of the first NOT gate 2010；Second NOT gate 2017 it is defeated
Outlet connects the control terminal of the first analog switch 2001, the control terminal of the second analog switch 2002, third analog switch 2003 respectively
Control terminal, the control terminal of the 4th analog switch 2004, the control terminal of the 5th analog switch 2005, the 6th analog switch 2006
The control terminal of control terminal and the 7th analog switch 2007；The first input end of adaptive circuit 1105 and the one of first resistor 2021
End is connected, and the second input terminal of adaptive circuit 1105 is connected with one end of second resistance 2022, and the of adaptive circuit 1105
Three input terminals are connected with one end of 3rd resistor 2023, and the one of the 4th input terminal of adaptive circuit 1105 and the 4th resistance 2024
End is connected, and the 5th input terminal of adaptive circuit 1105 is connected with one end of the 5th resistance 2025, and the of adaptive circuit 1105
Six input terminals are connected with one end of the 6th resistance 2026, and the one of the 7th input terminal of adaptive circuit 1105 and the 7th resistance 2027
End is connected；Also, the fixing end of the first analog switch 2001 is the first output end of adaptive circuit 1105, the second analog switch
2002 fixing end is the second output terminal of adaptive circuit 1105, and the fixing end of third analog switch 2003 is adaptive circuit
1105 third output end, the fixing end of the 4th analog switch 2004 are the 4th output end of adaptive circuit 1105, the 5th mould
The fixing end of quasi- switch 2005 is the 5th output end of adaptive circuit 1105, and the fixing end of the 6th analog switch 2006 is adaptive
The 6th output end of circuit 1105 is answered, the fixing end of the 7th analog switch 2007 is the 7th output end of adaptive circuit 1105；
Also, the first analog switch 2001 0 selection end, the second analog switch 2002 0 selection end, third analog switch 2003 0
Select end, 0 selection end of the 4th analog switch 2004,0 selection end of the 5th analog switch 2005, the 6th analog switch 2006
0 selects 0 selection end of end, the 7th analog switch 2007 to be connected and connect the cathode of first diode 2011, the second diode 2013
Anode be connected.
Applied to each above-mentioned technical proposal, in the intelligent power module, the 8th resistance 2016 and the 9th resistance
2012 select resistance value for the resistance of 30k Ω.
Applied to each above-mentioned technical proposal, in the intelligent power module, first resistor 2021, second resistance
2022,3rd resistor 2023, the 4th resistance 2024, the 5th resistance 2025, the 6th resistance 2026 resistance value be 100 Ω, make adaptive
The 7th output end of circuit 1105 is answered to be connected by the 7th resistance 2027 with the 7th input terminal of adaptive circuit 1105, the 7th electricity
The resistance value of resistance 2027 is 50 Ω.
Using the above scheme, intelligent power module of the invention is compared with existing intelligent power module, in intelligent power mould
When block not yet powers on, that is, it is most susceptible to the occasion of electrostatic accumulation and electric discharge, the grid of IGBT pipe is because have electrical connection, quite
In increasing grid oxygen area, and because being in forward diode state to power end, it is in backward dioded state to the end GND, makes
It even if there is electric discharge, can also take the lead in discharging by diode, reduce and the direct voltage of grid is impacted, improve intelligent power mould
The antistatic effect of the grid of IGBT pipe inside block, also, HO1, HO2 due to HVIC pipe, HO3, LO1, LO2, LO3,
The end PFCO is also managed after intelligent power module powers on corresponding IGBT respectively, and due to the effect of motional electric field, electrostatic can not be accumulated
It is poly-, so, the output end of the HVIC pipe of intelligent power module is re-established with the grid of IGBT pipe after the power-up be electrically connected after quilt
The chance of electrostatic breakdown is very low.So as to reduce intelligent power module of the invention by the probability of electrostatic breakdown, intelligence ensure that
The quality of power module factory, this provides the user satisfaction of product, reduces product and throw for maintaining application system stability
It tells, maintenance brand image is greatly facilitated effect.
Detailed description of the invention
Fig. 1 is the structural circuit figure of the prior art；
Fig. 2 is structural circuit figure of the invention；
Fig. 3 is the internal structure circuit diagram of adaptive circuit in the present invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Present embodiments provide a kind of intelligent power module of adaptive antistatic enhancing, 1100 structure of intelligent power module
Figure is as shown in Figure 2.Wherein, the end VCC of HVIC pipe 1101 as the intelligent power module 1100 low-pressure area power supply just
VDD, VDD is held to be generally 15V；
There are also boostrap circuit structure is as follows for 1101 inside of HVIC pipe:
The end VCC is connected with the anode of bootstrap diode 1102, bootstrap diode 1103, bootstrap diode 1104；
The cathode of the bootstrap diode 1102 is connected with the VB1 of the HVIC pipe 1101；
The cathode of the bootstrap diode 1103 is connected with the VB2 of the HVIC pipe 1101；
The cathode of the bootstrap diode 1104 is connected with the VB3 of the HVIC pipe 1101.
The end HIN1 of the HVIC pipe 1101 is bridge arm input terminal UHIN in the U phase of the intelligent power module 1100；
The end HIN2 of the HVIC pipe 1101 is bridge arm input terminal VHIN in the V phase of the intelligent power module 1100；
The end HIN3 of the HVIC pipe 1101 is bridge arm input terminal WHIN in the W phase of the intelligent power module 1100；
The end LIN1 of the HVIC pipe 1101 is the U phase lower bridge arm input terminal ULIN of the intelligent power module 1100；
The end LIN2 of the HVIC pipe 1101 is the V phase lower bridge arm input terminal VLIN of the intelligent power module 1100；
The end LIN3 of the HVIC pipe 1101 is the W phase lower bridge arm input terminal WLIN of the intelligent power module 1100；
PFC control signal PFCIN of the end PFCINP of the HVIC pipe 1101 as the intelligent power module 100；
Here, the intelligent power module 1100 six tunnel UHIN, VHIN, WHIN, ULIN, VLIN, WLIN input and
The input signal of the end PFCIN reception 0V or 5V；
The end ITRIP of the HVIC pipe 1101 is the end MTRIP of the intelligent power module 1100；
It is received here, six tunnel UHIN, VHIN, WHIN, ULIN, VLIN, WLIN of the intelligent power module 1100 inputs
The input signal of 0V or 5V；
Low-pressure area power supply negative terminal COM of the end GND of the HVIC pipe 1101 as the intelligent power module 1100；
One end of the end the VB1 connection capacitor 1131 of the HVIC pipe 1101, and as the intelligent power module 1100
Press U phase higher-pressure region power supply anode UVB；
The end HO1 of the HVIC pipe 1101 is connected with the first input end of adaptive circuit 1105, the adaptive circuit
1105 the first output end is connected with the grid of the first IGBT pipe 1121 of bridge arm in press U phase；
Anode, the press U of the emitter-base bandgap grading of the end VS1 of the HVIC pipe 1101 and the first IGBT pipe 1121, FRD pipe 1111
The collector of the 4th IGBT pipe 1124 of phase lower bridge arm, the cathode of FRD pipe 1114, the other end of the capacitor 1131 are connected, and make
For the press U phase higher-pressure region power supply negative terminal UVS of the intelligent power module 1100；
One end of the end the VB2 connection capacitor 1132 of the HVIC pipe 1101, the pressure as the intelligent power module 1100
Machine U phase higher-pressure region power supply anode VVB；
The end HO2 of the HVIC pipe 1101 is connected with the second input terminal of the adaptive circuit 1105, described adaptive
The second output terminal of circuit 1105 is connected with the grid of the 2nd IGBT pipe 1122 of bridge arm in press V phase；
Anode, the press V of the emitter-base bandgap grading of the end VS2 of the HVIC pipe 1101 and the 2nd IGBT pipe 1122, FRD pipe 1112
The collector of the 5th IGBT pipe 1125 of phase lower bridge arm, the cathode of FRD pipe 1115, the other end of the capacitor 1132 are connected, and make
For the press V phase higher-pressure region power supply negative terminal VVS of the intelligent power module 1100；
One end of the end the VB3 connection capacitor 1133 of the HVIC pipe 1101, the pressure as the intelligent power module 1100
Machine W phase higher-pressure region power supply anode WVB；
The end HO3 of the HVIC pipe 1101 is connected with the third input terminal of the adaptive circuit 1105, described adaptive
The third output end of circuit 1105 is connected with the grid of the 3rd IGBT pipe 1123 of bridge arm in press W phase；
Anode, the press W of the emitter-base bandgap grading of the end VS3 of the HVIC pipe 1101 and the 3rd IGBT pipe 1123, FRD pipe 1113
The collector of the 6th IGBT pipe 1126 of phase lower bridge arm, the cathode of FRD pipe 1116, the other end of the capacitor 1133 are connected, and make
For the press W phase higher-pressure region power supply negative terminal WVS of the intelligent power module 1100；
The end LO1 of the HVIC pipe 1101 is connected with the 4th input terminal of the adaptive circuit 1105, described adaptive
4th output end of circuit 1105 is connected with the grid of the 4th IGBT pipe 1124；
The end LO2 of the HVIC pipe 1101 is connected with the 5th input terminal of the adaptive circuit 1105, described adaptive
5th output end of circuit 1105 is connected with the grid of the 5th IGBT pipe 1125；
The end LO3 of the HVIC pipe 1101 is connected with the 6th input terminal of the adaptive circuit 1105, described adaptive
6th output end of circuit 1105 is connected with the grid of the 6th IGBT pipe 1126；
The emitter-base bandgap grading of the IGBT pipe 1124 is connected with the anode of the FRD pipe 1114, and as the intelligent power module
1100 end UN；
The emitter-base bandgap grading of the IGBT pipe 1125 is connected with the anode of the FRD pipe 1115, and as the intelligent power module
1100 end VN；
The emitter-base bandgap grading of the IGBT pipe 1126 is connected with the anode of the FRD pipe 1116, and as the intelligent power module
1100 end WN；
The end PFCO of the HVIC pipe 1101 is connected with the 7th input terminal of the adaptive circuit 1105, described adaptive
7th output end of circuit 1105 is connected with the grid of the 7th IGBT pipe 1127；
The emitter-base bandgap grading of the 7th IGBT pipe 1127 is connected with the anode of FRD pipe 1117, and as the intelligent power module
1100 end-VP；
The collector of the 7th IGBT pipe 1127 is connected with the anode of the cathode of the FRD pipe 1117, FRD pipe 1131,
And the end PFC as the intelligent power module 1100；
The cathode of the FRD pipe 1131, the collector of the first IGBT pipe 1121, the cathode of the FRD pipe 1111, institute
State the collector, described of the collector of the 2nd IGBT pipe 1122, the cathode of the FRD pipe 1112, the 3rd IGBT pipe 1123
The cathode of FRD pipe 1113 is connected, and high voltage the input terminal P, P as the intelligent power module 1100 generally meet 300V.
The effect of the HVIC pipe 1101 is:
VDD is the 1101 power supply anode of HVIC pipe, and GND is the power supply negative terminal of the HVIC pipe 1101；
VDD-GND voltage is generally 15V；
VB1 and VS1 is respectively the anode and cathode of the power supply of U phase higher-pressure region, and HO1 is the output end of U phase higher-pressure region；
VB2 and VS2 is respectively the anode and cathode of the power supply of V phase higher-pressure region, and HO2 is the output end of V phase higher-pressure region；
VB3 and VS3 is respectively the anode and cathode of the power supply of U phase higher-pressure region, and HO3 is the output end of W phase higher-pressure region；
LO1, LO2, LO3 be respectively U phase, V phase, W phase low-pressure area output end；
PFCO is the output end of PFC driving circuit；
The logic input signal of the 0 of input terminal HIN1, HIN2, HIN3 or 5V are passed into output end HO1, HO2, HO3 respectively,
The signal of LIN1, LIN2, LIN3 pass to output end LO1, LO2, LO3 respectively, and the signal of PFCINP passes to output end PFCO, wherein
It is the logic output signal of VS2 or VS2+15V, HO3 is VS3 or VS3 that HO1, which is the logic output signal of VS1 or VS1+15V, HO2,
The logic output signal of+15V, LO1, LO2, LO3, PFCO are the logic output signals of 0 or 15V.
And the effect of the adaptive circuit 1105 is:
When the intelligent power module 1100 not yet powers on, the first output end of the adaptive circuit 1105, second
Output end, third output end, the 4th output end, the 5th output end, the 6th output end, the 7th output end generate electrical connection and to electricity
Source is in forward diode state, is in backward dioded state to the end GND, and defeated with the first of the adaptive circuit 1105
Enter the signal at end, the second input terminal, third input terminal, the 4th input terminal, the 5th input terminal, the 6th input terminal, the 7th input terminal
It is unrelated；
After the intelligent power module 1100 powers on, the signal of the first output end of the adaptive circuit 1105 and institute
State the same phase of signal of the first input end of adaptive circuit 1105, the signal of the second output terminal of the adaptive circuit 1105 with
The same phase of signal of second input terminal of the adaptive circuit 1105, the signal of the third output end of the adaptive circuit 1105
With the same phase of signal of the third input terminal of the adaptive circuit 1105, the letter of the 4th output end of the adaptive circuit 1105
The same phase of signal number with the 4th input terminal of the adaptive circuit 1105, the 5th output end of the adaptive circuit 1105
The same phase of signal of signal and the 5th input terminal of the adaptive circuit 1105, the 6th output end of the adaptive circuit 1105
Signal and the 6th input terminal of the adaptive circuit 1105 the same phase of signal, the adaptive circuit 1105 the 7th output
The same phase of signal of the signal at end and the 7th input terminal of the adaptive circuit 1105.
The adaptive circuit 1105 can be the structure such as Fig. 3, as follows:
VCC connects one end of the 8th resistance 2016；
One end of the 9th resistance 2012 of another termination of 8th resistance 2016 and the positive input of voltage comparator 2015
End；
Another termination COM of 9th resistance 2012；
The anode of the negative input termination voltage source 2014 of the voltage comparator 2015；
The negative terminal of the voltage source 2014 meets COM；
The input terminal of output the first NOT gate 2010 of termination of the voltage comparator 2015；
The input terminal of output the second NOT gate 2017 of termination of first NOT gate 2010；
The output of second NOT gate 2017 terminates the control terminal of first analog switch 2001, second simulation is opened
Close the 2002 control terminal, control terminal of the third analog switch 2003, the control terminal of the 4th analog switch 2004, described
The control terminal of 5th analog switch 2005, the control terminal of the 6th analog switch 2006, the 7th analog switch 2007
Control terminal.
The first input end of the adaptive circuit 1105 is connected with one end of first resistor 2021；
The other end of the first resistor 2021 is connected with 1 selection end of the first analog switch 2001；
The fixing end of first analog switch 2001 is the first output end of the adaptive circuit 1105；
Second input terminal of the adaptive circuit 1105 is connected with one end of second resistance 2022；
The other end of the second resistance 2022 is connected with 1 selection end of the second analog switch 2002；
The fixing end of the quasi- switch 2002 of the mould second is the second output terminal of the adaptive circuit 1105；
The third input terminal of the adaptive circuit 1105 is connected with one end of 3rd resistor 2023；
The other end of the 3rd resistor 2023 is connected with 1 selection end of third analog switch 2003；
The fixing end of the third analog switch 2003 is the third output end of the adaptive circuit 1105；
4th input terminal of the adaptive circuit 1105 is connected with one end of the 4th resistance 2024；
The other end of 4th resistance 2024 is connected with 1 selection end of the 4th analog switch 2004；
The fixing end of 4th analog switch 2004 is the 4th output end of the adaptive circuit 1105；
5th input terminal of the adaptive circuit 1105 is connected with one end of the 5th resistance 2025；
The other end of 5th resistance 2025 is connected with 1 selection end of the 5th analog switch 2005；
The fixing end of 5th analog switch 2005 is the 5th output end of the adaptive circuit 1105；
6th input terminal of the adaptive circuit 1105 is connected with one end of the 6th resistance 2026；
The other end of 6th resistance 2026 is connected with 1 selection end of the 6th analog switch 2006；
The fixing end of 6th analog switch 2006 is the 6th output end of the adaptive circuit 1105；
7th input terminal of the adaptive circuit 1105 is connected with one end of the 7th resistance 2027；
The other end of 7th resistance 2027 is connected with 1 selection end of the 7th analog switch 2007；
The fixing end of 7th analog switch 2007 is the 7th output end of the adaptive circuit 1105；
0 selection end of first analog switch 2001, the 0 of second analog switch 2002 select end, the third
0 choosing at the 0 selection end, the 0 selection end, the 5th analog switch 2005 of the 4th analog switch 2004 of analog switch 2003
Select end, the 6th analog switch 2006 0 selection end, the 7th analog switch 2007 0 selection end be connected and connect first
The cathode of diode 2011, the anode of the second diode 2013 are connected；
The anode of the first diode 2011 meets GND；
The cathode of second diode 2013 meets VCC.
8th resistance 2016 and the 9th resistance 2012, which are contemplated that, selects resistance value for the resistance of 30k Ω, the electricity
Potential source 2014 is it is contemplated that be designed as 5.5V ± 1V；Then VCC is fully powered up reach 15V or so before, the voltage comparator 2015
Low level is exported, so that second NOT gate 2017 exports low level, the low level of second NOT gate 2017 makes described adaptive
Answer the first output end, second output terminal, third output end, the 4th output end, the 5th output end, the 6th output of circuit 1105
End, the 7th output end are connected with the first diode 2011 and second diode 2013 simultaneously, the first diode
2011 and second diode 2013 may be designed as the BASE diode of 50 μm of 50 μ m of square area；It is fully powered up in VCC
After reaching 15V or so, the voltage comparator 2015 exports high level, so that second NOT gate 2017 exports high level, from
And the first output end of the adaptive circuit 1105 is made to pass through the first resistor 2021 and the adaptive circuit 1105
First input end be connected, make the second output terminal of the adaptive circuit 1105 by the second resistance 2022 with it is described adaptive
It answers the second input terminal of circuit 1105 to be connected, the third output end of the adaptive circuit 1105 is made to pass through the 3rd resistor
2023 are connected with the third input terminal of the adaptive circuit 1105, pass through the 4th output end of the adaptive circuit 1105
4th resistance 2024 is connected with the 4th input terminal of the adaptive circuit 1105, makes the of the adaptive circuit 1105
Five output ends are connected by the 5th resistance 2025 with the 5th input terminal of the adaptive circuit 1105, are made described adaptive
6th output end of circuit 1105 is connected by the 6th resistance 2026 with the 6th input terminal of the adaptive circuit 1105,
Here, the first resistor 2021, the second resistance 2022, the 3rd resistor 2023, the 4th resistance 2024, described
5th resistance 2025, the 6th resistance 2026 make the of the adaptive circuit 1105 it is contemplated that is designed as 100 Ω or so
Seven output ends are connected by the 7th resistance 2027 with the 7th input terminal of the adaptive circuit 1105, the 7th resistance
2027 resistance value is contemplated that the half for being designed as 2026 resistance value of the 6th resistance, i.e. 50 Ω.
The above is merely preferred embodiments of the present invention, be not intended to restrict the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (5)
1. a kind of intelligent power module of adaptive antistatic enhancing characterized by comprising
HVIC manages (1101)；
The first IGBT pipe (1121), the 2nd IGBT pipe (1122), the 3rd IGBT connecting respectively with HVIC pipe (1101) are managed
(1123), the 4th IGBT manages (1124), the 5th IGBT pipe (1125), the 6th IGBT pipe (1126) and the 7th IGBT pipe (1127)；
And adaptive circuit (1105)；
Wherein, the end HO1 that HVIC manages (1101) is connected with the first input end of adaptive circuit (1105), adaptive circuit
(1105) the first output end is connected with the grid for managing (1121) of the first IGBT of bridge arm in press U phase；
The end HO2 of HVIC pipe (1101) is connected with the second input terminal of adaptive circuit (1105), adaptive circuit (1105)
Second output terminal is connected with the grid for managing (1122) of the 2nd IGBT of bridge arm in press V phase；
The end HO3 of HVIC pipe (1101) is connected with the third input terminal of adaptive circuit (1105), adaptive circuit (1105)
Third output end is connected with the grid for managing (1123) of the 3rd IGBT of bridge arm in press W phase；
The end LO1 of HVIC pipe (1101) is connected with the 4th input terminal of adaptive circuit 1105, and the of adaptive circuit (1105)
Four output ends are connected with the 4th IGBT grid for managing (1124)；
The end LO2 of HVIC pipe (1101) is connected with the 5th input terminal of adaptive circuit 1105, and the of adaptive circuit (1105)
Five output ends are connected with the 5th IGBT grid for managing (1125)；
The end LO3 of HVIC pipe (1101) is connected with the 6th input terminal of adaptive circuit (1105), adaptive circuit (1105)
6th output end is connected with the 6th IGBT grid for managing (1126)；
The end PFCO of HVIC pipe (1101) is connected with the 7th input terminal of adaptive circuit (1105), adaptive circuit (1105)
7th output end is connected with the 7th IGBT grid for managing (1127)；
Also, first diode (2011) and the second diode (2013) are additionally provided with inside adaptive circuit (1105), wherein
The anode of first diode (2011) meets GND, and the cathode of the second diode (2013) meets VCC；
Wherein, adaptive circuit (1105) is internally provided with the 8th resistance (2016), the 9th resistance (2012), voltage comparator
(2015), the first NOT gate (2010), the second NOT gate (2017), first resistor (2021), second resistance (2022), 3rd resistor
(2023), the 4th resistance (2024), the 5th resistance (2025), the 6th resistance (2026), the 7th resistance (2027) and the first mould
Quasi- switch (2001), the second analog switch (2002), third analog switch (2003), the 4th analog switch (2004), the 5th mould
Quasi- switch (2005), the 6th analog switch (2006) and the 7th analog switch (2007)；
Wherein；8th resistance (2016) one terminates VCC, the 8th resistance (2016) the 9th resistance (2012) of another termination and voltage ratio
Compared with device (2015)；The output of voltage comparator (2015) terminates the first NOT gate (2010), the output termination of the first NOT gate (2010)
The input terminal of second NOT gate (2017)；The output end of second NOT gate (2017) connects the control of the first analog switch (2001) respectively
End, the control terminal of the second analog switch (2002), the control terminal of third analog switch (2003), the 4th analog switch (2004)
Control terminal, the control terminal of the 5th analog switch (2005), the control terminal and the 7th analog switch of the 6th analog switch (2006)
(2007) control terminal；
The first input end of adaptive circuit (1105) is connected with one end of first resistor (2021), adaptive circuit (1105)
Second input terminal is connected with the one end of second resistance (2022), the third input terminal and 3rd resistor of adaptive circuit (1105)
(2023) one end is connected, and the 4th input terminal of adaptive circuit (1105) is connected with one end of the 4th resistance (2024), adaptive
The 5th input terminal of circuit (1105) is answered to be connected with one end of the 5th resistance (2025), the 6th input of adaptive circuit (1105)
End is connected with one end of the 6th resistance (2026), and the one of the 7th input terminal of adaptive circuit (1105) and the 7th resistance (2027)
End is connected；
Also, the fixing end of the first analog switch (2001) is first output end of adaptive circuit (1105), and the second simulation is opened
The fixing end for closing (2002) is the second output terminal of adaptive circuit (1105), and the fixing end of third analog switch (2003) is certainly
The third output end of adaptive circuit (1105), the fixing end of the 4th analog switch (2004) are the 4th of adaptive circuit (1105) the
Output end, the fixing end of the 5th analog switch (2005) are the 5th output end of adaptive circuit (1105), the 6th analog switch
(2006) fixing end is the 6th output end of adaptive circuit (1105), and the fixing end of the 7th analog switch (2007) is adaptive
Answer the 7th output end of circuit (1105)；
Also, 0 selection end of the first analog switch (2001), the 0 of the second analog switch (2002) select end, third analog switch
(2003) the 0 selection end at 0 selection end, the 4th analog switch (2004), the 0 of the 5th analog switch (2005) selects end, the 6th
0 selection end of analog switch (2006), 0 selection end of the 7th analog switch (2007) are connected and connect first diode (2011)
Cathode, the anode of the second diode (2013) are connected.
2. intelligent power module according to claim 1, which is characterized in that when it is not yet powered on, adaptive circuit
(1105) the first output end, second output terminal, third output end, the 4th output end, the 5th output end, the 6th output end,
Seven output ends, which generate to be electrically connected, is simultaneously presented high-impedance state, and with the first input end of adaptive circuit (1105), the second input terminal,
Third input terminal, the 4th input terminal, the 5th input terminal, the 6th input terminal, the signal of the 7th input terminal are unrelated.
3. intelligent power module according to claim 1, which is characterized in that after its electricity, adaptive circuit (1105)
The same phase of signal of the signal of first output end and the first input end of adaptive circuit (1105), the of adaptive circuit (1105)
The same phase of signal of the signal of two output ends and the second input terminal of the adaptive circuit (1105), adaptive circuit (1105)
The same phase of signal of the signal of third output end and the third input terminal of adaptive circuit (1105), the 4th of adaptive circuit 1105 the
The same phase of signal of the signal of output end and the 4th input terminal of adaptive circuit (1105), the 5th of adaptive circuit (1105) are defeated
The same phase of signal of the signal of outlet and the 5th input terminal of adaptive circuit (1105), the 6th output of adaptive circuit (1105)
The same phase of signal of the signal at end and the 6th input terminal of adaptive circuit (1105), the 7th output end of adaptive circuit (1105)
Signal and the 7th input terminal of adaptive circuit (1105) the same phase of signal.
4. intelligent power module according to claim 1, which is characterized in that the 8th resistance (2016) and the 9th resistance
(2012) select resistance value for the resistance of 30k Ω.
5. intelligent power module according to claim 1, which is characterized in that first resistor (2021), second resistance
(2022), 3rd resistor (2023), the 4th resistance (2024), the 5th resistance (2025), the 6th resistance (2026) resistance value be 100
Ω makes the 7th output end of adaptive circuit (1105) pass through the 7th defeated of the 7th resistance (2027) and adaptive circuit (1105)
Enter end to be connected, the resistance value of the 7th resistance (2027) is 50 Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610347405.1A CN105896954B (en) | 2016-05-24 | 2016-05-24 | A kind of intelligent power module of adaptive antistatic enhancing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610347405.1A CN105896954B (en) | 2016-05-24 | 2016-05-24 | A kind of intelligent power module of adaptive antistatic enhancing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105896954A CN105896954A (en) | 2016-08-24 |
| CN105896954B true CN105896954B (en) | 2019-06-07 |
Family
ID=56716548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610347405.1A Active CN105896954B (en) | 2016-05-24 | 2016-05-24 | A kind of intelligent power module of adaptive antistatic enhancing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105896954B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2334633B (en) * | 1998-02-21 | 2002-09-25 | Mitel Corp | Low leakage electrostatic discharge protection system |
| TW463362B (en) * | 1999-01-19 | 2001-11-11 | Seiko Epson Corp | Electrostatic protection circuit and semiconductor integrated circuit using the same |
| CN203722218U (en) * | 2014-01-02 | 2014-07-16 | 广东美的制冷设备有限公司 | Electrostatic protection device, intelligent power module and variable frequency household appliance |
| CN104767181B (en) * | 2014-01-02 | 2018-03-27 | 广东美的制冷设备有限公司 | Electrostatic protection device, SPM and frequency-conversion domestic electric appliances |
| CN105577016B (en) * | 2016-03-04 | 2017-12-19 | 广东美的制冷设备有限公司 | SPM and air conditioner |
| CN205792214U (en) * | 2016-05-24 | 2016-12-07 | 深圳市鑫宇鹏电子科技有限公司 | The SPM that a kind of self adaptation antistatic strengthens |
-
2016
- 2016-05-24 CN CN201610347405.1A patent/CN105896954B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105896954A (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105322822B (en) | SPM and air conditioner | |
| CN105356785B (en) | SPM and air conditioner | |
| CN105207512B (en) | SPM and air conditioner | |
| CN105356786B (en) | SPM and air conditioner | |
| CN103606901B (en) | Electrostatic protection device, intelligent power module and frequency conversion household appliance | |
| CN103795248B (en) | Power control circuit and SPM, frequency-conversion domestic electric appliances | |
| CN205792214U (en) | The SPM that a kind of self adaptation antistatic strengthens | |
| CN105790565B (en) | SPM and air conditioner | |
| CN105577016B (en) | SPM and air conditioner | |
| CN205453535U (en) | Intelligence power module and air conditioner | |
| CN205453539U (en) | Intelligence power module and air conditioner | |
| CN105577017B (en) | SPM and air conditioner | |
| CN105207513B (en) | SPM and air conditioner | |
| CN105896954B (en) | A kind of intelligent power module of adaptive antistatic enhancing | |
| CN205792215U (en) | A kind of self adaptation antistatic strengthens the SPM of protection | |
| CN107294362B (en) | Intelligent power module | |
| CN203747394U (en) | Static protection device, intelligent power module and variable frequency household electrical appliance | |
| CN205792216U (en) | The SPM that a kind of antistatic of sampling strengthens | |
| CN205453538U (en) | Intelligence power module and air conditioner | |
| CN104821705B (en) | Intelligent power module circuit and air conditioner | |
| CN205792230U (en) | SPM and air-conditioner | |
| CN105790562B (en) | A kind of intelligent power module sampling antistatic enhancing | |
| CN205123615U (en) | Intelligence power module and air conditioner | |
| CN205792217U (en) | A kind of antistatic of sampling strengthens the SPM of protection | |
| CN105577019B (en) | SPM and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |