CN203933363U - Three-phase bridge drive type intelligent power model and air conditioner - Google Patents
Three-phase bridge drive type intelligent power model and air conditioner Download PDFInfo
- Publication number
- CN203933363U CN203933363U CN201420344200.4U CN201420344200U CN203933363U CN 203933363 U CN203933363 U CN 203933363U CN 201420344200 U CN201420344200 U CN 201420344200U CN 203933363 U CN203933363 U CN 203933363U
- Authority
- CN
- China
- Prior art keywords
- power device
- driving
- voltage side
- control
- low
- 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.)
- Expired - Lifetime
Links
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 23
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000002955 isolation Methods 0.000 description 6
- 102100027206 CD2 antigen cytoplasmic tail-binding protein 2 Human genes 0.000 description 4
- 101100181929 Caenorhabditis elegans lin-3 gene Proteins 0.000 description 4
- 101000914505 Homo sapiens CD2 antigen cytoplasmic tail-binding protein 2 Proteins 0.000 description 4
- 101000922137 Homo sapiens Peripheral plasma membrane protein CASK Proteins 0.000 description 4
- 101000739160 Homo sapiens Secretoglobin family 3A member 1 Proteins 0.000 description 4
- 102100031166 Peripheral plasma membrane protein CASK Human genes 0.000 description 4
- 102100037268 Secretoglobin family 3A member 1 Human genes 0.000 description 4
- 101150011213 uvs-1 gene Proteins 0.000 description 4
- 102100039435 C-X-C motif chemokine 17 Human genes 0.000 description 3
- 101000889048 Homo sapiens C-X-C motif chemokine 17 Proteins 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 239000012084 conversion product Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Inverter Devices (AREA)
Abstract
The utility model discloses a kind of three-phase bridge drive type intelligent power model, this Intelligent Power Module comprises that driving chip is controlled in operating voltage input, high-pressure side, low-pressure side is controlled and driven chip, high-pressure side power device and low-pressure side power device; Wherein, high-pressure side is controlled and is driven chip and low-pressure side control to drive the control input end of chip to be all connected with a MCU; High-pressure side is controlled and is driven the drive output of chip to be connected with the control end of high-pressure side power device; Low-pressure side is controlled and is driven the drive output of chip to be connected with the control end of low-pressure side power device; High-pressure side is controlled and is driven the power input of chip and low-pressure side control to drive the power input of chip to be all connected with operating voltage input.The invention also discloses a kind of air conditioner.The utility model can improve the reliability of three-phase bridge drive type intelligent power model, reduces manufacturing cost; Meanwhile, the utility model also has advantages of easily manufactured and to produce yield high.
Description
Technical Field
The utility model relates to the field of electronic technology, in particular to three-phase bridge type drive formula intelligent power module and air conditioner.
Background
An intelligent Power module, i.e. an ipm (intelligent Power module), is a commonly used module in the field of motor driving, a bridge driver chip in the intelligent Power module is generally a half-bridge driver chip, a full-bridge driver chip or a three-phase bridge driver chip, two half-bridge driver chips can be combined into a full-bridge driver chip, and three full-bridge driver chips can be combined into a three-phase bridge driver chip. The three-phase bridge type driving chip is often used for frequency conversion products of three-phase motors such as fans, frequency conversion air conditioners, frequency conversion washing machines, frequency conversion microwave ovens and automobile drivers, and achieves the effects of energy conservation and emission reduction of the products. Therefore, it is very important to research and produce power intelligent modules with high reliability and low cost.
Fig. 1 is a schematic circuit diagram of an embodiment of a three-phase bridge-type driving smart power module in the prior art. Referring to fig. 1, the smart power module includes a three-phase bridge driving integrated chip 10 (also referred to as a gate driving chip), a first power device 20, a second power device 30, a third power device 40, a fourth power device 50, a fifth power device 60, a sixth power device 70, a freewheeling diode 101, a freewheeling diode 102, a freewheeling diode 103, a freewheeling diode 104, a freewheeling diode 105 and a freewheeling diode 106. The first power device 20, the second power device 30 and the third power device 40 are high-voltage side power devices; the fourth power device 50, the fifth power device 60 and the sixth power device 70 are low-voltage side power devices; the freewheeling diode 101 is connected between the current input terminal and the current output terminal of the first power device 20, the freewheeling diode 102 is connected between the current input terminal and the current output terminal of the first power device 30, the freewheeling diode 103 is connected between the current input terminal and the current output terminal of the first power device 40, the freewheeling diode 104 is connected between the current input terminal and the current output terminal of the first power device 50, the freewheeling diode 105 is connected between the current input terminal and the current output terminal of the first power device 60, and the freewheeling diode 106 is connected between the current input terminal and the current output terminal of the first power device 70 (the cathode of each freewheeling diode is connected to the current input terminal of its corresponding power device, and the anode of each freewheeling diode is connected to the current output terminal of its corresponding power device). The three-phase bridge driving integrated chip 10 includes a high-voltage side driving module 11, a level conversion module 12 and a low-voltage side driving module 13. The high-voltage side driving module 11 includes driving signal output terminals HO1, HO2 and HO3, the driving signal output by the driving signal output terminal HO1 is used for driving the switching operation of the first power device 20, the driving signal output by the driving signal output terminal HO2 is used for driving the switching operation of the second power device 30, and the driving signal output by the driving signal output terminal HO3 is used for driving the switching operation of the third power device 40; the level conversion module 12 is configured to convert a low-voltage control signal of the low-voltage side driving module 13 into a high-voltage control signal and transmit the high-voltage control signal to the high-voltage side driving module 11. The low-voltage side driver module 13 includes driving signal output terminals LO1, LO2, and LO3, the driving signal output by the driving signal output terminal LO1 is used to drive the fourth power device 50 to perform a switching operation, the driving signal output by the driving signal output terminal LO2 is used to drive the fifth power device 60 to perform a switching operation, and the driving signal output by the driving signal output terminal LO3 is used to drive the sixth power device 70 to perform a switching operation; in fig. 1, the first power module 20, the second power module 30, the third power module 40, the fourth power module 50, the fifth power module 60, and the sixth power module 70 may be IGBT (Insulated gate bipolar Transistor), MOSFET (metal oxide semiconductor field effect Transistor), or a thyristor. The current input end of the first power module 20 is connected with the highest voltage point input end P, and the current output end thereof is connected with the negative end UVS of the U-phase high-voltage area power supply; the current input end of the second power module 30 is connected with the highest voltage point input end P, and the current output end thereof is connected with the negative end VVS of the V-phase high-voltage region power supply; the current input end of the third power module 40 is connected with the highest voltage point input end P, and the current output end thereof is connected with the negative end WVS of the W-phase high-voltage area power supply; the current input end of the fourth power module 50 is connected with the negative end UVS of the power supply of the U-phase high-voltage area, and the current output end of the fourth power module is grounded through a resistor R; the current input end of the fifth power module 60 is connected with the negative end VVS of the V-phase high-voltage region power supply, and the current output end thereof is grounded through a resistor R; the current input terminal of the sixth power module 70 is connected to the negative terminal WVS of the W-phase high-voltage region power supply, and the current output terminal thereof is grounded via the resistor R. When each power module is an IGBT tube, a gate electrode of the IGBT tube is a control end, a collector electrode of the IGBT tube is a current input end, and an emitter electrode of the IGBT tube is a current output end; when each power module is an MOS tube, the grid electrode of the MOS tube is a control end, the drain electrode of the MOS tube is a current input end, and the source electrode of the MOS tube is a current output end; when each power module is a thyristor, the gate pole of the thyristor is a control end, the anode of the thyristor is a current input end, and the cathode of the thyristor is a current output end.
The smart power module shown in fig. 1 is generally formed by integrating a three-phase bridge driving integrated chip 10, a first power device 20, a second power device 30, a third power device 40, a fourth power device 50, a fifth power device 60, a sixth power device 70, a freewheeling diode 101, a freewheeling diode 102, a freewheeling diode 103, a freewheeling diode 104, a freewheeling diode 105 and a freewheeling diode 106 into one module by using a power module integration method, which has the following disadvantages: in the manufacturing of the intelligent power module, because the area of each power device is large and the heating value of each power device is large when working, the space between each power device is often required to be large when each power device is assembled, and the area of the three-phase bridge type driving integrated chip 10 is very small relative to each power device, so that the metal connecting wire from the three-phase bridge type driving integrated chip 10 to each power device is very long, and a PCB plate with high heat conductivity is required to be adopted when packaging; secondly, as the metal connecting wires from the three-phase bridge type driving integrated chip 10 to each power device are long, signal interference is easy to generate, so that the reliability of the intelligent power module shown in fig. 1 is not high; the manufacturing cost of the three-phase bridge driving integrated chip 10 is influenced by the process manufacturing technology, and the three-phase bridge driving integrated chip 10 needs to work under a high-voltage condition, so that when the three-phase bridge driving integrated chip 10 is manufactured, a high-voltage isolation manufacturing process needs to be integrated into a common CMOS (complementary metal oxide semiconductor) process, and a high-voltage side driving module 11 and a low-voltage side driving module 13 are isolated by the common high-voltage isolation manufacturing process; fourth, the area of the three-phase bridge driving ic 10 is large, which is not beneficial to add other functions, such as more protection circuits or detection circuits, etc., since the chip area will be larger, the yield of the product will be reduced, and the production cost will also increase.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main objective improves three-phase bridge type drive formula intelligent power module's reliability and reduce cost.
The utility model provides a three-phase bridge type driving intelligent power module, which comprises a working voltage input end, a high-pressure side control driving chip, a low-pressure side control driving chip, a high-pressure side power device and a low-pressure side power device; wherein,
the power supply input end of the high-voltage side control driving chip and the power supply input end of the low-voltage side control driving chip are both connected with the working voltage input end; the control input ends of the high-voltage side control driving chip and the low-voltage side control driving chip are connected with the MCU; the driving output end of the high-voltage side control driving chip is connected with the control end of the high-voltage side power device; and the driving output end of the low-voltage side control driving chip is connected with the control end of the low-voltage side power device.
Preferably, the high-side control driving chip includes a first control input terminal, a second control input terminal, a third control input terminal, a first driving output terminal, a second driving output terminal, a third driving output terminal, a high-side driving module for controlling a switching action of the high-side power device, and a level conversion module for converting a low-voltage control signal in the low-side control driving chip into a high-voltage control signal and outputting the high-voltage control signal to the high-side driving module; wherein,
the high-voltage side driving module comprises a first input end, a second input end, a third input end, a first path of output end, a second output end and a third output end; a first input end of the high-voltage side driving module is connected with the first control input end, a second input end of the high-voltage side driving module is connected with the second control input end, and a third input end of the high-voltage side driving module is connected with the third control input end; a first output end of the high-voltage side driving module is connected with the first driving output end, a second output end of the high-voltage side driving module is connected with the second driving output end, and a third output end of the high-voltage side driving module is connected with the third driving output end; the input end of the level conversion module is connected with the low-voltage side control driving chip, and the output end of the level conversion module is connected with the high-voltage side driving module.
Preferably, the low-voltage side control driving chip includes a fourth control input end, a fifth control input end, a sixth control input end, a fourth driving output end, a fifth driving output end, a sixth driving output end, a detection signal input end, a fault prompt output end, a low-voltage side driving module for controlling the switching action of the low-voltage side power device, and a protection module for controlling the low-voltage side control driving chip to output a driving signal and a fault prompt signal; wherein,
the low-voltage side driving module comprises a fourth input end, a fifth input end, a sixth input end, a fourth output end, a fifth output end and a sixth output end; a fourth input end of the low-voltage side driving module is connected with the fourth control input end, a fifth input end of the low-voltage side driving module is connected with the fifth control input end, and a sixth input end of the low-voltage side driving module is connected with the sixth control input end; a fourth output end of the low-voltage side driving module is connected with the fourth driving output end, a fifth output end of the low-voltage side driving module is connected with the fifth driving output end, and a sixth output end of the low-voltage side driving module is connected with the sixth driving output end; the input end of the protection module is connected with the detection signal input end, and the output end of the protection module is connected with the fault prompt output end.
Preferably, the high-voltage side power device comprises a first power device, a second power device and a third power device; wherein,
the first driving output end in the high-voltage side control driving chip is connected with the control end of the first power device; the second driving output end in the high-voltage side control driving chip is connected with the control end of the second power device; and the third driving output end in the high-voltage side control driving chip is connected with the control end of the third power device.
Preferably, the low-voltage side power device comprises a fourth power device, a fifth power device and a sixth power device; wherein,
the fourth driving output end in the low-voltage side control driving chip is connected with the control end of the fourth power device; the fifth driving output end in the low-voltage side control driving chip is connected with the control end of the fifth power device; and the sixth driving output end in the low-voltage side control driving chip is connected with the control end of the sixth power device.
Preferably, the intelligent power module further includes a first freewheeling diode, a second freewheeling diode, a third freewheeling diode, a fourth freewheeling diode, a fifth freewheeling diode, and a sixth freewheeling diode; wherein,
the cathode of the first freewheeling diode is connected with the current input end of the first power device, and the anode of the first freewheeling diode is connected with the current output end of the first power device; the cathode of the second freewheeling diode is connected with the current input end of the second power device, and the anode of the second freewheeling diode is connected with the current output end of the second power device; the cathode of the third freewheeling diode is connected with the current input end of the third power device, and the anode of the third freewheeling diode is connected with the current output end of the third power device; the cathode of the fourth freewheeling diode is connected with the current input end of the fourth power device, and the anode of the fourth freewheeling diode is connected with the current output end of the fourth power device; the cathode of the fifth freewheeling diode is connected with the current input end of the fifth power device, and the anode of the fifth freewheeling diode is connected with the current output end of the fifth power device; and the cathode of the sixth freewheeling diode is connected with the current input end of the sixth power device, and the anode of the sixth freewheeling diode is connected with the current output end of the sixth power device.
In order to achieve the above object, the present invention further provides an air conditioner, which comprises a three-phase bridge-type driving intelligent power module, wherein the three-phase bridge-type driving intelligent power module comprises a working voltage input end, a high-voltage side control driving chip, a low-voltage side control driving chip, a high-voltage side power device and a low-voltage side power device; wherein,
the power supply input end of the high-voltage side control driving chip and the power supply input end of the low-voltage side control driving chip are both connected with the working voltage input end; the control input ends of the high-voltage side control driving chip and the low-voltage side control driving chip are connected with the MCU; the driving output end of the high-voltage side control driving chip is connected with the control end of the high-voltage side power device; and the driving output end of the low-voltage side control driving chip is connected with the control end of the low-voltage side power device.
The utility model provides a three-phase bridge type driving intelligent power module, which comprises a working voltage input end, a high-voltage side control driving chip, a low-voltage side control driving chip, a high-voltage side power device and a low-voltage side power device; the power input end of the high-voltage side control driving chip and the power input end of the low-voltage side control driving chip are both connected with the working voltage input end; the control input ends of the high-voltage side control driving chip and the low-voltage side control driving chip are connected with an MCU; the driving output end of the high-voltage side control driving chip is connected with the control end of the high-voltage side power device; and the driving output end of the low-voltage side control driving chip is connected with the control end of the low-voltage side power device. The utility model provides an intelligent power module has improved the reliability, the cost is reduced; and simultaneously, the utility model discloses still have the advantage that the manufacturing is convenient and the production yield is high.
Drawings
Fig. 1 is a schematic circuit diagram of an embodiment of a three-phase bridge-driven smart power module in the prior art;
fig. 2 is a block diagram of an embodiment of the three-phase bridge driven smart power module of the present invention;
fig. 3 is a schematic circuit diagram of an embodiment of the three-phase bridge-driven smart power module of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides a three-phase bridge formula drive formula intelligent power module.
Referring to fig. 2, fig. 2 is a block diagram of an embodiment of the three-phase bridge-driven smart power module according to the present invention.
In an embodiment, the three-phase bridge-driven smart power module includes an operating voltage input terminal 400, a high-side control driving chip 200, a low-side control driving chip 300, a high-side power device 80, and a low-side power device 90.
The high-voltage side power device 80 includes a first power device 81, a second power device 82, and a third power device 83; the low-voltage side power device 90 includes a fourth power device 91, a fifth power device 92 and a sixth power device 93;
the high-voltage side control driving chip 200 comprises a power input terminal VCC1, a first control input terminal HIN1, a second control input terminal HIN2, a third control input terminal HIN3, a first driving output terminal HO1, a second driving output terminal HO2 and a third driving output terminal HO 3; the high-side control driving chip 200 further includes a high-side driving module 201 for controlling the switching action of the high-side power device 80, and a level converting module 202 for converting the low-voltage control signal in the low-side control driving chip 300 into a high-voltage control signal and outputting the high-voltage control signal to the high-side driving module 201;
the low-voltage side control driving chip 300 comprises a power supply input terminal VCC2, a fourth control input terminal LIN1, a fifth control input terminal LIN2, a sixth control input terminal LIN3, a fourth driving output terminal LO1, a fifth driving output terminal LO2, a sixth driving output terminal LO3, a first detection signal input terminal IN1, a second detection signal input terminal IN2, a third detection signal input terminal IN3, a first fault prompt output terminal OUT1, a second fault prompt output terminal OUT2 and a third fault prompt output terminal OUT 3; the low-voltage side control driving chip 300 further includes a low-voltage side driving module 301 for controlling the switching operation of the low-voltage side power device 90, and a protection module 302 for controlling the low-voltage side control driving chip 300 to output a driving signal and a fault notification signal. IN this embodiment, the first detecting signal input terminal IN1 is used for inputting a current detecting signal, the second detecting signal input terminal IN2 is used for inputting a voltage detecting signal, and the third detecting signal input terminal IN3 is used for inputting a temperature detecting signal; the first fault-indicating output terminal OUT1 is configured to output an overcurrent signal, the first fault-indicating output terminal OUT2 is configured to output an overvoltage signal, and the first fault-indicating output terminal OUT3 is configured to output an overtemperature signal.
Specifically, the working voltage input terminal 400 is connected to the power input terminal VCC1 of the high-side control driver chip 200 and the power input terminal VCC2 of the low-side control driver chip 300, respectively;
the first control input terminal HIN1, the second control input terminal HIN2 and the third control input terminal HIN3 of the high-voltage side control driver chip 200 and the fourth control input terminal LIN1, the fifth control input terminal LIN2 and the sixth control input terminal LIN3 of the low-voltage side control driver chip 300 are all connected with an external MCU (not shown);
the first driving output terminal HO1 of the high-voltage side control driving chip 200 is connected with the control terminal of the first power device 81 in the high-voltage side power device 80;
the second driving output terminal HO2 in the high-voltage side control driving chip 200 is connected with the control terminal of the second power device 82 in the high-voltage side power device 80;
the third driving output terminal HO3 in the high-voltage side control driving chip 200 is connected with the control terminal of the third power device 83 in the high-voltage side power device 80;
the fourth driving output terminal LO1 in the low-voltage side control driving chip 300 is connected to the control terminal of the fourth power device 91 in the low-voltage side power device 90;
the fourth driving output terminal LO2 in the low-voltage side control driving chip 300 is connected to the control terminal of the fifth power device 92 in the low-voltage side power device 90;
the fourth driving output terminal LO1 in the low-voltage side control driving chip 300 is connected to the control terminal of the sixth power device 93 in the low-voltage side power device 90;
the high-voltage side driving module 201 includes a first input terminal, a second input terminal, a third input terminal, a first output terminal, a second output terminal, and a third output terminal. A first input end of the high-voltage side driving module 201 is connected with a first control input end HIN1, a second input end of the high-voltage side driving module 201 is connected with a second control input end HIN2, and a third input end of the high-voltage side driving module 201 is connected with a third control input end HIN 3; the first output end of the high-voltage side driving module 201 is connected with the first driving output end HO1, the second output end of the high-voltage side driving module 201 is connected with the second driving output end HO2, and the third output end of the high-voltage side driving module 201 is connected with the third driving output end HO 3; the input end of the level shift module 202 is connected to the low-voltage side control driver chip 300, and the output end of the level shift module 202 is connected to the high-voltage side driver module 201 (not shown);
the low-voltage side driving module 301 includes a fourth input terminal, a fifth input terminal, a sixth input terminal, a fourth output terminal, a fifth output terminal, and a sixth output terminal. A fourth input end of the low-voltage side driving module 301 is connected to the fourth control input end LIN1, a fifth input end of the low-voltage side driving module 301 is connected to the fifth control input end LIN2, and a sixth input end of the low-voltage side driving module 301 is connected to the sixth control input end LIN 3; a fourth output end of the low-voltage side driving module 301 is connected to the fourth driving output end LO1, a fifth output end of the low-voltage side driving module 301 is connected to the fifth driving output end LO2, and a sixth output end of the low-voltage side driving module 301 is connected to the sixth driving output end LO 3; the protection module 302 comprises a three-way input terminal and a three-way output terminal (not shown), wherein the three-way input terminal of the protection module 302 is respectively connected to the first detection signal input terminal IN1, the second detection signal input terminal IN2, and the third detection signal input terminal IN 3; the three-way output end of the protection module 302 is respectively connected to the first failure prompt output end OUT1, the second failure prompt output end OUT2 and the third failure prompt output end OUT 3;
the first driving output terminal HO1 is connected to the control terminal of the first power device 81; the second drive output terminal HO2 is connected to the control terminal of the second power device 82; the third driving output terminal HO3 is connected to the control terminal of the third power device 83; the fourth drive output terminal LO1 is connected to the control terminal of the fourth power device 91; the fifth drive output terminal LO2 is connected to the control terminal of the fifth power device 92; the sixth drive output LO3 is connected to the control terminal of the sixth power device 93.
In this embodiment, the first power device 81, the second power device 82, the third power device 83, the fourth power device 91, the fifth power device 92, and the sixth power device 93 may be IGBT tubes, MOS tubes, or thyristors.
The three-phase bridge driving type intelligent power module provided by this embodiment is obtained by re-dividing a conventional three-phase bridge driving integrated chip into a high-voltage side control driving chip 200 and a low-voltage side control driving chip 300. The high-voltage side control driving chip 200 is integrated with a high-voltage side driving module 201 and a level conversion module 202; the low-side control driver chip 300 integrates a low-side driver module 301 and a protection module 302. After the division, a complex high-voltage isolation manufacturing process technology is adopted to produce the high-voltage side control driving chip 200, a common CMOS process is adopted to produce the low-voltage side control driving chip 300 (the chips are not required to be produced by adopting the high-voltage isolation manufacturing process integrated in the common CMOS process), and then the high-voltage side control driving chip 200, the low-voltage side control driving chip 300, the first power device 81, the second power device 82, the third power device 83, the fourth power device 91, the fifth power device 92, the sixth power device 93 and six freewheeling diodes (not shown) are packaged together to form the three-phase bridge type driving intelligent power module.
The embodiment has the following advantages: firstly, the high-voltage side control driving chip 200 is produced by adopting a complex high-voltage isolation manufacturing process technology, the area of a high-voltage side driving module 201 in the high-voltage side control driving chip 200 only accounts for about one third of the area of a three-phase bridge type driving integrated chip in the prior art, and the area of a level conversion module 202 is smaller and only accounts for about one eighth of the area of the three-phase bridge type driving integrated chip in the prior art, so that the production and processing process of the high-voltage side control driving chip 200 is easier to control, and the yield is also more favorably improved; the common CMOS process is adopted to produce the low-voltage side control driving chip 300, and is simple in process, mature in technology and thin in characteristic line, so that the areas of the low-voltage side control driving chip 300 and the high-voltage side control driving chip 200 in the embodiment can be smaller, the production yield can be effectively guaranteed, and the production cost can be saved; in this embodiment, the high-side driver module 201 in the high-side controller driver chip 200 is used to drive the switching operation of the high-side power device 80, and the low-side driver module 301 in the low-side controller driver chip 300 is used to drive the switching operation of the low-side power device 90, so that when the smart power module is packaged, the lengths of the wires between the high-side driver output terminal (i.e., the first driver output terminal HO1, the second driver output terminal HO2, and the third driver output terminal HO3) and the low-side driver output terminal (i.e., the fourth driver output terminal LO1, the fifth driver output terminal LO2, and the sixth driver output terminal LO3) and the corresponding power devices can be effectively shortened, thereby greatly reducing the signal interference caused by the long wires, and improving the reliability of the smart power module.
In addition, it should be noted that, in this embodiment, the three-phase bridge-driven intelligent power module may further divide the level converting module 202 into a first level converting module, a second level converting module, and a third level converting module, wherein the first level converting module, the second level converting module, and the third level converting module respectively convert one low-voltage control signal of the three low-voltage control signals of the low-voltage side control driving chip 300 into a high-voltage control signal and output the converted high-voltage control signal to the high-voltage side driving module 201, and with this method, the level converting module 202 may be produced by only using a common high-voltage manufacturing process technology without using a complex high-voltage isolation manufacturing process technology, so as to further reduce the complexity of the process, make the production easier, and at the same time, reduce the area of the level converting module 202, thereby improving the production yield and saving the cost.
The three-phase bridge-type driving intelligent power module provided by the embodiment comprises a working voltage input end, a high-voltage side control driving chip, a low-voltage side control driving chip, a high-voltage side power device and a low-voltage side power device; the power input end of the high-voltage side control driving chip and the power input end of the low-voltage side control driving chip are both connected with the working voltage input end; the control input ends of the high-voltage side control driving chip and the low-voltage side control driving chip are connected with an external MCU; the driving output end of the high-voltage side control driving chip is connected with the control end of the high-voltage side power device; and the driving output end of the low-voltage side control driving chip is connected with the control end of the low-voltage side power device. The utility model provides an intelligent power module has improved the reliability, the cost is reduced; and simultaneously, the utility model discloses still have the advantage that the manufacturing is convenient and the production yield is high.
Referring to fig. 3, fig. 3 is a schematic circuit diagram of an embodiment of the three-phase bridge-driven smart power module of the present invention.
In one embodiment, the three-phase bridge-type driving smart power module includes an operating voltage input terminal 700, a high-side control driving chip 500, a low-side control driving chip 600, a first power device 84, a second power device 85, a third power device 86, a fourth power device 94, a fifth power device 95, a sixth power device 96, a first freewheeling diode 113, a second freewheeling diode 114, a third freewheeling diode 115, a fourth freewheeling diode 116, a fifth freewheeling diode 117, a sixth freewheeling diode 118, a maximum voltage point input terminal P1, a U-phase high-voltage region power supply negative terminal UVS1, a V-phase high-voltage region power supply negative terminal VVS1, and a W-phase high-voltage region power supply negative terminal WVS 1.
The high-voltage side control driving chip 500 includes a high-voltage side driving module 501 for controlling a switching action of the high-voltage side power device, and a level conversion module 502 for converting a low-voltage control signal in the low-voltage side control driving chip 600 into a high-voltage control signal and outputting the high-voltage control signal to the high-voltage side driving module 501, and the low-voltage side control driving chip 600 includes a low-voltage side driving module 601 for controlling a switching action of the low-voltage side power device, and a protection module 602 for controlling the low-voltage side control driving chip 600 to output a driving signal and a fault notification signal.
The first power device 84, the second power device 85, and the third power device 86 are high-voltage power devices; the fourth power device 94, the fifth power device 95, and the sixth power device 96 are low-voltage power devices. In this embodiment, each power device is an IGBT, a gate of each IGBT is a control terminal, a collector is a current input terminal, and an emitter is a current output terminal.
Specifically, the power input terminal VCC1 of the high-side control driver chip 500 and the power input terminal VCC2 of the low-side control driver chip 600 are both connected to the working voltage input terminal 700;
the protection module 602 comprises three input ends and three output ends, wherein the three input ends of the protection module 602 are respectively connected with the detection signal input end IN1, the detection signal input end IN2 and the detection signal input end IN3 IN a one-to-one correspondence manner; the three-way output ends of the protection module 602 are respectively connected with the fault prompt output end OUT1, the fault prompt output end OUT2 and the fault prompt output end OUT3 in a one-to-one correspondence manner;
the control input terminals HIN1, HIN2 and HIN3 of the high-voltage side control driver chip 500 and the control input terminals LIN1, LIN2 and LIN3 of the low-voltage side control driver chip 600 are all connected with the control output terminal of a MUC (not shown);
the driving output terminal HO1 of the high-voltage side control driving chip 500 is connected to the control terminal of the first power device 84, the driving output terminal HO2 of the high-voltage side control driving chip 500 is connected to the control terminal of the second power device 85, and the driving output terminal HO3 of the high-voltage side control driving chip 500 is connected to the control terminal of the third power device 86; the drive output terminal LO1 of the low-voltage side control driver chip 600 is connected to the control terminal of the fourth power device 94, the drive output terminal LO2 of the low-voltage side control driver chip 600 is connected to the control terminal of the fifth power device 95, and the drive output terminal LO3 of the low-voltage side control driver chip 600 is connected to the control terminal of the sixth power device 96;
the cathode of the first freewheeling diode 113 is connected to the current input terminal of the first power device 84 (i.e., to the collector of the first power device 84) and to the highest voltage point input terminal P1, and the anode of the first freewheeling diode 113 is connected to the current output terminal of the first power device 84 (i.e., to the emitter of the first power device 84) and to the U-phase high-voltage region power supply negative terminal UVS 1;
the cathode of the second freewheeling diode 114 is connected to the current input terminal of the second power device 85 (i.e., the collector of the second power device 85) and to the highest voltage point input terminal P1, and the anode of the second freewheeling diode 114 is connected to the current output terminal of the second power device 85 (i.e., to the emitter of the second power device 85) and to the V-phase high-voltage region power supply negative terminal VVS 1;
the cathode of the third freewheeling diode 115 is connected to the current input terminal of the third power device 86 (i.e., to the collector of the third power device 86) and to the highest voltage point input terminal P1, and the anode of the third freewheeling diode 115 is connected to the current output terminal of the third power device 86 (i.e., to the emitter of the third power device 86) and to the W-phase high-voltage region power supply negative terminal WVS 1;
the cathode of the fourth freewheeling diode 116 is connected to the current input terminal of the fourth power device 94 (i.e., to the collector of the fourth power device 94) and to the U-phase high-voltage region power supply negative terminal UVS1, and the anode of the fourth freewheeling diode 116 is connected to the current output terminal of the fourth power device 94 (i.e., to the emitter of the fourth power device 94) and to ground via a resistor R1;
the cathode of the fifth freewheeling diode 117 is connected to the current input terminal of the fifth power device 95 (i.e., to the collector of the fifth power device 95) and to the V-phase high-voltage region power supply negative terminal VVS1, and the anode of the fifth freewheeling diode 117 is connected to the current output terminal of the fifth power device 95 (i.e., to the emitter of the fifth power device 95) and to ground via a resistor R1;
the cathode of the sixth freewheeling diode 118 is connected to the current input terminal of the sixth power device 96 (i.e., to the collector of the sixth power device 96) and to the W-phase high-voltage region power supply negative terminal WVS1, and the anode of the sixth freewheeling diode 118 is connected to the current output terminal of the sixth power device 96 (i.e., to the emitter of the sixth power device 96) and to ground via a resistor R1. In practical application, the highest voltage point input end P1 is a bus voltage input end, the U-phase high-voltage region power supply negative end UVS1 is an a-phase connection end of the three-phase motor, the V-phase high-voltage region power supply negative end VVS1 is a B-phase connection end of the three-phase motor, and the W-phase high-voltage region power supply negative end WVS1 is a C-phase connection end of the three-phase motor.
The three-phase bridge-type driving intelligent power module provided by the embodiment comprises a working voltage input end, a high-voltage side control driving chip, a low-voltage side control driving chip, a high-voltage side power device and a low-voltage side power device; the control input ends of the high-voltage side control driving chip and the low-voltage side control driving chip are connected with an MCU; the driving output end of the high-voltage side control driving chip is connected with the control end of the high-voltage side power device; the driving output end of the low-voltage side control driving chip is connected with the control end of the low-voltage side power device; the power input end of the high-voltage side control driving chip and the power input end of the low-voltage side control driving chip are both connected with the working voltage input end. The intelligent power module provided by the embodiment can improve the reliability of the intelligent power module and reduce the generation cost of the intelligent power module; meanwhile, the embodiment also has the advantages of convenience in manufacturing and high production yield.
The utility model provides an air conditioner, this air conditioner include three-phase bridge type drive formula intelligent power module, and this three-phase bridge type drive formula intelligent power module's circuit structure can refer to above-mentioned embodiment, no longer gives unnecessary details here. It should be understood that, since the air conditioner of the present embodiment adopts the technical solution of the three-phase bridge driving type intelligent power module, the air conditioner has all the beneficial effects of the three-phase bridge driving type intelligent power module.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. A three-phase bridge type driving intelligent power module is characterized by comprising a working voltage input end, a high-voltage side control driving chip, a low-voltage side control driving chip, a high-voltage side power device and a low-voltage side power device; wherein,
the power supply input end of the high-voltage side control driving chip and the power supply input end of the low-voltage side control driving chip are both connected with the working voltage input end; the control input ends of the high-voltage side control driving chip and the low-voltage side control driving chip are connected with the MCU; the driving output end of the high-voltage side control driving chip is connected with the control end of the high-voltage side power device; and the driving output end of the low-voltage side control driving chip is connected with the control end of the low-voltage side power device.
2. The three-phase bridge-driven intelligent power module as claimed in claim 1, wherein the high-side control driver chip comprises a first control input terminal, a second control input terminal, a third control input terminal, a first driving output terminal, a second driving output terminal, a third driving output terminal, a high-side driving module for controlling the switching action of the high-side power device, and a level conversion module for converting a low-voltage control signal in the low-side control driver chip into a high-voltage control signal and outputting the high-voltage control signal to the high-side driving module; wherein,
the high-voltage side driving module comprises a first input end, a second input end, a third input end, a first path of output end, a second output end and a third output end; a first input end of the high-voltage side driving module is connected with the first control input end, a second input end of the high-voltage side driving module is connected with the second control input end, and a third input end of the high-voltage side driving module is connected with the third control input end; a first output end of the high-voltage side driving module is connected with the first driving output end, a second output end of the high-voltage side driving module is connected with the second driving output end, and a third output end of the high-voltage side driving module is connected with the third driving output end; the input end of the level conversion module is connected with the low-voltage side control driving chip, and the output end of the level conversion module is connected with the high-voltage side driving module.
3. The three-phase bridge-driven intelligent power module according to claim 2, wherein the low-side control driving chip comprises a fourth control input terminal, a fifth control input terminal, a sixth control input terminal, a fourth driving output terminal, a fifth driving output terminal, a sixth driving output terminal, a detection signal input terminal, a fault notification output terminal, a low-side driving module for controlling the switching action of the low-side power device, and a protection module for controlling the low-side control driving chip to output a driving signal and a fault notification signal; wherein,
the low-voltage side driving module comprises a fourth input end, a fifth input end, a sixth input end, a fourth output end, a fifth output end and a sixth output end; a fourth input end of the low-voltage side driving module is connected with the fourth control input end, a fifth input end of the low-voltage side driving module is connected with the fifth control input end, and a sixth input end of the low-voltage side driving module is connected with the sixth control input end; a fourth output end of the low-voltage side driving module is connected with the fourth driving output end, a fifth output end of the low-voltage side driving module is connected with the fifth driving output end, and a sixth output end of the low-voltage side driving module is connected with the sixth driving output end; the input end of the protection module is connected with the detection signal input end, and the output end of the protection module is connected with the fault prompt output end.
4. The three-phase bridge driven smart power module of claim 3, wherein the high side power device comprises a first power device, a second power device, and a third power device; wherein,
the first driving output end in the high-voltage side control driving chip is connected with the control end of the first power device; the second driving output end in the high-voltage side control driving chip is connected with the control end of the second power device; and the third driving output end in the high-voltage side control driving chip is connected with the control end of the third power device.
5. The three-phase bridge driven smart power module of claim 4, wherein the low side power devices comprise a fourth power device, a fifth power device, and a sixth power device; wherein,
the fourth driving output end in the low-voltage side control driving chip is connected with the control end of the fourth power device; the fifth driving output end in the low-voltage side control driving chip is connected with the control end of the fifth power device; and the sixth driving output end in the low-voltage side control driving chip is connected with the control end of the sixth power device.
6. The three-phase bridge driven smart power module of claim 5, further comprising a first freewheeling diode, a second freewheeling diode, a third freewheeling diode, a fourth freewheeling diode, a fifth freewheeling diode, and a sixth freewheeling diode; wherein,
the cathode of the first freewheeling diode is connected with the current input end of the first power device, and the anode of the first freewheeling diode is connected with the current output end of the first power device; the cathode of the second freewheeling diode is connected with the current input end of the second power device, and the anode of the second freewheeling diode is connected with the current output end of the second power device; the cathode of the third freewheeling diode is connected with the current input end of the third power device, and the anode of the third freewheeling diode is connected with the current output end of the third power device; the cathode of the fourth freewheeling diode is connected with the current input end of the fourth power device, and the anode of the fourth freewheeling diode is connected with the current output end of the fourth power device; the cathode of the fifth freewheeling diode is connected with the current input end of the fifth power device, and the anode of the fifth freewheeling diode is connected with the current output end of the fifth power device; and the cathode of the sixth freewheeling diode is connected with the current input end of the sixth power device, and the anode of the sixth freewheeling diode is connected with the current output end of the sixth power device.
7. The three-phase bridge driven intelligent power module according to claim 6, wherein the first power device, the second power device, the third power device, the fourth power device, the fifth power device and the sixth power device are IGBT tubes, MOS tubes or thyristors.
8. An air conditioner characterized by comprising the three-phase bridge-type driven smart power module according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344200.4U CN203933363U (en) | 2014-06-24 | 2014-06-24 | Three-phase bridge drive type intelligent power model and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420344200.4U CN203933363U (en) | 2014-06-24 | 2014-06-24 | Three-phase bridge drive type intelligent power model and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203933363U true CN203933363U (en) | 2014-11-05 |
Family
ID=51829115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420344200.4U Expired - Lifetime CN203933363U (en) | 2014-06-24 | 2014-06-24 | Three-phase bridge drive type intelligent power model and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203933363U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780066A (en) * | 2016-08-26 | 2018-03-09 | 天津市中马骏腾精密机械制造有限公司 | A kind of Intelligent sewing machine with New-type electric machine driving function |
| CN110868086A (en) * | 2019-11-28 | 2020-03-06 | 广东美的制冷设备有限公司 | Intelligent power module and air conditioner |
| CN110940069A (en) * | 2019-11-28 | 2020-03-31 | 广东美的制冷设备有限公司 | Intelligent power module and air conditioner |
-
2014
- 2014-06-24 CN CN201420344200.4U patent/CN203933363U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780066A (en) * | 2016-08-26 | 2018-03-09 | 天津市中马骏腾精密机械制造有限公司 | A kind of Intelligent sewing machine with New-type electric machine driving function |
| CN107780066B (en) * | 2016-08-26 | 2024-02-23 | 天津市中马骏腾精密机械制造有限公司 | Intelligent sewing machine with novel motor drive function |
| CN110868086A (en) * | 2019-11-28 | 2020-03-06 | 广东美的制冷设备有限公司 | Intelligent power module and air conditioner |
| CN110940069A (en) * | 2019-11-28 | 2020-03-31 | 广东美的制冷设备有限公司 | Intelligent power module and air conditioner |
| CN110940069B (en) * | 2019-11-28 | 2021-08-13 | 广东美的制冷设备有限公司 | Intelligent power module and air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204559377U (en) | Integrated power module and air conditioner | |
| CN204481715U (en) | Intelligent power module and air conditioner | |
| CN203933363U (en) | Three-phase bridge drive type intelligent power model and air conditioner | |
| CN103280950A (en) | Intelligent power module for three-phase bridge type driving | |
| CN102208865B (en) | Bridge-driven IPM (intelligent power module) circuit for three-phase electric machine | |
| CN110752788A (en) | Drive IC circuit of intelligent power module, intelligent power module and air conditioner | |
| CN213547390U (en) | Inversion driving circuit and frequency conversion device | |
| CN202167995U (en) | Intelligent power module for three-phase bridge drive | |
| CN114157288A (en) | Semiconductor circuit having a plurality of transistors | |
| EP3934076A1 (en) | Power device and electric appliance | |
| CN104627018A (en) | Electric automobile motor control system | |
| CN203933362U (en) | Intelligent power module and air conditioner | |
| CN203911735U (en) | Intelligent power module driving circuit and intelligent module | |
| CN203932060U (en) | Intelligent power module | |
| CN202085067U (en) | Intelligent power module circuit used for bridge drive of three-phase motor | |
| CN110601581A (en) | Intelligent power module, electric control device and air conditioner | |
| CN110601602A (en) | Drive IC circuit of intelligent power module, intelligent power module and air conditioner | |
| CN109585436A (en) | A kind of power module of interspersed branch's layout | |
| CN110868086B (en) | Intelligent power module and air conditioner | |
| CN110752790A (en) | Drive IC circuit of intelligent power module, intelligent power module and air conditioner | |
| CN111817548B (en) | Intelligent power module | |
| CN204179932U (en) | Intelligent power module and air conditioner | |
| CN114337465A (en) | Intelligent control module and control method thereof | |
| CN103280949B (en) | Intelligent power module for three-phase bridge type drive | |
| CN210467834U (en) | Intelligent power module and electric appliance with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |