CN209692624U - A kind of integrated motor inverter assembly - Google Patents
A kind of integrated motor inverter assembly Download PDFInfo
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- CN209692624U CN209692624U CN201920254204.6U CN201920254204U CN209692624U CN 209692624 U CN209692624 U CN 209692624U CN 201920254204 U CN201920254204 U CN 201920254204U CN 209692624 U CN209692624 U CN 209692624U
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Abstract
The utility model discloses a kind of integrated motor inverter assemblies, including main box, water inlet pipe, IGBT module, driving plate, dc-link capacitance, control panel, DC master row assembly, current sensor, alternating current bus bar assembly, top cover, high voltage direct current connector, low-voltage signal connector, pressure compensation element, winding displacement, low voltage wiring harness, interlocking harness, current sensor harness.The utility model places IGBT module, dc-link capacitance lamination, the connection of the two busbar side, discharge resistance is integrated on control panel, dc-link capacitance busbar is external, there is cooling pad below the DC master row being connected with bus capacitor, pass through entire General Layout Design, so that inverter assembly and motor share water channel, inverter ac busbar leading-out terminal is close to motor three-phase terminal, inverter and motor can be made radially integrated, the connection water pipe between high-voltage alternating connector and motor and inverter is saved, cost is reduced, saves vehicle space.
Description
Technical field
The utility model belongs to inverter field, in particular to a kind of integrated motor inverter assembly.
Background technique
With the development of electric car, the requirement to inverter is higher and higher, and inverter facing challenges are increasing, and one
The competitive inverter of money, should high power, covering is wide, small in size again, carries convenient for vehicle, while also will be in cost
It is advantageous.And in the prior art, it is difficult have the inverter for taking into account several advantages.
Summary of the invention
For the deficiency of above-mentioned prior art, the purpose of the utility model is to provide a kind of integrated motor inverters
Assembly, inverter and motor are integrated, carry convenient for vehicle, while but also with small in size, power is high, at low cost, assembling capacity is good
The advantages that.
The utility model solves technical problem and adopts the following technical scheme that
A kind of integrated motor inverter assembly, which is characterized in that including main box, water inlet pipe, IGBT module, driving
Plate, dc-link capacitance, control panel, DC master row assembly, current sensor, alternating current bus bar assembly, top cover, high voltage direct current patch
Part, low-voltage signal connector, pressure compensation element, winding displacement, low voltage wiring harness, interlocking harness, current sensor harness；
The IGBT module is placed on main box, and IGBT module intake-outlet and main box intake-outlet are tightly connected；
Driving plate is fixed in IGBT module, and IGBT module pin and driving plate are welded；
Dc-link capacitance is placed on above IGBT module and driving plate and is fixed on main box；Control panel is fixed on directly
It flows above bus capacitor；
DC master row assembly is placed on the DC side of IGBT module and is fixed on main box, DC master row one end and IGBT
Module is connected with dc-link capacitance busbar, and the other end is connect with high voltage direct current connector；Alternating current bus bar assembly is placed on IGBT
The exchange side of module is simultaneously fixed on main box, and alternating current bus bar passes through current sensor, and one end and IGBT module alternating current bus bar connect
It connects, the other end is connect with motor three-phase bus bar；
High voltage direct current connector and low-voltage signal connector are fixed on main box；Driving plate and control partitioned signal pass through row
Line connection, low-voltage signal connector are connected with control panel by low voltage wiring harness, and the interlocking harness on high voltage direct current connector is inserted into
On control panel, current sensor harness is inserted into driving plate；
Top cover is sealedly and fixedly connected with main box.
A kind of integrated motor inverter assembly, main box die cast are provided with water channel, water inlet pipe interference pressure
Enter to water channel water inlet, water channel water outlet is connected with motor water channel water inlet, and there are two sealing rings on water channel water outlet, guarantees inverse
The leakproofness for becoming water route between device and motor is good, and the main box water channel intake-outlet other end and IGBT module intake-outlet connect
It connects, is sealed by O-ring therebetween.Such water channel arrangement, can make inverter and motor share water channel, realize inverter
Integrated with the radial direction of motor, can also be pressed into an outlet pipe again is used alone inverter.
A kind of integrated motor inverter assembly, main tank body side surface have 6 threaded holes, total in assembly DC master row
When at, 6 screws in side of IGBT module, dc-link capacitance busbar, operated by this 6 threaded holes, assembly is completed
It is sealed afterwards with screw plug, reduces operating space in this way, so that structure is more compact, be convenient for vehicle general arrangement.
A kind of integrated motor inverter assembly, dc-link capacitance is thin-film capacitor, and capacitor is gone out using unilateral side
The mode of busbar, side goes out 6 busbars side by side, while connecting with IGBT module and DC master row assembly, forms external busbar, electricity
It is smaller to hold fever, more securely and reliably, parasitic inductance can be avoided excessive positive and negative anodes busbar stack-design；6 busbars are ipsilateral same
When stretch out 2 single u-shaped busbars；9 fixed columns are stretched out above dc-link capacitance.
A kind of integrated motor inverter assembly, DC master row assembly include positive busbar, cathode bus bar, ground connection
Busbar, ambroin shell, left Y capacitance, right Y capacitance；Positive busbar and cathode bus bar lamination are arranged, with high voltage direct current connector
One end circular hole of connection has been pressed nut, is grounded busbar and positive and negative anodes busbar is placed side by side, have a hole and main box to pass through screw
Connection, three busbars have and Y capacitance welded structure；Y capacitance is first fixed on ambroin shell with glue, and the 2 of left Y capacitance
A stitch is welded with positive busbar and ground connection busbar respectively, and 2 stitch of right Y capacitance are welded with cathode bus bar and ground connection busbar respectively
It connects, Y capacitance plays the role of inhibiting common mode interference, keeps the Electro Magnetic Compatibility of inverter assembly more preferable.Below DC master row assembly
It is placed with radiating gasket, on the one hand plays the role of insulating effect, on the one hand plays and radiates to busbar, emulation discovery, by giving
Busbar heat dissipation, can be effectively reduced dc-link capacitance temperature.
A kind of integrated motor inverter assembly, discharge resistance are integrated on control panel, and discharge resistance is by multiple
Resistance string is formed in parallel, and is directly connected by screw to capacitor positive and negative anodes busbar, does not have to additionally connect by harness, can reduce
Cost improves productive temp, effectively reduces volume.One piece of pcb board can also be individually done on capacitor according to topology requirement.
A kind of integrated motor inverter assembly, alternating current bus bar assembly include U phase busbar, V phase busbar, W phase mother
Row and plastic stent, U phase busbar, V phase busbar, W phase busbar are L-shaped, placed side by side, are integrated in plastic stent, plastics branch
Erect the effect of positioning, insulation.There is the structure of fixed current sensor on plastic stent, while having the structure of fixed beam.
A kind of integrated motor inverter assembly, top cover die cast, top seal circle and main box sealing surface
Profile is consistent, there is protrusion on sealing ring, for cooperating with seal groove, sealing ring is avoided to fall off.
The utility model has the following beneficial effects:
The utility model places IGBT module, dc-link capacitance lamination, and the connection of the two busbar side is arranged cleverer
It is living, reduce the volume of inverter assembly；Discharge resistance is integrated on control panel, is saved space, is reduced costs, improving can
Assembling；Using screw plug, reduce operating space, so that more compact structure, is installed convenient for vehicle, and reduces lateral hatch, cost
It is lower；Dc-link capacitance busbar is external, has cooling pad below the DC master row being connected with bus capacitor, two kinds of designs can be effective
Capacitance temperature is reduced, more securely and reliably；By entire General Layout Design, so that inverter assembly and motor share water channel, it is inverse
Become device alternating current bus bar leading-out terminal close to motor three-phase terminal, can make inverter and motor are radially integrated to use, save high pressure friendship
The connection water pipe between connector and motor and inverter is flowed, cost is reduced, saves vehicle space.
Detailed description of the invention
Fig. 1 is a kind of configuration schematic diagram of integrated motor inverter assembly of the utility model.
Fig. 2 is that a kind of integrated motor inverter assembly of the utility model and motor integrate schematic diagram.
Fig. 3 (a) is that a kind of integrated motor inverter assembly of the utility model and motor share channel structure schematic diagram.
Fig. 3 (b) is that a kind of integrated motor inverter assembly of the utility model and motor share channel structure schematic diagram.
Fig. 4 is a kind of integrated motor inverter assembly discharge resistance connection schematic diagram of the utility model.
The mark in the figure shows:
1. main box, 2. screw plugs, 3. water inlet pipes, 4.IGBT module, 5.IGBT module O-ring, 6. driving plates, 7. direct currents are female
Line capacitance, 8. control panels, 9. DC master row assemblies, 10. busbar cooling pads, 11. current sensors, 12. alternating current bus bar assemblies,
13. top cover, 14. top seal circles, 15. high voltage direct current connectors, 16. low-voltage signal connectors, 17. pressure compensation elements, 18.
Winding displacement, 19. low voltage wiring harness, 20. interlocking harness, 21. current sensor harness, 22. motors, 23. motor water channels, 24. exchanges are female
Assembly three-phase bus bar is arranged, 25.IGBT module water channel, 26. main box water channels, 27. electricity secret seals, 28. discharge resistances, 29. just
Pole busbar attachment screw, 30. cathode bus bar attachment screws, 31. dc-link capacitance anode busbars, 32. dc-link capacitances are negative
Pole busbar.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
Present embodiments provide a kind of integrated motor inverter assembly comprising main box 1, screw plug 2, water inlet pipe 3,
IGBT module 4, IGBT module O-ring 5, driving plate 6, dc-link capacitance 7, control panel 8, DC master row assembly 9, busbar heat dissipation
Pad 10, current sensor 11, alternating current bus bar assembly 12, top cover 13, top seal circle 14, high voltage direct current connector 15, low pressure letter
Number connector 16, pressure compensation element 17, winding displacement 18, low voltage wiring harness 19, interlocking harness 20, current sensor harness 21.
1 die cast of main box, is provided with water channel, there is fixed IGBT module 4, DC bus electricity inside main box 1
Hold 7 equal boss, IGBT module 4 is screwed on main box 1, and water inlet pipe 3 smears after sealant force fit to main tank
26 water inlet of body water channel, the main box water channel water inlet other end are connect with 4 water inlet of IGBT module, pass through O-ring 5 therebetween
Sealing.Main box water channel water outlet is connected with 23 water inlet of motor water channel, the main box water channel water outlet other end and IGBT module
Water outlet connection, is sealed by O-ring therebetween.Material is thus formed cooling waters to enter IGBT module water channel from water inlet pipe,
It is come out again from IGBT module water channel and enters motor water channel.Such water channel arrangement, can make inverter and motor share water channel, real
The radial direction of existing inverter and motor is integrated, and can also be pressed into an outlet pipe again is used alone inverter.
There are 6 threaded holes in 1 side of main box, in assembly DC master row assembly 9, IGBT module 4, dc-link capacitance
It when 6 screws in side of 7 busbars, is operated by this 6 threaded holes, is sealed with screw plug 2, reduced so after the assembly is completed
It is convenient for vehicle general arrangement so that structure is more compact in operating space.
4 performance of IGBT module is high, and included cooling water channel, keeps the power of inverter assembly higher, can meet higher
Performance requirement.
The driving plate 6 is placed in IGBT module 4, is first connected driving plate with IGBT module with screw, then by IGBT
Module pin and driving plate are welded；
The dc-link capacitance 7 is placed on 6 top of IGBT module 4 and driving plate, because of the DC master row of IGBT module 4
Tie point is arranged in side, and design in this way can avoid screw tightening device, saves space；Dc-link capacitance 7 passes through connection
Stabilizer blade is fixed on main box, and connection stabilizer blade has reinforcing rib to increase intensity；9 fixed columns are stretched out in dc-link capacitance upper surface,
Control panel 8 is fixed by screws on dc-link capacitance, and this design can reduce by a support part, reduces cost.
The dc-link capacitance 7 is thin-film capacitor, and by the way of capacitor goes out busbar using unilateral side, side goes out 6 mothers side by side
Row, while being connect with IGBT module 4 and DC master row assembly 9, external busbar is formed, capacitor fever is smaller, more securely and reliably,
Parasitic inductance can be avoided excessive positive and negative anodes busbar stack-design.6 busbars are ipsilateral while stretching out 2 busbars, with control panel 8
Connection.
The control panel 8 is integrated with discharge resistance, and discharge resistance is formed in parallel by multiple resistance strings, with dc-link capacitance
The positive and negative anodes busbar of stretching is directly connected by screw to, and is not had to additionally connect by harness, can be reduced cost, improves production section
It claps, effectively reduces volume.One piece of pcb board can also be individually done on capacitor according to topology requirement.Resistance concrete model sum number
Amount is calculated according to parameters such as discharge times.
The DC master row assembly 9 is placed on the DC side of IGBT module 4, is screwed on main box, busbar one
End is connect with IGBT module 4 and 7 busbar of dc-link capacitance, and the other end is connect with high voltage direct current connector 15.
The DC master row assembly 9 include positive busbar, cathode bus bar, ground connection busbar, ambroin shell, left Y capacitance,
Right Y capacitance；Positive busbar and cathode bus bar lamination arrange that one end circular hole connecting with high voltage direct current connector has been pressed nut,
Ground connection busbar has a hole to be connected by screw to main box；Y capacitance is first fixed on ambroin shell with glue, then, left Y electricity
Hold 2 stitch respectively with positive busbar and ground connection busbar weld, 2 stitch of right Y capacitance respectively with cathode bus bar and ground connection
Busbar welding, Y capacitance play the role of inhibiting common mode interference, keep the Electro Magnetic Compatibility of inverter assembly more preferable, Y capacitance is using weldering
It connects, assembling capacity is more preferable, and cost is lower；Ambroin shell plays the role of positioning, insulation.
The busbar cooling pad 10 is placed on DC master row assembly in the following, on the one hand playing insulating effect, on the one hand plays
To the effect that busbar radiates, by radiating to busbar, dc-link capacitance temperature is can be effectively reduced in emulation discovery.
The current sensor 11 is tri-coupling type current sensor, and alternating current bus bar passes through 11 3 square holes of current sensor,
Then current sensor 11 is fixed on alternating current bus bar assembly 12 with screw.
The alternating current bus bar assembly 12 is placed on the exchange side of IGBT module, is screwed on main box, one end with
The connection of IGBT module alternating current bus bar, the other end are connect with motor three-phase bus bar.
The alternating current bus bar assembly 12 includes U phase busbar, V phase busbar, W phase busbar and plastic stent, U phase busbar, V phase
Busbar, W phase busbar are L-shaped, placed side by side, are integrated in plastic stent, and plastic stent plays the role of positioning, insulation.Simultaneously
Play the role of fixed support current sensor.
13 die cast of top cover is connect by screw with main box 1, close by top seal circle 14 therebetween
Envelope.
The top seal circle 14 is consistent with main box sealing facial contour, has protrusion on sealing ring, for matching with seal groove
It closes, sealing ring is avoided to fall off；Top seal circle 14 is placed in the seal groove of main box.
The high voltage direct current connector 15 is fixed on main box, and the interlocking harness 20 on high voltage direct current connector 15 is inserted into
On 2pin connector on control panel 8, then signal passed to by vehicle by low voltage wiring harness 19.
The low-voltage signal connector 16 is fixed on main box, and low-voltage signal connector 16 and control panel 8 pass through low pressure
Harness 19 connects.
The winding displacement 18 transmits signal between driving plate and control panel；Described 21 one end of current sensor harness is inserted into electric current
On sensor 11, one end is inserted into driving plate.
Embodiment described above, only specific embodiment of the present utility model, to illustrate the technology of the utility model
Scheme, rather than its limitations, the protection scope of the utility model are not limited thereto, although practical to this with reference to the foregoing embodiments
It is novel to be described in detail, those skilled in the art should understand that: any technology people for being familiar with the art
Member within the technical scope disclosed by the utility model, can still modify to technical solution documented by previous embodiment
Or variation or equivalent replacement of some of the technical features can be readily occurred in；And these modifications, variation or replacement,
The spirit and scope for the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution should all cover at this
Within the protection scope of utility model.Therefore, the protection scope of the utility model is answered described is with scope of protection of the claims
It is quasi-.
Claims (8)
1. a kind of integrated motor inverter assembly, which is characterized in that including main box, water inlet pipe, IGBT module, driving plate,
Dc-link capacitance, control panel, DC master row assembly, current sensor, alternating current bus bar assembly, top cover, high voltage direct current connector,
Low-voltage signal connector, pressure compensation element, winding displacement, low voltage wiring harness, interlocking harness, current sensor harness；
The IGBT module is placed on main box, and IGBT module intake-outlet and main box water channel intake-outlet are tightly connected；
Driving plate is fixed in IGBT module, and IGBT module pin and driving plate are welded；
Dc-link capacitance is placed on above IGBT module and driving plate and is fixed on main box；Control panel is fixed on direct current mother
Above line capacitance；
DC master row assembly is placed on the DC side of IGBT module and is fixed on main box, DC master row one end and IGBT module
It is connected with dc-link capacitance busbar, the other end is connect with high voltage direct current connector；Alternating current bus bar assembly is placed on IGBT module
Exchange side and be fixed on main box, alternating current bus bar passes through current sensor, and one end connect with IGBT module alternating current bus bar, separately
One end is connect with motor three-phase bus bar；
High voltage direct current connector and low-voltage signal connector are fixed on main box；Driving plate and control partitioned signal are connected by winding displacement
It connects, low-voltage signal connector is connected with control panel by low voltage wiring harness, and the interlocking harness on high voltage direct current connector is inserted into control
On plate, current sensor harness is inserted into driving plate；
Top cover is sealedly and fixedly connected with main box.
2. a kind of integrated motor inverter assembly as described in claim 1, which is characterized in that the main box is cast into
Type is provided with water channel in main box, and water inlet pipe force fit to water channel water inlet, water channel water outlet and motor water channel water inlet are close
Envelope connection, the main box water channel intake-outlet other end and IGBT module intake-outlet are tightly connected.
3. a kind of integrated motor inverter assembly as described in claim 1, which is characterized in that the main tank body side surface has more
A threaded hole, it is close with screw plug for assembling DC master row assembly, IGBT module, dc-link capacitance busbar, and after the assembly is completed
Envelope.
4. a kind of integrated motor inverter assembly as described in claim 1, which is characterized in that the dc-link capacitance is
Thin-film capacitor, by the way of capacitor goes out busbar using unilateral side, side goes out 6 busbars side by side, at the same with IGBT module and DC master row
Assembly connection, forms external busbar；6 busbars are ipsilateral while stretching out 2 single u-shaped busbars.
5. a kind of integrated motor inverter assembly as described in claim 1, which is characterized in that the DC master row assembly packet
Include positive busbar, cathode bus bar, ground connection busbar, ambroin shell, left Y capacitance, right Y capacitance；Positive busbar and cathode bus bar
Lamination arrangement, one end circular hole connect with high voltage direct current connector have been pressed nut, are grounded busbar and positive and negative anodes busbar and discharge
It sets, there is a hole to be connected by screw to main box, three busbars have and Y capacitance welded structure；Y capacitance is fixed on insulated plastic
On material shell body, 2 stitch of left Y capacitance respectively with positive busbar and ground connection busbar welding, 2 stitch of right Y capacitance respectively with
Cathode bus bar and ground connection busbar welding；Busbar cooling pad is placed below in DC master row assembly.
6. a kind of integrated motor inverter assembly as described in claim 1, which is characterized in that be integrated on the control panel
Discharge resistance, discharge resistance are connect with capacitor positive and negative anodes busbar screw.
7. a kind of integrated motor inverter assembly as described in claim 1, which is characterized in that the alternating current bus bar assembly packet
Include U phase busbar, V phase busbar, W phase busbar and plastic stent, U phase busbar, V phase busbar, the L-shaped collection placed side by side of W phase busbar
At in plastic stent, current sensor is fixed on plastic stent.
8. a kind of integrated motor inverter assembly as described in claim 1, which is characterized in that the top cover die cast,
Top seal circle is equipped between top cover and main box, top seal circle is consistent with main box sealing facial contour, has on sealing ring convex
It rises, for cooperating with main box seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254204.6U CN209692624U (en) | 2019-02-28 | 2019-02-28 | A kind of integrated motor inverter assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254204.6U CN209692624U (en) | 2019-02-28 | 2019-02-28 | A kind of integrated motor inverter assembly |
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| Publication Number | Publication Date |
|---|---|
| CN209692624U true CN209692624U (en) | 2019-11-26 |
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ID=68603311
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920254204.6U Active CN209692624U (en) | 2019-02-28 | 2019-02-28 | A kind of integrated motor inverter assembly |
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| CN (1) | CN209692624U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861559A (en) * | 2019-02-28 | 2019-06-07 | 中国第一汽车股份有限公司 | A kind of integrated motor inverter assembly |
| WO2022218249A1 (en) * | 2021-04-13 | 2022-10-20 | 中国第一汽车股份有限公司 | Integrated vehicle inverter assembly, and vehicle |
-
2019
- 2019-02-28 CN CN201920254204.6U patent/CN209692624U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861559A (en) * | 2019-02-28 | 2019-06-07 | 中国第一汽车股份有限公司 | A kind of integrated motor inverter assembly |
| CN109861559B (en) * | 2019-02-28 | 2024-07-05 | 中国第一汽车股份有限公司 | Integrated motor inverter assembly |
| WO2022218249A1 (en) * | 2021-04-13 | 2022-10-20 | 中国第一汽车股份有限公司 | Integrated vehicle inverter assembly, and vehicle |
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