CN106655814B - The preparation method of AC motor control - Google Patents
The preparation method of AC motor control Download PDFInfo
- Publication number
- CN106655814B CN106655814B CN201710132362.XA CN201710132362A CN106655814B CN 106655814 B CN106655814 B CN 106655814B CN 201710132362 A CN201710132362 A CN 201710132362A CN 106655814 B CN106655814 B CN 106655814B
- Authority
- CN
- China
- Prior art keywords
- copper bar
- hole
- pin
- pole copper
- pcb substrate
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The present invention provides a kind of preparation method of AC motor control, AC motor control includes radiating bottom plate and power model, power model includes the first PCB substrate, the first positive pole copper bar, the first negative pole copper bar, electric current output copper bar and IGBT module group, multiple first through hole and multiple second through holes are provided with first PCB substrate, wherein, preparation method includes：Paster processing is carried out to the first PCB substrate, first pin of the first positive pole copper bar, the second pin of the first negative pole copper bar, electric current are exported to the 3rd pin inserting of copper bar respectively in a first through hole and being welded, in 4th pin of the IGBT module of IGBT module group inserting to second through hole and it will be welded, insulating heat-conductive plate is installed between IGBT module group and radiating bottom plate, positive terminal is installed on the first positive pole copper bar, negative terminal is installed on the first negative pole copper bar.The preparation method has the advantages of making simple, power expansion flexibly and can ensureing firm and reliable connection between each part.
Description
Technical field
The present invention relates to vehicle accessory technical field, is to be related to a kind of alternating current generator control for electric car specifically
The preparation method of device processed.
Background technology
Because of it, burns gasoline does not produce power to electric car, has the characteristics of environmental protection, pollution is small, in tourist attraction etc. to environment
It is required that higher place is widely used.Existing electric car is provided with an AC motor control, for by battery
The dc source of output is converted into three-phase alternating-current supply and motor rotates.
Existing AC motor control includes having a housing, and housing generally includes one piece of radiating bottom plate and is located at
Cover on radiating bottom plate, housing surround a cavity, and the circuit board of AC motor control is arranged in the cavity.Alternating current
Machine controller generally includes power amplifier board, three power models and A.C. contactor, and three power models are typically secured to radiate
On bottom plate, and power amplifier board is typically mounted on power model.
AC motor control receives the direct current of battery output, and DC inverter is converted into exchange electricity output,
Therefore each power model corresponds to a phase of three phase electric machine, for exporting the phase electricity in U, V, W three phase mains to motor
Source.Each power model is provided with the terminal of two reception dc sources, is respectively used to receive cathode power supply and negative power supply, and set
There is a current output terminal, to a phase output current signal of motor.Also, two DC power supply terminals and current output terminal
Need to set gate-controlled switch device, i.e. power tube, such as IGCT or IGBT between son, for being controlled direct current.
Because the power that present electric car uses is larger, the voltage that is formed in AC motor control is higher, electric current compared with
Greatly, therefore the device such as IGBT needs to bear higher voltage and larger electric current.If however, using powerful
IGBT is too high by the production cost for causing AC motor control, and power expansion is dumb, is unfavorable for the popularization of electric car, and hand over
Flow the making step of electric machine controller and make industry complexity, be unfavorable for the production of AC motor control.
The content of the invention
In order to solve the above problems, the main object of the present invention, which is to provide, a kind of makes simple, power expansion flexibly and can
Ensure the preparation method of the AC motor control of firm and reliable connection between each part.
In order to realize the main object of the present invention, the present invention provides the preparation method of AC motor control, alternating current generator
Controller includes radiating bottom plate and three power models, each power model include the first PCB substrate, the first positive pole copper bar,
First negative pole copper bar, electric current output copper bar and two groups of IGBT module groups, be provided with the first PCB substrate multiple first through hole and
Multiple second through holes, wherein, the first PCB substrate is additionally provided with multiple pads, and a first through hole is located at second through hole
In one pad, each group of IGBT module group includes the IGBT module that two or more is connected in parallel, the system of AC motor control
Include as method：Paster processing is carried out to the first PCB substrate, the first pin of the first positive pole copper bar is inserted to one first and led to
Kong Shang, by the second pin inserting of the first negative pole copper bar to another first through hole, electric current is exported to the 3rd pin of copper bar
Insert in another first through hole, the 4th pin of the IGBT module of each group of IGBT module group is inserted to one second and led to
Kong Shang, by the first pin, second pin, the 3rd pin respectively with first through hole carry out wave soldering, while by the 4th pin with
Second through hole carries out wave soldering, connects the detent fit on the positioning hole and radiating bottom plate in the first PCB substrate, and make
Two groups of IGBT module groups install insulating heat-conductive plate, and make towards radiating bottom plate between two groups of IGBT module groups and radiating bottom plate
Insulating heat-conductive plate is abutted against between radiating bottom plate and two groups of IGBT module groups, and positive terminal is installed on the first positive pole copper bar,
And positive terminal is passed through the first PCB substrate, negative terminal is installed on the first negative pole copper bar, and wear negative terminal
Cross the first PCB substrate.
Therefore the first pin, second pin and the 3rd pin is coordinated respectively with a first through hole, and pass through ripple
Peak welding is welded to a first through hole with first pin, second pin or the 3rd pin being oppositely arranged respectively.
Also, coordinate the 4th pin and second through hole, and the second through hole and the 4th pin welded by wave soldering,
So that the assembling of AC motor control is more convenient.In addition, by a first through hole in the first PCB substrate and one second
Through hole is arranged in a pad so that a first through hole can realize to electrically connect with corresponding second through hole.
Insulating heat-conductive plate is set to accelerate to dredge heat caused by IGBT module between IGBT module group and radiating bottom plate,
IGBT module is played a protective role.And IGBT module group is set, it can directly pass through the IGBT moulds of the change IGBT module group
The quantity of block so that the extension of AC motor control is more flexible, simplifies the processing technology of AC motor control, together
When so that the structure of AC motor control is simpler, easier for installation.
Further scheme is that AC motor control also includes power amplifier board, and power amplifier board includes the second PCB substrate, second
Positive pole copper bar, the second negative pole copper bar, insulating barrier and capacitance group, the second PCB substrate are provided with multiple third through-holes and multiple
Four through holes, the preparation method of AC motor control also include：, will after the installation of positive terminal and negative terminal is completed
Second PCB substrate is arranged on radiating bottom plate by bolt through the connecting hole and alignment pin of the second PCB substrate, and makes positive terminal
Post electrically connects with the second positive pole copper bar, negative terminal is electrically connected with the second negative pole copper bar, also, completes the 2nd PCB bases
Before the installation of plate, paster processing is carried out to the second PCB substrate, by the 5th pin inserting of the second positive pole copper bar a to threeway
Kong Shang, the first side of insulating barrier and the second positive pole copper bar are abutted, the 6th pin inserting of the second negative pole copper bar is arrived another
On third through-hole.And the second side of the second negative pole copper bar and insulating barrier is abutted, the 7th pin of the electric capacity of capacitance group is inserted
Onto a fourth hole, the 5th pin, the 6th pin are subjected to wave soldering with third through-hole respectively, while by the 7th pin
Wave soldering is carried out with fourth hole.
Therefore the 5th pin and the 6th pin is coordinated respectively with a third through-hole, and pass through wave soldering point
It is other that a third through-hole and the 5th pin being oppositely arranged or the 6th pin are welded.Also, make the 7th pin with
One fourth hole coordinates, and fourth hole and the 7th pin are welded by wave soldering so that AC Motor Control
The assembling of device is more convenient.And insulating barrier is set between the second positive pole copper bar and the second negative pole copper bar, second can prevented just
Electrical connection is produced between pole copper bar and the second negative pole copper bar, and then prevents power amplifier board from short circuit occurs.
Further scheme is the first avoid holes to be provided with the second positive pole copper bar, to negative terminal and second
When negative pole copper bar is electrically connected, negative terminal is passed through the first avoid holes, the second avoidance is provided with the second negative pole copper bar
Hole, when being electrically connected to positive terminal and the second positive pole copper bar, positive terminal is set to pass through the second avoid holes.
Therefore the first avoid holes are set, avoid negative terminal and the second positive pole copper bar from carrying out short circuit, set second
Avoid holes, positive terminal and the second negative pole copper bar carry out short circuit, improve the security that AC motor control uses.
Further scheme is, after the paster processing of the second PCB substrate is completed, the is installed in the second PCB substrate
One lead-in clamp, and the first lead-in clamp is electrically connected with the second positive pole copper bar, it is defeated that second is installed in the second PCB substrate
Enter binding post, and the second lead-in clamp is electrically connected with the second negative pole copper bar.
Therefore the first lead-in clamp and the second lead-in clamp are installed in the second PCB substrate so that alternating current
Machine controller can be connected by the positive pole and negative pole of the first lead-in clamp and the second lead-in clamp and battery respectively
Connect, and the electric current that the positive pole of battery and negative pole are exported is delivered on the second positive pole copper bar and the second negative pole copper bar.
Further scheme is, after the installation of insulating heat-conductive plate is completed, multigroup elasticity pressure is installed on radiating bottom plate
Piece group, and one group of elastic pressuring plate group is pressed together in one group of IGBT module group.
Therefore IGBT module group is fixed installation elastic pressuring plate group, to ensure IGBT module and radiating bottom plate
Connection steadiness.
Further scheme is, when insulating heat-conductive plate is installed, first mounting temperature sensor, Ran Houzai on radiating bottom plate
Insulating heat-conductive plate is installed, and temperature sensor is abutted with insulating heat-conductive plate.
Therefore mounting temperature sensor is monitored in real time to the Current Temperatures of three power models, and working as work(
Alarmed during the operating temperature frying pan secure threshold of rate module, AC motor control is played a protective role, prevents IGBT
Module is burnt because temperature is too high.
Further scheme is, after electric current output copper installation is completed, exports installation output on copper bar in electric current and connects
Terminal, and output wiring terminal is exported copper bar with electric current and electrically connect.
Therefore when AC motor control a power model to DC inverter into U, V, W three phase mains
In a phase after, three phase electric machine can be powered by output wiring terminal.
Further scheme is that insulating heat-conductive plate is made up of ceramics.
Therefore ceramics there is excellent heat conductivility, using insulating heat-conductive plate made of ceramics can in time by
Heat transfer is radiated to radiating bottom plate caused by IGBT module, improves the safety in utilization of alternating current generator, and extends IGBT
The service life of module.
Brief description of the drawings
Fig. 1 is the structure chart of the AC motor control of the preparation method embodiment of AC motor control of the present invention.
Fig. 2 is the structure chart of the power model of the preparation method embodiment of AC motor control of the present invention.
Fig. 3 is the exploded view of the power model of the preparation method embodiment of AC motor control of the present invention.
Fig. 4 is the structure chart of the first PCB substrate of the preparation method embodiment of AC motor control of the present invention.
Fig. 5 is the enlarged drawing at A in Fig. 4.
Fig. 6 is the structure chart of the power amplifier board of the preparation method embodiment of AC motor control of the present invention.
Fig. 7 is the exploded view of the power amplifier board of the preparation method embodiment of AC motor control of the present invention.
Fig. 8 is the installment state schematic diagram of the preparation method embodiment of AC motor control of the present invention.
Fig. 9 is another installment state schematic diagram of the preparation method embodiment of AC motor control of the present invention.
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
Reference picture 1, AC motor control 1 include radiating bottom plate 10, power model 2, power model 200, power model
201 and power amplifier board 3, wherein, power model 2, power model 200 and power model 201 are installed on radiating bottom plate 10, and are led to
The corresponding connection pin 101 crossed on radiating bottom plate 10 is determined power model 2, power model 200 and power model 201
Position.Power amplifier board 3 is arranged on the top of power model 2, power model 200 and power model 201, also, power amplifier board 3 respectively with work(
Rate module 2, power model 200, power model 201 electrically connect.
Reference picture 2 and Fig. 3, power model 2, power model 200 and power model 201 have identical structure, function, its
In, power model 2 includes the first PCB substrate 21, the first positive pole copper bar 22, the first negative pole copper bar 23, electric current output copper bar 24, two
Group IGBT module group and insulating heat-conductive plate 27.
In the present embodiment, power model 2 is used for the electric current of a phase of controlled motor, such as the electric current of U phases, therefore power model
2 by formed U phases upper bridge arm and lower bridge arm.Also, upper bridge arm is made up of four small-power IGBT modules in parallel, lower bridge arm
And be made up of four small-power IGBT modules in parallel, formed thereby using the IGBT module of multiple low power tubes powerful
IGBT module, meet the job requirement of electric car.Similarly, power model 200, power model 201 are respectively used to controlled motor
A phase current.
In power model 2, two groups of IGBT module groups include IGBT module group 25 and IGBT module group 250, also, IGBT
Module group 250 has identical function, structure with IGBT module group 25.Wherein, IGBT module group 25 includes more than two
IGBT module 251, specifically, the quantity of IGBT module 251 is four, and each IGBT module 251 is provided with the 4th pin
252。
Multiple first pins 221 are provided with first positive pole copper bar 22, in addition, the first positive pole copper bar 22 also connects including positive pole
Terminal 222.Positive terminal 222 electrically connects with the body of the first positive pole copper bar 22, and positive terminal 222 is used for and power amplifier board 3
Positive pole electrical connection.Specifically, the quantity of the first pin 221 is four, first pin 221 and the one of IGBT module group 25
Individual IGBT module 251 is oppositely disposed, also, the first pin 221 electrically connects with an IGBT module 251 being oppositely arranged.
Multiple second pins 231 are provided with first negative pole copper bar 23, in addition, the first negative pole copper bar 23 also connects including negative pole
Terminal 232.Negative terminal 232 electrically connects with the body of the first negative pole copper bar 23, and negative terminal 232 is used for and power amplifier board 3
Negative pole electrical connection.Specifically, the quantity of second pin 231 is four, a second pin 231 and IGBT module group 250
One IGBT module is oppositely disposed, also, second pin 231 electrically connects with an IGBT module being oppositely arranged.
Multiple 3rd pins 241 and multiple 3rd pins 242, and IGBT module group are provided with electric current output copper bar 24
25th, IGBT module group 250 electrically connects with electric current output copper bar 24 respectively.Specifically, the quantity of the 3rd pin 241 be four, one
Individual 3rd pin 241 and an IGBT module 251 of IGBT module group 25 are oppositely disposed；The quantity of 3rd pin 242 is four
Individual, the 3rd pin 242 and an IGBT module of IGBT module group 250 are oppositely disposed.
Insulating heat-conductive plate 27 is abutted against between two groups of IGBT module groups and radiating bottom plate, because ceramics have excellent heat conduction
Performance, so insulating heat-conductive plate 27, which is made, using ceramics can accelerate to hot caused by the IGBT module of two groups of IGBT module groups
Amount is dredged, and reduces the heat of IGBT module in time, is ensured the safety in utilization of AC motor control 1 and is improved alternating current
The service life of machine controller 1.
Reference picture 4, multiple first through hole are provided with the first PCB substrate 21, are first through hole 211, first through hole respectively
212nd, first through hole 213 and first through hole 2130, wherein, first through hole 211, the quantity of the through hole 213 of first through hole 212 and second
It is four.In addition, being additionally provided with the second sets of vias in the first PCB substrate 21, the quantity of the second sets of vias is four groups, each group
Second sets of vias includes three the second through holes 214 and three the second through holes 2140.
As shown in figure 5, Fig. 5 is expressed as 211, first through hole 212 of a first through hole, first through hole 213, one
The relative position schematic diagram of one through hole 2130 and one group of second sets of vias.Also, it is additionally provided with multiple pads in the first PCB substrate 21
216, wherein, a first through hole and second through hole are in a pad 216.
Specifically, a first through hole 211 and second through hole 214 being oppositely arranged are located in a pad 216；One
Individual first through hole 212 is located in another pad 216 with second through hole 2140 being oppositely arranged；One first through hole 213
It is located at second through hole 214 being oppositely arranged in another pad 216；One first through hole 2130 and be oppositely arranged one
Individual second through hole 2140 is located in another pad 216.Also, first through hole passes through pad 216 and be oppositely arranged one the
Two through holes electrically connect.
Reference picture 6 and Fig. 7, it is negative that power amplifier board 3 includes the second PCB substrate 31, capacitance group 32, the second positive pole copper bar 33, second
Pole copper bar 34 and insulating barrier 35.
Wherein, multiple third through-holes 311, multiple third through-holes 312, multiple four-ways are provided with the second PCB substrate 31
Hole 313, the first lead-in clamp 314 and the second lead-in clamp 315.
Second positive pole copper bar 33, the second negative pole copper bar 34 are arranged between the PCB substrate 31 of capacitance group 32 and second.Specifically
Ground, capacitance group 32 include multiple electric capacity 320, each electric capacity 320 pass through the 7th pin 321 and the second PCB substrate 31 the 4th
Through hole 313 is attached.
Multiple 5th pins 331, the 5th pin 331 and the second PCB substrate 31 are provided with second positive pole copper bar 33
On a third through-hole 311 be attached.In addition, positive pole connecting hole 332 and first is additionally provided with the second positive pole copper bar 33
Avoid holes 333.
Multiple 6th pins 341, the 6th pin 341 and the second PCB substrate 31 are provided with second negative pole copper bar 34
On a third through-hole 312 be attached.In addition, negative pole connecting hole 342 and second is additionally provided with the second negative pole copper bar 34
Avoid holes 343.
Insulating barrier 35 is abutted against between the second positive pole copper bar 33 and the second negative pole copper bar 34, and insulating barrier 35 is used to prevent second
Electrical connection is produced between the negative pole copper bar 34 of positive pole copper bar 33 and second, and then is avoided due to the second positive pole copper bar 33 and the second negative pole
The short circuit of power amplifier board 3 caused by it electrical connection be present between copper bar 34.
In addition, as shown in Fig. 2 power model 2 also includes two groups of elastic pressuring plate groups 26, two groups of elastic pressuring plate groups 26 respectively with
Radiating bottom plate 10 is fixedly connected, and one group of elastic pressuring plate group 26 is pressed together in one group of IGBT module group, and IGBT module group is carried out
It is fixed.
Specifically, each group of elastic pressuring plate group 26 includes two elastic pressuring plates 261, and the two of an elastic pressuring plate 261
End is pressed together in two adjacent IGBT modules.The both ends of each elastic pressuring plate 261 are divided towards the side of the first PCB substrate 21
Not Yan Shen be provided with limited block 262, the first PCB substrate 21 is oppositely disposed positioned at the top of each elastic pressuring plate 261
Limited location groove 215, also, the limited block 262 at the both ends of each elastic pressuring plate 261 is located in the stopper slot 215 being oppositely arranged.
By setting limited block 262 on elastic pressuring plate 26, and limited block 262 is set to be located in the stopper slot 215 being oppositely arranged, Neng Gouyou
When preventing that elastic pressuring plate 26 from rotating with respect to IGBT module of effect, the end that IGBT module is pressed together in IGBT module will not be complete
Total detachment IGBT module, and then cause elastic pressuring plate 26 that there is enough pressure forces to IGBT module.
Power model 2 also includes output wiring terminal 243 and current sensor, wherein, output wiring terminal 243 exports with electric current
Copper bar 24 electrically connects, and current sensor is used for the current flow for monitoring IGBT module group, when electric current exceeds secure threshold, power
Module 2 can be alarmed, and AC motor control is played a protective role.Connect in addition, also setting up driving in the first PCB substrate 21
Mouth 217, driving interface 217 is arranged on one end of the first PCB substrate 21, for receiving drive signal.
AC motor control 1 also includes temperature sensor 4, and temperature sensor 4 is arranged on insulating heat-conductive plate 27 and radiating
Between bottom plate 10, temperature controller 4 is used to monitor the IGBT module on power model 2, power model 200 and power model 201
Current Temperatures, and alarmed when the operating temperature of power model exceedes secure threshold, AC motor control risen
Protective effect, prevent IGBT module because temperature is too high and burn.
Further, since power model 200 and power model 201 have identical structure, function with power model 2, so
The mounting means of power model 200 and power model 201, connected mode are identical with power model 2, therefore excessive not superfluous herein
State.
Reference picture 8 and Fig. 9, and Fig. 3, Fig. 4 and Fig. 7 are combined, the preparation method of AC motor control 1 includes following step
Suddenly：
The number of assembling steps of power model 2 is as follows：
First, paster processing is carried out to the first PCB substrate 21.
Then, the first pin 221 of the first positive pole copper bar 22 is inserted to match first in the first PCB substrate 21
On through hole 211, and the first pin 221 is set to coordinate with the gap of first through hole 211.
Then, the second pin 231 of the first negative pole copper bar 23 is inserted to match first in the first PCB substrate 21
On through hole 212, and second pin 231 is set to coordinate with the gap of first through hole 212.
Then, by the 3rd pin 241 that electric current is exported on copper bar 24 insert to the first PCB substrate it is upper match the
On one through hole 213, and the 3rd pin 241 is set to coordinate with the gap of first through hole 213；Meanwhile electric current is exported on 24 on copper bar
In the first through hole 2130 to match on 3rd pin 2410 and the first PCB substrate 21, and make the 3rd pin 2410 and first
The gap of through hole 2130 coordinates.
Then, by the 4th pin 252 of the IGBT module 251 of IGBT module group 25 insert with the first PCB substrate 21
The second through hole 214 to match on, and coordinate the 4th pin 252 and the gap of the second through hole 214；By IGBT module group 250
IGBT module the inserting of the 4th pin to on the second through hole 2140 to match in the first PCB substrate 21, and making the 4th
Pin and the gap of the second through hole 2140 coordinate.
Then, it is disposable simultaneously to the first pin 221 and first through hole 211, second pin 231 and the by wave soldering
One through hole 212, the 3rd pin 241 and first through hole 213, the 3rd pin 2410 and first through hole 2130, the 4th pin 252 and
Two through holes 214, IGBT module group 250 IGBT module the 4th pin and the second through hole 2140 welded.And then make first
PCB substrate 21 respectively with the first positive pole copper bar 22, the first negative pole copper bar 23, electric current output copper bar 24, IGBT module group 25 and
IGBT module group 250 is electrically connected and is fixed.
Then, output wiring terminal 243 is installed on electric current output copper bar 24, and output wiring terminal 243 is exported with electric current
The body electrical connection of copper bar 24.
Then, mounting temperature sensor 4 in the groove on radiating floor 10, then, installed on radiating bottom plate 10 exhausted
Edge heat-conducting plate 27, and abut insulating heat-conductive plate 27 and radiating bottom plate 10 and be that insulating heat-conductive plate 27 and temperature sensor 4 are adjacent
Connect.
Then, make completion weld after the first PCB substrate 21 on positioning hole and matching on radiating bottom plate 10 determine
Position pin 101 is connected, and then the first PCB substrate 21 is positioned.When installing the first PCB substrate 21, make two groups of IGBT
Module group makes two groups of IGBT module groups be abutted with insulating heat-conductive plate 27 towards radiating bottom plate 10.
Then, elastic pressuring plate group 26 is installed on radiating bottom plate 10, and makes the elastic pressuring plate 261 of one group of elastic pressuring plate group 26
It is pressed together in the IGBT module of one group of IGBT module group.
Then, positive terminal 222 is installed on the first positive pole copper bar 22, and positive terminal 222 is passed through the first PCB
Avoid holes on substrate 21, also, negative terminal 232 is installed on the first negative pole copper bar 23, and wear negative terminal 232
Cross in the first PCB substrate 21 another avoid holes.
The number of assembling steps of power amplifier board 3 is as follows：
Before being installed to the second PCB substrate 31, first, paster processing is carried out to the second PCB substrate 31, complete the
After the paster processing of two PCB substrates 31, the first lead-in clamp 314 is installed in the second PCB substrate 31, in the second PCB substrate
Second lead-in clamp 315 is installed on 31.
Then, the 5th pin 331 of the second positive pole copper bar 33 is inserted to the third through-hole 311 in the second PCB substrate 31
It is interior, and the 5th pin 331 is coordinated with the gap of third through-hole 311.
Then, insulating barrier 35 is installed on the second positive pole copper bar 33, and makes the first side and the second positive pole copper of insulating barrier 35
The adjoining of row 33, and the second positive pole copper bar 33 is electrically connected with the first lead-in clamp 314.
Then, the second negative pole copper bar 34 is installed on the second side of insulating barrier 35, and makes the second negative pole copper bar 34 and insulation
The second side adjoining of layer 35, meanwhile, make the second negative pole copper bar 34 the 6th pin 341 insert onto the second PCB substrate 31 the
In three through holes 312, and the 6th pin 341 is coordinated with the gap of third through-hole 312, and make the second negative pole copper bar 34 and the second input
Binding post 315 electrically connects.
Then, the 7th pin 321 of the electric capacity 320 of capacitance group 32 is inserted onto a fourth hole 313, and makes the 7th
Pin 321 coordinates with the gap of fourth hole 313.
Then, wave soldering disposable 5th pin 331 and third through-hole 311, the 6th pin 341 and the 3rd simultaneously are passed through
Through hole 312, the 7th pin 321 and fourth hole 313 are welded, make the second PCB substrate 31 respectively with the second positive pole copper bar 33,
Second negative pole copper bar 34 and capacitance group 32 are electrically connected and are fixed.
The number of assembling steps of above-mentioned power amplifier board 3 is completed, and is completing the installation of positive terminal 222 and negative terminal 232
Afterwards, the number of assembling steps of power amplifier board 3 also includes passing through bolt into the connecting hole of the second PCB substrate 31 and the alignment pin of radiating bottom plate 10
101 are arranged on the second PCB substrate 31 on radiating bottom plate 10, and make the positive pole of the positive pole copper bar 33 of positive terminal 222 and second
Connecting hole 332 electrically connects, and electrically connects negative terminal 232 and the negative pole connecting hole 342 of the second negative pole copper bar 34.
In addition, when being electrically connected to the negative pole copper bar 34 of negative terminal 232 and second, wear negative terminal 232
The first avoid holes 333 crossed on the second positive pole copper bar 33；It is electrically connected to the positive pole copper bar 34 of positive terminal 222 and second
When, make positive terminal 222 through the second avoid holes 343 on the second negative pole copper bar 34.
Therefore the preparation method of AC motor control provided by the invention causes the extension of AC motor control
More flexibly, and the manufacture craft of AC motor control is simplified so that the making of AC motor control is more shown in simply.
Simultaneously so that the structure of AC motor control is simpler, easier for installation and make firm and reliable connection between each part.
Finally it is emphasized that the foregoing is only the preferred embodiments of the present invention, it is not intended to limit the invention, it is right
For those skilled in the art, the present invention can have various change and change, within the spirit and principles of the invention,
Any modification, equivalent substitution and improvements done etc., should be included in the scope of the protection.
Claims (8)
1. the preparation method of AC motor control, the AC motor control includes radiating bottom plate and three power models；
Each power model includes the first PCB substrate, the first positive pole copper bar, the first negative pole copper bar, electric current output copper bar and two
IGBT module group is organized, multiple first through hole and multiple second through holes are provided with the first PCB substrate；
It is characterized in that：
First PCB substrate is additionally provided with multiple pads, and a first through hole is located at one with second through hole
In the individual pad；
IGBT module group described in each group includes the IGBT module that two or more is connected in parallel；
The preparation method of the AC motor control includes：
Paster processing is carried out to first PCB substrate；
By in the first pin inserting of the first positive pole copper bar a to first through hole；
By the inserting of the second pin of the first negative pole copper bar to another described in first through hole；
By the 3rd pin inserting of electric current output copper bar to another described in first through hole；
By in the 4th pin inserting of the IGBT module of IGBT module group described in each group to second through hole；
First pin, the second pin, the 3rd pin are subjected to wave soldering with the first through hole respectively, together
When the 4th pin and second through hole be subjected to wave soldering；
The positioning hole in first PCB substrate is connected with the detent fit on the radiating bottom plate, and make described in two groups
IGBT module group is installing insulating heat-conductive described in two groups towards the radiating bottom plate between IGBT module group and the radiating bottom plate
Plate, and the insulating heat-conductive plate is abutted against between IGBT module group described in the radiating bottom plate and two groups；
Positive terminal is installed on the first positive pole copper bar, and the positive terminal is passed through first PCB substrate；
Negative terminal is installed on the first negative pole copper bar, and the negative terminal is passed through first PCB substrate.
2. the preparation method of AC motor control according to claim 1, it is characterised in that：
The AC motor control also includes power amplifier board, and the power amplifier board includes the second PCB substrate, the second positive pole copper bar, the
Two negative pole copper bars, insulating barrier and capacitance group；
Second PCB substrate is provided with multiple third through-holes and multiple fourth holes；
The preparation method of the AC motor control also includes：
After the installation of the positive terminal and the negative terminal is completed, bolt is passed through into second PCB substrate
Second PCB substrate is arranged on the radiating bottom plate by connecting hole and the alignment pin, and make the positive terminal with
The second positive pole copper bar electrical connection, makes the negative terminal be electrically connected with the second negative pole copper bar；
Also, before the installation of second PCB substrate is completed, paster processing is carried out to second PCB substrate；
By in the 5th pin inserting of the second positive pole copper bar a to third through-hole；
First side of the insulating barrier and the second positive pole copper bar are abutted；
By the inserting of the 6th pin of the second negative pole copper bar to another described on third through-hole, and make the second negative pole copper
Row and the second side of the insulating barrier abut；
By in the 7th pin inserting of the electric capacity of the capacitance group a to fourth hole；
5th pin, the 6th pin are subjected to wave soldering with the third through-hole respectively, while by the described 7th
Pin carries out wave soldering with the fourth hole.
3. the preparation method of AC motor control according to claim 2, it is characterised in that：
The first avoid holes are provided with the second positive pole copper bar, are entered to the negative terminal and the second negative pole copper bar
During row electrical connection, the negative terminal is set to pass through first avoid holes；
The second avoid holes are provided with the second negative pole copper bar, are entered to the positive terminal and the second positive pole copper bar
During row electrical connection, the positive terminal is set to pass through second avoid holes.
4. the preparation method of AC motor control according to claim 2, it is characterised in that：
After the paster processing of second PCB substrate is completed, the first lead-in clamp is installed in second PCB substrate,
And first lead-in clamp is set to be electrically connected with the second positive pole copper bar；
The second lead-in clamp is installed in second PCB substrate, and makes second lead-in clamp and described second negative
Pole copper bar electrical connection.
5. the preparation method of the AC motor control according to any one of Claims 1-4, it is characterised in that：
After the installation of the insulating heat-conductive plate is completed, multigroup elastic pressuring plate group is installed on the radiating bottom plate, and make one group
The elastic pressuring plate group is pressed together on described in one group in IGBT module group.
6. the preparation method of AC motor control according to claim 5, it is characterised in that：
When installing the insulating heat-conductive plate, first the mounting temperature sensor on the radiating bottom plate, then installs the insulation again
Heat-conducting plate, and the temperature sensor is abutted with the insulating heat-conductive plate.
7. the preparation method of AC motor control according to claim 6, it is characterised in that：
After the electric current output copper installation is completed, output wiring terminal is installed on electric current output copper bar, and make described
Output wiring terminal electrically connects with electric current output copper bar.
8. the preparation method of AC motor control according to claim 7, it is characterised in that：
The insulating heat-conductive plate is made up of ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710132362.XA CN106655814B (en) | 2017-03-07 | 2017-03-07 | The preparation method of AC motor control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710132362.XA CN106655814B (en) | 2017-03-07 | 2017-03-07 | The preparation method of AC motor control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106655814A CN106655814A (en) | 2017-05-10 |
| CN106655814B true CN106655814B (en) | 2018-03-09 |
Family
ID=58847122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710132362.XA Active CN106655814B (en) | 2017-03-07 | 2017-03-07 | The preparation method of AC motor control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106655814B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834945A (en) * | 2017-11-24 | 2018-03-23 | 安徽维新能源技术有限公司 | A kind of electric machine controller |
| CN111800957B (en) * | 2019-04-08 | 2021-12-28 | 炫途储能科技(上海)有限公司 | Method for increasing current capacity of aluminum substrate circuit board |
| CN111885850B (en) * | 2020-07-16 | 2022-01-28 | 上海无线电设备研究所 | Connecting and assembling method for F-shaped packaged power tube |
| CN114076860B (en) * | 2020-08-19 | 2023-02-28 | 华中科技大学 | Voltage detection device for half-bridge type power module |
| CN112016262B (en) * | 2020-08-27 | 2023-03-24 | 东风汽车集团有限公司 | Positioning tool and method for multiple groups of parallel double-side cooling IGBT pins |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412704A (en) * | 2011-11-22 | 2012-04-11 | 东风汽车公司 | Low-voltage high-current three-phase driving power module group structure |
| CN205212744U (en) * | 2015-11-13 | 2016-05-04 | 东风电动车辆股份有限公司 | Exchange asynchronous machine controller drive power modular structure |
| CN205961010U (en) * | 2016-07-29 | 2017-02-15 | 青岛云路新能源科技有限公司 | Alternating -current motor controller's major control system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101624733B1 (en) * | 2014-09-25 | 2016-06-07 | 프레스토라이트아시아 주식회사 | Motor driving controller having improved radiant heat function |
-
2017
- 2017-03-07 CN CN201710132362.XA patent/CN106655814B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412704A (en) * | 2011-11-22 | 2012-04-11 | 东风汽车公司 | Low-voltage high-current three-phase driving power module group structure |
| CN205212744U (en) * | 2015-11-13 | 2016-05-04 | 东风电动车辆股份有限公司 | Exchange asynchronous machine controller drive power modular structure |
| CN205961010U (en) * | 2016-07-29 | 2017-02-15 | 青岛云路新能源科技有限公司 | Alternating -current motor controller's major control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106655814A (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106655814B (en) | The preparation method of AC motor control | |
| CN206490595U (en) | AC motor control | |
| CN106849697B (en) | AC motor control | |
| CN103023281B (en) | Assembled power module | |
| EP1843455A1 (en) | Power inverter | |
| WO2012137289A1 (en) | Electrical storage module | |
| JP2012065431A (en) | Inverter device | |
| CN105680704A (en) | Power conversion apparatus | |
| JP3785499B2 (en) | Power supply | |
| CN106935781A (en) | A kind of connection method of battery pack | |
| CN102324864A (en) | Three-phase grid-connected inverter unit | |
| WO2024113823A1 (en) | Photovoltaic inverter and temperature measurement apparatus | |
| CN210129833U (en) | Drive control integrated device, drive controller and air conditioner | |
| US20190181128A1 (en) | Power module | |
| CN112532148A (en) | Motor controller and electric automobile | |
| CN208352416U (en) | A kind of ptc heater PCB compoboard | |
| CN105375787B (en) | Modular power terminal plane connecting equipment | |
| CN209472837U (en) | Circuit board assemblies, photovoltaic DC-to-AC converter and air-conditioning system | |
| CN205177927U (en) | Lead wire frame set spare and battery module of battery module | |
| CN206451747U (en) | A kind of new polarity piece circuit board and battery case | |
| US20240162507A1 (en) | Traction Battery Having Internal Battery Pack Sensing Module | |
| CN216162569U (en) | Power module assembly and motor controller | |
| CN207150447U (en) | Driver phase current pole plate and motor driver | |
| CN214315121U (en) | Motor controller and electric automobile | |
| CN207151035U (en) | Drive power supply pole plate and motor driver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |