CN117320365A

CN117320365A - Integrated module, inversion module and motor controller

Info

Publication number: CN117320365A
Application number: CN202311328909.5A
Authority: CN
Inventors: 张大千; 周云龙; 姜英杰
Original assignee: Suzhou Huichuan United Power System Co Ltd
Current assignee: Suzhou Huichuan United Power System Co Ltd
Priority date: 2023-10-12
Filing date: 2023-10-12
Publication date: 2023-12-29

Abstract

The invention discloses an integrated module, an inverter module and a motor controller. The integrated module comprises a filtering module and a bus capacitor module; the bus capacitor module is integrated with the filter module, the input end of the bus capacitor module is connected with the output end of the filter module, and the filter module is arranged close to the core package of the bus capacitor module. The technical scheme of the invention solves the problem of complex assembly caused by a large number of parts.

Description

Integrated module, inversion module and motor controller

Technical Field

The invention relates to the technical field of power assemblies, in particular to an integrated module, an inverter module and a motor controller.

Background

In the power train, the motor controller as a core component generally comprises functional components such as a direct current input copper bar, a filter component (common mode inductor, X capacitor and Y capacitor), a bus capacitor, a power module, a heat dissipation flow channel, a current sensor, a three-phase output copper bar, a circuit board and the like.

In the related art, functional components such as a direct current input copper bar, a filtering component (common mode inductor, X capacitor and Y capacitor), a bus capacitor, a power module, a heat dissipation runner, a current sensor, a three-phase output copper bar and a circuit board are all sequentially installed in a motor controller in the form of parts, so that the number of parts is large, and the assembly is complex.

Disclosure of Invention

The invention mainly aims to provide an integrated module which aims to solve the problem of complex assembly caused by the large number of parts.

In order to achieve the above object, an integrated module according to the present invention includes:

a filtering module;

the bus capacitor module is integrated with the filtering module, the input end of the bus capacitor module is connected with the output end of the filtering module, and the filtering module is arranged close to the core package of the bus capacitor module.

In an embodiment of the invention, an installation space is provided at one side of the bus capacitor module, and the filter module is located in the installation space.

In an embodiment of the invention, the bus capacitor module is provided with a plurality of core packages arranged at intervals, the plurality of core packages are combined to form the installation space, and the filtering module is arranged close to at least one core package.

In an embodiment of the invention, an insulating member is disposed between the bus positive conductive member and the bus negative conductive member at the input end of the bus capacitor module.

The invention also provides an inversion module, which comprises:

the bracket is provided with a first mounting groove and a second mounting groove;

the filter module is integrated in the first mounting groove; the bus capacitor module is integrated in the first mounting groove;

and the power module is integrated in the second mounting groove, and the input end of the power module is connected with the output end of the bus capacitor module.

In an embodiment of the invention, the bus capacitor module is located between the filter module and the power module.

In an embodiment of the invention, a mounting space is provided at a side of the bus capacitor module away from the power module, and the filter module is located in the mounting space.

In an embodiment of the invention, a pouring sealant is disposed in the first mounting groove.

In an embodiment of the invention, a cooling flow channel is formed between the power module and the wall of the second mounting groove.

In an embodiment of the invention, a sealant is disposed between an edge of the power module and an edge of the notch of the second mounting groove, and the sealant is used for sealing the cooling flow channel.

In an embodiment of the invention, an annular groove is formed at the edge of the notch of the second mounting groove, and the sealant is at least partially arranged in the annular groove.

In one embodiment of the invention, the bracket comprises:

the frame body is provided with the first mounting groove and the second mounting groove;

the current sensor magnetic cores are integrated on the frame body and are provided with three;

the three-phase output copper bars are arranged on the current sensor magnetic core in a penetrating mode, and the three-phase output copper bars are connected with the three-phase output ends of the power module.

In an embodiment of the invention, the current sensor core and the three-phase output copper bar are both located at one side of the three-phase output end of the power module.

In an embodiment of the invention, the inverter module further includes a circuit board, the circuit board covers the notch of the first mounting groove and the notch of the second mounting groove, and the signal pins of the power module are electrically connected to the circuit board.

The invention also provides a motor controller which comprises the inversion module.

In the integrated module provided by the invention, the filter module and the bus capacitor module are integrated together, so that the integrated module can be installed in the motor controller in a module mode, and the integrated module replaces the mode of being respectively installed in the motor controller in turn in a part mode, thereby effectively solving the problem of complex assembly caused by a large number of parts.

In addition, through making the input of generating line capacitance module and the output of filtering module be connected to make the core package that the filtering module is close to generating line capacitance module set up, so, can make the core package of generating line capacitance module can act as the X electric capacity of filtering module, can save the design of the X electric capacity of filtering module like this, make the whole volume of contravariant module littleer, with lower costs.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an embodiment of an inverter module according to the present invention;

FIG. 2 is a cross-sectional view of an embodiment of an inverter module of the present invention;

FIG. 3 is an exploded view of an inverter module according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a bracket in an embodiment of an inverter module according to the present invention;

FIG. 5 is a cross-sectional view of a bracket of an inverter module according to an embodiment of the invention;

FIG. 6 is a schematic diagram of a filter module according to an embodiment of the invention;

FIG. 7 is a cross-sectional view of a filter module in an embodiment of an inverter module according to the present invention;

FIG. 8 is a schematic diagram of a bus capacitor module according to an embodiment of the invention;

fig. 9 is a cross-sectional view of a bus capacitor module in an embodiment of an inverter module according to the invention.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

The invention provides an integrated module, which aims to solve the problem of complex assembly caused by a large number of parts.

The specific structure of the integrated module of the present invention will be described below:

referring to fig. 1 to 3, in an embodiment of the integrated module of the present invention, the integrated module includes a filter module 20 and a bus capacitor module 30; the bus capacitor module 30 is integrated with the filter module 20, the input end of the bus capacitor module 30 is connected with the output end of the filter module 20, and the filter module 20 is arranged close to the core package of the bus capacitor module 30.

It can be understood that in the integrated module set provided by the invention, the filter module set 20 and the bus capacitor module set 30 are integrated together, so that the integrated module set can be installed in a motor controller in a module mode, and the integrated module set replaces the integrated module set which is respectively installed in the motor controller in a part mode in sequence, thereby effectively solving the problem of complex assembly caused by a large number of parts.

In addition, the input end of the bus capacitor module 30 is connected with the output end of the filter module 20, and the filter module 20 is arranged close to the core pack of the bus capacitor module 30, so that the core pack 33 of the bus capacitor module 30 can serve as the X capacitor of the filter module 20, the design of the X capacitor of the filter module 20 can be omitted, and the whole size of the inverter module 100 is smaller and the cost is lower.

In addition, the common applicability and applicability of the integrated module can be greatly improved by the mode that the integrated module exists in the motor controller, and the problems of high cost, large volume, heavy weight, high failure rate and the like caused by the fact that the integrated module is sequentially installed in the motor controller in the mode of parts can be solved.

In this embodiment, the input end of the filter module 20 may be used for electrically connecting with an external power source to input direct current to the filter module 20.

In the practical application process, the output end of the filter module 20 and the input end of the bus capacitor module 30 may be connected by welding, screw connection, or the like, so as to realize electrical connection between the filter module 20 and the bus capacitor module 30.

In the practical application process, the filter module 20 may be disposed on one side of the bus capacitor module 30, or may be disposed above or below the bus capacitor module 30.

Further, referring to fig. 6 to 9, in an embodiment of the integrated module of the present invention, a mounting space 30a is provided on one side of the bus capacitor module 30, and the filter module 20 is located in the mounting space 30a.

So set up, through setting up filter module 20 in the installation space 30a of bus bar capacitor module 30, can promote the integrated level between filter module 20 and the bus bar capacitor module 30 for filter module 20 and bus bar capacitor module 30's whole occupation volume is littleer, and then can further reduce the whole volume of integrated module.

Further, referring to fig. 6 to 9 in combination, in an embodiment of the integrated module of the present invention, the bus capacitor module 30 is provided with a plurality of core packages 33 disposed at intervals, the plurality of core packages 33 are enclosed to form an installation space 30a, and the filter module 20 is disposed near at least one core package 33.

So set up, enclose through making a plurality of core package 33 and close and form installation space 30a, and make filter module 20 be close to core package 33 setting, like this, can make the core package 33 that is closest to filter module 20 can act as the X electric capacity of filter module 20, can act as the core package 33 of generating line electric capacity module 30 again, realized that a core package 33 satisfies the demand of two kinds of functions, save the design of the X electric capacity of filter module 20, make the whole volume of contravariant module 100 littleer, can also make the distance between this core package 33 and the Y core package 33 of filter module 20 smaller, make the filtering effect of filter module 20 better.

In some embodiments, the filter module 20 may include a common mode inductor 21, a positive conductive rod 22a, a negative conductive rod 22b, a first feedthrough Y capacitor 23a, a second feedthrough Y capacitor 23b, a filter positive conductive member 24a, a filter negative conductive member 24b, and a ground conductive member 25. The positive electrode conductive rod 22a and the negative electrode conductive rod 22b are arranged in the common mode inductor 21 in a penetrating way and respectively arranged in the first penetrating Y capacitor 23a and the second penetrating Y capacitor 23b in a penetrating way; the ground conductive member 25 spatially encapsulates a portion of the common mode inductance 21 to isolate an internal electromagnetic field of the ground conductive member 25; one pole of the first through-hole Y capacitor 23a is connected with the grounding conductive piece 25, the other pole is connected with the filtering positive electrode conductive piece 24a, one pole of the second through-hole Y capacitor 23b is connected with the grounding conductive piece 25, and the other pole is connected with the filtering negative electrode conductive piece 24 b; the filter positive electrode conductive member 24a and the filter negative electrode conductive member 24b are connected to the positive electrode conductive rod 22a and the negative electrode conductive rod 22b, respectively. In this way, the filtering module 20 can effectively filter the interference signal generated during the operation of the inverter module 100 and conducted along the high voltage bus, so as to improve the EMC (Electro Magnetic Compatibility ) performance of the motor controller.

It should be noted that, the end of the positive electrode conductive rod 22a far from the filtering positive electrode conductive member 24a and the end of the negative electrode conductive rod 22b far from the filtering negative electrode conductive member 24b are input ends of the filtering module 20; the filter positive conductive member 24a and the filter negative conductive member 24b are output ends of the filter module 20.

In some embodiments, the filter module 20 has a rear side and an adjacent side, the adjacent sides are two, the rear side is one end provided with an output end of the filter module 20, wherein the rear side of the filter module 20 is correspondingly provided with at least one core package 33, two adjacent sides of the filter module 20 are respectively correspondingly provided with at least one core package 33, and the plurality of core packages 33 enclose to form the installation space 30a. Therefore, the bus capacitor module 30 has enough capacitance, the overall width of the filter module 20 and the bus capacitor module 30 is effectively reduced, and the filter module 20 is closer to the core pack 33 of the bus capacitor module 30, so that the filter module 20 can have better filtering effect.

Further, referring to fig. 8 and 9 in combination, in an embodiment of the integrated module of the present invention, an insulating member 32 is disposed between the bus positive conductive member 31a and the bus negative conductive member 31b at the input end of the bus capacitor module 30.

By providing the insulating member 32 between the bus positive electrode conductive member 31a and the bus negative electrode conductive member 31b, the insulating member can serve to insulate the bus positive electrode conductive member 31a and the bus negative electrode conductive member 31b from each other, and prevent the occurrence of a short circuit due to conduction between the bus positive electrode conductive member 31a and the bus negative electrode conductive member 31 b.

By way of example, the insulator 32 may be a plastic piece.

In some embodiments, the bus positive conductive member 31a may include a first conductive portion and a second conductive portion disposed at an angle, the bus negative conductive member 31b may include a third conductive portion and a fourth conductive portion disposed at an angle, wherein the first conductive portion is disposed opposite the third conductive portion with the core pack 33 interposed therebetween, and the insulating member 32 is interposed therebetween; in this way, the first conductive portion and the third conductive portion can be connected to the filter positive electrode conductive member 24a and the filter negative electrode conductive member 24b, respectively, and the second conductive portion and the fourth conductive portion can be connected to the input copper bar of the power module 40, so that connection between the respective output terminals and the input terminals can be better achieved.

Referring to fig. 1 to 9, the present invention further provides an inverter module 100, where the inverter module 100 includes a bracket 10, a power module 40, and an integrated module as described above, and the specific structure of the integrated module refers to the foregoing embodiment.

Wherein the bracket 10 is provided with a first mounting groove 111 and a second mounting groove 112; the filter module 20 is integrated in the first mounting groove 111; the bus capacitor module 30 is integrated in the first mounting groove 111, and an input end of the bus capacitor module 30 is connected with an output end of the filter module 20; the power module 40 is integrated in the second mounting groove 112, and an input end of the power module 40 is connected with an output end of the bus capacitor module 30.

It can be understood that in the inverter module 100 according to the present invention, the filter module 20, the bus capacitor module 30 and the power module 40 are integrated on one bracket 10 by integrating the filter module 20 and the bus capacitor module 30 in the first mounting groove 111 of the bracket 10 and integrating the power module 40 in the second mounting groove 112 of the bracket 10, so as to be integrated into the inverter module 100; in this way, the motor controller can be installed in a module mode, and the motor controller is replaced by being installed in the motor controller in sequence in a part mode, so that the problem of complex assembly caused by the large number of parts can be effectively solved.

In addition, the filter module 20 and the bus capacitor module 30 are integrated in the first mounting groove 111 of the bracket 10, so that the core package 33 of the bus capacitor module 30 can serve as the X capacitor of the filter module 20, thus the design of the X capacitor of the filter module 20 can be omitted, and the overall size of the inverter module 100 is smaller and the cost is lower.

In addition, the common use and applicability of the inverter module 100 can be greatly improved by the existence of the module in the motor controller, and the problems of high cost, large volume, large weight, high failure rate and the like caused by the sequential installation of the inverter module in the motor controller in the form of parts can be solved.

In the practical application process, the output end of the bus capacitor module 30 and the input end of the power module 40 may be connected by welding, screw connection, or the like, so as to realize the electrical connection between the bus capacitor module 30 and the power module 40.

Further, referring to fig. 2 and 3 in combination, in an embodiment of the inverter module 100 of the present invention, the bus capacitor module 30 is located between the filter module 20 and the power module 40.

By arranging the bus capacitor module 30 between the filter module 20 and the power module 40, the output end of the filter module 20 and the input end of the bus capacitor module 30 can be mutually close, so that the output end of the filter module 20 can be directly connected with the input end of the bus capacitor module 30 without adopting an additional connecting line for connection, thereby not only reducing the investment of cost, but also improving the assembly efficiency; moreover, the output end of the bus capacitor module 30 and the input end of the power module 40 can be mutually close to each other, so that the output end of the bus capacitor module 30 can be directly connected with the input end of the power module 40, and an additional connecting wire is not required to be adopted for connection, so that the investment of cost can be reduced, and the assembly efficiency can be improved.

Further, referring to fig. 6 to 9 in combination, in an embodiment of the inverter module 100 of the present invention, a mounting space 30a is disposed on a side of the bus capacitor module 30 away from the power module 40, and the filter module 20 is located in the mounting space 30a.

So set up, through setting up filter module 20 in the installation space 30a of bus bar capacitor module 30, can promote the integrated level between filter module 20 and the bus bar capacitor module 30 for filter module 20 and bus bar capacitor module 30's whole occupation volume is littleer, and then can further reduce the whole volume of contravariant module 100.

Further, referring to fig. 2 and 3 in combination, in an embodiment of the inverter module 100 of the present invention, a potting adhesive 1111 is disposed in the first mounting groove 111.

So set up, in the assembly process, can pack into filter module 20 and bus capacitor module 30 behind the first mounting groove 111 of support 10, pour into pouring sealant 1111 into in the first mounting groove 111, can encapsulate filter module 20 and bus capacitor module 30 simultaneously, integrated the embedment technology, compare in the mode of individual embedment, this scheme has saved equipment investment and manufacturing cost.

Illustratively, the material of the potting adhesive 1111 may be an epoxy.

Further, referring to fig. 2 and 3 in combination, in an embodiment of the inverter module 100 of the present invention, a cooling channel 14 is formed between the power module 40 and a wall of the second mounting groove 112.

So set up, in the assembly process, after loading the power module 40 into the second mounting groove 112 of the support 10, the cooling flow channel 14 can be formed between the power module 40 and the groove wall of the second mounting groove 112, and the cooling liquid can be introduced into the cooling flow channel 14, so that the heat generated in the working process of the power module 40 can be rapidly taken away under the flowing of the cooling liquid, so as to improve the output capability of the power module 40, and meanwhile, the heat dissipation effect is also provided for the bus capacitor module 30 and the filter module 20.

In the practical application process, the power module 40 may form the cooling flow channel 14 with the bottom wall of the second installation groove 112, may form the cooling flow channel 14 with the side wall of the second installation groove 112, and may form the cooling flow channel 14 with the bottom wall and the side wall of the second installation groove 112.

Further, referring to fig. 2 and 5 in combination, in an embodiment of the inverter module 100 of the present invention, a sealant 15 is disposed between an edge of the power module 40 and an edge of the slot opening of the second mounting groove 112, and the sealant 15 is used for sealing the cooling flow channel 14.

So configured, by providing the sealant 15 between the edge of the power module 40 and the slot edge of the second mounting groove 112, the cooling flow channel 14 can be sealed by the sealant 15 to avoid leakage of the cooling flow channel 14.

In addition, the pouring sealant 1111 and the sealant 15 can be baked and cured simultaneously, and compared with a single baking and curing mode, the scheme saves equipment investment, energy consumption and manufacturing cost, and meanwhile improves assembly efficiency.

Further, referring to fig. 3 to 5 in combination, in an embodiment of the inverter module 100 of the present invention, an annular groove 1121 is provided at a notch edge of the second mounting groove 112, and the sealant 15 is at least partially disposed in the annular groove 1121.

By the arrangement, the sealant 15 can be dispensed into the annular groove 1121, the problem that the sealant 15 drops before solidification can be solved, and most of the sealant 15 can be positioned in the annular groove 1121 after the sealant 15 is solidified, so that the sealing effect of the sealant 15 on the cooling flow channel 14 is improved.

The material of the sealant 15 may be, for example, a special polymer high resilience sealant of solvent-free two-component silyl groups. The sealant 15 may be formed by a CIPG process, which is a method of applying a liquid sealant on the flange surface, and then assembling the flange surface after heating and curing, so that a good sealing effect can be achieved.

Further, referring to fig. 2 and 5 in combination, in an embodiment of the inverter module 100 of the present invention, the bracket 10 includes a bracket body 11, a current sensor core 12, and a three-phase output copper bar 13; the frame 11 is provided with a first mounting groove 111 and a second mounting groove 112; the current sensor magnetic core 12 is integrated on the frame 11, and three current sensor magnetic cores 12 are arranged; each phase of copper bar of the three-phase output copper bar 13 is arranged through a magnetic core 12 of a current sensor, and the three-phase output copper bar 13 is connected with a three-phase output end of the power module 40.

So set up, in the in-process of moulding plastics, can directly imbed the support body 11 with current sensor magnetic core 12 and three-phase output copper bar 13 for current sensor magnetic core 12 and three-phase output copper bar 13 can become the part of support 10, make the integrated level of support 10 higher, and then make the integrated level of contravariant module 100 higher.

In the practical application process, the three-phase output copper bar 13 and the three-phase output end of the power module 40 can be connected by welding, screw connection and other modes, so as to realize the connection between the three-phase output copper bar 13 and the power module 40.

In the practical application process, the frame 11 may be a plastic part. Of course, the frame 11 may be a metal piece, when the frame 11 is a metal piece, the current sensor magnetic core 12 and the three-phase output copper bar 13 may be injection molded into a single part, and then assembled onto the frame 11, so as to achieve the same function of the integral plastic bracket 10; and, when using metal support 11, because the heat conduction effect of metal is better for support 11 is better to the radiating effect of generating line capacitance module 30 and filter module 20.

Further, referring to fig. 2 and 5 in combination, in an embodiment of the inverter module 100 of the present invention, the current sensor core 12 and the three-phase output copper bar 13 are located at one side of the three-phase output end of the power module 40.

So set up, can make current sensor magnetic core 12 and three-phase output copper bar 13 and power module 40's three-phase output be close to each other to make three-phase output copper bar 13 can be directly be connected with power module 40's three-phase output, need not to adopt extra connecting wire to connect, not only can reduce the input of cost, can also promote assembly efficiency.

Further, referring to fig. 1 to 3 in combination, in an embodiment of the inverter module 100 of the present invention, the inverter module 100 further includes a circuit board 50, and the circuit board 50 covers the notch of the first mounting groove 111 and the notch of the second mounting groove 112, and the signal pins of the power module 40 are electrically connected to the circuit board 50.

With this arrangement, the circuit board 50 can be integrated on the bracket 10 by covering the circuit board 50 on the notch of the first mounting groove 111 and the notch of the second mounting groove 112, so as to further improve the integration level of the inverter module 100; in addition, the circuit board 50 can limit and fix the filter module 20, the bus capacitor module 30 and the power module 40, so as to improve the installation stability of the filter module 20, the bus capacitor module 30 and the power module 40.

In the practical application process, the signal pins of the power module 40 may be specifically connected to the circuit board 50 by means of welding, screw connection, etc. to realize electrical connection between the signal pins of the power module 40 and the circuit board 50.

In the practical application process, the circuit board 50 may be fixed on the bracket 10 by screws or riveting to improve the installation reliability of the circuit board 50.

The invention also provides a motor controller, which comprises the inverter module 100, wherein the specific structure of the inverter module 100 refers to the above embodiment, and the motor controller adopts all the technical schemes of all the embodiments, so that the motor controller at least has all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted herein.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims

1. An integrated module, comprising:

a filtering module;

2. The integrated module of claim 1, wherein one side of the bus capacitor module is provided with an installation space, and the filter module is located in the installation space.

3. The integrated module of claim 2, wherein the bus capacitor module is provided with a plurality of core packages arranged at intervals, the plurality of core packages are combined to form the installation space, and the filter module is arranged close to at least one core package.

4. An integrated module as claimed in any one of claims 1 to 3, wherein an insulating member is provided between the busbar positive and negative conductors at the input of the busbar capacitance module.

5. An inverter module, comprising:

the integrated module of any one of claims 1-4, the filter module being integrated within the first mounting slot; the bus capacitor module is integrated in the first mounting groove;

6. The inverter module of claim 5, wherein the bus capacitor module is located between the filter module and the power module.

7. The inverter module of claim 6, wherein a mounting space is provided on a side of the bus capacitor module away from the power module, and the filter module is located in the mounting space.

8. The inverter module of any one of claims 5-7, wherein a potting adhesive is disposed in the first mounting groove.

9. The inverter module according to any one of claims 5 to 7, wherein a cooling flow passage is formed between the power module and a wall of the second mounting groove.

10. The inverter module of claim 9, wherein a sealant is disposed between an edge of the power module and an edge of the slot opening of the second mounting slot, the sealant being configured to seal the cooling flow channel.

11. The inverter module of claim 10, wherein the notch edge of the second mounting groove is provided with an annular groove, and the sealant is at least partially disposed in the annular groove.

12. The inverter module of any one of claims 5-7, wherein the bracket comprises:

13. The inverter module of claim 12, wherein the current sensor core and the three-phase output copper bar are both located on one side of a three-phase output of the power module.

14. The inverter module of any of claims 5-7, further comprising a circuit board covering the notch of the first mounting groove and the notch of the second mounting groove, the signal pins of the power module being electrically connected to the circuit board.

15. A motor controller comprising an inverter module as claimed in any one of claims 5 to 14.