Connector for frequency converter module

Abstract

A connector for a frequency converter module comprises a fixed base, a rectification module, an inversion module and a multi-pole interconnection short circuit piece assembly. Wherein the fixed base comprises a fixed substrate, a bottom plate, three power supply conductive terminals and a plurality of signal terminals; the multi-pole interconnection short circuit piece assembly comprises a first interconnection terminal and a second interconnection terminal. The rectification module comprises an insulation pedestal, three power supply terminals, at least three rectification signal terminals, and signal slots which are respectively inserted in signal compartments of the insulation pedestal. One end of the rectification signal terminal is inserted between the first elastic contact arm and the second elastic contact arm of the signal terminal in the first signal shell; the inversion module comprises a base, three power supply terminals and a plurality of inversion signal terminals.

Description

Technical Field

[0001] This utility model relates to the field of connectors, specifically to a connector for frequency converter modules. Background Technology

[0002] Commonly used inverter module connectors typically consist of a signal and power module, a rectifier module, or an inverter module, all soldered onto a circuit board.

[0003] The connectors for the inverter modules described above are complex to manufacture because the modules are connected by soldering circuit boards. Furthermore, soldering can lead to incomplete soldering or desoldering after prolonged use, affecting performance. Additionally, the circuit boards are prone to overheating and burn-out under high current conditions. Summary of the Invention

[0004] The purpose of this invention is to design a connector for inverter modules. The various functional modules are connected by a mechanical structure, which makes the connector easier and more reliable to install and use. The manufacturing process is also simpler than the existing technology, and it also reduces the difficulty and cost of manufacturing parts. In particular, because this invention uses a mechanical structure connection, it overcomes the defect that the circuit board cannot carry a large current, meets UL design standards, and has a temperature rise value of less than 30 degrees.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] A connector for a frequency converter module includes a fixed base, a rectifier module, an inverter module, and a multi-pole interconnecting shorting plate assembly; wherein,

[0007] The fixed base includes,

[0008] A fixed substrate has several partitions arranged side by side along the length direction on its bottom surface, forming several independent compartments in the length direction, and the two sides are divided into power compartments and signal compartments; a first power housing and a first signal housing are provided on one side of the partitions corresponding to the power compartments and signal compartments; power slots and signal slots corresponding to each power compartment and signal compartment, and corresponding second power housings and second signal housings are provided on the fixed substrate.

[0009] A base plate, disposed on the bottom surface of a partition forming a power supply compartment and a signal compartment on the fixed base plate, forms a closed chamber;

[0010] Three power conductive terminals are respectively inserted into each power compartment. Each power conductive terminal includes a U-shaped fixing part, a first connecting terminal extending from one end of the fixing part, and a second and third connecting terminal extending from the other end of the U-shaped fixing part. The first connecting terminal includes two bases extending outward from the upper and lower sides of the U-shape of the fixing part, and two first and second elastic contact arms extending parallel to each other from the two bases. The second connecting terminal extends outward from the lower side of the other end of the U-shape of the fixing part. The third connecting terminal extends upward from the upper side of the other end of the U-shape of the fixing part. The fixing part is disposed in the power compartment, the first connecting terminal is located inside the first power housing, and the third connecting terminal extends from the power slot into the second power housing.

[0011] A plurality of signal terminals, each signal terminal including a U-shaped fixing portion, a first connecting terminal extending from one end of the fixing portion, and a second and third connecting terminals extending from the other end of the U-shaped fixing portion; wherein, the first connecting terminal includes two base portions extending outward from the upper and lower sides of the U-shape of the fixing portion, and two first and second elastic contact arms extending parallel to each other from the two base portions; the second connecting terminal extends outward from the lower side of the other end of the U-shape of the fixing portion; the third connecting terminal extends upward from the upper side of the other end of the U-shape of the fixing portion; the fixing portion is disposed in a signal compartment, the first connecting terminal is located in a first signal housing, and the third connecting terminal extends from a signal slot into a second signal housing;

[0012] The multi-pole interconnect short-circuit assembly includes a first interconnect terminal and a second interconnect terminal; wherein...

[0013] The first interconnecting terminal includes a U-shaped fixing portion, a first connecting terminal extending from one end of the fixing portion, and a second connecting terminal extending from the other end of the U-shaped fixing portion; wherein, the first connecting terminal includes two base portions extending outward from the upper and lower sides of the U-shape of the fixing portion, and two first elastic contact arms and a second elastic contact arm extending from the two base portions and arranged parallel to each other; the second connecting terminal is formed by bending upward from the upper side of the other end of the U-shape of the fixing portion; the fixing portion is disposed in a signal compartment, the first connecting terminal is located in a first signal housing; the second connecting terminal extends from the signal slot into the second signal housing;

[0014] The second interconnecting terminal is L-shaped, with one side disposed in the signal compartment where the first interconnecting terminal is fixed, and the other side extending from the signal slot adjacent to the second connecting terminal of the first interconnecting terminal to the first connecting terminal inside the second signal housing;

[0015] The rectifier module is inserted into the first power housing and the first signal housing of the fixed base. The rectifier module includes...

[0016] The insulating base is a shell structure, which is divided into several parallel independent compartments along its length by partitions, namely power supply compartments and signal compartments; each power supply compartment and signal compartment is provided with a power slot and a signal slot respectively; the power supply compartment and the signal compartment correspond to the first power supply shell and the first signal shell;

[0017] Three power terminals are respectively inserted into the power slots in the power compartment of the insulating base; each power terminal includes a base and a first contact portion and a second contact portion extending outward from both ends of the base; the first contact portion is inserted between the first elastic contact arm and the second elastic contact arm of the first connecting terminal of the power conductive terminal in the first power housing.

[0018] At least three rectified signal terminals are respectively inserted into signal slots in the signal compartment of the insulating base; one end of the rectified signal terminal is inserted between the first elastic contact arm and the second elastic contact arm of the signal terminal in the first signal housing;

[0019] The inverter module is inserted into the second power housing and the second signal housing of the fixed base; the inverter module includes:

[0020] The base is a shell that includes:

[0021] A base plate has several longitudinal partitions spaced parallel to each other along its length, forming several independent compartments on the base plate. Among them, three compartments on one side are power supply compartments, and the compartments on the other side are inverter compartments. Each compartment has a through hole at the rear of its base plate. Each compartment has a horizontal partition at the front of its interior. The bottom surface of the base plate has power supply housings and inverter housings protruding from the corresponding through holes, respectively corresponding to the second power supply housing and the second signal housing. Preferably, the inverter housing of the inverter compartment is an integral structure.

[0022] The rear end plate is located at the rear of the base plate.

[0023] Three power terminals, each power terminal comprising a U-shaped fixed base, two elastic contact portions extending from both sides of the U-shaped structure at one end of the fixed base and bent inward to form two elastic contact portions, and a contact portion extending from one side of the U-shaped structure at the other end of the fixed base and bent outward to form a contact portion; the fixed base is inserted into the power compartment of the base, and the elastic contact portions extend from the through holes of the bottom plate and clamp the third connecting terminal of the power conductive terminal inside the second power housing; the contact portions are located on the partition inside the power compartment;

[0024] A plurality of inverter signal terminals, the inverter signal terminals including a U-shaped fixed base, two elastic contact portions extending from both sides of the U-shaped structure at one end of the fixed base and bent inward to form two elastic contact portions, and a contact portion extending from one side of the U-shaped structure at the other end of the fixed base and bent outward to form one contact portion; the fixed base is inserted into the power supply compartment of the base, and the elastic contact portions extend from the through holes of the bottom plate and clamp the third connection terminal, the first interconnection terminal, and the second interconnection terminal of the signal terminal in the second signal housing.

[0025] Preferably, the first elastic contact arm and the second elastic contact arm are designed with at least two bends to form at least two contact portions, thereby forming at least two contact points with the inserted male terminal in the length direction.

[0026] Preferably, the fixing base plate, partition, first power supply housing, first signal housing, second power supply housing, and second signal housing of the fixing base are an integral structure.

[0027] Preferably, the insulating base of the rectifier module and the partition inside it are an integral structure.

[0028] Preferably, the base plate of the inverter module and its longitudinal partition, partition, rear end plate, power supply housing, and inverter housing are an integral structure.

[0029] Preferably, the insulating base of the rectifier module is provided with fixing members on both sides for fixing the rectifier circuit board, and correspondingly, the rectifier circuit board is provided with fixing structures on both sides that cooperate with the fixing members.

[0030] Preferably, the base of the inverter module is provided with fasteners on both sides for fixing the inverter circuit board, and correspondingly, the inverter circuit board is provided with fixing structures on both sides that cooperate with the fasteners.

[0031] Preferably, the fastener is a snap-fit ​​fastener, and the fastening structure is a fixing hole for the snap-fit ​​fastener to snap into place.

[0032] The beneficial effects of this utility model are:

[0033] The high-voltage part of this utility model adopts a multi-point plug-in structure of male and female ends, which can cope with the influence of vibration and loosening in complex environments.

[0034] This utility model's low-voltage section, namely the rectifier module or inverter module, differs from other products on the market in its complex short-circuit connection method, which uses a multi-stage, multi-component connection method. It adopts a mechanical connection method to provide different short-circuit connection methods according to customer customization needs, which can save a lot of operation time and effectively prevent operators from making incorrect short-circuit connections. Because it is a mechanical connection, the connection status of the multi-pole interconnected short-circuit plates can be visually observed.

[0035] The multi-pole interconnect short-circuit plate assembly of this utility model uses two interconnect terminals, which can be plugged into relevant functional modules as needed.

[0036] This utility model can be supplied in segments, that is, each module can be separated and supplied separately, or different combinations can be provided according to different connection methods, and the number of poles is not limited, so as to meet different customer needs.

[0037] The various functional modules and multi-pole interconnecting short-circuit plates of this utility model are connected by a mechanical structure, which makes the connector installation and use more convenient and reliable. The manufacturing process is also simpler than the existing technology, and it also reduces the difficulty and cost of manufacturing parts.

[0038] Because the functional modules of this utility model are connected by a mechanical structure, it overcomes the shortcomings of the circuit board connection method used in the prior art, which cannot carry large currents. The temperature rise is below 30 degrees Celsius, which fully complies with UL design standards. Attached Figure Description

[0039] Figure 1 This is a perspective view of an embodiment of the present utility model;

[0040] Figure 2 This is an exploded perspective view of an embodiment of the present utility model;

[0041] Figure 3 This is a perspective view of the fixed base in an embodiment of the present utility model;

[0042] Figure 4 An exploded view of the fixed base in this embodiment of the present invention. Figure 1 ;

[0043] Figure 5 An exploded view of the fixed base in this embodiment of the present invention. Figure 2 ;

[0044] Figure 6 An exploded view of the fixing base and fixing plate in the embodiments of this utility model. Figure 1 ;

[0045] Figure 7 An exploded view of the fixing base and fixing plate in the embodiments of this utility model. Figure 2 ;

[0046] Figure 8 This is a perspective view of the rectifier module in an embodiment of the present utility model;

[0047] Figure 9 A three-dimensional breakdown of the rectifier module in this embodiment of the present invention. Figure 1 ;

[0048] Figure 10 A three-dimensional breakdown of the rectifier module in this embodiment of the present invention. Figure 2 ;

[0049] Figure 11 This is a perspective view of the inverter module in an embodiment of this utility model;

[0050] Figure 12 A three-dimensional breakdown of the inverter module in this embodiment of the present invention. Figure 1 ;

[0051] Figure 13 A three-dimensional breakdown of the inverter module in this embodiment of the present invention. Figure 2 ;

[0052] Figure 14 This is a top view of the inverter module base in an embodiment of this utility model. Detailed Implementation

[0053] See Figures 1-14 The inverter module connector of this utility model includes a fixed base 100, a rectifier module 200, an inverter module 300, and a multi-pole interconnection shorting piece assembly 400; wherein,

[0054] Fixed base 100, including,

[0055] A fixed substrate 1 has several partitions 11 arranged side by side along the length direction on its bottom surface, forming several independent compartments in the length direction, and the two sides are divided into power compartments 101 and signal compartments 102; a first power housing 12 and a first signal housing 13 are provided on one side of the partitions 11 corresponding to the power compartments 101 and signal compartments 102; power slots 1011 and signal slots 1021 and corresponding second power housings 14 and second signal housings 15 are provided on the fixed substrate 1 for each power compartment 101 and signal compartment 102;

[0056] The base plate 16 is disposed on the bottom surface of the partition 11 forming the power compartment 101 and the signal compartment 102 on the fixed base plate 1, forming a closed cavity;

[0057] Three power conductive terminals 2 are respectively inserted into each power compartment 101; each power conductive terminal 2 includes a U-shaped fixing part 201, a first connecting terminal 202 extending from one end of the fixing part 201, and a second connecting terminal 203 and a third connecting terminal 204 extending from the other end of the U-shaped fixing part 201; wherein, the first connecting terminal 202 includes two bases 2021 extending outward from the upper and lower sides of the U-shape of the fixing part 201, and two vertically parallel terminals extending from the two bases 2021. The first elastic contact arm 2022 and the second elastic contact arm 2023 are provided; the second connecting terminal 203 is formed by extending outward from the lower side of the other end of the U-shape of the fixing part 201; the third connecting terminal 204 is formed by bending upward from the upper side of the other end of the U-shape of the fixing part 201; the fixing part 201 is provided in the power supply compartment 101, the first connecting terminal 202 is located in the first power supply housing 12; the third connecting terminal 204 extends from the power supply slot 1011 into the second power supply housing 14;

[0058] A plurality of signal terminals 3, each signal terminal 3 including a U-shaped fixing portion 31, a first connecting terminal 32 extending from one end of the fixing portion 31, and a second connecting terminal 33 and a third connecting terminal 34 extending from the other end of the fixing portion 31; wherein, the first connecting terminal 32 includes two base portions 321 extending outward from the upper and lower sides of the U-shape of the fixing portion 31, and two first elastic contact arms 322 and second elastic contact arms 323 extending from the two base portions 321 and arranged parallel to each other; the second connecting terminal 33 extends outward from the lower side of the other end of the U-shape of the fixing portion 31; the third connecting terminal 34 extends upward from the upper side of the other end of the U-shape of the fixing portion 31; the fixing portion 31 is disposed in the signal compartment 102, the first connecting terminal 32 is located in the first signal housing 13; the third connecting terminal 34 extends from the signal slot 1021 into the second signal housing 15;

[0059] A multi-pole interconnect shorting chip assembly 400 includes a first interconnect terminal 4 and a second interconnect terminal 5; wherein,

[0060] The first interconnecting terminal 4 includes a U-shaped fixing portion 41, a first connecting terminal 42 extending from one end of the fixing portion 41, and a second connecting terminal 43 extending from the other end of the U-shaped fixing portion 41. The first connecting terminal 42 includes two base portions 421 extending outward from the upper and lower sides of the U-shape of the fixing portion 41, and two parallel first elastic contact arms 422 and second elastic contact arms 423 extending from the two base portions 421. The second connecting terminal 43 is formed by bending upward from the upper side of the other end of the U-shape of the fixing portion 41. The fixing portion 41 is disposed within the signal compartment 102, and the first connecting terminal 42 is located within the first signal housing 13. The second connecting terminal 43 extends from the signal slot 1021 into the second signal housing 15.

[0061] The second interconnecting terminal 5 is L-shaped, with one side disposed in the signal compartment 102 where the first interconnecting terminal 4 is fixed 41, and the other side extending from the signal slot 1021 adjacent to the second connecting terminal 43 of the first interconnecting terminal 4 to the first connecting terminal 32 in the second signal housing 15.

[0062] A rectifier module 200 is inserted into the first power housing 12 and the first signal housing 13 of the fixed base 100. The rectifier module 200 includes...

[0063] The insulating base 6 is a shell structure, which is divided into several parallel independent compartments along its length by partitions, namely a power compartment 601 and a signal compartment 602; each power compartment 601 and signal compartment 602 is provided with a power slot 6011 and a signal slot 6021 respectively; the power compartment 601 and signal compartment 602 correspond to the first power housing 12 and the first signal housing 13;

[0064] Three power terminals 7 are respectively inserted into power slots 6011 in the power compartment 601 of the insulating base 6; each power terminal 7 includes a base 71 and a first contact portion 72 and a second contact portion 73 extending outward from both ends of the base 71; the first contact portion 72 is inserted between the first elastic contact arm 2022 and the second elastic contact arm 2023 of the first connecting terminal 202 of the power conductive terminal 2 in the first power housing 12.

[0065] At least three rectified signal terminals 8 are respectively inserted into signal slots 6021 in signal compartments 602 of insulating base 6; one end of the rectified signal terminal 8 is inserted between the first elastic contact arm 322 and the second elastic contact arm 323 of signal terminal 3 in first signal housing 13.

[0066] Inverter module 300 is inserted into the second power housing 14 and the second signal housing 15 of the fixed base 100; the inverter module 300 includes:

[0067] The base 17 is a shell, which includes:

[0068] A base plate 171 has several longitudinal partitions 172 arranged side by side along its length, forming several independent compartments. Three compartments on one side are power supply compartments 1701, and the compartments on the other side are inverter compartments 1702. Each compartment has a through hole 1711 at the rear of the base plate 171. Each compartment has a horizontal partition 173 and 173' at the front of each compartment. The bottom surface of the base plate 171 has a power supply housing 174 and an inverter housing 175 protruding from the through hole 1711, respectively corresponding to the second power supply housing 14 and the second signal housing 15. Preferably, the inverter housing 175 of the inverter compartment 1702 is an integral structure.

[0069] The rear end plate 176 is located at the rear end of the base plate 171;

[0070] Three power terminals 18, each power terminal 18 including a U-shaped fixed base 181, two elastic contact portions 182 extending from both sides of the U-shaped structure at one end of the fixed base 181 and bent inward, and a contact portion 183 extending from one side of the U-shaped structure at the other end of the fixed base 181 and bent outward; the fixed base 181 is inserted into the power compartment 1701 of the base 17, the elastic contact portion 182 extends from the through hole 1711 of the bottom plate 171 and clamps the third connection terminal 204 of the power conductive terminal 2 in the second power housing 14; the contact portion 183 is located on the partition 173 in the power compartment 1701.

[0071] A plurality of inverter signal terminals 19, each inverter signal terminal 19 including a U-shaped fixed base 191, two elastic contact portions 192 extending from both sides of the U-shaped structure at one end of the fixed base 191 and bent inward, and a contact portion 193 extending from one side of the U-shaped structure at the other end of the fixed base 191 and bent outward; the fixed base 191 is inserted into the power compartment 1701 of the base 17, and the elastic contact portion 192 extends out from the through hole 1711 of the bottom plate 171 and clamps the third connection terminal 34, the first interconnection terminal 4, and the second interconnection terminal 5 of the signal terminal 3 in the second signal housing 15.

[0072] Preferably, the first elastic contact arm 2022 and the second elastic contact arm 2023 are designed with at least two bends to form at least two contact portions, thereby forming at least two contact points with the inserted male terminal in the length direction.

[0073] Preferably, the fixing base plate, partition, first power supply housing, first signal housing, second power supply housing, and second signal housing of the fixing base are an integral structure.

[0074] Preferably, the insulating base of the rectifier module and the partition inside it are an integral structure.

[0075] Preferably, the base plate of the inverter module and its longitudinal partition, partition, rear end plate, power supply housing, and inverter housing are an integral structure.

[0076] Preferably, the insulating base of the rectifier module is provided with fixing members on both sides for fixing the rectifier circuit board, and correspondingly, the rectifier circuit board is provided with fixing structures on both sides that cooperate with the fixing members.

[0077] Preferably, the base of the inverter module is provided with fasteners on both sides for fixing the inverter circuit board, and correspondingly, the inverter circuit board is provided with fixing structures on both sides that cooperate with the fasteners.

[0078] Preferably, the fastener is a snap-fit ​​fastener, and the fastening structure is a fixing hole for the snap-fit ​​fastener to snap into place.

Claims

1. A connector for a frequency converter module, characterized in that, This includes a fixed base, a rectifier module, an inverter module, and a multi-pole interconnected short-circuit assembly; among which, The fixed base includes, A fixed substrate has several partitions arranged side by side along the length direction on its bottom surface, forming several independent compartments in the length direction, and the two sides are divided into power compartments and signal compartments; a first power housing and a first signal housing are provided on one side of the partitions corresponding to the power compartments and signal compartments; power slots and signal slots corresponding to each power compartment and signal compartment, and corresponding second power housings and second signal housings are provided on the fixed substrate. A base plate, disposed on the bottom surface of a partition forming a power supply compartment and a signal compartment on the fixed base plate, forms a closed chamber; Three power conductive terminals are respectively inserted into each power compartment. Each power conductive terminal includes a U-shaped fixing part, a first connecting terminal extending from one end of the fixing part, and a second and third connecting terminal extending from the other end of the U-shaped fixing part. The first connecting terminal includes two bases extending outward from the upper and lower sides of the U-shape of the fixing part, and two first and second elastic contact arms extending parallel to each other from the two bases. The second connecting terminal extends outward from the lower side of the other end of the U-shape of the fixing part. The third connecting terminal extends upward from the upper side of the other end of the U-shape of the fixing part. The fixing part is disposed in the power compartment, the first connecting terminal is located inside the first power housing, and the third connecting terminal extends from the power slot into the second power housing. A plurality of signal terminals, each signal terminal including a U-shaped fixing portion, a first connecting terminal extending from one end of the fixing portion, and a second and third connecting terminals extending from the other end of the U-shaped fixing portion; wherein, the first connecting terminal includes two base portions extending outward from the upper and lower sides of the U-shape of the fixing portion, and two first and second elastic contact arms extending parallel to each other from the two base portions; the second connecting terminal extends outward from the lower side of the other end of the U-shape of the fixing portion; the third connecting terminal extends upward from the upper side of the other end of the U-shape of the fixing portion; the fixing portion is disposed in a signal compartment, the first connecting terminal is located in a first signal housing, and the third connecting terminal extends from a signal slot into a second signal housing; The multi-pole interconnect short-circuit assembly includes a first interconnect terminal and a second interconnect terminal; wherein... The first interconnecting terminal includes a U-shaped fixing portion, a first connecting terminal extending from one end of the fixing portion, and a second connecting terminal extending from the other end of the U-shaped fixing portion; wherein, the first connecting terminal includes two base portions extending outward from the upper and lower sides of the U-shape of the fixing portion, and two first elastic contact arms and a second elastic contact arm extending from the two base portions and arranged parallel to each other; the second connecting terminal is formed by bending upward from the upper side of the other end of the U-shape of the fixing portion; the fixing portion is disposed in a signal compartment, the first connecting terminal is located in a first signal housing; the second connecting terminal extends from the signal slot into the second signal housing; The second interconnecting terminal is L-shaped, with one side disposed in the signal compartment where the first interconnecting terminal is fixed, and the other side extending from the signal slot adjacent to the second connecting terminal of the first interconnecting terminal to the first connecting terminal inside the second signal housing; The rectifier module is inserted into the first power housing and the first signal housing of the fixed base. The rectifier module includes... The insulating base is a shell structure, which is divided into several parallel independent compartments along its length by partitions, namely power supply compartments and signal compartments; each power supply compartment and signal compartment is provided with a power slot and a signal slot respectively; the power supply compartment and the signal compartment correspond to the first power supply shell and the first signal shell; Three power terminals are respectively inserted into the power slots in the power compartment of the insulating base; each power terminal includes a base and a first contact portion and a second contact portion extending outward from both ends of the base; the first contact portion is inserted between the first elastic contact arm and the second elastic contact arm of the first connecting terminal of the power conductive terminal in the first power housing. At least three rectified signal terminals are respectively inserted into signal slots in the signal compartment of the insulating base; one end of the rectified signal terminal is inserted between the first elastic contact arm and the second elastic contact arm of the signal terminal in the first signal housing; The inverter module is inserted into the second power housing and the second signal housing of the fixed base; the inverter module includes: The base is a shell that includes: The base plate has several longitudinal partitions arranged side by side along its length, forming several independent compartments. Three compartments on one side are power supply compartments, and the compartments on the other side are inverter compartments. Each compartment has a through hole at the rear of its base plate. Each compartment has a horizontal partition at the front of its interior. The bottom surface of the base plate has power supply housings and inverter housings protruding from the corresponding through holes, which correspond to the second power supply housing and the second signal housing, respectively. The rear end plate is located at the rear of the base plate. Three power terminals, each power terminal comprising a U-shaped fixed base, two elastic contact portions extending from both sides of the U-shaped structure at one end of the fixed base and bent inward to form two elastic contact portions, and a contact portion extending from one side of the U-shaped structure at the other end of the fixed base and bent outward to form a contact portion; the fixed base is inserted into the power compartment of the base, and the elastic contact portions extend from the through holes of the bottom plate and clamp the third connecting terminal of the power conductive terminal inside the second power housing; the contact portions are located on the partition inside the power compartment; A plurality of inverter signal terminals, the inverter signal terminals including a U-shaped fixed base, two elastic contact portions extending from both sides of the U-shaped structure at one end of the fixed base and bent inward to form two elastic contact portions, and a contact portion extending from one side of the U-shaped structure at the other end of the fixed base and bent outward to form one contact portion; the fixed base is inserted into the power supply compartment of the base, and the elastic contact portions extend from the through holes of the bottom plate and clamp the third connection terminal, the first interconnection terminal, and the second interconnection terminal of the signal terminal in the second signal housing.

2. The connector for a frequency converter module as described in claim 1, characterized in that, The first elastic contact arm and the second elastic contact arm are designed with at least two bends to form at least two contact portions, thereby forming at least two contact points with the inserted male terminal in the length direction.

3. The connector for a frequency converter module as described in claim 1, characterized in that, The insulating base of the rectifier module is provided with fixing components on both sides for fixing the rectifier circuit board, and correspondingly, the rectifier circuit board is provided with fixing structures on both sides that cooperate with the fixing components.

4. The connector for a frequency converter module as described in claim 1, characterized in that, The base of the inverter module is provided with fasteners on both sides for fixing the inverter circuit board, and correspondingly, the inverter circuit board is provided with fixing structures on both sides that cooperate with the fasteners.

5. The connector for a frequency converter module as described in claim 3 or 4, characterized in that, The fastener is a snap-fit ​​component, and the fastening structure is a fixing hole for the snap-fit ​​component to snap into place.

6. The connector for a frequency converter module as described in claim 1, characterized in that, The fixed base, the fixed base plate, the partition, the first power supply housing, the first signal housing, the second power supply housing, and the second signal housing are an integral structure.

7. The connector for a frequency converter module as described in claim 1 or 3, characterized in that, The insulating base and the internal partition of the rectifier module are an integral structure.

8. The connector for a frequency converter module as described in claim 1 or 4, characterized in that, The base plate of the inverter module and its longitudinal partitions, partitions, rear end plate, power supply housing, and inverter housing are an integral structure.

9. The connector for a frequency converter module as described in claim 1, characterized in that, The inverter housing of the inverter compartment is a single-piece structure.

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