New energy controller

Abstract

The invention discloses a new energy controller, and relates to the technical field of controllers. Comprising a case, and a water cooling tank is arranged in the case. The control board, the power board and the IGBT module are in data signal connection in a plug-in mode, the IGBT module is cooled through circulating water cooling of the water cooling groove, then heat dissipation is indirectly conducted on the power board and the control board, the overall temperature of elements in a machine case can be reduced to be within the standard range, and therefore the service life of a product is prolonged; the heat dissipation efficiency of the IGBT module is further ensured, the arrangement of a water-cooling sealing ring prevents liquid in a water-cooling groove from leaking into the interior of the case, the case sealing ring is matched with an interface sealing ring, the interface and the case can be sealed with the upper cover plate at the same time, and the arrangement of an access hole facilitates wiring and maintenance operation. The maintenance cover plate and the cover plate sealing ring are used for sealing the maintenance opening, and the multiple sealing rings are arranged, so that the overall sealing performance of the product is greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of controllers, in particular to a new energy controller. Background Art

[0002] The new energy controller is used to control the high and low speed conversion of new energy vehicles and to change the gear to change the speed. However, the existing new energy controller still has the following shortcomings when used: The IGBT, power board and control board inside the new energy controller will generate a lot of heat when working, especially the IGBT will generate higher heat, which causes the new energy controller to often have various problems due to excessively high product temperature, and the use effect is not ideal. Summary of the invention

[0003] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a new energy controller, comprising a chassis, a water cooling trough is arranged inside the chassis, an IGBT module is arranged on the top of the water cooling trough, a plastic seat is arranged inside the chassis on one side of the water cooling trough, a waterproof connector with one end extending to the inside of the plastic seat is arranged on one side of the chassis, a power board is arranged on the top of the IGBT module, a control board is also arranged on the top of the power board, an upper cover is arranged on the top of the chassis, an inspection port corresponding to the plastic seat is arranged inside the upper cover, a water cooling sealing ring is arranged between the water cooling trough and the IGBT module, a chassis sealing ring is arranged between the chassis and the upper cover, a cover sealing ring is arranged on the top of the inspection port, and a capacitor is also arranged inside the chassis.

[0004] As a preferred technical solution of the present invention, two water-cooling joints connected to the inside of the water-cooling tank are provided on one side of the chassis, a sealing sleeve is provided on the water-cooling joint, a circle of water-cooling sealing groove is provided on the top of the water-cooling tank, and the water-cooling sealing ring is embedded in the inside of the water-cooling sealing groove.

[0005] As a preferred technical solution of the present invention, the bottom of the IGBT module is provided with a circle of grooves that are engaged with the top of the water-cooling sealing ring, and the bottom of the IGBT module is also provided with a plurality of heat-conducting fins with one end extending into the water-cooling groove, and the top of the IGBT module is provided with a plurality of pins whose top ends are plugged into the bottom of the power board.

[0006] As a preferred technical solution of the present invention, a sheet metal seat is provided inside the chassis, a through hole is provided inside the sheet metal seat, the sheet metal seat is located above the power board, and a plug is provided on the top of the power board, the top of which passes through the through hole and is plugged into the bottom of the control board.

[0007] As a preferred technical solution of the present invention, two studs 1 are symmetrically arranged inside the chassis, connecting ears corresponding to the two studs 1 are arranged at both ends of the capacitor, the connecting ears are fixed to the studs 1 by screws, two studs 2 are arranged at one end of the top of the sheet metal seat, and the control board is fixed to the inside of the sheet metal seat by screws of studs 2.

[0008] As a preferred technical solution of the present invention, a maintenance cover for covering the inspection port is provided on the top of the upper cover plate, a bus interface is provided at the bottom of one end of the control panel, and a avoidance groove which is socketed with the bus interface is provided on one side of the chassis.

[0009] As a preferred technical solution of the present invention, a chassis sealing groove is commonly provided on the top circle of the chassis and the inside of the avoidance groove, an interface sealing ring is provided on the bottom of one side of the chassis sealing ring, the inside of the interface sealing ring is socketed with the outside of the bus interface, and the chassis sealing ring and the joint sealing ring are commonly nested in the inside of the chassis sealing groove.

[0010] As a preferred technical solution of the present invention, one side of the plastic seat is provided with at least one wiring slot, and the other side is provided with a copper busbar with one end extending to the power board and the control board, one side of the plastic seat is provided with at least one magnetic ring, and the number of the waterproof connectors is at least one, and one end of the waterproof connector passes through the magnetic ring and extends to the inside of the wiring slot.

[0011] As a preferred technical solution of the present invention, a fixing plate is provided on one side of the chassis, a connecting plate is provided on the outside of the waterproof connector, the connecting plate and the fixing plate are fixed by locking screws, and at least one mounting base is provided on both sides of the chassis.

[0012] As a preferred technical solution of the present invention, a ventilation valve is further provided on the top of one side of the chassis, and a plurality of plastic parts respectively located on both sides of the IGBT module are provided inside the chassis.

[0013] Compared with the prior art, the present invention provides a new energy controller, which has the following beneficial effects: In this new energy controller, the control board, power board and IGBT module are connected by plug-in for data signal connection. The IGBT module is cooled by circulating water in the water cooling tank, and then the power board and control board are indirectly dissipated, so that the overall temperature of the components inside the chassis can be reduced to the standard range, thereby improving the service life of the product. The design of the thermal fins further ensures the heat dissipation efficiency of the IGBT module. The setting of the water cooling sealing ring prevents the liquid inside the water cooling tank from leaking into the inside of the chassis. The chassis sealing ring cooperates with the interface sealing ring to seal the interface and the chassis and the upper cover at the same time. The setting of the inspection port facilitates wiring and maintenance operations. The inspection port is sealed by the maintenance cover and the cover sealing ring. The setting of multiple sealing rings greatly improves the overall sealing of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural explosion diagram of a new energy controller proposed by the present invention; Figure 2 This is a schematic diagram of the structure of a plastic base of a new energy controller proposed by the present invention; Figure 3 This is a schematic diagram of the IGBT module structure of a new energy controller proposed by the present invention; Figure 4 A schematic diagram of the control panel structure of a new energy controller proposed by the present invention; Figure 5 This is a schematic diagram of the chassis structure of a new energy controller proposed in the present invention.

[0015] In the figure: 1. chassis; 101. water cooling groove; 102. water cooling sealing groove; 103. water cooling joint; 1031. sealing sleeve; 104. stud 1; 105. avoidance groove; 106. chassis sealing groove; 107. mounting seat; 108. fixing plate; 109. breather valve; 2. plastic seat; 201. wiring groove; 202. magnetic ring; 203. copper busbar; 204. connecting strip; 205. fixing hole; 206. screw; 3. waterproof connector; 301. connecting Connecting board; 4. IGBT module; 401. Plug; 402. Thermal fin; 5. Power board; 501. Plug; 6. Sheet metal seat; 601. Through hole; 602. Stud 2; 7. Control board; 701. Bus interface; 8. Upper cover; 801. Inspection port; 9. Maintenance cover; 10. Water cooling seal; 11. Chassis seal; 1101. Interface seal; 12. Cover seal; 13. Plastic part; 14. Capacitor; 1401. Connecting ear. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-5 A new energy controller comprises a chassis 1, wherein a water cooling groove 101 is arranged inside the chassis 1, an IGBT module 4 is arranged on the top of the water cooling groove 101, a plastic seat 2 is arranged on one side of the water cooling groove 101 inside the chassis 1, a waterproof connector 3 with one end extending to the inside of the plastic seat 2 is arranged on one side of the chassis 1, a power board 5 is arranged on the top of the IGBT module 4, a control board 7 is also arranged on the top of the power board 5, an upper cover plate 8 is arranged on the top of the chassis 1, an inspection port 801 corresponding to the plastic seat 2 is arranged inside the upper cover plate 8, a water cooling sealing ring 10 is arranged between the water cooling groove 101 and the IGBT module 4, a chassis sealing ring 11 is arranged between the chassis 1 and the upper cover plate 8, a cover plate sealing ring 12 is arranged on the top of the inspection port 801, and a capacitor 14 is also arranged inside the chassis 1.

[0018] The control board 7, the power board 5 and the IGBT module 4 are connected by plugging for data signal connection, and the IGBT module 4 is cooled by circulating water in the water cooling tank 101, thereby indirectly dissipating the heat of the power board 5 and the control board 7, so that the overall temperature of the internal components of the chassis 1 can be reduced to within the standard range, thereby improving the service life of the product. The design of the thermal fins 402 further ensures the heat dissipation efficiency of the IGBT module 4, solves the problems of slow heat dissipation and high temperature, and reduces the occurrence of failures due to high heat.

[0019] The components in the chassis 1 are mostly fixed with screws 206, which makes disassembly more convenient, greatly reduces the difficulty of assembly, shortens the assembly time, reduces the production cycle, reduces the defective rate, and increases the quality of the product.

[0020] The chassis 1 and the water cooling tank 101 are made of a large piece of aluminum material, which greatly improves the heat dissipation area and heat dissipation efficiency.

[0021] The structural design is compatible with multiple models of products, reducing production difficulties.

[0022] The provision of the water-cooling sealing ring 10 prevents the liquid inside the water-cooling tank 101 from leaking into the interior of the chassis 1. The chassis sealing ring 11 cooperates with the interface sealing ring 1101 to seal the interface and between the chassis 1 and the upper cover 8 at the same time. The provision of the inspection port 801 facilitates wiring and maintenance operations. The inspection port 801 is sealed by the maintenance cover 9 and the cover sealing ring 12. The provision of multiple sealing rings greatly improves the overall waterproof and dustproof performance of the product.

[0023] As a specific technical solution of this embodiment, two water-cooling joints 103 connected to the inside of the water-cooling tank 101 are provided on one side of the chassis 1, and a sealing sleeve 1031 is provided on the water-cooling joint 103. A circle of water-cooling sealing groove 102 is provided on the top of the water-cooling tank 101, and the water-cooling sealing ring 10 is embedded in the inside of the water-cooling sealing groove 102.

[0024] In this embodiment, the two water-cooling joints 103 are respectively used for cooling water to enter and discharge, so that the cooling water circulates inside the water-cooling tank 101 to achieve heat dissipation for the IGBT module 4. The water-cooling tank 101 and the chassis 1 are both made of aluminum, which can quickly dissipate heat, further ensuring the heat dissipation efficiency of the IGBT module 4, the power board 5 and the control board 7, so that the product can maintain a normal temperature state and reduce various abnormal faults caused by excessive temperature. The sealing sleeve 1031 on the water-cooling joint 103 can ensure the sealing of the pipeline connection and avoid leakage.

[0025] As a specific technical solution of this embodiment, the bottom of the IGBT module 4 is provided with a circle of grooves that are clamped with the top of the water-cooling sealing ring 10, and the bottom of the IGBT module 4 is also provided with a plurality of heat-conducting fins 402 with one end extending into the water-cooling groove 101, and the top of the IGBT module 4 is provided with a plurality of pins 401 whose top ends are plugged into the bottom of the power board 5.

[0026] In this embodiment, the arrangement of multiple heat-conducting fins 402, in conjunction with the water cooling cycle, further ensures the heat dissipation efficiency of the IGBT module 4. The IGBT module 4 and the power board 5 are plugged in and connected via the pins 401. The internal structure is neat and simple, and assembly and disassembly are convenient. The bottom of the IGBT module 4 and the top of the water cooling tank 101 are respectively provided with grooves nested with the top and bottom of the water cooling sealing ring 10, further ensuring the sealing of the water cooling tank 101 and preventing the circulating water from overflowing and causing leakage abnormalities.

[0027] As a specific technical solution of this embodiment, a sheet metal seat 6 is provided inside the chassis 1, and a through hole 601 is provided inside the sheet metal seat 6. The sheet metal seat 6 is located above the power board 5, and a plug 501 is provided on the top of the power board 5, the top of which passes through the through hole 601 and is plugged into the bottom of the control board 7.

[0028] In this embodiment, a socket that is plugged into the plug 501 is provided at the bottom of the control board 7. The power board 5 and the control board 7 use the plug 501 and the socket to connect data signals and transmit signals. The product has stable performance, simple and neat appearance, and the sheet metal seat 6 is used to fix the control board 7.

[0029] As a specific technical solution of this embodiment, two studs 104 are symmetrically arranged inside the chassis 1, and connecting ears 1401 corresponding to the two studs 104 are arranged at both ends of the capacitor 14. The connecting ears 1401 are fixed to the studs 104 by locking screws 206. Two studs 602 are arranged at one end of the top of the sheet metal seat 6, and the control board 7 is fixed to the inside of the sheet metal seat 6 by locking screws 206 through the studs 602.

[0030] In this embodiment, the capacitor 14 is fixed to the inside of the chassis 1 by connecting the ear 1401 and the stud 104 with a screw 206. The capacitor 14 is located on the side of the water cooling tank 101 away from the plastic seat 2. One side of the sheet metal seat 6 is fixed to the top of the capacitor 14 by a screw 206. The control board 7 is fixed to the sheet metal seat 6 by a screw 206 on the stud 2 602. After the control board 7 is fixed to the sheet metal seat 6, it can be plugged and connected to the power board 5. The assembly process is simple, fast and more stable. The capacitor 14 is used to supply alternating current (AC) to various components in series to form a loop.

[0031] As a specific technical solution of this embodiment, a maintenance cover 9 for covering the inspection port 801 is provided on the top of the upper cover 8, a bus interface 701 is provided at the bottom of one end of the control board 7, and an avoidance groove 105 which is socketed with the bus interface 701 is provided on one side of the chassis 1.

[0032] In this embodiment, the avoidance groove 105 is used to place the bus interface 701, and the maintenance cover 9 is fixed to the top of the upper cover 8 by locking screws 206. After the maintenance cover 9 is locked, the maintenance cover 9 presses the cover sealing ring 12 to achieve the sealing of the inspection port 801.

[0033] As a specific technical solution of this embodiment, a chassis sealing groove 106 is commonly provided on the top circle of the chassis 1 and inside the avoidance groove 105. An interface sealing ring 1101 is provided on the bottom of one side of the chassis sealing ring 11. The interior of the interface sealing ring 1101 is socketed with the exterior of the bus interface 701. The chassis sealing ring 11 and the joint sealing ring are commonly nested inside the chassis sealing groove 106.

[0034] In the present embodiment, an interface sealing ring 1101 is provided at the bottom of one side of the chassis sealing ring 11. This design makes the combination of the chassis sealing ring 11 and the interface sealing ring 1101 more perfectly adapt to the chassis sealing groove 106, and effectively seals a circle of the bus interface 701 and the connection between the chassis 1 and the upper cover 8, so that water seepage will not occur and it is safer to use.

[0035] As a specific technical solution of this embodiment, one side of the plastic seat 2 is provided with at least one wiring slot 201, and the other side is provided with a copper bus 203 with one end extending to the power board 5 and the control board 7. One side of the plastic seat 2 is provided with at least one magnetic ring 202, and the number of the waterproof connectors 3 is at least one, and one end of the waterproof connector 3 passes through the magnetic ring 202 and extends to the inside of the wiring slot 201.

[0036] In this embodiment, the wire is inserted into the interior of the wiring slot 201 through the waterproof connector 3, and is connected to the terminal inside the plastic seat 2 and fixed by the locking screw 206. The wiring operation can be completed through the inspection port 801. A plurality of fixing holes 205 are provided on one side of the plastic seat 2, and a connecting strip 204 with one end extending to the fixing hole 205 is provided on one side of the magnetic ring 202. The connecting strip 204 and the fixing hole 205 are fixed by the locking screw 206 to realize the connection between the magnetic ring 202 and the plastic seat 2.

[0037] As a specific technical solution of this embodiment, a fixing plate 108 is provided on one side of the chassis 1, a connecting plate 301 is provided on the outside of the waterproof connector 3, the connecting plate 301 and the fixing plate 108 are fixed by locking screws 206, and at least one mounting seat 107 is provided on both sides of the chassis 1.

[0038] In this embodiment, the chassis 1 can be installed on the car through the mounting seat 107 , the waterproof connector 3 is fixed to the fixing plate 108 through the connecting plate 301 and the screws 206 , and the wires pass through the waterproof connector 3 and enter the interior of the chassis 1 .

[0039] As a specific technical solution of this embodiment, a ventilation valve 109 is further provided on the top of one side of the chassis 1 , and a plurality of plastic parts 13 are provided inside the chassis 1 and are respectively located on both sides of the IGBT module 4 .

[0040] In this embodiment, there are multiple copper terminals on both sides of the IGBT module 4, one end of which extends to the plastic part 13 and is locked by screws 206, which can achieve insulation effect to prevent signal interference with other components. The IGBT module 4 is connected to the wire and capacitor 14 through the copper terminals, the plastic part 13 is fixed inside the chassis 1, and the air valve 109 has the function of waterproof and breathable.

[0041] To sum up, in the new energy controller, the control board 7, the power board 5 and the IGBT module 4 are connected by plugging for data signals, and the IGBT module 4 is cooled and lowered by circulating water in the water cooling tank 101, thereby indirectly dissipating the heat of the power board 5 and the control board 7, so that the overall temperature of the internal components of the chassis 1 can be reduced to within the standard range, thereby improving the service life of the product. The design of the thermal fins 402 further ensures the heat dissipation efficiency of the IGBT module 4. The setting of the water cooling sealing ring 10 prevents the liquid inside the water cooling tank 101 from leaking into the interior of the chassis 1. The chassis sealing ring 11 cooperates with the interface sealing ring 1101 to simultaneously seal the interface and the chassis 1 and the upper cover plate 8. The setting of the inspection port 801 facilitates wiring and maintenance operations. The inspection port 801 is sealed by the maintenance cover 9 and the cover sealing ring 12. The setting of multiple sealing rings greatly improves the overall waterproof and dustproof performance of the product.

[0042] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new energy controller, comprising a chassis (1), characterized in that: The chassis (1) is provided with a water cooling tank (101) inside, an IGBT module (4) is provided on the top of the water cooling tank (101), the chassis (1) is provided with a plastic seat (2) located on one side of the water cooling tank (101), one side of the chassis (1) is provided with a waterproof connector (3) with one end extending into the inside of the plastic seat (2), a power board (5) is provided on the top of the IGBT module (4), and a control board (7) is also provided on the top of the power board (5). An upper cover plate (8) is arranged on the top of the chassis (1), an inspection opening (801) corresponding to the plastic seat (2) is arranged inside the upper cover plate (8), a water cooling sealing ring (10) is arranged between the water cooling groove (101) and the IGBT module (4), a chassis sealing ring (11) is arranged between the chassis (1) and the upper cover plate (8), a cover plate sealing ring (12) is arranged on the top of the inspection opening (801), and a capacitor (14) is also arranged inside the chassis (1).

2. A new energy controller according to claim 1, characterized in that: Two water-cooling joints (103) in communication with the interior of the water-cooling groove (101) are provided on one side of the chassis (1); a sealing sleeve (1031) is sleeved on the water-cooling joint (103); a circle of water-cooling sealing grooves (102) is provided on the top of the water-cooling groove (101); and the water-cooling sealing ring (10) is embedded in the interior of the water-cooling sealing groove (102).

3. A new energy controller according to claim 1, characterized in that: The bottom of the IGBT module (4) is provided with a circle of grooves that are engaged with the top of the water-cooling sealing ring (10), and the bottom of the IGBT module (4) is also provided with a plurality of heat-conducting fins (402) with one end extending into the interior of the water-cooling groove (101), and the top of the IGBT module (4) is provided with a plurality of pins (401) whose top ends are engaged with the bottom of the power board (5).

4. A new energy controller according to claim 1, characterized in that: A sheet metal seat (6) is provided inside the chassis (1), a through hole (601) is provided inside the sheet metal seat (6), the sheet metal seat (6) is located above the power board (5), and a plug (501) is provided on the top of the power board (5), the top of which passes through the through hole (601) and is plugged into the bottom of the control board (7).

5. A new energy controller according to claim 4, characterized in that: Two studs (104) are symmetrically arranged inside the chassis (1), and connecting ears (1401) corresponding to the two studs (104) are arranged at both ends of the capacitor (14), and the connecting ears (1401) are fixed to the studs (104) by locking screws (206). Two studs (602) are arranged at one end of the top of the sheet metal base (6), and the control board (7) is fixed to the inside of the sheet metal base (6) by locking screws (206) of the studs (602).

6. A new energy controller according to claim 1, characterized in that: A maintenance cover (9) for shielding the inspection opening (801) is provided on the top of the upper cover (8), a bus interface (701) is provided at the bottom of one end of the control panel (7), and a avoidance groove (105) sleeved with the bus interface (701) is provided on one side of the chassis (1).

7. A new energy controller according to claim 1, characterized in that: A chassis sealing groove (106) is provided on the top circle of the chassis (1) and inside the avoidance groove (105); an interface sealing ring (1101) is provided on the bottom of one side of the chassis sealing ring (11); the interior of the interface sealing ring (1101) is socketed with the exterior of the bus interface (701); the chassis sealing ring (11) and the joint sealing ring are nested together inside the chassis sealing groove (106).

8. A new energy controller according to claim 1, characterized in that: One side of the plastic seat (2) is provided with at least one wiring slot (201), and the other side is provided with a copper busbar (203) with one end extending to the power board (5) and the control board (7). One side of the plastic seat (2) is provided with at least one magnetic ring (202), and the number of the waterproof connector (3) is at least one, and one end of the waterproof connector (3) passes through the magnetic ring (202) and extends to the inside of the wiring slot (201).

9. A new energy controller according to claim 1, characterized in that: A fixing plate (108) is provided on one side of the chassis (1), a connecting plate (301) is provided on the outside of the waterproof connector (3), the connecting plate (301) and the fixing plate (108) are fixed by means of locking screws (206), and at least one mounting seat (107) is provided on both sides of the chassis (1).

10. A new energy controller according to claim 1, characterized in that: A ventilation valve (109) is also provided on the top of one side of the chassis (1), and a plurality of plastic parts (13) are provided inside the chassis (1) and are respectively located on both sides of the IGBT module (4).

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