New energy automobile brake resistor controller

Abstract

The utility model discloses a new energy automobile brake resistor controller, and relates to the technical field of resistor controllers. Comprising a control assembly and a cooling assembly, and the control assembly comprises a metal plate case, and a fuse, an IGBT module, a capacitor plate, a main negative copper bar, a main positive copper bar and a BR positive copper bar which are located at the top of the metal plate case. The control assembly and the cooling assembly adopt an upper and lower two-layer design, the cooling assembly is isolated from the upper part of the sheet metal box body, the disassembly and the assembly are convenient, the structure is reliable and stable, the cooling assembly adopts an air cooling mode instead of liquid cooling, the actual heat dissipation requirement is met, the cost is low, the process is simple, rapid batch production is facilitated, and the cost is further reduced by adopting the sheet metal box body. Compared with a traditional aluminum alloy case, the metal plate case body is small in size, simple in structure and light in weight, the whole vehicle assembling layout is facilitated, the cooling assembly and the control assembly are isolated through the waterproof sealing strip for airtight protection, and the actual harsh environment requirement of the new energy vehicle is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to resistance controller technical field, concretely is a new energy automobile brake resistance controller. BACKGROUND

[0002] Based on GB1276 and EU R13 regulation requirement, full load vehicle is not allowed to use brake device on 7% downhill, and the vehicle can downhill at 30KM / h stable speed, and the brake resistance is widely applied on the market, so that the application of resistance controller gradually increases, but the resistance controller still has following insufficient when using:

[0003] The resistance controller on the market has complex structure, cooling structure is arranged in the box body, the box body has poor air tightness and is not conducive to overhauling cooling structure, manufacturing process is complex, production efficiency is low, and use effect is not ideal. SUMMARY

[0004] The utility model provides a new energy automobile brake resistance controller to solve the problem in the background art.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a new energy automobile brake resistance controller, including control assembly and cooling assembly, the control assembly includes sheet metal case and fuse, IGBT module, capacitor plate, main negative copper bar, main positive copper bar, BR positive copper bar, BR negative copper bar one, BR negative copper bar two and current sensor located at the top of sheet metal case, the inside of sheet metal case is provided with connecting hole, the IGBT module is set up at the top of sheet metal case and the bottom of IGBT module extends to the inside of connecting hole;

[0006] The cooling assembly includes radiator and fan, the radiator is arranged at the bottom of sheet metal case and the top of radiator is in contact with the bottom of IGBT module, and the fan is arranged on one side of the radiator.

[0007] Further, one end of the main negative copper bar, the main positive copper bar and the capacitor plate is fixed on the input end of the IGBT module by a screw.

[0008] Further, one end of the BR negative copper bar one is connected with the BR negative copper bar two, and one end of the BR negative copper bar two passes through the current sensor and is fixedly connected with the output end of the IGBT module.

[0009] Further, the BR positive copper bar is located between the main positive copper bar and the BR negative copper bar one, and the main negative copper bar is located on one side of the main positive copper bar.

[0010] Further, the top of the sheet metal case is provided with two insulators, two ends of the fuse are respectively arranged on the main negative copper bar and the BR positive copper bar and are fixed by screws.

[0011] Further, the top of the sheet metal case is provided with a plurality of studs, and the capacitor plate is fixed on the top of the studs by screws.

[0012] Further, one end of the main negative copper bar, the main positive copper bar, the BR positive copper bar and the BR negative copper bar one is extended into the inside of the terminal seat.

[0013] Further, the top of the heat sink is provided with a waterproof sealing strip, the waterproof sealing strip is located outside the connecting hole, and the top of the waterproof sealing strip is in contact with the bottom of the sheet metal case.

[0014] Further, one side of the fan is provided with a mounting plate, and the top of the mounting plate is fixedly connected with the bottom of the sheet metal case.

[0015] Compared with the prior art, the new energy automobile braking resistance controller has the following beneficial effects:

[0016] The new energy automobile braking resistance controller has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is an explosion view of the control assembly structure of the utility model.

[0019] In the drawing: 1, control assembly; 11, sheet metal case; 111, connecting hole; 112, terminal seat; 113, insulator; 114, fuse; 115, stud; 12, IGBT module; 121, input end; 122, output end; 13, capacitor plate; 14, main negative copper bar; 15, main positive copper bar; 16, BR positive copper bar; 17, BR negative copper bar one; 18, BR negative copper bar two; 19, current sensor; 2, cooling assembly; 21, heat sink; 22, waterproof sealing strip; 23, fan; 24, mounting plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figure 1-2 The utility model discloses a new energy automobile brake resistance controller, including control assembly 1 and cooling assembly 2, control assembly 1 includes sheet metal machine case 11 and be located sheet metal machine case 11 top's fuse 114, IGBT module 12, electric capacity board 13, main negative copper bar 14, main positive copper bar 15, BR positive copper bar 16, BR negative copper bar one 17, BR negative copper bar two 18 and current sensor 19, the inside of sheet metal machine case 11 is provided with connecting hole 111, IGBT module 12 sets up at the top of sheet metal machine case 11 and the bottom of IGBT module 12 extends to the inside of connecting hole 111.

[0022] Cooling assembly 2 includes radiator 21 and fan 23, the radiator 21 sets up at the bottom of sheet metal machine case 11 and the top of radiator 21 and the bottom of IGBT module 12 are in contact, fan 23 sets up at one side of radiator 21.

[0023] Specifically, one end of the main negative copper bar 14, the main positive copper bar 15 and the electric capacity board 13 is fixed on the input end 121 of the IGBT module 12 by a screw.

[0024] Specifically, one end of the BR negative copper bar one 17 is connected with the BR negative copper bar two 18, and one end of the BR negative copper bar two 18 penetrates through the current sensor 19 and is fixedly connected with the output end 122 of the IGBT module 12.

[0025] Specifically, the BR positive copper bar 16 is located between the main positive copper bar 15 and the BR negative copper bar one 17, and the main negative copper bar 14 is located on one side of the main positive copper bar 15.

[0026] Specifically, two insulators 113 are arranged on the top of the sheet metal machine case 11, and the two ends of the fuse 114 are respectively placed on the main negative copper bar 14 and the BR positive copper bar 16 and are fixed by screws and the two insulators 113. The arrangement of the insulators 113 avoids the conduction between the fuse 114, the main negative copper bar 14, the BR positive copper bar 16 and the sheet metal machine case 11, and makes the use safer.

[0027] Specific, the top of the sheet metal case 11 is provided with a plurality of studs 115, the capacitor plate 13 is fixed on the top of the stud 115 by screw, the capacitor plate 13 is fixed on the stud 115 by screw, and the installation is more convenient.

[0028] Specific, the side of the sheet metal case 11 is provided with a wiring seat 112, one end of the main negative copper bar 14, the main positive copper bar 15, the BR positive copper bar 16 and the BR negative copper bar 17 extends to the inside of the wiring seat 112, and the one end of the main negative copper bar 14, the main positive copper bar 15, the BR positive copper bar 16 and the BR negative copper bar 17 can be connected to the external high-voltage line through the metal waterproof joint after penetrating into the inside of the wiring seat 112.

[0029] Specific, the top of the radiator 21 is provided with a waterproof sealing strip 22, the radiator 21 is fixed with the sheet metal box by screw, the waterproof sealing strip 22 is located outside the connecting hole 111, and the top of the waterproof sealing strip 22 is in contact with the bottom of the sheet metal case 11, the bottom of the IGBT module 12 penetrates through the connecting hole 111 and is in contact with the top of the radiator 21, and the bottom of the IGBT module 12 can increase the connection tightness by coating the heat-conducting silicone grease.

[0030] Specific, the side of the fan 23 is provided with a mounting plate 24, the top of the mounting plate 24 is fixedly connected with the bottom of the sheet metal case 11, and the fan 23 is fixed on the bottom of the sheet metal case 11 through the mounting plate 24.

[0031] In summary, the new energy automobile brake resistance controller, the control assembly 1 and the cooling assembly 2 adopt the upper and lower two-layer design, the cooling assembly 2 is isolated from the upper part of the sheet metal box, the installation and disassembly are convenient, the structure is reliable and stable, the cooling assembly 2 adopts the air cooling mode instead of the liquid cooling, the actual heat dissipation needs are met, the cost is low, the process is simple, and the rapid batch production is beneficial, the sheet metal box is adopted, the cost is further reduced, compared with the traditional aluminum alloy case, the sheet metal box is small in size, simple in structure, light in weight, beneficial to the vehicle assembly layout, the cooling assembly 2 and the control assembly 1 are isolated by the waterproof sealing strip 22 and are airtight, the protection level can reach IP67, and the actual severe environment requirements of the new energy vehicle are met.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A new energy vehicle braking resistor controller, comprising a control assembly (1) and a cooling assembly (2), characterized in that: The control assembly (1) comprises a sheet metal case (11), a fuse (114), an IGBT module (12), a capacitor plate (13), a main negative copper bar (14), a main positive copper bar (15), a BR positive copper bar (16), a BR negative copper bar one (17), a BR negative copper bar two (18) and a current sensor (19) arranged on the top of the sheet metal case (11), and the inside of the sheet metal case (11) is provided with a connecting hole (111), and the IGBT module (12) is arranged on the top of the sheet metal case (11) and the bottom of the IGBT module (12) extends to the inside of the connecting hole (111). The cooling assembly (2) comprises a radiator (21) and a fan (23), the radiator (21) is arranged on the bottom of the sheet metal case (11) and the top of the radiator (21) is in contact with the bottom of the IGBT module (12), and the fan (23) is arranged on one side of the radiator (21).

2. The new energy vehicle braking resistor controller according to claim 1, characterized in that: One end of the main negative copper bar (14), the main positive copper bar (15) and the capacitor plate (13) is fixed on the input end (121) of the IGBT module (12) by a screw.

3. The new energy vehicle braking resistor controller according to claim 1, characterized in that: One end of the BR negative copper bar one (17) is connected with the BR negative copper bar two (18), one end of the BR negative copper bar two (18) penetrates through the current sensor (19) and is fixedly connected with the output end (122) of the IGBT module (12).

4. The new energy vehicle braking resistor controller according to claim 1, characterized in that: The BR positive copper bar (16) is located between the main positive copper bar (15) and the BR negative copper bar one (17), and the main negative copper bar (14) is located on one side of the main positive copper bar (15).

5. The new energy vehicle braking resistor controller according to claim 1, characterized in that: The top of the sheet metal case (11) is provided with two insulators (113), and the two ends of the fuse (114) are respectively placed on the main negative copper bar (14) and the BR positive copper bar (16) and are fixed by screws and two insulators (113).

6. The new energy vehicle braking resistor controller according to claim 1, characterized in that: The top of the sheet metal case (11) is provided with a plurality of studs (115), and the capacitor plate (13) is fixed on the top of the stud (115) by a screw.

7. The new energy vehicle braking resistor controller according to claim 1, characterized in that: One end of the main negative copper bar (14), the main positive copper bar (15), the BR positive copper bar (16) and the BR negative copper bar one (17) extends to the inside of the terminal block (112).

8. The new energy vehicle braking resistor controller according to claim 1, characterized in that: The top of the radiator (21) is provided with a waterproof sealing strip (22), the waterproof sealing strip (22) is located outside the connecting hole (111) and the top of the waterproof sealing strip (22) is in contact with the bottom of the sheet metal case (11).

9. The new energy vehicle braking resistor controller according to claim 1, characterized in that: One side of the fan (23) is provided with a mounting plate (24), and the top of the mounting plate (24) is fixedly connected with the bottom of the sheet metal case (11).

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