New energy controller

Abstract

The utility model discloses a new energy controller, and relates to the technical field of electrical products. Comprising a controller body, the controller body comprises a case, no less than one control module is arranged in the case, a cooling fin set is arranged at the bottom of the case, a cooling fan is arranged in the cooling fin set, and an upper cover plate is arranged at the top of the case. A plurality of arc-shaped fins form a heat dissipation arc-shaped air channel, when air flows in the heat dissipation arc-shaped air channel, the air can make full contact with the two sides of the fins to take away heat on the fins, and the corrugated grooves in the two sides of the fins further increase the heat dissipation area of the fins, increase air resistance and prolong the staying time of the air in the heat dissipation arc-shaped air channel, so that the heat dissipation efficiency is improved. The top compression waterproof sealing ring is used for sealing, the side plug is used for sealing, the waterproof ventilation valve is used for sealing, compared with a conventional design, the sealing protection grade is greatly improved, the copper bar and the control module are fixed through lock screws, and assembling and wiring are more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical product technical field, concretely is a new energy controller. BACKGROUND

[0002] New energy automobile high pressure system is the important component of modern automobile technology, and the controller is the indispensable link in this system. The main function of the controller is to convert the direct current (DC) provided by the battery pack into alternating current (AC), and the driving system of the new energy automobile, such as the motor, usually needs alternating current to work, and the controller can ensure that the current is supplied to the motor in the correct form and frequency, can convert high speed and carry out conversion gear to change the speed, thereby driving the vehicle to travel.

[0003] The new energy controller generally adopts the air cooling mode heat dissipation, but the fin of the air cooling heat dissipation is flat structure, cannot effectively contact air, and the heat dissipation effect is not ideal, and the traditional controller module copper bar adopts the welding mode fixation, influences the assembling efficiency, and the use effect is not ideal. SUMMARY

[0004] In order to realize the above object, the utility model provides the following technical scheme: a new energy controller, including controller main body, the controller main body includes the case, the inside of the case is provided with the control module of not less than one quantity, the bottom of the case is provided with the heat dissipation fin group, the inside of the heat dissipation fin group is provided with the heat dissipation fan, the top of the case is provided with the upper cover plate.

[0005] As a preferred technical scheme of the utility model, the number of control modules is not less than two, two control modules are electrically connected through copper bars, and the copper bars include copper bar one, copper bar two and copper bar three.

[0006] As a preferred technical scheme of the utility model, the case and the upper cover plate are fixed through screws, a waterproof sealing ring is further arranged between the case and the upper cover plate, and the screws for fixing the case and the upper cover plate pass through the inside of the waterproof sealing ring.

[0007] As a preferred technical scheme of the utility model, the plurality of fins in the heat dissipation fin group are all arc-shaped, and corrugated grooves are arranged on both sides of the fins.

[0008] As a preferred technical scheme of the utility model, the bottom of the heat dissipation fin group is fixedly provided with a bottom cover plate, the inside of the bottom cover plate is provided with an air suction hole corresponding to the heat dissipation fan, the heat dissipation fan is arranged on the top of the bottom cover plate, and the bottom of the bottom cover plate is further provided with a heat dissipation fan mesh cover corresponding to the air suction hole.

[0009] As a preferred technical scheme of the utility model, one side of the case is provided with waterproof plug one, waterproof plug two and waterproof plug three.

[0010] As a preferred technical scheme of the utility model, the side of the case far from waterproof plug one is provided with waterproof plug four and waterproof plug five.

[0011] As a preferred technical scheme of the utility model, the side of the case far from waterproof plug one is further provided with cover plate through screw.

[0012] As a preferred technical scheme of the utility model, one side of the case is provided with waterproof breather valve.

[0013] As a preferred technical scheme of the utility model, the case and the heat dissipation fin group are made of aluminum material.

[0014] Compared with the prior art, the utility model provides a new energy controller, has the following beneficial effects:

[0015] The new energy controller, a plurality of arc-shaped fins form a heat dissipation arc-shaped air duct, when air flows in the heat dissipation arc-shaped air duct, can fully contact both sides of the fin, take away the heat on the fin, and the corrugated groove on both sides of the fin further increases the fin heat dissipation area, simultaneously increases air resistance, increases the air residence time in the heat dissipation arc-shaped air duct, further guarantees the heat dissipation effect, the top compression waterproof sealing ring sealing plus side plug sealing plus waterproof breather valve, compared with conventional design sealing protection class has greatly promoted, copper bar and control module lock screw fixed, assembly, wiring are more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure explosion map of the new energy controller proposed in the utility model;

[0017] Figure 2 It is a case structure schematic view of the new energy controller proposed in the utility model;

[0018] Figure 3 It is a heat dissipation fin group structure schematic view of the new energy controller proposed in the utility model;

[0019] Figure 4 It is a heat dissipation fan structure schematic view of the new energy controller proposed in the utility model.

[0020] In the figure: 1, controller main body; 11, case; 111, waterproof plug one; 112, waterproof plug two; 113, waterproof plug three; 114, waterproof plug four; 115, waterproof plug five; 12, upper cover plate; 13, waterproof sealing ring; 14, control module; 141, copper bar one; 142, copper bar two; 143, copper bar three; 15, cooling fan; 16, bottom cover plate; 161, cooling fan mesh cover; 162, air suction hole; 17, cooling fin group; 18, waterproof breather valve; 19, cover plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 A new energy controller, comprising a controller main body 1, the controller main body 1 comprises a case 11, the inside of the case 11 is provided with a plurality of control modules 14, the bottom of the case 11 is provided with a cooling fin group 17, the inside of the cooling fin group 17 is provided with a cooling fan 15, and the top of the case 11 is provided with an upper cover plate 12.

[0023] The plurality of arc-shaped fins form a cooling arc-shaped air duct, when air flows in the cooling arc-shaped air duct, can fully contact both sides of the fins, take away the heat on the fins, and the corrugated grooves on both sides of the fins further increase the fin cooling area, increase air resistance, increase the residence time of air in the cooling arc-shaped air duct, further ensure the cooling effect, the top compression waterproof sealing ring 13 is sealed with the side plug and the waterproof breather valve 18, the sealing protection level is greatly improved compared with the conventional design, the copper bar is fixed with the control module 14 by locking screws, and assembly and wiring are more convenient.

[0024] As a specific technical solution of the embodiment, the number of the control module 14 is not less than two, the two control modules 14 are electrically connected through copper bars, and the copper bars include a copper bar one 141, a copper bar two 142 and a copper bar three 143.

[0025] In the embodiment, the copper bar is fixed with the control module 14 by locking screws, the copper bar three 143 serves as a signal grounding bar, forms an electromagnetic shielding structure with the copper bar one 141 positive electrode and the copper bar two 142 negative electrode, the two control modules 14 supply alternating current AC to each element in series to form a loop, realize power and signal dual-channel transmission, improve system reliability through redundant design, and the locking screw fixing mode is more convenient for assembly.

[0026] As a specific technical solution of the embodiment, the case 11 and the upper cover plate 12 are fixed by screws, and a waterproof sealing ring 13 is further arranged between the case 11 and the upper cover plate 12, and the screws for fixing the case 11 and the upper cover plate 12 pass through the inside of the waterproof sealing ring 13.

[0027] In the embodiment, the screw pre-tightening force causes the waterproof sealing ring 13 to generate axial compression deformation, fills the assembly tolerance between the case 11 and the upper cover plate 12, dynamically compensates the sealing, ensures the sealing of the case 11, and avoids the case 11 from being infiltrated.

[0028] As a specific technical solution of the embodiment, the plurality of fins in the heat dissipation fin group 17 are arc-shaped, and corrugated grooves are arranged on both sides of the fins.

[0029] In the embodiment, the arc-shaped fins are arranged, the heat dissipation fan 15 is started, the heat dissipation fan 15 blows air to the heat dissipation fin group 17, the plurality of arc-shaped fins form a heat dissipation arc-shaped air duct, and air can fully contact both sides of the fins when flowing in the heat dissipation arc-shaped air duct, so that the heat on the fins is taken away. The corrugated grooves on both sides of the fins further increase the fin heat dissipation area, increase air resistance, increase the residence time of air in the heat dissipation arc-shaped air duct, and further ensure the heat dissipation effect.

[0030] As a specific technical solution of the embodiment, the bottom of the heat dissipation fin group 17 is fixedly provided with a bottom cover plate 16, the inside of the bottom cover plate 16 is provided with an air suction hole 162 corresponding to the heat dissipation fan 15, the heat dissipation fan 15 is arranged on the top of the bottom cover plate 16, and the bottom of the bottom cover plate 16 is further provided with a heat dissipation fan mesh cover 161 corresponding to the air suction hole 162.

[0031] In the embodiment, the heat dissipation fan 15 is started, the heat dissipation fan 15 inhales air through the air suction hole 162, the air is sucked into the heat dissipation fan 15 after being filtered by the heat dissipation fan mesh cover 161, and the heat dissipation fan 15 blows the air to the heat dissipation fin group 17. The heat dissipation fan mesh cover 161 is ≤2mm, and the flux and protection are taken into account.

[0032] As a specific technical solution of the embodiment, one side of the case 11 is provided with a waterproof plug one 111, a waterproof plug two 112, and a plurality of waterproof plug threes 113, and the side of the case 11 away from the waterproof plug one 111 is provided with a plurality of waterproof plug fours 114 and a waterproof plug five 115.

[0033] In this embodiment, waterproof plug one 111, waterproof plug two 112, waterproof plug three 113, waterproof plug four 114 and waterproof plug five 115 are respectively main power interface, CAN bus communication interface, auxiliary device interface group, heat dissipation system control interface and low voltage control signal interface, the main power interface is used for DC power input and AC output main channel, the CAN bus communication interface is used for control signal transmission and state feedback between modules, the auxiliary device interface group is used for external sensors, instruments and other expansion devices, the heat dissipation system control interface is used for heat dissipation fan 15 start-stop control and temperature monitoring, and the low voltage control signal interface is used for vehicle ECU control signal access. The waterproof plug two 112 is provided with a humidity sensor, which can monitor the state of the sealed cavity of the case 11 in real time.

[0034] As a specific technical solution of the embodiment, the case 11 is further provided with a plurality of cover plates 19 on the side away from the waterproof plug one 111 through screws, and the case 11 is provided with a waterproof breather valve 18 on one side.

[0035] In this embodiment, the waterproof breather valve 18 is provided to automatically adjust the air pressure difference between the inside and outside of the case 11, avoid the deformation of the sealing structure caused by temperature change, and maintain the stability of the case 11. When the control module 14 is running at high load, the gas exchange amount is accelerated through the microporous membrane, and the waterproof breather valve 18 adopts an expanded polytetrafluoroethylene membrane structure to achieve IP68 level protection and resist 20kPa water pressure penetration.

[0036] As a specific technical solution of the embodiment, the case 11 and the heat dissipation fin group 17 are both made of aluminum material.

[0037] In this embodiment, the density of aluminum is only 1 / 3 of that of steel, which reduces the weight of the whole machine and meets the lightweight demand of vehicle-mounted equipment. The heat dissipation fin group 17 adopts high-pressure cast aluminum process, and the fin thickness can be controlled between 0.5-1.2mm, which maintains the structural strength while reducing the weight. The aluminum material has high thermal conductivity, which can quickly transfer the heat generated by the control module 14 to the heat dissipation fin group 17. Combined with the arc fin design, the heat dissipation area is increased compared with the traditional flat fin, the heat diffusion is excellent, and the damage of electronic components caused by local high temperature is avoided.

[0038] In summary, the new energy controller, the plurality of arc fins form a heat dissipation arc-shaped air duct, and when air flows in the heat dissipation arc-shaped air duct, it can fully contact both sides of the fins to take away the heat on the fins. The corrugated grooves on both sides of the fins further increase the fin heat dissipation area, increase air resistance, increase air residence time in the heat dissipation arc-shaped air duct, and further ensure the heat dissipation effect. The top compression waterproof sealing ring 13 and the side plug sealing and waterproof breather valve 18 greatly improve the sealing protection level compared with the conventional design. The copper bar and the control module 14 are fixed by screws, which is more convenient for assembly and wiring.

[0039] It is to be understood that the terminology "including", "comprising", or any other variation thereof, as used in the specification is intended to encompass the non-exclusive inclusion such that processes, methods, articles, or apparatuses that comprise a list of elements are not required to comprise only those elements but can include other elements not expressly listed or inherent to such processes, methods, articles, or apparatuses. An element proceeded by "comprises a... " does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0040] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A new energy controller comprising a controller main body (1), characterized in that: The controller body (1) includes a cabinet (11), the inside of the cabinet (11) is provided with not less than one control module (14), the bottom of the cabinet (11) is provided with a set of cooling fins (17), the inside of the set of cooling fins (17) is provided with a cooling fan (15), the top of the cabinet (11) is provided with an upper cover plate (12).

2. The new energy controller according to claim 1, characterized in that: The number of the control module (14) is not less than two, and the two control modules (14) are electrically connected by copper bars, the copper bars including a copper bar one (141), a copper bar two (142) and a copper bar three (143).

3. The new energy controller according to claim 1, characterized in that: The cabinet (11) and the upper cover plate (12) are fixed by screws, and a waterproof sealing ring (13) is further arranged between the cabinet (11) and the upper cover plate (12), and the screws for fixing the cabinet (11) and the upper cover plate (12) pass through the inside of the waterproof sealing ring (13).

4. The new energy controller according to claim 1, characterized in that: The fins in the set of cooling fins (17) are all arc-shaped, and corrugated grooves are arranged on the two sides of the fins.

5. The new energy controller according to claim 1, characterized in that: The bottom of the set of cooling fins (17) is fixedly provided with a bottom cover plate (16), the inside of the bottom cover plate (16) is provided with a suction hole (162) corresponding to the cooling fan (15), the cooling fan (15) is arranged on the top of the bottom cover plate (16), and the bottom of the bottom cover plate (16) is further provided with a cooling fan mesh cover (161) corresponding to the suction hole (162).

6. The new energy controller according to claim 1, characterized in that: One side of the cabinet (11) is provided with a waterproof plug one (111), a waterproof plug two (112) and a plurality of waterproof plug threes (113).

7. The new energy controller according to claim 1, characterized in that: The side, away from the waterproof plug one (111), of the cabinet (11) is provided with a plurality of waterproof plug fours (114) and waterproof plug fives (115).

8. The new energy controller according to claim 1, characterized in that: The side, away from the waterproof plug one (111), of the cabinet (11) is further provided with a plurality of cover plates (19) through screws.

9. The new energy controller according to claim 1, characterized in that: One side of the cabinet (11) is provided with a waterproof breather valve (18).

10. The new energy controller according to claim 1, characterized in that: The cabinet (11) and the set of cooling fins (17) are both made of aluminum material.

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