A multi-in-one controller for off-highway mechanical vehicles

Abstract

The utility model discloses a kind of for off-road machinery vehicles one-for-all controller, including shell, the inside space of the shell is divided into two layers by the middle plate of transverse arrangement, upper layer is power box, lower layer is transformer box, the inside of middle plate is provided with water cooling runner, cooling water is passed in water cooling runner;Power box is provided with main relay, auxiliary drive relay, pre-charging relay, aluminum shell resistance and fuse, the top of power box is provided with relay maintenance opening, relay maintenance opening is detachably installed with relay maintenance cover;The rear side of power box is provided with fuse maintenance opening, fuse maintenance opening is detachably installed with fuse maintenance cover.The utility model for off-road machinery vehicles one-for-all controller, high integration, and multiple input interface and multiple output drive interface are considered, facilitate relay, fuse maintenance, adopt modular design, and middle plate has cooling effect.

Description

Technical Field

[0001] This utility model belongs to the field of power distribution technology for non-road mechanical vehicles, and specifically relates to an all-in-one controller for non-road mechanical vehicles. Background Technology

[0002] Currently, the power distribution boxes for non-road machinery vehicles on the market have low integration. The DC-DC transformer, DC-AC inverter and power distributor are in separate housings. The power distribution box has few battery input and output interfaces, which cannot meet the needs of multiple battery pack inputs and multiple drive motor interfaces. In addition, the power distribution units on the market have poor maintenance and disassembly capabilities when relays or fuses fail, and the main cover needs to be opened for repair. Utility Model Content

[0003] The purpose of this utility model is to overcome the defects of the prior art and provide a multi-integrated controller for non-road mechanical vehicles. It is highly integrated and has multiple input interfaces and multiple output drive interfaces, which facilitates the maintenance of relays and fuses. It adopts a modular design, which makes it easy to add or remove internal modules, input interfaces and output interfaces, and the intermediate board has a cooling effect.

[0004] The technical solution to achieve the above objective is: a multi-function controller for non-road mechanical vehicles, including a housing, the internal space of which is divided into upper and lower layers by a horizontally arranged intermediate plate, the upper layer being a power supply box and the lower layer being a transformer box, and a water-cooling channel being provided inside the intermediate plate, through which cooling water flows.

[0005] The power supply box contains a main relay, an auxiliary drive relay, a pre-charge relay, an aluminum-cased resistor, and a fuse. A relay maintenance port is located at the top of the power supply box, and a relay maintenance cover is detachably installed on the relay maintenance port. A fuse maintenance port is located at the rear of the power supply box, and a fuse maintenance cover is detachably installed on the fuse maintenance port. The front of the power supply box has n fast-charging ports and 3n output ports, the rear of the power supply box has 3n input ports, and the left and right sides of the power supply box each have n manual maintenance switches.

[0006] The transformer box contains m DC-DC transformers and m DC-AC inverters.

[0007] In the aforementioned all-in-one controller for non-road machinery vehicles, the input interface, manual maintenance switch, and main relay are sequentially connected via copper busbars; one end of the pre-charge relay and the aluminum-cased resistor are connected via copper wires, the other end of the pre-charge relay is connected to the copper busbar, and the other end of the aluminum-cased resistor is connected to the main relay; the fast-charging interface is connected to the main relay via a copper busbar; one end of the auxiliary drive relay, fuse, DC-DC transformer, and DC-AC inverter are sequentially connected via copper wires, the other end of the auxiliary drive relay is connected to the copper busbar, and the other end of the fuse, DC-DC transformer, or DC-AC inverter is connected to the output interface.

[0008] In the aforementioned all-in-one controller for non-road mechanical vehicles, the main relay and the auxiliary drive relay are disposed near the relay service port; the fuse is disposed near the fuse service port.

[0009] The above-mentioned all-in-one controller for non-road mechanical vehicles, wherein n = 1, 2, 3, 4; m = 0, 1, 2.

[0010] This utility model discloses a multi-integrated controller for non-road machinery vehicles. It is highly integrated and has multiple input interfaces and multiple output drive interfaces, which facilitates the maintenance of relays and fuses. It adopts a modular design, which makes it easy to add or remove internal modules, input interfaces and output interfaces. The middle water-cooling plate facilitates the cooling of the DC-DC transformer and DC-AC inverter in the lower space, and is also beneficial to the heat dissipation of the relays in the upper space, and reduces the ambient temperature of the internal copper busbar. Attached Figure Description

[0011] Figure 1 This is a three-dimensional structural diagram (front view) of the all-in-one controller for non-road mechanical vehicles according to this utility model.

[0012] Figure 2 This is a three-dimensional structural diagram (rear view) of the all-in-one controller for non-road mechanical vehicles according to this utility model.

[0013] Figure 3 This is a front view of the all-in-one controller for non-road mechanical vehicles according to the present invention.

[0014] Figure 4 This is a rear view of the all-in-one controller for non-road mechanical vehicles according to the present invention.

[0015] Figure 5 This is a side view of the all-in-one controller for non-road mechanical vehicles according to the present invention.

[0016] Figure 6 This is a schematic diagram of the internal structure of the all-in-one controller for non-road mechanical vehicles according to this utility model. Detailed Implementation

[0017] To enable those skilled in the art to better understand the technical solution of this utility model, its specific embodiments are described in detail below with reference to the accompanying drawings:

[0018] Please see Figures 1 to 6 The preferred embodiment of this utility model is an all-in-one controller for non-road mechanical vehicles, including a housing 1. The internal space of the housing 1 is divided into upper and lower layers by a horizontally arranged intermediate plate 2. The upper layer is a power supply box 3 and the lower layer is a transformer box 4. The intermediate plate 2 is provided with a water cooling channel, and cooling water flows through the water cooling channel. The intermediate plate 2 can cool down the electrical components in the upper and lower spaces.

[0019] The power supply box 3 contains a main relay 31, an auxiliary drive relay 32, a pre-charge relay 33, an aluminum-cased resistor 34, and a fuse 35. A relay maintenance port is located at the top of the power supply box 3, and a relay maintenance cover 11 is detachably mounted on the port. A fuse maintenance port is located on the rear side of the power supply box 3, and a fuse maintenance cover 12 is detachably mounted on the port. The main relay 31 and auxiliary drive relay 32 are located near the relay maintenance ports, and the fuse 35 is located near the fuse maintenance port. This allows for easy maintenance of internal relays by opening the top relay maintenance cover 11 and accessing the maintenance ports. If the fuse 35 malfunctions, it can be easily replaced without opening the main cover; simply opening the side fuse maintenance cover 12 allows for convenient access through the fuse maintenance port.

[0020] The front of the power supply box 3 is provided with n fast charging ports 36 and 3n output ports 37, the rear of the power supply box 3 is provided with 3n input ports 39, and the left and right sides of the power supply box 3 are provided with n manual maintenance switches (MSD) 38 respectively; n = 1, 2, 3, 4, and n can be different.

[0021] The transformer box 4 is equipped with m DC-DC transformers 41 and m DC-AC inverters 42, where m = 0, 1, 2, and m can be different.

[0022] The intermediate plate 2, through which cooling water is introduced, facilitates the cooling of the DC-DC transformer 41 and DC-AC inverter 42 in the lower space, and dissipates heat from the relays in the upper space, while also reducing the ambient temperature of the internal copper busbars.

[0023] This utility model discloses a multi-functional controller for non-road machinery vehicles. The main relay 31 controls the on / off state of the power supply box (high-voltage main power supply) 3. The auxiliary drive relay 32 provides high-voltage electricity to auxiliary drive systems (such as air conditioning compressors, PTC heaters, etc.). The pre-charge relay 33 and aluminum-cased resistor 34 form a pre-charge circuit to prevent instantaneous high current surges on capacitive loads such as DC transformers or inverters when the system is powered on. The fuse 35 is the core overcurrent protection device. The fast-charging interface 36 is used to connect to a DC fast-charging station. The output interface 37 delivers the distributed high-voltage electricity to loads such as motor controllers, DC transformers, or inverters. The input interface is used to connect to the power battery pack. The number of input interfaces corresponds to the output interfaces and forms the main power supply circuit. The manual maintenance switch 38 is used to manually disconnect the high-voltage electricity during vehicle maintenance to ensure safety. The DC-DC transformer 41 and DC-AC inverter 42 in the transformer box are used for DC voltage conversion and DC-AC voltage conversion.

[0024] In this utility model, an all-in-one controller for non-road machinery vehicles is used such that, during operation, the input interface 37, manual maintenance switch 38, and main relay 31 are connected sequentially via copper busbar 5; one end of precharge relay 33 and one end of aluminum-cased resistor 34 are connected via copper wire, the other end of precharge relay 33 is connected to copper busbar 5, and the other end of aluminum-cased resistor 34 is connected to main relay; fast charging interface 36 is connected to main relay 31 via copper busbar 5; one end of auxiliary drive relay 32, fuse 35, DC-DC transformer 41, and DCAC inverter 42 are connected sequentially via copper wire, the other end of auxiliary drive relay 32 is connected to copper busbar 5, and the other end of fuse 35 or DC-DC transformer 41 and DCAC inverter 42 is connected to output interface 37.

[0025] The manual maintenance switch, fuse, and main relay are connected in sequence via copper busbars; the main relay, pre-charge relay, and aluminum-cased resistor are connected in sequence via copper busbars; the auxiliary drive relay, fast charging interface, output interface, input interface, DC-DC transformer, and DC-AC inverter are respectively connected to copper busbar 5.

[0026] In summary, the multi-functional controller for non-road machinery vehicles of this invention is highly integrated and incorporates multiple input interfaces and multiple output drive interfaces, facilitating the maintenance of relays and fuses. It adopts a modular design, making it easy to add or remove internal modules, input interfaces, and output interfaces, and the intermediate board has a cooling effect.

[0027] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present utility model and are not intended to limit the present utility model. Any changes or modifications to the above embodiments within the scope of the essential spirit of the present utility model will fall within the scope of the claims of the present utility model.

Claims

1. A multi-functional controller for non-road mechanical vehicles, characterized in that, Includes a housing, the internal space of which is divided into upper and lower layers by a horizontally arranged intermediate plate. The upper layer is a power supply box and the lower layer is a transformer box. The intermediate plate is provided with a water-cooling channel, and cooling water flows through the water-cooling channel. The power supply box contains a main relay, an auxiliary drive relay, a pre-charge relay, an aluminum-cased resistor, and a fuse. A relay maintenance port is located at the top of the power supply box, and a relay maintenance cover is detachably installed on the relay maintenance port. A fuse maintenance port is located at the rear of the power supply box, and a fuse maintenance cover is detachably installed on the fuse maintenance port. The front of the power supply box has n fast-charging ports and 3n output ports, the rear of the power supply box has 3n input ports, and the left and right sides of the power supply box each have n manual maintenance switches. The transformer box contains m DC-DC transformers and m DC-AC inverters.

2. The all-in-one controller for non-road mechanical vehicles according to claim 1, characterized in that, The input interface, manual maintenance switch, and main relay are connected sequentially via copper busbars; one end of the pre-charge relay and the aluminum-cased resistor are connected via copper wires, the other end of the pre-charge relay is connected to the copper busbar, and the other end of the aluminum-cased resistor is connected to the main relay; the fast-charging interface is connected to the main relay via a copper busbar; one end of the auxiliary drive relay, fuse, DC-DC transformer, and DC-AC inverter are connected sequentially via copper wires, the other end of the auxiliary drive relay is connected to the copper busbar, and the other end of the fuse, DC-DC transformer, or DC-AC inverter is connected to the output interface.

3. The all-in-one controller for non-road mechanical vehicles according to claim 1, characterized in that, The main relay and the auxiliary drive relay are located near the relay maintenance port; the fuse is located near the fuse maintenance port.

4. The all-in-one controller for non-road mechanical vehicles according to claim 1, characterized in that, n=1, 2, 3, 4; m=0, 1, 2.

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