TWM576545U - Cooling device for electric bus electrical components - Google Patents

Abstract

A cooling device for an electric bus electrical component includes a compartment and an air conditioning unit, the air conditioning unit having a compressor, an evaporator, and a plurality of air blowers, wherein the air conditioning unit has a chamber, and the chamber is adjacent to the air conditioner unit One side of the blower is provided with an air outlet pipe, and the other side of the chamber is provided with a return air duct, and the cooling device has an electric appliance room, and the electric appliance room is provided with an electric component, and one side wall of the electric appliance room is provided with a first side a duct is connected to the air duct, and a second duct is connected to the air duct to connect the air duct to the electric duct via the first air duct to cool the electric component. The hot air is brought back to the return air chamber through the second air duct, and is cooled by the evaporator to achieve the cooling cycle effect.

Description

Cooling device for electric bus electrical components

The present invention relates to a cooling device, and more particularly to a cooling device for an electric bus electrical component.

According to the conventional electric bus, the electrical components are installed in an electrical appliance, and the electrical components generate heat during operation. Therefore, the peripheral wall of the electrical compartment is provided with a plurality of exhaust vents and at least one fan, which utilizes heat convection. The method is exchanged with the air outside the vehicle to achieve the effect of dissipating heat. In addition, at least one drain port is provided at the bottom of the electric appliance room. When water flows from the air exhaust port when it rains, the water outlet can flow out to prevent the water from damaging the electrical component. The effect.

However, although the above temperature can be lowered in the electrical appliance room, in the summer, the temperature difference between the electrical room and the outside of the vehicle is not large, and the electrical room cannot be effectively cooled by the heat convection method, and the air outside the vehicle contains dust and moisture. Gas, it is easy to make dust cover the exhaust vents and electrical components, affecting the effect of heat removal, and the electrical components are in a high humidity environment for a long time, which will also reduce the life of the electrical components. Therefore, the creator of the case After observing the above shortcomings, it is considered that the existing cooling device of the electric bus electrical component is necessary to be improved, and the creation of this creation is not achieved.

The purpose of the present invention is to provide a cooling device for an electric bus electrical component that carries cold air of a cold air conditioner into an electrical room through a cooling circuit to effectively cool the electrical components.

In order to achieve the above object, the cooling device for the electric bus electrical component provided by the present invention is provided in an electric bus having a compartment and an air conditioning unit, the air conditioning unit being provided with a compressor and at least one evaporation. And a plurality of blowers, wherein the air conditioning unit is provided with at least one chamber, the chamber is provided with the evaporator, and the chamber is adjacent to one side of the blowers An air outlet pipe is connected to the air outlet pipe, wherein the air outlet pipe is connected to the air duct, and the other side of the chamber is connected with a return air duct, and the air return duct is provided with At least one air outlet, the return air duct is connected to the compartment space; and the cooling device has an electric appliance room, wherein the electric appliance room is provided with at least one electric component, and one side wall of the electric appliance room is provided with a first The air duct is connected to one of the air ducts, and the other side wall of the electric appliance room is provided with a second air duct connected to one of the air return ducts.

The cooling device of the electric bus electrical component provided by the present invention is to bring cooling air from the air blower into the air outlet pipe through an air conditioning circuit, and the cold air port is blown toward the passenger compartment, and the hot air of the passenger compartment is The return air inlet is brought back into the chamber, and the evaporator cools the hot air to achieve the effect of circulating the air conditioner circuit, and the electrical room passes through a cooling circuit to enter the electric air chamber through the first air duct to cool The electrical component, and the heat of the electrical component can be brought back to the chamber by the second air duct, so that the hot air is cooled through the evaporator, thereby effectively cooling the electrical chamber, and the electrical chamber can be sealed The state makes it possible to cool the electrical room without being affected by the weather outside the vehicle, and can extend the service life of the electrical component.

100‧‧‧Cooling device

10‧‧‧Electrical room

11‧‧‧Electrical components

20‧‧‧First duct

30‧‧‧second duct

200‧‧ electric bus

201‧‧‧ compartment

300‧‧‧Air conditioning unit

301‧‧‧Compressor

302‧‧‧Evaporator

303‧‧‧Condenser

304‧‧‧Blowers

305‧‧ ‧ room

306‧‧‧Air duct

307‧‧‧ cold air outlet

308‧‧‧ return air duct

309‧‧‧ return air outlet

310‧‧‧Filter

Figure 1 is a side elevational view of a preferred embodiment of the present invention.

Figure 2 is a top cross-sectional view of a preferred embodiment of the present invention.

Figure 3 is a side cross-sectional view of a preferred embodiment of the present invention.

Figure 4 is a block system diagram of a preferred embodiment of the present invention to show the aspect of air circulation.

Figure 5 is a schematic diagram of the use of the creation to show the air circulation of the air circuit.

Figure 6 is a schematic diagram of the use of the creation to show the air circulation of the cooling circuit.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , a cooling device 100 for an electric bus electrical component is disclosed. The electric bus 200 has a car 201 and a The air conditioning unit 300 is provided with a compressor 301, at least one evaporator 302, a condenser 303, and a plurality of air blowers 304. The main feature of the air conditioning unit 300 is that the air conditioning unit 300 is provided with a second chamber 305. The equal volume chamber 305 is respectively provided with the evaporator 302, and each of the chambers 305 is provided with one of the plurality of blowers 304 on one side of the evaporator 302, and each of the chambers 305 is adjacent to one side of the plurality of blowers 304. The air outlet pipe 306 is connected with a plurality of air outlets 307, such that the air outlet pipe 306 is connected to the car 201, and the other side of each of the chambers 305 is connected with a return air duct. 308, the return air duct 308 is provided with at least one air return port 309, such that the return air duct 308 is in space with the car 201, and the air return port 309 is covered with a filter net 310.

An air conditioning circuit, please refer to FIG. 4, the air cooled by the evaporator 302 will be brought into the air outlet pipe 306 by the plurality of air blowers 304, and blown to the car 201 by the cold air port 307. The air duct 308 will generate a negative pressure state, so that the hot air of the passenger compartment 201 is brought into the two-chamber 305 by the return air vent 305, and the evaporator 302 cools the hot air.

The cooling device 100 has an electrical room 10, and the electrical room 10 is provided with at least one electrical component 11 . One side of the electrical compartment 10 is provided with a first air duct 20, and the first air duct 20 is connected to One of the outlet ducts 306 and the other side wall of the electrical compartment 10 are provided with a second duct 30 connected to one of the return ducts 308.

A cooling circuit, as shown in FIG. 4, in the present embodiment, the first air duct 20 is connected to one of the air outlet tubes 306 of the two chambers 305, and the second air duct 30 is connected to the second air duct 30. Another return duct 308 of the chamber 305, whereby the cooling air brought into the outlet duct 306 by the plurality of blowers 304 can enter the electrical chamber 10 via the first duct 20, and cool the electrical component 11, The heat of the electrical component 11 can be taken out by the second air duct 30 and brought into the return air duct 308, and the hot air is cooled by the air conditioning circuit.

In order to further understand the characteristics of this creation, the use of technical means and the expected results, we will use the way of using this creation. I believe that we can have a deeper and more specific understanding of this creation, as described below: 4 and 5, when the air conditioning unit 300 is in operation, the air blowers 304 bring the cooled air into the air outlet pipe 306, and then the cooled air is blown toward the air outlet port 307. The car 201, at this time, the return air pipe 308 will generate a negative pressure, so that the hot air of the car 201 is brought into the two-chamber 305 by the return air pipe 308, and then the evaporator 302 cools the hot air, please Referring to FIG. 6, the first duct 20 is connected to one of the two chambers 305. The tube 306 allows the cooled air to enter the electrical compartment 10 via the first duct 20 and cools the electrical component 11 , and then the heat of the electrical component 11 can be taken out by the second air duct 30 and brought back The air return pipe 308 cools the hot air by the air conditioning circuit, thereby effectively reducing the power of the electric appliance room 10.

It is worth mentioning that the electrical room 10 can be in a sealed state, so that the cooling of the electrical room 10 is not affected by the weather outside the vehicle, and the air conditioning unit 300 can stabilize the temperature and humidity of the air in the air conditioning circuit, and The filter screen 310 of the air conditioning unit 300 can filter dust or particles of air, so that when the cooled air enters the electrical room 10, it does not accumulate dust and water, and has the effect of prolonging the service life of the electrical component 11.

It is worth mentioning that the cooling device 100 of the present invention is connected to the air conditioning circuit through the cooling circuit, and there is no new electrical equipment to guide the air or perform cooling. In addition to low cost and easy installation, the probability of failure is further reduced. Excellent competitiveness.

The characteristics of this creation and its achievable expected effects are as follows: The cooling device of the electric bus electrical component provided by the present invention passes the cooling air from the air blower 304 into the air outlet through the air conditioning circuit. 306, and the cold air port 307 is blown to the car 201, and the hot air of the car 201 is brought back into the chamber 305 by the return air pipe 308, and the hot air is cooled by the evaporator 302 to reach the air conditioning circuit. The function of the cycle, the electrical room 10 through the cooling circuit, the cooling air enters the electrical room 10 through the first air duct 20 to cool the electrical component 11, and the heat of the electrical component 11 can be the second air duct 30 is brought back to the chamber 305 to cool the hot air through the evaporator 302, thereby effectively reducing the efficacy of the electrical chamber 10, and the electrical chamber 10 can be in a sealed state, so that the electrical chamber 10 is not cooled when The effect of the weather outside the vehicle can extend the service life of the electrical component 11.

In summary, this creation has its excellent progress and practicality in similar products. At the same time, it has investigated the technical information about such structures at home and abroad. The same structure has not been found in the literature. This creation has already possessed new types of patent requirements, and applied for it according to law.

However, the above-mentioned ones are only one of the preferred embodiments of the present invention, and the equivalent structural changes of the present specification and the scope of the patent application are intended to be included in the scope of the present patent.

Claims (4)

A cooling device for an electric bus electrical component is provided in an electric bus, the electric bus has a car and an air conditioning unit, the air conditioning unit is provided with a compressor, at least one evaporator, a condenser and a plurality of air blowers The main feature is that the air conditioning unit is provided with at least one chamber, the chamber is provided with the evaporator, and the chamber is connected to an outlet duct adjacent to one side of the blowers, and the air outlet is connected to the air duct. A plurality of cold air ports are arranged on the pipe to connect the air outlet pipe to the car, and the other side of the chamber is connected with a return air duct, wherein the return air duct is provided with at least one air return port to make the return air The tube is connected to the compartment space; the cooling device has an electrical room, and the electrical room is provided with at least one electrical component, and one side wall of the electrical room is provided with a first air duct, and the first air duct is connected To one of the air ducts, the other side wall of the electric appliance room is provided with a second air duct connected to one of the air return ducts. The cooling device for an electric bus electrical component according to claim 1, further comprising an air circuit, wherein the air cooled by the evaporator is brought into the air outlet by the plurality of air blowers, and is blown by the cold air port The car, at this time, the return air pipe will generate a negative pressure, so that the hot air of the car is brought into the two-chamber by the return air, and the evaporator cools the hot air. The cooling device for an electric bus electrical component according to claim 1, further comprising a cooling circuit, the first air duct connecting the air outlet duct of the chamber, and the second air duct connecting the return air duct a tube through which the cooling air brought into the air outlet tube can enter the electrical appliance chamber and cool the electrical component, and the heat of the electrical component can be taken out by the second air duct Enter the return duct. The cooling device for an electric bus electrical component according to claim 1, wherein the air return cover is provided with a filter.