CN219145236U

CN219145236U - Fuel cell DCDC converter with exhaust function

Info

Publication number: CN219145236U
Application number: CN202320003380.9U
Authority: CN
Inventors: 邵龙飞; 祝彪; 童涛
Original assignee: Shanghai Ruiwei New Energy Technology Co ltd
Current assignee: Shanghai Ruiwei New Energy Technology Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-06-06
Anticipated expiration: 2033-01-03

Abstract

The utility model provides a fuel cell DCDC converter with an exhaust function, and belongs to the technical field of fuel cells. The technical problems of gas accumulation, unsmooth exhaust and the like of the existing DCDC converter are solved. This fuel cell DCDC converter with exhaust function, including casing and upper cover, its characterized in that, the upper cover demountable installation on the casing, the casing divide into two-layer, the upper strata is the electrical component layer of arranging, the lower floor is the cooling water runner layer, is provided with the coolant liquid runner in the cooling water runner layer, has seted up the coolant liquid import and the coolant liquid export that are linked together with the coolant liquid runner on the casing, coolant liquid import and coolant liquid export are located the both ends of coolant liquid runner respectively, coolant liquid exit still be provided with the gas vent, the gas vent is linked together with the upper end of coolant liquid export. The utility model has the advantages of preventing gas aggregation in DCDC, improving heat dissipation effect and the like.

Description

Fuel cell DCDC converter with exhaust function

Technical Field

The utility model belongs to the technical field of fuel cells, and relates to a DCDC converter, in particular to a fuel cell DCDC converter with an exhaust function.

Background

In recent years, the development of fuel cell technology is rapid, and the fuel cell is an important key attack item of new energy automobiles. The DCDC converter is an important part of a fuel cell power automobile, and has the important function of providing needed electric power for an automobile motor system, an air conditioner and other auxiliary equipment, and on the other hand, has the functions of regulating voltage output and stabilizing bus voltage.

The DCDC converter has a certain working temperature range, and an electric device in the DCDC converter needs heat dissipation treatment in the working process, and a common heat dissipation mode is water cooling. The common problem of water cooling is that exhaust gas, especially when DCDC is in the high position of the system, gas is easily gathered in the DCDC, and the gas is difficult to discharge, so that the heat dissipation function of the DCDC is seriously affected. However, the DCDC in the market generally has only a water inlet and a water outlet, and has no specific exhaust port, so that the exhaust is not particularly smooth, and therefore, it is necessary to design a DCDC converter of a fuel cell with an exhaust function.

Disclosure of Invention

The utility model aims to solve the problems of gas accumulation, unsmooth exhaust and the like of the prior DCDC converter.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a fuel cell DCDC converter with exhaust function, includes casing and upper cover, its characterized in that, the upper cover demountable installation on the casing, the casing divide into two-layer, the upper strata is the electrical component and arranges the layer, the lower floor is the cooling water runner layer, is provided with the coolant liquid runner in the cooling water runner layer, has seted up the coolant liquid import and the coolant liquid export that are linked together with the coolant liquid runner on the casing, coolant liquid import and coolant liquid export are located the both ends of coolant liquid runner respectively, coolant liquid exit still be provided with the gas vent, the gas vent is linked together with the upper end of coolant liquid export.

By adopting the structure, the shell is divided into two layers, the upper layer is an electric device arrangement layer, the lower layer is a cooling water flow channel layer, the electric device arrangement layer is subjected to heat dissipation through the cooling water flow channel layer, the heat dissipation effect is excellent, the exhaust port is also arranged at the cooling liquid outlet, and when the system is operated, the exhaust port can effectively take gas in the water flow channel, so that gas aggregation in DCDC is prevented, and the heat dissipation effect is effectively improved.

The upper cover is also provided with an electrical appliance maintenance port.

By adopting the structure, the electric appliance in the electric appliance arrangement layer is convenient to maintain.

The exhaust port is vertically upwards arranged.

By adopting the structure, the gas is conveniently discharged.

The exhaust port is connected with an expansion water tank of the vehicle through a silicone tube.

By adopting the structure, the designed exhaust port is connected with the expansion tank of the vehicle by utilizing the silica gel pipe, so that gas in DCDC is brought into the expansion tank through the exhaust hole in the cooling water flowing process, the smooth exhaust and full heat dissipation are realized.

The shell is provided with a plurality of electric appliance connectors.

The shell is also provided with a grounding point and a waterproof ventilation valve.

The outer diameter of the pipeline of the cooling liquid inlet and the cooling liquid outlet is 25.4mm, and the outer diameter of the pipeline of the exhaust port is 10 mm-12.7 mm.

By adopting the structure, the cooling effect is better and the exhaust effect is excellent.

The cooling liquid flow channels are distributed in a serpentine shape.

With the structure, the cooling is more sufficient.

The cooling liquid flow passage is compacted and sealed through the rubber ring.

The shell is also fixed with a plurality of installation machine legs.

By adopting the structure, the installation is more convenient.

Compared with the prior art, the utility model has the following advantages:

the casing is divided into two-layer, and the upper strata is the electric component and arranges the layer, and the lower floor is the cooling water runner layer, dispels the heat to the electric component through cooling water runner layer and arranges the layer, and the radiating effect is excellent, still is provided with the gas vent in the coolant outlet department simultaneously, and when the system operation, the gas in the runner is walked in the gas vent can effectively take, prevents gas gathering in the DCDC, has effectively improved the radiating effect.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic plan view of the present utility model.

Fig. 3 is a schematic cross-sectional structure of the present utility model at a.

Fig. 4 is a schematic cross-sectional structure of the present utility model at D.

In the figure, 1, a shell; 2. an upper cover; 3. a cooling liquid flow passage; 4. a cooling liquid inlet; 5. a cooling liquid outlet; 6. an exhaust port; 7. an electrical appliance maintenance port; 8. an electrical connector; 9. and (5) installing a machine foot.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1-4, the DCDC converter with the exhaust function for the fuel cell comprises a casing 1 and an upper cover 2, in this embodiment, the upper cover 2 is detachably mounted on the casing 1, the casing 1 is divided into two layers, the upper layer is an electric device arrangement layer, the lower layer is a cooling water flow channel layer, a cooling liquid flow channel 3 is arranged in the cooling water flow channel layer, a cooling liquid inlet 4 and a cooling liquid outlet 5 which are communicated with the cooling liquid flow channel 3 are arranged on the casing 1, the cooling liquid inlet 4 and the cooling liquid outlet 5 are respectively positioned at two ends of the cooling liquid flow channel 3, an exhaust port 6 is further arranged at the cooling liquid outlet 5, and the exhaust port 6 is communicated with the upper end of the cooling liquid outlet 5.

By adopting the structure, the shell 1 is divided into two layers, the upper layer is an electric device arrangement layer, the lower layer is a cooling water flow channel layer, the electric device arrangement layer is subjected to heat dissipation through the cooling water flow channel layer, the heat dissipation effect is excellent, the exhaust port 6 is also arranged at the cooling liquid outlet 5, and when the system is in operation, the exhaust port 6 can effectively take gas in a water flow channel, so that gas aggregation in DCDC is prevented, and the heat dissipation effect is effectively improved.

The upper cover 2 is also provided with an electrical appliance maintenance port 7.

The exhaust port 6 is disposed vertically upward.

By adopting the structure, the gas is conveniently discharged.

The exhaust port 6 is connected with an expansion tank of the vehicle through a silicone tube.

By adopting the structure, the designed exhaust port 6 is connected with the expansion tank of the vehicle by using the silica gel pipe, so that gas in DCDC is brought into the expansion tank through the exhaust hole in the cooling water flowing process, the smooth exhaust and full heat dissipation are realized.

The casing 1 is provided with a plurality of electrical connectors 8, and in this embodiment, the electrical connectors 8 are configured according to the electrical appliances arranged in the DCDC.

The shell 1 is also provided with a grounding point and a waterproof ventilation valve.

The outer diameter of the pipeline of the cooling liquid inlet 4 and the cooling liquid outlet 5 is 25.4mm, and the outer diameter of the pipeline of the exhaust port 6 is 10 mm-12.7 mm.

The coolant flow channels 3 are distributed in a serpentine shape.

With the structure, the cooling is more sufficient.

The cooling liquid flow channel 3 is compacted and sealed through a rubber ring, and in the embodiment, the periphery of the flow channel is compacted and sealed through the rubber ring, so that the tightness is improved.

A plurality of mounting pins 9 are also fixed on the housing 1, and in this embodiment, the number of mounting pins 9 is four.

By adopting the structure, the installation is more convenient.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a fuel cell DCDC converter with exhaust function, includes casing (1) and upper cover (2), its characterized in that, upper cover (2) demountable installation on casing (1), casing (1) divide into two-layer, the upper strata is electric appliance arrangement layer, the lower floor is cooling water runner layer, cooling water runner in situ is provided with coolant liquid runner (3), set up coolant liquid import (4) and coolant liquid export (5) that are linked together with coolant liquid runner (3) on casing (1), coolant liquid import (4) and coolant liquid export (5) are located the both ends of coolant liquid runner (3) respectively, coolant liquid export (5) department still be provided with gas vent (6), gas vent (6) are linked together with the upper end of coolant liquid export (5).

2. The DCDC converter with the exhaust function for the fuel cell according to claim 1, wherein the upper cover (2) is further provided with an electrical maintenance port (7).

3. The DCDC converter for a fuel cell having an exhaust function according to claim 1, wherein said exhaust port (6) is provided vertically upward.

4. The DCDC converter with exhausting function for fuel cell according to claim 1, wherein the exhaust port (6) is connected to an expansion tank of the vehicle through a silicone tube.

5. The DCDC converter with the exhaust function for the fuel cell according to claim 1, wherein the housing (1) is provided with a plurality of electrical connectors (8).

6. The DCDC converter with exhausting function for fuel cell according to claim 1, wherein the casing (1) is further provided with a grounding point and a waterproof ventilation valve.

7. The DCDC converter for a fuel cell having an exhaust function according to claim 1, wherein the outer diameters of the pipes of the coolant inlet (4) and the coolant outlet (5) are 25.4mm, and the outer diameter of the pipe of the exhaust port (6) is 10mm to 12.7mm.

8. The DCDC converter with exhausting function for fuel cell according to claim 1, wherein the coolant flow passage (3) is in a serpentine distribution.

9. The DCDC converter with venting function for fuel cells according to claim 1, characterized in that the coolant flow channel (3) is sealed by means of a rubber gasket.

10. The DCDC converter with exhaust function for fuel cells according to claim 1, wherein the housing (1) is further fixed with a plurality of mounting legs (9).