CN210161939U

CN210161939U - Integrated deionization and conductivity detection water tank device for fuel cell

Info

Publication number: CN210161939U
Application number: CN201920798845.8U
Authority: CN
Inventors: 马天才; 程建; 袁昆; 朱东; 吴伟
Original assignee: Wuhan Taige Hydrogen Energy Automobile Co Ltd
Current assignee: Wuhan Taige Hydrogen Energy Automobile Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-03-20
Anticipated expiration: 2029-05-30

Abstract

The utility model provides a water tank device of integrated form deionization and detection conductivity for fuel cell, including expansion tank, pile, ionic filter, particle filter, conductivity sensor and level sensor, expansion tank's bottom sets up the water tank delivery port, the income liquid mouth intercommunication of water tank delivery port and pile, ionic filter and particle filter all set up the inside at expansion tank, ionic filter is used for filtering the ion of aquatic, particle filter is used for filtering the foreign particles of aquatic, conductivity sensor's sense terminal stretches into expansion tank's inside, is used for detecting the conductivity of the water after ionic filter filters, level sensor's sense terminal stretches into expansion tank's inside, is used for detecting expansion tank's water level. The device provided by the utility model with ion filter, particle filter, conductivity sensor, level sensor integration in expansion tank, reduced the cooling system pipeline, effectively practice thrift the space.

Description

Integrated deionization and conductivity detection water tank device for fuel cell

Technical Field

The utility model relates to a water tank technical field for the vehicle especially relates to a water tank device of integrated form deionization and detection conductivity for fuel cell.

Background

Get into fuel and air in the fuel cell and can produce a large amount of heat energy when taking place electrochemical reaction and produce electric energy, the efficiency that can influence electrochemical reaction if not in time cooling of heat energy, shorten fuel cell's life-span, realize the cooling function through inputing the coolant liquid in fuel cell at present, the expansion tank pipeline that provides the coolant liquid in the current fuel cell pipeline is as shown in figure 1, can find out by figure 1, current expansion tank pipeline is complicated, the wiring is many, ion filter directly sets up in the expansion tank pipeline, the difficult change after the life cycle reaches, the coolant liquid is difficult for discharging.

Disclosure of Invention

In view of this, the utility model provides a water tank device of integrated form deionization and detection conductivity for fuel cell that the integrated level is high.

The utility model provides a water tank device of integrated form deionization and detection conductivity for fuel cell, including expansion tank, pile, ionic filter, particle filter, conductivity sensor and level sensor, expansion tank's bottom sets up the water tank delivery port, the income liquid mouth intercommunication of water tank delivery port and pile, ionic filter and particle filter all set up the inside at expansion tank, ionic filter is used for filtering the ion of aquatic, particle filter is used for filtering the foreign particles of aquatic, conductivity sensor's sense terminal stretches into expansion tank's inside, is used for detecting the conductivity of the water after ionic filter filters, level sensor's sense terminal stretches into expansion tank's inside, is used for detecting expansion tank's water level.

Furthermore, the water outlet of the water tank is communicated with the liquid inlet of the galvanic pile through a first pipeline, a circulating water pump is arranged on the first pipeline, and water in the expansion water tank is transmitted to the galvanic pile through the circulating water pump.

Furthermore, a water tank water injection port is arranged at the upper end of the expansion water tank, and water is injected into the expansion water tank through the water tank water injection port.

Further, expansion tank's upper end sets up water tank return water mouth, the radiator is connected to the liquid outlet of pile, the export and the water tank return water mouth intercommunication of radiator, the water that flows out from the liquid outlet of pile flows through water tank return water mouth inflow expansion tank internal recycle after the radiator cooling.

The utility model provides a beneficial effect that technical scheme brought is:

1. the device provided by the utility model integrates the ion filter, the particle filter, the conductivity sensor and the liquid level sensor in the expansion water tank, thereby reducing the pipeline of the cooling system and effectively saving the space;

2. the device provided by the utility model has the advantages that the ion filter is directly arranged in the expansion water tank, so that the cooling liquid of the system does not need to be discharged in the replacement process of the ion filter, and the device is convenient and quick to remove;

3. the device provided by the utility model can directly detect the conductivity of the cooling liquid filtered by the ion filter, and quickly judge whether the ion filter reaches the service cycle and needs to be replaced;

4. the device provided by the utility model owing to with the particle filter integration in the expansion tank, can need not consider particle filter's flow resistance size, can filter the granule that the particle diameter is littleer, guarantee the security of galvanic pile.

Drawings

Fig. 1 is a schematic diagram of an expansion tank circuit for supplying a coolant in a conventional fuel cell circuit.

Fig. 2 is a schematic structural diagram of the integrated deionization and conductivity detection water tank device for a fuel cell with high integration level.

Fig. 3 is a schematic structural diagram of an expansion tank of an integrated deionization and conductivity detection water tank device for a fuel cell with high integration level.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.

Referring to fig. 2, an embodiment of the present invention provides an integrated deionization and conductivity detection water tank device for a fuel cell, including an expansion water tank 1, a stack 2, an ion filter 3, a conductivity sensor 4, a circulating water pump 5, a particulate filter 6, a heater 7, a radiator 8, and a liquid level sensor 9.

Referring to fig. 3, an ion filter 3 and a particle filter 6 are both disposed inside the expansion tank 1, the ion filter 3 is used to filter ions in water, the particle filter 6 is used to filter foreign particles in water, the use of the ion filter 3 and the particle filter 6 can avoid the influence of the ions and foreign particles in water on the cell stack 2, the detection end of the conductivity sensor 4 extends into the expansion tank 1, and conductivity sensor 4 sets up in expansion tank 1 and leans on the position of downside, is located the below of ion filter 3, and conductivity sensor 4 can directly detect the conductivity of the water after ion filter 3 filters, whether quick judgement ion filter 3 reaches the life cycle, whether need change, and the detection end of level sensor 9 stretches into the position of the inside inclined to the lower extreme of expansion tank 1 for detect the water level of expansion tank 1.

Expansion tank 1's upper end sets up water tank water filling port 11 and water tank return water mouth 12, through 11 water of injecting into in to expansion tank 1 of water tank water filling port, expansion tank 1's bottom sets up water tank delivery port 13, and water tank delivery port 13 is through the income liquid mouth intercommunication of first pipeline 14 with pile 2, and circulating water pump 5 sets up on first pipeline 14, through circulating water pump 5 with the water transmission in the expansion tank 1 to pile 2 in.

A liquid outlet of the electric pile 2 is connected with the radiator 8 through a second pipeline 21, and water flowing out of the liquid outlet of the electric pile 2 flows through the radiator 8 to be cooled and then flows into the expansion water tank 1 again through the water tank return port 12 for recycling; the liquid outlet of the electric pile 2 is also connected with the heater 7 through a third pipeline 22, and a three-way valve 23 is arranged among the heater 7, the radiator 8 and the circulating water pump 5.

The utility model provides a water tank device's of integrated form deionization and detection conductivity for fuel cell working process does: water injected into the expansion tank 1 through the water tank water injection port 11 is sequentially filtered through the ion filter 3 and the particle filter 6, the filtered water flows out from the water tank water outlet 13 under the action of the circulating water pump 5 and is pumped into the electric pile 2, the water flowing out from the liquid outlet of the electric pile 2 flows through the radiator 8 to be cooled, and the cooled water flows into the expansion tank 1 again through the water tank water return port 12.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a water tank device of integrated form deionization and detection conductivity for fuel cell, its characterized in that includes expansion tank, pile, ion filter, particle filter, conductivity sensor and level sensor, expansion tank's bottom sets up the water tank delivery port, the water tank delivery port communicates with the income liquid mouth of pile, ion filter and particle filter all set up the inside at expansion tank, ion filter is used for filtering the ion of aquatic, particle filter is used for filtering the impurity granule of aquatic, the sense terminal of conductivity sensor stretches into expansion tank's inside, is used for detecting the conductivity of the water after ion filter filters, level sensor's sense terminal stretches into expansion tank's inside, is used for detecting expansion tank's water level.

2. The integrated deionization and conductivity detection water tank device according to claim 1, wherein the water outlet of the water tank is connected to the inlet of the electric pile through a first pipeline, and a water circulating pump is disposed on the first pipeline to transfer water in the expansion water tank to the electric pile.

3. The integrated deionization and conductivity detection water tank device according to claim 1, wherein a water tank inlet is provided at an upper end of the expansion water tank, and water is injected into the expansion water tank through the water tank inlet.

4. The integrated deionization and conductivity detection water tank device according to claim 1, wherein a water tank return port is provided at an upper end of the expansion water tank, the liquid outlet of the electric pile is connected to a radiator, an outlet of the radiator is communicated with the water tank return port, and water flowing out of the liquid outlet of the electric pile flows through the radiator to be cooled and then flows into the expansion water tank through the water tank return port for recycling.