CN216213573U

CN216213573U - Integrated fuel cell expansion kettle

Info

Publication number: CN216213573U
Application number: CN202122668653.5U
Authority: CN
Inventors: 相文林; 袁跃萍; 相秋静
Original assignee: Yangzhou Zhongde Auto Parts Co ltd
Current assignee: Yangzhou Zhongde Auto Parts Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-04-05
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses an integrated fuel cell expansion kettle in the field of fuel cells, which comprises a rectangular shell, wherein a liquid containing cavity for containing cooling liquid is arranged inside the shell, a liquid inlet pipe communicated with the liquid containing cavity is arranged at the upper part of one side of the shell, the liquid inlet pipe comprises a horizontal pipe body I and a vertical pipe body II, the pipe body I is fixed on the shell, a deionizer is arranged on the shell corresponding to the liquid inlet pipe, mixed bed resin is arranged inside a cylinder body, an upper cover body and a lower cover body are respectively arranged at the upper end and the lower end of the cylinder body, an upper joint is connected with the pipe body II of the liquid inlet pipe, the lower joint is connected with a cooling liquid outlet of the hydrogen fuel cell, a liquid outlet pipe is horizontally arranged at the lower part of the other side of the shell and is connected with an inlet of a water pump, the top of the shell is vertically provided with a liquid feeding pipe, the side surface of the liquid feeding pipe is connected with an exhaust pipe, and the top of the liquid feeding pipe is provided with a pressure cover. The utility model can reduce the loss of cooling liquid, save space and is more convenient to operate during disassembly, assembly, maintenance and repair.

Description

Integrated fuel cell expansion kettle

Technical Field

The utility model belongs to the field of fuel cells, and particularly relates to an integrated fuel cell expansion kettle.

Background

In the prior art, a hydrogen fuel cell is a device which converts chemical energy into electric energy through electrochemical reaction by using hydrogen as fuel and oxygen as oxidant, generates water and heat in the reaction process, and is a clean and environment-friendly new energy source. The fuel cell automobile is a new energy automobile, and has the advantages of energy conservation, zero emission, no pollution, high efficiency, low noise and the like. The method is rapidly developed in recent years and has good application prospect.

The normal working temperature of the fuel cell is 60-80 ℃, the temperature is too low, the working efficiency is reduced, and the membrane electrode loses water due to too high temperature, so that the cell is damaged, therefore, in order to accurately control the temperature of the fuel cell, a fuel cell thermal management system needs to use cooling liquid to cool the fuel cell system, an expansion kettle can stabilize the pressure of the cooling liquid of the system, a deionizer can reduce the ion rate in the cooling liquid, the existing expansion kettle and deionizer are connected through a pipeline, so that the loss of the cooling liquid is too high, more space is occupied, and the pipeline arrangement cost is increased; the operation is not convenient enough when dismouting, maintenance and maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an integrated fuel cell expansion kettle which can reduce the loss of cooling liquid, save more space, reduce the pipeline arrangement cost and be more convenient to operate during disassembly, assembly, maintenance and repair.

The purpose of the utility model is realized as follows: an integrated fuel cell expansion kettle comprises a rectangular shell, wherein the shell is vertically arranged, a liquid containing cavity for containing cooling liquid is arranged in the shell, a liquid inlet pipe communicated with the liquid containing cavity is arranged at the upper part of one side of the shell and is L-shaped, the liquid inlet pipe comprises a horizontal pipe body I and a vertical pipe body II, the pipe body I is fixed on the shell, a deionizer is arranged on the shell corresponding to the liquid inlet pipe and comprises a vertically arranged barrel body, mixed bed resin is arranged in the barrel body, an upper cover body and a lower cover body are respectively arranged at the upper end and the lower end of the barrel body, the middle parts of the upper cover body and the lower cover body are respectively connected with an upper connector and a lower connector, the upper connector is connected with the pipe body II of the liquid inlet pipe, the lower connector is connected with a cooling liquid outlet of a hydrogen fuel cell, the barrel body is fixedly connected with the shell through at least two fixing supports, and a liquid outlet pipe is horizontally arranged at the lower part of the other side of the shell, the drain pipe is connected with the water pump inlet through a pipeline, a liquid feeding pipe is vertically arranged at the top of the shell, the liquid feeding pipe and the drain pipe are communicated with a liquid filling cavity, the side face of the liquid feeding pipe is connected with an exhaust pipe, the top of the liquid feeding pipe is provided with a pressure cover, the lower part of the outer side of the shell is provided with a plurality of L-shaped mounting supports, and the horizontal part of each mounting support is provided with a kidney-shaped groove.

The utility model integrally installs a deionizer at the outer side of an expansion kettle, the lower joint of the deionizer is connected with a coolant outlet of a hydrogen fuel cell, a liquid outlet pipe is connected with an inlet of a water pump through a pipeline, the outlet of the water pump is connected with a coolant inlet of the hydrogen fuel cell, a coolant outlet of the hydrogen fuel cell is also connected with an inlet of an upper water chamber of a radiator, an outlet of a lower water chamber of the radiator is also connected with an inlet of the water pump, a part of coolant discharged from a coolant outlet enters the deionizer to remove ions and then enters the expansion kettle, and the other part of the coolant enters the radiator to cool. When the cooling liquid in the expansion kettle exceeds the highest liquid level height, the exhaust pipe exhausts the gas outwards, and when the cooling liquid falls to the lowest liquid level height position, the liquid is added into the expansion kettle through the liquid adding pipe, so that the expansion kettle has a pressure stabilizing effect. Compared with the prior art, the utility model has the beneficial effects that: the loss of cooling liquid can be reduced, more space is saved, the pipeline arrangement cost is reduced, and the operation is more convenient during the dismounting, the maintenance and the maintenance.

As a further improvement of the utility model, the inner wall of the second pipe body is provided with an internal thread, the periphery of the upper joint is provided with an external thread matched with the internal thread, the upper joint is axially inserted into the second pipe body, the inner wall of the second pipe body is provided with a first annular inner step, and the end part of the upper joint is abutted against the first inner step. The upper joint of the deionizer is connected with the liquid inlet pipe in a threaded manner, so that the deionizer is more convenient to install.

As a further improvement of the utility model, at least two groups of positioning assemblies are arranged at intervals on the periphery of the barrel body, each positioning assembly comprises two rings of annular positioning bulges arranged at the periphery of the barrel body at intervals, each group of positioning assemblies is connected with a fixing support, each fixing support comprises a positioning seat fixed with the shell through a fastener, an arc-shaped mounting groove is formed in each positioning seat, the lower side of one section of the barrel body between the two rings of positioning bulges is embedded into the corresponding mounting groove, a hoop is correspondingly arranged on the periphery of the barrel body, and the hoop is fixed with the corresponding positioning seat. The clamp fixes the barrel on the positioning seat, and the deionizer is installed and fixed.

As a further improvement of the utility model, two horizontal filter discs which correspond up and down are respectively arranged in the cylinder body, a plurality of filter holes are formed in the filter discs, mixed bed resin is arranged between the two filter discs, an inner step II is arranged on the inner wall of the cylinder body, the outer edges of the two filter discs are respectively attached to the upper end face and the lower end face of the inner step II, an annular upper pressing plate for pressing the upper filter disc is arranged at the lower part of the upper cover body, an annular lower pressing plate for pressing the lower filter disc is arranged at the upper part of the lower cover body, the flow area of the annular lower pressing plate is gradually reduced from top to bottom, and the upper cover body and the lower cover body are respectively in threaded connection with the upper end and the lower end of the cylinder body. After the deionizer uses a period of time, will pull down with the pipeline that the lower clutch is connected, the discharge that down flows along the inner wall of liquid in the barrel, and the inner wall of annular holding down plate has the water conservancy diversion effect, then after pulling down the lid, takes out the bed resin that mixes after the use and carries out the bed resin that mixes that updates, the increase of utilization ratio saves the cost.

As a further improvement of the utility model, an external connecting pipe is arranged on one side surface of the shell opposite to the liquid outlet pipe, the upper end and the lower end of the external connecting pipe are respectively communicated with the upper part and the lower part of the accommodating cavity, and a liquid level sensor is vertically arranged in the accommodating cavity. The external pipe is U-shaped, and when holding the position that the intracavity coolant liquid rose external pipe upper end, the coolant liquid got into external pipe for liquid downflow speed has the effect of extra storage cooling liquid, and level sensor has the effect of detecting the liquid level height.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is an enlarged view of the liquid inlet pipe and the upper joint.

Fig. 3 is a schematic structural view of a deionizer.

Fig. 4 is a partially enlarged view of the deionizer.

Fig. 5 is a schematic end view of the deionizer and the fixing bracket.

Fig. 6 is a top view of the expansion tank of the present invention.

Fig. 7 is a right side view of the expansion tank of the present invention.

The device comprises a shell 1, a liquid filling cavity 2, a liquid inlet pipe 3, a first 301 pipe body, a second 302 pipe body, a 4 deionizer, a cylinder 401, mixed bed resin 402, an upper cover 403, a lower cover 404, an upper joint 5, a lower joint 6, a fixing support 7, a 7a positioning seat, a 7b mounting groove, a 7c clamp, a liquid outlet pipe 8, a liquid adding pipe 9, an exhaust pipe 10, a pressure cover 11, a mounting support 12, a waist-shaped groove 13, a first 14 inner step, a 15 positioning bulge, a 16 filter disc, a 16a filter hole, a second 17 inner step, an upper pressure plate 18, a lower pressure plate 19, an external connection pipe 20 and a liquid level sensor 21.

Detailed Description

As shown in fig. 1-7, an integrated fuel cell expansion kettle comprises a rectangular housing 1, the housing 1 is vertically arranged, a liquid containing cavity 2 for containing a cooling liquid is arranged inside the housing 1, a liquid inlet pipe 3 communicated with the liquid containing cavity 2 is arranged at the upper part of one side of the housing 1, the liquid inlet pipe 3 is L-shaped, the liquid inlet pipe 3 comprises a horizontal pipe body one 301 and a vertical pipe body two 302, the pipe body one 301 is fixed on the housing 1, a deionizer 4 is arranged on the housing 1 corresponding to the liquid inlet pipe 3, the deionizer 4 comprises a vertically arranged cylinder body 401, a mixed bed resin 402 is arranged inside the cylinder body 401, the upper end and the lower end of the cylinder body 401 are respectively provided with an upper cover body 403 and a lower cover body 404, the middle parts of the upper cover body 403 and the lower cover body 404 are respectively connected with an upper joint 5 and a lower joint 6, the upper joint 5 is connected with the pipe body two 302 of the liquid inlet pipe 3, the lower joint 6 is connected with a cooling liquid outlet of a hydrogen fuel cell, barrel 401 is through two at least fixed bolster 7 and 1 looks fixed connection of casing, the lower part level of 1 opposite side of casing is provided with drain pipe 8, drain pipe 8 is connected with the water pump entry through the pipeline, 1 top of casing is vertical to be provided with liquid feeding pipe 9, liquid feeding pipe 9 and drain pipe 8 all are linked together with dress liquid chamber 2, the side of liquid feeding pipe 9 is connected with blast pipe 10, the top of liquid feeding pipe 9 is provided with pressure lid 11, the lower part in the 1 outside of casing is provided with a plurality of L shape installing supports 12, kidney slot 13 has been seted up on the horizontal part of installing support 12.

In order to install the deionizer 4 conveniently, the inner wall of the second pipe body 302 is provided with an internal thread, the periphery of the upper joint 5 is provided with an external thread matched with the internal thread, the upper joint 5 is axially inserted into the second pipe body 302, the inner wall of the second pipe body 302 is provided with a first annular inner step 14, and the end part of the upper joint 5 abuts against the first inner step 14. The upper joint 5 of the deionizer 4 is connected with the liquid inlet pipe 3 in a threaded manner, so that the deionizer is more convenient to install.

Barrel 401's periphery interval is provided with at least two sets of locating component, locating component includes that two rings of intervals set up the protruding 15 in the annular location of barrel 401 periphery, all connects a fixed bolster 7 on every locating component of group, and fixed bolster 7 includes through fastener and 1 fixed positioning seat 7a mutually of casing, is provided with arc mounting groove 7b on the positioning seat 7a, lies in on the barrel 401 that two rings of one section downside embedding between the protruding 15 corresponds the mounting groove 7b in, and barrel 401 periphery corresponds and is provided with clamp 7c, and clamp 7c is fixed mutually with corresponding positioning seat 7 a. The clamp 7c fixes the cylindrical body 401 to the positioning seat 7a, and fixes the deionizer 4.

In order to facilitate replacement of the mixed bed resin 402, two horizontal filter sheets 16 corresponding to each other up and down are respectively arranged in the cylinder 401, a plurality of filter holes 16a are formed in each filter sheet 16, the mixed bed resin 402 is arranged between the two filter sheets 16, an inner step II 17 is arranged on the inner wall of the cylinder 401, the outer edges of the two filter sheets 16 are respectively attached to the upper end face and the lower end face of the inner step II 17, an annular upper pressing plate 18 for pressing the upper filter sheet 16 is arranged at the lower part of the upper cover body 403, an annular lower pressing plate 19 for pressing the lower filter sheet 16 is arranged at the upper part of the lower cover body 404, the flow area of the annular lower pressing plate 19 is gradually reduced from top to bottom, and the upper cover body 403 and the lower cover body 404 are respectively in threaded connection with the upper end and the lower end of the cylinder 401. After the deionizer 4 is used for a period of time, the pipeline connected with the lower connector 6 is detached, liquid in the cylinder 401 flows downwards along the inner wall to be discharged, the inner wall of the annular lower pressing plate 19 has a flow guiding effect, and then the used mixed bed resin 402 is taken out to be replaced by new mixed bed resin 402 after the cover body 404 is detached, so that the utilization rate is improved, and the cost is saved.

An external connecting pipe 20 is arranged on one side surface of the shell 1 opposite to the liquid outlet pipe 8, the upper end and the lower end of the external connecting pipe 20 are respectively communicated with the upper part and the lower part of the containing cavity, and a liquid level sensor 21 is vertically arranged in the containing cavity. External pipe 20 is the U-shaped, and when holding intracavity coolant liquid and rise to the position of external pipe 20 upper end, the coolant liquid gets into external pipe 20 for liquid downflow speed has the effect of extra storage cooling liquid, and level sensor 21 has the effect of detecting the liquid level height.

The utility model integrally installs a deionizer 4 at the outer side of an expansion kettle, a lower joint 6 of the deionizer 4 is connected with a cooling liquid outlet of a hydrogen fuel cell, a liquid outlet pipe 8 is connected with a water pump inlet through a pipeline, the water pump outlet is connected with a cooling liquid inlet of the hydrogen fuel cell, a cooling liquid outlet of the hydrogen fuel cell is also connected with an upper water chamber inlet of a radiator, a lower water chamber outlet of the radiator is also connected with a water pump inlet, one part of cooling liquid discharged from a cooling liquid outlet enters the deionizer 4 to remove ions and then enters the expansion kettle, and the other part of cooling liquid enters the radiator to cool. When the cooling liquid in the expansion kettle exceeds the highest liquid level height, the exhaust pipe 10 exhausts the air outwards, and when the cooling liquid falls to the lowest liquid level height position, the liquid is added into the expansion kettle through the liquid adding pipe 9, so that the expansion kettle has a pressure stabilizing effect. The utility model has the advantages that: the loss of cooling liquid can be reduced, more space is saved, the pipeline arrangement cost is reduced, and the operation is more convenient during the dismounting, the maintenance and the maintenance.

The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.

Claims

1. An integrated fuel cell expansion kettle is characterized by comprising a rectangular shell, wherein the shell is vertically arranged, a liquid containing cavity for containing cooling liquid is arranged in the shell, a liquid inlet pipe communicated with the liquid containing cavity is arranged at the upper part of one side of the shell, the liquid inlet pipe is L-shaped and comprises a horizontal pipe body I and a vertical pipe body II, the pipe body I is fixed on the shell, a deionizer is arranged on the shell corresponding to the liquid inlet pipe and comprises a vertically arranged barrel body, mixed bed resin is arranged in the barrel body, an upper cover body and a lower cover body are respectively arranged at the upper end and the lower end of the barrel body, the middle parts of the upper cover body and the lower cover body are respectively connected with an upper connector and a lower connector, the upper connector is connected with the pipe body II of the liquid inlet pipe, the lower connector is connected with a cooling liquid outlet of a hydrogen fuel cell, and the barrel body is fixedly connected with the shell through at least two fixing supports, the lower part level of casing opposite side is provided with the drain pipe, and the drain pipe is connected with the water pump entry through the pipeline, the vertical liquid feeding pipe that is provided with in casing top, liquid feeding pipe and drain pipe all are linked together with dress liquid chamber, the side of liquid feeding pipe is connected with the blast pipe, and the top of liquid feeding pipe is provided with the pressure lid, and the lower part in the casing outside is provided with a plurality of L shape installing supports, has seted up the kidney slot on the horizontal part of installing support.

2. The integrated fuel cell expansion kettle as claimed in claim 1, wherein the inner wall of the second pipe body is provided with an internal thread, the outer circumference of the upper joint is provided with an external thread matching with the internal thread, the upper joint is axially inserted into the second pipe body, the inner wall of the second pipe body is provided with a first annular inner step, and the end of the upper joint abuts against the first inner step.

3. The integrated fuel cell expansion kettle of claim 1 or 2, wherein at least two sets of positioning components are arranged at intervals on the periphery of the barrel body, each positioning component comprises two rings of annular positioning protrusions arranged at intervals on the periphery of the barrel body, each set of positioning components is connected with a fixing support, each fixing support comprises a positioning seat fixed with the shell through a fastener, an arc-shaped mounting groove is formed in each positioning seat, one section of the barrel body, which is located between the two rings of positioning protrusions, is embedded into the corresponding mounting groove, a clamping hoop is correspondingly arranged on the periphery of the barrel body, and the clamping hoop is fixed with the corresponding positioning seat.

4. The integrated fuel cell expansion kettle according to claim 1 or 2, wherein two horizontal filter sheets are respectively disposed in the cylinder body, the filter sheets are provided with a plurality of filter holes, the mixed bed resin is disposed between the two filter sheets, the inner wall of the cylinder body is provided with an inner step II, the outer edges of the two filter sheets are respectively attached to the upper end face and the lower end face of the inner step II, the lower part of the upper cover body is provided with an annular upper pressing plate for pressing the upper filter sheet, the upper part of the lower cover body is provided with an annular lower pressing plate for pressing the lower filter sheet, the flow area of the annular lower pressing plate is gradually decreased from top to bottom, and the upper cover body and the lower cover body are respectively in threaded connection with the upper end and the lower end of the cylinder body.

5. The integrated fuel cell expansion kettle of claim 1 or 2, wherein an external connection pipe is arranged on a side surface of the shell opposite to the liquid outlet pipe, the upper end and the lower end of the external connection pipe are respectively communicated with the upper part and the lower part of the accommodating cavity, and a liquid level sensor is vertically arranged in the accommodating cavity.