CN111063914A - Integrated device is handled to on-vehicle hydrogen fuel cell coolant liquid - Google Patents
Integrated device is handled to on-vehicle hydrogen fuel cell coolant liquid Download PDFInfo
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- CN111063914A CN111063914A CN201911292196.5A CN201911292196A CN111063914A CN 111063914 A CN111063914 A CN 111063914A CN 201911292196 A CN201911292196 A CN 201911292196A CN 111063914 A CN111063914 A CN 111063914A
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- deionizer
- valve body
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- flow passage
- limiting
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- 239000002826 coolant Substances 0.000 title claims abstract description 29
- 239000000446 fuel Substances 0.000 title claims abstract description 26
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000001257 hydrogen Substances 0.000 title claims abstract description 24
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 title claims description 11
- 238000007789 sealing Methods 0.000 claims abstract description 92
- 230000000670 limiting effect Effects 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000002242 deionisation method Methods 0.000 claims abstract description 30
- 239000000110 cooling liquid Substances 0.000 claims abstract description 27
- 239000008367 deionised water Substances 0.000 claims abstract description 20
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 abstract description 11
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 8
- 239000000047 product Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04029—Heat exchange using liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04044—Purification of heat exchange media
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04537—Electric variables
- H01M8/04634—Other electric variables, e.g. resistance or impedance
- H01M8/04649—Other electric variables, e.g. resistance or impedance of fuel cell stacks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a vehicle-mounted hydrogen fuel cell coolant treatment integrated device which comprises a conductivity sensor, a first sealing cover, a valve body, a second sealing cover, a deionizer, a limiting block and a filter element net, wherein a branch flow passage, a deionized water flow passage and a main flow passage are arranged in the valve body, the deionized water flow passage is communicated with the branch flow passage and the main flow passage, the main flow passage comprises the conductivity sensor and a filter pipe, the filter element net is embedded in the filter pipe, and the second sealing cover is arranged at the upper left end of the filter pipe; the branch flow channel comprises a deionizer, limiting pieces on two sides of the upper end of the deionizer are matched with limiting blocks, and the limiting blocks are fixed in a cavity at the right upper end of the valve body through screws; the top of the valve body is provided with a first sealing cover. After the invention is externally connected with the galvanic pile, the cooling of the galvanic pile can be realized; the device can realize the functions of cooling liquid deionization, conductivity detection and impurity filtration; the device has high integration level, small space and convenient component replacement.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of hydrogen fuel cells, in particular to the technical field of a cooling liquid treatment integrated device of a vehicle-mounted hydrogen fuel cell.
[ background of the invention ]
During the operation of the hydrogen fuel cell, the hydrogen and the oxygen generate electrochemical reaction under the action of the membrane electrode of the stack, and the chemical energy in the fuel is converted into electric energy. The overall process of energy exchange is very sensitive to ions and therefore the conductivity in a fluid sequential system cannot exceed 5 mus/cm. Meanwhile, mechanical impurities in the pipelines also have great influence on the performance of the battery.
Most cooling circulation system piping arrangement at present is as shown in figure 1, and the coolant liquid gets into the pile from the water inlet, takes away the heat that the inside electrochemical reaction of pile produced, flows through the cooling module from the delivery port outflow pile, continues to get into the pile by the water inlet after cooling down, forms the main road of system, and partial coolant liquid flows into expansion tank after the cooling module through, and expansion tank supplements the coolant liquid for cooling system. The prior art generally installs the deionization product on coolant liquid circulation pipeline branch road, and filter product and conductivity sensor install respectively on the main road, and independent installation mounting all need be considered to every functional unit like this, has increased conventional and unconventional connection pipe fitting simultaneously for fuel cell system's volume is too big, and the integrated level is low, and part fixed mounting is inconvenient, when changing each part, needs to arrange the coolant liquid in the cooling circulation system to the greatest extent, and the maintenance work degree of difficulty is great. Therefore, a new vehicle-mounted hydrogen fuel cell coolant treatment integrated device that can solve the above problems is required.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a vehicle-mounted hydrogen fuel cell coolant treatment integrated device, which can realize cooling of a galvanic pile after being externally connected with the galvanic pile; the device can realize the functions of cooling liquid deionization, conductivity detection and impurity filtration; the device has high integration level, small space and convenient component replacement.
In order to achieve the purpose, the invention provides a vehicle-mounted hydrogen fuel cell coolant treatment integrated device which comprises a conductivity sensor, a first sealing cover, a valve body, a second sealing cover, a deionizer, a limiting block and a filter element net, wherein a branch flow passage, a deionized water flow passage and a main flow passage are arranged in the valve body, the deionized water flow passage is communicated with the branch flow passage and the main flow passage, the main flow passage comprises the conductivity sensor and a filter pipe, the filter element net is embedded in the filter pipe, and the second sealing cover is arranged at the upper left end of the filter pipe; the branch flow channel comprises a deionizer, limiting pieces on two sides of the upper end of the deionizer are matched with limiting blocks, and the limiting blocks are fixed in a cavity at the right upper end of the valve body through screws; the top of the valve body is provided with a first sealing cover; the deionizer consists of a deionizer shell, a deionizer sealing cover and a deionization core body, wherein the deionization core body is arranged in the deionizer shell, and the deionizer sealing cover is matched at the upper end of the deionizer shell.
Preferably, a branch channel water inlet and a main channel water inlet are respectively arranged on the upper side and the lower side of the right end face of the valve body, a main channel left end outlet of the valve body is a main channel water outlet, cooling liquid flows through the valve body, the cooling liquid enters the device valve body from the main channel water inlet and the branch channel water inlet, and the cooling liquid flows out of the device valve body from the main channel water outlet.
Preferably, a filtering pipeline is arranged at the upper end of the water outlet of the main path flow channel, and a filter element net is arranged in the filtering pipeline; the filter element net limiting piece is arranged in the main channel flow passage and corresponds to the filter pipeline and carries out limiting support on the filter element net.
As preferred, a plurality of valve body mounting holes have been opened to the front side of valve body, and valve body right side inner chamber upper end is equipped with the stopper mounting groove, and the stopper mounting groove is the ring channel, has the stopper through the screw connection in the stopper mounting groove, and stopper upper surface symmetry has set up the limiting plate, and the limiting plate forms the spacing groove with the stopper main part, and the spacing groove cooperatees with the deionizer closing cap.
Preferably, a conductivity sensor mounting hole is vertically formed in the left side of the valve body, and the conductivity sensor is fixed on the main path flow channel in a sealing mode through the conductivity sensor mounting hole.
Preferably, a section of large-outer-diameter shell eave is arranged at an opening of a shell of the deionizer, locating pins for sealing and covering the deionizer are arranged at positions, which are away from the opening by a certain distance, of the shell eave along the circumferential direction, through holes are formed in the circumferential direction and the bottom surface of the shell part below the shell eave, cooling liquid flows through the through holes, and the cooling liquid enters and exits the deionizer through the through holes; the opening end face of the deionizer seal cover is provided with a deionizer seal cover positioning groove along the circumferential direction, the matching action of the deionizer seal cover positioning groove and the deionizer seal cover positioning pin in mutual matching achieves the sealing and fixing effect of the deionizer, symmetrical limiting pieces are arranged on the opening end face of the deionizer seal cover at a certain distance, and the matching action of the limiting pieces and the limiting pieces achieves the fixing and limiting effect of the deionizer on the device; and the top of the deionizer sealing cover is provided with an arc-shaped grip handle.
Preferably, a first elastic sealing gasket is arranged between the contact surface of the deionization device sealing cover and the deionization core body, and a second elastic sealing gasket is arranged between the contact surface of the filter core net and the second sealing cover; a sealing ring is arranged between the shell eave of the deionizer and the contact surface of the valve body, a sealing ring mounting groove is formed in the upper end of the cavity in the right side of the valve body, and a sealing ring is accommodated in the sealing ring mounting groove.
The invention has the beneficial effects that: after the invention is externally connected with the galvanic pile, the cooling of the galvanic pile can be realized; the device can realize the functions of cooling liquid deionization, conductivity detection and impurity filtration; the device has high integration level, small space and convenient component replacement.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic view of a current cooling cycle system piping arrangement;
FIG. 2 is a schematic perspective view of an integrated coolant treatment device for a vehicle-mounted hydrogen fuel cell according to the present invention;
FIG. 3 is a schematic diagram of a top view of an integrated coolant treatment device for a vehicle-mounted hydrogen fuel cell according to the present invention;
FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 3 according to the present invention;
FIG. 5 is a perspective view showing the internal structure of a valve body of an integrated device for processing coolant of a vehicle-mounted hydrogen fuel cell according to the present invention;
FIG. 6 is a schematic perspective view of a deionizer of an integrated device for processing coolant of a vehicle-mounted hydrogen fuel cell according to the present invention;
FIG. 7 is a schematic perspective view of a cover of a deionizer of an integrated coolant treatment device for a vehicle-mounted hydrogen fuel cell according to the present invention;
fig. 8 is a schematic perspective view of a limiting block of the integrated device for processing coolant of a vehicle-mounted hydrogen fuel cell according to the present invention.
In the figure: 1-conductivity sensor, 2-first sealing cover, 3-valve body, 31-branch flow channel water inlet, 32-main flow channel water inlet, 33-main flow channel water outlet, 34-filter pipe, 35-valve body mounting hole, 36-filter element net limiting piece, 37-filter pipeline, 38-conductivity sensor mounting hole, 39-limiting piece mounting groove, 310-sealing ring mounting groove, 311-branch flow channel, 312-deionized water flow channel, 313-main flow channel, 4-second sealing cover, 5-deionizer, 51-deionizer shell, 511-deionizer sealing cover positioning pin, 512-sealing ring contact surface, 513-through hole, 52-deionizer sealing cover, 521-deionizer sealing cover positioning groove, 5211-first positioning notch, water outlet, 5212-a second positioning notch, 5213-a third positioning notch, 522-a limiting sheet, 523-a grab handle, 53-a deionization core body, 6-a sealing ring, 7-a first elastic sealing gasket, 8-a limiting block, 81-a limiting plate, 82-a limiting groove, 9-a filter core net, 10-a second elastic sealing gasket, 11-a galvanic pile, 12-a tee pipe fitting, 13-a cooling module, 14-an expansion water tank, 15-a deionization product, 16-a filter product and 17-a sensor mounting piece.
[ detailed description ] embodiments
Referring to fig. 2-8, the present invention includes a conductivity sensor 1, a first sealing cover 2, a valve body 3, a second sealing cover 4, a deionizer 5, a limiting block 8 and a filter element net 9, wherein a branch channel 311, a deionized water channel 312 and a main channel 313 are arranged in the valve body 3, the deionized water channel 312 is communicated with the branch channel 311 and the main channel 313, the main channel 313 includes the conductivity sensor 1 and a filter tube 34, the filter element net 9 is embedded in the filter tube 34, and the second sealing cover 4 is arranged at the upper left end of the filter tube 34; the branch flow channel 311 comprises a deionizer 5, limiting pieces 522 at two sides of the upper end of the deionizer 5 are matched with limiting blocks 8, and the limiting blocks 8 are fixed in a cavity at the right upper end of the valve body 3 through screws; the top of the valve body 3 is provided with a first sealing cover 2; the deionizer 5 consists of a deionizer shell 51, a deionizer cover 52 and a deionization core body 53, wherein the deionization core body 53 is arranged in the deionizer shell 51, and the deionizer cover 52 is matched at the upper end of the deionizer shell 51.
Specifically, a branch channel water inlet 31 and a main channel water inlet 32 are respectively arranged on the upper and lower sides of the right end face of the valve body 3, the left end outlet of the main channel 313 of the valve body 3 is a main channel water outlet 33, the cooling liquid flows through the valve body 3, the cooling liquid enters the device valve body 3 from the main channel water inlet 32 and the branch channel water inlet 31, and the cooling liquid flows out of the device valve body 3 from the main channel water outlet 33.
Specifically, a filtering pipeline 37 is arranged at the upper end of the main channel water outlet 33, and the filter element net 9 is arranged in the filtering pipeline 37; the main path flow passage 313 is internally provided with a filter element net limiting piece 36 corresponding to the filter pipeline 37, and the filter element net limiting piece 36 carries out limiting support on the filter element net 9.
Specifically, a plurality of valve body mounting holes 35 have been opened to the front side of valve body 3, and 3 right side inner chambers upper ends of valve body are equipped with stopper mounting groove 39, and stopper mounting groove 39 is the ring channel, has stopper 8 through the screw connection in the stopper mounting groove 39, and stopper 8 upper surface symmetry has set up limiting plate 81, and limiting plate 81 forms spacing groove 82 with the stopper main part, and spacing groove 82 cooperatees with deionizer closing cap 52.
Specifically, a conductivity sensor mounting hole 38 is vertically formed in the left side of the valve body 3, and the conductivity sensor 1 is hermetically fixed on the main path flow channel 313 through the conductivity sensor mounting hole 38.
Specifically, a section of large-outer-diameter shell eave is arranged at an opening of a shell 51 of the deionizer, positioning pins 511 for sealing and covering the deionizer are arranged at positions, which are away from the opening by a certain distance, of the shell eave along the circumferential direction, through holes 513 are formed in the circumferential direction and the bottom surface of the shell part below the shell eave, cooling liquid flows through the through holes 513, and the cooling liquid enters and exits the deionizer 5 through the through holes 513; a deionizer seal cover positioning groove 521 is formed in the opening end face of the deionizer seal cover 52 along the circumferential direction, the matching effect of the deionizer seal cover positioning groove 521 and a deionizer seal cover positioning pin 511 in mutual matching achieves the sealing and fixing effect of the deionizer 5, symmetrical limiting pieces 522 are arranged on the opening end face of the deionizer seal cover 52 at a certain distance, and the fixing and limiting effect of the deionizer 5 on the device is achieved through the matching effect of the limiting pieces 522 and limiting blocks 8 in matching; the top of the deionizer cover 52 is provided with an arc-shaped grip 523.
Specifically, a first elastic sealing gasket 7 is arranged between the contact surfaces of the deionizer sealing cover 52 and the deionization core body 53, and a second elastic sealing gasket 10 is arranged between the contact surfaces of the filter element net 9 and the second sealing cover 4; the sealing ring 6 is arranged between the shell brim of the deionizer shell 51 and the contact surface of the valve body 3, the upper end of the cavity in the right side of the valve body 3 is provided with a sealing ring mounting groove 310, and the sealing ring 6 is accommodated in the sealing ring mounting groove 310.
The working process of the invention is as follows:
the invention discloses a vehicle-mounted hydrogen fuel cell cooling liquid treatment integrated device, which is explained in the working process with reference to the attached drawings.
Referring to fig. 2-5, the present application provides an integrated device for processing a coolant of a vehicle-mounted hydrogen fuel cell, the device includes a main channel 313, a branch channel 311 and a deionized water channel 312, the deionized water channel 312 is communicated with the branch channel 311 and the main channel 313; the main channel 313 includes the conductivity sensor 1 and the filter pipe 34, the branch channel includes the deionizer 5, and the coolant enters the device valve body 3 from the main channel water inlet 32 and the branch channel water inlet 31 and flows out of the device valve body 3 from the main channel water outlet 33. The deionizer 5 is installed in the deionized water flow channel, limited and fixed by the limiting block 8, the sealing ring 6 is used for sealing, and the cooling liquid in the branch flow channel 311 must flow through the deionizer 5 to form the deionized water which is converged into the main flow channel 313. The conductivity sensor 1 is hermetically fixed on the main path flow channel through the conductivity sensor mounting hole 38, and detects the conductivity of the cooling liquid in the main path flow channel 313. The main path runner water outlet 33 is provided with a filtering pipeline 37, the filter element net 9 is arranged in the filtering pipeline 37, one end of the filter element net 9 is open, the other end is closed, the circumference is provided with a thin through hole, and the open end faces the main path runner 313; the main channel flow channel 313 is internally provided with a filter element net limiting piece 36 corresponding to the filter pipeline 37 to limit and support the filter element 9 of the filter pipe, the coolant in the main channel flow channel 313 flows into the filter element net 9, and flows out of the device through the main channel flow channel water outlet 33 after being filtered by the filter element net 9, so that the filtering effect of the filter pipe product is realized, and only the filter element net 9 needs to be replaced when in replacement. The device further comprises a sealing ring 6, a first elastic sealing gasket 7 and a second elastic sealing gasket 10, and a first cover 2 and a second cover 4, which are used for sealing the device.
Referring to fig. 6 and 7, the deionizer 5 is composed of a deionizer housing 51 and a deionizer cover 52, and a deionizing core 53. The deionization core body 53 is composed of a microporous filter screen wrapping deionization exchange resin, the height of the deionization core body is equal to that of the deionization shell 51, and the first elastic sealing gasket 7 is arranged between the contact surfaces of the deionization sealing cover 52 and the deionization core body 53. The opening of the deionizer shell 51 is provided with a shell eave with a large outer diameter, the shell eave is provided with a deionizer cover positioning pin 511 along the circumferential direction at a certain distance from the opening, meanwhile, through holes 513 are formed in the circumferential direction and the bottom surface of the shell part below the shell eave of the deionizer shell 51, and cooling liquid passes through the through holes 513 and completes the deionization process through the deionization core body 53. The top surface of the deionization device sealing cover 52 is provided with a grabbing handle 523 which is convenient to grab when being replaced, and meanwhile, the opening end surface of the sealing cover is provided with a deionization device sealing cover positioning groove 521 along the circumferential direction and a symmetrical limiting sheet 522 is arranged at a certain distance from the opening end surface. The deionizer cap 52 is configured such that the positioning pins 511 enter the second positioning notches 5212 along the first positioning notches 5211 by compressing the first elastic sealing gasket 7, the deionizer cap 52 is rotated counterclockwise such that the deionizer cap positioning pins 511 reach the end faces of the second positioning notches 5212, the deionizer cap 52 is released, the compression restoring force of the first elastic sealing gasket 7 causes the deionizer cap positioning pins 511 to be firmly fixed in the second positioning notches 5212, the deionizer cap positioning pins 511 enter the third positioning notches 5213 only when the first elastic sealing gasket 7 is continuously compressed, and the deionizer cap positioning pins 511 cooperate with the deionizer cap positioning grooves 521 to achieve the sealed positioning of the deionizer housing 51 and the deionizer cap 52.
Fig. 8 is a perspective view of stopper 8, and stopper 8 main part is the ring form, passes through the screw connection with the stopper mounting groove 39 of valve body, and stopper 8 upper surface symmetry has set up limiting plate 81, and the limiting plate forms spacing groove 82 with the ring form stopper main part, and is fixed spacing to the deionizer.
The deionizer 5 is fixedly disposed in the deionized water flow path 312. Firstly, fixing a limiting block 8 on a valve body 3, vertically placing a deionizer 5 along a deionized water flow channel 312, and continuously pressing a sealing ring 6 downwards after a shell brim of the deionizer 5 contacts the sealing ring 6 arranged in a sealing ring mounting groove 310, so that a limiting strip 522 can enter a limiting groove 82; then, the deionizer 5 is rotated, at this time, the first elastic sealing gasket 7 is further compressed due to the previous extrusion of the sealing ring 6, the deionizer cap positioning pin 511 enters the third positioning notch 5213, at this time, the rotation direction of the deionizer 5 is not limited, and the deionizer 5 is still tightly sealed; finally, after the limiting strip 522 completely enters the limiting groove 82, the acting force on the deionizer 5 is removed, and the limiting strip 522 is tightly attached to the limiting plate 81 due to the compression restoring force of the sealing ring 6 and the first elastic sealing gasket 7, so that the deionizer 5 is fixed in the valve body 3. Deionizer 5 realizes the leakproofness of coolant liquid in the deionization runner to the contact compression effect of sealing washer 6, and simultaneously, first elastic sealing gasket 7 also plays sealed effect to the coolant liquid in deionizer 5, and both combined action realize that deionization core 53 soaks completely in the coolant liquid, reach the deionization effect maximize.
When the deionizer 5 is replaced, the first sealing cover 2 is opened, the sealing ring 6 and the first elastic sealing gasket 7 are compressed by the grabbing handle 523, the limiting plate 81 is separated from the limiting strip 522, the deionizer 5 is rotated to completely separate from the limiting groove 82 through the limiting strip 522, the sealing ring 6 is compressed by contact, and the first elastic sealing gasket 7 compresses restoring force to enable the deionizer sealing cover positioning pin 511 to separate from the third positioning notch 5213 to reach the tail end face of the second positioning notch 5212. The deionizer 5 is separated from the valve body 3 along the deionized water flow passage by the grip 523. After the deionizer 5 is taken out, the deionizer cap 52 is rotated so that the deionizer cap positioning pin 511 is disengaged from the second positioning notch 5212, the sealing between the deionizer cap 52 and the deionizer housing 51 is released through the first positioning notch 5211, and the deionizer core 53 is replaced with a new one and then sealed and fixed in the valve body 3 again to seal the first cap 2.
The whole integrated device is fixedly installed in the system through a valve body installation hole 35, cooling liquid enters the device from a main channel water inlet 32 and a branch channel water inlet 31, the cooling liquid in a branch channel 311 flows through a deionizer 5 to form deionized water, the deionized water flows into a main channel 313 through a deionized water channel 312, and the deionized water sequentially passes through a conductivity sensor 1 and a filter pipe 34 and flows out of the device from a main channel water outlet 33. The device enhances the integration level of the system and improves the replacement efficiency of the components.
According to the invention, after the electric pile is externally connected, the electric pile can be cooled; the device can realize the functions of cooling liquid deionization, conductivity detection and impurity filtration. By adopting the device, functional components required by the fuel cell cooling liquid system can be reduced by more than 1/3, the volume of the system is reduced by at least 20%, the integration level of the system is greatly enhanced, and the component replacement efficiency is improved.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides an integrated device is handled to on-vehicle hydrogen fuel cell coolant liquid which characterized in that: the device comprises a conductivity sensor (1), a first sealing cover (2), a valve body (3), a second sealing cover (4), a deionizer (5), a limiting block (8) and a filter element net (9), wherein a branch flow channel (311), a deionized water flow channel (312) and a main flow channel (313) are arranged in the valve body (3), the deionized water flow channel (312) is communicated with the branch flow channel (311) and the main flow channel (313), the main flow channel (313) comprises the conductivity sensor (1) and a filter pipe (34), the filter element net (9) is embedded in the filter pipe (34), and the second sealing cover (4) is arranged at the upper left end of the filter pipe (34); the branch flow channel (311) comprises a deionizer (5), limiting pieces (522) on two sides of the upper end of the deionizer (5) are matched with limiting blocks (8), and the limiting blocks (8) are fixed in a cavity at the right upper end of the valve body (3) through screws; the top of the valve body (3) is provided with a first sealing cover (2); the deionizer (5) consists of a deionizer shell (51), a deionizer sealing cover (52) and a deionization core body (53), wherein the deionization core body (53) is arranged in the deionizer shell (51), and the deionizer sealing cover (52) is matched at the upper end of the deionizer shell (51).
2. The integrated device for processing the coolant of the on-vehicle hydrogen fuel cell according to claim 1, characterized in that: the main-path flow passage water inlet and the main-path flow passage water inlet are respectively arranged on the upper side and the lower side of the right end face of the valve body (3), the outlet of the left end of a main-path flow passage (313) of the valve body (3) is a main-path flow passage water outlet (33), cooling liquid flows through the valve body (3), the cooling liquid enters the device valve body (3) from the main-path flow passage water inlet (32) and the branch-path flow passage water inlet (31), and the cooling liquid flows out of the device valve body (3) from the main-path flow passage water outlet (.
3. The integrated device for processing the coolant of the on-vehicle hydrogen fuel cell according to claim 1, characterized in that: a filtering pipeline (37) is arranged at the upper end of the main channel water outlet (33), and the filter element net (9) is arranged in the filtering pipeline (37); the main path flow channel (313) is internally provided with a filter element net limiting piece (36) corresponding to the filtering pipeline (37), and the filter element net limiting piece (36) is used for limiting and supporting the filter element net (9).
4. The integrated device for processing the coolant of the on-vehicle hydrogen fuel cell according to claim 1, characterized in that: the front side of valve body (3) is opened has a plurality of valve body mounting holes (35), and valve body (3) right side inner chamber upper end is equipped with stopper mounting groove (39), and stopper mounting groove (39) are the ring channel, have stopper (8) through screw connection in stopper mounting groove (39), and stopper (8) upper surface symmetry has set up limiting plate (81), and limiting plate (81) form spacing groove (82) with the stopper main part, and spacing groove (82) cooperate with deionizer closing cap (52).
5. The integrated device for processing the coolant of the on-vehicle hydrogen fuel cell according to claim 1, characterized in that: a section of large-outer-diameter shell eave is arranged at an opening of a shell (51) of the deionizer, positioning pins (511) for sealing and covering the deionizer are arranged at positions, which are away from the opening by a certain distance, of the shell eave along the circumferential direction, through holes (513) are formed in the circumferential direction and the bottom surface of the shell part below the shell eave, cooling liquid flows through the through holes (513), and the cooling liquid enters and exits the deionizer (5) through the through holes (513); a deionizer cover positioning groove (521) is formed in the opening end face of the deionizer cover (52) along the circumferential direction, the deionizer cover positioning groove (521) is matched with the deionizer cover positioning pin (511) mutually, symmetrical limiting pieces (522) are arranged on the opening end face of the deionizer cover (52) at a certain distance, and the limiting pieces (522) are matched with limiting blocks (8); the top of the deionizer sealing cover (52) is provided with an arc-shaped handle (523).
6. The integrated device for processing the coolant of the on-vehicle hydrogen fuel cell according to claim 1, characterized in that: a first elastic sealing gasket (7) is arranged between the contact surface of the deionizer sealing cover (52) and the deionization core body (53), and a second elastic sealing gasket (10) is arranged between the contact surface of the filter element net (9) and the second sealing cover (4); a sealing ring (6) is arranged between the shell brim of the deionizer shell (51) and the contact surface of the valve body (3), a sealing ring mounting groove (310) is arranged at the upper end of the cavity in the right side of the valve body (3), and the sealing ring (6) is accommodated in the sealing ring mounting groove (310).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911292196.5A CN111063914B (en) | 2019-12-16 | 2019-12-16 | Vehicle-mounted hydrogen fuel cell cooling liquid treatment integrated device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911292196.5A CN111063914B (en) | 2019-12-16 | 2019-12-16 | Vehicle-mounted hydrogen fuel cell cooling liquid treatment integrated device |
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| CN111063914A true CN111063914A (en) | 2020-04-24 |
| CN111063914B CN111063914B (en) | 2024-06-14 |
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| CN201911292196.5A Active CN111063914B (en) | 2019-12-16 | 2019-12-16 | Vehicle-mounted hydrogen fuel cell cooling liquid treatment integrated device |
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| CN112290049A (en) * | 2020-10-23 | 2021-01-29 | 江苏清能动力科技有限公司 | Fuel cell thermal management system |
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| CN113851675A (en) * | 2021-09-29 | 2021-12-28 | 马勒汽车技术（中国）有限公司 | Deionizing device |
| CN114566684A (en) * | 2022-01-27 | 2022-05-31 | 金龙联合汽车工业（苏州）有限公司 | Diagnosis early warning device and method for conductivity of hydrogen fuel cell engine system |
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| CN114566684A (en) * | 2022-01-27 | 2022-05-31 | 金龙联合汽车工业（苏州）有限公司 | Diagnosis early warning device and method for conductivity of hydrogen fuel cell engine system |
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