CN116845277B - Series bipolar ejector device applied to fuel cell - Google Patents
Series bipolar ejector device applied to fuel cell Download PDFInfo
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- CN116845277B CN116845277B CN202310992480.3A CN202310992480A CN116845277B CN 116845277 B CN116845277 B CN 116845277B CN 202310992480 A CN202310992480 A CN 202310992480A CN 116845277 B CN116845277 B CN 116845277B
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- 239000000446 fuel Substances 0.000 title claims abstract description 38
- 239000000498 cooling water Substances 0.000 claims description 68
- 238000001816 cooling Methods 0.000 claims description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 238000002347 injection Methods 0.000 claims description 28
- 239000007924 injection Substances 0.000 claims description 28
- 238000001514 detection method Methods 0.000 claims description 17
- 239000003381 stabilizer Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims 6
- 239000001257 hydrogen Substances 0.000 abstract description 37
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 37
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 35
- 150000002431 hydrogen Chemical class 0.000 abstract description 2
- 230000003071 parasitic effect Effects 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 abstract description 2
- 239000002918 waste heat Substances 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 description 23
- 230000001105 regulatory effect Effects 0.000 description 21
- 239000000463 material Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04097—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with recycling of the reactants
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention relates to the technical field of hydrogen fuel cell application, and discloses a serial bipolar ejector device applied to a fuel cell, which comprises a bottom plate, wherein the upper part of the bottom plate is connected with an ejector body through two support components, an ejector cavity is arranged in the ejector body, the outer surface of the ejector body is in a step shape, a heat conducting net is connected in the ejector body, the flow control precision of the device is high, the flow precision can reach 0.1%, and the pressure fluctuation caused to a galvanic pile can be controlled within +/-2 kPa; the control is convenient, the flow and the pressure fluctuation can be controlled according to the pressure feedback of the sensor, the safety is high, and the damage to the galvanic pile is avoided; the power range coverage is wide, the full power coverage of the fuel cell can be realized, parasitic power consumption is avoided, the use cost of the fuel cell is reduced, and the hydrogen consumption is saved; the waste heat of the fuel cell is fully utilized to heat the hydrogen, the power generation of the fuel cell is improved, and the problem of difficult operation of the fuel cell in a low-temperature environment is avoided.
Description
Technical Field
The invention belongs to the technical field of hydrogen fuel cell application, and particularly relates to a serial bipolar ejector device applied to a fuel cell.
Background
The hydrogen fuel cell in the market mainly adopts the scheme that two products of a hydrogen supply module and a hydrogen circulation pump provide hydrogen supply and hydrogen circulation for the fuel cell.
The hydrogen fuel cell requires the supplied hydrogen to be clean and oilless, and simultaneously considers the characteristic of inflammability and explosiveness of a conveying medium, and has high requirements on leakage prevention and reliability of a supply system. The hydrogen circulating pump used at present is a Roots pump, lubricating oil exists in the Roots pump, the problems of oil leakage and air leakage exist after long-time work, and the Roots pump has the advantages of high use power consumption, high noise and short service life, and can reduce the power density of a fuel cell system.
Disclosure of Invention
In view of the above, in order to overcome the defects in the prior art, the present invention provides a serial bipolar ejector device applied to a fuel cell, which effectively solves the problems mentioned in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a be applied to fuel cell's bipolar ejector device of establishing ties, includes the bottom plate, bottom plate upper portion is connected with the ejector body through two supporting component, this internal injection chamber that is equipped with of ejector, the surface of ejector body is the ladder shape, ejector body internal connection has the heat conduction net, the heat conduction net front side is equipped with the heat source entry, the rear side of heat conduction net is equipped with the heat source export, this internal input pipe that is equipped with of ejector, the input pipe passes between the heat conduction net with proportional valve one and proportional valve two are connected, proportional valve one with proportional valve two fixed mounting is in the ejector body, be connected through the honeycomb duct between proportional valve one and the big nozzle, big nozzle fixed mounting is in on the injection chamber front side end wall, proportional valve two are connected through the honeycomb duct with little nozzle, little nozzle fixed mounting is in on the injection chamber front side end wall, just little nozzle is located inside the big nozzle, little nozzle with the export end of big nozzle, be equipped with the guide mouth on the injection chamber diapire, and the two end diameter of the injection chamber side of leading down side of the cone is in the cavity, two end diameter of the injection chamber is connected with two end cone-shaped, and the safety device is formed by two end walls.
Preferably, the support assembly comprises a bottom threaded block which is rotationally connected with the upper part of the bottom plate in a front-back symmetrical manner, the bottom threaded block is in threaded connection with the tail end of the lower side of the height-adjusting electric push rod, the tail end of the upper side of the height-adjusting electric push rod is in threaded connection with an upper threaded block, the upper threaded block is rotationally connected with the bottom of a lower manufactured plate in a symmetrical manner, the upper and lower manufactured plates are in threaded connection with each other through bolts and nuts, a front connecting pipe and a rear connecting pipe are respectively clamped between the front and rear manufactured plates, the front connecting pipe is connected with the tail end of the front side of the ejector body through a flange, the rear connecting pipe is connected with the tail end of the rear side of the ejector body through a flange, and the front connecting pipe is communicated with the input pipe.
Preferably, the bottom plate is provided with a cooling component, the cooling component comprises a fixed plate fixedly connected with the edges of the left side and the right side of the upper part of the bottom plate, the inner side surface of the fixed plate is fixedly connected with a first cooling electric push rod, the tail end of one side of the first cooling electric push rod far away from the fixed plate is fixedly connected with a first arc-shaped block, the inner side surface of the first arc-shaped block is arc-shaped, the inner side surface of the first arc-shaped block is connected with a first cooling water return pipe, stabilizer bars are symmetrically connected between the first arc-shaped block and the fixed plate, the surface of the fixed plate at the rear side of the first cooling electric push rod is fixedly connected with a second cooling electric push rod, the inner side end of the second cooling electric push rod is fixedly connected with a second arc-shaped block, the inner surface of the second arc-shaped block is arc-shaped, the inner surface of the second arc-shaped block is connected with a second cooling water return pipe, the radius of the arc of the inner surface of the first arc-shaped block is larger than that of the inner surface of the second arc-shaped block, a cooling water tank is fixedly connected to the upper part of the bottom plate between the fixing plates, a water supply pipe is fixedly connected to the left side surface and the right side surface of the cooling water tank, a diversion frame is fixedly connected to the tail end of one side of the water supply pipe far away from the cooling water tank, a first regulating valve is fixedly connected to the upper surface of the diversion frame, a first output pipe is fixedly connected to the upper surface of the first regulating valve, a second regulating valve is fixedly connected to the upper surface of the diversion frame at the rear side of the first regulating valve, a second output pipe is fixedly connected to the upper surface of the second regulating valve, and is connected with the input end of the second cooling water return pipe, the cooling water supply pipe comprises a cooling water tank, a water supply pipe, a water distribution pipe, a first return pipe, a second return pipe, a first return pipe and a second return pipe, wherein the outer surface of the cooling water tank is fixedly connected with the inflow pipe, the inflow pipe is far away from the end of one side of the cooling water tank, the end of the inflow pipe is fixedly connected with the water distribution pipe, the upper surface of the water distribution pipe is fixedly connected with the first return pipe, the first return pipe is connected with the output end of the first cooling water return pipe, the upper surface of the water distribution pipe is fixedly connected with the second return pipe, and the second return pipe is connected with the output end of the second cooling water return pipe.
Preferably, the fixed plate upper surface is equipped with temperature detection subassembly, temperature detection subassembly includes fixed plate upper surface fixedly connected with connecting rod, connecting rod upside end fixedly connected with mounting panel, the mounting panel bottom is equipped with the spout, rotate between the spout end wall and be connected with the lead screw, the lead screw is connected with motor power, motor fixed mounting is in mounting panel rear side surface, lead screw surface threaded connection has the nut piece, nut piece downside surface fixedly connected with detects electric putter, detect electric putter's downside end fixedly connected with temperature sensor, temperature sensor with the surface contact of ejector body.
Preferably, the upper surface of the bottom plate is fixedly connected with a console, the upper surface of the console is fixedly connected with an operation panel, the operation panel is in electric signal connection with a control processor, and a corresponding control program is arranged in the control processor.
Preferably, the jack is fixedly connected to the upper surface of the bottom plate at the front side of the control console, the jack is connected with a power supply system through a power transmission line, a wire is arranged in the bottom plate, and the jack is connected with the beginning end of the wire.
Preferably, the front side connecting pipe is connected with the ejector body through the flange, the rear side connecting pipe is connected with the ejector body through the flange, the flanges are locked through bolts and nuts, and sealing gaskets are added between the flanges.
Preferably, a cooling refrigerating system is arranged in the cooling water tank, the input end of the cooling refrigerating system is connected with the inflow pipe, and the output end of the cooling refrigerating system is communicated with the cooling water tank.
Compared with the prior art, the invention has the beneficial effects that:
1. the technical scheme of the invention increases the capability of hydrogen injection on the basis of hydrogen supply. Meanwhile, the problem that the single-pole ejector is small in coverage working condition points and cannot meet full working condition coverage is solved, the scheme adopts a hydrogen supply system and bipolar ejection, the problems of no power consumption, low noise and no oil and gas leakage are achieved, the weight is light, the volume is small, and the power density of the fuel cell system is improved.
2. The device has high flow control precision, the flow precision can reach 0.1 percent, and the pressure fluctuation caused to the galvanic pile can be controlled within +/-2 kPa; the control is convenient, the flow and the pressure fluctuation can be controlled according to the pressure feedback of the sensor, the safety is high, and the damage to the galvanic pile is avoided; the power range coverage is wide, the full power coverage of the fuel cell can be realized, parasitic power consumption is avoided, the use cost of the fuel cell is reduced, and the hydrogen consumption is saved; the waste heat of the fuel cell is fully utilized to heat the hydrogen, the power generation of the fuel cell is improved, and the problem of difficult operation of the fuel cell in a low-temperature environment is avoided.
3. The flow of the large nozzle and the small nozzle can be accurately controlled through the two proportional valves, and the effective adjustment of the injection ratio can be realized; the large nozzle and the small nozzle adopt a nested scheme, so that the use of a single nozzle can be met, and the simultaneous use of two nozzles can also be met; the integrated heat exchange device is internally provided with a heat conducting net, so that the heat exchange between a heat source and hydrogen can be improved, and the temperature of the hydrogen is obviously improved; the flow regulation of the proportional valve can be controlled by the signal fed back by the pressure sensor, so that the hydrogen supply and the hydrogen circulation control of the fuel cell are facilitated.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic view of a first directional structure of a serial bipolar ejector device for a fuel cell according to the present invention
FIG. 2 is a schematic view of a second directional structure of a serial bipolar ejector device for a fuel cell according to the present invention;
FIG. 3 is a schematic view of a third directional structure of a serial bipolar ejector device for a fuel cell according to the present invention;
FIG. 4 is a schematic view of a fourth directional structure of a serial bipolar ejector device for a fuel cell according to the present invention;
FIG. 5 is a schematic view of a fifth directional structure of a serial bipolar ejector device for a fuel cell according to the present invention;
FIG. 6 is a schematic view showing a structure of a serial bipolar ejector device for a fuel cell according to a sixth aspect of the present invention
FIG. 7 is a schematic cross-sectional view of the ejector body of the present invention.
In the figure: the device comprises a 1-bottom plate, a 2-bottom screw block, a 3-height adjusting electric push rod, a 4-jack, a 5-console, a 6-operation panel, a 7-cooling water tank, an 8-fixed plate, a 9-connecting rod, a 10-mounting plate, a 11-first arc block, a 12-ejector body, a 13-temperature sensor, a 14-second cooling water return pipe, a 15-first cooling water return pipe, a 16-first cooling electric push rod, a 17-stabilizer bar, a 18-bolt, a 19-manufactured plate, a 20-second return pipe, a 21-first return pipe, a 22-shunt pipe, a 23-inflow pipe, a 24-second arc block, a 25-diversion frame, a 26-first adjusting valve, a 27-first output pipe, a 28-second adjusting valve, a 29-second output pipe, a 30-water supply pipe, a 31-heat source outlet, a 32-heat source inlet, a 33-detecting electric push rod, a 34-upper screw block, a 35-front side connecting pipe, a 36-rear side connecting pipe, a 37-safety valve, a 38-pressure sensor, a 39-motor, a 40-nut block, a 41-42, a 43-second nozzle, a 45-43-44, a second nozzle, a 48-46, a jet nozzle, a large proportion valve, a 48-and a nozzle, a small proportion adjusting valve, a 48-46.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 7, the invention provides a serial bipolar ejector device applied to a fuel cell, comprising a bottom plate 1, wherein the bottom plate 1 is made of metal materials, the surface of the bottom plate 1 is provided with insulating materials, the upper part of the bottom plate 1 is connected with an ejector body 12 through two supporting components, the ejector body 12 is made of metal materials, an ejector cavity 50 is arranged in the ejector body 12, the inner surface of the ejector cavity 50 is smooth, the outer surface of the ejector body 12 is in a step shape, a heat conducting net 43 is connected in the ejector body 12, the heat conducting net 43 is used for conducting heat, a heat source inlet 32 is arranged at the front side of the heat conducting net 43, a heat source is introduced into the heat conducting net 43 through the heat source inlet 32, a heat source outlet 31 is arranged at the rear side of the heat conducting net 43, the heat source outlet 31 is used for guiding out the heat source passing through the heat conducting net 43, an input pipe 45 is arranged in the ejector body 12, the input pipe 45 is used for inputting hot hydrogen into the ejector body 12, the input pipe 45 passes through the heat conducting net 43 and is connected with a first proportional valve 44 and a second proportional valve 46, the first proportional valve 44 is used for regulating and controlling the flow rate which is introduced into a large nozzle 48, the second proportional valve 46 is used for regulating and controlling the flow rate which is introduced into a small nozzle 47, the first proportional valve 44 and the second proportional valve 46 are fixedly arranged in the ejector body 12, the first proportional valve 44 is connected with the large nozzle 48 through a flow guide pipe, the large nozzle 48 is fixedly arranged on the front end wall of the ejector cavity 50, the second proportional valve 46 is connected with the small nozzle 47 through a flow guide pipe, the small nozzle 47 is fixedly arranged on the front end wall of the ejector cavity 50, the small nozzle 47 is positioned in the large nozzle 48, the small nozzle 47 is flush with the outlet end of the large nozzle 48, the small nozzle 47 is made of metal materials, the small nozzle 47 and the large nozzle 48 are made of the same materials, an injection port 49 is formed in the bottom wall of the injection cavity 50, the injection port 49 is used for being communicated with an injection source, the injection port 49 is positioned at the lower side of the outlet end of the large nozzle 48, hot hydrogen flowing out of the large nozzle 48 and the small nozzle 47 is conveniently injected, a safety valve 37 is connected to the upper side of the end position of the injection cavity 50, the safety valve 37 is used for carrying out safety protection on the injector body 12, a pressure sensor 38 is connected to the end wall of the injection cavity 50 at the lower side of the safety valve 37, the pressure sensor 38 is used for detecting the pressure at the end of the injector body 12, the cavity 50 is formed by two inverted conical cavities, and the two inverted conical small-diameter conical ports are communicated;
So that hot hydrogen enters through the input pipe 45, a heat source enters into the heat conducting net 43 through the heat source inlet 32, is discharged through the heat source outlet 31, hot hydrogen passes through the input pipe 45 in the heat conducting net 43, the heat conducting net 43 heats the hot hydrogen in the input pipe 45, the first proportional valve 44 and the second proportional valve 46 regulate and control the flow of the hot hydrogen which is introduced into the input pipe 45, and then the hot hydrogen is introduced into the small nozzle 47 and the large nozzle 48, an injection source is introduced through the injection port 49, the hot hydrogen in the injection cavity 50 is ignited, and then the hot hydrogen is discharged through the tail end of the injector body 12, the pressure sensor 38 detects the pressure at the tail end of the injector body 12, and the safety valve 37 carries out safety protection on the tail end of the injector body 12.
Advantageously, the supporting component comprises a bottom thread block 2 which is rotationally connected with the upper part of the bottom plate 1 in a front-back symmetrical way, two bottom thread blocks 2 are respectively arranged on the front side and the back side, the bottom thread blocks 2 are made of metal materials, the bottom thread blocks 2 are in threaded connection with the tail end of the lower side of the height-adjusting electric push rod 3, the height-adjusting electric push rod 3 is made of metal materials, the tail end of the lower side of the height-adjusting electric push rod 3 is provided with threads, a wire is connected with the wire which is arranged in the bottom plate 1, the tail end of the upper side of the height-adjusting electric push rod 3 is in threaded connection with an upper thread block 34, the upper thread block 34 is made of the same material as the bottom thread block 2, the upper thread block 34 is rotationally connected with the bottom of a lower side of a manufacturing plate 19 in a symmetrical way, the inner side surface of the manufacturing plate 19 is provided with an elastic protection pad, an upper manufacturing plate 19 and a lower manufacturing plate 19 are in threaded connection with a nut 52 through bolts 18, through holes for the bolts 18 to pass through are processed on the manufacturing plate 19, the bolts 18 and the nuts 52 are made of the same metal materials, a front connecting pipe 35 and a rear connecting pipe 36 are respectively clamped between the front manufacturing plate 19 and the rear manufacturing plate 19, the front connecting pipe 35 is made of the same material as the ejector body 12, the rear connecting pipe 36 is made of the same material as the front connecting pipe 35, the front connecting pipe 35 is connected with the front end of the ejector body 12 through a flange, the rear connecting pipe 36 is connected with the rear end of the ejector body 12 through a flange, the front connecting pipe 35 is communicated with the input pipe 45, the rear connecting pipe 36 is communicated with the injection cavity 50;
Thereby will high regulation electric putter 3 with threaded connection between the screw thread piece 2 of bottom, high regulation electric putter 3 with upper portion screw thread piece 34 threaded connection, with front side connecting pipe 35 with rear side connecting pipe 36 are put make on the board 19, through bolt 18 with nut 52 will make the board 19 locking to realize supporting front side connecting pipe 35 with rear side connecting pipe 36, thereby realize supporting injector body 12, give high regulation electric putter 3 is energized, high regulation electric putter 3's height is adjusted, thereby realizes adjusting injector body 12's height.
The cooling component is used for cooling the surface of the ejector body 12 to prevent from affecting the normal operation of the ejector body 12, the cooling component comprises a fixed plate 8 fixedly connected with the edges of the left side and the right side of the upper part of the bottom plate 1, the fixed plate 8 is made of metal materials, wires are arranged in the fixed plate 8 and connected with the wires arranged in the bottom plate 1, the inner side surface of the fixed plate 8 is fixedly connected with a first cooling electric push rod 16, the first cooling electric push rod 16 is made of metal materials, the first cooling electric push rod 16 is connected with wires, the wires are connected with the wires in the fixed plate 8, the tail end of one side of the first cooling electric push rod 16 far away from the fixed plate 8 is fixedly connected with a first arc-shaped block 11, the first arc-shaped block 11 is made of a light metal material, the inner side surface of the first arc-shaped block 11 is arc-shaped, the inner side surface of the first arc-shaped block 11 is connected with a first cooling water return pipe 15, the first cooling water return pipe 15 is made of a soft material, stabilizer bars 17 are symmetrically connected between the first arc-shaped block 11 and the fixed plate 8, the stabilizer bars 17 are made of a metal material, the stabilizer bars 17 can stretch out and draw back, the stabilizer bar 17 is used for supporting the first arc-shaped block 11, a second cooling electric push rod 51 is fixedly connected to the surface of the fixed plate 8 at the rear side of the first cooling electric push rod 16, the second cooling electric push rod 51 is made of metal materials, a wire is connected to the second cooling electric push rod 51, the wire is connected to the second cooling electric push rod 51 and is connected with the wire arranged in the fixed plate 8, a second arc-shaped block 24 is fixedly connected to the tail end of the inner side of the second cooling electric push rod 51, the second arc-shaped block 24 is made of the same material as the first arc-shaped block 11, the inner surface of the second arc-shaped block 24 is arc-shaped, the inner surface of the second arc-shaped block 24 is connected with a second cooling water return pipe 14, the second cooling water return pipe 14 is made of soft materials, the arc radius of the inner surface of the first arc-shaped block 11 is larger than that of the inner surface of the second arc-shaped block 24, the upper part of the bottom plate 1 between the fixing plates 8 is fixedly connected with a cooling water tank 7, the cooling water tank 7 is made of metal materials, the left side surface and the right side surface of the cooling water tank 7 are fixedly connected with water supply pipes 30, the water supply pipes 30 are made of metal materials, the water supply pipes 30 are communicated into the cooling water tank 7, a water supply assembly is arranged in the cooling water tank 7 and used for supplying water to the water supply pipes 30, the tail end of one side of the water supply pipe 30, which is far away from the cooling water tank 7, is fixedly connected with a diversion frame 25, the diversion frame 25 is made of a metal material, the upper surface of the diversion frame 25 is fixedly connected with a first regulating valve 26, the first regulating valve 26 is used for controlling the water quantity entering in a first output pipe 27, the upper surface of the first regulating valve 26 is fixedly connected with a first output pipe 27, the first output pipe 27 is made of a metal material, the first output pipe 27 is communicated with the first regulating valve 26, the first output pipe 27 is connected with the input end of a first cooling water return pipe 15, the upper surface of the diversion frame 25 at the rear side of the first regulating valve 26 is fixedly connected with a second regulating valve 28, the second regulating valve 28 regulates the water flow entering the second output pipe 29, the second output pipe 29 is made of the same material as the first output pipe 27, the second output pipe 29 is fixedly connected to the upper surface of the second regulating valve 28, the second output pipe 29 is connected to the input end of the second cooling water return pipe 14, the outer surface of the cooling water tank 7 in front of the water supply pipe 30 is fixedly connected with an inflow pipe 23, the inflow pipe 23 is made of a metal material, the inflow pipe 23 extends into the cooling water tank 7, the end of one side of the inflow pipe 23 far away from the cooling water tank 7 is fixedly connected with a shunt pipe 22, the shunt tube 22 is made of metal material, the shunt tube 22 is communicated with the inflow tube 23, a first return tube 21 is fixedly connected to the upper surface of the shunt tube 22, the first return tube 21 is made of metal material, the first return tube 21 is communicated with the shunt tube 22, the first return tube 21 is connected with the output end of the first cooling water return tube 15, a second return tube 20 is fixedly connected to the upper surface of the shunt tube 22 at the rear side of the first return tube 21, the shunt tube 22 is made of the same material as the first return tube 21, the second return tube 20 is communicated with the shunt tube 22, the second return pipe 20 is connected to the output end of the second cooling water return pipe 14;
Thereby giving first cooling electric putter 16 circular telegram, thereby makes first cooling electric putter 16 moves, thereby drives first arc piece 11 moves, thereby drives first cooling water back flow 15 with the contact of ejector body 12 surface, thereby makes water supply assembly move, and the cooling water enters into through delivery pipe 30 in the water conservancy diversion frame 25, through first governing valve 26 enter into in the first output tube 27, then enter into in the first cooling water back flow 15, first cooling water back flow 15 with ejector body 12 contact is to the cooling of ejector body 12, and the cooling water passes through first back flow 21 enters into in shunt tubes 22, through inflow pipe 23 backward flow arrives in the cooling water tank 7, give the circular telegram of second cooling electric putter 51, thereby make second cooling electric putter 51 moves, thereby drives second arc piece 24 moves, thereby drives second cooling water 14 motion in the ejector body 12 surface contact, and cooling water enters into through delivery pipe 30 in the water conservancy diversion frame 25 in the second cooling water back flow 14 enters into through second governing valve 29 in the cooling water back flow 14 through second side flow tube 22 enters into the cooling water back flow 14 in the water shunt tubes 22, then enters into through second side flow pipe 14 in the cooling water back flow pipe 12 through second governing valve 29 in the water back flow 14.
The temperature detection component is used for detecting the temperature of the surface of the ejector body 12, the temperature detection component comprises a connecting rod 9 fixedly connected with the upper surface of the fixing plate 8, the inside of the connecting rod 9 is of a hollow structure, the connecting rod 9 is made of metal materials, the tail end of the upper side of the connecting rod 9 is fixedly connected with a mounting plate 10, wires are arranged in the mounting plate 10 and connected with the wires in the fixing plate 8, the mounting plate 10 is made of light metal materials, a chute 42 is arranged at the bottom of the mounting plate 10, the inner surface of the chute 42 is smooth, the surface of the chute 42 is provided with anti-wear materials, a screw rod 41 is rotationally connected between end walls of the chute 42, the screw rod 41 is made of metal materials, the outer surface of the screw rod 41 is provided with anti-wear materials, the screw rod 41 is in power connection with the motor 39, the motor 39 is fixedly arranged on the rear side surface of the mounting plate 10, a nut block 40 is in threaded connection with the outer surface of the screw rod 41, the nut block 40 is made of metal materials, anti-abrasion materials are arranged on the outer surface of the nut block 40, the nut block 40 is slidably arranged between the end walls of the sliding grooves 42, a detection electric push rod 33 is fixedly connected with the lower side surface of the nut block 40, the detection electric push rod 33 is made of metal materials, a wire is connected with the detection electric push rod 33, the wire is connected with the wire in the mounting plate 10, a temperature sensor 13 is fixedly connected with the lower end of the detection electric push rod 33, the temperature sensor 13 is in surface contact with the ejector body 12 and detects the temperature of the surface of the ejector body 12, the temperature sensor 13 is in contact with the outer surface of the injector body 12;
Thereby start motor 39, thereby drive lead screw 41 rotates, thereby drives nut piece 40 moves, thereby drives detect electric putter 33 moves, thereby drives temperature sensor 13 moves, temperature sensor 13 moves to corresponding position, motor 39 stops moving, detect electric putter 33 gets the electricity and moves down, thereby drive temperature sensor 13 moves down with injector body 12 surface contact detects the temperature on injector body 12 surface, through the start-stop motion of motor 39, thereby drive temperature sensor 13 moves to the different positions on injector body 12 surface detects.
The control panel 5 is fixedly connected to the upper surface of the bottom plate 1, a wire is connected to the control panel 5 and connected to the wire in the bottom plate 1, an operation panel 6 is fixedly connected to the upper surface of the control panel 5, the operation panel 6 is electrically connected to a control processor, a corresponding control program is arranged in the control processor, and the control processor is in signal connection with the first cooling electric push rod 16, the temperature sensor 13, the height adjusting electric push rod 3, the second cooling electric push rod 51, the detecting electric push rod 33, the motor 39, the first adjusting valve 26 and the second adjusting valve 28;
Whereby an instruction for starting is input on the operation panel 6, the operation panel 6 transmits the instruction to the control processor, the control processor transmits a signal to the first cooling electric putter 16, the height adjustment electric putter 3, the second cooling electric putter 51, the detection electric putter 33, the motor 39, the first adjustment valve 26, the second adjustment valve 28, so that the first cooling electric putter 16, the height adjustment electric putter 3, the second cooling electric putter 51, the detection electric putter 33, the motor 39, the first adjustment valve 26, the second adjustment valve 28 are moved, and the temperature sensor 13 transmits a signal to the control processor.
The control board is characterized in that the upper surface of the bottom plate 1 at the front side of the control board 5 is fixedly connected with a jack 4, the jack 4 is connected with a power supply system through a power transmission line, a wire is arranged in the bottom plate 1, and the jack 4 is connected with the starting end of the wire;
Thereby supplying power through the jack 4, thereby realizing the power supply of the whole device.
Advantageously, the front side connecting pipe 35 is connected with the injector body 12 through a flange, the rear side connecting pipe 36 is connected with the injector body 12 through the flange, the flanges are locked through bolts and nuts, and a sealing gasket is added between the flanges.
The cooling water tank 7 is internally provided with a cooling and refrigerating system, the cooling and refrigerating system refrigerates the reflowed cooling water, the recycling is convenient, the input end of the cooling and refrigerating system is connected with the inflow pipe 23, and the output end of the cooling and refrigerating system is communicated with the cooling water tank 7.
In the working process of the invention, the height-adjusting electric push rod 3 is in threaded connection with the bottom threaded block 2, the height-adjusting electric push rod 3 is in threaded connection with the upper threaded block 34, the front side connecting pipe 35 and the rear side connecting pipe 36 are placed on the manufactured plate 19, the manufactured plate 19 is locked by the bolt 18 and the nut 52, so that the front side connecting pipe 35 and the rear side connecting pipe 36 are supported, the injector body 12 is supported, the height-adjusting electric push rod 3 is electrified, the height of the height-adjusting electric push rod 3 is adjusted, thereby realizing the height adjustment of the ejector body 12, inputting a starting instruction on the operation panel 6, the operation panel 6 transmitting the instruction to the control processor, the control processor transmitting signals to the first cooling electric push rod 16, the height adjustment electric push rod 3, the second cooling electric push rod 51, the detection electric push rod 33, the motor 39, the first adjusting valve 26 and the second adjusting valve 28, thereby enabling the first cooling electric push rod 16, the height adjustment electric push rod 3, the second cooling electric push rod 51, the detection electric push rod 33, the first cooling electric push rod 16, the second cooling electric push rod 3, the detection electric push rod 33, the first cooling electric push rod and the second cooling electric push rod 3, The motor 39, the first regulating valve 26 and the second regulating valve 28 move, the temperature sensor 13 sends signals to the control processor, the motor 39 is started, so as to drive the screw rod 41 to rotate, so as to drive the nut block 40 to move, so as to drive the detection electric push rod 33 to move, so as to drive the temperature sensor 13 to move, the temperature sensor 13 moves to a corresponding position, the motor 39 stops moving, the detection electric push rod 33 moves downwards electrically, so as to drive the temperature sensor 13 to move downwards to contact with the surface of the injector body 12, the temperature of the surface of the injector body 12 is detected, the temperature sensor 13 is driven to move to detect different positions on the surface of the ejector body 12 through the start-stop movement of the motor 39, the temperature sensor 13 detects the temperature of the surface of the ejector body 12 and sends a signal to the control processor, the control processor sends a signal to corresponding parts, the first cooling electric push rod 16 is electrified, so that the first cooling electric push rod 16 moves to drive the first arc-shaped block 11 to move, the first cooling water return pipe 15 is driven to contact with the surface of the ejector body 12, the water supply assembly moves, and cooling water enters the guide frame 25 through the water supply pipe 30, the cooling water enters the first output pipe 27 through the first regulating valve 26 and then enters the first cooling water return pipe 15, the first cooling water return pipe 15 contacts with the ejector body 12 to cool the ejector body 12, the cooling water enters the shunt pipe 22 through the first return pipe 21 and flows back into the cooling water tank 7 through the inflow pipe 23, the second cooling electric push rod 51 is electrified, so that the second cooling electric push rod 51 moves, the second arc-shaped block 24 is driven to move, the second cooling water return pipe 14 is driven to move the surface of the ejector body 12 to contact, cooling water enters the flow guide frame 25 through a water supply pipe 30, enters the second output pipe 29 through the second regulating valve 28 and then enters the second cooling water return pipe 14, the second cooling water return pipe 14 contacts the ejector body 12 to cool the ejector body 12, the cooling water enters the shunt pipe 22 through the second return pipe 20, flows back into the cooling water tank 7 through the inflow pipe 23, is recycled after being subjected to refrigeration treatment of the cooling refrigeration system, and the first regulating valve 26 and the second regulating valve 28 regulate the outflow cooling water according to the surface temperature of the ejector body 12.
When the ejector body 12 works, hot hydrogen enters through the input pipe 45, a heat source enters into the heat conducting net 43 through the heat source inlet 32, the heat source is discharged through the heat source outlet 31, the hot hydrogen passes through the input pipe 45 in the heat conducting net 43, the heat conducting net 43 heats the hot hydrogen in the input pipe 45, the first proportional valve 44 and the second proportional valve 46 regulate and control the flow of the hot hydrogen which is introduced into the input pipe 45, then the hot hydrogen is introduced into the small nozzle 47 and the large nozzle 48, an injection source is introduced into the small nozzle 47 through the injection port 49, the hot hydrogen in the injection cavity 50 is ignited, then the hot hydrogen is discharged through the tail end of the ejector body 12, the pressure sensor 38 detects the pressure at the tail end of the ejector body 12, and the safety valve 37 carries out safety protection on the tail end of the ejector body 12.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A serial bipolar ejector device for a fuel cell, characterized by: the ejector comprises a bottom plate (1), the upper part of the bottom plate (1) is connected with an ejector body (12) through two supporting components, an ejector cavity (50) is arranged in the ejector body (12), the outer surface of the ejector body (12) is in a stepped shape, a heat conducting net (43) is connected in the ejector body (12), a heat source inlet (32) is arranged on the front side of the heat conducting net (43), a heat source outlet (31) is arranged on the rear side of the heat conducting net (43), an input pipe (45) is arranged in the ejector body (12), the input pipe (45) penetrates through a space between the heat conducting net (43) and is connected with a first proportional valve (44) and a second proportional valve (46), the first proportional valve (44) and the second proportional valve (46) are fixedly arranged in the ejector body (12), a space between the first proportional valve (44) and the large nozzle (48) is connected through a flow guiding pipe, the large nozzle (48) is fixedly arranged on the front side end wall of the ejector cavity (50), the second proportional valve (46) and the small nozzle (47) are connected with the small nozzle (47) through the small nozzle (47), the large nozzle (47) is fixedly arranged on the front end wall of the large nozzle (48), the small nozzle (47) is arranged on the large end wall (47), an injection port (49) is formed in the bottom wall of the injection cavity (50), the injection port (49) is positioned at the lower side of the tail end of the large nozzle (48), a safety valve (37) is connected to the upper side of the tail end of the injection cavity (50), a pressure sensor (38) is connected to the end wall of the injection cavity (50) at the lower side of the safety valve (37), the injection cavity (50) is composed of two inverted conical cavities, and two inverted conical small-diameter conical ports are communicated;
The cooling assembly comprises a fixed plate (8) fixedly connected with the edges of the left side and the right side of the upper part of the bottom plate (1), a first cooling electric push rod (16) is fixedly connected with the surface of the inner side of the fixed plate (8), the first cooling electric push rod (16) is far away from a first arc-shaped block (11) fixedly connected with the tail end of one side of the fixed plate (8), the inner side surface of the first arc-shaped block (11) is arc-shaped, a first cooling water return pipe (15) is connected with the inner side surface of the first arc-shaped block (11), a stabilizer bar (17) is symmetrically connected between the first arc-shaped block (11) and the fixed plate (8), a second cooling electric push rod (51) is fixedly connected with the surface of the fixed plate (8) at the rear side of the first cooling electric push rod (16), a second arc-shaped block (24) is fixedly connected with the inner side end of the second arc-shaped block (24), the inner surface of the second arc-shaped block (24) is arc-shaped, the inner surface of the second arc-shaped block (24) is connected with a second arc-shaped block (14), the inner surface of the second arc-shaped block (24) is connected with a large radius of cooling water tank (7), the inner surface of the first arc-shaped block (8) is connected with the inner surface of the bottom plate (7), the side fixedly connected with delivery pipe (30) about coolant tank (7), delivery pipe (30) keep away from coolant tank (7) one side end fixedly connected with water conservancy diversion frame (25), water conservancy diversion frame (25) upper surface fixedly connected with first governing valve (26), first governing valve (26) upper surface fixedly connected with first output tube (27), first output tube (27) with the input of first coolant water back flow (15) is connected, first governing valve (26) rear side water conservancy diversion frame (25) upper surface fixedly connected with second governing valve (28), second output tube (29) with the input of second coolant water back flow (14) is connected to the upper surface fixedly connected with second output tube (29), the surface fixedly connected with inflow tube (23) of coolant tank (7) of delivery pipe (30) front side, inflow tube (23) keep away from coolant water back flow (7) one side end fixedly connected with shunt tubes (22), upper surface fixedly connected with second shunt tubes (21) of first back flow (21) is connected with first shunt tubes (21), the second return pipe (20) is connected with the output end of the second cooling water return pipe (14).
2. A serial bipolar ejector assembly for a fuel cell as in claim 1 wherein: the supporting component comprises a bottom threaded block (2) which is connected with the upper portion of the bottom plate (1) in a front-back symmetrical mode, the bottom threaded block (2) is in threaded connection with the tail end of the lower side of the height-adjusting electric push rod (3), the tail end of the upper side of the height-adjusting electric push rod (3) is in threaded connection with an upper threaded block (34), the upper threaded block (34) is symmetrically connected with the bottom of a lower manufactured plate (19) in a rotating mode, the upper and lower manufactured plates (19) are in threaded connection with nuts (52) through bolts (18), a front connecting pipe (35) and a rear connecting pipe (36) are respectively clamped between the front and lower manufactured plates (19), the front connecting pipe (35) is in threaded connection with the tail end of the front side of the ejector body (12), the rear connecting pipe (36) is in threaded connection with the tail end of the rear side of the ejector body (12) through a flange, the front connecting pipe (35) is communicated with an input pipe (45), and the rear connecting pipe (36) is communicated with an ejection cavity (50).
3. A serial bipolar ejector device for use in a fuel cell as in claim 2, wherein: the utility model provides a temperature detection assembly is equipped with to fixed plate (8) upper surface, temperature detection assembly includes fixed plate (8) upper surface fixedly connected with connecting rod (9), connecting rod (9) upside end fixedly connected with mounting panel (10), mounting panel (10) bottom is equipped with spout (42), rotate between spout (42) end wall and be connected with lead screw (41), lead screw (41) and motor (39) power connection, motor (39) fixed mounting is in mounting panel (10) rear side surface, lead screw (41) surface threaded connection has nut piece (40), nut piece (40) downside surface fixedly connected with detects electric putter (33), detect electric putter's downside end fixedly connected with temperature sensor (13), temperature sensor (13) with the surface contact of ejector body (12).
4. A serial bipolar ejector device for use in a fuel cell as in claim 2, wherein: the control system is characterized in that a console (5) is fixedly connected to the upper surface of the bottom plate (1), an operation panel (6) is fixedly connected to the upper surface of the console (5), the operation panel (6) is electrically connected with a control processor, and a corresponding control program is arranged in the control processor.
5. A serial bipolar ejector assembly for a fuel cell as in claim 4 wherein: the control cabinet is characterized in that a jack (4) is fixedly connected to the upper surface of the bottom plate (1) at the front side of the control cabinet (5), the jack (4) is connected with a power supply system through a power transmission line, a wire is arranged in the bottom plate (1), and the jack (4) is connected with the starting end of the wire.
6. A serial bipolar ejector device for use in a fuel cell as in claim 2, wherein: the front side connecting pipe (35) is connected with the ejector body (12) through the flange, the rear side connecting pipe (36) is connected with the ejector body (12) through the flange, the flanges are locked through bolts and nuts, and sealing gaskets are added between the flanges.
7. A serial bipolar ejector assembly for a fuel cell as in claim 1 wherein: the cooling water tank (7) is internally provided with a cooling refrigerating system, the input end of the cooling refrigerating system is connected with the inflow pipe (23), and the output end of the cooling refrigerating system is communicated with the cooling water tank (7).
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| CN202310992480.3A CN116845277B (en) | 2023-08-08 | 2023-08-08 | Series bipolar ejector device applied to fuel cell |
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| CN202310992480.3A CN116845277B (en) | 2023-08-08 | 2023-08-08 | Series bipolar ejector device applied to fuel cell |
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