WO2016137217A1 - Structure de bride et module de pompe la comprenant - Google Patents

Structure de bride et module de pompe la comprenant Download PDF

Info

Publication number
WO2016137217A1
WO2016137217A1 PCT/KR2016/001782 KR2016001782W WO2016137217A1 WO 2016137217 A1 WO2016137217 A1 WO 2016137217A1 KR 2016001782 W KR2016001782 W KR 2016001782W WO 2016137217 A1 WO2016137217 A1 WO 2016137217A1
Authority
WO
WIPO (PCT)
Prior art keywords
flange
pump
tank
pcb substrate
groove
Prior art date
Application number
PCT/KR2016/001782
Other languages
English (en)
Korean (ko)
Inventor
황용택
전찬요
조부현
Original Assignee
현담산업 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 현담산업 주식회사 filed Critical 현담산업 주식회사
Publication of WO2016137217A1 publication Critical patent/WO2016137217A1/fr

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2896—Liquid catalyst carrier
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/08—Cooling; Heating; Preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/20—Filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1406—Storage means for substances, e.g. tanks or reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1433—Pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/148—Arrangement of sensors

Definitions

  • the present invention relates to a flange structure and a pump module having the same.
  • exhaust systems of diesel engines include exhaust gas aftertreatment devices such as Selective Catalyst Reduction (SCR), Diesel Oxidation Catalyst (DOC), Catalyst Particulate Filter (CPE), etc. to reduce NOx contained in the exhaust gas. Equipped with.
  • SCR Selective Catalyst Reduction
  • DOC Diesel Oxidation Catalyst
  • CPE Catalyst Particulate Filter
  • the SCR-applied exhaust gas post-treatment apparatus (hereinafter referred to as an 'SCR apparatus') injects a reducing agent such as an aqueous urea solution into the exhaust pipe to reduce nitrogen oxides in the exhaust gas to nitrogen and oxygen. do.
  • a reducing agent such as an aqueous urea solution
  • the reducing agent when the reducing agent is injected into the exhaust pipe, the reducing agent is converted into ammonia (NH 3 ) by the heat of the exhaust gas, and nitrogen oxide is catalyzed by the nitrogen oxide and ammonia in the exhaust gas by the SCR catalyst. It may be reduced to nitrogen gas (N 2 ) and water (H 2 O).
  • a urea solution supply system for supplying the urea solution to the SCR apparatus is required.
  • the urea aqueous solution supply system basically includes a urea tank for storing the urea aqueous solution, and a pump module configured to supply the urea aqueous solution to the SCR device.
  • One embodiment of the present invention to provide a flange structure and a pump module having the same, it is possible to reliably pump a strong basic urea water aqueous solution to the injector, to assemble a pressure sensor, and to place a plurality of parts in a limited space. do.
  • the pump is installed on one side of the tank to install a pump inside the tank to discharge the liquid stored in the tank to the outside of the tank
  • the pump is installed on one side, the other side PCB
  • a flange member including a flange member including a receiving portion in which a substrate is accommodated, and a flange cover coupled to the flange member to seal the PCB substrate, wherein the first discharge pipe of the pump installed on the flange member extends toward the flange cover side, and the tank A flange structure is provided that is connected with a second discharge pipe formed on the other surface side of the flange member on the outside.
  • the receiving portion is a receiving groove in which the PCB substrate and the second discharge pipe is installed; And a first wall portion formed around the receiving groove, wherein the first wall portion may be coupled to the flange cover.
  • the first wall portion is connected to both ends of the first surface and the first surface and the first surface is formed through holes through which one end of the second discharge pipe is inserted to form the receiving groove together with the first surface It may include cotton.
  • the height of the first surface may be higher than the height of the second surface.
  • the height of the first surface is constant, and the height of the second surface may decrease at a predetermined angle as it moves away from the first surface.
  • the second surface may have a round shape.
  • the predetermined angle may be 5 degrees or more and 20 degrees or less.
  • the installation groove may include an installation groove formed to insert the PCB substrate on one surface of the receiving groove and a second wall portion formed around the installation groove.
  • a protrusion protruding toward the flange member may be formed on one side of the PCB substrate, and an insertion groove may be formed to insert the protrusion into one surface of the second wall.
  • it may include a PCB cover coupled to the second wall to cover and seal the PCB substrate.
  • a first groove into which a level sensor is inserted and a second groove into which a concentration sensor is inserted may be formed on one surface of the installation groove, and the PCB substrate may be installed on an upper side of the level sensor and the concentration sensor.
  • the flange cover may be coupled to the first wall portion, and a sealant may be applied to an end of at least one of the flange cover and the first wall portion.
  • the mounting hole is formed on one surface of the flange cover, and may include a ventilation member inserted into and fixed to the mounting hole.
  • a pump installed inside the tank for discharging the liquid stored in the storage tank to the outside of the tank, a heater positioned to surround the outer surface of the pump, the heater and the flange structure described above
  • a pump module includes a coupling member coupled to the outside of the pump for coupling and a filter coupled to the flange structure to surround the pump, the coupling member and the heater and for filtering the liquid supplied to the pump.
  • the flange structure according to an embodiment of the present invention includes a PCB substrate to enable the electricity to pass through without the use of wires.
  • the flange structure according to the embodiment of the present invention may be stably fixed by sealing the PCB substrate without being exposed to the outside in a state accommodated in the receiving portion of the flange member.
  • the flange structure according to the embodiment of the present invention may include a first wall portion and a second wall portion to seal the PCB substrate, the level sensor, and the concentration sensor from the urea solution.
  • the flange structure may include a flange cover to electrically insulate the PCB substrate from the outside and completely isolate it from the external environment such as temperature and humidity to keep moisture and foreign matter from entering.
  • the flange structure according to an embodiment of the present invention can prevent the interference occurs when mounting the pressure sensor by adjusting the height of the first surface and the second surface.
  • the pump module according to an embodiment of the present invention can stably pump the strong basic urea water solution into the injector.
  • the flange structure and the pump module having the same includes a flange mounted to the bottom of the tank, so that the installation of the components of the pump module is simple.
  • FIG. 1 is a perspective view showing that a pump module equipped with a flange structure according to an embodiment of the present invention is installed inside a tank.
  • FIG. 2 is a perspective view showing a pump module equipped with a flange structure according to an embodiment of the present invention.
  • FIG. 3 is a cross sectional view taken along the line A-A of FIG. 2, with arrows indicating the flow of liquid.
  • Figure 4 is a perspective view showing that the heater and the pump is installed in the flange structure according to an embodiment of the present invention.
  • Figure 5 is a cross-sectional view of the flange member of the flange structure according to an embodiment of the present invention, the arrow represents the flow of liquid.
  • FIG. 6 is a perspective view showing a flange structure according to an embodiment of the present invention.
  • FIG. 7 is a perspective view showing that the PCB substrate and the PCB cover is mounted on the flange member of the flange structure according to an embodiment of the present invention.
  • FIG. 1 is a perspective view showing that a pump module equipped with a flange structure according to an embodiment of the present invention is installed inside a tank.
  • 2 is a perspective view showing a pump module equipped with a flange structure according to an embodiment of the present invention.
  • 3 is a cross-sectional view of A-A of FIG. 2 and arrows indicate the flow of liquid.
  • the pump module 3 to which the flange structure 1 is mounted includes a pump 9, a heater 19, a coupling member 13, and a filter 15. ) May be included.
  • the pump module 3 may be installed inside the tank 7 in which the liquid is stored, and stably pump the liquid to an injector (not shown) installed outside the tank.
  • the pump module 3 includes a flange structure 1 which performs the temperature, level, filter function of the liquid stored in the tank 7 and is mounted at the bottom of the tank, thereby simplifying the installation of the components of the pump module.
  • the liquid stored in the storage tank 7 may be an aqueous urea solution 5 used as a reducing agent.
  • the aqueous urea solution (5) is colorless, odorless, non-toxic, non-flammable, strongly basic (PH10 or more) and mixed in water at a 32.5% ratio.
  • the pump module 3 may be installed inside the tank 7 in which the urea water solution 5 is stored, and stably pump the strong basic urea water solution into an injector (not shown) installed outside the tank.
  • the pump 9 is installed inside the tank 7 and pumps the urea water solution 5 stored in the tank 7 to the outside of the tank.
  • the pump 9 may have a suction pipe 12 and a first discharge pipe 11 adjacent to the lower side of the pump. Accordingly, the urea water solution 5 is sucked into the pump through the suction pipe 12 formed on the lower side of the pump and discharged to the outside of the pump through the first discharge pipe 11.
  • the suction pipe 12 and the first discharge pipe 11 of the pump 9 are installed adjacent to each other so that the aqueous urea solution 5 sucked through the suction pipe 12 does not pass through a motor (not shown) located inside the pump. It is discharged through the first discharge pipe 11 can protect the motor.
  • a plurality of first inlets 21 are formed on the lower side of the heater 19, and the plurality of first inlets are connected to the suction pipe 12 of the pump 9.
  • the heater 19 is positioned to surround the outer surface of the pump (9).
  • the freezing point of the strongly basic aqueous urea water solution 5 is -11.5 degrees Celsius, and the volume at the freezing point expands 11%.
  • the heater 19 may transfer heat to the pump 9 to prevent the urea water solution 5 from freezing.
  • a coupling member 13 is provided for coupling the heater 19 and the pump 9.
  • the coupling member 13 may be coupled to the outside of the pump 9 to couple the heater 19 to the flange structure 1, thereby fixing the heater inside the tank 7.
  • the filter 15 may be formed to surround the pump 9, the coupling member 13, and the heater 19.
  • the filter 15 may be coupled to the flange structure 1, and a plurality of filter media 17 may be disposed on the outer surface of the filter.
  • the filter 15 filters the urea water solution 5 stored in the tank 7 through the filter medium 17 and supplies it to the pump 9.
  • Figure 4 is a perspective view showing that the heater and the pump is installed in the flange structure according to an embodiment of the present invention.
  • 5 is a perspective view showing a flange structure according to an embodiment of the present invention.
  • the flange structure 1 may include the flange member 30, the PCB substrate 63, and the flange cover 80.
  • the flange structure 1 may include the flange member 30 to install the pump 9 and the heater 19 inside the tank 7.
  • the flange member 30 is installed on one side of the tank 7 and the lower side of the tank as shown in FIG. 2 to close a hole (not shown) formed in the bottom of the tank. Can be.
  • the pump 9, the heater 19, the filter 15, and the coupling member 13 may be installed on one surface of the flange member 30, for example, on an upper surface thereof, and then inside the tank 7. Can be fixed.
  • the other surface of the flange member 30, for example, a lower surface may include an accommodation part 45 in which the PCB substrate 63 is accommodated.
  • the lower surface of the flange member 30 is exposed to the outside of the tank 7 can discharge the urea water solution 5 to the outside of the tank.
  • the flange member 30 may be a circular plate having a circular cross section, and may further include a first wall portion 49 protruding downward of the disc.
  • the flange member 30 may be a resin injection molded product produced by injection molding of resin.
  • the flange member 30 has a first mounting groove 31 and a second mounting groove 33 formed on an upper surface thereof, and a connection pipe 35 is provided on the second mounting groove. Can be.
  • the flange member 30 may be provided with a second discharge pipe 37 connected to the connecting pipe 35 on the lower side.
  • the second mounting groove 33 of the flange member 30 may be formed on one surface of the flange member, for example, as shown in FIG. 4.
  • At least a portion of the first discharge pipe 11 formed on the lower surface of the pump 9 may be accommodated in the second mounting groove 33.
  • one end of the heater 19, for example, a lower end of the heater, may be accommodated together with at least a portion of the first discharge pipe 11 in the second mounting groove 33. Therefore, at least a part of the first discharge pipe 11 may be heated by the heater 19.
  • the heater 19 may include a heating member 25 for generating heat on one side and a plug 23 for supplying electrical energy to the heating member.
  • an outlet may be formed in the first mounting groove 31 of the flange member 30.
  • the second discharge pipe 37 is a passage for discharging the urea water solution 5 to the outside of the flange member 30.
  • the heater 19 may be formed such that one end thereof may heat a part of the second discharge pipe 37.
  • the second discharge pipe 37 may be formed at the lower side of the flange member 30, for example, as shown in FIG. 5. Can be.
  • the second inlet 37a of the second discharge pipe 37 is connected to the connecting pipe 35, the outlet of the second discharge pipe 37 is formed extending in the horizontal direction as shown in FIG. As can be seen, it can penetrate through the first face 51 of the first wall portion 49, which is the side of the flange member 30, and can be exposed to the outside of the flange member.
  • the flange member 30 has a first discharge pipe 11 and a second discharge pipe 37 on the inner surface of the second mounting groove 33 as shown in FIGS. 3 and 4.
  • Connecting pipe 35 may be formed to connect to each other.
  • connection pipe 35 may protrude from the inner surface of the second mounting groove 33 toward the heater 19.
  • the discharge pipe 39 may be installed in the vertical direction in the connection pipe 35.
  • the discharge pipe 39 may be formed in a straight shape and may be coupled to the first discharge pipe 11 of the pump 9.
  • the first sealing member 41 may be formed on the outer circumferential surface of the discharge tube 39 to seal between the discharge tube 39 and the connection tube 35.
  • a pressure sensor 43 may be mounted at one end of the second discharge pipe 37, for example, the second inlet 37a.
  • the pressure sensor 43 compares the actual measured pressure with the target pressure to perform real-time feedback control of the pressure of the aqueous urea solution 5.
  • the first discharge pipe 11, the second discharge pipe 37, the connection pipe 35, and the discharge pipe 39 have a circular cross-section so that the urea water solution 5 may flow. It may be, but is not limited thereto.
  • the lower surface of the flange member 30 may include an accommodation part 45 in which the PCB substrate 63 is accommodated.
  • the flange structure 1 according to an embodiment of the present invention includes a PCB substrate 63 to allow for electrical communication without using wires.
  • the receiving portion 45 may include a receiving groove 47 and the first wall portion (49).
  • the PCB 47 and the second discharge pipe 37 may be installed in the accommodation groove 47 of the flange member 30.
  • the flange structure 1 according to the exemplary embodiment of the present invention may be stably fixed by sealing the PCB substrate 63 without external exposure in a state accommodated in the accommodation portion 45 of the flange member 30.
  • the receiving groove 47 may be a semi-circular shape, but is not limited thereto.
  • the PCB substrate 63, the level sensor 67, the concentration sensor 69, and the second discharge pipe may be provided. If 37 can be installed, it can be made in any shape.
  • the receiving groove 47 may be formed by recessing the flange member 30 in the inward direction, as shown in Figure 6 has a height at the edge of the flange member 30
  • the first wall 49 may be formed to form the receiving groove 47.
  • the first wall portion 49 may be formed to protrude around the receiving groove (47).
  • the first wall 49 may be coupled to the flange cover 80 to seal the PCB substrate 63, the level sensor 67, and the concentration sensor installed in the receiving groove 47 from the urea water solution 5. have.
  • the first wall portion 49 may include a first surface 51 and a second surface 53.
  • a part of the second discharge pipe 37 may be inserted into the first surface 51 to form a through hole (not shown).
  • the outlet 37b of the second discharge pipe 37 may be inserted into the through hole and exposed to the outside of the flange member 30. Through this, the aqueous urea solution 5 stored in the tank 7 may be discharged to the outside of the tank.
  • the first surface 51 may have a plate shape having a rectangular cross section.
  • the second surface 53 may connect both ends of the first surface 51 to form an accommodation groove 47 together with the first surface 51. That is, the first surface 51 and the second surface 53 may be a closed curved surface to form the receiving groove 47 therein.
  • the second surface 53 may have a round shape connected to the first surface 51.
  • the receiving groove 47 may be a semi-circular shape consisting of the first surface 51 and the second surface 53, but may be formed in any shape as long as it forms a closed curved surface to be sealed.
  • the height of the first wall portion 49 may not be uniform. That is, the height of the first surface 51 may be higher than the height of the second surface 53.
  • the height of the first surface 51 is constant and the height of the second surface 53 may decrease at a predetermined angle ⁇ as the distance from the first surface.
  • the predetermined angle ⁇ may be 5 degrees or more and 20 degrees or less.
  • the height of the second surface 53 adjacent to the second inlet 37a is lowered to facilitate mounting of the pressure sensor.
  • an installation groove 55 may be formed on one surface of the accommodation groove 47 so that the PCB substrate 63 is inserted into the bottom surface of the accommodation groove. .
  • the flange structure 1 may electrically insulate the PCB substrate 63 from the outside and completely isolate the external environment such as temperature and humidity to keep moisture and foreign matter from invading. have.
  • the second wall portion 57 may be formed to protrude around the installation groove (55). At this time, the second wall portion 57 is coupled to the PCB cover 65 and the PCB substrate 63, the level sensor 67 and the concentration sensor 69 installed in the installation groove 55 from the urea water solution 5. It can be sealed.
  • the fixing member 59 may include a fixing member 59 formed with a protrusion 59a so that the PCB substrate 63 and the second wall portion 57 may be coupled to each other.
  • the PCB substrate 63 may be coupled to the protrusion 59 having at least one end protruding outward on one side thereof.
  • the flange structure 1 may be fixed to the PCB substrate 63 by being coupled to the second wall portion 57.
  • the fixing member 59 may include a quadrangular body having a rectangular cross section, and may include a protrusion 59a on which both ends of the quadrangular body protrude.
  • an insertion groove 61 may be formed on one surface of the second wall 57 so that the protrusion 59a may be inserted.
  • the insertion groove 61 may be formed in a shape corresponding to the protrusion (59a). In addition, the insertion groove 61 may be formed to be recessed in the horizontal direction of the second wall portion 57.
  • a screw groove may be formed at an edge of the PCB board to be coupled to the second wall part 57 so that the PCB board 63 may be coupled to the bolt 87.
  • the flange structure 1 according to an embodiment of the present invention may be fixed by coupling the PCB substrate 63 to the second wall portion 57 through the protrusion 59a and the bolt 87.
  • the first groove 71 into which the level sensor 67 is inserted and the second groove into which the concentration sensor 69 is inserted into one surface of the installation groove 55 ( 73) can be formed.
  • the level sensor 67 may be an ultrasonic level sensor.
  • the ultrasonic level sensor measures the water level in such a manner as to calculate the distance from the object by measuring and converting the time when the ultrasonic wave is reflected on the object and returning the ultrasonic wave.
  • the concentration sensor 69 may detect the concentration of the aqueous urea solution (5).
  • the level sensor 67 may be installed vertically, and the concentration sensor 69 may be installed horizontally. Accordingly, the first groove 71 may have a longer length than the horizontal length, and the second groove 73 may have a longer length than the vertical length.
  • a PCB substrate 63 may be installed on the upper side of the level sensor 67 and the concentration sensor 69.
  • the flange structure 1 may seal the level sensor 67 and the concentration sensor 69 by sealing the PCB substrate 63, thereby reducing manufacturing costs and simplifying the process. Can be.
  • the PCB cover 65 may be combined with the second wall 57 to cover and seal the PCB substrate 63.
  • the PCB cover 65 may be coupled to the second wall 57 by laser welding or the like on the edge.
  • the PCB substrate 63, the level sensor 67, and the concentration sensor 69 are inserted into the installation groove 55, the first groove 71, and the second groove 73. It can be integrally mounted to the flange member 30 by sealing through the cover 65.
  • the PCB cover 65 is the same as the shape of the PCB substrate 63, but may have any shape as long as it has a width that can cover the PCB substrate.
  • the flange structure 1 may include a flange cover 80.
  • the flange cover 80 may be coupled to the flange member 30 to seal the PCB substrate 63, the level sensor 67, and the concentration sensor 69 coupled to the receiving portion 45 of the flange member 30. .
  • the flange cover 80 may be combined with the first wall 49.
  • a sealant (not shown) may be applied to an end portion of at least one of the flange cover 80 and the first wall portion 49.
  • the flange cover 80 may be formed to correspond to the first surface 51 and the second surface 53 of the first wall 49. One end of the flange cover 80 engaging with the first surface 51 may be lower than the height of the other end of the flange cover engaging with the second surface 53.
  • one end of the flange cover 80 coupled with the first surface 51 may have a plate shape having a rectangular cross section like the shape of the first surface 51.
  • the other end of the flange cover 80 coupled with the second surface 53 may be rounded like the shape of the second surface 53.
  • the height of the flange cover 80 may also be formed to correspond to the first surface 51 and the second surface 53. That is, the height of the flange cover 80 coupled with the first wall portion 49 on the lower surface of the flange member 30 may be the same.
  • the flange cover 80 may be coupled to the first surface 51 and the second surface 53 to seal the receiving groove 47 formed in the flange member 30. Accordingly, the flange cover 80 may have a semicircular shape capable of sealing the first surface 51 and the second surface 53.
  • a mounting hole 81 may be formed on one surface, for example, an upper surface of the flange cover 80, through which the ventilation member 83 may be inserted and fixed.
  • the mounting hole may have a circular cross section and may have a different inner radius and an outer radius, but may have any shape depending on the ventilation member 83 to be installed.
  • Ventilation member 83 of the flange structure 1 may be used, such as AVS 200 products of GORE's "Polyvent compact series". Since the ventilation member 83 is a general matter, it will be omitted below.
  • the ventilation member 83 may be inserted into the mounting hole 81 and coupled to the flange cover 80.
  • a second sealing member 85 may be formed on the outer circumferential surface of the ventilation member 83 to be sealed with the mounting hole 81.
  • the first sealing member 41 and the second sealing member 85 may seal the urea water solution 5 so as not to penetrate the flange structure 1 and the pump module 3 including the same. Can be.
  • first sealing member 41 and the second sealing member 85 may be pressed at a set compression ratio and have a set thickness, for example, may be manufactured in the form of an O-ring made of a fluorine sealing cone.
  • the flange structure according to an embodiment of the present invention includes a PCB substrate to enable the electricity to pass through without the use of wires.
  • the flange structure according to the embodiment of the present invention may be stably fixed by sealing the PCB substrate without being exposed to the outside in a state accommodated in the receiving portion of the flange member.
  • the flange structure according to the embodiment of the present invention may include a first wall portion and a second wall portion to seal the PCB substrate, the level sensor, and the concentration sensor from the urea solution.
  • the flange structure may include a flange cover to electrically insulate the PCB substrate from the outside and completely isolate it from the external environment such as temperature and humidity to keep moisture and foreign matter from entering.
  • the flange structure according to an embodiment of the present invention can prevent the interference occurs when mounting the pressure sensor by adjusting the height of the first surface and the second surface.
  • the pump module according to an embodiment of the present invention can stably pump the strong basic urea water solution into the injector.
  • the flange structure and the pump module having the same includes a flange mounted to the bottom of the tank, so that the installation of the components of the pump module is simple.
  • the flange structure according to an embodiment of the present invention includes a PCB substrate to enable the electricity to pass through without the use of wires.
  • the flange structure according to the embodiment of the present invention may be stably fixed by sealing the PCB substrate without being exposed to the outside in a state accommodated in the receiving portion of the flange member.
  • the flange structure according to the embodiment of the present invention may include a first wall portion and a second wall portion to seal the PCB substrate, the level sensor, and the concentration sensor from the urea solution.
  • the flange structure may include a flange cover to electrically insulate the PCB substrate from the outside and completely isolate it from the external environment such as temperature and humidity to keep moisture and foreign matter from entering.
  • the flange structure according to an embodiment of the present invention can prevent the interference occurs when mounting the pressure sensor by adjusting the height of the first surface and the second surface.
  • the pump module according to an embodiment of the present invention can stably pump the strong basic urea water solution into the injector.
  • the flange structure and the pump module having the same includes a flange mounted to the bottom of the tank, so that the installation of the components of the pump module is simple.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

L'invention concerne une structure de bride. La structure de bride comprend : un élément bride, qui est installé sur un côté de l'intérieur d'un réservoir de façon à installer une pompe dans le réservoir pour évacuer un liquide stocké dans le réservoir vers l'extérieur du réservoir, la pompe étant installée sur une côté de l'élément bride, et qui comprend une partie de logement, dans laquelle une carte de circuit imprimé est logée, sur l'autre côté de celui-ci ; et un couvercle de bride couplé à l'élément bride de façon à sceller la carte de circuit imprimé, un premier tube d'évacuation de la pompe installée sur l'élément bride s'étendant vers le couvercle de bride et étant relié à un second tube d'évacuation formé sur l'autre côté de l'élément bride à l'extérieur du réservoir.
PCT/KR2016/001782 2015-02-26 2016-02-24 Structure de bride et module de pompe la comprenant WO2016137217A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2015-0027568 2015-02-26
KR1020150027568A KR101599666B1 (ko) 2015-02-26 2015-02-26 플랜지 구조체 및 이를 구비한 펌프 모듈

Publications (1)

Publication Number Publication Date
WO2016137217A1 true WO2016137217A1 (fr) 2016-09-01

Family

ID=55541741

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2016/001782 WO2016137217A1 (fr) 2015-02-26 2016-02-24 Structure de bride et module de pompe la comprenant

Country Status (2)

Country Link
KR (1) KR101599666B1 (fr)
WO (1) WO2016137217A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3456935A1 (fr) * 2017-09-15 2019-03-20 MEAS France Ensemble comprenant un boîtier

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170138141A (ko) * 2016-06-07 2017-12-15 현대자동차주식회사 Ffv 차량용 연료 센서
KR101880551B1 (ko) * 2017-01-13 2018-07-23 주식회사 동희산업 펌프 프로텍터가 결합된 자동차용 요소수 탱크

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010174895A (ja) * 2010-03-24 2010-08-12 Mitsuba Corp 燃料供給装置
KR20120135916A (ko) * 2010-04-09 2012-12-17 에미텍 게젤샤프트 퓌어 에미시온스테크놀로기 엠베하 액상의 환원제를 제공하기 위한 장치
JP2013015140A (ja) * 2011-06-29 2013-01-24 Ti Group Automotive Systems Llc 選択的触媒削減流体の分配および循環システム
KR20130048422A (ko) * 2011-11-02 2013-05-10 현대자동차주식회사 요소수 펌프 구조
KR20130066834A (ko) * 2011-12-13 2013-06-21 주식회사 화영 요소수센더

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010174895A (ja) * 2010-03-24 2010-08-12 Mitsuba Corp 燃料供給装置
KR20120135916A (ko) * 2010-04-09 2012-12-17 에미텍 게젤샤프트 퓌어 에미시온스테크놀로기 엠베하 액상의 환원제를 제공하기 위한 장치
JP2013015140A (ja) * 2011-06-29 2013-01-24 Ti Group Automotive Systems Llc 選択的触媒削減流体の分配および循環システム
KR20130048422A (ko) * 2011-11-02 2013-05-10 현대자동차주식회사 요소수 펌프 구조
KR20130066834A (ko) * 2011-12-13 2013-06-21 주식회사 화영 요소수센더

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3456935A1 (fr) * 2017-09-15 2019-03-20 MEAS France Ensemble comprenant un boîtier

Also Published As

Publication number Publication date
KR101599666B1 (ko) 2016-03-14

Similar Documents

Publication Publication Date Title
WO2016137215A1 (fr) Structure de chauffage, son procédé de production, et module de pompe la comprenant
WO2016137216A1 (fr) Couvercle de pompe, module de pompe muni de celui-ci et structure de couplage pour pompe
WO2016137217A1 (fr) Structure de bride et module de pompe la comprenant
KR101724478B1 (ko) 펌프 모듈
WO2014208841A1 (fr) Système de pyrolyse de réducteur pour appareil de réduction catalytique sélectif
US8127538B2 (en) Liquid injector assembly with a flanged connector connection
US9435243B2 (en) Metering module featuring air gap insulation
KR101490931B1 (ko) 요소수 펌핑모듈
KR101521741B1 (ko) 요소-수용액용 인젝터
WO2020242013A1 (fr) Appareil de traitement de gaz d'échappement de centrale thermique
WO2017052071A1 (fr) Refroidisseur d'egr pour véhicule
US20170326975A1 (en) Assembly for mounting at least one component in a tank of a motor vehicle
WO2012023744A2 (fr) Structure d'adaptation destinée à monter un capteur de pression de suralimentation sur un moteur électronique à turbocompresseur
KR20160106387A (ko) 펌프용 필터 구조체, 그 제작 방법 및 이를 구비한 펌프 모듈
CN216507940U (zh) 一种充电枪冷却系统及充电枪
WO2016089036A1 (fr) Système de réduction catalytique sélective et procédé pour contrôler la température d'un module d'injection d'agent réducteur
WO2018230826A1 (fr) Appareil de refroidissement des gaz d'échappement
WO2012099313A1 (fr) Appareil de réduction des gaz d'échappement dans un moteur diesel
WO2016108616A1 (fr) Système de réduction catalytique sélective et appareil mécanisé comprenant celui-ci
CN114103687A (zh) 一种充电枪冷却系统及充电枪
KR101604209B1 (ko) 펌프용 커버 및 이를 구비한 펌프 모듈
WO2017018632A1 (fr) Module d'émetteur de type dispositif de chauffage électrique
CN108138627B (zh) 流体供应模块
WO2015053432A1 (fr) Système de réduction catalytique sélective
CN112788922A (zh) 一种端子带有冷却系统的充电座及汽车

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16755867

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16755867

Country of ref document: EP

Kind code of ref document: A1