CN110118115A - A kind of urea pump detection prosthetic device and detection restorative procedure - Google Patents
A kind of urea pump detection prosthetic device and detection restorative procedure Download PDFInfo
- Publication number
- CN110118115A CN110118115A CN201910452116.1A CN201910452116A CN110118115A CN 110118115 A CN110118115 A CN 110118115A CN 201910452116 A CN201910452116 A CN 201910452116A CN 110118115 A CN110118115 A CN 110118115A
- Authority
- CN
- China
- Prior art keywords
- pump
- urea pump
- urea
- reversal valve
- water
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 110
- 239000004202 carbamide Substances 0.000 title claims abstract description 110
- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000004140 cleaning Methods 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 5
- 238000012790 confirmation Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000005213 imbibition Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 210000002700 urine Anatomy 0.000 claims description 2
- 230000008439 repair process Effects 0.000 abstract description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000011045 prefiltration Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- WTHDKMILWLGDKL-UHFFFAOYSA-N urea;hydrate Chemical compound O.NC(N)=O WTHDKMILWLGDKL-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- F01N3/18—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]
-
- 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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
-
- 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
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
-
- 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
- F04B53/10—Valves; Arrangement of valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Details Of Reciprocating Pumps (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses a kind of urea pumps to detect prosthetic device, including controller module, reversal valve, water pump and water tank, the controller module and the reversal valve, the urea pump and water pump electrical connection, the opening and closing of the urea pump and the water pump and the switching of the reversal valve are controlled by controller module, the reversal valve and the water pump are connected with the water tank respectively, the technical solution that the reversal valve and the water pump are connected and connect with the urea pump, the present invention can be used for urea pump detection and repair.
Description
Technical field
The present invention relates to a kind of urea pump detection prosthetic device and detection restorative procedures.
Background technique
Exhaust gas from diesel vehicle (nitrogen oxides) equipment for after-treatment is by diesel exhaust post-treatment solution (32.5% urea water
Solution) atomization sprays into offgas duct, and then under the action of catalyst converter, reacts with nitrogen oxide in tail gas, it generates free of contamination
Nitrogen and H2O.In whole system, urea pump assumes responsibility for extracting exhaust aftertreatment solution from urea box and establishes certain pressure, defeated
Send the function of the urea nozzle to offgas duct.
Due to exhaust aftertreatment solution used by a user is impure etc., impurity causes function shadow to urea pump in solution
It rings, the failure that urea pump can not establish pressure has become a universal problem.At the same time, filter element replacing week in urea pump
Phase also annoyings vast service station and repairs skilled worker.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of urea pump detection prosthetic device and detection restorative procedure, tools
Have and the characteristics of pressure function is detected and repaired and confirm filter element replacing is built to urea pump.
In order to solve the above-mentioned technical problem, The technical solution adopted by the invention is as follows: a kind of urea pump detects prosthetic device,
Including controller module, reversal valve, water pump and water tank, the controller module and the reversal valve, the urea pump and institute
Water pump electrical connection is stated, the opening and closing of the urea pump and the water pump and cutting for the reversal valve are controlled by controller module
Change, the reversal valve and the water pump are connected with the water tank respectively, the reversal valve and the water pump be connected and with it is described
Urea pump connection.
Further, it is preferable that the reversal valve is connect with two-way lateral and total pipeline, passes through the reversal valve
Carry out switching of the total pipeline respectively with the first via lateral and second road lateral.
It is highly preferred that the reversal valve is connect by the total pipeline with the water pump, the total pipeline passes through outlet tube
It is connect with the liquid sucting port of the urea pump.
It is highly preferred that the first via lateral is connected to the cleaning solution inside the water tank, the second tunnel branch
Pipeline is connected to above the cleaning solution inside the water tank.
It is highly preferred that the total pipeline between the outlet tube and the reversal valve is equipped with pressure sensor one.
It is highly preferred that the total pipeline close to the reversal valve is equipped with throttle valve.
Preferably, the water pump is connected to by pipeline with the cleaning solution in the water tank.
A kind of urea pump builds pressure function detecting method, and 1) the first lateral is connected with total pipeline by reversal valve, drive
Dynamic urea pump imbibition；2) monitoring urea pump pressure sensor two is read；3) judge whether the reading is greater than the pressure value of setting
And certain time can be maintained；4) if it is, connecting in second branched pipe road with total pipeline by reversal valve, urea pumping is driven
Air is to empty the pump housing；5) determine urea pump build pressure energy power normally exit build pressure energy power detection；6) if it is not, determining urea
It is abnormal that pump builds pressure energy power, reports an error to exit and builds the detection of pressure energy power, into urea pump reparation.
A kind of urea pump builds pressure restorative procedure, and 1) second branched pipe road is connected with total pipeline by reversal valve, driving water
Cleaning solution is delivered to urea pump by pump；2) driving urea pump operates so that cleaning solution rinses urea pump diaphragm；3) urea pump is read
Pressure sensor two is read；4) judge whether the reading is greater than the pressure value of setting and can maintain certain time；5) if so,
Then water pump shuts down, and driving urea pump depletion gas is to empty the pump housing；6) cleaning is completed, and determines that urea pump is built pressure and repaired
At；7) it if it is not, then determining urea pump repairing failure, exits.
A kind of urea pump filter element replacing confirmation method, 1) second branched pipe road is connected with total pipeline by reversal valve, it drives
Cleaning solution is delivered to urea pump by dynamic water pump；2) driving urea pump operates so that cleaning solution rinses urea pump diaphragm；3) it reads total
Pressure sensor readings one and urea pump pressure sensor two on pipeline are read, and calculate the difference of the two reading；4) judge
Whether the difference is less than the pressure value of setting；5) if it is, water pump shuts down, driving urea pump depletion gas is to drain pump
Body determines no replacement is required filter core；6) if it is not, then urea pump filter core blocks, it is proposed that replacement.
Beneficial effects of the present invention: the control that the present invention is opened and closed water pump and urea pump by controller module, with
And control reversal valve carries out pipeline switching and water pump and water tank is cooperated to realize that detection is synchronously completed with cleaning, so as to avoid urea
The disassembly of pump, cleaning detection time are short, high-efficient.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of urea pump detection prosthetic device of the present invention；
Fig. 2 is the flow chart that a kind of urea pump of the present invention builds pressure function detecting method；
Fig. 3 is the flow chart that a kind of urea pump of the present invention builds pressure restorative procedure；
Fig. 4 is a kind of flow chart of urea pump filter element replacing confirmation method of the present invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Embodiment one:
Shown in Figure 1, present embodiment discloses a kind of urea pumps to detect prosthetic device, including controller module 1, changes
To valve 2, water pump 3 and water tank 4, controller module 1 and reversal valve 2, urea pump 5 and water pump 3 are electrically connected, and pass through controller module
The opening and closing of 1 control urea pump 5 and water pump 3 and the switching of reversal valve 2, reversal valve 2 and water pump 3 are connected with water tank 4 respectively, change
It is connected to valve 2 and water pump 3 and is connect with urea pump 5, water pump 3 is connected to by pipeline 9 with the cleaning solution in water tank 4；
Reversal valve 2 is connect with two-way lateral 61,62 and total pipeline 63, is carried out total pipeline 63 by reversal valve 2 and is divided
Not with the switching of first via lateral 61 and the second road lateral 62, reversal valve 2 connect by total pipeline 63 with water pump 3,
Total pipeline 63 is connect by outlet tube 64 with the liquid sucting port 51 of urea pump 5, the cleaning inside first via lateral 61 and water tank 4
Liquid connection, the second road lateral 62 are connected to above the cleaning solution inside water tank 4 without contacting with cleaning solution；
Total pipeline 63 between outlet tube 64 and reversal valve 2 is equipped with pressure sensor 1, particularly, outlet tube 64
Total pipeline 63 between the interface and reversal valve 2 of total pipeline 63 is equipped with pressure sensor 1, close to the general pipeline of reversal valve 2
Road 63 is equipped with throttle valve 8, and throttle valve 8 is arranged on the total pipeline 63 between pressure sensor 1 and reversal valve 2；
Urea pump 5 include the throttle valve 52 that is sequentially connected in series and return valve 53 and the main filter core 58 being sequentially connected in series, the pump housing 59,
Pre- filter core 511, the throttle valve 52 and return valve 53 being sequentially connected in series pump 54 two connecting pins of formation in parallel with pumping simultaneously, wherein one end
It is connect by first pipe 55 with nozzle, the other end connects the top that solution in urea box 57 is connected to by second pipe 56
It is not contacted with solution, main filter core 58 is connect by third pipeline 512 with first pipe 55, and the third pipeline 512 is equipped with pressure
Force snesor 2 514, pre- filter core 511 is connected in the solution in urea box 57 by the 4th pipeline 513, on the 4th pipeline 513
Offer liquid sucting port 51.
As shown in Fig. 2, a kind of urea pump builds pressure function detecting method, 1) by reversal valve 2 by 61 He of the first lateral
Total pipeline 63 is connected, and 5 imbibition of urea pump is driven；2) monitoring 5 pressure sensor 2 513 of urea pump reads P；3) judge the reading
Whether P is greater than the pressure value P 0 of setting and can maintain certain time, and whether the time t of maintenance is greater than the time t0 of setting；4) such as
Fruit is then to be connected in second branched pipe road 62 with total pipeline 63 by reversal valve 2, and driving urea pump 5 takes out air to drain pump
Body 59, air pass into the pump housing 59 from second branched pipe road 62 and are discharged；5) determine that urea pump is built pressure energy power and normally exited and build pressure
Ability detection；6) it if it is not, to determine that urea pump 5 builds pressure energy power abnormal, reports an error to exit and builds the detection of pressure energy power, into urea pump
5 repair.
As shown in figure 3, a kind of urea pump builds pressure restorative procedure, 1) by reversal valve 2 by second branched pipe road 62 and general pipeline
Road 63 is connected, and drives water pump 3 that the cleaning solution in water tank 4 is delivered to urea pump 5；2) driving the operating of the pump housing 59 of urea pump 5 makes
Obtain the diaphragm that cleaning solution rinses in the pump housing 59 of urea pump 5；3) it reads 5 pressure sensor 2 514 of urea pump and reads P；4) sentence
Whether the reading P that breaks is greater than the pressure value P 0 of setting and can maintain certain time, and whether the time t of maintenance is greater than the time of setting
t0；5) if it is, water pump 3 shuts down, driving urea pump 5 takes out air to empty the pump housing 59, and air is from second branched pipe
Road 62 passes into the discharge of the pump housing 59；6) cleaning is completed, and determines that urea pump 5 is built pressure reparation and completed；7) if it is not, then determining urine
Element 5 repairing failures of pump, are exited.
As shown in figure 4, a kind of urea pump filter element replacing confirmation method, 1) pass through reversal valve 2 for 62 He of second branched pipe road
Total pipeline 63 is connected, and drives water pump 3 that the cleaning solution in water tank 4 is delivered to urea pump 5；2) driving urea pump 5 operates so that clear
Washing lotion rinses the diaphragm in the pump housing 59 of urea pump 5；3) pressure sensor one read on total pipeline 63 reads P1 and urea pump 5
Pressure sensor 2 514 reads P2, calculates the difference P of the two reading；4) judge whether difference P is less than the pressure value of setting
P0；5) if it is, water pump 3 shuts down, driving urea pump 5 takes out air to empty the pump housing 59, and air is from second branched pipe
Road 62 passes into the discharge of the pump housing 59, determines no replacement is required filter core；6) if it is not, then 5 filter core of urea pump blocks, it is proposed that replacement.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (10)
1. a kind of urea pump detects prosthetic device, it is characterised in that: described including controller module, reversal valve, water pump and water tank
Controller module and the reversal valve, the urea pump and water pump electrical connection, control the urine by controller module
Element pump and the opening and closing of the water pump and the switching of the reversal valve, the reversal valve and the water pump respectively with the water tank phase
Even, the reversal valve and the water pump are connected and connect with the urea pump.
2. a kind of urea pump as described in claim 1 detects prosthetic device, which is characterized in that the reversal valve and two-way branch
Pipeline and total pipeline connection, by the reversal valve carry out the total pipeline respectively with the first via lateral and described
The switching of second road lateral.
3. a kind of urea pump as claimed in claim 2 detects prosthetic device, which is characterized in that the reversal valve passes through described total
Pipeline is connect with the water pump, and the total pipeline is connect by outlet tube with the liquid sucting port of the urea pump.
4. a kind of urea pump as claimed in claim 2 detects prosthetic device, which is characterized in that the first via lateral with
Cleaning solution connection inside the water tank, second road lateral are connected to above the cleaning solution inside the water tank.
5. a kind of urea pump as claimed in claim 3 detects prosthetic device, which is characterized in that the outlet tube and the commutation
The total pipeline between valve is equipped with pressure sensor one.
6. a kind of urea pump as claimed in claim 2 detects prosthetic device, which is characterized in that close to the described of the reversal valve
Total pipeline is equipped with throttle valve.
7. a kind of urea pump as described in claim 1 detects prosthetic device, which is characterized in that the water pump passes through pipeline and institute
State the cleaning solution connection in water tank.
8. a kind of urea pump builds pressure function detecting method, which is characterized in that 1) pass through reversal valve for the first lateral and general pipeline
Road is connected, and urea pump imbibition is driven；2) monitoring urea pump pressure sensor two is read；3) judge whether the reading is greater than setting
Pressure value and certain time can be maintained；4) it if it is, being connected in second branched pipe road with total pipeline by reversal valve, drives
Urea pump depletion gas is to empty the pump housing；5) determine urea pump build pressure energy power normally exit build pressure energy power detection；6) if it is not,
It is abnormal to determine that urea pump builds pressure energy power, reports an error to exit and builds the detection of pressure energy power, into urea pump reparation.
9. a kind of urea pump builds pressure restorative procedure, which is characterized in that 1) connect second branched pipe road and total pipeline by reversal valve
It is logical, drive water pump that cleaning solution is delivered to urea pump；2) driving urea pump operates so that cleaning solution rinses urea pump diaphragm；3) it reads
Urea pump pressure sensor two is taken to read；4) judge whether the reading is greater than the pressure value of setting and can maintain certain time；
5) if it is, water pump shuts down, driving urea pump depletion gas is to empty the pump housing；6) cleaning is completed, and determines that urea pump is built
Pressure, which is repaired, to be completed；7) it if it is not, then determining urea pump repairing failure, exits.
10. a kind of urea pump filter element replacing confirmation method, which is characterized in that 1) pass through reversal valve for second branched pipe road and general pipeline
Road is connected, and drives water pump that cleaning solution is delivered to urea pump；2) driving urea pump operates so that cleaning solution rinses urea pump diaphragm；
3) pressure sensor readings one and urea pump pressure sensor two read on total pipeline are read, and calculate the difference of the two reading
Value；4) judge whether the difference is less than the pressure value of setting；5) if it is, water pump shuts down, urea pump depletion gas is driven
To empty the pump housing, the filter core that determines that no replacement is required；6) if it is not, then urea pump filter core blocks, it is proposed that replacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910452116.1A CN110118115B (en) | 2019-05-28 | 2019-05-28 | Detection and repair device and detection and repair method for urea pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910452116.1A CN110118115B (en) | 2019-05-28 | 2019-05-28 | Detection and repair device and detection and repair method for urea pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110118115A true CN110118115A (en) | 2019-08-13 |
| CN110118115B CN110118115B (en) | 2024-04-05 |
Family
ID=67523302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910452116.1A Active CN110118115B (en) | 2019-05-28 | 2019-05-28 | Detection and repair device and detection and repair method for urea pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110118115B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905635A (en) * | 2019-12-05 | 2020-03-24 | 潍柴动力股份有限公司 | Cleaning method and device for urea pump |
| CN112761933A (en) * | 2019-10-21 | 2021-05-07 | 上海起剑软件科技有限公司 | Urea pump function testing system and method |
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| DE102008005989A1 (en) * | 2008-01-24 | 2009-07-30 | Robert Bosch Gmbh | Method for diagnosing a metering valve of an exhaust gas aftertreatment device and device for carrying out the method |
| US20100107748A1 (en) * | 2008-11-03 | 2010-05-06 | Robert Bosch Gmbh | Procedure for checking the funtionality of a pump |
| CN204572417U (en) * | 2015-04-09 | 2015-08-19 | 淄博拓达机械设备有限责任公司 | Urea pump test bench |
| CN205315086U (en) * | 2016-01-13 | 2016-06-15 | 南通恩普环保技术有限公司 | Electromagnetism valveless formula urea pump system |
| CN106050380A (en) * | 2016-06-23 | 2016-10-26 | 俞潮军 | Diagnosis testing device for urea pump and NOx sensor in SCR system |
| CN206903851U (en) * | 2017-06-22 | 2018-01-19 | 北京一雄信息科技有限公司 | A kind of urea pump detecting system |
| CN210033577U (en) * | 2019-05-28 | 2020-02-07 | 苏州卡布斯精工科技有限公司 | Urea pump detects prosthetic devices |
-
2019
- 2019-05-28 CN CN201910452116.1A patent/CN110118115B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008005989A1 (en) * | 2008-01-24 | 2009-07-30 | Robert Bosch Gmbh | Method for diagnosing a metering valve of an exhaust gas aftertreatment device and device for carrying out the method |
| US20100107748A1 (en) * | 2008-11-03 | 2010-05-06 | Robert Bosch Gmbh | Procedure for checking the funtionality of a pump |
| CN204572417U (en) * | 2015-04-09 | 2015-08-19 | 淄博拓达机械设备有限责任公司 | Urea pump test bench |
| CN205315086U (en) * | 2016-01-13 | 2016-06-15 | 南通恩普环保技术有限公司 | Electromagnetism valveless formula urea pump system |
| CN106050380A (en) * | 2016-06-23 | 2016-10-26 | 俞潮军 | Diagnosis testing device for urea pump and NOx sensor in SCR system |
| CN206903851U (en) * | 2017-06-22 | 2018-01-19 | 北京一雄信息科技有限公司 | A kind of urea pump detecting system |
| CN210033577U (en) * | 2019-05-28 | 2020-02-07 | 苏州卡布斯精工科技有限公司 | Urea pump detects prosthetic devices |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761933A (en) * | 2019-10-21 | 2021-05-07 | 上海起剑软件科技有限公司 | Urea pump function testing system and method |
| CN110905635A (en) * | 2019-12-05 | 2020-03-24 | 潍柴动力股份有限公司 | Cleaning method and device for urea pump |
| CN110905635B (en) * | 2019-12-05 | 2021-02-23 | 潍柴动力股份有限公司 | Cleaning method and device for urea pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110118115B (en) | 2024-04-05 |
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