CN106593587A - Integrated injection molding type urea liquid level sensor - Google Patents
Integrated injection molding type urea liquid level sensor Download PDFInfo
- Publication number
- CN106593587A CN106593587A CN201611118611.1A CN201611118611A CN106593587A CN 106593587 A CN106593587 A CN 106593587A CN 201611118611 A CN201611118611 A CN 201611118611A CN 106593587 A CN106593587 A CN 106593587A
- Authority
- CN
- China
- Prior art keywords
- liquid level
- level sensor
- urea
- fixed seat
- fixing base
- 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.)
- Pending
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 239000004202 carbamide Substances 0.000 title claims abstract description 61
- 239000007788 liquid Substances 0.000 title claims abstract description 43
- 238000001746 injection moulding Methods 0.000 title claims abstract description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 17
- 239000010935 stainless steel Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 12
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000002991 molded plastic Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 210000002700 urine Anatomy 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/148—Arrangement of sensors
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
- F01N2900/1806—Properties of reducing agent or dosing system
- F01N2900/1814—Tank level
Abstract
The invention discloses an integrated injection molding type urea liquid level sensor and relates to the technical field of urea liquid level measuring devices. A fixing base of the integrated injection molding type urea liquid level sensor is provided with a fixing base sealing ring; a metal buckle is arranged at the bottom of the fixing base; a protection plate is installed below the metal buckle; a liquid level sensor is installed on the fixing base; overall injection molding integrated forming is adopted for a stainless steel pipe fitting of the liquid level sensor; a whole pipeline and a connection head are of an integrated structure; the liquid level sensor is provided with a floating ball; a pipe fixing base is arranged below the liquid level sensor; a filter fixing base is installed below the pipe fixing base and is fixedly provided with a filter which is connected to the bottom end of a urea suction pipe; the urea suction pipe is connected with a urea suction port; the urea suction port and a urea adding port are formed above the fixing base; a heater pipe is arranged below the fixing base; a cable protection cover is arranged above the fixing base; and a cable is connected with a connector. The integrated injection molding type urea liquid level sensor has the beneficial effects that the reliability of the urea liquid level sensor can be improved, the potential safety hazard of leakage is eradicated, and the assembling work hours are shortened.
Description
Technical field
The present invention relates to the measurement apparatus technical field of urea level, and in particular to integrated injection molding type urea level is sensed
Device.
Background technology
Urea liquid level sensor is to apply the urea level measurement apparatus in the SCR system in diesel trucks, is arranged on
In urea tank, the stainless steel tube insertion urea liquid of lower end, wherein the channel interior for bending is the coolant of automobile, for urine
Plain solution heating, prevents icing of urea solution in the case of low temperature, and the channel interior with ball float has reed switch circuit, senses float
Diverse location, measurement output urea level signal, be terminated with screen pack before also individual thin pipe, it is molten for extracted urea
Liquid, for the catalysis reduction treatment of vehicle exhaust.
It, using the urea tube plastic cover that injection formed is inserted after stainless steel pipe bending, is by one that domestic existing technology is
A little sealing rings realize sealing with the inner hole of plastic parts, and end cap upper outlet is that other workpiece is installed, and are also to adopt
Seal is sealed, and the lower end of end cap and right-hand member are respectively adopted seal sealing and realize the right-hand member that pressure piping is converted to 90 degree
Mouthful, each pipeline needs to seal twice, and one has 4 pipes needs insertion end cap simultaneously, and installation difficulty is easily caused and let out
Dew, once revealing, coolant can mix with urea liquid, cause serious urea liquid to pollute, and cause whole SCR system to fail.
The content of the invention
Present invention aims to the defect and deficiency of prior art, there is provided a kind of simple structure, it is reasonable in design, make
With convenient integrated injection molding type urea liquid level sensor, it can improve the leakage problem of urea liquid level sensor, from structural principle
On prevent urea liquid level sensor seal because installing and using the leakage problem for causing such as aging, improving life of product and reliability
Property, the costs such as the after-sales service of producer being reduced, can be widely used on various types of urea liquid level sensors.
In order to solve the problems of background technology, the technical solution used in the present invention is：It includes fixed seat, metal
Buckle, backplate, ball float, pipe fixed seat, filter, heater tube, fixed seat sealing ring, suction urea mouth, liquid level sensor, connection
Device, suction urea tube, filter fixed seat, addition urea mouth, cable protecting cover；The fixed seat is provided with fixed seat sealing ring, Gu
Reservation bottom is provided with metal buckle, and metal buckle lower section is provided with backplate, liquid level sensor, level sensing are provided with fixed seat
The stainless steel pipe of device is integrally formed using integral molded plastic, and whole pipeline is structure as a whole with joint, and liquid level sensor is provided with
Ball float, liquid level sensor lower section is provided with pipe fixed seat, and pipe fixed seat lower section is provided with filter fixed seat, in filter fixed seat
Filter is installed with, filter is connected on the bottom for inhaling urea tube, inhales urea tube top and be connected with urea mouth is inhaled, inhale urea mouth
Fixed seat top is located at addition urea mouth, fixed seat lower section is also equipped with heater tube, and fixed seat top is provided with cable protecting cover,
Cable is provided with cable protecting cover, cable is connected with connector.
Further, the stainless steel pipe is using seamless steel pipe or welded pipe or can make any technique that pipe fitting is integrated
Made by pipe fitting.
After said structure, the present invention has the beneficial effect that：It can thoroughly solve letting out for urea liquid level sensor pipeline
Dew problem, by stainless steel pipe brake forming, then integrated injection molding, it is to avoid with two end connectors and associated seal, reduce install,
The links such as sealing, thoroughly prevent because the bad caused leakage problem of sealing part.
Description of the drawings
Fig. 1 is the positive structure schematic of the present invention；
Fig. 2 is the side structure schematic diagram of the present invention；
Fig. 3 is the top view of the present invention；
Fig. 4 is the structural representation of the stainless steel pipe of the liquid level sensor of the present invention.
Description of reference numerals：Fixed seat 1, metal buckle 2, backplate 3, ball float 4, pipe fixed seat 5, filter 6, heater tube
7th, fixed seat sealing ring 8, inhale urea mouth 9, liquid level sensor 10, connector 11, inhale urea tube 12, filter fixed seat 13, add
Plus urea mouth 14, cable protecting cover 15.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is further illustrated.
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing and it is embodied as
Mode, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only to explain this
Invention, is not intended to limit the present invention.
As Figure 1-Figure 4, this specific embodiment is adopted the following technical scheme that：It include fixed seat 1, metal buckle 2,
Backplate 3, ball float 4, pipe fixed seat 5, filter 6, heater tube 7, fixed seat sealing ring 8, inhale urea mouth 9, liquid level sensor 10,
Connector 11, suction urea tube 12, filter fixed seat 13, addition urea mouth 14, cable protecting cover 15；The fixed seat 1 is provided with
Fixed seat sealing ring 8, the bottom of fixed seat 1 is provided with metal buckle 2, and the lower section of metal buckle 2 is provided with backplate 3, installs in fixed seat 1
The stainless steel pipe for having liquid level sensor 10, liquid level sensor 10 is integrally formed using integral molded plastic, and whole pipeline is with joint
Integrative-structure, liquid level sensor 10 is provided with ball float 4, and the lower section of liquid level sensor 10 is provided with pipe fixed seat 5, the lower section of pipe fixed seat 5
Filter fixed seat 13 is installed, filter 6 is installed with filter fixed seat 13, filter 6 is connected on suction urea tube 12
Bottom, inhale the top of urea tube 12 and be connected with urea mouth 9 is inhaled, inhale urea mouth 9 and add urea mouth 14 and be located above fixed seat 1,
The lower section of fixed seat 1 is also equipped with heater tube 7, and the top of fixed seat 1 is provided with cable protecting cover 15, cable protecting cover 15 and is provided with cable
Line, cable is connected with connector 11.
Further, the stainless steel pipe is using seamless steel pipe or welded pipe or can make any technique that pipe fitting is integrated
Made by pipe fitting.
This specific embodiment solves the leakage problem of urea liquid level sensor pipeline using stainless steel pipe integral molded plastic,
During integral molded plastic stainless steel pipe is bent first, be directly made of one with 90 degree of outlets, it is then overall to be put into injection mold
Middle injection, the mould of injection needs to spill at two of stainless steel pipe, and injection machine needs to change, it is ensured that long steel pipe can be put
Enter, complete the process of matched moulds and injection.
This specific embodiment can improve the reliability of urea liquid level sensor, prevent the hidden danger revealed, and reduce assembling
Man-hour.
The above, only to illustrate technical scheme and unrestricted, those of ordinary skill in the art are to this
Other modifications or equivalent that bright technical scheme is made, without departing from the spirit and scope of technical solution of the present invention,
All should cover in the middle of scope of the presently claimed invention.
Claims (3)
1. integrated injection molding type urea liquid level sensor, it is characterised in that fix including fixed seat, metal buckle, backplate, ball float, pipe
Seat, filter, heater tube, fixed seat sealing ring, suction urea mouth, liquid level sensor, connector, suction urea tube, filter are solid
Reservation, addition urea mouth, cable protecting cover；The fixed seat is provided with fixed seat sealing ring, and fixed seat bottom is provided with metal buckle,
Metal buckle lower section is provided with backplate, and liquid level sensor is provided with fixed seat, and the stainless steel pipe of liquid level sensor is using whole
Body injection moulding integrated molding, whole pipeline is structure as a whole with joint, and liquid level sensor is provided with ball float, and liquid level sensor lower section sets
There is pipe fixed seat, pipe fixed seat lower section is provided with filter fixed seat, filter is installed with filter fixed seat, filters
Device is connected on the bottom for inhaling urea tube, inhales urea tube top and is connected with urea mouth is inhaled, and inhales urea mouth and addition urea mouth is located at fixation
Seat top, fixed seat lower section is also equipped with heater tube, and fixed seat top is provided with cable protecting cover, in cable protecting cover cable is provided with
Line, cable is connected with connector.
2. integrated injection molding type urea liquid level sensor according to claim 1, it is characterised in that the stainless steel pipe is adopted
With seamless steel pipe or welded pipe.
3. integrated injection molding type urea liquid level sensor according to claim 1, it is characterised in that the liquid level sensor
Stainless steel pipe is integrally formed using integral molded plastic, first bends stainless steel pipe during integral molded plastic, is directly gone out with 90 degree
Mouth is made of one, and then overall being put in injection mold is molded, and the mould of injection needs to spill at two of stainless steel pipe, notes
Molding machine needs to change, it is ensured that long steel pipe can be put into, and complete the process of matched moulds and injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611118611.1A CN106593587A (en) | 2016-12-07 | 2016-12-07 | Integrated injection molding type urea liquid level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611118611.1A CN106593587A (en) | 2016-12-07 | 2016-12-07 | Integrated injection molding type urea liquid level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106593587A true CN106593587A (en) | 2017-04-26 |
Family
ID=58596574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611118611.1A Pending CN106593587A (en) | 2016-12-07 | 2016-12-07 | Integrated injection molding type urea liquid level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106593587A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339535A (en) * | 2017-08-23 | 2017-11-10 | 深圳市盛泽森科技有限公司 | A kind of liquid level sensor of integrated magnet valves |
| CN108190841A (en) * | 2018-02-13 | 2018-06-22 | 广州惠临空气分离设备有限公司 | A kind of Domestic oxygen erator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2392470Y (en) * | 1999-10-07 | 2000-08-23 | 陈久红 | Connector for tap of drinking bowl |
| GB0922464D0 (en) * | 2009-12-21 | 2010-02-03 | Wema System As | Quality sensor apparatus |
| WO2010128531A1 (en) * | 2009-05-04 | 2010-11-11 | Errecinque S.R.L. | Heating device for a solution of water and urea for vehicles |
| CN203177995U (en) * | 2013-01-28 | 2013-09-04 | 深圳市敏杰电子科技有限公司 | NTC temperature sensor pressure resistance structure |
| KR20140050286A (en) * | 2012-10-19 | 2014-04-29 | 주식회사 테스크 | The urea tank for a diesel car which is possessed of a sensor support portion |
| CN103939187A (en) * | 2014-03-27 | 2014-07-23 | 安徽江淮汽车股份有限公司 | Urea tank of light bus |
| KR101459680B1 (en) * | 2014-07-22 | 2014-11-12 | 주식회사 테스크 | An urea sender assembly |
| EP2876272A1 (en) * | 2013-11-20 | 2015-05-27 | elobau GmbH & Co. KG | Extraction unit of a reducing agent tank |
| CN204591423U (en) * | 2015-05-05 | 2015-08-26 | 合肥蓝海电子科技有限公司 | The urea box that a kind of integrated urea quality detects |
| CN104903212A (en) * | 2012-11-02 | 2015-09-09 | 先科材料有限公司 | Dip tube assemblies and methods of manufacturing the same |
| CN105971698A (en) * | 2016-06-27 | 2016-09-28 | 湖北铱派电子科技股份有限公司 | Automatic temperature control electric heating urea liquid level sensor |
-
2016
- 2016-12-07 CN CN201611118611.1A patent/CN106593587A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2392470Y (en) * | 1999-10-07 | 2000-08-23 | 陈久红 | Connector for tap of drinking bowl |
| WO2010128531A1 (en) * | 2009-05-04 | 2010-11-11 | Errecinque S.R.L. | Heating device for a solution of water and urea for vehicles |
| GB0922464D0 (en) * | 2009-12-21 | 2010-02-03 | Wema System As | Quality sensor apparatus |
| KR20140050286A (en) * | 2012-10-19 | 2014-04-29 | 주식회사 테스크 | The urea tank for a diesel car which is possessed of a sensor support portion |
| CN104903212A (en) * | 2012-11-02 | 2015-09-09 | 先科材料有限公司 | Dip tube assemblies and methods of manufacturing the same |
| CN203177995U (en) * | 2013-01-28 | 2013-09-04 | 深圳市敏杰电子科技有限公司 | NTC temperature sensor pressure resistance structure |
| EP2876272A1 (en) * | 2013-11-20 | 2015-05-27 | elobau GmbH & Co. KG | Extraction unit of a reducing agent tank |
| CN103939187A (en) * | 2014-03-27 | 2014-07-23 | 安徽江淮汽车股份有限公司 | Urea tank of light bus |
| KR101459680B1 (en) * | 2014-07-22 | 2014-11-12 | 주식회사 테스크 | An urea sender assembly |
| CN204591423U (en) * | 2015-05-05 | 2015-08-26 | 合肥蓝海电子科技有限公司 | The urea box that a kind of integrated urea quality detects |
| CN105971698A (en) * | 2016-06-27 | 2016-09-28 | 湖北铱派电子科技股份有限公司 | Automatic temperature control electric heating urea liquid level sensor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339535A (en) * | 2017-08-23 | 2017-11-10 | 深圳市盛泽森科技有限公司 | A kind of liquid level sensor of integrated magnet valves |
| CN108190841A (en) * | 2018-02-13 | 2018-06-22 | 广州惠临空气分离设备有限公司 | A kind of Domestic oxygen erator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |