CN103759789A - Urea sensor structure - Google Patents
Urea sensor structure Download PDFInfo
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- CN103759789A CN103759789A CN201310693976.7A CN201310693976A CN103759789A CN 103759789 A CN103759789 A CN 103759789A CN 201310693976 A CN201310693976 A CN 201310693976A CN 103759789 A CN103759789 A CN 103759789A
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- urea
- pipe
- sensor
- filter screen
- tube
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Abstract
The invention discloses a urea sensor structure. The urea sensor structure comprises a sensor top seat, wherein the sensor top seat is connected with a urea suction pipe orifice, a urea returning pipe orifice and a pair of water interfaces, an information tube is welded at the center of the bottom of the sensor top seat, the bottom of the information tube is connected with a tray, an end cap is welded in a pipe orifice at the bottom of the information tube, a floater is installed on the information tube in sliding mode, the bottom of the sensor top seat is connected with two pipe ends of a spiral pipe, two pipe orifices of the spiral pipe are respectively communicated with the two water interfaces, the lower portion of the pipe body of the spiral pipe forms a vertical spiral shape with the information tube as the center shaft, the bottom of the sensor top seat is further connected with a pair of urea pipes, the top ends of the two urea pipes are respectively communicated with the urea suction pipe orifice and the urea returning pipe orifice, a filter screen injection molding part is arranged in an annular flange on the edge of the tray, and a filter screen is sleeved on the filter screen injection molding part. The urea sensor structure is reasonable in structural configuration, stable and reliable, and good in tightness, and furthermore use life of a urea sensor is greatly improved.
Description
Technical field
The present invention relates to urea sensor field, be specially a kind of urea sensor structure.
Background technology
Urea sensor is arranged on carriage frame side, directly contacts external environment, and working temperature is between-44 ℃～+ 85 ℃.Urea sensor head shell is exposed in urea box external body, the rugged surroundings such as drenched with rain all the year round and be exposed to the sun impact, and urea sensor pipeline in urea box, has very strong corrosivity all the year round.Due to its unreasonable structure, there is low problem in serviceable life in prior art urea sensor.
Summary of the invention
The object of this invention is to provide a kind of urea sensor structure, to solve the problem of prior art urea sensor unreasonable structure.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of urea sensor structure, include sensor footstock, it is characterized in that: in sensor footstock, by ultrasonic soldering, be connected with and inhale the urea mouth of pipe, return the urea mouth of pipe, a pair of water interface, and inhale the urea mouth of pipe, return the urea mouth of pipe, two water interfaces and sensor footstock junction are shaped to respectively zigzag, sensor footstock bottom centre is connected to vertical message tube by Laser Welding (LBW), message tube bottom is connected with pallet, and by Laser Welding (LBW), be connected to plug in the bottom mouth of pipe that message tube is connected with pallet, on message tube, be slidably fitted with float, described sensor footstock bottom is connected with two pipe ends of a spiral pipe, spiral pipe two mouths of pipe respectively in sensor footstock with the corresponding connection one by one of two water interfaces, described spiral pipe pipe shaft bottom is shaped to the vertical spiral fashion of axle centered by message tube, and there is space between float and spiral pipe inwall, described sensor footstock bottom is also connected with a pair of urea tube, the two urea tube top mouths of pipe respectively in sensor footstock with suction, return the urea mouth of pipe corresponding connection one by one, described pallet edge forms downward annular flange by laser bonding, in pallet annular flange, be provided with filter screen moulding, on filter screen moulding, cover has filter screen, and filter screen lateral cross section is set to the shape of mating with pallet disc diameter, the two urea tube bottom mouths of pipe pass respectively pallet and are arranged on filter screen moulding.
Described a kind of urea sensor structure, is characterized in that: described filter screen moulding edge is provided with breach.
Topology layout of the present invention is reasonable, reliable and stable, good airproof performance, the serviceable life of greatly having improved urea sensor.
Accompanying drawing explanation
Fig. 1 is one-piece construction front elevation of the present invention.
Fig. 2 is structure vertical view of the present invention.
Fig. 3 is sensor footstock part-structure cut-open view of the present invention.
Fig. 4 is water interface junction enlarged diagram in sensor footstock of the present invention.
Fig. 5 is tray portion structure cut-open view of the present invention.
Fig. 6 is filter screen moulding structure cut-open view of the present invention.
Embodiment
As shown in Fig. 1-Fig. 6.A kind of urea sensor structure, include sensor footstock 1, in sensor 1 footstock, by ultrasonic soldering, be connected with and inhale the urea mouth of pipe 2, return the urea mouth of pipe 3, a pair of water interface 4, and inhale the urea mouth of pipe 2, return the urea mouth of pipe 3, two water interfaces 4 are shaped to respectively zigzag 5 with sensor footstock 1 junction, sensor footstock 1 bottom centre is connected to vertical message tube 6 by Laser Welding (LBW), message tube 6 bottoms are connected with in the bottom mouth of pipe that pallet 7 and message tube 6 be connected with pallet 7 and are connected to plug 8 by Laser Welding (LBW), on message tube 6, be slidably fitted with float 9, sensor footstock 1 bottom is connected with two pipe ends of a spiral pipe 10, 10 liang of mouths of pipe of spiral pipe respectively in sensor footstock 1 with the corresponding connection one by one of two water interfaces 4, spiral pipe 10 pipe shaft bottoms are shaped to the vertical spiral fashion of axle centered by message tube 6, and there is space between float 9 and spiral pipe 10 inwalls, sensor footstock 1 bottom is also connected with a pair of urea tube 11, the two urea tube 11 top mouths of pipe respectively in sensor footstock 1 with inhale, return the urea mouth of pipe 2, 3 corresponding connections one by one, pallet 7 edges form downward annular flange 12 by laser bonding, in the annular flange 12 of pallet 7, be provided with filter screen moulding 13, on filter screen moulding 13, cover has filter screen 14, and filter screen 14 lateral cross section are set to the shape of mating with pallet 7 disc diameters, the two urea tube 11 bottom mouths of pipe pass respectively pallet 7 and are arranged on filter screen moulding 13.Filter screen moulding 13 edges are provided with breach 15.
In the present invention, adopt pallet welding, convenient fixing water inlet pipe and water outlet pipe, urea tube, message tube and net-filter assembly, good reliability guarantees that float and periphery tube wall gap are even simultaneously.
In the present invention, sensor footstock and Inlet and outlet water joint, enter back urea joint, its structure all adopts ultrasonic welding process design, guarantees soldering reliability and impermeability.
In the present invention, sensor footstock and each interface, mouth of pipe junction adopt slip-off preventing broached-tooth design to increase product serviceable life, have improved product reliability.
In the present invention, filter screen adopts and pallet diameter matching circular structure, and entirety is more attractive in appearance, and breach is offered at filter screen moulding edge, guarantees that filter screen inside is penetrating.Pallet has good protective effect to filter screen simultaneously.
Claims (2)
1. a urea sensor structure, include sensor footstock, it is characterized in that: in sensor footstock, by ultrasonic soldering, be connected with and inhale the urea mouth of pipe, return the urea mouth of pipe, a pair of water interface, and inhale the urea mouth of pipe, return the urea mouth of pipe, two water interfaces and sensor footstock junction are shaped to respectively zigzag, sensor footstock bottom centre is connected to vertical message tube by Laser Welding (LBW), message tube bottom is connected with pallet, and by Laser Welding (LBW), be connected to plug in the bottom mouth of pipe that message tube is connected with pallet, on message tube, be slidably fitted with float, described sensor footstock bottom is connected with two pipe ends of a spiral pipe, spiral pipe two mouths of pipe respectively in sensor footstock with the corresponding connection one by one of two water interfaces, described spiral pipe pipe shaft bottom is shaped to the vertical spiral fashion of axle centered by message tube, and there is space between float and spiral pipe inwall, described sensor footstock bottom is also connected with a pair of urea tube, the two urea tube top mouths of pipe respectively in sensor footstock with suction, return the urea mouth of pipe corresponding connection one by one, described pallet edge forms downward annular flange by laser bonding, in pallet annular flange, be provided with filter screen moulding, on filter screen moulding, cover has filter screen, and filter screen lateral cross section is set to the shape of mating with pallet disc diameter, the two urea tube bottom mouths of pipe pass respectively pallet and are arranged on filter screen moulding.
2. a kind of urea sensor structure according to claim 1, is characterized in that: described filter screen moulding edge is provided with breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310693976.7A CN103759789B (en) | 2013-12-17 | 2013-12-17 | Urea sensor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310693976.7A CN103759789B (en) | 2013-12-17 | 2013-12-17 | Urea sensor structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103759789A true CN103759789A (en) | 2014-04-30 |
| CN103759789B CN103759789B (en) | 2017-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310693976.7A Active CN103759789B (en) | 2013-12-17 | 2013-12-17 | Urea sensor structure |
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| CN (1) | CN103759789B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614039A (en) * | 2015-02-04 | 2015-05-13 | 湖南菲尔斯特传感器有限公司 | Connection fixing base of urea sensor |
| CN109203982A (en) * | 2018-10-09 | 2019-01-15 | 合肥邦立电子股份有限公司 | A kind of liquid level sensor with buffer pallet |
| CN110231072A (en) * | 2019-07-16 | 2019-09-13 | 潍柴动力股份有限公司 | A kind of urea box liquid level detection device |
| CN112097864A (en) * | 2020-09-16 | 2020-12-18 | 合肥邦立电子股份有限公司 | Liquid level sensor pipeline connecting and positioning structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0763597A (en) * | 1993-08-25 | 1995-03-10 | Matsushita Electric Ind Co Ltd | Water level sensor |
| CN201045310Y (en) * | 2007-03-30 | 2008-04-09 | 东风汽车有限公司 | Urea box for commercial vehicle catalyst |
| CN102095476A (en) * | 2010-11-19 | 2011-06-15 | 东莞正扬电子机械有限公司 | Liquid level sensor of urea tank |
| CN202284490U (en) * | 2011-10-26 | 2012-06-27 | 宁波恒富汽车部件发展有限公司 | Sensor assembly for automobile urea tank |
| CN203241103U (en) * | 2013-05-28 | 2013-10-16 | 湖南威铭能源科技有限公司 | Wet type direct-reading water meter head excellent in air tightness |
| CN203642999U (en) * | 2013-12-17 | 2014-06-11 | 合肥邦立电子股份有限公司 | Urea sensor structure |
-
2013
- 2013-12-17 CN CN201310693976.7A patent/CN103759789B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0763597A (en) * | 1993-08-25 | 1995-03-10 | Matsushita Electric Ind Co Ltd | Water level sensor |
| CN201045310Y (en) * | 2007-03-30 | 2008-04-09 | 东风汽车有限公司 | Urea box for commercial vehicle catalyst |
| CN102095476A (en) * | 2010-11-19 | 2011-06-15 | 东莞正扬电子机械有限公司 | Liquid level sensor of urea tank |
| CN202284490U (en) * | 2011-10-26 | 2012-06-27 | 宁波恒富汽车部件发展有限公司 | Sensor assembly for automobile urea tank |
| CN203241103U (en) * | 2013-05-28 | 2013-10-16 | 湖南威铭能源科技有限公司 | Wet type direct-reading water meter head excellent in air tightness |
| CN203642999U (en) * | 2013-12-17 | 2014-06-11 | 合肥邦立电子股份有限公司 | Urea sensor structure |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614039A (en) * | 2015-02-04 | 2015-05-13 | 湖南菲尔斯特传感器有限公司 | Connection fixing base of urea sensor |
| CN104614039B (en) * | 2015-02-04 | 2017-07-14 | 湖南菲尔斯特传感器有限公司 | The formula base that is connected of urea sensor |
| CN109203982A (en) * | 2018-10-09 | 2019-01-15 | 合肥邦立电子股份有限公司 | A kind of liquid level sensor with buffer pallet |
| CN109203982B (en) * | 2018-10-09 | 2023-09-08 | 合肥邦立电子股份有限公司 | Liquid level sensor with buffer tray |
| CN110231072A (en) * | 2019-07-16 | 2019-09-13 | 潍柴动力股份有限公司 | A kind of urea box liquid level detection device |
| CN112097864A (en) * | 2020-09-16 | 2020-12-18 | 合肥邦立电子股份有限公司 | Liquid level sensor pipeline connecting and positioning structure |
| CN112097864B (en) * | 2020-09-16 | 2022-05-03 | 合肥邦立电子股份有限公司 | Liquid level sensor pipeline connecting and positioning structure |
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| Publication number | Publication date |
|---|---|
| CN103759789B (en) | 2017-02-15 |
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