CN106996815B - Water level sensor - Google Patents
Water level sensor Download PDFInfo
- Publication number
- CN106996815B CN106996815B CN201610593309.5A CN201610593309A CN106996815B CN 106996815 B CN106996815 B CN 106996815B CN 201610593309 A CN201610593309 A CN 201610593309A CN 106996815 B CN106996815 B CN 106996815B
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- CN
- China
- Prior art keywords
- titanium alloy
- assembly
- alloy rod
- wire
- circuit board
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 53
- 229910052802 copper Inorganic materials 0.000 claims abstract description 23
- 239000010949 copper Substances 0.000 claims abstract description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims abstract description 10
- 238000000429 assembly Methods 0.000 claims abstract description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000853 adhesive Substances 0.000 claims abstract description 5
- 230000001070 adhesive effect Effects 0.000 claims abstract description 5
- 238000001746 injection moulding Methods 0.000 claims abstract description 5
- 229910052709 silver Inorganic materials 0.000 claims abstract description 5
- 239000004332 silver Substances 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 230000008014 freezing Effects 0.000 claims 1
- 238000007710 freezing Methods 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 7
- 238000005868 electrolysis reaction Methods 0.000 abstract description 4
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 3
- 230000002528 anti-freeze Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
Abstract
The invention provides a water level sensor. Belongs to the technical field of liquid level sensors. The sensor mainly solves the problem that the sensor is invalid due to capillary permeation, electrode corrosion and the like of the sensor in the severe use environment of the auxiliary water tank. The main characteristics of the device are as follows: the circuit relay assembly comprises a wire harness assembly, a circuit relay assembly and a titanium alloy machine body assembly; the titanium alloy machine body assembly is formed by injection molding of two symmetrically arranged titanium alloy rod assemblies; the titanium alloy rod assembly comprises a lead, a copper insert and a titanium alloy rod, and the surface of the titanium alloy rod assembly is coated with conductive silver adhesive; the circuit relay assembly consists of a shell, a circuit board and a cover plate; the wire harness assembly and the wire of the titanium alloy rod assembly are welded on the circuit board. The invention adopts the titanium alloy rod as the electrode, and the sensor processing circuit is integrated with the electrode separately, so that the invention has the characteristics of overcoming the severe environment of the auxiliary water tank, corrosion resistance, electrolysis resistance, high temperature resistance and non-adsorption, and is mainly used for domestic warpers.
Description
Technical Field
The invention belongs to the technical field of liquid level sensors. In particular to a water level sensor for detecting the liquid level of antifreeze of an auxiliary water tank.
Background
At present, domestic liquid level sensors are divided into: reed type, rocker type, electrode type liquid level sensor. The auxiliary water tank belongs to an engine system, and because the domestic engine manufacturing level is different from the international engine manufacturing level, a user does not use according to a product specification and the like, antifreeze liquid impurities in the auxiliary water tank are particularly more, the environment is quite bad, the reed switch type liquid level sensor basically cannot be used for detecting the liquid level of the auxiliary water tank due to the limitation of the use environment, the swing rod type liquid level sensor cannot be installed in the auxiliary water tank due to the volume influence of the reed switch type liquid level sensor, and the traditional integrated electrode type liquid level sensor is provided with a processing circuit and a non-processing circuit, but because of the problems of capillary permeation, electrode corrosion and the like, the market reaction effect is poor. The invention adopts the special electrode and the processing circuit which is integrated with the electrode separately, and can overcome the severe use environment of the electrode type liquid level sensor.
Disclosure of Invention
The invention aims to solve the problems of severe use environment in an auxiliary water tank, capillary permeation of a sensor, corrosion of an electrode and the like, and provides a water level sensor which adopts a titanium alloy electrode with corrosion resistance, electrolysis resistance, high temperature resistance and non-adsorption, wherein a sensor processing circuit and the electrode are integrated separately.
The technical scheme of the invention is as follows: a water level sensor, characterized in that: the circuit relay assembly comprises a wire harness assembly, a circuit relay assembly and a titanium alloy machine body assembly; the titanium alloy machine body assembly is formed by injection molding of two symmetrically arranged titanium alloy rod assemblies; the titanium alloy rod assembly comprises a wire, a copper insert and a titanium alloy rod, one end of the titanium alloy rod is embedded into a sleeve at one end of the copper insert, one end of the wire is embedded into a sleeve at the other end of the copper insert, the copper insert is connected with the titanium alloy rod and the wire in a riveting mode, and conductive silver adhesive is coated on the whole surfaces of the wire, the copper insert and the titanium alloy rod; the circuit relay assembly consists of a shell, a circuit board and a cover plate; the wire harness assembly penetrates from one end of the circuit relay assembly and is welded on the circuit board, and the lead of the titanium alloy rod assembly penetrates from the other end of the circuit relay assembly and is welded on the circuit board.
The circuit board is fixed in the shell cavity, TSE silica gel is filled in the shell cavity, and the shell, the circuit board and the TSE silica gel form a circuit board shell assembly.
The wire harness assembly in the technical scheme of the invention is formed by combining a standard Delfu connector and a common wire.
The invention adopts the water level sensor composed of the wire harness assembly, the circuit relay assembly and the titanium alloy machine body assembly, wherein the titanium alloy machine body assembly is formed by injection molding of two symmetrically arranged titanium alloy rod assemblies; the titanium alloy rod assembly comprises a wire, a copper insert and a titanium alloy rod, one end of the titanium alloy rod is embedded into a sleeve at one end of the copper insert, one end of the wire is embedded into a sleeve at the other end of the copper insert, the copper insert is connected with the titanium alloy rod and the wire in a riveting mode, and conductive silver adhesive is coated on the whole surfaces of the wire, the copper insert and the titanium alloy rod; the circuit relay assembly consists of a shell, a circuit board and a cover plate; the wire harness assembly penetrates from one end of the circuit relay assembly and is welded on the circuit board, the lead wire of the titanium alloy rod assembly penetrates from the other end of the circuit relay assembly and is welded on the circuit board, the titanium alloy rod is used as a sensor electrode to resist corrosion, electrolysis and high temperature, and is not adsorbed, and the sensor processing circuit is integrated with the electrode separately, so that the problems of circuit damage and the like caused by capillary penetration can be avoided. The invention has the characteristics of overcoming the severe environment of the auxiliary water tank, corrosion resistance, electrolysis resistance, high temperature resistance and non-adsorption. The invention is mainly used for domestic warriors.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of a copper insert structure of a titanium alloy body assembly.
FIG. 3 is a schematic view of a titanium alloy rod assembly of a titanium alloy body assembly.
FIG. 4 is a schematic view of a titanium alloy body assembly.
Fig. 5 is a schematic diagram of a circuit board housing assembly of the circuit relay assembly.
Fig. 6 is a schematic diagram of a circuit relay assembly.
In the figure: 1-copper inserts, 2-titanium alloy bars, 3-titanium alloy bar assemblies, 4-titanium alloy body assemblies, 5-circuit boards, 6-housings, 7-circuit board housing assemblies, 8-cover plates, 9-screw combinations, 10-circuit relay assemblies and 11-wire harness assemblies.
Detailed Description
As shown in fig. 1 to 6. The structure of the invention is divided into a wire harness assembly 11, a circuit relay assembly 10 and a titanium alloy engine body assembly 4. Wherein, the titanium alloy body assembly 4 is formed by injection molding of two symmetrically arranged titanium alloy rod assemblies 3. The titanium alloy rod assembly 3 comprises a wire, a copper insert 1 and a titanium alloy rod 2, one end of the titanium alloy rod 2 is embedded into a sleeve at one end of the copper insert 1, one end of the wire is embedded into a sleeve at the other end of the copper insert 1, the copper insert 1 is connected with the titanium alloy rod 2 and the wire in a riveting mode, and conductive silver adhesive is coated on the whole surfaces of the wire, the copper insert 1 and the titanium alloy rod 2. The circuit relay assembly 10 is composed of a shell 6, a circuit board 5 and a cover plate 8, wherein the circuit board 5 is fixed in a cavity of the shell 6, TSE silica gel is filled in the cavity of the shell 6, and the shell 6, the circuit board 5 and the TSE silica gel form a circuit board shell assembly 7. The cover plate 8 is fixed on the circuit board shell assembly 7 through the screw combination 9, and is integrated into the circuit relay assembly 10. The wire harness assembly 11 penetrates from one end of the circuit relay assembly 10 and is welded to the circuit board 5, and the wire of the titanium alloy rod assembly 3 penetrates from the other end of the circuit relay assembly 10 and is welded to the circuit board 5. The harness assembly 11 is a standard delta-sigma connector in combination with conventional electrical wires.
Claims (3)
1. The utility model provides a water level sensor for use the detection of the liquid level of freezing in engine system auxiliary water tank that the environment is abominable, sensor capillary permeation takes place and electrode is corroded, its characterized in that: comprises a wire harness assembly (11), a circuit relay assembly (10) and a titanium alloy engine body assembly (4); wherein the titanium alloy machine body assembly (4) is formed by injection molding of two symmetrically arranged titanium alloy rod assemblies (3); the titanium alloy rod assembly (3) comprises a wire, a copper insert (1) and a titanium alloy rod (2), one end of the titanium alloy rod (2) is embedded into a sleeve at one end of the copper insert (1), one end of the wire is embedded into a sleeve at the other end of the copper insert (1), the copper insert (1) is connected with the titanium alloy rod (2) and the wire in a riveting mode, and conductive silver adhesive is coated on the whole surfaces of the wire, the copper insert (1) and the titanium alloy rod (2); the circuit relay assembly (10) is composed of a shell (6), a circuit board (5) and a cover plate (8); the wire harness assembly (11) penetrates from one end of the circuit relay assembly (10) and is welded on the circuit board (5), and the wire of the titanium alloy rod assembly (3) penetrates from the other end of the circuit relay assembly (10) and is welded on the circuit board (5).
2. The water level sensor of claim 1, wherein: the circuit board (5) is fixed in the cavity of the shell (6), TSE silica gel is filled in the cavity of the shell (6), and the shell (6), the circuit board (5) and the TSE silica gel form a circuit board shell assembly (7).
3. A water level sensor according to claim 1 or 2, characterized in that: the wire harness assembly (11) is formed by combining a standard Delfu connector and a common wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610593309.5A CN106996815B (en) | 2016-07-26 | 2016-07-26 | Water level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610593309.5A CN106996815B (en) | 2016-07-26 | 2016-07-26 | Water level sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106996815A CN106996815A (en) | 2017-08-01 |
| CN106996815B true CN106996815B (en) | 2023-11-28 |
Family
ID=59431723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610593309.5A Active CN106996815B (en) | 2016-07-26 | 2016-07-26 | Water level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106996815B (en) |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7333358U (en) * | 1973-09-14 | 1975-04-03 | Papenmeier F | Electronic level controller |
| CN2072677U (en) * | 1990-07-09 | 1991-03-06 | 核工业第一研究设计院第二研究所 | Integrated electric connection point tank gage |
| CN2212775Y (en) * | 1994-10-19 | 1995-11-15 | 山东省科学院能源研究所 | Bar-type liquid level and liquid temp transducer |
| CN2216676Y (en) * | 1994-12-31 | 1996-01-03 | 王文义 | Capacitance level gauge |
| JPH0843171A (en) * | 1994-07-26 | 1996-02-16 | Mitsubishi Heavy Ind Ltd | Liquid level increasing rate measuring apparatus for conductive liquid in pressure vessel |
| DE29603190U1 (en) * | 1996-02-22 | 1996-04-11 | Paulmann & Crone Gmbh & Co Kg | Liquid display probe |
| FR2746916A1 (en) * | 1996-03-28 | 1997-10-03 | Valeo Electronique | Liquid level sensor for cooling system of automobile engine |
| JPH10111163A (en) * | 1996-10-08 | 1998-04-28 | Ebara Corp | Submerging water pressure-type water level sensor |
| JP2002022697A (en) * | 2000-07-03 | 2002-01-23 | Matsushita Electric Works Ltd | Electrostatic capacity type water content sensor and method for manufacturing its electrode section |
| CN2531321Y (en) * | 2002-01-12 | 2003-01-15 | 庄惠明 | Water level and temp. display for solar water tank |
| CN2716814Y (en) * | 2004-07-15 | 2005-08-10 | 张立 | Sensing electrode bar |
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| CN102072755A (en) * | 2010-02-26 | 2011-05-25 | 秦皇岛华电测控设备有限公司 | Electrode liquid level sensor |
| CN202710139U (en) * | 2012-06-19 | 2013-01-30 | 浙江比华丽电子科技有限公司 | Water temperature and water level sensor arranged in low position |
| CN202885912U (en) * | 2012-11-23 | 2013-04-17 | 福建兢辉环保科技有限公司 | Evaporation type air conditioner and water level detecting device thereof |
| CN203037312U (en) * | 2012-11-23 | 2013-07-03 | 东风汽车电子有限公司 | Water level sensor |
| CN203376028U (en) * | 2013-08-02 | 2014-01-01 | 东风汽车电子有限公司 | Ship machine liquid level sensor |
| CN204255464U (en) * | 2014-12-11 | 2015-04-08 | 东风汽车电子有限公司 | Fuel sensor assembly |
| CN205981351U (en) * | 2016-07-26 | 2017-02-22 | 东风汽车电子有限公司 | Water level sensor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7902838B2 (en) * | 2004-11-17 | 2011-03-08 | Continental Automotive Systems Us, Inc. | Sensor device for determining a fluid property |
-
2016
- 2016-07-26 CN CN201610593309.5A patent/CN106996815B/en active Active
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7333358U (en) * | 1973-09-14 | 1975-04-03 | Papenmeier F | Electronic level controller |
| CN2072677U (en) * | 1990-07-09 | 1991-03-06 | 核工业第一研究设计院第二研究所 | Integrated electric connection point tank gage |
| JPH0843171A (en) * | 1994-07-26 | 1996-02-16 | Mitsubishi Heavy Ind Ltd | Liquid level increasing rate measuring apparatus for conductive liquid in pressure vessel |
| CN2212775Y (en) * | 1994-10-19 | 1995-11-15 | 山东省科学院能源研究所 | Bar-type liquid level and liquid temp transducer |
| CN2216676Y (en) * | 1994-12-31 | 1996-01-03 | 王文义 | Capacitance level gauge |
| DE29603190U1 (en) * | 1996-02-22 | 1996-04-11 | Paulmann & Crone Gmbh & Co Kg | Liquid display probe |
| FR2746916A1 (en) * | 1996-03-28 | 1997-10-03 | Valeo Electronique | Liquid level sensor for cooling system of automobile engine |
| JPH10111163A (en) * | 1996-10-08 | 1998-04-28 | Ebara Corp | Submerging water pressure-type water level sensor |
| JP2002022697A (en) * | 2000-07-03 | 2002-01-23 | Matsushita Electric Works Ltd | Electrostatic capacity type water content sensor and method for manufacturing its electrode section |
| CN2531321Y (en) * | 2002-01-12 | 2003-01-15 | 庄惠明 | Water level and temp. display for solar water tank |
| CN2716814Y (en) * | 2004-07-15 | 2005-08-10 | 张立 | Sensing electrode bar |
| CN2852071Y (en) * | 2005-11-18 | 2006-12-27 | 山东桑乐太阳能有限公司 | Water level sensor |
| CN201293670Y (en) * | 2008-08-14 | 2009-08-19 | 东风襄樊仪表系统有限公司 | Water level sensor |
| CN201449281U (en) * | 2009-06-29 | 2010-05-05 | 戚元平 | Water level sensor |
| CN101691956A (en) * | 2009-10-13 | 2010-04-07 | 宁波新早晨绿色照明科技有限公司 | Bottom-mounted sensor for solar water heater |
| CN102072755A (en) * | 2010-02-26 | 2011-05-25 | 秦皇岛华电测控设备有限公司 | Electrode liquid level sensor |
| CN202710139U (en) * | 2012-06-19 | 2013-01-30 | 浙江比华丽电子科技有限公司 | Water temperature and water level sensor arranged in low position |
| CN202885912U (en) * | 2012-11-23 | 2013-04-17 | 福建兢辉环保科技有限公司 | Evaporation type air conditioner and water level detecting device thereof |
| CN203037312U (en) * | 2012-11-23 | 2013-07-03 | 东风汽车电子有限公司 | Water level sensor |
| CN203376028U (en) * | 2013-08-02 | 2014-01-01 | 东风汽车电子有限公司 | Ship machine liquid level sensor |
| CN204255464U (en) * | 2014-12-11 | 2015-04-08 | 东风汽车电子有限公司 | Fuel sensor assembly |
| CN205981351U (en) * | 2016-07-26 | 2017-02-22 | 东风汽车电子有限公司 | Water level sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106996815A (en) | 2017-08-01 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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Address after: 441106 Changshan Road, Dongjin New Area (Economic Development Zone), Xiangyang City, Hubei Province Patentee after: Dongfeng Power Drive System Co.,Ltd. Country or region after: China Address before: 441001 No. 227 East Daqing Road, Hubei, Xiangfan Patentee before: DONGFENG AUTOMOBILE ELECTRONICS Co.,Ltd. Country or region before: China |