CN103398755B - A kind of hybrid sensor and preparation method thereof - Google Patents
A kind of hybrid sensor and preparation method thereof Download PDFInfo
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- CN103398755B CN103398755B CN201310294609.XA CN201310294609A CN103398755B CN 103398755 B CN103398755 B CN 103398755B CN 201310294609 A CN201310294609 A CN 201310294609A CN 103398755 B CN103398755 B CN 103398755B
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Abstract
The invention provides a kind of hybrid sensor and preparation method thereof, outer tube including several hollows, the electric pole type induction electrode 4 of hollow it is connected between described outer tube, except first section of outer tube 3, remaining outer tube is also close to outer tube wall and is provided with the Electric field induction electrode 5 of hollow, described electric pole type induction electrode 4 and Electric field induction electrode 4 are respectively connected with holding wire 7, holding wire 7 is along outer tube wall and penetrates Electric field induction electrode 5 and electric pole type induction electrode 4 extends to outside, free end 31 at first section of outer tube is set with the sealing lid 1 matched, the free end 61 of rear outer tube 6 is not provided with opening。The present invention by electric pole type induction electrode and Electric field induction electrode reasonable disposition in same sensor, and distribute alternately, both avoided and all adopted electric pole type induction electrode to be subject to incrustation scale impact and cause collection distorted signals, and turn avoid and all adopt the puzzlement to cladding material lifetime high request of the Electric field induction electrode。
Description
Technical field
The invention belongs to sensor technical field, be specifically related to a kind of hybrid sensor and preparation method thereof, refer in particular to hybrid sensor for solar water heater liquid level monitoring and preparation method thereof。
Background technology
Sensor (English name: transducer/sensor), as a kind of detecting device, refers to the measured piece of impression regulation and converts device or the device of available signal according to certain mathematical function rule to, being generally made up of sensing element and conversion element。Sensor can be divided into pressure quick and force-sensing sensor, position sensor, liquid level sensor, energy consumption sensor, velocity sensor, acceleration transducer, ray radiation sensors, heat sensitive sensor according to purposes。Wherein liquid level sensor is based on the principle that surveyed fluid pressure is proportional to the height of this liquid, adopt sensing element, static pressure is converted to the information output of the signal of telecommunication or other desired forms, to meet the requirements such as the transmission of information, process, storage, display, record and control。
Liquid level sensor can be divided into two classes, and a class is contact, another kind of for contactless。Contact liquid level sensor be represented as electrode sensor, and contactless liquid level sensor be represented as electric field sensor。Electrode sensor is the resistance detection water level directly utilizing water, because it is with low cost and it is simply and always commonly used by institute of solar water heater manufacturer to make, but due to the part that its operation principle and acquisition method are all original, the most backward in sensing technology, there is the defect that cannot overcome: induction electrode is easily formed incrustation scale owing to contacting with water for a long time, make electrode surface form insulating tape and cause collection distorted signals。Electric field sensor utilizes the principle of electric field induction, when making induction electrode without contacting with liquid, can accurately measure water level, efficiently solve the deficiency of the easy sediment incrustation of the electrode existing for electrode sensor, and the induction electrode of electric field sensor owing to can not contact (after contacting with water with water, induction electrode can lose normal control function because of short circuit), therefore the water resistance of its cladding material is had higher requirement, but the service life being coated with material at present on the market is generally relatively low, cannot ensure that it remains to isolation moisture under the immersion of high-temperature water and contacts with induction electrode。
Summary of the invention
It is an object of the invention to overcome weak point of the prior art, Electric field induction electrode and electric pole type induction electrode are arranged in same sensor, it is achieved the two is had complementary advantages, it is provided that a kind of hybrid sensor。
It is an object of the invention to be achieved through the following technical solutions:
A kind of hybrid sensor, outer tube including several hollows, the electric pole type induction electrode of hollow it is connected between described outer tube, except first section of outer tube, at remaining outer tube and be close to outer tube wall and be provided with the Electric field induction electrode of hollow, described electric pole type induction electrode and Electric field induction electrode are respectively connected with holding wire, holding wire is along outer tube wall and penetrates Electric field induction electrode and electric pole type induction electrode extends to outside, free end at first section of outer tube is set with the sealing lid matched, and the free end of rear outer tube is not provided with opening。
As improvement opportunity scheme, the free end of described first section of outer tube is also set with silica gel rubber circle, and described silica gel rubber circle is sealed lid cladding。
As further improvement opportunity scheme, two links of described electric pole type induction electrode are respectively installed with O RunddichtringO。The effect of O RunddichtringO is in that to prevent moisture from entering outer tube, causes induction electrode short circuit, inventor contemplates that the hot environment that sensor to bear in heating water tanks process, therefore have selected high temperature resistant, fire prevention series material, for instance silica gel rubber circle。
As optimal technical scheme, described electric pole type induction electrode and outer tube are for being spirally connected, and concrete, the two ends of described electric pole type induction electrode are screw-like, and match with the female thread of described outer tube。
As further improvement opportunity scheme, in order to improve sealing, the screw thread of described electric pole type induction electrode two link is coated with high temperature resistant waterproof glue。
Preferably, the described lid that seals is exotic material, for instance pottery, five metals or plastics。
Preferably, described outer tube is high temperature resistant waterproof nonmetallic materials, for instance pottery or plastics。
Preferably, described Electric field induction electrode and electric pole type induction electrode are rustless steel, and FPC etc. has certain elastic metal material or metallic composite。
Another object of the present invention also resides in the manufacture method providing above-mentioned hybrid sensor, comprises the following steps:
Step 1, is welded in the terminal point of independent holding wire on the inwall of electric pole type induction electrode, and the terminal point of independent holding wire is welded on the inwall of Electric field induction electrode；
Step 2, is pressed into Electric field induction electrode in outer tube by external force and is close to outer tube wall, makes in each outer tube except for the outer tube of first section including at least an Electric field induction electrode；
Step 3, is set in two links of electric pole type induction electrode by the O RunddichtringO of coupling, is then embedded in the outer tube having been provided with Electric field induction electrode by a wherein link, and carries out being spirally connected to form sensor assembly with outer tube；
Step 4, multiple sensor assemblies are sequentially spirally connected, multiple outer tube being internally provided with Electric field induction electrode is made to be linked together by multiple electric pole type induction electrodes, holding wire on Electric field induction electrode and electric pole type induction electrode is along outer tube wall and penetrates Electric field induction electrode and electric pole type induction electrode extends to outside, and the link of the electric pole type induction electrode that then outer tube sleeve being used for first section is contained in correspondence is spirally connected；
Step 5, from multiple interconnective outer tubes, selects the outer tube being positioned at rear to be sealed by its free end, selects the outer tube being positioned at first section that its free end is embedded silica gel rubber circle, is then inserted by the free end being set with first section of outer tube of silica gel rubber circle and seals lid。
As the improvement to above-mentioned manufacture method, before O RunddichtringO is set in electric pole type induction electrode two link, it is additionally included in the step of described two link coating high temperature resistant waterproof glue。
Concrete, holding wire on described Electric field induction electrode and electric pole type induction electrode is each along from rear outer tube to the direction of first section of outer tube, and penetrates and described seal lid, extends to outside。
The present invention has the following advantages and beneficial effect compared to existing technology:
(1) hybrid sensor of the present invention by electric pole type induction electrode and Electric field induction electrode reasonable disposition in same sensor, and distribute alternately, both avoided and all adopted electric pole type induction electrode to be subject to incrustation scale impact and cause collection distorted signals, and turn avoid and all adopt the puzzlement to cladding material lifetime high request of the Electric field induction electrode；
(2) hybrid sensor of the present invention seals the setting of lid, silica gel image circle, high temperature resistant waterproof glue and O RunddichtringO, improves the overall tightness of sensor, meet the electric pole type induction electrode requirement to packaging technology in sensor；
(3) hybrid sensor of the present invention is pointed on material selects, and has both met the performance requirement of sensor, and the material because adopting is common common material again, easily produces and with low cost；
(4) manufacture method of hybrid sensor provided by the invention is simply easily promoted, wherein:
Realize holding wire to be connected with electric pole type induction electrode and holding wire is connected the spot-welding technology that adopts because solder joint is little with Electric field induction electrode, both make to be connected firmly, do not change again the physical characteristic of weldment；
Electric field induction electrode is close to outer tube wall, it is ensured that the sensitivity of electrode sensing；
Realize the screw connection manner that electric pole type induction electrode is connected by with outer tube, improve efficiency of assembling。
Accompanying drawing explanation
Fig. 1 is the structure sectional view of the hybrid sensor of the present embodiment。
Fig. 2 is the structure sectional view of the electric pole type induction electrode being connected to holding wire。
Fig. 3 is the structure sectional view of the Electric field induction electrode being connected to holding wire。
Fig. 4 is Electric field induction electrode and outer tube composite unit structure schematic diagram。
Fig. 5 is the decomposition texture schematic diagram of sensor assembly。
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but the embodiment of the invention is not limited to this。
As shown in Figure 1, a kind of hybrid sensor, outer tube including five hollows, the electric pole type induction electrode 4 of four hollows it is connected between outer tube, except first section of outer tube 3, at remaining outer tube and be close to outer tube wall and be provided with the Electric field induction electrode 5 of hollow, electric pole type induction electrode 4 and Electric field induction electrode 5 are respectively connected with holding wire 7, holding wire 7 is along outer tube wall and penetrates Electric field induction electrode 5 and electric pole type induction electrode 4 extends to outside, free end 31 at first section of outer tube is set with the sealing lid 1 matched, the free end 61 of rear outer tube 6 is not provided with opening。
Wherein:
The free end 31 of first section of outer tube is also set with silica gel rubber circle 2, and silica gel rubber circle 2 is sealed lid 1 cladding;Two links of electric pole type induction electrode 4 are respectively installed with O RunddichtringO 8;Electric pole type induction electrode 4 and outer tube are for being spirally connected;The screw thread of 4 liang of links of electric pole type induction electrode is coated with high temperature resistant waterproof glue。
A kind of method making above-mentioned hybrid sensor is as follows:
Step 1, as shown in Figure 2 and Figure 3, is welded in the terminal point of independent holding wire 7 on the inwall of electric pole type induction electrode 4, and the terminal point of independent holding wire 7 is welded on the inwall of Electric field induction electrode 5；
Step 2, shown in Fig. 4, is pressed into Electric field induction electrode 5 in outer tube by external force and is close to outer tube wall, making in each outer tube except for first section of outer tube 3 including at least an Electric field induction electrode 5；
Step 3, as shown in Figure 5, the two link coating high temperature resistant waterproof glue at electric pole type induction electrode 4, then the O RunddichtringO 8 of coupling is set in two links of electric pole type induction electrode 4, a wherein link is embedded in the outer tube having been provided with Electric field induction electrode 5 and carries out being spirally connected to form sensor assembly with outer tube；
Step 4, as shown in Figure 1, four sensor assemblies are sequentially spirally connected, four outer tubes being internally provided with Electric field induction electrode 5 are made to be linked together by four electric pole type induction electrodes 4, holding wire 7 on Electric field induction electrode 5 and electric pole type induction electrode 4 is along outer tube wall and penetrates Electric field induction electrode 5 and electric pole type induction electrode 4 extends to outside, and the link of the electric pole type induction electrode 4 that then outer tube 3 being used for first section is sleeved on correspondence is spirally connected；
Step 5, as shown in Figure 1, from five interconnective outer tubes, the outer tube 6 being positioned at rear is selected to be sealed by its free end 61, selecting the outer tube 3 being positioned at first section that its free end 31 is embedded silica gel rubber circle 2, then the free end 31 being set with first section of outer tube of silica gel rubber circle 2 inserts sealing lid 1, Electric field induction electrode 5 and the holding wire on electric pole type induction electrode 47 are each along from rear outer tube 6 to the direction of first section of outer tube 3, and penetrate sealing lid 1, extend to outside。
Embodiment described above only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to type the scope of the claims of the present invention。It should be pointed out that, for the person of ordinary skill of the art, under the premise of not departing from the present invention, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention。Therefore, the protection domain of patent of the present invention should be as the criterion with claims。
Claims (9)
1. a hybrid sensor, it is characterized in that: include the outer tube of several hollows, the electric pole type induction electrode (4) of hollow it is connected between described outer tube, except first section of outer tube (3), at remaining outer tube and be close to outer tube wall and be provided with the Electric field induction electrode (5) of hollow, described electric pole type induction electrode (4) and Electric field induction electrode (5) are respectively connected with holding wire (7), holding wire (7) is along outer tube wall and penetrates Electric field induction electrode (5) and electric pole type induction electrode (4) extends to outside, free end (31) at first section of outer tube is set with the sealing lid (1) matched, the free end (61) of rear outer tube 6 is not provided with opening。
2. hybrid sensor according to claim 1, it is characterised in that: the free end (31) of described first section of outer tube is also set with silica gel rubber circle (2), and described silica gel rubber circle (2) is sealed lid (1) cladding。
3. hybrid sensor according to claim 2, it is characterised in that: two links of described electric pole type induction electrode (4) are respectively installed with O RunddichtringO (8)。
4. hybrid sensor according to claim 3, it is characterised in that: described electric pole type induction electrode (4) and outer tube are for being spirally connected。
5. hybrid sensor according to claim 4, it is characterised in that: the screw thread of described electric pole type induction electrode (4) two link is coated with high temperature resistant waterproof glue。
6. the hybrid sensor according to any one of claim 1 to 5, it is characterized in that: the described lid (1) that seals is exotic material, described outer tube is high temperature resistant waterproof nonmetallic materials, and described Electric field induction electrode (5) and electric pole type induction electrode (4) are for having certain elastic metal material or metallic composite。
7. the manufacture method of the hybrid sensor described in a claim 5, it is characterised in that comprise the following steps:
Step 1, is welded in the terminal point of independent holding wire (7) on the inwall of electric pole type induction electrode (4), and the terminal point of independent holding wire (7) is welded on the inwall of Electric field induction electrode (5)；
Step 2, is pressed into Electric field induction electrode (5) in outer tube by external force and is close to outer tube wall, makes in each outer tube except for first section of outer tube (3) including at least an Electric field induction electrode (5)；
Step 3, the O RunddichtringO (8) of coupling is set in two links of electric pole type induction electrode (4), then a wherein link is embedded in the outer tube having been provided with Electric field induction electrode (5) and carries out being spirally connected to form sensor assembly with outer tube；
Step 4, multiple sensor assemblies are sequentially spirally connected, multiple outer tube being internally provided with Electric field induction electrode (5) is made to be linked together by multiple electric pole type induction electrodes (4), holding wire (7) on Electric field induction electrode (5) and electric pole type induction electrode (4) is along outer tube wall and penetrates Electric field induction electrode (5) and electric pole type induction electrode (4) extends to outside, and the link of the electric pole type induction electrode (4) that first section of outer tube (3) is then sleeved on correspondence is spirally connected；
Step 5, from multiple interconnective outer tubes, rear outer tube (6) is selected to be sealed by its free end (61), selecting first section of outer tube (3) to be embedded in silica gel rubber circle (2) by its free end (31), the free end (31) of the first section of outer tube that then will be set with silica gel rubber circle (2) inserts sealing lid (1)。
8. the manufacture method of hybrid sensor according to claim 7, it is characterized in that: before described two links that O RunddichtringO (8) is set in electric pole type induction electrode (4), be additionally included in the step of described two link coating high temperature resistant waterproof glue。
9. the manufacture method of hybrid sensor according to claim 8, it is characterized in that: the holding wire (7) on described Electric field induction electrode (5) and electric pole type induction electrode (4) is each along from rear outer tube (6) to the direction of first section of outer tube (3), and penetrates the described lid (1) that seals and extend to outside。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310294609.XA CN103398755B (en) | 2013-07-12 | 2013-07-12 | A kind of hybrid sensor and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310294609.XA CN103398755B (en) | 2013-07-12 | 2013-07-12 | A kind of hybrid sensor and preparation method thereof |
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| CN103398755A CN103398755A (en) | 2013-11-20 |
| CN103398755B true CN103398755B (en) | 2016-06-22 |
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| CN203024822U (en) * | 2012-10-17 | 2013-06-26 | 浙江无限新能源股份有限公司 | Extensible water level sensor |
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2013
- 2013-07-12 CN CN201310294609.XA patent/CN103398755B/en not_active Expired - Fee Related
Patent Citations (6)
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|---|---|---|---|---|
| US6433560B1 (en) * | 2001-08-31 | 2002-08-13 | Eaton Corporation | Combined fluid condition monitor and fluid level sensor |
| JP2004233236A (en) * | 2003-01-31 | 2004-08-19 | Ngk Spark Plug Co Ltd | Temperature sensor and its manufacturing method |
| CN201203482Y (en) * | 2008-05-09 | 2009-03-04 | 山东桑乐太阳能有限公司 | Water temperature and water level sensor |
| CN202471180U (en) * | 2011-12-30 | 2012-10-03 | 惠州市卓耐普智能技术有限公司 | Protective sensor with integrally formed conductive electrode |
| CN102589723A (en) * | 2012-03-15 | 2012-07-18 | 惠州市卓耐普智能技术有限公司 | Manufacture method for manufacturing electric field sensor |
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Non-Patent Citations (1)
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| 基于电场成像的液位测量系统的设计与实现;贾殿龙等;《计算机工程与设计》;20060630;第27卷(第12期);全文 * |
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Address after: 516006 Guangdong province Huizhou Zhongkai hi tech Industrial Development Zone No. 54 District Applicant after: Guangdong Zonopo Intelligent Co., Ltd. Address before: 516006 Guangdong province Huizhou Zhongkai hi tech Industrial Development Zone No. 54 District Applicant before: ZONOPO Intelligent Technologies Co., Ltd. |
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