CN109884169A - A kind of multifunctional oil detection device and its making method - Google Patents
A kind of multifunctional oil detection device and its making method Download PDFInfo
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- CN109884169A CN109884169A CN201910252034.2A CN201910252034A CN109884169A CN 109884169 A CN109884169 A CN 109884169A CN 201910252034 A CN201910252034 A CN 201910252034A CN 109884169 A CN109884169 A CN 109884169A
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- 238000001514 detection method Methods 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 6
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 46
- 239000003921 oil Substances 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 230000001939 inductive effect Effects 0.000 claims description 36
- 230000005284 excitation Effects 0.000 claims description 9
- 230000005291 magnetic effect Effects 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 claims 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims 1
- -1 polydimethylsiloxane Polymers 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003745 diagnosis Methods 0.000 abstract 1
- 125000004122 cyclic group Chemical group 0.000 description 32
- 239000007788 liquid Substances 0.000 description 22
- 239000003990 capacitor Substances 0.000 description 12
- 239000010720 hydraulic oil Substances 0.000 description 10
- 239000002245 particle Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000003344 environmental pollutant Substances 0.000 description 7
- 239000013528 metallic particle Substances 0.000 description 7
- 231100000719 pollutant Toxicity 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 230000005294 ferromagnetic effect Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229920005573 silicon-containing polymer Polymers 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
本发明提供一种多功能油液检测装置及其制作方法，包括传感装置、检测功能切换单元以及激励‑检测单元；传感装置主要由锥形流道入口、流道、传感单元、基底、模型材料和流道出口组成；传感装置通过模型材料固定在基底上，流道一端设置有锥形流道入口，另一端设置有流道出口；传感单元主要由平面电感线圈和环状硅钢片组成，平面电感线圈和环状硅钢片紧密贴合，流道从平面电感线圈和环状硅钢片的中心孔垂直穿过；检测功能切换单元根据需要对电感、电阻和电容三种检测功能进行随意切换。本发明检测装置相比可实现同种检测效果的检测装置，降低了装置的复杂性以及制作成本；为机器设备进行油液快速检测提供了新的方法，实现对机器设备进行故障诊断。
The invention provides a multifunctional oil detection device and a manufacturing method thereof, comprising a sensing device, a detection function switching unit and an excitation-detection unit; the sensing device mainly consists of a conical flow channel inlet, a flow channel, a sensing unit, a substrate , model material and flow channel outlet; the sensing device is fixed on the substrate through the model material, one end of the flow channel is provided with a conical flow channel inlet, and the other end is provided with a flow channel outlet; the sensing unit is mainly composed of a planar inductance coil and a ring-shaped It is composed of silicon steel sheets, the planar inductor coil and the annular silicon steel sheet are closely attached, and the flow channel passes through the center hole of the planar inductor coil and the annular silicon steel sheet vertically; the detection function switching unit can detect three detection functions of inductance, resistance and capacitance according to needs. Switch at will. Compared with the detection device that can achieve the same detection effect, the detection device of the present invention reduces the complexity of the device and the manufacturing cost; provides a new method for the rapid detection of oil in machinery and equipment, and realizes fault diagnosis of machinery and equipment.
Description
Technical field
The present invention relates to equipment oil system fault detection technique fields, specifically, more particularly to a kind of Multifunctional oil
Liquid detection device and preparation method thereof.
Background technique
Hydraulic system fault is mainly as caused by the pollution of hydraulic oil, and pollutant is mainly derived from hydraulic in hydraulic oil
The pollutant of system internal residual and generation and the pollutant of extraneous intrusion, pollutant are mainly that solid particle, moisture are gentle
Bubble.Detection to pollutant in oil liquid, not only can be with the operating status of accurate evaluation hydraulic system, can also be according to pollutant
Property diagnostic system failure.Current inductance type detection device can only detect the metallic particles in hydraulic oil, and capacitor
Formula detection device then can in hydraulic oil water droplet and bubble detect, resistance-type can be to the metallic particles and gold in hydraulic oil
Belong to oxide to be detected.Such as to carry out complete detection to metallic particles, metal oxide, water droplet and bubble, then need
Three kinds of inductance type, condenser type and resistance-type detection devices are set in same equipment, and this considerably increases the complexity of detection device
And improve equipment cost.
Summary of the invention
In order to solve the above problem of the prior art, the present invention provides a kind of multi-functional oil liquid detection device, can both make
For inductance type oil liquid detection device, condenser type oil liquid detection device can also be used as, be also used as resistance-type oil liquid detection dress
It sets, has the characteristics that structure is simple, at low cost.And relatively existing inductance type and condenser type oil liquid detection device, this hair
It is bright that there is higher detection accuracy.
The technological means that the present invention uses is as follows:
A kind of multi-functional oil liquid detection device, including sensing device, detection function switch unit and excitation-detection list
Member；The sensing device is mainly made of tapered runner entrance, runner, sensing unit, substrate, cast material and runner exit；
The sensing device is fixed in substrate by cast material, and described runner one end is provided with tapered runner entrance, and the other end is set
It is equipped with runner exit, centre bore of the runner perpendicular through sensing unit；The detection function switch unit can be as needed
Three kinds of inductance, resistance and capacitor detection functions are arbitrarily switched；
It motivates, and measures in use, the excitation-detection unit applies plane inductive coil in inductance detection function
Inductance signal；Plane inductive coil is applied in resistance detection function and is motivated, and measures resistance signal；In capacitance detecting function
When excitation is applied to plane inductive coil and cyclic annular silicon steel sheet, and measure capacitance signal.
Further, the sensing unit is mainly by plane inductive coil and cyclic annular silicon steel sheet group at the planar inductor
Coil and cyclic annular silicon steel sheet fit closely, and the runner is passed perpendicularly through from the centre bore of plane inductive coil and cyclic annular silicon steel sheet.
Further, the plane inductive coil is formed by enameled wire coiling, and internal coil diameter is 300-2000 microns, enamel-cover
Line line footpath is 50-200 microns, and the number of turns is 20-600 circle, and diameter of bore is 300-2000 microns；The diameter of the runner is 300-
2000 microns.
Further, the diameter of bore of the cyclic annular silicon steel sheet is identical as the diameter of bore of the plane inductive coil, thick
Degree is 50-2000 microns.
Further, the cyclic annular silicon steel sheet can also be replaced by other conductive soft magnetic substances.
The present invention also provides a kind of production methods of multi-functional oil liquid detection device, include the following steps:
S1: by tapered runner portal die, runner mold, the cyclic annular silicon steel sheet fitted closely and plane inductive coil by
Set position is fixed in substrate；By the lead end difference of two lead ends of plane inductive coil and cyclic annular silicon steel sheet
It is welded with insulated conductor；
S2: basad perfusion model material places it in baking oven and is toasted 1 hour with 80 DEG C of temperature, makes model material
Material solidification；
S3: runner mold is extracted out from the cast material being heating and curing, and forms runner；It is another in runner with punch
End punching production runner exit；
The lead end of plane inductive coil and cyclic annular silicon steel sheet: being connect by S4 by insulated conductor with excitation-detection unit,
Apply exchange electric excitation to plane inductive coil and cyclic annular silicon steel sheet, is detected while realization to inductance, capacitor and resistance signal.
Further, the cast material is dimethyl silicone polymer or polymethyl methacrylate.
Compared with the prior art, the invention has the following advantages that
1, multi-functional oil liquid detection device of the invention can by by the combination of plane inductive coil and cyclic annular silicon steel sheet
To realize the function of inductance, capacitor and the detection of resistance Three models in same detection device.
2, multi-functional oil liquid detection device of the invention, plane inductive coil are realized as inductance type detecting element to liquid
The detection of metallic particles in pressure oil；
3, multi-functional oil liquid detection device of the invention, plane inductive coil and cyclic annular silicon steel sheet are to the metal in hydraulic oil
Particle and metal oxide carry out resistance detection；
4, multi-functional oil liquid detection device of the invention, plane inductive coil and cyclic annular silicon steel sheet constitute a capacitor
Device realizes the detection to water droplet in hydraulic oil and bubble using the edge effect of capacitor；
5, multi-functional oil liquid detection device of the invention, the design of cyclic annular silicon steel sheet increase inductance type, condenser type and electricity
The detection accuracy of resistive detection device.
The present invention can be widely popularized in fields such as oil system fault detections based on the above reasons.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is structure diagram of detection device of the present invention.
Fig. 2 is sensing unit structures figure of the present invention.
Fig. 3 is the system diagram of detection device of the present invention and its sensing unit.
Fig. 4 is the inductance detection signal contrast figure to 100-110 microns of iron particles that the present invention realizes.
Fig. 5 is the resistance detection signal contrast figure to 190-200 microns of copper particles that the present invention realizes.
Fig. 6 is the resistance detection signal to 110-120 microns of water droplets and 160-170 micron bubble that apparatus of the present invention are realized
Figure.
In figure: 1, tapered runner entrance；2, runner；3, sensing unit；4, runner exit；5, cast material；6, substrate；7,
Plane inductive coil；8, cyclic annular silicon steel sheet；9, detection function switch unit；10, excitation-detection unit.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.It is real to the description of at least one exemplary embodiment below
It is merely illustrative on border, never as to the present invention and its application or any restrictions used.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be clear that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.Technology known for person of ordinary skill in the relevant, side
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, appointing should be construed as merely illustratively to occurrence, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention: the noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under its device or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
Embodiment
As shown in Figure 1, the present invention provides a kind of multi-functional oil liquid detection device, including sensing device, detection function are cut
Change unit 9 and excitation-detection unit 10；Sensing device mainly by tapered runner entrance 1, runner 2, sensing unit 3, substrate 6,
Cast material 5 and runner exit 4 form.Sensing device is fixed in substrate 6 by cast material 5, and 2 one end of runner is provided with cone
Shape flow channel entry point 1, the other end are provided with runner exit 4, centre bore of the runner 2 perpendicular through sensing unit 3；The diameter of runner 2
It is 300-2000 microns；Detection function switch unit 9 can as needed to three kinds of inductance, resistance and capacitor detection functions carry out with
Meaning switching；In use, the oil liquid with particulate pollutant enters detection device from tapered runner entrance 1, biography is flowed through via runner 2
Feel unit 3, excitation-detection unit 10, which applies plane inductive coil 7 in inductance detection function, to motivate, and measures inductance letter
Number；Plane inductive coil 7 is applied in resistance detection function and is motivated, and measures resistance signal；In capacitance detecting function pair
Plane inductive coil 7 and cyclic annular silicon steel sheet 8 apply excitation, and measure capacitance signal, are finally flowed out again by runner exit 4.
As shown in Fig. 2, sensing unit 3 is mainly made of plane inductive coil 7 and cyclic annular silicon steel sheet 8；Plane inductive coil 7
It is fitted closely with cyclic annular silicon steel sheet 8, runner 2 is passed perpendicularly through from the central hole of plane inductive coil 7 and cyclic annular silicon steel sheet 8.
As a preferred embodiment of the present invention, plane inductive coil 7 is formed by enameled wire coiling, internal coil diameter 300-
2000 microns, enameled wire line footpath is 50-200 microns, and the number of turns is 20-600 circle, and diameter of bore is 300-2000 microns.Cyclic annular silicon
The diameter of bore of steel disc 8 is identical as the diameter of bore of plane inductive coil 7, with a thickness of 50-2000 microns；Cyclic annular silicon steel sheet 8
It can be replaced by other conductive soft magnetic substances.
As shown in figure 3, detection function switch unit 9 can be adjusted according to the required detection function to detection device.When
When oil liquid to be measured passes through sensing unit 3, excitation-detection unit 10 applies alternating current to plane inductive coil 7 and cyclic annular silicon steel sheet 8
Excitation, and inductance, capacitor and resistance signal measured by plane inductive coil 7 and cyclic annular silicon steel sheet 8 are detected, while can be to signal
It is analyzed and processed.
As a preferred embodiment of the present invention, under inductance and resistance detection function, 10 need of excitation-detection unit are given
It is 1-2V that plane inductive coil 7, which applies voltage, and frequency is the high-frequency alternating current of 0.1-4.0MHz.Under inductance detection function, when
When ferromagnetic particle passes through sensing unit 3, since magnetization will generate positive inductance signal pulse, work as non-ferromagnetic debris
When by sensing unit 3, since eddy current effect will generate the inductance signal pulse of negative sense, to realize to the ferromagnetism in oil liquid
The differentiation of particle and non-ferromagnetic debris detects.Under resistance detection function, when metallic particles and metal oxide pass through sensing
When unit 3, positive resistance signal pulse can be generated.
As a preferred embodiment of the present invention, under capacitance detecting function, excitation-detection unit 10 need to be to planar inductor
It is 1-2V that coil 7 and cyclic annular silicon steel sheet 8, which apply voltage, and frequency is the high-frequency alternating current of 0.1-1.0MHz.When water droplet is by sensing
When unit 3, positive capacitance signal pulse will be generated, when bubble passes through sensing unit 3, the capacitance signal arteries and veins of negative sense will be generated
Punching, to realize that the differentiation to water droplet and bubble in oil liquid detects.
As shown in figure 4, the inductance detection comparison diagram to 100-110 microns of iron particles that apparatus of the present invention are realized, and is not added
Inductance detection precision when silicon steel sheet, which has, to be obviously improved.
As shown in figure 5, the resistance detection comparison diagram to 190-200 microns of copper particles that apparatus of the present invention are realized, and is not added
Resistance detection precision when silicon steel sheet, which has, to be obviously improved.
As shown in fig. 6, the capacitor to 110-120 microns of water droplets and 160-170 micron bubble that apparatus of the present invention are realized is examined
Survey signal graph.
Apparatus of the present invention fit closely cyclic annular silicon steel sheet 8 with plane inductive coil 7, and runner 2 is from plane inductive coil 7
Centre bore perpendicular through.Plane inductive coil 7 is used as inductance type detecting element, detects to the metallic particles in hydraulic oil；
Plane inductive coil 7 and cyclic annular silicon steel sheet 8 can be to the metallic particles and metal oxide progress resistance detection in hydraulic oil；It is flat
Face inductance coil 7 and cyclic annular silicon steel sheet 8 can form a capacitor, using the edge effect of capacitor to the water droplet in hydraulic oil
It is detected with bubble；Meanwhile the design of cyclic annular silicon steel sheet 8 also increases inductance type, condenser type and resistance-type detection device
Detection accuracy.
The present invention also provides a kind of production methods of multi-functional oil liquid detection device, include the following steps:
S1: by tapered runner portal die, runner mold, the cyclic annular silicon steel sheet fitted closely and plane inductive coil by
Set position is fixed in substrate；By the lead end difference of two lead ends of plane inductive coil and cyclic annular silicon steel sheet
It is welded with insulated conductor；
S2: basad perfusion model material places it in baking oven and is toasted 1 hour with 80 DEG C of temperature, makes model material
Material solidification；
S3: runner mold is extracted out from the cast material being heating and curing, and forms runner；It is another in runner with punch
End punching production runner exit；
The lead end of plane inductive coil and cyclic annular silicon steel sheet: being connect by S4 by insulated conductor with excitation-detection unit,
Apply exchange electric excitation to plane inductive coil and cyclic annular silicon steel sheet, while can realize the inspection to inductance, capacitor and resistance signal
It surveys.
As a preferred embodiment of the present invention, cast material be dimethyl silicone polymer or polymethyl methacrylate,
The material of substrate is glass or other are heated and are unlikely to deform material.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (7)
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| CN109884169B CN109884169B (en) | 2021-10-22 |
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Cited By (2)
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| CN112986376A (en) * | 2021-02-05 | 2021-06-18 | 大连海事大学 | High-gradient magnetic field inductive reactance type oil liquid detection device and manufacturing method thereof |
| CN113267540A (en) * | 2021-04-28 | 2021-08-17 | 大连海事大学 | Embedded high gradient magnetic field oil multi-pollutant detection device |
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| Publication number | Publication date |
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| CN109884169B (en) | 2021-10-22 |
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