CN206399767U - Product remnants degreaser detection means - Google Patents
Product remnants degreaser detection means Download PDFInfo
- Publication number
- CN206399767U CN206399767U CN201621488437.5U CN201621488437U CN206399767U CN 206399767 U CN206399767 U CN 206399767U CN 201621488437 U CN201621488437 U CN 201621488437U CN 206399767 U CN206399767 U CN 206399767U
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- Prior art keywords
- degreaser
- detection
- grid
- housing
- detection means
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Abstract
The utility model discloses a kind of remaining degreaser detection means of product, including housing, the housing is provided with multistage detection grid, every grade of detection grid has monovalent diameter, the equivalent diameter of the detection grid not at the same level is different, handle is additionally provided with the housing, and the handle is located at the outside of the housing.The remaining degreaser detection means of the product, by setting the multistage detection grid with different equivalent diameters on housing, can be according to detection grid carrying liquid film size capability and the relation of oil removing agent concentration, obtain the equivalent diameter and the relation of oil removing agent concentration of detection grid not at the same level, by the maximum detection grid for observing film forming in the remaining degreaser detection means of the product, obtain the equivalent diameter that the maximum detects grid, it can obtain the concentration of remaining degreaser in rinse water, and then can judge whether plating piece surface residual degreaser is qualified according to the concentration levels that degreaser is remained in rinse water, accuracy of judgement.
Description
Technical field
The utility model is related to degreaser detection technique field, more particularly to a kind of remaining degreaser detection means of product.
Background technology
It is firm in order to deposit one layer of combination in substrate surface in plating, chemical plating or PC board fabricating processes
Coating, such as metallic copper, nickel, gold, silver, tin and nonmetallic OSP films, general matrix can pass through oil removing and micro- before deposited plating layer
Etching pretreatment so that plating piece substrate can produce good adhesive force.Wherein, oil removing is the table using acid or alkaline system
Face activity degreaser cleans up the grease on plating piece surface.After degreaser cleans the grease on plating piece surface, degreaser meeting
Absorption is on plating piece surface, it is necessary to through multistage overflow soaking and water washing, be dissolved degreaser and be transferred in water.When the remnants of plating piece are removed
When finish is excessive, it is likely to result in coating and the influences such as abnormal, electrolysis side effect occurs.Therefore, plating and PCB industries are to degreaser
The monitoring of concentration, is the important indicator that production process ensures product reliability.Traditional, general only measurement is removed to remove in oil cylinder
The content of finish judges whether the remaining degreaser of plating piece meets production requirement, and so whether meeting production requirement to product sentences
It is disconnected not accurate enough.
Utility model content
Based on this, it is necessary to provide a kind of product remaining degreaser detection means, product remnants degreaser detection means
Oil removing agent concentration remaining in rinse water can be detected, can interpolate that whether the remaining degreaser of product is qualified, and accuracy of judgement.
Its technical scheme is as follows：
A kind of remaining degreaser detection means of product, including housing, the housing is provided with multistage detection grid, every grade of institute
Stating detection grid has monovalent diameter, and the equivalent diameter of the detection grid not at the same level is different, on the housing also
Provided with gripping handle, and the handle is located at the outside of the housing.
In one of the embodiments, in every grade of detection grid, the detection grid is at least two.
In one of the embodiments, the detection grid is square or isosceles triangle.
In one of the embodiments, the housing is described in the n grades of detection grids provided with n grades of detection grids
The minimum equivalent diameter for detecting grid is D1, and the equivalent diameter of other grades of the detection grid is increased successively with Geometric Sequence 2n
Greatly, wherein, n >=3.
In one of the embodiments, the n=10-20.
In one of the embodiments, the detection grid is interweaved by hard material forms.
In one of the embodiments, corresponding work as is respectively equipped with the hard material at the detection grid of respective stages
Measure diameter value mark.
In one of the embodiments, the multistage detection grid is arranged on the inner side of the housing.
The beneficial effects of the utility model are：
General, degreaser is surfactant, and it has hydrophilic and oleophylic performance, when oil removing agent concentration faces less than it
During boundary's micellar concentration (CMC), the degreaser aqueous solution in atmosphere film forming when, the concentration of degreaser is lower, and film forming ability is weaker, into
The diameter of film is smaller；Conversely, the concentration of degreaser is higher, film forming ability is stronger, and the diameter of film forming is bigger.The product remnants are removed
Finish detection means, using the variation tendency principle of above-mentioned degreaser film forming ability, has different work as by being set on housing
The multistage detection grid of diameter is measured, can be obtained not according to detection grid carrying liquid film size capability and the relation of oil removing agent concentration
The equivalent diameter and the relation of oil removing agent concentration of detection grid at the same level, when being detected to degreaser in rinse water, this is produced
Product remnants degreaser detection means can be put into rinse water, and the remaining degreaser detection dress of the product is observed after dipping and proposing
The maximum detection grid of middle film forming is put, the equivalent diameter that the maximum detects grid is obtained, remaining degreaser in rinse water is can obtain
Concentration, and then can according in rinse water remain degreaser concentration levels judge whether plating piece surface residual degreaser qualified,
Accuracy of judgement.In addition, by setting handle on housing, and handle is located to the outside of housing, operator can hold from outside
Hold the handle to be operated, simple operation.
Brief description of the drawings
Fig. 1 is the structural representation of the remaining degreaser detection means of product described in the utility model embodiment.
Description of reference numerals：
100th, housing, 200, detection grid, 210, the first order detection grid, 220, the second level detection grid, the 230, the 3rd
Level detection grid, 240, fourth stage detection grid, 250, n-th grade of detection grid, 300, handle.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Better embodiment of the present utility model is given in accompanying drawing.But, the utility model can come in many different forms
Realize, however it is not limited to embodiments described herein.On the contrary, the purpose for providing these embodiments is to make to this practicality newly
It is more thorough comprehensive that the disclosure of type understands.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element be referred to as " directly existing " another element " on " when,
In the absence of intermediary element.Term as used herein " vertically ", " level ", "left", "right" and similar statement are
For illustrative purposes, it is unique embodiment to be not offered as.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " bag
Include the arbitrary and all combination of one or more related Listed Items.
As shown in figure 1, a kind of remaining degreaser detection means of product, including housing 100.The housing 100 is provided with more
Level detection grid 200.Every grade of detection grid 200 has monovalent diameter, the equivalent of the detection grid 200 not at the same level
Diameter is different, and handle 300 is additionally provided with the housing 100, and the handle 300 is located at the outside of the housing 100.This
In embodiment, equivalent diameter refers to the area equivalent of corresponding single detection grid 200 corresponding straight during for round area
Footpath size.For the ease of signal in Fig. 1, first order detection grid 210, second level detection grid 220, third level inspection have been marked out
Survey grid lattice 230, fourth stage detection grid 240 ... n-th grade of detection grid 250.
General, degreaser is surfactant, and it has hydrophilic and oleophylic performance, when oil removing agent concentration faces less than it
During boundary's micellar concentration (CMC), the degreaser aqueous solution in atmosphere film forming when, the concentration of degreaser is lower, and film forming ability is weaker, into
The diameter of film is smaller；Conversely, the concentration of degreaser is higher, film forming ability is stronger, and the diameter of film forming is bigger.The product remnants are removed
Finish detection means, using the variation tendency principle of above-mentioned degreaser film forming ability, has difference by being set on housing 100
The multistage detection grid 200 of equivalent diameter, can be according to detection grid 200 carrying liquid film size capability and the pass of oil removing agent concentration
System, obtains the equivalent diameter and the relation of oil removing agent concentration of detection grid 200 not at the same level, degreaser in rinse water is examined
During survey, the remaining degreaser detection means of the product is put into rinse water, the remaining oil removing of the product is observed after dipping and proposing
The maximum detection grid 200 of film forming, obtains the equivalent diameter that the maximum detects grid 200, can correspond to and obtain in agent detection means
The concentration of remaining degreaser in rinse water, and then can judge that plating piece surface is residual according to the concentration levels that degreaser is remained in rinse water
Whether remaining degreaser is qualified, accuracy of judgement.In addition, by setting handle 300 on housing 100, and handle 300 is located at housing
100 outside, operator can grip the handle 300 from outside and be operated, simple operation.The set-up mode of handle is not limited to
This, can also be arranged on upside, downside or inner side of housing 100 etc., can also realize holding function.
In the present embodiment, the equivalent diameter of detection grid 200 not at the same level can use real with the relation of oil removing agent concentration
The method tested is obtained.A series of rinse waters containing various concentrations degreaser can be such as prepared, then by the product of the present embodiment
Remaining degreaser detection means is respectively put into this series of rinse water, obtains the maximum of the film forming corresponding to each rinse water
The equivalent diameter of grid 200 is detected, and then obtains detecting relation of the equivalent diameter with oil removing agent concentration of grid 200.It is not at the same level
Detection grid 200 equivalent diameter and oil removing agent concentration Relation acquisition method not limited to this, it would however also be possible to employ other manner
Obtain.
The concrete operating principle of the remaining degreaser detection means of product described in the present embodiment is：Degreaser is generally surface
Activating agent, with hydrophilic group and lipophilic group, possesses hydrophilic and oleophylic performance.Surfactant is between gas-liquid, liquid-solid boundary
Enrichment, hydrophilic group is arranged towards water side positioning, and lipophilic group is arranged towards air or plating piece surface orientation.Degreaser is mainly by reducing water
Surface tension, distinguished by the orientation of both hydrophilic group and lipophilic group, the lipid solubilization on plating piece surface be transferred in water body,
When being dissolved with degreaser in water, waved in physics and will appear from a large amount of bubble chamber films with air-blowing effect.Due to surfactant
Critical micell effect, when surfactant concentration is more than CMC value, the surface tension of water tends towards stability.And work as surfactant
When concentration is less than critical micelle concentration (CMC, critical micelle concentration), aqueous surfactant solution exists
Film forming in air, is interacted by internal stress and moisture film the gravity in itself of moisture film, because the thickness of moisture film is certain, surface-active
The concentration of agent is lower, and film forming ability is poorer, and the equivalent diameter of water film forming in the remaining degreaser detection means of the product is smaller；Instead
It, the concentration of surfactant is higher, and film forming ability is better, the equivalent of water film forming in the remaining degreaser detection means of the product
Diameter is also bigger.
In the present embodiment, in every grade of detection grid 200, the detection grid 200 is at least two.Using above-mentioned
Set, the detection grid 200 with a certain equivalent diameter is at least two, be easy to observation, can further improve the accurate of test
Property.During actual design, settable less, the less detection of equivalent diameter of the larger quantity for detecting grid 200 of equivalent diameter
It is more that the quantity of grid 200 can be set, it is considered to the film forming ability of the rinse water of different oil removing agent concentrations, is realizing rationally arrangement
On the basis of, it can further improve the accuracy of test.
In the present embodiment, the detection grid 200 is square or isosceles triangle.By the way that detection grid 200 is set
For square or isosceles triangle, it is easy in every grade of detection grid 200, the arrangement of at least two detection grids 200, adjacent inspection
Adjacent side can be shared between survey grid lattice 200, and then improves the compactedness of arrangement, can arrange more on a certain size housing 100
The detection grid 200 of series, in every grade of detection grid 200, can also arrange greater number of detection grid 200, improve empty
Between utilization rate, improve detection accuracy.In the present embodiment, the multistage detection grid 200 is evenly distributed on the housing 100
Inside, simple in construction, characteristics of compact layout is easy to operate.
Further, the housing 100 is provided with n grades of detection grids 200.It is described in the n grades of detection grids 200
The minimum equivalent diameter for detecting grid 200 is D1, the equivalent diameter of other grades of the detection grid 200 is with Geometric Sequence 2nAccording to
Secondary increase.Wherein, n >=3.Using above-mentioned setting, the equivalent diameter for detecting grid 200 not at the same level is with Geometric Sequence 2nIncrease successively
Greatly so that the remaining degreaser detection means of the product of the present embodiment can be corresponded to preferably in actual production in most rinse water
Residual oil removing agent concentration, and then while reasonable design detection 200 series of grid, can realize to the residual in rinse water
The Concentration Testing of degreaser.
In the present embodiment, the n=10-20 is capable of detecting when that the residual in actual production in most rinse water is removed
Oil concentration, and the detection grid 200 of excessive series need not be set, simplify the structure of the remaining degreaser detection means of product, drop
Low production cost.
The detection grid 200 is interweaved by hard material to be formed, easily manufactured.In the present embodiment, the hard material can
Think metal material such as stainless steel, filled gold etc., or insoluble plastic material etc..In correspondence on the hard material
Corresponding equivalent diameter value mark is respectively equipped with the detection grid 200 of level.By distinguishing at the detection grid 200 of respective stages
Corresponding equivalent diameter value is set to identify, when the detection grid 200 for observing film forming in the remaining degreaser detection means of the product
Afterwards, it is easy to directly read equivalent diameter value, it is easy to operate.Equivalent diameter value mark can be printed on detection net using mode of printing
On lattice.
In the present embodiment, the multistage detection grid 200 is arranged on the inner side of the housing 100 so that the present embodiment
The good integrity of product remnants degreaser detection means, operation more facilitates.
Traditional, plating and monitoring of the PCB industries to oil removing agent concentration are general to use infrared spectroscopy or titration
To measure except liquid medicine content in oil cylinder, to drag-out in rinse water after oil removing and unmeasured.The degreaser quilt taken out of due to plating piece
After thousands of times of dilution, the residual oil removing thing concentration dissolved in rinse water is very low, and by other such as the factor shadow for hydrolyzing, ionizing
Ring, the concentration of degreaser can not be measured with titration in weak solution rinse water, do not detect that residual degreaser is dense in rinse water
The appropriate device of degree.The remaining degreaser detection means of the product of the present embodiment, the film forming ability using degreaser various concentrations is poor
It is different, by using carrying liquid film size (weight) ability and the relation of oil removing agent concentration, it have devised on housing 100 with not
With the multistage detection grid 200 of equivalent diameter, available for the concentration that degreaser is remained in detection rinse water, and according in rinse water
The concentration levels of residual degreaser judge whether plating piece surface residual degreaser is qualified.The remaining degreaser detection means of the product
Be particularly suitable for use in the detection of residual ion type surface-active oil removing agent concentration in the rinse water in PCB processing procedures after oil removing, certainly,
It can be used for detecting the surface-active oil removing agent concentration in other solution, such as except degreaser Concentration Testing in oil cylinder.
The specifically used method of the remaining degreaser detection means of the product of the present embodiment may be referred to as follows：
S1：A series of rinse water A containing various concentrations degreaser are prepared, for example, it is molten to configure a series of degreasers
Liquid 1 drips/100mL running water, 2 drops/100mL running water, 5 drops/100mL running water, the 10 drops/drop of 100mL running water ... 200/
100mL running water etc..A series of plating piece samples are respectively put into corresponding rinse water A.Plating piece sample is taken out, plating piece sample is judged
Whether product surface residual degreaser qualified, obtain just occur it is corresponding clear when the remaining degreaser of plating piece sample surfaces is unqualified
Wash water B.Using the step, rinse water corresponding when just plating piece sample surfaces remnants degreasers are unqualified can be obtained.
S2：The remaining degreaser detection means of the product is put into rinse water B, dips after proposition, was observed in 30 seconds
The maximum detection grid 200 of film forming, records maximum detection grid 200 corresponding in the remaining degreaser detection means of the product
Equivalent diameter is Dmax.Using the step, corresponding when just plating piece sample surfaces remnants degreasers are unqualified work as can be obtained
Measure diameter Dmax。
S3：The remaining degreaser detection means of the product is put into the rinse water after actual production oil removing.Dip proposition
Afterwards, the maximum detection grid 200 of film forming in the remaining degreaser detection means of the product was observed in 30 seconds, maximum inspection is recorded
The equivalent diameter of survey grid lattice 200 is D0.Work as D0≥DmaxWhen, degreaser is exceeded in rinse water, and plating piece product surface degreaser is remaining
It is unqualified to continue to clean, it is necessary to supplement new water；Work as D0<DmaxWhen, degreaser is not exceeded, and plating piece product surface degreaser remnants are closed
Lattice, meet production requirement.Using the step, the equivalent diameter D corresponding to the rinse water after actual production oil removing can detect that0,
Compare D0With Dmax, judge that plating piece product surface degreaser remnants are qualified.Assuming that Dmax=8mm, if the D measured0During=32mm, say
Degreaser is exceeded in Ming and Qing wash water, and plating piece product surface degreaser remnants are unqualified, need to supplement new water；If if the D measured0=
During 2mm, illustrate that degreaser is not exceeded in rinse water, plating piece product surface degreaser remnants are qualified.
In the present embodiment, the rinse water after the actual production oil removing is the afterbody cleaning after actual production oil removing
Water, that is, produce the afterbody rinse water carried out after oil removing after multistage overflow soaking and water washing.For a certain specific degreaser,
Can be by the CMC value of the conductivity meter test analysis degreaser.General, degreaser reaches corresponding electrical conductivity during CMC value
For 100-500mS/cm.When degreaser residual concentration is relatively low (electrical conductivity is 200 μ S/cm or so), rinse water is acted in air-blowing
Under can produce a large amount of bubbles.Electrical conductivity is washed in actual production, after general control oil removing in hundreds of μ S/cm concentration.Therefore,
In actual monitored, it is only necessary to using the afterbody rinse water after the remaining degreaser detection means detection oil removing of the product into
Film ability, you can accurate to judge whether plating piece product surface degreaser remnants meet production requirement.
Specifically, judging plating piece sample surfaces, remaining whether degreaser is satisfactory concretely comprises the following steps：Using continuous water
Embrane method is determined, and observes the moisture state of the rinse water of plating piece sample surfaces.If the moisture film of plating piece sample surfaces did not went out in 30 seconds
Now cutout, the globule and without hydroplaning, then the remaining degreaser of plating piece sample surfaces is qualified；If the moisture film of plating piece sample surfaces is 30
Occur cutout, the globule in second or without hydroplaning, then the remaining degreaser of plating piece sample surfaces is unqualified.By using continuous moisture film
Method assay method judges whether the remaining degreaser of plating piece sample surfaces meets the requirements, easy to operate.
The plating piece sample is square.The length of the plating piece sample is 8cm-15cm, preferably 10cm.The plating piece sample
The width of product is 8cm-15cm, preferably 10cm.Plating piece is used to the size of above range, it is ensured that plating piece sample size is not
It is especially big, and then it is easy to observer to carry out comprehensive Scanning Detction to plating piece surface in 30 seconds, prevent missing inspection and show
As.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (8)
1. the remaining degreaser detection means of a kind of product, it is characterised in that including housing, the housing is provided with multistage detection net
Lattice, every grade of detection grid has monovalent diameter, and the equivalent diameter of the detection grid not at the same level is different, described
Handle is additionally provided with housing, and the handle is located at the outside of the housing.
2. the remaining degreaser detection means of product according to claim 1, it is characterised in that in every grade of detection grid
In, the detection grid is at least two.
3. the remaining degreaser detection means of product according to claim 2, it is characterised in that the detection grid is pros
Shape or isosceles triangle.
4. the remaining degreaser detection means of product according to claim 1, it is characterised in that the housing is provided with n grades
Grid is detected, in the n grades of detection grids, the minimum equivalent diameter of the detection grid is D1, other grades of the detection
The equivalent diameter of grid is with Geometric Sequence 2nIncrease successively, wherein, n >=3.
5. the remaining degreaser detection means of product according to claim 4, it is characterised in that the n=10-20.
6. the remaining degreaser detection means of product according to claim any one of 1-5, it is characterised in that the detection net
Lattice are interweaved by hard material to be formed.
7. the remaining degreaser detection means of product according to claim 6, it is characterised in that right on the hard material
Answer and corresponding equivalent diameter value mark is respectively equipped with the detection grid of level.
8. the remaining degreaser detection means of product according to claim any one of 1-5, it is characterised in that the multistage inspection
Survey grid lattice are arranged on the inner side of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621488437.5U CN206399767U (en) | 2016-12-30 | 2016-12-30 | Product remnants degreaser detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621488437.5U CN206399767U (en) | 2016-12-30 | 2016-12-30 | Product remnants degreaser detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206399767U true CN206399767U (en) | 2017-08-11 |
Family
ID=59516656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621488437.5U Expired - Fee Related CN206399767U (en) | 2016-12-30 | 2016-12-30 | Product remnants degreaser detection means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206399767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738341A (en) * | 2019-02-27 | 2019-05-10 | 广州肖宁道路工程技术研究事务所有限公司 | Core sample grading analysis device and method |
-
2016
- 2016-12-30 CN CN201621488437.5U patent/CN206399767U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738341A (en) * | 2019-02-27 | 2019-05-10 | 广州肖宁道路工程技术研究事务所有限公司 | Core sample grading analysis device and method |
| CN109738341B (en) * | 2019-02-27 | 2024-04-26 | 广州肖宁道路工程技术研究事务所有限公司 | Core sample grading analysis method |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170811 Termination date: 20211230 |