CN106568704A - Simulated measuring device for corrosion rate of pole plate of lead-acid storage battery - Google Patents
Simulated measuring device for corrosion rate of pole plate of lead-acid storage battery Download PDFInfo
- Publication number
- CN106568704A CN106568704A CN201611005605.5A CN201611005605A CN106568704A CN 106568704 A CN106568704 A CN 106568704A CN 201611005605 A CN201611005605 A CN 201611005605A CN 106568704 A CN106568704 A CN 106568704A
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- Prior art keywords
- electrode
- plate
- electrolytic cell
- electrolyte
- corrosion rate
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/02—Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
Abstract
The invention discloses a simulated measuring device for the corrosion rate of the pole plate of a lead-acid storage battery. The device is composed of an electrolytic tank, a sealing member, a press plate, a bolt, a research electrode, and electrolyte. The electrolytic tank is a horizontal cylindrical container for storing electrolyte, the top of the cylinder is provided with an electrolyte filling hole, a hole for inserting a reference electrode, and a hole for inserting an auxiliary electrode. The middle part of the lateral plate of the electrolyte tank is provided with an axial through hole for installing the research electrode. The research electrode is externally arranged in the axial through hole in the lateral plate of the electrolyte tank and is locked by the press plate and the bolt. Only one surface with a fixed area of the research electrode directly contacts with the electrolyte; on one aspect, the corroded area is definite, on the other aspect, no adjunct exists on other surfaces of the research electrode, the electrode will not be absorbed by the adjunct, and the problem that the weight loss is not accord with the actual corrosion quantity is solved. The provided device can precisely obtain the weight loss of the research electrode and thus the accuracy of measured corrosion rate is high.
Description
Technical field
The present invention relates to a kind of electro-chemical measuring apparatus, in particular it relates to a kind of be used for lead acid accumulator pole
The analogue measurement device of plate corrosion rate, the technical scheme of the device belongs to electrochemical measuring technology field.
Background technology
The pole plate of lead-acid accumulator is combined by metal grid and lead plaster, and pole plate is immersed in lead acid storage battery pool structure
Electrochemical reaction is produced among dilute sulfuric acid electrolyte.So, metal corrosion be cause polar plate of lead acid storage battery fail it is main
One of factor.In order to further grasp product quality, it is necessary to note the metal component of configuration in product in dilute sulfuric acid electrolyte
In corrosion rate, in the industry generally simulate lead-acid accumulator structure and principle do this measurement.Electrode in the device is adopted
Connect a wire outside metal block, then only stay a bright and clean plane, remaining outer wall all applies outward epoxy resin, treats outer painting
Epoxy resin cure after be precisely weighed, this simulation electrode is then placed to the container for storing dilute sulfuric acid electrolyte
In, electrochemical reaction is made under specified experimental condition, test is finished and pull out in time simulation electrode, simulation electrode Jing corroded
Clean and be also carried out being precisely weighed after drying, by contrasting the weight difference weighed twice metal corrosion rate is calculated.It is existing
There are the electro-chemical measuring apparatus that technology is a kind of simulation institute sounding lead acid accumulator, this apparatus structure is simple, measuring method correct, survey
Amount condition is less demanding, convenient to carry out, can objectively reflect electrode corrosion situation.But, prior art certainty of measurement is too low,
It is difficult to true reflection and surveys weight loss of the electrode under rated condition, that is to say, that can not accurately measures corrosion rate.Jing is analyzed,
The main cause for affecting prior art certainty of measurement is that metal block applies outward epoxy resin and there is molecular gap, is adsorbed in immersion
Micro dilute sulfuric acid electrolyte, causes weighing results inconsistent with actual weight loss.It can be said that, prior art is not reached accurately
Measurement request, the device for measuring properties of uncomfortable cooperation lead-acid accumulator batch production.
The content of the invention
Present invention is generally directed to prior art certainty of measurement is low, it is impossible to accurately reflect the problem of surveyed electrode corrosion situation,
Propose the high mould for polar plate of lead acid storage battery corrosion rate of a kind of advanced method, simple structure, easy to operate, certainty of measurement
Intend measurement apparatus.The corrosion rate of the device energy accurate measurement polar plate of lead acid storage battery under different anode potentials.
The present invention is achieved through the following technical solutions technical goal.
For the analogue measurement device of polar plate of lead acid storage battery corrosion rate, it by electrolytic cell, seal, pressing plate, bolt,
Electrode and electrolyte are constituted, and the electrolytic cell is prone position drum ladle, and the both sides of cylinder are supported respectively by rectangular side panels,
Cylinder outer wall top along axis direction uniform three through holes for extending radially through barrel, one end through hole as electrolyte hand-hole,
Other end through hole is used to assign reference electrode, through hole placed in the middle to be used to assign auxiliary electrode, electrolytic cell to have the rectangular side panels of side
Middle part is provided with axially extending bore.The seal is O-ring seal.It is theed improvement is that：The Electrode is one piece of plate face
More than the metal plate that axially extending bore is reserved on electrolytic cell side plate, the positive and negative surfacing of Electrode of uniform thickness is bright and clean, research
Electrode is placed at the axially extending bore on electrolytic cell side plate, between Electrode and the axially extending bore faying face of electrolytic cell side plate
Seal is provided with, is mutually connected by bolt and electrolytic cell pairing side plate by the pressing plate of Electrode with plane, thus composition grinds
Study carefully electrode and only have the structure that end face electrolysis liquid phase built-in with electrolytic cell is contacted.
Used as further improvement project, the Electrode is a kind of metal rectangular panel blocks or metal circle plate.
Used as further improvement project, the electrolytic cell and pressing plate are manufactured with pmma material.
Used as further improvement project, the axially extending bore on the electrolytic cell side plate is circular hole, and internal diameter is 20mm.
Used as further improvement project, the seal is the O-shaped rubber ring of material fluorubber, and its internal diameter is 20mm.
Used as further improvement project, the electrolyte is the dilute sulfuric acid of concentration 40%～45%.
The present invention compared with prior art, has the positive effect that：
1st, electrochemistry three-electrode system simple structure, the processing ease of electrolytic cell configuration；
2nd, the electrochemistry three-electrode system of lead-acid accumulator, measuring condition and the interior electricity for occurring of entity lead-acid accumulator are directly simulated
Chemical reaction is almost identical, it is possible to making Electrode corrosion rate confirmatory measurement under different anode potentials；
3rd, Electrode is placed on electrolytic cell side plate, loads and unloads convenient, sealed reliable.
4th, Electrode only has the surface of a fixed-area directly and electrolyte contacts, and on the one hand the structure accomplishes research electricity
Pole be corroded area determination, on the other hand guarantee other surfaces of Electrode without any adjunct, be provided with completely adjunct suction
The possibility of attached electrolyte, it is to avoid the weightless problem not corresponded with actual etching extent, is conducive to accurate measurement corrosion rate.
Description of the drawings
Fig. 1 is present configuration schematic top plan view, and each part is in the shape that scatters in figure.
Fig. 2 is the schematic front view of Fig. 1, and each assembling parts are in one in figure.
Fig. 3 is the schematic side view of Fig. 2.
Specific embodiment
Below according to accompanying drawing and in conjunction with the embodiments, the invention will be further described.
The analogue measurement device for polar plate of lead acid storage battery corrosion rate shown in Fig. 1, it is by electrolytic cell 1, seal
2nd, pressing plate 3, bolt 4, Electrode 5 and electrolyte 6 are constituted.The electrolytic cell 1 is the main component of analogue measurement device, and it is used
Can resistance to sulfuric acid again transparent with the manufacture of machine glass material.Electrolytic cell 1 in the present invention is prone position drum ladle, in the present embodiment
The electrolyte 6 of storage is the dilute sulfuric acid of concentration 41%.Laterally horizontally-arranged cylinder both sides are supported respectively with rectangular side panels, rectangular side
Plate is easy to analogue measurement device steadily to put.Cylinder outer wall top uniform three through holes for extending radially through barrel of suitable axis direction,
Through hole 1.1 positioned at left end is used to assign reference electrode as the hand-hole of electrolyte 6 positioned at the through hole 1.3 of right-hand member, placed in the middle
Through hole 1.2 is used to assign auxiliary electrode.The right rectangular side plate middle part of electrolytic cell 1 is provided with axially extending bore 1.4, the present embodiment axial direction
Through hole 1.4 is circular hole, and internal diameter is 20mm.The seal 2 is O-ring seal, and the present embodiment is strong from decay resistance, elasticity
Foot, the fluorubber matter O-ring seal of good sealing effect, the O-ring seal internal diameter of the present embodiment application is also 20mm.The research
Electrode 5 is measured piece, part regular shape, any surface finish, and plate face is more than what is reserved on the right rectangular side plate of electrolytic cell 1
Axially extending bore 1.4.Electrode 5 in the present embodiment is one piece of rectangle metal plate, the positive and negative surface of Electrode 5 of uniform thickness
Smooth bright and clean, Electrode 5 is placed at axially extending bore 1.4 preset on the right rectangular side plate of electrolytic cell 1.In order to ensure research
Electrode 5 is sealed with the faying face of electrolytic cell 1, and seal 2 is provided with therebetween, is then locked with the pressing plate 3 of configuration bolt 4, by
This composition research electrode 5 only has the structure that end face contacts with the built-in electrolyte 6 of electrolytic cell 1.On the one hand the structure accomplishes outer
Position and area determination that the Electrode 5 put is corroded, on the other hand guarantee other surfaces of Electrode 5 without any attached
Thing, adsorbs completely the possibility of electrolyte 6 without adjunct, it is to avoid the weightless problem not corresponded with actual etching extent.Due to this
Invention can be accurately obtained the weight loss of the corrosion of Electrode 5, so the corrosion rate high precision of measurement.From in structure, this
A kind of invention actually electrochemistry three-electrode system of simulation lead-acid accumulator, sends out in its measuring condition and entity lead-acid accumulator
Raw electrochemical reaction is almost identical, it is possible to making the corrosion rate confirmatory measurement of Electrode 5 under different anode potentials.
Claims (6)
1. a kind of analogue measurement device for polar plate of lead acid storage battery corrosion rate, it is by electrolytic cell（1）, seal（2）, pressure
Plate（3）, bolt（4）, Electrode（5）And electrolyte（6）Composition, the electrolytic cell（1）For prone position drum ladle, the two of cylinder
Side is supported respectively by rectangular side panels, and cylinder outer wall top is along uniform three through holes for extending radially through barrel of axis direction, one end
Through hole（1.1）As electrolyte（6）Hand-hole, other end through hole（1.3）For assigning reference electrode, through hole placed in the middle
（1.2）For assigning auxiliary electrode, electrolytic cell（1）The rectangular side panels middle part for having side is provided with axially extending bore（1.4）；The sealing
Part（2）For O-ring seal；It is characterized in that：The Electrode（5）It is that one piece of plate face is more than electrolytic cell（1）Reserve on side plate
Axially extending bore（1.4）Metal plate, the Electrode of uniform thickness（5）Positive and negative surfacing is bright and clean, Electrode（5）It is placed in
Electrolytic cell（1）Axially extending bore on side plate（1.4）Place, in Electrode（5）With electrolytic cell（1）The axially extending bore of side plate（1.4）
Seal is provided between faying face（2）, Electrode is mutually leaned on plane（5）Pressing plate（3）By bolt（4）With electrolytic cell（1）
Pairing side plate is connected, thus composition research electrode（5）Only end face and electrolytic cell（1）Built-in electrolyte（6）Contact
Structure.
2. the analogue measurement device for polar plate of lead acid storage battery corrosion rate according to claim 1, it is characterised in that：
The Electrode（5）It is a kind of metal rectangular panel blocks or metal circle plate.
3. the analogue measurement device for polar plate of lead acid storage battery corrosion rate according to claim 1, it is characterised in that：
The electrolytic cell（1）And pressing plate（3）Manufactured with pmma material.
4. the analogue measurement device for polar plate of lead acid storage battery corrosion rate according to claim 1, it is characterised in that：
The electrolytic cell（1）Axially extending bore on side plate（1.4）For circular hole, internal diameter is 20mm.
5. the analogue measurement device for polar plate of lead acid storage battery corrosion rate according to claim 1, it is characterised in that：
The seal（2）For the O-ring seal of material fluorubber, its internal diameter is 20mm.
6. the analogue measurement device for polar plate of lead acid storage battery corrosion rate according to claim 1, it is characterised in that：
The electrolyte（6）For the dilute sulfuric acid of concentration 40～45%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611005605.5A CN106568704A (en) | 2016-11-16 | 2016-11-16 | Simulated measuring device for corrosion rate of pole plate of lead-acid storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611005605.5A CN106568704A (en) | 2016-11-16 | 2016-11-16 | Simulated measuring device for corrosion rate of pole plate of lead-acid storage battery |
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| Publication Number | Publication Date |
|---|---|
| CN106568704A true CN106568704A (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611005605.5A Pending CN106568704A (en) | 2016-11-16 | 2016-11-16 | Simulated measuring device for corrosion rate of pole plate of lead-acid storage battery |
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| CN (1) | CN106568704A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121472A (en) * | 2017-05-25 | 2017-09-01 | 天能电池集团有限公司 | Use for electrochemical tests lead accumulator cathode lead plaster electrode, particular manufacturing craft and test trough |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3715881A1 (en) * | 1987-05-13 | 1988-11-24 | Bayerische Motoren Werke Ag | Corrosion measurement cell |
| CN2741038Y (en) * | 2004-11-13 | 2005-11-16 | 中国海洋大学 | Corrosion tester of fluid media |
| CN101644653A (en) * | 2009-09-05 | 2010-02-10 | 中国船舶重工集团公司第七二五研究所 | Corrosion test device with in-situ electrochemical test function |
| CN102735604A (en) * | 2012-06-13 | 2012-10-17 | 上海大学 | Electrolytic cell for corrosion electrochemical measurement |
| CN103512935A (en) * | 2012-06-20 | 2014-01-15 | 鞍钢股份有限公司 | Electrolytic bath for testing coating electrochemical performance |
| CN204461980U (en) * | 2014-12-26 | 2015-07-08 | 大连理工大学 | Be applicable to consider that the environmental parameter of stress influence can the corrosion electrolytic cell device of Real-Time Monitoring |
| CN105424773A (en) * | 2015-11-05 | 2016-03-23 | 中国石油天然气股份有限公司 | Electrolytic tank for soil corrosion electrochemical experiment |
-
2016
- 2016-11-16 CN CN201611005605.5A patent/CN106568704A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3715881A1 (en) * | 1987-05-13 | 1988-11-24 | Bayerische Motoren Werke Ag | Corrosion measurement cell |
| CN2741038Y (en) * | 2004-11-13 | 2005-11-16 | 中国海洋大学 | Corrosion tester of fluid media |
| CN101644653A (en) * | 2009-09-05 | 2010-02-10 | 中国船舶重工集团公司第七二五研究所 | Corrosion test device with in-situ electrochemical test function |
| CN102735604A (en) * | 2012-06-13 | 2012-10-17 | 上海大学 | Electrolytic cell for corrosion electrochemical measurement |
| CN103512935A (en) * | 2012-06-20 | 2014-01-15 | 鞍钢股份有限公司 | Electrolytic bath for testing coating electrochemical performance |
| CN204461980U (en) * | 2014-12-26 | 2015-07-08 | 大连理工大学 | Be applicable to consider that the environmental parameter of stress influence can the corrosion electrolytic cell device of Real-Time Monitoring |
| CN105424773A (en) * | 2015-11-05 | 2016-03-23 | 中国石油天然气股份有限公司 | Electrolytic tank for soil corrosion electrochemical experiment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121472A (en) * | 2017-05-25 | 2017-09-01 | 天能电池集团有限公司 | Use for electrochemical tests lead accumulator cathode lead plaster electrode, particular manufacturing craft and test trough |
| CN107121472B (en) * | 2017-05-25 | 2023-09-08 | 天能电池集团股份有限公司 | Lead storage battery negative electrode lead plaster electrode for electrochemical test, special die and test groove |
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Application publication date: 20170419 |
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