CN111366528B - Salt fog corrosion testing machine of conductive paste - Google Patents
Salt fog corrosion testing machine of conductive paste Download PDFInfo
- Publication number
- CN111366528B CN111366528B CN202010482027.4A CN202010482027A CN111366528B CN 111366528 B CN111366528 B CN 111366528B CN 202010482027 A CN202010482027 A CN 202010482027A CN 111366528 B CN111366528 B CN 111366528B
- Authority
- CN
- China
- Prior art keywords
- conductive paste
- smearing
- annular
- spraying
- metal stress
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- G01N17/002—Test chambers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a salt spray corrosion testing machine for conductive paste, which comprises a shell, wherein a simulated smearing structure for forming a conductive paste coating is arranged in the shell, and a spraying device for spraying salt spray to the simulated smearing structure is also arranged in the shell; the simulation smearing structure comprises a smearing shaft body which is rotatably arranged in the shell, a pair of metal stress sheets are transversely arranged on the smearing shaft body in an adjustable and locked mode, a paste body storage cavity used for overflowing conductive paste outwards under the action of centrifugal force generated by rotation of the smearing shaft body is formed in the smearing shaft body between the pair of metal stress sheets, and a coating gap used for forming a conductive paste coating is formed between the pair of metal stress sheets. The invention extrudes the conductive paste by the mutual approach of the metal stress sheets, and can simulate the extrusion state and the exposed state of the conductive paste when the conductive paste is coated on the cable joint, thereby simulating the corrosion data of the state of the conductive paste on the joint.
Description
Technical Field
The embodiment of the invention relates to the technical field of material performance testing, in particular to a salt spray corrosion testing machine for conductive paste.
Background
The conductive paste is also called as electric power composite grease, is a novel electrical material, can be used for a contact surface of an electric power connector, and has obvious resistance reduction, corrosion prevention and electricity saving effects. The paste is generally a soft paste prepared by grinding, dispersing, modifying and refining mineral oil, synthetic lipid oil and silicone oil which are used as base oil and special additives such as electric conduction, oxidation resistance, corrosion resistance and arc suppression. The salt spray corrosion test box can simultaneously test the salt spray corrosion resistance of certain products by testing the salt spray corrosion resistance of the materials and the protective layers thereof and comparing the process quality of similar protective layers; the product is suitable for salt spray corrosion tests of parts, electronic elements, protective layers of metal materials and industrial products.
In the salt spray test, the object to be tested is generally clamped and sprayed with salt spray with a certain concentration. However, the conductive paste generally acts on the cable joint, and only the outer edge part is exposed, so that the clamping device in the prior art is difficult to simulate the pressed state and the exposed state of the cable joint, and finally, the corrosion area is large, and the corrosion result is inaccurate.
Disclosure of Invention
Therefore, the embodiment of the invention provides a salt spray corrosion testing machine for conductive paste, which aims to solve the problem that clamping equipment in the prior art is difficult to simulate the pressed state and the exposed state of the conductive paste at a joint position.
In order to achieve the above object, an embodiment of the present invention provides the following:
a salt spray corrosion testing machine for conductive paste comprises a shell, wherein a simulated smearing structure for forming a conductive paste coating is arranged in the shell, and a spraying device for spraying salt spray to the simulated smearing structure is also arranged in the shell;
the simulation smearing structure comprises a smearing shaft body which is rotatably installed in the shell, a pair of metal stress sheets are transversely installed on the smearing shaft body in an adjustable and locked mode, a paste body storage cavity used for enabling conductive paste to overflow outwards under the action of centrifugal force generated by rotation of the smearing shaft body is formed in the smearing shaft body between the pair of metal stress sheets, a coating gap used for forming a conductive paste coating is formed between the pair of metal stress sheets, an annular acrylic plate used for sealing the coating gap is installed on the edge of each metal stress sheet in a transverse sliding and locked mode, and a pressure sensor is installed on the inner side of the annular acrylic plate.
As a preferred scheme of the invention, the smearing shaft body comprises a pair of hollow shafts, wherein one hollow shaft is arranged at one side of the paste storage cavity, and the other hollow shaft is arranged at the other side of the paste storage cavity;
the hollow shaft is fixedly sleeved with a petal-shaped expansion connecting piece, the metal stress pieces are sleeved on the petal-shaped expansion connecting piece through an inosculating groove, and one side of each metal stress piece, which is far away from the paste storage cavity, is respectively provided with a first linear motor for controlling the distance between the pair of metal stress pieces.
As a preferable scheme of the present invention, the petal-shaped expansion connection member includes a rigid skeleton fixedly mounted on the surface of the hollow shaft, an elastic rubber bag is sleeved on the rigid skeleton, the surface of the elastic rubber bag is in contact with the anastomosis groove, and the inner side of the elastic rubber bag is hermetically connected to the rigid skeleton;
the rigid framework is provided with a liquid passing hole, and the elastic rubber bag is internally provided with centrifugal extrusion liquid which is used for extruding the elastic rubber bag under the action of centrifugal force generated by rotation of the hollow shaft so as to enable the elastic rubber bag to abut against the anastomosis groove for sealing.
As a preferable scheme of the present invention, the paste reservoir is an annular mesh structure connected between the pair of hollow shafts, and a resistance paste penetration film for blocking the conductive paste from oozing out without an external force is fixedly attached to the surface of the annular mesh structure.
As a preferred scheme of the present invention, one end surface of the annular mesh structure is closed, the other end surface of the annular mesh structure is communicated with an inner cavity of one of the hollow shafts, and the hollow shaft is provided with an L-shaped valve for filling the annular mesh structure with a conductive paste.
As a preferable scheme of the invention, one end of the annular acrylic plate is provided with a second linear motor for pushing the annular acrylic plate to slide and lock transversely;
and a sealing hollow ring used for contacting the inner wall of the annular acrylic plate is arranged at the edge of the metal stress sheet.
As a preferable scheme of the invention, the spraying device comprises a rotating frame sleeved on the annular acrylic plate, a spraying annular cavity is arranged on the rotating frame through the driving of a motor, and a plurality of mist outlets communicated with an inner cavity of the spraying annular cavity are uniformly formed in the inner side surface of the spraying annular cavity.
As a preferable aspect of the present invention, the mist outlet is connected to a spray nozzle through a flexible pipe, and both sides of the spray nozzle rotate by being hinged to an edge of the mist outlet.
As a preferable scheme of the present invention, irregular driving springs for driving the spray nozzle to rotate when the spray ring cavity rotates at variable speed are installed on both sides of the spray nozzle, and the ends of the irregular driving springs are connected to the spray ring cavity.
As a preferable scheme of the present invention, a mist inlet pipe is slidably connected to an outer side surface of the spray ring cavity, the interior of the mist inlet pipe is driven by a fan, and the mist inlet pipe is connected to an external salt mist generator.
The embodiment of the invention has the following advantages:
the invention utilizes the centrifugal force generated by the rotation of the coating shaft body to throw the conductive paste out of the center of the metal stress sheet so as to be gradually filled into the coating gap, and when the coating gap is filled, the metal stress sheets approach each other to extrude the coating gap so as to extrude the conductive paste positioned in the coating gap to generate stress; through the irregular swing of the atomizing nozzle, salt spray blows the surface of the conductive paste from different angles, and therefore the condition that the conductive paste is blown by multi-angle corrosive airflow in a natural state is simulated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is an overall block diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a metal stress sheet structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of a lobed expansion joint configuration according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a spray ring cavity in an embodiment of the invention.
In the figure:
1-a housing; 2-simulating a painting structure; 3-a spraying device; 4-sealing the hollow ring;
21-coating the shaft body; 22-metal stress sheet; 23-paste storage cavity; 24-coating gap; 25-ring acrylic plate; 26-a pressure sensor; 27-a cream-resistant membrane; 28-L-shaped valve; 29-a second linear motor;
211-hollow shaft; 212-petal expansion joint; 213-anastomosis grooves; 214-a first linear motor; 215-rigid skeleton; 216-elastic rubber bladder; 217-liquid passing hole; 218-centrifugally squeezing the liquid;
31-a rotating frame; 32-spray ring cavity; 33-a mist outlet; 34-a flexible tube; 35-a spray nozzle; 36-irregular drive spring.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1, the invention provides a salt spray corrosion testing machine for conductive paste, which comprises a housing 1, wherein a simulated coating structure 2 for forming a conductive paste coating is arranged in the housing 1, and a spraying device 3 for spraying salt spray to the simulated coating structure 2 is also arranged in the housing 1; the simulated smearing structure 2 comprises a smearing shaft body 21 which is rotatably installed in the shell 1, a pair of metal stress sheets 22 are transversely installed on the smearing shaft body 21 in an adjustable and locked mode, a paste storage cavity 23 used for enabling conductive paste to overflow outwards under the action of centrifugal force generated by rotation of the smearing shaft body 21 is formed in the smearing shaft body 21 between the pair of metal stress sheets 22, a coating gap 24 used for forming a conductive paste coating is formed between the pair of metal stress sheets 22, an annular acrylic plate 25 used for sealing the coating gap 24 is transversely installed on the edge of the metal stress sheet 22 in a sliding and locked mode, and a pressure sensor 26 is installed on the inner side of the annular acrylic plate 25.
The invention utilizes the centrifugal force generated by the rotation of the coating shaft body 21 to throw the conductive paste out of the center of the metal stress sheet 22, so as to gradually fill the conductive paste into the coating gap 24, when the coating gap 24 is filled, the metal stress sheets 22 approach each other to press the coating gap 24, so that the conductive paste in the coating gap 24 is pressed to generate stress, and the stress can be obtained by the front and back change of the value of the pressure sensor 26. The process can simulate the state that the conductive paste is extruded when being coated on the cable joint, thereby obtaining the corrosion data of the conductive paste in the pressed state.
The mode of dispersion filling is from the center to all around for it is more even to fill, and is convenient for fill electrically conductive cream, need not extra filling pipeline.
As shown in fig. 2 and 3, the smearing shaft body 21 includes a pair of hollow shafts 211, wherein one of the hollow shafts 211 is installed at one side of the paste reservoir 23, and the other hollow shaft 211 is installed at the other side of the paste reservoir 23; a petal-shaped expansion connecting piece 212 is fixedly sleeved on the hollow shaft 211, the metal stress pieces 22 are sleeved on the petal-shaped expansion connecting piece 212 through an anastomosis groove 213, and a first linear motor 214 for controlling the distance between the pair of metal stress pieces 22 is respectively installed on one side of each metal stress piece 22 away from the paste storage cavity 23; the flap-shaped expansion connecting piece 212 comprises a rigid framework 215 fixedly arranged on the surface of the hollow shaft 211, an elastic rubber bag 216 is sleeved on the rigid framework 215, the surface of the elastic rubber bag 216 is in contact with the anastomosis groove 213, and the inner side of the elastic rubber bag 216 is connected to the rigid framework 215 in a sealing manner; a liquid passing hole 217 is formed in the rigid frame 215, and a centrifugal pressing liquid 218 for pressing the elastic rubber bladder 216 against the engaging groove 213 to seal the elastic rubber bladder 216 under the centrifugal force generated by the rotation of the hollow shaft 211 is provided in the elastic rubber bladder 216.
The metal stress plate 22 is sleeved on the petal-shaped expansion connecting piece 212 through the matching groove 213 to slide, and by the special shape of the petal-shaped expansion connecting piece 212, the metal stress plate 22 and the petal-shaped expansion connecting piece 212 cannot rotate relatively, and the matching groove 213 and the petal-shaped expansion connecting piece 212 are in contact connection to maintain the sealing performance.
The more liquid passing holes 217 are formed in the rigid framework 215, so that the centrifugally extruded liquid 218 can freely flow in the rigid framework 215, the rigid framework 215 can serve as a carrier for bearing the centrifugally extruded liquid 218, when the hollow shaft 211 rotates centrifugally, the centrifugally extruded liquid 218 moves towards the edge of the rigid framework 215 under the action of centrifugal force, and the elastic rubber bag 216 can be squeezed, so that the elastic rubber bag 216 is tightly attached to the anastomosis groove 213 through deformation due to elasticity of the elastic rubber bag 216, and the joint of the metal stress piece 22 is sealed secondarily.
The paste storage cavity 23 is an annular mesh structure connected between the pair of hollow shafts 211, and a resistance paste penetration film 27 for blocking the conductive paste from seeping out under the action of no external force is fixedly attached to the surface of the annular mesh structure; one end face of the annular mesh structure is closed, the other end face of the annular mesh structure is communicated with the inner cavity of one hollow shaft 211, and the hollow shaft 211 is provided with an L-shaped valve 28 for filling the annular mesh structure with conductive paste; one end of the annular acrylic plate 25 is provided with a second linear motor 29 for pushing the annular acrylic plate to slide transversely and lock; and a sealing hollow ring 4 for contacting the inner wall of the annular acrylic plate 25 is arranged at the edge of the metal stress sheet 22.
The conductive paste is a paste material having a certain viscosity, the resistance paste film 27 is a film material having a penetration hole, and the conductive paste cannot seep out of the resistance paste film 27 under its own weight due to its viscosity and needs to overflow by a centrifugal force toward the outside.
The sealing hollow ring 4 is a sealing structure using the same centrifugal force principle as the petal-shaped expansion joint 212. The annular acrylic plate 25 facilitates observation of the state of the conductive paste infiltrated therein and joint judgment in conjunction with the pressure sensor 26.
As shown in fig. 4, the spraying device 3 includes a rotating frame 31 sleeved on the annular acrylic plate 25, a spraying annular cavity 32 is installed on the rotating frame 31 through motor driving, and a plurality of mist outlets 33 communicated with an inner cavity of the spraying annular cavity 32 are uniformly formed on the inner side surface of the spraying annular cavity 32; the mist outlet 33 is connected with a spray nozzle 35 through a flexible pipe 34, and two sides of the spray nozzle 35 are hinged with the edge of the mist outlet 33 to rotate; irregular driving springs 36 for driving the spraying nozzles 35 to rotate when the spraying ring cavity 32 rotates at variable speed are mounted on both sides of the spraying nozzles 35, and the tail ends of the irregular driving springs 36 are connected to the spraying ring cavity 32; the outer side surface of the spray ring cavity 32 is slidably connected with a mist inlet pipe, the interior of the mist inlet pipe is driven by a fan, and the mist inlet pipe is connected with an external salt mist generator.
Carry out the sealing connection of atomizer 35 through flexible pipe 34, atomizer 35 articulates with play fog mouth 33 again, make atomizer 35 can carry out the rotation of certain angle in spraying ring chamber 32 inboard, when spraying ring chamber 32 rotates with an initial velocity, atomizer 35 receives the effect of centrifugal force, incline to one side, thereby compress an irregular driving spring 36 and stretch another irregular driving spring 36, when spraying ring chamber 32 changes speed to another speed and rotates, atomizer 35 receives the centrifugal force and changes, the balance of irregular driving spring 36 can't be maintained, thereby cause atomizer 35 to carry out certain swing.
Through the irregular swinging of the spray nozzle 35, salt mist blows the surface of the conductive paste from different angles, and therefore the condition that the conductive paste is blown by multi-angle corrosive airflow in a natural state is simulated.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A salt spray corrosion testing machine for conductive paste comprises a shell (1), and is characterized in that a simulated smearing structure (2) for forming a conductive paste coating is installed in the shell (1), and a spraying device (3) for spraying salt spray to the simulated smearing structure (2) is also installed in the shell (1);
the simulated smearing structure (2) comprises a smearing shaft body (21) which is rotatably arranged in the shell (1), a pair of metal stress sheets (22) is transversely installed on the smearing shaft body (21) in an adjustable and locked manner, a paste storage cavity (23) used for overflowing the conductive paste outwards under the action of centrifugal force generated by the rotation of the smearing shaft body (21) is arranged on the smearing shaft body (21) between the pair of metal stress sheets (22), a coating gap (24) for forming a conductive paste coating is arranged between the pair of metal stress sheets (22), wherein an annular acrylic plate (25) for closing the coating gap (24) is mounted on the edge of the metal stress sheet (22) in a laterally slidable and lockable manner, and a pressure sensor (26) is arranged on the inner side of the annular acrylic plate (25).
2. The salt fog corrosion tester of the conductive paste according to claim 1, wherein said coating shaft body (21) comprises a pair of hollow shafts (211), one of said hollow shafts (211) being installed at one side of said paste reservoir (23), the other of said hollow shafts (211) being installed at the other side of said paste reservoir (23);
the hollow shaft (211) is fixedly sleeved with a petal-shaped expansion connecting piece (212), the metal stress sheets (22) are sleeved on the petal-shaped expansion connecting piece (212) through a matching groove (213), and one side, far away from the paste storage cavity (23), of each metal stress sheet (22) is provided with a first linear motor (214) used for controlling the distance between the pair of metal stress sheets (22).
3. The salt fog corrosion tester of the conductive paste according to claim 2, wherein the petal-shaped expansion connector (212) comprises a rigid skeleton (215) fixedly mounted on the surface of the hollow shaft (211), an elastic rubber bag (216) is sleeved on the rigid skeleton (215), the surface of the elastic rubber bag (216) is in contact with the anastomosis groove (213), and the inner side of the elastic rubber bag (216) is hermetically connected to the rigid skeleton (215);
the rigid framework (215) is provided with a liquid passing hole (217), and the elastic rubber bag (216) is internally provided with centrifugal extrusion liquid (218) which is used for extruding the elastic rubber bag (216) under the action of centrifugal force generated by the rotation of the hollow shaft (211) so as to enable the elastic rubber bag (216) to be abutted against the anastomosis groove (213) for sealing.
4. The salt spray corrosion testing machine of a conductive paste according to claim 3, wherein said paste reservoir (23) is a ring-shaped mesh structure connected between said pair of hollow shafts (211), and a resistance paste-permeable film (27) for blocking the conductive paste from oozing out without external force is fixedly attached to the surface of said ring-shaped mesh structure.
5. The salt fog corrosion testing machine of claim 4, characterized in that one end face of the annular mesh structure is closed, the other end face of the annular mesh structure is communicated with the inner cavity of one of the hollow shafts (211), and the hollow shaft (211) is provided with an L-shaped valve (28) for filling the annular mesh structure with the conductive paste.
6. The salt fog corrosion tester of the conductive paste according to claim 2, wherein one end of the annular acrylic plate (25) is provided with a second linear motor (29) for pushing the annular acrylic plate to slide and lock transversely;
and a sealing hollow ring (4) for contacting the inner wall of the annular acrylic plate (25) is arranged at the edge of the metal stress sheet (22).
7. The salt spray corrosion testing machine of the conductive paste as claimed in claim 6, wherein the spraying device (3) comprises a rotating frame (31) sleeved on the annular acrylic plate (25), a spraying annular cavity (32) is installed on the rotating frame (31) through motor driving, and a plurality of mist outlets (33) communicated with an inner cavity of the spraying annular cavity (32) are uniformly formed in the inner side surface of the spraying annular cavity.
8. The salt spray corrosion testing machine of claim 7, wherein the mist outlet (33) is connected with a spray nozzle (35) through a flexible pipe (34), and two sides of the spray nozzle (35) rotate by hinging with the edge of the mist outlet (33).
9. The salt spray corrosion testing machine of claim 6, characterized in that both sides of the spraying nozzle (35) are provided with irregular driving springs (36) for driving the spraying nozzle (35) to rotate when the spraying ring cavity (32) rotates at variable speed, and the ends of the irregular driving springs (36) are connected to the spraying ring cavity (32).
10. The salt fog corrosion tester of claim 9, wherein the outer surface of the spray ring cavity (32) is slidably connected with a fog inlet pipe, the interior of the fog inlet pipe is driven by a fan, and the fog inlet pipe is connected with an external salt fog generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010482027.4A CN111366528B (en) | 2020-06-01 | 2020-06-01 | Salt fog corrosion testing machine of conductive paste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010482027.4A CN111366528B (en) | 2020-06-01 | 2020-06-01 | Salt fog corrosion testing machine of conductive paste |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111366528A CN111366528A (en) | 2020-07-03 |
| CN111366528B true CN111366528B (en) | 2020-08-18 |
Family
ID=71207646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010482027.4A Active CN111366528B (en) | 2020-06-01 | 2020-06-01 | Salt fog corrosion testing machine of conductive paste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111366528B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03134908A (en) * | 1989-10-20 | 1991-06-07 | Matsushita Electric Ind Co Ltd | Terminal electrode paste for ceramic electronic parts |
| CN102661836A (en) * | 2012-05-18 | 2012-09-12 | 西南石油大学 | Method and device for detecting sealing performance and corrosion performance of rubber under pressure state |
| CN104689971A (en) * | 2015-03-19 | 2015-06-10 | 重庆新原港科技发展有限公司 | Protection method based on electron tunneling effect |
| CN205404300U (en) * | 2016-02-29 | 2016-07-27 | 沈阳建筑大学 | Research steel pipe concrete bend component load with corrode under device of performance |
| CN105954182A (en) * | 2016-06-06 | 2016-09-21 | 中国电力科学研究院 | Method and device for establishing electric force compounded grease accelerated aging model based on Weibull distribution |
| CN106093130A (en) * | 2016-06-06 | 2016-11-09 | 中国电力科学研究院 | A kind of test product to scribbling electric force compounded grease carries out the method and system of combined heat and power test |
| CN107290268A (en) * | 2016-04-11 | 2017-10-24 | 中国电力科学研究院 | A kind of Forecasting Methodology of the electric force compounded grease aging of current conversion station electrical contact junction |
| CN108465610A (en) * | 2018-05-30 | 2018-08-31 | 广东电网有限责任公司 | Conductive paste applicator and conductive paste applicator system |
| CN109406379A (en) * | 2018-12-18 | 2019-03-01 | 广东电网有限责任公司 | A kind of contact material corrosion test tool and system |
| CN209460112U (en) * | 2019-01-15 | 2019-10-01 | 中国科学院上海高等研究院 | A kind of rotary type circle salt spray test chamber |
-
2020
- 2020-06-01 CN CN202010482027.4A patent/CN111366528B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03134908A (en) * | 1989-10-20 | 1991-06-07 | Matsushita Electric Ind Co Ltd | Terminal electrode paste for ceramic electronic parts |
| CN102661836A (en) * | 2012-05-18 | 2012-09-12 | 西南石油大学 | Method and device for detecting sealing performance and corrosion performance of rubber under pressure state |
| CN104689971A (en) * | 2015-03-19 | 2015-06-10 | 重庆新原港科技发展有限公司 | Protection method based on electron tunneling effect |
| CN205404300U (en) * | 2016-02-29 | 2016-07-27 | 沈阳建筑大学 | Research steel pipe concrete bend component load with corrode under device of performance |
| CN107290268A (en) * | 2016-04-11 | 2017-10-24 | 中国电力科学研究院 | A kind of Forecasting Methodology of the electric force compounded grease aging of current conversion station electrical contact junction |
| CN105954182A (en) * | 2016-06-06 | 2016-09-21 | 中国电力科学研究院 | Method and device for establishing electric force compounded grease accelerated aging model based on Weibull distribution |
| CN106093130A (en) * | 2016-06-06 | 2016-11-09 | 中国电力科学研究院 | A kind of test product to scribbling electric force compounded grease carries out the method and system of combined heat and power test |
| CN108465610A (en) * | 2018-05-30 | 2018-08-31 | 广东电网有限责任公司 | Conductive paste applicator and conductive paste applicator system |
| CN109406379A (en) * | 2018-12-18 | 2019-03-01 | 广东电网有限责任公司 | A kind of contact material corrosion test tool and system |
| CN209460112U (en) * | 2019-01-15 | 2019-10-01 | 中国科学院上海高等研究院 | A kind of rotary type circle salt spray test chamber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111366528A (en) | 2020-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111366528B (en) | Salt fog corrosion testing machine of conductive paste | |
| CN211051784U (en) | Spraying device for powder coating | |
| CN210497024U (en) | Paper gluing device for seamless packaging paper tube production | |
| BR112012008447B1 (en) | composition, method and system for balancing a rotating system | |
| CN116698412B (en) | Bearing test mechanism and use method thereof | |
| CN106916507B (en) | A kind of preparation method of anticorrosion antiwear not adhesive aggregation ether ether ketone base coating | |
| CN113188937B (en) | Mobile phone display screen finished product detection equipment and detection method thereof | |
| CN206960335U (en) | A kind of novel seal gum fatigue strength tester | |
| CN208043324U (en) | Floating type air tightness test component | |
| CN103925365A (en) | Underwater rotating seal waterproofing device | |
| CN206754108U (en) | A kind of full coat fills compressor ground structure | |
| CN211978311U (en) | Wet withstand voltage and IP protection rain test device | |
| CN210166279U (en) | Programmable salt spray testing machine for plastic shell | |
| CN112504578A (en) | Multistation door and window three-property detection device | |
| CN208373486U (en) | A kind of cable talcum powder applying device | |
| CN203847702U (en) | Underwater rotating sealing waterproof device | |
| CN111765302A (en) | Mechanical expansion shaft sealing assembly | |
| CN215178393U (en) | Outdoor camera rain waterproof test equipment | |
| CN215030407U (en) | Paint storage device for automobile body paint spraying | |
| CN116734035B (en) | Chemical valve inner leakage detection device and application method thereof | |
| CN208497442U (en) | A kind of rubber mat vulcanization in situ tooling | |
| CN114572435B (en) | Coating production residual processing device | |
| CN113120274B (en) | Sealant preparation and processing method | |
| CN110180723A (en) | A kind of glue-spraying spout automatic cleaning apparatus | |
| CN212963806U (en) | Equipment for detecting torque and pressure of deep submergence rotary sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |