CN110702734A - Electric flux detection device - Google Patents
Electric flux detection device Download PDFInfo
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- CN110702734A CN110702734A CN201910961677.4A CN201910961677A CN110702734A CN 110702734 A CN110702734 A CN 110702734A CN 201910961677 A CN201910961677 A CN 201910961677A CN 110702734 A CN110702734 A CN 110702734A
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- test
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- test piece
- test groove
- electric flux
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
Abstract
The invention discloses an electric flux detection device, which comprises a left test groove and a right test groove, wherein a liquid inlet is arranged above each test groove, a liquid outlet is arranged on one side of the liquid inlet, a binding post is arranged above each test groove, a copper electrode plate is arranged at the corresponding position of the side surfaces of the left test groove and the right test groove, a plurality of liquid seepage holes are formed in the copper electrode plate, a power wire penetrates through the inside of the liquid outlet, one end of the power wire is connected with the rear part of the copper electrode plate, the other end of the power wire is connected with the binding post, a through hole is formed in each of the four corner positions of the side surface of each test groove, the copper electrode plate is fixed on the side surface of each test groove through an upper countersunk head screw, a lower countersunk head screw, a left countersunk. The device is the integrated structure, and single can operate, realizes the electric flux detection test to the concrete sample, can pack experimental accuracy.
Description
Technical Field
The invention relates to the technical field of concrete performance detection equipment, in particular to an electric flux detection device.
Background
The dry apparent density of the common concrete is 2000-2800kg/m3The cement concrete of (1) is characterized in that the electric flux of a concrete test piece is used for reflecting the anti-chloride ion permeability of the concrete in a detection test, and a test device specifically adopted in the prior art is shown in figure 1 (in the figure, 1, a direct current stabilized voltage power supply, 2, a test groove, 3, a copper electrode plate, 4, a concrete test piece and 5.3.0 percent NaCI solutionLiquid, 6.0.3mol/L NaOH solution, 7 standard resistance, 8 direct current digital voltmeter, 9 test piece gasket), carrying out vacuum saturation on a concrete test piece before an electric flux test, installing the test piece in a test groove after the electric flux test is finished, clamping the two test tanks and the test piece with vulcanized rubber pads on the end surface by adopting a screw rod, respectively injecting NaCI solution and NaOH solution into the test tanks on the two sides of the test piece, the copper electrode plate in the test tank filled with the NaCI solution is connected with the negative electrode of a power supply, the copper electrode plate in the test tank filled with the NaOH solution is connected with the positive electrode of the power supply, then the power is on, applying about 60V direct current transverse voltage to the two copper electrode plates, recording the initial reading of current, starting to record the current value every 5min, when the current change is small, the current is recorded every 10min, when the current change is small, the current is recorded every 30min, and finally the electric flux data is obtained through calculation.
The above-mentioned prior art detection device has the following drawbacks: the whole test process is complicated to operate, three persons are required to operate together, one person fixes the test piece, one person holds the left test groove and the right test groove, and the other person screws four nuts at two ends respectively to fix the test piece; the whole test device is not provided with a corresponding sealing device, and the sealing effect between the test piece and the test groove cannot better meet the test requirement; the test piece can not be accurately aligned with the water seepage holes on the copper electrode plate, the position is irregular, deviation is easy to generate, and the test result is influenced; the traditional test tank is not provided with a corresponding liquid outlet, and after the test is finished, the solution is generally mixed and poured and cannot be reused, so that the test cost is saved; finally, traditional copper electrode board adopts the button head screw fixation, has the arch with the contact surface of test piece, and the contact is uneven, also can lead to sealed effect poor, combines unstable problem.
Disclosure of Invention
The invention aims to provide an electric flux detection device which is of an integrated structure, can be operated by a single person, realizes an electric flux detection test on a concrete sample, and can realize the accuracy of a packaging test.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an electric flux detection device comprises a left test groove and a right test groove, wherein a liquid inlet is arranged above each test groove, a wire outlet is arranged on one side of each liquid inlet, a binding post is arranged above each test groove, a copper electrode plate is arranged at the corresponding position of the side surfaces of the left test groove and the right test groove, a plurality of liquid seepage holes are arranged on the copper electrode plate, a power wire penetrates through the wire outlet, one end of the power wire is connected with the rear part of the copper electrode plate, the other end of the power wire is connected with the binding post, through holes are arranged at the four corner positions of the side surfaces of each test groove, the copper electrode plate is fixed on the side surfaces of the test grooves through an upper countersunk head screw, a lower countersunk head screw, a left countersunk head screw and a right countersunk head screw, a circle of annular mounting grooves are arranged at the positions 2-3 cm away from the periphery of the copper electrode, the opening cover through the flexible face, the flexible face pass through joint strip with the test piece seal bag all around sealed, wherein control two test groove correspond the position through-hole inside and all pass and press from both sides tight threaded rod, press from both sides tight threaded rod and be located the part between the test groove on the cover be equipped with the stopper and one end screw up fixedly through the nut, test groove below side all be equipped with a liquid outlet.
Further, the test piece sealing bag is fixed with the mounting groove of the corresponding side through the sealing rubber rings on the two sides respectively.
Further, a concrete test piece is placed in the test piece sealing bag before the test, and NaCI solution and NaOH solution are respectively poured into the test groove during the test process.
Further, the external test power supply of terminal, the liquid outlet sealed through the rubber buffer in the test process.
Compared with the prior art, the invention has the following beneficial effects:
the device can be operated by one person, the whole test process is realized, and the tightness of the contact positions of the test piece and the copper electrode plates on the two sides is ensured through the test piece sealing bag and the countersunk head screws; the distance between the clamping threaded rods at the four corner positions is kept consistent through the limiting blocks, so that the inclination and dislocation of the test piece are avoided; be equipped with the liquid outlet, after the test piece, can discharge the inside solution of two test tanks respectively, detach parts such as test piece again, realize the reutilization of solution.
Drawings
FIG. 1 is a schematic diagram of the electric flux test principle of a traditional concrete sample;
FIG. 2 is a schematic structural diagram of an electric flux detecting apparatus according to the present invention;
FIG. 3 is a schematic structural diagram of a specimen sealing bag according to the present invention;
FIG. 4 is a schematic view of the structure of a test cell according to the present invention;
in the figure: 1. a DC stabilized power supply; 2. a test tank; 3. a copper electrode plate; 4. a concrete sample; 5. 3.0% NaCI solution; 6.0.3mol/L NaOH solution; 7. a standard resistance; 8. a direct current digital voltmeter; 9. a test piece washer; 10. a limiting block; 11. clamping the threaded rod; 12. a nut; 13. sealing the test piece in a bag; 14. a flexible surface; 15. a liquid outlet; 16. sealing the rubber ring; 17. a binding post; 18. a liquid inlet; 19. a through hole; 20. mounting grooves; 21. countersunk head screws; 22. a copper electrode plate; 23. and sealing rubber strips.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with reference to the specific drawings.
As shown in FIGS. 2-4, an electric flux detecting device comprises a left test tank 2 and a right test tank 2, wherein a liquid inlet 18 is arranged above each test tank 2, a wire outlet is arranged on one side of the liquid inlet 18, a binding post 17 is arranged above each test tank, a copper electrode plate 22 is arranged at a position corresponding to the side surfaces of the left test tank 2 and the right test tank 2, a plurality of liquid seepage holes are arranged on the copper electrode plate 22, a power wire penetrates through the inside of the wire outlet, one end of the power wire is connected with the rear part of the copper electrode plate 22, the other end of the power wire is connected with the binding post 17, a through hole is arranged at each of four corner positions on the side surface of each test tank 2, the copper electrode plate 22 is fixed at the side surface of each test tank 2 through an upper countersunk head screw 21, a circle of annular mounting groove 20 is arranged at a position at, the opening passes through flexible face 14 and covers, flexible face 14 is sealed through joint strip 23 all around with test piece sealing bag 13, it all passes tight threaded rod 11 to press from both sides about wherein the corresponding position through-hole of two test groove 2 is inside, it is fixed that clamp tight threaded rod 11 is located partly overlap on between test groove 2 and is equipped with stopper 10 and one end and passes through nut 12 tightening, test groove 2 below side all is equipped with a liquid outlet 15, test piece sealing bag 13 is fixed with the mounting groove 20 that corresponds the side through the sealed rubber ring 16 of both sides respectively, concrete test piece 4 is put into before experimental to test piece sealing bag 13 inside, NaCI solution and NaOH solution are poured respectively to test groove 2 inside in the testing process, terminal 17 external test power, liquid outlet 15 is sealed through the rubber buffer in the testing process.
In the specific test process, the flexible surface 14 is firstly opened, the liquid outlets 15 of the two test grooves are plugged by rubber plugs, a concrete test piece 4 is arranged in the test piece sealing bag 13, the test piece sealing bag 13 is sealed by a sealing rubber strip 23, clamping threaded rods 11 are inserted into the four corner positions of the two test grooves 2, upper limiting blocks 10 are sleeved in the middle of the two test grooves 2 (the size of the four limiting blocks 10 is the same as the width of the concrete test piece 4), nuts 12 are screwed into one sides of the clamping threaded rods 11, so that the middle concrete test piece 4 is clamped by the copper electrode plates 22 of the two test grooves 2, NaCI solution and NaOH solution are respectively injected into the test grooves 2 on the two sides of the test piece, the copper electrode plates 22 in the test grooves 2 injected with the NaCI solution are connected with the negative electrode of a power supply, the copper electrode plates 22 in the test grooves 2 injected with the NaOH solution are connected with the positive electrode of the power supply, then, recording the initial reading of current, beginning to record the current value once every 5min, when the current change is little, every 10min record once, when the current change is very little, should once every 30min record, obtain the electric flux data through calculating at last, after the experiment, take off the rubber buffer in proper order respectively, retrieve the convenient reutilization of the solution of two test groove 2 insides, avoid solution mixed pollution.
In the whole testing process, alone can operate, need not three concurrent operation among the traditional test, the labour has been practiced thrift, adopt countersunk screw 21 can avoid the arch of concrete test piece 4 and copper electrode board 22 contact position department, make the test piece inseparabler with copper electrode board 22 contact, combine test piece seal bag 13, can guarantee the leakproofness of contact position department, improve detection quality, pass through stopper 10 in addition, can guarantee four tight threaded rod 11's of clamp tight distance, avoid among the traditional testing process test piece and copper electrode board 22 to inaccurate, the problem of dislocation.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides an electric flux detection device, includes about two test groove, test groove top all be equipped with the inlet, inlet one side be equipped with the outlet, test groove top all be equipped with the terminal, the corresponding position department in two test groove sides all is equipped with a copper plate electrode about wherein, the copper plate electrode on be equipped with a plurality of sepage hole, the inside power cord that runs through of outlet, power cord one end be connected and the other end and terminal connection with copper plate electrode rear, four corner position departments in test groove side all be equipped with a through-hole, its characterized in that: the copper plate electrode through about from top to bottom four countersunk head screw fixation in test groove side, the peripheral interval 2-3 centimetres position department of copper plate electrode be equipped with the annular mounting groove of round, mounting groove internally mounted test piece seal bag, the test piece seal bag adopt flexible material and the surface is equipped with the opening, the opening pass through the flexible face and cover, the flexible face pass through joint strip with the test piece seal bag all around sealed, wherein control the inside tight threaded rod that presss from both sides that all passes of corresponding position through-hole of two test grooves, the tight threaded rod that presss from both sides lie in between the test groove part on the cover be equipped with stopper and one end pass through the nut and screw up fixedly, test groove below side all be equipped with a liquid outlet.
2. An electric flux detecting device according to claim 1, wherein: the test piece sealing bag is fixed with the mounting groove of the corresponding side through the sealing rubber rings on the two sides respectively.
3. An electric flux detecting device according to claim 1, wherein: the concrete test piece is placed in the test piece sealing bag before the test, and NaCI solution and NaOH solution are respectively poured into the test groove in the test process.
4. An electric flux detecting device according to claim 1, wherein: the external test power supply of terminal, the liquid outlet sealed through the rubber buffer in test process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910961677.4A CN110702734A (en) | 2019-10-11 | 2019-10-11 | Electric flux detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910961677.4A CN110702734A (en) | 2019-10-11 | 2019-10-11 | Electric flux detection device |
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| CN110702734A true CN110702734A (en) | 2020-01-17 |
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| CN201910961677.4A Pending CN110702734A (en) | 2019-10-11 | 2019-10-11 | Electric flux detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114577698A (en) * | 2022-02-24 | 2022-06-03 | 青岛理工大学 | Concrete permeability detection device and method |
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