CN211645398U - Device for steel structure gate cathode protection system - Google Patents
Device for steel structure gate cathode protection system Download PDFInfo
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- CN211645398U CN211645398U CN201922478976.0U CN201922478976U CN211645398U CN 211645398 U CN211645398 U CN 211645398U CN 201922478976 U CN201922478976 U CN 201922478976U CN 211645398 U CN211645398 U CN 211645398U
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- gate
- steel construction
- steel structure
- potentiostat
- plc controller
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Abstract
The utility model relates to a steel construction cathodic protection technical field just discloses a device for steel construction gate cathodic protection system, including potentiostat, water, PLC controller, temperature sensor and pH meter, the anodal metal platinum piece that has through wire electric connection of potentiostat, the negative pole of potentiostat has relay switch through wire electric connection. Temperature sensor can real-timely detect the near temperature of steel construction gate and transmit for the PLC controller through the form of signal of telecommunication, when the temperature risees, the steel construction gate can accelerate ionization reaction, only can't protect steel construction metal gate by sacrificial anode (metallic tin piece), PLC controller control relay switch is closed this moment to make constant potential rectifier, steel construction gate, establish ties between metal platinum piece and the water and make the anion gathering protect at the surface of steel construction gate and steel construction gate.
Description
Technical Field
The utility model relates to a steel construction cathodic protection technical field specifically is a device for steel construction gate cathodic protection system.
Background
The steel structure gate is used for closing, opening or partially opening the movable structure of the water gap in the hydraulic structure, the steel structure gate plays a role in controlling the water level and regulating the flow, and because the steel structure gate is frequently contacted with a water body, the protection of the steel structure gate from rusting is very important.
The cathodic protection method comprises a sacrificial anode protection method and an impressed current protection method, the conventional method for protecting the sacrificial anode is selected when the steel structure gate is small, if the gate is too large, the impressed current protection method is adopted, and because the pH value of the water level where the gate is located and the water temperature are constantly changed, if the sacrificial anode protection method is only adopted, the steel structure gate cannot adapt to the change of the water temperature and the pH value of the water body, so that the steel structure gate cannot be fully protected by the sacrificial anode protection method, if the impressed current protection method is only adopted, the daily maintenance cost is increased, and once the protection equipment has problems, the steel structure gate is immediately corroded by the water body, and the effect of carrying out cathodic protection on the steel structure gate in the prior art is further reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a device for a steel structure gate cathode protection system, which has the advantages of adapting to the water temperature and the water pH change to protect the steel structure gate and reducing the maintenance cost required by the steel structure gate cathode protection, solves the problems that the prior steel structure gate can select a sacrificial anode to protect when being small, if the gate is overlarge, the protection method of impressed current can be adopted, because the pH value and the water temperature of the water level of the gate are constantly changed, if the protection method of the sacrificial anode is only adopted, the steel structure gate can not adapt to the change of the water temperature and the pH value of the water body, thereby the steel structure gate can not be fully protected by the sacrificial anode protection method, if the protection method of the impressed current is only adopted, the daily maintenance cost can be increased, and once the protection equipment has problems, the steel structure gate can be corroded by the water body immediately, and then reduced prior art and carried out the problem of cathodic protection effect to the steel construction gate.
The utility model provides a following technical scheme: the device for the steel structure gate cathode protection system comprises a potentiostat, a water body, a PLC (programmable logic controller), a temperature sensor and a pH meter, wherein the anode of the potentiostat is electrically connected with a metal platinum block through a wire, the cathode of the potentiostat is electrically connected with a relay switch through a wire, the relay switch is electrically connected with a steel structure gate through a wire, a metal tin block is fixedly arranged on the outer surface of the steel structure gate, and the PLC is electrically connected with the relay switch, the temperature sensor and the pH meter.
Preferably, the metal tin blocks are uniformly distributed on the outer surface of the steel structure gate at equal intervals, and the steel structure gate and the metal platinum blocks are both located inside the water body.
Preferably, the test ports of the temperature sensor and the pH meter are both in contact with the water body near the steel structure.
The utility model discloses possess following beneficial effect:
1. this a device for steel construction gate cathodic protection system, through the PLC controller, mutually support between temperature sensor and the relay switch, temperature sensor can be real-time detect near steel construction gate the temperature and transmit the PLC controller through the form of signal of telecommunication, when the temperature risees, the steel construction gate can accelerate ionization reaction, only lean on sacrificial anode (metallic tin piece) can't protect steel construction metal gate, PLC controller control relay switch closure this moment, thereby make the potentiostat, the steel construction gate, establish ties between metallic platinum piece and the water and make the anion gathering protect at the surface of steel construction gate and to the steel construction gate.
2. This a device for steel construction gate cathodic protection system, through the PLC controller, mutually support between pH meter and the relay switch, the pH meter can be real-time detect near the steel construction gate the water acid-base and transmit the PLC controller through the form of signal of telecommunication, when water peracid or cross alkali, the steel construction gate can accelerate the ionization reaction, only lean on sacrificial anode (metallic tin piece) can't protect steel construction metal gate, PLC controller control relay switch closure this moment, thereby make the potentiostat, the steel construction gate, it makes the anion gathering and protects the steel construction gate at the surface of steel construction gate and to establish ties between metallic platinum piece and the water.
3. This a device for steel structure gate cathodic protection system, through the PLC controller, the pH meter, mutually support between temperature sensor and the relay switch, only when the temperature is too high and water peracid or cross alkali, the PLC controller just can control the relay switch closure, make the potentiostat, the steel structure gate, it makes the anion gathering protect the steel structure gate on the surface of steel structure gate and to carry out the series connection between metal platinum piece and the water, relay switch all is in the state of opening and shutting during normal temperature and water pH valve, can not cause the waste of potentiostat power resource, thereby the practicality of this a device for steel structure gate cathodic protection system has been improved.
Drawings
Fig. 1 is a control circuit diagram of the PLC controller of the present invention;
fig. 2 is a working circuit diagram of the potentiostat of the present invention.
In the figure: 1. a steel structure gate; 2. a metallic tin block; 3. a relay switch; 4. a potentiostat; 5. a platinum metal block; 6. a body of water; 7. a PLC controller; 8. a temperature sensor; 9. and a pH meter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a device for a steel structure gate cathode protection system comprises a potentiostat 4, a water body 6, a PLC controller 7, a temperature sensor 8 and a pH meter 9, wherein the potentiostat 4 is of a model MAS-2000, a relay switch 3 is of a model JZC1-22Z, the temperature sensor 8 is of a model CWDZ100, the pH meter 9 is of a model PHS-3C, the PLC controller 7 is of a model FX3U-16, the positive electrode of the potentiostat 4 is electrically connected with a platinum block 5 through a lead, the platinum block 5 is used as an auxiliary anode, the auxiliary anode is a device for supplying current to a protected structure and can be made of a plurality of materials, such as aluminum silver alloy, aluminum platinum alloy, platinum titanium plating, platinum niobium plating, graphite, scrap steel and the like, platinum is the best among the materials because the current density output by the device is as high as 1000A/m2, the consumption rate is very low and is only 0.01 gram per year, the negative pole of the potentiostat 4 is electrically connected with the relay switch 3 through a lead, the potentiostat 4 is a negative feedback amplification output system as a whole and forms closed loop regulation with the protected steel structure gate 1, the potential of a power-on point is measured through a reference electrode and is compared with a control signal as a sampling signal to realize control and regulation of polarization current output, so that the potential of the power-on point can be kept on a set control potential, the relay switch 3 is electrically connected with the steel structure gate through a lead, a metallic tin block 2 is fixedly arranged on the outer surface of the steel structure gate 1, the metallic tin block 2 belongs to active metal relative to a steel structure, in an ionization reaction, the metallic tin block 2 loses electrons and flows to the outer surface of the steel structure gate 1 so as to prevent the steel structure gate 1 from being corroded and oxidized by a water body 6, and the metallic tin blocks 2 are, steel construction gate 1 and metal platinum piece 5 all are located inside water 6, PLC controller 7 and relay switch 3, temperature sensor 8 and pH meter 9 electric connection, PLC controller 7 is a digital electronic equipment with microprocessor, a digital logic controller for automated control, can load control command at any time and store in the memory and carry out, programmable controller is by inside CPU, instruction and data memory, the input/output unit, the power module, the module group combination of units such as digital simulation, temperature sensor 8 and pH meter 9's test port all contact with near water 6 of steel construction.
Working principle, when near steel structure gate 1 temperature and 6 acid-base degrees of water all are normal condition, steel structure gate 1 can form ionization reaction through with between metallic tin piece 2 and the water 6, thereby make ionization metallic tin piece 2 can carry out cathodic protection to steel structure gate 1, through PLC controller 7, pH meter 9, mutually support between temperature sensor 8 and the relay switch 3, only when the temperature is too high and 6 peracid of water or cross alkali, only can't protect steel structure metal gate by metallic tin piece 2, PLC controller 7 control relay switch 3 is closed this moment, thereby make potentiostat 4, steel structure gate 1, carry out the series connection between metallic platinum piece 5 and the water 6 and make the anion gathering at steel structure gate 1's surface and protect steel structure gate 1.
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.
Claims (3)
1. The utility model provides a device for steel construction gate cathodic protection system, includes potentiostat (4), water (6), PLC controller (7), temperature sensor (8) and pH meter (9), its characterized in that: the positive pole of potentiostat (4) has metal platinum piece (5) through wire electric connection, the negative pole of potentiostat (4) has relay switch (3) through wire electric connection, relay switch (3) has the steel construction gate through wire electric connection, the surface fixed mounting of steel construction gate (1) has metal tin piece (2), PLC controller (7) and relay switch (3), temperature sensor (8) and pH meter (9) electric connection.
2. The device for the cathodic protection system of a steel structure gate according to claim 1, wherein: the metal tin blocks (2) are uniformly distributed on the outer surface of the steel structure gate (1) at equal intervals, and the steel structure gate (1) and the metal platinum blocks (5) are both located inside the water body (6).
3. The device for the cathodic protection system of a steel structure gate according to claim 1, wherein: and the test ports of the temperature sensor (8) and the pH meter (9) are both in contact with the water body (6) near the steel structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922478976.0U CN211645398U (en) | 2019-12-31 | 2019-12-31 | Device for steel structure gate cathode protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922478976.0U CN211645398U (en) | 2019-12-31 | 2019-12-31 | Device for steel structure gate cathode protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211645398U true CN211645398U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922478976.0U Expired - Fee Related CN211645398U (en) | 2019-12-31 | 2019-12-31 | Device for steel structure gate cathode protection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110983343A (en) * | 2019-12-31 | 2020-04-10 | 浙江绍防防腐保温工程有限公司 | Intelligent detection, analysis and management platform for steel structure gate cathode protection system |
-
2019
- 2019-12-31 CN CN201922478976.0U patent/CN211645398U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110983343A (en) * | 2019-12-31 | 2020-04-10 | 浙江绍防防腐保温工程有限公司 | Intelligent detection, analysis and management platform for steel structure gate cathode protection system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 Termination date: 20211231 |