CN206783764U - A kind of buried pipeline cathodic protection system - Google Patents
A kind of buried pipeline cathodic protection system Download PDFInfo
- Publication number
- CN206783764U CN206783764U CN201720620193.XU CN201720620193U CN206783764U CN 206783764 U CN206783764 U CN 206783764U CN 201720620193 U CN201720620193 U CN 201720620193U CN 206783764 U CN206783764 U CN 206783764U
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- China
- Prior art keywords
- binding post
- buried pipeline
- cathodic protection
- circuit
- test pile
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Abstract
Buried pipeline cathodic protection system is the utility model is related to, including wireless manipulation box, buried pipeline, anode and test pile, the wireless binding post A for manipulating box one end are connected with buried pipeline, the other end is connected with the binding post E on test pile；Binding post B one end is connected with anode, and the other end is connected with the binding post F on test pile；It is connected between binding post E and binding post F by the copper connection sheet on test pile；In circuit between one end access binding post A and binding post E of relay contact switch, in the circuit between the other end access binding post B and binding post F of relay contact switch；Self-power wireless transport module is according to the break-make of outer signals control relay contact switch；The utility model uses dual-protection circuit, in the case where test pile ground protection circuit is destroyed, the relay protection circuit still normal work protection buried pipeline of underground, very safely and effectively.
Description
Technical field
The utility model belongs to anti-corrosion of metal field, and in particular to a kind of buried pipeline cathodic protection system.
Background technology
In order to realize anticathode protection, existing method is sacrificial anode to reach the purpose of slowing down cathode corrosion.Mesh
All sacrificial anodes in the preceding country be mostly on main structure body by anode substrate in itself, fill out construction materials contract and connecting wire three parts group
Into.The connected mode of anode field application：1) as shown in figure 1, using directly positive wire is welded on official road；2) such as Fig. 2
It is shown, by the way that anode cable is guided into test pile binding post, sacrificial anode is connected to cathodic protection system by way of bridging
In.
But both two ways most generally used at present but respectively have deficiency.Connection between Fig. 1 Anodics and negative electrode
, it is necessary to disconnect the protection circuit between anode and negative electrode when mode detects after later maintenance, because anode has been welded in
Need the buried pipe excavation in underground to disconnect protection circuit on pipeline, when maintenance, this method one is desirable
Substantial amounts of man power and material, second, have no idea to accomplish to be broken by all cloudy Bao Yuan in protective conduit, therefore some pictures
CIPS etc. detection technique does not just apply to the pipeline of this situation, is examined in addition for the cathodic protection potential of the portable reference in ground
Survey, it is contemplated that have the influence that IR drops, the protection potential measured can not often represent real pipeline cathode protection current potential；Fig. 2）
The mode of connection between Anodic and negative electrode, which changes, have been arrived in test pile terminal box more than ground, although can be by manually disconnecting
The mode of jumper disconnects the later maintenance and detection for by the cloudy Bao Yuan in protective conduit, realizing pipeline.But usually because by
To the influence of human factor, test pile is stolen or is seriously damaged, and causes sacrificial anode to be disconnected with protected metallic conduit,
The loop for causing the cathodic protection electronics of sacrificial anode to flow is interrupted, even if still being existed by buried sacrificial anode this when, by
It has been not present in the loop of cathodic protection, cathodic protection also just loses effect, causes great waste of material.
Therefore, how convenient effectively to realize that cathodic protection is the current technical issues that need to address.
The content of the invention
The purpose of this utility model is in view of the shortcomings of the prior art, there is provided one kind uses buried pipeline cathodic protection system
Unite, except the mode bridged between existing negative electrode and anode, realization are buried in buried pipeline cathodic protection system of the present utility model
Outside the cathodic protection of ground pipeline, wireless manipulation box is also additionally arranged, the wireless self-power wireless transport module manipulated in box passes through day
Line end terminal receives outer signals, and according to the break-make of outer signals control relay contact switch, realizes anode and buried
The break-make of connection circuit between pipeline, ensure again for the cathodic protection increase by one of buried pipeline on the basis of existing technology.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of cathodic protection system of buried pipeline, the buried pipeline cathodic protection system include wireless manipulation box, buried
Ground pipeline, anode and test pile, the wireless manipulation box include relay, self-power wireless transport module, binding post and day
Line end terminal；
The binding post includes binding post A and binding post B；Binding post A one end is connected with buried pipeline, separately
One end is connected with the binding post E on test pile；Binding post B one end is connected with anode, the other end and connecing on test pile
Line terminals F is connected；It is connected between the binding post E and binding post F by the copper connection sheet on test pile；
In circuit between one end access binding post A and binding post E of relay contact switch, relay contact is opened
In circuit between the other end access binding post B and binding post F of pass；Self-power wireless transport module passes through antenna terminal
Terminal reception outer signals, and according to the break-make of outer signals output high level control relay contact switch；Work as buried pipeline
Between anode during the connection of circuit, the cathodic protection to buried pipeline is realized.
The principle that self-power wireless transport module of the present utility model uses passes for wireless signal commonly used in the prior art
Defeated and control principle.For example, a kind of pattern that can use of self-power wireless transport module of the present utility model for：Including connecing
Module, power circuit, control module and transmitter module are received, Transmission system can use PT2262/PT2272 chips as transmission
With the core of reception, to PT2262, the number of delivering letters is received PT2272, and the signal obtained according to receiving is decoded, finally
Signal is amplified by triode, relay module is when that its receiving circuit has high level signal to enter is fashionable, and relay is by current
Working condition be switched to logic off working state, corresponding to the connection and interruption of anode and buried pipeline.
As preferable technical scheme：
Preferably, wirelessly the binding post of manipulation box also includes binding post C and binding post D；Binding post A is with passing through
Binding post C is connected with the binding post E on test pile；Binding post B binding posts D and the binding post F phases on test pile
Even.
Preferably, in the connection circuit between one end access binding post A and binding post C of relay contact switch,
In connection circuit between the other end access binding post B and binding post D of relay contact switch.
Preferably, the control power supply of relay coil is connected with self-power wireless transport module, self-power wireless transmission mould
Root tuber controls the break-make of above-mentioned control power supply according to outer signals, and then realizes the control to relay contact switch break-make.
Preferably, the outer signals, which are divided into, carries out cathodic protection to buried pipeline and without two kinds of letters of cathodic protection
Number, when outer signals are cathode protection signal, self-power wireless transport module control relay contact switch closure, underground pipe
Circuit between road and anode is connected；Conversely, self-power wireless transport module control relay contact switch disconnects, buried pipeline
Circuit between anode disconnects.The transmission of outer signals in the utility model can be by matching somebody with somebody with self-power wireless transport module
The remote control of set is realized, the break-make of relay is realized by RPB.
Preferably, 8-16 mm are used between the binding post in the wireless manipulation box2Multi-core cable connection；Relay
One end access binding post A in, in other end access binding post.
Preferably, the wireless manipulation box is located at following test piles located on the ground.
Preferably, the self-power wireless transport module is connected by signal cable with relay.Self-power wireless transmits
Module is provided with lithium battery in it, so as to realize self-powered.
Preferably, after removing the copper connection sheet between binding post E and binding post F, binding post E and binding post
Breaking between F, the circuit between buried pipeline and anode disconnects.
Galvanic anode protection method：Using the stronger metal of reproducibility as protection pole, it is connected composition with by protection metal
Galvanic cell, the stronger metal of reproducibility will occur oxidation reaction as negative pole and consume, and protected metal can as positive pole
To avoid corroding.Because this method sacrifices anode（The negative pole of galvanic cell）Protect the negative electrode (positive pole of galvanic cell）, thus cry
Do sacrificial anode（The negative pole of galvanic cell）Protection Code.
Therefore, in order to realize the cathodic protection to buried pipeline, it is necessary to assure the UNICOM of circuit between buried pipeline and anode.
The utility model employs dual-protection circuit to realize the cathodic protection to buried pipeline：The first via is anode, underground pipe
Ground protection circuit between road, test pile three；Second tunnel is that anode, buried pipeline, relay and self-power wireless pass
The underground protection circuit formed between defeated module.Cathodic protection system of the present utility model, in test pile ground protection circuit quilt
In the case of destruction, the relay protection circuit still normal work protection buried pipeline of underground, very safely and effectively.
In addition, cathodic protection system of the present utility model can also realize the effective detection to buried pipeline, to buried
When pipeline is detected, above-mentioned dual-protection circuit need to be disconnected：Wherein ground protection circuit need to only push the copper on test pile aside
Matter connection sheet；Underground protection circuit only need to disconnect relay contact switch by the remote control of ground.
Beneficial effect
Cathodic protection system of the present utility model, employs dual-protection circuit, is broken in test pile ground protection circuit
In the case of bad, the relay protection circuit still normal work protection buried pipeline of underground, very safely and effectively.Overcome existing
There is the problem of buried pipeline in technology can not effectively realize cathodic protection, the waste of sacrificial anode material will not be caused, save
Cost.
Cathodic protection system of the present utility model, the effective detection to buried pipeline is realized, when detection, it is necessary to disconnect
During the signal source being connected with by protective, the copper connection sheet that ground protection circuit need to be only pushed aside on test pile can disconnect；Ground
Lower protection circuit only need to disconnect relay contact switch by the remote control of ground and can disconnect, without as of the prior art
To pipe excavation, simple and fast, substantial amounts of manpower and materials have been saved.
Cathodic protection system of the present utility model, can effectively it avoid in conventional measurement test pile bridging method cathodic protection system, by
In test pile loss or go to pot, cause the disconnection of anode and cathode, cathodic protection failure, sacrificial anode material waste it is severe after
Fruit.
Brief description of the drawings
Fig. 1 is that prior art Anodic is directly welded at circuit diagram on buried pipeline；
Fig. 2 is the circuit diagram that prior art Anodic is jumped in test pile patch panel；
Fig. 3 is the circuit diagram that the utility model Anodic is connected in cathodic protection system；
Fig. 4 is the structural representation of wireless manipulation box of the present utility model；
Fig. 5 is the circuit diagram in anode connecting test stake patch panel of the present utility model；
Wherein, 1- buried pipelines, 2- anodes, 3- wirelessly manipulate box, 3-1- binding posts A, 3-2- binding post B, 3-3-
Binding post C, 3-4- binding post D, 3-5- antenna terminal terminal, 3-6- self-power wireless transport modules, 3-7- relays, 4-
Test pile patch panel, the copper connection sheet of 4-1- binding posts E, 4-2- binding post F, 4-3-, 4-4- binding posts G, 5- survey
Test pile.
Embodiment
With reference to embodiment, the utility model is expanded on further.
The cathodic protection system of buried pipeline of the present utility model, the utility model Anodic are connected to cathodic protection system
In circuit diagram as shown in figure 3, including wireless manipulation box 3, buried pipeline 1, anode 2 and test pile 5, it is wireless manipulate box 3,
Including relay 3-7, self-power wireless transport module 3-6, binding post and antenna terminal terminal 3-5；
Line terminals include binding post A 3-1 and binding post B 3-2；Binding post A 3-1 one end and buried pipeline
It is connected, the other end is connected with the binding post E 4-1 on test pile；Binding post B 3-2 one end is connected with anode, the other end
It is connected with the binding post F 4-2 on test pile；By on test pile between binding post E 4-1 and binding post F 4-2
Copper connection sheet 4-3 is connected；Wherein, binding post E 4-1 and binding post F 4-2 and copper connection sheet 4-3 are respectively mounted
In test pile patch panel 4；Circuit diagram in anode connecting test stake patch panel of the present utility model, such as Fig. 5 institutes
Show.
In circuit between one end access binding post A 3-1 and binding post E 4-1 of relay contact switch, relay
In circuit between the other end access binding post B 3-2 and binding post F 4-2 of device contact switch；Self-power wireless transmits
Module 3-6 receives outer signals by antenna terminal terminal 3-5, and according to outer signals control relay 3-7 contact switch
Break-make；When the connection of circuit between buried pipeline 1 and anode 2, the cathodic protection to buried pipeline 1 is realized.
Preferably, wirelessly the binding post of manipulation box also includes binding post C and binding post D；Binding post A 3-1 with
It is connected by binding post C with the binding post E 4-1 on test pile；Binding post B binding posts D and the wiring on test pile
Terminal F 4-2 are connected.The structural representation of wireless manipulation box as shown in figure 4,
Preferably, the connection between one end access binding post A 3-1 and binding post C of relay 3-7 contact switch
In circuit, in the connection circuit between the other end access binding post B and binding post D of relay 3-7 contact switch.
Preferably, the control power supply of relay 3-7 coils is connected with self-power wireless transport module 3-6, self-powered without
Line transport module 3-6 controls the break-make of above-mentioned control power supply according to outer signals, and then realizes to relay 3-7 contact switch
The control of break-make.
Preferably, outer signals, which are divided into, carries out cathodic protection to buried pipeline 1 and without two kinds of signals of cathodic protection,
When outer signals are cathode protection signal, self-power wireless transport module 3-6 control relay 3-7 contact switch closure,
Circuit between buried pipeline 1 and anode 2 is connected；Conversely, self-power wireless transport module 3-6 control relays 3-7 is touched
Point switches off, and the circuit between buried pipeline 1 and anode 2 disconnects.
Preferably, 8-16 mm wirelessly are used between the binding post in manipulation box2Multi-core cable connection.
Preferably, wirelessly manipulation box is located at underground, and test pile is located on the ground.
Preferably, self-power wireless transport module 3-6 is connected by signal cable with relay 3-7.
Preferably, after removing the copper connection sheet 4-3 between binding post E 4-1 and binding post F 4-2, terminals
Breaking between sub- E 4-1 and binding post F 4-2, the circuit between buried pipeline 1 and anode 2 disconnects.
Cathodic protection system of the present utility model, employs dual-protection circuit, is broken in test pile ground protection circuit
In the case of bad, the relay protection circuit still normal work protection buried pipeline of underground, very safely and effectively.Overcome existing
There is the problem of buried pipeline in technology can not effectively realize cathodic protection, the waste of sacrificial anode material will not be caused, save
Cost.And prior art only has a heavy cathodic protection circuit as shown in Figure 1 or 2.Wherein, in Fig. 1 buried pipeline directly and
Anode is connected；In Fig. 2, buried pipeline and sacrificial anode are attached by the way of being bridged in test pile patch panel, its
Connected mode between binding post 4-1, binding post 4-2 and copper connection sheet 4-3 is identical with the utility model, difference
It is in and is also used for connecing anode in binding post 4-4, as it with binding post 4-2 connects the effect of anode.
Cathodic protection system of the present utility model, when being detected to buried pipeline, ground protection circuit need to only be pushed aside
Copper connection sheet on test pile can disconnect；Underground protection circuit only need to disconnect relay contact by the remote control of ground
Switch can disconnect, without, to pipe excavation, simple and fast, having saved substantial amounts of manpower and materials as of the prior art.
Claims (9)
1. a kind of cathodic protection system of buried pipeline, it is characterized in that：The buried pipeline cathodic protection system includes wireless behaviour
Box, buried pipeline, anode and test pile are controlled, the wireless manipulation box includes relay, self-power wireless transport module, terminals
Son and antenna terminal terminal；
The binding post includes binding post A and binding post B；Binding post A one end is connected with buried pipeline, the other end
It is connected with the binding post E on test pile；Binding post B one end is connected with anode, the other end and the terminals on test pile
Sub- F is connected；It is connected between the binding post E and binding post F by the copper connection sheet on test pile；
In circuit between one end access binding post A and binding post E of relay contact switch, relay contact switch
In circuit between other end access binding post B and binding post F；Self-power wireless transport module passes through antenna terminal terminal
Outer signals are received, and the break-make of high level control relay contact switch is exported according to outer signals；
When the connection of circuit between buried pipeline and anode, the cathodic protection to buried pipeline is realized.
2. the cathodic protection system of buried pipeline according to claim 1, it is characterised in that：The terminals of wireless manipulation box
Son also includes binding post C and binding post D；Binding post A is with passing through the binding post E phases on binding post C and test pile
Even；Binding post B binding posts D is connected with the binding post F on test pile.
3. the cathodic protection system of buried pipeline according to claim 2, it is characterised in that：The one of relay contact switch
Terminate in the connection circuit between binding post A and binding post C, the other end access binding post of relay contact switch
In connection circuit between B and binding post D.
4. the cathodic protection system of buried pipeline according to claim 1, it is characterised in that：The control electricity of relay coil
Source is connected with self-power wireless transport module, and self-power wireless transport module controls the logical of above-mentioned control power supply according to outer signals
It is disconnected, and then realize the control to relay contact switch break-make.
5. the cathodic protection system of buried pipeline according to claim 4, it is characterised in that：The outer signals are divided into pair
Buried pipeline carries out cathodic protection and without two kinds of signal of cathodic protection, when outer signals are cathode protection signal, confession
Electric wireless transport module control relay contact switch closure, the circuit between buried pipeline and anode are connected；Conversely, self-powered
Wireless transport module control relay contact switch disconnects, and the circuit between buried pipeline and anode disconnects.
6. a kind of cathodic protection system of buried pipeline according to claim 1 or 2, it is characterized in that：The wireless manipulation
8-16 mm are used between binding post in box2Multi-core cable connection；In one end access binding post A of relay, the other end
Access in binding post.
7. a kind of cathodic protection system of buried pipeline according to claim 1, it is characterized in that：The wireless manipulation box is set
In underground, the test pile is located on the ground.
8. a kind of cathodic protection system of buried pipeline according to claim 1, it is characterized in that：The self-power wireless passes
Defeated module is connected by signal cable with relay.
9. a kind of cathodic protection system of buried pipeline according to claim 1, it is characterized in that：Remove binding post E and
It is breaking between binding post E and binding post F after copper connection sheet between binding post F, between buried pipeline and anode
Circuit disconnects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720620193.XU CN206783764U (en) | 2017-05-31 | 2017-05-31 | A kind of buried pipeline cathodic protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720620193.XU CN206783764U (en) | 2017-05-31 | 2017-05-31 | A kind of buried pipeline cathodic protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206783764U true CN206783764U (en) | 2017-12-22 |
Family
ID=60714648
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720620193.XU Expired - Fee Related CN206783764U (en) | 2017-05-31 | 2017-05-31 | A kind of buried pipeline cathodic protection system |
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| Country | Link |
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| CN (1) | CN206783764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107904600A (en) * | 2018-01-02 | 2018-04-13 | 重庆燃气集团股份有限公司 | A kind of cathodic protection system of buried metal pipeline and anode detecting system and method |
-
2017
- 2017-05-31 CN CN201720620193.XU patent/CN206783764U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107904600A (en) * | 2018-01-02 | 2018-04-13 | 重庆燃气集团股份有限公司 | A kind of cathodic protection system of buried metal pipeline and anode detecting system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20171222 Termination date: 20210531 |