CN208087753U - A kind of drain means of buried pipeline - Google Patents
A kind of drain means of buried pipeline Download PDFInfo
- Publication number
- CN208087753U CN208087753U CN201820419561.9U CN201820419561U CN208087753U CN 208087753 U CN208087753 U CN 208087753U CN 201820419561 U CN201820419561 U CN 201820419561U CN 208087753 U CN208087753 U CN 208087753U
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- China
- Prior art keywords
- branch
- decoupler
- direct current
- electrically connected
- ground terminal
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Abstract
The utility model discloses a kind of drain means of buried pipeline, include at least：Surge Protector, decoupler, direct current drainage branch, exchange drainage branch and ground terminal；One pipe nipple road of Surge Protector, the other end of Surge Protector are electrically connected with ground terminal；One pipe nipple road of decoupler, the other end of decoupler are then connected with fastp-acting fuse；Direct current drainage branch includes rectifier diode and direct current branch control switch；Exchange drainage branch includes polarity free capacitor and exchange branch switch；Decoupler passes sequentially through fastp-acting fuse, direct current branch control switch is electrically connected with the anode of rectifier diode, and the cathode of rectifier diode is electrically connected with ground terminal；Decoupler passes sequentially through fastp-acting fuse, exchange branch switch, polarity free capacitor and is electrically connected with ground terminal.This patent can effectively reduce the output electricity of potentiostat or sacrificial anode.The overprotection phenomenon of pipeline can also be effectively avoided simultaneously, ensure that pipe safety is reliably run.
Description
Technical field
The utility model is related to the cathode protection technology fields of long-distance transport pipes, more particularly to a kind of drainage of buried pipeline
Device.
Background technology
With electric railway transportation system, the great-leap-forward development of power industry and the extensive of long distance pipeline is built in recent years
If causing the alternating current and direct current electric utility with pipeline monitor/parallel in public corridor more and more, pipeline it is potential
Interference source quantity is more and more, and interference strength is increasing, and complexity is constantly aggravated so that the spuious of long-distance oil & gas pipeline is done
It is more prominent to disturb risk.
Stray electrical current is interfered, we generally take the mode passively administered, that is, take grounding type drainage mode, pass through
Stray current drainage device appropriate is aided with corresponding earthing material, to achieve the purpose that exclude stray electrical current, the success of drainage
Whether it is difficult to hold, the effect situation of drainage is difficult to understand.Traditional drainage mode, intelligent poor, monitoring and Maintenance Difficulty
Degree is big, brings various drawbacks.
With the gradually intensification that the responsible department of pipeline ownership recognizes stray electrical current, mode to drainage and controllable
Property is put forward higher requirements, and when pipeline is there are drainage is needed when the circulation of stray electrical current, when not needing drainage, is with earthing pole then
State in disconnection, i.e., " select drainage " remembers with gratitude, in this way can be with the loss of other protective device electronics of effective solution, more
Good saving resource.
Utility model content
The technical problems to be solved in the utility model is：A kind of drain means of buried pipeline are provided, the buried pipeline
Drain means can according to pipeline stray electrical current situation the type of adjust automatically drainage, realize can intelligent drainage mesh
's.
The utility model is adopted the technical scheme that solve technical problem present in known technology：
A kind of drain means of buried pipeline, include at least：
Surge Protector (1), a pipe nipple road of the Surge Protector (1), the other end of Surge Protector (1) with connect
Ground terminal (9) is electrically connected；
Decoupler (4), a pipe nipple road of the decoupler (4), the other end of decoupler (4) then with fastp-acting fuse
(5) it is connected；
Ground terminal (9),
Direct current drainage branch, the direct current drainage branch include rectifier diode (3) and direct current branch control switch (2)；
Exchange drainage branch, the exchange drainage branch includes polarity free capacitor (7) and exchange branch switch (6)；Wherein：
The decoupler (4) passes sequentially through fastp-acting fuse (5), direct current branch control switch (2) and rectifier diode (3)
Anode electrical connection, the cathode of the rectifier diode (3) is electrically connected with ground terminal (9)；The decoupler (4) passes sequentially through
Fastp-acting fuse (5), exchange branch switch (6), polarity free capacitor (7) are electrically connected with ground terminal (9).
Further：It further include the list for controlling direct current branch control switch (2) with exchanging branch switch (6) working condition
Piece machine.
Further：Further include the reference electrode and testing piece for being embedded in pipeline；The testing piece for monitoring in real time
Test the current potential of point.
Further：Further include the controller that data interaction is carried out with remote terminal, the I/O terminals of the controller pass through survey
Amount module is electrically connected with reference electrode and testing piece；The I/O terminals of the controller are electrically connected with microcontroller and communication module respectively
It connects.
The utility model has the advantages and positive effects of：
By using above-mentioned technical proposal, the drain means of the buried pipeline can according to pipeline stray electrical current situation and from
The type of dynamic adjustment drainage, realize can intelligent drainage purpose；The pole constituted simultaneously according to test test piece and reference electrode
Change probe, according to switch-off potential, pipe to soil potential is compared with the protection potential of setting, valid selection drainage type and intermittence
Discharge capacity is controlled, the consumption of drainage earthing pole can be effectively controlled, saves operation cost.
Description of the drawings
Fig. 1 is the structure chart of the utility model first preferred embodiment；
Fig. 2 is the structure chart of the second preferred embodiment of the utility model.
Wherein：1, Surge Protector, 2, direct current branch control switch, 3, rectifier diode, 4, decoupler, 5, quick fuse
Device, 6, exchange branch switch, 7, polarity free capacitor, 8, pipeline connecting terminal, 9, ground terminal.
Specific implementation mode
For that can further appreciate that the utility model content, feature and effect of the utility model, the following examples are hereby given, and
It is described in detail with the accompanying drawings as follows：
Referring to Fig. 1, a kind of drain means of buried pipeline, including：
Surge Protector 1, a pipe nipple road of the Surge Protector 1, the other end and ground terminal of Surge Protector 1
9 electrical connections；
Decoupler 4, a pipe nipple road of the decoupler 4, the other end of decoupler 4 are then connected with fastp-acting fuse 5；
Ground terminal 9,
Direct current drainage branch, the direct current drainage branch include rectifier diode 3 and direct current branch control switch 2；
Exchange drainage branch, the exchange drainage branch includes polarity free capacitor 7 and exchange branch switch 6；Wherein：
The decoupler 4 passes sequentially through the anode electricity of fastp-acting fuse 5, direct current branch control switch 2 and rectifier diode 3
Connection, the cathode of the rectifier diode 3 are electrically connected with ground terminal 9；The decoupler 4 passes sequentially through fastp-acting fuse 5, hands over
Stream branch switch 6, polarity free capacitor 7 are electrically connected with ground terminal 9.
Referring to Fig. 2, in order to realize automation control：
On the basis of above preferred embodiment：Further include being opened for controlling direct current branch control switch 2 with branch is exchanged
Close the microcontroller of 6 working conditions.Direct current branch control switch 2 with exchange branch switch 6 between the two be logic NOT relationship, i.e.,
When being closed for one, another is off-state；
Further include the reference electrode and testing piece for being embedded in pipeline；The testing piece is used for real-time monitoring and test point
Current potential；
Further include the controller that data interaction is carried out with remote terminal, the I/O terminals of the controller pass through measurement module
It is electrically connected with reference electrode and testing piece；The I/O terminals of the controller are electrically connected with microcontroller and communication module respectively.
Measurement module in above preferred embodiment measures pipeline current potential and test test piece current potential by reference electrode, will manage
The information such as road switch-off potential, DC potential and ac potential are uploaded to control system, and measurement module is constantly detecting system, can be with
According to pipeline environmental change, module provides duct size information in order to control in time.
The control module can be led to according to measurement module institute's test tube road electrical potential information, synthetic setting pipe protection information
Cross disconnection and closure of the communication module adjustment in time with drainage groundbed, the effective drainage mode and discharge capacity for controlling drainage.
Other modules, as power supply module for system provide electricity support, communication module then realize switch control effect and
Later stage carves the situation that access server understands drainage.
The operation principle of this patent is：The mode and discharge capacity of cathodic protection drainage according to pipeline actual environment and are done
Factor is disturbed constantly to change and set, it, will using direct current drainage mode when external environment is that the spuious factor of direct current causes
The one pipe nipple road in drainage circuit, other end, which is run in, flows earthing pole, passes through the DC voltage pair of the detection pipeline of detecting system
Than the voltage of test piece, according to logic decision as a result, on or off by controlling switch setting circuit, effective control row
The state of stream.
The controllable type drainage circuit structure of the utility model is as shown in Fig. 2, wherein reference electrode and testing piece is embedded in
Pipeline forms a polarized probe；Reference electrode, testing piece, pipeline are connected with measurement module respectively；And measure mould
Block, communication module, power supply module, microcontroller control switch are connected with control module respectively, and control module passes through microcontroller control
System switch is connected with electric drainager, the other end of take over road of electric drainager.
When the stray electrical current in the earth flows through buried pipeline, measurement module constantly monitor pipeline current potential and with test test piece
Current potential compares, and signal is sent to control module, control module and the control voltage signal of microcontroller configuration switch setting carry out
After logic judgment, the switch and closure of electric drainager are according to circumstances judged, when transmission signal is that communication factors influence then selects to exchange
Drainage circuit, and it is that direct current factor causes to work as circuit, then switch is selected as direct current drainage pattern DC loops and ac circuit
And switch combination is in electric drainager.
If when this patent in use, there is surge current in circuit, decoupler 4 can first be run in electric drainager at this time, delay wave
Electric current is gushed, ensures that the normal operation of Surge Protector 1, surge device 1 can be subjected to multiple surge absoption electric current.When existing in system
When larger current, fastp-acting fuse 3 can play power-off effect, protect the safe operation of electric drainager, two pole of direct current in electric drainager
It is respectively the state model connected direct current drainage with exchange drainage to manage with capacitance.
The embodiments of the present invention are described in detail above, but the content is only the preferable of the utility model
Embodiment should not be considered as limiting the scope of the present invention.It is made according to the scope of application of this utility model equal
Deng variation and improvement etc., should all still belong within the patent covering scope of the utility model.
Claims (4)
1. a kind of drain means of buried pipeline, it is characterised in that：It includes at least：
Surge Protector (1), a pipe nipple road of the Surge Protector (1), the other end and ground terminal of Surge Protector (1)
Sub (9) electrical connection；
Decoupler (4), a pipe nipple road of the decoupler (4), the other end of decoupler (4) then with fastp-acting fuse (5) phase
Connection；
Ground terminal (9),
Direct current drainage branch, the direct current drainage branch include rectifier diode (3) and direct current branch control switch (2)；
Exchange drainage branch, the exchange drainage branch includes polarity free capacitor (7) and exchange branch switch (6)；Wherein：
The decoupler (4) passes sequentially through fastp-acting fuse (5), direct current branch control switchs the sun of (2) and rectifier diode (3)
Pole is electrically connected, and the cathode of the rectifier diode (3) is electrically connected with ground terminal (9)；The decoupler (4) passes sequentially through quickly
Fuse (5), exchange branch switch (6), polarity free capacitor (7) are electrically connected with ground terminal (9).
2. the drain means of buried pipeline according to claim 1, it is characterised in that：Further include for controlling direct current branch
Control switch (2) and the microcontroller for exchanging branch switch (6) working condition.
3. the drain means of buried pipeline according to claim 2, it is characterised in that：Further include being embedded in pipeline
Reference electrode and testing piece；The testing piece is used for the current potential of real-time monitoring and test point.
4. the drain means of buried pipeline according to claim 3, it is characterised in that：Further include with remote terminal into line number
According to interactive controller, the I/O terminals of the controller are electrically connected by measurement module with reference electrode and testing piece；The control
The I/O terminals of device processed are electrically connected with microcontroller and communication module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820419561.9U CN208087753U (en) | 2018-03-27 | 2018-03-27 | A kind of drain means of buried pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820419561.9U CN208087753U (en) | 2018-03-27 | 2018-03-27 | A kind of drain means of buried pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208087753U true CN208087753U (en) | 2018-11-13 |
Family
ID=64060368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820419561.9U Expired - Fee Related CN208087753U (en) | 2018-03-27 | 2018-03-27 | A kind of drain means of buried pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208087753U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856973A (en) * | 2020-03-12 | 2020-10-30 | 同济大学 | Intelligent control system for buried steel pipe and rail drainage |
| CN114517297A (en) * | 2022-01-28 | 2022-05-20 | 国家石油天然气管网集团有限公司 | Test pile with functions of cathode protection parameter acquisition and drainage decision |
-
2018
- 2018-03-27 CN CN201820419561.9U patent/CN208087753U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856973A (en) * | 2020-03-12 | 2020-10-30 | 同济大学 | Intelligent control system for buried steel pipe and rail drainage |
| CN114517297A (en) * | 2022-01-28 | 2022-05-20 | 国家石油天然气管网集团有限公司 | Test pile with functions of cathode protection parameter acquisition and drainage decision |
| CN114517297B (en) * | 2022-01-28 | 2024-05-07 | 国家石油天然气管网集团有限公司 | Test pile with cathode protection parameter acquisition and drainage decision function |
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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 |
Granted publication date: 20181113 Termination date: 20210327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |