CN208685059U - A kind of long-range monitoring cabinet of collecting well group cathodic protection digitlization - Google Patents
A kind of long-range monitoring cabinet of collecting well group cathodic protection digitlization Download PDFInfo
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Abstract
The utility model provides a kind of long-range monitoring cabinet of collecting well group cathodic protection digitlization; the monitoring cabinet includes cabinet body; set on the intracorporal AC power source control unit of cabinet, DC power control unit, intelligence instrument monitoring unit, direct current current divider and digitlization remote control terminal; AC power source control unit, DC power control unit and direct current current divider are sequentially connected electrically; intelligence instrument monitoring unit is electrically connected intelligence instrument monitoring unit and direct current current divider, digitlization remote control terminal and intelligence instrument monitoring unit communication connection；The other end of AC power source control unit is electrically connected with exchange, and direct current current divider one end is connected with the cathode of DC power control unit.The utility model realizes the long-range monitoring cathodic protection total current, branch current, current potential, operating condition of digitlization; when lightning electricity, remotely turns off cathodic protection digital monitoring cabinet, be not burned; energy starter cathode protection digital monitoring cabinet work afterwards, manages without human attendance and full-time staff.
Description
Technical field
The utility model belongs to collecting well group cathode protection technology field, and in particular to a kind of collecting well group cathodic protection number
The long-range monitoring cabinet of wordization.
Background technique
With the extension of use time, the corrosion of collecting well group is also got worse, and directly affects further opening for oil field
It adopts.For collecting well group casing corrosion based on outer wall corrosion, cathodic protection is the generally acknowledged effective technology of control external corrosion.
Reasonable cathodic Protection Design will effectively extend the service life of oil well casing.To adapt to adverse circumstances outside oil field, increase
Operational reliability simultaneously reduces cost, and collecting well group cathodic protection technique is taken using well group as unit, establishes yin by emphasis of casing
Protect system in pole.Collecting well group cathodic protection realizes that the process of this principle is, DC power cathode and each individual well casing connection,
DC power anode is connect with deep-well grounding anode, to constitute protective loop.
Oil field collecting well group cathodic protection well site distributed areas are wide, patrol and manage there are no full-time staff.Because of a variety of causes,
There is the damage of quite a few cathodic protection system every year, needs a large amount of maintenance costs.Especially thundery sky is turned off not in time, can make
It is struck by lightning and destroys at cathodic protection equipment, due to not having remote on-line monitoring, management is not caught up with again, and administrative staff do not know for a long time
As a result road causes cathodic protection equipment that cannot provide cathodic protection current to oil-water well, casing, which cannot be protected, will occur corruption
Erosion；When the cathodic protection current that cathodic protection digital monitoring cabinet is provided to casing is excessive, oil-water well external anti-corrosion layer can occur
Liberation of hydrogen removing, while being not met by the requirement of oil field digital Construction development at this stage.
In conclusion needing the new collecting well group cathodic protection of one kind digitizes long-range monitoring cabinet and monitoring method to meet
The requirement of oil field development.
Utility model content
The purpose of this utility model is to provide a kind of collecting well group cathodic protections to digitize long-range monitoring cabinet, overcomes existing
Collecting well group cathodic protection the problem of not digitizing remote monitoring function.
The technical scheme that the utility model is provided is as follows:
A kind of long-range monitoring cabinet of collecting well group cathodic protection digitlization, including cabinet body, are set to the intracorporal AC power source control of cabinet
Unit, DC power control unit, intelligence instrument monitoring unit, direct current current divider and digitlization remote control terminal processed, it is described
AC power source control unit, DC power control unit and direct current current divider are sequentially connected electrically, the intelligence instrument monitoring unit
It is electrically connected intelligence instrument monitoring unit and direct current current divider, the digitlization remote control terminal and intelligence instrument monitoring unit are logical
News connection.
The other end of the AC power source control unit is electrically connected with exchange, direct current current divider one end and DC power supply
The cathode of control unit is connected, and the other end connects Casing Failure, the anode connection deep-well sun of the DC power control unit
Pole.
The AC power source control unit includes total control switch, AC power source indicator light, exchange comprehensive protection device, branch
Control switch one and branch control switch two, the total control switch, AC power source indicator light, exchange comprehensive protection device successively with
AC power source connection, the branch control switch one and branch control switch two connect AC power source side by side.
The DC power control unit includes that the adjustable direct-current switch power supply one being arranged in parallel and adjustable direct current are opened
Powered-down source two, the adjustable direct-current switch power supply one and adjustable direct-current switch power supply two respectively with AC power source control unit
Branch control switch one and branch control switch two connect.
The intelligence instrument monitoring unit includes intelligent monitoring total current table, intelligent monitoring voltmeter and intelligent monitoring point electricity
Flow table, the intelligent monitoring total current table is serially connected between DC power control unit and deep well anode, for acquiring and transmitting
Collecting well group cathodic protection total current data, the intelligent monitoring voltmeter are attempted by DC power control unit both ends, are used for
Acquisition and transmission collecting well group cathodic protection voltage data, the intelligent monitoring divide ammeter to connect with direct current current divider, are used for
Acquisition and transmission each oil-water well cathodic protection current data of collecting well group.
The intelligent monitoring total current table, intelligent monitoring voltmeter and intelligent monitoring divide ammeter remotely to control with digitlization
Terminal electrical connection processed.
The direct current current divider includes multiple porcelain disc resistors being set side by side, each porcelain disc resistor one end and direct current
The cathode of source control unit is connected, and the other end connects Casing Failure, and each porcelain disc resistor concatenates intelligent monitoring point electricity
Flow table.
The digitlization remote control terminal includes the power supply being sequentially connected electrically, governor circuit, Acquisition Circuit and hair
Transmit-receive radio road.
The other end of the Casing Failure is connected with insulating joint.
The governor circuit is the single-chip microcontroller of the 80C196KC of Intel Company.
The beneficial effects of the utility model are: control DC voltage and electric current can be shown on the spot, and will acquire in data
Digitlization remote control terminal unit is passed, digitlization remote control terminal unit will upload data again and start stop signal passes through short day
Line is wirelessly transmitted on network switch short antenna, acquisition data is passed to interchanger again on short antenna, interchanger passes through
Existing oil field special optic fibre is transferred in remote monitoring terminal machine, is realized the long-range monitoring cathodic protection total current of digitlization, is divided
Branch electric current, current potential, operating condition etc., thunder lightning when, can remotely turn off cathodic protection digital monitoring cabinet work, do not burnt
It is bad, can star afterwards cathodic protection digital monitoring cabinet work, accomplish really it is unattended, be not required to full-time staff management.
It is described in further details below in conjunction with attached drawing.
Detailed description of the invention
Fig. 1 is the circuit connection diagram of the utility model；
Fig. 2 is the hardware block diagram for digitizing remote control terminal；
Fig. 3 is the software main program flow chart for digitizing remote control terminal；
Fig. 4 is the flow diagram of long-distance monitoring method.
In figure: 1, total control switch；2, AC power source indicator light；3, branch control switch one；4, branch control switch two；
5, adjustable direct-current switch power supply one；6, adjustable direct-current switch power supply two；7, intelligent monitoring total current table；8, intelligent monitoring electricity
Press table；9, intelligent monitoring divides ammeter；10, porcelain disc resistor；11, comprehensive protection device is exchanged；12, Casing Failure；13, short day
Line；14, deep well anode；15, insulating joint.
Specific embodiment
Embodiment 1:
A kind of long-range monitoring cabinet of collecting well group cathodic protection digitlization, including cabinet body are present embodiments provided, cabinet body is set to
Interior AC power source control unit, DC power control unit, intelligence instrument monitoring unit, direct current current divider and digitlization is remotely
Controlling terminal, the AC power source control unit, DC power control unit and direct current current divider are sequentially connected electrically, the intelligence
Instrument monitoring unit is electrically connected intelligence instrument monitoring unit and direct current current divider, the digitlization remote control terminal and Intelligent Instrument
Table monitoring unit communication connection；
The other end of the AC power source control unit is electrically connected with exchange, direct current current divider one end and DC power supply
The cathode of control unit is connected, and the other end connects Casing Failure 12, the anode connection deep-well of the DC power control unit
Anode 14.
The utility model can show control DC voltage and electric current on the spot, and acquisition data upload digitalization is remotely controlled
Terminal unit processed, digitlization remote control terminal unit will upload data again and start stop signal is transferred on the network switch, hands over
It changes planes and is transferred in remote monitoring terminal machine by existing oil field special optic fibre, realize that the long-range monitoring cathodic protection of digitlization is total
Electric current, branch current, current potential, operating condition etc., thunder lightning when, can remotely turn off cathodic protection digital monitoring cabinet work,
Be not burned, can star afterwards cathodic protection digital monitoring cabinet work, accomplish really it is unattended, be not required to full-time staff
Management.
Embodiment 2:
On the basis of embodiment 1, a kind of collecting well group cathodic protection digitlization as shown in Figure 1 is present embodiments provided
Long-range monitoring cabinet, the AC power source control unit include total control switch 1, AC power source indicator light 2, exchange comprehensive protection device
11, branch control switch 1 and branch control switch 24, the total control switch 1, AC power source indicator light 2, exchange synthesis
Protector 11 is successively connect with AC power source, and the branch control switch 1 and branch control switch 24 connect alternating current side by side
Source.
Industrial 220V voltage is grouped and is powered to direct-current switch power supply, exchange comprehensive protection device 11 has earth leakage protective, prevents
Lightning protected, short-circuit protection and overload protection function.When digitlization remote monitoring system generation lightning stroke, electric leakage, short circuit, overload event
When barrier, 11 snap action of comprehensive protection device is exchanged, cuts off Alternating Current Power Supply, the protection person and direct-current switch power supply safety.
The DC power control unit includes that the adjustable direct-current switch power supply 1 being arranged in parallel and adjustable direct current are opened
Powered-down source 26, the adjustable direct-current switch power supply 1 and adjustable direct-current switch power supply 26 are controlled with AC power source respectively
The branch control switch 1 and branch control switch 24 of unit connect.
Using load automatic current equalizing circuit, when two parallel runnings, using maximum current current-equalizing method, so
What is reflected on current equalizing bus bar is the electric current for exporting the maximum direct-current switch power supply of electric current, is born when the electric current of direct-current switch power supply is less than
When carrying electric current, feedback voltage level will be changed, to change the phase shift of PWM controller phase-shift pulse, and then change output voltage
And electric current realizes the purpose of automatic current equalizing so that the direct-current switch power supply electric current is consistent with maximum current.
The intelligence instrument monitoring unit includes intelligent monitoring total current table 7, intelligent monitoring voltmeter 8 and intelligent monitoring point
Ammeter 9, the intelligent monitoring total current table 7 is serially connected between DC power control unit and deep well anode 14, for acquiring
With transmission collecting well group cathodic protection total current data, the intelligent monitoring voltmeter 8 is attempted by DC power control unit two
End, for acquiring and transmitting collecting well group cathodic protection voltage data, the intelligent monitoring divides ammeter 9 and direct current current divider to connect
It connects, for acquiring and transmitting each oil-water well cathodic protection current data of collecting well group；
The intelligent monitoring total current table 7, intelligent monitoring voltmeter 8 and intelligent monitoring divide ammeter 9 remote with digitlization
The electrical connection of process control terminal.
Intelligent monitoring total current table 7 is electrically connected deep well anode 14 and parallel DC switch power supply anode, and by current data
The acquisition input port on remote control terminal, which is uploaded to, by its own Modbus485 interface carries out current data acquisition upload.
Intelligent monitoring voltmeter 8 is electrically connected parallel DC switch power supply cathode and anode, and voltage data is passed through its own
Modbus485 interface uploads to the acquisition input port on remote control terminal and carries out voltage data acquisition upload.
The direct current current divider includes multiple porcelain disc resistors 10 being set side by side, each 10 one end of porcelain disc resistor and straight
The cathode for flowing power control unit is connected, and the other end connects Casing Failure 12, and each porcelain disc resistor 10 concatenates an intelligence
Monitoring divides ammeter 9.
In the present embodiment, porcelain disc resistor 10 is 0~5 Ω/1500W, it is therefore an objective to control each well and reach equalization potential.Institute
The other end for stating Casing Failure 12 is connected with insulating joint 15, it is therefore an objective to prevent the unprotected pipeline in the other side cathodically protected
The interference corrosion of system stray electrical current.
The digitlization remote control terminal includes the power supply being sequentially connected electrically, governor circuit, Acquisition Circuit and hair
Transmit-receive radio road.
Digitlization remote control terminal is the control of cathodic protection processing remote data monitoring data collection, transmitting and control
Communication module, effect are that the acquisition of cathodic protection current data, voltage data and start stop signal data is uploaded to long-range control eventually
On end unit, transmitted to receive concurrent radio flow data, voltage data and start stop signal data, and by oil field special optic fibre
Current data, voltage data and start stop signal data are uploaded to remote monitoring terminal machine, realize that collecting well group cathodic protection is long-range
Monitoring, data storage, Web Publishing.
Embodiment 3:
On the basis of embodiment 2, the present embodiment digitizes each group of long-range monitoring cabinet to collecting well group cathodic protection
At the additional technical characteristic further description of unit.
11 model G702-YJBH of comprehensive protection device is exchanged, has anti-lightning strike, equipment leakage, short circuit, overload etc. comprehensive
Close defencive function.When lightning stroke, equipment leakage, short circuit, overload fault occurs, 11 snap action of comprehensive protection device, cutting are exchanged
Alternating Current Power Supply, the protection person and direct-current switch power supply safety.
DC power control unit includes double loop parallel-connection adjustable Switching Power Supply, double loop parallel-connection adjustable Switching Power Supply
It is made of the individually adjusted switch power parallel of two 5KW.The anode of power supply system is connected with intelligent monitoring total current table 7,
It is connected again with the deep anode well at scene, cathode is after intelligent monitoring divides ammeter 9 to be connected with porcelain disc resistor 10, then and protection
Casing Failure 12 be connected, and the earth constitute protective loop.Input voltage AC220V, output voltage DC0~60V, maximum electricity
80A is flowed, 4~5A electric current can be provided to 16 Casing Failures 12 and carry out cathodic protection.
Intelligent monitoring total current table 7 is electrically connected direct-current switch power supply anode and deep well anode 14, intelligent monitoring divide ammeter 9
Electrical connection direct-current switch power supply cathode and porcelain disc resistor 10, quantity are generally 9, can carry out to 9 Casing Failures 12
Cathodic protection current monitoring, can also set more, at most be equipped with 16, for monitoring each 12 protective current of Casing Failure, and
By current data by its own Modbus485 interface upload to digitlization remote control terminal unit on acquisition input port into
The acquisition of row current data uploads.Intelligent monitoring total current table 77 is the intelligent amperemeter of model YJBHZDL, the intelligence of the model
Ammeter performance is: 1, working environment: -20~+70 DEG C, relative humidity≤85%；2, working power: AC220V ± 10%, 50Hz；
3, number display: four 0.36 inch of charactrons, maximum display 0~999；4, display precision: ± 0.5%.
Intelligent monitoring voltmeter 8 is electrically connected parallel connection direct power control unit anode and cathode, due to the oil of each protection
12 supply voltage of well casing is the same, it is only necessary to an intelligent monitoring voltmeter 8 be arranged, for monitoring each 12 yin of Casing Failure
Voltage is protected in pole, and voltage data is uploaded to adopting on digitlization remote control terminal by its own Modbus485 interface
Collect input port and carries out voltage data acquisition upload.8 model YJBHDY of intelligent monitoring voltmeter, the intelligent monitoring voltage of the model
88 performance of table is: 1, working environment: -20~+70 DEG C, relative humidity≤85%；2, working power: AC220V ± 10%, 50Hz；3,
Number display: four 0.36 inch of charactrons, maximum display 0~999；4, display precision: ± 0.5%.
Remote control terminal (RTU) hardware design functional block diagram is digitized, Fig. 2 is referred to, is that CPU, analog quantity is defeated
Enter, the highly integrated module such as On-off signal, output switch parameter, communication port.It is high, reliable and stable, complete with degree of integration
The features such as meeting field requirement.Remote control terminal is digitized wirelessly to total current, branch in cathodic protection
Electric current, operating condition carry out real-time online monitoring, and realization is really unattended, ensure that cathodic protection system control parameter
Authenticity, thunder lightning when can long-range start and stop cathodic protection unit, be not burned out.The digitlization remote control terminal unit
The short antenna 13 of connection, short antenna 13 wirelessly transfer data to digital radio network.It has high flexible
The characteristics of combination, autonomous monitoring, application is very extensive, especially in the communications field, because it is with small in size, low noise, maintenance side
Just the advantages that computer supervisory control system of communication system being included into again.
In the present embodiment, governor circuit use Intel Company 80C196KC host, with the TXD of itself,
RXD is through digital transmission module and transmit circuit will receive data by short antenna 13 and signal is launched.To realize the man-machine of local
Interactive operation, system use the keyboard at the interface LCD and 24 keys, and in order to meet the needs monitored automatically, monitoring module is equipped with 8 tunnels
Digital quantity input port, No. 6 relay delivery outlets, 3 road A/D input, 2 road D/A output and two-way alarm output.Acquisition Circuit is made
With: by 0~60V DC voltage and each 0~10A of branch DC current after signal condition, monolithic is sent by variable connector
It is handled in machine 80C196KC.Control circuit effect: driving circuit passes through the long-range start and stop cathodic protection system of relay group.Hair
Transmit-receive radio road function: can configure GPRS module according to field demand, which can be used for that whether there is or not the transmission of the field data of network, and
The use environment of the bad ditching wiring in scene, user can match module according to requirements.
Remote control terminal (RTU) software design main program flow chart is digitized, Fig. 3 is referred to, software is soft using configuration
Part is managed concentratedly, the mode of independent control, and each module has oneself independent monitoring programme, when individual modules break down,
It will not influence complete machine operation.The initialization of system includes the initialization of single-chip microcontroller internal control registers, register section and data
The initialization etc. in area.Self-test includes RAM self-test and each sensor self-test of control system, self-test opens interruption and display after passing through when
Between, and display initialization subroutine is called, display system main menu can select each submenu, including operating parameter dish with keyboard
List, state menu, failure logging menu and Parameter Set-up Menu.Wherein Parameter Set-up Menu is only for having the maintenance personnel of permission
It uses, must input password can just be operated.Communication handshake is logical to determine by the numeric data code for sending condition code and reception rebound
Letter system it is normal whether.
Wherein, cabinet body is a rectangular parallelepiped structure, and length is 700mm, 500mm, 1850mm respectively.By taking Fig. 1 as an example,
The cabinet body is divide into upper part and lower part, and is used to install nine porcelain disc resistors 1010 in upper part, and lower part panels are used to install one
7, the nine pieces of intelligent monitorings of block intelligent monitoring total current table divide 9, one pieces of intelligent monitoring voltmeters 8 of ammeter and voltage swing to adjust rotation
Button；Total control switch 1, AC power source indicator light 2, exchange comprehensive protection device 11, branch control are installed on lower conductors inside mounting plate
Make switch 1 and branch control switch 24, adjustable direct-current switch power supply 1 and adjustable direct-current switch power supply 26, number
Change remote monitoring terminal.Each unit arrangement uniformly, coordinates installation, facilitates operation.
The light-weight cabinet body is more than 100 kilograms, and high-efficient up to 95% or more, pressure regulation does not emit cremate safety.Digitlization is long-range
Monitoring cabinet can provide reasonable cathodic protection current to oil-water well by DC power supply unit, obtain Casing Failure 12 for a long time
Protection is not corroded.It is always electric that cathodic protection can be remotely monitored by intelligent monitoring ammeter and intelligent monitoring voltmeter 8
Stream, branch current, current potential, operating condition;Thunder lightning when, by digitizing long-range monitoring cabinet medium-long range controlling terminal unit,
Remotely turn off cathodic protection digital monitoring cabinet, be not burned, accomplish really it is unattended, be not required to full-time staff management.It is right
The authenticity of cathodic protection significant data acquisition, improves cathodic protection operational efficiency, and the ability for improving the safety of monitoring has
Important meaning, realize and coincide oil field development demand.
Important technological parameters
1, working environment: -20~+65 DEG C, relative humidity≤85%.
2, working power: AC220V ± 10%, 50Hz.
3, rated direct voltage: 60VDC.
4, electric current, voltage display precision: ± 1%.
5, DC current: 0~80A is exported.
6, GPRS module working frequency: 900MHz/1800MHz, Zigbee wireless module working frequency: 2.4GMHz；433
Wireless module working frequency: 433MHz；Working frequency that WIFI module is wireless: 2.4GMHz；RJ45 NET0 cable.
Embodiment 4:
A kind of collecting well group cathodic protection digitlization long-distance monitoring method is present embodiments provided, collecting well group cathode is used
Protection digitizes long-range monitoring cabinet and digitlization wireless network cooperation, comprising the following steps:
Step 1) intelligent monitoring total current table 7, intelligent monitoring voltmeter 8 and intelligent monitoring divide ammeter 9 respectively will acquisition
Cathodic protection total current, cathodic protection voltage, digitlization remote control terminal unit is transferred in each point of current data, and will
Long-range start stop signal data are uploaded to digitlization remote control terminal unit；
Step 2 digitlization remote control terminal unit receives cathodic protection total current, cathodic protection voltage, each point of electricity
Flow data, and it is uploaded to by communication transfer with start stop signal data the short antenna 13 in digital radio network on router
On；
Above-mentioned each data are transferred in the digital radio network switch by step 3) short antenna 13 by interface, and will be negative
After pole protection total current, cathodic protection voltage, each point of current data are uploaded to remote control terminal machine by oil field private network optical fiber,
Realize the long-range monitoring of cathodic protection digitlization.As shown in Figure 4.
Principle: self-oscillation DC power supply is carried out with the detection control unit that technical grade micro computer and electrical component form
Pulsewidth regulation, exports continuous regulated dc voltage, shows control DC voltage and electric current on the spot with special monitoring table, and lead to
Remote control terminal will be digitized in acquisition data by crossing standard RS485 interface, and digitlization remote control terminal will upload electric current again
Data, voltage data and start stop signal are wirelessly transferred to the good network switch position of well site digital Construction, net
Network position switching mechanism increases by 1 set of radio receiver, and data are transferred to interchanger by RJ45 interface, then by having network
It is transmitted back to after being sent to remote monitoring terminal machine in station, realizes the long-range monitoring of collecting well group cathodic protection digitlization.
Wherein, digital radio network makes to be transmitted in the form of bridge.Digital radio network includes wireless receiving
The special module RJ45 interface of device, the digital radio network switch, radio receiver transfers data to digitlization nothing
The line network switch, then the digital radio network switch is by having in network transmission to remote monitoring terminal machine, in this way
Upload data volume is more, and speed is fast, does not interfere with each other mutually.
Exemplified as above is only to the utility model for example, not constituting to the protection scope of the utility model
Limitation, it is all to be belonged within the protection scope of the utility model with the same or similar design of the utility model.Embodiment does not have
There are the well-known components and common structure or conventional means of the component described in detail and the structure category industry, does not describe one by one here.
Claims (8)
1. a kind of collecting well group cathodic protection digitizes long-range monitoring cabinet, it is characterised in that: including cabinet body, be set to the intracorporal friendship of cabinet
Flow power control unit, DC power control unit, intelligence instrument monitoring unit, direct current current divider and the long-range control of digitlization eventually
End, the AC power source control unit, DC power control unit and direct current current divider are sequentially connected electrically, the intelligence instrument prison
Unit electrical connection intelligence instrument monitoring unit and direct current current divider are controlled, the digitlization remote control terminal and intelligence instrument monitor
Unit communications connection；
The other end of the AC power source control unit is electrically connected with exchange, direct current current divider one end and DC power control
The cathode of unit is connected, and the other end connects Casing Failure (12), the anode connection deep-well sun of the DC power control unit
Pole (14).
2. a kind of collecting well group cathodic protection according to claim 1 digitizes long-range monitoring cabinet, it is characterised in that: described
AC power source control unit includes total control switch (1), AC power source indicator light (2), exchange comprehensive protection device (11), branch control
Make switch one (3) and branch control switch two (4), the total control switch (1), AC power source indicator light (2), the comprehensive guarantor of exchange
Shield device (11) is successively connect with AC power source, and connection is handed over side by side for the branch control switch one (3) and branch control switch two (4)
Galvanic electricity source.
3. a kind of collecting well group cathodic protection according to claim 1 digitizes long-range monitoring cabinet, it is characterised in that: described
DC power control unit includes the adjustable direct-current switch power supply one (5) and adjustable direct-current switch power supply two being arranged in parallel
(6), the adjustable direct-current switch power supply one (5) and adjustable direct-current switch power supply two (6) are controlled with AC power source single respectively
Branch control switch one (3) and branch control switch two (4) connection of member.
4. a kind of collecting well group cathodic protection according to claim 1 digitizes long-range monitoring cabinet, it is characterised in that: described
Intelligence instrument monitoring unit includes that intelligent monitoring total current table (7), intelligent monitoring voltmeter (8) and intelligent monitoring divide ammeter
(9), the intelligent monitoring total current table (7) is serially connected between DC power control unit and deep well anode (14), for acquiring
With transmission collecting well group cathodic protection total current data, the intelligent monitoring voltmeter (8) is attempted by DC power control unit
Both ends, for acquiring and transmitting collecting well group cathodic protection voltage data, the intelligent monitoring divides ammeter (9) and direct current to shunt
Device connection, for acquiring and transmitting each oil-water well cathodic protection current data of collecting well group；
The intelligent monitoring total current table (7), intelligent monitoring voltmeter (8) and intelligent monitoring divide ammeter (9) with digitlization
Remote control terminal electrical connection.
5. a kind of collecting well group cathodic protection according to claim 1 digitizes long-range monitoring cabinet, it is characterised in that: described
Direct current current divider includes multiple porcelain disc resistors (10) being set side by side, each porcelain disc resistor (10) one end and DC power supply control
The cathode of unit processed is connected, and the other end connects Casing Failure (12), and each porcelain disc resistor (10) concatenates an intelligent monitoring
Divide ammeter (9).
6. a kind of collecting well group cathodic protection according to claim 1 digitizes long-range monitoring cabinet, it is characterised in that: described
Digitizing remote control terminal includes the power supply being sequentially connected electrically, governor circuit, Acquisition Circuit and transmit circuit.
7. a kind of collecting well group cathodic protection according to claim 1 digitizes long-range monitoring cabinet, it is characterised in that: described
The other end of Casing Failure (12) is connected with insulating joint (15).
8. a kind of collecting well group cathodic protection according to claim 6 digitizes long-range monitoring cabinet, it is characterised in that: described
Governor circuit is the single-chip microcontroller of the 80C196KC of Intel Company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821352502.0U CN208685059U (en) | 2018-08-22 | 2018-08-22 | A kind of long-range monitoring cabinet of collecting well group cathodic protection digitlization |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821352502.0U CN208685059U (en) | 2018-08-22 | 2018-08-22 | A kind of long-range monitoring cabinet of collecting well group cathodic protection digitlization |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108707907A (en) * | 2018-08-22 | 2018-10-26 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of collecting well group cathodic protection digitlization remote monitoring cabinet and method |
-
2018
- 2018-08-22 CN CN201821352502.0U patent/CN208685059U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108707907A (en) * | 2018-08-22 | 2018-10-26 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of collecting well group cathodic protection digitlization remote monitoring cabinet and method |
| CN108707907B (en) * | 2018-08-22 | 2023-11-07 | 中国石油天然气集团有限公司 | Digital remote monitoring cabinet and method for cathode protection of cluster well group |
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Effective date of registration: 20201030 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Address before: 710016 Changqing science and technology building, four Fengcheng Road, Xi'an, Shaanxi Patentee before: CNPC CHUANQING DRILLING ENGINEERING COMPANY LIMITED ENGINEERING TECHNOLOGY Research Institute |