CN216107222U - Oil gas pipeline insulation joint and yin bao automatic testing system - Google Patents
Oil gas pipeline insulation joint and yin bao automatic testing system Download PDFInfo
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- CN216107222U CN216107222U CN202122424240.2U CN202122424240U CN216107222U CN 216107222 U CN216107222 U CN 216107222U CN 202122424240 U CN202122424240 U CN 202122424240U CN 216107222 U CN216107222 U CN 216107222U
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 238000009413 insulation Methods 0.000 title claims description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims description 28
- 238000004210 cathodic protection Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 12
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 11
- 229910052744 lithium Inorganic materials 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000001012 protector Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 9
- 238000011156 evaluation Methods 0.000 abstract description 7
- 230000001276 controlling effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Abstract
The utility model discloses an automatic testing system for an oil-gas pipeline insulating joint, which comprises a power supply, a tester, a relay module, a testing cable and a reference electrode, wherein the power supply is connected with the tester; the relay module comprises a protective side relay module and a non-protective side relay module; the test cable comprises a first cable, a second cable, a third cable, a fourth cable and a fifth cable; the first cable and the second cable are respectively connected with a protection side pipeline and a non-protection side pipeline, the fourth cable and the fifth cable are respectively connected with a protection side sacrificial anode and a non-protection side sacrificial anode, the tester is connected with the reference electrode through the third cable, the tester is connected with the first cable and the fourth cable through the protection side relay module, and the tester is connected with the second cable and the fifth cable through the non-protection side relay module. The utility model can realize the automatic detection and evaluation of the operation state of the insulating joint and the protection effect of the pipeline cathode protection system.
Description
Technical Field
The utility model belongs to the technical field of oil and gas pipeline monitoring, and particularly relates to an oil and gas pipeline insulation joint and a yin bao automatic testing system.
Background
The insulating joint is used as an essential insulating and pressure-bearing element in an oil-gas pipeline, has the characteristics of high insulation, good sealing property, higher rigidity, long service life and zero maintenance cost, and is widely applied to various oil-gas pipelines and cathode protection systems thereof. In the operation process of the oil-gas pipeline, the insulating joint can effectively block the flow of cathodic protection current and stray current on the pipeline under the condition of not influencing the flow of fluid in the pipeline, and the cathodic protection effect of a cathodic protection system and the electrochemical corrosion protection capability of the pipeline are obviously improved. However, as time goes on, external environment changes and the insulation joint is affected by factors such as internal defects of the insulation joint, the insulation joint gradually has the problems of sealing failure, insulation performance damage, hidden strength hidden danger and the like, and great economic loss can be caused and the operation of the pipeline can be directly affected, so that the method has important significance in detecting the performance and the operation state of the insulation joint. However, since the insulated joints are mostly buried underground, it is difficult to find hidden dangers in time and evaluate the severity and types of the hidden dangers, and finally, a great loss is caused. Therefore, efficient and convenient online detection and evaluation of the performance of the insulating joint are necessary. And the protection effect of the cathodic protection system also needs to be detected in real time so as to ensure the protection of the cathodic protection system on the oil and gas pipeline.
At the present stage, the detection equipment in the market is mainly handheld detection equipment, the required manual input is large, the interference by the surrounding environment of a pipeline is serious, the detection frequency is low, and the running states of an insulating joint and a cathode protection system are difficult to effectively represent; the online detection equipment based on the PCM and current loop detection technology has high detection precision and good reliability, but has the problems of high construction and management cost, difficult maintenance and the like, so the online detection equipment for the insulating joint and the cathode protection system, which has high research and development cost performance, good precision and convenient use, has good practical engineering significance.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides an oil-gas pipeline insulation joint and a cathode protection automatic test system, which can realize the automatic detection of the operation states of the insulation joint and a cathode protection system, and have the advantages of simple structure, simple and convenient installation and higher detection precision.
The utility model adopts the following technical scheme:
an oil gas pipeline insulation joint and negative protection automatic test system comprises a power supply, a tester, a relay module, a test cable and a reference electrode, wherein the power supply is connected with the tester;
the oil gas pipeline is divided into a protection side pipeline and a non-protection side pipeline through an insulation joint, and the cathodic protection system is connected with the protection side pipeline;
the relay module comprises a protective side relay module and a non-protective side relay module;
the test cable comprises a first cable, a second cable, a third cable, a fourth cable and a fifth cable;
the first cable and the second cable are respectively connected with a protection side pipeline and a non-protection side pipeline, the fourth cable and the fifth cable are respectively connected with a protection side sacrificial anode and a non-protection side sacrificial anode, the tester is connected with the reference electrode through the third cable, the tester is connected with the first cable and the fourth cable through the protection side relay module, and the tester is connected with the second cable and the fifth cable through the non-protection side relay module.
Preferably, the protection side relay module comprises a first single-pole double-throw relay and a first single-pole single-throw relay, the first cable and the fourth cable are connected through the first single-pole single-throw relay, and the tester is connected with the first cable and the fourth cable through the first single-pole double-throw relay.
Preferably, the non-protection side relay module comprises a second single-pole double-throw relay and a second single-pole single-throw relay, the second cable and the fifth cable are connected through the second single-pole single-throw relay, and the tester is connected with the second cable and the fifth cable through the second single-pole double-throw relay.
Preferably, the tester comprises a microcontroller and an AD conversion module which are connected, the AD conversion module is respectively connected with the protective side relay module and the non-protective side relay module, and the AD conversion module is connected with the reference electrode through a third cable.
Preferably, the relay module further comprises a first driving chip and a second driving chip, the microcontroller is respectively connected with the first driving chip and the second driving chip, the first driving chip is respectively connected with the first single-pole single-throw relay and the second single-pole single-throw relay, and the second driving chip is respectively connected with the first single-pole double-throw relay and the second single-pole double-throw relay.
Preferably, the tester further comprises a clock circuit, an alarm circuit and a storage circuit which are respectively connected with the microcontroller.
As a preferred scheme, the test system further comprises a background control module, and the microcontroller is connected with the background control module and performs data transmission through a wireless communication network.
Preferably, the wireless communication network is composed of a GSM communication module and a WiFi communication module.
As the preferred scheme, the tester shell adopts the explosion-proof shell, and the GSM communication antenna and the WiFi communication antenna of tester all adopt the explosion-proof antenna, and the switching power supply joint of tester, the joint that charges of power all adopt the explosion-proof joint.
As a preferred scheme, the power supply comprises a lithium battery pack, a power supply management chip and an external voltage regulating and stabilizing circuit, wherein the power supply management chip and the external voltage regulating and stabilizing circuit are respectively connected with the lithium battery pack.
The utility model has the beneficial effects that:
the method is suitable for real-time online detection and evaluation of the oil-gas pipeline insulating joint under different types and different application scenes. The potential information of pipelines on two sides of the insulating joint in the cathodic protection state and the non-cathodic protection state is monitored in real time, and the electrified potential of the pipeline under the access of the sacrificial anode is monitored in real time, so that the detection and evaluation of the running state of the insulating joint and the protection effect of a pipeline cathodic protection system can be realized, pre-alarm information is generated according to the evaluation result, the detection capability is effectively improved, and meanwhile, the burden of workers is reduced. The tester has the advantages of high detection precision, strong compatibility, capability of improving the operation reliability of the insulating joint and the cathode protection system, reducing the manual operation intensity and saving the maintenance cost, explosion-proof design and flexible installation, can meet the requirements of the operation environment along the oil-gas pipeline, and has good application value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an oil and gas pipeline insulation joint and a negative protection automatic test system according to the utility model;
FIG. 2 is a schematic structural diagram of an oil and gas pipeline insulation joint and negative protection automatic test system according to the utility model;
FIG. 3 is a flow chart of an oil and gas pipeline insulated joint and female protection automatic test system;
the numbering in the figures is respectively: 1. the tester comprises a tester 2, a first single-pole double-throw relay, 3, a first single-pole single-throw relay, 4, a protection side pipeline, 7, a first cable, 6, a protection side sacrificial anode, 5, a fourth cable, 8, an insulating joint, 9, a second single-pole double-throw relay, 10, a second single-pole single-throw relay, 11, a second cable, 12, a fifth cable, 13, a non-protection side sacrificial anode, 14, a third cable, 15, a reference electrode, 16 and a non-protection side pipeline.
Detailed Description
The following description of the embodiments of the present invention is provided by way of specific examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
Referring to fig. 1 and 2, the embodiment provides an oil and gas pipeline insulation joint and negative protection automatic test system, the test system includes a power supply, a tester 1, a relay module, a test cable, and a reference electrode 15, the power supply is connected with the tester 1;
the oil gas pipeline is divided into a protection side pipeline 4 and a non-protection side pipeline 16 through an insulation joint 8, and a cathode protection system is connected with the protection side pipeline 4;
the relay module comprises a protective side relay module and a non-protective side relay module;
the test cable comprises a first cable 7, a second cable 11, a third cable 14, a fourth cable 5 and a fifth cable 12;
the first cable 7 and the second cable 11 are respectively connected with the protection side pipeline 4 and the non-protection side pipeline 16, the fourth cable 5 and the fifth cable 12 are respectively connected with the protection side sacrificial anode 6 and the non-protection side sacrificial anode 13, the tester 1 is connected with the reference electrode 15 through the third cable 14, the tester 1 is connected with the first cable 7 and the fourth cable 5 through the protection side relay module, and the tester 1 is connected with the second cable 11 and the fifth cable 12 through the non-protection side relay module.
In this embodiment, the tester 1 can realize the detection and evaluation of the operation state of the insulating joint 6 and the protection effect of the cathodic protection system of the pipeline by monitoring the potential information of the pipelines on both sides of the insulating joint 8 in the cathodic protection state and the non-cathodic protection state in real time.
Specifically, the method comprises the following steps:
the protection side relay module comprises a first single-pole double-throw relay 2 and a first single-pole single-throw relay 3, a first cable 7 and a fourth cable 5 are connected through the first single-pole single-throw relay 3, and the tester 1 is connected with the first cable 7 and the fourth cable 5 through the first single-pole double-throw relay 2.
The non-protection side relay module comprises a second single-pole double-throw relay 9 and a second single-pole single-throw relay 10, a second cable 11 and a fifth cable 12 are connected through the second single-pole single-throw relay 10, and the tester 1 is connected with the second cable 11 and the fifth cable 12 through the second single-pole double-throw relay 9.
When the first single-pole single-throw relay 3 is closed and communicated with the first cable 7 and the fourth cable 5, the second single-pole single-throw relay 10 is closed and communicated with the second cable 11 and the fifth cable 12, the system can realize the detection of the electrified potential of the pipeline under the access of the sacrificial anode regardless of the states of the first single-pole double-throw relay 2 and the second single-pole double-throw relay 9.
When the first single-pole single-throw relay 3 and the second single-pole single-throw relay 10 are disconnected, the first single-pole double-throw relay 2 is controlled to be communicated with the first cable 7, and the second single-pole double-throw relay 9 is controlled to be communicated with the second cable 11, so that open-circuit potentials of the protection side pipeline 4 and the non-protection side pipeline 16 can be detected. The open-circuit potential of the protective side sacrificial anode 6 and the non-protective side sacrificial anode 13 can be detected by controlling the first single-pole double-throw relay 2 to be communicated with the fourth cable 5 and the second single-pole double-throw relay 9 to be communicated with the fifth cable 12.
The tester 1 comprises a microcontroller and an AD conversion module which are connected, the AD conversion module is respectively connected with a protective side relay module and a non-protective side relay module, and the AD conversion module is connected with a reference electrode 15 through a third cable 14.
The AD conversion module transmits the detected voltage signal to the microcontroller, and the microcontroller analyzes the operation states of the insulation joint 6 and the cathode protection system according to the voltage signal.
The judgment logic specifically comprises: the performance of the insulating joint 8 is judged by comparing the potential relationship between the protective side pipeline 4 and the non-protective side pipeline 16 under the cathodic protection; when the pipelines at the two sides have potential difference and the potential of the pipeline 16 at the non-protection side does not fluctuate along with the fluctuation of the potential of the pipeline 4 at the protection side, the performance state of the insulating joint 8 is good; when the potential difference exists on the two sides of the pipeline and the potential of the pipeline 16 on the non-protection side fluctuates with the potential of the pipeline 4 on the protection side, the state of the insulating joint 8 is suspected and further detected; when the protective side pipeline 4 and the non-protective side pipeline 16 basically have no potential difference and the potential fluctuation is basically consistent, the fault of the insulating joint 8 is serious and further detection is needed; when the pipe-to-pipe ground potential of the protection side pipeline 4 is in a range of-0.85V to-1.2V, the protection effect of the cathode protection system is good. And the sacrificial anode is connected to a lower pipeline electrifying potential, a protective side sacrificial anode 6 and a non-protective side sacrificial anode 13 open-circuit potential, and the sacrificial anode and the protective side sacrificial anode are used for analyzing the operation state of the cathode protection system.
The relay module further comprises a first driving chip and a second driving chip, the microcontroller is connected with the first driving chip and the second driving chip respectively, the first driving chip is connected with the first single-pole single-throw relay 3 and the second single-pole single-throw relay 10 respectively, and the second driving chip is connected with the first single-pole double-throw relay 2 and the second single-pole double-throw relay 9 respectively.
The tester also comprises a clock circuit, an alarm circuit and a storage circuit which are respectively connected with the microcontroller.
Wherein, the clock circuit is used for providing a precise clock signal for controlling the microcontroller, namely the microcontroller generates precise clock timing by relying on the clock signal to enable the microcontroller to generate any set periodic high-low level signal, and further control the driving chip to output corresponding high-low levels so as to control the state switching of the relay and further realize the measurement of different time periods,
the first driving chip is used for controlling the first single-pole single-throw relay 3 and the second single-pole single-throw relay 10, and the second driving chip is used for controlling the first single-pole double-throw relay 2 and the second single-pole double-throw relay 9.
The concrete expression is as follows: when the first driving chip is in low level output, the first single-pole single-throw relay 3 and the second single-pole single-throw relay 10 are in a closed state, and at the moment, the detection of the electrified potential of the pipeline under the condition that the sacrificial anode is connected can be realized
When the output of the first driving chip is high level, the first single-pole single-throw relay 3 and the second single-pole single-throw relay 10 are in a disconnected state, and if the output of the second driving chip is high level, the first single-pole double-throw relay 2 is communicated with the fourth cable 5, and the second single-pole double-throw relay 9 is communicated with the fifth cable 12, so that the open-circuit potential of the protective side sacrificial anode 6 and the non-protective side sacrificial anode 13 is detected respectively; if the second driving chip outputs low level, the first single-pole double-throw relay 2 is communicated with the first cable 7, the second single-pole double-throw relay 9 is communicated with the second cable 11, and open-circuit potentials of the protection side pipeline 4 and the non-protection side pipeline 16 are detected respectively.
Alarm circuit for carry out corresponding warning according to microcontroller's analysis result, alarm circuit passes through bee calling organ and pilot lamp and shows that insulating joint 8, cathodic protection system running state, and accessible red, yellow, blue three-colour LED pilot lamp and bee calling organ, red pilot lamp represents insulating joint 8 running state in the three-colour LED pilot lamp, and yellow pilot lamp is used for expressing 1 running state of tester, and blue lamp expresses the cathodic protection effect, and the lamp is bright the state unusual, the lamp goes out the state unusual. The buzzer adopts a passive buzzer, and the severity of the fault is represented by different tones.
And the storage circuit is used for backing up the data detected by the tester 1 in real time through the TF card.
The testing system also comprises a background control module, and the microcontroller is connected with the background control module and is used for data transmission through a wireless communication network.
The background control module consists of a remote control terminal and a handheld terminal and is in data transmission with the tester 1 through a wireless communication network;
the remote control terminal adopts a B/S framework, and the operating states of the insulating joint 8 and the cathode protection system can be controlled by logging in through a browser by personnel; the handheld terminal comprises an LCD display screen and an operation control button, and can be used for detecting and controlling the operation conditions of the insulating joint 8 and the cathode protection system.
The wireless communication network is composed of a GSM communication module and a WiFi communication module and is communicated with the background by adopting an MQTT protocol.
The GSM communication module adopts a full-network LTE module with low power consumption, and data transmission can be realized by inserting any SIM card of an operator.
The WiFi communication module adopts an embedded low-power-consumption WiFi module, and can automatically detect and connect with a WiFi network in an operating environment; GSM communication module and wiFi communication module can not use simultaneously, preferentially use the wiFi module when the wiFi network is available, automatic switch to GSM communication network when the wiFi network can't use, and communication module all strengthens communication intensity through external antenna.
The power supply comprises a lithium battery pack, a power supply management chip and an external voltage regulating and stabilizing circuit, wherein the power supply management chip and the external voltage regulating and stabilizing circuit are respectively connected with the lithium battery pack;
the power management chip is used for monitoring the electric quantity of the lithium battery pack;
and the external voltage regulating and stabilizing circuit is used for regulating the output voltage of the lithium battery pack.
The lithium battery pack adopts a 24V rated output battery pack formed by connecting 10 rechargeable 18650 lithium batteries in series and in parallel.
The power management chip adopts an LTC4055 power management chip, the running state of the battery pack is monitored through the LTC4055 power management chip, the lithium battery pack is prevented from being charged and discharged excessively, and the residual electric quantity of the battery pack is calculated; the voltage output of different grades such as 3.3V, 5V, +/-12V and the like is realized through an external voltage regulating and stabilizing circuit.
The reference electrode 15 is a long-acting CuSO4 reference electrode, is buried underground and is connected to the AD conversion module through a third cable 14.
The test cable adopts 2 insulated cables with the cross-sectional area larger than 2.5mm according to the national standard requirements.
The AD conversion module uses an LTC2440 type external 24-bit ADC, 2.5V accurate voltage is used as a reference potential, and the voltage resolution is up to 0.01 mu A.
The microcontroller is an embedded microcontroller, adopts an STM32L1 type controller with high performance, low power consumption and low cost, and supports the functions of high and low level output, data processing, logic judgment, serial communication, SPI communication and the like.
In order to increase the safety of the device, the shell of the tester 1 adopts an explosion-proof shell; the GSM communication antenna and the WiFi communication antenna of the tester 1 both adopt explosion-proof antennas and are fixed outside the explosion-proof box through threads; the switch power supply joint of the tester 1 and the charging joint of the power supply are all explosion-proof joints. The whole meets the requirement of Exde IICT4 Gb explosion-proof protection, and the protection grade is not less than IP 65. In order to be convenient to use, the screw holes and the handles are reserved outside the explosion-proof box, so that the explosion-proof box is convenient to carry and fix, and can be installed outdoors for a long time or temporarily operated.
Referring to fig. 3, when the test system is used for online detection and evaluation, the specific steps are as follows:
firstly, installing equipment, starting a tester 1 and confirming the state of a cathode protection system;
the second step is that: acquiring the pipe-to-ground potentials at two sides of the insulating joint 8 in real time, adjusting the output state of a cathode protection system in the acquisition process, judging the performance of the insulating joint 8 and the cathode protection effect of the pipeline according to the pipe-to-ground potential relationship, and generating pre-alarm and alarm information;
the third step: the collected data and pre-alarm information are uploaded to a background or handheld terminal, control instructions from the background and the handheld terminal are received, and meanwhile an alarm circuit displays the running states of the insulating joint 8, the tester 1 and the yin protection system in real time;
the fourth step: the background carries out comprehensive analysis, chart drawing and information storage on the acquired data, evaluates the running states of the insulating joint 8 and the cathode protection system and provides maintenance and overhaul suggestions.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention by those skilled in the art should fall within the protection scope of the present invention without departing from the design spirit of the present invention.
Claims (10)
1. An oil gas pipeline insulation joint and negative protection automatic test system is characterized in that the test system comprises a power supply, a tester, a relay module, a test cable and a reference electrode, wherein the power supply is connected with the tester;
the oil gas pipeline is divided into a protection side pipeline and a non-protection side pipeline through an insulation joint, and the cathodic protection system is connected with the protection side pipeline;
the relay module comprises a protective side relay module and a non-protective side relay module;
the test cable comprises a first cable, a second cable, a third cable, a fourth cable and a fifth cable;
the first cable and the second cable are respectively connected with a protection side pipeline and a non-protection side pipeline, the fourth cable and the fifth cable are respectively connected with a protection side sacrificial anode and a non-protection side sacrificial anode, the tester is connected with the reference electrode through the third cable, the tester is connected with the first cable and the fourth cable through the protection side relay module, and the tester is connected with the second cable and the fifth cable through the non-protection side relay module.
2. The automatic testing system for the oil and gas pipeline insulating joint and the negative protection as claimed in claim 1, wherein the protection side relay module comprises a first single-pole double-throw relay and a first single-pole single-throw relay, the first cable and a fourth cable are connected through the first single-pole single-throw relay, and the tester is connected with the first cable and the fourth cable through the first single-pole double-throw relay.
3. The automatic testing system for the oil and gas pipeline insulating joint and the negative protection as claimed in claim 2, wherein the non-protection side relay module comprises a second single-pole double-throw relay and a second single-pole single-throw relay, the second cable and a fifth cable are connected through the second single-pole single-throw relay, and the tester is connected with the second cable and the fifth cable through the second single-pole double-throw relay.
4. The automatic testing system for the oil and gas pipeline insulating joint and the negative protection as claimed in claim 3, wherein the tester comprises a microcontroller and an AD conversion module which are connected, the AD conversion module is respectively connected with the protective side relay module and the non-protective side relay module, and the AD conversion module is connected with the reference electrode through a third cable.
5. The automatic testing system for the oil-gas pipeline insulating joint and the negative protection as claimed in claim 4, wherein the relay module further comprises a first driving chip and a second driving chip, the microcontroller is respectively connected with the first driving chip and the second driving chip, the first driving chip is respectively connected with the first single-pole single-throw relay and the second single-pole single-throw relay, and the second driving chip is respectively connected with the first single-pole double-throw relay and the second single-pole double-throw relay.
6. The automatic testing system for the oil and gas pipeline insulating joint and the negative protection as claimed in claim 5, wherein the tester further comprises a clock circuit, an alarm circuit and a storage circuit which are respectively connected with the microcontroller.
7. The automatic testing system for the oil and gas pipeline insulating joint and the yin bao is characterized in that the testing system further comprises a background control module, and the microcontroller is connected with the background control module and is used for data transmission through a wireless communication network.
8. The automatic testing system for the oil and gas pipeline insulating joint and the female joint protector as claimed in claim 7, wherein the wireless communication network is composed of a GSM communication module and a WiFi communication module.
9. The automatic testing system for the oil and gas pipeline insulating joint and the negative protection as claimed in claim 8, wherein the tester housing is an explosion-proof housing, the GSM communication antenna and the WiFi communication antenna of the tester are explosion-proof antennas, and the switching power supply connector of the tester and the charging connector of the power supply are explosion-proof connectors.
10. The automatic testing system for the oil and gas pipeline insulation joint and the negative protection as claimed in claim 1, wherein the power supply comprises a lithium battery pack, a power management chip and an external voltage regulating and stabilizing circuit, and the power management chip and the external voltage regulating and stabilizing circuit are respectively connected with the lithium battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122424240.2U CN216107222U (en) | 2021-10-09 | 2021-10-09 | Oil gas pipeline insulation joint and yin bao automatic testing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122424240.2U CN216107222U (en) | 2021-10-09 | 2021-10-09 | Oil gas pipeline insulation joint and yin bao automatic testing system |
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| CN216107222U true CN216107222U (en) | 2022-03-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866543A (en) * | 2021-09-29 | 2021-12-31 | 北京安科腐蚀技术有限公司 | Real-time monitoring, detecting and evaluating method and device for insulating device |
| CN115233227A (en) * | 2022-07-29 | 2022-10-25 | 成都开美利科技有限公司 | Multi-parameter remote monitoring system for insulated joints of pipelines |
| CN115627479A (en) * | 2022-10-29 | 2023-01-20 | 西南石油大学 | Multifunctional intelligent pipeline cathode protection system and method |
-
2021
- 2021-10-09 CN CN202122424240.2U patent/CN216107222U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866543A (en) * | 2021-09-29 | 2021-12-31 | 北京安科腐蚀技术有限公司 | Real-time monitoring, detecting and evaluating method and device for insulating device |
| CN115233227A (en) * | 2022-07-29 | 2022-10-25 | 成都开美利科技有限公司 | Multi-parameter remote monitoring system for insulated joints of pipelines |
| CN115627479A (en) * | 2022-10-29 | 2023-01-20 | 西南石油大学 | Multifunctional intelligent pipeline cathode protection system and method |
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Effective date of registration: 20231113 Address after: No. 1751 Binsheng Road, Binjiang District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Zhejiang Provincial Natural Gas Development Co.,Ltd. Address before: Zheneng second building, 1751 Binsheng Road, Binjiang District, Hangzhou City, Zhejiang Province 310052 Patentee before: ZHEJIANG ZHENENG NATURAL GAS OPERATION CO.,LTD. |