Intelligent explosion-proof box for offshore platform

Abstract

The utility model discloses an intelligent explosion-proof box for an offshore platform. The intelligent explosion-proof box comprises an explosion-proof box main body, a sound-light alarm system arranged at the top of the explosion-proof box main body, a data acquisition module, a data calculation module and a temperature control module arranged in the explosion-proof box main body, a cooling mechanism arranged on the side wall of the explosion-proof box main body, and an introduction device arranged at the bottom of the explosion-proof box main body. The device is reasonable in structure and excellent in performance, can meet the requirements of equipment operation in a complex environment, and is particularly suitable for high-humidity, high-salt-mist and strong-wind conditions; the temperature in the explosion-proof box can be regulated and controlled, so that dangers are avoided; sensor data can be comprehensively analyzed, maintenance personnel can be controlled in time, and it is avoided that the explosion-proof box is eroded in the marine environment, and the sealing performance of the explosion-proof box is affected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to offshore platform explosion -proof equipment field, concretely relates to an intelligent explosion -proof box for offshore platform. BACKGROUND

[0002] The environment of offshore platform has the characteristics such as high humidity, high salt fog, strong wind and severe temperature change, and is easy to cause metal corrosion and other damages to equipment. Due to the corrosion of explosion -proof box, the structural integrity of explosion -proof box can be weakened, which can lead to the reduction of explosion -proof performance and safety accidents. In order to ensure the safe operation of electrical equipment of offshore platform, the explosion -proof box must have good corrosion resistance and sealing performance, and effectively prevent the invasion of water vapor, dust and the like, and avoid the failure caused by overheating in the operation of equipment, so as to ensure good explosion -proof performance. In the operating environment of offshore platform, the explosion -proof box is usually sealed, and the internal environmental parameters are difficult to explore. The equipment in the explosion -proof box can cause danger due to high temperature or affect safety due to condensation caused by low temperature. At the same time, the outside of the explosion -proof box often faces the erosion of high corrosive sea wind and humid climate. These factors can cause the corrosion of explosion -proof box and affect its sealing performance. Once the sealing performance of explosion -proof box is damaged, the corrosive substances such as water vapor and salt outside can penetrate into the box body, thereby increasing the risk of electric spark of electrical equipment, and seriously affecting the explosion -proof function of explosion -proof box and threatening the overall safety of platform. In addition, due to the inconvenience of maintenance of offshore platform, it is also necessary to integrate monitoring and early warning functions, and the traditional monitoring often uses limited transmission, which has the disadvantages of high hardware failure caused by wire arrangement, signal quality affected by wire quality and high cost. CONTENT OF THE UTILITY MODEL

[0003] The utility model is proposed to solve the problems in the prior art, and aims to provide an intelligent explosion -proof box for offshore platform.

[0004] The utility model is implemented by the following technical scheme:

[0005] An intelligent explosion -proof box for offshore platform, comprising an explosion -proof box body, an audible -visual alarm system is arranged on the top of the explosion -proof box body, a data acquisition module, a data calculation module and a heater are arranged in the explosion -proof box body, a cooling mechanism is arranged on the side wall of the explosion -proof box body, and an introduction device is arranged at the bottom of the explosion -proof box body;The data acquisition module is electrically connected with the data calculation module;The data calculation module is electrically connected with the audible -visual alarm system;The heater is electrically connected with the data calculation module.

[0006] In the above technical scheme, the explosion -proof box body is a hollow square structure, which comprises a box body and a box cover which can be detachably connected;The box body and the box cover are fixedly connected by bolts, and a high-tear-resistant silica gel plate is arranged between the box body and the box cover.

[0007] In the above technical solution, the material of the explosion-proof box body is 316 stainless steel, and a corrosion-resistant and weather-resistant coating is arranged on the surface of the explosion-proof box body.

[0008] In the above technical solution, the output end of the relay of the sound-light alarm system and the data calculation module, the control input end of the relay of the data calculation module and the GPIO pin of the micro control unit of the data calculation module are connected.

[0009] In the above technical solution, the data acquisition module includes temperature sensor, humidity sensor, light sensor and pressure sensor, and the temperature sensor, humidity sensor, light sensor and pressure sensor are fixed on the guide rail inside the explosion-proof box body.

[0010] In the above technical solution, the data calculation module includes micro control unit, modulation radio frequency integrated processor and relay; the micro control unit reads the data of temperature and humidity, light and pressure sensor through ADC interface; the modulation radio frequency integrated processor communicates with the GPIO pin of the micro control unit through SPI interface.

[0011] In the above technical solution, the control pin of the heater is connected with the GPIO pin of the micro control unit of the data calculation module.

[0012] In the above technical solution, the cooling mechanism includes heat exchange box and heat exchanger, the heat exchange box is welded and fixed with the side wall of the explosion-proof box body, and heat-conducting silica gel sheet is arranged between the heat exchange box and the side wall of the explosion-proof box body; the heat exchanger is communicated with the circulating pump arranged in the bottom box through pipeline.

[0013] In the above technical solution, the heat exchange box is filled with insulating oil.

[0014] In the above technical solution, the heat exchanger is composed of a plurality of tube bundles and end covers, part of the tube bundles are arranged in the heat exchange box; the circulating pump inlet is communicated with the heat exchanger outlet through pipeline, and the circulating pump outlet is communicated with the heat exchanger inlet through pipeline; the bottom box is arranged at the bottom of the heat exchanger and is fixed with the side wall of the explosion-proof box body.

[0015] The beneficial effects of the present application are as follows:

[0016] The utility model provides a kind of for offshore platform and the intelligent explosion -proof box under harsh environment, improve in material, heat dissipation, corrosion resistance, sealing and environmental monitoring etc., structure is reasonable, excellent performance, can satisfy the demand of equipment operation under complex environment, especially applicable to high humidity, high salt fog and strong wind condition.The utility model explosion -proof box can be collected to the data in offshore platform explosion -proof box, wireless transmission and judgment, regulate the temperature in explosion -proof box, avoid dangerous occurrence;Sensor data are comprehensively analyzed, timely govern maintenance personnel, avoid explosion -proof box in marine environment, erosion occurs, to affect the sealing of explosion -proof box. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the front view of the utility model after removing box cover;

[0018] Fig. 2 It is the right view of the utility model;

[0019] Fig. 3 It is the structure schematic view of box cover in the utility model.

[0020] Among them:

[0021] 1, box body;2, box cover;3, audible and visual alarm system;4, data acquisition module;5, data calculation module;6, heater;7, cooling mechanism;8, introduction device;71, heat exchange box;72, heat exchanger;73, pipeline;74, bottom box.

[0022] For ordinary skilled person in the art, other related drawings can be obtained according to the above drawing without paying creative labor. DETAILED DESCRIPTION

[0023] In order to make the personnel in the technical field better understand the technical scheme of the utility model, the technical scheme of the utility model is further explained by specific implementation mode in conjunction with the drawing of specification.

[0024] As Figs. 1-3 Indicated, a kind of for offshore platform intelligent explosion -proof box, including explosion -proof box main part, explosion -proof box main part top audible and visual alarm system 3 is arranged, explosion -proof box main part inside data acquisition module 4, data calculation module 5 and heater 6 are arranged, explosion -proof box main part side wall cooling mechanism 7 is arranged, explosion -proof box main part bottom introduction device 8 is arranged;

[0025] The data acquisition module 4 is electrically connected with data calculation module 5;

[0026] The data calculation module 5 is electrically connected with audible and visual alarm system 3;

[0027] The heater 6 is electrically connected with data calculation module 5.

[0028] The explosion-proof box body is a hollow square structure, which comprises a box body 1 and a box cover 2 connected detachably; the box body 1 and the box cover 2 are fixedly connected by bolts, and a high-tear-resistant silica gel plate is arranged between the box body 1 and the box cover 2, and after the box cover 2 is tightly covered, a plug gauge is used to check the explosion-proof gap, and the maximum gap is less than 0.1 mm, so as to resist the invasion of water vapor in a complex environment.

[0029] The material of the explosion-proof box body is 316 stainless steel, and the surface of the explosion-proof box body is sprayed with a corrosion-resistant and weather-resistant coating, which is used to improve the corrosion resistance of the explosion-proof box in a complex environment on a sea platform; the explosion-proof box body is used to resist corrosion and ensure sealing.

[0030] The box cover 2 is uniformly distributed with a plurality of bolt holes around.

[0031] The sound and light alarm system 3 is used to receive the alarm signal sent by the data calculation module 5, and sound and light alarms are sent to prompt the maintenance personnel that the intelligent explosion-proof box has an abnormal condition; the sound and light alarm system 3 is a conventional commercially available product, and the model is CMC-600-SG;

[0032] The sound and light alarm system 3 is connected with the output end of the relay of the data calculation module 5, the control input end of the relay of the data calculation module 5 is connected with the GPIO pin GPIO_PIN_1 of the micro control unit of the data calculation module 5, and the output signal of the data calculation module 5 is received; when the GPIO outputs a high level, the relay of the data calculation module 5 is closed, and the sound and light alarm system 3 is started.

[0033] The data acquisition module 4 comprises a temperature sensor, a humidity sensor, a light sensor and a pressure sensor, the temperature sensor, the humidity sensor, the light sensor and the pressure sensor are fixed on the guide rail inside the explosion-proof box body, and are used to comprehensively monitor the safety condition inside the explosion-proof box and collect the temperature, humidity, light and pressure data in the intelligent explosion-proof box; each sensor of the data acquisition module 4 is an analog type; each sensor of the data acquisition module 4 is connected with the ADC interface of the micro control unit of the data calculation module 5;

[0034] The data calculation module 5 comprises a micro control unit, a modulation radio frequency integrated processor and a relay;

[0035] The micro control unit reads the data of the temperature and humidity sensor, the light sensor and the pressure sensor through the ADC interface, and calculates and analyzes the sensor data;

[0036] The model of the micro control unit is STM32;

[0037] The modulation radio frequency integrated processor communicates with the micro control unit through the SPI interface, a modulation processing module in the modulation radio frequency integrated processor is used for processing the signal processed by the micro control unit into a LoRa wireless signal, a radio frequency processing module is used for receiving and sending the LoRa wireless signal, and the LoRa wireless signal is transmitted in real time to the historical database and the monitoring central station through the wireless communication module; the model of the modulation radio frequency integrated processor is SX1276.

[0038] The micro control unit and the modulation radio frequency integrated processor realize communication and control through the SPI interface and the GPIO pin;

[0039] The data calculation module 5 is used for calculating and analyzing the sensor data collected by the data acquisition module 4, when the data is normal, a data is wirelessly sent to the historical database every half an hour for recording, when the data is abnormal, a signal is immediately sent to the sound and light alarm module 3, and the abnormal data is wirelessly transmitted to the historical database;

[0040] The heater 6 receives the instruction sent by the data calculation module 5, and increases the temperature in the explosion-proof box, so that the remaining components in the explosion-proof box can be provided with uniform internal temperature when the ambient temperature decreases, the formation of condensation is prevented, and the loss caused by corrosion is avoided;

[0041] The model of the heater 6 is HG140; the GPIO of the micro control unit of the data calculation module 5 is connected to the control pin of the heater, and the STM32 outputs high / low level to start or stop the heater, at this time, the heating function of the heater can be controlled according to the temperature setting value in the box and the instruction of the STM32.

[0042] The GPIO pin of the micro control unit of the data calculation module 5 is connected to the control input end of the relay module, and the normally open contact NO of the relay is connected in series in the power supply loop of the circulating pump, when the micro control unit of the data calculation module 5 outputs high level, the relay is closed, and the circulating pump starts; when the micro control unit outputs low level, the relay is disconnected, and the circulating pump stops;

[0043] The cooling mechanism 7 includes a heat exchange box 71 and a heat exchanger 72, the heat exchange box 71 is welded and fixed with the side wall of the explosion-proof box body, and heat-conducting silica gel sheets are arranged between the heat exchange box 71 and the side wall of the explosion-proof box body; the heat exchanger 72 is communicated with the circulating pump arranged in the bottom box 74 through the pipeline 73;

[0044] The heat exchange box 71 is filled with insulating oil;

[0045] The heat exchanger 72 is composed of a plurality of pipe bundles and end covers, and part of the pipe bundles are arranged in the heat exchange box 71; in this embodiment, the heat exchanger 72 is provided with 50 pipe bundles, of which 10 pipe bundles are arranged in the heat exchange box 71 and closely contact the heat-conducting silica gel sheets of the heat exchange box.

[0046] The circulating pump inlet is communicated with the outlet of the heat exchanger 72 through a pipeline, and the circulating pump outlet is communicated with the inlet of the heat exchanger 72 through a pipeline;

[0047] The bottom box 74 is arranged at the bottom of the heat exchanger 72 and is made of a steel plate and is fixed to the side wall of the explosion-proof box body.

[0048] The cooling mechanism 7 is used for reducing the temperature rise when the temperature in the explosion-proof box is too high due to long sunshine time on the offshore platform, improving the reliability of the components in the explosion-proof box, and prolonging the service life of the equipment.

[0049] The heat generated by the equipment in the explosion-proof box body is transferred to the circulating liquid through heat exchange. After the liquid circulates in the pipeline and takes away the heat, it is released to the outside and dissipated to the outside environment through the heat exchanger.

[0050] The heat generated by the equipment in the explosion-proof box body is transferred to the heat exchanger through the wall of the explosion-proof box. The heat exchanger and the side wall of the explosion-proof box body are provided with a heat-conducting silica gel sheet, which acts as a heat transfer medium and efficiently transfers heat from the explosion-proof box to the insulating oil filled in the heat exchanger. Further, the heat is transferred to the 10 tube bundles arranged in the heat exchanger, which are in contact with the insulating oil and further improve the heat transfer efficiency by closely contacting the heat-conducting silica gel sheet. In the heat exchanger 72, the circulating liquid filled in the tube bundle receives heat from the insulating oil, and the circulating pump delivers the heated liquid to other parts of the heat exchanger 72 through a pipeline, which is in direct contact with the external environment or through a cooling device such as a fan to dissipate heat to the air. The circulating liquid such as ethylene glycol water solution or a low-boiling-point cooling liquid with high latent heat of evaporation can absorb a large amount of heat;

[0051] In order to accelerate the heat dissipation on the heat pipes and the heat dissipation fins, an explosion-proof fan can be provided to achieve better heat dissipation effect.

[0052] The introduction device 9 is used for introducing various lines into the explosion-proof box and is designed as an integral part of the explosion-proof box. The introduction device 9 is a class I equipment introduction device that meets the requirements of GB / T 3836.2 and mainly includes a sealing ring, a device body, a compression element, etc.

[0053] The utility model discloses an intelligent explosion -proof box improves the durability and safety of equipment through the reasonable design heat dissipation system, and its excellent sealing performance, water vapor invasion design and environmental monitoring function can ensure the stable operation of equipment under the complex environment of offshore platform, through the installation of temperature and humidity, illumination and pressure sensor and wireless transmission equipment, realize the wireless monitoring and early warning of the environment parameter in explosion -proof box, and the microcontrol unit carries out early warning through judgment, carries out the temperature increase or cooling in explosion -proof box, prevents the condensation of too low temperature and also prevents the accident of too high temperature, the utility model discloses can according to the environment of being in, can manually set the alarm threshold value, the utility model discloses novel design, convenient to use does not need wiring connection, solved the wiring cost of most sensor existing stage, the wiring difficulty of offshore platform is big, the problem of big line electric energy loss, and wireless data transmission makes terminal node movable, and the expansibility is good, the utility model discloses possess audible -visual alarm module, can react to the alarm signal that data calculation module calculates sends, and push alarm information to operation, maintenance monitoring personnel, remind to check processing, finally realize to do real -time monitoring, real -time early warning, thereby improve the reliability of equipment, reduce the accident occurrence.

[0054] In the description of the utility model, it is to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second", and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0055] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0056] The applicant declares that the above description is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and it should be understood by those skilled in the art that any changes or replacements within the technical scope disclosed by the present application can be easily thought out by any person skilled in the art, and all of them fall within the protection scope and disclosure scope of the present application.

Claims

1. An intelligent explosion-proof box for offshore platforms, characterized in that: The application relates to an explosion-proof box, which comprises an explosion-proof box body, an audible and visual alarm system (3) arranged at the top of the explosion-proof box body, a data acquisition module (4), a data calculation module (5) and a heater (6) arranged in the explosion-proof box body, a cooling mechanism (7) arranged on the side wall of the explosion-proof box body and an introduction device (8) arranged at the bottom of the explosion-proof box body; the data acquisition module (4) is electrically connected with the data calculation module (5); the data calculation module (5) is electrically connected with the audible and visual alarm system (3); and the heater (6) is electrically connected with the data calculation module (5).

2. The intelligent explosion-proof box for offshore platforms according to claim 1, characterized in that: The explosion-proof box body is a hollow square structure, which comprises a box body (1) and a box cover (2) which are detachably connected; the box body (1) and the box cover (2) are fixedly connected through bolts, and a high-tear-resistance silica gel plate is arranged between the box body (1) and the box cover (2).

3. The intelligent explosion-proof box for offshore platforms according to claim 1, characterized in that: The material of the explosion-proof box body is 316 stainless steel, and a corrosion-resistant weather-resistant coating is arranged on the surface of the explosion-proof box body.

4. The intelligent explosion-proof box for offshore platforms according to claim 1, characterized in that: The audible and visual alarm system (3) is connected with the output end of the relay of the data calculation module (5), the control input end of the relay of the data calculation module (5) is connected with the GPIO pin of the micro control unit of the data calculation module (5).

5. The intelligent explosion-proof box for offshore platforms according to claim 1, characterized in that: The data acquisition module (4) comprises a temperature sensor, a humidity sensor, an illumination sensor and a pressure sensor, and the temperature sensor, the humidity sensor, the illumination sensor and the pressure sensor are fixed on a guide rail in the explosion-proof box body.

6. The intelligent explosion-proof box for offshore platforms according to claim 1, characterized in that: The data calculation module (5) comprises a micro control unit, a modulated radio frequency integrated processor and a relay; the micro control unit reads the data of the temperature sensor, the humidity sensor, the illumination sensor and the pressure sensor through an ADC interface; and the modulated radio frequency integrated processor communicates with the GPIO pin of the micro control unit through an SPI interface.

7. The intelligent explosion-proof box for offshore platforms according to claim 1, characterized in that: The control pin of the heater (6) is connected with the GPIO pin of the micro control unit of the data calculation module (5).

8. The intelligent explosion-proof box for offshore platforms according to claim 1, characterized in that: The cooling mechanism (7) comprises a heat exchange box (71) and a heat exchanger (72), the heat exchange box (71) is fixedly welded with the side wall of the explosion-proof box body, and a heat-conducting silica gel sheet is arranged between the heat exchange box (71) and the side wall of the explosion-proof box body; the heat exchanger (72) is communicated with a circulating pump arranged in a bottom box (74) through pipelines (73).

9. The intelligent explosion-proof box for offshore platforms according to claim 8, characterized in that: The heat exchange box (71) is filled with insulating oil.

10. The intelligent explosion-proof box for offshore platforms according to claim 8, characterized in that: The heat exchanger (72) is composed of a plurality of tube bundles and end covers, and part of the tube bundles are arranged in the heat exchange box (71); the inlet of the circulating pump is communicated with the outlet of the heat exchanger (72) through a pipeline, and the outlet of the circulating pump is communicated with the inlet of the heat exchanger (72) through a pipeline; and the bottom box (74) is arranged at the bottom of the heat exchanger (72) and is fixed with the side wall of the explosion-proof box body.

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