LNG fuel safety device

Abstract

The utility model discloses an LNG (Liquefied Natural Gas) fuel safety device, which relates to the technical field of fuel safety, and comprises a safety box body, gas leakage detection equipment, LNG host gas supply control equipment, LNG storage tank filling control equipment and a power supply module, a box door is hinged to the right side of the front surface of the safety box body, a mounting assembly is arranged in the safety box body, and the box door is hinged to the right side of the front surface of the safety box body. And heat dissipation mechanisms are arranged on the left side and the right side of the top of the safety box body correspondingly, air outlets are formed in the left end and the right end of the outer wall of the safety box body correspondingly, and a plurality of baffles are fixedly connected to the inner walls of the two air outlets in an equidistant array mode. According to the utility model, the data lines on the gas leakage detection equipment, the LNG host gas supply control equipment and the LNG storage tank filling control equipment are respectively inserted out through the wiring port I and the wiring port II in the mounting assembly, and the data lines are conveniently connected with the wiring end of the power supply module by opening the pull plate at the back of the safety box body; and the winding phenomenon is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel safety, in particular to an LNG fuel safety device. Background Art

[0002] Liquefied natural gas, referred to as LNG, is mainly composed of methane and is recognized as the cleanest fossil energy on earth. It is colorless, odorless, non-toxic and non-corrosive. Its volume is about 1 / 625 of the volume of the same amount of gaseous natural gas, and the mass of liquefied natural gas is only about 45% of the same volume of water. The control strategy of the entire fuel supply system is based on the combustible gas detection system, ventilation detection system, fire detection system and other monitoring systems. Based on this, different safety control strategies are established according to different situations. The following problems exist in the existing technology:

[0003] Existing safety devices usually adopt an integrated structure, and the internal space is crisscrossed with intricate data cables, causing inconvenience to staff when performing maintenance and upgrades. Secondly, each device in the safety device generates heat while working, and the heat dissipation performance is low, which can easily cause the equipment to overheat and be damaged. Utility Model Content

[0004] The utility model provides an LNG fuel safety device to solve the problems existing in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] An LNG fuel safety device comprises a safety box, a gas leak detection device, an LNG main engine gas supply control device, an LNG tank filling control device and a power module, wherein a box door is hinged on the right side of the front of the safety box, an installation component is arranged inside the safety box, heat dissipation mechanisms are respectively arranged on the left and right sides of the top of the safety box, and the bottom of the heat dissipation mechanism passes through the interior of the safety box, a control panel is arranged on the bottom of the front of the safety box, a visual window is arranged on the middle side of the front of the safety box, a plurality of indicator lights are arranged in an equidistant array on the top of the front of the safety box, air outlets are respectively arranged on the left and right ends of the outer wall of the safety box, and a plurality of baffles are fixedly connected to the inner walls of the two air outlets in an equidistant array.

[0007] A further improvement of the technical solution of the utility model is that the gas leak detection equipment, LNG main engine gas supply control equipment and LNG tank filling control equipment are respectively arranged inside the installation assembly, and the upper and lower sides of the inner wall of the safety box near the air outlet are fixedly connected with slide rails.

[0008] A further improvement of the technical solution of the utility model lies in that: the mounting assembly includes a connecting plate, the upper and lower ends of the front side of the connecting plate are fixedly connected with positioning plates respectively, the side of the connecting plate close to the upper and lower positioning plates is fixedly connected with mounting plate one and mounting plate two, the bottom middle side of the mounting plate two is fixedly connected with a partition plate, the bottom of the partition plate is fixedly connected to the top of the lower positioning plate, the upper side of the connecting plate close to mounting plate one and mounting plate two is respectively provided with a front-to-back through wiring port one, a plurality of limit plates are fixedly connected with the internal equidistant array of the two wiring ports one, the left and right sides of the connecting plate close to the partition are respectively provided with a front-to-back through wiring port two, and the left and right ends of the outer walls of the upper and lower positioning plates are respectively fixedly connected with sliders.

[0009] A further improvement of the technical solution of the utility model is that the outer wall of the sliding block is slidably connected to the inner wall of the sliding rail.

[0010] A further improvement of the technical solution of the utility model is that a plurality of vertically penetrating communication openings are formed in an equidistant array on the top of the upper positioning plate, and guide plates are fixedly connected to the left and right sides of the bottom of the plurality of communication openings.

[0011] A further improvement of the technical solution of the utility model lies in that: the power module is fixedly connected between the two wiring ports and the back, a connecting groove that runs through inside and outside is opened on the back of the safety box, hinges are fixedly connected to the left and right sides of the back of the safety box near the upper side of the connecting groove respectively, a pull plate is hinged at one end of the two hinges, a handle is fixedly connected to the back of the pull plate, an iron sheet is fixedly connected to the front bottom of the pull plate, a fixing groove is opened on the lower side of the back of the safety box near the connecting groove, a magnetic block is fixedly connected to the inner wall of the fixing groove, and the outer wall of the iron sheet is magnetically connected to the outer wall of the magnetic block.

[0012] A further improvement of the technical solution of the utility model lies in that: the heat dissipation mechanism includes a fixed cylinder, a filter screen is arranged on the top of the inner wall of the fixed cylinder, a fixed ring is arranged on the middle side of the inner wall of the fixed cylinder, a plurality of fixed rods are fixedly connected to the outer wall of the fixed ring in a circular array, one end of the plurality of fixed rods away from the fixed ring is fixedly connected to the inner wall of the fixed cylinder, a drive motor is fixedly connected to the interior of the fixed ring, and a fan is fixedly connected to the output end of the drive motor.

[0013] A further improvement of the technical solution of the utility model is that the outer wall of the fixing cylinder is fixedly connected to the top of the safety box, and the fan is arranged above the upper positioning plate.

[0014] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0015] 1. The utility model provides an LNG fuel safety device, which adopts the cooperation between the mounting assembly and the slide rail, and respectively mounts the gas leak detection equipment, the LNG main engine gas supply control equipment, the LNG storage tank filling control equipment and the power module on the mounting assembly, and respectively inserts the data lines on the gas leak detection equipment, the LNG main engine gas supply control equipment and the LNG storage tank filling control equipment through the wiring port 1 and the wiring port 2 in the mounting assembly, and the data line is conveniently connected to the wiring terminal of the power module by opening the pull plate at the back of the safety box to prevent entanglement. At the same time, when the equipment is inspected and maintained, the equipment is conveniently moved out of the safety box by the cooperation of the slide rail and the slider in the mounting assembly, so as to facilitate the inspection and maintenance, which solves the problem that the existing safety device usually adopts an integrated structure, and the space inside is entangled by the intricate data lines, which causes inconvenience to the staff when carrying out inspection and upgrading, and achieves the beneficial effect of avoiding the entanglement of the data lines and facilitating the inspection and maintenance of the equipment.

[0016] 2. The utility model provides an LNG fuel safety device, which adopts the cooperation between the heat dissipation mechanism and the installation component, and drives the fan to rotate through the driving motor. The rotation of the fan draws in the outside air through the filter, and then discharges the heat in the device through the air outlet along the connecting port, thereby solving the problem that various devices in the safety device generate heat at the same time when working, and the heat dissipation performance is low, which easily causes the equipment to be overheated and damaged. The beneficial effect of improving the heat dissipation efficiency of the device and preventing the equipment from being overheated and damaged is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the LNG fuel safety device of the utility model;

[0018] Figure 2 This is a schematic diagram of the interior of the three-dimensional structure of the safety box of the utility model;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the installation component of the utility model;

[0020] Figure 4 This is a schematic diagram of the back of the three-dimensional structure of the safety box of the utility model

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the heat dissipation mechanism of the utility model.

[0022] In the figure: 1. Safety box; 101. Connection slot; 102. Fixing slot; 2. Gas leak detection equipment; 3. LNG main engine gas supply control equipment; 4. LNG storage tank filling control equipment; 5. Power module; 6. Box door; 7. Installation assembly; 71. Connection plate; 710. Wiring port 1; 711. Wiring port 2; 72. Positioning plate; 720. Connecting port; 721. Guide plate; 73. Mounting plate 1; 74. Mounting plate 2; 75. Partition plate; 76. Limiting plate; 77. Slider; 8. Heat dissipation mechanism; 81. Fixing cylinder; 82. Filter; 83. Fixing ring; 84. Fixing rod; 85. Drive motor; 86. Fan; 9. Control panel; 10. Visual window; 11. Indicator light; 12. Air outlet; 13. Baffle; 14. Slide rail; 15. Hinge; 16. Pull plate; 17. Handle; 18. Iron sheet; 19. Magnetic block. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods:

[0024] like Figure 1 As shown, the utility model provides an LNG fuel safety device, including a safety box 1, a gas leak detection device 2, an LNG main engine gas supply control device 3, an LNG tank filling control device 4 and a power module 5. A box door 6 is hinged on the right side of the front of the safety box 1, and a mounting assembly 7 is arranged inside the safety box 1. Heat dissipation mechanisms 8 are respectively arranged on the left and right sides of the top of the safety box 1, and the bottom of the heat dissipation mechanism 8 penetrates into the interior of the safety box 1. A control panel 9 is arranged at the bottom of the front of the safety box 1, and a visual window 10 is arranged on the middle side of the front of the safety box 1. A plurality of indicator lights 11 are arranged in an equidistant array on the top of the front of the safety box 1, and air outlets 12 are respectively opened at the left and right ends of the outer wall of the safety box 1, and a plurality of baffles 13 are fixedly connected to the inner walls of the two air outlets 12 in an equidistant array.

[0025] A safety box 1, an installation component 7, a heat dissipation mechanism 8, an air outlet 12 and a baffle 13 are provided. The gas leak detection device 2, the LNG main engine gas supply control device 3, the LNG storage tank filling control device 4 and the power module 5 are respectively installed on the installation component 7, and the data lines on the gas leak detection device 2, the LNG main engine gas supply control device 3 and the LNG storage tank filling control device 4 are conveniently limited and inserted through the installation component 7 and connected to the wiring terminals of the power module 5. When the heat generated by the gas leak detection device 2, the LNG main engine gas supply control device 3, the LNG storage tank filling control device 4 and the power module 5 during operation causes the equipment to become hot, the heat dissipation mechanism 8 is controlled to discharge the heat in the safety box 1 outward through the air outlet 12, so as to improve the heat dissipation efficiency of the device and prevent the equipment from being damaged due to overheating.

[0026] like Figure 2 As shown, the utility model provides a technical solution for an LNG fuel safety device: a gas leak detection device 2, an LNG main engine gas supply control device 3 and an LNG storage tank filling control device 4 are respectively arranged inside a mounting assembly 7, and slide rails 14 are fixedly connected to the upper and lower sides of the inner wall of the safety box 1 near the air outlet 12, respectively, and the gas leak detection device 2, the LNG main engine gas supply control device 3, and the LNG storage tank filling control device 4 are installed inside the safety box 1 through the mounting assembly 7.

[0027] like Figure 3 As shown, the utility model provides a technical solution for an LNG fuel safety device: the installation component 7 includes a connecting plate 71, the upper and lower ends of the front side of the connecting plate 71 are fixedly connected with positioning plates 72 respectively, a side of the connecting plate 71 close to the upper and lower positioning plates 72 is fixedly connected with a mounting plate 1 73 and a mounting plate 2 74, a partition plate 75 is fixedly connected to the bottom middle side of the mounting plate 2 74, the bottom of the partition plate 75 is fixedly connected to the top of the lower positioning plate 72, the upper side of the connecting plate 71 close to the mounting plate 1 73 and the mounting plate 2 74 is respectively provided with a front-to-back through wiring port 1 710, the internal equidistant array of the two wiring ports 1 710 is fixedly connected with a plurality of limit plates 76, the left and right sides of the connecting plate 71 close to the partition plate 75 are respectively provided with a front-to-back through wiring port 2 711, and gas leak detection is respectively performed through the wiring port 1 710 and the wiring port 2 711. The data lines on the equipment 2, the LNG main engine gas supply control equipment 3 and the LNG storage tank filling control equipment 4 are limited and interlaced, and the limit plate 76 arranged in the wiring port 710 can prevent the data lines from being entangled. The left and right ends of the outer walls of the upper and lower positioning plates 72 are respectively fixedly connected with sliders 77, and the outer wall of the slider 77 is slidably connected to the inner wall of the slide rail 14. The slider 77 slides along the slide rail 14, so that the equipment on the installation component 7 can be driven to move out or move into the safety box 1, which is convenient for the inspection and maintenance of the equipment. A number of connecting ports 720 that pass through from top to bottom are arranged in an equidistant array on the top of the upper positioning plate 72, and guide plates 721 are respectively fixedly connected to the left and right sides of the bottom of the several connecting ports 720. By arranging guide plates 721 on both sides of the connecting ports 720, the wind blowing in can be guided, thereby improving the heat dissipation efficiency.

[0028] like Figure 4As shown, the utility model provides a technical solution for an LNG fuel safety device: a power module 5 is fixedly connected between the backs of two wiring ports 710, a connecting groove 101 that runs through inside and outside is opened on the back of the safety box 1, hinges 15 are fixedly connected to the left and right sides of the back of the safety box 1 near the upper side of the connecting groove 101, one end of the two hinges 15 is hinged with a pull plate 16, and a handle 17 is fixedly connected to the back of the pull plate 16. By arranging the connecting groove 101 and the pull plate 16 on the back of the safety box 1, it is convenient for the staff to connect the data line with the power module 5 to provide power, an iron sheet 18 is fixedly connected to the bottom of the front end of the pull plate 16, and a fixing groove 102 is opened on the lower side of the back of the safety box 1 near the connecting groove 101, and a magnetic block 19 is fixedly connected to the inner wall of the fixing groove 102. The outer wall of the iron sheet 18 is magnetically connected to the outer wall of the magnetic block 19, and the iron sheet 18 and the magnetic block 19 are magnetically attracted to each other, so that the pull plate 16 can be opened and closed.

[0029] like Figure 5 As shown, the utility model provides a technical solution for an LNG fuel safety device: the heat dissipation mechanism 8 includes a fixed cylinder 81, a filter screen 82 is arranged on the top of the inner wall of the fixed cylinder 81, a fixed collar 83 is arranged on the middle side of the inner wall of the fixed cylinder 81, a plurality of fixed rods 84 are fixedly connected to the outer wall of the fixed collar 83 in an annular array, one end of the plurality of fixed rods 84 away from the fixed collar 83 is fixedly connected to the inner wall of the fixed cylinder 81, a driving motor 85 is fixedly connected to the interior of the fixed collar 83, a fan 86 is fixedly connected to the output end of the driving motor 85, the outer wall of the fixed cylinder 81 is fixedly connected to the top of the safety box 1, the fan 86 is arranged above the upper positioning plate 72, and the fan 86 is driven to rotate by the driving motor 85, so that the outside wind is sucked into the safety box 1 and the hot air in the safety box 1 is discharged.

[0030] The following is a detailed description of the working principle of this LNG fuel safety device.

[0031] like Figure 1-5As shown, when in use, the gas leak detection device 2, the LNG host gas supply control device 3 and the LNG storage tank filling control device 4 are respectively installed on the mounting plate 1 73, the mounting plate 2 74 and the positioning plate 72 on the lower side, and then the data lines on the gas leak detection device 2 and the LNG host gas supply control device 3 are respectively inserted along the wiring port 1 710, so that the limit plate 76 separates multiple data lines to prevent entanglement, and at the same time, the data line in the LNG storage tank filling control device 4 is inserted through the wiring port 2 711, and then the pull plate 16 on the back of the safety box 1 is flipped upward by the handle 17, so that the iron sheet 18 is separated from the magnetic block 19 along the fixing groove 102, and the staff can connect the data line to the wiring terminal on the power module 5 to supply power, and then the gas leak detection device 2, the LNG host gas supply control device 3, When the LNG tank filling control device 4 and the power module 5 generate heat during operation, the drive motor 85 is started, and the output end of the drive motor 85 drives the fan 86 to rotate. The fan 86 rotates to draw in the outside air through the filter 82. The drawn wind is discharged from the heat in the safety box 1 through the air outlet 12 along the connecting port 720. At the same time, a part of the wind can be guided by the guide plates 721 on both sides so that the wind is blown evenly inside the safety box 1, thereby improving the heat dissipation efficiency inside the safety box 1 and preventing the equipment from being damaged due to overheating. When the gas leak detection device 2, the LNG main engine gas supply control device 3 and the LNG tank filling control device 4 are inspected and repaired, the slider 77 is slid outward along the inside of the slide rail 14 to move the installation component 7 out of the inside of the safety box 1, so as to facilitate the staff to inspect and repair.

[0032] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. An LNG fuel safety device, comprising a safety box (1), a gas leak detection device (2), an LNG main engine gas supply control device (3), an LNG tank filling control device (4) and a power module (5), characterized in that: A door (6) is hingedly connected to the right side of the front of the safety box (1); a mounting assembly (7) is arranged inside the safety box (1); heat dissipation mechanisms (8) are respectively arranged on the left and right sides of the top of the safety box (1), and the bottom of the heat dissipation mechanism (8) penetrates into the interior of the safety box (1); a control panel (9) is arranged at the bottom of the front of the safety box (1); a visual window (10) is arranged at the middle side of the front of the safety box (1); a plurality of indicator lights (11) are arranged in an equidistant array at the top of the front of the safety box (1); air outlets (12) are respectively opened at the left and right ends of the outer wall of the safety box (1); and a plurality of baffles (13) are fixedly connected in an equidistant array to the inner walls of the two air outlets (12).

2. An LNG fuel safety device according to claim 1, characterized in that: The gas leak detection device (2), the LNG main engine gas supply control device (3) and the LNG storage tank filling control device (4) are respectively arranged inside the mounting assembly (7), and the inner wall of the safety box (1) is fixedly connected to the upper and lower sides of the air outlet (12) respectively with slide rails (14).

3. The LNG fuel safety device according to claim 1, characterized in that: The mounting assembly (7) comprises a connecting plate (71), wherein the upper and lower ends of the front side of the connecting plate (71) are respectively fixedly connected with positioning plates (72), a side of the connecting plate (71) close to the upper and lower positioning plates (72) is fixedly connected with a mounting plate 1 (73) and a mounting plate 2 (74), a partition plate (75) is fixedly connected to the middle side of the bottom of the mounting plate 2 (74), the bottom of the partition plate (75) is fixedly connected to the top of the lower positioning plate (72), a front-to-back through-connection opening 1 (710) is respectively provided on the upper side of the connecting plate (71) close to the mounting plate 1 (73) and the mounting plate 2 (74), a plurality of limit plates (76) are fixedly connected in an equidistant array inside the two wiring openings 1 (710), a front-to-back through-connection opening 2 (711) is respectively provided on the left and right sides of the connecting plate (71) close to the partition plate (75), and sliders (77) are respectively fixedly connected to the left and right ends of the outer walls of the upper and lower positioning plates (72).

4. The LNG fuel safety device according to claim 3, characterized in that: The outer wall of the sliding block (77) is slidably connected to the inner wall of the sliding rail (14).

5. The LNG fuel safety device according to claim 3, characterized in that: A plurality of vertically penetrating communication openings (720) are provided in an equidistant array at the top of the upper positioning plate (72), and guide plates (721) are fixedly connected to the left and right sides of the bottom of the plurality of communication openings (720).

6. The LNG fuel safety device according to claim 1, characterized in that: The power module (5) is fixedly connected between the backs of the two wiring ports (710); a connecting groove (101) that runs through the inside and outside is provided on the back of the safety box (1); hinges (15) are fixedly connected to the left and right sides of the back of the safety box (1) near the upper side of the connecting groove (101); a pull plate (16) is hingedly connected at one end of the two hinges (15); a handle (17) is fixedly connected to the back of the pull plate (16); an iron sheet (18) is fixedly connected to the front bottom of the pull plate (16); a fixing groove (102) is provided on the back of the safety box (1) near the lower side of the connecting groove (101); a magnetic block (19) is fixedly connected to the inner wall of the fixing groove (102); and the outer wall of the iron sheet (18) is magnetically connected to the outer wall of the magnetic block (19).

7. The LNG fuel safety device according to claim 1, characterized in that: The heat dissipation mechanism (8) comprises a fixed cylinder (81), a filter screen (82) is arranged at the top of the inner wall of the fixed cylinder (81), a fixed collar (83) is arranged at the middle side of the inner wall of the fixed cylinder (81), a plurality of fixed rods (84) are fixedly connected in a circular array to the outer wall of the fixed collar (83), one end of the plurality of fixed rods (84) away from the fixed collar (83) is fixedly connected to the inner wall of the fixed cylinder (81), a driving motor (85) is fixedly connected inside the fixed collar (83), and a fan (86) is fixedly connected to the output end of the driving motor (85).

8. An LNG fuel safety device according to claim 7, characterized in that: The outer wall of the fixed cylinder (81) is fixedly connected to the top of the safety box (1), and the fan (86) is arranged above the upper positioning plate (72).

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