Liquefied natural gas (LNG) closed detection device

Abstract

The utility model discloses an LNG natural gas airtight detection device, which comprises a main frame, transmission devices, natural gas sensors and an electrical box, the inner side of the main frame is fixedly provided with two groups of transmission devices, the bottom ends of the transmission devices are fixedly connected with detection columns, the detection columns are uniformly embedded with a plurality of natural gas sensors, and the natural gas sensors are fixedly connected with the electrical box. An electrical box is fixedly installed on the outer side of the main frame, a motor and an alarm are installed in the electrical box, the motor is fixed to the bottom of the electrical box, the output end of the motor penetrates through the outer wall of the electrical box to be connected with the transmission device and drive the transmission device to operate, and the alarm penetrates through the electrical box to be fixed to the top end of the electrical box. The natural gas storage tank is comprehensively detected through the transmission device, manual detection is not needed, the detection efficiency is high, safety is good, and manual labor is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of natural gas detection, in particular to an LNG natural gas airtight detection device. Background Art

[0002] LNG natural gas is a flammable substance with certain risks. It is usually stored in storage tanks. After the natural gas is filled and placed in the tank, the storage tank needs to be tested for airtightness to determine whether the natural gas is leaking to avoid accidents. The usual detection is to manually check the entire tank one by one with a handheld detector, which is not only inefficient but also increases the workload of employees. Utility Model Content

[0003] The purpose of the utility model is to provide an LNG natural gas tightness detection device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an LNG natural gas closed detection device, comprising a main frame, a transmission device, a natural gas sensor and an electrical box, two sets of transmission devices are fixedly installed on the inner side of the main frame, a set of detection columns are fixedly connected to the bottom end of the transmission device, and a number of natural gas sensors are evenly embedded on the detection columns, an electrical box is fixedly installed on the outer side of the main frame, a motor and an alarm are installed inside the electrical box, the motor is fixed to the bottom of the electrical box, and its output end passes through the outer wall of the electrical box to be connected to the transmission device, and the alarm passes through the electrical box and is fixed to the top of the electrical box.

[0005] The transmission device includes a driving wheel, a passive wheel, and a conveyor belt. The driving wheel and the passive wheel are connected to the bottom of the main frame through a conveyor belt transmission. The driving wheel is connected to the passive wheel of the opposite side transmission device through a transmission rod transmission, driving another set of transmission devices to operate. The other side of the driving wheel is rotationally connected to the output end of the motor, and the entire transmission device is driven to operate through the rotation of the motor.

[0006] Preferably, the main frame is an integrated anti-corrosion metal.

[0007] Preferably, the detection columns are divided into three groups, and the three groups are interconnected into one body.

[0008] Preferably, the natural gas sensors are evenly embedded in three groups of detection columns, with three in each group.

[0009] Preferably, the door of the electrical box is provided with a handle, and the door is mounted on the electrical box by means of hinges.

[0010] Preferably, the electrical box, box door, handles and hinges are all made of rust-resistant metal.

[0011] Preferably, a battery is provided inside the electrical box, and a processor is installed on top of the battery.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the detection column on the transmission device can perform all-round detection of the LNG natural gas storage tank through the back-and-forth horizontal movement of the conveyor belt, and the natural gas sensor embedded thereon can sense the leaked natural gas. Once the natural gas sensor senses the leak, it will send a danger signal to the processor of the motor box, and then the processor will trigger the alarm to quickly notify the relevant personnel to handle the leak. This replaces manual detection, is safer, more reliable, more efficient, and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the transmission structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the internal structure of the electrical box of the utility model.

[0016] In the figure: 1. main frame; 2. transmission device; 3. natural gas sensor; 4. electrical box; 5. motor; 6. battery; 7. processor; 8. alarm; 21. driving wheel; 22. passive wheel; 23. conveyor belt; 24. transmission rod; 25. detection column; 41. box door; 42. handle; 43. hinge. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1The utility model provides a technical solution: an LNG natural gas sealing detection device, comprising a main frame 1, a transmission device 2, a natural gas sensor 3 and an electrical box 4, two sets of transmission devices 2 are fixedly installed on the inner side of the main frame 1, the transmission device 2 is responsible for driving the natural gas sensor 3 to detect, a set of detection columns 25 are fixedly connected to the bottom end of the transmission device 2, the detection columns 25 cooperate with the transmission device 2 to detect the natural gas storage tank back and forth, and a number of natural gas sensors 3 are evenly embedded on the detection columns 25, and the natural gas sensor 2 is used to sense the leakage of natural gas and transmit leakage information; an electrical box 4 is fixedly installed on the outer side of the main frame 1 for storing electrical equipment, a motor 5 and an alarm 8 are installed inside the electrical box 4, the motor 5 is fixed to the bottom of the electrical box 4, and its output end passes through the outer wall of the electrical box 4 and is rotatably connected to the driving wheel 21 on the transmission device 2, driving the transmission device 2 to work, and the alarm 8 passes through the electrical box 4 and is fixed to the top of the electrical box 4. When a leak occurs, the alarm 8 sounds an alarm to remind the staff of the leak.

[0019] The transmission device 2 includes a driving wheel 21, a passive wheel 22, and a conveyor belt 23. The driving wheel 21 and the passive wheel 22 are connected to the bottom of the main frame 1 through the conveyor belt 23. The driving wheel 21 is used to drive the entire transmission device 2 to operate. The conveyor belt is used to connect the driving wheel and the passive wheel to drive the detection column to detect the natural gas storage tank. The driving wheel 21 is connected to the passive wheel 22 of the opposite transmission device 2 through a transmission rod 24 to drive another group of transmission devices 2 to operate. The detection column 25 runs horizontally back and forth with the conveyor belt 23, driving the natural gas sensor 3 to detect leakage problems back and forth. The other side of the driving wheel 21 is rotationally connected to the output end of the motor 5, and the entire transmission device 2 is driven to operate through the rotation of the motor 5.

[0020] See also Figure 1 The main frame 1 is an integrated anti-corrosion metal, which is easy to produce and process and prolongs the service life.

[0021] See also Figure 2 The detection columns 25 are divided into three groups, which are interconnected into one body to perform all-round detection on the natural gas storage tank.

[0022] See also Figure 2 The natural gas sensors 3 are evenly embedded on the detection column 25, three in each group, a total of three, to detect the leaked gas more carefully.

[0023] See also Figure 1 The door 41 of the electrical box 4 is provided with a handle 42, and the door 41 is mounted on the electrical box 4 through a hinge 43, so as to facilitate the opening and closing of the electrical box 4.

[0024] See also Figure 1The electrical box 4, the box door 41, the handle 42, and the hinge 43 are all made of anti-corrosion metal, which prolongs the service life of the electrical box.

[0025] See also Figure 3 A battery 6 is provided inside the electrical box 4, and a processor 7 is installed on the top of the battery 6 to ensure the normal operation of the transmission device.

[0026] Working principle:

[0027] First, the natural gas sealing detection device is set up on the natural gas storage tank, and the battery 6 installed in the electrical box 4 is started. All machines are powered on and run. The motor 5 in the electrical box 4 is powered on to drive the two sets of transmission devices 2 on the main frame 1 to work and run. The output end of the motor 5 is connected to the driving wheel 21 to rotate the driving wheel 21. The driving wheel 21 drives the passive wheel 22 to rotate through the conveyor belt 23. The driving wheel 21 is connected to the passive wheel 22 of the other set of transmission devices 2 on the opposite side through the transmission rod 24, driving the other set of transmission devices 2 to run; due to the forward and reverse rotation of the motor 5, the conveyor belt 23 on the transmission device 2 moves back and forth horizontally. The detection column 25 fixed on the conveyor belt 23 moves back and forth accordingly, and the natural gas sensor 3 embedded in the detection column 25 detects the entire natural gas storage tank back and forth. When a natural gas leak is detected, the natural gas sensor 3 will respond quickly and send a leakage signal to the processor 7 in the electrical box 4. The processor 7 then stimulates the alarm 8 set in the electrical box 4, and then the alarm 8 transmits the leakage alarm to the outside, reminding irrelevant personnel to evacuate quickly, and reminding relevant staff to quickly deal with the danger. This process does not require manual labor, saves a lot of labor, is safer and more efficient, and has strong practicality.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An LNG natural gas tightness detection device, comprising a main frame (1), a transmission device (2), a natural gas sensor (3) and an electrical box (4), characterized in that: Two sets of transmission devices (2) are fixedly installed on the inner side of the main frame (1), a set of detection columns (25) are fixedly connected to the bottom end of the transmission device (2), and a plurality of natural gas sensors (3) are evenly embedded on the detection columns (25); an electrical box (4) is fixedly installed on the outer side of the main frame (1), and a motor (5) and an alarm (8) are installed inside the electrical box (4); the motor (5) is fixed to the bottom of the electrical box (4), and its output end passes through the outer wall of the electrical box (4) to be connected to the transmission device (2); the alarm (8) passes through the electrical box (4) and is fixed to the top of the electrical box (4); The transmission device (2) comprises a driving wheel (21), a driven wheel (22), and a conveyor belt (23); the driving wheel (21) and the driven wheel (22) are connected to the bottom of the main frame (1) via the conveyor belt (23); the driving wheel (21) and the driven wheel (22) of the opposite transmission device (2) are connected via a transmission rod (24) to drive the other transmission device (2) to operate; the other side of the driving wheel (21) is connected to the output end of the motor (5) for rotation, and the entire transmission device (2) is driven to operate through the rotation of the motor (5).

2. The LNG natural gas tightness detection device according to claim 1, characterized in that: The main frame (1) is made of an integrated anti-corrosion metal.

3. The LNG natural gas tightness detection device according to claim 1, characterized in that: The detection columns (25) are divided into three groups, and the three groups are interconnected into one body.

4. The LNG natural gas tightness detection device according to claim 2, characterized in that: The natural gas sensors (3) are evenly embedded in three groups of detection columns (25), with three in each group.

5. The LNG natural gas tightness detection device according to claim 1, characterized in that: The box door (41) of the electrical box (4) is provided with a handle (42), and the box door is mounted on the electrical box (4) via a hinge (43).

6. The LNG natural gas tightness detection device according to claim 2, characterized in that: The electrical box (4), box door (41), handle (42) and hinge (43) are all made of anti-corrosion metal.

7. The LNG natural gas tightness detection device according to claim 3 is characterized in that: A battery (6) is arranged inside the electrical box (4), and a processor (7) is installed on the top of the battery (6).

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