A natural gas leak alarm device for new energy vehicles

Abstract

The utility model discloses a natural gas leakage alarm device for new energy vehicles. The utility model relates to the technical field of natural gas leakage alarm. The natural gas leakage alarm device for new energy vehicles first fixes the alarm device at the natural gas inlet of the automobile engine by bolts, and uses anti-skid pads to increase the friction between the mounting plate and the automobile equipment. At the same time, a rubber ring is arranged at a bolt connection hole so that the anti-skid groove surface of the rubber ring fits tightly with the bolt, thereby increasing the gripping force on the bolt, preventing the bolt from loosening in a long-term vibration environment, and is beneficial to improving the stability of the alarm device installation structure. When the automobile is in use, the combustible gas sensor is isolated from the vibrating working environment by the shock-absorbing pad. The shock-absorbing pad is made of nitrile rubber with large damping, which is convenient for drastically consuming the vibration capacity, reducing the influence of vibration on the working performance of the combustible gas sensor, and is beneficial to extending the service life of the alarm device.

Description

Technical Field

[0001] The utility model relates to the technical field of natural gas leakage alarm, in particular to a natural gas leakage alarm device for new energy vehicles. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional automotive fuels as their power source and integrate advanced technologies in vehicle power control and drive to form vehicles with new technologies, new structures, and advanced technical principles. Natural gas vehicles are a category of new energy vehicles. In order to ensure the safety of natural gas vehicles, a natural gas leak alarm device is usually installed for new energy vehicles.

[0003] For example, announcement number CN209168371U, this application discloses a gas leakage alarm, including a shell and a gas sensor arranged in the shell, the surface of the gas sensor is covered with a waterproof breathable membrane, and the shell is provided with a through hole for gas to enter. The utility model also discloses a new energy vehicle, which uses natural gas as fuel, and the above-mentioned gas leakage alarm is installed at the natural gas inlet of the engine. The gas leakage alarm of the utility model is used for gas leakage detection, especially combustible gas leakage. By covering the surface of the sensor with a waterproof breathable membrane, on the one hand, it does not affect the entry of combustible gas, and realizes normal detection; at the same time, it can also play a waterproof role.

[0004] Existing natural gas leak alarm devices for new energy vehicles are usually installed at the natural gas inlet of the engine. The vibration intensity of the working environment is relatively high. After long-term use, the installation structure may become loose. At the same time, long-term strong vibration force will have a certain impact on the working performance of the sensor, thereby reducing the service life of the alarm equipment. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a natural gas leakage alarm device for new energy vehicles to solve the problem raised in the above background technology that the existing natural gas leakage alarm device for new energy vehicles is usually installed at the natural gas inlet of the engine, the vibration intensity of the working environment is relatively large, and the installation structure may become loose after long-term use. At the same time, long-term strong vibration force will have a certain impact on the working performance of the sensor, thereby reducing the service life of the alarm device.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a natural gas leak alarm device for new energy vehicles, including a mounting plate, a connecting hole 1 is provided on the mounting plate, a non-slip pad is fixedly installed on the lower end of the mounting plate, a snap-in groove is provided on the upper end of the mounting plate at the side of the connecting hole 1, a rubber ring is fixedly installed on the inner side of the snap-in groove, a protective shell is fixedly installed on the upper end of the mounting plate, a shock-absorbing pad is fixedly installed on the upper end of the mounting plate located inside the protective shell, a spherical cavity is provided inside the shock-absorbing pad, a mounting seat is fixedly installed on the upper end of the shock-absorbing pad, a combustible gas sensor is fixedly installed on the left end of the inner side of the mounting seat, a communication alarm module is fixedly installed on the right end of the inner side of the mounting seat, and the upper ends of the combustible gas sensor and the communication alarm module are snap-connected with a limited position pad.

[0007] Preferably, the rubber ring is provided with anti-skid grooves, and the anti-skid grooves are distributed in a ring array.

[0008] Preferably, a second connection hole is provided on the anti-slip pad, and the first connection hole is connected to the second connection hole.

[0009] Preferably, the anti-slip pad is made of polyurethane, and the shock-absorbing pad is made of nitrile rubber.

[0010] Preferably, the spherical cavities are evenly distributed, and pores are formed on the spherical cavities.

[0011] Preferably, ventilation slots are provided on the protective shell, and the ventilation slots are evenly distributed.

[0012] Preferably, the cross-section of the limiting pad is designed as an L-shaped structure, the limiting pad is made of nitrile rubber, and the limiting pad is fixedly connected to the protective shell.

[0013] Beneficial Effects

[0014] The utility model provides a natural gas leak alarm device for new energy vehicles. Compared with the prior art, it has the following beneficial effects:

[0015] 1. The natural gas leakage alarm device for new energy vehicles first fixes the alarm device to the natural gas inlet of the automobile engine by bolts, uses anti-skid pads to increase the friction between the mounting plate and the automobile equipment, and at the same time, a rubber ring is arranged at a bolt connection hole so that the anti-skid groove surface of the rubber ring fits tightly with the bolt, thereby increasing the grip on the bolt and preventing the bolt from loosening in a long-term vibration environment, which is beneficial to improving the stability of the alarm device installation structure.

[0016] 2. The natural gas leak alarm device for new energy vehicles, when the vehicle is in use, isolates the combustible gas sensor from the vibrating working environment through the shock-absorbing pad. The shock-absorbing pad is made of nitrile rubber with large damping, which is convenient for drastically consuming the vibration capacity and reducing the impact of vibration on the working performance of the combustible gas sensor, which is beneficial to prolonging the service life of the alarm device. At the same time, the combustible gas sensor and the communication alarm module are clamped together with the limit pad, and the limit pad is made of the same nitrile rubber material. The combustible gas sensor and the communication alarm module are limited and fixed while reducing vibration conduction, which is beneficial to improve the stability of the internal components of the alarm device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the engagement groove structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the shock-absorbing pad of the utility model.

[0021] In the figure: 1. Mounting plate; 2. Connection hole 1; 3. Anti-skid pad; 4. Engagement groove; 5. Rubber ring; 6. Protective shell; 7. Shock-absorbing pad; 8. Spherical cavity; 9. Mounting seat; 10. Combustible gas sensor; 11. Communication alarm module; 12. Limit pad; 13. Anti-skid groove; 14. Connection hole 2; 15. Air hole; 16. Ventilation groove. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4The utility model provides a technical solution: a natural gas leakage alarm device for new energy vehicles, comprising a mounting plate 1, a connecting hole 2 is provided on the mounting plate 1, an anti-skid pad 3 is fixedly installed on the lower end of the mounting plate 1, a clamping groove 4 is provided on the upper end of the mounting plate 1 at the side of the connecting hole 2, a rubber ring 5 is fixedly installed on the inner side of the clamping groove 4, an anti-skid groove 13 is provided on the rubber ring 5, the anti-skid groove 13 is distributed in a ring array, a connecting hole 2 14 is provided on the anti-skid pad 3, the connecting hole 2 and the connecting hole 2 14 are connected to each other, firstly, the alarm device is fixed to the natural gas inlet of the automobile engine by bolts, the anti-skid pad 3 is used to increase the friction between the mounting plate 1 and the automobile equipment, and at the same time, a rubber ring 5 is provided at the bolt connecting hole 2, so that the anti-skid groove 13 surface of the rubber ring 5 is closely fitted with the bolt, thereby increasing the gripping force on the bolt, preventing the bolt from loosening in a long-term vibration environment, and helping to improve the stability of the alarm device installation structure;

[0024] A protective shell 6 is fixedly installed on the upper end of the mounting plate 1. A shock-absorbing pad 7 is fixedly installed inside the protective shell 6 on the upper end of the mounting plate 1. A spherical cavity 8 is provided inside the shock-absorbing pad 7. A mounting seat 9 is fixedly installed on the upper end of the shock-absorbing pad 7. A combustible gas sensor 10 is fixedly installed on the left end of the inner side of the mounting seat 9. A communication alarm module 11 is fixedly installed on the right end of the inner side of the mounting seat 9. The anti-slip pad 3 is made of polyurethane, and the shock-absorbing pad 7 is made of nitrile rubber. The spherical cavities 8 are evenly distributed. Air holes 15 are provided on the spherical cavity 8. When the car is in use, the combustible gas sensor 10 is isolated from the vibrating working environment by the shock-absorbing pad 7. The shock-absorbing pad 7 is made of nitrile rubber, which has a large damping, so as to greatly consume the vibration capacity and reduce the influence of vibration on the working performance of the combustible gas sensor 10, which is conducive to extending the service life of the alarm device.

[0025] The upper ends of the combustible gas sensor 10 and the communication alarm module 11 are snap-fitted with a limit pad 12, and the protective shell 6 is provided with ventilation slots 16, which are evenly distributed. The cross-section of the limit pad 12 is an L-shaped structure design, and the limit pad 12 is made of nitrile rubber. The limit pad 12 is fixedly connected to the protective shell 6, and the combustible gas sensor 10 and the communication alarm module 11 are snap-fitted with the limit pad 12, and the limit pad 12 is made of the same nitrile rubber material. The combustible gas sensor 10 and the communication alarm module 11 are limited and fixed while reducing vibration conduction, which is beneficial to improving the stability of the internal components of the alarm device.

[0026] During operation, the alarm device is first fixed to the natural gas inlet of the automobile engine by bolts, and the anti-skid pad 3 is used to increase the friction between the mounting plate 1 and the automobile equipment. At the same time, a rubber ring 5 is arranged at the bolt connection hole 2, so that the anti-skid groove 13 of the rubber ring 5 is tightly fitted with the bolt, thereby increasing the grip on the bolt and preventing the bolt from loosening in a long-term vibration environment. When the automobile is in use, the combustible gas sensor 10 is isolated from the vibrating working environment by the shock-absorbing pad 7. The shock-absorbing pad 7 is made of nitrile rubber with large damping, which is convenient for drastically consuming the vibration capacity and reducing the influence of vibration on the working performance of the combustible gas sensor 10. At the same time, the combustible gas sensor 10 and the communication alarm module 11 are engaged with the limit pad 12, and the limit pad 12 is made of the same nitrile rubber material, so that the combustible gas sensor 10 and the communication alarm module 11 are limited and fixed while reducing vibration conduction.

[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A natural gas leak alarm device for a new energy vehicle, comprising a mounting plate (1), characterized in that: The mounting plate (1) is provided with a connection hole (2), a non-slip pad (3) is fixedly mounted on the lower end of the mounting plate (1), a snap-fit ​​groove (4) is provided on the upper end of the mounting plate (1) at the side of the connection hole (2), a rubber ring (5) is fixedly mounted on the inner side of the snap-fit ​​groove (4), a protective shell (6) is fixedly mounted on the upper end of the mounting plate (1), a shock-absorbing pad (7) is fixedly mounted on the upper end of the mounting plate (1) inside the protective shell (6), a spherical cavity (8) is provided inside the shock-absorbing pad (7), a mounting seat (9) is fixedly mounted on the upper end of the shock-absorbing pad (7), a combustible gas sensor (10) is fixedly mounted on the left end of the inner side of the mounting seat (9), a communication alarm module (11) is fixedly mounted on the right end of the inner side of the mounting seat (9), and the upper ends of the combustible gas sensor (10) and the communication alarm module (11) are snap-fitted and connected with a limiting pad (12).

2. A natural gas leak alarm device for new energy vehicles according to claim 1, characterized in that: The rubber ring (5) is provided with anti-skid grooves (13), and the anti-skid grooves (13) are distributed in a ring array.

3. A natural gas leak alarm device for new energy vehicles according to claim 1, characterized in that: The anti-slip pad (3) is provided with a second connection hole (14), and the first connection hole (2) and the second connection hole (14) are connected to each other.

4. A natural gas leak alarm device for new energy vehicles according to claim 3, characterized in that: The anti-slip pad (3) is made of polyurethane, and the shock-absorbing pad (7) is made of nitrile rubber.

5. A natural gas leak alarm device for new energy vehicles according to claim 1, characterized in that: The spherical cavities (8) are evenly distributed, and air holes (15) are provided on the spherical cavities (8).

6. A natural gas leak alarm device for new energy vehicles according to claim 1, characterized in that: The protective shell (6) is provided with ventilation slots (16), and the ventilation slots (16) are evenly distributed.

7. A natural gas leak alarm device for new energy vehicles according to claim 6, characterized in that: The cross section of the limiting pad (12) is designed in an L-shaped structure. The limiting pad (12) is made of nitrile rubber. The limiting pad (12) is fixedly connected to the protective shell (6).

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