LNG (Liquefied Natural Gas) vehicle bottle with extra-large volume
By designing a large-volume LNG automotive bottle, the traditional multi-bottle LNG gas supply system has been solved, and the problems of heavy, complicated operation and safety hazards are achieved, and a lightweight, low-cost and safe LNG gas supply system has been achieved, improving the overall economic benefits.
Patent Information
- Application Number
- CN202423218197.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The traditional multi-bottle LNG gas supply system has a large amount of self-weight, large space, cumbersome operation and safety hazards, and lacks the design of large-volume vehicle-mounted LNG gas cylinders.
Designed with a large-volume LNG automotive bottle, including the gas tank body, shell, cylinder pull belt, buffer tank, top shell and detection components, the gas tank is fixed through the shell, the buffer tank is buffered by the pressure fluctuation, the top shell protects the valve, the inner shell stores LNG, the insulation layer is insulated, and the self-pressurizing body is pressurized to achieve safe fixation and efficient gas supply.
It realizes a lightweight, low-cost and safe LNG gas supply system, reducing energy consumption, reducing space occupation, and improving economic benefits.
Smart Images
Figure CN223165408U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of natural gas vehicles, in particular to a super-large volume LNG vehicle-mounted cylinder. Background Technique
[0002] At present, there are more and more vehicles fueled by LNG. Generally, multiple independent small-capacity LNG cylinders are used for the gas supply system and the vehicle configuration. At present, there is no design and manufacture of a vehicle gas supply system with large-capacity cylinders in China. However, the super-large volume vehicle-mounted LNG cylinder has advantages such as a large single volume, light weight, and simple operation. Therefore, it is an inevitable trend to use super-large volume vehicle-mounted LNG cylinders.
[0003] The traditional multi-cylinder LNG gas supply system usually has a large self-weight due to the combination of multiple gas cylinders, which increases the energy consumption of the gas. Moreover, the multi-cylinder LNG gas supply system takes up a large amount of space on the vehicle, resulting in problems such as increased costs and potential safety hazards. Content of the Utility Model
[0004] In order to make up for the above deficiencies, the utility model provides a super-large volume LNG vehicle-mounted cylinder, aiming to improve the problems of large self-weight, high cost, and cumbersome operation of the traditional multi-cylinder LNG gas supply system, which lead to potential safety hazards.
[0005] To achieve the above object, the utility model provides the following technical solutions:
[0006] The super-large volume LNG vehicle-mounted cylinder includes a gas cylinder body. An outer shell is fixedly connected to the outer wall of the gas cylinder body. A gas cylinder pulling belt is arranged on the outer wall of the gas cylinder body. A gas cylinder cushion belt is fixedly connected to the outer wall of the gas cylinder pulling belt, and the outer wall of the gas cylinder cushion belt is fixedly connected to the outer wall of the gas cylinder body. A buffer tank is fixedly connected inside the outer shell. An air outlet is fixedly connected to the upper side inside the buffer tank. A top shell is fixedly connected to the upper surface of the gas cylinder body. A cover plate is rotatably connected to the outer wall of the top shell. An air outlet pressure gauge is fixedly connected to the upper side inside the top shell. A detection component is arranged on the upper side inside the gas cylinder body, and the detection component is used to detect the pressure of the gas cylinder body.
[0007] Preferably, the detection component includes a regulating valve. The outer wall of the regulating valve is fixedly connected to the upper side inside the gas cylinder body, and a gas cylinder pressure gauge is fixedly connected to the front side inside the regulating valve.
[0008] Preferably, a liquid outlet stop valve is fixedly connected to the left side of the regulating valve, and a return air stop valve is fixedly connected to the right side inside the regulating valve.
[0009] Preferably, a gas cylinder liquid outlet pipe is fixedly connected to the right side inside the return air stop valve.
[0010] Preferably, a gas cylinder liquid filling pipe is fixedly connected to the right side inside the regulating valve.
[0011] Preferably, an inner tank is fixedly connected inside the gas cylinder body.
[0012] Preferably, a heat insulation layer is fixedly connected to the outer wall of the inner tank, and the outer wall of the heat insulation layer is fixedly connected to the inner wall of the gas cylinder body.
[0013] Preferably, a self-pressurizing body is fixedly connected inside the outer shell, and a pressure boosting cut-off valve is fixedly connected to the outer wall of the self-pressurizing body.
[0014] The utility model has the following beneficial effects:
[0015] 1. In the utility model, the gas cylinder body is placed on the vehicle through the outer shell, and the gas cylinder body is tied tightly by the gas cylinder strap and the gas cylinder cushion strap, so as to stabilize the gas cylinder body, withstand various external forces such as vibration and bump, the buffer tank can effectively buffer the pressure fluctuation, the top shell protects each valve and pipeline from being damaged, and the cover plate and the top shell can be opened and closed to expose the gas outlet pressure gauge for viewing and preventing damage, so as to meet the safety performance test requirements of the gas cylinder support, fixed frame and strap.
[0016] 2. In the utility model, the gas cylinder pressure gauge measures the outlet pressure value of the gas cylinder body, the gas cylinder liquid filling pipe fills the inside of the gas cylinder body with liquid, the inner tank is arranged inside the gas cylinder body to store LNG, the heat insulation layer reduces the heat exchange between LNG and the external environment, and the self-pressurizing body pressurizes the gas cylinder body, so as to achieve the effects of better appearance, lower self-weight and creating huge economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a three-dimensional structure schematic diagram of the extra-large volume LNG vehicle-mounted bottle proposed by the utility model;
[0018] Figure 2 is a top view structure schematic diagram of the extra-large volume LNG vehicle-mounted bottle proposed by the utility model;
[0019] Figure 3 is a partial structure schematic diagram of the gas cylinder body of the extra-large volume LNG vehicle-mounted bottle proposed by the utility model.
[0020] Legend Explanation:
[0021] 1. Gas cylinder body; 2. Outer shell; 3. Gas cylinder strap; 4. Gas cylinder cushion strap; 5. Buffer tank; 6. Gas outlet; 7. Top shell; 8. Cover plate; 9. Regulation valve; 10. Gas cylinder pressure gauge; 11. Liquid outlet cut-off valve; 12. Return gas cut-off valve; 13. Gas cylinder liquid outlet pipe; 14. Gas outlet pressure gauge; 15. Gas cylinder liquid filling pipe; 16. Inner tank; 17. Heat insulation layer; 18. Self-pressurizing body; 19. Pressure boosting cut-off valve. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0023] Referring to Figures 1 - 3 , an embodiment provided by the present utility model: a super-large volume LNG vehicle-mounted bottle, including a gas tank body 1, an outer shell 2 is fixedly connected to the outer wall of the gas tank body 1, a gas cylinder strap 3 is arranged on the outer wall of the gas tank body 1, a gas tank cushion strap 4 is fixedly connected to the outer wall of the gas cylinder strap 3, the outer wall of the gas tank cushion strap 4 is fixedly connected to the outer wall of the gas tank body 1, a buffer tank 5 is fixedly connected inside the outer shell 2, an air outlet 6 is fixedly connected to the upper side inside the buffer tank 5, a top shell 7 is fixedly connected to the upper surface of the gas tank body 1, a cover plate 8 is rotatably connected to the outer wall of the top shell 7, an air outlet pressure gauge 14 is fixedly connected to the upper side inside the top shell 7, a detection component is arranged on the upper side inside the gas tank body 1, and the detection component is used to detect the pressure of the gas tank body 1;
[0024] Specifically, the gas tank body 1 is used to fix the outer shell 2, the gas cylinder strap 3 is used to fix the gas tank body 1, the gas tank cushion strap 4 is used to fix the gas tank body 1, the outer shell 2 is used to fix the buffer tank 5, the buffer tank 5 is used to fix the air outlet 6, the air outlet 6 supplies gas to the vehicle, the gas tank body 1 is used for the top shell 7, the top shell 7 is used to fix the cover plate 8, the top shell 7 is used to fix the air outlet pressure gauge 14, the cover plate 8 is used to close the air outlet pressure gauge 14, and the air outlet pressure gauge 14 is used to measure the internal pressure value of the gas tank body 1.
[0025] Referring to Figure 2 , the detection component includes a regulating valve 9, the outer wall of the regulating valve 9 is fixedly connected to the upper side inside the gas tank body 1, a gas cylinder pressure gauge 10 is fixedly connected to the front side inside the regulating valve 9, a liquid outlet stop valve 11 is fixedly connected to the left side of the regulating valve 9, a return air stop valve 12 is fixedly connected to the right side inside the regulating valve 9, a gas tank liquid outlet pipe 13 is fixedly connected to the right side inside the return air stop valve 12, and a gas cylinder liquid filling pipe 15 is fixedly connected to the right side inside the regulating valve 9;
[0026] Specifically, the gas tank body 1 is used to fix the regulating valve 9, the regulating valve 9 is used for gas-liquid regulation, the regulating valve 9 is used to fix the liquid outlet stop valve 11, the liquid outlet stop valve 11 is used to stop the outflow of liquid, the regulating valve 9 is used to fix the return air stop valve 12, and the return air stop valve 12 is used to cut off the return of gas.
[0027] Referring to Figure 1 and Figure 3, an inner tank 16 is fixedly connected inside the gas cylinder body 1, an adiabatic layer 17 is fixedly connected to the outer wall of the inner tank 16, and the outer wall of the adiabatic layer 17 is fixedly connected to the inner wall of the gas cylinder body 1. A self-pressurizing body 18 is fixedly connected inside the outer shell 2, and a pressure boosting cut-off valve 19 is fixedly connected to the outer wall of the self-pressurizing body 18;
[0028] Specifically, the gas cylinder body 1 is used to fix the inner tank 16. The inner tank 16 is used to store cryogenic liquid LNG. The inner tank 16 is used to fix the adiabatic layer 17. The adiabatic layer 17 is used to isolate the heat exchange between LNG and the external environment. The outer shell 2 is used to fix the self-pressurizing body 18. The self-pressurizing body 18 is used to boost the pressure of the gas cylinder body 1. The pressure boosting cut-off valve 19 is used to cut off the pressure boosting of the gas cylinder body 1.
[0029] Working principle: When this extra-large volume LNG vehicle-use bottle needs to be used, first place the gas cylinder body 1 on the vehicle through the outer shell 2, and use the gas cylinder tie-down strap 3 and the gas cylinder cushion strap 4 to tie down the gas cylinder body 1 to achieve the stability of the gas cylinder body 1, withstand various external forces such as vibration and bump, the buffer tank 5 can effectively buffer the pressure fluctuation, the top shell 7 protects each valve and pipeline from being damaged, the cover plate 8 and the top shell 7 can be opened and closed, and the outlet pressure gauge 14 is used to check and prevent damage, so as to meet the safety performance test requirements of the gas cylinder support, fixed frame, and tie-down strap. When the gas cylinder body 1 needs to be modularized for the gas supply system, measure the outlet pressure of the gas cylinder body 1 through the gas cylinder pressure gauge 10, add liquid into the gas cylinder body 1 through the gas cylinder liquid filling pipe 15, set an inner tank 16 inside the gas cylinder body 1 to store LNG, the adiabatic layer 17 reduces the heat exchange between LNG and the external environment, and boost the pressure of the gas cylinder body 1 through the self-pressurizing body 18, so as to achieve the effects of having a better shape, lower self-weight, and creating huge economic benefits. Using this device can not only achieve the effect of improving the overall economic benefits, but also achieve the effect of enhancing the technical feasibility of the LNG vehicle-use bottle.
[0030] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. Super-large volume LNG vehicle-use bottle, including a gas tank body (1), characterized in that: The outer wall of the gas cylinder body (1) is fixedly connected with a housing (2). An air cylinder strap (3) is arranged on the outer wall of the gas cylinder body (1). The outer wall of the air cylinder strap (3) is fixedly connected with a gas cylinder cushion strap (4). The outer wall of the gas cylinder cushion strap (4) is fixedly connected to the outer wall of the gas cylinder body (1). A buffer tank (5) is fixedly connected inside the housing (2). An air outlet (6) is fixedly connected to the upper inner part of the buffer tank (5). A top shell (7) is fixedly connected to the upper surface of the gas cylinder body (1). A cover plate (8) is rotatably connected to the outer wall of the top shell (7). An air outlet pressure gauge (14) is fixedly connected to the upper inner part of the top shell (7). A detection assembly is arranged in the upper inner part of the gas cylinder body (1), and the detection assembly is used for detecting the pressure of the gas cylinder body (1).
2. The extra-large volume LNG vehicle bottle according to claim 1, characterized in that: The detection assembly includes a regulating valve (9). The outer wall of the regulating valve (9) is fixedly connected to the upper inner part of the gas cylinder body (1). An air cylinder pressure gauge (10) is fixedly connected to the front inner part of the regulating valve (9).
3. The extra-large volume LNG vehicle bottle according to claim 2, characterized in that: A liquid outlet stop valve (11) is fixedly connected to the left side of the regulating valve (9). A return air stop valve (12) is fixedly connected to the inner part on the right side of the regulating valve (9).
4. The extra-large volume LNG vehicle bottle according to claim 3, wherein: A gas cylinder liquid outlet pipe (13) is fixedly connected to the inner part on the right side of the return air stop valve (12).
5. The extra-large volume LNG vehicle bottle according to claim 4, wherein: A gas cylinder liquid filling pipe (15) is fixedly connected to the inner part on the right side of the regulating valve (9).
6. The extra-large volume LNG vehicle-mounted bottle according to claim 1, characterized in that: An inner tank (16) is fixedly connected inside the gas cylinder body (1).
7. The extra-large volume LNG vehicle-mounted bottle according to claim 6, wherein: An insulating layer (17) is fixedly connected to the outer wall of the inner tank (16). The outer wall of the insulating layer (17) is fixedly connected to the inner wall of the gas cylinder body (1).
8. The extra-large volume LNG vehicle-mounted bottle according to claim 1, characterized in that: A self-pressurizing body (18) is fixedly connected inside the housing (2). A pressure boosting stop valve (19) is fixedly connected to the outer wall of the self-pressurizing body (18).