Intelligent gas filling anti-liquid-theft device of LNG (Liquefied Natural Gas)

Abstract

The utility model discloses an intelligent gas-filling anti-liquid-theft device for an LNG (Liquefied Natural Gas) dispenser, and particularly relates to the technical field of LNG dispensers, the intelligent gas-filling anti-liquid-theft device comprises locking grooves formed in two sides of the LNG dispenser, and locking components are mounted in the two locking grooves; the two locking assemblies each comprise an air cylinder, the output end of each air cylinder is fixedly connected with a fixing rod, the bottom end of each fixing rod is fixedly connected with a sliding plate, and two first sliding grooves are formed in the surface of the top end of each sliding plate. Compared with the prior art, the locking assembly is arranged, a sliding plate moves to push a plurality of sliding nails to move, then a plurality of sliding rods drive two moving rods to move relatively to drive two inserting rods to be inserted into the left side and the right side of the gas filling gun, and it can be ensured that the gas filling gun cannot be removed or operated under the use condition; therefore, the manual gas stealing behavior is avoided, and the property safety of the gas station is protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to LNG gas refueling machine technical field more specifically, the utility model relates to LNG gas refueling machine intelligent gas filling theftproof liquid device. BACKGROUND

[0002] LNG gas refueling machine is used for filling liquefied natural gas to LNG vehicle storage tank special equipment. It is one of the core equipment of LNG gas station, is responsible for accurate metering and control LNG filling quantity, ensures the safety, high efficiency and environmental protection of filling process, LNG gas refueling machine intelligent gas filling theftproof liquid device is a kind of safety system specially designed for liquefied natural gas gas refueling machine, to prevent the economic loss and financial disorder caused by artificial gas theft or misoperation.

[0003] LNG gas refueling machine precooling process, LNG gas gun is connected with liquid return port, LNG gas refueling machine is equipped with gas filling button and precooling button, and gas filling button and precooling button are easily confused in use, when carrying out large cycle precooling operation, LNG gas refueling machine liquid should be returned to gas station storage tank after LNG gas gun, computer controller does not charge, but LNG liquid passes through mass flowmeter, and computer controller starts charging, causing the financial management confusion of gas station.

[0004] Through the search, the patent with the application number CN201420631977.9 discloses LNG gas refueling machine intelligent gas filling theftproof system, through the intelligent gas filling theftproof system installed between the gas refueling machine box body liquid return port and LNG gas gun, whether LNG gas gun is connected in the gas refueling machine box body liquid return port through the intelligent gas filling theftproof system detection, prevent misoperation caused by pressing wrong gas filling button and precooling button, to avoid the financial settlement confusion condition and economic loss of gas station caused by misoperation, its structure is simple, and convenient to operate.

[0005] The above-mentioned LNG gas refueling machine intelligent gas filling theftproof system is prone to human gas theft behavior in actual use, which can increase the LNG loss of gas station, and further cause financial loss, and the gas theft behavior can lead to non-standard operation of gas refueling machine, and even cause safety accidents. UTILITY MODEL CONTENTS

[0006] In order to overcome the above-mentioned defects of prior art, the utility model provides LNG gas refueling machine intelligent gas filling theftproof liquid device to solve the problems in the above background art.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] LNG gas refueling machine intelligent gas filling theftproof liquid device, including the locking slot of being set in the both sides of gas refueling machine, two locking slots are all installed with locking assembly in the inside;

[0009] The two locking assemblies each include a cylinder, the cylinder output ends are fixedly connected to a fixed rod, the bottom end of the fixed rod is fixedly connected to a sliding plate, the top surface of the sliding plate is provided with two first sliding grooves, and slide plates are installed on both sides of the sliding plate, and the top surfaces of the two slide plates are provided with two second sliding grooves, and multiple sliding rods are provided inside the second sliding grooves, and multiple sliding rods are fixedly connected to sliding nails at the bottom of one end, the top ends of the left and right sliding rods are fixedly connected to the moving rod, and one side of the two moving rods is fixedly connected to the insertion rod, and a third sliding groove is provided inside the two locking grooves, and an air filling gun is installed between the two insertion rods.

[0010] By adopting the above technical solution: the cylinder is installed at one end of the inner side of the locking groove, the fixed rod is fixedly connected to the output end of the cylinder, the bottom of the fixed rod is fixedly connected to the sliding plate, the bottom of the sliding plate is slidingly connected to the inside of the third slide groove, the two first slide grooves are both opened on the top surface of the sliding plate, the two slide groove plates are fixedly connected to the inner side of the locking groove, the top surfaces of the two slide groove plates are both opened with two second slide grooves, multiple slide rods are slidingly connected to the inside of the second slide groove, multiple sliding nails are fixedly connected to one end of the slide rod, multiple sliding nails are slidingly connected to the inside of the first slide groove, the bottoms of the two slide rods are fixedly connected to the tops of the two slide rods, and the two plug rods are fixed to the inside of one end of the moving rod.

[0011] As a further description of the above technical solution: the bottom ends of the two gas filling guns are connected to a gas filling pipe, and one end of the two gas filling pipes is connected to a connecting pipe.

[0012] By adopting the above technical solution: the top ends of the two gas filling pipes are connected to the bottom of the gas filling gun, and the bottom ends of the two gas filling pipes are connected to one side of the connecting pipe.

[0013] As a further description of the above technical solution: a motor is provided on the front side of the two connecting pipes, and a gear is installed on the output end of the two motors.

[0014] By adopting the above technical solution: the motor is installed on the front side of the connecting pipe, and the gear is installed on the output end of the motor.

[0015] As a further description of the above technical solution: one side of the two gears is meshed with a toothed disc, and a plurality of fourth sliding grooves are provided on the front side of the toothed disc.

[0016] By adopting the above technical solution: the gear is meshed and connected with the outer side of the gear disc, and the plurality of fourth sliding grooves are all opened on the front surface of the gear disc.

[0017] As a further description of the above technical solution: a plurality of the fourth sliding grooves are each provided with a fixing rod inside, and a baffle is each fixedly connected to the rear side of the plurality of the fixing rods.

[0018] By adopting the above technical solution: the multiple fixing rods are all slidably connected inside the fourth sliding groove, and the front sides of the multiple baffles are all fixedly connected to one end of the fixing rod.

[0019] As a further description of the above technical solution: a plurality of fifth sliding grooves are opened on the front side of the connecting pipe.

[0020] By adopting the above technical solution: a plurality of fifth sliding grooves are all opened on the front side of the connecting pipe, and a plurality of baffles are all slidably connected to the inside of the connecting pipe through the fifth sliding grooves.

[0021] As a further description of the above technical solution: the bottom of the sliding plate is slidably connected to the interior, and the plurality of second sliding grooves are all slidably connected to the interior of the sliding rod.

[0022] By adopting the above technical solution: the inside of the third sliding groove is slidably connected to the outside of the bottom of the sliding plate, and the multiple sliding rods are all slidably connected inside the second sliding groove.

[0023] The technical effects and advantages of this utility model are:

[0024] 1. By setting up a locking assembly, compared with the existing technology, the sliding plate is used to move multiple sliding pins to move, and then multiple sliding rods are used to drive the two moving rods to move relative to each other and drive the two insertion rods to insert into the left and right sides of the gas filling gun. This can ensure that the gas filling gun cannot be removed or operated when in use, thereby preventing human theft of gas and protecting the property safety of the gas station;

[0025] 2. By setting gears, toothed discs, fixed rods and baffles, compared with the existing technology, the toothed discs are driven to rotate by gear meshing, and then the baffles are driven to move through multiple fixed rods by the rotation of the toothed discs, so that the multiple baffles can be in a sealed state when the connecting pipe is not in use. When the gas gun is not correctly connected to the vehicle, the multiple baffles will be in a closed state to prevent LNG from flowing out of the gas dispenser, thereby avoiding the occurrence of gas theft. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0027] Figure 2 This is a schematic structural diagram of the gas filling gun of the present utility model.

[0028] Figure 3 This is a schematic diagram of the third chute structure of the present utility model.

[0029] Figure 4 This is a schematic diagram of the second chute structure of the present utility model.

[0030] Figure 5 This is a schematic diagram of the baffle structure of the present utility model.

[0031] Figure 6 This is a schematic diagram of the fourth chute structure of the present utility model.

[0032] The accompanying drawings are marked as follows: 1. Gas dispenser; 2. Locking groove; 3. Cylinder; 4. Fixed rod; 5. Sliding plate; 6. First slide groove; 7. Slide groove plate; 8. Second slide groove; 9. Sliding rod; 10. Sliding nail; 11. Moving rod; 12. Insert rod; 13. Third slide groove; 14. Gas filling gun; 15. Gas filling pipe; 16. Connecting pipe; 17. Motor; 18. Gear; 19. Sprocket; 20. Fourth slide groove; 21. Fixed rod; 22. Baffle; 23. Fifth slide groove. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] Reference Figure 1 、 Figure 2 and Figure 3 The embodiment of the present application discloses an intelligent anti-theft device for LNG filling machine, including a locking groove 2 provided on both sides of the filling machine, and a locking assembly is installed inside the two locking grooves 2;

[0035] When the vehicle is in a state of being compressed, the two locking assemblies are connected, and a third sliding groove 13 is provided inside the two locking grooves 2, and a gas filling gun 14 is installed between the two plugging rods 12. When the vehicle is in a state of being compressed, the two locking assemblies are connected, and a third sliding groove 13 is provided inside the two locking grooves 2, and a gas filling gun 14 is installed between the two plugging rods 12. When the gas filling gun 14 needs to be used to fill the vehicle with gas, the cylinder 3 drives the sliding plate 5 to slide in the third sliding groove 13 toward the side close to the cylinder 3, and the sliding nail 10 moves along the first sliding groove 6 to the side away from the fixed rod 4, thereby making the sliding connection to the first sliding groove 8 be fixed to the bottom of the two sliding rods 9. When the vehicle is in a state of emergency, the cylinder 3 drives the sliding plate 5 to slide in the third slide groove 13 away from the side of the cylinder 3, and the sliding plate 10 moves along the first slide groove 6 toward the side of the fixed rod 4, thereby making the sliding plate 10 slidably connected in the first slide groove 6 and the sliding rod 9 fixedly connected to the sliding plate 10 both move toward the side of the fixed rod 4. In this process, the sliding rod 9 drives the inserting rod 12 to be inserted into the gas gun 14 through the moving rod 11, locking the gas gun 14, and ensuring that the gas gun 14 cannot be removed or operated without authorization, thereby minimizing the possibility of human theft of gas from the inside of the gas gun 14.

[0036] Reference Figure 4 The bottom ends of the two gas filling guns 14 are connected to a gas filling pipe 15, and one end of the two gas filling pipes 15 is connected to a connecting pipe 16. The connecting pipe 16 is used to control the transportation of LNG from the inside of the gas dispenser to the inside of the gas filling pipe 15.

[0037] Reference Figure 5 and Figure 6The front side of each connecting pipe 16 is provided with a motor 17, the output end of each motor 17 is provided with a gear 18, one side of each gear 18 is engaged with a toothed disc 19, a plurality of fourth sliding grooves 20 are formed in the front side of the toothed disc 19, a plurality of fixed rods 21 are arranged in the fourth sliding grooves 20, a plurality of baffles 22 are fixedly connected to the rear side of the fixed rods 21, a plurality of fifth sliding grooves 23 are formed in the front side of the connecting pipe 16, when the gas gun 14 is not needed to be used, the gear 18 is rotated in the direction E in the drawing, the toothed disc 19 is driven to rotate, the fixed rod 21 and the baffle 22 fixedly connected to the fixed rod 21 are moved along the fourth sliding groove 20 to the side away from the inner side wall of the connecting pipe 16, until the baffles 22 abut against each other, the inside of the connecting pipe 16 is sealed, and the possibility that the gas gun 14 and the gas pipe 15 are damaged by an unauthorized person to steal gas is further avoided, when the gas gun 14 needs to be used, the gear 18 is rotated in the direction F in the drawing, the toothed disc 19 is driven to rotate, the fixed rod 21 and the baffle 22 fixedly connected to the fixed rod 21 are moved along the fourth sliding groove 20 to the side close to the connecting pipe 16, the inside of the connecting pipe 16 is not sealed, and the natural gas can be conveyed into the vehicle through the connecting pipe 16 and the gas pipe 15 and the gas gun 14 when the vehicle is filled with gas by the gas gun 14.

[0038] The utility model discloses an LNG gas dispenser intelligent gas filling theftproof liquid device, and the specific structure is as shown in the description Figure 1-6 The utility model discloses an LNG gas dispenser intelligent gas filling theftproof liquid device, and the specific structure is as shown in the description

[0039] When the gas filling is completed using the gas filling gun 14, the cylinder 3 drives the sliding plate 5 to slide in the third sliding groove 13 to the side away from the cylinder 3, and the sliding nail 10 moves along the first sliding groove 6 to the side of the fixed rod 4, thereby causing the sliding nail 10 slidably connected to the first sliding groove 6 and the sliding rod 9 fixedly connected to the sliding nail 10 to move toward the side of the fixed rod 4. During this process, the sliding rod 9 drives the insertion rod 12 to be inserted into the gas filling gun 14 through the moving rod 11, locking the gas filling gun 14, and ensuring that the gas filling gun 14 cannot be removed or operated without authorization, thereby minimizing the possibility of human theft of gas from the inside of the gas filling gun 14.

[0040] When the gas gun 14 is not needed, the gear 18 rotates in the direction E in the figure, driving the gear disc 19 to rotate, thereby causing the fixed rod 21 and the baffle 22 fixedly connected to the fixed rod 21 to move along the fourth slide groove 20 toward the side away from the inner wall of the connecting pipe 16 until the baffles 22 abut against each other, thereby sealing the inside of the connecting pipe 16, thereby further avoiding the possibility of unauthorized human damage to the gas gun 14 and the gas pipe 15 to steal gas.

[0041] The drawings of the embodiments disclosed in the present invention only relate to the structures related to the embodiments disclosed in the present invention. Other structures may refer to conventional designs. In the absence of conflicts, the same embodiment and different embodiments of the present invention may be combined with each other.

[0042] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited and can be determined using conventional equipment. In this technical solution, the electrical control components not mentioned belong to the prior art and are not shown in the figures and will not be described here.

[0043] Finally: The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An intelligent anti-theft device for LNG filling machine, comprising locking grooves (2) provided on both sides of the filling machine, characterized in that: Locking components are installed inside the two locking grooves (2); The two locking assemblies each include a cylinder (3), the output end of each cylinder (3) is fixedly connected to a fixed rod (4), the bottom end of each fixed rod (4) is fixedly connected to a sliding plate (5), the top surface of each sliding plate (5) is provided with two first sliding grooves (6), both sides of each sliding plate (5) are provided with sliding groove plates (7), the top surfaces of each of the two sliding groove plates (7) are provided with two second sliding grooves (8), a plurality of sliding rods (9) are provided inside the second sliding grooves (8), a plurality of sliding rods (9) are fixedly connected to a sliding nail (10) at one end bottom, the top ends of the left and right sliding rods (9) are fixedly connected to a moving rod (11), one side of each of the two moving rods (11) is fixedly connected to an insert rod (12), a third sliding groove (13) is provided inside each of the two locking grooves (2), and a gas gun (14) is installed between the two insert rods (12).

2. The intelligent anti-theft device for LNG filling machine according to claim 1 is characterized by: The bottom ends of the two gas filling guns (14) are connected to a gas filling pipe (15), and one end of the two gas filling pipes (15) is connected to a connecting pipe (16).

3. The intelligent anti-theft device for LNG filling machine according to claim 2 is characterized by: A motor (17) is provided on the front side of the two connecting pipes (16), and a gear (18) is installed on the output end of the two motors (17).

4. The intelligent anti-theft device for LNG filling machine according to claim 3 is characterized by: One side of each of the two gears (18) is meshed with a toothed disc (19), and a plurality of fourth sliding grooves (20) are provided on the front side of the toothed disc (19).

5. The intelligent anti-theft device for LNG filling machine according to claim 4 is characterized by: A fixing rod (21) is provided inside each of the plurality of fourth sliding grooves (20), and a baffle (22) is fixedly connected to the rear side of each of the plurality of fixing rods (21).

6. The intelligent anti-theft device for LNG filling machine according to claim 1 is characterized by: A plurality of fifth sliding grooves (23) are provided on the front side of the connecting pipe (16).

7. The intelligent anti-theft device for LNG filling machine according to claim 1 is characterized by: The bottom of the sliding plate (5) is slidably connected inside the third sliding groove (13), and the plurality of sliding rods (9) are all slidably connected inside the second sliding groove (8).

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