Explosion-proof sound control device of hydrogen combustion unit

Abstract

The utility model discloses an explosion-proof sound control device of a hydrogen combustion unit, which comprises an explosion-proof sound control device, an explosion-proof valve and an explosion-proof control device, the explosion-proof sound control device is connected with a fixed lantern ring, one side of the explosion-proof sound control device is connected with a sound detection sensor, a one-way valve pipe is connected in the fixed lantern ring, and the explosion-proof valve is connected with the explosion-proof control device. One end of the one-way valve pipe is connected with an air outlet pipe, the anti-explosion valve is connected to the end, away from the air outlet pipe, of the one-way valve pipe, a connecting air pipe is connected between the anti-explosion valve and the one-way valve pipe, a sealing ring is arranged between the connecting air pipe and the anti-explosion valve, and the end, away from the connecting air pipe, of the anti-explosion valve is connected with an air inlet pipe. The explosion-proof control device is connected to the top of the explosion-proof valve, one side of the explosion-proof valve is connected with the valve control device, supply of hydrogen can be cut off in time when the internal combustion engine explodes, flames generated during explosion can be prevented from flowing back into the gas supply device, and loss is prevented from being further expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen combustion engines, in particular to an explosion-proof sound control device for a hydrogen combustion engine set. Background Art

[0002] Hydrogen does not contain carbon and does not produce CO2 after combustion. Hydrogen can be obtained through renewable energy sources such as solar energy and wind energy. It is considered to be an ideal energy source or energy carrier. When hydrogen is used as a fuel for internal combustion engines, it is very easy to achieve lean combustion, emit less pollutants, and have high thermal efficiency.

[0003] The patent with application number CN202311784056.6 retrieved proposed an ammonia-to-hydrogen internal combustion engine combustion method and an internal combustion engine, which can achieve a large-area hydrogen flame, absorb heat and cool the combustion chamber, form an anti-knock atmosphere, suppress the knock caused by hydrogen spontaneous combustion, and improve the thermal efficiency and stability of the internal combustion engine.

[0004] Similar to the above-mentioned ammonia-to-hydrogen internal combustion engine combustion method and internal combustion engine, although it can achieve a large-area hydrogen flame, absorb heat and cool the combustion chamber, form an anti-knock atmosphere, suppress the detonation caused by hydrogen spontaneous combustion, and improve the thermal efficiency and stability of the internal combustion engine, it does not have an explosion-proof sound control device. After an accidental explosion, it cannot quickly and effectively prevent the spread of the explosion, which may cause greater losses later.

[0005] Therefore, in view of this, the existing structure and deficiencies are studied and improved, and an explosion-proof sound control device for a hydrogen combustion unit is proposed, in order to achieve a more practical purpose. Utility Model Content

[0006] The purpose of the utility model is to provide an explosion-proof sound control device for a hydrogen combustion unit to solve the problem that an ammonia-to-hydrogen internal combustion engine combustion method and an internal combustion engine in the above background do not have an explosion-proof sound control device, and after an accidental explosion, the spread of the explosion cannot be quickly and effectively prevented, which may cause greater losses later.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an explosion-proof sound control device for a hydrogen combustion unit, comprising an explosion-proof sound control device, an explosion-proof valve and an explosion-proof control device, wherein a fixed collar is connected to the explosion-proof sound control device, a sound detection sensor is connected to one side of the explosion-proof sound control device, a one-way valve pipe is connected inside the fixed collar, an outlet pipe is connected to one end of the one-way valve pipe, the explosion-proof valve is connected to an end of the one-way valve pipe away from the outlet pipe, a connecting air pipe is connected between the explosion-proof valve and the one-way valve pipe, a sealing ring is provided between the connecting air pipe and the explosion-proof valve, an air inlet pipe is connected to one end of the explosion-proof valve away from the connecting air pipe, the explosion-proof control device is connected to the top of the explosion-proof valve, and a valve control device is connected to one side of the explosion-proof valve.

[0008] Preferably, a one-way ventilation circuit is provided in the one-way valve tube, the connecting air pipe and the air outlet pipe are respectively connected to the two ends of the one-way ventilation circuit, and the one-way ventilation circuit is a one-way channel connecting the air pipe to the air outlet pipe.

[0009] Preferably, the valve control device comprises a controller body and a control motor, wherein the control motor is connected to the top of the controller body, and a transmission device is connected to the control motor and a side of the controller body away from the explosion-proof control device.

[0010] Preferably, an electric actuator is connected to a side of the control motor away from the transmission device, a signal transmission line is connected between the electric actuator and the explosion-proof sound control device, and a transmission screw is arranged in the controller body.

[0011] Preferably, a driving wheel and a driven wheel are provided in the transmission device, and the driving wheel is connected to the control motor, the driven wheel is connected to the transmission screw, and a transmission chain is connected between the driving wheel and the driven wheel.

[0012] Preferably, a transmission connecting block is connected to the transmission screw, and an end of the transmission connecting block away from the transmission device is connected to a connecting sleeve, and one side of the connecting sleeve is connected to a transmission gear plate.

[0013] Preferably, an explosion-proof ball valve is arranged in the explosion-proof valve, and the explosion-proof ball valve is a hollow semicircular body, a sealing protrusion is arranged on one side of the explosion-proof ball valve, and the sealing protrusion and the sealing ring are interlocked, and a ball valve transmission rod is arranged on the top of the explosion-proof ball valve.

[0014] Preferably, the top of the ball valve transmission rod is connected to a connecting gear, and the transmission gear plate and the connecting gear are meshed with each other, the bottom of the explosion-proof ball valve is connected to a mounting connecting rod, and a connecting bearing is provided at the connection between the mounting connecting rod and the explosion-proof valve.

[0015] Compared with the prior art, the utility model has the beneficial effects of: timely cutting off the supply of hydrogen when an internal combustion engine explodes, and preventing the flame generated during the explosion from flowing back into the gas supply device, thereby preventing further expansion of losses. The specific contents are as follows:

[0016] When the hydrogen engine explodes, the flame generated by it enters the one-way ventilation circuit in the one-way valve tube from the outlet pipe, and rotates multiple times to prevent the flame from flowing back to the hydrogen source. At the same time, the control information of the explosion-proof sound control device is transmitted to the electric actuator through the signal transmission line, and the electric actuator controls the control motor to start, and the control motor drives the controller body to start through the transmission device, and the control motor controls the active wheel to rotate, and during the rotation of the active wheel, the driven wheel is driven to rotate through the transmission chain, and at the same time, the driven wheel drives the transmission screw to rotate, and the transmission screw drives the transmission connection block and the connecting sleeve connected to it to move along the direction of the transmission screw, and the connecting sleeve drives the transmission gear plate to move during the movement, and the transmission gear plate drives the connecting gear to rotate during the movement, and the ball valve transmission rod and the explosion-proof ball valve connected to the ball valve transmission rod are driven to rotate through the connecting gear, and the bottom of the ball valve rotates in the connecting bearing by installing the connecting rod, and when the explosion-proof ball valve is closed, the sealing protrusion is completely engaged with the sealing ring, thereby isolating the transportation of hydrogen and avoiding the spread of the explosion. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of the main body of an explosion-proof sound control device for a hydrogen combustion unit according to the utility model;

[0018] Figure 2 It is a schematic structural diagram of the side section of a one-way valve pipe of an explosion-proof sound control device for a hydrogen combustion unit according to the utility model;

[0019] Figure 3 It is a schematic structural diagram of a side section of a valve control device of an explosion-proof sound control device for a hydrogen combustion unit according to the utility model;

[0020] Figure 4 It is a schematic diagram of the side section structure of an explosion-proof valve of an explosion-proof acoustic control device for a hydrogen combustion unit according to the utility model;

[0021] Figure 5 The utility model is a schematic diagram of the structure of an explosion-proof ball valve of an explosion-proof sound control device for a hydrogen combustion unit.

[0022] In the figure: 1. explosion-proof sound control device; 11. sound detection sensor; 12. fixing collar; 13. signal transmission line; 2. one-way valve tube; 21. one-way ventilation circuit; 3. outlet pipe; 4. explosion-proof valve; 41. explosion-proof ball valve; 411. sealing convex block; 42. ball valve transmission rod; 421. connecting gear; 43. installation connecting rod; 5. intake pipe; 6. explosion-proof control device; 7. valve control device; 71. controller body; 72. transmission device; 721. transmission chain; 73. control motor; 731. driving wheel; 74. electric actuator; 75. transmission screw; 751. driven wheel; 752. transmission connecting block; 753. connecting sleeve; 754. transmission gear plate; 8. connecting air pipe; 81. sealing ring. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figures 1 to 5 The utility model provides a technical solution: an explosion-proof sound control device for a hydrogen combustion unit, comprising an explosion-proof sound control device 1, an explosion-proof valve 4 and an explosion-proof control device 6, wherein the explosion-proof sound control device 1 is connected with a fixed collar 12, one side of the explosion-proof sound control device 1 is connected with a sound detection sensor 11, and a one-way valve pipe 2 is connected inside the fixed collar 12, one end of the one-way valve pipe 2 is connected with an outlet pipe 3, the explosion-proof valve 4 is connected to the one end of the one-way valve pipe 2 away from the outlet pipe 3, and a connecting air pipe 8 is connected between the explosion-proof valve 4 and the one-way valve pipe 2, a sealing ring 81 is provided between the connecting air pipe 8 and the explosion-proof valve 4, the end of the explosion-proof valve 4 away from the connecting air pipe 8 is connected with an intake pipe 5, and the explosion-proof control device 6 is connected to the top of the explosion-proof valve 4, and one side of the explosion-proof valve 4 is connected with a valve control device 7.

[0025] The explosion-proof sound control device 1 can be connected to the one-way valve pipe 2 or other equipment in the hydrogen combustion engine through a fixed collar 12. The gas enters the explosion-proof valve 4 through the intake pipe 5, and enters the one-way valve pipe 2 through the connecting gas pipe 8, and then enters the intake pipe 5 through the one-way valve pipe 2, and is sent into the hydrogen combustion engine through the intake pipe 5. The explosion-proof sound control device 1 receives the sound in the hydrogen combustion engine through the sound detection sensor 11, and determines whether an explosion occurs in the hydrogen combustion engine by analyzing the sound wave information, and controls the valve control device 7 to open according to the explosion sound, and the valve control device 7 controls the explosion-proof valve 4 to close through the explosion-proof control device 6.

[0026] A one-way ventilation circuit 21 is provided in the one-way valve tube 2, and the connecting air pipe 8 and the outlet pipe 3 are respectively connected to the two ends of the one-way ventilation circuit 21, and the one-way ventilation circuit 21 is a one-way passage connecting the air pipe 8 to the outlet pipe 3. Hydrogen enters the one-way valve tube 2 and is transported in one direction through the one-way ventilation circuit 21. When the hydrogen combustion engine explodes, the flame generated by it enters the one-way ventilation circuit 21 in the one-way valve tube 2 from the outlet pipe 3, and is prevented from flowing back to the source of hydrogen through multiple rotations.

[0027] The valve control device 7 includes a controller body 71 and a control motor 73, the control motor 73 is connected to the top of the controller body 71, the control motor 73 and the side of the controller body 71 away from the explosion-proof control device 6 are connected with a transmission device 72, the control motor 73 is connected with an electric actuator 74 on the side away from the transmission device 72, and a signal transmission line 13 is connected between the electric actuator 74 and the explosion-proof sound control device 1, a transmission screw 75 is arranged in the controller body 71, and a driving wheel 731 and a driven wheel 751 are arranged in the transmission device 72, and the driving wheel 731 is connected to the control motor 73, and the driven wheel 751 is connected to the transmission screw 75, and a transmission chain 721 is connected between the driving wheel 731 and the driven wheel 751, and a transmission connecting block 752 is connected to the transmission screw 75, and the transmission connecting block 752 is away from the transmission device One end of 72 is connected to a connecting sleeve 753, and one side of the connecting sleeve 753 is connected to a transmission gear plate 754. When an explosion occurs, the control information of the explosion-proof sound control device 1 is transmitted to the electric actuator 74 through the signal transmission line 13, and the electric actuator 74 controls the control motor 73 to start, and the control motor 73 drives the controller body 71 to start through the transmission device 72, and the control motor 73 controls the active rotating wheel 731 to rotate, and during the rotation of the active rotating wheel 731, the driven rotating wheel 751 is driven to rotate through the transmission chain 721, and at the same time, the driven rotating wheel 751 drives the transmission screw 75 to rotate, and the transmission screw 75 drives the transmission connecting block 752 and the connecting sleeve 753 connected thereto to move in the direction of the transmission screw 75, and the connecting sleeve 753 drives the transmission gear plate 754 to move during the movement.

[0028] An explosion-proof ball valve 41 is arranged in the explosion-proof valve 4, and the explosion-proof ball valve 41 is a hollow semicircular body. A sealing protrusion 411 is arranged on one side of the explosion-proof ball valve 41, and the sealing protrusion 411 and the sealing ring 81 are interlocked with each other. A ball valve transmission rod 42 is arranged on the top of the explosion-proof ball valve 41, and a connecting gear 421 is connected to the top of the ball valve transmission rod 42, and the transmission gear plate 754 and the connecting gear 421 are meshed with each other. The bottom of the explosion-proof ball valve 41 is connected to an installation connecting rod 43, and the installation connecting rod 43 and the sealing ring 81 are interlocked with each other. A connecting bearing 44 is provided at the connection of the explosion-proof valve 4. When the transmission gear plate 754 moves, it drives the connecting gear 421 to rotate, and drives the ball valve transmission rod 42 and the explosion-proof ball valve 41 connected to the ball valve transmission rod 42 to rotate through the connecting gear 421. The bottom of the explosion-proof ball valve 41 rotates in the connecting bearing 44 by installing the connecting rod 43. When the explosion-proof ball valve 41 is closed, the sealing protrusion 411 is fully engaged with the sealing ring 81, thereby isolating the transportation of hydrogen and avoiding the spread of the explosion.

[0029] Working principle: When using an explosion-proof sound control device for a hydrogen combustion engine unit, the explosion-proof sound control device 1 can be connected to the one-way valve pipe 2 or other equipment in the hydrogen combustion engine through a fixed collar 12. When the hydrogen combustion engine is running, the fuel gas enters the explosion-proof valve 4 through the intake pipe 5, and enters the one-way valve pipe 2 through the connecting gas pipe 8. Hydrogen enters the one-way valve pipe 2, is transported in one direction through the one-way ventilation circuit 21, and then enters the intake pipe 5 through the one-way valve pipe 2, and is sent into the hydrogen combustion engine through the intake pipe 5. When an explosion occurs, the explosion-proof sound control device 1 receives the sound in the hydrogen combustion engine through the sound detection sensor 11, and determines whether an explosion occurs in the hydrogen combustion engine by analyzing the sound wave information, and controls the valve control device 7 to open according to the explosion sound, and the valve control device 7 controls the explosion-proof valve 4 to close through the explosion-proof control device 6.

[0030] First, when the hydrogen engine explodes, the flame generated by it enters the one-way ventilation circuit 21 in the one-way valve tube 2 through the outlet pipe 3, and rotates multiple times to prevent the flame from flowing back to the hydrogen source. At the same time, the control information of the explosion-proof sound control device 1 is transmitted to the electric actuator 74 through the signal transmission line 13, and the electric actuator 74 controls the control motor 73 to start, and the control motor 73 drives the controller body 71 to start through the transmission device 72, and the control motor 73 controls the active wheel 731 to rotate, and during the rotation of the active wheel 731, the driven wheel 751 is driven to rotate through the transmission chain 721, and the driven wheel 751 drives the transmission screw 75 to rotate. The transmission connecting block 752 and the connecting sleeve 753 connected thereto are driven to move in the direction of the transmission connecting block 752, and the connecting sleeve 753 drives the transmission gear plate 754 to move during the movement, and the transmission gear plate 754 drives the connecting gear 421 to rotate during the movement, and drives the ball valve transmission rod 42 and the explosion-proof ball valve 41 connected to the ball valve transmission rod 42 to rotate through the connecting gear 421, and the bottom thereof rotates in the connecting bearing 44 by installing the connecting rod 43, and when the explosion-proof ball valve 41 is closed, the sealing protrusion 411 is fully engaged with the sealing ring 81, thereby isolating the transportation of hydrogen and avoiding the spread of the explosion.

Claims

1. An explosion-proof acoustic control device for a hydrogen combustion engine unit, comprising an explosion-proof acoustic control device (1), an explosion-proof valve (4) and an explosion-proof control device (6), characterized in that: The explosion-proof sound control device (1) is connected to a fixed collar (12), one side of the explosion-proof sound control device (1) is connected to a sound detection sensor (11), and a one-way valve tube (2) is connected inside the fixed collar (12), one end of the one-way valve tube (2) is connected to an air outlet pipe (3), the explosion-proof valve (4) is connected to an end of the one-way valve tube (2) away from the air outlet pipe (3), and a connecting air pipe (8) is connected between the explosion-proof valve (4) and the one-way valve tube (2), a sealing ring (81) is provided between the connecting air pipe (8) and the explosion-proof valve (4), one end of the explosion-proof valve (4) away from the connecting air pipe (8) is connected to an air inlet pipe (5), and the explosion-proof control device (6) is connected to the top of the explosion-proof valve (4), and one side of the explosion-proof valve (4) is connected to a valve control device (7).

2. The explosion-proof acoustic control device for a hydrogen combustion engine set according to claim 1, characterized in that: A one-way ventilation circuit (21) is arranged in the one-way valve tube (2); the connecting air pipe (8) and the air outlet pipe (3) are respectively connected to the two ends of the one-way ventilation circuit (21); and the one-way ventilation circuit (21) is a one-way passage connecting the air pipe (8) to the air outlet pipe (3).

3. The explosion-proof acoustic control device for a hydrogen combustion engine set according to claim 1, characterized in that: The valve control device (7) comprises a controller body (71) and a control motor (73), wherein the control motor (73) is connected to the top of the controller body (71), and a transmission device (72) is connected to the control motor (73) and the side of the controller body (71) away from the explosion-proof control device (6).

4. The explosion-proof acoustic control device for a hydrogen combustion engine set according to claim 3, characterized in that: The control motor (73) is connected to an electric actuator (74) on a side away from the transmission device (72), a signal transmission line (13) is connected between the electric actuator (74) and the explosion-proof sound control device (1), and a transmission screw (75) is arranged in the controller body (71).

5. The explosion-proof acoustic control device for a hydrogen combustion engine set according to claim 4, characterized in that: The transmission device (72) is provided with a driving rotating wheel (731) and a driven rotating wheel (751), wherein the driving rotating wheel (731) is connected to a control motor (73), the driven rotating wheel (751) is connected to a transmission screw rod (75), and a transmission chain (721) is connected between the driving rotating wheel (731) and the driven rotating wheel (751).

6. The explosion-proof acoustic control device for a hydrogen combustion engine set according to claim 5, characterized in that: The transmission screw rod (75) is connected to a transmission connection block (752), and one end of the transmission connection block (752) away from the transmission device (72) is connected to a connection sleeve (753), and one side of the connection sleeve (753) is connected to a transmission gear plate (754).

7. The explosion-proof acoustic control device for a hydrogen combustion engine set according to claim 6, characterized in that: An explosion-proof ball valve (41) is arranged inside the explosion-proof valve (4), and the explosion-proof ball valve (41) is a hollow semicircular body. A sealing protrusion (411) is arranged on one side of the explosion-proof ball valve (41), and the sealing protrusion (411) and the sealing ring (81) are mutually engaged. A ball valve transmission rod (42) is arranged on the top of the explosion-proof ball valve (41).

8. The explosion-proof acoustic control device for a hydrogen combustion engine set according to claim 7, characterized in that: The top of the ball valve transmission rod (42) is connected to a connecting gear (421), and the transmission gear plate (754) and the connecting gear (421) are meshed with each other. The bottom of the explosion-proof ball valve (41) is connected to a mounting connecting rod (43), and a connecting bearing (44) is provided at the connection between the mounting connecting rod (43) and the explosion-proof valve (4).

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