CN216741770U - Gas generating set's gas control structure - Google Patents

Abstract

The utility model relates to a gas monitoring structure of a gas generator set, which comprises: the constant-pressure barrel is provided with a constant storage cavity and a compensation cavity respectively, the sliding plug plate is arranged in the constant-pressure barrel and separates the constant storage cavity from the compensation cavity, the center of the stabilizing plate cylinder is provided with a push plate shaft, the push plate shaft penetrates through the constant-pressure barrel and is fixedly connected with the center of the sliding plug plate in the compensation cavity, the outer end of the push plate shaft is provided with a slow vibration spring, and the outer side of the stabilizing plate cylinder is provided with an elastic push rotary rod; the pressure maintaining ball is arranged below the constant pressure barrel and is communicated with the electric regulating valve of the compensation cavity through a pipeline. The utility model adopts the sliding plug plate between the constant storage cavity and the compensation cavity to quickly eliminate the pressure fluctuation of the main pipeline of the gas engine, the supply quantity of gas is sufficient when the gas cylinder is replaced, the stability of gas supply pressure is good, and the running stability of the gas engine is good.

Description

Gas generating set's gas control structure

Technical Field

The utility model belongs to the technical field of voltage stabilizing devices, and particularly relates to a gas monitoring structure of a gas generator set.

Background

The gas generating set is used as a standby power supply, has wide application scenes, and can be used in places such as emergency power supply of buildings, emergency power supply of equipment, mobile power supply and the like. The gas generator set is similar to the diesel generator set, the internal combustion engine is adopted to drive the generator to generate electricity, the diesel generator set can continuously consume diesel oil during generating electricity, and the gas generator set drives the internal combustion engine by using combustible gas with high combustion value such as natural gas, coal gas or methane, so that the generator is driven to generate electricity. The gas generator set is used as an emergency power supply, has good mobility, can adopt canned combustible gas to be applied in a matched mode, and is more in 15 kg SP35.5 type liquefied petroleum gas steel cylinder with convenient ventilation. Generally, when the generator can generate power for more than 10 hours and 24 hours continuously, a plurality of gas cylinders are provided in advance to store sufficient gas source. In the long-time practical application of the gas generator set, the load of a driving wheel of the generator is relatively fixed, but the phenomenon that the pressure of gas input into the internal combustion engine is unstable when a gas cylinder of the internal combustion engine is changed is generated, so that the surge phenomenon of the internal combustion engine is easily caused, and sometimes, the internal combustion engine is suppressed to temporarily interrupt the power generation; the existing air pressure valve controls the output pressure only by adjusting the throttle area, but the flow of the through-flow gas in the air pressure valve at the moment of replacing the air bottle is slightly reduced or interrupted, which easily causes insufficient or interrupted supply of the gas to the internal combustion engine.

SUMMERY OF THE UTILITY MODEL

The utility model provides a gas monitoring structure of a gas generator set, which aims to solve the technical problems of insufficient gas supply and unstable gas supply pressure during gas cylinder replacement.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a gas generating set's gas control structure, its characterized in that includes:

the constant pressure barrel is respectively provided with a constant storage cavity and a compensation cavity, the constant storage cavity is respectively provided with an inlet control electromagnetic valve, a digital pressure gauge and a constant outlet pressure reducing valve, the compensation cavity is respectively provided with an electric regulating valve, an electronic vacuum gauge and a hand drain valve,

the sliding plug plate is arranged in the constant-pressure barrel and separates the constant storage cavity from the compensation cavity, and a sealing ring, a gasket, a square gasket ring, a compensation support ring and a compensation sealing ring are sequentially arranged on the outer ring of the sliding plug plate;

the plate stabilizing cylinder is arranged on the right side of the constant pressure barrel and is in bolted connection, a push plate shaft is arranged in the center of the plate stabilizing cylinder, the push plate shaft penetrates through the constant pressure barrel and is fixedly connected with the center of the sliding plug plate in the compensation cavity, a buffer spring is arranged at the outer end of the push plate shaft, a packing ring is arranged between the push plate shaft and the constant pressure barrel, and an elastic push rotary rod is arranged on the outer side of the plate stabilizing cylinder;

and the pressure maintaining ball is arranged below the constant pressure barrel and is communicated with the electric regulating valve of the compensation cavity through a pipeline, and a micro air pump and a controller are sequentially arranged on the pressure maintaining ball.

Preferably, the constant pressure bucket is cylindrical long bucket and compresses tightly through two end cover bolt joints, the sliding plug board with the inside sliding fit of constant pressure bucket, the sliding plug board with the constant pressure bucket is through the sealing ring, the square backing ring with the benefit seal ring is sealed.

Preferably, the push plate shaft is in sliding fit with an end cover on one side of the constant-pressure barrel, the push plate shaft and the constant-pressure barrel are sealed through the packing ring, and the damping spring is arranged in the compensation cavity and sleeved on the push plate shaft.

Preferably, the elastic pushing rotary rod comprises a rotary adjusting disc, a screw rod, a bearing joint sleeve, a rotary core and a spring rod, the rotary adjusting disc is connected with the outer end of the screw rod in a pin joint mode after being sleeved in, threads outside the screw rod are matched with the plate stabilizing cylinder in a threaded mode, the inner end of the screw rod is fixedly connected with a shell of the bearing joint sleeve, the rotary core is in bearing type rotary connection with the bearing joint sleeve, and the rotary core is fixedly connected with the spring rod.

Preferably, the rotating and adjusting disc and the screw rod rotate synchronously to enable the screw rod to extend out or retract on the plate stabilizing cylinder, the screw rod synchronously drives the spring rod to move back and forth along the axial lead direction, and the spring rod is fixedly connected with the push plate shaft.

Preferably, the inlet control electromagnetic valve or the electric control valve and the pipeline of the micro air pump are provided with one-way valves.

Preferably, the pressure-maintaining ball is in a shape of two hemispheres which are connected through a flange type bolt.

Preferably, the controller is electrically connected with the micro air pump, the inlet control electromagnetic valve, the digital pressure gauge, the electric regulating valve and the electronic vacuum gauge respectively.

The utility model has the beneficial effects that: the constant pressure barrel is connected with a constant storage cavity of a constant pressure barrel in series to a main pipeline for gas supply, a feed control electromagnetic valve of the constant storage cavity is used as gas inlet, and a constant outlet pressure reducing valve is used as gas outlet and connected with the main pipeline for gas supply in series; the compressed air that the compensation chamber provided through the pressurize ball makes the permanent chamber that stores up of sliding plug board both sides and the pressure in compensation chamber is impartial, when the pressure fluctuation of digital pressure meter detection permanent chamber, the sliding plug board can promote through the damping spring and the bullet push away the swing arm of steadying the board jar, guarantee the change of permanent chamber and compensation chamber volume, the pressure that makes the permanent chamber that stores up tends to steadily fast, the sliding plug board can carry out quick offset with the vibrational force that produces when pressure changes, and can carry out the supply that lasts through the storage gas of permanent intracavity, the supply of gas is sufficient when changing the gas cylinder, pressure is steady, guarantee the sufficient gas of receiving that gas engine can last, the stationarity of gas engine operation is good.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural view of the sliding plug plate of the present invention;

FIG. 3 is a schematic structural view of a pallet cylinder of the present invention;

in the figure: 1 constant pressure bucket, 11 constant storage chamber, 111 inlet control solenoid valve, 112 digital manometer, 113 constant outlet relief valve, 12 compensation chambers, 121 electrical control valve, 122 electronic vacuum meter, 123 hand exhaust valve, 2 sliding plug plate, 21 sealing ring, 22 packing ring, 23 square packing ring, 24 complement support ring, 25 complement ring, 3 stabilizer jar, 31 push pedal axle, 32 damping spring, 33 packing ring, 34 elasticity push swing rod, 341 transfer dish, 342 hob, 343 bearing socket, 344 rotary core, 345 spring rod, 4 pressure-retaining balls, 41 miniature air pump, 411 check valve, 42 controller.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model will be further explained below with reference to the accompanying drawings:

referring to fig. 1 to 3, a gas monitoring structure of a gas generator set disclosed in the present invention may include: constant pressure bucket 1, sliding plug board 2, steady board jar 3 and pressurize ball 4. Hereinafter, a specific structure and principle of the above-described components according to the present invention will be described in detail.

In the embodiment, as shown in fig. 1, by way of example, the constant pressure barrel 1 is a cylindrical long barrel, two ends of the constant pressure barrel 1 can be bolted, pressed or welded by using two end covers, the constant pressure barrel 1 is a cylindrical cavity capable of bearing pressure, and the left end and the right end in the constant pressure barrel 1 can be respectively provided with a constant storage cavity 11 and a compensation cavity 12; the constant storage cavity 11 can be respectively provided with an inlet control solenoid valve 111, a digital pressure gauge 112 and a constant outlet pressure reducing valve 113, the inlet control solenoid valve 111 adopts an electronic gas valve, the inlet control solenoid valve 111 is in pipeline communication with the constant storage cavity 11, and the inlet control solenoid valve 111 can be used as an inlet pipeline of the constant storage cavity 11; the digital pressure gauge 112 may adopt a pressure transmitting sensor with digital display, and the digital pressure gauge 112 is in pipeline communication with the constant storage cavity 11 and is used for detecting the pressure in the constant storage cavity 11; the constant-discharge pressure reducing valve 113 can be a manual pressure reducing valve, the constant-discharge pressure reducing valve 113 can be in pipeline communication with the constant storage cavity 11, and the constant-discharge pressure reducing valve 113 can be used as a gas outlet pipeline of the constant storage cavity 11; when the gas-operated constant pressure reducing valve is used, a gas main pipeline of the gas engine can be communicated with a pipeline of the constant storage cavity 11, and specifically, a gas inlet main pipeline of the gas engine is communicated in series with the inlet control electromagnetic valve 111 and the constant outlet reducing valve 113; the inlet control solenoid valve 111 and the constant outlet pressure reducing valve 113 can close or open the inlet pipe and the outlet pipe of the constant storage chamber 11.

In an embodiment, an electric control valve 121, an electronic vacuum gauge 122 and a hand drain valve 123 are respectively disposed on the compensation chamber 12, the electric control valve 121 may be an electromagnetic valve, the electric control valve 121 is in pipeline communication with the compensation chamber 12, and the electric control valve 121 may serve as an air intake pipeline of the compensation chamber 12; the electronic vacuum gauge 122 may also adopt a pressure transmitting sensor with digital display, and the electronic vacuum gauge 122 is communicated with the compensation chamber 12 and is used for detecting a pressure value of the compensation chamber 12; the hand drain valve 123 may adopt a manual exhaust valve, the hand drain valve 123 may be communicated with the compensation chamber 12, and the hand drain valve 123 may be pulled by hand to release the compressed air in the compensation chamber 12.

In an embodiment, as shown in fig. 1 and 2, the sliding plug plate 2 may be in the shape of a cylindrical piston, the sliding plug plate 2 may be disposed in the constant pressure barrel 1 and slidably engaged therewith, and the sliding plug plate 2 may separate the constant storage chamber 11 and the compensation chamber 12 of the constant pressure barrel 1; the outer ring of the sliding plug plate 2 can be sequentially provided with a sealing ring 21, a gasket 22, a square gasket ring 23, a compensation support ring 24 and a compensation ring 25, the sealing ring 21 is in a circular rubber ring shape, and two ends of the sliding plug plate 2 can be respectively provided with one sealing ring 21; two gaskets 22 can be placed on the inner sides of the two sealing rings 21, and the gaskets 22 can be made of polytetrafluoroethylene materials; two square backing rings 23 can be placed inside the two gaskets 22, and the square backing rings 23 can be square sealing rings made of rubber materials; the supplementary support ring 24 can be placed in the center of the two square backing rings 23, the cross section of the supplementary support ring 24 is in an isosceles trapezoid shape on two sides, the supplementary support ring 24 is a circular ring formed by turning polytetrafluoroethylene materials, slopes on two ends of the supplementary support ring 24 can be slightly inserted into the lower parts of the square backing rings 23 on two sides, the square backing rings 23 can be conveniently jacked up when the sliding plug plate 2 moves, and the sealing performance is guaranteed to be enhanced; meanwhile, the outside of the complementary support ring 24 is sleeved with the complementary support ring 24 made of rubber materials, so that the sealing of the sliding plug plate 2 can be reinforced again; the sliding plug plate 2 and the constant pressure barrel 1 are sealed through the sealing ring 21, the square backing ring 23 and the compensation ring 25, and the constant storage cavity 11 and the compensation cavity 12 on two sides of the sliding plug plate 2 are completely separated. When the gas engine is used, the constant storage cavity 11 is communicated with a main gas pipeline of the gas engine, and combustible gas flows in the constant storage cavity 11; the compensation chamber 12 is in communication with conventional air, so that the good sealing properties of the slide plate 2 prevent the two gases from mixing into each other.

In an embodiment, as shown in fig. 1 and 3, by way of example, a stabilizer cylinder 3 may be disposed at the right side of the constant pressure tub 1 and bolted thereto. The plate stabilizing cylinder 3 is square or round and can be in a barrel shape, a push plate shaft 31 can be arranged in the center of the plate stabilizing cylinder 3, the push plate shaft 31 can penetrate through the end cover on the right side of the constant pressure barrel 1 and is in sliding fit with the constant pressure barrel 1, the push plate shaft 31 and the sliding plug plate 2 on one side of the compensation cavity 12 can be fixedly connected, and the push plate shaft 31, the constant pressure barrel 1 and the sliding plug plate 2 are concentric; a damping spring 32 is arranged at the outer end of the push plate shaft 31, the damping spring 32 is arranged in the compensation cavity 12, the damping spring 32 can be sleeved on the push plate shaft 31 in the compensation cavity 12, one end of the damping spring 32 can be tightly propped against the sliding plug plate 2, and the other end of the damping spring 32 can be tightly propped against the inner side of an end cover of the constant pressure barrel 1; the sliding plug plate 2 can move synchronously with the push plate shaft 31; a packing ring 33 is arranged between the push plate shaft 31 and the constant pressure barrel 1, the packing ring 33 can be sealed in a double mode of sealing ring sealing and packing sealing, the push plate shaft 31 and an end cover of the constant pressure barrel 1 can be sealed by the packing ring 33, pressure in the compensation cavity 12 is ensured not to be lost, and the sliding plug plate 2 and the push plate shaft 31 can be ensured to move smoothly; the outer side of the plate stabilizing cylinder 3 can be provided with an elastic pushing rotary rod 34, and the outer end of the push plate shaft 31 can be adjusted and elastically connected through compression by the elastic pushing rotary rod 34. Specifically, referring to fig. 3, the elastic pushing rotary rod 34 may include a turning plate 341, a screw 342, a bearing boss 343, a rotary core 344, and a spring rod 345; the turning disc 341 is a circular manual turning disc, and the turning disc 341 can be sleeved with the outer end of the screw 342 and then connected with the screw in a pin joint manner; the thread on the outer part of the screw rod 342 is in trapezoidal thread-shaped transmission fit with the plate stabilizing cylinder 3; the inner end of the screw 342 can be fixedly connected with the housing of the bearing sleeve 343, and the housing of the bearing sleeve 343 can synchronously rotate along with the screw 342; the bearing can be installed inside the bearing sleeve 343, the rotating core 344 can be connected with the bearing sleeve 343 in a bearing type rotation manner, the screw 342 can pull the bearing sleeve 343 and the rotating core 344 to move synchronously when moving axially, but the rotating core 344 does not rotate through the bearing sleeve 343 when the screw 342 rotates around the axis; the rotating core 344 may be fixedly connected to the spring rod 345, the spring rod 345 may be a column spring, and two ends of the spring rod 345 may be fixedly connected or bolted and tightly connected to the rotating core 344 and the push plate shaft 31, respectively; the turning disc 341 and the screw 342 rotate synchronously to make the screw 342 extend or retract on the plate-stabilizing cylinder 3, and the screw 342 can synchronously drive the spring rod 345 to move forwards or backwards along the axial lead direction; the push plate shaft 31 with the whole after the sliding plug plate 2 is connected can pass through the damping spring 32 with the spring rod 345 carries out relative elasticity top and holds, guarantees the constant pressure bucket 1 the permanent storage chamber 11 with can pass through when compensating the fluctuation of producing pressure between the chamber 12 the elasticity of sliding plug plate 2 adsorbs and eliminates wave power, does not influence the steady output gas in permanent storage chamber 11.

In the embodiment, referring to fig. 1, the pressure-maintaining ball 4 is formed by two hemispheres connected by a flange-tight seal type bolt, and a spherical cavity is formed in the pressure-maintaining ball 4. The pressure maintaining ball 4 can be arranged below the constant pressure barrel 1 and is in pipeline communication with the electric regulating valve 121 of the compensation cavity 12, and a micro air pump 41 and a controller 42 can be sequentially arranged on the pressure maintaining ball 4; the micro air pump 41 and the controller 42 can adopt a piston compressor with a digital display pressure sensor and a specification of 250 x 130 x 210 produced by Wittie pneumatic tools Limited, N.Hai, and a matched controller thereof; the micro air pump 41, the inlet control solenoid valve 111 and the electric control valve 121 can be provided with check valves 411 on their respective pipelines to prevent the gas on the pipelines from flowing back; the micro air pump 41 charges compressed air into the pressure maintaining ball 4 through the one-way valve 411; a main gas pipeline from the gas tank is used for filling gas into the constant storage cavity 11 through the one-way valve 411 and the inlet control electromagnetic valve 111; the constant storage cavity 11 supplies gas to a main gas pipeline on the gas engine through the constant discharge pressure reducing valve 113 and the check valve 411, and ensures that combustible gas discharged from a gas tank or a gas steel cylinder stably enters the gas engine for combustion operation.

In an embodiment, the controller 42 may be electrically connected to the micro air pump 41, the inlet solenoid valve 111, the digital pressure gauge 112, the electric control valve 121, and the electronic vacuum gauge 122, respectively. After all gas cylinders of the gas generator set are replaced by gas cylinders filled with gas, gas outlet pipelines of all the gas cylinders are connected to a main gas outlet pipeline in parallel, an electronic valve is additionally arranged on a gas outlet pipeline of each gas cylinder, the controller 42 can be electrically connected with a controller of the generator set, the controller of the generator set can close the electronic valve of the gas cylinder and open the electronic valve of another new gas cylinder to continue gas supply to the main pipeline when detecting that the residual gas of the used gas cylinder is insufficient, a gas cylinder replacement signal is synchronously sent to the controller 42, and the controller 42 compares the pressure data information of the digital pressure gauge 112 and the pressure data information of the electronic vacuum gauge 122; when the pressure in the constant storage cavity 11 is the pressure set by the controller 42, the controller 42 controls the micro air pump 41 to start to supply air to the pressure maintaining ball 4 when the pressure in the constant storage cavity 11 is higher than the pressure in the compensation cavity 12, the high-pressure air in the pressure maintaining ball 4 enters the compensation cavity 12 through the regulation and control of the electric regulating valve 121 at a constant speed, so that the pressure in the compensation cavity 12 is equal to the pressure in the constant storage cavity 11, and when the constant storage cavity 11 is ensured to suffer from transient fluctuation of pressure, the sliding plug plate 2 can not only elastically adsorb the vibration force through the damping spring 32 and the spring rod 345, the sliding plug plate 2 can also form balance through balanced pressure of the constant storage cavity 11 and the compensation cavity 12 on the two sides, and the sliding plug plate 2 can also eliminate the vibration force generated by pressure fluctuation in a mode of opposite top pressure on the basis of eliminating the vibration force by the spring; when the pressure of the constant storage cavity 11 is momentarily low in the process of replacing the gas cylinder, the sliding plug plate 2 can be pushed to one side of the constant storage cavity 11 by the aid of the jacking force of the spring and the pressure of the air pressure in the compensation cavity 12, so that the air pressure in the constant storage cavity 11 and the air pressure in the compensation cavity 12 are instantly balanced, the gas engine can continuously receive operable gas to continuously generate electricity, surge generated in the process of exchanging the gas cylinder by the gas engine can be effectively eliminated and solved, and the gas engine can stably operate.

The constant-pressure barrel adopts the structure that a constant storage cavity 11 of a constant-pressure barrel 1 is connected in series to a main pipeline for gas supply, a feed control solenoid valve 111 of the constant storage cavity 11 is used as gas inlet, and a constant outlet pressure reducing valve 113 is used as gas outlet and connected in series to the main pipeline for gas supply; the compressed air that compensation chamber 12 provided through the pressure ball 4 makes the permanent storage chamber 11 of sliding plug board 2 both sides and the pressure in compensation chamber 12 be equalling, when digital pressure table 112 detected the pressure fluctuation in permanent storage chamber 11, sliding plug board 2 can push away the hob 34 through the slow vibration spring 32 and the elasticity of steadying board jar 3 and promote, guarantee the change of permanent storage chamber 11 and compensation chamber 12 volume, the pressure that makes permanent storage chamber 11 tends towards steadily fast, sliding plug board 2 can carry out quick offset with the vibrational force that produces when pressure changes, and can carry out the supply that lasts through the storage gas in the permanent storage chamber 11, the supply volume of gas is sufficient when changing the gas cylinder, pressure is steady, guarantee that gas engine can last received sufficient gas, gas engine operation's stationarity is good.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be dominated by the protection scope of the claims.

Claims (8)

1. A gas generating set's gas control structure, its characterized in that includes:

the constant pressure barrel is respectively provided with a constant storage cavity and a compensation cavity, the constant storage cavity is respectively provided with an inlet control electromagnetic valve, a digital pressure gauge and a constant outlet pressure reducing valve, the compensation cavity is respectively provided with an electric regulating valve, an electronic vacuum gauge and a hand drain valve,

the sliding plug plate is arranged in the constant-pressure barrel and separates the constant storage cavity from the compensation cavity, and a sealing ring, a gasket, a square gasket ring, a compensation support ring and a compensation sealing ring are sequentially arranged on the outer ring of the sliding plug plate;

the plate stabilizing cylinder is arranged on the right side of the constant pressure barrel and is in bolted connection, a push plate shaft is arranged in the center of the plate stabilizing cylinder, the push plate shaft penetrates through the constant pressure barrel and is fixedly connected with the center of the sliding plug plate in the compensation cavity, a buffer spring is arranged at the outer end of the push plate shaft, a packing ring is arranged between the push plate shaft and the constant pressure barrel, and an elastic push rotary rod is arranged on the outer side of the plate stabilizing cylinder;

and the pressure maintaining ball is arranged below the constant pressure barrel and is communicated with the electric regulating valve of the compensation cavity through a pipeline, and a micro air pump and a controller are sequentially arranged on the pressure maintaining ball.

2. The gas monitoring structure of the gas generator set according to claim 1, wherein: the constant pressure bucket is cylindrical long bucket and compresses tightly through two end cover bolt joints, the sliding plug board with the inside sliding fit of constant pressure bucket, the sliding plug board with the constant pressure bucket passes through the sealing ring, the square backing ring with the benefit seal ring is sealed.

3. The gas monitoring structure of the gas generator set according to claim 1, wherein: the push plate shaft is in sliding fit with one side end cover of the constant-pressure barrel, the push plate shaft is sealed with the constant-pressure barrel through the packing ring, and the buffer spring is arranged in the compensation cavity and sleeved on the push plate shaft.

4. The gas monitoring structure of the gas generator set according to claim 1, wherein: the elastic pushing rotary rod comprises a rotary adjusting disc, a screw rod, a bearing joint sleeve, a rotary core and a spring rod, the rotary adjusting disc is connected with the tail end of the outer side of the screw rod in a pin joint mode after being sleeved in, threads outside the screw rod are matched with the stable plate cylinder in a threaded mode, the tail end of the inner side of the screw rod is fixedly connected with a shell of the bearing joint sleeve, the rotary core is in bearing type rotary connection with the bearing joint sleeve, and the rotary core is fixedly connected with the spring rod.

5. The gas monitoring structure of the gas generator set according to claim 4, wherein: the rotating and adjusting disc and the screw rod rotate synchronously to enable the screw rod to extend out or retract on the plate stabilizing cylinder, the screw rod synchronously drives the spring rod to move back and forth along the axial lead direction, and the spring rod is fixedly connected with the push plate shaft.

6. The gas monitoring structure of the gas generator set according to claim 1, wherein: and one-way valves are arranged on the inlet control electromagnetic valve or the electric regulating valve and the pipeline of the miniature air pump.

7. The gas monitoring structure of the gas generator set according to claim 1, wherein: the pressure maintaining balls are in two hemispheres and are connected through flange type bolts.

8. The gas monitoring structure of the gas generator set according to claim 1, wherein: the controller is electrically connected with the micro air pump, the feeding control electromagnetic valve, the digital pressure gauge, the electric regulating valve and the electronic vacuum gauge respectively.

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