CN115783225A - Airship capsule pressure adjusting system and method - Google Patents

Abstract

The invention discloses an airship envelope pressure adjusting system and method, belonging to the technical field of airship pressure, wherein the pressure adjusting device comprises: the outer barrel is arranged on the outer side of the bag body, the inner barrel is connected with the outer barrel and located on the inner side of the bag body, the side, away from the inner barrel, of the outer barrel is provided with a blower, a driving mechanism is arranged in the outer barrel, and the output end of the driving mechanism is connected with a sealing plug; the inner barrel is internally provided with a sliding plate in a sliding manner, the inner barrel is far away from the outer barrel body end and is connected with a sealing baffle plate connected with the sliding plate in a sliding manner, a spring is arranged between the sliding plate and the inner wall of the inner barrel body, and the sliding plate can enable the sealing baffle plate to synchronously slide to seal or open the inner barrel body. When the driving mechanism is closed, the inner cylinder and the outer cylinder are in a sealing state, so that the sealing performance of the device is enhanced in a double-sealing state of the inner cylinder and the outer cylinder when the pressure is maintained.

Description

Airship capsule pressure adjusting system and method

Technical Field

The invention belongs to the technical field of airship pressure, and particularly relates to an airship envelope pressure adjusting system and method.

Background

The airship serving as one of aircrafts has the characteristics of low carbon, environmental friendliness, low energy consumption, long air-lag time, low requirements on fields for vertical take-off and landing and the like, and becomes a hotspot of development and attack in the field of current aircrafts. At present, an airship generally consists of a main airbag and an auxiliary airbag, wherein the main airbag is filled with gas with density smaller than that of air, usually helium, so that the airship has an aerodynamic streamline shape, and the gas in the main airbag provides main buoyancy lift force for the airship to ascend. The auxiliary air bag is charged or discharged with air through the bag body pressure adjusting device and is used for adjusting the pressure balance and safety inside the bag body of the airship, keeping the overall appearance of the airship in the working process, adjusting the flying posture, the flying speed and the like of the airship.

When the flying height and the ambient weather environmental condition of the airship change, the internal pressure of the capsule of the airship can change obviously or even suddenly. The internal pressure of the airship bag body is kept within the safety value range and the shape is the key that the airship can normally work, the auxiliary air bag is provided with an air charging and discharging working device, and the auxiliary air bag carries out three working states of corresponding air charging, air discharging or pressure maintaining according to the change of the internal pressure of the bag body, so that the airship is always in the shape keeping the airship and the bag body is not overpressured.

Chinese patent (application number: 201310209873.9) discloses an automatic inflation and deflation air pressure adjusting system for an aerostat air bag, which provides a structure device for adjusting air pressure of a bag body, but the defect exists in that a steering engine is arranged in the bag body, the connection of the steering engine needs to be powered through a sealing interface and an external connecting line, and the problem of how to ensure sealing and air leakage are difficult is solved, and in addition, the steering engine is arranged in the bag body, so that the using environment condition of the steering engine is poor. Moreover, the sealing of the structural device is completely sealed by matching the valve core and the valve cavity, and the risk of untight sealing and failure in long-time use exists.

Therefore, it is desirable to provide an airship envelope pressure regulating system and method to solve the above problems.

Disclosure of Invention

In view of this, the invention aims to provide an airship capsule pressure regulating system and method, which are used for solving the problems that in the prior art, sealing is completely sealed by matching of a valve core and a valve cavity, and sealing is not tight and failure risks exist after long-time use.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides an airship capsule pressure regulating system, wherein a capsule comprises a main airbag and an auxiliary airbag arranged in the main airbag, an emergency safety device is arranged on the main airbag, a pressure regulating device is arranged on the auxiliary airbag, a pressure controller electrically connected with the emergency safety device and the pressure regulating device is arranged at the bottom of the outer side of the capsule, and the pressure regulating device comprises: the outer barrel is mounted on the outer side of the bag body, the inner barrel is connected with the outer barrel and located on the inner side of the bag body, the blower is mounted on the side, away from the inner barrel, of the outer barrel, a driving mechanism used for outputting reciprocating linear motion is mounted in the outer barrel, the pressure controller is used for monitoring the pressure value of the bag body and transmitting electric signals to the driving mechanism and the blower, the output end of the driving mechanism is connected with a sealing plug, and the driving mechanism can output power to drive the sealing plug to reciprocate so as to seal or open the outer barrel;

the inner cylinder is internally provided with a sliding plate in a sliding manner, the inner cylinder is far away from the end of the outer cylinder body and is connected with a sealing baffle connected with the sliding plate in a sliding manner, a spring is arranged between the sliding plate and the inner wall of the inner cylinder, and the sliding plate can enable the sealing baffle to synchronously slide to seal or open the inner cylinder.

Furthermore, the sliding plate is connected with the sealing baffle through a screw rod, the screw rod is provided with internal threads, an adjusting stud is connected to the side, close to the sealing plug, of the screw rod in a threaded manner, and the adjusting stud is rotated to adjust the depth of the adjusting stud extending into the screw rod, so that the movement stroke of the sealing baffle output by the driving mechanism is adjusted.

Furthermore, the screw rod is connected with an adjusting nut in a threaded manner, the sliding plate is abutted to the adjusting nut, and the adjusting nut is rotated to drive the sliding plate to slide along the screw rod so as to adjust the original compression amount of the spring.

Further, the cross section of the sealing plug is trapezoidal, an inner sealing rubber column in interference fit with the sealing plug is installed on the side, close to the sealing plug, of the outer cylinder, and the sealing plug is attached to or separated from the inner sealing rubber column so that the outer cylinder is sealed or opened.

Further, the inner sealing rubber column is detachably mounted in the outer cylinder body through a clamp spring.

Furthermore, the inner cylinder body is provided with a sealing rubber ring close to the side of the sealing baffle.

Further, an inner annular sealing ring is installed in the inner cylinder body, and when the outer cylinder body is connected with the inner cylinder body, the outer cylinder body tightly presses the inner annular sealing ring; the joint of the outer cylinder and the capsule is sealed by an outer annular sealing ring.

Furthermore, at least two sets of emergency safety devices are installed in the main air bag, at least two sets of pressure adjusting devices are installed in the auxiliary air bag, and at least two pressure monitoring points are arranged on the main air bag and the auxiliary air bag.

Further, pressure controller includes the casing and installs the pressure control panel card in the casing, the casing both sides install with pressure control panel card electrically connected's pressure transmitter, install on the casing with the aviation plug that pressure control panel card is connected, aviation plug is connected with pressure transmitter cable end, actuating mechanism, the equal electricity of air-blower, and pressure transmitter one end and utricule go up the pressure detection point and pass through the trachea and be connected, and the other end passes through the trachea with utricule atmosphere on every side and is connected.

An adjusting method of an airship capsule pressure adjusting system comprises a capsule inflation method, a capsule exhaust method and a capsule pressure maintaining method,

the balloon inflation method comprises the following steps: when the pressure controller monitors that the pressure of the bag body is lower than the working pressure range value, the pressure controller outputs a starting electric signal to the blower and the driving mechanism; the driving mechanism outputs linear motion to move the sealing plug and the sealing baffle plate so as to open the internal channel of the pressure regulating device; and simultaneously, the blower blows the outside air into the bag body along the internal channel of the pressure regulating device so as to realize the inflation of the bag body;

the balloon venting method comprises: when the pressure controller monitors that the pressure of the capsule body is higher than the working pressure range value, the pressure controller outputs a starting electric signal to the driving mechanism, the driving mechanism outputs linear motion to enable the sealing plug and the sealing baffle to move so as to open the internal channel of the pressure regulating device, and gas in the capsule body is discharged to the outside along the internal channel of the pressure regulating device under the condition of being pressed so as to exhaust the capsule body;

when the pressure controller monitors that the pressure of the bag body is higher than a preset emergency range value of working pressure, the pressure controller outputs a starting electric signal to the emergency safety device to carry out emergency pressure relief on the main bag;

the capsule body pressure maintaining method comprises the following steps: when the pressure controller monitors that the pressure of the capsule body is within the working pressure range value, the pressure controller outputs a closing electric signal to the air blower and the driving mechanism, the driving mechanism returns to drive the sealing plug to return to be matched with the inner sealing rubber column to seal the outer barrel body, and the sealing baffle returns to seal the inner barrel body under the action of the spring to realize the pressure maintaining of the capsule body.

The invention has the beneficial effects that:

the pressure controller is arranged to monitor the pressure of the bag body in real time, and the pressure adjusting device is controlled to inflate, exhaust and maintain the pressure of the bag body, so that the balance of the pressure inside the bag body is ensured when the flying height of the airship and the surrounding meteorological environment change, the appearance of the airship is ensured, the bag body is not overpressured, and the safety is enhanced; the inner barrel and the outer barrel are in an open state when the driving mechanism works, the inner barrel and the outer barrel are in a sealing state when the driving mechanism is closed, the sealing performance of the device is enhanced under the double sealing state of the inner barrel and the outer barrel when the pressure maintaining state is realized, the inner barrel and the outer barrel are in an open state when the driving mechanism works, and the smooth inflation and exhaust are ensured.

Additional advantages, objects, and features of the invention will be set forth in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:

FIG. 1 is an installation cross-sectional view of a pressure regulating device according to an embodiment of the present invention;

FIG. 2 is a schematic view of an inflated state of a pressure regulating device according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of an outer barrel of an embodiment of the present invention;

FIG. 4 is a cross-sectional view of an inner barrel of an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an outer cylinder according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of an inner cylinder according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a pressure regulating device according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of an airship according to an embodiment of the invention;

FIG. 9 is a schematic diagram of a pressure controller connection according to an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a pressure controller according to an embodiment of the present invention;

fig. 11 is a schematic block diagram of a bladder pressure monitoring system according to an embodiment of the present invention.

The drawings are numbered as follows: 1. a main airbag; 2. a ballonet; 3. an emergency safety device; 4. a pressure regulating device; 401. an outer cylinder; 402. an internal sealing thread; 403. an inner cylinder; 404. a blower; 405. a drive mechanism; 406. a connecting rod; 407. a sealing plug; 408. a slide plate; 409. sealing the baffle plate; 410. a screw; 411. a spring; 412. adjusting the stud; 413. adjusting the nut; 414. sealing the rubber ring; 415. an inner sealing rubber column; 416. an inner annular seal ring; 417. an outer annular seal ring; 418. a clamp spring; 5. a pressure controller; 501. a housing; 502. controlling a board card; 503. a pressure transmitter; 504. and (6) aerial plug.

Detailed Description

As shown in fig. 1 to 11, the present invention provides an airship capsule pressure regulating system, comprising: the bag body comprises a main bag 1 and an auxiliary bag 2 arranged in the main bag 1, an emergency safety device 3 is arranged in the main bag 1, a pressure adjusting device 4 is arranged on the auxiliary bag 2, a pressure controller 5 is arranged at the bottom of the outer side of the bag body, the pressure controller 5 is electrically connected with the emergency safety device 3 and the pressure adjusting device 4, and the pressure adjusting device 4 comprises: the outer cylinder 401 is arranged on the outer side of a capsule, the inner cylinder 403 is arranged on the inner side of the capsule, a blower 404 is arranged on the outer cylinder 401 far away from the inner cylinder 403 through a fixing flange, a driving mechanism 405 for outputting reciprocating linear motion is arranged in the outer cylinder 401, the pressure controller 5 is electrically connected with the driving mechanism 405 and the blower 404, the pressure controller 5 is used for monitoring the pressure value of the capsule and transmitting an electric signal to start the driving mechanism 405 and the blower 404, the output end of the driving mechanism 405 is connected with a sealing plug 407 through a connecting rod 406, and the driving mechanism 405 can output power to drive the sealing plug 407 to reciprocate so as to seal or open the outer cylinder 401;

a sliding plate 408 is arranged in the inner cylinder 403 in a sliding manner, the end, far away from the outer cylinder 401, of the inner cylinder 403 is connected with a sealing baffle 409 in a sliding manner, the sliding plate 408 is connected with the sealing baffle 409 through a screw 410, a spring 411 is arranged between the sliding plate 408 and the inner wall of the inner cylinder 403, and the sliding plate 408 can enable the sealing baffle 409 to synchronously slide to seal or open the inner cylinder 403.

The working principle of the technical scheme is as follows: as shown in fig. 1 and 2, when the pressure controller 5 monitors that the pressure of the capsule is lower than a working pressure range value, according to the monitored pressure value, the pressure controller 5 outputs an actuating electric signal to the blower 404 and the driving mechanism 405, the driving mechanism 405 is a steering engine and can output reciprocating linear motion, at this time, the blower 404 and the driving mechanism 405 are simultaneously actuated, the driving mechanism 405 outputs linear motion to drive the connecting rod 406 to move, so as to drive the sealing plug 407 to move to open the outer cylinder 401, the sealing plug 407 moves into the inner cylinder 403 to push the adjusting stud 412, the screw 410, the adjusting nut 413 and the sliding plate 408, the screw 410 is provided with external threads, the screw 410 is in threaded connection with the sealing baffle 409, so as to drive the sealing baffle 409 to move, so that the sealing baffle 409 opens the inner cylinder 403, so that the internal passage of the pressure adjusting device 4 is completely opened, wherein the sliding plate 408 and the bottom wall of the inner cylinder 403 are both provided with through holes capable of circulating air, and the external air is blown into the outer cylinder 401 and the inner cylinder 403 by the pressure controller 404 and then is filled into the capsule 403; when the pressure controller 5 monitors that the pressure of the capsule is higher than the working pressure range value, the pressure controller 5 outputs a starting electric signal to the driving mechanism 405 to drive the sealing plate 409 to open the inner cylinder 403, and because the pressure inside the capsule is higher than the pressure of the external environment, the gas inside the capsule is automatically discharged to the surrounding environment through the internal channel of the pressure regulating device 4, so as to realize the exhaust and pressure relief of the capsule; when the pressure controller 5 monitors that the bag body pressure is higher than a preset emergency range value of the working pressure, the bag body pressure adjusting devices are all in an exhaust state at the moment, but the bag body pressure is still under the emergency condition of increasing, the emergency safety device 3 is started emergently to carry out emergency pressure relief on the main air bag 1, wherein the structure of the emergency safety device 3 is partially the same as that of the pressure adjusting device 4, and the emergency safety device 3 does not comprise a blower; when the pressure controller 5 monitors that the pressure of the capsule is within the working pressure range, the pressure controller 5 outputs a closing electric signal to the blower 404 and the driving mechanism 405, the driving mechanism 405 returns to the original position, the sliding plate 408 is not pushed, and the sliding plate 408 is driven to return under the action of the spring 411, so that the sealing baffle 409 is driven to return to the cylinder 403 in the sealing column.

The beneficial effects of the above technical scheme are that: the pressure controller 5 is arranged to monitor the pressure of the bag body in real time, and the pressure adjusting device 4 is controlled to inflate, exhaust and maintain the pressure of the bag body, so that the balance of the pressure inside the bag body is ensured when the flying height of the airship and the surrounding meteorological environment change, the appearance of the airship is ensured, the bag body is not overpressurized, and the safety is enhanced; the inner cylinder body 403 and the outer cylinder body 401 are in an open state when the driving mechanism 405 works, the inner cylinder body 403 and the outer cylinder body 401 are in a sealing state when the driving mechanism 405 is closed, the sealing performance of the device is enhanced under the double sealing state of the inner cylinder body 403 and the outer cylinder body 401 when the device is in a pressure maintaining state, and the driving mechanism 405 drives the inner cylinder body 403 and the outer cylinder body 401 to be in an open state when the driving mechanism 405 works, so that the smooth inflation and exhaust are ensured.

In one embodiment of the present invention, the screw 410 is provided with an internal thread, an adjusting stud 412 is threadedly connected inside the screw 410 near the side of the sealing plug 407, and the depth of the adjusting stud 412 extending into the screw 410 can be adjusted by rotating the adjusting stud 412, so as to adjust the movement stroke of the driving mechanism 405 output to the sealing baffle 409.

The working principle of the technical scheme is as follows: as shown in fig. 1, when the driving mechanism 405 is started, because the output stroke of the driving mechanism 405 is not changed, the driving mechanism 405 pushes the adjusting stud 412 to move, so as to push the sliding plate 408 to move, so as to push the sealing baffle 409 to move to open the inner cylinder 403, and the adjusting stud 412 is rotated to adjust the depth of the adjusting stud 412 in the screw 410, when the adjusting stud 412 is adjusted to be close to the driving mechanism 405, the driving mechanism 405 drives the sealing baffle 409 to move by an increased displacement amount, so that the gap after the sealing baffle 409 opens the inner cylinder 403 is increased, and the inflation and deflation speed of the bladder is increased; when the adjusting stud 412 is adjusted away from the driving mechanism 405, the driving mechanism 405 drives the sealing baffle 409 to move with a reduced displacement, so that the gap after the sealing baffle 409 opens the inner cylinder 403 is reduced, and the inflation and exhaust speed of the balloon is reduced.

The beneficial effects of the above technical scheme are that: by arranging the adjusting stud 412, the gap of the sealing baffle 409 after the inner cylinder 403 is opened can be adjusted, so that the inflating and exhausting speed of the balloon can be adjusted.

In an embodiment of the present invention, an adjusting nut 413 is threadedly connected to the screw 410, the sliding plate 408 abuts against the adjusting nut 413, and rotating the adjusting nut 413 can drive the sliding plate 408 to slide along the screw 410 to adjust the original compression amount of the spring 411.

The working principle of the technical scheme is as follows: as shown in fig. 4, the sliding plate 408 can slide along the screw 410, the sliding plate 408 abuts against the adjusting nut 413 under the elastic force of the spring 411, and the adjusting nut 413 is rotated to move the adjusting nut 413 along the axial direction of the screw 410, so that the sliding plate 408 is driven to move along the axial direction of the screw 410, and the original compression amount of the spring 411 is adjusted.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, through the original compressive capacity that rotates adjusting nut 413 and adjust spring 411, when the original compressive capacity of spring 411 is great, elastic potential energy is great to make seal baffle 409 can return fast, thereby play the effect of adjusting seal baffle 409 return speed, the balance of utricule internal pressure and external environment pressure when further having guaranteed the utricule pressurize state.

In one embodiment of the present invention, a sealing rubber ring 414 is installed on the inner cylinder 403 near the side of the sealing baffle 409.

The working principle and the beneficial effects of the technical scheme are as follows: as shown in fig. 4, the sealing rubber ring 414 has elasticity, and when the sealing baffle 409 seals the inner cylinder 403, the sealing baffle 409 abuts against the sealing rubber ring 414, so that the sealing performance of the sealing baffle 409 on the inner cylinder 403 is enhanced, and gas circulation in a pressure maintaining state is avoided; the sealing and pressure maintaining performance is improved.

In one embodiment of the present invention, the cross section of the sealing plug 407 is trapezoidal, an inner sealing rubber column 415 which is in interference fit with the sealing plug 407 is installed on the side of the outer cylinder 401 close to the sealing plug 407, and the sealing plug 407 is attached to or detached from the inner sealing rubber column 415 to seal or open the outer cylinder 401.

The working principle and the beneficial effects of the technical scheme are as follows: as shown in fig. 3, the outer cylinder 401 is sealed or opened by attaching or detaching the sealing plug 407 to or from the inner rubber column 415, the cross section of the sealing plug 407 is trapezoidal, and the sealing plug 407 is in interference fit with the inner rubber column 415, so that the sealing performance of the sealing plug 407 in cooperation with the inner rubber column 415 is ensured, and the sealing and pressure maintaining performance is improved.

In one embodiment of the present invention, the inner sealing rubber column 415 is detachably mounted in the outer cylinder 401 by a clamp spring 418.

The working principle and the beneficial effects of the technical scheme are as follows: as shown in fig. 3, the inner sealing rubber column 415 is detachably mounted in the outer cylinder 401 by a clamp spring 418, so that when the sealing effect of the inner sealing rubber column 415 and the sealing plug 407 is damaged, the inner sealing rubber column 415 can be conveniently mounted and dismounted to replace the inner sealing rubber column 415.

In one embodiment of the invention, at least two sets of emergency safety devices 3 are installed in the main airbag 1, at least two sets of pressure adjusting devices 4 are installed in the auxiliary airbag 2, and at least two pressure monitoring points are arranged on the main airbag and the auxiliary airbag.

The working principle and the beneficial effects of the technical scheme are as follows: as shown in fig. 8, at least one standby pressure is ensured by arranging more than two sets of emergency safety devices 3 and pressure regulating devices 4, when the emergency safety device is used, one or more pressure regulating devices 4 can be judged to be started according to the difference between the pressure of the capsule body monitored by the pressure controller 5 and the working pressure range and the size of the difference so as to regulate the inflation or exhaust efficiency of the capsule body, and when the difference is smaller, one pressure regulating device 4 can be started, and the rest of the emergency safety devices are used as standby so as to improve the safety; when the bladder is over-pressurized, the pressure regulating devices 4 are all opened, but the pressure value of the bladder exceeds the warning value and still rises in an emergency situation, the emergency safety devices 3 are opened, and one or two of the pressure values are determined according to the change of the pressure value of the bladder.

In one embodiment of the present invention, an inner annular sealing ring 416 is installed inside the inner cylinder 403, and when the outer cylinder 401 is connected to the inner cylinder 403, the outer cylinder 401 is tightly pressed against the inner annular sealing ring 416;

the junction of the outer barrel 401 and the bladder is sealed by an outer annular seal 417.

The working principle and the beneficial effects of the technical scheme are as follows: as shown in fig. 4, by providing the inner annular sealing ring 416 and the outer annular sealing ring 417, the sealing performance of the outer cylinder 401 and the inner cylinder 403 when connected and the sealing performance of the balloon are ensured, and the sealing and pressure maintaining performance of the device is improved.

In an embodiment of the present invention, the pressure controller 5 includes a housing 501 and a pressure control board card 502 installed in the housing 501, pressure transmitters 503 electrically connected to the pressure control board card 502 are installed on two sides of the housing 501, an air plug 504 connected to the pressure control board card 502 is installed on the housing 501, the air plug 504 is electrically connected to the pressure transmitters 503, the driving mechanism 405, and the blower 404, one end of the pressure transmitter 503 is connected to a pressure detection point on the capsule through an air pipe, and the other end of the pressure transmitter 503 is connected to the atmosphere around the capsule through an air pipe.

The working principle of the technical scheme is as follows: as shown in fig. 9-10, the front panel of the pressure controller 5 has four air plugs 504, which are respectively connected to the sockets on the pressure control board card 502 inside the housing 501, and the four air plugs are respectively the output signal line of the pressure controller, the power supply and signal line for the driving mechanism 405 and the pressure transmitter 503, the power supply and signal line for the blower 404, and the input power line for the pressure controller 5; one end of the pressure transmitter 503 is provided with a composite cable of a power supply and a signal wire and is communicated with the aviation plug, the other end is provided with two pressure pipe joints, one end of the pressure pipe joints is communicated with the pressure measuring point of the bag body, and the other end is communicated with the ambient atmosphere around the bag body;

the monitoring system mainly comprises a main control MCU chip and a minimum system thereof, a power supply conversion module, an onboard voltage monitoring module, an onboard temperature monitoring module, an external interface module and an external communication interface circuit, as shown in FIG. 11, a system power supply is DC 24V, power supply of each module circuit in the system is realized through the power supply conversion module, and the onboard voltage and temperature monitoring module mainly realizes monitoring of each secondary conversion voltage and board card temperature on a system circuit board to ensure normal operation of the circuit; the system integrates 2 paths of auxiliary air bag pressure detection points and a bag body pressure adjusting device, wherein the system acquires pressure difference data of the auxiliary air bag pressure detection points through an RS485 interface, and controls corresponding PWM and IO driving circuits to realize bag body pressure adjustment after calculation and processing of a main control MCU; the system integrates 2 main airbag pressure detection points and a bag emergency safety device at the same time, wherein the system acquires pressure difference data of the main airbag pressure detection points through an RS485 interface, a main control MCU controls a corresponding IO driving circuit to achieve main bag emergency exhaust control after calculation and processing, the system is connected with a wireless data transmission module through an RS422 interface to achieve wireless communication between an airship platform bag pressure monitoring system and a ground measurement and control system, the ground measurement and control system can send a control instruction to an airship carrying end system through a wireless link, and the airship carrying end bag pressure monitoring system can transmit data such as real-time bag pressure regulation states back to the ground measurement and control system through the wireless link for display and monitoring application.

The beneficial effects of the above technical scheme are that: the pressure value of a point to be measured of two pressure pipe joints is subjected to difference value obtaining through measurement and operation of a pressure transmitter, so that the internal and external pressure difference values of the capsule body are output and displayed in real time; after the pressure difference value is processed by the pressure control board card main chip, logical operation and judgment are carried out according to the range of the capsule body pressure difference value, and then the working state of the capsule body is judged, whether the pressure regulating working device executes the working capsule body pressure or not is judged, and the detection real-time performance is guaranteed.

The invention also provides an airship capsule pressure adjusting method which comprises a capsule inflation method, a capsule exhaust method and a capsule pressure maintaining method, wherein the capsule inflation method comprises the following steps:

when the pressure controller 5 monitors that the pressure of the capsule is lower than the working pressure range value, the pressure controller 5 outputs a starting electric signal to the blower 404 and the driving mechanism 405; the driving mechanism 405 outputs a linear motion to move the sealing plug 407 and the sealing flap 409 to open the internal passage of the pressure regulating device 4; and at the same time, the blower 404 blows the outside air into the bag body along the internal channel of the pressure regulating device 4 to inflate the bag body;

the balloon venting method comprises the steps of:

when the pressure controller 5 monitors that the pressure of the capsule is higher than the working pressure range value, the pressure controller 5 outputs a starting electric signal to the driving mechanism 405, the driving mechanism 405 outputs linear motion to enable the sealing plug 407 and the sealing baffle 409 to move so as to open the internal channel of the pressure regulating device 4, and gas in the capsule is discharged to the outside along the internal channel of the pressure regulating device 4 under the condition of being pressurized so as to exhaust the capsule;

when the pressure controller 5 monitors that the pressure of the airbag body is higher than a preset emergency range value of the working pressure, the pressure controller 5 outputs a starting electric signal to the emergency safety device 3 to emergently relieve the pressure of the main airbag 1;

the capsule pressure maintaining method comprises the following steps:

when the pressure controller 5 monitors that the pressure of the capsule is within the working pressure range, the pressure controller 5 outputs a closing electric signal to the blower 404 and the driving mechanism 405, the driving mechanism 405 returns to drive the sealing plug 407 to return to be matched with the inner sealing rubber column 415 to close the outer cylinder 401, and the sealing baffle 409 returns to close the inner cylinder 403 under the action of the spring 411 to realize the pressure maintaining on the capsule.

The working principle and the beneficial effects of the technical scheme are as follows: through setting up 5 real-time supervision utricule pressures of pressure controller to control pressure regulating device 4 and emergency safety device 3 aerify, exhaust, pressurize to the utricule, guaranteed that the airship appearance is balanced and the utricule is not superpressure, carries out urgent pressure release to main gasbag 1 through emergency safety device 3 under emergency when altitude and surrounding meteorological environment change, has guaranteed that the airship appearance is balanced and the utricule is not superpressure.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, while the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides an airship utricule pressure governing system, the utricule includes main gasbag and installs the ballonet inside main gasbag, install emergent safety device on the main gasbag, install pressure regulating device on the ballonet, the pressure controller who is connected with emergent safety device and the equal electricity of pressure regulating device is installed to utricule outside bottom, its characterized in that: the pressure adjusting device includes: the outer barrel is mounted on the outer side of the bag body, the inner barrel is connected with the outer barrel and located on the inner side of the bag body, the blower is mounted on the side, away from the inner barrel, of the outer barrel, a driving mechanism used for outputting reciprocating linear motion is mounted in the outer barrel, the pressure controller is used for monitoring the pressure value of the bag body and transmitting electric signals to the driving mechanism and the blower, the output end of the driving mechanism is connected with a sealing plug, and the driving mechanism can output power to drive the sealing plug to reciprocate so as to seal or open the outer barrel;

the inner barrel is internally provided with a sliding plate in a sliding manner, the inner barrel is far away from the outer barrel body end and is connected with a sealing baffle plate connected with the sliding plate in a sliding manner, a spring is arranged between the sliding plate and the inner wall of the inner barrel body, and the sliding plate can enable the sealing baffle plate to synchronously slide to seal or open the inner barrel body.

2. The airship bladder pressure regulating system of claim 1, wherein: the sliding plate is connected with the sealing baffle through a screw rod, the screw rod is provided with internal threads, an adjusting stud is in threaded connection with the side, close to the sealing plug, in the screw rod, the adjusting stud is rotated to adjust the depth of the adjusting stud extending into the screw rod, and therefore the movement stroke of the sealing baffle output by the driving mechanism is adjusted.

3. The airship bladder pressure regulating system of claim 2, wherein: the screw rod is in threaded connection with an adjusting nut, the sliding plate is abutted to the adjusting nut, and the adjusting nut is rotated to drive the sliding plate to slide along the screw rod so as to adjust the original compression amount of the spring.

4. The airship bladder pressure regulating system of claim 1, wherein: the cross section of the sealing plug is trapezoidal, an inner sealing rubber column in interference fit with the sealing plug is installed on the side, close to the sealing plug, of the outer cylinder, and the sealing plug is attached to or separated from the inner sealing rubber column to enable the outer cylinder to be sealed or opened.

5. The airship bladder pressure regulating system of claim 4, wherein: the inner sealing rubber column is detachably arranged in the outer cylinder body through a clamp spring.

6. The airship bladder pressure regulating system of claim 1, wherein: and a sealing rubber ring is arranged on the side, close to the sealing baffle, of the inner cylinder body.

7. The airship bladder pressure regulating system of claim 1, wherein: an inner annular sealing ring is arranged in the inner barrel, and when the outer barrel is connected with the inner barrel, the outer barrel tightly presses the inner annular sealing ring; the joint of the outer cylinder and the capsule is sealed by an outer annular sealing ring.

8. The airship bladder pressure regulation system of claim 1, wherein: the emergency safety device is characterized in that at least two sets of emergency safety devices are installed in the main air bag, at least two sets of pressure adjusting devices are installed in the auxiliary air bag, and at least two pressure monitoring points are arranged on the main air bag and the auxiliary air bag.

9. The airship bladder pressure regulating system of claim 1, wherein: pressure controller includes the casing and installs the pressure control panel card in the casing, the casing both sides install with pressure control panel card electric connection's pressure transmitter, install on the casing with the navigation that pressure control panel card was connected inserts, navigation is inserted and is connected with pressure transmitter cable end, actuating mechanism, the equal electricity of air-blower, and pressure transmitter one end is connected through the trachea with the utricule upper pressure check point, and the other end passes through the trachea with the surrounding atmosphere of utricule and is connected.

10. The method of tuning of an airship bladder pressure regulation system according to any one of claims 1 to 9, where the tuning method comprises a bladder inflation method, a bladder deflation method, a bladder pressure maintaining method,

the balloon inflation method comprises the following steps: when the pressure controller monitors that the pressure of the bag body is lower than the working pressure range value, the pressure controller outputs a starting electric signal to the blower and the driving mechanism; the driving mechanism outputs linear motion to enable the sealing plug and the sealing baffle to move so as to open the internal channel of the pressure regulating device; and simultaneously, the blower blows the outside air into the bag body along the internal channel of the pressure regulating device so as to realize the inflation of the bag body;

the balloon venting method comprises: when the pressure controller monitors that the pressure of the capsule body is higher than the working pressure range value, the pressure controller outputs a starting electric signal to the driving mechanism, the driving mechanism outputs linear motion to enable the sealing plug and the sealing baffle to move so as to open the internal channel of the pressure regulating device, and gas in the capsule body is discharged to the outside along the internal channel of the pressure regulating device under the condition of being pressed so as to exhaust the capsule body;

when the pressure controller monitors that the pressure of the bag body is higher than a preset emergency range value of working pressure, the pressure controller outputs a starting electric signal to the emergency safety device to carry out emergency pressure relief on the main bag;

the capsule body pressure maintaining method comprises the following steps: when the pressure controller monitors that the pressure of the capsule body is within the working pressure range value, the pressure controller outputs a closing electric signal to the air blower and the driving mechanism, the driving mechanism returns to drive the sealing plug to return to be matched with the inner sealing rubber column to seal the outer barrel body, and the sealing baffle returns to seal the inner barrel body under the action of the spring to realize the pressure maintaining of the capsule body.

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