CN213305976U - Pneumatic rotary-open type satellite receiving opening device - Google Patents

Abstract

The utility model relates to the technical field of satellite unfolding devices, in particular to a pneumatic unscrewing type satellite accommodating opening device, which comprises a fan, a box body, a first air chamber, a second air chamber, a pull rope and a support piece; one end of a shaft of the fan is arranged on one openable side face of the box body through threads, the other end of the shaft of the fan is connected with the other side face of the box body through a pull rope, the first air chamber is arranged on the openable side of the box body, an air outlet of the first air chamber faces the fan, the second air chamber is arranged on the bottom face of the box body, and an air outlet of the second air chamber faces one openable side face of the; the utility model discloses utilize the gas that the chemical reaction that sets up the chemical agent production in two gasbags generated to unblock satellite box.

Description

Pneumatic rotary-open type satellite receiving opening device

Technical Field

The utility model relates to a satellite expansion technical field, concretely relates to pneumatic formula of unscrewing receives satellite opening device.

Background

Very small satellites with wet masses (wet mass) between 1kg and 10kg (2 to 22lbs) are commonly referred to as "nano-satellites". Such satellites can be as small as or smaller than a single bread, are relatively inexpensive to build, but are typically very delicate in structure. They may be configured to carry an onboard computer adapted to interface with a communication system designed to not only control directional stability including orbital commands, but also to allow deployment of onboard equipment, such as solar panels and antennas, from their pre-launch stowed state to their operational state on an orbiting satellite.

One known deployment system used in existing nano-satellite structures involves the use of a thinned coiled nichrome wire configured to melt nylon fishing line (nylon fishing line) adapted to release or deploy deployment devices such as solar panels and antennas. The problems with coils, including overheating, dissolving and/or cracking nylon before they are heated sufficiently to their melting point, and the lack of system reproducibility, have created a need for more reliable deployed structures.

It is therefore desirable to provide an improved deployment system for a nano-satellite.

In order to make up for the above deficiency, the invention of the "nano-satellite electric heating unfolding system" in the granted patent of chinese patent No. CN105523199B is that a coil is bound on the outer side of the structural plate and is heated by a heating rod on a support rod near the satellite element, so that the coil is broken, and the structural plate is unlocked and unfolded.

When the device is heated, heat can be conducted to the satellite element through the supporting rod, and damage to the satellite element can be caused.

The device is electrified through the remote control device after reaching a preset track, and a broken coil is heated, so that a large amount of energy is consumed, and meanwhile, harmful resource heat is generated.

The device can unlock and unfold the box body only by electrifying and heating, and the electrifying and heating needs to arrange a circuit, so that the cost is increased, and meanwhile, the satellite mass is increased, and the emission cost is increased.

Disclosure of Invention

An object of the utility model is to provide a receive satellite electric heat expansion system and consume energy when having solved heating fusing coil and be high, stability is low, and the subassembly harmony is poor, and the quality is heavy, produces the problem that harmful substance harmd satellite element when the unblock expandes.

A pneumatic rotary-open satellite receiving opening device comprises a fan, a box body, a first air chamber, a second air chamber, a pull rope and a supporting piece;

one end of a rotating shaft of the fan is provided with external threads, and the other end of the rotating shaft is fixed with a pull rope;

the box body is a cube, wherein two opposite surfaces of the box body are a first structural plate part and a second structural plate part;

the inner side surface of one part of the structural plate is provided with a first air chamber and a convex groove, the convex groove is internally provided with an internal thread, and the external thread on the rotating shaft of the fan is matched with the internal thread;

one end of the pull rope is fixed on a fixing piece of the fan, the other end of the pull rope is fixed on a clamping groove arranged on the second part of the structural plate, and the pull rope is in a tensioning state initially;

a second air chamber is arranged in the bottom of the box body and comprises a first accommodating chamber part, a second accommodating chamber part, a partition plate, a reaction part and an air outlet;

the first air chamber and the second air chamber are identical in structure, and an air outlet of the first air chamber faces the fan blades;

potassium peroxide and water are respectively placed in the first accommodating chamber and the second accommodating chamber, the opening of the partition plate is controlled by an electric control switch, and a support piece is arranged at an air outlet on the second air chamber and comprises a circular groove and a support rod;

the support rod is arranged in the circular groove and made of airtight flexible materials, the support rod is contracted in the circular groove in the initial state, and the support rod extends towards one part of the structural plate after being inflated.

Has the advantages that:

the utility model discloses a box is come to unblock to the gas that chemical reaction generated, the utility model discloses it is lower to compare with prior art power consumption.

The heat that prior art heating produced can conduct to the satellite component, leads to damaging the satellite component, the utility model discloses use the gaseous unblock box that chemical reaction produced, the utility model discloses compare with prior art danger lower, the reliability is higher.

Drawings

Fig. 1 is a first cross-sectional view of the present invention.

Fig. 2 is a sectional view of the first embodiment of the present invention.

Fig. 3 is a third cross-sectional view of the present invention.

Fig. 4 is a schematic view of the inside of the air chamber of the present invention.

Fig. 5 is a schematic view of the fan of the present invention.

Fig. 6 is a schematic view showing the expansion of the box body of the present invention.

In the figure, 11-a fan, 111-fan blades, 112-fastening rods, 113-a circular ring, 114-a fixing piece, 12-a box body, 121-an upper cover plate, 122-a first structural plate part, 1221-a convex groove, 123-a second structural plate part, 1231-a clamping groove, 124-a base, 13-a first air chamber, 23-a second air chamber, 131-a first accommodating chamber, 132-a second accommodating chamber, 133-a partition plate, 134-a reaction part, 135-an air outlet, 14-a pull rope, 15-a supporting piece, 151-a circular groove and 152-a supporting rod.

Detailed Description

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are easily implemented by those having ordinary skill in the art to which the present invention pertains.

As shown in fig. 1, 2, 5 and 6, a pneumatic swing-open satellite accommodating opening device comprises a fan 11, a box body 12, a first air chamber 13, a second air chamber 23, a pull rope 14 and a support member 15;

as shown in fig. 5, the fan 11 includes fan blades 111, a fastening rod 112, a ring 113, and a fixing member 114;

as shown in fig. 5, the fastening rod 112 is provided with threads, and the ring 113 is provided with a fixing member 114;

as shown in fig. 2, the box 12 includes an upper cover 121, a first structural plate 122, a second structural plate 123, and a base 124;

as shown in fig. 2, the first portion 122 of the structural plate includes a groove 1221, and the groove 1221 is provided with a thread;

as shown in fig. 3, the second portion 123 of the structural panel includes a clamping groove 1231;

as shown in fig. 1, a first gas cabin 13 is arranged on the first structural plate part 122;

as shown in fig. 6, a second air chamber 23 is arranged on the base 124, and a support member 15 is arranged on the first air chamber 13;

as shown in fig. 1 and 3, one end of the pulling rope 14 is tied to the fixing element 114 of the fan 11, and the other end is fixed to the clamping groove 1231 of the second portion 123 of the structural plate, so as to achieve the effect of tensioning the first portion 122 of the structural plate;

as shown in fig. 1, the threads on the fastener 112 cooperate with the threads on the slot 1221 of the first portion 122 of the structural plate to achieve a fastening effect;

as shown in fig. 1 and 4, the first gas chamber 13 comprises a first accommodating chamber part 131, a second accommodating chamber part 132, a partition 133, a reaction site 134 and a gas outlet 135;

the second air chamber 23 and the first air chamber 13 have the same structure;

the partition 133 is electrically controlled;

as shown in fig. 1 and 4, the first and second chambers 131 and 132 respectively contain potassium peroxide and water, which are chemical reagents, and the chemical reaction equation is 2K₂O₂+2H₂O＝4KOH+O₂；

As shown in fig. 1 and 4, when the satellite does not reach the expected orbit, the chemical reaction in the two gas chambers does not proceed due to the blocking of the partition 133, when the satellite enters the orbit, the partition 133 is opened, the chemicals react at the reaction site 134, and oxygen is generated by the reaction and is exhausted through the gas outlet 135;

as shown in fig. 6, the supporting member 15 includes a circular groove 151, a supporting rod 152;

the circular groove 151 is provided with a support rod 152 therein, and the support rod 152 is made of an airtight flexible material; the support rods 152 are rod-like in their inflated condition and collapse into the circular grooves 151 in their uninflated condition.

The utility model discloses the theory of operation:

as shown in fig. 1 and 6, when the satellite enters the orbit, the partition 133 is opened, the chemicals in the first air chamber 13 of the first structural plate 122 begin to react to generate gas, the generated gas is exhausted from the air outlet 135, the exhausted gas blows the fan blades 111, when the fan blades 111 on the fan 11 rotate, the fastening rod 112 is driven to unscrew the fastening rod 112 from the convex slot 1221 of the first structural plate 122, and when the fastening rod 112 is completely unscrewed, the first structural plate 122 is in a loose state;

as shown in fig. 6, the chemicals in the second gas chamber 23 on the base 124 begin to react to generate gas, the generated gas is discharged from the gas outlet 135, the support rod 152 is connected to the gas outlet, the discharged gas inflates the support rod 152, and the inflated support rod 152 extends out of the circular groove 151 and abuts against the first structural plate portion 122 to be unlocked and unfolded.

The utility model discloses simple structure, stability is high, and the energy consumption is low, and reliable performance is good, and the quality is low, and space utilization is big, and the flow is optimized more, and the harmony is higher between the subassembly.

Claims (1)

1. A pneumatic swing-open satellite receiving opening device comprises a fan (11), a box body (12), a first air chamber (13), a second air chamber (23), a pull rope (14) and a supporting piece (15);

the method is characterized in that:

the fan (11) comprises fan blades (111), a fastening rod (112) and a fixing piece (114), wherein one end of the fastening rod (112) is provided with an external thread, the end face of the other end of the fastening rod is provided with the fixing piece (114), and the fan blades (111) are arranged on the outer peripheral side of the fastening rod;

the box body (12) is a cube, wherein two opposite surfaces are a first structural plate part (122) and a second structural plate part (123);

the inner side surface of the first structural plate part (122) is provided with a first air chamber (13) and a convex groove (1221), and an internal thread is arranged in the convex groove (1221);

the external thread on the fastening rod (112) is matched with the internal thread on the convex groove (1221);

a clamping groove (1231) is formed in the second structural plate part (123) and corresponds to the convex groove (1221);

one end of the pull rope (14) is fixed on a fixing piece (114) of the fan (11), the other end of the pull rope is fixed on a clamping groove (1231) of the second structural plate part (123), and the pull rope (14) is in a tight state initially;

a second air chamber (23) is arranged in the bottom of the box body (12), and the second air chamber (23) comprises a first accommodating chamber part (131), a second accommodating chamber part (132), a partition plate (133), a reaction part (134) and an air outlet (135);

the first air chamber (13) and the second air chamber (23) have the same structure;

the first accommodating chamber part (131) and the second accommodating chamber part (132) are respectively provided with potassium peroxide and water, and the chemical reaction equation is 2K₂O₂+2H₂O＝4KOH+O₂；

The partition plate (133) is opened in an electric control mode, a support piece (15) is arranged at an air outlet (135) on the second air chamber (23), and the support piece (15) comprises a circular groove (151) and a support rod (152);

the supporting rod (152) is arranged in the circular groove (151), the supporting rod (152) is made of airtight flexible materials, and the supporting rod (152) is contracted in the circular groove (151) in an initial state.

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