A solar cell wing unlocking device and fault detection device thereof

Abstract

The present invention discloses a solar cell wing unlocking device and a fault detection device thereof, comprising: a separation component, including: a sleeve and a spring component; the sleeve is fixed to the solar cell wing, and the spring component is arranged inside the sleeve; a base for fixing and connecting the aircraft cabin; a separation nut arranged in the base; a connecting rod, the upper part of which extends into the separation component and is fixed to the spring component, and the lower part of which is inserted into the base and connected to the separation nut; in the locked state, the separation nut is fixed to the connecting rod, so that the separation component is fixed to the base, and the spring component is in a compressed state; in the unlocked state, the separation nut is separated from the connecting rod, and the spring component is extended, so that the separation component is separated from the base. The solar cell wing unlocking device of the present invention can fix the solar wing to the aircraft during the launch stage of the aircraft; after the aircraft enters orbit, the unlocking device unlocks the solar wing to unfold it, so that the solar wing absorbs light energy to provide energy for the space station.

Description

Technical Field

[0001] The invention relates to the technical field of launch vehicle separation, and in particular to a solar cell wing unlocking device and a fault detection device thereof. Background Art

[0002] During the on-orbit operation phase of the space station, the solar panels (hereinafter referred to as solar panels) must be unfolded to obtain energy. The solar panels are compressed by an unlocking device during the launch phase of the spacecraft. After the spacecraft enters orbit, the unlocking device is unlocked to release the solar panels and unfold them.

[0003] The deployment of the solar wing must go through a series of procedures. Therefore, when the battery wing fails to deploy, it is difficult to determine which procedure caused the failure. After eliminating the reasons such as "insufficient detonation power supply current" and "failure to send the pyrotechnic detonation command", the astronauts need to go out of the cabin to eliminate the "connecting rod does not pop up" failure. As astronauts are restricted by the vision of clothing and helmets, the layout of aircraft equipment, and the configuration of equipment, it is not easy to check whether the failure of the unlocking device is caused by the "connecting rod does not pop up". Therefore, it is necessary to design an astronaut emergency cabin unlocking fault detection device. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a solar cell wing unlocking device and a fault detection device thereof.

[0005] In order to achieve the above-mentioned purpose, the present invention provides a solar cell wing unlocking device, comprising: a separation component, comprising: a sleeve and a spring component; the sleeve is fixed to the solar cell wing, and the spring component is arranged inside the sleeve and slides along the inner wall of the sleeve; a base for fixedly connecting to an aircraft cabin; a separation nut arranged in the base; a connecting rod, the upper part of which extends into the separation component and is fixed to the spring component, and the lower part of which is inserted into the base and connected to the separation nut; in a locked state, the separation nut is fixed to the connecting rod, so that the separation component is fixed to the base, and the spring component is in a compressed state; in an unlocked state, the separation nut is separated from the connecting rod, and the spring component is extended, so that the separation component is separated from the base.

[0006] Optionally, the spring assembly includes: a spring and a baffle plate; the baffle plate is fixed to the top end of the connecting rod, and the spring is arranged between the baffle plate and the sleeve.

[0007] Optionally, the separation nut consists of four parts, which are evenly arranged along the circumference of the connecting rod.

[0008] Optionally, a detection through hole is opened on the upper portion of the side wall of the sleeve, and the spring assembly slides inside the sleeve to cover or avoid the detection through hole.

[0009] The present invention also provides a fault detection device for detecting the above-mentioned solar cell wing unlocking device, the fault detection device comprises: a detection component and a handheld component; the detection component comprises: a detection plate, a detection rod, and a connecting plate connecting the detection plate and the detection rod; the detection plate is arranged horizontally, the top surface of the detection plate is fixed to the handheld component, and the bottom surface of the detection plate is used to resist the upper end surface of the sleeve; the detection rod is arranged below the detection plate for inserting into the detection through hole; the distance between the detection plate and the detection rod is equal to the distance between the upper end surface of the sleeve and the detection through hole; in the locked state, the separation nut is fixed to the connecting rod, the spring assembly is in a compressed state to avoid the detection through hole, and the detection rod can be inserted into the detection through hole; in the unlocked state, the separation nut is separated from the connecting rod, the spring assembly is extended to block the detection through hole, and the detection rod cannot be inserted into the detection through hole.

[0010] Optionally, the upper end surface of the sleeve is marked with an identification ring, and the color of the identification ring is different from that of the sleeve; the detection plate is provided with an identification hole matching the identification ring.

[0011] Optionally, the handheld component includes: a handle and an operating rod, and the operating rod fixes the handle to the detection board.

[0012] Optionally, the detection rod and the connecting plate are connected via a transition piece, and the outer diameter of the transition piece is larger than the outer diameter of the detection rod to avoid stress concentration on the connecting plate.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] (1) The solar wing unlocking device of the present invention can fix the solar wing to the aircraft during the launch phase of the aircraft to ensure that the solar wing is not damaged during the launch phase; after the aircraft enters orbit, the solar wing unlocking device of the present invention is unlocked to unfold the solar wing, so that the solar wing absorbs light energy to provide energy for the space station.

[0015] (2) The present invention also provides a fault detection device for detecting the above-mentioned solar cell wing unlocking device, so as to detect the solar cell wing unlocking device when a fault occurs, to check whether the fault is caused by "the connecting rod not popping up": when the detection rod of the fault detection device can be inserted into the unlocking device, the fault of the unlocking device is caused by "the connecting rod not popping up"; when the detection rod of the fault detection device cannot be inserted into the unlocking device, the fault is ruled out as being caused by "the connecting rod not popping up".

[0016] (3) The fault detection device of the present invention can be used in conjunction with a solar cell wing unlocking device. When a fault occurs in the solar cell wing unlocking device, the inspector can hold the fault detection device and quickly detect whether the fault is caused by "the connecting rod not popping up". BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the solar cell wing unlocking device of the present invention.

[0018] Figure 2 It is a cross-sectional view of the solar cell wing unlocking device of the present invention in a locked state.

[0019] Figure 3 It is a cross-sectional view of the solar cell wing unlocking device of the present invention in the unlocked state.

[0020] Figure 4 It is a structural schematic diagram of the fault detection device of the present invention.

[0021] Figure 5 A schematic diagram of detecting a solar cell wing unlocking device fault by using the fault detection device of the present invention.

[0022] Figure 6 It is a schematic diagram of the connection between the connecting plate and the detection rod of the fault detection device of the present invention.

[0023] Figure 7 It is a schematic diagram of the structure of the detection board of the fault detection device of the present invention.

[0024] Figure 8 It is a connection diagram of the handle and the connecting rod of the fault detection device of the present invention.

[0025] Fig. 9 It is a schematic diagram of the exploded view of the handle and the connecting rod of the fault detection device of the present invention.

[0026] In the figure: 1-sleeve, 2-solar cell wing connection surface, 3-aircraft cabin connection surface, 4-spring, 5-connecting rod, 6-separation nut, 7-detection through hole, 8-base, 9-handle, 10-operating rod, 11-detection plate, 12-connecting plate, 13-transition piece, 14-detection rod, 15-identification hole, 16-marked mark, 17-identification ring. DETAILED DESCRIPTION

[0027] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0028] like Figure 1-Figure 3As shown, the present invention provides a solar cell wing unlocking device, including: a separation component, a base 8 and a connecting rod 5. Among them, the separation component includes: a sleeve 1 and a spring component, the sleeve 1 is fixed to the solar cell wing through the solar cell wing connecting surface 2, and the spring component is arranged inside the sleeve 1 and slides along the inner wall of the sleeve 1. The base 8 is arranged below the sleeve 1 and is fixed to the aircraft cabin through the aircraft cabin connecting surface 3. A separation nut 6 is installed inside the base 8. The separation nut 6 is a detachable structural component commonly used in the aerospace field, consisting of two parts. When the separation nut 6 is locked, the two parts are combined into a whole to fix the separation nut 6 with other structural parts (in the present invention, the other structural parts are connecting rods 5); when the separation nut 6 is unlocked, the two parts of the separation nut 6 are separated to separate the separation nut 6 from other structural parts.

[0029] The connecting rod 5 is used to connect the separation assembly and the base 8. The upper part extends into the separation assembly and is fixed to the spring assembly; the lower part is inserted into the base 8 and connected to the separation nut 6. Figure 2 As shown, when the separation nut 6 is locked, the separation nut 6 is fixed to the connecting rod 5, so that the separation assembly is fixed to the base 8, and the spring assembly is in a compressed state. Figure 3 As shown, after the separation nut 6 is unlocked by command, the separation nut 6 is separated from the connecting rod 5, and the spring assembly is extended to provide elastic force for the separation assembly, so that the separation assembly is separated from the base.

[0030] The solar wing unlocking device of the present invention can fix the solar wing to the aircraft during the launch phase of the aircraft to ensure that the solar wing is not damaged during the launch phase; after the aircraft enters orbit, the solar wing unlocking device is unlocked by command, and the solar wing is unfolded, so that the solar wing absorbs light energy to provide energy for the space station.

[0031] In the present invention, the "upper part of the solar wing unlocking device" refers to the part of the solar wing unlocking device close to the astronaut, and the "lower part of the solar wing unlocking device" refers to the part of the solar wing unlocking device away from the astronaut.

[0032] In some embodiments, the spring assembly includes: a spring 4 and a shielding plate. The shielding plate includes: a cover plate and an annular baffle fixed to the edge of the cover plate, the cover plate is buckled and fixed to the upper end of the connecting rod 5, and the annular baffle is in contact with the inner wall of the sleeve 1 to shield or avoid the detection through hole 7. The spring 4 is arranged between the connecting rod 5 and the annular baffle. When the separation nut 6 is unlocked, the spring 4 pops up to provide ejection power for the release of the solar cell wing.

[0033] In some embodiments, there are four separation nuts 6, which are evenly arranged along the circumference of the connecting rod 5, so that when the separation nuts 6 are unlocked, the connecting rod 5 is evenly stressed and bounces up in the vertical direction, preventing the connecting rod 5 from rotating when bouncing up, and preventing the release of the solar cell wing from deviating from the predetermined route.

[0034] In some embodiments, in order to facilitate inspection personnel to perform fault detection on the solar cell wing unlocking device, a detection through hole 7 is opened on the upper part of the side wall of the sleeve 1. When the separation nut 6 is locked, the connecting rod 5 is fixed to the separation nut 6, and the spring assembly is in a compressed state to avoid the detection through hole 7; after the separation nut 6 is unlocked, the connecting rod 5 is separated from the separation nut 6, and the spring assembly pops up to block the detection through hole 7. Therefore, by checking whether the detection through hole 7 is blocked by any obstruction, it is possible to check whether the spring assembly pops up, and then determine whether the connecting rod 5 pops up.

[0035] like Figure 4-Figure 9 As shown, the present invention also provides a fault detection device for the above-mentioned solar cell wing unlocking device, so as to detect whether the fault of the unlocking device is caused by "the connecting rod not popping up".

[0036] The fault detection device of the present invention comprises: a detection component and a handheld component; wherein the detection component comprises: a detection plate 11, a detection rod 14, and a connecting plate 12 connecting the detection plate 11 and the detection rod 14; the detection plate 11 is arranged horizontally, the top surface of the detection plate 11 is fixed to the handheld component, and the bottom surface of the detection plate 11 is used to abut against the upper end surface of the sleeve 1; the detection rod 14 is arranged below the detection plate 11 and is used to be inserted into the detection through hole 7; the distance between the detection plate 11 and the detection rod 14 is equal to the distance between the upper end surface of the sleeve 1 and the detection through hole 7.

[0037] The method of using the fault detection device of the present invention is as follows:

[0038] The inspector uses the handheld component to make the inspection plate 11 press against the upper end surface of the sleeve 1, rotates the fault detection device, and checks whether the inspection rod 14 can be inserted into the inspection through hole 7. If the inspection rod 14 can be inserted, the inspection through hole 7 is not blocked by the spring component, the connecting rod 5 does not bounce up, and the fault is caused by "the connecting rod does not bounce up". If the inspection rod 14 cannot be inserted, the inspection through hole 7 is blocked by the spring component, the connecting rod 5 bounces up, and the fault is ruled out as caused by "the connecting rod does not bounce up".

[0039] In some embodiments, the handheld component includes: a handle 9 and an operating rod 10, wherein the handle 9 is held by the inspector when carrying or operating, and the operating rod 10 is cylindrical and connects the handle 9 and the inspection component for operation by the inspector.

[0040] To further improve the accuracy of fault detection, in some embodiments, the upper end surface of the sleeve 1 is provided with an identification ring 17, and the detection plate 11 is provided with an identification hole 15 matching the identification ring 17. When the detection rod 14 is fully inserted into the sleeve 1, the identification hole 15 is just located above the identification ring 17. The detection personnel can perform fault detection by whether they can see the identification ring 17. If the identification ring 17 can be seen, it means that the detection rod 14 can be fully inserted into the sleeve 1, the connecting rod 5 does not pop up, and the fault is caused by the "connecting rod does not pop up". If the identification ring 17 cannot be seen, it means that the detection rod 14 cannot be fully inserted into the sleeve 1, the connecting rod 5 pops up, and the "connecting rod does not pop up" fault is eliminated.

[0041] Preferably, the identification ring 17 is arranged at the center of the upper end surface of the sleeve 1, and a plurality of detection through holes 7 can be arranged on the upper part of the sleeve 1. In this way, the detection personnel do not need to rotate the fault detection device for one circle, but only need to rotate a certain distance to find the detection through hole 7 and insert the detection rod 14.

[0042] Preferably, the color of the identification ring 17 is different from the color of the sleeve 1 to facilitate identification by inspection personnel.

[0043] Preferably, the connecting plate 12 is arranged vertically to ensure that when the connecting plate 12 abuts against the sleeve 1 , the detection rod 14 is fully extended into the sleeve 1 , ensuring that the identification hole 15 can be located exactly above the identification ring 17 .

[0044] In some embodiments, a transition piece 13 is provided between the detection rod 14 and the connection plate 12 . The cross-sectional area of ​​the transition piece 13 is larger than the cross-sectional area of ​​the detection rod 14 , so that the connection area of ​​the connection plate 12 is increased to avoid stress concentration on the connection plate 12 .

[0045] In some embodiments, the operating rod 10 and the detection plate 11 are connected by welding, and a marking line 16 is provided on the top surface of the detection plate 11 to facilitate determining the connection position of the operating rod 10 during welding.

[0046] In some embodiments, the connection plate 12 and the detection plate 11 are connected by welding, and a marking line 16 is provided on the bottom surface of the detection plate 11 to facilitate determination of the welding position of the connection plate 12 during welding.

[0047] In some embodiments, the handle 9 and the operating rod 10 are connected by welding, and a scale mark 16 is provided on the bottom surface of the handle 9 to facilitate determination of the connection position of the operating rod 10 during welding.

[0048] In summary, the present invention provides a solar cell wing unlocking device, which can fix the solar cell wing to the aircraft during the launch phase of the aircraft to ensure that the solar cell wing is not damaged during the launch phase; after the aircraft enters orbit, the device unlocks and releases the solar cell wing to provide energy for the space station. In addition, the present invention also provides a fault detection device that matches the above-mentioned solar cell wing unlocking device. When the solar cell wing unlocking device fails, the two can be used together to determine whether the fault is caused by "the connecting rod not being ejected".

[0049] Although the content of the present invention has been described in detail through the above preferred embodiments, it should be appreciated that the above description should not be considered as a limitation of the present invention. After reading the above content, it will be apparent to those skilled in the art that various modifications and substitutions of the present invention will occur. Therefore, the protection scope of the present invention should be limited by the appended claims.

Claims

1. A solar cell wing unlocking device, characterized in that: include: The separation component comprises: a sleeve and a spring component; the sleeve is fixed to the solar cell wing, and the spring component is arranged inside the sleeve and slides along the inner wall of the sleeve; A base for fixing and connecting the aircraft cabin; a separation nut disposed in the base; A connecting rod, the upper portion of which extends into the separation assembly and is fixed to the spring assembly, and the lower portion of which is inserted into the base and connected to the separation nut; In the locked state, the separation nut is fixed to the connecting rod, so that the separation assembly is fixed to the base, and the spring assembly is in a compressed state; in the unlocked state, the separation nut is separated from the connecting rod, and the spring assembly is extended to separate the separation assembly from the base; The solar cell wing unlocking device performs fault detection through a fault detection device, and the fault detection device includes: a detection component and a handheld component; The detection assembly comprises: a detection plate, a detection rod, and a connecting plate connecting the detection plate and the detection rod; The detection plate is arranged horizontally, the top surface of the detection plate is fixed to the handheld component, and the bottom surface of the detection plate is used to abut against the upper end surface of the sleeve; the detection rod is arranged below the detection plate and is used to be inserted into the detection through hole; the distance between the detection plate and the detection rod is equal to the distance between the upper end surface of the sleeve and the detection through hole; In the locked state, the separation nut is fixed to the connecting rod, the spring assembly is in a compressed state to avoid the detection through hole, and the detection rod can be inserted into the detection through hole; in the unlocked state, the separation nut is separated from the connecting rod, the spring assembly is extended to block the detection through hole, and the detection rod cannot be inserted into the detection through hole.

2. The solar cell wing unlocking device according to claim 1, characterized in that: A detection through hole is opened on the upper part of the side wall of the sleeve, and the spring assembly slides inside the sleeve to cover or avoid the detection through hole.

3. The solar cell wing unlocking device according to claim 1, characterized in that: The upper end surface of the sleeve is marked with an identification ring, and the color of the identification ring is different from that of the sleeve; the detection plate is provided with an identification hole matching the identification ring.

4. The solar cell wing unlocking device according to claim 1, characterized in that: The handheld assembly includes a handle and an operating rod, and the operating rod fixes the handle and the detection plate.

5. The solar cell wing unlocking device according to claim 1, characterized in that: The detection rod and the connection plate are connected via a transition piece, and the outer diameter of the transition piece is larger than the outer diameter of the detection rod, so as to avoid stress concentration on the connection plate.

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