CN115817867A - Online maintenance operation box for space station payload - Google Patents
Online maintenance operation box for space station payload Download PDFInfo
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- CN115817867A CN115817867A CN202211721070.7A CN202211721070A CN115817867A CN 115817867 A CN115817867 A CN 115817867A CN 202211721070 A CN202211721070 A CN 202211721070A CN 115817867 A CN115817867 A CN 115817867A
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- panel
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Abstract
The invention relates to an online maintenance operation box for a space station payload, which comprises an integrally formed operation box truss and a panel hermetically covered on the operation box truss, wherein the operation box truss and the panel surround to form an operation box body of a closed structure; a partition board is arranged in the operation box body, a back board interlayer is formed between the partition board and the back panel of the operation box body, and an operation area is formed between the partition board and the front panel of the operation box body; the operating area is internally provided with load auxiliary operating equipment, and the panel is hermetically connected with a cabin penetrating connector which is electrically connected with a cable connected with the load auxiliary operating equipment; a three-waste treatment device and an environment monitoring device are arranged in the interlayer of the back plate, the main structure of the environment monitoring device is positioned in the interlayer of the back plate, and the monitoring end of the environment monitoring device penetrates through the partition plate in a sealing manner and is positioned in the operation area; the upper end of the partition board is provided with an air outlet, and the lower end of the partition board is provided with an air inlet; the upper end of the three-waste treatment device is communicated with the operation area through an air outlet, and the lower end of the three-waste treatment device is communicated with the operation area through an air inlet.
Description
Technical Field
The invention relates to the technical field of space station online cabinets, in particular to an online maintenance operation box for a space station payload.
Background
With the development of manned aerospace technology, the establishment of an environment with people living and working for a long time in outer space becomes the center of gravity of human aerospace industry. The logistics of international space stations are very expensive and difficult compared with the natural exploration activities of any former human, the logistics problems of building bases on the moon and mars in the future are more severe, and especially, the loss caused by ground support delay cannot be estimated in response to emergencies. Therefore, given the initiative of astronauts, the ability to enhance the autonomous maintenance and support of facilities is an important measure to address the logistical replenishment problem by providing a range of tools and technical support to the personnel.
An on-line maintenance and debugging operation cabinet (hereinafter referred to as an "on-line cabinet") is a scientific and technical experiment platform for planning an application system of a space station, and mainly provides a working place for on-orbit fault diagnosis, relay-level maintenance and manual or mechanical operation for a payload of the space station. The on-line cabinet can utilize the space environmental conditions in the cabin provided by the manned space station and the on-orbit operation, maintenance and replacement capabilities of the astronaut, and can carry out on-orbit maintenance, debugging, operation and experimental research based on the resource constraints of external machines, electricity, heat, information, measurement and control and the like.
The on-line maintenance operation support unit (operation box for short) is used as a main functional component of the on-line cabinet, provides a large-volume, multi-type interface and environment-controllable closed working space for an operated object, and provides necessary conditions for spacemen to safely, reliably and conveniently directly participate in on-orbit operation and scientific experiments. Therefore, various functional components need to be designed for the operation box to realize corresponding functions, and meanwhile, the cooperation and harmony coexistence of the components are also guaranteed. In order to ensure smooth and safe operation and experiment, the operation box is integrally designed into a multifunctional system with observable, measurable, replaceable and controllable operation and experiment processes. Such comprehensive and complex design requirements in many fields of mechanics, electricity, heat, liquid, gas, control and ergonomics are a challenge.
Disclosure of Invention
The invention provides an online maintenance operation box for a space station payload in order to meet the requirements of the space station.
The technical scheme for solving the technical problems is as follows: an online maintenance operation box for a space station payload comprises an integrally formed operation box truss and a panel hermetically covered on the operation box truss, wherein the operation box truss and the panel surround to form an operation box body of a closed structure; a partition plate is arranged in the operation box body, a back plate interlayer is formed between the partition plate and the back of the operation box body, and an operation area is formed between the partition plate and the front panel of the operation box body;
a load auxiliary operation device is arranged in the operation area, the panel is hermetically connected with a cabin penetrating connector which is electrically connected with a cable connected with the load auxiliary operation equipment;
the three-waste treatment device and the environment monitoring device are arranged in the back plate interlayer, the main structure of the environment monitoring device is positioned in the back plate interlayer, the monitoring end of the environment monitoring device penetrates through the partition plate through a cabin penetrating joint in a sealing manner and is positioned in the operation area, and a pipeline of the three-waste treatment device penetrates through a panel of the operation box body through a cabin penetrating joint in a sealing manner;
the upper end of the partition board is provided with an air outlet, the lower end of the partition board is provided with an air inlet, the upper end of the three-waste treatment device is communicated with the operation area through the air outlet, and the lower end of the three-waste treatment device is communicated with the operation area through the air inlet.
The invention has the beneficial effects that: the operation box body adopts a structural form of combining integral casting with the sealing panel, so that the integral forming difficulty of the box body is reduced, and the processing problem of the installation interfaces of all the component assemblies in the box body is solved through the sealing connection between the panel and the partition board and all the functional component assemblies. The interior of the operation box body is reasonably distributed and arranged in a partitioning manner, so that all components are not interfered with each other and are matched with each other, various interfaces are reserved for other units and effective loads, and the operable space of the loads is enlarged; and the three-waste treatment device is arranged in the interlayer of the back plate, so that the occupied space is greatly saved due to the structural coupling design, and the quick self-cleaning capability and the air-cooling heat dissipation function in the operation area can be realized.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the cabin penetrating connector is connected with the panel in a sealing mode through a sealing gasket and a sealing ring, one end face of the cabin penetrating connector is connected with the panel in a sealing mode through a double O ring, and the monitoring end of the environment monitoring device or a pipeline of the three-waste treatment device is connected with one end, located in the operation box body, of the cabin penetrating connector in a sealing mode through the double O ring.
The beneficial effect of adopting the further scheme is that: the box back carries out the adaptability design according to connector, liquid pipeline, the different sealed mounting methods of gas pipeline, when guaranteeing interior outer electricity, gas, liquid UNICOM, the box whole leakproofness satisfies the operation requirement.
Further, the panel comprises a front panel, side plates, a top plate, a back plate and a bottom plate; the front side of the operation box truss is provided with an inlet and an outlet, the upper end of the inlet and the outlet is hinged with a front panel, and the peripheral side of the front panel is detachably and hermetically connected with the inlet and the outlet; the bottom of the operation box truss is hermetically provided with a bottom plate, the top of the operation box truss is hermetically provided with a top plate, the side part of the operation box truss is hermetically provided with a side plate, and the back of the operation box truss is hermetically provided with a back plate;
the bottom plate is provided with screw blind holes at equal intervals, and the side plates and the partition plates are also provided with screw blind holes.
The beneficial effect of adopting the further scheme is that: through setting up the front panel that can open and shut, reduced the shaping degree of difficulty of box, the function extension has also been carried out for the operation installation of load to the setting of screw blind hole moreover.
Further, the partition plate comprises an upper partition plate and a middle partition plate, and the upper partition plate and the middle partition plate are arranged above the front side of the middle partition plate at intervals; the air outlet is formed at the interval between the upper partition plate and the middle partition plate; the middle partition plate and the panel at the bottom of the operation box body are arranged at intervals, and the air inlet is formed at the interval between the middle partition plate and the panel at the bottom of the operation box body.
The beneficial effect of adopting the further scheme is that: the arrangement of the upper partition plate and the middle partition plate provides coupling for the air inlet and outlet structure of the three-waste treatment device, and the upper partition plate and the middle partition plate can be matched with the air inlet and outlet structure of the three-waste treatment device to form a back plate interlayer separated from the operation area, so that the structural coupling is better, and fewer structural members are used.
Furthermore, the three-waste treatment device comprises a filtering device, a fan assembly, a gas-liquid heat exchanger and an air outlet assembly, wherein an inlet of the filtering device is arranged at an air inlet at the lower end of the partition plate, an outlet of the filtering device is communicated with an air inlet of the fan assembly through a first ventilation pipeline, an air outlet of the fan assembly is communicated with an air inlet end of the gas-liquid heat exchanger, an air outlet end of the gas-liquid heat exchanger is communicated with an inlet of the air outlet assembly through a second ventilation pipeline, and an outlet of the air outlet assembly is arranged at an air outlet at the upper end of the partition plate.
The beneficial effect of adopting the further scheme is that: the air cooling circulation system adopted by the three-waste treatment device can be used for treating waste gas, waste liquid and waste gas particles, has the characteristic of air cooling circulation, realizes the structural form of air cooling circulation and filtration integration in a limited space, and meets the operation requirements of astronauts and simultaneously realizes the three-waste treatment and air cooling heat dissipation requirements of the online cabinet operation box.
Furthermore, the filtering device comprises a filter cartridge support, a plurality of filtering components and an air inlet end enclosure, the plurality of filtering components are respectively assembled on the filter cartridge support, the air inlet end enclosure is installed on one side of the filter cartridge support and is surrounded with the filter cartridge support to form an air inlet channel, and outlets of the plurality of filtering components are communicated with the air inlet channel; the air inlet seal head is communicated with an air inlet of the fan assembly through a first ventilation pipeline.
The beneficial effect of adopting the further scheme is that: can follow inlet air channel with the filterable gas of filter assembly and get into the fan subassembly, the rethread air-out subassembly is seen off, and the air-out is more even stable.
Further, the filter assembly comprises a filter cartridge, a filter element, a filter screen, a top cover and a bottom cover, the filter cartridge is of a cylindrical structure with two open ends, the filter element is arranged in the filter cartridge in a matched mode, the filter screen is arranged on the inner side of one end of the cylindrical structure, the filter screen is in compression joint with the filter element, the top cover is fixed on the inner side of one end of the filter cartridge and is in compression joint with the filter screen, and the bottom cover is fixed on the inner side of the other end of the filter cartridge and is in compression joint with the filter element; a plurality of quick-change holes are formed in one side, away from the filter screen, of the top cover, and a first threaded section is arranged in the center of one side, away from the filter element, of the bottom cover;
the filter cartridge support is provided with a plurality of assembly channels, the bottom of each assembly channel is provided with an assembly threaded hole, the filter assembly is inserted into each assembly channel, and the filter assembly is connected into the assembly threaded hole at the bottom of the corresponding assembly channel through a first threaded section on the bottom cover in a threaded manner.
The beneficial effect of adopting the further scheme is that: the filter element and the filter screen are integrated in the filter cartridge with a cylindrical structure and are pressed and fixed through the top cover and the bottom cover, so that the whole structure is compact and reliable, and the integrated coupling design of a narrow space in an operation box of the online cabinet is facilitated; the first threaded section is arranged on the bottom cover, so that the plurality of filter assemblies can be conveniently arranged in series, and the filter assemblies can be conveniently assembled in the assembly channel of the filter cartridge support; through set up the quick change hole on filter component's top cap, also conveniently coordinate the quick change instrument to carry out the quick change operation.
Further, the air outlet assembly comprises an air outlet end socket and an air outlet filter screen, an outlet on one side of the air outlet end socket is of an open structure, and the air outlet filter screen covers the open structure of the air outlet end socket; and the air outlet end of the gas-liquid heat exchanger is communicated with the inlet of the air outlet end socket through a second ventilation pipeline.
Furthermore, a gas system and a waste gas discharging system are arranged in the back plate interlayer, the waste gas discharging system and the gas system are both arranged in the back plate interlayer of the operation box body, a waste gas output pipeline of the waste gas discharging system penetrates through the back plate in a sealing mode and is communicated with the external environment of the operation box, and a waste gas input pipeline of the waste gas discharging system is located in an operation area; a gas input pipeline of the gas system penetrates through the back plate in a sealing mode and is communicated with external gas supply equipment, and a gas output pipeline of the gas system is located in the operation area; a differential pressure sensor and a humidity sensor are also arranged on the inner side wall of the partition plate;
the waste gas discharging system is internally provided with a first electromagnetic valve for controlling the on-off of a waste gas input pipeline and a waste gas output pipeline, and the first electromagnetic valve is fixed on the partition plate or the back plate through a first valve bracket; a second electromagnetic valve for controlling the on-off of the gas input pipeline and the gas output pipeline is arranged in the gas system, and the second electromagnetic valve is fixed on the partition plate or the back plate through a second valve bracket; the free end of the waste gas input pipeline is provided with a first quick-break male head, and the free end of the gas output pipeline is provided with a second quick-break male head.
Furthermore, the first quick-break male connector and the second quick-break male connector are provided with short-circuit hard pipes capable of adjusting flow; the short-circuit hard pipe comprises a quick-break female head, a short-circuit pipe and a flow regulating assembly, wherein one end of the short-circuit pipe is hermetically inserted inside one end of the quick-break female head, the short-circuit pipe is of a hollow structure with two open ends and is communicated with the quick-break female head, and the flow regulating assembly is arranged inside the other open end of the short-circuit pipe;
the flow regulating assembly comprises a flow regulating pore plate and a pressure head, a first annular step is arranged on the inner side wall of the opening at the other end of the short connecting pipe, the flow regulating pore plate is in compression joint with the first annular step, and the pressure head is matched with the inner side wall of the opening at the other end of the short connecting pipe and in compression joint with the flow regulating pore plate; the middle part of the flow regulating pore plate is provided with a flow regulating hole which is axially communicated, the middle part of the pressure head is provided with a flow channel which is axially communicated, and the flow channel, the flow regulating hole and the hollow structure of the nipple are communicated with each other;
the flow regulating assembly further comprises a filter screen, a second annular step is further arranged on the inner side wall of the opening at the other end of the nipple, the outer diameter of the second annular step is larger than that of the first annular step, and the second annular step is arranged close to the opening at the other end of the nipple; the filter screen is in pressure joint with the second annular step, so that the flow regulating orifice plate is limited between the filter screen and the first annular step; the pressure head is in press connection with the filter screen, and the filter screen is in press connection with the flow regulating pore plate.
Furthermore, an inner thread is arranged on the inner side wall of an opening at the other end of the nipple, a first outer thread is arranged on the outer side wall of the pressure head, and the first outer thread is in threaded connection with the inner thread of the nipple in a matched manner; an operation through hole which is axially communicated is formed in the pressure head, and the operation through hole is of a polygonal structure; one end of the pressure head, which is close to the filter screen, is provided with an annular blank holder, and the annular blank holder is provided with a circular through hole; the circular through hole is communicated with the operation through hole; the week side of flow control orifice plate with the step lateral wall interval arrangement or the adaptation butt of first annular step, week side of filter screen with the step lateral wall interval arrangement or the adaptation butt of second annular step.
Furthermore, the short-circuit hard pipe also comprises an outer nut, an annular limiting rib is arranged on the outer side wall of the short-circuit pipe, and the annular limiting rib abuts against the end face of one end of the quick-break female head; a second external thread is arranged on the outer side wall of one end of the quick-breaking female head, and the outer sleeve nut is in threaded connection with the second external thread of the quick-breaking female head; one end of the outer sleeve nut is provided with an annular crimping step which is crimped on the annular limiting rib.
Further, the load auxiliary operation equipment comprises a lamp strip, replaceable camera supports, load connectors and six-axis manipulators, wherein the lamp strip is installed on two sides of the top of the operation area, the replaceable camera supports are respectively arranged at the diagonal positions of the top of the operation area, the six-axis manipulators are arranged at the top of the operation area, and the load connectors are hermetically connected to the back panel of the operation box body.
Further, the replaceable camera support comprises a camera support and a camera support, the camera support comprises a first camera support and a second camera support, the first camera support and the second camera support are mutually buckled to form a cylindrical structure with two open ends, an opening at one end of the cylindrical structure is used for clamping a camera assembly, and an opening at the other end of the cylindrical structure is provided with a support mounting surface; a box mounting surface and a camera bracket mounting surface which are arranged at an angle are formed on the outer side wall of the camera support, and the cylindrical structure is assembled on the camera bracket mounting surface through the support mounting surface;
a cable channel is arranged in the camera support, a first cable through hole is formed in the camera support mounting surface of the camera support, a cable mounting surface is further formed on the outer side wall of the camera support, a second cable through hole is formed in the cable mounting surface, and the first cable through hole and the second cable through hole are both communicated with the cable channel;
the camera support mounting surface is provided with three first mounting holes, two first mounting holes are positioned on the upper side of the camera support mounting surface, and one first mounting hole is positioned on the lower side of the camera support mounting surface; three second mounting holes are formed in the support mounting surface of the cylindrical structure, and the three second mounting holes and the three first mounting holes are arranged in a one-to-one correspondence mode and are connected and fixed through connecting pieces;
the installation surface of the box body is a plane or an L-shaped surface.
The beneficial effect of adopting the further scheme is that: by arranging the first camera support and the second camera support, the camera component can be wrapped between the two camera supports, so that the camera component is clamped in the camera supports, and the stability of the integral cantilever part of the camera component is improved; by arranging the camera support and arranging the case installation surface and the camera support installation surface which are arranged at an angle, the camera support can be structurally supported, the on-rail replacement requirement is considered, and the ergonomic requirement is met.
Drawings
FIG. 1 is a schematic perspective view of an on-line service operator box for space station payloads according to the present invention;
FIG. 2 is a side view of a first embodiment of an on-line maintenance enclosure for space station payloads according to the present invention;
FIG. 3 is a schematic diagram of a second side view of the on-line maintenance operator box of the present invention for use with space station payloads;
FIG. 4A is a first schematic view of the interior of the on-line maintenance operating box for space station payloads according to the present invention;
FIG. 4B is a schematic diagram of a second interior front view configuration of an online service cabinet for a space station payload according to the present invention;
FIG. 5A is a schematic view of the sealing structure of the bottom plate and the back plate of the operation box body according to the present invention;
FIG. 5B is a schematic view of a sealing structure at the front panel of the operation box body according to the present invention;
FIG. 5C is a schematic view of the sealing structure of the bulkhead fitting in the body of the console box of the present invention;
FIG. 5D is a schematic view of the sealing structure at the bulkhead connector in the cabinet body according to the present invention;
FIG. 6 is a schematic structural diagram of an air-cooled circulation system for three-waste treatment of an on-line cabinet operation box according to the present invention;
FIG. 6A is a first schematic perspective view of a filter assembly according to the present invention in a quick-change state;
FIG. 6B is a schematic perspective view of a filter assembly in a quick-change state according to the present invention;
FIG. 6C is a schematic view of a split structure of the filter assembly in a quick-change state according to the present invention;
FIG. 6D is a schematic three-dimensional view of the filter assembly in a quick-change state according to the present invention;
FIG. 6E is a schematic perspective view of two filter assemblies of the present invention connected in series;
FIG. 6F is a schematic view of a split configuration of the filter assembly of the present invention in cooperation with a closure;
FIG. 7A is a schematic view of a filter assembly and cartridge support of the present invention in a split configuration;
FIG. 7B is an enlarged view of portion A of FIG. 7A;
FIG. 8 is a schematic perspective view of a short-circuit hard pipe with adjustable flow rate for an operation box of an online cabinet according to the present invention;
FIG. 9 is a schematic diagram of a three-dimensional explosion structure of a short-circuit hard pipe with adjustable flow for an online cabinet operation box according to the present invention;
FIG. 10 is a schematic diagram of a flow-adjustable short-circuit hard pipe for an online cabinet operation box according to the present invention;
FIG. 11 isbase:Sub>A schematic cross-sectional view of A-A of FIG. 10;
FIG. 12 is an enlarged view of the portion A of FIG. 11;
FIG. 13 is a schematic perspective view of a nitrogen system of the present invention;
FIG. 14 is a schematic perspective view of an air system according to the present invention;
FIG. 15 is a schematic perspective view of an exhaust system according to the present invention;
FIG. 16 is a first schematic perspective view of an on-rail cantilever type interchangeable camera cradle for an on-line cabinet according to the present invention;
FIG. 17 is a first schematic diagram illustrating an exploded view of an on-track cantilever type interchangeable camera cradle for an on-line cabinet according to the present invention;
FIG. 18 is a second schematic perspective view of an on-rail cantilever type interchangeable camera cradle for an on-line cabinet according to the present invention;
FIG. 19 is a second exploded view of the on-rail cantilever type interchangeable camera cradle for the on-line cabinet according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
100. short-connecting the hard pipe; 101. quickly cutting off the female head; 102. a nipple; 103. a flow regulating orifice plate; 104. a pressure head; 105. a first annular step; 106. a flow regulating orifice; 107. a flow channel; 108. filtering with a screen; 109. a second annular step; 110. operating the through hole; 111. a circular through hole; 112. annular blank pressing; 113. an annular limiting rib; 114. a nut is sleeved; 115. an annular seal groove; 116. a second external thread; 117. an annular crimping step; 118. a hollow structure;
200. a camera mount; 201. a first camera support; 202. a second camera support; 203. mounting a support; 204. a box body mounting surface; 205. a camera mount mounting surface; 206. a first cable through hole; 207. a second cable through hole; 208. a first mounting hole; 209. a second mounting hole; 210. a spigot slot structure; 211. a camera mounting hole; 212. a step structure;
300. a fan assembly;
400. a waste gas discharge system; 401. a gas system; 402. a first solenoid valve; 403. a first valve carriage; 404. a second valve support; 405. a first quick disconnect male; 406. a second quick disconnect male; 407. a second solenoid valve; 408. connecting a plunger;
500. an operation box body; 502. an upper partition plate; 503. an operation box truss; 504. a front panel; 505. a side plate; 506. a top plate; 507. a back plate; 508. a base plate; 509. blind holes for screws; 510. a middle partition plate; 511. a double O ring; 512. a gasket; 513. a six-axis manipulator; 514. a light strip; 515. a replaceable camera mount; 516. a load connector assembly; 517. a coolant quick-break inlet; 518. a coolant quick-break outlet; 519. a cabin penetration connector; 520. a cabin penetrating joint; 521. a seal ring; 522. a screw; 523. an external pipe joint;
600. a gas-liquid heat exchanger; 601. a second vent line; 602. a liquid inlet tube; 603. a liquid outlet pipe;
700. an air outlet assembly; 701. an air outlet end enclosure; 702. an air outlet filter screen; 703. a first vent line; 800. an air inlet end enclosure;
900. a filter assembly; 901. a filter cartridge; 902. a filter element; 903. a filter screen; 904. a top cover; 905. a bottom cover; 906. a first thread segment; 907. quick-change holes; 908. a first annular fixed structure; 909. a first reinforcing spoke; 910. a second annular fixed structure; 911. a second reinforcing spoke; 912. expanding the threaded hole; 913. blocking the cover; 914. a cartridge filter support; 915. assembling a channel; 916. assembling a threaded hole; 917. quickly replacing the plate; 918. a positioning column; 919. the handle is quickly replaced; 920. a first screw; 921. a second screw; 922. a crimp post; 923. a humidity sensor; 924. a first temperature sensor.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 19, the online maintenance operation box for a space station payload of the present embodiment includes an integrally formed operation box truss 503 and a panel hermetically covered on the operation box truss 503, wherein the operation box truss 503 and the panel enclose an operation box body 500 forming a closed structure; a partition plate is arranged in the operation box body 500, a back plate interlayer is formed between the partition plate and the back panel of the operation box body 500, and an operation area is formed between the partition plate and the front panel 504 of the operation box body 500;
a load auxiliary operation device is arranged in the operation area, and a cabin penetrating connector 519 electrically connected with a cable connected with the load auxiliary operation device is connected to the panel in a sealing mode;
a three-waste treatment device and an environment monitoring device are arranged in the back plate interlayer, the main structure of the environment monitoring device is positioned in the back plate interlayer, the monitoring end of the environment monitoring device penetrates through the partition plate through a cabin penetrating joint 520 in a sealing manner and is positioned in the operation area, and a pipeline of the three-waste treatment device penetrates through a panel of the operation box body 500 through a cabin penetrating joint 520 in a sealing manner;
the upper end of the partition board is provided with an air outlet, the lower end of the partition board is provided with an air inlet, the upper end of the three-waste treatment device is communicated with the operation area through the air outlet, and the lower end of the three-waste treatment device is communicated with the operation area through the air inlet.
The operation box body of this embodiment adopts the structural style that whole casting combines sealed panel, has reduced the whole shaping degree of difficulty of box, through the sealing connection between panel and baffle and each functional unit spare, has solved the processing problem of each internal unit spare installation interface in the box. The interior of the operation box body is reasonably distributed and arranged in a partitioning manner, so that all components are not interfered with each other and are matched with each other, various interfaces are reserved for other units and effective loads, and the operable space of the loads is enlarged; and the three-waste treatment device is arranged in the interlayer of the back plate, so that the occupied space is greatly saved due to the structural coupling design, and the quick self-cleaning capability and the air-cooling heat dissipation function in the operation area can be realized.
As shown in fig. 5A to 5D, the cabin penetrating connector 519 of this embodiment is hermetically connected to the panel through a gasket 512 and a sealing ring 521, an end face of the cabin penetrating connector 520 is hermetically connected to the panel through a double O-ring 511, and an end face of a monitoring end of the environment monitoring apparatus is hermetically connected to the cabin penetrating connector 520 through the double O-ring 511. The box back carries out the adaptability design according to connector, liquid pipeline, the different sealed mounting methods of gas pipeline, when guaranteeing interior outer electricity, gas, liquid UNICOM, the box whole leakproofness satisfies the operation requirement. One end of the cabin penetrating joint 520, which is positioned outside the operation box body, can be hermetically connected with an external pipeline joint 523 through a double-O ring 511, and then is connected with an external hard metal pipe through the external pipeline joint 523. One end of the cabin penetrating joint 520 in the operation box body can be hermetically connected with an environment monitoring device or a gas system or an exhaust gas system in the operation box body through a double O-ring 511.
Wherein, the environment monitoring device includes humidity sensor 923, first temperature sensor 924 and differential pressure sensor etc..
As shown in fig. 1 to 4, the front panel of the present embodiment includes a front panel 504, side panels 505, a top panel 506, a back panel 507, and a bottom panel 508; an inlet and an outlet are formed in the front side of the operation box truss 503, a front panel 504 is hinged to the upper end of the inlet and the outlet, and the peripheral side of the front panel 504 is detachably connected with the inlet and the outlet in a sealing mode; a bottom plate 508 is hermetically installed at the bottom of the operation box truss 503, a top plate 506 is hermetically installed at the top of the operation box truss 503, side plates 505 are hermetically installed at the side parts of the operation box truss 503, and a back plate 507 is hermetically installed at the back of the operation box truss 503; the bottom plate 508 is provided with screw blind holes 509 at equal intervals, and the side plate 505 and the partition plate are also provided with screw blind holes 509. Through setting up the front panel that can open and shut, reduced the shaping degree of difficulty of box, the function extension has also been carried out for the operation installation of load to the setting of screw blind hole moreover. According to the demand of the on-rail effective load, the fixed load is required in the operation box body, and the design of expanding and assembling can be carried out at the later stage, because the space in the operation box body is limited, M5 standard screw holes with the spacing of 25 multiplied by 25mm are arranged on the bottom plate, M5 standard screw holes with the spacing of 100 multiplied by 100mm are additionally arranged at the empty positions of the side plates and the partition plates, and the operation such as operation, temporary fixing, expanding and assembling can be conveniently carried out on the rail.
Further, the operation box truss 503 may be a cast aluminum frame, and the panel may be an aluminum alloy panel. The front panel can be made of transparent materials matched with the aluminum alloy frame due to the functional particularity of the front panel, and the transparent materials can be used for conveniently observing the operation condition in the operation box. The panel can be designed for weight reduction and local reinforcement according to mechanical analysis. In order to better improve the contact strength and the contact tightness of the operation box and the front panel and electromagnetic compatibility, the box body is imported and exported, an embedded design is made according to the size and the appearance of the front panel, corresponding screw hole sites are designed on the contact surface, when the front panel is locked, the whole front panel can be wrapped by the box body import and export, the comfort of the front panel opened and closed by astronauts on rails is also improved, meanwhile, the top angles and the edges of the box body import and export are subjected to large chamfering treatment, and the effective load of the astronauts or passing in and out is avoided being scratched. The front panel can be opened upwards and can also be fixed at the entrance and the exit of the operation box body through screw sealing. The front panel 504 is provided with an operation hole. The front panel provides a visible observation window for the large operation space of the on-orbit; the operation hole is provided for the large sealed operation space on the front panel, the pressure bearing capacity and the sealing capacity of the opening-closing type operation box body are improved, the operability of the opening-closing type front panel of the operation box body is improved, and the reliability of the front panel of the multifunctional operation box body is improved. The problems of visual observation and visual operation of the large-scale on-orbit operation box body are solved; the requirement that the large-scale payload on the rail enters and exits the box body is met; the requirement of on-track part payload sealing operation is met; the payload type that the on-line cabinet can adapt to has been expanded.
Specifically, as shown in fig. 5A, the bottom plate 508, the side plate 505, the back plate 507, and the top plate 506 are hermetically connected to the operation box girder 503 by a seal 521, and are fixedly connected to the operation box girder 503 by a screw 522. As shown in fig. 5B, a seal ring 521 is provided on the periphery of the front panel 504, and the front panel 504 can be connected to the peripheral side wall of the inlet/outlet of the console box truss 503 by the seal ring 521. And is connected and fixed to the inlet and outlet peripheral side walls of the operation box truss 503 by screws 522.
As shown in fig. 1, 2 and 4, the partition board of the present embodiment includes an upper partition board 502 and a middle partition board 510, and the upper partition board 502 is above the front side of the middle partition board 510 and is spaced from the middle partition board 510; the space between the upper baffle plate 502 and the middle baffle plate 510 forms the air outlet; the middle partition 510 and the panel at the bottom of the operation box body 500 are arranged at intervals, and the air inlet is formed at the interval between the middle partition 510 and the panel at the bottom of the operation box body 500. The arrangement of the upper partition plate and the middle partition plate provides coupling for the air inlet and outlet structure of the three-waste treatment device, and the air inlet and outlet structure of the three-waste treatment device can be matched with the air inlet and outlet structure of the three-waste treatment device to form a back plate interlayer separated from the operation area, so that the structural coupling is better, and fewer structural members are used.
As shown in fig. 6 to 7B, a preferred embodiment of the three-waste treatment device in this embodiment includes a filter device, a fan assembly 300, a gas-liquid heat exchanger 600 and an air outlet assembly 700, an inlet of the filter device is disposed at an air inlet at a lower end of the partition, an outlet of the filter device is communicated with an air inlet of the fan assembly 300 through a first ventilation pipeline 703, an air outlet of the fan assembly 300 is communicated with an air inlet end of the gas-liquid heat exchanger 600, an air outlet end of the gas-liquid heat exchanger 600 is communicated with an inlet of the air outlet assembly 700 through a second ventilation pipeline 601, and an outlet of the air outlet assembly 700 is disposed at an air outlet at an upper end of the partition. A liquid inlet pipe 602 is connected to a liquid inlet of the liquid circuit of the gas-liquid heat exchanger 600, and a liquid outlet pipe 603 is connected to a liquid outlet of the liquid circuit of the gas-liquid heat exchanger 600.
As shown in fig. 6, the filter apparatus of this embodiment includes a filter cartridge support 914, a plurality of filter assemblies 900 and an air inlet end enclosure 800, wherein the plurality of filter assemblies 900 are respectively assembled on the filter cartridge support 914, the air inlet end enclosure 800 is installed at one side of the filter cartridge support 914 and surrounds the filter cartridge support 914 to form an air inlet channel, and outlets of the plurality of filter assemblies 900 are communicated with the air inlet channel; the air inlet end enclosure 800 is communicated with an air inlet of the fan assembly 300 through a first ventilation pipeline 703. Can follow inlet air channel with the filterable gas of filter assembly and get into the fan subassembly, the rethread air-out subassembly is seen off, and the air-out is more even stable.
Specifically, as shown in fig. 6A to 6F, a preferable scheme of the filter assembly 900 of this embodiment is that the filter assembly 900 includes a filter cartridge 901, a filter element 902, a filter screen 903, a top cover 904 and a bottom cover 905, where the filter cartridge 901 is a cylindrical structure with two open ends, the filter element 902 is adapted to be disposed in the filter cartridge 901, the filter screen 903 is disposed inside one end of the cylindrical structure, the filter screen 903 is crimped on the filter element 902, the top cover 904 is fixed inside one end of the filter cartridge 901 and crimped on the filter screen 903, and the bottom cover 905 is fixed inside the other end of the filter cartridge 901 and crimped on the filter element 902; a plurality of quick-change holes 907 are formed in one side, away from the filter screen 903, of the top cover 904, and a first threaded section 906 is formed in the center of one side, away from the filter element 902, of the bottom cover 905.
As shown in fig. 6C, in order to reserve a larger filtering area between the top cover 904 and the filter screen 903 and to further stabilize the pressure connection, a plurality of pressure connection columns 922 may be provided on one side surface of the top cover 904 close to the filter screen, and the filter screen 903 may be pressed against the filter element 902 by the pressure connection columns 922. The plurality of crimping posts 922 can be uniformly arranged along the circumference of the top cover 904, and one crimping post 922 can be arranged at the center of the top cover 904.
As shown in fig. 6A and 6C, in a preferred embodiment of the present invention, there are three quick-change holes 907, and the three quick-change holes 907 are arranged at equal intervals near the peripheral side edge of the top cover 904. Due to the arrangement of the three quick-change holes, the connection between the quick-change tool and the filter assembly and the quick-change process are more stable and reliable.
As shown in fig. 6A to 6C, the top cover 904 of the present embodiment includes a first annular fixing structure 908 and a plurality of first reinforcing spokes 909, and the first annular fixing structure 908 is fixed on a side wall of one end of the filter cartridge 901 by first screws 920; a plurality of first reinforcing spokes 909 are fixed on the inner annular sidewall of the first annular fixing structure 908 in a radial shape around the center of the first annular fixing structure 908. The arrangement of the first reinforcing ribs ensures that the top cover has as much filtering area as possible. And with first ring shape fixed knot construct through first fix with screw on the inside wall of cartridge filter, conveniently insert the filter component in the assembly passageway on the cartridge filter support.
As shown in fig. 6C, the quick-change holes 907 of the present embodiment are provided in the first reinforcing spokes 909. Each of the first reinforcing spokes 909 is provided with a quick-release hole 907.
Further preferably, as shown in fig. 6C, the number of the first reinforcing spokes 909 in this embodiment is three, and a quick-release hole 907 is provided at a position close to an edge of each first reinforcing spoke 909.
As shown in fig. 6B, the bottom cover 905 of this embodiment includes a second annular fixing structure 910 and a plurality of second reinforcing spokes 911, where the second annular fixing structure 910 is fixed on the other end side wall of the filter cartridge 901 by second screws 921; a plurality of second reinforcing spokes 911 are radially fixed to the inner circumferential sidewall of the second annular fixing structure 910 at the center of the second annular fixing structure 910. Similarly, the second reinforcing ribs are arranged to provide as much filter area as possible at the bottom cover. And pass through the second fix with screw on the inside wall of cartridge filter with the ring shape fixed knot of second constructs, conveniently insert the filter component in the assembly passageway on the cartridge filter support.
As shown in fig. 6D to 7B, the replaceable filtering device for the space-standing on-line cabinet of the present embodiment can be assembled in different ways according to different requirements.
In a first assembly manner, as shown in fig. 6C and 6E, the top cover 904 of the filter assembly 900 of this embodiment is provided with a plurality of extension threaded holes 912 at a central position, the filter assemblies 900 are coaxially connected in series, and the top cover 904 of one filter assembly 900 is in threaded connection with the first threaded section 906 on the bottom cover 905 of the adjacent filter assembly 900 through the extension threaded holes 912. The coaxial series connection among a plurality of filter assemblies is facilitated, and the filtering precision and the efficiency can be improved.
In a second assembly manner, as shown in fig. 6C and 6F, the replaceable filtering device for a space station on-line cabinet of this embodiment further includes a blocking cover 913, a through hole is formed in a center of the blocking cover 913, and a second threaded section is further formed in a center of a side wall of the blocking cover 913; an expanded threaded hole 912 is formed in the center of the top cover 904 of the filter assembly 900, and the blocking cover 913 is screwed into the expanded threaded hole 912 formed in the top cover 904 of the filter assembly 900 through a second threaded section and covers an opening at one end of the filter cartridge 901. To different filtration demands, can also plug the top cap to gas that will need to filter directly lets in filter assembly through the through-hole at blanking cover center and filters, need not to spread the box of operating box with the gas that needs to filter, in order to avoid causing the pollution to other equipment etc..
In a third assembly manner, as shown in fig. 6B, 7A, and 7B, the number of the filter assemblies 900 in this embodiment is multiple, the filter cartridge support 914 has multiple assembly channels, the bottom of each assembly channel is provided with an assembly threaded hole 916, the filter assembly 900 is inserted into each assembly channel, and the filter assembly 900 is screwed into the assembly threaded hole 916 at the bottom of the corresponding assembly channel through the first threaded section 906 on the bottom cover 905. The setting of cartridge filter support can provide effectual structural support for a plurality of filtering component, makes things convenient for a plurality of filtering component's installation fixed.
In the third assembly mode, a channel filter screen 903 is arranged at the bottom of each assembly channel 915 of the filter cartridge support 914, and an assembly threaded hole 916 is formed in the center of the channel filter screen 903, so that the first threaded section 906 on the bottom cover 905 of the filter assembly 900 can be in threaded connection with the assembly threaded hole 916.
According to the replaceable filtering device for the space station online cabinet, the filter element and the filter screen are integrated in the filter cartridge with the cylindrical structure and are compressed and fixed through the top cover and the bottom cover, so that the whole structure is compact and reliable, and the integrated coupling design of a narrow space in an operation box of the online cabinet is facilitated; the first threaded section is arranged on the bottom cover, so that the plurality of filter assemblies can be conveniently arranged in series, and the filter assemblies can be conveniently assembled in the assembly channel of the filter cartridge support; through set up the quick change hole on filter assembly's top cap, also conveniently cooperate the quick change instrument to carry out the quick change operation.
The embodiment also provides a quick-change method of the replaceable filter device for the space standing on-line cabinet, which is realized by adopting the replaceable filter device for the space standing on-line cabinet and comprises the following steps: a quick-change plate 917 with the same shape as the top cover 904 of the filter assembly 900 is provided, and a plurality of positioning pillars 918 are provided on one side surface of the quick-change plate 917, so that the plurality of positioning pillars 918 and the plurality of quick-change holes 907 are arranged in a one-to-one correspondence manner; a quick-change handle 919 is arranged at the center of the other side surface of the quick-change plate 917; when the filter assembly 900 in the assembly channel of the filter cartridge support 914 is taken out, the positioning columns 918 on one side surface of the quick-change plate 917 are correspondingly inserted into the quick-change holes 907 on the top cover 904 of the filter assembly 900 one by one, the quick-change handle 919 is held to rotate, the first threaded section 906 on the bottom cover 905 of the filter assembly 900 is screwed out of the assembly threaded hole 916 at the bottom of the assembly channel, and the filter assembly 900 is taken out; when a new filter assembly 900 is replaced into the assembly channel of the filter cartridge support 914, the new filter assembly 900 is inserted into the corresponding assembly channel, the positioning posts 918 on one side surface of the quick-change plate 917 are correspondingly inserted into the quick-change holes 907 in the top cover 904 of the new filter assembly 900 one by one, the quick-change handle 919 is held to rotate, and the first threaded section 906 on the bottom cover 905 of the new filter assembly 900 is screwed into the assembly threaded hole 916 at the bottom of the corresponding assembly channel. The quick-change method of the embodiment facilitates quick removal of the filter assembly from the filter cartridge support and quick installation of a new filter assembly into the assembly channel of the filter cartridge support.
Specifically, the quick-change plate 917 of the present embodiment may have a plurality of structures, for example, the quick-change plate 917 having the same shape and structure as the top cover 904 in fig. 6A to 6C may be adopted, and then the quick-change handle 919 having a T-shaped structure is adopted, so that the quick-change handle 919 is fixed at the center of the quick-change plate 917. The circular quick-change plate 917 shown in fig. 4 may also be adopted, then two ear plates are arranged in the diameter direction of the periphery of the circular quick-change plate 917, then the quick-change handle 919 adopts a U-shaped handle, and two ends of the U-shaped handle are respectively fixed on the two ear plates.
As shown in fig. 6, the air outlet assembly 700 of the present embodiment includes an air outlet head 701 and an air outlet filter net 702, an outlet on one side of the air outlet head 701 is an open structure, and the air outlet filter net 702 covers the open structure of the air outlet head 701; the air outlet end of the gas-liquid heat exchanger 600 is communicated with the inlet of the air outlet end socket 701 through a second vent pipeline 601.
Further, as shown in fig. 6, the filtering device and the air outlet assembly 700 are both in a strip-shaped structure, the inlet of the filtering device and the outlet of the air outlet assembly 700 both face to the same side, and the fan assembly 300 and the gas-liquid heat exchanger 600 are disposed between the filtering device and the air outlet assembly 700. Be convenient for arrange at the narrow and small space in control box back, still reserve between filter equipment and the air-out subassembly and have other interface positions, more make things convenient for astronaut's operation. Specifically, this embodiment the exit of filter equipment is equipped with first temperature sensor 923, be equipped with second temperature sensor in the air-out subassembly.
The fan subassembly of this embodiment adopts the removable fan subassembly of anti environmental mechanics, also can adopt conventional fan subassembly, can realize the lower part air inlet, the top air-out can.
The three wastes processing apparatus of this embodiment both can provide the processing to waste gas, waste liquid and waste gas particulate matter, still has the characteristics of forced air cooling circulation concurrently, realizes forced air cooling circulation and filtration integrated structural style in the narrow and small intermediate layer space in control box back, when satisfying the astronaut operating requirement, realizes online cabinet control box three wastes processing and the radiating demand of forced air cooling.
As shown in fig. 1 to 4 and fig. 8 to 15, a gas system 401 and an exhaust gas system 400 are further disposed in the back plate interlayer of the operation box of the present embodiment, the exhaust gas system 400 and the gas system 401 are both installed in the back plate interlayer of the operation box body 500, an exhaust gas output pipeline of the exhaust gas system 400 hermetically penetrates through the back plate of the operation box body 500 through a cabin penetrating joint 520 and is communicated with the external environment of the operation box body 500, and an exhaust gas input pipeline of the exhaust gas system 400 is located in an operation area of the operation box body 500; a gas input pipeline of the gas system 401 hermetically penetrates through the back plate of the operation box body 500 through a cabin penetrating joint 520 and is communicated with external gas supply equipment, and a gas output pipeline of the gas system 401 is positioned in the operation box body 500; the inner side wall of the operation box body 500 is further provided with a differential pressure sensor and a humidity sensor 924. The waste gas output pipeline and the gas input pipeline can be connected with a metal hard pipe outside the operation box body through a connecting plunger 408, and a sealing end plate hermetically connected with the back plate is arranged on the connecting plunger 408.
As shown in fig. 13 to fig. 15, the exhaust gas discharging system 400 of the present embodiment is provided with a first electromagnetic valve 407 for controlling on/off of an exhaust gas input pipeline and an exhaust gas output pipeline, and the first electromagnetic valve 407 is fixed on the partition or the back plate by a first valve bracket 404; a second electromagnetic valve 402 for controlling the on-off of the gas input pipeline and the gas output pipeline is arranged in the gas system 401, and the second electromagnetic valve 402 is fixed on the partition plate or the back plate through a second valve bracket 403; the free end of the waste gas input pipeline is provided with a second quick-break male head 406, and the free end of the gas output pipeline is provided with a first quick-break male head 405. Specifically, the gas system includes a nitrogen system and an air system, fig. 13 shows a schematic configuration of the nitrogen system, fig. 14 shows a schematic configuration of the air system, and fig. 15 shows a schematic configuration of the exhaust gas system 400.
As shown in fig. 8 to 12, in this embodiment, the first quick-break male plug and the second quick-break male plug are both connected with a short-circuit hard tube, the exhaust system and the gas system are both disposed in the back plate interlayer of the operation box body, and the short-circuit hard tube is disposed on a side wall of the back plate interlayer, where the partition plate of the back plate interlayer is located in the operation area. The short circuit hard tube adopts the short circuit hard tube 100 of adjustable flow, and the specific structure of short circuit hard tube is as follows:
as shown in fig. 8 to 10, the short hard tube of the present embodiment includes a quick-break female head 101, a short tube 102 and a flow rate adjusting assembly, wherein one end of the short tube 102 is hermetically inserted into an inner side of one end of the quick-break female head 101, the short tube 102 is a hollow structure with two open ends and is communicated with the quick-break female head 101, and the flow rate adjusting assembly is disposed inside an open end of the short tube 102.
As shown in fig. 9, 11 and 12, in a specific aspect of this embodiment, the flow rate adjusting assembly includes a flow rate adjusting orifice plate 103 and a pressure head 104, a first annular step 105 is disposed on an inner side wall of an opening at the other end of the nipple, the flow rate adjusting orifice plate 103 is in press-contact with the first annular step 105, and the pressure head 104 is adapted to the inner side wall of the opening at the other end of the nipple 102 and is in press-contact with the flow rate adjusting orifice plate 103; the flow regulating hole plate 103 is provided with a flow regulating hole 106 which axially penetrates through the middle part, the pressure head 104 is provided with a flow passage 107 which axially penetrates through the middle part, and the flow passage 107, the flow regulating hole 106 and the hollow structure 118 of the nipple 102 are communicated with each other. The flow regulating pore plate can be pressed on the first annular step through the pressure head, and the flow regulating pore plate is installed and positioned.
Specifically, the flow rate adjustment hole 106 of the present embodiment may be a circular through hole.
As shown in fig. 9, fig. 11 and fig. 12, a specific solution of this embodiment is that the flow rate adjusting assembly further includes a filter screen 108, a second annular step 109 is further disposed on an inner side wall of the opening at the other end of the nipple 102, an outer diameter of the second annular step 109 is larger than an outer diameter of the first annular step 105, and the second annular step 109 is disposed adjacent to the opening at the other end of the nipple 102; the screen 108 is crimped onto the second annular step 109 so that the flow regulating orifice 103 is trapped between the screen 108 and the first annular step 105; the ram 104 is crimped onto the screen 108, and the screen 108 is crimped onto the flow regulating orifice 103. The setting of filter screen can filter the impurity in the gas circuit, because the filter screen is very thin, can set up the filter screen on second annular step, and rethread pressure head compresses tightly the filter screen, makes the filter screen press from both sides and establishes between pressure head and flow control orifice plate, avoids the filter screen to take place to warp.
Specifically, as shown in fig. 12, the thickness of the flow regulating orifice plate 103 of the present embodiment is greater than or equal to the height of the step side wall of the first annular step 105, that is, after the flow regulating orifice plate 103 is placed on the first annular step 105, the upper end of the flow regulating orifice plate 103 is flush with the step surface of the second annular step 109 or slightly higher than the step surface of the second annular step 109.
As shown in fig. 12, in the present embodiment, an inner thread is disposed on an inner side wall of an opening at the other end of the nipple 102, and an outer side wall of the ram 104 is provided with a first outer thread, and the first outer thread is in threaded connection with the inner thread of the nipple 102.
As shown in fig. 9 and 12, the ram 104 of the present embodiment has an operation through hole 110 penetrating axially therein, and the operation through hole 110 has a polygonal structure; one end of the pressure head 104 close to the filter screen 108 is provided with an annular blank holder 112, and the annular blank holder 112 is provided with a circular through hole 111; the circular through hole 111 communicates with the operation through hole 110. The through hole can be matched with the wrench to screw the pressure head into the nipple, and the filter screen is pressed and connected by utilizing the annular blank holder at one end of the pressure head, so that the filtering performance of the filter screen is not influenced.
Specifically, the polygonal structure of the operation through hole 110 may adopt a hexagonal structure, which facilitates the application of torque by a standard socket head wrench. The inner diameter of the circular through hole 111 is smaller than the maximum aperture of the operation through hole 110. The ram 104 of this embodiment may be hidden inside the other end opening of the nipple 102 and not exposed from the other end opening of the nipple 102. The annular pressing edge 112 protrudes from the end face of the pressure head 104 and is used for pressing and connecting the filter screen.
As shown in fig. 12, the peripheral side of the flow regulating orifice 103 of the present embodiment is spaced from or adapted to abut against the step side wall of the first annular step 105, and the peripheral side of the strainer 108 is spaced from or adapted to abut against the step side wall of the second annular step 109.
As shown in fig. 11, an annular limiting rib 113 is disposed on an outer side wall of the nipple 102 in this embodiment, and the annular limiting rib 113 abuts against an end surface of the quick-break female head 101. The annular limiting rib can limit the short connecting pipe on the end face of the quick-break female head.
As shown in fig. 8 to 11, the short hard pipe 100 of this embodiment further includes an outer nut 114, a second outer thread 116 is disposed on an outer side wall of one end of the quick-break female head 101, and the outer nut 114 is screwed on the second outer thread 116 of the quick-break female head 101; one end of the outer sleeve nut 114 is provided with an annular crimping step 117, and the annular crimping step 117 is crimped on the annular limiting rib 113. The outer sleeve nut can compress the annular limiting rib of the short joint on the end face of one end of the quick-break female head.
As shown in fig. 9 and 11, a plurality of annular seal grooves 115 are formed in an outer side wall of one end of the nipple 102 in this embodiment, a seal ring is arranged in each annular seal groove 115, and the nipple 102 is hermetically connected to an inner side wall of one end of the quick-break female head 101 through the seal ring.
The short circuit hard tube of this embodiment through connect nipple and flow control subassembly on the female head of quick-break, can guarantee the gas circuit intercommunication when the solenoid valve is opened among the gas system, can guarantee again when the solenoid valve accident is opened, will communicate the ability of gas circuit disconnection fast, can also adjust the flow of route simultaneously, guarantees that whole process is controllable according to the design.
As shown in fig. 1, 2 and 4, the load assist operating device of this embodiment includes a light strip 514, a replaceable camera holder 515, and a six-axis manipulator 513, where the light strip 514 is installed on both sides of the top of the operating area, the replaceable camera holder 515 is respectively installed at the diagonal positions of the top of the operating area, and the six-axis manipulator 513 is installed at the top of the operating area. And a load connector is hermetically connected to the back panel of the operation box body. Be equipped with coolant liquid fast break inlet 517 and coolant liquid fast break outlet 518 on the median septum 510, coolant liquid fast break inlet 517 and coolant liquid fast break outlet 518 are connected with the liquid outlet pipe of gas-liquid heat exchanger 600 respectively, coolant liquid fast break inlet 517 and coolant liquid fast break outlet 518 can insert the nipple and communicate, do not influence the normal cycle of coolant liquid in the gas-liquid heat exchanger 600, also can insert the cold plate between coolant liquid fast break inlet 517 and the coolant liquid fast break outlet 518 for increase the cooling surface in the operation area, can place the cold plate on the bottom plate in the operation area, put load and operate on the cold plate. The middle partition 510 is further provided with a connector assembly 516 for loads, which is used for connecting functions such as power supply and communication for loads.
As shown in fig. 16 to 19, the replaceable camera mount of this embodiment includes a camera mount 200 and a camera mount, the camera mount includes a first camera mount 201 and a second camera mount 202, the first camera mount 201 and the second camera mount 202 are mutually fastened to form a cylindrical structure with two open ends, an opening at one end of the cylindrical structure is used for clamping a camera component, and an opening at the other end of the cylindrical structure is provided with a mount mounting surface 203; the outer side wall of the camera support 200 is provided with a box mounting surface 204 and a camera support mounting surface 205 which are arranged at an angle, and the cylindrical structure is assembled on the camera support mounting surface 205 through a support mounting surface 203.
As shown in fig. 17 and fig. 19, a plurality of step structures 212 are further disposed on the inner side walls of the first camera support 201 and the second camera support 202 of the present embodiment, and are used for adapting to the step structures on the outer side walls of the camera assembly, so that the camera assembly can be tightly clamped between the first camera support 201 and the second camera support 202. According to the replaceable camera support, the first camera support and the second camera support are arranged, so that the camera component can be wrapped between the two camera supports, the camera component is clamped in the camera supports, and the stability of the integral cantilever part of the camera component is improved; by arranging the camera support and arranging the box body installation surface and the camera bracket installation surface which are arranged at an angle, the camera bracket can be structurally supported, the on-track replacement requirement is also considered, and the ergonomic requirement is met.
As shown in fig. 16 and 18, a cable channel is provided in the camera support 200 of this embodiment, a first cable through hole 206 is provided at a camera support mounting surface 205 of the camera support 200, a cable mounting surface is further formed on an outer side wall of the camera support 200, a second cable through hole 207 is provided at the cable mounting surface, and the first cable through hole 206 and the second cable through hole 207 are both communicated with the cable channel.
As shown in fig. 16 to 19, the camera stand 200 of the present embodiment has a closed sidewall except for the first cable through hole 206 and the second cable through hole 207, so that the overall electromagnetic compatibility can be improved.
As shown in fig. 16 to 19, the cable mounting surface of the present embodiment is arranged perpendicular to the case mounting surface 204, an included angle between the camera mount mounting surface 205 and the cable mounting surface is an acute angle, and a clamping between the camera mount mounting surface 205 and the case mounting surface 204 is an acute angle.
As shown in fig. 16 to 19, three first mounting holes 208 are provided on the camera mount mounting surface 205 of the present embodiment, two first mounting holes 208 are located on the upper side of the camera mount mounting surface 205, and one first mounting hole 208 is located on the lower side of the camera mount mounting surface 205; three second mounting holes 209 are formed in the support mounting surface 203 of the cylindrical structure, and the three second mounting holes 209 and the three first mounting holes 208 are arranged in a one-to-one correspondence manner and are connected and fixed through connecting pieces. By arranging the three first mounting holes and the three second mounting holes, the imaging effect is prevented from being influenced by the inversion of the camera assembly when the rail is replaced; under the limited condition of camera subassembly bottom appearance hand space and field of vision, set up a first mounting hole at camera support installation face downside, make things convenient for the dismouting.
As shown in fig. 17 and 19, the first camera support 201 of the present embodiment is a C-shaped cylinder structure, the second camera support 202 is a plate-shaped structure, and the opening side of the C-shaped cylinder structure of the first camera support 201 is detachably connected to the peripheral side edge of the second camera support 202 through a connecting member; three of the second mounting holes 209 are provided on the mount mounting surface 203 of the first camera mount 201. Can all install camera subassembly and fix on first camera support, operations such as change easy to assemble.
As shown in fig. 16 to 19, one end of the tubular structure of the present embodiment is opened to form a circular hole structure adapted to the camera module, and the other end of the tubular structure is opened to form a square hole structure adapted to the camera mount mounting surface 205 of the camera mount 200.
As shown in fig. 16 to 19, the box installation surface 204 of the present embodiment is a plane or L-shaped surface; the thicknesses of the camera support and the camera support 200 are respectively 4-7 mm. Different box body installation surfaces can be adopted according to the requirement of the view field in the operation box.
As shown in fig. 17 and fig. 19, the first camera support 201 and the second camera support 202 of the present embodiment are connected by a slot 210; the support mounting surface 203 of the camera support is buckled and connected with the camera support mounting surface 205 on the camera support 200 by adopting a rabbet groove structure 210; the first camera support 201 or the second camera support 202 is further provided with a camera assembly hole 211 for connecting a camera assembly. And a rabbet groove structure is adopted, so that the overall electromagnetic compatibility is further improved.
As shown in fig. 16 to 19, the first camera support 201 and the second camera support 202 can be fastened and fixed by using the release screws, and the number of the release screws can be adjusted as required, so as to facilitate on-rail dismounting. The camera mount 200 and the camera bracket may be fixed by using loose screws. The case mounting surface 204 of the camera mount 200 may be used to be connected and fixed to the inner side wall of the case of the operation case, and the camera mount is responsible for adjusting the angle of the field of view required by the camera module and ensuring the strength of the connection with the case. The camera mount 200 is secured to the housing of the control box, and is also secured to have sufficient rigidity to withstand the transmission overload of the cantilever-mounted camera, while taking into account the overall electromagnetic compatibility of the camera assembly and also to allow the angle at which the camera is deployed to meet the field of view requirements. The local structure of the camera support 200 can be thickened to a thickness of more than 6mm to ensure that the cantilever design can withstand the launch overload. The integral volume of the camera support is reduced as much as possible, except for a cable channel, the rest surfaces are in a closed design, and a rabbet groove design is adopted for a mounting surface matched with the camera support, so that the integral electromagnetic compatibility is improved; after the whole support is subjected to mechanical analysis, the thickness of the support is properly increased, and the mechanical strength of the support is improved.
The mechanical tests of the on-line cabinet on-rail cantilever type replaceable camera bracket of the embodiment include acceleration test, vibration test and impact test, wherein the acceleration test conditions, the sine and random vibration test conditions and the impact test conditions are shown in the following table. The impact test condition of the camera component is consistent with the component-level test magnitude of the on-line maintenance operation support unit with reference to the component-level test magnitude of the on-line maintenance operation support unit. In this embodiment, according to the provisions of the online cabinet camera component mechanical test outline, a mechanical environment test is performed on an online cabinet camera component to examine the adaptability of an online cabinet shelf product to a mechanical environment, and the references include the documents in the online maintenance and adjustment operating cabinet shelf component evaluation test outline of the space application system experimental cabin II, the requirement for a human-carrying space station engineering space application system experimental cabin II payload environment test, the part GJB 150.16 a-2009 part 16 of the military equipment laboratory environment test method: vibration test, design scheme report of experiment cabinet mechanical environment test fixture (upward), and GJB 1027A-2005 test requirements of carrier, upper stage and spacecraft.
TABLE 1 acceleration test conditions (identification grade)
TABLE 2 sine sweep vibration test conditions (identification grade)
TABLE 3 random vibration test conditions (identification grade)
TABLE 4 impact test conditions
Wherein, the allowable deviation of acceleration: 0 to 10 percent;
the allowable error of the vibration frequency is +/-2 percent;
the amplitude error of the sine sweep frequency vibration acceleration is +/-10 percent;
random vibration acceleration power spectral density: the tolerance of 20Hz-1000Hz is +/-1.5db, the tolerance of 1000Hz-2000Hz is +/-3 db, and the tolerance of the total root mean square value is +/-1 db;
shock acceleration response spectrum values (Q =10, absolute acceleration, natural frequency interval 1/6 octave): -2dB to +6dB;
other experimental conditions allow deviations as per GJB 1027A-2005;
the vibration table, the test testing equipment and the sensor used in the test are measured and qualified by a third party, and the vibration test conditions and the test process control meet the outline requirements according to the actual test control curve of the vibration test. When the camera assembly is subjected to acceleration, vibration and impact tests, the test in one direction is completed every time, whether the appearance of the camera, the appearance of a structural part and a focusing screw are loosened or not is checked, the checking result is qualified, meanwhile, after the test in each direction is completed, the imaging effect of the camera is tested, after the test, the imaging effect of the camera is normal after the mechanical test is completed, and the performance of the camera meets the use requirement of an online cabinet. After the test, the appearance of the tested product is checked, the camera and the lens are not abnormal, the camera structural part is not abnormal, and the focusing screw is not loosened. Before and after the product is tested in all directions, the performance inspection such as the imaging effect of the product is not abnormal, and 0.2g characteristic level before and after the test basically has no drift. In conclusion, after the online cabinet camera assembly is subjected to a vibration test, the appearance of the product is intact and has no abnormity, the frequency drift meets the requirement of a test outline, and the test is successful.
The online cabinet operation box of this embodiment respectively sets up a camera support through the diagonal position top at the double-phase lateral wall of box, has reduced camera support camera subassembly and has occupied the volume, reduces the volume that camera subassembly occupied, avoids camera subassembly and the linear guide stroke in the operation box to have the interference, simultaneously, avoids the luminance in lamp area to influence the imaging effect of camera. The online cabinet operation box of this embodiment sets up two camera supports through adopting the diagonal angle, can provide the fixed mode of observing the camera for the large-scale operating space in orbit, through structural design, guarantees to cover the biggest field of view volume with the minimum camera as far as possible, improves the convenience that the camera was changed.
In the embodiment, the installation positions of the camera and the lamp strip need to consider factors such as an imaging angle, an imaging effect, observation area interference, lamp strip illumination and the like; the installation of the dexterous manipulator needs to be considered, and the maximum reachable space of the manipulator is obtained when the manipulator moves; the quick-break joint positions of nitrogen, air and waste gas need to consider the influence of an air loop and gas turbulence when a fan is started; the mounting positions of the front-end acquisition box, the temperature sensor, the humidity sensor and the differential pressure sensor need to consider the influences of position interference and signal acquisition distance of other components in the rear area; the mounting position of the load connector needs to consider the ergonomic factor; in addition, the on-track replacement requirement of the replaceable component assembly and the laying problem of the cable are considered.
The online maintenance operation box is fixed on a main structure of a cabinet, and loads and tools can enter and exit through a front panel which can be unlocked and opened. In order to ensure smooth and safe operation and experiment, the invention designs the whole operation box into a multifunctional system with considerable, measurable, replaceable and controllable operation and experiment processes. The observation means that the astronaut can directly observe the operated object and the operation process through the transparent panel of the operation box; measurable means that load auxiliary equipment arranged in an operation box is used for carrying out primary measurement on the operated load; the replaceable device means that devices in the operation box can be replaced and can be freely combined and disassembled according to operation and experiment requirements; controllable refers to controllable environment (such as brightness, gas resources and the like) and fine operation (such as a smart manipulator) process in the operation box; meanwhile, the three-waste treatment device in the operation box can realize the functions of environmental monitoring in the box and treatment of waste gas and waste particulate matters.
The online maintenance operation box is used for providing an operation space containing various universal interfaces, observation and illumination for on-orbit maintenance operation and scientific experiments of effective loads, and has quick self-cleaning capability. In the design, the box body adopts an assembly mode of integral casting, a sealing panel and an openable front panel, so that the integral forming difficulty of the box body is reduced, and the processing problem of mounting interfaces of components in the box body is solved; the size of the front side inlet and outlet of the box body is made as large as possible by matching with the size of the front panel, so that larger effective load can conveniently enter the box body for operation; the design of the operation box truss of the whole box structure needs weight reduction and local reinforcement design, so that the box has the requirement of certain pressure bearing capacity while the whole weight is reduced; each panel of the box body adopts an end face static sealing mode, and after the box body is assembled, each panel is not detached any more, so that the overall sealing performance of the box body is ensured; the box body adopts a four-side mounting mode, is matched with the use of a unloading piece and is reliably connected with the online cabinet; the back of the box body is adaptively designed according to different sealing installation modes of a connector, a liquid pipeline and a gas pipeline, so that the communication of electricity, gas and liquid between the inside and the outside is ensured, and the integral sealing performance of the box body meets the use requirement; the interior of the box body is designed in a partition mode and is divided into an equipment installation area in the rear area and a load operation area in the front area, and the middle of the equipment installation area and the load operation area are separated through a partition plate, so that the load operation space is enlarged; through reasonable layout, the components of the box body are not interfered and matched with each other, and various interfaces are reserved for other units and effective loads; the three-waste treatment device, the partition plate and each interface are integrated, so that the functions of air cooling and heat dissipation, air path internal circulation, three-waste treatment and functional area separation are realized.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (14)
1. An online maintenance operation box for a space station payload is characterized by comprising an integrally formed operation box truss and a panel hermetically covered on the operation box truss, wherein the operation box truss and the panel surround to form an operation box body of a closed structure; a partition plate is arranged in the operation box body, a back plate interlayer is formed between the partition plate and the back panel of the operation box body, and an operation area is formed between the partition plate and the front panel of the operation box body;
load auxiliary operation equipment is arranged in the operation area, and a cabin penetrating connector electrically connected with a cable connected with the load auxiliary operation equipment is connected to the panel in a sealing mode;
a three-waste treatment device and an environment monitoring device are arranged in the back plate interlayer, a main structure of the environment monitoring device is positioned in the back plate interlayer, a monitoring end of the environment monitoring device penetrates through the partition plate through cabin penetrating joint sealing and is positioned in the operation area, and a pipeline of the three-waste treatment device penetrates through a panel of the operation box body through cabin penetrating joint sealing;
the upper end of the partition board is provided with an air outlet, the lower end of the partition board is provided with an air inlet, the upper end of the three-waste treatment device is communicated with the operation area through the air outlet, and the lower end of the three-waste treatment device is communicated with the operation area through the air inlet.
2. The on-line maintenance operation box for the space station payload as claimed in claim 1, wherein the cabin penetrating connector is connected with the panel in a sealing manner through a sealing gasket and a sealing ring, one end face of the cabin penetrating joint is connected with the panel in a sealing manner through a double O-ring, and the monitoring end of the environment monitoring device or the pipeline of the three-waste treatment device is connected with one end of the cabin penetrating joint, which is located in the operation box body, in a sealing manner through the double O-ring.
3. The in-line service operator box for use with a space station payload of claim 1, wherein the panels comprise a front panel, side panels, a top panel, a back panel, and a bottom panel; the front side of the operation box truss is provided with an inlet and an outlet, the upper end of the inlet and the outlet is hinged with a front panel, and the peripheral side of the front panel is detachably and hermetically connected with the inlet and the outlet; the bottom of the operation box truss is hermetically provided with a bottom plate, the top of the operation box truss is hermetically provided with a top plate, the side part of the operation box truss is hermetically provided with a side plate, and the back of the operation box truss is hermetically provided with a back plate;
the bottom plate is provided with screw blind holes at equal intervals, and the side plates and the partition plates are also provided with screw blind holes.
4. The on-line service operator box for use with a space station payload of claim 1, wherein the bulkhead comprises an upper bulkhead and a middle bulkhead, the upper bulkhead being spaced above a front side of the middle bulkhead; the air outlet is formed at the interval between the upper partition plate and the middle partition plate; the middle partition plate and the panel at the bottom of the operation box body are arranged at intervals, and the air inlet is formed at the interval between the middle partition plate and the panel at the bottom of the operation box body.
5. The on-line maintenance operation box for the space station payload as claimed in claim 1, wherein the three-waste treatment device comprises a filter device, a fan assembly, a gas-liquid heat exchanger and an air outlet assembly, an inlet of the filter device is arranged at an air inlet at the lower end of the partition plate, an outlet of the filter device is communicated with an air inlet of the fan assembly through a first ventilation pipeline, an air outlet of the fan assembly is communicated with an air inlet end of the gas-liquid heat exchanger, an air outlet end of the gas-liquid heat exchanger is communicated with an inlet of the air outlet assembly through a second ventilation pipeline, and an outlet of the air outlet assembly is arranged at an air outlet at the upper end of the partition plate.
6. The online maintenance operation box for the payload of the space station as claimed in claim 5, wherein the filtering device comprises a filter cartridge support, a plurality of filtering components and an air inlet end enclosure, the plurality of filtering components are respectively assembled on the filter cartridge support, the air inlet end enclosure is installed at one side of the filter cartridge support and surrounds the filter cartridge support to form an air inlet channel, and outlets of the plurality of filtering components are communicated with the air inlet channel; the air inlet seal head is communicated with an air inlet of the fan assembly through a first ventilation pipeline.
7. The on-line maintenance operation box for the payload of the space station as claimed in claim 6, wherein the filter assembly comprises a filter cartridge, a filter element, a filter screen, a top cover and a bottom cover, the filter cartridge is of a cylindrical structure with two open ends, the filter element is adapted to be arranged in the filter cartridge, the filter screen is arranged at the inner side of one end of the cylindrical structure, the filter screen is pressed on the filter element, the top cover is fixed at the inner side of one end of the filter cartridge and is pressed on the filter screen, and the bottom cover is fixed at the inner side of the other end of the filter cartridge and is pressed on the filter element; a plurality of quick-change holes are formed in one side, away from the filter screen, of the top cover, and a first threaded section is arranged in the center of one side, away from the filter element, of the bottom cover;
the filter cartridge support is provided with a plurality of assembly channels, the bottom of each assembly channel is provided with an assembly threaded hole, the filter assembly is inserted into each assembly channel, and the filter assembly is connected into the assembly threaded hole at the bottom of the corresponding assembly channel through a first threaded section on the bottom cover in a threaded manner.
8. The online maintenance operation box for the space station payload according to claim 6, wherein the air outlet assembly comprises an air outlet end socket and an air outlet filter screen, an outlet at one side of the air outlet end socket is of an open structure, and the air outlet filter screen covers the open structure of the air outlet end socket; and the air outlet end of the gas-liquid heat exchanger is communicated with the inlet of the air outlet end socket through a second ventilation pipeline.
9. The in-line maintenance operation box for the space station payload according to claim 1, wherein a gas system and an exhaust gas system are further arranged in the back plate interlayer, the exhaust gas system and the gas system are both arranged in the back plate interlayer of the operation box body, an exhaust gas output pipeline of the exhaust gas system penetrates through the back plate in a sealing mode and is communicated with the external environment of the operation box, and an exhaust gas input pipeline of the exhaust gas system is located in the operation area; a gas input pipeline of the gas system penetrates through the back plate in a sealing mode and is communicated with external gas supply equipment, and a gas output pipeline of the gas system is located in the operation area; a differential pressure sensor and a humidity sensor are also arranged on the inner side wall of the partition plate;
a first electromagnetic valve for controlling the on-off of the waste gas input pipeline and the waste gas output pipeline is arranged in the waste gas exhaust system, and the first electromagnetic valve is fixed on the partition plate or the back plate through a first valve bracket; a second electromagnetic valve for controlling the on-off of the gas input pipeline and the gas output pipeline is arranged in the gas system, and the second electromagnetic valve is fixed on the partition plate or the back plate through a second valve bracket; the free end of the waste gas input pipeline is provided with a first quick-break male head, and the free end of the gas output pipeline is provided with a second quick-break male head.
10. The online maintenance operation box for the payload of the space station as claimed in claim 9, wherein the first quick-break male connector and the second quick-break male connector are provided with short-circuit hard pipes with adjustable flow; the short-circuit hard pipe comprises a quick-break female head, a short-circuit pipe and a flow regulating assembly, wherein one end of the short-circuit pipe is hermetically inserted inside one end of the quick-break female head, the short-circuit pipe is of a hollow structure with two open ends and is communicated with the quick-break female head, and the flow regulating assembly is arranged inside the other open end of the short-circuit pipe;
the flow regulating assembly comprises a flow regulating pore plate and a pressure head, a first annular step is arranged on the inner side wall of the opening at the other end of the short connecting pipe, the flow regulating pore plate is in compression joint with the first annular step, and the pressure head is matched with the inner side wall of the opening at the other end of the short connecting pipe and in compression joint with the flow regulating pore plate; the middle part of the flow regulating pore plate is provided with a flow regulating hole which is axially communicated, the middle part of the pressure head is provided with a flow channel which is axially communicated, and the flow channel, the flow regulating hole and the hollow structure of the nipple are communicated with each other;
the flow regulating assembly further comprises a filter screen, a second annular step is further arranged on the inner side wall of the opening at the other end of the nipple, the outer diameter of the second annular step is larger than that of the first annular step, and the second annular step is arranged close to the opening at the other end of the nipple; the filter screen is in pressure joint with the second annular step, so that the flow regulating orifice plate is limited between the filter screen and the first annular step; the pressure head is in press connection with the filter screen, and the filter screen is in press connection with the flow regulating pore plate.
11. The on-line maintenance operation box for the space station payload according to claim 10, wherein an inner thread is arranged on the inner side wall of the opening at the other end of the nipple, a first outer thread is arranged on the outer side wall of the pressure head, and the first outer thread is in threaded connection with the inner thread of the nipple in a matching manner; an operation through hole which is axially communicated is formed in the pressure head, and the operation through hole is of a polygonal structure; one end of the pressure head, which is close to the filter screen, is provided with an annular blank holder, and the annular blank holder is provided with a circular through hole; the circular through hole is communicated with the operation through hole; the week side of flow control orifice plate with the step lateral wall interval arrangement or the adaptation butt of first annular step, week side of filter screen with the step lateral wall interval arrangement or the adaptation butt of second annular step.
12. The online maintenance operation box for the payload of the space station according to claim 10, wherein the short connection hard tube further comprises a sleeve nut, an annular limiting rib is arranged on the outer side wall of the short connection tube, and the annular limiting rib abuts against the end face of one end of the quick-break female head; a second external thread is arranged on the outer side wall of one end of the quick-break female head, and the outer sleeve nut is in threaded connection with the second external thread of the quick-break female head; one end of the outer sleeve nut is provided with an annular crimping step which is crimped on the annular limiting rib.
13. The on-line maintenance operation box for the space station payload as claimed in claim 1, wherein the load auxiliary operation device comprises a light strip, replaceable camera supports, load connectors and six-axis manipulators, the light strip is installed on two sides of the top of the operation area, the replaceable camera supports are respectively arranged on the diagonal positions of the top of the operation area, the six-axis manipulators are arranged on the top of the operation area, and the load connectors are hermetically connected to the back panel of the operation box body.
14. The on-line maintenance operation box for the space station payload as claimed in claim 13, wherein the replaceable camera support comprises a camera support and a camera support, the camera support comprises a first camera support and a second camera support, the first camera support and the second camera support are buckled with each other to form a cylindrical structure with two open ends, one open end of the cylindrical structure is used for clamping a camera assembly, and the other open end of the cylindrical structure is provided with a support mounting surface; a box mounting surface and a camera bracket mounting surface which are arranged at an angle are formed on the outer side wall of the camera support, and the cylindrical structure is assembled on the camera bracket mounting surface through the support mounting surface;
a cable channel is arranged in the camera support, a first cable through hole is formed in the camera support mounting surface of the camera support, a cable mounting surface is further formed on the outer side wall of the camera support, a second cable through hole is formed in the cable mounting surface, and the first cable through hole and the second cable through hole are both communicated with the cable channel;
the camera support mounting surface is provided with three first mounting holes, two first mounting holes are positioned on the upper side of the camera support mounting surface, and one first mounting hole is positioned on the lower side of the camera support mounting surface; three second mounting holes are formed in the support mounting surface of the cylindrical structure, and the three second mounting holes and the three first mounting holes are arranged in a one-to-one correspondence mode and are connected and fixed through connecting pieces;
the mounting surface of the box body is a plane or an L-shaped surface.
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