CN-117262250-B - Low-power consumption electromagnetic locking separation boot under gravity-free or microgravity environment

CN117262250BCN 117262250 BCN117262250 BCN 117262250BCN-117262250-B

Abstract

The invention discloses a low-power consumption electromagnetic locking and separating boot in a gravity-free or microgravity environment, which comprises a magnetic conduction pad, an electromagnetic locking and separating device, a boot bottom and a boot surface, wherein the boot surface and the boot bottom are combined to form a boot body, two cavities are respectively arranged in the front end and the rear end of the boot bottom, the electromagnetic locking and separating device is respectively arranged in the two cavities, the electromagnetic locking and separating device comprises a fixed iron core group, a movable iron core group and an electromagnetic group, the fixed iron core group and the electromagnetic group are fixedly connected with the boot bottom, the movable iron core group is arranged between the fixed iron core group and the electromagnetic group, the movable iron core group is in sliding connection with the boot bottom, and when the electromagnetic group is electrified, the movable iron core group is pushed to enable the movable iron core group to be attached to the fixed iron core group, or the movable iron core group is pulled to enable the movable iron core group to be attached to the electromagnetic group, so that the locking or the separation of the boot body and the magnetic conduction pad is realized. The electromagnetic locking separation boot is simple in structural design, light in weight, low in power consumption due to the fact that pulse voltage is adopted for driving, and low in magnetic leakage due to the fact that a magnetic circuit is closed when the electromagnetic locking separation boot is in a locking or separating state.

Inventors

ZHAO ZHENGYANG
CHANG QUNFENG
WANG ZIWEN
LUO XIANGCHENG
LIU WENCHENG
WANG SHUAIBO
WANG YEHUAN
LI GANG
SUN YONGSHENG
SUN TAOJING
WU RUONAN
CAI LIBING

Assignees

中国航天时代电子有限公司

Dates

Publication Date: 20260508
Application Date: 20230804

Claims (7)

1. The low-power consumption electromagnetic locking and separating boot in a gravity-free or microgravity environment is characterized by comprising a magnetic conduction pad (1), an electromagnetic locking and separating device (2), a boot sole (3) and a boot surface (4); the boot surface (4) and the boot bottom (3) are combined to form a boot body; Two cavities are respectively arranged in the front end and the rear end of the boot sole (3), and electromagnetic locking and separating devices (2) are respectively arranged in the two cavities; The electromagnetic locking and separating device (2) comprises a fixed iron core group (5), a movable iron core group (6) and an electromagnetic group (7), wherein the fixed iron core group (5) and the electromagnetic group (7) are fixedly connected with a boot bottom (3), the movable iron core group (6) is arranged between the fixed iron core group (5) and the electromagnetic group (7), the movable iron core group (6) is slidably connected with the boot bottom (3), when the electromagnetic group (7) is electrified, the movable iron core group (6) is pushed to enable the movable iron core group (6) to be attached to the fixed iron core group (5), or the movable iron core group (6) is pulled to enable the movable iron core group (6) to be attached to the electromagnetic group (7), so that locking or separation of a boot body and a magnetic conduction pad (1) is realized; the fixed iron core group (5) comprises two iron cores I (9), and the iron cores I (9) are cubic; the electromagnetic group (7) comprises an iron core II (10), a framework (11) and an electromagnetic coil (12), wherein the iron core II (10) is U-shaped with an opening facing the movable iron core group (6), and the electromagnetic coil (12) is sleeved outside the iron core II (10) by the framework (11); The movable iron core group (6) comprises iron cores III (13) and permanent magnets (14), wherein the iron cores III (13) and the permanent magnets (14) are long-strip-shaped, two ends of each permanent magnet (14) are respectively connected with two iron cores III (13), and the length direction of each permanent magnet (14) is perpendicular to the length direction of each iron core III (13); The shoe body is locked with the magnetic conduction pad (1) when the first ends of the two iron cores III (13) are contacted with the two iron cores I (9) and the second ends of the two iron cores III (13) are separated from the two ends of the iron core II (10), and the shoe body is separated from the magnetic conduction pad (1) when the first ends of the two iron cores III (13) are separated from the two iron cores I (9) and the second ends of the two iron cores III (13) are contacted with the two ends of the iron core II (10); an intermediate cavity is arranged between the front cavity and the rear cavity of the boot sole (3); the middle cavity, the front cavity and the rear cavity are mutually independent; An integrated circuit unit (15), a battery unit (16) and a wireless charging unit (17) are arranged in the middle cavity; The integrated circuit unit (15) comprises a controller unit (20), a chip, a storage unit (21) and a wireless signal receiving and transmitting unit (22); The chip and the storage unit (21) are used for receiving the signal of the stress sensor unit (19), judging the walking action according to the signal and sending an instruction to the controller unit (20) according to the judging result of the walking action; The controller unit (20) controls the battery unit (16) to send pulse signal instructions to the electromagnetic group (7) according to the instructions; the wireless signal receiving and transmitting unit (22) is used for receiving a forced unpowered instruction sent by the external signal generator when the locking state is required to be kept for a long time.
2. The low-power consumption electromagnetic locking and separating boot in the gravity-free or microgravity environment according to claim 1, wherein the two cavities arranged at the front end and the rear end of the boot bottom (3) are respectively marked as a front cavity and a rear cavity, openings are arranged at the bottoms of the front cavity and the rear cavity, and an iron core I (9) performs electromagnetic action with the magnetic conduction pad (1) through the openings.
3. The low-power consumption electromagnetic locking separation boot in a gravity-free or microgravity environment according to claim 1, wherein the bottoms of the front cavity and the rear cavity are provided with sliding grooves for matching with the iron core III (13).
4. The low-power consumption electromagnetic locking separation boot in a gravity-free or microgravity environment according to claim 1, wherein stress sensor units (19) for detecting walking actions are distributed on the upper surface of the boot sole (3) and the inner surface of the boot surface (4).
5. The low-power consumption electromagnetic locking and separating boot in the gravity-free or microgravity environment according to claim 1 is characterized in that the middle cavity is T-shaped, the upper surface of the middle cavity is the upper surface of the boot sole (3), the front cavity and the rear cavity are of detachable structures, and the front cavity and the rear cavity are respectively assembled at the front end and the rear end of the middle cavity to form the boot sole (3).
6. The low-power consumption electromagnetic locking separation boot in a gravity-free or microgravity environment according to claim 1, wherein the magnetic pad (1) is of a planar structure.
7. The low-power consumption electromagnetic locking and separating boot in a gravity-free or microgravity environment according to claim 1, wherein the bottom of the middle cavity is provided with a slot opening (308) which is communicated with the electromagnetic locking and separating device (2); the stress sensor unit (19) accesses signals to the integrated circuit unit (15).

Description

Low-power consumption electromagnetic locking separation boot under gravity-free or microgravity environment Technical Field The invention belongs to the field of aerospace, and particularly relates to a low-power-consumption electromagnetic locking separation boot in a gravity-free or microgravity-free environment, which is suitable for walking in the gravity-free (microgravity-free) environment. Background With the continuous and deep development of aerospace technology, spacecraft represented by space stations are increasingly mature, human beings work under the environment without (micro) gravity, and the scene and working conditions are more and more, so that astronauts in various countries walk under the environment without (micro) gravity in the aerospace craft generally through annular ropes arranged at the bottom of the spacecraft, or electromagnetic force walks under the environment without (micro) gravity. In particular, the method for arranging the annular rope at the bottom of the spacecraft is to hook the annular rope by the foot, and realize the position movement by the interaction force of the foot and the rope, and the greatest problem brought by the movement mode is that, when the interaction force between the foot and the rope is applied, the human body posture is difficult to control due to the difficulty in controlling the flexibility and the acting force of the rope, so that the human body is difficult to maintain the balanced state consistent with the spacecraft. In the method for realizing walking in a (micro) gravity-free environment by electromagnetic force, the electromagnetic iron core of the integrated coil is electrified to realize the suction of ferromagnetic materials, the electromagnetic coil group is required to be electrified all the time, meanwhile, if the electrified current is too small, the suction force is smaller, and if the electrified current is too large, the power consumption and the heat generation are generated when the electrified current is always electrified, the electromagnetic shoe is poor in reliability, and simultaneously, the high requirements on a power supply system are provided, and if the high electromagnetic suction force is provided, the volumes of the electromagnetic iron core and the coil are increased, so that the overall weight is increased, and meanwhile, the electromagnetic coil group continuously generates electromagnetic radiation and interference to the outside when the electrified, so that the requirements on light weight, low power consumption and low magnetic leakage cannot be met. Disclosure of Invention The invention aims to overcome the defects, and provides the low-power-consumption electromagnetic locking separation boot in a gravity-free or microgravity environment, which solves the technical problems that the traditional electromagnetic boot cannot meet the requirements of light weight, low power consumption and low magnetic leakage. In order to achieve the above purpose, the present invention provides the following technical solutions: The low-power consumption electromagnetic locking and separating boot in a gravity-free or microgravity environment comprises a magnetic conduction pad, an electromagnetic locking and separating device, a boot bottom and a boot surface; The boot surface and the boot bottom are combined to form a boot body; two cavities are respectively arranged in the front end and the rear end of the boot bottom, and electromagnetic locking and separating devices are respectively arranged in the two cavities; the electromagnetic locking and separating device comprises a fixed iron core group, a movable iron core group and an electromagnetic group, wherein the fixed iron core group and the electromagnetic group are fixedly connected with the sole of the boot, the movable iron core group is arranged between the fixed iron core group and the electromagnetic group, the movable iron core group is in sliding connection with the sole of the boot, when the electromagnetic group is electrified, the movable iron core group is pushed to enable the movable iron core group to be attached to the fixed iron core group, or the movable iron core group is pulled to enable the movable iron core group to be attached to the electromagnetic group, so that locking or separation of the boot body and the magnetic conduction pad is realized. Further, the fixed iron core group comprises two iron cores I, and the iron cores I are cubes; the electromagnetic group comprises an iron core II, a framework and an electromagnetic coil, wherein the iron core II is U-shaped with an opening facing the movable iron core group, and the electromagnetic coil is sleeved on the outer side of the iron core II by the framework; The movable iron core group comprises an iron core III and a permanent magnet, wherein the iron core III and the permanent magnet are both in a strip shape, two ends of the permanent magnet are respectively connected with the two iro