CN112071693A - Microgravity circuit switch - Google Patents
Microgravity circuit switch Download PDFInfo
- Publication number
- CN112071693A CN112071693A CN202010939184.3A CN202010939184A CN112071693A CN 112071693 A CN112071693 A CN 112071693A CN 202010939184 A CN202010939184 A CN 202010939184A CN 112071693 A CN112071693 A CN 112071693A
- Authority
- CN
- China
- Prior art keywords
- sliding sleeve
- inner sliding
- shell
- plug
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/14—Force analysis or force optimisation, e.g. static or dynamic forces
Landscapes
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Computational Mathematics (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
The invention discloses a microgravity circuit switch, which comprises a shell, a left pressure plate, a right pressure plate, a left weight block, a right weight block, a reset rod, a main spring and an inner sliding sleeve, wherein the shell is a main body bearing structure, a left plug and a right plug are arranged at the top of the shell, the inner sliding sleeve is arranged in the shell and forms a moving pair, a bottom cover is arranged at the lower end of the shell, the main spring is arranged between the inner sliding sleeve and the bottom cover, the inner sliding sleeve can rapidly bounce upwards under the elastic force of the main spring, so that a copper plate at the top end of the inner sliding sleeve conducts the circuits of the left plug and the right plug, the left pressure plate, the right pressure plate and the shell form a rotating pair, the left end of a front stay bar is tightly connected with the left pressure plate, the right weight block is suspended at the right end, the left weight block is suspended at the left end, under the gravity action of the weight block, the left pressure plate and the, the inner sliding sleeve can be moved downwards to the initial position of circuit disconnection by pressing the reset rod.
Description
Technical Field
The invention relates to a circuit switch, in particular to a microgravity circuit switch.
Background
The microgravity environment provides a new field and a new way for scientific research, and with the development of aerospace technology, microgravity science and application become a new field in high-tech development and are highly valued by industrialized countries; in a microgravity environment, the gravity action is greatly weakened, sedimentation, buoyancy convection and static pressure gradient are basically eliminated, and a plurality of covered intrinsic processes on the ground, such as heat transfer, mass transfer and the like, can be clarified, thereby playing an important role in promoting the development of material science and biotechnology; due to the great academic significance and application value of microgravity science, a large number of scientists are attracted to converge to the field, so that microgravity science is very active at the scientific frontier.
The ideal field for carrying out experiments in microgravity science is a space station which runs for a long time on a near-earth orbit, and the cost for carrying out experiments in the space station is extremely high, so that microgravity experiments are mostly carried out in a tower falling or a well falling, the effective test time of the tower falling and the well falling is very short, usually only a few seconds, and the experiment time is very precious; in the microgravity experiment, circuit switch is indispensable electric installation, even needs the switch that triggers by the microgravity condition in some experiments to the realization is under the prerequisite of effectively utilizing the experimental time as far as possible, guarantees experimental accuracy.
The invention patent with publication number CN1204582C discloses a microgravity power switch, which utilizes the weight of a heavy hammer to compress a spring under normal gravity, so that the heavy hammer can not touch a top ball, and the switch is in an off state; under the microgravity, the spring extends under the action of elasticity due to the disappearance of gravity, and the heavy hammer is jacked up to touch the top bead, so that the switch is in a communication state; under normal gravity conditions, the weight compresses the spring under the action of self gravity, and is in a balanced state, and the spring force is as follows:
Fk＝Kh＝m1g
after the switch is triggered, the upward movement distance of the heavy hammer is as follows:
after the switch is triggered, the acceleration of the upward movement of the heavy hammer is as follows:
from the above formula it can be deduced:
wherein K is spring force coefficient, h is spring compression amount, m1Weight mass, g gravity accelerationDegree, t1The time required for the switch to toggle.
Disclosure of Invention
The invention aims to provide a microgravity circuit switch which is automatically triggered under the microgravity condition, requires shorter triggering time compared with the prior art, and can more quickly realize closing triggering under the microgravity condition.
The technical scheme adopted by the invention is as follows: the utility model provides a microgravity circuit switch, includes shell, right clamp plate, right pouring weight, right plug, right electrode, reset spring, release link, left plug, left electrode, back vaulting pole, left pouring weight, preceding vaulting pole, left clamp plate, main spring, bottom, inner sliding sleeve, copper, its characterized in that: the shell is a main body bearing structure, the left plug and the right plug are arranged at the top of the shell, the inner sliding sleeve is arranged in the shell and forms a moving pair, the bottom cover is arranged at the lower end of the shell, a main spring is arranged between the inner sliding sleeve and the bottom cover, under the elastic action of the main spring, the inner sliding sleeve can be rapidly sprung upwards to enable a copper plate at the top end of the inner sliding sleeve to conduct circuits of the left plug and the right plug, the left pressing plate, the right pressing plate and the shell form a rotating pair, the left end of a front stay bar is fixedly connected with the left pressing plate through a screw, a right weight is suspended at the right end of a rear stay bar, the right end of the rear stay bar is fixedly connected with the right pressing plate through a screw, the left weight is suspended at the left end, under the gravity action of the left weight and the right weight, the left pressing plate and the right pressing plate can press, the inner sliding sleeve can be moved downwards to the initial position of circuit disconnection by pressing the reset rod.
Preferably, the shell is the cylinder cavity structure of insulating material, its top is equipped with two air vents, the upper end is equipped with the annular mounting panel of circle, be equipped with the screw hole that is used for realizing shell and experimental apparatus fastening connection on the mounting panel, the shell both sides are equipped with the rectangle that link up and window, its left side lower extreme is equipped with left engaging lug, the right side lower extreme is equipped with right engaging lug, the inside vertical two conducting strips that are equipped with of shell, the bottom constitutes the screw thread pair with the shell, the circulation of air can be realized in the square hole that central point position was equipped with, and the accessible realizes screwing up with the screw thread pair of shell with the cooperation of square.
As preferred, left plug and right plug are installed in the shell top, all adopt general fast structure of inserting, and the left electrode that left plug bottom was equipped with is located the inside top left side of shell, and the right electrode that right plug bottom was equipped with is located the inside top right side of shell.
Preferably, the inner sliding sleeve is of a cylindrical cavity structure and is made of light and insulating materials, a round copper plate with a central hole is arranged at the top end of the inner sliding sleeve, a longitudinal guide groove is respectively arranged at the front side and the rear side of the inner sliding sleeve, Morse conical surfaces are respectively arranged at the lower ends of the left side and the right side of the inner sliding sleeve, and the Morse conical surfaces are in a Morse taper with a taper ratio of 1:19.212 and have a self-locking characteristic.
Preferably, the inner sliding sleeve is arranged inside the shell, the two guide grooves on the outer side of the inner sliding sleeve are matched with the two guide strips of the shell, so that the inner sliding sleeve and the shell form a moving pair, the main spring is arranged between the inner sliding sleeve and the bottom cover, and the inner sliding sleeve can be rapidly upwards bounced by the elastic force provided by the main spring, so that the copper plate is in contact with the left electrode and the right electrode, and the circuit of the left plug and the right plug is switched on.
Preferably, the right side of the left pressure plate is provided with a left friction plate with the taper of 1:19.212, the lower end of the left friction plate and the left connecting lug form a rotating pair, the left weight block is made of lead, the upper end of the left weight block and the left end of the rear supporting rod form a rotating pair, the right end of the rear supporting rod and the right pressure plate are in fastening connection through four screws, the left side of the right pressure plate is provided with a right friction plate with the taper of 1:19.212, the lower end of the right friction plate and the right connecting lug form a rotating pair, the structural size and the material of the right weight block are the same as those of the left weight block, the upper end of the right weight block and the.
In the initial state, the inner sliding sleeve is positioned at the lower end of the stroke, the copper plate is disconnected with the left electrode and the right electrode, and the main spring is in the state of maximum compression amount; the left weight block has a downward movement trend under the action of gravity, so that the right pressure plate has a counterclockwise rotation trend, and the right friction plate is pressed against the Morse conical surface on the right side of the inner sliding sleeve leftwards through the lever action; the right weight block has a downward movement trend under the action of gravity, so that the left pressure plate has a clockwise rotation trend, and the left friction plate is pressed rightwards to press the Morse conical surface on the left side of the inner sliding sleeve through the lever action; and under the common clamping state of the left friction plate and the right friction plate, the inner sliding sleeve is in an initial state of static balance at the lower end of the stroke.
Under the microgravity condition, the gravity action of the left weight and the right weight disappears, then the pressure of the left friction plate and the right friction plate clamped on the Morse conical surfaces on the two sides of the inner sliding sleeve disappears, the friction force generated by the pressure also disappears, then the static balance state of the inner sliding sleeve is broken, the inner sliding sleeve rapidly bounces upwards under the elastic action of the main spring, the copper plate at the top end of the inner sliding sleeve is in contact with the left electrode and the right electrode, and the circuit of the left plug and the circuit of the right plug are switched on.
Preferably, the reset rod is arranged at the center of the top end of the shell and forms a sliding pair, a reset spring is arranged between the top end of the shell and the upper end of the reset rod, and the reset rod is positioned at the uppermost end of the stroke of the reset spring under the elastic force action of the reset spring.
After the microgravity experiment is completed, the circuit switch needs to be switched off, even if the inner sliding sleeve positioned at the upper end position is reset to the initial state of the lower end position, the reset rod only needs to be pressed downwards under the normal gravity condition, so that the lower end of the reset rod pushes the inner sliding sleeve to move downwards to the initial position, and under the clamping of the left friction plate and the right friction plate, the inner sliding sleeve is positioned at the initial position and reaches the static equilibrium state.
Mechanical and kinematic analysis of a microgravity circuit switch:
when normal gravity condition, the inner sliding sleeve is in balanced state, then spring force is:
Fk＝Kh＝m2g+f
after the trigger switch, the distance that the inner sliding sleeve upwards moved is:
after the switch is triggered, the acceleration of the upward movement of the inner sliding sleeve is as follows:
from the above formula it can be deduced:
wherein K is spring force coefficient, h is spring compression amount, m2Mass of the inner sliding sleeve, g is gravity acceleration, t2The time required for the switch to trigger is f is the static friction force between the left friction plate and the inner sliding sleeve and between the right friction plate and the inner sliding sleeve.
To determine t1And t2By controlling the variable method, and taking S1＝S2、m1＝m2M, then one can deduce:
then, it can be known that:
after twice inverted calculation, the following can be obtained:
t2＜t1
the time required for the circuit switch to trigger in the present invention can thus be proven to be much shorter than that required in the prior art.
The invention has the beneficial effects that:
the trigger and reset of the invention are both mechanical structures designed according to mechanical principles, and have the advantages of no power consumption, simple and reliable principles, sensitive action, no generation of electric noise interference and no influence of electromagnetic environment;
compared with the prior art, the method has the advantages that the method is automatically triggered under the microgravity condition, the required trigger time is shorter, and the closed trigger under the microgravity condition can be realized more quickly, so that the accuracy of the test is ensured on the premise of effectively utilizing the experimental time as much as possible;
the left plug and the right plug both adopt a universal quick-plug structure, so that the circuit connection can be quickly realized, the interchangeability and the applicability of the microgravity switch are increased, and the microgravity experiment can be efficiently completed;
and fourthly, the position of the inner sliding sleeve is reset by adopting a reset rod structure, and the operation is convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic cross-sectional view of the initial state of the present invention.
Fig. 3 is a schematic cross-sectional view of the trigger state of the present invention.
Fig. 4 is a partial cross-sectional schematic view of the housing.
Fig. 5 is a schematic structural view of the inner sliding sleeve.
Reference numerals: the device comprises a shell 1, a mounting plate 1.1, a guide bar 1.2, an air vent 1.3, a left connecting lug 1.4, a right connecting lug 1.5, a right pressing plate 2, a right friction plate 2.1, a right weight block 3, a right plug 4, a right electrode 4.1, a reset spring 5, a reset rod 6, a left plug 7, a left electrode 7.1, a back support rod 8, a left weight block 9, a front support rod 10, a left pressing plate 11, a left friction plate 11.1, a main spring 12, a bottom cover 13.1, a square hole 13.1, an inner sliding sleeve 14, a Morse conical surface 14.1 and a copper plate 15.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1 and 2, a microgravity circuit switch includes a housing 1, a right pressing plate 2, a right weight 3, a right plug 4, a right electrode 4.1, a return spring 5, a return bar 6, a left plug 7, a left electrode 7.1, a rear support bar 8, a left weight 9, a front support bar 10, a left pressing plate 11, a main spring 12, a bottom cover 13, an inner sliding sleeve 14, and a copper plate 15, and is characterized in that: the outer shell 1 is a main body bearing structure, the left plug 7 and the right plug 4 are arranged on the top of the outer shell 1, the inner sliding sleeve 14 is arranged inside the outer shell 1 and forms a moving pair, the bottom cover 13 is arranged at the lower end of the outer shell 1, the main spring 12 is arranged between the inner sliding sleeve 14 and the bottom cover 13, under the elastic force of the main spring 12, the inner sliding sleeve 14 can rapidly bounce upwards, a copper plate 15 at the top end of the inner sliding sleeve 14 conducts a circuit of the left plug 7 and the right plug 4, the left pressing plate 11 and the right pressing plate 2 form a rotating pair with the outer shell 1, the left end of the front supporting rod 10 is fixedly connected with the left pressing plate 11 through a screw, the right weight 3 is suspended at the right end, the right end of the rear supporting rod 8 is fixedly connected with the right pressing plate 2 through a screw, the left weight 9 is suspended at the left end, under the gravity action of the left weight 9 and the right weight 3, the left pressing plate 11 and the right pressing plate, the reset rod 6 is always positioned at the upper end of the shell 1 under the action of the elastic force of the reset spring 5, and the inner sliding sleeve 14 can be downwards moved to the initial position of circuit disconnection by pressing the reset rod 6.
As shown in fig. 4, the shell 1 is a cylindrical cavity structure made of insulating materials, the top end of the shell is provided with two air vents 1.3, the upper end of the shell is provided with a circular mounting plate 1.1, the mounting plate 1.1 is provided with a threaded hole for fastening and connecting the shell 1 and an experimental device, two sides of the shell 1 are provided with a through rectangular window, the left lower end of the shell is provided with a left connecting lug 1.4, the right lower end of the right side of the shell is provided with a right connecting lug 1.5, the shell 1 is internally and longitudinally provided with two guide strips 1.2, the bottom cover 13 and the shell 1 form a thread pair, the center position of the square hole 13.1 is provided with a square hole for realizing circulation of air, and the matching.
As shown in fig. 2, the left plug 7 and the right plug 4 are installed on the top end of the housing 1, and both adopt a universal quick-plug structure, the left electrode 7.1 arranged at the bottom end of the left plug 7 is positioned on the left side of the top end inside the housing 1, and the right electrode 4.1 arranged at the bottom end of the right plug 4 is positioned on the right side of the top end inside the housing 1.
As shown in fig. 5, the inner sliding sleeve 14 is a cylindrical cavity structure, and is made of a light and insulating material, the top end of the inner sliding sleeve is provided with a circular copper plate 15 with a central opening, the front side and the rear side of the inner sliding sleeve are respectively provided with a longitudinal guide groove, the lower ends of the left side and the right side of the inner sliding sleeve 14 are respectively provided with a morse conical surface 14.1, and the morse conical surface 14.1 adopts a morse conical degree with a conicity of 1:19.212 and a self-locking characteristic.
As shown in fig. 2 and 5, the inner sliding sleeve 14 is installed inside the housing 1, the two guide grooves on the outer side of the inner sliding sleeve 14 are installed in cooperation with the two guide bars 1.2 of the housing 1, so that the inner sliding sleeve 14 and the housing 1 form a moving pair, the main spring 12 is installed between the inner sliding sleeve 14 and the bottom cover 13, and the inner sliding sleeve 14 can be rapidly sprung upwards by the elastic force provided by the main spring 12, so that the copper plate 15 is in contact with the left electrode 7.1 and the right electrode 4.1, and the circuit of the left plug 7 and the right plug 4 is conducted.
As shown in fig. 2, a left friction plate 11.1 with a taper of 1:19.212 is arranged on the right side of the left pressure plate 11, the lower end of the left friction plate and the left connecting lug 1.4 form a revolute pair, the left weight 9 is made of lead, the upper end of the left weight and the left end of the rear support rod 8 form a revolute pair, the right end of the rear support rod 8 and the right pressure plate 2 are fastened and connected through four screws, a right friction plate 2.1 with a taper of 1:19.212 is arranged on the left side of the right pressure plate 2, the lower end of the right weight and the right connecting lug 1.5 form a revolute pair, the structural size and the material of the right weight 3 are the same as those of the left weight 9, the upper end of the right weight 3 and the right end of the front support rod.
As shown in fig. 2, the reset rod 6 is installed at the center of the top end of the housing 1 and constitutes a sliding pair, a reset spring 5 is installed between the top end of the housing 1 and the upper end of the reset rod 6, and the reset rod 6 is located at the uppermost position of the stroke under the elastic force of the reset spring 5.
The embodiment of the invention comprises the following steps:
as shown in fig. 2, in the initial state, the inner sliding sleeve 14 is at the lower end of the stroke, the copper plate 15 is disconnected from the left electrode 7.1 and the right electrode 4.1, and the main spring 12 is in the state of maximum compression; the left weight 9 has a downward movement trend under the action of gravity, so that the right pressure plate 2 has a counterclockwise rotation trend, and the right friction plate 2.1 is pressed against the Morse cone 14.1 on the right side of the inner sliding sleeve 14 leftwards through the lever action; the right weight 3 has a downward movement trend under the action of gravity, so that the left pressure plate 11 has a clockwise rotation trend, and the left friction plate 11.1 is pressed rightwards to press the Morse conical surface 14.1 at the left side of the inner sliding sleeve 14 through the lever action; under the common clamping state of the left friction plate 11.1 and the right friction plate 2.1, the inner sliding sleeve 14 is in an initial state of static equilibrium at the lower end of the stroke position.
As shown in fig. 3, under the microgravity condition, the gravity action of the left weight 9 and the right weight 3 disappears, the pressure of the left friction plate 11.1 and the right friction plate 2.1 clamped on the morse cones 14.1 at the two sides of the inner sliding sleeve 14 disappears, the friction force generated by the pressure also disappears, the static balance state of the inner sliding sleeve 14 is broken, the inner sliding sleeve 14 rapidly bounces upwards under the elastic force of the main spring 12, the copper plate 15 at the top end of the inner sliding sleeve 14 is in contact with the left electrode 7.1 and the right electrode 4.1, and the circuit of the left plug 7 and the right plug 4 is conducted.
After the microgravity experiment is completed, the circuit switch needs to be switched off, even if the inner sliding sleeve 14 located at the upper end position is reset to the initial state of the lower end position, the reset rod 6 only needs to be pressed downwards under the normal gravity condition, so that the lower end of the reset rod 6 pushes the inner sliding sleeve 14 to move downwards to the initial position, and under the clamping of the left friction plate 11.1 and the right friction plate 2.1, the inner sliding sleeve 14 is located at the initial position and reaches the static balance state.
The references to "front", "back", "left", "right", etc., are to be construed as references to orientations or positional relationships based on the orientation or positional relationship shown in the drawings or as orientations and positional relationships conventionally found in use of the product of the present invention, and are intended to facilitate the description of the invention and to simplify the description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Claims (4)
1. The utility model provides a microgravity circuit switch, includes shell (1), right clamp plate (2), right pouring weight (3), right plug (4), right electrode (4.1), reset spring (5), release link (6), left plug (7), left electrode (7.1), back vaulting pole (8), left pouring weight (9), preceding vaulting pole (10), left clamp plate (11), mainspring (12), bottom (13), inner sliding sleeve (14), copper (15), its characterized in that: the shell (1) is a main body bearing structure, the left plug (7) and the right plug (4) are arranged at the top of the shell (1), the inner sliding sleeve (14) is arranged inside the shell (1) and forms a moving pair, the bottom cover (13) is arranged at the lower end of the shell (1), a main spring (12) is arranged between the inner sliding sleeve (14) and the bottom cover (13), under the elastic action of the main spring (12), the inner sliding sleeve (14) can rapidly bounce upwards to enable a copper plate (15) at the top end of the inner sliding sleeve (14) to conduct a circuit of the left plug (7) and the right plug (4), the left pressure plate (11) and the right pressure plate (2) form a rotating pair with the shell (1), the left end of the front support rod (10) is fixedly connected with the left pressure plate (11) through screws, the right weight (3) is suspended at the right end, the right end of the rear support rod (8) is fixedly connected with the right pressure plate (2) through screws, the left weight (9) is suspended at the left end, left side clamp plate (11) and right clamp plate (2) accessible left side friction disc (11.1) and right friction disc (2.1) compress tightly inner sliding sleeve (14), and the ascending removal of inner sliding sleeve (14) is locked under the effect of frictional force, and release link (6) are in shell (1) upper end position all the time under the elastic force effect of reset spring (5), press release link (6) and can make inner sliding sleeve (14) move down to the initial position of circuit disconnection.
2. A microgravity circuit switch as recited in claim 1, wherein: the shell (1) is of a cylindrical cavity structure made of insulating materials, two air vents (1.3) are formed in the top end of the shell, a circular mounting plate (1.1) is arranged at the upper end of the shell, threaded holes used for achieving fastening connection of the shell (1) and an experimental device are formed in the mounting plate (1.1), through rectangular window openings are formed in two sides of the shell (1), a left connecting lug (1.4) is arranged at the lower end of the left side of the shell, a right connecting lug (1.5) is arranged at the lower end of the right side of the shell, two guide strips (1.2) are longitudinally arranged in the shell (1), a bottom cover (13) and the shell (1) form a thread pair, a square hole (13.1) formed in the center of the shell can achieve air circulation, and can be matched with a square;
the left plug (7) and the right plug (4) are mounted at the top end of the shell (1) and both adopt a universal quick-plugging structure, a left electrode (7.1) arranged at the bottom end of the left plug (7) is positioned at the left side of the top end in the shell (1), and a right electrode (4.1) arranged at the bottom end of the right plug (4) is positioned at the right side of the top end in the shell (1);
the inner sliding sleeve (14) is of a cylindrical cavity structure and is made of light and insulating materials, a round copper plate (15) with a hole in the center is arranged at the top end of the inner sliding sleeve, a longitudinal guide groove is respectively arranged on the front side and the rear side of the inner sliding sleeve, a Morse conical surface (14.1) is respectively arranged at the lower ends of the left side and the right side of the inner sliding sleeve (14), and the Morse conical surface (14.1) adopts the Morse conical degree with the conicity of 1:19.212 and self-locking property;
the inner sliding sleeve (14) is arranged inside the shell (1), two guide grooves on the outer side of the inner sliding sleeve (14) are matched with two guide strips (1.2) of the shell (1) to be arranged, so that the inner sliding sleeve (14) and the shell (1) form a moving pair, a main spring (12) is arranged between the inner sliding sleeve (14) and the bottom cover (13), the inner sliding sleeve (14) can be rapidly upwards bounced by elastic force provided by the main spring (12), and therefore the copper plate (15) is in contact with the left electrode (7.1) and the right electrode (4.1), and the circuit of the left plug (7) and the right plug (4) is conducted.
3. A microgravity circuit switch as recited in claim 1, wherein: the right side of the left pressure plate (11) is provided with a left friction plate (11.1) with the taper of 1:19.212, the lower end of the left friction plate and a left connecting lug (1.4) form a revolute pair, the left weight (9) is made of lead materials, the upper end of the left weight and the left end of the rear support rod (8) form a revolute pair, the right end of the rear support rod (8) and the right pressure plate (2) are in fastening connection through four screws, the left side of the right pressure plate (2) is provided with a right friction plate (2.1) with the taper of 1:19.212, the lower end of the right weight and the right connecting lug (1.5) form a revolute pair, the structural size and the materials of the right weight (3) are the same as those of the left weight (9), the upper end of the right weight (3) and the right end of the front support rod (10) form a revolut;
in an initial state, the inner sliding sleeve (14) is positioned at the lower end of the stroke, the copper plate (15) is disconnected with the left electrode (7.1) and the right electrode (4.1), and the main spring (12) is positioned in a state of maximum compression amount; the left weight (9) has a downward movement trend under the action of gravity, so that the right pressure plate (2) has a counterclockwise rotation trend, and the right friction plate (2.1) is pressed against the Morse cone surface (14.1) on the right side of the inner sliding sleeve (14) leftwards through the lever action; the right weight (3) has a downward movement trend under the action of gravity, so that the left pressure plate (11) has a clockwise rotation trend, and the left friction plate (11.1) is pressed rightwards against the Morse conical surface (14.1) on the left side of the inner sliding sleeve (14) through the lever action; under the common clamping state of the left friction plate (11.1) and the right friction plate (2.1), the inner sliding sleeve (14) is in the initial state of static balance at the lower end of the stroke;
under the microgravity condition, the gravity action of the left weight (9) and the right weight (3) disappears, the pressure of the left friction plate (11.1) and the right friction plate (2.1) clamped on the Morse cones (14.1) at the two sides of the inner sliding sleeve (14) disappears, the friction force generated by the pressure also disappears, the static balance state of the inner sliding sleeve (14) is broken, the inner sliding sleeve (14) rapidly bounces upwards under the elastic action of the main spring (12), the copper plate (15) at the top end of the inner sliding sleeve (14) is in contact with the left electrode (7.1) and the right electrode (4.1), and the circuit of the left plug (7) and the circuit of the right plug (4) are conducted.
4. A microgravity circuit switch as recited in claim 1, wherein: the reset rod (6) is arranged at the center of the top end of the shell (1) to form a moving pair, a reset spring (5) is arranged between the top end of the shell (1) and the upper end of the reset rod (6), and the reset rod (6) is positioned at the uppermost end of the stroke of the reset spring (5) under the elastic force action;
after the microgravity experiment is completed, a circuit switch needs to be switched off, even if the inner sliding sleeve (14) located at the upper end position is reset to the initial state of the lower end position, the lower end of the reset rod (6) is enabled to push the inner sliding sleeve (14) to move downwards to the initial position only by pressing the reset rod (6) downwards under the normal gravity condition, and the inner sliding sleeve (14) is located at the initial position and reaches the static balance state under the clamping of the left friction plate (11.1) and the right friction plate (2.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010939184.3A CN112071693A (en) | 2020-09-09 | 2020-09-09 | Microgravity circuit switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010939184.3A CN112071693A (en) | 2020-09-09 | 2020-09-09 | Microgravity circuit switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112071693A true CN112071693A (en) | 2020-12-11 |
Family
ID=73662911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010939184.3A Withdrawn CN112071693A (en) | 2020-09-09 | 2020-09-09 | Microgravity circuit switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112071693A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2539270Y (en) * | 2002-04-26 | 2003-03-05 | 莫熙秋 | Weightlessness switch |
| JP3092649U (en) * | 2002-09-06 | 2003-03-20 | 新元豪企業有限公司 | Switch device for controlling the turn signal for motorcycle |
| CN1438666A (en) * | 2003-03-21 | 2003-08-27 | 西安交通大学 | Microgravity powersupply switch |
| CN103295835A (en) * | 2013-05-24 | 2013-09-11 | 南京航空航天大学 | Acceleration switch |
| CN203607269U (en) * | 2013-12-05 | 2014-05-21 | 镇江新区惠聚机电科技有限公司 | Weightlessness brake switch of elevator main hoisting pulley |
| CN107359065A (en) * | 2017-08-18 | 2017-11-17 | 桂林航天电子有限公司 | Underwater quick release electric switch |
| CN209747390U (en) * | 2019-05-09 | 2019-12-06 | 国网浙江省电力有限公司杭州供电公司 | Convenient to use's bypass switch operating means |
-
2020
- 2020-09-09 CN CN202010939184.3A patent/CN112071693A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2539270Y (en) * | 2002-04-26 | 2003-03-05 | 莫熙秋 | Weightlessness switch |
| JP3092649U (en) * | 2002-09-06 | 2003-03-20 | 新元豪企業有限公司 | Switch device for controlling the turn signal for motorcycle |
| CN1438666A (en) * | 2003-03-21 | 2003-08-27 | 西安交通大学 | Microgravity powersupply switch |
| CN103295835A (en) * | 2013-05-24 | 2013-09-11 | 南京航空航天大学 | Acceleration switch |
| CN203607269U (en) * | 2013-12-05 | 2014-05-21 | 镇江新区惠聚机电科技有限公司 | Weightlessness brake switch of elevator main hoisting pulley |
| CN107359065A (en) * | 2017-08-18 | 2017-11-17 | 桂林航天电子有限公司 | Underwater quick release electric switch |
| CN209747390U (en) * | 2019-05-09 | 2019-12-06 | 国网浙江省电力有限公司杭州供电公司 | Convenient to use's bypass switch operating means |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202320803U (en) | Memorial alloy unlocking mechanism | |
| CN112071694A (en) | Microgravity circuit switch | |
| CN112071693A (en) | Microgravity circuit switch | |
| CN112071695A (en) | Microgravity triggered circuit switch | |
| CN105487563A (en) | Adjustable constant force mechanism | |
| CN209894917U (en) | Integrated circuit test support plate | |
| CN101369499B (en) | High-precision overload switch | |
| CN208117188U (en) | The automatic jig of lock body | |
| CN212011817U (en) | High tension switchgear with shock-absorbing structure | |
| CN109300736B (en) | Device for hanging and releasing heavy object | |
| CN210671053U (en) | Fixing structure of radiating fin | |
| CN104820446B (en) | A kind of curved surface constant force mechanisms | |
| CN211789661U (en) | Needle type contactor | |
| CN216067327U (en) | Hammer assembling device | |
| CN214839510U (en) | Bearing device for liquid crystal display particle furnace control panel | |
| CN108493034B (en) | Small-sized high-voltage isolating switch for electric vehicle | |
| CN214956613U (en) | Small-sized pneumatic sliding table double-color contact magnetic switch device | |
| CN214380744U (en) | Solar cell panel convenient to installation | |
| CN218518475U (en) | Satellite travel switch pressing device and satellite supporting tool | |
| CN217833439U (en) | Electronic component bearing part | |
| CN213657318U (en) | Drying box | |
| CN211880793U (en) | Electrical control cabinet for data acquisition convenient to overhaul | |
| CN208522101U (en) | A kind of 10 KV distribution net grounding rods | |
| CN219933549U (en) | Television support | |
| CN217280546U (en) | Encoder knob switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201211 |
|
| WW01 | Invention patent application withdrawn after publication |