CN113640544A - Moving coil switchable accelerometer and switching method of logic gate switch thereof - Google Patents
Moving coil switchable accelerometer and switching method of logic gate switch thereof Download PDFInfo
- Publication number
- CN113640544A CN113640544A CN202110789461.1A CN202110789461A CN113640544A CN 113640544 A CN113640544 A CN 113640544A CN 202110789461 A CN202110789461 A CN 202110789461A CN 113640544 A CN113640544 A CN 113640544A
- Authority
- CN
- China
- Prior art keywords
- enameled wire
- logic gate
- magnetic
- binding post
- switch
- 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.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/0802—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/125—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by capacitive pick-up
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/13—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by measuring the force required to restore a proofmass subjected to inertial forces to a null position
- G01P15/132—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by measuring the force required to restore a proofmass subjected to inertial forces to a null position with electromagnetic counterbalancing means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
The invention relates to a movable coil switchable accelerometer and a switching method of a logic gate selector switch thereof. The problem that when the existing accelerometer is in a severe working condition, the high-frequency oscillation coupled to the pendulous reed often causes failure of a moving coil assembly, and further the function of the accelerometer is lost is solved. In the movable coil switchable accelerometer provided by the invention, the non-magnetic enameled wire A 'binding post and the non-magnetic enameled wire B' binding post are simultaneously arranged on the upper yoke iron or the lower yoke iron and are respectively connected with the corresponding gold-plated areas of the non-magnetic enameled wire A 'and the non-magnetic enameled wire B' on the front and back surfaces of the wobble plate through metal wires, so that the non-magnetic enameled wire A 'and the non-magnetic enameled wire B' are led out, and a logic gate change-over switch is connected in series between the led-out non-magnetic enameled wire A 'and the led-out non-magnetic enameled wire B'. According to the method, when the main switch of the logic gate is abnormally disconnected, the coil of the upper moving coil or the coil of the lower moving coil assembly can be intelligently switched to serve as the working coil.
Description
Technical Field
The invention relates to an accelerometer, in particular to a moving coil switchable accelerometer and a switching method of a logic gate selector switch thereof.
Background
A quartz accelerometer among conventional accelerometers is an inertial navigation device that measures acceleration using newton's second law (law of inertia), is widely used in navigation systems such as spaceships, is one of the core components of the navigation systems, and is an accelerometer that detects acceleration using the principle of differential capacitance. The specific detection process is as follows: the accelerometer senses input acceleration through the detection mass, and when acceleration load exists in the direction of an input shaft of the accelerometer, the detection mass deviates from a balance position under the action of inertia force and performs deflection motion around the flexible pivot. The differential capacitance sensor composed of the upper yoke iron, the lower yoke iron and the pendulous reed of the accelerometer outputs differential capacitance, the differential capacitance of the upper yoke iron and the lower yoke iron is converted into a certain amount of current through a differential capacitance detector which is connected with a servo circuit through a non-magnetic enameled wire, the certain amount of current becomes balance current after integral amplification and is output to a torquer coil (namely a moving coil component adhered to the front surface and the back surface of the pendulous reed), the electromagnetic force generated when the balance current flows through the coil forms balance torque which is equal to the inertia torque in numerical value and opposite in direction, and the balance current and the acceleration are in a positive proportion relation.
The existing quartz accelerometer mainly comprises an upper torquer, a lower torquer and a pendulum piece made of quartz material, and sensitive components of the existing quartz accelerometer are shown in fig. 1 and comprise a lower end face (ground) of an upper yoke iron 020 of the upper torquer, a front face (positive capacitor plate) of the pendulum piece 01, a back face (negative capacitor plate) of the pendulum piece 01 and an upper end face (ground) of a lower yoke iron 030 of the lower torquer. The lower end face (ground) of the upper yoke 020 and the front face (positive of the capacitor plate) of the pendulum plate 01 form C +, and the upper end face (ground) of the lower yoke 030 and the back face (negative of the capacitor plate) of the pendulum plate 01 form C-. The front and back surfaces of the pendulum plate 01 are both bonded with moving coil assemblies to form the pendulum plate 01 with sensitive mass, the pendulum plate 01 with sensitive mass changes along with the acceleration, the gap between the pendulum plate 01 and the upper yoke 020 and the gap between the pendulum plate 01 and the lower yoke 030 changes to cause the capacitance difference to change (delta C ═ C +) - (C-)), a capacitance signal is converted into current through a servo circuit, and the magnitude of the acceleration is reflected through the magnitude of the current.
The specific structure of the accelerometer, as shown in fig. 2 to 8, includes an upper torquer, a lower torquer and a pendulum plate 01, where the upper torquer includes an upper yoke 020, an upper moving coil assembly 021, and a lower terminal 022 of the torquer, a higher terminal 023 of the torquer, a positive terminal 024 of the sensor, a negative terminal 025 of the sensor, and a ground terminal 026 of the torquer, which are disposed on the upper yoke 020; the lower torquer comprises a lower yoke 030 and a lower moving coil assembly 031; the swinging piece 01 comprises a central piece, an outer ring piece which is concentrically arranged with the central piece, and a swinging beam which connects the central piece and the outer ring piece; the upper moving coil assembly 021 and the lower moving coil assembly 031 are respectively arranged at the upper surface and the lower surface of the central sheet, the upper moving coil assembly 021 leads out a non-magnetic enameled wire A and a non-magnetic enameled wire A 'from a welding window of a moving coil framework of the upper moving coil assembly, and the lower moving coil assembly 031 leads out a non-magnetic enameled wire B and a non-magnetic enameled wire B' from a welding window of a moving coil framework of the lower moving coil assembly; the non-magnetic enameled wire A is welded on a gold-plated area on the upper surface of the wobble plate 01 and then is led out by a metal wire to be connected with the high-end binding post 023 of the torquer, the non-magnetic enameled wire B is welded on the gold-plated area on the lower surface of the wobble plate 01 and is led out by the metal wire to be connected with the low-end binding post 022 of the torquer after being conducted with the gold-plated area on the upper surface of the wobble plate 01 through the gold-plated area on the inner side wall of the outer ring plate, and the non-magnetic enameled wire A 'and the non-magnetic enameled wire B' are respectively welded on the gold-plated areas on the upper surface and the lower surface of the wobble plate 01; the ground wire binding post 026 is directly welded on the lower yoke 030; the positive terminal 024 of the sensor is connected with a gold-plated area on the upper surface of the swinging piece 01 through a metal wire, the negative terminal 025 of the sensor is connected with another gold-plated area on the upper surface of the swinging piece 01 through a metal wire, and the gold-plated area is connected with a corresponding gold-plated area on the lower surface of the swinging piece 01 through a gold-plated area on the inner side wall of the outer ring piece; the non-magnetic enameled wire A 'and the non-magnetic enameled wire B' are respectively welded on the gold-plated areas on the upper surface and the lower surface of the swinging piece 01 and are conducted through plating metal films on the side surfaces of the swinging piece 01, so that the upper moving coil assembly and the lower moving coil assembly are connected in series. However, since the pendulous reed 01 can generate high-frequency oscillation at a frequency of more than 500KHz, in practical application, when the pendulous working condition is met, the high-frequency oscillation coupled to the pendulous reed 01 greatly tests the reliability of the welding of the coils of the upper and lower moving coil assemblies, and the failure of the moving coil assemblies often occurs, so that the function of the accelerometer is lost.
Disclosure of Invention
The invention aims to solve the technical problem that the function of an existing accelerometer is lost due to the fact that a moving coil component is often disabled due to high-frequency oscillation coupled to a swinging sheet when the existing accelerometer is in a severe working condition, and provides a moving coil switchable accelerometer and a switching method of a logic gate selector switch thereof.
In order to solve the technical problems, the technical solution provided by the invention is as follows:
a movable coil switchable accelerometer comprises an upper torquer, a lower torquer and a swinging sheet, wherein the upper torquer comprises an upper yoke and an upper movable coil assembly; the lower torquer comprises a lower yoke iron, a lower moving coil assembly, a torquer low-end binding post and a torquer high-end binding post, wherein the torquer low-end binding post and the torquer high-end binding post are arranged on the lower yoke iron; the upper moving coil component leads out a non-magnetic enameled wire A and a non-magnetic enameled wire A 'from a welding window of a moving coil framework of the upper moving coil component, and the lower moving coil component leads out a non-magnetic enameled wire B and a non-magnetic enameled wire B' from a welding window of a moving coil framework of the lower moving coil component; the non-magnetic enameled wire A is welded on a corresponding gold-plated area of the upper surface of the swinging piece and then is led out through a metal wire to be connected with the high-end binding post of the torquer, the non-magnetic enameled wire B is welded on a corresponding gold-plated area of the lower surface of the swinging piece, and is led out through the metal wire to be connected with the low-end binding post of the torquer after the gold-plated area of the inner side wall of the outer ring piece of the swinging piece is conducted with the corresponding gold-plated area of the upper surface of the swinging piece, and the non-magnetic enameled wire A 'and the non-magnetic enameled wire B' are respectively welded on corresponding gold-plated areas of the upper surface and the lower surface of the swinging piece;
it is characterized in that:
the magnetic control switch is characterized by further comprising a logic gate change-over switch, and a non-magnetic enameled wire A 'binding post and a non-magnetic enameled wire B' binding post which are arranged on the upper yoke iron or the lower yoke iron at the same time;
the corresponding gold-plated area of the non-magnetic enameled wire A 'is connected with a binding post of the non-magnetic enameled wire A' through a metal wire;
the corresponding gold-plated area of the non-magnetic enameled wire B 'is connected with a binding post of the non-magnetic enameled wire B' through a metal wire;
two ends of the logic gate change-over switch are respectively connected with the non-magnetic enameled wire A 'binding post and the non-magnetic enameled wire B' binding post;
the logic gate change-over switch comprises a logic gate main switch, a logic gate first switch and a logic gate second switch;
one end of the logic gate main switch is connected with a binding post of a non-magnetic enameled wire A ', and the other end of the logic gate main switch is connected with a binding post of a non-magnetic enameled wire B';
one end of the first switch of the logic gate is connected with a high-end binding post of the torque converter, and the other end of the first switch of the logic gate is connected with a binding post of a non-magnetic enameled wire B';
one end of the second switch of the logic gate is connected with a binding post of the nonmagnetic enameled wire A', and the other end is connected with a binding post of the low end of the torquer.
Further, the binding posts of the non-magnetic enameled wires A 'and the binding posts of the non-magnetic enameled wires B' are staggered vertically and horizontally.
Further, the metal wire is a gold wire.
Meanwhile, the invention also provides a switching method of the logic gate change-over switch in the movable coil switchable accelerometer, which is characterized by comprising the following steps of:
1) the movable coil switchable accelerometer is powered on, when the logic gate change-over switch is in a normal state, the logic gate main switch is in a closed state, and the logic gate first switch and the logic gate second switch are both in an open state;
2) judging whether the output of the movable coil switchable accelerometer is normal or not, if so, executing the step 3); if not, disconnecting the main switch of the logic gate, closing the second switch of the logic gate, and then continuously judging whether the output of the movable coil switchable accelerometer is normal, if so, executing the step 3); if not, opening the second switch of the logic gate, closing the first switch of the logic gate, and then executing the step 3);
3) and the movable coil switchable accelerometer starts to work normally.
Compared with the prior art, the invention has the following beneficial effects:
1. in the movable coil switchable accelerometer provided by the invention, for the non-magnetic enameled wire A 'and the non-magnetic enameled wire B' which are respectively connected to the front side and the back side of the pendulum piece, the side surface of the pendulum piece is not plated with a metal film for conduction in the prior art, but the non-magnetic enameled wire A 'binding post and the non-magnetic enameled wire B' binding post are simultaneously arranged on the upper yoke or the lower yoke, and the non-magnetic enameled wire A 'and the non-magnetic enameled wire B' are respectively connected with the corresponding gold-plated areas through metal wires, so that the non-magnetic enameled wire A 'and the non-magnetic enameled wire B' are led out, a logic gate switch is connected between the leading-out wires of the non-magnetic enameled wire A 'binding post and the non-magnetic enameled wire B' binding post, when the logic gate switch is abnormally disconnected, the open circuit of the upper movable coil assembly and the lower movable coil assembly can be intelligently switched to be used as a working coil, the upper torquer and the lower torquer of the accelerometer are switched, so that the 'secondary utilization' of the accelerometer is realized, and the reliability of the accelerometer is improved. The logic gate change-over switch is connected in series between the non-magnetic enameled wire A 'of the upper moving coil assembly and the non-magnetic enameled wire B' of the lower moving coil assembly, so that the electrical performance of the upper moving coil assembly and the electrical performance of the lower moving coil assembly of the accelerometer are separated, and the modular processing of the upper moving coil assembly and the lower moving coil assembly is realized.
2. According to the movable coil switchable accelerometer and the switching method of the logic gate change-over switch thereof, when the logic gate change-over switch is in an off state, the non-magnetic enameled wire A 'of the upper movable coil component and the non-magnetic enameled wire B' of the lower movable coil component are connected together, so that the coils of the upper movable coil component and the lower movable coil component are connected in series, and the functions of the accelerometer are consistent with those of the conventional accelerometer; when the logic gate change-over switch is in an 'on' state, the upper coil and the lower coil are separated from each other, and the non-magnetic enameled wire A 'of the upper moving coil assembly and the non-magnetic enameled wire B' of the lower moving coil assembly are respectively connected with the high end and the low end of the torquer through the logic gate change-over switch.
3. According to the movable coil switchable accelerometer provided by the invention, on the premise of convenient welding, the wiring terminal of the non-magnetic enameled wire A 'and the wiring terminal of the non-magnetic enameled wire B' which are arranged on the upper yoke or the lower yoke at the same time are arranged in a vertically and horizontally staggered manner, so that the contact between metal wires respectively led out from the wiring terminal of the non-magnetic enameled wire A 'and the wiring terminal of the non-magnetic enameled wire B' is avoided.
Drawings
FIG. 1 is a schematic diagram of a prior art quartz accelerometer sensitive component;
FIG. 2 is a schematic structural diagram of an upper yoke of a conventional quartz accelerometer;
FIG. 3 is a schematic structural diagram of a pendulous reed in a conventional quartz accelerometer;
FIG. 4 is a schematic structural diagram of an upper moving coil assembly and a lower moving coil assembly in a conventional quartz accelerometer;
FIG. 5 is a schematic view of the connection of non-magnetic enameled wires of upper and lower moving coil assemblies in a conventional quartz accelerometer;
FIG. 6 is a schematic diagram of an electrical structure of an upper surface of a pendulum mass in a conventional quartz accelerometer;
FIG. 7 is a schematic diagram of an electrical structure of a lower surface of a pendulous reed in a conventional quartz accelerometer;
FIG. 8 is a schematic structural diagram of a prior art quartz accelerometer;
FIG. 9 is a schematic structural diagram of a lower yoke of a moving-coil switchable accelerometer according to the present invention;
fig. 10 is a schematic structural diagram of a wobble plate in a moving coil switchable accelerometer of the invention, which further shows a non-magnetic enameled wire a 'binding post and a non-magnetic enameled wire B' binding post, the non-magnetic enameled wire a 'binding post is connected with a metal wire a led out from the non-magnetic enameled wire a, the non-magnetic enameled wire B' binding post is connected with a metal wire B led out from the non-magnetic enameled wire B, an area c circled in the drawing corresponds to a metal film position where a metal film is plated on the side surface of the wobble plate in a corresponding gold-plated area of the non-magnetic enameled wire a 'and the non-magnetic enameled wire B' in the prior art, and the metal film for conduction is not plated at the position on the side surface of the wobble plate in the invention;
FIG. 11 is a schematic diagram of the structure of the movable coil assembly between the coils of the upper and lower movable coil assemblies in the movable coil switchable accelerometer of the present invention when the switch is closed (connected in series);
FIG. 12 is a schematic structural diagram of the movable coil assembly of the present invention between the coils when the switch is open (open);
FIG. 13 is a schematic diagram of the connection between the coils of the upper and lower moving coil assemblies and the logic gate switch of the moving coil switchable accelerometer of the present invention, where e represents the high end of the moment device, and f represents the low end of the moment device;
FIG. 14 is a schematic structural diagram of the back surface (lower surface) of the lower yoke and the switch of the logic gate in the moving-coil switchable accelerometer according to the present invention;
FIG. 15 is a schematic structural diagram of a moving-coil switchable accelerometer according to the present invention;
fig. 16 is a flowchart of a switching method of a logic gate switch in the moving-coil switchable accelerometer of the present invention, in which a switch 1 is a first switch of a logic gate, and a switch 2 is a second switch of the logic gate;
description of reference numerals:
in fig. 2 to 8 (prior art):
01-pendulum piece, 020-upper yoke, 021-upper moving coil component, 030-lower yoke, 031-lower moving coil component, 022-lower end binding post of torquer, 023-high end binding post of torquer, 024-positive terminal binding post of sensor, 025-negative terminal binding post of sensor, 026-ground binding post;
in fig. 9 to 15 (invention):
the sensor comprises a 1-swing piece, 20-upper yoke iron, 21-upper moving coil component, 30-lower yoke iron, 31-lower moving coil component, 32-lower end binding post of a torquer, 33-high end binding post of the torquer, 34-positive end binding post of a sensor, 35-negative end binding post of the sensor, 4-non-magnetic enameled wire A 'binding post, 5-non-magnetic enameled wire B' binding post, 6-logic gate change-over switch, 61-logic gate main switch, 62-logic gate first switch and 63-logic gate second switch.
Detailed Description
The invention is further described below with reference to the figures and examples.
A moving coil switchable accelerometer, as shown in fig. 9 to 15, comprising an upper torquer, a lower torquer, a pendulum piece 1, a non-magnetic enameled wire a 'binding post 4, a non-magnetic enameled wire B' binding post 5 and a logic gate switch 6. Wherein, the upper torquer comprises an upper yoke iron 20 and an upper moving coil component 21; the lower torquer comprises a lower yoke 30, a lower moving coil assembly 31, a torquer low-end binding post 32, a torquer high-end binding post 33, a sensor positive-end binding post 34, a sensor negative-end binding post 35 and a ground binding post, wherein the torquer low-end binding post, the torquer high-end binding post 33, the sensor positive-end binding post and the sensor negative-end binding post are arranged on the lower yoke 30; the swinging piece 1 comprises a central piece, an outer ring piece which is concentrically arranged with the central piece, and a swinging beam which connects the central piece and the outer ring piece; the upper moving coil assembly 21 and the lower moving coil assembly 31 are respectively arranged at the upper surface and the lower surface of the central piece, the upper moving coil assembly 21 leads out a non-magnetic enameled wire A and a non-magnetic enameled wire A 'from a welding window of a moving coil framework of the upper moving coil assembly 21, and the lower moving coil assembly 31 leads out a non-magnetic enameled wire B and a non-magnetic enameled wire B' from a welding window of a moving coil framework of the lower moving coil assembly 31.
The non-magnetic enameled wire A is welded on a corresponding gold-plated area on the upper surface of the pendulum piece 1 and then is led out through a metal wire to be connected with the high-end binding post 33 of the torquer, the non-magnetic enameled wire B is welded on a corresponding gold-plated area on the lower surface of the pendulum piece 1 and is led out through a metal wire to be connected with the low-end binding post 32 of the torquer after being conducted with the corresponding gold-plated area on the upper surface of the pendulum piece 1 through the gold-plated area on the inner side wall of the outer ring piece, and the non-magnetic enameled wire A 'and the non-magnetic enameled wire B' are respectively welded on the corresponding gold-plated areas on the upper surface and the lower surface of the pendulum piece 1; the ground wiring terminal is directly welded on the lower yoke 30; the sensor positive terminal 34 is connected with a gold-plated area on the upper surface of the wobble plate 1 through a metal wire, the sensor negative terminal 35 is connected with another gold-plated area on the upper surface of the wobble plate 1 through a metal wire, and the gold-plated area is connected with a corresponding gold-plated area on the lower surface of the wobble plate 1 through a gold-plated area on the inner side wall of the outer ring plate; the binding post 4 of the non-magnetic enameled wire A 'and the binding post 5 of the non-magnetic enameled wire B' are simultaneously arranged on the lower yoke iron 30 (or the upper yoke iron 20); the corresponding gold-plated area of the non-magnetic enameled wire A 'is connected with a binding post 4 of the non-magnetic enameled wire A' through a metal wire; and the corresponding gold-plated area of the non-magnetic enameled wire B 'is connected with a binding post 5 of the non-magnetic enameled wire B' through a metal wire. On the premise of convenient welding, the binding posts 4 and 5 of the non-magnetic enameled wires A 'and B' which are arranged on the lower yoke 30 are staggered vertically and horizontally, so that the metal wires respectively led out from the non-magnetic enameled wires A '4 and the non-magnetic enameled wires B' are prevented from contacting with each other, and all the metal wires adopt gold wires.
The logic gate change-over switch 6 is connected between the binding post 4 of the non-magnetic enameled wire A 'and the binding post 5 of the non-magnetic enameled wire B'; the logic gate change-over switch 6 comprises a logic gate main switch 61, a logic gate first switch 62 and a logic gate second switch 63; one end of the logic gate main switch 61 is connected with a binding post 4 of a non-magnetic enameled wire A ', and the other end is connected with a binding post 5 of a non-magnetic enameled wire B'; one end of the first switch 62 of the logic gate is connected with the high-end binding post 33 of the moment relay, and the other end is connected with the binding post 5 of the non-magnetic enameled wire B'; one end of the second switch 63 of the logic gate is connected with the binding post 4 of the nonmagnetic enameled wire A', and the other end is connected with the binding post 32 at the lower end of the torquer.
As shown in fig. 16, a switching method based on a logic gate switch in a moving coil switchable accelerometer includes the following steps:
1) when the movable coil switchable accelerometer is powered on, and the logic gate change-over switch 6 is in a normal state (a default state), the logic gate main switch 61 is in a closed state, the logic gate first switch 62 and the logic gate second switch 63 are both in an open state, and at the moment, the coils of the upper movable coil assembly 21 and the lower movable coil assembly 31 are connected in series and are both working coils;
2) judging whether the output of the movable coil switchable accelerometer is normal (the output is abnormal when the output has a maximum value or a minimum value), and if so, executing the step 3); if not, the logic gate main switch 61 is switched off, the logic gate second switch 63 is switched on, the coil of the upper moving coil assembly 21 is a working coil, then whether the output of the moving coil switchable accelerometer is normal or not is continuously judged, and if yes, the step 3) is executed; if not, the second switch 63 of the logic gate is opened, the first switch 62 of the logic gate is closed, and at this time, the coil of the lower moving coil assembly 31 is a working coil, and then step 3) is executed;
3) and the movable coil switchable accelerometer starts to work normally.
In the accelerometer, the nonmagnetic enameled wire A 'and the nonmagnetic enameled wire B' which are respectively connected to corresponding gold-plated areas on the front side and the back side of the pendulum piece 1 are arranged on the upper yoke iron 20 or the lower yoke iron 30, the nonmagnetic enameled wire A 'binding post 4 and the nonmagnetic enameled wire B' binding post 5 are arranged at the same time, the nonmagnetic enameled wire A 'and the nonmagnetic enameled wire B' are led out after the open circuit is realized through the metal wire, and the logic gate change-over switch 6 is connected in series between the led nonmagnetic enameled wire A 'and the nonmagnetic enameled wire B', so that after the coil of the upper moving coil assembly 21 and the coil of the lower moving coil assembly 31 are opened due to the abnormal disconnection of the logic gate main switch 61, the coil of the upper moving coil assembly or the coil of the lower moving coil assembly can be intelligently switched to serve as a working coil to connect the high end and the low end of the torquer, the switching between the upper torquer and the lower torquer is realized, thereby realizing the 'secondary utilization' of the accelerometer, thereby improving the reliability of the accelerometer. Namely, the logic gate change-over switch 6 is connected in series between the non-magnetic enameled wire A 'of the upper moving coil component 21 and the non-magnetic enameled wire B' of the lower moving coil component 31, so that the electrical properties of the upper moving coil component 31 and the lower moving coil component 31 of the accelerometer are separated, and the modular processing of the upper moving coil component 31 and the lower moving coil component 31 is realized. When the logic gate change-over switch 6 is in an off state, the non-magnetic enameled wire A 'is connected with the non-magnetic enameled wire B' of the lower moving coil assembly 31 in series, so that the coils of the upper moving coil assembly 21 and the lower moving coil assembly 31 are connected in series, and the functions of the upper moving coil assembly 21 and the lower moving coil assembly 31 are consistent with those of the conventional accelerometer; when the logic gate change-over switch 6 is in an 'on' state, the upper coil and the lower coil are separated from each other, and the non-magnetic enameled wire A 'of the upper moving coil component and the non-magnetic enameled wire B' of the lower moving coil component are respectively connected with the high end and the low end of the torquer through the logic gate change-over switch.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and it is obvious for a person skilled in the art to modify the specific technical solutions described in the foregoing embodiments or to substitute part of the technical features, and these modifications or substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions protected by the present invention.
Claims (4)
1. A movable coil switchable accelerometer comprises an upper torquer, a lower torquer and a swinging sheet (1), wherein the upper torquer comprises an upper yoke (20) and an upper movable coil assembly (21); the lower torquer comprises a lower yoke (30), a lower moving coil assembly (31), a torquer low-end binding post (32) and a torquer high-end binding post (33) which are arranged on the lower yoke (30); the upper moving coil assembly (21) leads out a non-magnetic enameled wire A and a non-magnetic enameled wire A 'from a welding window of a moving coil framework, and the lower moving coil assembly (31) leads out a non-magnetic enameled wire B and a non-magnetic enameled wire B' from a welding window of a moving coil framework; the non-magnetic enameled wire A is welded on a corresponding gold-plated area of the upper surface of the swinging piece (1), and then is led out and connected with a high-end binding post (33) of the torquer through a metal wire, the non-magnetic enameled wire B is welded on a corresponding gold-plated area of the lower surface of the swinging piece (1), and is led out and connected with a low-end binding post (32) of the torquer through the metal wire after the gold-plated area of the inner side wall of the outer ring piece of the swinging piece (1) is conducted with the corresponding gold-plated area of the upper surface of the swinging piece (1), and the non-magnetic enameled wire A 'and the non-magnetic enameled wire B' are respectively welded on the corresponding gold-plated areas of the upper surface and the lower surface of the swinging piece (1);
the method is characterized in that:
the magnetic control switch is characterized by further comprising a logic gate change-over switch (6), and a non-magnetic enameled wire A 'binding post (4) and a non-magnetic enameled wire B' binding post (5) which are arranged on the upper yoke (20) or the lower yoke (30) at the same time;
the corresponding gold-plated area of the non-magnetic enameled wire A 'is connected with a binding post (4) of the non-magnetic enameled wire A' through a metal wire;
the corresponding gold-plated area of the non-magnetic enameled wire B 'is connected with a binding post (5) of the non-magnetic enameled wire B' through a metal wire;
two ends of the logic gate change-over switch (6) are respectively connected with a non-magnetic enameled wire A 'binding post (4) and a non-magnetic enameled wire B' binding post (5);
the logic gate change-over switch (6) comprises a logic gate main switch (61), a logic gate first switch (62) and a logic gate second switch (63);
one end of the logic gate main switch (61) is connected with a non-magnetic enameled wire A 'binding post (4), and the other end of the logic gate main switch is connected with a non-magnetic enameled wire B' binding post (5);
one end of the first switch (62) of the logic gate is connected with a high-end binding post (33) of the moment relay, and the other end of the first switch is connected with a binding post (5) of a non-magnetic enameled wire B';
one end of the second switch (63) of the logic gate is connected with the binding post (4) of the nonmagnetic enameled wire A', and the other end is connected with the binding post (32) at the lower end of the torquer.
2. The moving-coil switchable accelerometer of claim 1, wherein:
the binding posts (4) of the non-magnetic enameled wires A 'and the binding posts (5) of the non-magnetic enameled wires B' are staggered vertically and horizontally.
3. The moving-coil switchable accelerometer of claim 1 or 2, wherein:
the metal wire is a gold wire.
4. A method for switching a logic gate switch in a moving-coil switchable accelerometer according to claim 1, 2 or 3, comprising the steps of:
1) the movable coil switchable accelerometer is electrified, when the logic gate change-over switch (6) is in a normal state, the logic gate main switch (61) is in a closed state, and the logic gate first switch (62) and the logic gate second switch (63) are both in an open state;
2) judging whether the output of the movable coil switchable accelerometer is normal or not, if so, executing the step 3); if not, disconnecting the logic gate main switch (61), closing the logic gate second switch (63), and then continuously judging whether the output of the movable coil switchable accelerometer is normal, if so, executing the step 3); if not, opening the second switch (63) of the logic gate, closing the first switch (62) of the logic gate, and then executing the step 3);
3) and the movable coil switchable accelerometer starts to work normally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110789461.1A CN113640544B (en) | 2021-07-13 | 2021-07-13 | Moving-coil switchable accelerometer and switching method of logic gate switch thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110789461.1A CN113640544B (en) | 2021-07-13 | 2021-07-13 | Moving-coil switchable accelerometer and switching method of logic gate switch thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113640544A true CN113640544A (en) | 2021-11-12 |
| CN113640544B CN113640544B (en) | 2023-07-18 |
Family
ID=78417165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110789461.1A Active CN113640544B (en) | 2021-07-13 | 2021-07-13 | Moving-coil switchable accelerometer and switching method of logic gate switch thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113640544B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5890175A (en) * | 1981-11-25 | 1983-05-28 | Tokyo Keiki Co Ltd | Accelerometer |
| US20060059988A1 (en) * | 2004-09-23 | 2006-03-23 | Innalabs Technologies, Inc. | Magnetofluidic accelerometer with non-magnetic film on drive magnets |
| CN106918720A (en) * | 2017-04-10 | 2017-07-04 | 浙江大学 | A kind of filament restricted type acceleration transducer |
| US20180306835A1 (en) * | 2016-02-25 | 2018-10-25 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | High-precision pendulous accelerometer |
| CN109164273A (en) * | 2018-07-24 | 2019-01-08 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of accelerometer permanent magnet moment-meter |
-
2021
- 2021-07-13 CN CN202110789461.1A patent/CN113640544B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5890175A (en) * | 1981-11-25 | 1983-05-28 | Tokyo Keiki Co Ltd | Accelerometer |
| US20060059988A1 (en) * | 2004-09-23 | 2006-03-23 | Innalabs Technologies, Inc. | Magnetofluidic accelerometer with non-magnetic film on drive magnets |
| US20180306835A1 (en) * | 2016-02-25 | 2018-10-25 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | High-precision pendulous accelerometer |
| CN106918720A (en) * | 2017-04-10 | 2017-07-04 | 浙江大学 | A kind of filament restricted type acceleration transducer |
| CN109164273A (en) * | 2018-07-24 | 2019-01-08 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of accelerometer permanent magnet moment-meter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113640544B (en) | 2023-07-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Sakata et al. | Micromachined relay which utilizes single crystal silicon electrostatic actuator | |
| Hosaka et al. | Electromagnetic microrelays: concepts and fundamental characteristics | |
| CN202917398U (en) | Self-adjusting zero-crossing control circuit for electromagnetic relay | |
| CN101218654A (en) | MEMS switching device protection | |
| WO1999042843A1 (en) | Semiconductor acceleration sensor and self-diagnosis thereof | |
| CN103443895A (en) | Electromagnetic opening/closing device | |
| CA2097965C (en) | Electromagnetic relay | |
| CN113640544A (en) | Moving coil switchable accelerometer and switching method of logic gate switch thereof | |
| CN100409386C (en) | Method for determining the remaining service life of a switching device and corresponding assembly | |
| CN112285381B (en) | MEMS inertial switch with adjustable threshold | |
| EP0309255A1 (en) | Apparatus and process for detecting direct current magnetic flux deflections of an electrical transformer | |
| CN107994807B (en) | Low-vibration threshold monitoring secondary energy collector based on ferromagnetic cantilever beam | |
| CN113219206B (en) | Graphene accelerometer | |
| CN113640545A (en) | Equivalent adjustable accelerometer and internal fault rapid positioning method thereof | |
| Borwick et al. | A hybrid approach to low-voltage MEMS switches | |
| CN108369880B (en) | Auxiliary circuit for a relay circuit of a micro-electromechanical system | |
| CN101504896B (en) | Bi-stable acceleration induction micro-switch based on adhesion | |
| CN1124632C (en) | Bistable starter | |
| JP2003178915A (en) | Magnet system | |
| CN113488350B (en) | Device and method for improving action judgment accuracy of vacuum switch of permanent magnet mechanism | |
| KR102627335B1 (en) | Switching assembly and method for measuring a position of a contact bridge in a switch-ing assembly | |
| US4503410A (en) | Electromagnetic miniature relay | |
| CN115248373A (en) | Relay adhesion detection method and device | |
| CN206363956U (en) | Balanced type single-pole double-throw relay with super low-power consumption | |
| CN2465312Y (en) | No power consumption ac contact |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |