CN105488987B - A kind of passive and wireless micro-machinery switch array control system - Google Patents
A kind of passive and wireless micro-machinery switch array control system Download PDFInfo
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- CN105488987B CN105488987B CN201610035681.4A CN201610035681A CN105488987B CN 105488987 B CN105488987 B CN 105488987B CN 201610035681 A CN201610035681 A CN 201610035681A CN 105488987 B CN105488987 B CN 105488987B
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- machinery switch
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Train Traffic Observation, Control, And Security (AREA)
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Abstract
The invention discloses a kind of passive and wireless micro-machinery switch array control systems, including signal source (1), transmitting coil (2), passive and wireless micro-machinery switch array element (4)；Signal source (1) is connected transmitting coil (2), transmitting coil (2) and passive and wireless micro-machinery switch array element (4) near-field coupling；Wherein, passive and wireless micro-machinery switch array element (4) includes the passive and wireless micro-machinery switch unit (3) of several array arrangements.The resonance frequency of each switch unit is designed as different in the array of passive and wireless micro-machinery switch unit (3).Therefore, in the array of passive and wireless micro-machinery switch unit (3), the on-off of each switch unit is controlled by the specific output frequency of signal source.
Description
Technical field
The present invention relates to a kind of on-off control systems, and in particular to a kind of passive and wireless micro-machinery switch antenna array control system
System.
Background technique
Switch can be used for controlling the on-off of signal, the array pair that switch arrays control system is made of switch
Multiple groups signal carries out the control of selectivity.The switch used in circuit mainly has mechanical switch and semiconductor switch two major classes.
The advantages of mechanical switch is that its OFF state signals leakiness is very small, the disadvantage is that general volume is larger, switch time delay is longer；Semiconductor
The advantages of switch is that small in size, switching voltage and delay are small, but the disadvantage is that OFF state leakage voltage is larger.Therefore switch arrays
Control system can be semiconductor switch array and be also possible to mechanical switch array.
Passive and wireless switch arrays refer to that switching on-off is by passive and wirelessly realize.Wirelessly refer to control
Part and switch sections do not have wired connection, passive to refer to that switch sections do not have power supply or battery.Existing wireless switching array, one
As put row control into using radio-frequency receiving-transmitting mode is split, battery is needed in switch unit and gives transmission circuit power supply.Because containing
Battery, therefore the service life of this wireless switching array is limited.
Micro-machinery switch is one kind of mechanical switch, and micro Process mode is used to make.Therefore, it is remained mechanically
The very small feature of OFF state signals leakiness of switch, and have advantage small in size, it can be used for the logical of direct current, low frequency or radiofrequency signal
Disconnected control.Since the execution voltage of micro-machinery switch is higher, generally higher than 30V, therefore existing control micro-machinery switch is logical
Disconnected mode is all wired.
Summary of the invention
Goal of the invention: in order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of passive and wireless micro-machinery switch
Array control system, the control by using the mode of passive and wireless to micro-machinery switch array, control mode is easy, saves cloth
The trouble of line is free of power supply or battery in Simultaneous Switching, increases service life.
Technical solution: a kind of passive and wireless micro-machinery switch array control system, including it is signal source, transmitting coil, passive
Wireless microcomputer tool switch arrays unit；The source-series transmitting coil of signal, the transmitting coil and the passive and wireless
Micro-machinery switch array element near-field coupling；
Wherein, the passive and wireless micro-machinery switch array element includes that the passive and wireless micromechanics of several array arrangements is opened
Close unit；The passive and wireless micro-machinery switch unit includes receiving coil, micro-machinery switch, rectification circuit, signal input part
And signal output end；
Wherein, the micro-machinery switch includes movable electrode, contact, bias electrode and output electrode；The rectification circuit
Including resistance, capacitor and rectifier diode；
Capacitor described in the resistor coupled in parallel, the rectifier diode series connection capacitor, the output end of the resistance and institute
State output end of the output end respectively as the rectification circuit of rectifier diode, the input terminal of the rectifier diode with it is described
Input terminal of the input terminal of capacitor respectively as the rectification circuit；The input terminal of the movable electrode and the bias electrode
Input terminal of the input terminal respectively as the micro-machinery switch.
The both ends of the receiving coil are separately connected the input terminal of the rectifier diode and the input terminal of the capacitor, institute
The input terminal for stating resistance connects the input terminal of the movable electrode, and the output end of the resistance connects the input of the bias electrode
End, the output end of the movable electrode connect the signal input part, and it is defeated that the output end of the output electrode connects the signal
Outlet；
The signal input part is the input terminal of the passive and wireless micro-machinery switch unit, and the signal output end is institute
State the output end of wireless and passive micro-machinery switch unit.
Further, the on-off of each micro-machinery switch is controlled by the specific output frequency of the signal source.
The utility model has the advantages that controlling micro-machinery switch array by using the mode of passive and wireless, the trouble of wiring is eliminated,
Easy for installation, mobility is strong, and power supply or battery are not used in switch, saves use cost, increases service life.Passive and wireless
The on-off of each switch unit in micro-machinery switch cell array can be controlled by the specific output frequency of signal source
System, control mode is easy, easy to operate.
Detailed description of the invention
Fig. 1 is the schematic diagram of passive and wireless micro-machinery switch array control system of the invention；
Fig. 2 is passive and wireless micro-machinery switch circuit diagram of the invention.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
As shown in Figure 1, a kind of passive and wireless micro-machinery switch array control system, including signal source 1, transmitting coil 2, nothing
Source wireless microcomputer tool switch arrays unit 4；The series connection transmitting coil 2 of signal source 1, transmitting coil 2 and passive and wireless micro-machinery switch
4 near-field coupling of array element；
Wherein, passive and wireless micro-machinery switch array element 4 includes the passive and wireless micro-machinery switch of several arrays arrangement
Unit 3；As shown in Fig. 2, passive and wireless micro-machinery switch unit 3 includes receiving coil 31, micro-machinery switch 32, rectification circuit
33, signal input part 34 and signal output end 35；
Wherein, micro-machinery switch 32 includes movable electrode 321, contact 322, bias electrode 323 and output electrode 324；It is whole
Current circuit 33 includes resistance 331, capacitor 332 and rectifier diode 333；
331 shunt capacitance 332 of resistance, 333 series capacitance 332 of rectifier diode, two poles of output end and rectification of resistance 331
Output end of the output end of pipe 333 respectively as rectification circuit 33, the input of the input terminal and capacitor 332 of rectifier diode 333
Hold the input terminal respectively as rectification circuit 33；The input terminal of the input terminal of movable electrode 321 and bias electrode 323 respectively as
The input terminal of micro-machinery switch 32.
The both ends of receiving coil 31 are separately connected the input terminal of rectifier diode 333 and the input terminal of capacitor 332, resistance
The input terminal of 331 input terminal connection movable electrode 321, the input terminal of the output end connection bias electrode 323 of resistance 331, can
The output end connection signal input terminal 34 of moving electrode 321, the output end connection signal output end 35 of output electrode 324；
Signal input part 34 is the input terminal of passive and wireless micro-machinery switch unit 3, and signal output end 35 is wireless and passive
The output end of micro-machinery switch unit 3.
The on-off of each micro-machinery switch 31 is controlled by the specific output frequency of signal source, each described passive in array
The resonance frequency of wireless microcomputer tool switch unit 3 is designed to different value, especially by the size of adjustment capacitor 332 and resistance 331
It realizes, the passive and wireless micro-machinery switch unit 3 that the control signal of specific frequency can only make resonance frequency equal thereto is connected,
And other passive and wireless micro-machinery switch units 3 will be too low because of coupling efficiency, be not achieved and switch on voltage, and it is uncontrolled
System；So 1 output frequency value of adjustment signal source is equal to the resonance frequency for the passive and wireless micro-machinery switch unit 3 that needs are opened i.e.
Controllable switch.
Made by the near-field coupling between transmitting coil 2 and the receiving coil of several passive and wireless micro-machinery switch units 3
With the control signal of transmitting coil 2 being coupled on the receiving coil of passive and wireless micro-machinery switch unit 3, adjustment signal source
Output frequency value, when the control signal frequency on transmitting coil 2 is equal with the resonance frequency of switch unit, the coupling of signal is imitated
Rate reaches highest.
Therefore the resonance frequency of switch unit each in array is designed to different value, the control signal of specific frequency can only
Make the switching means conductive that resonance frequency is equal thereto, and other switch units will be too low because of coupling efficiency, and switch is not achieved
Cut-in voltage, and it is uncontrolled；So adjustment signal source output frequency value is equal to the resonance frequency for needing the switch unit opened
Rate, that is, controllable switch.
Micro-machinery switch array control system of the invention, control mode is simple, easy to operate, saves the trouble of wiring, moves
Dynamic property is strong, and power supply or battery are not used in switch, saves use cost, increases service life.Passive and wireless micro-machinery switch
The on-off of each switch unit in cell array can be controlled, control mode by the specific output frequency of signal source
Simplicity, it is easy to operate.
Has usually intellectual in technical field of the present invention, without departing from the spirit and scope of the present invention, when can
Make various change and retouching.Therefore, the scope of protection of the present invention is defined by those of the claims.
Claims (2)
1. a kind of passive and wireless micro-machinery switch array control system, it is characterised in that: including signal source (1), transmitting coil
(2), passive and wireless micro-machinery switch array element (4)；Signal source (1) series connection transmitting coil (2), the emission lines
Enclose (2) and passive and wireless micro-machinery switch array element (4) near-field coupling；
Wherein, the passive and wireless micro-machinery switch array element (4) includes that the passive and wireless micromechanics of several array arrangements is opened
It closes unit (3)；The passive and wireless micro-machinery switch unit (3) includes receiving coil (31), micro-machinery switch (32), rectified current
Road (33), signal input part (34) and signal output end (35)；
Wherein, the micro-machinery switch (32) includes movable electrode (321), contact (322), bias electrode (323) and output electricity
Pole (324)；The rectification circuit (33) includes resistance (331), capacitor (332) and rectifier diode (333)；
The resistance (331) capacitor (332) in parallel, rectifier diode (333) series connection capacitor (332) are described
The output of the output end of resistance (331) and the output end of the rectifier diode (333) respectively as the rectification circuit (33)
End, the input terminal of the rectifier diode (333) and the input terminal of the capacitor (332) are respectively as the rectification circuit (33)
Input terminal；The input terminal of the movable electrode (321) and the input terminal of the bias electrode (323) are respectively as the microcomputer
Tool switchs the input terminal of (32)；
The both ends of the receiving coil (31) are separately connected the input terminal and the capacitor (332) of the rectifier diode (333)
Input terminal, the input terminal of the resistance (331) connects the input terminal of the movable electrode (321), the resistance (331) it is defeated
Outlet connects the input terminal of the bias electrode (323), and the output end of the movable electrode (321) connects the signal input part
(34), the output end of the output electrode (324) connects the signal output end (35)；
The signal input part (34) is the input terminal of the passive and wireless micro-machinery switch unit (3), the signal output end
It (35) is the output end of the passive and wireless micro-machinery switch unit (3).
2. passive and wireless micro-machinery switch array control system according to claim 1, it is characterised in that: each described micro-
The on-off of mechanical switch (32) is all controlled by the output frequency of the signal source (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610035681.4A CN105488987B (en) | 2016-01-19 | 2016-01-19 | A kind of passive and wireless micro-machinery switch array control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610035681.4A CN105488987B (en) | 2016-01-19 | 2016-01-19 | A kind of passive and wireless micro-machinery switch array control system |
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| CN105488987A CN105488987A (en) | 2016-04-13 |
| CN105488987B true CN105488987B (en) | 2018-12-28 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799360A (en) * | 2017-09-27 | 2018-03-13 | 东南大学 | A kind of integrated form passive and wireless micro-machinery switch and preparation method thereof |
| CN110938534B (en) * | 2019-11-20 | 2022-07-29 | 东南大学 | Passive wireless cell sorting system |
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