CN206004638U - Nothing the ultra-thin DC solid-state relay of medium couples isolated form - Google Patents
Nothing the ultra-thin DC solid-state relay of medium couples isolated form Download PDFInfo
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- CN206004638U CN206004638U CN201620896218.4U CN201620896218U CN206004638U CN 206004638 U CN206004638 U CN 206004638U CN 201620896218 U CN201620896218 U CN 201620896218U CN 206004638 U CN206004638 U CN 206004638U
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Abstract
The utility model provides a kind of nothing the ultra-thin DC solid-state relay of medium couples isolated form，Which includes shell and is arranged on the wiring board of inside the shell，The wiring board is provided with the input circuit being sequentially connected、Oscillating circuit connects、Coil windings and on-off circuit，Coil windings are made up of the oscillator coil of oscillating circuit and induction coil，The oscillator coil etches a layer or side of assist side，And become disk to be distributed，Another layer of the induction coil etching assist side or opposite side，And fit with oscillator coil，And insulating barrier is set between oscillator coil and induction coil，Sensing output drives MOFET switching tube using detection rectification circuit，The utility model passes through the design using coil windings and oscillating circuit，Realize nothing medium transmission，While can be without the need for magnetic transformer，Without magnetic elements，While by coil windings are directly etched in the circuit board，To realize ultra-thin design.
Description
Technical field
The utility model is related to a kind of nothing the ultra-thin DC solid-state relay of medium couples isolated form.
Background technology
With solid-state relay as electronic switch, because of its connecting and disconnecting mechanical contact component, so it is than common electricity
Magnetic relay operating switch speed is fast, noiseless and spark, and reliability is high, and required input control electric current is less, can and PLC,
DCS control system and COMS circuit compatibility.Therefore, solid-state relay is had a wide range of applications automatically controlling.In addition, changing
Work, explosion-proof, moistureproof, anticorrosion are needed the occasion such as to be isolated with forceful electric power and suffer from extensive purposes.
DC solid-state relay is a kind of new noncontacting switch being made up of solid state electrical components, using electronic building brick
Switching characteristic, for the purpose of reaching contactless, no-spark and switching on and off heavy duty.Therefore, it is referred to as " contactless electron
Switch ", solid-state relay may replace ordinary electromagnetic relay in a lot of occasions.
And existing DC solid-state relay, it is required for photoelectric coupling or transformer magnetics are arranged, and makes
Used time, its volume are all larger, it is impossible to meet the demand of slim small size.
Utility model content
The purpose of this utility model is that for the problems referred to above, provides a kind of solid nothing the ultra-thin direct current of medium couples isolated form
State relay.
The utility model offer is a kind of nothing the ultra-thin DC solid-state relay of medium couples isolated form, and which includes shell and setting
In the wiring board of inside the shell, the wiring board be provided be sequentially connected input circuit, oscillating circuit connection, coil windings, detection
Rectification circuit and on-off circuit, coil windings are made up of the oscillator coil of oscillating circuit and induction coil, the oscillator coil
One layer or side of etching assist side, and become disk to be distributed, the induction coil etches the opposite side or another of assist side
Side, and fit with oscillator coil, and insulating barrier is set between oscillator coil and induction coil, sensing output is using detection rectification
Circuit drives on-off circuit.
Mu balanced circuit is provided between the input circuit and oscillating circuit, the mu balanced circuit includes triode Q1, three poles
Parallel resistance R1 between the base stage of pipe Q1 and colelctor electrode, the emitter stage of triode Q1 are connected with the input of oscillating circuit, three poles
The colelctor electrode of pipe Q1 is connected with the positive input terminal of input circuit, and the base series voltage-stabiliser tube VD1 of triode Q1 is followed by input circuit
Negative input end.
Clamp circuit is provided between the positive-negative input end of the input circuit, the clamp circuit is diode TVS1.
Shunt capacitance C1 between the positive-negative input end of the input circuit.
Backward dioded D1 is provided between the negative input end of the input circuit and voltage-stabiliser tube VD1.
The input circuit is additionally provided with LED light circuit.
The oscillating circuit includes triode Q2, and the emitter stage of triode Q2 is connected with the negative input end of input circuit, three
Base series resistor R3 of pole pipe Q2 connects the output end of mu balanced circuit, and the base stage of triode Q2 is by electric capacity C4 and coil windings
One input connection, the colelctor electrode of triode Q2 are connected with another input of coil windings, and resistance R3 passes through electric capacity C3
Connect the negative input end of input circuit.
On-off circuit includes one or more FETs.
It is connected with on-off circuit after one output end series diode D2 of coil windings.
The position of the coil windings of the shell corresponding line plate is provided with screen layer.
The utility model passes through the design using coil windings and oscillating circuit, realizes nothing medium transmission, while permissible
Without the need for magnetic transformer, without magnetic elements, while by directly etching coil windings in the circuit board, can realize
Ultra-thin design.
Description of the drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model embodiment is described further：
As shown in figure 1, the utility model discloses a kind of nothing the ultra-thin DC solid-state relay of medium couples isolated form, its bag
Include and shell and be arranged on the wiring board of inside the shell, the wiring board be provided be sequentially connected input circuit, oscillating circuit connection, line
Circle winding T1 and on-off circuit, coil windings are made up of the oscillator coil of oscillating circuit and induction coil, the oscillator coil
One layer or side of etching assist side, and become disk to be distributed, the induction coil etches another layer or another of assist side
Side, and fit with oscillator coil, and insulating barrier is set between oscillator coil and induction coil, sensing output is using detection rectification
Circuit drives MOFET switching tube.
It is radiofrequency signal that the utility model produces oscillator signal by oscillating circuit, and in order to prevent oscillator signal four sides eight
Side is transmitted, and the oscillator coil of oscillating circuit is arranged to disk, realizes oscillator signal radial emission, using multiple circuits
During plate, separation layer can be set between the coil windings of each wiring board, and be passed through induction coil and oscillator coil
Laminating is arranged, and detects the radiofrequency signal, i.e., obtain this by induction coil and shake by the way of detecting circuit detection induced signal
The radiofrequency signal of circuit generation is swung, that is, its peak value is obtained, the charge constant very little of detecting circuit, even very narrow pulse
Also stationary value can be charged to quickly, after intermediate frequency blackout, as the discharge time constant of circuit is very big, the output electricity of detection
Pressure can be maintained on peak value within a very long time.The radiofrequency signal that induction coil is detected passes through diode, due to two poles
The unilateal conduction characteristic of pipe, the negative-going portion of amplitude-modulated signal are truncated, and only leave its positive part, and therefore the detecting circuit is permissible
The signal is quickly obtained very much, and is reacted, and by the way of detection radio frequency, can be without the need for magnetic element as Jie
Matter, realizes the effect nothing medium transmission.
Using the design of coil windings and oscillating circuit, realize nothing medium transmission, at the same can without the need for magnetic transformer,
Without magnetic elements, while by oscillator coil is arranged to disk, and etch one layer or side of assist side so as to
The oscillator signal of radial direction is produced, and induction coil directly etches another layer or the opposite side of assist side, and paste with oscillator coil
Close, directly obtain the oscillator signal so as to the fastest of signal is received, while all by the way of etching, can realize breaking
The ultra-thin design of road device.
The wiring board can be multilayer circuit board, it would however also be possible to employ the mode of two wiring board laminatings.
Mu balanced circuit is provided between the input circuit and oscillating circuit, the mu balanced circuit includes triode Q1, three poles
Parallel resistance R1 between the base stage of pipe Q1 and colelctor electrode, the emitter stage of triode Q1 are connected with the input of oscillating circuit, three poles
The colelctor electrode of pipe Q1 is connected with the positive input terminal INPUT+ of input circuit, and the base series voltage-stabiliser tube VD1 of triode Q1 is followed by defeated
Enter the negative input end INPUT_ of circuit.
Clamp circuit is provided between the positive-negative input end of the input circuit, the clamp circuit is diode TVS1, rises
Effect to protection circuit.
Shunt capacitance C1 between the positive-negative input end of the input circuit, electric capacity C1 are used for eliminating high-frequency signal.
Backward dioded D1 is provided between the negative input end of the input circuit and voltage-stabiliser tube VD1, plays reverse protection
Effect, in the two ends shunt capacitance C2 of backward dioded D1.
The input circuit is additionally provided with LED light circuit, and the LED light circuit includes light emitting diode DS1 and limit
Leakage resistance R2, plays a part of work instruction.
The oscillating circuit includes triode Q2, and the emitter stage of triode Q2 is connected with the negative input end of input circuit, three
Base series resistor R3 of pole pipe Q2 connects the output end of mu balanced circuit, and the base stage of triode Q2 is by electric capacity C4 and coil windings
One input connection, the colelctor electrode of triode Q2 are connected with another input of coil windings, and resistance R3 passes through electric capacity C3
Connect the negative input end of input circuit.
On-off circuit includes the FET of one or more parallel connections.Gate series resistance R6 of FET Q3 is followed by two
The negative electrode of pole pipe D2, gate series resistance R7 of FET Q4 are followed by the negative electrode of diode D2, the drain electrode of FET Q3 and
Source electrode meets the positive pole OUTPUT+ and negative pole OUTPUT- of output end respectively, and the drain electrode of FET Q4 and source electrode connect output end respectively
Positive pole and negative pole, shunt capacitance C7 and diode TVS2 between the positive pole OUTPUT+ and negative pole OUTPUT- of output end, the electricity
Holding C7 is used for absorbing output spike interference, and diode TVS2 plays a part of to protect output circuit for transition diode.
Negative output terminal series resistance R4 of coil windings T1 is followed by the negative pole OUTPUT- of output end, the negative electrode of diode D2
Shunt capacitance C6 and resistance R5, wherein electric capacity C6 successively and resistance R4 between, play the effect of smooth triggering level, and resistance R5 is played
Release level effect, and resistance R6 and resistance R7 all play a part of all to flow, while constituting detection rectified current with induction coil
Road..
It is connected with on-off circuit after one output end series diode D2 of coil windings.
The position of the coil windings of the shell corresponding line plate is provided with screen layer, because the oscillator coil adopts disc type
Arrange so as to signal can only radial emission, therefore only screen layer need to be set in oscillator coil both sides, it becomes possible to ensure interference-free,
Its reliability is improved, meets the requirement of electromagnetic compatibility experiment, while can also improve pressure voltage.
Embodiment is not construed as to restriction of the present utility model, any based on spirit improvements introduced of the present utility model,
All should be within protection domain of the present utility model.
Claims (10)
1. a kind of nothing the ultra-thin DC solid-state relay of medium couples isolated form, which includes shell and is arranged on the circuit of inside the shell
Plate, it is characterised in that：The wiring board be provided be sequentially connected input circuit, oscillating circuit connection, coil windings, detection rectification
Circuit and on-off circuit, coil windings are made up of the oscillator coil of oscillating circuit and induction coil, the oscillator coil etching
One layer of assist side or side, and become disk to be distributed, the induction coil etches the opposite side of assist side or opposite side, and
Fit with oscillator coil, and insulating barrier is set between oscillator coil and induction coil, sensing output adopts detection rectification circuit
Driving switch circuit.
2. according to claim 1 nothing the ultra-thin DC solid-state relay of medium couples isolated form, it is characterised in that described defeated
Enter between circuit and oscillating circuit and mu balanced circuit is provided with, the mu balanced circuit includes triode Q1, the base stage of triode Q1 and collection
Parallel resistance R1 between electrode, the emitter stage of triode Q1 are connected with the input of oscillating circuit, the colelctor electrode of triode Q1 with
The positive input terminal connection of input circuit, the base series voltage-stabiliser tube VD1 of triode Q1 are followed by the negative input end of input circuit.
3. according to claim 1 nothing the ultra-thin DC solid-state relay of medium couples isolated form, it is characterised in that described defeated
Clamp circuit is provided between the positive-negative input end for entering circuit, the clamp circuit is diode TVS1.
4. according to claim 1 nothing the ultra-thin DC solid-state relay of medium couples isolated form, it is characterised in that described defeated
Enter shunt capacitance C1 between the positive-negative input end of circuit.
5. according to claim 2 nothing the ultra-thin DC solid-state relay of medium couples isolated form, it is characterised in that described defeated
Enter and between the negative input end of circuit and voltage-stabiliser tube VD1, be provided with backward dioded D1.
6. according to claim 2 nothing the ultra-thin DC solid-state relay of medium couples isolated form, it is characterised in that described defeated
Enter circuit and be additionally provided with LED light circuit.
7. according to claim 2 nothing the ultra-thin DC solid-state relay of medium couples isolated form, it is characterised in that described to shake
Swinging circuit includes triode Q2, and the emitter stage of triode Q2 is connected with the negative input end of input circuit, the base stage string of triode Q2
Connection resistance R3 connects the output end of mu balanced circuit, and the base stage of triode Q2 is connected with an input of coil windings by electric capacity C4
Connect, the colelctor electrode of triode Q2 is connected with another input of coil windings, and resistance R3 connects input circuit by electric capacity C3
Negative input end.
8. according to claim 1 nothing the ultra-thin DC solid-state relay of medium couples isolated form, it is characterised in that switch electricity
Road is additionally provided with condition indication circuit.
9. according to claim 1 or 8 nothing the ultra-thin DC solid-state relay of medium couples isolated form, it is characterised in that sense
It is connected with on-off circuit after an output end series connection detector diode D2 for answering output winding winding.
10. according to claim 1 nothing the ultra-thin DC solid-state relay of medium couples isolated form, it is characterised in that described
The position of the coil windings of shell corresponding line plate is provided with screen layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620896218.4U CN206004638U (en) | 2016-08-18 | 2016-08-18 | Nothing the ultra-thin DC solid-state relay of medium couples isolated form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620896218.4U CN206004638U (en) | 2016-08-18 | 2016-08-18 | Nothing the ultra-thin DC solid-state relay of medium couples isolated form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206004638U true CN206004638U (en) | 2017-03-08 |
Family
ID=58200443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620896218.4U Active CN206004638U (en) | 2016-08-18 | 2016-08-18 | Nothing the ultra-thin DC solid-state relay of medium couples isolated form |
Country Status (1)
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|---|---|
| CN (1) | CN206004638U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107395181A (en) * | 2017-08-04 | 2017-11-24 | 桂林航天电子有限公司 | Flat surface transformer isolates solid-state relay and its operation method |
| CN111342666A (en) * | 2020-02-27 | 2020-06-26 | 西安微电子技术研究所 | Pulse trigger solid relay circuit for satellite |
| CN112927986A (en) * | 2021-02-01 | 2021-06-08 | 贵州天义电器有限责任公司 | Isolation solid relay circuit based on three-winding transformer |
-
2016
- 2016-08-18 CN CN201620896218.4U patent/CN206004638U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107395181A (en) * | 2017-08-04 | 2017-11-24 | 桂林航天电子有限公司 | Flat surface transformer isolates solid-state relay and its operation method |
| CN111342666A (en) * | 2020-02-27 | 2020-06-26 | 西安微电子技术研究所 | Pulse trigger solid relay circuit for satellite |
| CN111342666B (en) * | 2020-02-27 | 2021-04-13 | 西安微电子技术研究所 | Pulse trigger solid relay circuit for satellite |
| CN112927986A (en) * | 2021-02-01 | 2021-06-08 | 贵州天义电器有限责任公司 | Isolation solid relay circuit based on three-winding transformer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |