CN106330155A - Solid-state relay with self-breaking function - Google Patents
Solid-state relay with self-breaking function Download PDFInfo
- Publication number
- CN106330155A CN106330155A CN201610758050.5A CN201610758050A CN106330155A CN 106330155 A CN106330155 A CN 106330155A CN 201610758050 A CN201610758050 A CN 201610758050A CN 106330155 A CN106330155 A CN 106330155A
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- China
- Prior art keywords
- pin
- bonder
- connects
- resistance
- control circuit
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- 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.)
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
- H03K17/79—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar semiconductor switches with more than two PN-junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region
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- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a solid-state relay with a self-breaking function. The solid-state relay comprises a shell, wherein a circuit board is arranged inside the shell; a logical control circuit U1 is arranged on the circuit board; a first output end of the logical control circuit U1 is connected with a pin 3 of a coupler P1; a pin 4 of the coupler P1 is connected with a first input end of the logical control circuit U1; a pin 1 of the coupler P1 is connected with a pin 1 of an element U2; a pin 4 of the element U2 is connected with a high-level VCC (Volt Current Condenser), a positive electrode of a capacitor C1, a capacitor C2 and a resistor R2; a pin 8 of the element U2 is grounded; a negative electrode of the capacitor C1, the other end of the capacitor C2 and the other end of the resistor R2 are connected with a pin 3 of the element U2; and a pin 3 of an element U3 is connected with a pin 1 of a rectifying element QZ and a resistor R3. The solid-state relay is simple in circuit connection, economical, practical and relatively low in cost. Moreover, the solid-state relay has the self-breaking function, so that the solid-state relay has high security performance, and economical losses of people are avoided.
Description
Technical field
The present invention relates to relay technical field, particularly relate to the solid-state relay of a kind of band automatic breaking.
Background technology
Solid-state relay is by microelectronic circuit, discrete electronic device, contactless the opening of power electronic power device composition
Close.Solid-state relay uses isolating device to achieve the isolation controlling end with load end, and the input of solid-state relay is with small
Control signal, reach directly to drive large current load.Solid-state relay has important effect in circuit, can play certainly
The effects such as dynamic regulation, safeguard protection, change-over circuit, existing solid-state relay is when output short-circuit, and solid-state relay cannot be certainly
Dynamic cut-out, all completes disjunction by manual, is likely to result in catastrophic consequence in this time period, and then gives people
Bring economic loss.
Summary of the invention
The invention aims to solve shortcoming present in prior art, and the solid-state of a kind of band automatic breaking proposed
Relay.
To achieve these goals, present invention employs following technical scheme:
The solid-state relay of a kind of band automatic breaking, including housing, the inside of described housing is provided with circuit board, and circuit board is provided with
First outfan of logic control circuit U1, described logic control circuit U1 connects the pin 3 having bonder P1, and bonder P1
Pin 4 connect and have the first input end of logic control circuit U1, the pin 1 of described bonder P1 connects the pin having element U2
The pin 4 of 1, described element U2 connects high level VCC, the positive pole of electric capacity C1, electric capacity C2 and resistance R2, and the pin of element U2
8 ground connection, the negative pole of described electric capacity C1, the other end of electric capacity C2 be all connected with the pin 3 of element U2 with the other end of resistance R2,
The pin 3 of described element U3 connects pin 1 and the resistance R3 having rectifier cell QZ, and the other end connection of resistance R3 has bonder
The pin 3 of P2, the pin 1 of described bonder P2 connects the second outfan having logic control circuit U1, and the drawing of bonder P2
Foot 2 connects the second input having logic control circuit U1, the pin 4 of described bonder P2 and pin 3 phase of rectifier cell QZ
Connecting, the pin 2 of described rectifier cell QZ connects resistance wire FUSE, and the other end connection of resistance wire FUSE has field effect transistor
The drain D of Q2, the negative pole of controllable silicon D1, resistance R4, resistance R1, the pin 2 of bonder P1 and outfan OUT, described resistance R1
The other end be connected with the pin 2 of element U2, the positive pole of described controllable silicon D1 connects the other end of resistance R4, bonder P3
Pin 3 and input TL, and the 3rd end of controllable silicon D1 is connected with the pin 4 of rectifier cell QZ, described bonder P3's
Pin 1 connects the 3rd outfan having logic control circuit U1, and pin 2 connection of bonder P3 has logic control circuit U1's
3rd input, the pin 4 of described bonder P3 connects the base stage having NPN type triode Q1, and the transmitting of NPN type triode Q1
Pole ground connection, the colelctor electrode of described NPN type triode Q1 is connected with the grid of field effect transistor Q2, and the source S of field effect transistor Q2
Connect and have input TN.
Preferably, described element U2 is operational amplifier, and the model of element U2 is LM358.
Preferably, described bonder P2 and bonder P3 is photo-coupler.
Preferably, described electric capacity C1 is electrochemical capacitor, and described controllable silicon D1 is bidirectional triode thyristor.
Preferably, the 4th outfan of described logic control circuit U1 connects the input having alarm module.
Beneficial effects of the present invention: common by bonder P1, element U2, electric capacity C1, electric capacity C2, resistance R1 and resistance R2
Constituting testing circuit, the output state of switch can be detected by this testing circuit, and the element U2 in testing circuit can
So that the signal detected is amplified so that the Detection results of testing circuit is more accurate；By bonder P3 respectively with NPN
Type audion Q1, field effect transistor Q2 together constitute disjunction circuit, and logic control circuit can control disjunction circuit to outfan
OUT carries out disjunction process, greatly reduces the economic loss of people；The circuit of the present invention connects simple, economical and practical, cost
Relatively low, and solid-state relay is with the function of automatic breaking so that the security performance of solid-state relay is high, it is to avoid to people cause through
Ji loss.
Accompanying drawing explanation
Fig. 1 is the structural representation of the solid-state relay of a kind of band automatic breaking that the present invention proposes.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.
With reference to Fig. 1, the solid-state relay of a kind of band automatic breaking, including housing, the inside of housing is provided with circuit board, and circuit
Plate is provided with first outfan of logic control circuit U1, logic control circuit U1 and connects the pin 3 having bonder P1, and coupling
The pin 4 of device P1 connects the first input end having logic control circuit U1, and the pin 1 of bonder P1 connects the pin having element U2
The pin 4 of 1, element U2 connects high level VCC, the positive pole of electric capacity C1, electric capacity C2 and resistance R2, and the pin 8 of element U2 connects
, the negative pole of electric capacity C1, the other end of electric capacity C2 are all connected with the pin 3 of element U2 with the other end of resistance R2, element U3
Pin 3 connect and have pin 1 and the resistance R3 of rectifier cell QZ, and the other end of resistance R3 connects the pin 3 having bonder P2,
The pin 1 of bonder P2 connects the second outfan having logic control circuit U1, and pin 2 connection of bonder P2 has logic control
Second input of circuit U 1 processed, the pin 4 of bonder P2 is connected with the pin 3 of rectifier cell QZ, and rectifier cell QZ draws
Foot 2 connects a resistance wire FUSE, and the other end of resistance wire FUSE connect have the drain D of field effect transistor Q2, controllable silicon D1 negative
The pin 2 of pole, resistance R4, resistance R1, the pin 2 of bonder P1 and outfan OUT, the other end of resistance R1 and element U2 is connected
Connecing, the positive pole of controllable silicon D1 connects the other end of resistance R4, the pin 3 of bonder P3 and input TL, and controllable silicon D1
3rd end is connected with the pin 4 of rectifier cell QZ, and the pin 1 of bonder P3 connects the 3rd output having logic control circuit U1
Holding, and the pin 2 of bonder P3 connects the 3rd input having logic control circuit U1, the pin 4 of bonder P3 connects NPN
The base stage of type audion Q1, and the grounded emitter of NPN type triode Q1, the colelctor electrode of NPN type triode Q1 and field effect transistor
The grid of Q2 is connected, and the source S of field effect transistor Q2 connects that to have input TN, element U2 be operational amplifier, and element U2
Model be LM358, bonder P2 and bonder P3 is photo-coupler, and electric capacity C1 is electrochemical capacitor, and controllable silicon D1 is two-way
Controllable silicon, the 4th outfan of logic control circuit U1 connects the input having alarm module.
Operation principle: the detection electricity that bonder P1, element U2, electric capacity C1, electric capacity C2, resistance R1 and resistance R2 collectively form
Road can to bonder P2 respectively with opening that resistance R3, rectifier cell QZ, element FUSE, controllable silicon D1, resistance R4 collectively form
Closing circuit to detect, and testing circuit detects that the outfan of on-off circuit is short-circuited, testing result is sent out by testing circuit
Deliver on logic control circuit U1, logic control circuit U1 control bonder P3 respectively with NPN type triode Q1, field effect transistor Q2
The disjunction circuit collectively formed carries out disjunction process to the outfan OUT of on-off circuit so that solid-state relay can divide automatically
Disconnected, the alarm module of logic control circuit U1 control simultaneously is reported to the police, and reminds people to keep in repair.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (5)
1. a solid-state relay for band automatic breaking, including housing, the inside of described housing is provided with on circuit board, and circuit board and sets
There is logic control circuit U1, it is characterised in that first outfan of described logic control circuit U1 connects drawing of bonder P1
Foot 3, and the pin 4 of bonder P1 connects and has the first input end of logic control circuit U1, the pin 1 of described bonder P1 connects
Having the pin 1 of element U2, the pin 4 of described element U2 connects high level VCC, the positive pole of electric capacity C1, electric capacity C2 and resistance R2,
And pin 8 ground connection of element U2, the other end of the negative pole of described electric capacity C1, the other end of electric capacity C2 and resistance R2 is all and element U2
Pin 3 be connected, the pin 3 of described element U3 connects pin 1 and the resistance R3 having rectifier cell QZ, and another of resistance R3
End connects the pin 3 having bonder P2, and the pin 1 of described bonder P2 connects the second outfan having logic control circuit U1,
And the pin 2 of bonder P2 connects the second input having logic control circuit U1, the pin 4 of described bonder P2 and rectification unit
The pin 3 of part QZ is connected, and the pin 2 of described rectifier cell QZ connects resistance wire FUSE, and the other end of resistance wire FUSE
Connect and have the drain D of field effect transistor Q2, the negative pole of controllable silicon D1, resistance R4, resistance R1, the pin 2 of bonder P1 and outfan
OUT, the other end of described resistance R1 is connected with the pin 2 of element U2, and the positive pole of described controllable silicon D1 connects resistance R4's
The other end, the pin 3 of bonder P3 and input TL, and the 3rd end of controllable silicon D1 is connected with the pin 4 of rectifier cell QZ,
The pin 1 of described bonder P3 connects the 3rd outfan having logic control circuit U1, and pin 2 connection of bonder P3 is patrolled
Collecting the 3rd input of control circuit U1, the pin 4 of described bonder P3 connects the base stage having NPN type triode Q1, and NPN type
The grounded emitter of audion Q1, the colelctor electrode of described NPN type triode Q1 is connected with the grid of field effect transistor Q2, and field effect
Should pipe Q2 source S connect have input TN.
The solid-state relay of a kind of band automatic breaking the most according to claim 1, it is characterised in that described element U2 is computing
Amplifier, and the model of element U2 is LM358.
The solid-state relay of a kind of band automatic breaking the most according to claim 1, it is characterised in that described bonder P2 and coupling
Clutch P3 is photo-coupler.
The solid-state relay of a kind of band automatic breaking the most according to claim 1, it is characterised in that described electric capacity C1 is electrolysis
Electric capacity, described controllable silicon D1 is bidirectional triode thyristor.
The solid-state relay of a kind of band automatic breaking the most according to claim 1, it is characterised in that described logic control circuit
4th outfan of U1 connects the input having alarm module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610758050.5A CN106330155A (en) | 2016-08-30 | 2016-08-30 | Solid-state relay with self-breaking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610758050.5A CN106330155A (en) | 2016-08-30 | 2016-08-30 | Solid-state relay with self-breaking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106330155A true CN106330155A (en) | 2017-01-11 |
Family
ID=57788471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610758050.5A Pending CN106330155A (en) | 2016-08-30 | 2016-08-30 | Solid-state relay with self-breaking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106330155A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5406442A (en) * | 1993-01-26 | 1995-04-11 | Carlo Gavazzi Ag | Solid state relay |
| KR100903149B1 (en) * | 2009-03-05 | 2009-06-15 | 대동산전주식회사 | Monitoring device for trip circuit of circuit breaker |
| CN102455658A (en) * | 2010-11-01 | 2012-05-16 | 西安众擎电子科技有限公司 | Solid-state controller |
| CN202363868U (en) * | 2011-11-24 | 2012-08-01 | 天津市百利电气有限公司 | Intelligent low-voltage circuit breaker selective in grounding protection and electricity leakage protection functions |
| CN204314664U (en) * | 2014-12-23 | 2015-05-06 | 四川中曼电气工程技术有限公司 | A kind of solid-state relay detecting and controlling system |
| CN105049017A (en) * | 2015-08-27 | 2015-11-11 | 库顿电子科技（厦门）有限公司 | Automatic breaking solid-state relay |
| CN204967781U (en) * | 2015-08-27 | 2016-01-13 | 库顿电子科技（厦门）有限公司 | Disconnected solid state relay evaluates oneself in area |
-
2016
- 2016-08-30 CN CN201610758050.5A patent/CN106330155A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5406442A (en) * | 1993-01-26 | 1995-04-11 | Carlo Gavazzi Ag | Solid state relay |
| KR100903149B1 (en) * | 2009-03-05 | 2009-06-15 | 대동산전주식회사 | Monitoring device for trip circuit of circuit breaker |
| CN102455658A (en) * | 2010-11-01 | 2012-05-16 | 西安众擎电子科技有限公司 | Solid-state controller |
| CN202363868U (en) * | 2011-11-24 | 2012-08-01 | 天津市百利电气有限公司 | Intelligent low-voltage circuit breaker selective in grounding protection and electricity leakage protection functions |
| CN204314664U (en) * | 2014-12-23 | 2015-05-06 | 四川中曼电气工程技术有限公司 | A kind of solid-state relay detecting and controlling system |
| CN105049017A (en) * | 2015-08-27 | 2015-11-11 | 库顿电子科技（厦门）有限公司 | Automatic breaking solid-state relay |
| CN204967781U (en) * | 2015-08-27 | 2016-01-13 | 库顿电子科技（厦门）有限公司 | Disconnected solid state relay evaluates oneself in area |
Non-Patent Citations (1)
| Title |
|---|
| 史震: "《自动控制元件》", 28 February 2013 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |
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| RJ01 | Rejection of invention patent application after publication |