CN104076278A - Isolation-type on-off state detection device - Google Patents
Isolation-type on-off state detection device Download PDFInfo
- Publication number
- CN104076278A CN104076278A CN201410343319.4A CN201410343319A CN104076278A CN 104076278 A CN104076278 A CN 104076278A CN 201410343319 A CN201410343319 A CN 201410343319A CN 104076278 A CN104076278 A CN 104076278A
- Authority
- CN
- China
- Prior art keywords
- circuit
- transmission line
- control
- switching signal
- signal output
- 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
Abstract
An isolation-type on-off state detection device detecting the action of equipment like switches and buttons solves the problem that an existing monitoring method is complex and high in cost. The isolation-type on-off state detection device comprises a body, a built-in circuit board, transmission lines and a control loop and is characterized in that the control loop packaged on the built-in circuit board of the body comprises a first control circuit composed of a first relay, a corresponding resistor, a corresponding diode and a corresponding diode, and a second control circuit composed of a second relay, a corresponding resistor, a corresponding diode and a corresponding diode, a detection signal output circuit, a switching signal input circuit and a switching signal output circuit are led out of the side surface of the body through the transmission lines respectively, and an external power source and a filter circuit control the first control circuit and the second control circuit to act to achieve dual synchronous state output of one input circuit and synchronous monitoring of the isolation-type state of a detected switch of input signals. The isolation-type on-off state detection device is reasonable in design, simple in structure, small in size and convenient to install on the site and does not need debugging, complete isolation-type detection is achieved, the circuits are not disturbed by one another, and the stability and accuracy of the detection state are guaranteed.
Description
Technical field
The present invention relates to a kind of device for detection of device action, particularly cannot increase for some the isolated pick-up unit of on off state that the equipment such as switch, button of auxiliary contact is monitored, it is mainly used in monitoring some equipment can realize automatic detection, and don't affects its normal place using.
Background technology
At present, automatically monitor place at some, often need to carry out to some switches, button or circuit the detection of break-make.Can connect now the equipment of auxiliary contact for relay etc., can monitor by auxiliary contact, but cannot increase the equipment of auxiliary contact for switch, button etc., monitoring method more complicated, monitoring cost are higher, and on-line monitoring state detects unstable.As the electric current flowing through is monitored, this mode is high for little current monitoring cost, monitoring is easily interfered, and monitors for the button of voltage circuit, helpless especially.Granted publication number is " pick-up unit " of CN 101750588 B, comprise connector and relay for connecting host computer pilot lamp connector, it is to be only applicable to detect hard disk indication lamp, testing tool that whether power light is good, do not possess on-line real time monitoring on off state function, and cannot in the time that equipment to be detected is normally worked, use; Application publication number be CN 103003180 A's " switch detection system ", be mainly used in elevator and control system for escalator the switch activateding determine and recognition detection.It is to adopt in on-off circuit, to seal in resistance, measuring voltage distribution, obtains on off state, needs pick-up unit to seal in switch loop, needs processor calculating voltage, and detection method complexity, in addition, does not have synchro switch State-output; Application publication number be CN 103197240 A's " a kind of switch detector ", include power supply, relay, termination and alarming device, wherein relay switch and alarming device series connection, relay coil and termination series connection.When detection; approach switch need to be installed on termination; cooperation by line ball end face, movable end face is installed in approach switch in detector circuit; then metal is moved towards approach switch; approach switch is made a response and relay is made a response, thereby judges by alarming device whether approach switch normally or damages.Whether effectively it be mainly used for detecting a kind of approach switch device, also do not possess the synchronous output function of on off state.
Summary of the invention
The object of this invention is to provide the isolated pick-up unit of on off state of the device actions such as a kind of switch, button, the problems such as existing monitoring method complexity, cost be higher are solved, it is reasonable in design, realize complete isolated detection, mutually interference-free between circuit, guarantee that detected state is stable, accurate, and do not affect the use of former on-off circuit, have simple in structurely, volume is little, is convenient to on-the-spotly to install, without the advantage of debugging.
The technical solution adopted in the present invention is: the isolated pick-up unit of this on off state comprises body, internal circuit board, transmission line and control loop, its technical essential is: be encapsulated in the control loop of the each electronic component composition in the internal circuit board of described body, respectively by the first relay, the corresponding resistor of the second relay and configuration, diode, triode forms first control circuit, second control circuit, detection signal output circuit is drawn respectively by transmission line in body side, switching signal input circuit, switching signal output circuit, and by external power supply and filtering circuit control first control circuit, second control circuit action, realize the two-way synchronous regime output of a road input circuit, the isolated state synchronized monitoring of the detected switch to input signal.
The transmission line of the switching signal input circuit that draw described body side is connected with detected switch terminal respectively.
Described control loop forms first control circuit by resistance R 1, diode D1, triode Q1 and the first relay J 1 respectively, form second control circuit by resistance R 2, diode D2, triode Q2 and the second relay J 2, form power supply and filtering circuit by diode D3, capacitor C 1, C2, switching signal input transmission line A5, A6 connects a path switching signal input circuit, switching signal output transmission line A7, A8 connects a path switching signal output circuit, detection signal output transmission line A3, A4 connects a road detection signal output circuit, by power transmission line A1, ground connection transmission line A2 external power supply power supply and filtering circuit, control first control circuit, the corresponding actuating of relay of second control circuit, realize the double switch signal output apparatus of a path switching signal input circuit, the output of detection signal output circuit synchronous regime, and output circuit is isolated from input circuit completely.
Advantage and good effect that the present invention has are: due to the each electronic component composition control loop in the internal circuit board that is encapsulated in body of the present invention, each circuit of control loop is drawn respectively in body two sides by transmission line, minimizing takes up room, so it is reasonable in design, realize complete isolated detection, mutually interference-free between circuit, guarantee that detected state is stable, accurately, and do not affect the use of former on-off circuit, in addition, because being encapsulated in the control loop of the each electronic component composition in the internal circuit board of body, configure two dpdt relays and formed first control circuit, second control circuit, and only by external power supply and filtering circuit control first, the action of second control circuit, can realize the two-way synchronous regime output of a road input circuit, the isolated state synchronized monitoring of the detected switch to input signal well, therefore it is simple in structure that this device has, volume is little, be convenient to on-the-spot installation, without the advantage of debugging.Therefore, the invention solves the problems such as existing monitoring method complexity, the detection of monitoring state is unstable, difficulty of construction large, cost is higher, can be widely used in easily monitoring of some equipment such as switch, button that cannot increase auxiliary contact.
Brief description of the drawings
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is a kind of concrete structure schematic diagram of the present invention.
Fig. 2 is the cut-open view of Fig. 1 along A-A line.
Fig. 3 is a kind of circuit theory diagrams of the present invention.
Sequence number explanation in figure: 1 body, 2 internal circuit board, A1 power transmission line, A2 ground connection transmission line, A3 detection signal output transmission line, A4 detection signal output transmission line, A5 switching signal input transmission line, A6 switching signal input transmission line, A7 switching signal output transmission line, A8 switching signal output transmission line, J1 the first relay, J2 the second relay.
Embodiment
Describe concrete structure of the present invention in detail according to Fig. 1～2.This pick-up unit comprises the parts such as body 1, internal circuit board 2, transmission line and control loop.The control loop being wherein made up of each electronic component of commonly using is encapsulated in the internal circuit board 2 of body 1.This control loop forms first control circuit and second control circuit by corresponding resistor R1, R2, diode D1, D2, triode Q1, the Q2 etc. of the first relay J 1, the second relay J 2 and configuration respectively.The first relay, the second relay all adopt dpdt relay.In order to reduce taking up room of each circuit in control loop, draw respectively each circuit from two sides of body 1 by each transmission line.Each transmission line is respectively: power transmission line A1, ground connection transmission line A2, detection signal output transmission line A3, detection signal output transmission line A4, switching signal input transmission line A5, switching signal input transmission line A6, switching signal output transmission line A7, switching signal output transmission line A8.And make detection signal output circuit, switching signal input circuit, the switching signal output circuit of drawing respectively, control the actuating of relay in first control circuit, second control circuit by external power supply and filtering circuit, realize the two-way synchronous regime output of a road input circuit, the isolated state synchronized monitoring of the detected switch to input signal.
In above-mentioned control loop, form first control circuit by resistance R 1, diode D1, triode Q1 and the first relay J 1 respectively.Form second control circuit by resistance R 2, diode D2, triode Q2 and the second relay J 2.By diode D3, capacitor C 1, C2 composition power supply and filtering circuit.Switching signal input transmission line A5, A6 connects a path switching signal input circuit, switching signal output transmission line A7, A8 connects a path switching signal output circuit, detection signal output transmission line A3, A4 connects a road detection signal output circuit, by A1 power transmission line, ground connection transmission line A2 external power supply power supply and filtering circuit, control first control circuit, the corresponding actuating of relay of second control circuit, realize the double switch signal output apparatus of a path switching signal input circuit, the output of detection signal output circuit synchronous regime, and output circuit is isolated from input circuit completely.
The present invention is not shown to be detected K switch G() its testing process is described as example.In the time of the detected K switch G state of monitoring, as long as transmission line A5, the A6 of the switching signal input circuit that body side is drawn are connected with two terminals of detected K switch G respectively, just can monitor.
While monitoring, transmission line A1 access DC direct current 12V power supply, transmission line A2 connects power supply ground; Two terminals of detected K switch G, the transmission line A5 and the transmission line A6 that draw with body side are respectively connected.In the time that switch is closed, transmission line A3 and transmission line A4 are communicated with, transmission line A7 and transmission line A8 are communicated with, all be consistent with switch motion, like this transmission line A7 and transmission line A8 are taken back to the circuit that original switch accesses, transmission line A3 and transmission line A4 are as the detection output of switch motion, for testing circuit.The scope of application of the present invention is very extensive.
The principle of specific implementation is, as Fig. 3, when invalid for DC power supply, because transmission line A5 and A7 are connected on normally closed contact 3 and 2 pin of relay J 1; Transmission line A6 and A8 are connected on normally closed contact 9 and 8 pin of relay J 1, ensure like this transmission line A5 and A6 and A7 and A8 state consistency; When effective for DC power supply, transmission line A1 is 12V, and transmission line A2 is ground, resistance R 1 and triode Q1 obtain power supply, pilot relay J1 action, J1 relay normally closed contact 2 and 3 disconnects, normally closed contact 8 and 9 disconnects, and A7 and A8 are in off-state like this, if when detected K switch G is not closed in disconnecting, be that A5 and A6 do not have closure, relay J 2 can not get power supply, can not move, at this moment 3 pin of J2 and 4 pin are in unsettled off-state, and transmission line A3 and A4 are in off-state; If output switching terminal closure, i.e. transmission line A5 and A6 closure, at this moment, after J1 action, 3 pin of J1 are connected with 4 pin, and 7 pin of J1 are connected with 8 pin, transmission line A5 is connected with 3 pin of J1 again, transmission line A6 is connected with 8 pin of J1 again, and resistance R 2 and triode Q2 obtain power supply like this, pilot relay J2 action, 3 pin of J2 and 4 pin closures like this, transmission line A7 and A8 closure, 7 pin of J2 and 8 pin are also closed, transmission line A3 and A4 closure.The transmission line A5, the A6 state variation that have ensured like this switch access are consistent with transmission line A7, A8 and transmission line A3, A4 variation, and transmission line A7 and A8 access original switch place in circuit, and transmission line A3 and A4 are as the Simultaneous Monitoring State-output of on off state.
Claims (3)
1. the isolated pick-up unit of on off state, comprise body, internal circuit board, transmission line and control loop, it is characterized in that: be encapsulated in the control loop of the each electronic component composition in the internal circuit board of described body, respectively by the first relay, the corresponding resistor of the second relay and configuration, diode, triode forms first control circuit, second control circuit, detection signal output circuit is drawn respectively by transmission line in body side, switching signal input circuit, switching signal output circuit, and by external power supply and filtering circuit control first control circuit, second control circuit action, realize the two-way synchronous regime output of a road input circuit, the isolated state synchronized monitoring of the detected switch to input signal.
2. the isolated pick-up unit of on off state according to claim 1, is characterized in that: the transmission line of the switching signal input circuit that draw described body side is connected with detected switch terminal respectively.
3. the isolated pick-up unit of on off state according to claim 1, is characterized in that: described control loop forms the first control loop by resistance R 1, diode D1, triode Q1 and the first relay J 1 respectively, form the second control loop by resistance R 2, diode D2, triode Q2 and the second relay J 2, form power supply and filtering circuit by diode D3, capacitor C 1, C2, switching signal input transmission line A5, A6 connects a path switching signal input circuit, switching signal output transmission line A7, A8 connects a path switching signal output circuit, detection signal output transmission line A3, A4 connects a road detection signal output circuit, by power transmission line A1, ground connection transmission line A2 external power supply power supply and filtering circuit, control first control circuit, the corresponding actuating of relay of second control circuit, realize the double switch signal output apparatus of a path switching signal input circuit, the output of detection signal output circuit synchronous regime, and output circuit is isolated from input circuit completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410343319.4A CN104076278B (en) | 2014-07-18 | 2014-07-18 | On off state isolated detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410343319.4A CN104076278B (en) | 2014-07-18 | 2014-07-18 | On off state isolated detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104076278A true CN104076278A (en) | 2014-10-01 |
| CN104076278B CN104076278B (en) | 2016-08-24 |
Family
ID=51597668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410343319.4A Active CN104076278B (en) | 2014-07-18 | 2014-07-18 | On off state isolated detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104076278B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201837710U (en) * | 2010-11-10 | 2011-05-18 | 永济新时速电机电器有限责任公司 | Itinerant detector of switching device |
| CN102508155A (en) * | 2011-11-08 | 2012-06-20 | 郑州万特电气有限公司 | Test circuit for internally installed load switch of intelligent electric energy meter |
| CN102830348A (en) * | 2012-08-21 | 2012-12-19 | 江苏华德电力科技有限公司 | Bounce testing device for single-coil magnetic-latching relay and test method of bounce testing device |
| CN103003180A (en) * | 2010-06-02 | 2013-03-27 | 奥的斯电梯公司 | Switch detection system |
| EP2587512A1 (en) * | 2011-10-31 | 2013-05-01 | PHOENIX CONTACT GmbH & Co. KG | Safety-oriented switching device |
| US20130119782A1 (en) * | 2008-10-08 | 2013-05-16 | Denso Corporation | Electric power source circuit and abnormality diagnosis system |
| CN103439649A (en) * | 2013-06-28 | 2013-12-11 | 江苏林洋电子股份有限公司 | Monitoring system for having control over connection state of switch of loop |
| CN203385830U (en) * | 2013-03-15 | 2014-01-08 | 江苏恒远国际工程有限公司 | Switch detector |
| CN103728529A (en) * | 2013-12-20 | 2014-04-16 | 中国南方电网有限责任公司超高压输电公司广州局 | Switch interval state distinguishing method |
| CN203572931U (en) * | 2013-11-18 | 2014-04-30 | 深圳市易能电气技术有限公司 | Detection feedback circuit |
-
2014
- 2014-07-18 CN CN201410343319.4A patent/CN104076278B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130119782A1 (en) * | 2008-10-08 | 2013-05-16 | Denso Corporation | Electric power source circuit and abnormality diagnosis system |
| CN103003180A (en) * | 2010-06-02 | 2013-03-27 | 奥的斯电梯公司 | Switch detection system |
| CN201837710U (en) * | 2010-11-10 | 2011-05-18 | 永济新时速电机电器有限责任公司 | Itinerant detector of switching device |
| EP2587512A1 (en) * | 2011-10-31 | 2013-05-01 | PHOENIX CONTACT GmbH & Co. KG | Safety-oriented switching device |
| CN102508155A (en) * | 2011-11-08 | 2012-06-20 | 郑州万特电气有限公司 | Test circuit for internally installed load switch of intelligent electric energy meter |
| CN102830348A (en) * | 2012-08-21 | 2012-12-19 | 江苏华德电力科技有限公司 | Bounce testing device for single-coil magnetic-latching relay and test method of bounce testing device |
| CN203385830U (en) * | 2013-03-15 | 2014-01-08 | 江苏恒远国际工程有限公司 | Switch detector |
| CN103439649A (en) * | 2013-06-28 | 2013-12-11 | 江苏林洋电子股份有限公司 | Monitoring system for having control over connection state of switch of loop |
| CN203572931U (en) * | 2013-11-18 | 2014-04-30 | 深圳市易能电气技术有限公司 | Detection feedback circuit |
| CN103728529A (en) * | 2013-12-20 | 2014-04-16 | 中国南方电网有限责任公司超高压输电公司广州局 | Switch interval state distinguishing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104076278B (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104345867B (en) | Field device | |
| CN102508485B (en) | Signal detection and fault simulation device for semi-physical simulation test | |
| CN103033743B (en) | The motion time measurement device of on-off element | |
| RU2019111660A (en) | DIGITAL DETECTION OF SAMPLE IN ANALYT METER | |
| CN104502665A (en) | Device and method for testing residual voltage | |
| CN104198879A (en) | Polarity tester | |
| CN209728041U (en) | Narrow confusion region acquisition device suitable for onboard system | |
| CN204925350U (en) | Permanent magnetism on -off mechanism functional test platform | |
| CN209560016U (en) | A kind of DC power supply plate connector detection system | |
| CN104076278A (en) | Isolation-type on-off state detection device | |
| CN111908283A (en) | Response time detection device and method for elevator car accidental movement protection device | |
| CN204101613U (en) | A kind of non-contact switch amount condition checkout gear | |
| CN204129179U (en) | The isolated pick-up unit of on off state | |
| CN212356115U (en) | Response time detection device for elevator car accidental movement protection device | |
| CN204177906U (en) | Polarity tester | |
| CN205334667U (en) | Electric fire monitors detector based on LIN bus | |
| CN204302353U (en) | A kind of power detection system based on Hall element | |
| CN209656865U (en) | A kind of DC voltage overvoltage/undervoltage detection circuit | |
| CN203204763U (en) | Electrical fire warning device | |
| CN203376433U (en) | Electric leakage detection circuit | |
| CN208723533U (en) | A kind of digital electric current relay | |
| CN205353325U (en) | Quick detection device of three -phase symmetrical alternating current electrical parameter | |
| CN205609877U (en) | Intelligent socket | |
| RU123566U1 (en) | HIGHER RELIABILITY AIRPORT SECURITY SYSTEM | |
| CN206876824U (en) | A kind of real-time display formula relay life detection means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |