CN204129179U - The isolated pick-up unit of on off state - Google Patents
The isolated pick-up unit of on off state Download PDFInfo
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- CN204129179U CN204129179U CN201420398253.4U CN201420398253U CN204129179U CN 204129179 U CN204129179 U CN 204129179U CN 201420398253 U CN201420398253 U CN 201420398253U CN 204129179 U CN204129179 U CN 204129179U
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Abstract
A kind of switch, the isolated pick-up unit of on off state of the device actions such as button, solve existing monitoring method complicated, the problems such as cost is higher, comprise body, internal circuit board, transmission line and control loop, its technical essential is: be encapsulated in the control loop in the internal circuit board of body, respectively by first, the corresponding resistor of the second relay and configuration, diode, triode forms first, 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 control first by external power supply and filtering circuit, second control circuit action, the two-way synchronous regime realizing a road input circuit exports, to the isolated state synchronized monitoring of the detected switch of input signal.It is reasonable in design, realizes completely isolated formula and detects, mutually interference-free between circuit, guarantees that detected state is stable, accurately, structure is simple, and volume is little, is convenient to in-site installation, without the need to debugging.
Description
Technical field
The utility model relates to a kind of device for checkout equipment action, the equipment such as switch, button that particularly cannot increase auxiliary contact for some carries out the isolated pick-up unit of on off state of monitoring, it is mainly used in monitoring some equipment can realize automatic detection, and don't affects its place normally used.
Background technology
At present, automatically monitor place at some, often need the detection some switches, button or circuit being carried out to break-make.Can connect now the equipment of auxiliary contact for relay etc., can be monitored 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 monitored the electric current flow through, this mode is high for small area analysis monitoring cost, monitoring is easily interfered, and monitors for the button of voltage circuit, helpless especially.Authorization Notice No. is " pick-up unit " of CN 101750588 B, comprise the connector for connecting host computer pilot lamp connector and relay, it is only be 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 use when equipment to be detected normally works; Application publication number is " Switch detection system " of CN 103003180 A, is mainly used in determination and the recognition detection of the switch activated of elevator and control system for escalator.It adopts in on-off circuit, seal in resistance, measuring voltage distribution, and obtain on off state, need pick-up unit to seal in switching circuitry, need processor calculating voltage, detection method is complicated, in addition, does not have synchro switch State-output; Application publication number is " a kind of switch detector " of CN 103197240 A, includes power supply, relay, termination and alarming device, wherein relay switch and alarming device series connection, relay coil and termination series connection.During detection; proximity switch is needed to be installed on termination; by the cooperation of line ball end face, movable end face, proximity switch is installed in detector circuit; then metal is moved towards proximity switch; proximity switch is made a response and relay is made a response, thus judges whether proximity switch normally or damages by alarming device.It is mainly used for detecting the whether effective device of a kind of proximity switch, does not also possess on off state synchronism output function.
Summary of the invention
The purpose of this utility model is to provide the isolated pick-up unit of on off state of the device actions such as a kind of switch, button, solve the problems such as existing monitoring method is complicated, cost is higher, it is reasonable in design, realize completely isolated formula to detect, mutually interference-free between circuit, guarantee that detected state is stable, accurate, and do not affect the use of former on-off circuit, have structure simple, volume is little, is convenient to in-site installation, advantage without the need to debugging.
The technical scheme that the utility model adopts 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 each electronic component composition in the internal circuit board of described body, by the corresponding resistor of the first relay and configuration, diode, triode forms first control circuit, by the corresponding resistor of the second relay and configuration, diode, triode forms 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 control first control circuit by external power supply and filtering circuit, second control circuit action, the two-way synchronous regime realizing a road input circuit exports, to the isolated state synchronized monitoring of the detected switch of input signal.
In described first control loop, the negative pole of the cathode connecting diode of the first relay power end, the negative pole of the first relay power end connects the positive pole of the first diode; The positive pole of the first relay power end also connects first resistance one end, this the first resistance other end connects the base stage of the first triode, the collector of this first triode connects the first relay power end negative pole, and the emitter of this first triode connects the second control loop.
First normally closed contact of the first relay is connected with the first switching signal output line of body side, second normally closed contact of the first relay inputs transmission line with the first switching signal of body side and is connected, 3rd normally closed contact of the first relay inputs transmission line with the second switch signal of body side and is connected, 4th normally closed contact of the first relay exports transmission line with the second switch signal of body side and is connected, and the 4th normally closed contact also connects second control circuit simultaneously.
First normally opened contact of the first relay connects first resistance one end, also connects external power supply and filtering circuit simultaneously; Second normally opened contact of the first relay connects second control circuit.
In described second control loop, the positive pole of the second relay power end connects the negative pole of the second diode, and the negative pole of the second relay power end connects the positive pole of the second diode; The positive pole of the second relay power end also connects second resistance one end, this the second resistance other end connects the base stage of the second triode, the collector of this second triode connects the second relay power end negative pole, the emitter of this second triode is connected with the emitter of the first triode in the first control loop, also connects external power supply and filtering circuit simultaneously; Normally closed contact and first switching signal of the second relay export transmission line and are connected; The normally opened contact of the second relay is connected with the 3rd normally closed contact in the first control loop; Normally closed contact and first detection signal of the second relay export transmission line and are connected, and normally closed contact and second detection signal of the second relay export transmission line and be connected.
In power supply and filtering circuit, the positive pole of the 3rd diode is connected with power transmission line, the negative pole of the 3rd diode is connected with the first normally opened contact in the positive pole of the second relay power end, the first control loop, simultaneously, the negative pole of the 3rd diode also connects first electric capacity one end and second electric capacity one end, the first electric capacity other end, the second electric capacity other end are connected with ground connection transmission line, and are connected with the emitter of the second triode.
The transmission line of the switching signal input circuit that described body side is drawn is connected with detected switch terminal respectively.
Described control loop forms the first control loop by the first resistance, the first diode, the first triode and the first relay respectively, the second control loop is formed by the second resistance, the second diode, the second triode and the second relay, power supply and filtering circuit is formed by the 3rd diode, the first electric capacity, the second electric capacity, first switching signal input transmission line, second switch signal input transmission line connects a path switching signal input circuit, first switching signal exports transmission line, second switch signal exports transmission line and connects a path switching signal output circuit, first detection signal exports transmission line, second detection signal exports transmission line and connects a road detection signal output circuit, pass through power transmission line, ground connection transmission line external 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, detection signal output circuit synchronous regime exports, and output circuit is completely isolated in input circuit.
The advantage that the utility model has and good effect are: due to each electronic component composition control loop be encapsulated in the internal circuit board of body of the present utility model, each circuit of control loop is drawn respectively by transmission line in body two sides, minimizing takes up room, so it is reasonable in design, realize completely isolated formula to detect, mutually interference-free between circuit, guarantee that detected state is stablized, accurately, and do not affect the use of former on-off circuit, in addition, because being encapsulated in the control loop of each electronic component composition in the internal circuit board of body, be configured with two dpdt relays and form first control circuit, second control circuit, and control first by means of only external power supply and filtering circuit, the action of second control circuit, the two-way synchronous regime that can realize a road input circuit exports, can well to the isolated state synchronized monitoring of the detected switch of input signal, therefore this device to have structure simple, volume is little, be convenient to in-site installation, without the need to the advantage of debugging.Therefore, the utility model solves the problems such as existing monitoring method is complicated, the detection of monitoring state is unstable, difficulty of construction is large, cost is higher, and the carrying out that can be widely used in the equipment such as some switch that cannot increase auxiliary contact, buttons is easily monitored.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is a kind of concrete structure schematic diagram of the present utility model.
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 utility model.
In figure, sequence number illustrates: 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 export transmission line, the output of A8 switching signal transmission line, J1 first relay, J2 second relay.
Embodiment
Concrete structure of the present utility model is described in detail according to Fig. 1 ~ 3.This pick-up unit comprises the parts such as body 1, internal circuit board 2, transmission line and control loop.The control loop be wherein made up of each electronic component commonly used is encapsulated in the internal circuit board 2 of body 1.This control loop by the first relay J 1 and configuration corresponding resistor R1, diode D1, triode Q1 etc. form first control circuit, the second relay J 2 and configuration corresponding resistor R2, diode D2, triode Q2 etc. form second control circuit.First relay, the second relay all adopt dpdt relay.In order to reduce taking up room of each circuit in control loop, draw each circuit from two sides of body 1 respectively by each transmission line.Each transmission line is respectively: power transmission line A1, ground connection transmission line A2, detection signal export transmission line A3, detection signal exports transmission line A4, switching signal input transmission line A5, switching signal input transmission line A6, switching signal output transmission line A7, switching signal export transmission line A8.And make detection signal output circuit, switching signal input circuit, the switching signal output circuit of drawing respectively, the actuating of relay in first control circuit, second control circuit is controlled by external power supply and filtering circuit, the two-way synchronous regime realizing a road input circuit exports, to the isolated state synchronized monitoring of the detected switch of input signal.
In above-mentioned control loop, form first control circuit by resistance R1, diode D1, triode Q1 and the first relay J 1 respectively.Second control circuit is formed by resistance R2, diode D2, triode Q2 and the second relay J 2.By diode D3, electric capacity C1, C2 form power supply and filtering circuit.Switching signal input transmission line A5, A6 connects a path switching signal input circuit, switching signal exports transmission line A7, A8 connects a path switching signal output circuit, detection signal exports transmission line A3, A4 connects a road detection signal output circuit, by A1 power transmission line, ground connection transmission line A2 external 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, detection signal output circuit synchronous regime exports, and output circuit is completely isolated in input circuit.
In first control loop, the negative pole of the cathode connecting diode D1 of relay J 1 power end, the negative pole of relay J 1 power end connects the positive pole of diode D1; Positive pole also contact resistance R1 one end of relay J 1 power end, the base stage of this resistance R1 other end connecting triode Q1, the collector of this triode Q1 connects the first relay J 1 power end negative pole, and the emitter of this triode Q1 connects the second control loop;
The normally closed contact 2 of relay J 1 is connected with the first switching signal output line A7 of body side, the normally closed contact 3 of relay J 1 inputs transmission line A5 with the switching signal of body side and is connected, the normally closed contact 8 of relay J 1 inputs transmission line A6 with the switching signal of body side and is connected, the normally closed contact 9 of relay J 1 exports transmission line A8 with the switching signal of body side and is connected, and this normally closed contact 9 also connects second control circuit simultaneously.
Normally opened contact 4 contact resistance R1 one end of relay J 1, also connects external power supply and filtering circuit simultaneously.The normally opened contact 7 of relay J 1 connects second control circuit.
In second control loop, the negative pole of the cathode connecting diode D2 of relay J 2 power end, the negative pole of relay J 2 power end connects the positive pole of diode D2; Positive pole also contact resistance R2 one end of relay J 2 power end, the base stage of this resistance R2 other end connecting triode Q2, the collector connection relay J2 power end negative pole of this triode Q2, the emitter of this triode Q2 is connected with the emitter of the triode Q1 in the first control loop, also connects external power supply and filtering circuit simultaneously; Normally closed contact 3 and the switching signal of relay J 2 export transmission line A7 and are connected; The normally opened contact 4 of relay J 2 is connected with the normally closed contact 9 in the first control loop; Normally closed contact 8 and the detection signal of relay J 2 export transmission line A3 and are connected, and normally closed contact 7 and the detection signal of relay J 2 export transmission line A4 and be connected;
In power supply and filtering circuit, the positive pole of diode D3 is connected with power transmission line A3, the negative pole of diode D3 is connected with normally opened contact 4 in the positive pole of relay J 2 power end, the first control loop, simultaneously, the negative pole of this diode D3 also connects electric capacity C1 one end and electric capacity C2 one end, the electric capacity C1 other end, the electric capacity C2 other end are connected with ground connection transmission line A2, and are connected with the emitter of triode Q2.
The utility model is not shown for detected K switch G() its testing process is described.When monitoring detected K switch G state, as long as transmission line A5, A6 of the switching signal input circuit of body side extraction are connected with two terminals of detected K switch G respectively, just can carry out having monitored.
When monitoring, transmission line A1 is accessed DC direct current 12V power supply, and transmission line A2 connects power supply ground; Two of detected K switch G terminals, the transmission line A5 drawn with body side respectively and transmission line A6 is connected.Transmission line A3 is communicated with transmission line A4 when the switch is closed, transmission line A7 is communicated with transmission line A8, all be consistent with switch motion, like this transmission line A7 and transmission line A8 is taken back the circuit of original switch access, transmission line A3 and transmission line A4 exports, for testing circuit as the detection of switch motion.The scope of application of the present utility model widely.
The principle of specific implementation is, as Fig. 3, time invalid for DC power supply, because transmission line A5 and A7 is connected on normally closed contact 3 and 2 pin of relay J 1; Transmission line A6 and A8 is connected on normally closed contact 9 and 8 pin of relay J 1, ensures transmission line A5 and A6 and A7 and A8 state consistency like this; Time effective for DC power supply, namely transmission line A1 is 12V, and transmission line A2 is ground, resistance R1 and triode Q1 obtains power supply, pilot relay J1 action, J1 relay normally closed contact 2 and 3 disconnects, normally closed contact 8 and 9 disconnects, and such A7 and A8 is in off-state, if when detected K switch G is in and disconnects not closed, namely A5 and A6 does not close, and relay J 2 can not get power supply, can not action, at this moment 3 pin of J2 and 4 pin are in unsettled off-state, and transmission line A3 and A4 is in off-state; If output switching terminal closes, namely transmission line A5 and A6 closes, 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 such resistance R2 and triode Q2 obtains power supply, pilot relay J2 action, 3 pin of such J2 and 4 pin close, transmission line A7 and A8 closes, and 7 pin and 8 pin of J2 also close, and transmission line A3 and A4 closes.This ensure that transmission line A5, A6 state change that switch accesses changes consistent with transmission line A7, A8 and transmission line A3, A4, transmission line A7 and A8 accesses original switch place in circuit, and transmission line A3 and A4 is 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 each electronic component composition in the internal circuit board of described body, by the corresponding resistor of the first relay and configuration, diode, triode forms first control circuit, by the corresponding resistor of the second relay and configuration, diode, triode forms 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 control first control circuit by external power supply and filtering circuit, second control circuit action, the two-way synchronous regime realizing a road input circuit exports, to the isolated state synchronized monitoring of the detected switch of input signal,
In described first control loop, the negative pole of the cathode connecting diode (D1) of the first relay (J1) power end, the negative pole of the first relay power end connects the positive pole of the first diode (D1); The positive pole of the first relay (J1) power end also connects the first resistance (R1) one end, this the first resistance (R1) other end connects the base stage of the first triode (Q1), the collector of this first triode (Q1) connects the first relay (J1) power end negative pole, and the emitter of this first triode (Q1) connects the second control loop;
First normally closed contact (2) of the first relay (J1) is connected with the first switching signal output line (A7) of body side, second normally closed contact (3) and first switching signal of body side of the first relay (J1) input transmission line (A5) and are connected, 3rd normally closed contact (8) and the second switch signal of body side of the first relay (J1) input transmission line (A6) and are connected, 4th normally closed contact (9) and the second switch signal of body side of the first relay (J1) export transmission line (A8) and are connected, 4th normally closed contact (9) also connects second control circuit simultaneously,
First normally opened contact (4) of the first relay (J1) connects the first resistance (R1) one end, also connects external power supply and filtering circuit simultaneously; Second normally opened contact (7) of the first relay (J1) connects second control circuit;
In described second control loop, the positive pole of the second relay (J2) power end connects the negative pole of the second diode (D2), and the negative pole of the second relay (J2) power end connects the positive pole of the second diode (D2); The positive pole of the second relay (J2) power end also connects the second resistance (R2) one end, this the second resistance (R2) other end connects the base stage of the second triode (Q2), the collector of this second triode (Q2) connects the second relay (J2) power end negative pole, the emitter of this second triode (Q2) is connected with the emitter of the first triode (Q1) in the first control loop, also connects external power supply and filtering circuit simultaneously; Normally closed contact (3) and first switching signal of the second relay export transmission line (A7) and are connected; The normally opened contact (4) of the second relay (J2) is connected with the 3rd normally closed contact (9) in the first control loop; Normally closed contact (8) and first detection signal of the second relay (J2) export transmission line (A3) and are connected, and normally closed contact (7) and second detection signal of the second relay (J2) export transmission line (A4) and be connected;
In power supply and filtering circuit, the positive pole of the 3rd diode (D3) is connected with power transmission line (A1), the negative pole of the 3rd diode (D3) and the positive pole of the second relay (J2) power end, in first control loop, the first normally opened contact (4) connects, simultaneously, the negative pole of the 3rd diode (D3) also connects the first electric capacity (C1) one end and the second electric capacity (C2) one end, first electric capacity (C1) other end, second electric capacity (C2) other end is connected with ground connection transmission line (A2), and be connected with the emitter of the second triode (Q2).
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 described body side is drawn 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 the first resistance (R1), the first diode (D1), the first triode (Q1) and the first relay (J1) respectively, the second control loop is formed by the second resistance (R2), the second diode (D2), the second triode (Q2) and the second relay (J2), power supply and filtering circuit is formed by the 3rd diode (D3), the first electric capacity (C1), the second electric capacity (C2), first switching signal input transmission line (A5), second switch signal input transmission line (A6) connects a path switching signal input circuit, first switching signal exports transmission line (A7), second switch signal exports transmission line (A8) and connects a path switching signal output circuit, first detection signal exports transmission line (A3), second detection signal exports transmission line (A4) and connects a road detection signal output circuit, by power transmission line (A1), ground connection transmission line (A2) external 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, detection signal output circuit synchronous regime exports, and output circuit is completely isolated in input circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398253.4U CN204129179U (en) | 2014-07-18 | 2014-07-18 | The isolated pick-up unit of on off state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398253.4U CN204129179U (en) | 2014-07-18 | 2014-07-18 | The isolated pick-up unit of on off state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204129179U true CN204129179U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420398253.4U Expired - Fee Related CN204129179U (en) | 2014-07-18 | 2014-07-18 | The isolated pick-up unit of on off state |
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| Country | Link |
|---|---|
| CN (1) | CN204129179U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473312A (en) * | 2018-12-29 | 2019-03-15 | 无锡新图云创科技发展有限公司 | A kind of strong and weak general dyadic combinational logic mould group being electrically isolated |
-
2014
- 2014-07-18 CN CN201420398253.4U patent/CN204129179U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473312A (en) * | 2018-12-29 | 2019-03-15 | 无锡新图云创科技发展有限公司 | A kind of strong and weak general dyadic combinational logic mould group being electrically isolated |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20170718 |
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| CF01 | Termination of patent right due to non-payment of annual fee |