CN104076278B - On off state isolated detection device - Google Patents
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Abstract
A kind of switch, the on off state isolated detection device of the device actions such as button, solve existing monitoring method complicated, the problem such as relatively costly, including body, internal circuit board, transmission line and control loop, it is characterized in that: in the control loop being encapsulated in the internal circuit board of body, respectively by first, second relay and the corresponding resistor of configuration, diode, audion constitutes first, second control circuit, this body side surface draws detection signal output apparatus respectively by transmission line, switching signal input circuit, switching signal output circuit, and control first by external power supply and filter circuit, second control circuit action, realize the two-way synchronous regime output of a road input circuit, isolated state synchronized monitoring to the detected switch of input signal.It is reasonable in design, it is achieved completely isolated formula detects, mutually interference-free between circuit, it is ensured that it is in stable condition, accurate to detect, simple in construction, and volume is little, it is simple to in-site installation, without debugging.
Description
Technical field
The present invention relates to a kind of device for detecting device action, auxiliary contact cannot be increased especially for some
The on off state isolated detection device that the equipment such as switch, button are monitored, it is mainly used in monitoring some equipment can be real
The most automatically detect, and don't affect its place normally used.
Background technology
At present, place is automatically monitored at some, it is often necessary to some switches, button or circuit are carried out the detection of break-make.
The equipment of auxiliary contact can be connect now for relay etc., can be monitored by auxiliary contact, but for switch, button
Etc. cannot increase the equipment of auxiliary contact, monitoring method is more complicated, monitoring cost is higher, on-line monitoring state detection shakiness
Fixed.As being monitored the electric current flow through, this mode is high for small area analysis monitoring cost, monitoring is easily subject to interference, and right
Button in voltage circuit is monitored, the most helpless.Authorization Notice No. is " the detection device " of CN 101750588B, bag
Including the adapter for connecting host computer display lamp adapter and relay, it is only applicable to detect hard disk indication lamp, electricity
The detection instrument that source display lamp is the best, does not possess on-line real time monitoring on off state function, and cannot set to be detected
Use during standby normal work；Application publication number is " Switch detection system " of CN 103003180A, be mainly used in elevator and from
The determination of the switch activateding of dynamic staircase control system and recognition detection.It is utilized in on-off circuit sealing in resistance, measurement
Voltage's distribiuting, obtains on off state, needs to detect device and seals in switching circuitry, needs processor to calculate voltage, and detection method is multiple
Miscellaneous, it addition, there is no synchro switch State-output；Application publication number is " a kind of switch detector " of CN 103197240A,
Include power supply, relay, termination and alarming device, wherein relay switch and alarming device series connection, relay coil
Connect with termination.During detection, need to be installed on termination proximity switch, by line ball end face, movable end face
Coordinating and be installed in detector circuit by proximity switch, then moved towards proximity switch by metal, proximity switch is made a response and makes
Relay is made a response, thus judges that proximity switch the most normally or has damaged by alarming device.It is mainly used for detection
The most effective device of a kind of proximity switch, does not the most possess on off state synchronism output function.
Summary of the invention
It is an object of the invention to provide the on off state isolated detection device of the device actions such as a kind of switch, button, solve
The problems such as existing monitoring method is complicated, relatively costly, it is reasonable in design, it is achieved completely isolated formula detects, between circuit the most not
Being disturbed, it is ensured that it is in stable condition, accurate to detect, and do not affect the use of former on-off circuit, have simple in construction, volume is little,
It is easy to in-site installation, without the advantage debugged.
The technical solution adopted in the present invention is: this on off state isolated detection device include body, internal circuit board,
Transmission line and control loop, be characterized in that: each electronic component composition being encapsulated in the internal circuit board of described body
Control in loop, the first relay and the corresponding resistor of configuration, diode, audion constitute first control circuit, by second
Relay and the corresponding resistor of configuration, diode, audion composition second control circuit, this body side surface is drawn respectively by transmission line
Go out to detect signal output apparatus, switching signal input circuit, switching signal output circuit, and by external power supply and filter circuit
Control first control circuit, second control circuit action, it is achieved the two-way synchronous regime output of a road input circuit, to input letter
Number detected switch isolated state synchronized monitoring；
First controls in loop, the positive pole 1 of the first relay J 1 power end respectively with negative pole, first electricity of the first diode D1
Resistance R1 one end, the negative pole of the first relay J 1 first normally opened contact 4 and the 3rd diode D3 connect, the first resistance R1
The base stage of the other end and the first audion Q1 connects；The negative pole 10 of the first relay J 1 respectively with the collection of the first audion Q1
The positive pole of electrode and the first diode D1 connects, and the emitter stage of the first audion Q1 and second controls the ground connection transmission line in loop
A2 connects；First relay (first normally-closed contact 2 of 1 respectively with the first switching signal output lead A7 of this body side surface, second
The normally-closed contact 13 of relay J 2 connects；Second normally-closed contact 3 of the first relay J 1 is believed with first switch of this body side surface
Number input transmission line A5 connect；3rd normally-closed contact 8 of the first relay J 1 passes with the second switch signal input of this body side surface
Defeated line A6 connects；4th normally-closed contact 9 of the first relay J 1 exports transmission line A8 with the second switch signal of this body side surface
Connecting, the 4th normally-closed contact 9 is also simultaneously connected with the first normally opened contact 14 of the second relay J 2 of second control circuit；The
Second normally opened contact 7 of one relay J 1 is connected with the positive pole 11 of the second relay J 2 power end of second control circuit；
Second controls in loop, the positive pole 11 of the second relay J 2 power end respectively with the negative pole of the second diode D2, second
The negative pole of resistance R2 one end and the 3rd diode D3 connects, and the second resistance R2 other end connects the base of the second audion Q2
Pole；The negative pole 20 of the second relay J 2 connects with the colelctor electrode of the second audion Q2 and the positive pole of the second diode D2 respectively
Connect；The emitter stage of the second audion Q2 is connected with ground connection transmission line A2；Second normally-closed contact 13 and first of the second relay
Switching signal output transmission line A7 connects；3rd normally-closed contact 8 and the first detection signal output transmission line of the second relay J 2
A3 connects；Second normally opened contact 17 of the second relay J 2 is connected with the second detection signal output transmission line A4；
In power supply and filter circuit, the positive pole of the 3rd diode D3 is connected with power transmission line A1, the 3rd diode D3's
Negative pole is connected with one end of the first electric capacity C1 and the second electric capacity C2 in filter circuit, the first electric capacity C1 other end, the second electric capacity
The C2 other end is connected with ground connection transmission line A2.
The transmission line of the switching signal input circuit of described body side surface extraction is connected with detected switch terminal respectively.
The present invention has the advantage that and good effect is: due to each electricity in the internal circuit board being encapsulated in body of the present invention
Sub-element composition control loop, body two sides by transmission line respectively draw control loop each circuit, minimizing takes up room,
It is so it is reasonable in design, it is achieved completely isolated formula detects, the most interference-free between circuit, it is ensured that it is in stable condition, accurate to detect,
And do not affect the use of former on-off circuit, it addition, the control of each electronic component composition because being encapsulated in the internal circuit board of body
In loop, it is configured with two dpdt relays and constitutes first control circuit, second control circuit, and only pass through external power supply
And filter circuit controls the action of first, second control circuit, the two-way synchronous regime output of a road input circuit can be realized,
Well the isolated state synchronized of the detected switch of input signal can be monitored, therefore this device has simple in construction, volume
Little, it is simple to in-site installation, without debugging advantage.Therefore, the present invention solves existing monitoring method complexity, monitoring state detection
The problems such as unstable, difficulty of construction is big, relatively costly, can be widely used in some easily cannot increase auxiliary and touch
Being monitored of the equipment such as the switch of point, button.
Accompanying drawing explanation
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 Fig. 1 sectional view along line A-A.
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 detect letter
Number 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.
Detailed description of the invention
The concrete structure of the present invention is described in detail according to Fig. 1～2.This detection device includes body 1, internal circuit board 2, passes
The parts such as defeated line and control loop.The loop that controls wherein being made up of each electronic component commonly used is encapsulated in the built-in circuit of body 1
On plate 2.This control loop is respectively by first relay J the 1, second relay J 2 and the corresponding resistor R1 of configuration, R2, two poles
Pipe D1, D2, audion Q1, Q2 etc. constitute first control circuit and second control circuit.First relay, the second relay
Device all uses dpdt relay.Taking up room of each circuit in loop is controlled in order to reduce, logical from two sides of body 1
Cross each transmission line and draw each circuit respectively.Each transmission line is respectively as follows: 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 the detection signal output electricity drawn respectively
Road, switching signal input circuit, switching signal output circuit, control the first control electricity by external power supply and filter circuit
The actuating of relay in road, second control circuit, it is achieved the two-way synchronous regime output of a road input circuit, to input signal
The isolated state synchronized monitoring of detected switch.
In above-mentioned control loop, formed by resistance R1, diode D1, audion Q1 and the first relay J 1 respectively
One control circuit.Second control circuit is formed by resistance R2, diode D2, audion Q2 and the second relay J 2.By two
Pole pipe D3, electric capacity C1, C2 composition power supply and filter circuit.Switching signal input transmission line A5, A6 connect a way switch
Signal input circuit, switching signal output transmission line A7, A8 connect a path switching signal output circuit, detection signal output biography
Defeated line A3, A4 connect a road detection signal output apparatus, by A1 power transmission line, ground connection transmission line A2 external power supply
Power supply and filter circuit, control first control circuit, the corresponding actuating of relay of second control circuit, it is achieved a path switching signal is defeated
Enter circuit double switch signal output apparatus, detection signal output apparatus synchronous regime output, and output circuit completely isolated in
Input circuit.
The present invention illustrates its detection process as a example by detected switch KG (not shown).When the detected switch of monitoring
During KG state, if transmission line A5, A6 of the switching signal input circuit that this body side surface is drawn respectively with detected switch
Two terminals of KG connect, it is possible to be monitored.
When being monitored, transmission line A1 being accessed DC direct current 12V power supply, transmission line A2 connects power supply ground；Detected
Two terminals of switch KG, the transmission line A5 and the transmission line A6 that draw with this body side surface respectively are connected.When switch Guan Bi
Time transmission line A3 connect with transmission line A4, transmission line A7 connects with transmission line A8, all with switch motion keep consistent, this
Sample takes back, transmission line A7 and transmission line A8, the circuit that original switch accesses, and transmission line A3 and transmission line A4 is dynamic as switch
The detection output made, for testing circuit.The scope of application of the present invention is widely.
The principle implemented is, such as Fig. 3, for D/C power invalid time, owing to transmission line A5 and A7 is connected to continue
On normally-closed contact 3 and 2 foot of electrical equipment J1；Transmission line A6 and A8 is connected to normally-closed contact 9 and 8 foot of relay J 1
On, so ensure transmission line A5 and A6 and A7 and A8 state consistency；For D/C power effective time, i.e. transmission line A1
Being ground for 12V, transmission line A2, resistance R1 and audion Q1 obtains power supply, controls relay J 1 action, J1 relay
Normally-closed contact 2 and 3 disconnects, normally-closed contact 8 and 9 disconnects, and such A7 and A8 is off, and opens if detected
Close KG be in disconnection not closed time, i.e. A5 and A6 does not close, and relay J 2 can not get power supply, will not action, at this moment
13 feet of J2 and 14 feet are in unsettled off-state, and transmission line A3 and A4 is off；If output switching terminal closes
Close, i.e. transmission line A5 and A6 closes, and at this moment, after J1 action, 3 feet of J1 and 4 feet connect, 7 feet of J1 and
8 feet connect, transmission line A5 is connected with 3 feet of J1 again, and transmission line A6 is connected with 8 feet of J1 again, such resistance R2 with
Audion Q2 obtains power supply, controls relay J 2 action, 13 feet of such J2 and 14 feet Guan Bi, transmission line A7 and A8
Closing, 17 feet and 18 feet of J2 also close, and transmission line A3 and A4 closes.This ensure that the transmission line that switch accesses
The change of A5, A6 state changes consistent with transmission line A7, A8 and transmission line A3, A4, and transmission line A7 and A8 accesses original
Switch accesses circuit, and transmission line A3 and A4 is as the synchronous monitoring State-output of on off state.
Claims (2)
1. an on off state isolated detection device, including body, internal circuit board, transmission line and control loop, it is characterized in that: in the control loop of each electronic component composition being encapsulated in the internal circuit board of described body, by the first relay and the corresponding resistor of configuration, diode, audion constitutes first control circuit, by the second relay and the corresponding resistor of configuration, diode, audion constitutes second control circuit, this body side surface draws detection signal output apparatus respectively by transmission line, switching signal input circuit, switching signal output circuit, and control first control circuit by external power supply and filter circuit, second control circuit action, realize the two-way synchronous regime output of a road input circuit, isolated state synchronized monitoring to the detected switch of input signal；
First controls in loop, the positive pole (1) of the first relay (J1) power end negative pole with negative pole, the first resistance (R1) one end, the first relay (J1) the first normally opened contact (4) and the 3rd diode (D3) of the first diode (D1) respectively is connected, and the base stage of the first resistance (R1) other end and the first audion (Q1) connects；The negative pole (10) of the first relay (J1) power end is connected with the colelctor electrode of the first audion (Q1) and the positive pole of the first diode (D1) respectively, and the emitter stage of the first audion (Q1) is connected with ground connection transmission line (A2)；
First normally-closed contact (2) of the first relay (J1) is connected with the first switching signal output transmission line (A7), second normally-closed contact (13) of the second relay (J2) of this body side surface respectively；Second normally-closed contact (3) of the first relay (J1) is connected with first switching signal input transmission line (A5) of this body side surface；3rd normally-closed contact (8) of the first relay (J1) inputs transmission line (A6) with the second switch signal of this body side surface and is connected；4th normally-closed contact (9) of the first relay (J1) exports transmission line (A8) with the second switch signal of this body side surface and is connected, and the 4th normally-closed contact (9) is also simultaneously connected with first normally opened contact (14) of second relay (J2) of second control circuit；Second normally opened contact (7) of the first relay (J1) is connected with the positive pole (11) of the second relay (J2) power end of second control circuit；
Second controls in loop, the positive pole (11) of the second relay (J2) power end negative pole with negative pole, the second resistance (R2) one end and the 3rd diode (D3) of the second diode (D2) respectively is connected, and the second resistance (R2) other end connects the base stage of the second audion (Q2)；The negative pole (20) of the second relay (J2) power end is connected with the colelctor electrode of the second audion (Q2) and the positive pole of the second diode (D2) respectively；The emitter stage of the second audion (Q2) is connected with ground connection transmission line (A2)；Second normally-closed contact (13) of the second relay (J2) is connected with the first switching signal output transmission line (A7)；3rd normally-closed contact (18) of the second relay (J2) is connected with the first detection signal output transmission line (A3)；Second normally opened contact (17) of the second relay (J2) is connected with the second detection signal output transmission line (A4)；
In power supply and filter circuit, the positive pole of the 3rd diode (D3) is connected with power transmission line (A1), the negative pole of the 3rd diode (D3) is connected with one end of the first electric capacity (C1) and the second electric capacity (C2) in filter circuit, and the first electric capacity (C1) other end, the second electric capacity (C2) other end are connected with ground connection transmission line (A2).
On off state the most according to claim 1 isolated detection device, it is characterised in that: the transmission line of the switching signal input circuit of described body side surface extraction is connected with detected switch terminal respectively.
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 |
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| Publication Number | Publication Date |
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| CN104076278A CN104076278A (en) | 2014-10-01 |
| CN104076278B true CN104076278B (en) | 2016-08-24 |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4720896B2 (en) * | 2008-10-08 | 2011-07-13 | 株式会社デンソー | Abnormality diagnosis device for power supply circuit and power supply circuit |
| US9128155B2 (en) * | 2010-06-02 | 2015-09-08 | Otis Elevator Company | 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 |
| DE102011054968A1 (en) * | 2011-10-31 | 2013-05-02 | Phoenix Contact Gmbh & Co. Kg | Safety-related switching device |
| CN102508155B (en) * | 2011-11-08 | 2014-02-05 | 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 |
| CN103439649B (en) * | 2013-06-28 | 2016-06-22 | 江苏林洋能源股份有限公司 | A kind of monitoring system controlling circuit switching access state |
| CN203572931U (en) * | 2013-11-18 | 2014-04-30 | 深圳市易能电气技术有限公司 | Detection feedback circuit |
| CN103728529B (en) * | 2013-12-20 | 2016-08-17 | 中国南方电网有限责任公司超高压输电公司广州局 | A kind of switch gap condition discrimination method |
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Inventor after: Song Xinjun Inventor after: Guo Shuyan Inventor before: Song Xinjun |
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Effective date of registration: 20241021 Address after: Room 925, Building 1, Chentang Science and Technology Innovation Park (Kwun Tong Building), Southeast Corner of Neijiang Road and Chongjiang Road Intersection, Hexi District, Tianjin, with a budget of 300000 RMB Patentee after: Beijing Keybao Technology Co.,Ltd. Country or region after: China Address before: Hunnan New Century Road 110179 Shenyang city of Liaoning Province, No. 37 Patentee before: SHENYANG LANGUANG NETWORK DATA TECHNOLOGY Co.,Ltd. Country or region before: China |