CN2150680Y - Far-distance monitoring device for service work - Google Patents
Far-distance monitoring device for service work Download PDFInfo
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- CN2150680Y CN2150680Y CN93209658U CN93209658U CN2150680Y CN 2150680 Y CN2150680 Y CN 2150680Y CN 93209658 U CN93209658 U CN 93209658U CN 93209658 U CN93209658 U CN 93209658U CN 2150680 Y CN2150680 Y CN 2150680Y
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Abstract
The utility model discloses a far-distance monitoring device for service work, which is composed of a service interface circuit 2, a power circuit 3, an audio cable core wire 4, a service circuit 5, a receiving circuit 6, a voltage transformation module 7, etc. The working state of devices, such as an information channel machine, etc., within five kilometers can be monitored, and the utility model can send out sound and light to alarm for failure; the far-distance service communication between the station and other stations can also be realized to cause the purpose of unmanned operation to be achieved. In addition, the utility model has the characteristics of simple circuit, convenient debugging, reliable performance, small size, low cost, etc. The utility model can be used for the far-distance monitoring of a micro-wave communication station, a scattering communication station, etc.
Description
The utility model relates to the far-end duties monitoring arrangement of communication equipment, and the far-end that can be applied to communication stations such as microwave, scattering monitors, to reach unattended purpose.
Present domestic communication station, microwave station particularly, many build in have inconvenient traffic, places such as mountain top that environment is abominable, this brings many difficulties and inconvenience for minder person, the user who for this reason has buys a cover supervisory control system when buying communication equipment, concentrate on a certain station other communication station is monitored.But this cover supervisory control system needs computer control, and more complicated, price are also high, and this requires not too high for monitoring function, just hopes that the user that the operator's cab is moved a place is not too suitable, thereby its popularization is restricted.
The purpose of this utility model is to avoid the weak point in the above-mentioned background technology, and provide a kind of can be at 5 kilometers with the supervision of interior realization to equipment working states such as channel devices, and can send sound, light alarm to fault, can also realization and our station and other station between far-end duties contact, to reach unattended purpose.In addition, the utlity model has characteristics such as circuit is simple, debugging convenience, dependable performance, volume is little, cost is low, the far-end that can be applied to communication stations such as microwave, scattering monitors, to reach unattended purpose.
The utility model be achieved in that the utility model by voice-frequency cable heart yearn 4, voltage transformation module 7, duties interface circuit 2, Power Generation Road 3, service circuit 5, receive circuit 6 and form.Wherein duties interface circuit 2 go into out end 1,6 respectively with the discrepancy end of external channel device 1, go out end 2,3 and go into end 4,5 going into end 7,8 and going out to hold 11,12 to be connected by voice-frequency cable heart yearn 4 and service circuit 5 respectively, Power Generation Road 3 respectively goes into to hold external channel device 1 to go out to hold alarm line to join, go out end 17,18 and go into to hold 13,14 to be connected by voice-frequency cable heart yearn 4 with receipts circuit 6, receipts circuit 6 is gone into out end 16,15 and is connected with service circuit 5 discrepancy ends 9,10 respectively.The voltage transformation module respectively goes out terminal voltage V2 to V4 and is connected with the each several part feeder ear of service circuit 5, receipts circuit 6, M holds earth terminal, go into to hold V1 external-the 24V DC power supply, power supply V6, the V7 of Power Generation Road 3 end respectively with power supply V6, the V7 of duties interface circuit 2 and the power supply that connects channel device 1 after connecing go out to hold V6, V7, the power supply of the power supply V5 termination channel device 1 of Power Generation Road 3 goes out to hold V5.
The purpose of this utility model can also reach by following measure:
The utility model service circuit 5 is made up of transformer 12 and 13, operational amplifier 14 and 16, frequency judgement integrated circuit 15, K switch 1, receiver B1, transmitter B2.Wherein transformer 12 primary coils 7,8 ends go out to hold 2,3 to be connected by voice-frequency cable heart yearn 4 with duties interface circuit 2, operational amplifier 14 is gone into end 1 and resistance R 5, potentiometer RP3 one end and is connect, earth terminal behind resistance R 5 serial connection capacitor C 5, transformer 12 secondary coils.Operational amplifier 14 is gone into earth terminal behind the end 2 series resistor R6, goes out end 4 with capacitor C 6 one ends, the potentiometer RP3 other end and centre cap thereof and connect.Earth terminal behind capacitor C 6 other ends serial connections receiver B1, and series resistor R7, capacitor C 7 backs go into to hold 3 to be connected with frequency judgement integrated circuit 15.Frequency judgement integrated circuit 15 goes into end 5,6 and connecting resistance R8 is connected in series capacitor C 8 back earth terminals again, goes out end 1,2 and is connected in series earth terminal behind capacitor C 9, the C10 respectively, goes out end 8 and receives circuit 6 and go into to hold 16 to be connected.Receiving circuit 6 goes out end 15 serial connection K switch 1, resistance R 11 backs and goes into end 1, potentiometer RP4 one end with resistance R 10 1 ends, operational amplifier 16 and connect, resistance R 10 other ends serial connection capacitor C 13 backs and resistance R 9 one ends, transmitter B2 one end also connect, transmitter B2 other end earth terminal, resistance R 9 another termination voltage transformation modules 7 go out terminal voltage V3.Operational amplifier 16 is gone into earth terminal behind the end 2 series resistor R12, go out end 4 with capacitor C 14 1 ends, the potentiometer RP4 other end and centre cap thereof and connect, earth terminal behind capacitor C 14 other end series transformers 13 primary coils, transformer 13 secondary coils 11,12 ends are gone into end 4,5 by voice-frequency cable heart yearn 4 backs with duties interface circuit 2 and are connected.What operational amplifier 14,16 went into respectively that end 3 connects voltage transformation module 7 goes out to hold V4, respectively goes into end 5 and picks out end V3, and frequency judgement integrated circuit 15 is gone into end 7 earth terminals, goes into end 4 and is connected with the V2 that goes out to hold of voltage transformation module 7.
The utility model Power Generation Road 3 is made up of oscillator divider 17, shift register 18 to 20, decoder 21, operational amplifier 22, transformer 23, gate circuit D1 to D5 and D8, analog switch D6 and D7, field effect transistor G2.Wherein the end 6,14,1,2 that goes out of oscillator divider 17 goes into to hold 2,3,14,13 to be connected with decoder 21 respectively, go out behind the end 9 serial connection crystal G1 with resistance R 13, R14 one end and connect, go out end 10,11 and be connected with resistance R 14, the R13 other end respectively, go out end 8,12 earth terminals, go into end 16 and meet power supply V5.By shift register 18,19,20 respectively go into end 3 to 6,11 to 14 join with the alarm line of channel device 1 respectively, respectively go into end 2 and connect the end that back and negation gate D1 and inclusive OR gate D4, going into end 1 connects, respectively go into end 1 and connect the back and go out end 9 with decoder 21, negation gate D8 goes into end and connects, respectively go out end 15 and connect back and negation gate D8 go out end and " with " D5 goes into to hold 1 to be connected, shift register 18 is gone into end 10 ground connection, shift register 18,19,20 9,10 ends serial connection, shift register 20 go out end 9 with " with " D3 goes into to hold 1 to be connected, decoder 21 go out end 5,6 are connected with NOT AND gate D2 two inputs, NOT AND gate D2 go out the end serial connection " with " door D3, inclusive OR gate D4, " with " door D5 go into out end 2,3 backs and analog switch D6, D7 goes into end 5 and connects.The G utmost point that oscillator divider 17 goes out behind the end 7 series resistor R15 with field effect transistor G2 joins, the S utmost point of field effect transistor G2 and connecting resistance R16, capacitor C 18 back earth terminals, the D utmost point and connect inductance L 1, capacitor C 15 back serial connection capacitor C 16, and analog switch D6, D7 go into out end 1,2,3,4, resistance R 18 backs and go into end 1, potentiometer RP5 one end with operational amplifier 22 and connect, inductance L 1 centre cap meets V6.Operational amplifier 22 goes out end 4 and capacitor C 17 1 ends, and electricity is for the device RP5 other end and centre cap thereof and connect, and goes into earth terminal behind the end 2 series resistor R17.Earth terminal behind capacitor C 17 series transformers 23 primary coils, transformer 23 secondary wire are irised out end 17,18 and are gone into to hold 13,14 to be connected by voice-frequency cable heart yearn 4 with receipts circuit 6.Operational amplifier 22 is gone into end 3,5 and is gone out to hold V7, V6 to be connected with channel device 1 power supply respectively, 8 end earth terminals of shift register (18 to 20) and decoder (21), and the power supply of 16 termination channel devices 1 goes out to hold V5.
The utility model is received circuit 6 and is made up of oscillator divider 24, latch 25 to 27, shift register 28 to 30, trigger 31 to 33, gate circuit D8 to D15, operational amplifier 35, transformer 34, light-emitting diode V2 to V25, transistor V26, diode V27, loudspeaker B3.Wherein oscillator 24 goes out end 7 and goes into to hold 10 to be connected with service circuit 5, the end 1 of respectively going into that goes out end 3 AND circuit D8, D9 connects, go out end 4,5 respectively the end 2 of respectively going into of AND circuit D8, D9 connect, go out end 9 serial connection capacitor C 19 backs with resistance R 43, R44 one end and connect, going out end 10,11 is connected with resistance R 44, the R43 other end respectively, go out end 8,12 earth terminals, go into end 16 and go out terminal voltage V2 with voltage transformation module 7 and be connected.Gate circuit D9 goes into end 3 and goes out to hold 5 to be connected with trigger 33, gate circuit D8 goes into end 3 and goes out to hold 9 to be connected with service circuit 5, gate circuit D8, D9 respectively go out end 4 AND circuit (D10) and go into end 1,2 connections, and gate circuit D10 is connected with transistor V26 base stage after going out end 3 series resistor R46.Transistor V26 grounded emitter end, earth terminal behind collector electrode one tunnel serial connection capacitor C 26, the loudspeaker B3 goes out terminal voltage V3 with voltage transformation module 7 behind the series resistor R45 of another road of collector electrode and is connected.Voltage transformation module 7 goes out behind terminal voltage V2 and connecting resistance R19 to R42 one end each resistance R 19 to R42 and is connected in series light-emitting diode V2 to V25 respectively and is connected with the end 2,5,6,9,12,15,16,19 of respectively going into of latch 25 to 27 respectively.Latch 25 to 27 is respectively gone into end 11 and is connect the back and is connected with the end 4,9 that goes out, goes into of trigger 32, respectively goes into to hold 3,4,7,8,13,14,17,18 respectively to go out to hold 3 to 6,10 to 13 to be connected with shift register 28 to 30 respectively.Latch 25 is gone into end 3 AND circuit D11 and is gone into end 2 connections.The end 13 that goes out of shift register 28 is connected with the end 2 of going into of shift register 29, and the end 13 that goes out of shift register 29 is connected with the end 2 of going into of shift register 30.Go into end 2 and the trigger 31 of shift register 28 are gone into end 2,10, gate circuit D15 and are gone out to hold and be connected.Shift register 28 to 30 respectively goes into end 9 and connects the back to go out end 5 with trigger 32 and is connected, respectively goes into end 8 and connect the back to go out to hold 4 to be connected with trigger 31, and trigger 31 goes out to hold 5 to go into to hold 1 to be connected with trigger 32,33 respectively.Trigger 33 is gone into end 9 AND circuit D11 and is gone out end 3 connections, goes out end 4 AND circuit D11 and goes into to hold 1 to connect.Trigger 31 go into end 1,9,8 and trigger 32,33 go into end 8 ground connection, the end 2,10,16 of going into of going into end 16 and trigger 32,33 of trigger 31 connects voltage transformation module 7 and goes out terminal voltage V2.Transformer 34 primary coil two ends 13,14 are connected with the end 17,18 that goes out of Power Generation Road 3 by voice-frequency cable heart yearn 4, secondary coil one end earth terminal, and the other end is gone into end 1, potentiometer RP6 one end by capacitor C 27, resistance R 47 backs with operational amplifier 35 and is connect.Operational amplifier 35 is gone into earth terminal behind the end 2 series resistor R48, goes out end 4 with capacitor C 28 1 ends, the potentiometer RP6 other end and centre cap thereof and connect.Capacitor C 28 other ends serial connection gate circuit D12 and D13, diode V27, resistance R 49, gate circuit D14, D15 go into end.Capacitor C 29, resistance R 50 1 ends also connect diode V27 negative pole and resistance R 49 1 ends, other end earth terminal, operational amplifier 35 is gone into end 3,5 and is gone out terminal voltage V4, V3 with voltage transformation module 7 and be connected, 7 end earth terminals of 10 ends of latch 25 to 27 and shift register 28 to 30,20,14 ends connect voltage transformation module 7 respectively and go out terminal voltage V2.
The utility model has been compared following advantage with background technology:
1, the utility model can 5 kilometers with the supervision of interior realization to equipment working states such as channel devices, and can send sound, light alarm to fault, can also realization get in touch with, to reach unattended purpose with the far-end duties between our station and other station.
2, the utlity model has characteristics such as circuit is simple, debugging convenience, dependable performance, volume is little, cost is low.So overcome the weak point the former technology from satisfying the different requirements of user undoubtedly, the far-end that can be applied to communication stations such as microwave, scattering monitors.
3, the utility model is to develop according to user's requirement, so once the favorable comment that has just obtained the user on probation.
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is a functional-block diagram of the present utility model.
Fig. 2 is the electrical schematic diagram of the utility model duties interface circuit 2.
Fig. 3 is the electrical schematic diagram of the utility model service circuit 5.
Fig. 4 is the electrical schematic diagram of the utility model Power Generation Road 3.
Fig. 5 is the electrical schematic diagram that the utility model is received circuit 6.
With reference to Fig. 1,2,3,4,5, the utility model is made up of voice-frequency cable heart yearn 4, voltage transformation module 7, duties interface circuit 2, Power Generation Road 3, service circuit 5, receipts circuit 6.Wherein duties interface circuit 2 is gone into out end 1, the 6 discrepancy end of external channel device 1 respectively.Duties interface circuit 2 is made up of operational amplifier 10 and 11, transformer 8 and 9 etc.Wherein duties interface circuit 2 goes into end 1 external channel device 1 service circuit output signal, amplify through capacitor C 1 input operational amplifier 10, import transmission transformer 8 then unbalanced signal is become balanced signal, by voice-frequency cable heart yearn 4 input service circuits 5.Transformer 9 is sent service circuit 5 here by voice-frequency cable heart yearn 4 balanced signal becomes unbalanced signal, by capacitor C 3 input operational amplifiers 11 signal is amplified, and sends into end 6 by capacitor C 4, exports to channel device 1.Embodiment operational amplifier 10,11 adopts commercially available LM358 production of integrated circuits, and transformer 8,9 adopts commercially available common transmission transformer to make.
The utility model service circuit 5 is made up of transformer 12 and 13, operational amplifier 14 and 16, frequency judgement integrated circuit 15, K switch 1, receiver B1, transmitter B2 etc.Wherein transformer 12 balanced signal that duties interface circuit 2 is sent here by voice-frequency cable heart yearn 4 becomes unbalanced signal, input operational amplifier 14 amplifies then, one road electrophone B1, frequency judgement integrated circuit 15 is sent into through resistance R 7, capacitor C 7 in another road.Frequency judgement integrated circuit 15 is adjudicated call signal out to send into and is received circuit 6.The call signal of receiving circuit 6 outputs through K switch 1, send operational amplifier 16 to amplify.The voice signal of transmitter B2 is sent into operational amplifier 16 and is amplified.Voice signal that amplifies and call signal are become balance by transformer 13 signal is given duties interface circuit 2 by voice-frequency cable heart yearn 4.Embodiment operational amplifier 14 and 16, frequency judgement integrated circuit 15, K switch 1, receiver B1, transmitter B2, transmission transformer 13 adopt commercially available LM358, LM567 respectively, the formula of rebounding key switch, common receiver, common transmitter, common transmission transformer are made.
The utility model Power Generation Road 3 is made up of oscillator divider 17, shift register 18 to 20, decoder 21, operational amplifier 22, transformer 23, gate circuit D1 to D5 and D8, analog switch D6 and D7, field effect transistor G2 etc.There are oscillator divider 17, decoder 21, negation gate D1 and D8, NOT AND gate D2 to constitute timing sequence generating circuit, produce required clock signal, put that rapid pulse dashes, clock diablement pulse, frame alignment signal.Shift register 18,19,20 under the effect of time sequential pulse with the status signal of channel device 1 (as the work of first machine, receive level alarm etc.) serial arrangement successively." with " door D3 and D5, " or " D4 constitutes combiner circuit, clock, status signal, frame synchronizing signal are lumped together.Field effect transistor G2, inductance L 1, capacitor C 15 constitute a frequency-selective circuit, extract the carrier wave of transmission usefulness.Analog switch D6, D7 form an ASK signal with on the synthetic frame signal modulated carrier.This signal amplifies through operational amplifier 22, becomes balanced signal through transmission transformer 23 again, is transferred to by voice-frequency cable heart yearn 4 and receives circuit 6.Embodiment oscillator divider 17, shift register 18 to 20, decoder 21, operational amplifier 22, transformer 23, gate circuit D1, gate circuit D2, gate circuit D3, gate circuit D4, analog switch D6 and D7, field effect transistor G2 adopt commercially available CD4060,74LS165,74LS139, LM358, normal transmission transformer, CD4069,74LS00,74LS08,74LS32, CD4066,3DJ7 to make respectively.
The utility model is received circuit 6 and is made up of oscillator divider 24, latch 25 to 27, shift register 28 to 30, trigger 31 to 33, gate circuit D8 to D15, operational amplifier 35, transformer 34, light-emitting diode V2 to V25, transistor V26, diode V27, loudspeaker B3 etc.Wherein oscillator divider 24 AND circuit D8, D9, D10 constitute produce call out, the circuit of called, alarm signal.Transistor V26 is for promoting triode, and promotion loud speaker B3 will alarm, the called signal of telecommunication changes voice signal into.Transmission transformer 34 becomes unbalanced signal with Power Generation Road 3 by the ASK balanced signal that voice-frequency cable heart yearn 4 transmits, and send operational amplifier 35 that this signal is amplified.Negation gate D12 to D15 constitutes shaping circuit, and diode V27 is a detection tube.Produce the circuit of clock, read pulse, quenching pulse, shielding pulse, alarm level by trigger 31 to 33 common composition recoveries.The status signal that inclusive OR gate D11 will need not alarm under the effect of shielding pulse masks.With the output side by side of status signal one frame one frame ground, latch 25 to 27 keeps state information the time of one frame to shift register 28 to 30 under the effect of read pulse under the effect of time sequential pulse, and its output shows on light-emitting diode.Embodiment oscillator divider device 24, latch 25 to 27, shift register 28 to 30, trigger 31 to 33, gate circuit D8 and D9, gate circuit D10, gate circuit D11, gate circuit D12 to D15, operational amplifier 35, transformer 34, light-emitting diode V2 to V25, transistor V26, utmost point pipe V27 loudspeaker B2 adopts commercially available CD4060 respectively, 74LS273,74LS123,74LS164,74LS11,74LS00,74LS32, CD4069, LM358, the normal transmission transformer, 2EF801 or EF501,3DK4,2AP9, YD58-0.25W-8 Ω makes.
Electronic devices and components such as all resistance of use of the present utility model, electric capacity, potentiometer all adopt commercially available general-purpose device, voice-frequency cable heart yearn 4 adopts commercially available ordinary audio cable, voltage transformation module 7 directly adopts commercially available PKC module, its output voltage V 2, V3, V4 be direct current+5V ,+12V ,-12V, input voltage V1 is-24V.Channel device output voltage V 5, V6, V7 be respectively+5V ,+12V ,-12V.
Operation principle of the present utility model is as follows: channel device 1 and duties interface circuit 2 join, and will call out, conversation signal amplifies, and by transmission transformer 8 signal are become balanced signal by imbalance, transfer to service circuit 5 by voice-frequency cable heart yearn 4.Service circuit 5 amplifies the calling accepted call signal of receiving on the one hand, delivers to frequency decision circuit 15 and receiver B1; On the other hand calling and telecommunication signal are amplified, deliver to duties interface circuit 2 through transmission transformer 13, voice-frequency cable heart yearn 4 then.So just realized between the two places and and other station between calling and conversation.
Receiving circuit 6 comes the ASK balanced signal to become unbalanced signal by 4 transmission of voice-frequency cable heart yearn Power Generation Road 3 by transmission transformer 34, by operational amplifier 35 this signal is amplified then, the detecting circuit of formations such as the shaping circuit that constitutes through negation gate D12 to D15, diode V27 recovers the TTL signal that contains clock, state information, frame alligning information again.Recover to produce clock, read pulse, quenching pulse, shielding pulse, alarm level by trigger 31 to 33.The status signal that inclusive OR gate D11 will need not alarm under the effect of shielding pulse masks.With the output side by side of status signal one frame one frame ground, latch 25 to 27 keeps state information the time of one frame to shift register 28 to 30 under the effect of read pulse under the effect of time sequential pulse, and its output shows on light-emitting diode.Oscillator divider 24 AND circuit D8, D9, D10 formation produce and call out, called, alarm circuit, and transistor V26 is for promoting triode, and promotion loud speaker B3 will alarm, the called signal of telecommunication changes voice signal into.When the equipment of being monitored breaks down or has when called, then can hear corresponding sound.
Structure of the present utility model is as follows: service circuit 5, change in voltage die change piece 7 are installed in the printed board of a 180X160 square millimeter, be installed in another piece printed board of a 180X90 square millimeter receiving circuit 6, then these two printed boards be contained in the HAL-3M type telephone casing of Shanghai Telecommunication Equipments and Materials Factory's production.Utilize the B2 mobile phone of the mobile phone of this telephone set as receiver B1 of the present utility model and transmitter.Light-emitting diode V2 to V25 is installed, to be shown the monitored state of equipment on panel.Duties interface circuit 2 and Power Generation Road 3 are installed in the printed board of a 180X90 square millimeter, then this plate are directly installed on 1 li of channel device.Being monitored signal, conversation signal, call signal, power supply couples together with lead and duties interface circuit 2, Power Generation Road 3.Duties interface circuit 2, Power Generation Road 3 couple together with service circuit 5, receipts circuit 6 usefulness voice-frequency cable heart yearns 4, couple together with lead between service circuit 5, the receipts circuit 6, constitute the utility model.
Claims (5)
1, a kind of by voice-frequency cable heart yearn (4), the far-end duties monitoring arrangement that voltage transformation module (7) constitutes, it is characterized in that it also has duties interface circuit (2), Power Generation Road (3), service circuit (5), receiving circuit (6) forms, wherein duties interface circuit (2) is gone into out end 1, the discrepancy end of the 6 external channel devices of difference (1), go out end 2,3 and go into end 4,5 go into end 7 by voice-frequency cable heart yearn (4) and service circuit (5) respectively, 8 and go out end 11,12 connect, Power Generation Road (3) is respectively gone into end 1 to N external channel device (1) and is gone out to hold alarm line, go out end 17,18 by voice-frequency cable heart yearn (4) with receive circuit (6) and go into end 13,14 connect, receive circuit (6) and go into out end 16,15 come in and go out with service circuit (5) respectively holds 9,10 connect, voltage transformation module (7) respectively goes out terminal voltage V2 to V4 and service circuit (5), the each several part feeder ear of receiving circuit (6) is connected, M holds earth terminal, go into to hold V1 external-the 24V DC power supply, the power supply V6 of Power Generation Road (3), V7 end respectively with the power supply V6 of duties interface circuit (2), V7 and connect after connect channel device (1) power supply go out to hold V6, V7, the power supply of the power supply V5 termination channel device (1) of Power Generation Road (3) goes out to hold V5.
2, far-end duties monitoring arrangement according to claim 1, it is characterized in that duties interface circuit (2) is by operational amplifier (10,11), transformer (8,9) form, wherein go into end 1 external channel device (1) and go out end, serial connection capacitor C 1, end 1 is gone into operational amplifier (10) in resistance R 1 back, potentiometer RP1 one end also connects, operational amplifier (10) is gone into behind the end 2 series resistor R2 earth terminal again, go out end 4 and capacitor C 2 one ends, the potentiometer RP1 other end and centre cap thereof also connect, earth terminal behind capacitor C 2 other end series transformer (8) primary coils, transformer (8) secondary coil 2,3 ends go into to hold 7 by voice-frequency cable heart yearn (4) back and service circuit (5), 8 connect, service circuit (5) goes out end 11,12 by voice-frequency cable heart yearn (4) back and transformer (9) primary coil 4,5 ends connect, operational amplifier (11) is gone into end 1 and resistance R 3, potentiometer RP2 one end also connects, resistance R 3 other ends serial connection capacitor C 3, earth terminal behind transformer (9) secondary coil, operational amplifier (11) is gone into earth terminal behind the end 2 series resistor R4, go out end 4 and capacitor C 4 one ends, the potentiometer RP2 other end and centre cap thereof also connect, the external channel devices of capacitor C 4 other ends (1) are gone into end, operational amplifier (10,11) each 3 end, 5 ends meet the power supply V7 of channel device (1) respectively, the V6 end.
3, want 1 or 2 described far-end duties monitoring arrangements according to right, it is characterized in that service circuit (5) is by transformer (12,13), operational amplifier (14,16), frequency judgement integrated circuit (15), switch (K1), receiver (B1), transmitter (B2) is formed, wherein transformer (12) primary coil 7,8 ends go out end 2 by voice-frequency cable heart yearn (4) and duties interface circuit (2), 3 connect, operational amplifier (14) is gone into end 1 and resistance R 5, potentiometer RP3 one end also connects, resistance R 5 serial connection capacitor C 5, earth terminal behind transformer (12) secondary coil, operational amplifier (14) is gone into earth terminal behind the end 2 series resistor R6, go out end 4 and capacitor C 6 one ends, the potentiometer RP3 other end and centre cap thereof also connect, capacitor C 6 other ends serial connection receivers (B1) back earth terminal, and connecting resistance R7, capacitor C 7 backs are gone into end 3 with frequency judgement integrated circuit (15) and are connected, frequency judgement integrated circuit (15) goes out end 5,6 also are connected in series capacitor C 8 back earth terminals behind the connecting resistance R8 again, go out end 1,2 are connected in series capacitor C 9 respectively, earth terminal behind the C10, going out end 8 goes into to hold 16 to be connected with receipts circuit (6), receive circuit (6) and go out end 15 serial connection switches (K1), resistance R 11 backs and resistance R 10 1 ends, operational amplifier (16) is gone into end 1, potentiometer RP4 one end also connects, resistance R 10 other ends serial connection capacitor C 13 backs and resistance R 9 one ends, transmitter (B2) end also connects, transmitter (B2) other end earth terminal, resistance R 9 another termination voltage transformation modules (7) go out terminal voltage V3, operational amplifier (16) is gone into earth terminal behind the end 2 series resistor R12, go out end 4 and capacitor C 14 1 ends, the potentiometer RP4 other end and centre cap thereof also connect, earth terminal behind capacitor C 14 other end series transformer (13) primary coils, transformer (13) secondary coil 11,12 ends are gone into end 4 by voice-frequency cable heart yearn (4) back and duties interface circuit (2), 5 connect, operational amplifier (14, that 16) goes into respectively that end 3 connects voltage transformation module (7) goes out terminal voltage V4, respectively go into end 5 and pick out terminal voltage V3 end, frequency judgement integrated circuit (15) is gone into end 7 earth terminals, goes into end 4 and is connected with the terminal voltage V2 that goes out of voltage transformation module (7).
4, according to claim 1 or 3 described far-end duties monitoring arrangements, it is characterized in that Power Generation Road (3) is by oscillator divider (17), shift register (18 to 20), decoder (21), operational amplifier (22), transformer (23), gate circuit (D1 to D5, D8), analog switch (D6, D7), field effect transistor (G2) is formed, wherein oscillator divider (17) goes out to hold 6,14,1,2 go into end 2 with decoder (21) respectively, 3,14,13 connect, go out behind the end 9 serial connection crystal G1 and resistance R 13, R14 one end also connects, go out end 10,11 respectively with resistance R 14, the R13 other end connects, go out end 8,12 earth terminals, go into end 16 and meet V5, shift register (18,19,20) respectively go into end 3 to 6,11 to 14 join with the alarm line of channel device (1) respectively, respectively go into end 2 and connect the end that back and negation gate D1 and inclusive OR gate D4, going into end 1 connects, respectively go into end 1 and connect the back and go out end 9 with decoder (21), negation gate (D8) is gone into end and is connected, respectively go out end 15 and connect back and negation gate (D8) go out end and " with " (D5) go into to hold 1 to be connected, shift register (18) is gone into end 10 earth terminals, shift register (18,19,20) 9,10 ends serial connection, shift register (20) go out end 9 with " with " (D3) go into to hold 1 to be connected, decoder (21) go out end 5,6 are connected with NOT AND gate (D2) two inputs, NOT AND gate (D2) go out the end serial connection " with " door (D3), inclusive OR gate (D4), " with " door the going into of (D5), go out end 2,3 backs and analog switch (D6, D7) go into end 5 and connecing.The G utmost point that oscillator divider (17) goes out behind the end 7 series resistor R15 with field effect transistor (G2) joins, the S utmost point of field effect transistor (G2) and connecting resistance R16, capacitor C 18 back earth terminals, the D utmost point also connects inductance L 1, capacitor C 15 back serial connection capacitor C 16, and analog switch (D6, D7) go into out end 1,2,3,4, end 1 is gone into operational amplifier (22) in resistance R 18 backs, potentiometer RP5 one end also connects, inductance L 1 centre cap meets V6, operational amplifier (22) goes out end 4 and capacitor C 17 1 ends, the potentiometer RP5 other end and centre cap thereof also connect, go into earth terminal behind the end 2 series resistor R17, earth terminal behind capacitor C 17 series transformers (23) primary coil, transformer (23) secondary wire is irised out end 17,18 by voice-frequency cable heart yearn (4) with receive circuit (6) and go into end 13,14 connect, operational amplifier (22) is gone into end 3,5 go out to hold V7 with channel device (1) power supply respectively, V6 connects, 8 end earth terminals of shift register (18 to 20) and decoder (21), the power supply of 16 termination channel devices (1) goes out to hold V5.
5, according to claim 1 or 4 described far-end duties monitoring arrangements, it is characterized in that receiving circuit (6) by oscillator divider (24), latch (25 to 27), shift register (28 to 30), trigger (31 to 33), gate circuit (D8 to D15), operational amplifier (35), transformer (34), light-emitting diode (V2 to V25), transistor (V26), diode (V27), loudspeaker (B3), form, wherein oscillator (24) goes out end 7 and goes into to hold 10 to be connected with service circuit (5), go out end 3 AND circuit (D8, D9) the end 1 of respectively going into connects, go out end 4,5 difference AND circuit (D8, D9) the end 2 of respectively going into connects, go out end 9 serial connection capacitor C 19 backs and resistance R 43, R44 one end also connects, go out end 10,11 respectively with resistance R 44, the R43 other end connects, go out end 8,12 earth terminals, going into end 16 goes out terminal voltage V2 with voltage transformation module (7) and is connected, gate circuit (D9) is gone into end 3 and is gone out to hold 5 to be connected with trigger (33), gate circuit (D8) is gone into end 3 and is gone out to hold 9 to be connected with service circuit (5), gate circuit (D8, D9) respectively go out end 4 AND circuit (D10) and go into end 1,2 connect, gate circuit (D10) is connected with transistor (V26) base stage after going out end 3 series resistor R46, transistor (V26) grounded emitter end, collector electrode one tunnel serial connection capacitor C 26, loudspeaker (B3) back earth terminal, going out terminal voltage V3 with voltage transformation module (7) behind the series resistor R45 of another road of collector electrode is connected, voltage transformation module (7) go out each resistance R 19 to R42 serial connection light-emitting diode (V2 to V25) behind terminal voltage V2 and connecting resistance R19 to R42 one end more respectively with latch (25 to 27) respectively go into end 2,5,6,9,12,15,16,19 connect, latch (25 to 27) is respectively gone into end 11 and is met going out of back and trigger (32), go into end 4,9 connect, respectively go into end 3,4,7,8,13,14,17,18 respectively go out end 3 to 6 with shift register (28 to 30) respectively, 10 to 13 connect, latch (25) is gone into end 3 AND circuit (D11) and is gone into end 2 connections, the end 13 that goes out of shift register (28) is connected with the end 2 of going into of shift register (29), the end 13 that goes out of shift register (29) is connected with the end 2 of going into of shift register (30), the end 2 of going into of shift register (28) is gone into end 2 with trigger (31), 10, gate circuit (D15) goes out end and connects, shift register (28 to 30) is respectively gone into end 9 and is connect the back and goes out to hold 5 to be connected with trigger (32), respectively going into end 8 and connecing the back goes out to hold 4 to be connected with trigger (31), trigger (31) go out end 5 respectively with trigger (32,33) going into end 1 connects, trigger (33) is gone into end 9 AND circuit (D11) and is gone out end 3 connections, go out end 4 AND circuit (D11) and go into end 1 connection, trigger (31) go into end 1,9,8 and trigger (32,33) go into end 8 earth terminals, trigger (31) go into end 16 and trigger (32,33) go into end 2,10,16 connect voltage transformation module (7) goes out terminal voltage V2, transformer (34) primary coil two ends 13,14 go out end 17 by voice-frequency cable heart yearn (4) and Power Generation Road (3), 18 connect, secondary coil one end earth terminal, the other end is by capacitor C 27, end 1 is gone into operational amplifier (35) in resistance R 47 backs, potentiometer RP6 one end also connects, operational amplifier (35) is gone into earth terminal behind the end 2 series resistor R48, go out end 4 and capacitor C 28 1 ends, the potentiometer RP6 other end and centre cap thereof also connect, capacitor C 28 other ends serial connection gate circuit (D12, D13), diode (V27), resistance R 49, gate circuit (D14, D15) go into end, capacitor C 29, resistance R 50 1 ends also connect diode (V27) negative pole and resistance R 49 1 ends, other end earth terminal, operational amplifier (35) is gone into end 3,5 with voltage transformation module (7) go out terminal voltage V4, V3 connects, 10 ends of latch (25 to 27) and shift register (28 to 30) 7 end ground connection, 20,14 ends connect voltage transformation module 7 respectively and go out terminal voltage V2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93209658U CN2150680Y (en) | 1993-04-19 | 1993-04-19 | Far-distance monitoring device for service work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93209658U CN2150680Y (en) | 1993-04-19 | 1993-04-19 | Far-distance monitoring device for service work |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2150680Y true CN2150680Y (en) | 1993-12-22 |
Family
ID=33791790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93209658U Expired - Fee Related CN2150680Y (en) | 1993-04-19 | 1993-04-19 | Far-distance monitoring device for service work |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2150680Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532814A (en) * | 2012-07-06 | 2014-01-22 | 乾坤科技股份有限公司 | Network communication device |
-
1993
- 1993-04-19 CN CN93209658U patent/CN2150680Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532814A (en) * | 2012-07-06 | 2014-01-22 | 乾坤科技股份有限公司 | Network communication device |
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| CF01 | Termination of patent right due to non-payment of annual fee |