CN203014339U - Mine trolley locomotive's electric shock and leakage protection device - Google Patents

Mine trolley locomotive's electric shock and leakage protection device Download PDF

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CN203014339U
CN203014339U CN 201220725542 CN201220725542U CN203014339U CN 203014339 U CN203014339 U CN 203014339U CN 201220725542 CN201220725542 CN 201220725542 CN 201220725542 U CN201220725542 U CN 201220725542U CN 203014339 U CN203014339 U CN 203014339U
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resistance
capacitor
circuit
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terminals
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司淑梅
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Abstract

A mine trolley locomotive's electric shock and leakage protection device is mainly characterized in that the device comprises a transmitter and a receiver; the transmitter contains an electric shock and leakage detection circuit and a wireless received carrier transmission circuit; the electric shock and leakage detection circuit contains an electric shock and leakage detection subcircuit, a code circuit and a wireless transmission circuit; the wireless received carrier transmission circuit contains a superregeneration receiving circuit, an amplification and shaping circuit, a decoder circuit, a decoding circuit, an emitter follower, a second amplification circuit, a frequency selective network and a transmitter power supply section; and the receiver contains a carrier receiving execution circuit which includes a carrier frequency selective network, a first amplitude limiting circuit, a narrowband frequency selecting amplifier circuit, a second amplitude limiting circuit, a demodulator circuit, a power amplification execution circuit and a receiver power supply section. The device provided by the utility model can be used to ensure personal safety and establishes a stable foundation for modernization and high efficiency of the operation.

Description

The mine stringing electrical locomotive touches earth leakage protective device
Technical field
The utility model relates to the tactile earth leakage protective of the electric locomotive field in the field, mine such as colliery, metallic ore, nonmetallic ore, refers to that especially headstock line electric locomotive touches earth leakage protective device.In International Patent Classification (IPC), the utility model should be divided into the G01R group.
Background technology
At present, in the underground work in field, mine, the person can occur and touch overhead wire or cause human casualty accident because of electric leakage when main road haulage in stringing electrical locomotive.Lack in this field at present and effectively touch earth leakage protective device, not only brought many hidden danger to safety, increased operating cost, and in order to take various factors into account, thereby also make production efficiency be difficult to improve, objectively also affecting the modernization of mine operation.
The utility model content
Deficiency for above-mentioned this field existence; when in a single day electric leakage hidden danger occurring touching, the utility model provides in time to survey with high fidelity and touches electric leakage signal and it is delivered to actuator in real time, effectively cuts off the electricity supply; guarantee personal safety, a kind of mine stringing electrical locomotive touches earth leakage protective device.
The purpose of this utility model is achieved through the following technical solutions:
Described mine stringing electrical locomotive touches earth leakage protective device and comprises:
Transmitter and receiver;
Described transmitter comprises:
Touch electric leakage detection circuit and wireless receiving carrier transmit circuit;
Described tactile electric leakage detection circuit comprises: touch electric leakage and survey electronic circuit, coding circuit and radio transmitter; Described tactile electric leakage is surveyed electronic circuit and is connected described coding circuit, and described coding circuit connects described radio transmitter;
Described wireless receiving carrier transmit circuit comprises: Armstrong circuit, amplification and rectification circuit, decoding circuit, decoding circuit, emitter follower, second amplifying circuit, frequency-selective network and transmitter supply part; Described Armstrong circuit, amplification and rectification circuit, decoding circuit, decoding circuit, emitter follower, second amplifying circuit, frequency-selective network and transmitter supply part are connected successively;
Described receiver comprises:
Carrier wave receives executive circuit;
Described carrier wave receives executive circuit and comprises: carrier wave frequency-selective network, the first amplitude limiter circuit, arrowband selective frequency amplifier circuit, the second amplitude limiter circuit, demodulator circuit, power amplification executive circuit and receiver power supply part; Above-mentioned carrier wave frequency-selective network, the first amplitude limiter circuit, arrowband selective frequency amplifier circuit, the second amplitude limiter circuit, demodulator circuit, power amplification executive circuit and receiver power supply part are connected successively.
Because the utility model has adopted above-mentioned technical scheme, can be in time, fidelity, reliable, survey and touch electric leakage signal and it is delivered to actuator in real time without omitting ground, promptly cut off the electricity supply, guarantee personal safety, and set up stable basis for the modernization of operation and high efficiency.
Description of drawings
Below in conjunction with accompanying drawing, the utility model is explained the main points briefly, wherein:
Accompanying drawing 1 is tactile electric leakage detection circuit of the present utility model.
Accompanying drawing 2 is wireless receiving carrier transmit circuit of the present utility model.
Accompanying drawing 3 is that carrier wave of the present utility model receives executive circuit.
Mode specifically
Below in conjunction with drawings and Examples, the utility model is further illustrated, wherein:
Accompanying drawing 1 is tactile electric leakage detection circuit of the present utility model.Described tactile electric leakage detection circuit comprises that touching electric leakage surveys electronic circuit, coding circuit and radio transmitter.
Described tactile electric leakage is surveyed electronic circuit and is connected described coding circuit, and described coding circuit connects described radio transmitter.
Described tactile electric leakage is surveyed electronic circuit and is comprised: rapier M, the 5th resistance R 5, the 6th resistance R 6, the 4th capacitor C 4, the first integrated circuit (IC) 1And contact K 1-1Described rapier M connects respectively: the 6th resistance R 6An end, the 4th capacitor C 4An end and the first integrated circuit (IC) 12 terminals, described the 5th resistance R 5An end connect respectively: V DD, the first integrated circuit (IC) 18 terminals, the first integrated circuit (IC) 14 terminals and contact K 1-1An end, described the 5th resistance R 5The other end connect described the first integrated circuit (IC) 16 terminals, described the 6th resistance R 6The other end connects respectively: V SS, the 4th capacitor C 4The other end, the first integrated circuit (IC) 11 terminal, described contact K 1-1The other end connect described the first integrated circuit (IC) 13 terminals; Touch effect and operation principle that electric leakage surveys electronic circuit as follows: when human body touched that under mine, large lane electric vehicle overheading line has electric leakage, tactile electric leakage signal just can receive into through rapier M and trigger the first integrated circuit (IC) 1Conducting makes contact K 1-1Closure, thereby DC power supply V DDNamely connected coding circuit.(rapier M contacts with human body, and transmitter is arranged in the cap of ore deposit.)
Described coding circuit comprises: the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 3rd capacitor C 3, the second triode VT 2With encoder IC 2Described the 4th resistance R 4An end connect respectively described contact K 1-1The 3rd end and the second triode VT 2Collector electrode, described the 4th resistance R 4The other end connect respectively: encoder IC 218 terminals and the 3rd capacitor C 3An end and connect encoder IC by switch 214 and 10 terminals, described the 3rd capacitor C 3The other end connect V SS, described the second resistance R 2An end connect described the second triode VT 2Base stage, described the second resistance R 2The other end connect encoder IC 217 terminals, described the 3rd resistance R 3Two ends connect respectively encoder IC 216 terminals and 15 terminals; Effect and the operation principle of described coding circuit are as follows: as contact K 1-1After closure, DC power supply V DDImmediately to encoder IC 2Provide power supply to make its work, so the just modulation signals that changes of output pulse width of 17 terminals (pin) drives high-frequency generator work.
Described radio transmitter comprises: the first inductance L 1, tunable capacitor C 0, the first capacitor C 1, the first triode VT 1, the first resistance R 1, the second capacitor C 2, the second inductance L 2, the 5th capacitor C 5Described the first inductance L 1With tunable capacitor C 0Be in parallel and an end of its parallel circuits connects described the second triode VT 2Emitter and the first capacitor C 1An end, the other end of its parallel circuits connects respectively: the first resistance R 1An end, the first triode VT 1Collector electrode, the second capacitor C 2An end, described the first capacitor C 1The other end connect respectively the first resistance R 1The other end, the first triode VT 1Base stage, described the first triode VT 1Emitter connect respectively: the 5th capacitor C 5An end and the second inductance L 2An end, described the 5th capacitor C 5The other end, the second inductance L 2The other end and the second capacitor C 2The other end connect V SSEffect and the operation principle of described radio transmitter are as follows: the modulation signal after encoding passes through the first triode VT again after the high-frequency generator carrier wave 1, tactile electric leakage signal is launched, complete the transmission task of the tactile electric leakage signal after coding.
Accompanying drawing 2 is wireless receiving carrier transmit circuit of the present utility model.Described wireless receiving carrier transmit circuit comprises: Armstrong circuit, amplification and rectification circuit, decoding circuit, decoding circuit, emitter follower, second amplifying circuit, frequency-selective network and transmitter supply part; Described Armstrong circuit, amplification and rectification circuit, decoding circuit, decoding circuit, emitter follower, second amplifying circuit, frequency-selective network and transmitter supply part are connected successively.
Described Armstrong circuit comprises: the 3rd inductance L 3, the 6th capacitor C 6, the 7th capacitor C 7To the tenth capacitor C 10, the 7th resistance R 7To the 9th resistance R 9, the 4th reactance coil T 4, the 3rd triode VT 3, the 5th diode VD 5Described the 3rd inductance L 3With the 6th capacitor C 6Be in parallel, an end of its parallel circuits connects respectively the 8th capacitor C 8An end and the 3rd triode VT 3Collector electrode, the other end of its parallel circuits connects the 7th capacitor C 7An end, described the 9th resistance R 9An end connect respectively described the 3rd triode VT 3Base stage and the 8th resistance R 8An end, described the 8th resistance R 8The other end connect described the 5th diode VD 5Positive pole, described the 8th capacitor C 8The other end connect respectively the 3rd triode VT 3Emitter and the 4th reactance coil T 4An end, described the 4th reactance coil T 4The other end connect respectively the tenth capacitor C 10An end and the 7th resistance R 7An end, described the 7th capacitor C 7The other end connect the 9th capacitor C 9An end, described the tenth capacitor C 10The other end, the 7th resistance R 7The other end, the 5th diode VD 5Negative pole and the 9th capacitor C 9The other end jointly link together; The effect of described Armstrong circuit is: this circuit is to receive the high-frequency carrier signal launched by radio transmitter.
Described amplification and rectification circuit comprises amplifying circuit and shaping circuit, and described amplifying circuit is connected with shaping circuit.
Described decoding circuit comprises: the 14 resistance R 14To the 16 resistance R 16, the 18 resistance R 18, the 19 resistance R 19, the 4th integrated circuit (IC) 4And contact K 0Described the 14 resistance R 14Two ends connect respectively described the 4th integrated circuit (IC) 415 terminals and 16 terminals, described the 15 resistance R 15Two ends connect respectively described the 4th integrated circuit (IC) 417 terminals and contact K 01 point, described the 4th integrated circuit (IC) 418 terminals connect described the tenth resistance R 10An end and this integrated circuit (IC) 48 terminals, described the 16 resistance R 16Two ends connect respectively described the 4th integrated circuit (IC) 413 terminals and described contact K 02 points, described the 18 resistance R 18An end connect contact K 01 and the 18 resistance R 18The other end connect described the 19 resistance R 19An end, described the 19 resistance R 19The other end connect described the 4th integrated circuit (IC) 49 terminals; The effect of described decoding circuit is that the coded pulse signal of sending into 14 terminals is carried out decoding.
Described decoding circuit comprises: the 16 capacitor C 16To the 18 capacitor C 18, the 20 resistance R 20, the first adjustable resistance R W1And frequency regulator IC 5Described the 16 capacitor C 16An end connect described the 18 resistance R 18The other end, described the 16 capacitor C 16The other end connect respectively: frequency regulator IC 52 terminals, the 17 capacitor C 17An end, and the 17 capacitor C 17The other end connect described the 4th integrated circuit (IC) 49 terminals, described frequency regulator IC 57 terminals connect described the 3rd integrated circuit (IC) 311 terminals, the 18 capacitor C 18With the 20 resistance R 20Common port connect described frequency regulator IC 56 terminals, the 18 capacitor C 18The other end connect described the 4th integrated circuit (IC) 49 terminals, the 20 resistance R 20The other end connect the first adjustable resistance R W1An end, and the first adjustable resistance R W1The other end be connected described frequency regulator IC with sliding end 55 terminals; The effect of described decoding circuit be with code signal after decoding circuit reduction from described the 4th integrated circuit (IC) 417 terminals output control signals, by coupling capacitance the 16 capacitor C 16Be added to frequency regulator IC 52 terminals carry out carrier fm.
Described emitter follower comprises: the 6th triode VT 6, the 20 resistance R 20, the 21 resistance R 21, the first adjustable resistance R W1, the 18 capacitor C 18Described the 6th triode VT 6Base stage connect described frequency regulator IC 55 terminals, described the 6th triode VT 6Collector electrode connect described frequency regulator IC 54 terminals, described the 6th triode VT 6Emitter connect the 21 resistance R 21An end, described the 21 resistance R 21The other end connect described the 18 capacitor C 18The other end; The effect of described emitter follower is the weak CF signal decoding circuit output, improves its load capacity by emitter follower, then amplifies.
Described second amplifying circuit comprises: the 7th triode VT 7, the 8th triode VT 8, the 22 resistance R 22To the 24 resistance R 24, the 23 capacitor C 23, the 24 capacitor C 24, the 26 capacitor C 26And the 3rd inductance L 3Described the 23 capacitor C 23An end connect described the 6th triode VT 6Emitter, described the 23 capacitor C 23The other end connect respectively: the 7th triode VT 7Base stage, the 22 resistance R 22An end, the 22 resistance R 22The other end connect described the 21 resistance R 21The other end, described the 7th triode VT 7Collector electrode connect respectively: the 23 resistance R 23One end and the 24 capacitor C 24An end, described the 23 resistance R 23The other end connects the 3rd inductance L 3Mid point, described the 24 capacitor C 24The other end connect respectively: the 8th triode VT 8Base stage, the 24 resistance R 24An end, the 24 resistance R 24The other end connect the 22 resistance R 22The other end, described the 26 capacitor C 26With the 3rd inductance L 3Be in parallel, described the 26 capacitor C 26With the 3rd inductance L 3One end of parallel circuits connects described the 8th triode VT 8Collector electrode, described the 8th triode VT 8Emitter connect described the 24 resistance R 24The other end; The effect of described second amplifying circuit is: weak CF signal is delivered to frequency-selective network after two-stage is amplified.
Described frequency-selective network comprises: the first high frequency transformer T 1, the second high frequency transformer T 2, the 26 capacitor C 26With the 27 capacitor C 27Described the 27 capacitor C 27An end and described the second high frequency transformer T 2An end be connected.The effect of described frequency-selective network is: the CF signal after amplifying is selected desired signal by frequency-selective network, then through the 28 electric capacity (high pressure isolation capacitance) C 28, the 29 electric capacity (high pressure isolation capacitance) C 29Deliver to and make it be transferred to the receiver reception on the ac power line.
Accompanying drawing 3 is that carrier wave of the present utility model receives executive circuit.Described carrier wave receives executive circuit and comprises: carrier wave frequency-selective network, the first amplitude limiter circuit, arrowband selective frequency amplifier circuit, the second amplitude limiter circuit, demodulator circuit, power amplification executive circuit and receiver power supply part; Above-mentioned carrier wave frequency-selective network, the first amplitude limiter circuit, arrowband are employed amplifying circuit, the second amplitude limiter circuit, demodulator circuit, power amplification executive circuit and receiver power supply part selectively and are connected successively.
Described carrier wave frequency-selective network comprises: the 34 capacitor C 34, the 6th transformer T 6, the 37 capacitor C 37, the 7th transformer T 7Described the 34 capacitor C 34Two ends connect respectively described the 6th transformer T 6The two ends of one-level coil, described the 37 capacitor C 37An end connect described the 7th transformer T 7An end; The effect of described carrier wave frequency-selective network is: after receiver is received the FM signal next by power line c, d transmission, through high pressure isolation capacitance C 36, C 38Be coupled to carrier wave frequency-selective network (the 34 capacitor C 34, the 6th transformer T 6, the 37 capacitor C 37, the 7th transformer T 7), tuning after again through the 35 capacitor C 35, the 27 resistance R 27Commissure to amplitude limiter circuit.
Described the first amplitude limiter circuit comprises: the 6th diode VD 6With the 7th diode VD 7Described the 6th diode VD 6With the 7th diode VD 7Oppositely be in parallel; The effect of described the first amplitude limiter circuit is: be that the FM signal after tuning is carried out amplitude limit.
Described arrowband selective frequency amplifier circuit comprises: the 8th transformer T 8, the 9th transformer T 9, the tenth transformer T 10, first group of inverter ic 1-1To the 4th group of inverter ic 1-4, the 28 resistance R 28To the 30 resistance R 30, the 46 resistance R 46To the 47 resistance R 47, the 30 capacitor C 30To the 32 capacitor C 32, the 47 capacitor C 47To the 52 capacitor C 52Described the 46 resistance R 46With described first group of inverter ic 1-1Be in parallel, described the 47 resistance R 47With described second group of inverter ic 1-2Be in parallel, described the 30 resistance R 30With described the 3rd group of inverter ic 1-3Be in parallel, described the 28 resistance R 28With described the 4th group of inverter ic 1-4Be in parallel, described the 32 capacitor C 32With described the 8th transformer T 8The left side coil be in parallel, described the 49 capacitor C 49With described the 9th transformer T 9The left side coil be in parallel, described the 52 capacitor C 52With described the tenth transformer T 10The left side coil be in parallel, described the 31 capacitor C 31Be connected in described the 28 resistance R 28With the 4th group of inverter ic 1-4Left side and the 8th transformer T of parallel circuits 8The upper end of left side coil is in described the 28 resistance R 28With the 4th group of inverter ic 1-4Right side and described the 6th diode VD of parallel circuits 6With the 7th diode VD 7Oppositely be in parallel and connect described the 33 capacitor C between the circuit upside 33, at the 8th transformer T 8The upper end of right side coil and described the 46 resistance R 46With first group of inverter ic 1-1The left side of parallel circuits between connect described the 30 capacitor C 30, in described the 46 resistance R 46With first group of inverter ic 1-1Right side and described the 47 resistance R of parallel circuits 47With second group of inverter ic 1-2Connect the 47 capacitor C between the left side of parallel circuits 47, in described the 47 resistance R 47With second group of inverter ic 1-2The right side of parallel circuits and the 9th transformer T 9Connect the 48 capacitor C between the mid point of left side coil 48, at the 9th transformer T 9The upper end of right side coil and described the 30 resistance R 30With described the 3rd group of inverter ic 1-3Connect the 50 capacitor C between the left side of parallel circuits 50, described the 29 resistance R 29An end connect described the 50 capacitor C 50The upper end, described the 29 resistance R 29Other end ground connection, in described the 30 resistance R 30With described the 3rd group of inverter ic 1-3The right side of parallel circuits and described the 52 capacitor C 52The upper end between connect described the 51 capacitor C 51The effect of described arrowband selective frequency amplifier circuit is: the FM signal after amplitude limit, and through coupling capacitance-Di 33 capacitor C 33Deliver to the arrowband selective frequency amplifier circuit and carry out the frequency-selecting amplification.
Described the second amplitude limiter circuit comprises: the tenth diode VD 10, the 11 diode VD 11, the 53 capacitor C 53, the 31 resistance R 31, the 32 resistance R 32Described the tenth diode VD 10With the 11 diode VD 11Oppositely be in parallel, connect respectively in the left side of this parallel circuits: the 53 capacitor C 53An end and the 31 resistance R 31An end, the 53 capacitor C 53The other end connect described the tenth transformer T 10The upper end of right side coil, the 31 resistance R 31Other end ground connection, connect the 32 resistance R on the right side of this parallel circuits 32An end, and the 32 resistance R 32Other end ground connection; The effect of described the second amplitude limiter circuit is: the FM signal after amplifying is carried out amplitude limit again, by the 54 capacitor C 54Be coupled to demodulator circuit (the 6th integrated circuit (IC) 6) 3 terminals.
Described demodulator circuit comprises: the 6th integrated circuit (IC) 6, the 33 resistance R 33To the 36 resistance R 36, the 55 capacitor C 55To the 59 capacitor C 59, the second potentiometer R W2Described the 55 capacitor C 55An end connect described the 6th integrated circuit (IC) 61 terminal, described the 55 capacitor C 55Other end ground connection, described the 6th integrated circuit (IC) 62 terminals connect respectively: the 33 resistance R 33An end, the 56 capacitor C 56An end, the 56 capacitor C 56Other end ground connection, the 57 capacitor C 57With the second potentiometer R W2Be in parallel, the 57 capacitor C 57With the second potentiometer R W2One side and the 33 resistance R of parallel circuits 33The other end connect, the 57 capacitor C 57With the second potentiometer R W2The opposite side of parallel circuits and described the 6th integrated circuit (IC) 67 terminals connect, described the 6th integrated circuit (IC) 66 terminals connect respectively: the 34 resistance R 34An end, the 58 capacitor C 58An end, the 58 capacitor C 58Other end ground connection, the 34 resistance R 34The other end connect the 35 resistance R 35An end, the 35 the resistance R 35The other end connect described the 6th integrated circuit (IC) 65 terminals, described the 36 resistance R 36One end connects the 6th integrated circuit (IC) 64 terminals, the 59 capacitor C 59An end ground connection and its other end connects described the 36 resistance R 36The other end and the 6th integrated circuit (IC) 68 terminals; The effect of described demodulator circuit is: by demodulator circuit with the tactile electric leakage signal demodulation in FM signal out, deliver to the power amplification executive circuit through 8 terminals.
Described power amplification executive circuit comprises: the 12 diode VD 12, the 13 diode VD 13, the 5th group of inverter ic 1-5, the 6th group of inverter ic 1-6, the 37 resistance R 37To the 40 resistance R 40, the 45 resistance R 45, the 46 capacitor C 46, the 60 capacitor C 60, relay J 1And the tenth triode VT 10Described the 12 diode VD 12Positive pole connects respectively: described the 6th integrated circuit (IC) 68 terminals, the 36 resistance R 36The other end, the 38 resistance R 38An end, the 59 capacitor C 59The other end, described the 12 diode VD 12Negative pole connects respectively: the 39 resistance R 39An end, the 38 resistance R 38The other end, the 60 capacitor C 60Positive pole, the 60 capacitor C 60Minus earth, the 39 resistance R 39The other end connect respectively: the 5th group of inverter ic 1-5Upper end, the 40 resistance R 40An end, the 5th group of inverter ic 1-5The lower end connect respectively: the 45 resistance R 45An end, the 6th group of inverter ic 1-6The upper end, the 6th group of inverter ic 1-6The lower end connect respectively: the 40 resistance R 40The other end, the 13 diode VD 13Negative pole, the 13 diode VD 13Positive pole connect the 37 resistance R 37An end, the 37 resistance R 37The other end connect the 6th integrated circuit (IC) 64 terminals, the 45 resistance R 45The other end connect respectively: the tenth triode VT 10Base stage, the 46 capacitor C 46An end, the 46 capacitor C 46The other end connect the tenth triode VT 10Emitter, the tenth triode VT 10Collector connection relay J 1, in relay J 1Upper paralleling switch K 1The effect of described power amplification executive circuit is: because FM signal is delivered to the 6th integrated circuit (IC) 63 terminals, make demodulator work, 8 terminals are output as low level, therefore the 12 diode VD 12Cut-off, thereby the 5th group of inverter ic 1-5Be output as high level, make the tenth triode VT 10Saturation conduction, relay J 1Coil has electricity, relay J 1Normally opened contact K 1Closure makes the circuit breaker action that is connected in silicon rectifier cubicle, cut off the DC power supply of overhead wire, thereby personal safety has been protected in the generation of having stopped tactile electric leakage accident.
At described the tenth diode VD 10With the 11 diode VD 11Right side and described the 6th integrated circuit (IC) of circuit oppositely are in parallel 63 terminals between connect the 54 capacitor C 54
Described amplification and rectification circuit comprises amplifying circuit and shaping circuit two parts.Described amplifying circuit comprises: the tenth resistance R 10To the 13 resistance R 13, the 11 capacitor C 11To the 13 capacitor C 13, the 15 capacitor C 15, the 4th triode VT 4Described the tenth resistance R 10An end connect respectively: described the 9th resistance R 9The other end, the 13 resistance R 13An end, the 15 capacitor C 15An end, described the tenth resistance R 10The other end connect respectively the 3rd inductance L 3With the 6th capacitor C 6The other end, the 11 resistance R of circuit are in parallel 11An end, described the 11 resistance R 11The other end connect the 11 capacitor C 11Positive pole, described the 11 capacitor C 11Another utmost point connect respectively: the 12 resistance R 12An end, the 4th triode VT 4Base stage, the 12 capacitor C 12An end, described the 13 resistance R 13The other end connect respectively: the 12 resistance R 12The other end, the 4th triode VT 4Collector electrode, the 13 capacitor C 13An end, described the 15 capacitor C 15Other end ground connection, described the 12 capacitor C 12The other end, the 4th triode VT 4Emitter, the 13 capacitor C 13The other end jointly link together.Described shaping circuit comprises: the 17 resistance R 17, the 14 capacitor C 14, the 3rd integrated circuit (IC) 3Described the 17 resistance R 17An end connect respectively: the 12 resistance R 12The other end, the 3rd integrated circuit (IC) 312 terminals, described the 17 the resistance R 17The other end connect respectively: the 14 capacitor C 14Positive pole, the 3rd integrated circuit (IC) 313 terminals, described the 14 capacitor C 14Another utmost point, the 3rd integrated circuit (IC) 311 terminals jointly link together.In a word, the effect of described amplification and rectification circuit is: with the high-frequency carrier signal that receives, through the 4th triode VT 4Amplification after deliver to shaping circuit (the 3rd integrated circuit (IC) 3) amplify shaping, the modulation signal in high-frequency carrier signal is restored, then deliver to decoder (the 4th integrated circuit (IC) 4) 14 terminals start the decoding circuit work.
Described transmitter supply partly comprises: the 3rd transformer T 3, the first diode VD 1To the 4th diode VD 4, the 5th triode VT 5, the 25 resistance R 25, the 26 resistance R 26, the 19 capacitor C 19To the 22 capacitor C 22, the 25 capacitor C 25
Described receiver power supply partly comprises: the 5th transformer T 5, the 8th diode VD 8, the 9th diode VD 9, the 9th triode VT 9And the 41 resistance R 41To the 44 resistance R 44, the 39 capacitor C 39To the 45 capacitor C 45

Claims (8)

1. a mine stringing electrical locomotive touches earth leakage protective device, it is characterized in that: described mine stringing electrical locomotive touches earth leakage protective device and comprises:
Transmitter and receiver;
Described transmitter comprises:
Touch electric leakage detection circuit and wireless receiving carrier transmit circuit;
Described tactile electric leakage detection circuit comprises: touch electric leakage and survey electronic circuit, coding circuit and radio transmitter; Described tactile electric leakage is surveyed electronic circuit and is connected described coding circuit, and described coding circuit connects described radio transmitter;
Described wireless receiving carrier transmit circuit comprises: Armstrong circuit, amplification and rectification circuit, decoding circuit, decoding circuit, emitter follower, second amplifying circuit, frequency-selective network and transmitter supply part; Described Armstrong circuit, amplification and rectification circuit, decoding circuit, decoding circuit, emitter follower, second amplifying circuit, frequency-selective network and transmitter supply part are connected successively;
Described receiver comprises:
Carrier wave receives executive circuit;
Described carrier wave receives executive circuit and comprises: carrier wave frequency-selective network, the first amplitude limiter circuit, arrowband selective frequency amplifier circuit, the second amplitude limiter circuit, demodulator circuit, power amplification executive circuit and receiver power supply part; Above-mentioned carrier wave frequency-selective network, the first amplitude limiter circuit, arrowband are employed amplifying circuit, the second amplitude limiter circuit, demodulator circuit, power amplification executive circuit and receiver power supply part selectively and are connected successively.
2. mine stringing electrical locomotive according to claim 1 touches earth leakage protective device, it is characterized in that:
Described tactile electric leakage is surveyed electronic circuit and is comprised: rapier M, the 5th resistance R 5, the 6th resistance R 6, the 4th capacitor C 4, the first integrated circuit (IC) 1And contact K 1-1
Described rapier M connects respectively: the 6th resistance R 6An end, the 4th capacitor C 4An end and the first integrated circuit (IC) 12 terminals, described the 5th resistance R 5An end connect respectively: V DD, the first integrated circuit (IC) 18 terminals, the first integrated circuit (IC) 1The 4th terminal and contact K 1-1An end, described the 5th resistance R 5The other end connect described the first integrated circuit (IC) 16 terminals, described the 6th resistance R 6The other end connects respectively: V SS, the 4th capacitor C 4The other end and the first integrated circuit (IC) 11 terminal, described contact K 1-1The other end connect described the first integrated circuit (IC) 13 terminals;
Described coding circuit comprises: the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 3rd capacitor C 3, the second triode VT 2With encoder IC 2
Described the 4th resistance R 4An end connect respectively described contact K 1-1The 3rd end and the second triode VT 2Collector electrode, described the 4th resistance R 4The other end connect respectively: encoder IC 218 terminals and the 3rd capacitor C 3An end and connect encoder IC by switch 214 and 10 terminals, described the 3rd capacitor C 3The other end connect V SS, described the second resistance R 2An end connect described the second triode VT 2Base stage, described the second resistance R 2The other end connect encoder IC 217 terminals, described the 3rd resistance R 3Two ends connect respectively encoder IC 216 terminals and 15 terminals;
Described radio transmitter comprises: the first inductance L 1, tunable capacitor C 0, the first capacitor C 1, the first triode VT 1, the first resistance R 1, the second capacitor C 2, the second inductance L 2, the 5th capacitor C 5
Described the first inductance L 1With tunable capacitor C 0Be in parallel and an end of its parallel circuits connects described the second triode VT 2Emitter and the first capacitor C 1An end, the other end of its parallel circuits connects respectively: the first resistance R 1An end, the first triode VT 1Collector electrode, the second capacitor C 2An end, described the first capacitor C 1The other end connect respectively the first resistance R 1The other end, the first triode VT 1Base stage, described the first triode VT 1Emitter connect respectively: the 5th capacitor C 5An end and the second inductance L 2An end, described the 5th capacitor C 5The other end, the second inductance L 2The other end and the second capacitor C 2The other end connect V SS
3. mine stringing electrical locomotive according to claim 1 touches earth leakage protective device, it is characterized in that:
Described Armstrong circuit comprises: the 3rd inductance L 3, the 6th capacitor C 6, the 7th capacitor C 7To the tenth capacitor C 10, the 7th resistance R 7To the 9th resistance R 9, the 4th reactance coil T 4, the 3rd triode VT 3, the 5th diode VD 5
Described the 3rd inductance L 3With the 6th capacitor C 6Be in parallel, an end of its parallel circuits connects respectively the 8th capacitor C 8An end and the 3rd triode VT 3Collector electrode, the other end of its parallel circuits connects the 7th capacitor C 7An end, described the 9th resistance R 9An end connect respectively described the 3rd triode VT 3Base stage and the 8th resistance R 8An end, described the 8th resistance R 8The other end connect described the 5th diode VD 5Positive pole, described the 8th capacitor C 8The other end connect respectively the 3rd triode VT 3Emitter and the 4th reactance coil T 4An end, described the 4th reactance coil T 4The other end connect respectively the tenth capacitor C 10An end and the 7th resistance R 7An end, described the 7th capacitor C 7The other end connect the 9th capacitor C 9An end, described the tenth capacitor C 10The other end, the 7th resistance R 7The other end, the 5th diode VD 5Negative pole and the 9th capacitor C 9The other end jointly link together;
Described amplification and rectification circuit comprises amplifying circuit and shaping circuit, and described amplifying circuit is connected with shaping circuit;
Described decoding circuit comprises: the 14 resistance R 14To the 16 resistance R 16, the 18 resistance R 18, the 19 resistance R 19, the 4th integrated circuit (IC) 4And contact K 0
Described the 14 resistance R 14Two ends connect respectively described the 4th integrated circuit (IC) 415 terminals and 16 terminals, described the 15 resistance R 15Two ends connect respectively described the 4th integrated circuit (IC) 417 terminals and contact K 01 point, described the 4th integrated circuit (IC) 418 terminals connect the tenth resistance R 10An end and this integrated circuit (IC) 48 terminals, described the 16 resistance R 16Two ends connect respectively described the 4th integrated circuit (IC) 413 terminals and described contact K 02 points, described the 18 resistance R 18An end connect contact K 01 and the 18 resistance R 18The other end connect described the 19 resistance R 19An end, described the 19 resistance R 19The other end connect described the 4th integrated circuit (IC) 49 terminals;
Described decoding circuit comprises: the 16 capacitor C 16To the 18 capacitor C 18, the 20 resistance R 20, the first adjustable resistance R W1And frequency regulator IC 5
Described the 16 capacitor C 16An end connect described the 18 resistance R 18The other end, described the 16 capacitor C 16The other end connect respectively: frequency regulator IC 52 terminals, the 17 capacitor C 17An end, and the 17 capacitor C 17The other end connect described the 4th integrated circuit (IC) 49 terminals, described frequency regulator IC 57 terminals connect the 3rd integrated circuit (IC) 311 terminals, the 18 capacitor C 18With the 20 resistance R 20Common port connect described frequency regulator IC 56 terminals, the 18 capacitor C 18The other end connect described the 4th integrated circuit (IC) 49 terminals, the 20 resistance R 20The other end connect the first adjustable resistance R W1An end, and the first adjustable resistance R W1The other end be connected described frequency regulator IC with sliding end 55 terminals;
Described emitter follower comprises: the 6th triode VT 6, the 20 resistance R 20, the 21 resistance R 21, the first adjustable resistance R W1, the 18 capacitor C 18
Described the 6th triode VT 6Base stage connect described frequency regulator IC 55 terminals, described the 6th triode VT 6Collector electrode connect described frequency regulator IC 54 terminals, described the 6th triode VT 6Emitter connect the 21 resistance R 21An end, described the 21 resistance R 21The other end connect described the 18 capacitor C 18The other end;
Described second amplifying circuit comprises: the 7th triode VT 7, the 8th triode VT 8, the 22 resistance R 22To the 24 resistance R 24, the 23 capacitor C 23, the 24 capacitor C 24, the 26 capacitor C 26And the 3rd inductance L 3
Described the 23 capacitor C 23An end connect described the 6th triode VT 6Emitter, described the 23 capacitor C 23The other end connect respectively: the 7th triode VT 7Base stage, the 22 resistance R 22An end, the 22 resistance R 22The other end connect described the 21 resistance R 21The other end, described the 7th triode VT 7Collector electrode connect respectively: the 23 resistance R 23One end and the 24 capacitor C 24An end, described the 23 resistance R 23The other end connects the 3rd inductance L 3Mid point, described the 24 capacitor C 24The other end connect respectively: the 8th triode VT 8Base stage, the 24 resistance R 24An end, the 24 resistance R 24The other end connect the 22 resistance R 22The other end, described the 26 capacitor C 26With the 3rd inductance L 3Be in parallel, described the 26 capacitor C 26With the 3rd inductance L 3One end of parallel circuits connects described the 8th triode VT 8Collector electrode, described the 8th triode VT 8Emitter connect described the 24 resistance R 24The other end;
Described frequency-selective network comprises: the first high frequency transformer T 1, the second high frequency transformer T 2, the 26 capacitor C 26With the 27 capacitor C 27
Described the 27 capacitor C 27An end and described the second high frequency transformer T 2An end be connected.
4. mine stringing electrical locomotive according to claim 1 touches earth leakage protective device, it is characterized in that:
Described carrier wave frequency-selective network comprises: the 34 capacitor C 34, the 6th transformer T 6, the 37 capacitor C 37, the 7th transformer T 7
Described the 34 capacitor C 34Two ends connect respectively described the 6th transformer T 6The two ends of one-level coil, described the 37 capacitor C 37An end connect described the 7th transformer T 7An end;
Described the first amplitude limiter circuit comprises: the 6th diode VD 6With the 7th diode VD 7
Described the 6th diode VD 6With the 7th diode VD 7Oppositely be in parallel;
Described arrowband selective frequency amplifier circuit comprises: the 8th transformer T 8, the 9th transformer T 9, the tenth transformer T 10, first group of inverter ic 1-1To the 4th group of inverter ic 1-4, the 28 resistance R 28To the 30 resistance R 30, the 46 resistance R 46To the 47 resistance R 47, the 30 capacitor C 30To the 32 capacitor C 32, the 47 capacitor C 47To the 52 capacitor C 52
Described the 46 resistance R 46With described first group of inverter ic 1-1Be in parallel, described the 47 resistance R 47With described second group of inverter ic 1-2Be in parallel, described the 30 resistance R 30With described the 3rd group of inverter ic 1-3Be in parallel, described the 28 resistance R 28With described the 4th group of inverter ic 1-4Be in parallel, described the 32 capacitor C 32With described the 8th transformer T 8The left side coil be in parallel, described the 49 capacitor C 49With described the 9th transformer T 9The left side coil be in parallel, described the 52 capacitor C 52With described the tenth transformer T 10The left side coil be in parallel, described the 31 capacitor C 31Be connected in described the 28 resistance R 28With the 4th group of inverter ic 1-4Left side and the 8th transformer T of parallel circuits 8The upper end of left side coil is in described the 28 resistance R 28With the 4th group of inverter ic 1-4Right side and described the 6th diode VD of parallel circuits 6With the 7th diode VD 7Oppositely be in parallel and connect described the 33 capacitor C between the circuit upside 33, at the 8th transformer T 8The upper end of right side coil and described the 46 resistance R 46With first group of inverter ic 1-1The left side of parallel circuits between connect described the 30 capacitor C 30, in described the 46 resistance R 46With first group of inverter ic 1-1Right side and described the 47 resistance R of parallel circuits 47With second group of inverter ic 1-2Connect the 47 capacitor C between the left side of parallel circuits 47, in described the 47 resistance R 47With second group of inverter ic 1-2The right side of parallel circuits and the 9th transformer T 9Connect the 48 capacitor C between the mid point of left side coil 48, at the 9th transformer T 9The upper end of right side coil and described the 30 resistance R 30With described the 3rd group of inverter ic 1-3Connect the 50 capacitor C between the left side of parallel circuits 50, described the 29 resistance R 29An end connect described the 50 capacitor C 50The upper end, described the 29 resistance R 29Other end ground connection, in described the 30 resistance R 30With described the 3rd group of inverter ic 1-3The right side of parallel circuits and described the 52 capacitor C 52The upper end between connect described the 51 capacitor C 51
Described the second amplitude limiter circuit comprises: the tenth diode VD 10, the 11 diode VD 11, the 53 capacitor C 53, the 31 resistance R 31, the 32 resistance R 32
Described the tenth diode VD 10With the 11 diode VD 11Oppositely be in parallel, connect respectively in the left side of this parallel circuits: the 53 capacitor C 53An end and the 31 resistance R 31An end, the 53 capacitor C 53The other end connect described the tenth transformer T 10The upper end of right side coil, the 31 resistance R 31Other end ground connection, connect the 32 resistance R on the right side of this parallel circuits 32An end, and the 32 resistance R 32Other end ground connection;
Described demodulator circuit comprises: the 6th integrated circuit (IC) 6, the 33 resistance R 33To the 36 resistance R 36, the 55 capacitor C 55To the 59 capacitor C 59, the second potentiometer R W2
Described the 55 capacitor C 55An end connect described the 6th integrated circuit (IC) 61 terminal, described the 55 capacitor C 55Other end ground connection, described the 6th integrated circuit (IC) 62 terminals connect respectively: the 33 resistance R 33An end, the 56 capacitor C 56An end, the 56 capacitor C 56Other end ground connection, the 57 capacitor C 57With the second potentiometer R W2Be in parallel, the 57 capacitor C 57With the second potentiometer R W2One side and the 33 resistance R of parallel circuits 33The other end connect, the 57 capacitor C 57With the second potentiometer R W2The opposite side of parallel circuits and described the 6th integrated circuit (IC) 67 terminals connect, described the 6th integrated circuit (IC) 66 terminals connect respectively: the 34 resistance R 34An end, the 58 capacitor C 58An end, the 58 capacitor C 58Other end ground connection, the 34 resistance R 34The other end connect the 35 resistance R 35An end, the 35 the resistance R 35The other end connect described the 6th integrated circuit (IC) 65 terminals, described the 36 resistance R 36One end connects the 6th integrated circuit (IC) 64 terminals, the 59 capacitor C 59An end ground connection and its other end connects described the 36 resistance R 36The other end and the 6th integrated circuit (IC) 68 terminals;
Described power amplification executive circuit comprises: the 12 diode VD 12, the 13 diode VD 13, the 5th group of inverter ic 1-5, the 6th group of inverter ic 1-6, the 37 resistance R 37To the 40 resistance R 40, the 45 resistance R 45, the 46 capacitor C 46, the 60 capacitor C 60, relay J 1And the tenth triode VT 10
Described the 12 diode VD 12Positive pole connects respectively: described the 6th integrated circuit (IC) 6, the 36 resistance R 36The other end, the 38 resistance R 38An end, the 59 capacitor C 59The other end, described the 12 diode VD 12Negative pole connects respectively: the 39 resistance R 39An end, the 38 resistance R 38The other end, the 60 capacitor C 60Positive pole, the 60 capacitor C 60Minus earth, the 39 resistance R 39The other end connect respectively: the 5th group of inverter ic 1-5Upper end, the 40 resistance R 40An end, the 5th group of inverter ic 1-5The lower end connect respectively: the 45 resistance R 45An end, the 6th group of inverter ic 1-6The upper end, the 6th group of inverter ic 1-6The lower end connect respectively: the 40 resistance R 40The other end, the 13 diode VD 13Negative pole, the 13 diode VD 13Positive pole connect the 37 resistance R 37An end, the 37 resistance R 37The other end connect the 6th integrated circuit (IC) 64 terminals, the 45 resistance R 45The other end connect respectively: the tenth triode VT 10Base stage, the 46 capacitor C 46An end, the 46 capacitor C 46The other end connect the tenth triode VT 10Emitter, the tenth triode VT 10Collector connection relay J 1, in relay J 1Upper paralleling switch K 1
5. mine stringing electrical locomotive according to claim 4 touches earth leakage protective device, it is characterized in that:
At described the tenth diode VD 10With the 11 diode VD 11Right side and described the 6th integrated circuit (IC) of circuit oppositely are in parallel 63 terminals between connect the 54 capacitor C 54
6. mine stringing electrical locomotive according to claim 3 touches earth leakage protective device, it is characterized in that:
Described amplifying circuit comprises: the tenth resistance R 10To the 13 resistance R 13, the 11 capacitor C 11To the 13 capacitor C 13, the 15 capacitor C 15, the 4th triode VT 4
Described the tenth resistance R 10An end connect respectively: described the 9th resistance R 9The other end, the 13 resistance R 13An end, the 15 capacitor C 15An end, described the tenth resistance R 10The other end connect respectively the 3rd inductance L 3With the 6th capacitor C 6The other end, the 11 resistance R of circuit are in parallel 11An end, described the 11 resistance R 11The other end connect the 11 capacitor C 11Positive pole, described the 11 capacitor C 11Another utmost point connect respectively: the 12 resistance R 12An end, the 4th triode VT 4Base stage, the 12 capacitor C 12An end, described the 13 resistance R 13The other end connect respectively: the 12 resistance R 12The other end, the 4th triode VT 4Collector electrode, the 13 capacitor C 13An end, described the 15 capacitor C 15Other end ground connection, described the 12 capacitor C 12The other end, the 4th triode VT 4Emitter, the 13 capacitor C 13The other end jointly link together;
Described shaping circuit comprises: the 17 resistance R 17, the 14 capacitor C 14, the 3rd integrated circuit (IC) 3
Described the 17 resistance R 17An end connect respectively: the 12 resistance R 12The other end, the 3rd integrated circuit (IC) 312 terminals, described the 17 the resistance R 17The other end connect respectively: the 14 capacitor C 14Positive pole, the 3rd integrated circuit (IC) 313 terminals, described the 14 capacitor C 14Another utmost point, the 3rd integrated circuit (IC) 311 terminals jointly link together.
7. mine stringing electrical locomotive according to claim 1 touches earth leakage protective device, it is characterized in that:
Described transmitter supply partly comprises: the 3rd transformer T 3, the first diode VD 1To the 4th diode VD 4, the 5th triode VT 5, the 25 resistance R 25, the 26 resistance R 26, the 19 capacitor C 19To the 22 capacitor C 22, the 25 capacitor C 25
8. mine stringing electrical locomotive according to claim 1 touches earth leakage protective device, it is characterized in that:
Described receiver power supply partly comprises: the 5th transformer T 5, the 8th diode VD 8, the 9th diode VD 9, the 9th triode VT 9And the 41 resistance R 41To the 44 resistance R 44, the 39 capacitor C 39To the 45 capacitor C 45
CN 201220725542 2012-12-26 2012-12-26 Mine trolley locomotive's electric shock and leakage protection device Expired - Lifetime CN203014339U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220725542 CN203014339U (en) 2012-12-26 2012-12-26 Mine trolley locomotive's electric shock and leakage protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220725542 CN203014339U (en) 2012-12-26 2012-12-26 Mine trolley locomotive's electric shock and leakage protection device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103022964A (en) * 2012-12-26 2013-04-03 司淑梅 Electric shock and leakage protection system for mining trolley locomotive

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103022964A (en) * 2012-12-26 2013-04-03 司淑梅 Electric shock and leakage protection system for mining trolley locomotive
CN103022964B (en) * 2012-12-26 2015-12-16 司淑梅 Mine stringing locomotive leakage protection system

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