CN218767889U - Intelligent power distribution key sequential control hardware system - Google Patents
Intelligent power distribution key sequential control hardware system Download PDFInfo
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- CN218767889U CN218767889U CN202222888710.5U CN202222888710U CN218767889U CN 218767889 U CN218767889 U CN 218767889U CN 202222888710 U CN202222888710 U CN 202222888710U CN 218767889 U CN218767889 U CN 218767889U
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Abstract
The utility model discloses an intelligent power distribution key is in same direction as accuse hardware system, including programmable logic controller, the vacuum circuit breaker handcart of being connected with programmable logic controller electricity, automatic earthing switch, human-computer interface input output device and switching power supply, programmable logic controller is connected with circuit breaker handcart and automatic earthing switch electricity through an electronic handcart earthing switch drive module, human-computer interface input output device shows one key power transmission button and one key maintenance button that corresponds with a key power transmission functional module and a key maintenance functional module respectively, the divide-shut brake of circuit breaker is provided, the independent operation of the divide-shut brake of shaking in and shaking out and earthing switch of handcart, operating personnel only needs a key, the system will judge operating condition, and accomplish all required actions according to specific operation order. If equipment failure or operation contradiction occurs in the operation process, the man-machine interface input and output equipment displays alarm information or prompts to operators, and the hardware system has the characteristics of intelligence, high reliability, convenience and easiness in operation.
Description
Technical Field
The utility model relates to a distribution equipment technical field especially relates to an intelligent power distribution key is in same direction as accuse hardware system.
Background
The switching between electric power distribution equipment work position and the test position needs to operate circuit breaker, circuit breaker handcart and earthing switch according to specific operation order in the operation process. Taking distribution equipment maintenance as an example, an operator needs to perform breaker opening operation firstly, then manually shake out a breaker handcart from a working position to a test position by using an operating handle, and finally perform switch-on operation of a grounding switch.
Misoperation of the circuit breaker, a circuit breaker handcart and a ground switch in operation sequence belongs to serious operation accidents, so that the power distribution equipment has five-prevention mechanical interlocking, and the condition that the operation of devices is not contradictory is ensured. However, in the real situation, the five-prevention interlocking may not be adjusted in place or have defects, and if misoperation occurs, the personal safety of operators may be endangered or the power distribution equipment may be damaged greatly. Meanwhile, in the actual use process, when misoperation occurs, the five-prevention normally plays a role in protection, but due to the lack of an alarm or prompt mechanism, the problem that equipment cannot be normally operated by an operator is often solved by an troubleshooting party. In this case, the operator is not friendly and unnecessary inconvenience is increased, and unnecessary resources are wasted if the problem needs to be solved on the spot by a device manufacturer.
Therefore, those skilled in the art are dedicated to develop an intelligent power distribution one-key sequential control hardware system which is easy to operate and has a high safety factor.
Disclosure of Invention
In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that an intelligent power distribution key in proper order accuse hardware system easy to operate and factor of safety is high is provided.
In order to realize the above object, the utility model provides an intelligent power distribution key is in same direction as accuse hardware system, including programmable logic controller, with vacuum circuit breaker handcart, automatic ground sword, human-computer interface input output device and the switching power supply that programmable logic controller electricity is connected, programmable logic controller through an electronic handcart ground sword drive module with circuit breaker handcart and automatic ground sword electricity are connected.
The programmable logic controller is DVP32ES200R, the human-computer interface input and output device is a touch display screen, a D + pin of the programmable logic controller is connected with a pin A of the touch display screen HMI, a D-pin of the programmable logic controller is connected with a pin B of the touch display screen, a positive electrode of the touch display screen HMI is connected with a positive electrode of the 24-volt power supply end, and a negative electrode of the touch display screen is connected with a negative electrode of the 24-volt power supply end.
The switch power supply is characterized in that the zero line end and the fire line end of the switch power supply are respectively connected with two ends of a first miniature circuit breaker, the other two ends of the first miniature circuit breaker are respectively connected with an external zero line and a fire line, the output anode of the switch power supply is connected with the anode of a 24-volt power supply end, and the output cathode of the switch power supply is connected with the cathode of the 24-volt power supply end.
A live wire pin of the programmable logic controller is connected with the C2 pin and then connected with one end of a second miniature circuit breaker, and the other end of the second miniature circuit breaker is connected with an external live wire; the zero line pin of the programmable logic controller is connected with one end of a ninth electromagnetic coil of a ninth combined intermediate relay, one end of a tenth electromagnetic coil of a tenth combined intermediate relay and an external live wire, the other end of the ninth electromagnetic coil is connected with a Y10 pin of the programmable logic controller, the other end of the tenth electromagnetic coil is connected with a Y11 pin of the programmable logic controller, and a grounding pin of the programmable logic controller is grounded.
And the C0 pin, the C1 pin and the 24V input pin of the programmable logic controller are connected with the S/S pin and then connected with the 24V direct current input end.
The 24G pin of the programmable logic controller is connected with a first circuit and a second circuit, the X0 pin of the programmable logic controller is connected with a first end of a remote/local transfer switch, the X1 pin and the X2 pin are respectively connected with a first end and a second end of a vacuum circuit breaker handcart, the X3 pin is connected with the 6 th pin of the electric handcart grounding knife driving module, the X4 pin is connected with a first normally open end of a first combined intermediate relay, the X5 pin is connected with a first normally open end of a fourth combined intermediate relay, the X6 pin is connected with a first normally open end of a fifth combined intermediate relay, the X7 pin is connected with the A4 pin of the electric handcart grounding knife driving module, the X10 pin is connected with a first normally open end of a sixth combined intermediate relay, the X11 pin is connected with a first normally closed end of a seventh combined intermediate relay, the X12 pin is connected with a first normally closed end of an eighth combined intermediate relay, the X13 pin is connected with a first normally open end of a second combined intermediate relay, and the X14 pin is connected with a first normally open end of a third combined intermediate relay.
The second end of the remote/local transfer switch, the third end and the fourth end of the vacuum circuit breaker handcart, the second normally-open end of the first combined intermediate relay, the second normally-open end of the fourth combined intermediate relay, the second normally-open end of the fifth combined intermediate relay, the second normally-open end of the sixth combined intermediate relay, the second normally-closed end of the seventh combined intermediate relay, the second normally-closed end of the eighth combined intermediate relay, the second normally-open end of the second combined intermediate relay and the second normally-open end of the third combined intermediate relay are respectively connected with the first line.
A 17 th pin of the electric handcart earthing switch driving module is connected with a third normally open end of the fifth combined intermediate relay, a 16 th pin of the electric handcart earthing switch driving module is connected with a third normally open end of the fourth combined intermediate relay, a4 th pin of the electric handcart earthing switch driving module is connected with a first power end of a vacuum circuit breaker handcart, and a second power end of the vacuum circuit breaker handcart is connected with a3 rd pin of the electric handcart earthing switch driving module; the 9 th pin of the electric handcart earthing switch driving module is connected with the third normally-open end of the first combined intermediate relay, the 10 th pin is connected with the third normally-open end of the second combined intermediate relay, the 11 th pin is connected with the third normally-open end of the third combined intermediate relay, the 7 th pin is connected with the third end of the remote/local change-over switch, the 8 th pin is connected with the Y0 pin of the programmable logic controller, the 14 th pin is connected with one end of the remote/local shaking-in switch, the 15 th pin is connected with one end of the remote output/earthing switch fault switch 2, the B9 th pin is connected with the third normally-open end of the eighth combined intermediate relay, the B8 th pin is connected with the third normally-open end of the seventh combined intermediate relay, and the A1 st pin is connected with the first end of the automatic earthing switch; the second end of the automatic ground cutter is connected with an A2 pin of the electric handcart ground cutter driving module; the B3 th pin of the electric handcart earthing switch driving module is connected with the third normally open end of the sixth combined type intermediate relay, the B2 th pin is connected with one end of a first intermediate relay, the B6 th pin is connected with one end of a remote closing switch 3, and the B7 th pin is connected with one end of a remote opening switch 4.
The fourth normally open end of the electric handcart ground knife driving module, the fourth normally open end of the fifth combined intermediate relay, the fourth normally open end of the fourth combined intermediate relay, the fourth normally open end of the first combined intermediate relay, the fourth normally open end of the second combined intermediate relay, the fourth normally open end of the third combined intermediate relay, the 5 th pin of the electric handcart ground knife driving module, the fourth end of the remote/local change-over switch, the other end of the remote/local swing-in switch 1, the other end of the remote output/ground knife fault switch 2, the A3 pin of the electric handcart ground knife driving module, the B10 pin of the electric handcart ground knife driving module, the fourth normally open end of the eighth combined intermediate relay, the fourth normally open end of the seventh combined intermediate relay, the fourth normally open end of the sixth combined intermediate relay, the other end of the first intermediate relay, the other end of the remote closing switch 3 and the other end of the remote separating brake switch 4 are connected with the second remote circuit respectively.
The 12 th pin of the electric handcart ground knife driving module is connected with the Y1 pin of the programmable logic controller, the 13 th pin is connected with the Y2 pin of the programmable logic controller, the B4 th pin is connected with the Y3 pin of the programmable logic controller, and the B5 th pin is connected with the Y4 pin of the programmable logic controller.
The utility model discloses a vacuum circuit breaker handcart, including switching power supply's zero line end and live wire end, switching power supply's output positive pole is connected 24 and is voked the anodal 24V + of feeder ear and third circuit respectively, and 24 volt feeder ear negative pole 24V-and fourth circuit are connected to the output negative pole, third circuit parallel connection has the fifth end and the sixth end of vacuum circuit breaker handcart the third end of automatic ground sword, the one end of a first micro-gap switch 1SQ, the one end of a second micro-gap switch 2SQ the fifth end of automatic ground sword with the tenth one end of vacuum circuit breaker handcart, the seventh end of vacuum circuit breaker handcart is connected the fourth end of automatic ground sword, the twelfth end of vacuum circuit breaker handcart is connected in series has the one end of fourth micro-gap switch 4SQ and fifth micro-gap switch 5 SQ.
The first combined intermediate relay includes a first electromagnetic coil, the second combined intermediate relay includes a second electromagnetic coil, the third combined intermediate relay includes a third electromagnetic coil, the fourth combined intermediate relay includes a fourth electromagnetic coil, the fifth combined intermediate relay includes a fifth electromagnetic coil, the sixth combined intermediate relay includes a sixth electromagnetic coil, the seventh combined intermediate relay includes a seventh electromagnetic coil, and the eighth combined intermediate relay includes an eighth electromagnetic coil.
Fifth solenoid's one end with the eighth end of vacuum circuit breaker handcart is connected, fourth solenoid's one end with the ninth end of vacuum circuit breaker handcart is connected, first solenoid's one end with the tenth end of vacuum circuit breaker handcart is connected, second solenoid's one end with the other end of first micro-gap switch 1SQ is connected, third solenoid's one end with the other end of second micro-gap switch 2SQ is connected, eighth solenoid's one end with the sixth end of automatic ground sword is connected, seventh solenoid's one end with the seventh end of automatic ground sword is connected, sixth solenoid's one end with the other end of fifth micro-gap switch 5SQ is connected.
The other end of the fifth electromagnetic coil, the other end of the fourth electromagnetic coil, the other end of the first electromagnetic coil, the other end of the second electromagnetic coil, the other end of the third electromagnetic coil, the other end of the eighth electromagnetic coil, the other end of the seventh electromagnetic coil and the other end of the sixth electromagnetic coil are respectively connected with the fourth line.
The tenth three end and the fourteenth end of the vacuum circuit breaker handcart are respectively connected with a 90 th pin and a 92 th pin of a microcomputer protection device, the 91 st pin of the microcomputer protection device is connected with a2 nd pin of a switching-on/switching-off universal switch, one end of the ninth combined type intermediate relay, one end of a manual switching-on switch 5 and one end of a manual switching-on switch, the 93 th pin of the microcomputer protection device is connected with one end of a three-throw-two-throw-in/switching-off universal switch, a4 th pin of the switching-on/switching-off universal switch and one end of the tenth combined type intermediate relay, the 94 th pin and the 95 th pin of the microcomputer protection device are respectively connected with the middle part of a sixth circuit and the middle part of a fifth circuit, one end of the sixth circuit and one end of the fifth circuit are respectively connected with two ends of a first micro-break switch, the other two ends of the first micro-break switch are respectively connected with a control anode WC + and a control cathode-, the control anode WC + is connected with the sixth circuit through the first micro-break switch, and the control cathode WC is connected with the control cathode-WC;
the utility model discloses a vacuum circuit breaker handcart, including vacuum circuit breaker handcart, first intermediate relay's first circuit, the first circuit of second circuit, the second circuit of third circuit, the fifth circuit still is connected with the one end of first intermediate relay's relay coil, the other end of relay coil is connected the other end that two blocking switches were thrown to the third the other end of manual closing switch with distant place/2 nd foot of change over switch on the spot, the 3 rd foot and the 1 st foot of ten thousand change over switches of divide-shut brake are connected after being connected the 4 th foot of distant place/change over switch on the spot, the tenth combination formula intermediate relay's the other end the 1 st foot of distant place/change over switch on the spot the 3 rd foot of distant place/change over switch on the spot and the other end of ninth combination formula intermediate relay are connected the sixth circuit.
The utility model has the advantages that: the utility model discloses an intelligence distribution key is in same direction as accuse hardware system, including programmable logic controller, the vacuum circuit breaker handcart of being connected with programmable logic controller electricity, automatic earthing switch, human-computer interface input output equipment and switching power supply, programmable logic controller is connected with circuit breaker handcart and automatic earthing switch electricity through an electronic handcart earthing switch drive module, programmable logic controller is provided with a key power transmission function module and a key maintenance function module, human-computer interface input output equipment shows one key power transmission button and a key maintenance button that corresponds with a key power transmission function module and a key maintenance function module respectively, the divide-shut brake of circuit breaker is provided simultaneously, the independent operation of the divide-shut brake of shaking out and earthing switch is advanced in of handcart, operating personnel only need a key, the system will judge operating condition, and accomplish all required actions according to specific operation order. If equipment failure or operation contradiction occurs in the operation process, the human-computer interface input and output equipment displays alarm information or prompt for operators.
Drawings
Fig. 1 is a wiring diagram of the programmable logic controller of the present invention;
fig. 2 is a wiring diagram of the vacuum circuit breaker handcart, the automatic ground switch and the switching power supply of the utility model;
fig. 3 is the utility model discloses a vacuum circuit breaker handcart control connection wiring diagram.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 3, an intelligent power distribution one-key sequence control hardware system comprises a programmable logic controller PLC, a vacuum circuit breaker handcart 1DL electrically connected with the programmable logic controller, an automatic ground switch DK, a human-computer interface input/output device and a switch power supply DR, wherein the programmable logic controller PLC is electrically connected with the circuit breaker handcart and the automatic ground switch through an electric handcart ground switch driving module 1 YF-DPC; programmable logic controller PLC is provided with a key power transmission functional module and a key and overhauls the functional module, human-computer interface input output device show respectively with a key power transmission button and a key that a key power transmission functional module and a key overhauls the functional module and correspond overhaul the button, provide the divide-shut brake of circuit breaker, handcart shake in and out and the independent operation of the divide-shut brake of earthing switch simultaneously, operating personnel only need the key, and the operating condition will be judged to the system to accomplish all required actions according to specific operation order. If equipment failure or operation contradiction occurs in the operation process, the human-computer interface input and output equipment displays alarm information or prompt for operators.
In this embodiment, the PLC is a DVP32ES200R, the human-machine interface input/output device is a touch display HMI, a D + pin of the PLC is connected to a pin a of the touch display HMI, a D-pin is connected to a pin B of the touch display HMI, a positive electrode of the touch display HMI is connected to a positive electrode of the 24-volt power supply terminal, and a negative electrode of the touch display HMI is connected to a negative electrode of the 24-volt power supply terminal.
The zero line end and the fire line end of the switch power supply DR are respectively connected with two ends of a first miniature circuit breaker QF1, the other two ends of the first miniature circuit breaker QF1 are respectively connected with an external zero line and a fire line, the output positive pole of the switch power supply DR is connected with the positive pole of a 24-volt power supply end, and the output negative pole of the switch power supply DR is connected with the negative pole of the 24-volt power supply end.
A live wire pin of the programmable logic controller PLC is connected with the C2 pin and then connected with one end of a second miniature circuit breaker QF2, and the other end of the second miniature circuit breaker QF2 is connected with an external live wire; a zero line pin of the programmable logic controller PLC is connected with one end of a ninth electromagnetic coil MC9 of a ninth combined intermediate relay KA9, one end of a tenth electromagnetic coil MC10 of a tenth combined intermediate relay KA10 and an external live wire, the other end of the ninth electromagnetic coil MC9 is connected with a Y10 pin of the programmable logic controller PLC, the other end of the tenth electromagnetic coil MC10 is connected with a Y11 pin of the programmable logic controller PLC, and a grounding pin of the programmable logic controller PLC is grounded;
and C0 pin, C1 pin and 24 volt input pin of the programmable logic controller PLC are connected with S/S pin and then connected with 24 volt direct current input end DC24.
Programmable logic controller PLC's 24G foot is connected with first circuit L1 and second circuit L2, programmable logic controller PLC's X0 foot is connected with the first end of a distant place/change over switch 1KK on the spot, X1 foot and X2 foot are connected with respectively vacuum circuit breaker handcart 1 DL's first end and second end, and the X3 foot is connected the 6 th foot of electronic handcart earthing knife drive module 1YF-DPC, X4 foot are connected with the first open end always of a first combination formula auxiliary relay KA1, and X5 foot is connected with the first open end always of a fourth combination formula auxiliary relay KA4, and X6 foot is connected with the first open end always of a fifth combination formula auxiliary relay KA5, and the X7 foot is connected the A4 foot of electronic handcart earthing knife drive module 1YF-DPC KA, and X10 foot is connected with the first open end always of a sixth combination formula auxiliary relay KA6, and X11 foot is connected with the first closed end always of a seventh combination formula auxiliary relay 7, and X12 foot is connected with the first closed end always combined formula auxiliary relay KA8, and X13 first open end always combined type auxiliary relay KA 14 the first open end always combined type relay KA 3X 3 foot is connected with the first normally open end always combined type relay KA.
The second end of distant place/local change over switch 1KK the third end and the fourth end of vacuum circuit breaker handcart 1DL the second of first combination formula intermediate relay KA1 is open end often, the second of fourth combination formula intermediate relay KA4 is open end often, the second of fifth combination formula intermediate relay KA5 is open end often, the second of sixth combination formula intermediate relay KA6 is open end often, the second of seventh combination formula intermediate relay KA7 is closed end often the second of eighth combination formula intermediate relay KA8 is closed end often the second of second combination formula intermediate relay KA2 is open end often and the second of third combination formula intermediate relay KA3 is open end often respectively with first line L1 connects.
A 17 th pin of the electric handcart ground knife driving module 1YF-DPC is connected with a third normally open end of the fifth combined intermediate relay KA5, a 16 th pin is connected with a third normally open end of the fourth combined intermediate relay KA4, a4 th pin is connected with a first power end of the vacuum circuit breaker handcart 1DL, and a second power end of the vacuum circuit breaker handcart 1DL is connected with a3 rd pin of the electric handcart ground knife driving module 1 YF-DPC; a9 th pin of the electric handcart earthing knife driving module 1YF-DPC is connected with a third normally-open end of the first combined intermediate relay KA1, a10 th pin of the electric handcart earthing knife driving module is connected with a third normally-open end of the second combined intermediate relay KA2, a 11 th pin of the electric handcart earthing knife driving module is connected with a third normally-open end of the third combined intermediate relay KA3, a7 th pin of the electric handcart earthing knife driving module is connected with a third end of the remote/local transfer switch 1KK, an 8 th pin of the electric handcart earthing knife driving module is connected with a Y0 pin of the programmable logic controller PLC, a 14 th pin of the electric handcart earthing knife driving module is connected with one end of the remote/local shaking-in switch 1, a 15 th pin of the electric handcart earthing knife driving module is connected with one end of the remote output/earthing knife fault switch 2, a B9 th pin of the eighth combined intermediate relay KA8 is connected with a third normally-open end of the seventh combined intermediate relay KA7, and an A1 st pin of the automatic earthing knife DK; the second end of the automatic ground knife DK is connected with the A2 pin of the electric handcart ground knife driving module 1 YF-DPC; the B3 th pin of the electric handcart earthing switch driving module 1YF-DPC is connected with a third normally open end of the sixth combined intermediate relay KA6, the B2 th pin is connected with one end of a first intermediate relay 1KA, the B6 th pin is connected with one end of a remote closing switch 3, and the B7 th pin is connected with one end of a remote opening switch 4.
The fourth normally open end of the electric handcart ground knife driving module 1YF-DPC, the fourth normally open end of the fifth combined intermediate relay KA5, the fourth normally open end of the fourth combined intermediate relay KA4, the fourth normally open end of the first combined intermediate relay KA1, the fourth normally open end of the second combined intermediate relay KA2, the fourth normally open end of the third combined intermediate relay KA3, the 5 th pin of the electric handcart ground knife driving module 1YF-DPC, the fourth end of the remote/local transfer switch 1KK, the other end of the remote/local swing-in switch 1, the other end of the remote output/ground knife fault switch 2, the A3 th pin of the electric handcart ground knife driving module 1YF-DPC, the B10 th pin of the electric handcart ground knife driving module 1YF-DPC, the fourth normally open end of the eighth combined intermediate relay 8, the fourth normally open end of the seventh combined intermediate relay YF-DPC 7, the fourth normally open end of the sixth combined intermediate relay KA6, the fourth normally open end of the remote/local transfer switch KA2 and the other end of the remote output/local swing-in-switch 1, the second line switch and the switch are connected with the switching-on switch.
The 12 th pin of the electric handcart ground knife driving module 1YF-DPC is connected with the Y1 pin of the programmable logic controller PLC, the 13 th pin is connected with the Y2 pin of the programmable logic controller PLC, the B4 th pin is connected with the Y3 pin of the programmable logic controller PLC, and the B5 th pin is connected with the Y4 pin of the programmable logic controller PLC.
The zero line end and the fire line end of the switch power supply DR are respectively connected with two ends of a first miniature circuit breaker QF1, the output positive electrode of the switch power supply DR is connected with a 24V positive electrode of a 24V power supply end and a third line L3, the output negative electrode is connected with a 24V negative electrode of the 24V power supply end and a fourth line L4, the third line L3 is connected with a fifth end and a sixth end of a vacuum circuit breaker handcart 1DL in parallel, a third end of an automatic ground cutter DK, one end of a first micro switch 1SQ, one end of a second micro switch 2SQ, a fifth end of the automatic ground cutter DK and a tenth end of the vacuum circuit breaker handcart 1DL in parallel, the seventh end of the vacuum circuit breaker handcart 1DL is connected with a fourth end of the automatic ground cutter DK, and the twelfth end of the vacuum circuit breaker handcart 1DL is connected with one ends of a fourth micro switch 4SQ and a fifth micro switch 5SQ in series.
First combination formula auxiliary relay KA1 includes first solenoid MC1, second combination formula auxiliary relay KA2 includes second solenoid MC2, third combination formula auxiliary relay KA3 includes third solenoid MC3, fourth combination formula auxiliary relay KA4 includes fourth solenoid MC4, fifth combination formula auxiliary relay KA5 includes fifth solenoid MC5, sixth combination formula auxiliary relay KA6 includes sixth solenoid MC6, seventh combination formula auxiliary relay KA7 includes seventh solenoid MC7, eighth combination formula auxiliary relay KA8 includes eighth solenoid MC8.
One end of a fifth electromagnetic coil MC5 is connected with an eighth end of a vacuum circuit breaker handcart 1DL, one end of a fourth electromagnetic coil MC4 is connected with a ninth end of the vacuum circuit breaker handcart 1DL, one end of the first electromagnetic coil MC1 is connected with a tenth end of the vacuum circuit breaker handcart 1DL, one end of a second electromagnetic coil MC2 is connected with the other end of the first microswitch 1SQ, one end of a third electromagnetic coil MC3 is connected with the other end of the second microswitch 2SQ, one end of an eighth electromagnetic coil MC8 is connected with a sixth end of an automatic ground cutter DK, one end of a seventh electromagnetic coil MC7 is connected with a seventh end of the automatic ground cutter DK, and one end of a sixth electromagnetic coil MC6 is connected with the other end of the fifth microswitch 5 SQ.
The other end of the fifth electromagnetic coil MC5, the other end of the fourth electromagnetic coil MC4, the other end of the first electromagnetic coil MC1, the other end of the second electromagnetic coil MC2, the other end of the third electromagnetic coil MC3, the other end of the eighth electromagnetic coil MC8, the other end of the seventh electromagnetic coil MC7, and the other end of the sixth electromagnetic coil MC6 are connected to the fourth line L4, respectively.
The tenth three end and the fourteenth end of the vacuum circuit breaker handcart 1DL are respectively connected with a 90 th pin and a 92 th pin of a microcomputer protection device 1n, the 91 th pin of the microcomputer protection device 1n is connected with a2 nd pin of a switching-on/switching-off universal switch 2KK, one end of a ninth combined type intermediate relay KA9, one end of a manual switching-on switch 5 and one end of the manual switching-on switch 5, the 93 th pin of the microcomputer protection device 1n is connected with one end of a third switching-on/switching-off universal switch 6, a4 th pin of the switching-on/switching-off universal switch 2KK and one end of the tenth combined type intermediate relay KA10, the 94 th pin and the 95 th pin of the microcomputer protection device 1n are respectively connected with the middle part of a sixth line L6 and the middle part of a fifth line L5, one end of the sixth line L6 and one end of the fifth line L5 are respectively connected with two ends of a first micro-break-off switch 1QF, the other two ends of the first micro-break-off switch 1QF are respectively connected with a control anode + and a control cathode WC + WC, and the first micro-break-off control cathode is connected with the first WC 1-WC through the first micro-control switch;
the utility model discloses a vacuum circuit breaker handcart 1 DL's fifteenth end and sixteenth end with fifth circuit L5 connects, fifth circuit L5 still is connected with the relay coil 1 MC's of first auxiliary relay 1KA one end, relay coil 1 MC's the other end is connected the other end that two blocking switch 6 were thrown to the three, manual closing switch 5's the other end with the 2 nd foot of distant place/local change over switch 1KK, connect after the 3 rd foot and the 1 st foot of divide-shut brake universal change over switch 2KK are connected the 4 th foot of distant place/local change over switch 1KK, the other end of tenth combination formula auxiliary relay KA10 the 1 st foot of distant place/local change over switch 1KK the 3 rd foot of distant place/local change over switch 1KK and the other end of ninth combination formula auxiliary relay KA9 are connected sixth circuit L6.
The utility model discloses a theory of operation is:
when a key power transmission key is pressed, the system automatically performs 1) disconnecting the switch with the earth knife; 2) The handcart is shaken into a working position; 3) Switching on a breaker;
the programmable logic controller PLC outputs a high level signal to the output Y4 pin, so that the pin B5 of the electric handcart ground knife driving module 1YF-DPC connected to the Y4 pin obtains the high level signal. At the moment, the electric handcart earthing cutter driving module 1YF-DPC outputs a voltage difference of 220V direct current to the A1 st pin connected to the negative pole of the earthing cutter driving motor and the A2 nd pin connected to the positive pole of the earthing cutter driving motor, and the earthing cutter driving motor acts and meets the action requirement of earthing cutter opening. After the earthing switch is switched off, the eighth combined type intermediate relay KA8 is closed, and the pin B9 of the electric handcart earthing switch driving module 1YF-DPC obtains a low level. The programmable logic controller PLC outputs a high level signal to the output Y1 pin, the 12 th pin of the electric handcart ground knife driving module 1YF-DPC obtains the high level signal, and a direct-current 220V voltage difference power supply is output to the 1 st pin (connected to the positive pole of a handcart motor) and the 2 nd pin (connected to the negative pole of the handcart motor). At the moment, the motor of the handcart acts, and the handcart is shaken into a working position. When the handcart reaches the working site, the handcart mechanism triggers the fourth combined intermediate relay KA4, and the fourth combined intermediate relay KA4 is closed. The fourth combined intermediate relay KA4 is closed to enable the 16 th pin of the electric handcart ground knife driving module 1YF-DPC to obtain a low level signal, the handcart motor stops acting, and the action that the handcart is shaken into the working position is completed. And the closing point of the fourth combined intermediate relay KA4 is simultaneously connected to an X5 input point of the programmable logic controller PLC, the programmable logic controller PLC outputs a high-level signal to a Y10 pin after receiving the signal, the ninth electromagnetic coil MC9 is electrified, the KA9 contact is closed, the breaker finishes a closing action, and at the moment, the one-key power transmission operation is finished.
When a one-key maintenance key is pressed, the system automatically performs 1) opening of the breaker; 2) The handcart is shaken out to a test position; 3) Switching on the ground cutter;
and the programmable logic controller PLC outputs a high-level signal to the output Y11 pin, the tenth electromagnetic coil MC10 is electrified, the KA10 contact is closed, and the breaker acts to complete the opening action. And after the breaker is opened, the programmable logic controller PLC outputs high level to the output Y2 pin. Pin 13 of the electric handcart ground knife driving module 1YF-DPC obtains high level, and outputs direct current 220V voltage difference power supply to the 1 st pin (connected to the positive pole of the handcart motor) and the 2 nd pin (connected to the negative pole of the handcart motor). At the moment, the motor of the handcart acts, and the handcart is shaken into a test position. When the handcart reaches the test site, the handcart mechanism triggers the fifth combined intermediate relay KA5 and KA5 to be closed. Closing the fifth combined intermediate relay KA5 enables a 17 th pin of the electric handcart ground knife driving module 1YF-DPC to obtain a low-level signal, a handcart motor stops acting, and the action of shaking out the handcart to a test position is completed. After the handcart is shaken out, the programmable logic controller PLC outputs a high level signal to the output Y3 pin, so that the B4 pin of the electric handcart ground knife driving module 1YF-DPC connected to the Y3 obtains the high level signal. At the moment, the electric handcart earthing cutter driving module 1YF-DPC outputs a voltage difference of 220V direct current to the negative pole of the earthing cutter driving motor connected to the pin A1 and the positive pole of the earthing cutter driving motor connected to the pin A2, and the earthing cutter motor acts and meets the action requirement of earthing cutter brake opening. At this time, the one-key overhaul operation is completed.
When equipment failure occurs in the operation process, namely the operations cannot be completed normally, a failure alarm or prompt is displayed.
The utility model has the advantages that:
the traditional power distribution equipment mainly relies on the five-prevention interlocking function of the equipment to avoid misoperation during operation, and has the defect that the equipment lacks an alarm or prompt mechanism to bring inconvenience to operators once the equipment is not in accordance with the operation conditions. And once the five-prevention interlocking fails, life safety injury can be caused to operators or equipment can be damaged. Compared with the prior art, the design adopts the programmable logic controller as the core of the system, and monitors the working states of devices such as a circuit breaker, a handcart, a ground knife and the like in real time. If equipment fails or operation condition is not met in the operation process, the system visually displays detailed description of the failure or operation non-meeting through a human-computer interface. The work of troubleshooting of operators is saved, and meanwhile, if the five-prevention interlocking fails, the system automatically locks all equipment to avoid serious operation accidents. After the power distribution equipment adopts the design, the equipment has the characteristics of intelligence, high reliability, convenience and easiness in operation.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by logical analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention by those skilled in the art should be within the scope of protection defined by the claims.
Claims (5)
1. The utility model provides an intelligent power distribution key is in same direction as accuse hardware system which characterized in that: the automatic ground knife switch comprises a Programmable Logic Controller (PLC), a vacuum circuit breaker handcart (1 DL) electrically connected with the PLC, an automatic ground knife (DK), a human-computer interface input and output device and a switch power supply (DR), wherein the PLC is electrically connected with the circuit breaker handcart and the automatic ground knife through an electric handcart ground knife driving module (1 YF-DPC).
2. The intelligent power distribution key sequence control hardware system of claim 1, wherein: the Programmable Logic Controller (PLC) is DVP32ES200R, the human-computer interface input and output device is a touch display screen (HMI), a D + pin of the Programmable Logic Controller (PLC) is connected with a pin A of the touch display screen (HMI), a D-pin is connected with a pin B of the touch display screen (HMI), the anode of the touch display screen (HMI) is connected with the anode of a 24-volt power supply end, and the cathode of the touch display screen (HMI) is connected with the cathode of the 24-volt power supply end;
the power supply is characterized in that the zero line end and the fire line end of the switch power supply (DR) are respectively connected with two ends of a first miniature circuit breaker (QF 1), the other two ends of the first miniature circuit breaker (QF 1) are respectively connected with an external zero line and a fire line, the output positive pole of the switch power supply (DR) is connected with the positive pole of the 24-volt power supply end, and the output negative pole of the switch power supply (DR) is connected with the negative pole of the 24-volt power supply end.
3. The intelligent power distribution key sequence control hardware system of claim 2, wherein: a live wire pin of the Programmable Logic Controller (PLC) is connected with the C2 pin and then connected with one end of a second miniature circuit breaker (QF 2), and the other end of the second miniature circuit breaker (QF 2) is connected with an external live wire; a zero line pin of the Programmable Logic Controller (PLC) is connected with one end of a ninth electromagnetic coil (MC 9) of a ninth combined type intermediate relay (KA 9), one end of a tenth electromagnetic coil (MC 10) of a tenth combined type intermediate relay (KA 10) and an external live wire, the other end of the ninth electromagnetic coil (MC 9) is connected with a Y10 pin of the Programmable Logic Controller (PLC), the other end of the tenth electromagnetic coil (MC 10) is connected with a Y11 pin of the Programmable Logic Controller (PLC), and a grounding pin of the Programmable Logic Controller (PLC) is grounded;
c0 pin, C1 pin and 24V input pins of the Programmable Logic Controller (PLC) are connected with an S/S pin and then connected with a 24V direct current input end (DC 24);
a 24G pin of the Programmable Logic Controller (PLC) is connected with a first line (L1) and a second line (L2), an X0 pin of the Programmable Logic Controller (PLC) is connected with a first 11 pin of a remote/local transfer switch (1 KK), the X1 pin and the X2 pin are respectively connected with a first end and a second end of a vacuum circuit breaker handcart (1 DL), an X3 pin is connected with a6 th pin of an electric handcart earthing knife driving module (1 YF-DPC), the X4 pin is connected with a first normally open end of a first combined type intermediate relay (KA 1), an X5 pin is connected with a first normally open end of a fourth combined type intermediate relay (KA 4), the X6 pin is connected with a first normally open end of a fifth combined type intermediate relay (KA 5), the X7 pin is connected with A4 pin of the electric handcart earthing knife driving module (1 YF-DPC), an X10 pin is connected with a first normally open end of a sixth combined type intermediate relay (6), an X11 pin is connected with a first normally open end of a seventh combined type intermediate relay (KA 5), an X7 pin is connected with a first normally open end of an eighth combined type intermediate relay (KA) and an X10 pin is connected with a first normally open end of a first closed relay (KA 3) and a first normally open end of an eighth relay (KA 3) is connected with a first normally open end of a sixth relay (KA 3);
a 12 th pin of the remote/local transfer switch (1 KK), a third end and a fourth end of the vacuum circuit breaker handcart (1 DL), a second normally-open end of the first combined intermediate relay (KA 1), a second normally-open end of the fourth combined intermediate relay (KA 4), a second normally-open end of the fifth combined intermediate relay (KA 5), a second normally-open end of the sixth combined intermediate relay (KA 6), a second normally-closed end of the seventh combined intermediate relay (KA 7), a second normally-closed end of the eighth combined intermediate relay (KA 8), a second normally-open end of the second combined intermediate relay (KA 2) and a second normally-open end of the third combined intermediate relay (KA 3) are respectively connected with the first line (L1);
a 17 th pin of the electric handcart ground knife driving module (1 YF-DPC) is connected with a third normally-open end of the fifth combined intermediate relay (KA 5), a 16 th pin is connected with a third normally-open end of the fourth combined intermediate relay (KA 4), a4 th pin is connected with a first power end of the vacuum circuit breaker handcart (1 DL), and a second power end of the vacuum circuit breaker handcart (1 DL) is connected with a3 rd pin of the electric handcart ground knife driving module (1 YF-DPC); a9 th pin of the electric handcart earthing knife driving module (1 YF-DPC) is connected with a third normally-open end of the first combined type intermediate relay (KA 1), a10 th pin is connected with a third normally-open end of the second combined type intermediate relay (KA 2), a 11 th pin is connected with a third normally-open end of the third combined type intermediate relay (KA 3), a7 th pin is connected with a10 th pin of the remote/local transfer switch (1 KK), an 8 th pin is connected with a Y0 pin of the Programmable Logic Controller (PLC), a 14 th pin is connected with one end of the remote/local swing-in switch (1), a 15 th pin is connected with one end of the remote output/earthing knife fault switch (2), a B9 th pin is connected with a third normally-open end of the eighth combined type intermediate relay (KA 8), a B8 th pin is connected with a third normally-open end of the seventh combined type intermediate relay (KA 7), and an A1 st pin is connected with a first end of the automatic earthing knife (DK); the second end of the automatic ground knife (DK) is connected with an A2 pin of the electric handcart ground knife driving module (1 YF-DPC); a B3 pin of the electric handcart ground knife driving module (1 YF-DPC) is connected with a third normally open end of the sixth combined intermediate relay (KA 6), a B2 pin is connected with one end of a first intermediate relay (1 KA), the B6 pin is connected with one end of a remote closing switch (3), and a B7 pin is connected with one end of a remote opening switch (4);
a fourth 18 pin of the electric handcart ground knife driving module (1 YF-DPC), a fourth normally open end of the fifth combined intermediate relay (KA 5), a fourth normally open end of the fourth combined intermediate relay (KA 4), a fourth normally open end of the first combined intermediate relay (KA 1), a fourth normally open end of the second combined intermediate relay (KA 2), a fourth normally open end of the third combined intermediate relay (KA 3), a fourth normally open end of the electric handcart ground knife driving module (1 YF-DPC), a fourth 5 pin of the remote-place transfer switch (1 KK), a9 pin of the remote-place transfer switch (1 KK), the other end of the remote-place/swing-in switch (1), the other end of the remote-output/ground knife fault switch (2), A3 pin of the electric handcart ground knife driving module (1 YF-DPC), a fourth 10 pin of the electric handcart ground knife driving module (1 YF-DPC), a fourth normally open end of the eighth combined intermediate relay (KA 8), a fourth normally open end of the fourth combined intermediate relay (KA 2), a fourth normally open end of the remote-switch (KA 4) and a fourth normally open end of the remote-switch (KA 2) are connected with the fourth normally open end of the fourth combined intermediate relay (KA 4, the remote-opened relay (KA 3 and the fourth normally open end of the remote-opened relay (KA 2) of the remote-shared switching relay (KA 2);
the 12 th pin of the electric handcart ground knife driving module (1 YF-DPC) is connected with the Y1 pin of the Programmable Logic Controller (PLC), the 13 th pin is connected with the Y2 pin of the Programmable Logic Controller (PLC), the B4 th pin is connected with the Y3 pin of the Programmable Logic Controller (PLC), and the B5 th pin is connected with the Y4 pin of the Programmable Logic Controller (PLC).
4. The intelligent power distribution key sequence control hardware system of claim 3, wherein: the zero line end and the fire line end of the switch power supply (DR) are respectively connected with two ends of a first miniature circuit breaker (QF 1), the output positive electrode of the switch power supply (DR) is connected with a 24V power supply end positive electrode (24V +) and a third line (L3), the output negative electrode is connected with a 24V power supply end negative electrode (24V-) and a fourth line (L4), the third line (L3) is connected with a fifth end and a sixth end of a vacuum circuit breaker handcart (1 DL), a third end of an automatic ground cutter (DK), one end of a first microswitch (1 SQ), one end of a second microswitch (2 SQ), a fifth end of the automatic ground cutter (DK) and a tenth end of the vacuum circuit breaker handcart (1 DL) in parallel, a seventh end of the vacuum circuit breaker handcart (DL 1 DL) is connected with a fourth end of the automatic ground cutter (DK), and a twelfth end of the vacuum circuit breaker (1 DL) is connected with a fourth microswitch (SQ 4) and a fifth microswitch (SQ 5) in series;
the first combined type intermediate relay (KA 1) comprises a first electromagnetic coil (MC 1), the second combined type intermediate relay (KA 2) comprises a second electromagnetic coil (MC 2), the third combined type intermediate relay (KA 3) comprises a third electromagnetic coil (MC 3), the fourth combined type intermediate relay (KA 4) comprises a fourth electromagnetic coil (MC 4), the fifth combined type intermediate relay (KA 5) comprises a fifth electromagnetic coil (MC 5), the sixth combined type intermediate relay (KA 6) comprises a sixth electromagnetic coil (MC 6), the seventh combined type intermediate relay (KA 7) comprises a seventh electromagnetic coil (MC 7), and the eighth combined type intermediate relay (KA 8) comprises an eighth electromagnetic coil (MC 8);
one end of the fifth electromagnetic coil (MC 5) is connected with the eighth end of the vacuum circuit breaker handcart (1 DL), one end of the fourth electromagnetic coil (MC 4) is connected with the ninth end of the vacuum circuit breaker handcart (1 DL), one end of the first electromagnetic coil (MC 1) is connected with the tenth end of the vacuum circuit breaker handcart (1 DL), one end of the second electromagnetic coil (MC 2) is connected with the other end of the first microswitch (1 SQ), one end of the third electromagnetic coil (MC 3) is connected with the other end of the second microswitch (2 SQ), one end of the eighth electromagnetic coil (MC 8) is connected with the sixth end of the automatic ground cutter (DK), one end of the seventh electromagnetic coil (MC 7) is connected with the seventh end of the automatic ground cutter (DK), and one end of the sixth electromagnetic coil (MC 6) is connected with the other end of the fifth microswitch (5 SQ);
the other end of the fifth electromagnetic coil (MC 5), the other end of the fourth electromagnetic coil (MC 4), the other end of the first electromagnetic coil (MC 1), the other end of the second electromagnetic coil (MC 2), the other end of the third electromagnetic coil (MC 3), the other end of the eighth electromagnetic coil (MC 8), the other end of the seventh electromagnetic coil (MC 7) and the other end of the sixth electromagnetic coil (MC 6) are respectively connected with the fourth line (L4).
5. The intelligent power distribution key sequence control hardware system of claim 3, wherein: the vacuum circuit breaker handcart (1 DL) is characterized in that a thirteenth end and a fourteenth end of the vacuum circuit breaker handcart (1 DL) are respectively connected with a 90 th pin and a 92 th pin of a microcomputer protection device (1 n), a 91 th pin of the microcomputer protection device (1 n) is connected with a2 nd pin of a switching-on/switching-off universal switch (2 KK), one end of a ninth combined type intermediate relay (KA 9) and one end of a manual switching-on switch (5) and one end of the manual switching-on switch (5), a 93 th pin of the microcomputer protection device (1 n) is connected with one end of a three-throw-on/off two-locking switch (6), a4 th pin of the switching-on/switching-off universal switch (2 KK) and one end of the tenth combined type intermediate relay (KA 10), a 94 th pin and a 95 th pin of the microcomputer protection device (1 n) are respectively connected with a middle part of a sixth line (L6) and a middle part of a fifth line (L5), one end of the sixth line (L6) and one end of the fifth line (L5) are respectively connected with two ends of a first micro-break switch (WC) and a negative pole (QF) which are respectively connected with a first micro-break switch (WC) and a second micro-break switch (WC 1-) which is controlled by a negative pole (WC 1-) and a negative pole (WC 1-) which is connected with a negative pole which is connected with a second micro-break switch (QF switch (WC 1-) which is connected with a negative pole which is connected with a first micro-control switch (WC 1-) which is connected with a second micro-control switch (WC 1-);
the vacuum circuit breaker handcart (1 DL) the fifteenth end and the sixteenth end with fifth circuit (L5) are connected, fifth circuit (L5) still are connected with the one end of relay coil (1 MC) of first auxiliary relay (1 KA), the other end of relay coil (1 MC) is connected the other end of three throw two blocking switch (6), the other end of manual combined floodgate switch (5) with the 2 nd foot of distant place/local transfer switch (1 KK), the 3 rd foot and the 1 st foot of divide-shut brake universal transfer switch (2 KK) are connected after being connected the 4 th foot of distant place/local transfer switch (1 KK), the other end of tenth combination formula auxiliary relay (KA 10), the 1 st foot of distant place/local transfer switch (1 KK), the 3 rd foot of distant place/local transfer switch (1 KK) and the other end of ninth combination formula auxiliary relay (9) are connected sixth circuit (L6).
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| CN202222888710.5U CN218767889U (en) | 2022-10-31 | 2022-10-31 | Intelligent power distribution key sequential control hardware system |
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