CN210957775U - Intelligent integrated outdoor pole high-voltage switch control protection circuit - Google Patents
Intelligent integrated outdoor pole high-voltage switch control protection circuit Download PDFInfo
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- CN210957775U CN210957775U CN201921851811.7U CN201921851811U CN210957775U CN 210957775 U CN210957775 U CN 210957775U CN 201921851811 U CN201921851811 U CN 201921851811U CN 210957775 U CN210957775 U CN 210957775U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
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Abstract
The utility model discloses a high-voltage switch control protection circuit on intelligent integrated outdoor post contains intelligent object, change over switch, the separating brake subassembly, combined floodgate subassembly, A phase current sensor, C phase current sensor, reserve protection circuit, reserve protection drive circuit, intelligent object position sensor, local signal sensor and distant place signal antenna, intelligent object contains body protection circuit, separating brake processing circuit, combined floodgate processing circuit, separating brake drive circuit, combined floodgate drive circuit, local state sensor and distant place state sensor. The utility model provides a local, remote control's switching problem and intelligent object change process's protection problem to have characteristics succinct, reliable and with low costs.
Description
Technical Field
The utility model relates to a high-voltage switch control protection circuit, especially a high-voltage switch control protection circuit on intelligent integrated type outdoor post.
Background
The utility model discloses a patent "CN 109637875A action bars maintenance type disjunctor formula intelligent high voltage switch", "CN 109741986A operation maintenance type integral type intelligent high voltage switch", "CN 109920692A an intelligence integration is box-like vacuum circuit breaker on post altogether" and "CN 109637876A based on action bars maintenance type intelligent high voltage switch operating mechanism" and "CN 109936219A a circuit breaker intelligent control circuit" the intelligent integrated technical scheme that integrates of high voltage switch on outdoor formula post of excellent performance has been introduced, mechanical structure and electric connection's between outdoor formula post high voltage switch's primary part and the secondary part fuse, secondary modularization and its use action bars carry out online (not cut off the power supply) maintenance and change to and the realization of the comprehensive automatic functions such as secondary part's control, protection, measurement, signal, telemechanical.
Outdoor high voltage switch on post is installed on outdoor high voltage pole, generally 8 ~ 10 meters off the ground, and installation, debugging, operation maintenance have very big difficulty. The above-mentioned five published utility model patents have provided outdoor formula high tension switchgear's on post intelligence and have integrated the scheme, make outdoor formula on post high tension switchgear performance obtain improving, have characteristics easy to assemble, debugging and operation maintenance simultaneously, nevertheless exist following three not enough of aspect.
(1) The high-voltage switch (including outdoor high-voltage switch) must be provided with a protection circuit in practical use, and the protection circuit is a guarantee for the safe operation of the high-voltage switch and the expansion of the accident prevention range, so that the protection circuit is indispensable and the reliability of the protection circuit is very important. Protection circuit belongs to the secondary part, and it is put into intelligent object to above-mentioned patent, and intelligent object can use action bars "online" (not cut off power supply) change, can lose protection circuit at the in-process of "online" change, has electrical safety hidden danger and risk.
(2) The switching-off and switching-on control of the outdoor column high-voltage switch adopts a remote communication control mode, a local key or a communication control mode, the remote communication control mode, the local key or the communication control mode are required to be staggered in time, otherwise serious accidents can be caused, in addition, a protection circuit needs to be withdrawn under some conditions, and the remote/local switching of control of lever operation and the input/withdrawal switching of protection are not adopted in the patent.
(3) Outdoor high-voltage switch on post installs on outdoor pole, 8 ~ 10 meters liftoff, in above-mentioned patent, the bolt is adopted in the connection of intelligent object and body, will use very long special action bars and rotatory action bars when taking off intelligent object or dress, and this kind of mode is very wasted time and energy, is unfavorable for the operation to maintain quick processing, therefore reduces the circular telegram rate of power supply and influences social and economic benefits.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve and the technical problem provide a high voltage switch control protection circuit on intelligent integrated outdoor post, solve local, remote control's switching problem and intelligent object change process's protection problem.
For solving the technical scheme, the utility model discloses the technical scheme who adopts is:
the utility model provides an integrated outdoor post of intelligence goes up high voltage switch control protection circuit which characterized in that: the intelligent control system comprises an intelligent module, a selector switch, an opening component, a closing component, an A-phase current sensor, a C-phase current sensor, a backup protection circuit, a backup protection driving circuit, an intelligent module position sensor, a local signal sensor and a remote signal antenna, wherein the intelligent module comprises a body protection circuit, an opening processing circuit, a closing processing circuit, an opening driving circuit, a closing driving circuit, a local state sensor and a remote state sensor, the output end of the A-phase current sensor is connected with one input end of the backup protection circuit and one input end of the body protection circuit, the output end of the C-phase current sensor is connected with the other input end of the backup protection circuit and the other input end of the body protection circuit, the output end of the backup protection circuit is connected with the input end of the backup protection driving circuit, the output end of the backup protection driving circuit is connected with one end, the other end of the intelligent module position sensor is connected with 10 pins of a selector switch, the 10 pins of the selector switch are connected with 1 pin, the control end of the intelligent module position sensor is connected with the intelligent module, the output end of the body protection circuit is connected with one input end of a separating brake driving circuit, the output end of a separating brake processing circuit is connected with the other input end of the separating brake driving circuit, the output end of a closing processing circuit is connected with the input end of a closing driving circuit, the output end of the separating brake driving circuit is connected with 1 pin of the selector switch, the output end of the closing driving circuit is connected with 3 pins of the selector switch, the input ends of the local state sensor and the remote state sensor are respectively connected with 5 pins and 7 pins of the selector switch, the 8 pin is connected with a power supply V2-, the 2 pin of the change-over switch is connected with one end of the opening component, the 4 pin of the change-over switch is connected with one end of the closing component, and the other end of the opening component and the other end of the closing component are connected with a power supply V3 +.
Furthermore, the A-phase current sensor comprises an A-phase current transformer and an A-phase I/V conversion resistor, and two ends of the A-phase current transformer are respectively connected with the A-phase I/V conversion resistor; the C-phase current sensor comprises a C-phase current transformer and a C-phase I/V conversion resistor, and two ends of the C-phase current transformer are respectively connected with the C-phase I/V conversion resistor.
Furthermore, the backup protection circuit comprises an A-phase rectification circuit, an A-phase or gate diode and a C-phase rectification circuit, the high-voltage-regulating-resistance direct-current converter comprises a C-phase or gate diode, an upper voltage-regulating resistor and a lower voltage-regulating resistor, wherein two input ends of an A-phase rectification circuit are respectively connected with two ends of the A-phase I/V conversion resistor, two input ends of the C-phase rectification circuit are respectively connected with two ends of the C-phase I/V conversion resistor, one output end of the A-phase rectification circuit is connected with an anode of the A-phase or gate diode, one output end of the C-phase or gate diode is connected with an anode of the C-phase or gate diode, a cathode of the A-phase or gate diode and a cathode of the C-phase or gate diode are connected with one end of the upper voltage-regulating resistor, the other end of the upper voltage-regulating resistor is.
Furthermore, the switching switch is provided with a switching mechanism, a switching pull handle and a state indicator, the switching mechanism is mechanically connected with the switching switch, one end of the switching pull handle is arranged on the switching mechanism, and the state indicator is arranged on the switching mechanism and is linked with the switching pull handle.
Furthermore, the local signal sensor is connected with a local signal input port of the intelligent module, and the remote signal antenna is connected with a remote signal input port of the intelligent module.
Further, still contain motor control module, direct current low-speed motor, intelligent module excess sensor, intelligent module installation sensor, intelligent module moves back the sensor, power V2+ is connected to motor control module's 13 feet, power V2 is connected to motor control module's 14 feet, motor control module's 17, 18 feet are connected with intelligent module, the one end of direct current low-speed motor is connected to motor control module's 20 feet, intelligent module excess sensor's one end is connected to motor control module's 19 feet, the other end of direct current low-speed motor is connected to the intelligent module excess sensor other end, intelligent module excess sensor's control end is connected with intelligent module, intelligent module installation sensor and intelligent module move back the sensor and connect intelligent module's sensor interface respectively.
Furthermore, the opening driving circuit is composed of an opening driving optical isolator and an opening driving IGBT tube, and the closing driving circuit is composed of a closing driving optical isolator and a closing driving IGBT tube.
Furthermore, the local state sensor comprises a local divider resistor, a local state optical isolator and a local current-limiting resistor, one end of the local divider resistor is connected with V1+, the other end of the local divider resistor is connected with one output end of the intelligent module and the local state optical isolator, the other end of the local state optical isolator is connected with a power supply V1+, one input end of the local state optical isolator is connected with 5 pins of the selector switch, the other input end of the local state optical isolator is connected with one end of the local current-limiting resistor, and the other end of the local current-limiting resistor is connected with a power supply V2 +; the distant place state sensor contains distant place divider resistor, distant place state optical isolator and distant place current-limiting resistor, V1 is connected to distant place divider resistor one end, an output of intelligent module and distant place state optical isolator is connected to the distant place divider resistor other end, power V1+ is connected to distant place state optical isolator's other end output, 7 feet of change over switch are connected to an input of distant place state optical isolator, the one end of distant place current-limiting resistor is connected to another input of distant place state optical isolator, power V2+ is connected to the distant place current-limiting resistor other end.
Compared with the prior art, the utility model, have following advantage and technological effect:
1. the utility model discloses can be at the in-process that intelligent object changed, thereby reserve the automatic input of protection circuit guarantees that the protection circuit is whole to protect entire system, improves the security of electric wire netting operation.
2. The remote/local switching of control and the switching of protection on/off can be realized by manual operation through the handle.
3. The intelligent module can be loaded and unloaded automatically through the motor, compares in manual rotation mode labour saving and time saving before.
Drawings
Fig. 1 is a schematic diagram of the high-voltage switch control protection circuit on an intelligent integrated outdoor column of the present invention.
Fig. 2 is a schematic diagram of the backup protection circuit structure of the present invention.
Fig. 3 is a schematic diagram of a circuit structure of an intelligent module according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are illustrative of the present invention and are not intended to limit the present invention.
As shown in fig. 1, the present invention relates to an intelligent integrated outdoor column high voltage switch control protection circuit, which comprises an intelligent module 12, a switch 11, a switching-off component 2, a switching-on component 3, a phase current sensor 5, a phase current sensor 6, a backup protection circuit 15, a backup protection driving circuit 16, an intelligent module position sensor 17, a local signal sensor 8 and a remote signal antenna 7, wherein the intelligent module 12 comprises a body protection circuit 14, a switching-off processing circuit 20, a switching-on processing circuit 21, a switching-off driving circuit 18, a switching-on driving circuit 19, a local state sensor 22 and a remote state sensor 23, an output end of the phase current sensor 5 is connected to an input end of the backup protection circuit 15 and an input end of the body protection circuit 14, an output end of the phase current sensor 6 is connected to another input end of the backup protection circuit 15 and another input end of the body protection circuit 14, the output end of a backup protection circuit 15 is connected with the input end of a backup protection driving circuit 16, the output end of the backup protection driving circuit 16 is connected with one end of an intelligent module position sensor 17, the other end of the intelligent module position sensor 17 is connected with 10 pins of a selector switch 11, the 10 pins of the selector switch are connected with 1 pin, the control end of the intelligent module position sensor 17 is connected with an intelligent module 12, the output end of a body protection circuit 14 is connected with one input end of a separating brake driving circuit 18, the output end of a separating brake processing circuit 20 is connected with the other input end of the separating brake driving circuit 18, the output end of a closing processing circuit 21 is connected with the input end of a closing driving circuit 19, the output end of the separating brake driving circuit 18 is connected with 1 pin of the selector switch 11, the output end of the closing driving circuit 19 is connected with 3 pins of the selector switch 11, and the input ends of a local state sensor, The 7 feet, 6 and 8 feet of the change-over switch 11 are connected with a power supply V2-, 2 feet of the change-over switch 11 are connected with one end of the opening component 2, 4 feet of the change-over switch 11 are connected with one end of the closing component 3, and the other end of the opening component 2 and the other end of the closing component 3 are connected with a power supply V3 +.
The A-phase current sensor 5 comprises an A-phase current transformer 50 and an A-phase I/V conversion resistor 52, wherein two ends of the A-phase current transformer 50 are respectively connected with the A-phase I/V conversion resistor 52; the C-phase current sensor 6 includes a C-phase current transformer 51 and a C-phase I/V conversion resistor 53, and both ends of the C-phase current transformer 51 are connected to the C-phase I/V conversion resistor 53, respectively.
The backup protection circuit 15 comprises an A-phase rectifying circuit 54, an A-phase OR gate diode 56, a C-phase rectifying circuit 55, a C-phase OR gate diode 57, an up-regulation resistor 58 and a down-regulation resistor 59, two input ends of the A-phase rectifying circuit 54 are respectively connected with two ends of the A-phase I/V conversion resistor 52, two input ends of the C-phase rectifying circuit 55 are respectively connected with two ends of the C-phase I/V conversion resistor 53, one output end of the A-phase rectifying circuit 54 is connected with an anode of the A-phase OR gate diode 56, one output end of the C-phase rectifying circuit 55 is connected with an anode of the C-phase OR gate diode 57, a cathode of the A-phase OR gate diode 56 and a cathode of the C-phase OR gate diode 57 are connected with one end of the upper voltage regulating resistor 58, the other end of the upper voltage regulating resistor 58 is connected with one end of the lower voltage regulating resistor 59, and the other end of the lower voltage regulating resistor 59 is connected with the other output.
The change-over switch 11 is provided with a change-over mechanism 4, a change-over pull handle 10 and a state indicator 9, the change-over mechanism 4 is mechanically connected with the change-over switch 11, one end of the change-over pull handle 10 is arranged on the change-over mechanism 4, and the state indicator 9 is arranged on the change-over mechanism 4 and is linked with the change-over pull handle 10.
The local signal sensor 8 is connected with the local signal input port of the intelligent module 12, and the remote signal antenna 7 is connected with the remote signal input port of the intelligent module 12.
The intelligent integrated outdoor pole high-voltage switch protection circuit also comprises a motor control module 25, a direct current low-speed motor 26, an intelligent module over-position sensor 47, an intelligent module installation sensor 27 and an intelligent module pull-down sensor 28, power V2 is connected to motor control module 25's 13 feet, power V2 is connected to motor control module 25's 14 feet, motor control module 25 's 17, 18 feet are connected with intelligent module 12, motor control module 25's 20 feet are connected the one end of direct current low-speed motor 26, intelligent module excess sensor 47's one end is connected to motor control module 25's 19 feet, intelligent module excess sensor 47's the other end is connected to the intelligent module excess sensor 47 other end, intelligent module excess sensor 47's control end is connected with intelligent module 12, intelligent module installation sensor 27 and intelligent module retreat sensor 28 connect the sensor interface of intelligent module 12 respectively. Wherein, 13 feet of the electrode control module 25 are positive voltage ends of the motor control module, 14 feet are negative voltage ends of the motor control module, 17 feet are controlled positive rotation ends of the motor control module, 18 feet are controlled negative rotation ends of the motor control module, 19 feet are positive output ends of the motor control module, and 20 feet are negative output ends of the motor control module.
The opening drive circuit 18 is composed of an opening drive optoisolator 31 and an opening drive IGBT tube 32, and the closing drive circuit 19 is composed of a closing drive optoisolator 33 and a closing drive IGBT tube 34.
The local state sensor 22 comprises a local divider resistor 36, a local state optical isolator 45 and a local current-limiting resistor 35, one end of the local divider resistor 36 is connected with V1+, the other end of the local divider resistor 36 is connected with the intelligent module 12 and one output end of the local state optical isolator 45, the other output end of the local state optical isolator 45 is connected with a power supply V1+, one input end of the local state optical isolator 45 is connected with the 5 pin of the switch 11, the other input end of the local state optical isolator 45 is connected with one end of the local current-limiting resistor 35, and the other end of the local current-limiting resistor 35 is connected with a power supply V2 +; the remote state sensor 23 comprises a remote divider resistor 38, a remote state optical isolator 46 and a remote current-limiting resistor 37, one end of the remote divider resistor 38 is connected with a V1-, the other end of the remote divider resistor 38 is connected with an output end of the intelligent module 12 and the remote state optical isolator 46, the other end of the remote state optical isolator 46 is connected with a power supply V1+, one input end of the remote state optical isolator 46 is connected with the 7 pins of the switch 11, the other input end of the remote state optical isolator 46 is connected with one end of the remote current-limiting resistor 37, and the other end of the remote current-limiting resistor 37 is connected with a power supply V2.
As shown in fig. 3, in this embodiment, the intelligent module 12 includes a microprocessor 64, the local signal sensor 8 is connected to one end of the local signal module 63, the other end of the local signal module 63 is connected to the microprocessor input interface 24 of the intelligent module, the remote signal antenna 7 is connected to one end of the wireless module 62, and the other end of the wireless module 62 is connected to the microprocessor input interface 24 of the intelligent module. Pin 17 of the motor control module 25 is connected to the microprocessor output interface 32 of the intelligent module 12 through a controlled forward-rotation optoelectronic isolator 65, and pin 18 of the motor control module 25 is connected to the microprocessor output interface 33 of the intelligent module 12 through a controlled reverse-rotation optoelectronic isolator 66. The intelligent module mounting sensor 27 is connected with the microprocessor input interface 34 of the intelligent module through an intelligent module mounting photoelectric isolator 67; the smart module drop sensor 28 is connected to the smart module microprocessor input interface 35 via the smart module drop opto-isolator 68. The A-phase current sensor 5 is connected with the microprocessor A/D interface 21 through a linear isolator 60; the C-phase current sensor 6 is connected to the microprocessor a/D interface 22 through a linear isolator 61. Two input ends of the opening driving circuit 18 are respectively connected with a microprocessor output interface 23 and a microprocessor output interface 25; the input end of the switching-on drive circuit 19 is connected with the output interface 27 of the microprocessor; local status sensor 22 and remote status sensor 23 are connected to microprocessor input interfaces 28, 29, respectively.
The utility model discloses a high voltage switch control protection circuit's theory of operation on intelligent integrated outdoor post does:
and (3) protecting the body: the phase a current IA of the switch is sampled by the phase a current transformer 50, converted to a voltage signal by the phase a I/V converting resistor 52, electrically isolated by the linear isolator 60 and then sent to the microprocessor a/D interface 21 to be converted to a digital signal. The C-phase current IC of the switch is sampled by the C-phase current transformer 51, converted into a voltage signal by the C-phase I/V converting resistor 53, electrically isolated by the linear isolator 61, and then sent to the microprocessor A/D interface 22 to be converted into a digital signal. The microprocessor 64 analyzes and judges the numerical values of the A-phase current IA and the C-phase current IC of the switch, if the numerical values exceed a set protection fixed value, a control signal is sent to the opening driving circuit 18 through the microprocessor output interface 23, the control signal is sent to the input end of the opening driving IGBT tube 32 after being electrically isolated by the opening driving photoelectric isolator 31, the opening driving IGBT tube outputs the control signal to the opening assembly 2 after passing through pins 1 and 2 of the selector switch 11, and the opening coil 41 is electrified through the switch normally closed contact 42, so that the switch is opened, and the current exceeding the protection fixed value is cut off to realize protection.
Backup protection implementation: when the smart module 12 is removed for some reason, the travel switch in the smart module position sensor 17, which is mechanically connected to the smart module 12, is turned on. The A-phase current IA of the switch is sampled by an A-phase current transformer 50, is converted into an alternating-current voltage signal through an A-phase I/V conversion resistor 52, is sent to a backup protection circuit 15, is converted into a direct-current voltage signal through an A-phase rectifier 54, is subjected to voltage division through an A-phase OR gate diode 56, an upper voltage dividing resistor 58 and a lower voltage dividing resistor 59, and is sent to the control end of a backup protection IGBT tube 30 in a backup protection driving circuit 16; the switch C-phase current IC is sampled by a C-phase current transformer 51, is changed into an alternating current voltage signal through a C-phase I/V conversion resistor 53, is sent to a backup protection circuit 15, is changed into a direct current voltage signal through a C-phase rectifier 55, is sent to a control end of a backup protection IGBT tube 30 in a backup protection driving circuit 16 after being divided by an upper voltage dividing resistor 58 and a lower voltage dividing resistor 59 through a C-phase OR gate diode 57; if the A-phase current IA or the C-phase current IC of the switch exceeds the backup protection fixed value, the backup protection IGBT tube 30 is triggered and conducted, the intelligent module position sensor 17, the pins 9 and 10, the pins 1 and 2 of the change-over switch 11 and the opening component 2 are connected, the opening coil is electrified through the switch normally closed contact 42, and therefore the switch is opened to cut off the current exceeding the backup protection fixed value, and backup protection is achieved.
Local switching-off and switching-on control is implemented: when the change-over switch 11 is switched to 90 degrees, the local control state is achieved, the pins 5 and 6 of the change-over switch are switched on, so that the light emitting diode in the photoelectric isolator 45 in the local state sensor 22 is conducted with the local current limiting resistor 35, the phototriode in the photoelectric isolator 45 is conducted, the output is sent to the microprocessor input interface 28 through the local voltage dividing resistor 36, and the microprocessor 64 senses that the local control state is achieved. When local brake-separating control is carried out, the local signal sensor 8 senses the local signal and sends the sensed local signal to the microprocessor input interface 26 through the local signal module 63, the microprocessor 64 senses the local signal and outputs a brake-separating signal through the microprocessor output interface 25 to the brake-separating driving circuit 18, the pins 1 and 2 of the switch 11 and the brake-separating component 2, so that the switch is switched off. When local closing control is performed, the local signal sensor 8 senses the local signal and sends the sensed local signal to the microprocessor input interface 26 through the local signal module 63, the microprocessor 64 senses the local signal and outputs a closing signal through the microprocessor output interface 27 to the closing driving circuit 19, the pins 3 and 4 of the change-over switch 11 and the closing assembly 3, and the switch is closed.
Remote opening and closing control is implemented: when the change-over switch 11 is switched to 270 degrees, the remote control state is achieved, the pins 7 and 8 of the change-over switch are switched on, so that the light emitting diode in the photoelectric isolator 46 in the remote state sensor 23 is conducted with the local current limiting resistor 37, the phototriode in the photoelectric isolator 46 is conducted, the output is sent to the microprocessor input interface 29 through the remote voltage dividing resistor 38, and the microprocessor 64 senses that the remote control state is achieved. When the remote brake-separating control is carried out, the remote signal sensor 7 senses the signal and transmits the signal to the microprocessor input interface 24 through the wireless module 62, the microprocessor 64 senses the signal and outputs a brake-separating signal through the microprocessor output interface 25 to the brake-separating driving circuit 18, the pins 1 and 2 of the switch 11 and the brake-separating component 2, so that the switch is separated. When remote closing control is carried out, a remote signal is sensed wirelessly 7 and is transmitted to the microprocessor input interface 24 through the wireless module 62, the microprocessor 64 senses and outputs a closing signal through the microprocessor output interface 27 to the closing driving circuit 19, the pins 3 and 4 of the change-over switch 11 and the closing assembly 3, and the switch is closed.
Implementation of protection drop-in/drop-out: when the change-over switch 11 is switched to 90 degrees or 270 degrees, the pins 5 and 6, the pins 7 and 8, the pins 9 and 10 of the change-over switch 11 are all switched on, the microprocessor 64 senses that the local state or the remote state is achieved, the body protection is put into use, and the backup protection is also put into use; when the change-over switch 11 is switched to 0 ° or 270 °, the pins 5 and 6 and 7 and 8 and the pins 9 and 10 of the change-over switch 11 are all turned off, and after the microprocessor 64 senses that the local state and the remote state are not existed, the local protection is quitted, and the backup protection is quitted because the pins 9 and 10 of the change-over switch 11 are turned off.
The intelligent module is mounted or retreated to save labor and time: in the secondary organism 1 is adorned with intelligent module 12 to needs, intelligent module 12 touches intelligent module installation sensor 27, intelligent module installation sensor 27 sends information to microprocessor input interface 34 through intelligent module installation photoelectric isolator 67, microprocessor 64 perception is and through microprocessor output interface 32, controlled positive rotation photoelectric isolator 65 to the controlled positive rotation end 17 of motor control module 25, motor control module 25 passes through intelligent module excess position sensor 47 control direct current low speed motor 26 and rotates to installation intelligent module 12 direction, no longer artifical the rotation, it is laborsaving timesaving, when intelligent module is installed the excess position, intelligent module excess position sensor 47 disconnection, cut off the motor power, the protection motor. When the intelligent module 12 needs to be taken down from the secondary machine body 1, the operating rod touches the intelligent module withdrawing sensor 28, the intelligent module withdrawing sensor 28 sends information to the microprocessor input interface 35 through the intelligent module withdrawing photoelectric isolator 68, the microprocessor 64 senses the information and sends the information to the controlled reversing end 18 of the motor control module 25 through the microprocessor output interface 33 and the controlled reversing photoelectric isolator 66, and the motor control module 25 controls the direct-current low-speed motor 26 to rotate towards the direction of withdrawing the intelligent module 12 through the intelligent module over-position sensor 47, so that manual rotation is avoided, and labor and time are saved.
The above description in this specification is merely illustrative of the present invention. Those skilled in the art can make various modifications or additions to the described embodiments or substitute them in a similar manner without departing from the scope of the present invention as defined in the following claims.
Claims (8)
1. The utility model provides an integrated outdoor post of intelligence goes up high voltage switch control protection circuit which characterized in that: the intelligent control system comprises an intelligent module, a selector switch, an opening component, a closing component, an A-phase current sensor, a C-phase current sensor, a backup protection circuit, a backup protection driving circuit, an intelligent module position sensor, a local signal sensor and a remote signal antenna, wherein the intelligent module comprises a body protection circuit, an opening processing circuit, a closing processing circuit, an opening driving circuit, a closing driving circuit, a local state sensor and a remote state sensor, the output end of the A-phase current sensor is connected with one input end of the backup protection circuit and one input end of the body protection circuit, the output end of the C-phase current sensor is connected with the other input end of the backup protection circuit and the other input end of the body protection circuit, the output end of the backup protection circuit is connected with the input end of the backup protection driving circuit, the output end of the backup protection driving circuit is connected with one end, the other end of the intelligent module position sensor is connected with 10 pins of a selector switch, the 10 pins of the selector switch are connected with 1 pin, the control end of the intelligent module position sensor is connected with the intelligent module, the output end of the body protection circuit is connected with one input end of a separating brake driving circuit, the output end of a separating brake processing circuit is connected with the other input end of the separating brake driving circuit, the output end of a closing processing circuit is connected with the input end of a closing driving circuit, the output end of the separating brake driving circuit is connected with 1 pin of the selector switch, the output end of the closing driving circuit is connected with 3 pins of the selector switch, the input ends of the local state sensor and the remote state sensor are respectively connected with 5 pins and 7 pins of the selector switch, the 8 pin is connected with a power supply V2-, the 2 pin of the change-over switch is connected with one end of the opening component, the 4 pin of the change-over switch is connected with one end of the closing component, and the other end of the opening component and the other end of the closing component are connected with a power supply V3 +.
2. The intelligent integrated outdoor column high-voltage switch control protection circuit according to claim 1, wherein: the A-phase current sensor comprises an A-phase current transformer and an A-phase I/V conversion resistor, and two ends of the A-phase current transformer are respectively connected with the A-phase I/V conversion resistor; the C-phase current sensor comprises a C-phase current transformer and a C-phase I/V conversion resistor, and two ends of the C-phase current transformer are respectively connected with the C-phase I/V conversion resistor.
3. The intelligent integrated outdoor column high-voltage switch control protection circuit according to claim 2, wherein: the backup protection circuit comprises an A-phase rectification circuit, an A-phase OR gate diode and a C-phase rectification circuit, the high-voltage-regulating-resistance direct-current converter comprises a C-phase or gate diode, an upper voltage-regulating resistor and a lower voltage-regulating resistor, wherein two input ends of an A-phase rectification circuit are respectively connected with two ends of the A-phase I/V conversion resistor, two input ends of the C-phase rectification circuit are respectively connected with two ends of the C-phase I/V conversion resistor, one output end of the A-phase rectification circuit is connected with an anode of the A-phase or gate diode, one output end of the C-phase or gate diode is connected with an anode of the C-phase or gate diode, a cathode of the A-phase or gate diode and a cathode of the C-phase or gate diode are connected with one end of the upper voltage-regulating resistor, the other end of the upper voltage-regulating resistor is.
4. The intelligent integrated outdoor column high-voltage switch control protection circuit according to claim 1, wherein: the switching switch is provided with a switching mechanism, a switching pull handle and a state indicator, the switching mechanism is mechanically connected with the switching switch, one end of the switching pull handle is arranged on the switching mechanism, and the state indicator is arranged on the switching mechanism and is linked with the switching pull handle.
5. The intelligent integrated outdoor column high-voltage switch control protection circuit according to claim 1, wherein: the local signal sensor is connected with a local signal input port of the intelligent module, and the remote signal antenna is connected with a remote signal input port of the intelligent module.
6. The intelligent integrated outdoor column high-voltage switch control protection circuit according to claim 1, wherein: still contain motor control module, direct current low-speed motor, intelligent module excess sensor, intelligent module installation sensor, intelligent module moves back the sensor, motor control module's 13 feet are connected power V2+, motor control module's 14 feet are connected power V2-, motor control module's 17, 18 feet are connected with intelligent module, motor control module's 20 feet are connected the one end of direct current low-speed motor, motor control module's 19 feet are connected the one end of intelligent module excess sensor, the other end of direct current low-speed motor is connected to the intelligent module excess sensor other end, intelligent module excess sensor's control end is connected with intelligent module, intelligent module installation sensor and intelligent module move back the sensor and connect intelligent module's sensor interface respectively.
7. The intelligent integrated outdoor column high-voltage switch control protection circuit according to claim 1, wherein: the opening driving circuit is composed of an opening driving optical isolator and an opening driving IGBT tube, and the closing driving circuit is composed of a closing driving optical isolator and a closing driving IGBT tube.
8. The intelligent integrated outdoor column high-voltage switch control protection circuit according to claim 1, wherein: the local state sensor comprises a local divider resistor, a local state optical isolator and a local current-limiting resistor, wherein one end of the local divider resistor is connected with V1-, the other end of the local divider resistor is connected with one output end of the intelligent module and the local state optical isolator, the other end of the local state optical isolator is connected with a power supply V1+, one input end of the local state optical isolator is connected with 5 pins of the selector switch, the other input end of the local state optical isolator is connected with one end of the local current-limiting resistor, and the other end of the local current-limiting resistor is connected with a power supply V2 +; the distant place state sensor contains distant place divider resistor, distant place state optical isolator and distant place current-limiting resistor, V1 is connected to distant place divider resistor one end, an output of intelligent module and distant place state optical isolator is connected to the distant place divider resistor other end, power V1+ is connected to distant place state optical isolator's other end output, 7 feet of change over switch are connected to an input of distant place state optical isolator, the one end of distant place current-limiting resistor is connected to another input of distant place state optical isolator, power V2+ is connected to the distant place current-limiting resistor other end.
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| CN201921851811.7U CN210957775U (en) | 2019-10-31 | 2019-10-31 | Intelligent integrated outdoor pole high-voltage switch control protection circuit |
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| CN201921851811.7U CN210957775U (en) | 2019-10-31 | 2019-10-31 | Intelligent integrated outdoor pole high-voltage switch control protection circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601150A (en) * | 2019-10-31 | 2019-12-20 | 江苏现代电力科技股份有限公司 | Intelligent integrated outdoor column high-voltage switch control protection circuit and method thereof |
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2019
- 2019-10-31 CN CN201921851811.7U patent/CN210957775U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601150A (en) * | 2019-10-31 | 2019-12-20 | 江苏现代电力科技股份有限公司 | Intelligent integrated outdoor column high-voltage switch control protection circuit and method thereof |
| CN110601150B (en) * | 2019-10-31 | 2024-04-12 | 江苏现代电力科技股份有限公司 | Intelligent integrated outdoor pole-mounted high-voltage switch control protection circuit and method thereof |
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