CN103795000A - Intelligent high voltage alternating-current metal enclosed switchgear and control device - Google Patents
Intelligent high voltage alternating-current metal enclosed switchgear and control device Download PDFInfo
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- CN103795000A CN103795000A CN201410015046.0A CN201410015046A CN103795000A CN 103795000 A CN103795000 A CN 103795000A CN 201410015046 A CN201410015046 A CN 201410015046A CN 103795000 A CN103795000 A CN 103795000A
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Abstract
The invention discloses an intelligent high voltage alternating-current metal enclosed switchgear and a control device. The intelligent high voltage alternating-current metal enclosed switchgear comprises a metal enclosed frame, and the inner portion of the frame is divided into an instrument compartment, a breaker compartment, an incoming line compartment and an outgoing line compartment through metal devices; a proximitor and a compartment measurement and control instrument are arranged in the instrument compartment; a breaker body is arranged in the breaker compartment, a body controller is installed in the breaker body in an embedded mode, and a chassis truck is arranged at the bottom of the breaker body; the body controller is connected with the proximitor through a serial communication channel, the proximitor is connected with the compartment measurement and control instrument through a serial communication channel, and the two ends of each serial communication channel are provided with electric isolation circuits; the breaker compartment and the outgoing line compartment are respectively provided with a heater, a fan and a temperature sensor which are connected with the compartment measurement and control instrument and used for regulating and controlling compartment environment; at least one compartment is provided with a door state sensor for realizing logic control over compartment doors and a door lock. The intelligent high voltage alternating-current metal enclosed switchgear and the control device are excellent in performance, concise, simple in set forming, reliable to run, convenient to maintain and high in performance cost ratio.
Description
Technical field
The present invention relates to a kind of intelligent high-pressure ac metal closing switch gear and control appliance using in high-voltage fence, be specially a kind of height intellectuality, integrated intelligent high-pressure ac metal closing switch gear and control appliance, belong to power technology field.
Background technology
Existing intelligent AC metal enclosed switchgear and control appliance are except functional apparatus is as circuit breaker, grounding switch, high voltage electrified monitoring device, electromagnetic lock, heater, fan etc., be equipped with intelligent parts as intelligent electronic device, electronic mutual inductor, merge cells, conditioning unit, transmitter, transducer, controller, electronic performance element, phase-controlled device etc., have the defects such as device category and quantity are many, wiring is numerous and diverse, complete and uniting and adjustment are difficult, the difficult control of performance, operation maintenance inconvenience.
Summary of the invention
Technical purpose of the present invention is for problems of the prior art, provide that a kind of intellectuality, parts reduce, wiring quantity is few, length is short, equipment is succinct, function admirable, reliable intelligent high-pressure ac metal closing switch gear and control appliance and corresponding control method.
For realizing above-mentioned technical purpose, technical scheme provided by the invention is:
A kind of intelligent high-pressure ac metal closing switch gear and control appliance, comprise metal enclosed framework 1, it is characterized in that:
Described framework 1 comprises instrument compartment 2, breaker compartment 3, inlet wire compartment 4 and the outlet compartment 5 and the corresponding compartment door that are separated into by metal device;
Described instrument compartment 2 comprises fore-lying device 7, compartment controller 10, the communication connection between described fore-lying device 7 and compartment controller 10;
In described breaker compartment 3, be provided with breaker body 6, breaker body 6 is embedded in installs this body controller 13, communication connection between described fore-lying device 7 and this body controller 13; Chassis vehicle 18 is arranged at breaker body 6 bottoms, and chassis vehicle 18 is placed on the guide rail of breaker compartment 3;
Described inlet wire compartment 4 comprises inlet wire copper bar 8, and described inlet wire copper bar 8 one end are connected with the inlet wire terminals of breaker body 6;
Described outlet compartment 5 comprises outlet copper bar 9; Described outlet copper bar 9 one end are connected with the outlet terminals of breaker body 6.
In above-mentioned compartment door, at least one compartment door is provided with door condition sensor and door lock, and described door condition sensor is connected with compartment controller 10 respectively with door lock.
Intelligent high-pressure ac metal closing switch gear of the present invention and control appliance are highly integrated, intelligentized complete set of equipments, and fore-lying device is arranged on the frame door of being convenient to man-machine interactive framework.Intelligent parts in described ac metal closing switch gear only has this body controller, fore-lying device and compartment controller, adopts each other wired or wireless communication port to connect, and realizes all intelligent functions with this; Compare with control appliance with existing intelligent AC metal enclosed switchgear, parts reduce more than 50%, wiring quantity and length reduce more than 50%, and simple for structure, wiring is simple and the metal enclosed Electro Magnetic Compatibility of each compartment is high, have improved the reliability of product.When application, this equipment is placed on to distribution workshop, only needs an inlet wire copper bar and outlet copper bar to be connected in middle high-pressure loop, simplify wiring, improve system reliability and man-machine interactive fail safe.
Further technical scheme comprises:
Door condition sensor in described compartment door shares two buses with door lock and is connected with compartment controller 10.Door condition sensor in compartment door shares two lines with door lock and is connected with compartment controller 10, and wiring quantity can reduce 50%, has also reduced wiring interference simultaneously, has improved stability and the reliability of equipment, and has reduced equipment cost.
23 2 control line parallel connections of 22 2 output lines of door condition sensor and door lock of described breaker compartment 3 share afterwards two buses and are connected with compartment controller 10; 27 2 control line parallel connections of 26 2 output lines of door condition sensor and door lock of described instrument compartment 2 share afterwards two buses and are connected with compartment controller 10; 30 2 control line parallel connections of 29 2 output lines of door condition sensor and door lock of described inlet wire compartment 4 share afterwards two buses and are connected with compartment controller 10; 36 2 control line parallel connections of 35 2 output lines of door condition sensor and door lock of described outlet compartment 5 share afterwards two buses and are connected with compartment controller 10.Described wiring is metal-shielded wire, has subtracted the impact of electromagnetic interference between cavity space and device, can make equipment more stably work.Door status signal reaches fore-lying device through compartment controller, and the unblanking of breaker compartment door sent instructions and reached door lock through compartment controller by fore-lying device with locking, and realizes the logic control of breaker compartment door, guarantees equipment and personal safety.
Described metal device comprises metallic plate or metal otter board with holes, described inlet wire compartment 4 is positioned at the top, rear of intelligent high-pressure ac metal closing switch gear and control appliance, and outlet compartment 5 is positioned at the rear lower portion of intelligent high-pressure ac metal closing switch gear and control appliance; Breaker compartment 3 is positioned at the middle part, front of intelligent high-pressure ac metal closing switch gear and control appliance, and instrument compartment 2 is positioned at the top, front of intelligent high-pressure ac metal closing switch gear and control appliance.
Between described fore-lying device 7 and compartment controller 10, adopt serial communication passage 43 to be connected, serial communication passage 43 is respectively equipped with electrical isolation circuit in the junction of fore-lying device 7 and compartment controller 10.Between described fore-lying device 7 and this body controller 13, adopt serial communication passage 42 to be connected, serial communication passage 42 is respectively equipped with electrical isolation circuit in fore-lying device 7 and the junction of this body controller 13.Between fore-lying device and compartment controller, electrical isolation circuit is set, electrical isolation circuit is set between fore-lying device and this body controller, realize each circuit by the electrical isolation circuit arranging and isolate mutually on electric, Electro Magnetic Compatibility is high, has further improved the reliability of product.
Have at least in a compartment humiture transducer, heater, fan are set; Described humiture transducer, heater, fan are connected with compartment controller 10 respectively.The first humiture transducer 54, the first compartment heater 55, the first fan 21 are also set in described breaker compartment 3 further; Described inlet wire compartment 4 is provided with the 3rd humiture transducer 31; Described outlet compartment 5 is provided with the second humiture transducer 32, secondary heater 33, the second fan 34; Described the first humiture transducer 54, the first compartment heater 55, the first fan 21, the second humiture transducers 32, secondary heater 33, the second fan 34, the three humiture transducers 31 are connected with compartment controller 10 respectively.On fore-lying device, show the humiture value of breaker compartment, inlet wire compartment and outlet compartment, fore-lying device sends the signal of telecommunication of controlling humiture interval to compartment controller, according to humiture situation, control is arranged on breaker compartment and the heater of outlet compartment and the work of fan to compartment controller, humiture in breaker compartment and outlet compartment is controlled in the scope of fore-lying device setting automatically, makes key equipment intelligent breaker body reliability service in suitable environment.
In described outlet compartment 5, also comprise ground wire copper bar 12, grounding switch 11, lightning arrester 19, described grounding switch 11 is connected with outlet copper bar 9 and ground wire copper bar 12 respectively, and lightning arrester 19 is connected with outlet copper bar 9 and ground wire copper bar 12 respectively.
Secondary and this body controller 13 of described current transformer 15 is connected, and described current transformer 15 is connected by wire and test binding post or connector 17 with the tie point of this body controller 13; Described test binding post or connector 17 are arranged on the front panel of this body controller or on breaker body.Described test binding post or connector 17, for the outside input test signal of telecommunication, are conveniently realized the current protection of breaker body, the experimental test of measurement.
Described inlet wire copper bar 8 and outlet copper bar 9 are respectively equipped with inlet wire and the outlet joint junction of described breaker body 6 the first temperature transmitter 14 and the second temperature transmitter 16 of measuring this end temperature, and described the first temperature transmitter 14 adopts communication to be connected with described fore-lying device 7 with the second temperature transmitter 16.The first temperature transmitter and the second temperature transmitter use communication that this end temperature data of measuring is directly sent to fore-lying device, in liquid crystal screen display or the alarm of fore-lying device, save the relay between temperature transmitter and fore-lying device, be simplified to complete equipment.
The Temperature Humidity Sensor 31 that described inlet wire compartment 4 is provided with the charged wireless transmitter 28 of the inlet wire being connected with inlet wire copper bar 8 and is connected with compartment controller 10, between the charged wireless transmitter 28 of institute's inlet wire and fore-lying device 7, radio communication is connected, and described radio communication is RF radio communication.The charged information of inlet wire copper bar is sent to fore-lying device by inlet wire band electric transmitter, in the demonstration screen display of fore-lying device; Inlet wire compartment temperature-humidity signal reaches fore-lying device by serial communication mode after compartment controller, shows screen display at fore-lying device.
Divide-shut brake control contact and opening and closing state contact are set on the grounding switch 11 in described outlet compartment 5, and described divide-shut brake control contact is connected with compartment test control device 10 respectively with opening and closing state contact.Fore-lying device and the communication connection of compartment controller, fore-lying device sends the control signal of telecommunication to compartment controller, through separating brake, the combined floodgate of compartment controller control disconnecting link; Compartment controller gathers separating brake, the "on" position of disconnecting link, and gathered disconnecting link separating brake, "on" position information are sent to fore-lying device, and at the demonstration screen display disconnecting link state of fore-lying device; And then realize the logic control to disconnecting link, avoid misoperation generation accident.
Described outlet compartment 5 is provided with the charged wireless transmitter 20 of outlet, and the charged wireless transmitter 20 of described outlet is connected with outlet copper bar 9 and ground wire copper bar 12 respectively; The charged wireless transmitter 20 of described outlet adopts communication to be connected with fore-lying device 7; The charged state of outlet copper bar is sent to fore-lying device, in the demonstration screen display of fore-lying device.
Described fore-lying device 7 comprises front panel and back shroud, in fore-lying device 7, is provided with microcontroller circuit; Described front panel is provided with the color touch formula liquid crystal display screen 44 being connected with microcontroller circuit respectively, middle pressure zone electricity indicator light 45, function is selected pressing plate 46, breaking-closing operating button 47, opening and closing state indicator light 48, distant place breaking-closing operating diverter switch 49, is inlaid in the Temperature Humidity Sensor 24 on front panel, setting-in Temperature Humidity Sensor 25 on described back shroud, described Temperature Humidity Sensor 25 is connected with microcontroller circuit.On the front panel of fore-lying device, human-computer dialogue instrument, the element of integrated intelligent high-pressure ac metal closing switch gear and control appliance, not only easy to use, and simplify install, wiring, improve reliability, be conducive to operation maintenance; The first Temperature Humidity Sensor is used for monitoring cabinet external environment humiture, the second Temperature Humidity Sensor is for the humiture in measuring instrument compartment, thereby intelligent switchboard is without configuring the outer humidity temperature monitor of cabinet and instrument compartment humidity temperature monitor again, has simplified switch cubicle complete set of equipments.
The front panel of described fore-lying device 7 is provided with human body sensor 50, and described human body sensor 50 is connected with microcontroller circuit; When human body sensor 50 senses human body proximity, the microcontroller circuit control liquid crystal display screen 44 of fore-lying device shows, microcontroller circuit control control liquid crystal display screen 44 delay-actions of fore-lying device after human body leaves.Significantly improve liquid crystal display screen service time, improved the useful life of fore-lying device.
Described fore-lying device 7 is inlaid in the instrument compartment door 52 of instrument compartment 2, and breaker compartment door 53 is provided with observation window 51.For the running status of observing breaker body.
A kind of control circuit for described intelligent high-pressure ac metal closing switch gear and control appliance, comprise this body controller 13, described body controller 13 is connected with the switching tube moving contact stroke sensor 38 of the current transformer 15 of outside distribution voltage instrument transformer 37, breaker body 6, closing coil 39, chassis vehicle 18, grounding switch 11, breaker body 6 respectively; The separating brake of the propelling of described chassis vehicle 18 and the first state contact 41 exiting and disconnecting link 11 and the second state contact 40 of combined floodgate are serially connected in the closing circuit of controlling closing coil 39 successively; Described state contact is limit switch contact or relay tip.This body controller gathers distribution voltage, load current and phase information thereof; this body controller carries out calculation process to gathered information and obtains power, the power factor of intelligent high-pressure ac metal closing switch gear and control appliance and show on fore-lying device, and the magnitude of voltage recording and voltage protection set point are relatively realized to voltage-type protection, the current value recording and current protection set point are relatively realized to current mode protection.This body controller is according to the stroke of stroke sensor moving contact of monitoring breaker switch in divide-shut brake process, speed and spring, and then mechanism's operating mode of diagnosis breaker body.In the closing circuit of closing coil, be connected in series successively chassis vehicle and advance and exit the first state contact and disconnecting link separating brake and the second state contact that closes a floodgate.Circuit of the present invention not only wiring is succinct, and is not subject to smart circuit control, guarantees under any circumstance to avoid the false switching of intelligent breaker body, causes serious equipment, personal safety accident, makes on/off switch fool proof reliable.
Beneficial effect of the present invention:
The present invention can ensure the complete simple and easy, reliable of switchgear; By compartment controller is set, realize the control to each compartment and compartment environment simultaneously, make equipment be operated in optimum state; By the shielding action of compartment, reduce the electromagnetic interference between space and each device; Connect by isolated communication, reduced the impact of space electromagnetism on communication; By the control of compartment environment is set, greatly improve the reliability service of switchgear; By the setting of compartment door state and door lock, guarantee equipment and personal safety; The design of the control circuit of switchgear, prevents false switching operation, guarantees switchgear reliability service; Employing radio communication connects, and has reduced wiring and has improved equipment dependability; Appliance component is integrated in a switch cubicle, makes that succinct, the intelligent parts of equipment are few, wiring quantity and length reduces, and further improves switchgear reliability service.
Accompanying drawing explanation
The structural representation of Fig. 1 intelligent high-pressure ac metal closing switch gear of the present invention and control appliance.
The front view of Fig. 2 Fig. 1.
The schematic diagram of Fig. 3 control circuit of the present invention.
Embodiment
In order to illustrate technical scheme of the present invention and technical purpose, below in conjunction with the drawings and the specific embodiments, the present invention is described further.
One, fore-lying device:
Described fore-lying device 7 comprises front panel and back shroud (not shown in FIG.), in fore-lying device 7, is provided with microcontroller circuit.
As shown in Figure 2, described front panel is provided with color touch formula liquid crystal display screen 44, human body sensor 50, once charged indicator light 45, function are selected pressing plate 46, breaking-closing operating button 47, opening and closing state indicator light 48, distant place breaking-closing operating diverter switch 49.Described fore-lying device 7 is generally arranged on the frame door of intelligent high-pressure ac metal closing switch gear and control appliance or on cabinet front panel, is preferably inlaid in the compartment door 52 of instrument compartment for the present invention.Setting-in the first Temperature Humidity Sensor 24 on preposition 7 front panel, for monitoring cabinet external environment humiture; On the back shroud of fore-lying device 7, be embedded with the second Temperature Humidity Sensor 25, for the humiture in measuring instrument compartment; Thereby intelligent switchboard no longer needs to configure the outer humidity temperature monitor of cabinet and instrument compartment humidity temperature monitor, simplify switch cubicle complete set of equipments.Described color touch formula liquid crystal display screen 44, human body sensor 50, middle pressure zone electricity indicator light 45, function select pressing plate 46, breaking-closing operating button 47, opening and closing state indicator light 48, distant place breaking-closing operating diverter switch 49 to be connected with the microcontroller circuit of fore-lying device 7 respectively.
The front panel of described fore-lying device 7 is provided with human body sensor 50, and described human body sensor 50 is connected with the microcontroller circuit of fore-lying device 7.When human body sensor senses human body proximity, the microcontroller circuit control liquid crystal display screen 44 of fore-lying device shows, microcontroller circuit control liquid crystal display screen 44 delay-actions of fore-lying device after human body leaves, the service time of significantly having improved liquid crystal display screen, the useful life of improving fore-lying device.
In described fore-lying device 7, be provided with wireless communication module, for being connected with the wireless device communication in described intelligent high-pressure ac metal closing switch gear and control appliance; Described wireless communication module comprises GPRS communication module, bluetooth communication and RF radio-frequency communication module, and described GPRS communication module, bluetooth communication and RF radio-frequency communication module communicate to connect with wireless mode respectively at the microcontroller circuit of fore-lying device.
Two, intelligent high-pressure ac metal closing switch gear and control appliance:
Described intelligent high-pressure ac metal closing switch gear and control appliance, as shown in 1 and 2, comprise metal enclosed framework 1, described framework 1 comprises the instrument compartment 2, breaker compartment 3, inlet wire compartment 4, outlet compartment 5, compartment for subsequent use and the corresponding compartment door that are at least separated into by steel plate; Above-mentioned each compartment is by the obturator of steel plate and compartment door formation, and compartment door is flexibly connected with compartment, preferably hinged.Breaker compartment door 53 is provided with observation window 51, for observing the running status of intelligent breaker body.Steel plate in present embodiment can be replaced other metallic plate of steel, as aluminium sheet, copper coin, checkered sheet with holes, netted aluminium sheet with holes, netted copper coin with holes.
Preferentially, described inlet wire compartment 4 is positioned at the top, rear of intelligent high-pressure ac metal closing switch gear and control appliance, and outlet compartment 5 is positioned at the rear lower portion of intelligent high-pressure ac metal closing switch gear and control appliance; Breaker compartment 3 is positioned at the middle part, front of intelligent high-pressure ac metal closing switch gear and control appliance, and instrument compartment 2 is positioned at the top, front of intelligent high-pressure ac metal closing switch gear and control appliance.
(1) instrument compartment 2:
Described instrument compartment 2 comprises fore-lying device 7, compartment controller 10, communication connection between described fore-lying device 7 and compartment controller 10 adopts serial communication passage 43 to be connected, and serial communication passage 43 is respectively equipped with electrical isolation circuit in the junction of fore-lying device 7 and compartment controller 10; The compartment door of described instrument compartment 2 is provided with instrument compartment door state sensor 26 and instrument compartment door lock 27, and 26 2 output lines of described instrument compartment door state sensor share afterwards two buses with 27 2 control line parallel connections of instrument compartment door lock and are connected with compartment controller 10.Described fore-lying device 7 is inlaid in the instrument compartment door 52 of instrument compartment 2, is convenient to man-machine interface.
(2) breaker compartment 3:
In described breaker compartment 3, be provided with breaker body 6, breaker body 6 is embedded in installs this body controller 13, and breaker body bottom has chassis vehicle 18, chassis vehicle 18 to be placed on the guide rail in breaker compartment 3; Between described fore-lying device 7 and this body controller 13, adopt serial communication passage 42 to be connected, serial communication passage 42 is respectively equipped with electrical isolation circuit in fore-lying device 7 and the junction of this body controller 13; Electric mutual isolation, Electro Magnetic Compatibility is high, has further improved the reliability of product; Current transformer 15 is installed in the outlet of circuit breaker 6, and secondary and this body controller 13 of current transformer 15 is connected, and between the tie point being connected and test binding post or connector 17, connects between 15 levels of current transformer and this body controller 13; Described test binding post or connector 17 are arranged on the front panel of this body controller or on breaker body.Test binding post or connector 17, for outside test, are convenient to realize the internal current instrument transformer experimental test to intelligent breaker.
Further, the first humiture transducer 54, the first compartment heater 55, the first fan 21 are also set in described breaker compartment 3; Described the first humiture transducer 54, the first compartment heater 55, the first fan 21 are connected with compartment controller 10 respectively.Compartment controller 10 is passed to fore-lying device 7 the temperature-humidity signal gathering, and on fore-lying device 7, shows the humiture value of breaker compartment; Fore-lying device sends Temperature and Humidity Control order to compartment controller, compartment controller is according to the work of humiture situation control heater and fan, humiture in breaker compartment is controlled in the scope of fore-lying device setting automatically, makes key equipment intelligent breaker body reliability service in suitable environment.Described breaker compartment 3 is provided with breaker compartment door condition sensor 22 and breaker compartment door lock 23, and 23 2 control line parallel connections of 22 2 output lines of breaker compartment door condition sensor and breaker compartment door lock share afterwards two buses and compartment controller 10 and are connected.Compartment door status signal reaches fore-lying device through compartment controller, and the unblanking of breaker compartment door issued an order and reached door lock through compartment controller by fore-lying device with locking, and realizes the logic control of breaker compartment door, guarantees equipment and personal safety.
(3) inlet wire compartment 4:
Described inlet wire compartment 4 comprises inlet wire copper bar 8, and described inlet wire copper bar 8 one end are connected with the inlet wire terminals of circuit breaker 6; Inlet wire compartment 4 is provided with the charged wireless transmitter 28 of inlet wire and the 3rd Temperature Humidity Sensor 31, the charged wireless transmitter 28 of described inlet wire is connected with inlet wire copper bar 8 and ground wire respectively, the charged wireless transmitter 28 of described inlet wire is connected with fore-lying device 7 radio communications, the charged information of inlet wire is sent to fore-lying device by inlet wire band electric transmitter, in the demonstration screen display of fore-lying device.Described Temperature Humidity Sensor 31 is connected with 10 serial communications of compartment controller, and inlet wire compartment temperature-humidity signal is reached to fore-lying device by serial communication mode after compartment controller, shows screen display at fore-lying device.The compartment door of described inlet wire compartment 4 is provided with inlet wire compartment door state sensor 29 and inlet wire compartment door lock 30, and 30 2 control line parallel connections of two output lines and inlet wire compartment door locks of inlet wire compartment door state sensor 29 share afterwards two buses and compartment controller 10 and are connected; Reduce connecting line, reduce wiring and disturb, realize the or logical control of inlet wire compartment door, guarantee equipment and personal safety.
(4) outlet compartment 5:
Described outlet compartment 5 comprises outlet copper bar 9, ground wire copper bar 12, grounding switch 11, lightning arrester 19; Described outlet copper bar 9 one end are connected with the outlet terminals of circuit breaker 6.Described grounding switch 11 is connected with outlet copper bar 9 and ground wire copper bar 12 respectively, and lightning arrester 19 is connected with outlet copper bar 9 and ground wire copper bar 12 respectively.Divide-shut brake control contact and opening and closing state contact (not marking in figure) are set on the grounding switch 11 in outlet compartment 5, and described divide-shut brake control contact is connected with compartment test control device 10 respectively with opening and closing state contact.Fore-lying device and the communication connection of compartment controller, fore-lying device sends divide-shut brake control command to compartment controller, through separating brake, the combined floodgate of compartment controller control disconnecting link; Compartment controller gathers separating brake, the "on" position information of disconnecting link, and the separating brake of gathered disconnecting link, "on" position information are sent to fore-lying device, in the state information of the demonstration screen display disconnecting link of fore-lying device; Realize the logic control to disconnecting link, avoid misoperation generation accident.
Described outlet compartment 5 is provided with the charged wireless transmitter 20 of the outlet being arranged on outlet copper bar, and the charged wireless transmitter of described outlet (20) is connected with outlet copper bar (9) and ground wire copper bar (12) respectively; The charged wireless transmitter 20 of described outlet is connected with fore-lying device 7 radio communications; The charged state of outlet copper bar is sent to fore-lying device, in the demonstration screen display of fore-lying device.
Further, outlet compartment 5 is provided with the second humiture transducer 32, secondary heater 33, the second fan 34, and described the second humiture transducer 32, secondary heater 33, the second fan 34 are connected with compartment controller 10 respectively; Between fore-lying device and compartment controller, communicate to connect, fore-lying device gathers the temperature-humidity signal of outlet compartment through compartment controller, and by compartment controller control heater, fan, make the Temperature and Humidity Control of outlet compartment in fore-lying device setting range, make equipment in outlet compartment be operated in temperature, the humidity environment of setting, support equipment safe operation.Further, described outlet compartment 5 is provided with outlet compartment door state sensor 35 and outlet compartment door lock 36,36 2 control line parallel connections of 35 2 output lines of outlet compartment door state sensor and outlet compartment door lock share afterwards two buses and are connected with compartment controller 10, and wiring quantity reduces 50%; Realize the or logical control of outlet compartment door, guarantee equipment and personal safety.
(5) compartment for subsequent use:
Intelligent high-pressure ac metal closing switch gear and control appliance are also provided with a compartment for subsequent use, compartment for subsequent use is provided with compartment door state sensor for subsequent use and compartment door lock for subsequent use (not indicating in figure), two control line parallel connections of two output lines of compartment door state sensor for subsequent use and compartment door lock for subsequent use share afterwards two buses and are connected with compartment controller 10, and wiring quantity reduces 50%; Realize the or logical control of compartment door for subsequent use.Compartment for subsequent use can be used for expanding function and the purposes of intelligent high-pressure ac metal closing switch gear and control appliance, or for special-purpose.
Three, control circuit:
A kind of control circuit for described intelligent high-pressure ac metal closing switch gear and control appliance.
As shown in Figure 3, described control circuit comprises the moving contact stroke sensor 38 of switching tube in current transformer 15 in this body controller 13, outside distribution voltage instrument transformer 37, circuit breaker 6, closing coil 39, chassis vehicle 18, disconnecting link 11, circuit breaker 6; In current transformer 15 in described outside distribution voltage instrument transformer 37, circuit breaker 6, closing coil 39, chassis vehicle 18, disconnecting link 11, circuit breaker 6, the moving contact stroke sensor 38 of switching tube is connected with this body controller 13 respectively.This body controller gathers outside distribution voltage, load current and phase information thereof, and this body controller is processed power, the power factor of rear acquisition intelligent high-pressure ac metal closing switch gear and control appliance and shows on fore-lying device collected information; This body controller is by the magnitude of voltage recording and the comparison of voltage protection definite value, and in the time that the magnitude of voltage recording is greater than voltage protection set point, this body controller is carried out sub-switching operation, realizes voltage-type protection; This body controller is by the current value recording and the comparison of current protection set point, and in the time that the current value recording is greater than current protection definite value, this body controller is carried out sub-switching operation, realizes current mode protection.This body controller is by stroke, speed and the spring of stroke sensor moving contact of monitoring breaker switch in divide-shut brake process, and then mechanism's operating mode of intelligent diagnosis breaker body.
Further, chassis vehicle 18 advances and the second state contact 40 of the first state contact 41 of exiting and disconnecting link 11 separating brakes and combined floodgate is serially connected in the closing circuit of controlling closing coil 39 successively; Described state contact is limit switch contact or relay tip, is preferably limit switch contact.In described closing circuit, be connected in series successively chassis vehicle and advance and exit the first state contact and disconnecting link separating brake and the second state contact that closes a floodgate, not only wiring is succinct, and be not subject to smart circuit control, guarantee under any circumstance to avoid the false switching of intelligent breaker body, cause serious equipment, personal safety accident, guarantee that switchgear operation is very reliable.
Four, two bussing techniques:
Two buses are a kind of technology with respect to four lines (comprising Liang Gen supply line, two communication lines) circuit, and supply lines and holding wire are united two into one, and have realized the technology of signal and the shared bus of power supply.
Function admirable of the present invention, equipment be succinct, complete simple and easy, reliable, easy to maintenance, cost performance is high.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and the claimed scope of the present invention is defined by appending claims, specification and equivalent thereof.
Claims (18)
1. intelligent high-pressure ac metal closing switch gear and control appliance, comprises metal enclosed framework (1), it is characterized in that:
Described framework (1) comprises instrument compartment (2), breaker compartment (3), inlet wire compartment (4) and the outlet compartment (5) and the corresponding compartment door that are separated into by metal device;
Described instrument compartment (2) comprises fore-lying device (7), compartment controller (10), the communication connection between described fore-lying device (7) and compartment controller (10);
In described breaker compartment (3), be provided with breaker body (6), breaker body (6) is embedded in installs this body controller (13), communication connection between described fore-lying device (7) and this body controller (13); Chassis vehicle (18) is arranged at breaker body (6) bottom, and chassis vehicle (18) is placed on the guide rail of breaker compartment (3);
Described inlet wire compartment (4) comprises inlet wire copper bar (8), and described inlet wire copper bar (8) one end is connected with the inlet wire terminals of breaker body (6);
Described outlet compartment (5) comprises outlet copper bar (9); Described outlet copper bar (9) one end is connected with the outlet terminals of breaker body (6);
In above-mentioned each compartment, at least one compartment door is provided with door condition sensor and door lock, and described door condition sensor is connected with compartment controller (10) respectively with door lock.
2. intelligent high-pressure ac metal closing switch gear according to claim 1 and control appliance, is characterized in that: the door condition sensor in described compartment door shares two buses with door lock and is connected with compartment controller 10.
3. intelligent high-pressure ac metal closing switch gear according to claim 2 and control appliance, is characterized in that: (36) two control line parallel connections of (35) two output lines of door condition sensor and door lock of described outlet compartment (5) share afterwards two buses and are connected with compartment controller (10).
4. intelligent high-pressure ac metal closing switch gear according to claim 1 and control appliance, it is characterized in that: described metal device comprises metallic plate or metal otter board with holes, described inlet wire compartment 4 is positioned at the top, rear of intelligent high-pressure ac metal closing switch gear and control appliance, and outlet compartment 5 is positioned at the rear lower portion of intelligent high-pressure ac metal closing switch gear and control appliance; Breaker compartment 3 is positioned at the middle part, front of intelligent high-pressure ac metal closing switch gear and control appliance, and instrument compartment 2 is positioned at the top, front of intelligent high-pressure ac metal closing switch gear and control appliance.
5. intelligent high-pressure ac metal closing switch gear according to claim 1 and control appliance, it is characterized in that: between described fore-lying device (7) and compartment controller (10), adopt serial communication passage (43) to be connected, serial communication passage (43) is respectively equipped with electrical isolation circuit in the junction of fore-lying device (7) and compartment controller (10).
6. intelligent high-pressure ac metal closing switch gear according to claim 1 and control appliance, it is characterized in that: between described fore-lying device (7) and this body controller (13), adopt serial communication passage (42) to be connected, serial communication passage (42) is respectively equipped with electrical isolation circuit in fore-lying device (7) and the junction of this body controller (13).
7. according to intelligent high-pressure ac metal closing switch gear and control appliance described in the arbitrary claim of claim 1-6, it is characterized in that: have at least a compartment to be provided with humiture transducer, heater, fan; Described humiture transducer, heater, fan are connected with compartment controller (10) respectively.
8. intelligent high-pressure ac metal closing switch gear according to claim 1 and control appliance, it is characterized in that: in described outlet compartment (5), also comprise ground wire, grounding switch (11), lightning arrester (19), described grounding switch (11) is connected with outlet copper bar (9) and ground wire copper bar (12) respectively, and lightning arrester (19) is connected with outlet copper bar (9) and ground wire copper bar (12) respectively.
9. intelligent high-pressure ac metal closing switch gear according to claim 1 and control appliance, it is characterized in that: on the outlet connector arm of described circuit breaker (6), current transformer (15) is installed, current transformer (15) is connected with body controller (13).
10. intelligent high-pressure ac metal closing switch gear according to claim 9 and control appliance, it is characterized in that: secondary and this body controller (13) of described current transformer (15) is connected, described current transformer (15) is connected by wire and test binding post or connector (17) with the tie point of this body controller (13); Described test binding post or connector (17) are arranged on the front panel of this body controller or on breaker body.
11. intelligent high-pressure ac metal closing switch gear according to claim 1 and control appliances, it is characterized in that, described inlet wire copper bar (8) and outlet copper bar (9) are respectively equipped with inlet wire and the outlet joint junction of described breaker body (6) the first temperature transmitter (14) and the second temperature transmitter (16) of measuring this end temperature, and described the first temperature transmitter (14) adopts communication to be connected with described fore-lying device (7) with the second temperature transmitter (16).
12. intelligent high-pressure ac metal closing switch gear according to claim 1 and control appliances, it is characterized in that: described inlet wire compartment (4) is provided with the charged wireless transmitter of inlet wire (28), the charged wireless transmitter of described inlet wire (28) is connected with inlet wire copper bar (8) and ground wire; The charged wireless transmitter of described inlet wire (28) adopts communication to be connected with described fore-lying device (7), and described radio communication is RF radio communication.
13. intelligent high-pressure ac metal closing switch gear according to claim 1 and control appliances, it is characterized in that, the upper divide-shut brake control contact arranging of grounding switch (11) in described outlet compartment (5) is connected with compartment controller (10) respectively with opening and closing state contact.
14. intelligent high-pressure ac metal closing switch gear according to claim 1 and control appliances, it is characterized in that: described outlet compartment (5) is provided with the charged wireless transmitter of outlet (20), the charged wireless transmitter of described outlet (20) is connected with outlet copper bar (9) and ground wire copper bar (12) respectively; The charged wireless transmitter of described outlet (20) adopts communication to be connected with fore-lying device (7).
15. according to intelligent high-pressure ac metal closing switch gear and control appliance described in the arbitrary claim of claim 1-6,8-14, it is characterized in that: described fore-lying device (7) comprises front panel and back shroud, fore-lying device is provided with microcontroller circuit in (7); Described front panel is provided with the color touch formula liquid crystal display screen (44) that is connected with microcontroller circuit respectively, once charged indicator light (45), function are selected pressing plate (46), breaking-closing operating button (47), opening and closing state indicator light (48), distant place breaking-closing operating diverter switch (49), are inlaid in the Temperature Humidity Sensor (24) on front panel, the Temperature Humidity Sensor (25) that on described back shroud, setting-in is connected with microprocessor circuit.
16. intelligent high-pressure ac metal closing switch gear according to claim 15 and control appliances, it is characterized in that: the front panel of described fore-lying device (7) is provided with human body sensor (50), and described human body sensor (50) is connected with microcontroller circuit; When human body sensor (50) senses human body proximity, the microcontroller circuit control liquid crystal display screen (44) of fore-lying device shows, microcontroller circuit control liquid crystal display screen (44) delay-action of fore-lying device after human body leaves.
17. intelligent high-pressure ac metal closing switch gear according to claim 15 and control appliances, is characterized in that: described fore-lying device (7) is inlaid in the instrument compartment door (52) of instrument compartment (2); Breaker compartment door (53) is provided with observation window (51).
18. 1 kinds of control circuits for intelligent high-pressure ac metal closing switch gear claimed in claim 1 and control appliance, comprise this body controller (13), it is characterized in that: described body controller (13) is connected with the stroke sensor (38) of the switching tube moving contact of the current transformer (15) of outside distribution voltage instrument transformer (37), breaker body (6), closing coil (39), chassis vehicle (18), disconnecting link (11), breaker body (6) respectively; The separating brake of the propelling of described chassis vehicle (18) and the first state contact (41) exiting and disconnecting link (11) and the second state contact (40) of combined floodgate are serially connected in the closing circuit of controlling closing coil (39) successively; Described state contact is limit switch contact or relay tip.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410015046.0A CN103795000B (en) | 2014-01-13 | 2014-01-13 | Intelligent high voltage alternating-current metal enclosed switchgear and control device |
| CN201420019760.2U CN203722113U (en) | 2014-01-13 | 2014-01-13 | Intelligent high voltage switch cabinet and control circuit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410015046.0A CN103795000B (en) | 2014-01-13 | 2014-01-13 | Intelligent high voltage alternating-current metal enclosed switchgear and control device |
| CN201420019760.2U CN203722113U (en) | 2014-01-13 | 2014-01-13 | Intelligent high voltage switch cabinet and control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103795000A true CN103795000A (en) | 2014-05-14 |
| CN103795000B CN103795000B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420019760.2U Expired - Fee Related CN203722113U (en) | 2014-01-13 | 2014-01-13 | Intelligent high voltage switch cabinet and control circuit |
| CN201410015046.0A Active CN103795000B (en) | 2014-01-13 | 2014-01-13 | Intelligent high voltage alternating-current metal enclosed switchgear and control device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420019760.2U Expired - Fee Related CN203722113U (en) | 2014-01-13 | 2014-01-13 | Intelligent high voltage switch cabinet and control circuit |
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| Country | Link |
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| CN (2) | CN203722113U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786110A (en) * | 2016-12-29 | 2017-05-31 | 重庆市东泰电器实业有限公司 | A kind of fixed type metal enclosing switch device |
| CN106877226A (en) * | 2017-03-24 | 2017-06-20 | 郑州祥和集团电气设备有限公司 | The AC metal closed switching device of novel intelligent |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377564A (en) * | 2014-10-30 | 2015-02-25 | 张家港保税区天翔电气有限公司 | Switch cabinet |
| CN105867200A (en) * | 2016-06-20 | 2016-08-17 | 国家电网公司 | Intelligent control method for switch cabinet handcart and earthing knife switch |
| CN107069478A (en) * | 2017-01-03 | 2017-08-18 | 繁昌县易能科技有限责任公司 | A kind of low-tension distribution box |
| CN107482782A (en) * | 2017-10-09 | 2017-12-15 | 瑞熙恩电气（珠海）有限公司 | A kind of ring main unit of digital monitoring |
| CN108063380B (en) * | 2017-12-26 | 2024-06-04 | 国网浙江建德市供电有限公司 | Alternating current closed switch cabinet |
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| WO2008136113A1 (en) * | 2007-04-26 | 2008-11-13 | Mitsubishi Electric Corporation | Metal closed type switch gear |
| CN202026018U (en) * | 2011-03-11 | 2011-11-02 | 江苏鑫富达科技有限公司 | Handcart interlocking centrally-installed switch cabinet |
| CN103259208A (en) * | 2013-06-03 | 2013-08-21 | 宁波电业局 | Intelligent medium voltage switch cabinet |
| CN203260922U (en) * | 2013-04-23 | 2013-10-30 | 上海上京电气集团有限公司 | High/middle-voltage switch cabinet with intelligent temperature control device |
| CN103457351A (en) * | 2013-02-28 | 2013-12-18 | 南京亚电电力设备有限公司 | Integrated switch cabinet intelligent operating system |
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2014
- 2014-01-13 CN CN201420019760.2U patent/CN203722113U/en not_active Expired - Fee Related
- 2014-01-13 CN CN201410015046.0A patent/CN103795000B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008136113A1 (en) * | 2007-04-26 | 2008-11-13 | Mitsubishi Electric Corporation | Metal closed type switch gear |
| CN202026018U (en) * | 2011-03-11 | 2011-11-02 | 江苏鑫富达科技有限公司 | Handcart interlocking centrally-installed switch cabinet |
| CN103457351A (en) * | 2013-02-28 | 2013-12-18 | 南京亚电电力设备有限公司 | Integrated switch cabinet intelligent operating system |
| CN203260922U (en) * | 2013-04-23 | 2013-10-30 | 上海上京电气集团有限公司 | High/middle-voltage switch cabinet with intelligent temperature control device |
| CN103259208A (en) * | 2013-06-03 | 2013-08-21 | 宁波电业局 | Intelligent medium voltage switch cabinet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786110A (en) * | 2016-12-29 | 2017-05-31 | 重庆市东泰电器实业有限公司 | A kind of fixed type metal enclosing switch device |
| CN106877226A (en) * | 2017-03-24 | 2017-06-20 | 郑州祥和集团电气设备有限公司 | The AC metal closed switching device of novel intelligent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN203722113U (en) | 2014-07-16 |
| CN103795000B (en) | 2015-04-22 |
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