CN103795000B - 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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- CN103795000B CN103795000B CN201410015046.0A CN201410015046A CN103795000B CN 103795000 B CN103795000 B CN 103795000B CN 201410015046 A CN201410015046 A CN 201410015046A CN 103795000 B CN103795000 B CN 103795000B
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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 of using in high-voltage fence and control appliance, be specially the intellectuality of a kind of height, integrated intelligent high-pressure ac metal closing switch gear and control appliance, and for the control circuit of described intelligent high-pressure ac metal closing switch gear and control appliance, belong to technical field of electric power.
Background technology
Existing intelligent AC metal enclosed switchgear and control appliance are except functional apparatus is as except 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, motonsed actuating units, phase-controlled device etc., there is device category and quantity is many, wiring is numerous and diverse, complete and uniting and adjustment are difficult, the difficult control of performance, operation maintenance inconvenience etc. defect.
Summary of the invention
Technical purpose of the present invention is for problems of the prior art, there is provided a kind of intellectuality, parts minimizing, wiring quantity is few, length is short, equipment is succinct, function admirable, reliable intelligent high-pressure ac metal closing switch gear and control appliance.
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 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;
Be provided with breaker body 6 in described breaker compartment 3, breaker body 6 is embedded in installs Body Controller 13, communicates to connect between described fore-lying device 7 and Body Controller 13; Have chassis vehicle 18 bottom breaker body 6, 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 line 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 compartment door, at least one compartment door is provided with door condition sensor and door lock, and described door condition sensor and door lock are connected with compartment controller 10 respectively.
Intelligent high-pressure ac metal closing switch gear of the present invention and control appliance are highly integrated, intelligentized complete set of equipments, are arranged on by fore-lying device and are convenient on the frame door of man-machine interactive framework.Intelligent parts in described ac metal closing switch gear only has Body Controller, fore-lying device and compartment controller, adopts wired or wireless communication port to connect each other, 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 then Electro Magnetic Compatibility of each compartment is high, improves the reliability of product.During application, this equipment is placed on 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 and door lock share two lines bus and are connected with compartment controller 10.Door condition sensor in compartment door and door lock share two lines and are connected with compartment controller 10, and wiring quantity can reduce 50%, decrease wiring interference simultaneously, improve stability and the reliability of equipment, and reduce equipment cost.
Door condition sensor 22 2 output lines and door lock 23 2 control line parallel connections of described breaker compartment 3 share two lines bus afterwards and are connected with compartment controller 10; Door condition sensor 26 2 output lines and door lock 27 2 control line parallel connections of described instrument compartment 2 share two lines bus afterwards and are connected with compartment controller 10; Door condition sensor 29 2 output lines and door lock 30 2 control line parallel connections of described inlet wire compartment 4 share two lines bus afterwards and are connected with compartment controller 10; Door condition sensor 35 2 output lines and door lock 36 2 control line parallel connections of described outlet compartment 5 share two lines bus afterwards 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, and equipment can be made more stably to work.Door state signal reaches fore-lying device through compartment controller, and the unblanking of breaker compartment door reaches door lock through compartment controller with locking to be sent instructions by fore-lying device, 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 is every stopping up the rear lower portion that 5 are positioned at intelligent high-pressure ac metal closing switch gear and control appliance; Breaker compartment 3 is positioned in the middle part of the front of intelligent high-pressure ac metal closing switch gear and control appliance, and instrument compartment 2 is positioned at the front upper of intelligent high-pressure ac metal closing switch gear and control appliance.
Described fore-lying device 7 is connected with adopting serial communication channels 43 between compartment controller 10, and serial communication channels 43 is respectively equipped with electrical isolation circuit in the junction of fore-lying device 7 and compartment controller 10.Described fore-lying device 7 is connected with adopting serial communication channels 42 between Body Controller 13, and serial communication channels 42 is respectively equipped with electrical isolation circuit at fore-lying device 7 and the junction of Body Controller 13.Electrical isolation circuit is set between fore-lying device and compartment controller, electrical isolation circuit is set between fore-lying device and Body Controller, isolated mutually on electrically by each circuit of electrical isolation circuit realiration arranged, Electro Magnetic Compatibility is high, further increases the reliability of product.
Have at least in a compartment and humiture transducer, heater, fan are set; Described humiture transducer, heater, fan are connected with compartment controller 10 respectively.First humiture transducer 54, first compartment heater 55, first fan 21 is 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, second fan 34; Described first humiture transducer 54, first every stopping up heater 55, first fan 21, second humiture transducer 32, secondary heater 33, second fan the 34, three humiture transducer 31 is connected with compartment controller 10 respectively.Fore-lying device shows the warm and humid angle value of breaker compartment, inlet wire compartment and outlet compartment, fore-lying device sends the signal of telecommunication controlling humiture interval to compartment controller, compartment controller controls to be arranged on the heater of breaker compartment and outlet compartment and the work of fan according to humiture situation, the humiture in breaker compartment and outlet compartment is made automatically to control, in the scope of fore-lying device setting, to make key equipment intelligent breaker body reliability service in suitable environment.
Also comprise ground wire copper bar 12, grounding switch 11, lightning arrester 19 in described outlet compartment 5, 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.
The outlet of described circuit breaker 6 is provided with current transformer 15, and current transformer 15 is connected with body controller 13.
Secondary and the Body Controller 13 of described current transformer 15 is connected, and the tie point of described current transformer 15 and Body Controller 13 is by wire and test binding post 17 and be connected; On the front panel that described test binding post 17 is arranged on Body Controller or on breaker body.Described test binding post 17, for the outside input test signal of telecommunication, conveniently realizes the current protection of breaker body, the experimental test of measurement.
Inlet wire and the outlet joint junction of described inlet wire copper bar 8 and outlet copper bar 9 and described breaker body 6 are respectively equipped with the first temperature transmitter 14 and the second temperature transmitter 16 measuring this end temperature, and described first temperature transmitter 14 and the second temperature transmitter 16 adopt communication to be connected with described fore-lying device 7.First temperature transmitter and the second temperature transmitter use communication that this end temperature data measured directly is 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 be connected with inlet wire copper bar 8 and is connected with compartment controller 10, the charged wireless transmitter 28 of institute's inlet wire and fore-lying device 7 radio communications are 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 display screen display of fore-lying device; Inlet wire reaches fore-lying device by serial communication mode every stopping up temperature-humidity signal after compartment controller, in fore-lying device display screen display.
Grounding switch 11 in described outlet compartment 5 is arranged divide-shut brake and control contact and opening and closing state contact, described divide-shut brake controls contact and opening and closing state contact and tests with compartment respectively and control device 10 and be connected.Fore-lying device and compartment controller communicate to connect, and fore-lying device sends the control signal of telecommunication to compartment controller, control separating brake, the combined floodgate of disconnecting link through compartment controller; 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 in the display screen display disconnecting link shape state of fore-lying device; And then the logic control realized 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 display screen display of fore-lying device.
Described fore-lying device 7 comprises front panel and back shroud, is provided with microcontroller circuit in fore-lying device 7; Described front panel is provided with the color touch formula liquid crystal display screen 44 be connected with microcontroller circuit respectively, 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, the Temperature Humidity Sensor 24 be inlaid on front panel, setting-in Temperature Humidity Sensor 25 on described back shroud, described Temperature Humidity Sensor 25 is connected with microcontroller circuit.The front panel of fore-lying device is integrated with human-computer dialogue instrument, the element of intelligent high-pressure ac metal closing switch gear and control appliance, not only easy to use, and simplify installation, wiring, improve reliability, be conducive to operation maintenance; First Temperature Humidity Sensor is for monitoring cabinet external environment humiture, second Temperature Humidity Sensor is used for the humiture in measuring instrument compartment, thus intelligent switchboard is without the need to configuring the outer humidity temperature monitor of cabinet and instrument compartment humidity temperature monitor again, simplifies 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 of fore-lying device controls liquid crystal display screen 44 and shows, and after human body leaves, the microcontroller circuit of fore-lying device controls liquid crystal display screen 44 delay-action.Significantly improve liquid crystal display screen service time, improve 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 observing the running status of breaker body.
Another object of the present invention provides a kind of control circuit for described intelligent high-pressure ac metal closing switch gear and control appliance.
A kind of control circuit for described intelligent high-pressure ac metal closing switch gear and control appliance, comprise Body Controller 13, closing coil (39) and grounding switch (11), grounding switch (11) is arranged in outlet compartment (5), grounding switch (11) is connected with outlet copper bar (9) and ground wire copper bar (12) respectively, described Body Controller 13 respectively with outside distribution voltage instrument transformer 37, the current transformer 15 of breaker body 6, closing coil 39, chassis vehicle 18, grounding switch 11, the switching tube moving contact stroke sensor 38 of breaker body 6 is connected, the propelling of described chassis vehicle 18 and the separating brake of the first state contact 41 exited and grounding switch 11 and the second state contact 40 of combined floodgate are serially connected in the closing circuit controlling closing coil 39 successively, described state contact is limit switch contact or relay tip.Body Controller gathers distribution voltage, load current and phase information thereof; Body Controller carries out calculation process to gathered information and obtains the power of intelligent high-pressure ac metal closing switch gear and control appliance, power factor showing on fore-lying device, and is compared with voltage protection set point by the magnitude of voltage recorded and realize voltage-type protection, compared by the current value recorded realize current mode protection with current protection set point.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 chassis vehicle successively advance and exit the first state contact and grounding switch separating brake and the second state contact that closes a floodgate.Circuit of the present invention not only wiring is succinct, and does not control by smart circuit, ensures the false switching under any circumstance avoiding intelligent breaker body, causes serious equipment, personal safety accident, make on/off switch reliably fool proof.
Beneficial effect of the present invention:
The present invention can ensure the complete simple and easy, reliable of switchgear; Simultaneously by arranging compartment controller, realizing the control to each compartment and compartment environment, making equipment be operated in optimum state; By the shielding action of compartment, reduce the electromagnetic interference between space and each device; Connected by isolated communication, reduce the impact of spatial electromagnetic on communication; Controlling by arranging compartment environment, substantially increasing 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 from operating, and guarantees switchgear reliability service; Employing radio communication connects, and decreases wiring and improves equipment dependability; Appliance component is integrated in a switch cubicle, such that succinct, the intelligent parts of equipment are few, wiring quantity and length reduces, improve switchgear reliability service further.
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.), is provided with microcontroller circuit in fore-lying device 7.
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 select pressing plate 46, breaking-closing operating button 47, opening and closing state indicator light 48, distant place breaking-closing operating diverter switch 49.On the frame door that described fore-lying device 7 is generally arranged on intelligent high-pressure ac metal closing switch gear and control appliance or on cabinet front panel, the present invention is preferably inlaid in the compartment door 52 of instrument compartment.Setting-in first Temperature Humidity Sensor 24 on the front panel of preposition 7, for monitoring cabinet external environment humiture; The back shroud of fore-lying device 7 is embedded with the second Temperature Humidity Sensor 25, for the humiture in measuring instrument compartment; Thus intelligent switchboard no longer needs the outer humidity temperature monitor of configuration cabinet and instrument compartment humidity temperature monitor, simplifies 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 is 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 of fore-lying device controls liquid crystal display screen 44 and shows, after human body leaves, the microcontroller circuit of fore-lying device controls liquid crystal display screen 44 delay-action, significantly improves the service time of liquid crystal display screen, improves the useful life of fore-lying device.
Wireless communication module is provided with, for being connected with the wireless device communication in described intelligent high-pressure ac metal closing switch gear and control appliance in described fore-lying device 7; 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 wirelessly communicate to connect 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; The obturator that each compartment above-mentioned is formed by steel plate and compartment door, 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 replace 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 in the middle part of the front of intelligent high-pressure ac metal closing switch gear and control appliance, and instrument compartment 2 is positioned at the front upper 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, described fore-lying device 7 adopts serial communication channels 43 to be connected with the communication connection between compartment controller 10, and serial communication channels 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 described instrument compartment door state sensor 26 2 output lines and the 27 2 control line parallel connections of instrument compartment door lock share two lines bus afterwards 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:
Be provided with breaker body 6 in described breaker compartment 3, breaker body 6 is embedded in installs Body Controller 13, and have chassis vehicle 18 bottom breaker body, chassis vehicle 18 is placed on the guide rail in breaker compartment 3; Described fore-lying device 7 is connected with adopting serial communication channels 42 between Body Controller 13, and serial communication channels 42 is respectively equipped with electrical isolation circuit at fore-lying device 7 and the junction of Body Controller 13; Electrically upper isolation mutually, Electro Magnetic Compatibility is high, further increases the reliability of product; The outlet of circuit breaker 6 is provided with current transformer 15, the secondary and Body Controller 13 of current transformer 15 is connected, and current transformer 15 levels and the tie point be connected between Body Controller 13 and testing between binding post 17 connects; On the front panel that described test binding post 17 is arranged on Body Controller or on breaker body.Test binding post 17, for outside test, is convenient to realize the internal current instrument transformer experimental test to intelligent breaker.
Further, the first humiture transducer 54, first compartment heater 55, first fan 21 is also set in described breaker compartment 3; Described first humiture transducer 54, first compartment heater 55, first fan 21 is connected with compartment controller 10 respectively.Compartment controller 10 passes to fore-lying device 7 the temperature-humidity signal gathered, and on fore-lying device 7, show the warm and humid angle 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, the humiture in breaker compartment is made automatically to control, in the scope of fore-lying device setting, to make 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 the 23 2 control line parallel connections of breaker compartment door condition sensor 22 2 output lines and breaker compartment door lock share two lines bus afterwards and compartment controller 10 is connected.Compartment door status signal reaches fore-lying device through compartment controller, and the unblanking of breaker compartment door reaches door lock through compartment controller with locking to be issued an order by fore-lying device, 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 is 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 communication, the charged information of inlet wire is sent to fore-lying device by inlet wire band electric transmitter, in the display screen display of fore-lying device.Described Temperature Humidity Sensor 31 is connected with compartment controller 10 serial communication, and inlet wire compartment temperature-humidity signal is reached fore-lying device by serial communication mode after compartment controller, in fore-lying device display screen display.Described inlet wire every stop up 4 be provided with inlet wire compartment door state sensor 29 and inlet wire compartment door lock 30 every stopping up door, two output lines and inlet wire compartment door lock 30 2 control line parallel connections of inlet wire compartment door state sensor 29 share two lines bus afterwards and compartment controller 10 is connected; Reduce connecting line, reduce wiring interference, 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 is 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.Grounding switch 11 in outlet compartment 5 is arranged divide-shut brake and control contact and opening and closing state contact (not marking in figure), described divide-shut brake controls contact and opening and closing state contact and tests with compartment respectively and control device 10 and be connected.Fore-lying device is connected with compartment telemetry communication, and fore-lying device sends divide-shut brake control command to compartment controller, controls separating brake, the combined floodgate of disconnecting link through compartment controller; Compartment controller gathers separating brake, the "on" position information of disconnecting link, and the separating brake of gathered disconnecting link, "on" position information is sent to fore-lying device, in the state information of the display 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 be 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 communication; The charged state of outlet copper bar is sent to fore-lying device, in the display screen display of fore-lying device.
Further, outlet compartment 5 is provided with the second humiture transducer 32, secondary heater 33, second fan 34, and described second humiture transducer 32, secondary heater 33, second fan 34 are connected with compartment controller 10 respectively; Communicate to connect between fore-lying device and compartment controller, 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, the equipment in outlet compartment is made to be operated in the epidemic disaster 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, the 36 2 control line parallel connections of outlet compartment door state sensor 35 2 output lines and outlet compartment door lock share two lines bus afterwards 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), the two control line parallel connections of compartment door state sensor for subsequent use two output lines and compartment door lock for subsequent use share two lines bus afterwards 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 function and the purposes of expanding 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 current transformer 15 in Body Controller 13, outside distribution voltage instrument transformer 37, circuit breaker 6, closing coil 39, chassis vehicle 18, grounding switch 11, circuit breaker 6 breaker in middle pipe; The moving contact stroke sensor 38 of the current transformer 15 in described outside distribution voltage instrument transformer 37, circuit breaker 6, closing coil 39, chassis vehicle 18, grounding switch 11, circuit breaker 6 breaker in middle pipe is connected with Body Controller 13 respectively.Body Controller gathers outside distribution voltage, load current and phase information thereof, and Body Controller processes the power of rear acquisition intelligent high-pressure ac metal closing switch gear and control appliance, power factor showing on fore-lying device to collected information; The magnitude of voltage recorded compares with voltage protection definite value by Body Controller, and when the magnitude of voltage recorded is greater than voltage protection set point, Body Controller performs sub-switching operation, realizes voltage-type protection; The current value recorded compares with current protection set point by Body Controller, and when the current value recorded is greater than current protection definite value, Body Controller performs sub-switching operation, realizes current mode protection.Body Controller is by 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 intelligent diagnosis breaker body.
Further, chassis vehicle 18 advances and the second state contact 40 of the first state contact 41 of exiting and grounding switch 11 separating brake and combined floodgate is serially connected in the closing circuit controlling closing coil 39 successively; Described state contact is limit switch contact or relay tip, is preferably limit switch contact.Be connected in series chassis vehicle in described closing circuit successively and advance and exit the first state contact and grounding switch separating brake and the second state contact that closes a floodgate, not only wiring is succinct, and do not control by smart circuit, ensure the false switching under any circumstance avoiding intelligent breaker body, cause serious equipment, personal safety accident, guarantee that switchgear runs very reliable.
Four, two lines bus technology:
Two lines bus is a kind of technology relative to four lines (comprising Liang Gen supply line, two communication lines) circuit, supply lines and holding wire is united two into one, and achieves the technology of signal and the shared bus of power supply.
Function admirable of the present invention, equipment is succinct, complete simple and easy, reliable, easy to maintenance, cost performance is high.
More than show and describe general 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; what describe in above-described embodiment and specification 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 application claims protection range 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 corresponding compartment door that are separated into by metal device;
Described instrument compartment (2) comprises fore-lying device (7), compartment controller (10), communicates to connect between described fore-lying device (7) and compartment controller (10);
Breaker body (6) is provided with in described breaker compartment (3), breaker body (6) is embedded in installs Body Controller (13), communicates to connect between described fore-lying device (7) and 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 and door lock are connected with compartment controller (10) respectively.
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 and door lock share two lines bus and be 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: door condition sensor (35) two output lines and door lock (36) two control line parallel connections of described outlet compartment (5) share two lines bus afterwards 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 in the middle part of the front of intelligent high-pressure ac metal closing switch gear and control appliance, and instrument compartment (2) is positioned at the front upper 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: adopt serial communication channels (43) to be connected between described fore-lying device (7) with compartment controller (10), serial communication channels (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: adopt serial communication channels (42) to be connected between described fore-lying device (7) with Body Controller (13), serial communication channels (42) is respectively equipped with electrical isolation circuit at fore-lying device (7) and the junction of Body Controller (13).
7. the intelligent high-pressure ac metal closing switch gear according to the arbitrary claim of claim 1-6 and control appliance, 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 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.
9. intelligent high-pressure ac metal closing switch gear according to claim 1 and control appliance, it is characterized in that: the outlet of described circuit breaker (6) patches in member arms and is provided with current transformer (15), and 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: the secondary and Body Controller (13) of described current transformer (15) is connected, the tie point of described current transformer (15) and Body Controller (13) is by wire and test binding post (17) and be connected; On the front panel that described test binding post (17) is arranged on 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, inlet wire and the outlet joint junction of described inlet wire copper bar (8) and outlet copper bar (9) and described breaker body (6) are respectively equipped with the first temperature transmitter (14) and the second temperature transmitter (16) of measuring this end temperature, and described first temperature transmitter (14) and the second temperature transmitter (16) adopt communication to be connected with described fore-lying device (7).
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), and 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 arranged of the grounding switch (11) in described outlet compartment (5) controls contact and 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), 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 of described outlet (20) adopts communication to be connected with fore-lying device (7).
15. intelligent high-pressure ac metal closing switch gears according to the arbitrary claim of claim 1-6,8-14 and control appliance, 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 color touch formula liquid crystal display screen (44), the once charged indicator light (45), the function that are connected with microcontroller circuit respectively and selects pressing plate (46), breaking-closing operating button (47), opening and closing state indicator light (48), distant place breaking-closing operating diverter switch (49), the Temperature Humidity Sensor (24) be inlaid 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 of fore-lying device controls liquid crystal display screen (44) display, and after human body leaves, the microcontroller circuit of fore-lying device controls liquid crystal display screen (44) delay-action.
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 according to claim 1 and control appliance, comprise Body Controller (13), closing coil (39) and grounding switch (11), grounding switch (11) is arranged in outlet compartment (5), grounding switch (11) is connected with outlet copper bar (9) and ground wire copper bar (12) respectively, it is characterized in that: described Body Controller (13) respectively with outside distribution voltage instrument transformer (37), the current transformer (15) of breaker body (6), closing coil (39), chassis vehicle (18), grounding switch (11), the stroke sensor (38) of the switching tube moving contact of breaker body (6) connects, the propelling of described chassis vehicle (18) and the separating brake of the first state contact (41) exited and grounding switch (11) and the second state contact (40) of combined floodgate are serially connected in the closing circuit 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 |
|---|---|---|---|
| CN201420019760.2U CN203722113U (en) | 2014-01-13 | 2014-01-13 | Intelligent high voltage switch cabinet and control circuit |
| CN201410015046.0A CN103795000B (en) | 2014-01-13 | 2014-01-13 | Intelligent high voltage alternating-current metal enclosed switchgear and control device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420019760.2U CN203722113U (en) | 2014-01-13 | 2014-01-13 | Intelligent high voltage switch cabinet and control circuit |
| CN201410015046.0A CN103795000B (en) | 2014-01-13 | 2014-01-13 | Intelligent high voltage alternating-current metal enclosed switchgear and control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103795000A CN103795000A (en) | 2014-05-14 |
| CN103795000B true CN103795000B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410015046.0A Active CN103795000B (en) | 2014-01-13 | 2014-01-13 | Intelligent high voltage alternating-current metal enclosed switchgear and control device |
| CN201420019760.2U Expired - Fee Related CN203722113U (en) | 2014-01-13 | 2014-01-13 | Intelligent high voltage switch cabinet and control circuit |
Family Applications After (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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| CN (2) | CN103795000B (en) |
Families Citing this family (7)
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CN108063380A (en) * | 2017-12-26 | 2018-05-22 | 国网浙江建德市供电有限公司 | A kind of exchange closed switch cabinet |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4979767B2 (en) * | 2007-04-26 | 2012-07-18 | 三菱電機株式会社 | Metal closed switchgear |
| 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 |
| CN103457351B (en) * | 2013-02-28 | 2016-05-25 | 南京亚电电力自动化有限公司 | Integral switch cabinet Intelligent control 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 |
| CN103259208B (en) * | 2013-06-03 | 2015-09-02 | 宁波电业局 | A kind of intelligent medium voltage switchgear |
-
2014
- 2014-01-13 CN CN201410015046.0A patent/CN103795000B/en active Active
- 2014-01-13 CN CN201420019760.2U patent/CN203722113U/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN203722113U (en) | 2014-07-16 |
| CN103795000A (en) | 2014-05-14 |
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