CN209071824U - A kind of intelligent distribution box - Google Patents

Abstract

A kind of intelligent distribution box, the intelligent distribution box includes power module, master switch, at least one switch-dividing, and communication module, their side is each equipped with the first communication interface, the power module, the master switch, the switch-dividing and the communication module Side by side groupings, and communication connection is realized by the first communication interface grafting, the communication module is also configured with the second communication interface for connecting network, the switch-dividing is configured with the pole N input terminal and the pole N outlet terminal, and in the conductor for being internally provided with the connection pole N outlet terminal and the pole N input terminal.The combination of this intelligent distribution box is convenient, and line clear is easy to maintain.

Description

A kind of intelligent distribution box

Technical field

The utility model relates to controller switching equipment, especially a kind of small-sized intelligent distribution box for being installed on wall.

Background technique

The small distribution case of indoor power supply is usually embedded in wall, is protected by master switch, at least one switch-dividing and lightning protection Protect the composition such as module.With the rise of Internet of Things, occurring can be with the intelligent distribution box of remote control domestic electrical equipment.Existing distribution box Switch-dividing is only provided only with an input terminal and an outlet terminal, owns for the firewire control to route in wiring The zero curve of route causes route chaotic, it has not been convenient to on-bne repair so quoted from master switch.

Utility model content

The purpose of the utility model is to provide a kind of intelligent distribution boxes.

In order to achieve the above object, the technical solution adopted in the utility model is as follows:

A kind of intelligent distribution box comprising:

Power module, is built-in with lightning protection circuit and side has the first communication interface (100)；

Master switch, side have the first communication interface；

At least one switch-dividing, the side of the switch-dividing have the first communication interface, and an end has the pole L end of incoming cables Sub (300) and the pole N input terminal (200), another end have the pole L outlet terminal (300 ') and the pole N outlet terminal (200 '), It is internally provided with the conductor (400) of the connection pole N outlet terminal and the pole N input terminal；And

Communication module has the first communication interface and the second communication interface (500)；

The power module, the master switch, the switch-dividing and the communication module Side by side groupings and pass through described the Communication connection is realized in one communication interface grafting, and second communication interface is for connecting network.

Preferably, each input terminal and each outlet terminal include tie down screw, and the tie down screw is by screw head and spiral shell Pole socket composition, the material of the screw head are metal, and the material of the screw bolt seat is insulating materials.

Preferably, the lightning protection circuit includes: the first varistor, the second varistor, third varistor, wink State inhibits diode, the first fuse and the second fuse, and one end of the Transient Suppression Diode and ground wire connecting terminal connect It connects, the other end is separately connected one end of first varistor and one end of second varistor, the first varistor The other end connect the first fuse and arrive the pole L, for the other end the second fuse of connection of the second varistor to the pole N, third is pressure-sensitive Resistance is connected between the other end of the first varistor and the other end of the second varistor.

Preferably, the master switch includes:

Two the first breakers arranged side by side；

The side of two first breakers is arranged in leakage protection module, the leading-out terminal with first breaker Son be electrically connected and by the cooperation of the contact system of driving lever and first breaker, the leakage current for detecting route and First breaker is driven to enter gate-dividing state when having leakage current；And

The other side of two first breakers is arranged in first reclosing module, in first breaker Current transformer, which is electrically connected and passes through universal driving shaft, to be coupled, with the shaft of the handle of first breaker for detecting in route Electric current and control first breaker open operation or combined floodgate；

First breaker, the leakage protection module and the first reclosing module respectively have independent case, Constitute modular master switch；

The switch-dividing includes:

One the second breaker；And

The side of second breaker is arranged in second reclosing module, mutual with the electric current in second breaker Sensor, which is electrically connected and passes through universal driving shaft, to be coupled, for detecting the electric current in route with the shaft of the handle of second breaker And control second breaker open operation or combined floodgate；

Second breaker and the second reclosing module respectively have independent case, constitute modular separated It closes；The pole N input terminal, the pole N outlet terminal and the conductor are set to the shell where the second reclosing module Body.

Preferably, the leakage protection module includes second shell (301), zero sequence current mutual inductor (302), traction piece (306), leakage tripping device (311) and first line plate (313), the central area of a side of the second shell are provided with Arcuate socket (304), there are two electrode hole (314) for fringe region setting, and the inside of the second shell is in the one of the arcuate socket The other side of side setting pin shaft (305) and the arcuate socket is oppositely disposed limiting section (303) and the in the two sides of the pin shaft One accommodating cavity (312)；The first line plate is installed on the inside of the second shell；The zero sequence current mutual inductor is close to institute Two electrode holes are stated to be installed on the inside of the second shell and be electrically connected with the first line plate；The traction piece installation In on the pin shaft, one end passed through between the limiting section and first accommodating cavity, traction piece intersects with the arcuate socket, And traction piece reset spring is provided between the second shell；The leakage tripping device is placed in first accommodating cavity In and be electrically connected with the first line plate, the output rod of leakage tripping device is contacted with the traction piece.

Preferably, the traction piece (306) includes the axle bed (315) of substrate (317) and forming on the substrate, described One edge of substrate outwardly and downwardly extends, forms spacing auxiliary section (319) and output rod auxiliary section (320), the output rod The upper end of auxiliary section (320) extends to the axle bed, is formed with the driving lever auxiliary section of the arc cooperated with the driving lever (211) (318), the lug (316) for connecting spring is formed on the substrate.

Preferably, the first reclosing module and the second reclosing module include third shell (101), linkage One inner wall of gear (102), motor (106), gear set (104) and the second wiring board (108), the third shell is provided with Second accommodating cavity (106 ') and several wiring board mounting posts (103), another opposite inner wall are provided with motor pressure section (117) Column (118) are compressed with wiring board；The linkage gear is set in the third shell and in the rotation of circuit breaker operating handle The heart is spatially opposite, and magnetic core and universal driving shaft (107) are provided on linkage gear；The motor is placed in second accommodating cavity In, pressed and be fixed in the third shell by the motor pressure section, worm screw (105) are arranged in the output shaft of motor；It is described Gear set is set in the third shell and is meshed respectively with the worm screw and the linkage gear；Second wiring board is logical It crosses the wiring board mounting post and the wiring board compresses column and is fixed in the third shell, be electrically connected with the motor, institute It states and is provided with Hall switch (115), the rotation position for detecting the linkage gear with magnetic core cooperation on the second wiring board It sets.

Preferably, be provided on second wiring board (108) the first notch (113) passed through for the motor (106), The second notch (114) passed through for the gear set (104) and the third notch (116) passed through for the universal driving shaft, it is described Motor, the gear set and universal driving shaft correspondence run through through first notch, second notch and the third notch Second wiring board.

Preferably, the wiring board mounting post (103) including the first cylinder (1031) and is molded over first cylinder The positioning pin (1032) of front end, the front end that the wiring board compresses column (118) form the pin hole with the detent fit, institute It states and is provided with location hole on wiring board, the wiring board positions by the location hole and the detent fit and passes through institute It states wiring board mounting post and the wiring board compresses column and grips.

Compared with prior art, the utility model at least has the advantages that

The combination of this intelligent distribution box is convenient, and line clear is easy to maintain.

Detailed description of the invention

Fig. 1 is the composition schematic diagram of some embodiments of intelligent distribution box；

Fig. 2 is its wiring schematic diagram；

Fig. 3 is the structural schematic diagram of the tie down screw of its connecting terminal；

Fig. 4 is an embodiment schematic diagram of the interconnecting piece of tie down screw end；

Fig. 5 is another embodiment schematic diagram of the interconnecting piece of tie down screw end；

Fig. 6 is an embodiment circuit diagram of lightning protection circuit；

Fig. 7 is the structure chart of one embodiment of master switch；

Fig. 8 is the decomposing state figure of master switch；

Fig. 9 is the assembling schematic diagram of the motor of the first reclosing inside modules, linkage gear, gear set；

Figure 10 is the assembling schematic diagram of the second wiring board, motor, gear set；

Figure 11 is the decomposing state figure of the first reclosing module；

Figure 12 is the assembling schematic diagram that the second wiring board, wiring board mounting post and wiring board compress column；

Figure 13 is the structure chart of the first breaker；

Figure 14 is the schematic diagram of internal structure of the first breaker；

Figure 15 is the schematic diagram of one embodiment of contact system；

Figure 16 is the structure chart of leakage protection module；

Figure 17 is the schematic diagram of internal structure of leakage protection module；

Figure 18 is the structural schematic diagram of traction piece；

Figure 19 is the structure chart of switch-dividing；

Figure 20 is the decomposing state figure of switch-dividing；

Figure 21 is the schematic diagram of the connecting terminal and conductor in the second reclosing module；

Figure 22 is the structural schematic diagram of middleware.

Specific embodiment

The utility model is described further with reference to the accompanying drawings and examples.

As shown in Figure 1, this intelligent distribution box includes: power module, master switch, communication module and multiple switch-dividings.Power supply Module is built-in with lightning protection circuit, for absorbing pulse current caused by thunder and lightning in power grid.

The side of power module is provided with the first communication interface 100, equally, in master switch, switch-dividing and communication module Side be provided with the first communication interface 100, the power module, the master switch, the switch-dividing and the communication mould Block Side by side groupings and pass through 100 grafting of the first communication interface realize communication connection.Module each in this way (refers to above-mentioned total Switch, switch-dividing, communication module, power module) between do not need to connect by cable, only need to by push module make it is mutual it Between 100 grafting of the first communication interface, combine it is simple and convenient.

It is additionally provided with the second communication interface 500 in communication module, for connecting network.

One end of switch-dividing has the pole L input terminal 300 and the pole N input terminal 200, another end has the pole L Outlet terminal 300 ' and the pole N outlet terminal 200 ' are internally provided with the connection pole N input terminal 200 and the pole N leading-out terminal The conductor 400 of son 200 '.In this way, all having hot terminal in each switch-dividing, (connecting terminal herein refers to inlet wire Terminal and outlet terminal) and zero curve connecting terminal, in wiring, as shown in Fig. 2, the firewire and zero curve of route 1 are quoted from one point Switch, the firewire and zero curve of route 2 are quoted from a switch-dividing, and the firewire and zero curve of route 3 are quoted from a switch-dividing, class according to this It pushes away, line clear is regular, greatly facilitates later period line maintenance.

Master switch, switch-dividing include input terminal and outlet terminal on power module, these input terminals and each outlet Terminal includes tie down screw, realizes electrical connection for outer lead and inner lead to be locked on terminal.In the prior art, Tie down screw uses the screw rod of metal material, and since screw rod is in contact with conducting wire, screw rod itself is charged, if accidentally touched Screw rod will cause electric shock accidents, and in order to avoid electric shock, existing way is that the accommodating hole of screw rod is made to relatively deep or is being held Increase protective cover at son, but will affect equipment appearance, and still have electric shock risk.For this purpose, the present invention devise it is a kind of dedicated Tie down screw, as shown in figure 3, the tie down screw is made of screw head 401 and screw bolt seat 402, the material of the screw head 401 is Metal, the material of the screw bolt seat 402 are insulating materials, preferably plastics.Screw flight part is preferably but not limited to setting and exists Metal part.In conjunction with Fig. 3, Fig. 4 and Fig. 5, the end of screw head 401 is provided with interconnecting piece 4011, the front end packet of screw bolt seat 402 The surrounding's clinkering for being rolled in the interconnecting piece 4011 is fixed, and the two is coupled as one.In order to reinforce screw head 401 and screw bolt seat 402 reliabilities being coupled avoid screwing both middle disengagement, vertical concave and convex stripe are distributed in the side wall of the interconnecting piece 4011 4012.In the embodiment shown in fig. 4, interconnecting piece 4011 is designed as cylinder.In the embodiment shown in fig. 5, interconnecting piece 4011 designs Be it is I-shaped, have better reliability.

As shown in fig. 6, the lightning protection circuit used in preferred embodiment include: the first varistor R11, it is second pressure-sensitive Resistance R9, third varistor R10, Transient Suppression Diode G1, the first fuse TF1 and the second fuse TF2, the transient state Inhibit that one end of diode G1 is connect with ground wire connecting terminal, the other end is separately connected one end of the first varistor R11 With one end of the second varistor R9, the other end of the first varistor R11 connects the first pole fuse TF1 to L, and second The other end of varistor R9 connects the second pole fuse TF2 to N, and third varistor R10 is connected to the first varistor R11 The other end and the second varistor R9 the other end between.Transient Suppression Diode has the response time being exceedingly fast (subnanosecond grade) and quite high surge absoption ability can be with high when its both ends are subjected to the high energy impact events of moment Impedance value between both ends is become Low ESR from high impedance by speed, to absorb an instantaneous large-current, its both end voltage pincers System one it is scheduled numerically, to protect impact of the subsequent circuit element not by high voltage transient spike.In circuit The first fuse TF1 and the second fuse TF2 can prevent third varistor R10 short-circuit failure from causing fire.

It further is additionally provided with failure detection circuit in the lightning protection circuit, the failure detection circuit includes optocoupler U3, the optocoupler U3 are connected to the both ends of the third varistor R10, when lightning protection is normal, the optocoupler U3 conducting, Export low level；After lightning protection failure, the optocoupler U3 is not turned on, exports high level, so as in lightning protection circuit It is timely found after failure.

Fig. 7, Fig. 8 are please referred to, an embodiment master switch includes: 1, two the first breaker 2 of the first reclosing module, electric leakage Protective module 3 is provided with trim 4 in their upper end, and left and right sides portion is provided with the first communication interface 100.

Two the first breakers 2 are arranged side by side, and are respectively used to control firewire and zero curve.

The side of two first breakers 2 is arranged in leakage protection module 3, passes through auxiliary electrode 215 and described the The outlet terminal of one breaker 2 is electrically connected and passes through the contact system cooperation of driving lever 211 and first breaker 2, for examining The leakage current on survey line road simultaneously drives first breaker 2 to enter gate-dividing state when there is leakage current.

The other side of two first breakers 2 is arranged in first reclosing module 1, in first breaker 2 Current transformer be electrically connected and pass through universal driving shaft 107 and be coupled, with the shaft of the handle of first breaker 2 for detecting Electric current and control 2 separating brake of the first breaker or combined floodgate in route.

First breaker 2, the leakage protection module 3 and the first reclosing module 1 respectively have independent shell Body constitutes modular master switch.Using this modular master switch, when a certain module failure, failure mould is directly replaced Block is safeguarded very convenient.

Fig. 9, Figure 10, Figure 11 are please referred to, the first reclosing of embodiment module 1 includes third shell 101, linkage gear 102, motor 106, gear set 104 and the second wiring board 108.

Wherein, an inner wall of third shell 101 is provided with the second accommodating cavity 106 ', another opposite inner wall is provided with Motor pressure section 117,106 holding of motor press fixation in the second accommodating cavity 106 ' and by the motor pressure section 117, i.e., Motor 106 is installed using inlay card mode.

One inner wall of third shell 101 is additionally provided with several wiring board mounting posts 103, another opposite inner wall is also set It is equipped with wiring board and compresses column 118, the second wiring board 108 compresses column 118 by the wiring board mounting post 103 and the wiring board It is fixed in third shell 101.Using which, the installation of wiring board is simpler.Referring to Fig.1 2, preferably, the route Plate mounting post 103 includes the positioning pin 1032 of the first cylinder 1031 and the front end for being molded over first cylinder 1031, the line The front end that road plate compresses column 118 forms the pin hole with the positioning pin 1032 cooperation, is provided with positioning on the second wiring board 108 Hole, the second wiring board 108 are positioned by the location hole and the cooperation of the positioning pin 1032 and pass through the wiring board mounting post 103 and the wiring board compress column 118 and grip.As it can be seen that wiring board is not required to be positioned, be fixed using screw, installation and It dismantles more convenient.

Linkage gear 102 is spatially opposite with the center of rotation of circuit breaker operating handle, is provided on linkage gear 102 Magnetic core (not shown) and universal driving shaft 107, the output shaft of motor 106 are arranged worm screw 105, gear set 104 respectively with the worm screw 105 It is meshed with the linkage gear 102, when motor works, passes through the worm screw 105, the gear set 104, the linkage gear 102 drive universal driving shaft 107 to rotate synchronously.

Hall switch 115 is provided on second wiring board 108, Hall switch 115 is matched with the magnetic core on linkage gear 102 It closes, detects the turned position of the linkage gear 102, feed back to the second wiring board, after reaching closing position or open position Motor 106 is controlled to stop.

Please refer to Figure 10, Figure 11, be provided on the second wiring board 108 the first notch 113 passed through for the motor 106, The second notch 114 passed through for the gear set 104 and the third notch 116 passed through for the universal driving shaft, the motor 106, the gear set 104 and the universal driving shaft are corresponding through first notch 113, second notch 114 and the third Notch 116 runs through the second wiring board 108.In this way, not only third enclosure interior arrangement of parts is regular orderly and can make reclosing Module integral thickness is smaller, to be conducive to the miniaturization of intelligent switch.

Fig. 9, Figure 11 are please referred to, gear set 104 is by 112 3 first gear 110, second gear 111 and third gear teeth Wheel composition, wherein first gear 110 has worm gear part, is meshed with worm screw 105, the third gear teeth 112 are nibbled with 102 phase of linkage gear It closes, second gear 111 is meshed with first gear and second gear respectively.In this way, the shaft of motor 106 and 107 phase of universal driving shaft Vertically, the setting of motor 106 is mounted in third shell, is conducive to the thickness for reducing third shell.

Please refer to Figure 13, Figure 14, Figure 15, first breaker of embodiment 2 includes: first shell 201 and is mounted on Short current protective mechanism 203, overload protecting mechanism 212, contact system 209, operation handle 207 and auxiliary electricity in one shell 201 Pole 215.

Operation handle 207 is installed in first shell 201 by first axle 206, handle portion is from one of first shell 201 End is stretched out.Contact system 209 is installed on the middle part of first shell 201 by the second axis 210, on the one hand by an interlocking bar 208 are linked with the operation handle 207, when operation handle is rotated around first axle 206, drive interlocking bar 208 to act, in turn It rotates counterclockwise or rotates clockwise around the second axis 210 with movable contact system 209 by interlocking bar 208, realize separating brake or combined floodgate.

Contact system 209 is also linked by another interlocking bar 208 with overload protecting mechanism 212, the overload protection Mechanism 212 is bimetal leaf, when circuit is in overload fault, right direction Bending Deformation of the bimetal leaf into Figure 14, and band Dynamic interlocking bar 208 moves right, and then rotates counterclockwise with movable contact system 209 around the second axis 210, enters the first breaker Gate-dividing state.

Short current protective mechanism 203 is magnetictrip, and coil is connected between stationary contact and input terminal 202, defeated The end of rod 204 and the contact system 209 are opposite, and when circuit is in short trouble, the magnetic field that coil generates pushes defeated Right direction of the rod 204 into Figure 14 moves, and contact system 209 is pushed to rotate counterclockwise around the second axis 210, makes the first open circuit Device enters gate-dividing state.

One end of auxiliary electrode 215 is connected with output terminal 214, the other end is pierced by from the side wall of first shell 201 and with The side wall is vertical.In this way, auxiliary electrode 215 can be directly protruding into leakage protection module 3 when combining with leakage protection module 3 Interior, combination is more convenient.

First axle 206 is provided with attachment 205, attachment 205 and aforementioned universal driving shaft 107 (see Fig. 9) cooperation along its axial direction, The first reclosing module 1 driving operation handle 207 is rotated, and then contact system 209 is driven to realize separating brake and combined floodgate.

Be provided with the driving lever 211 parallel with second axis 210 on contact system 209,211 one side of driving lever be used for Traction piece cooperation in leakage protection module 3 realizes that two break on the other hand for being coupled with the driving lever in another breaker The linkage of road device.An embodiment of contact system 209 is shown in Figure 15, wherein 219 be the second axis 210 mounting hole, 220, 221 be the pin hole with the cooperation of two interlocking bar 208.

Be provided with the first current transformer 213 in wherein first breaker 2, first current transformer 213 with Wiring board in reclosing module 1 is connected, and samples to by the electric current of the breaker, realizes current monitoring and electricity Statistics.

Through-hole is offered at corresponding first current transformer 213 in the side of first shell, the first current transformer 213 takes Line-transect is connected through the through-hole with the wiring board in reclosing module.The through-hole makes current transformer to reclosing module Cabling is more convenient.

Figure 16, Figure 17 are please referred to, an embodiment leakage protection module includes: second shell 301, zero sequence current mutual inductor 302, traction piece 306, leakage tripping device 311 and first line plate 313.The central area of one side of second shell 301 is set Arcuate socket 304, fringe region setting are equipped with there are two electrode hole 314, the inside of the second shell 301 is in the arcuate socket Pin shaft 305 is arranged in 304 side and the other side of the arcuate socket 304 is oppositely disposed limit in the two sides of the pin shaft 305 Portion 303 and the first accommodating cavity 312.The first line plate 313 is installed on the inside of the second shell 301.The zero sequence electricity Current transformer 302 close to described two electrode holes 314 be installed on the second shell 301 inside and with the first line Plate electrical connection.The traction piece 306 is installed on the pin shaft 305, one end is from the limiting section 303 and first accommodating cavity It is passed through between 312, traction piece, which intersects with the arcuate socket 304 and is provided with traction piece between the second shell, resets bullet Spring (not shown).The leakage tripping device 311 is placed in first accommodating cavity 312 and is electrically connected with the first line plate It connects, the output rod 307 of leakage tripping device is contacted with the traction piece 306.

Zero sequence current mutual inductor 302 samples the electricity from the auxiliary electrode 215 (see Fig. 8) that described two electrode holes 14 protrude into Stream, sampled data inputs first line plate 313, and when there is leakage current, leakage tripping device 311, which generates magnetic field, makes output rod 307 Left side ejection into Figure 17, pushes traction piece 306 to rotate clockwise around pin shaft 305, and the rotation of traction piece 306 drives breaker Arcuately hole 304 rotates the driving lever 211 (see Figure 14) on contact system, unlocks the contact system of breaker, breaker Gate-dividing state is switched to, at this point, traction piece 306 is limited the blocking of portion 303, will not continue to rotate.After leakage current disappears, electric leakage is de- It detains the magnetic field that device 311 generates to disappear, output rod 307 bounces back, and under the action of traction piece reset spring, traction piece 306 is around pin shaft 305 rotate counterclockwise, homing, and breaker is allow to be closed a floodgate.

Leakage protection module 3 further comprises earth leakage protective mechanism for testing, please refers to Figure 17, the earth leakage protective test Mechanism include be arranged in second shell 301 spatially with respect to and mutually two sheet metals 308 and 310 across a certain distance, And the testing button 309 for pushing described two sheet metals to contact in the second shell 301 is set, it is described two Sheet metal is electrically connected with the leakage tripping device 311.When test, testing button is pressed, makes two sheet metal conductings, electric leakage tripping Device generates simulation electric leakage magnetic field, makes left side ejection of the output rod 307 into Figure 17, and the above-mentioned movement of output rod will push breaker Into gate-dividing state.Testing button 309 is equipped with pressure spring (not shown) below, and after discharging testing button, the elastic force of pressure spring makes to survey Examination button resets upwards, and two sheet metals restore to off-state.

One that traction piece 306 is shown in Figure 18 implements structure.Referring to Fig.1 8, the traction piece include substrate 317 and at Axle bed 315 of the shape on the substrate 317, an edge of the substrate 317 outwardly and downwardly extend, form spacing auxiliary section 319 and output rod auxiliary section 320, the upper end of the output rod auxiliary section 320 extends to the axle bed 315, is formed with and open circuit The driving lever auxiliary section 318 of the arc of driving lever 211 (see Figure 14) cooperation on device, is formed with for connecting bullet on the substrate 317 The lug 316 of spring.The traction piece is using the spacing auxiliary section of plate and output rod auxiliary section and the driving lever auxiliary section of arc 318, so that it is more reliable with the cooperation of the output rod 307 of leakage tripping device 311, limiting section 303 and driving lever 211, so as to Further increase earth leakage protective reliability.

As shown in Figure 19, Figure 20, switch-dividing includes: second breaker 5 and the second reclosing module 6, is broken second The upper end of road device 5 and the second reclosing module 6 is provided with switch-dividing trim 7, and the left and right sides portion of switch-dividing is respectively set One communication interface 100,100 ' be communication board in figure.The side of second breaker 5 is arranged in second reclosing module 6, with Current transformer in second breaker 5 is electrically connected and passes through the handle of universal driving shaft 107 and second breaker 5 Shaft is coupled, for detecting the electric current in route and controlling 5 separating brake of the second breaker or combined floodgate.Second breaker 5 and the second reclosing module 6 respectively have independent case, constitute modular switch-dividing；The pole N input terminal 200 (see Fig. 1), the pole N outlet terminal 200 ' (see Fig. 1) and the conductor 400 (see Fig. 1) are set to the second reclosing mould Shell where block 6.Using this modular switch-dividing, when a certain module failure, malfunctioning module, dimension are directly replaced It protects very convenient.

The construction of second breaker is identical as the construction of aforementioned first breaker, and which is not described herein again.

The construction of second reclosing module is essentially identical with the construction of the first reclosing module.Figure 21 shows the second coincidence The internal structure of lock module.Referring to Figure 21, the second reclosing module 6 is increased on shell on the basis of the first reclosing module The pole N input terminal 200, the pole N outlet terminal 200 ' are added, conductor 400 are increased in shell.And be provided in shell every From forming a wire casing 123 between plate 122, isolation board 122 and the bottom wall of shell, conductor (conductive sheet) 400 is arranged in the wire casing, Both ends extend to the pole N input terminal 200, the pole N outlet terminal 200 '.The other structures and the first reclosing of second reclosing module Module is identical, and which is not described herein again.Pass through isolation board, it is possible to reduce get an electric shock when interference and preventive maintenance.

Fig. 1, Fig. 2 are please referred to, the mode of connection of above-mentioned intelligent distribution box is as follows:

First communication interface 100 is plugged, the power module, the master switch, the switch-dividing and institute are made State communication module communication connection；

Second communication interface 500 is connected to gateway by cable；

By conducting wire by the pole the L leading-out terminal of the pole the L input terminal 300 of each switch-dividing and the pole N input terminal 200 and master switch Son is corresponding with the pole N outlet terminal to connect, and by the pole the L outlet terminal 300 ' of each switch-dividing and the pole N outlet terminal 200 ' with it is right The route answered connects.As can be seen that its wiring is simple, and route is very clear, convenient to overhaul.

In some embodiments, the first communication interface of a side use multiway mother attachment base, the first of the other side Communication interface uses multiway public affairs attachment base, multiway mother attachment base and the direct grafting of the male attachment base of multiway.In further embodiments, First communication interface of two sides is multiway mother attachment base or is the male attachment base of multiway, and when grafting passes through a centre Part realizes the grafting of the two, as shown a kind of middleware in Figure 22, for two multiway mother's attachment bases to be connected.

The utility model is described in detail above by specific embodiment, these detailed description are only limited to The content of the utility model is helped skilled in the art to understand, the limit to scope of protection of the utility model can not be interpreted as System.Those skilled in the art should all wrap various retouchings, the equivalent transformation etc. that above scheme carries out under the utility model design Containing within the protection scope of the present utility model.

Claims (9)

1. a kind of intelligent distribution box characterized by comprising

Power module, is built-in with lightning protection circuit and side has the first communication interface (100)；

Master switch, side have the first communication interface；

At least one switch-dividing, the side of the switch-dividing have the first communication interface, and an end has the pole L input terminal (300) and the pole N input terminal (200), another end are interior with the pole L outlet terminal (300 ') and the pole N outlet terminal (200 ') Portion is provided with the conductor (400) of the connection pole N outlet terminal and the pole N input terminal；And

Communication module has the first communication interface and the second communication interface (500)；

The power module, the master switch, the switch-dividing and the communication module Side by side groupings and logical by described first Communication connection is realized in communication interface grafting, and second communication interface is for connecting network.

2. intelligent distribution box according to claim 1, which is characterized in that each input terminal and each outlet terminal include lock Tight screw rod, the tie down screw are made of screw head and screw bolt seat, and the material of the screw head is metal, the material of the screw bolt seat Matter is insulating materials.

3. intelligent distribution box according to claim 1, which is characterized in that the lightning protection circuit includes: first pressure-sensitive Resistance, the second varistor, third varistor, Transient Suppression Diode, the first fuse and the second fuse, the transient state One end of diode is inhibited to connect with ground wire connecting terminal, the other end is separately connected one end of first varistor and described One end of second varistor, the other end of the first varistor connect the first fuse to the pole L, the second varistor it is another End connects the second fuse to the pole N, and third varistor is connected to the other end and the second pressure-sensitive electricity of the first varistor Between the other end of resistance.

4. intelligent distribution box according to claim 1, which is characterized in that

The master switch includes:

Two the first breakers arranged side by side；

The side of two first breakers is arranged in leakage protection module, the outlet terminal electricity with first breaker It connects and passes through the contact system cooperation of driving lever and first breaker, the leakage current for detecting route and having leakage First breaker is driven to enter gate-dividing state when electric current；And

The other side of two first breakers is arranged in first reclosing module, with the electric current in first breaker Mutual inductor, which is electrically connected and passes through universal driving shaft, to be coupled, for detecting the electricity in route with the shaft of the handle of first breaker Flow and control first breaker open operation or combined floodgate；

First breaker, the leakage protection module and the first reclosing module respectively have independent case, constitute Modular master switch；

The switch-dividing includes:

One the second breaker；And

The side of second breaker is arranged in second reclosing module, with the current transformer in second breaker Be electrically connected and pass through universal driving shaft be coupled with the shaft of the handle of second breaker, for detect electric current in route and Control second breaker open operation or combined floodgate；

Second breaker and the second reclosing module respectively have independent case, constitute modular switch-dividing；Institute State the shell that the pole N input terminal, the pole N outlet terminal and the conductor are set to where the second reclosing module.

5. intelligent distribution box according to claim 4, which is characterized in that the leakage protection module includes second shell (301), zero sequence current mutual inductor (302), traction piece (306), leakage tripping device (311) and first line plate (313),

Electrode there are two the central area of one side of the second shell is provided with arcuate socket (304), fringe region is arranged The another of pin shaft (305) and the arcuate socket is arranged in the side of the arcuate socket in hole (314), the inside of the second shell Side is oppositely disposed limiting section (303) and the first accommodating cavity (312) in the two sides of the pin shaft；

The first line plate is installed on the inside of the second shell；

The zero sequence current mutual inductor close to described two electrode holes is installed on the inside of the second shell and with described first Circuit board electrical connection；

The traction piece is installed on the pin shaft, one end passes through between the limiting section and first accommodating cavity, traction Part intersects with the arcuate socket and is provided with traction piece reset spring between the second shell；

The leakage tripping device is placed in first accommodating cavity and is electrically connected with the first line plate, leakage tripping device Output rod contacted with the traction piece.

6. intelligent distribution box according to claim 5, which is characterized in that the traction piece (306) include substrate (317) and The axle bed (315) of forming on the substrate, an edge of the substrate outwardly and downwardly extends, forms spacing auxiliary section (319) and output rod auxiliary section (320), the upper end of the output rod auxiliary section (320) extends to the axle bed, is formed with and institute The driving lever auxiliary section (318) of the arc of driving lever (211) cooperation is stated, the lug for connecting spring is formed on the substrate (316)。

7. intelligent distribution box according to claim 4, which is characterized in that the first reclosing module and second weight Combined floodgate module includes third shell (101), linkage gear (102), motor (106), gear set (104) and the second wiring board (108),

One inner wall of the third shell is provided with the second accommodating cavity (106 ') and several wiring board mounting posts (103), opposite Another inner wall be provided with motor pressure section (117) and wiring board compresses column (118)；

The linkage gear is set in the third shell, is spatially opposite with the center of rotation of circuit breaker operating handle, Magnetic core and universal driving shaft (107) are provided on linkage gear；

The motor is placed in second accommodating cavity, is pressed by the motor pressure section and be fixed on the third shell Interior, worm screw (105) are arranged in the output shaft of motor；

The gear set is set in the third shell and is meshed respectively with the worm screw and the linkage gear；

Second wiring board compresses column by the wiring board mounting post and the wiring board and is fixed in the third shell, It is electrically connected with the motor, Hall switch (115) is provided on second wiring board, for cooperating detection institute with the magnetic core State the turned position of linkage gear.

8. intelligent distribution box according to claim 7, which is characterized in that be provided with confession on second wiring board (108) It the first notch (113) that the motor (106) passes through, the second notch (114) passed through for the gear set (104) and supplies The third notch (116) that the universal driving shaft passes through, the motor, the gear set and the universal driving shaft are corresponding to be lacked through described first Mouth, second notch and the third notch run through the second wiring board.

9. intelligent distribution box according to claim 7, which is characterized in that the wiring board mounting post (103) includes first Cylinder (1031) and be molded over first cylinder front end positioning pin (1032), before the wiring board compresses column (118) End forms the pin hole with the detent fit, location hole is provided on the wiring board, it is described fixed that the wiring board passes through Position hole and the detent fit position and compress column by the wiring board mounting post and the wiring board and grip.