CN209344001U - A kind of master switch of intelligent distribution box - Google Patents

Abstract

A kind of master switch of intelligent distribution box; it includes two breakers, reclosing module and leakage protection module, and the breaker includes first shell and is mounted on the intracorporal short current protective mechanism of first shell, overload protecting mechanism, contact system, operation handle and auxiliary electrode；The leakage protection module includes second shell and is installed on the intracorporal zero sequence current mutual inductor of second shell, traction piece, leakage tripping device and first line plate；The reclosing module includes third shell and is mounted on the intracorporal linkage gear of third shell, motor, gear set and the second wiring board；The side of two breakers, the attachment assembly of the universal driving shaft and two breakers is arranged in reclosing module；The other side of two breakers is arranged in leakage protection module, and the driving lever and the auxiliary electrode protrude into leakage protection module, match with the traction piece and the zero sequence current mutual inductor.The construction of switch is simple, assembly is easy to maintain.

Description

A kind of master switch of intelligent distribution box

Technical field

The utility model relates to the small distribution case of indoor power supply, the master switch of specifically a kind of intelligent distribution box.

Background technique

The small distribution case of indoor power supply is usually embedded in wall, is made of master switch and at least one switch-dividing.For There is the small distribution case using intelligent switch in adaptation Internet of Things, can with the switch closing and switch opening of remote control switch.It is existing Intelligent switch, combined floodgate motor is usually increased in original master switch or switch-dividing come drive contact system realize close a floodgate and Separating brake, this kind of construction of switch is complicated, maintenance is inconvenient.

Utility model content

The purpose of the utility model is to provide a kind of master switch of intelligent distribution box, and the master switch structure is simple, assembly and It is easy to maintain.

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

A kind of master switch of intelligent distribution box comprising two breakers (2), reclosing module (1) and earth leakage protective mould Block (3)；

The breaker (2) includes first shell (201) and is mounted on the intracorporal short current protective mechanism of first shell (203), overload protecting mechanism (212), contact system (209), operation handle (207) and auxiliary electrode (215), the manipulator Handle is installed in first shell by first axle (206), handle portion (222) is stretched out from an end of first shell, the touching Head system passes through the second axis (210) and is installed on the middle part of first shell and respectively by interlocking bar (208) and the operation handle It is linked with the overload protecting mechanism, end and the contact system phase of the output rod (204) of the short current protective mechanism It is right, one end of the auxiliary electrode is connected with output terminal (214), the other end is pierced by from the side wall of first shell and with the side wall Vertically, the first axle is provided with attachment (205) along its axial direction, is provided on the contact system equal with second axis Capable driving lever (211) is provided with the first current transformer (213) in a breaker；

The leakage protection module (3) includes second shell (301) and to be installed on the intracorporal zero-sequence current of second shell mutual One side of sensor (302), traction piece (306), leakage tripping device (311) and first line plate (313), second shell opens up Have an arcuate socket (304) and two electrode holes (314), the inside of second shell in the side of arcuate socket setting pin shaft (305), And the other side of the arcuate socket is oppositely disposed limiting section (303) and the first accommodating cavity (312) in the two sides of the pin shaft, zero Sequence current transformer is electrically connected close to the electrode hole and with first line plate, traction piece is installed on the pin shaft, one end from It is passed through between the limiting section and first accommodating cavity, traction piece intersects with the arcuate socket and sets between second shell It is equipped with traction piece reset spring, leakage tripping device is placed in the first accommodating cavity and is electrically connected with first line plate, electric leakage tripping The output rod (307) of device is contacted with the traction piece；

The reclosing module (1) includes third shell (101) and is mounted on the intracorporal linkage gear of third shell (102), an inner wall of motor (106), gear set (104) and the second wiring board (108), third shell is provided with the second accommodating Chamber (106 ') and several wiring board mounting posts (103), another opposite inner wall are provided with motor pressure section (117) and wiring board Compress column (118)；The center of rotation of linkage gear and circuit breaker operating handle is spatially opposite, and magnetic is provided on linkage gear Core and universal driving shaft (107), motor holding press fixation, the output of motor in the second accommodating cavity and by the motor pressure section Worm screw (105) are arranged in axis, and gear set is meshed with the worm screw and the linkage gear respectively；Second wiring board passes through the line Road plate mounting post and the wiring board compress column and are fixed in third shell, are electrically connected with the motor, set on the second wiring board It is equipped with Hall switch (115), the turned position for detecting the linkage gear with magnetic core cooperation；

Two breakers are arranged side by side, and the side of two breakers, the linkage is arranged in reclosing module The attachment of axis and two breakers is assembled, and first line plate is connected with the first current transformer；Leakage protection module The other side of two breakers is set, the driving lever and the auxiliary electrode of breaker protrude into leakage protection module, It is matched with the traction piece and the zero sequence current mutual inductor.

Preferably, the left side and right side of the master switch are provided with communication interface (5).

Preferably, a side of the breaker, reclosing module and leakage protection module is provided with positioning convex column (6), another side is provided with location indentations.

Preferably, through-hole (217), the first electric current are offered at corresponding first current transformer in the side of the first shell The sample line of mutual inductor is connected through the through-hole with the wiring board in reclosing module.

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

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.

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

Using modular construction, master switch is constituted after each module simple concatenation, any module failure only needs to change generation The module of failure, it is easy to maintenance.For its intermodule by the cooperation such as universal driving shaft, driving lever, auxiliary electrode, installation combination is convenient. Its motor, leakage tripping device are installed by inlay card mode and shell, and installation and removal are convenient.It is protected with short-circuit protection, electric leakage The functions such as shield, overload protection, automatic closing separating brake, current monitoring.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the master switch of preferred embodiment intelligent distribution box；

Fig. 2 is its explosive view；

Fig. 3 is the structural schematic diagram of reclosing module；

Fig. 4 is motor, linkage gear, universal driving shaft, gear set in the intracorporal assembling schematic diagram of third shell；

Fig. 5 is the second wiring board in the intracorporal assembling schematic diagram of third shell；

Fig. 6 is the explosive view of reclosing module, and linkage gear, universal driving shaft and worm screw is not shown in the figure；

Fig. 7 is the assembling schematic diagram that the second wiring board, wiring board mounting post and wiring board compress column；

Fig. 8 is the structural schematic diagram of a side of breaker；

Fig. 9 is the structural schematic diagram of another side of breaker；

Figure 10 is the schematic diagram of internal structure of breaker；

Figure 11 is the structural schematic diagram of the contact system of breaker；

Figure 12 is the structural schematic diagram of the operation handle of breaker；

Figure 13 is the structural schematic diagram of a side of leakage protection module；

Figure 14 is the schematic diagram of internal structure of leakage protection module；

Figure 15 is the structural schematic diagram of traction piece.

Specific embodiment

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

Referring to Fig.1 and 2, the master switch of this intelligent distribution box includes two breakers 2, reclosing module 1 and electric leakage Protective module 3, four are arranged side by side, and reclosing module 1 is located at the left side of two breaker modules 2, and leakage protection module 3 is located at The right side of two breakers 2, top are provided with trim 4, and the left side and right side of master switch are provided with communication interface 5, lead to The other devices (such as communication module, switch-dividing) for crossing communication interface 5 and the master switch two sides communicate.

Referring to figure 3. to Fig. 7, reclosing module 1 includes third shell 101 and the connection being mounted in third shell 101 Moving 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. 7, preferably, the wiring board Mounting post 103 includes the positioning pin 119 of the first cylinder 120 and the front end for being molded over first cylinder 120, and the wiring board supports The front end of compression leg 118 forms the pin hole with the positioning pin 119 cooperation, is provided with location hole on the second wiring board 108, and second Wiring board 108 is positioned by the location hole and the cooperation of the positioning pin 119 and passes through the wiring board mounting post 103 and institute It states wiring board and compresses column 118 and grip.As it can be seen that wiring board is not required to be positioned, be fixed using screw, installation and removal are more It is convenient.Indicator light 109 is provided in reclosing module 1.

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.

Referring to figure 5., Fig. 6 is provided with the first notch 113 passed through for the motor 106 on the second wiring board 108, supplies The second notch 114 that the gear set 104 passes through 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 run 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.

Referring to figure 4., Fig. 6, gear set 104 is by 112 3 first gear 110, second gear 111 and third gear gears 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.

Fig. 8-Figure 12 is please referred to, breaker 2 includes that first shell 201 and the short circuit being mounted in first shell 201 are protected Protect mechanism 203, overload protecting mechanism 212, contact system 209, operation handle 207 and auxiliary electrode 215.

Operation handle 207 is installed in first shell 201 by first axle 206, handle portion 222 is from first shell 201 One 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 a connection Lever 208 is linked with the operation handle 207, when operation handle is rotated around first axle 206, interlocking bar 208 is driven to act, And then rotate counterclockwise or rotate clockwise around the second axis 210 with movable contact system 209 by interlocking bar 208, realize separating brake or It closes a 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 10, and band Dynamic interlocking bar 208 moves right, and then rotates counterclockwise with movable contact system 209 around the second axis 210, and breaker is made to enter separating brake 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 10 moves, push contact system 209 rotated counterclockwise around the second axis 210, make breaker into Enter 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. 4) cooperation along its axial direction, Make reclosing module 1 that operation handle 207 be driven to rotate, and then contact system 209 is driven to realize separating brake and combined floodgate.It is shown in Figure 12 One embodiment of operation handle 207, as seen from Figure 12, one end of the operation handle are operation portion 222, and the other end is a cylinder Structure, the both ends of the cylindrical structure protrude outward to form the first axle 206 respectively, open up section at the center of first axle 206 For the attachment 205 of triangle, the side of cylindrical structure offers the first pin hole 223, and one end of above-mentioned interlocking bar 208 is installed on In first pin hole 223.

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 11, wherein 219 be the second axis 210 mounting hole, 220, 221 be the pin hole with the cooperation of two interlocking bar 208.

The first current transformer 213 is provided in a wherein breaker 2, first current transformer 213 be overlapped First line plate in lock module 1 is connected, and samples to by the electric current of the breaker, realizes current monitoring and electricity Statistics.

Referring to Fig. 8, through-hole 217 is offered at corresponding first current transformer 213 in the side of first shell, the first electric current is mutual The sample line of sensor 213 is connected through the through-hole 217 with the wiring board in reclosing module.Make electricity by the through-hole 217 The cabling of current transformer to reclosing module is more convenient.

Figure 13-Figure 15 is please referred to, leakage protection module 3 includes second shell 301 and is installed in second shell 301 Zero sequence current mutual inductor 302, traction piece 306, leakage tripping device 311 and first line plate 313.

One side of second shell 301 offers arcuate socket 304 and two electrode holes 314, the inside of second shell 301 In the other side of the side of the arcuate socket 304 setting pin shaft 305 and the arcuate socket 304 in the two sides phase of the pin shaft 305 Limiting section 303 and the first accommodating cavity 312 are set over the ground.Zero sequence current mutual inductor 302 is close to the electrode hole 314 and and First Line Road plate 313 is electrically connected, and traction piece 306 is installed on the pin shaft 305, one end is accommodated from the limiting section 303 and described first It is passed through between chamber 312, traction piece 306, which intersects with the arcuate socket 304 and is provided with traction piece between second shell 301, answers Position spring (not shown), leakage tripping device 311 are placed in the first accommodating cavity 312 and are electrically connected with first line plate 313, leak The output rod 307 of electric buckle releaser 311 is contacted with the traction piece 306.

Zero sequence current mutual inductor 302 samples the electricity from the auxiliary electrode 215 (see Fig. 9) 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 14, 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 11) 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 14, 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 14, and the above-mentioned movement of output rod will push breaker 2 enter 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 15 implements structure.Referring to Fig.1 5, 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 11) 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.

With further reference to Fig. 1, Fig. 2, two breakers 2 are arranged side by side, and the setting of reclosing module 1 is described disconnected at two The attachment 205 of the left side of road device 2, the universal driving shaft 107 and two breakers 2 is assembled；The setting of leakage protection module 3 exists The right side of two breakers 2, the driving lever 211 and the auxiliary electrode 215 of breaker 2 protrude into leakage protection module 3, It is matched with the traction piece 306 (see Figure 14) and the zero sequence current mutual inductor 302 (see Figure 14).

Referring to figure 2., Fig. 8, Figure 13 are protected in a side of breaker 2, a side of reclosing module 1 and electric leakage One side of shield module 3 is provided with positioning convex column 6, another side is provided with the location indentations (not shown) of cooperation.Positioning Location indentations cooperation on pillar 6 and adjacent block may be implemented the quick positioning of two modules and avoid sending out between module Raw lateral displacement.

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 (6)

1. a kind of master switch of intelligent distribution box, it is characterised in that: including two breakers (2), reclosing module (1) and electric leakage Protective module (3),

The breaker (2) includes first shell (201) and is mounted on the intracorporal short current protective mechanism of first shell (203), mistake Carry protection mechanism (212), contact system (209), operation handle (207) and auxiliary electrode (215), the operation handle passes through the One axis (206) is installed in first shell, handle portion (222) is stretched out from an end of first shell, and the contact system is logical It crosses the second axis (210) and is installed on the middle part of first shell and respectively by interlocking bar (208) and the operation handle and the mistake It carries protection mechanism to be linked, the end of the output rod (204) of the short current protective mechanism is opposite with the contact system, described auxiliary One end of electrode is helped to be connected with output terminal (214), the other end is pierced by from the side wall of first shell and vertical with the side wall, described First axle is provided with attachment (205) along its axial direction, and the driving lever parallel with second axis is provided on the contact system (211), the first current transformer (213) are provided in a breaker；

The leakage protection module (3) includes second shell (301) and is installed on the intracorporal zero sequence current mutual inductor of second shell (302), a side of traction piece (306), leakage tripping device (311) and first line plate (313), second shell offers arc Pin shaft (305) and institute is arranged in the side of the arcuate socket in the inside of shape hole (304) and two electrode holes (314), second shell The other side for stating arcuate socket is oppositely disposed limiting section (303) and the first accommodating cavity (312), zero sequence electricity in the two sides of the pin shaft Current transformer is electrically connected close to the electrode hole and with first line plate, and traction piece is installed on the pin shaft, one end is from described It is passed through between limiting section and first accommodating cavity, traction piece intersects with the arcuate socket and is provided between second shell Traction piece reset spring, leakage tripping device are placed in the first accommodating cavity and are electrically connected with first line plate, leakage tripping device Output rod (307) is contacted with the traction piece；

The reclosing module (1) include third shell (101) and be mounted on the intracorporal linkage gear of third shell (102), electricity One inner wall of machine (106), gear set (104) and the second wiring board (108), third shell is provided with the second accommodating cavity (106 ') Several wiring board mounting posts (103), another opposite inner wall are provided with motor pressure section (117) and wiring board compresses column (118)；The center of rotation of linkage gear and circuit breaker operating handle is spatially opposite, and magnetic core and connection are provided on linkage gear Moving axis (107), motor holding press fixation, the output shaft setting of motor in the second accommodating cavity and by the motor pressure section Worm screw (105), gear set are meshed with the worm screw and the linkage gear respectively；Second wiring board is pacified by the wiring board Dress column and the wiring board compress column and are fixed in third shell, are electrically connected with the motor, are provided with suddenly on the second wiring board You switch (115), the turned position for detecting the linkage gear with magnetic core cooperation；

Two breakers are arranged side by side, and reclosing module is arranged in the side of two breakers, the universal driving shaft with The attachment assembly of two breakers, and first line plate is connected with the first current transformer；Leakage protection module setting In the other side of two breakers, the driving lever and the auxiliary electrode of breaker protrude into leakage protection module and institute It states traction piece and the zero sequence current mutual inductor matches.

2. the master switch of intelligent distribution box according to claim 1, which is characterized in that the left side and the right side of the master switch Side is provided with communication interface (5).

3. the master switch of intelligent distribution box according to claim 1, which is characterized in that the breaker, reclosing module With a side of leakage protection module is provided with positioning convex column (6), another side is provided with location indentations.

4. the master switch of intelligent distribution box according to claim 1, which is characterized in that the side of the first shell is corresponding It is offered at first current transformer through-hole (217), the sample line of the first current transformer is through the through-hole and reclosing module In wiring board be connected.

5. the master switch of intelligent distribution box according to claim 1, which is characterized in that the traction piece includes substrate (317) outwardly and downwardly extends with forming axle bed (315) on the substrate, an edge of the substrate, formed to limit and be matched The upper end of conjunction portion (319) and output rod auxiliary section (320), the output rod auxiliary section (320) extends to the axle bed, is formed with With the driving lever auxiliary section (318) of the arc of the driving lever (211) cooperation, the lug for connecting spring is formed on the substrate (316)。

6. the master switch of intelligent distribution box according to claim 1, which is characterized in that on second wiring board (108) It is provided with the first notch (113) for supplying the motor (106) to pass through, the second notch passed through for the gear set (104) (114) and for the third notch (116) that the universal driving shaft passes through, the motor, the gear set and the universal driving shaft are corresponding Run through the second wiring board through first notch, second notch and the third notch.