CN110165597A

CN110165597A - Switch equipment unit for electrical power distribution system

Info

Publication number: CN110165597A
Application number: CN201810149494.8A
Authority: CN
Inventors: 任旭会; J.沈; Y.卢
Original assignee: Industrial Links And Solutions LLC
Current assignee: ABB Schweiz AG
Priority date: 2018-02-13
Filing date: 2018-02-13
Publication date: 2019-08-23
Also published as: WO2019157994A1

Abstract

It include breaker compartment for the switch equipment unit used in electrical power distribution system, it includes breakers and the rack assembly for being attached to breaker.Rack assembly is operable to move breaker between the first position and the second position in breaker compartment.Switch equipment unit further includes the switching device and motor sub-assembly for being operable to selectively be electrically isolated breaker.Motor sub-assembly includes motor and the rack gearing that is connected between motor and rack assembly.Motor sub-assembly further includes the switch gearing device being connected between motor and switching device, motor is operable to drive rack gear device to use rack assembly running circuit breaker, and motor can be further operative to driving switch transmission device to use switching device to be selectively electrically isolated breaker.

Description

Switch equipment unit for electrical power distribution system

Technical field

The application relates generally to electrical power distribution system, and more particularly relates to the switch of electrical power distribution system Unit.

Background technique

At least some known electrical power distribution systems include multiple switch unit comprising are attached to one or more The breaker of a load.Breaker is configured to be interrupted if electric current is except acceptable situation to the electric current of load.

At least some known switch equipment units are arranged to store multiple breakers wherein.In addition, these switches are set At least some of standby unit uses air insulation between the breaker being located in switch equipment unit and bus bar assembly Connection.However, air insulation connection needs relatively great amount of space, to allow enough air insulations in connecting, and can lead to Relatively large switch equipment unit.In addition, to the connection of breaker and bus bar assembly insulate it is at least some other Method can have the effect of making bus bar overheating components.In addition, at least some switch equipment units are generally through manual operation Hand-crank (breaker is moved to tie point by it) breaker is connected to bus bar assembly.However, manual operation Bindiny mechanism is generally not provided the high-level consistency between connection since they are subjected to the variation of operator's control.Although this It is generally acceptable for air insulation connection, but need the other kinds of connection in less space that can be subjected to connecting breaker Consistency to bus bar assembly lacks.For example, the inconsistent or uneven connection for sealed connection can lead to the mistake of sealing Effect.

Accordingly, there exist to the more compact switch equipment unit for electric distribution system, (it needs less manual operator to control Make and allow for breaker to be connected to the larger stability of bus bar assembly) needs.

Summary of the invention

On the one hand, it provides for the switch equipment unit used in electrical power distribution system.Switch equipment unit packet It includes the breaker compartment comprising breaker and is attached to the rack assembly of breaker.Rack assembly is operable to make breaker disconnected It is moved between the first position and the second position in the device compartment of road.Switch equipment unit further include be operable to selectively electricity every Switching device and motor sub-assembly from breaker.Motor sub-assembly includes motor and is connected between motor and rack assembly Rack gearing.Motor sub-assembly further includes the switch gearing device being connected between motor and switching device, and motor can operate At drive rack gear device to use rack assembly running circuit breaker, motor can be further operative to driving switch transmission device To use switching device to be selectively electrically isolated breaker.

On the other hand, the groups of motors of a kind of rack assembly for control switch unit and switching device is provided Part.Motor sub-assembly includes motor and the rack gearing that is connected between motor and rack assembly.Motor sub-assembly further includes The switch gearing device being connected between motor and switch block.Motor is operable to drive rack gear device to use rack gear Component running circuit breaker.Motor is also operable to driving switch transmission device to use switching device to be selectively electrically isolated open circuit Device.

Another aspect provides the method using electric distribution system.This method includes that breaker is located in switchgear In the breaker compartment of unit, and rack assembly is attached to breaker.Rack assembly is operable to make breaker in breaker It is moved between the first position and the second position in compartment.This method further includes that switching device is connected in switch equipment unit Interior, switching device is operable to selectively be electrically isolated breaker.This method further includes that motor sub-assembly is attached to rack assembly And switching device, motor sub-assembly include motor, the rack gearing being connected between motor and rack assembly and are connected in Switch gearing device between motor and switching device.Motor is operable to drive rack gear device to use rack assembly to move Dynamic breaker.Motor is also operable to driving switch transmission device to use switching device to be selectively electrically isolated breaker.

Detailed description of the invention

Fig. 1 is the side view of exemplary electrical power distribution system；

Fig. 2 is the bus bar assembly of switch equipment unit shown in Fig. 1 and the enlarged view of load connection part；

Fig. 3 A is the enlarged view of switch equipment unit shown in Fig. 1, and wherein motor sub-assembly is attached to switching device and rack gear Component；

Fig. 3 B is the bottom view of motor sub-assembly shown in Fig. 3 A；

Fig. 3 C is the front view of a part of rack gearing shown in Fig. 3 A；

Fig. 4 A is the side view of rack assembly shown in Fig. 3 A-3C comprising the first breaker, and its middle rack screw rod is not It is located in slot；

Fig. 4 B is the side view of rack assembly shown in Fig. 4 A comprising the first breaker being located at inlet point, and Its middle rack screw rod is located in slot；

Fig. 4 C is the side view of rack assembly shown in Fig. 4 B comprising the first breaker being located at tie point；

Fig. 5 A is the side view of a part of switching device shown in Fig. 3 A in an open position；

Fig. 5 B is the side view of a part of switching device shown in Fig. 3 A in the closed position；

Fig. 6 be include modular switching device unit electrical power distribution system side view.

Although the special characteristic of various embodiments can show in some drawings and be not shown in the other drawings, this is only For convenience.Any feature of any attached drawing can be combined with any feature of any other attached drawing to be come referring to and/or is claimed.

Component list

100 electric distribution systems

102 rack gears

105 first breakers

106 circuit protection devices

107 second breakers

108 bus bar assemblies

110 switch equipment units

112 (switch equipment unit) preceding parts

114 (switch equipment units) part afterwards

116 barriers

118 first breaker compartments

119 low-voltage compartments

120 second breaker compartments

122 (breaker compartment)

123 substrates

124 bus bars

125 motor compartments

126 cable compartments

127 bus shells

128 connection sleeves

130 load connection parts

132 line connecting components

134 load-side power lines

136 line side power lines

138 tie points

140 (on rack gear) inlet points

142 load bars

143 lines

144 switching devices

146 rack assemblies

148 rack gear screw rods

150 plugs

152 voltage sensors

154 current sensors

160 slots

162 motor sub-assemblies

164 length

166 front ends

167 rear ends

168 height

169 bottom surfaces

170 top surfaces

172 width

174 top end of bus bars

176 bottom end of bus bars

Mounting bracket on 178

180 lower mounting brackets

182 load linking arms

184 load connection connectors

186 interfaces

188 sealed insulation bodies

The inner peripheral wall of 190 connection sleeves

192 is heat sink

194 heat absorbers

196 temperature sensors

198 visuals field

200 close to compartment

202 motors

203 motor gears

204 axis

The bottom of 205 first breakers

206 rack gearings

208 switch gearing devices

210 rack gear power gears

212 rack gear clutches

214 switch power gears

216 switch-clutch

218 rack shafts

220 transmission gears

222 gears

224 transmission mechanisms

226 rack gears

228 switch shafts

230 nuts

232 bootstrap blocks (232)

234 linkage components

The first end of 236 linkage components

The second end of 238 linkage components

240 bars

242 base frames

244 bar first ends

246 bar the second ends

248 main shafts

250 dynamic linkers

254 static connectors

256 wheels

258 slot ends

260 stop ends

The front end of 262 breakers

The rear end of 264 breakers

266 biasing members

1108 first bus bar assemblies

1109 second bus bar assemblies

1110 switch equipment units

1116 barriers

1118 first breaker compartments

1120 second breaker compartments

1123 substrates

1125 motor compartments

1136 line side power lines

1144 switching devices

1146 rack assemblies

1162 motor sub-assemblies.

Specific embodiment

In following description and claim, reference will be carried out to multiple terms, and should be defined as that there is following meaning Think.

Singular "one", "an" and "the" include plural reference, unless the context clearly indicates otherwise.

" optional " or " optionally " mean that the event then described or situation can occur or can not occur, and this specification Include the case where event there is a situation where and event do not occur.

As can be applied to modify any quantity expression through the approximating language that description and claims use herein, Its variation that can permit to change without leading to its relevant basic function.Therefore, by such as " about ", " approximation " and " substantially " One or more terms modification value be not limited to explanation exact value.In at least some cases, approximating language can correspond to The precision of instrument for measured value.Here and running through description and claims, scope limitation can be combined and/or be exchanged, This range is determining and all subranges including being included in, unless context or language indicates otherwise.

Particularly, as used herein, term " substantial transverse " or " substantially parallel " should be construed as being respectively included in 90 Angle in degree and 15 degree of 0 degree.

For the compact switch equipment unit used in electrical power distribution system include comprising breaker breaker every Between.Switch equipment unit further includes cable compartment, is arranged near breaker compartment.Switch equipment unit further includes being attached to The rack assembly of breaker, and be operable to selectively be electrically isolated the switching device of breaker.Finally, switch equipment unit Including motor sub-assembly, it is arranged to control switch device and rack assembly.Therefore, switch equipment unit described herein allow compared with More stable connection between small totality switch equipment unit and breaker and switch equipment unit.

Fig. 1 is the side view of exemplary electrical power distribution system 100.Coordinate system 12 includes X-axis line, Y-axis line and Z axis Line.Exemplary electrical power distribution system 100 includes at least one source, provides power at least via circuit protection device 106 One load.Electric power source can be for example including one or more generators, power grid or offer electric current (and resulting electrical power) extremely Other devices of load.Electric current is transmitted to load by bus bar assembly 108.Load may include but be not limited to only include machine Other of device, motor, illumination and/or other manufactures or power generation or distribution facility are electrically and mechanically equipped.

In the exemplary embodiment, circuit protection device 106 is accommodated in switch equipment unit 110.Particularly, in example Property embodiment in, switch equipment unit 110 include the first breaker 105 and the second breaker 107.In the exemplary embodiment, First breaker 105 and the second breaker 107 are vacuum circuit breakers.In an alternative embodiment, the first breaker 105 and second is disconnected Road device 107 includes any kind of breaker for allowing electrical power distribution system 100 to work like that as described herein.Showing In example property embodiment, the first breaker 105 and the second breaker 107 are respectively positioned at the first breaker compartment 118 and second and break In road device compartment 120.First breaker compartment 118 and the second breaker compartment 120 are arranged to allow breaker 105,107 respective It is attached to two groups of electrical power lines.Two groups of electrical power lines include at least one load-side power line 134 and at least one line side function Rate line 136.In addition, in the exemplary embodiment, load-side power line 134 is attached to bus bar assembly 108, and line side power line 136 are connected at least one electric power source (not shown), including but not limited to, AC generator or DC power supply.Exemplary In embodiment, line side power line 136 is attached to lines 143 via plug 150.Plug 150 may be, for example, EN50181 plug.? In alternative embodiment, plug 150 includes any plug for allowing switch equipment unit 110 to work like that as described herein. In the exemplary embodiment, switch equipment unit 110 include rack gear 102, circuit protection device 106 breaker compartment 118, It installs in 120 to rack gear 102.In the exemplary embodiment, switch equipment unit 110 includes preceding part 112 and is located in front Divide the rear part 114 on 112 opposites.In addition, preceding part 112 and rear part 114 are physically separate from by barrier 116.

In the exemplary embodiment, preceding part 112 includes the first breaker compartment 118, the second breaker compartment 120 and low Voltage compartment 119.In an alternative embodiment, preceding part 112 only includes the first breaker compartment 118.In an alternative embodiment, preceding Part 112 includes any number of breaker compartment for allowing switch equipment unit 110 to work like that as described herein.? In exemplary embodiment, the first breaker compartment 118 and the second breaker compartment 120 are with stacking construction relative to coordinate system 12 It is vertically aligned.In other words, the first breaker compartment 118 is located on the top of the second breaker compartment 120.In addition, In exemplary embodiment, each breaker compartment 118,120 includes the door 122 for being conveniently accessible to the inside of switch equipment unit 110. In addition, in the exemplary embodiment, substrate 123 limits the bottom plate of each breaker compartment 118,120.In addition, in exemplary reality It applies in example, motor compartment 125 is located on 123 lower section of substrate and the second breaker compartment 120 of the first breaker compartment 118 Side.In addition, additional motor compartment 125 is located in 123 lower section of substrate of the second breaker compartment 120.

In the exemplary embodiment, each breaker 105,107 includes load connection part 130.When breaker 105,107 When being located at the tie point 138 on rack gear 102, breaker 105,107 is connected to bus bar assembly by load connection part 130 108.For example, in the exemplary embodiment, the first breaker 105 is located at tie point 108.In addition, in exemplary embodiment In, each breaker 105,107 includes line connecting component 132.When each breaker 105,107 is located at tie point 138, Each breaker 105,107 is connected to bus bar assembly 108 by line connecting component 132.In the exemplary embodiment, line interconnecting piece Part 132 and load connection part 130 and roughly vertical alignment each other.In addition, in the exemplary embodiment, about the first breaker 105, load connection part 130 positions online 132 lower section of connecting component.In addition, about the second breaker 107, line connecting component 132 are located in 130 lower section of load connection part.In other words, in the exemplary embodiment, load connection part 130 and line connect Being placed between the first breaker 105 and the second breaker 107 vertically for relay part 132 overturns.

In the exemplary embodiment, the rear part 114 of switch equipment unit 110 includes cable compartment 126.In addition, bus Bar assembly 108 is located in cable compartment 126.Bus bar assembly 108 includes multiple bus bars 124, bus shell 127 and cloth It is set to two connection sleeves 128 for receiving the load connection part 130 of breaker 105,107.In an alternative embodiment, bus bar Component 108 includes that only one connects sleeve 128.In other alternative embodiments, bus bar assembly 108 includes allowing to switch to set Any number of connection sleeve 128 that standby unit 110 works like that as described herein.In the exemplary embodiment, bus Bar assembly 108 is located between the first breaker compartment 118 and the second breaker compartment 120.In other words, bus bar assembly 108 are not extended past the vertical distance of the first breaker compartment 118 and the second breaker compartment 120.Bus bar assembly 108 about Fig. 2 is more fully described.

In the exemplary embodiment, the first breaker 105 is located at the tie point 138 on rack gear 102, so that load connects Relay part 130 is located in connection sleeve 128 and is attached to the load bar 142 of bus bar assembly 108.In addition, the first breaker 105 line connecting component 132 is located in connection sleeve 128 and is attached to lines 143.In addition, in the exemplary embodiment, the Two breakers 107 are located at the inlet point 140 on rack gear 102, so that load connection part 130 is not coupled to load bar 142. Particularly, the load connection part 130 of the second breaker 107 and line connecting component 132 are horizontally extended from the second breaker 107 Free end to connection sleeve 128.Therefore, in the exemplary embodiment, the first breaker 105 and bus bar assembly 108 are electrically connected, and the second breaker 107 is not electrically connected with bus bar assembly 108.

In the exemplary embodiment, switch equipment unit 110 includes voltage sensor 152.Voltage sensor 152 is attached to Load bar 142 and lines 143, so that the detectable voltage across respective circuit breakers 105,107 of voltage sensor 152 reduces.It is special Not, in the exemplary embodiment, voltage sensor 152 is located in the insulating epoxy tree that lines 143 are extended to from load bar 142 In rouge bushing.In an alternative embodiment, voltage sensor 152 includes local discharge sensor, is arranged to detection across open circuit The shelf depreciation electric current of device 105,107.In other alternative embodiments, voltage sensor 152 has permission switch equipment unit The 110 any positioning in switch equipment unit 110 worked like that as described herein.

Switch equipment unit 110 includes pairs of current sensor 154, surrounds lines 143.In the exemplary embodiment, Current sensor 154 has substantially ring-like shape.In an alternative embodiment, current sensor 154 can have to allow to switch and set Any shape that standby unit 110 works like that as described herein.In other alternative embodiments, transformer (not shown) is fixed Position surrounds lines 143 near current sensor 154, and with the construction similar with current sensor 154.Even other are alternative In embodiment, transformer surrounds lines 143 and current sensor 154 does not surround lines 143.

In the exemplary embodiment, electrical power distribution system 100 includes at least one be accommodated in switch equipment unit 110 A switching device 144.In the exemplary embodiment, switching device 144 is structured to provide ground connection and selectively be electrically isolated disconnected The earthing switch of road device 105,107.Switching device 144 can be positioned on open position (broadly first position) and closed position Between (the broadly second position).In first position, switching device 144 allows electric current to flow through breaker 105,107.In second It sets, switching device 144 is isolated at least one breaker 105,107 and prevents the electric current for flowing to the breaker 105,107 of isolation.It is special Not, in the exemplary embodiment, 144 contact connection of switching device to lines 143 the (institute in Fig. 3 A of static connector 254 Show).Correspondingly, switching device 144 is configured to, and when operator is close to the part of electrical power distribution system 100, reduces electric shock Risk.For example, in some embodiments, when at least one of breaker 105,107 is removed from electrical power distribution system 100 When, switching device 144 can move between the first position and the second position.In the exemplary embodiment, switch equipment unit 110 Including for two pairs of switching devices 144 of each lines 143.In the exemplary embodiment, the switch of the first breaker 105 Device 144 is in an open position and the switching device 144 of the second breaker 107 is in the closed position.In an alternative embodiment, it opens Closing unit 110 includes that any number of switch for allowing switch equipment unit 110 to work like that as described herein fills Set 144.

In addition, in the exemplary embodiment, breaker 105,107 respectively includes rack assembly 146.Rack assembly 146 is wrapped Rack gear screw rod 148 (shown in Fig. 3 A) is included, outer stop part 260 (shown in Fig. 4 A) and slot 16 0 (institute in Fig. 4 A are located in Show) between.Rack gear screw rod 148 moves breaker 105,107 towards tie point 138 far from inlet point 140 along the rotation of first direction It is dynamic.Rack gear screw rod 148 moves breaker 105,107 towards inlet point 140 far from tie point 138 along the rotation of the second relative direction It is dynamic.In an alternative embodiment, breaker 105,107 is worked as allowing switch equipment unit 110 as described herein Any mode is located in switch equipment unit 110.Rack assembly 146 is more fully described about Fig. 3 A-3C and Fig. 4 A-4C.

In the exemplary embodiment, switch equipment unit 110 includes one or more motor sub-assemblies 162.Particularly, showing In example property embodiment, motor sub-assembly 162 is located in motor compartment 125.In an alternative embodiment, motor sub-assembly 162 can be with Any mode for allowing switch equipment unit 110 to work like that as described herein positions.In other exemplary embodiments, Switch equipment unit 110 includes only one motor sub-assembly 162.In the exemplary embodiment, the horse of the second breaker compartment 120 Be attached to switching device 144 up to component 162 so that motor sub-assembly 162 be capable of providing mechanical energy with by switching device 144 from opening It converts to closed position position.In addition, in the exemplary embodiment, the motor sub-assembly 162 of the first breaker compartment 118 is attached to Rack assembly 146 so that motor sub-assembly 162 be capable of providing mechanical energy to rack assembly 146 with by the first breaker 105 from entrance Point 140 is moved to tie point 138.In some embodiments, motor sub-assembly 162 is attached to switching device 144 and rack assembly 146 The two, and it is operable to both control switch device 144 and rack assembly 146.Motor sub-assembly 162 is more detailed about Fig. 3 A-3C Ground description.

In the exemplary embodiment, switch equipment unit 110 has the length limited about coordinate system 12 along X-axis line 164, the rear end 167 of switch equipment unit 110 is extended to from the front end of switch equipment unit 110 166.In exemplary reality It applies in example, length 164 is 1.5 meters approximate.In an alternative embodiment, switch equipment unit 110, which has, allows switch equipment unit 110 Any length to work like that as described herein.In addition, in the exemplary embodiment, switch equipment unit 110, which has, to close In the height 168 that coordinate system 12 is limited along z axis, switchgear is extended to from the bottom surface 169 of switch equipment unit 110 The top surface 170 of unit 110.In the exemplary embodiment, height 168 is 2.2 meters approximate.In an alternative embodiment, switchgear Unit 110 includes any height for allowing switch equipment unit 110 to work like that as described herein.In exemplary embodiment In, switch equipment unit 110 has the width (not shown) limited about coordinate system 12 along Y-axis line, from switchgear list The left side wall (not shown) of member 110 extends to the right side wall (not shown) of switch equipment unit 110.In the exemplary embodiment, Width is 0.5 meter approximate.In an alternative embodiment, switch equipment unit 110, which has, allows switch equipment unit 110 to be such as described herein As any width for working.

Fig. 2 is the amplification of the bus bar assembly 108 and load connection part 130 of switch equipment unit 110 shown in Fig. 1 View.

In the exemplary embodiment, bus bar assembly 108 includes bus shell 127.Bus shell 127 is from barrier 116 Extend to wrap the bus bar 124 of bus bar assembly 108, and wraps the load connection part 130 and second of the first breaker 105 The load connection part 130 of breaker 107.

In the exemplary embodiment, bus bar assembly 108 includes being located between top end 174 and sill strip end 176 Bus bar 124.An end 174 is pushed up near the load bar 142 of the first breaker 105.Sill strip end 176 is in the second breaker Near 107 load bar 142.In addition, top end 174 is located in mounting bracket 178, and sill strip end 176 is located in In lower mounting bracket 180.Particularly, in the exemplary embodiment, top end 174 is supported in connection sleeve 128.In addition, Connection sleeve 128 is attached to mounting bracket 178 and is supported by upper mounting bracket 178.In other words, bus bar 124 is in top item It is supported between end 174 and sill strip end 176 in bus bar assembly 108.In the exemplary embodiment, bus bar 124 is with heap Folded construction arrangement.That is, bus bar 124 along the vertical direction with it is aligned with each other.In addition, each bus bar 124 is along the vertical direction and respectively A adjacent bus bar is spaced apart.In the exemplary embodiment, bus bar is insulating epoxy, to increase durability and reduce shape A possibility that at electric arc.In an alternative embodiment, bus bar 124 includes that bus bar 124 is allowed to act as like that as described herein Any insulation.

In the exemplary embodiment, load connection part 130 respectively includes load linking arm 182 and load connection connector 184.Connector 184 is arranged to be attached to load bar 142 at interface 186.Arm 182 is arranged to support connector 184.Showing In example property embodiment, sealed insulation body 188 wraps arm 182, so that when arm 182 is located in connection sleeve 128, sealed insulation Body 188 prevents the air-flow between breaker compartment 118,120 and interface 186.Particularly, in the exemplary embodiment, it seals Insulator 188 contacts with arm 182 and wraps arm 182.In addition, sealed insulation body 188 extends to contact connection sleeve from arm 182 128 inner peripheral wall 190.In the exemplary embodiment, sealed insulation body 188 is made of soft silicone rubber.In alternative embodiment In, any insulating materials structure that sealed insulation body 188 is worked like that as described herein by permission switch equipment unit 110 At.

In the exemplary embodiment, bus bar assembly 108 includes heat sink 192 be located near bus bar 124.In addition, Bus bar assembly 108 includes the heat absorber 194 being located near heat sink 192.Particularly, in the exemplary embodiment, it wraps The sealed insulation body 188 of arm 182 insulate at least one connected the advantage is that connecting sleeve 128 more compared to normal air It is compact.However, in some embodiments, sealingly connecting point 186 leads to the higher temperature for loading side line 134.Therefore, heat sink 192 It is arranged to from the heat that it is extra that bus bar 124 dissipates.In addition, heat absorber 194 is arranged to the heat for absorbing dissipation from heat sink 192 and will Heat transfer is to the outer surface of switch equipment unit 110.In the exemplary embodiment, heat absorber 194 includes having black chrome coating Thermal transfer plate.In the exemplary embodiment, heat absorber 194 has the thermal absorptivity between about 0.93-0.97.This Outside, heat absorber 194 has the material thermal emissivity rate between about 0.07 to 0.15.Therefore, in the exemplary embodiment, hot Absorber 194 has the ratio of absorption and radiation between about 6 to 13.In the exemplary embodiment, 194 energy of heat absorber It is enough that long-time stability are maintained during High Operating Temperature.Specifically, heat absorber 194 is operable in 300 degrees Celsius of environment Middle maintenance long-time stability.In an alternative embodiment, heat sink 192 and heat absorber 194 with allow switch equipment unit 110 as this Any mode to work as text description works.

In the exemplary embodiment, bus bar assembly 108 includes temperature sensor 196, is arranged to monitoring load connection The temperature at interface 186 between arm 182 and load bar 142.In the exemplary embodiment, temperature sensor 196 is connection Infrared sensor to bus shell 127 and with 186 horizontal aligument of interface.In addition, temperature sensor 196 is positioned to from connection Contact 186 is remote enough, so that the visual field 198 of temperature sensor 196 includes substantially all interfaces 186.

Fig. 3 A is the enlarged view of switch equipment unit 110 shown in Fig. 1, and wherein motor sub-assembly 162 is attached to switch Both device 144 and rack assembly 146.Fig. 3 B is the bottom view of motor sub-assembly 162 shown in Fig. 3 A.Fig. 3 C is institute in Fig. 3 A The front view of a part of the rack gearing 206 for the rack assembly 146 shown.In the exemplary embodiment, the first breaker 105 are located at the inlet point 140 in rack assembly 146.

In the exemplary embodiment, motor sub-assembly 162 is positioned about in barrier 116 in the first breaker compartment 118 123 lower section of substrate.Particularly, in the exemplary embodiment, motor sub-assembly 162 is located close in compartment 200.Alternatively implementing In example, motor sub-assembly 162 is located in motor compartment (it is similar to motor compartment 125 shown in Fig. 1).In alternative embodiment In, 125 size of motor compartment is set to comprising motor sub-assembly 162.

In the exemplary embodiment, motor sub-assembly 162 includes motor 202, motor gear 203 and motor drive shaft 204 (in Fig. 3 B It is shown).Motor 202 is attached to motor drive shaft 204, and is arranged to give torque to motor drive shaft during the operation of motor sub-assembly 162 204 carry out rotation motor axis 204.Motor gear 203, which is connected into, to be rotated together with motor drive shaft 204.In the exemplary embodiment, horse It is the electric notor energized by external power source (not shown) up to 202.In an alternative embodiment, motor 202 includes allowing groups of motors Any motor that part 162 works like that as described herein.

In the exemplary embodiment, motor sub-assembly 162 further includes switch gearing device 208 and rack gearing 206.Horse Drive rack gear device 206 is operable to up to 202 to use 146 running circuit breaker 105 of rack assembly.In addition, motor 202 is also Driving switch transmission device 208 is operable to use switching device 144 to be selectively electrically isolated breaker 105.Alternative real It applies in example, switch equipment unit 110 includes the only one in switch gearing device 208 and rack gearing 206.In addition, In the exemplary embodiment, motor sub-assembly 162 includes control switch (not shown), is located in outside switch equipment unit 110 And it is operable to selectively activate motor sub-assembly 162.Particularly, when motor 202 is engaged with rack gearing 206, horse It is controllably made up to 202, gives torque in one direction during loading operation, and give during unloading operation along relative direction Torque.In addition, when motor 202 is engaged with switch gearing device 208, motor 202 is controllably made, in shutoff operation (that is, will open Close device 144 and be transferred to closed position from open position) during give torque in one direction, and in opening operation (that is, will open Close device 144 and be transferred to open position from closed position) during along relative direction give torque.In an alternative embodiment, motor Component 162 includes any control mechanism for allowing motor sub-assembly 162 to work like that as described herein.

In the exemplary embodiment, motor gear 203 is arranged to, when the rack gear clutch 212 of rack gearing 206 connects When conjunction, the rack gear power gear 210 of rotated rack transmission device 206.Particularly, rack gear clutch 212 is attached to rack shaft 218 And it is operable to engage rack gear power gear 210 with motor gear 203.In addition, in the exemplary embodiment, horse It is arranged to up to gear 203, when the switch-clutch 216 of switch gearing device 208 engages, rotary switch transmission device 208 Switch power gear 214.Particularly, switch-clutch 216 is attached to switch shaft 228 and is operable to selectively make to switch function Rate gear 214 is engaged with motor gear 203.

In the exemplary embodiment, motor gear 203 is arranged about rack gear power gear 210 and switch power gear 214 At making, motor gear 203 is only operable to, and is engaged with switch power gear 214 in motor gear 203 with by switching device After 144 are transferred to open position from closed position, rotated rack power gear 210 so that breaker 105 from 140 tooth of inlet point Item is moved to tie point 138.In addition, motor gear 203 is only operable to, rack gear power gear 210 is engaged in motor gear 203 So as to revolve switch power gear 214 from open position after breaker 105 is moved to inlet point 140 from 138 rack gear of tie point Go to closed position.Therefore, motor sub-assembly 162 prevents operator mobile disconnected come rack gear using switching device 144 in closed position Road device 105.It is opened in addition, motor sub-assembly 162 prevents operator from closing when the still rack gear of breaker 105 is fixed at tie point 138 Close device 144.In an alternative embodiment, motor gear 203 can be acted as allowing motor sub-assembly 162 as described herein Any mode is operated about rack gear power gear 210 and switch power gear 214.

In the exemplary embodiment, rack gearing 206 includes rack gear clutch 212, rack gear power gear 210, tooth Axis 218 and transmission gear 220.In addition, in the exemplary embodiment, rack gear power gear 210 is arranged on rack shaft 218 Give torque.Being rotated in give in transmission gear 220 of rack shaft 218 rotates.Referring to Fig. 3 C, transmission gear 220 is via transmitting Mechanism 224 is connected to gear 222.In the exemplary embodiment, transmission mechanism 224 is chain or band.In an alternative embodiment, it passes Passing mechanism 224 includes any transmission mechanism 224 for allowing rack gearing 206 to operate like that as described herein.In example In property embodiment, gear 222 is attached to slot 16 0.The rack gear screw rod 148 of the reception rack assembly 146 of slot 16 0.Specifically, In the exemplary embodiment, slot 16 0 includes threaded inner portion (not shown).Therefore, when rack gear screw rod 148 is located in slot When in 160, the rotation of gear 222 causes the rotation of rack gear screw rod 148.The rotation of rack gear screw rod 148 causes 105 edge of breaker Rack gear 226 is mobile.Breaker 105 will be more fully described along moving for rack gear 226 about Fig. 4 A-4C.

In the exemplary embodiment, switch gearing device 208 includes switch-clutch 216, switch power gear 214 and opens Close axis 228.In addition, in the exemplary embodiment, switch power gear 214 is arranged to give torque on switch shaft 228.Showing In example property embodiment, switch shaft 228 is threaded to receive nut 230 on it.In the exemplary embodiment, nut 230 positions In bootstrap block 232 (showing in figure 3b), bootstrap block prevents the rotation of nut 230 when switch shaft 228 rotates.In addition, spiral shell Mother is 230 threaded, so that switch shaft 228 causes nut 230 along switch shaft 228 towards 116 side of barrier along the rotation of first direction It is mobile to ground.In addition, the rotation of switch shaft 228 in a second direction causes nut 230 along switch shaft 228 in opposite direction far from resistance Retaining wall 116 laterally moves.

In the exemplary embodiment, nut 230 is attached to multiple linkage components 234.Particularly, in exemplary embodiment In, nut 230 is attached to two linkage components 234.In an alternative embodiment, nut 230 is attached to single linkage component 234. In other alternative embodiments, nut 230 is attached to any number for allowing switching device 144 to operate like that as described herein Linkage component 234.Linkage component 234 respectively include be attached to nut 230 first end 236 and with first end 236 Opposite the second end 238.In the exemplary embodiment, the second end 238 of each linkage component 234, which is attached to, is located in out Close the bar 240 in the base frame 242 of device 144.In the exemplary embodiment, bar 240 includes first end 244, is pivoted Ground is attached to the second end 238 of linkage component 234.Bar 240 further includes the second end 246, wraps the master of switching device 144 Axis 248.In addition, bar 240 is attached to main shaft 248, so that the first end 244 of bar 240 is caused to lead by the rotation of linkage component 234 The rotation of axis 248.In the exemplary embodiment, the rotation of main shaft 248 (view shown in Fig. 3 A) along clockwise direction is real Existing dynamic linker 250 is rotated from open position to closed position.In addition, main shaft 248 is in the counterclockwise direction (shown in Fig. 3 A View) rotation realize dynamic linker 250 rotate from closed position to open position.In the exemplary embodiment, when opening When pass device 144 is in an open position, dynamic linker 250 is generally related to coordinate system 12 and extends along z axis.When dynamically connecting Connect device 250 it is in the closed position when, dynamic linker 250 generally along X-axis line extend so that dynamic linker 250 contact it is quiet State connector 254.

Fig. 4 A is the side of the rack assembly 146 shown in Fig. 3 A-3C when 148 no-fix of rack gear screw rod is in slot 16 0 View.Fig. 4 B is the side view of rack assembly 146 shown in Fig. 4 A comprising the first open circuit being located at inlet point 140 Device 105 and its middle rack screw rod 148 is located in slot 16 0.Fig. 4 C is the side view of rack assembly 146, wherein the first open circuit Device 105 is located at tie point 138.

Referring to Fig. 4 A, the first breaker 105 includes the multiple wheels 256 being located at the bottom 205 of the first breaker 105. In the exemplary embodiment, the first breaker 105 is supported on the guide groove (not shown) extended along breaker compartment 118 by wheel 256 It is interior.In addition, rack gear screw rod 148 extends to stop end 260 from slot end 258.In the exemplary embodiment, in the installation phase Between, the first breaker 105 is loaded on substrate 123 using mechanical elevating device.Once the first breaker 105 is loaded into substrate 123 On, then the first breaker 105 is located so that 148 engaging sockets 160 of rack gear screw rod.

Referring to Fig. 4 B, when rack gearing 206 is controlled at the first breaker 105 is moved to tie point 138, rack gear Screw rod 148 can be rotated by slot 16 0.Particularly, the first breaker 105 limits threaded aperture (not shown), disconnected from first The front end 262 of road device 105 extends to rear end 264.Aperture receives the rack gear screw rod 148 across it.Therefore, rack gear screw rod 148 rotation in aperture moves breaker 105 along rack gear screw rod 148.In addition, in the exemplary embodiment, once first Breaker 105 is moved to tie point 138, then motor 202 (show do not go out in figs. 4 a-4 c) is operable to automatically make rack-driving Device 206 is detached from.

Referring to Fig. 4 C, when the first breaker 105 is located at tie point 138, the adjacent slot 16 0 in rear end 264.Standby It selecting in embodiment, slot 16 0 is located remotely from tie point 138, so that when the first breaker 105 is located at tie point 138, Slot 16 0 does not abut rear end 264.In addition, in the exemplary embodiment, the first breaker 105 can by with it is above-described Roughly the same process is moved to inlet point 140 from tie point 138, in addition to motor 202 (show do not go out in figs. 4 a-4 c) controls into edge Opposite direction rotation.

Fig. 5 A is the side view of a part of switching device 144 in an open position.Fig. 5 B is in the closed position The side view of a part of switching device 144.

Referring to Fig. 5 A, switch gearing device 208 includes bootstrap block 232, positions and is arranged to when it around switch shaft 228 Guiding nut 230 when being moved along switch shaft 228.Specifically, when nut 230 moves backwards along switch shaft 228, bar 240 about Base frame 242 is rotated in a clockwise direction.Specifically, in the exemplary embodiment, when switching device 144 turns from open position When shifting to closed position, bar 240 rotates 45 degree approximate.

Referring to Fig. 5 B, switching device 144 includes biasing member 266, is being beaten when switching device 144 is in an open position Open position bias switch device 144.In the exemplary embodiment, biasing member 266 includes compressed spring.In alternative embodiment In, biasing member 266 includes any biasing member for allowing switching device 144 to operate like that as described herein.Exemplary In embodiment, the rotation of main shaft 248 is realized in the rotation of bar 240.Main shaft 248 is attached to biasing member 266, so that biasing member 266 initially compress during rotation, the point compressed completely until reaching biasing member 266.In the exemplary embodiment, bar 240 rotation by the point cause biasing member 266 make dynamic linker 250 towards closed position and towards contact static connector 254 Bias.

Fig. 6 be include modular switching device unit 1110 electrical power distribution system 100 side view.Modular switch Unit 1110 includes the first breaker compartment 1118 and the second breaker compartment 1120.

In the exemplary embodiment, modular switching device unit 1110 is arranged so that, each breaker compartment 1118, 1120 include corresponding bus bar assembly 1108,1109.Therefore, bus bar assembly 1108,1109 is modular and removable To allow to change the construction of switch equipment unit 1110.For example, in some embodiments, switch equipment unit 1110 includes three Breaker compartment and three bus bar assembly (not shown).In other alternative embodiments, switch equipment unit 1110 includes fixed Control compartment (not shown) of the position between the first breaker compartment 1118 and the second breaker compartment 1120.

In addition, in the exemplary embodiment, motor compartment 1125 is located in each 1118,1120 lower section of breaker compartment. Each motor compartment 1125 includes being accommodated in motor sub-assembly 1162 therein.Motor sub-assembly 1162 is arranged to control rack assembly 1146 and switching device 1144, it is similar to examples described above.That is, motor sub-assembly 1162 is attached to corresponding rack assembly 1146 and switching device 1144.In the exemplary embodiment, motor sub-assembly 1162 is also coupled to the downside of substrate 1123.In example In property embodiment, each switching device 1144 is attached to barrier near the substrate 1123 of breaker compartment 1118,1120 1116.Therefore, the advantages of modular construction shown in Fig. 6, is, motor sub-assembly 1162 can control two switching devices 1144. Particularly, in the exemplary embodiment, line side power line 1136 is respectively in the first bus bar assembly 1108 and the second bus bar group The first breaker compartment 1118 and the second breaker compartment 1120 are attached to below part 1109.Therefore, switching device 1144 can be each It is self-positioning below line side power line 1136 and to be attached to motor sub-assembly 1162, without by the first bus bar assembly 1108 or the second Bus bar assembly 1109 hinders.

The example technique effect of method described herein, system and equipment include it is below at least one: (A) reduce it is close Seal the size of insulated switching installation unit；(b) cooling of bus bar assembly is improved due to heat sink and heat absorber positioning； (c) breaker is connected to the more stable of bus bar assembly and less labour-intensive process；And (d) passing through motor sub-assembly Safety is improved in terms of controlling the ability of earthing switch.

The exemplary embodiment of the method for electric distributing equipment and the electric distributing equipment of assembling is in above-detailed.Electricity distribution Device and method are not limited to particular embodiment described herein, but, the operation of the component of electric distributing equipment and/method can be with this Other components of text description and/or operation independently and individually use.In addition, the component of description and/operation can be limited to it In his system, method, and/or device or them is combined to use, and be not limited to only with electric distribution system described herein and equipment It practices together.

The operation of operation in embodiment of the disclosure described and illustrated herein or the sequence of execution are not necessity, Unless otherwise stated.That is, operation can execute in any order, unless otherwise stated, and embodiment of the disclosure may include with Those disclosed herein compares additional or less operation.For example, it is contemplated that go out, before another operation, simultaneously or it Specific operation is run or executed afterwards in the range of the aspect of the disclosure.

Although the special characteristic of the various embodiments of the disclosure can show in some drawings and not show in the other drawings Out, but convenience has been only for it.According to the principle of the disclosure, any feature of attached drawing can be with any feature group of any other attached drawing It closes and comes referring to and/or be claimed.

This written description uses examples to disclose the disclosure, including optimal mode, and also makes the technology of any this field Personnel can practice the disclosure, including manufacturing and using any device or system and executing any method for including.The disclosure Patentable scope is defined by the claims, and may include other examples that those skilled in the art expects.If this Other a little examples have a not structural detail different from the literal language of claim, or if they include and claim Equivalent structural elements of the literal language without essence difference, then be intended to come within the scope of the following claims these other examples.

Claims

1. one kind is used for the switch equipment unit used in electrical power distribution system, the switch equipment unit includes；

Breaker compartment, it includes breakers；

Rack assembly, is attached to the breaker, and the rack assembly is operable to make the breaker in the breaker It is moved between the first position and the second position in compartment；

Switching device is operable to selectively be electrically isolated the breaker；And

Motor sub-assembly comprising:

Motor；

Rack gearing is connected between the motor and the rack assembly；And

Switch gearing device is connected between the motor and the switching device, and the motor is operable to described in driving To use the mobile breaker of the rack assembly, the motor can be further operative to open described in driving rack gearing Transmission device is closed to use the switching device to be selectively electrically isolated the breaker.

2. switch equipment unit according to claim 1, which is characterized in that the rack gearing is attached to the horse The first side reached, and the switch gearing device is attached to the second opposite side of the motor.

3. switch equipment unit according to claim 1, which is characterized in that the motor sub-assembly further includes motor drive shaft and connection It is connected to the motor gear of the motor drive shaft, the motor gear is operable to rotate the motor drive shaft and the motor gear.

4. switch equipment unit according to claim 3, which is characterized in that the switch gearing device include switch shaft, It is attached to the switch power gear of the switch shaft and is attached to the switch-clutch of the switch shaft, the switch clutch Device is operable to engage the switch power gear with the motor gear.

5. switch equipment unit according to claim 4, which is characterized in that the switch gearing device further includes screw thread connection It is connected to the nut and bootstrap block of the switch shaft, is located in around the nut, so that the switch shaft is along first direction Rotation cause the nut to be displaced sideways along the switch shaft.

6. switch equipment unit according to claim 3, which is characterized in that the rack gearing include rack shaft, It is attached to the rack gear power gear of the rack shaft and is attached to the rack gear clutch of the rack shaft, the rack gear clutch Device is operable to engage the rack gear power gear with the motor gear.

7. switch equipment unit according to claim 6, which is characterized in that the rack gearing further includes being attached to The slot of the rack gear power gear, the slot arrangement receive wherein at by the rack gear screw rod of the breaker.

8. switch equipment unit according to claim 1, which is characterized in that the switch equipment unit further include:

Cable compartment, it includes bus bar assembly, the bus bar assembly includes multiple bus bars and is attached to the multiple The load bar of bus；And

Sleeve is connected, is extended between the breaker compartment and the cable compartment, wherein the load bar extends to institute It states in connection sleeve.

9. switch equipment unit according to claim 8, which is characterized in that the load bar includes at least one sensing Device is operable to measure the electrical parameter of the switch equipment unit.

10. switch equipment unit according to claim 8, which is characterized in that the switch equipment unit further includes from institute The load connection part of breaker extension is stated, the load connection part includes the arm extended in the connection sleeve, can join Connector and the wrapping arm of the load bar are connected to contact the sealed insulation body of the peripheral wall of the connection sleeve, The sealed insulation body prevents the air-flow between the breaker compartment and the connector.

11. switch equipment unit according to claim 10, which is characterized in that the sealed insulation body includes silicone rubber Material.

12. switch equipment unit according to claim 1, which is characterized in that the breaker compartment includes substrate, and its Described in motor sub-assembly be attached to the substrate.

13. a kind of for the rack assembly of control switch unit and the motor sub-assembly of switching device, the motor sub-assembly packet It includes:

Motor；

Rack gearing is connected between the motor and the rack assembly；And

Switch gearing device is connected between the motor and the switching device, and the motor is operable to described in driving To use the rack assembly running circuit breaker, the motor can be further operative to that the switch is driven to pass rack gearing Device is moved to use the switching device to be selectively electrically isolated the breaker.

14. motor sub-assembly according to claim 13, which is characterized in that the rack gearing is attached to the motor The first side, and the switch gearing device is attached to the second opposite side of the motor.

15. motor sub-assembly according to claim 13, which is characterized in that the motor sub-assembly further includes motor drive shaft and connection To the motor gear of the motor drive shaft, the motor gear is operable to rotate the motor drive shaft and the motor gear.

16. motor sub-assembly according to claim 15, which is characterized in that the switch gearing device includes switch shaft, connection It is connected to the switch power gear of the switch shaft and is attached to the switch-clutch of the switch shaft, the switch-clutch It is operable to engage the switch power gear with the motor gear.

17. motor sub-assembly according to claim 16, which is characterized in that the switch gearing device further includes thread connection To the nut and bootstrap block of the switch shaft, it is located in around the nut, so that the switch shaft is along first direction Rotation causes the nut to be displaced sideways along the switch shaft.

18. motor sub-assembly according to claim 15, which is characterized in that the rack gearing includes rack shaft, connection It is connected to the rack gear power gear of the rack shaft and is attached to the rack gear clutch of the rack shaft, the rack gear clutch It is operable to engage the rack gear power gear with the motor gear.

19. motor sub-assembly according to claim 18, which is characterized in that the rack gearing further includes being attached to institute The slot of rack gear power gear is stated, the slot arrangement receives wherein at by the rack gear screw rod of the breaker.

20. a kind of method using electric distribution system, comprising:

Breaker is located in the breaker compartment of switch equipment unit；

Rack assembly is attached to the breaker, the rack assembly be operable to make the breaker the breaker every It is interior to move between the first position and the second position；

Switching device is connected in the switch equipment unit, the switching device is operable to selectively be electrically isolated described Breaker；And

Motor sub-assembly is attached to the rack assembly and the switching device, the motor sub-assembly includes motor, is connected in institute It states the rack gearing between motor and the rack assembly and is connected between the motor and the switching device Switch gearing device, the motor are operable to drive the rack gearing to use the rack assembly mobile described disconnected Road device, the motor can be further operative to drive the switch gearing device with use the switching device selectively electricity every From the breaker.