Summary of the invention
The purpose of the present invention is to provide a kind of drawer structures, to solve drawer-type distribution box existing in the prior art not
It can be carried out long-range behaviour, the technical problem for needing someone scene on duty.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of drawer structure is provided, be set to drawout cubicle in,
It include: drawer body, an inlet wire plug-in unit, an outlet plug-in unit, switch, remote control unit and displacement control unit;
The drawer body is slidably connected by the displacement control unit and the drawout cubicle;
Inlet wire plug-in unit is set in the drawer body, for conducting electric current;
Outlet plug-in unit is set in the drawer body, for conducting electric current, and is acquired and is handled three-phase
Monitoring data, and the monitoring data are uploaded to internet;
The switch is set in the drawer body, and is inserted respectively with an inlet wire plug-in unit and an outlet
Part electrical connection;
The remote control unit, be set to the drawer body on, and respectively with it is described switch and the Bit andits control list
Member connection for receiving the instruction transmitted by internet, and controls the switch according to described instruction and carries out separating brake or combined floodgate,
And the displacement control unit is controlled according to described instruction control, the drawer body is driven to be moved in or out the drawout cubicle.
Further, the monitoring data include electric current, electricity and temperature data.
Further, an outlet plug-in unit includes insert body, bus bar copper row socket, monitoring module component, electric current
Mutual inductor and temperature sensor;
The bus bar copper row socket is set in the insert body;
The current transformer, there are three tools, be set to the insert body on, and respectively with the bus bar copper row socket and
The switch electrical connection, each current transformer are used to acquire single-phase electric current and single-phase voltage;
The temperature sensor, there are three tools, is set in the insert body, each temperature sensor is respectively used to
Sense single-phase temperature;
The monitoring module component, connect, for handling respectively with the current transformer and the temperature sensor
It states the electric current and information of voltage that current transformer acquires and obtains electricity data, and electricity data described in temperature information is uploaded
To internet.
Further, the monitoring data further include zero-sequence current data.
Further, an outlet plug-in unit further includes zero sequence current mutual inductor;
The zero sequence current mutual inductor, be set to the insert body on, respectively with the bus bar copper row socket, the monitoring
Modular assembly and switch connection, for acquiring zero-sequence current.
Further, the drawer structure further includes display module on the spot;
The display module on the spot is electrically connected set on the leading flank of the drawer body, and with the monitoring module component,
For displays temperature information on the spot, zero-sequence current information and electricity data.
Further, the monitoring module component include monitoring module shell, monitoring circuit board, communication socket, power supply insert
Mouth and elastic interface;
The monitoring circuit board is set in the monitoring module shell;
The communication socket, there are two tools, is set on the monitoring module shell, and be electrically connected with the monitoring circuit board
It connects, one of them described communication socket with the display module on the spot for connecting, another described communication socket is used for and intelligence
It can gateway connection;
The outlet, be set to the monitoring module shell on, and with the monitoring circuit board electrical connection, for it is outer
Connect power supply connection;
The elasticity interface, is set on the monitoring module shell, is used for and the current transformer and the zero sequence
Current transformer grafting.
Further, the remote control unit includes long-range control display screen and circuit for remotely controlling plate;
The long-range control display screen, connect with the drawer body, for showing the location status information of the switch;
The circuit for remotely controlling plate is set in the long-range control display screen, and is connected with the switch.
Further, the displacement control unit includes guide assembly and driving assembly;
The guide assembly is connect with the drawer body and the drawout cubicle respectively, for limiting the drawer body
Glide direction;
The driving component is connect with the drawer body and the drawout cubicle respectively, for driving the drawer body
Sliding.
The beneficial effect of drawer structure provided by the invention is: compared with prior art, drawer structure of the present invention will count
According to side acquisition and processing structure and the structure setting that can be communicated with internet in an outlet plug-in unit, so that once
Outlet plug-in unit can realize electric current conduction, the acquisition and calculating of data simultaneously, and can be by acquisition and treated electricity number
According to internet is uploaded to, data sharing is realized, mobile phone, computer client and other mobile communication equipments can be looked by internet
See electricity data, relevant information can also be obtained in time by garrisoning without scene, carry out energy consumption analysis to controller switching equipment, dynamic, which is grasped, matches
The operation conditions of electric load;Meanwhile mobile phone, computer client and other mobile communication equipments can be by internets to long-range control
Unit processed sends instruction, can be realized the separating brake and combined floodgate of switch according to teleinstruction, moreover it is possible to pass through command displacement control unit
Realize being moveable into and out for drawer body, breaking-closing operating can also be realized in time and move in and out operation, energy by garrisoning without scene
The labor intensity of operator is effectively reduced, improves working efficiency, and be advantageously implemented fine-grained management.
The present invention also provides a kind of power distribution cabinets, including drawout cubicle and the above-mentioned drawer structure connecting with the drawout cubicle.
Power distribution cabinet beneficial effect provided by the invention is: compared with prior art, power distribution cabinet of the present invention, by using upper
The drawer structure stated can remotely realize data sharing, dynamic by mobile phone, computer client and other mobile communication equipments
The operation conditions of distribution load is grasped, and breaking-closing operating is carried out according to data analysis result and moves in and out operation, live nothing
It needs personnel to garrison, improves work efficiency.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, " multiple ", " several " be meant that two or
Two or more, unless otherwise specifically defined.
Referring to Fig. 1, existing be illustrated drawer structure provided by the invention.The drawer structure is set in drawout cubicle,
Including the inlet wire plug-in unit 2, one times of drawer body 1, one time outlet plug-in unit 3, switch 4, remote control unit 5 and displacement control unit 6;
Drawer body 1 is slidably connected by displacement control unit 6 with drawout cubicle;
Inlet wire plug-in unit 2 is set in drawer body 1, for conducting electric current;
Outlet plug-in unit 3 is set in drawer body 1, for conducting electric current, and acquires and handle the monitoring number of three-phase
According to, and monitoring data are uploaded to internet;
Switch 4 is set in drawer body 1, and is electrically connected respectively with an inlet wire plug-in unit 2 and an outlet plug-in unit 3;
Remote control unit 5 is set on drawer body 1, and connect respectively with switch 4 and displacement control unit 6, for connecing
The instruction transmitted by internet is received, and separating brake or combined floodgate are carried out according to instruction control switch 4, and according to instruction command displacement
Control unit 6 drives drawer body 1 to be moved in or out drawout cubicle.
Inlet wire plug-in unit 2 and an outlet plug-in unit 3 are connect with the electric elements outside drawer structure respectively, with switch 4
Complete measure loop is constituted, in an outlet plug-in unit 3 after processing forms electricity data, which can be uploaded
To internet, scene does not need operator, can check data by network remote.
Drawer structure provided by the invention can be communicated data side acquisition and processing structure and with internet
Structure setting enables an outlet plug-in unit 3 to realize electric current conduction, the acquisition of data and meter simultaneously in an outlet plug-in unit 3
It calculates, and acquisition and treated electricity data can be uploaded to internet, realize data sharing, mobile phone, computer client
End and other mobile communication equipments can check electricity data by internet, and related letter can also be obtained in time by garrisoning without scene
Breath carries out energy consumption analysis to controller switching equipment, and dynamic grasps the operation conditions of distribution load;Meanwhile mobile phone, computer client and its
His mobile communication equipment, which can be sent by internet to remote control unit 5, to be instructed, and can be realized switch 4 according to teleinstruction
Separating brake and combined floodgate, moreover it is possible to realize that drawer body 1 is moveable into and out by command displacement control unit 6, garrisoned without scene
Also breaking-closing operating can be realized in time and moves in and out operation, the labor intensity of operator can be effectively reduced, and improve work effect
Rate, and it is advantageously implemented fine-grained management.
Drawer structure of the invention can be compatible with the installation function of existing power distribution cabinet drawer, be applicable in current class range and be
63A-630A can be widely applicable to various drawout cubicles such as GCK, GCS, MNS etc..
Specifically, monitoring data include electric current, electricity and temperature data.
In one embodiment, also referring to Fig. 3 and Fig. 4, an outlet plug-in unit 3 includes insert body 301, bus copper
Socket mouth 302, monitoring module component 303, current transformer 304 and temperature sensor;
Bus bar copper row socket 302 is set in insert body 301;
Current transformer 304, there are three tools, is set in insert body 301, and respectively with bus bar copper row socket 302 and open
4 electrical connections are closed, each current transformer 304 is used to acquire single-phase electric current and single-phase voltage;
Temperature sensor, there are three tools, is set in insert body 301, each temperature sensor is respectively used to sense single-phase
Temperature;
Monitoring module component 303 is connect, for handling Current Mutual Inductance respectively with current transformer 304 and temperature sensor
The electric current and information of voltage of the acquisition of device 304 simultaneously obtain electricity data, and temperature information and electricity data are uploaded to internet.
Three current transformers 304 and three temperature sensors, each current transformer 304 and temperature sensor point are set
Do not detect single-phase electric current, voltage and temperature, can simultaneously, synchronously detect many kinds of parameters, realize intellectualized detection, improve inspection
The comprehensive of efficiency and detection is surveyed, and then is conducive to accurately monitor controller switching equipment operating status.
Contained load is conducted electrical currents to by bus bar copper row socket 302 and service cable, current transformer 304 can incite somebody to action
High current is converted into being suitble to the low current of measurement, and is detected.Can be realized simultaneously in a current transformer 304 electric current,
The detection of voltage, and external temperature sensor is cooperated to realize temperature detection, overall structure is small and exquisite, and monitoring efficiency is high.Also, by
Yu Yici outlet plug-in unit 3 is closer to terminal block cable (high heat generating spot), so the temperature detected is truer and accurate
In course of normal operation, the variation of operating temperature can reflect the working condition of this circuit load.For example, warm
Degree is high, illustrates that circuit has exception or fastener to loosen or be exactly to become overloaded.Therefore, the purpose of temperature is detected
It is that according to these temperature datas, finds the problem in time, avoid the generation of subsequent accident.
Monitoring module component 303 can handle data to obtain electricity data, while can believe electricity data and temperature
Breath is uploaded to internet, convenient remotely to check.Monitoring module component 303 and current transformer 304 are all that electricity is realized in direct grafting
Connection, and current transformer 304 is then integrated with temperature sensor, one time outlet plug-in unit 3 itself is compact-sized, without outer
The conducting wire of dew is conducive to rationally utilize the space inside drawer body 1.
Specifically, temperature sensor includes thermistor and/or temp probe, and the temperature that can accurately perceive every phase becomes
Change.Thermistor and/or temp probe are connect with monitoring module component 303 respectively, and the temperature change sensed is transmitted
To monitoring module component 303.
In one embodiment, monitoring data further include zero-sequence current data.
In one embodiment, referring to Fig. 3, an outlet plug-in unit 3 further includes zero sequence current mutual inductor 305;
Zero sequence current mutual inductor 305, be set to insert body 301 on, respectively with bus bar copper row socket 302, monitoring module group
Part 303 and switch 4 connect, for acquiring zero-sequence current.
Monitoring module component 303 and zero sequence current mutual inductor 305 are all that electrical connection, an outlet plug-in unit are realized in direct grafting
3 body structures conducting wire more compact, not exposed is conducive to rationally utilize the space inside drawer body 1.
Some circuits are as needed, may require that detection zero-sequence current, and general existing method is the backend user in cabinet body
Zero sequence current mutual inductor is installed on connection cable, such effect be exactly install it is very inconvenient, zero sequence current mutual inductor it is secondary
Line is also very messy, untidy.In this embodiment, an inlet wire plug-in unit 2 is 3P/4P plug-in unit, and an outlet plug-in unit 3 is 3P/4P
Plug-in unit, switch 4 also switchs for 3P/4P, so that back panel wiring is few, cable arrangement is neat, convenient for management.If you do not need to detection zero
Sequence electric current, then an inlet wire plug-in unit 2 can be 3P plug-in unit, and an outlet plug-in unit 3 can be 3P plug-in unit, and switch 4 can switch for 3P;If
Need to detect zero-sequence current, then switching to an inlet wire plug-in unit 2 is 4P plug-in unit, and one time outlet plug-in unit 3 is 4P plug-in unit, and switch 4 is
4P switch, intelligence degree are high.
In one embodiment, between monitoring module component 303 and current transformer 304 and monitoring module component 303 with
Electrical connection is realized by the resilient contact way of contact between zero sequence current mutual inductor 305.Under normal conditions, general in existing drawer
The contacts such as position and alarm, indicator light, pointer ammeter containing switch, numerous secondary line wiring is complicated, messy.Using bullet
After the property contact way of contact, and secondary connection between the two is eliminated, it is excessive to avoid secondary connection, so that drawer body 1
Internal cabling complexity, in disorder problem, can also save built-up time.
In one embodiment, refering to fig. 1, Fig. 2, Fig. 7 and Fig. 8, drawer structure further includes display module 7 on the spot;
Display module 7 on the spot are electrically connected set on the leading flank of drawer body 1, and with monitoring module component 303, for just
Ground displays temperature information, zero-sequence current information and electricity data.
One time data can not only be uploaded to internet by outlet plug-in unit 3, moreover it is possible to transfer data on the spot display module 7 into
Row is shown on the spot, is facilitated operator's checking at the scene, is improved the convenience used.
In one embodiment, Fig. 3 to Fig. 6 is please referred to, monitoring module component 303 includes monitoring module shell 3031, prison
Control circuit board 3032, communication socket 3033, outlet 3034 and elastic interface 3035;
Circuit board 3032 is monitored, is set in monitoring module shell 3031;
Socket 3033 is communicated, there are two tools, is set on monitoring module shell 3031, and be electrically connected with monitoring circuit board 3032
It connects, one of communication socket 3033 with display module 7 on the spot for connecting, another communication socket 3033 is used for and intelligent network
Connection connects;
Outlet 3034, be set to monitoring module shell 3031 on, and with monitoring circuit board 3032 be electrically connected, be used for it is outer
Connect power supply connection;
Elastic interface 3035 is set on monitoring module shell 3031, for mutual with current transformer 304 and zero-sequence current
305 grafting of sensor.
Intelligent gateway is the portal for realizing monitoring module component 303 and the network interconnection, is set on power distribution cabinet.Elastic interface
3035 for realizing that resilient contact contacts with current transformer 304, and communication socket 5024 is then for sending out electricity data to outside
It send.
In one embodiment, Fig. 3 to Fig. 6 is please referred to, monitoring module component 303 further includes auxiliary receptacle 3036;
Auxiliary receptacle 3036 is set on monitoring module shell 3031, for connecting with supplementary module component.
The access of indicator light, the access in breakdown judge circuit etc. may be implemented in auxiliary receptacle 3036, convenient to pass through monitoring mould
Block assembly 303 carries out malfunction monitoring.
In one embodiment, refering to Fig. 7 and Fig. 8, display module 7 includes display shell 701, display circuit board on the spot
702 and display communication socket 703;
Shell 701 is shown, for connecting with drawer body 1;
Display circuit board 702 is set in display shell 701;
Display communication socket 703, is set on display circuit board 702, and for connecting with one of communication socket 3033.
Show that shell 701 is equipped with display panel, display communication socket 703 and communication socket 3033 pass through a butt opposite end
Data line docking realize communication, subsequent data information by docking socket pass to display circuit board 702, display circuit board
702 convert that information into the image information that can be shown on a display panel, and control the display panel and shown, structure letter
Single, fast response time can change the information of display according to the variation of data in time.Optionally, electric current, voltage and temperature are being shown
It sequentially shows, is not shown on shell 701 simultaneously, operator is facilitated to check.
In one embodiment, display module 6 is also connect with infrared sensor on the spot.
Infrared sensor can detect target position by receiving the infrared ray that target is radiated, and someone is working at the scene
When will control the display panel and shown, if if nobody, display panel is at and does not show state, greatly save electricity in this way
Energy.
Specifically, infrared sensor is connect by intelligent gateway with display module on the spot, to send to display module on the spot
Display or the instruction not shown.
In one embodiment, in order to rationally utilize space, while guaranteeing good sensing effect, infrared sensor is set to
On drawout cubicle.Specifically being set on the panel of drawout cubicle.
In one embodiment, Fig. 1 and Fig. 2 is please referred to, remote control unit 5 includes long-range control display screen and long-range control
Circuit board processed;
Long-range control display screen, connect, the location status information for display switch 4 with drawer body 1;
Circuit for remotely controlling plate is set in long-range control display screen, and connect with switch 4.
Circuit for remotely controlling plate is used to receive and process the instruction that internet passes over, and according to the instruction to switch 4
Or displacement control unit 6 issues new instruction, to realize divide-shut brake or move in and out operation.Long-range control display screen can be shown
About the various positions information of switch 4, the operator at scene is facilitated to check.
In one embodiment, referring to Fig. 2, displacement control unit 6 includes guide assembly and driving assembly;
Guide assembly is connect with drawer body 1 and drawout cubicle respectively, for limiting the glide direction of drawer body 1;
Driving assembly is connect with drawer body 1 and drawout cubicle respectively, for driving drawer body 1 to slide.
By the driving of driving assembly, under the limit of guide assembly, drawer body 1 can move along a straight line.Driving group
Part is connect with remote control unit 5, and the instruction control drawer body 1 sent according to remote control unit 5 moves in and out.
In one embodiment, referring to Fig. 2, guide assembly includes guide rail 601 and guide groove;
Guide rail 601 is set on drawer body 1;
Guide groove, and is set on drawout cubicle, and is slidably matched with guide rail 601.
The processing is simple for the structure of guide rail 601 and guide groove, good limit effect, and occupies little space, and can make drawer body 1
It is more steady to move in and out movement.
Optionally, in order to rationally utilize space, guide rail 601 is set to the lower part of drawer body 1, and has at least two.
In one embodiment, referring to Fig. 2, driving assembly includes rack gear 602, gear 603 and the first driving motor;
Rack gear 602 is set on drawer body 1;
Gear 603, the output axis connection with the first driving motor, and gear 603 is engaged with rack gear 602;
First driving motor, is fixedly arranged on drawout cubicle.
Gear 603 can drive drawer body 1 mobile with the output shaft rotation of the first driving motor by rack gear 602,
Structure is simple, and service performance is stablized, and use cost is low.
In one embodiment, driving assembly includes lead screw, nut seat and the second driving motor;
Second driving motor, is fixedly arranged on drawout cubicle;
Lead screw, the output axis connection with the second driving motor;
Nut seat is set on drawer body 1, and connect with threads of lead screw.
Nut seat is sheathed on lead screw, can be by the linear motion for being converted into nut seat of lead screw, reliable transmission, structure
Simply, it occupies little space.
In one embodiment, driving assembly includes cylinder;
The cylinder body of cylinder and drawout cubicle are affixed, and the piston rod and drawer body 1 of cylinder are affixed.
Flexible by cylinder piston rod can drive drawer body 1 mobile, and the kind of drive is direct, and transmission efficiency is high.
In one embodiment, referring to Fig. 1, passing through 8 electricity of switch inlet wire cable between an inlet wire plug-in unit 2 and switch 4
Connection is electrically connected between outlet plug-in unit 3 and switch 4 by switching outlet cable 9.According to the structure of actual setting, once
Between inlet wire plug-in unit 2 and switch 4 and between an outlet plug-in unit 3 and switch 4 the resilient contact way of contact inconvenient to use into
Row electrical connection, therefore cable is respectively adopted and is electrically connected.
In one embodiment, referring to Fig. 1, further including mounting plate 10;
Mounting plate 10 is set in drawer body 1, and for connecting and fixing switch 4.
Mounting plate 10 can be attached installation with multiple devices simultaneously, so that device is distributed compact and reasonable, and easy for installation.
Mounting plate 10 itself can be connected through a screw thread part or plug connector and be assembled with drawer body 1, being capable of basis convenient for handling replacement
The exact shape of each device is selected and is adjusted, rationally to utilize the space inside drawer body 1.
In one embodiment, referring to Fig. 1, lineation, mounting plate 10 are equipped with cable and pass through opening 11 for convenience.Line
Cable may be configured as a big opening by opening 11, may be alternatively provided as accommodating several small openings that single cable passes through.
In one embodiment, referring to Fig. 1, mounting plate 10 is arranged perpendicular to the bottom surface of drawer body 1, after switch 4
Side is connect with mounting plate 10, and cable is located at the right side of switch 4 by opening 11, and an inlet wire plug-in unit 2 and an outlet plug-in unit 3 divide
Not Wei Yu 1 rear portion of drawer body right side and left side, in this way setting internal structure can be made compact, cable using length it is short, be convenient for
Lineation.
In one embodiment, Fig. 7 and Fig. 8 is please referred to, shows that the edge of opposite sides on shell 701 is equipped with buckle 704,
Drawer body 1 is equipped with the bayonet for being clamped with buckle 704.Clamping structure is simple, can facilitate entire display module 7 on the spot
Handling improve the convenience used convenient for display module 7 on the spot is repaired or replaced.
In one embodiment, Fig. 1 and Fig. 2 is please referred to, drawer body 1 includes drawer frame 101 and drawer panel 102;
Drawer frame 101, for accommodating 2, outlet plug-in units 3 of an inlet wire plug-in unit and switch 4;
Drawer panel 102, set on the front side of drawer frame 101, display module 7 is set on drawer panel 102 on the spot.
Drawer frame 101 and drawer panel 102 are metal component, facilitate heat dissipation.Drawer frame 101 and drawer panel
To be detachably connected between 102, maintains easily and replace.2, outlet plug-in units 3 of inlet wire plug-in unit are set to drawer frame 101
Rear wall on, switch 4 be set to drawer frame 101 middle part, space utilization is more reasonable, and structure is programmable more compact.
In one embodiment, Fig. 1 and Fig. 2 is please referred to, drawer frame 101 is equipped with heat release hole 103.
Heat release hole 103 includes the strip-shaped hole set on the circular hole of 101 side wall of drawer frame and set on 101 bottom surface of drawer frame,
Be conducive to more fully be radiated, guarantee that controller switching equipment operates normally.
In one embodiment, Fig. 1 and Fig. 2 is please referred to, drawer panel 102 is equipped with the switch operation connecting with switch 4
Handle 12.Switch operation handle 12 can directly control the on-off of switch 4, and then whether the drawer structure for controlling the position runs,
Operation is simple and reliable.
In one embodiment, Fig. 1 and Fig. 2 is please referred to, drawer panel 102 is equipped with handle 13.Handle 13 is for pushing and pulling
Drawer body 1, and then enable the disengaging controller switching equipment of drawer body 1 freely, improve property easy to use.
In one embodiment, Fig. 1 and Fig. 2 is please referred to, for convenience push-and-pull force, handle 13 has symmetrically arranged two
It is a.
Drawer structure of the invention, relevant information can also be obtained in time by garrisoning without scene, carry out energy consumption to controller switching equipment
Analysis, dynamic grasp the operation conditions of distribution load, and breaking-closing operating can also be realized in time and move in and out by garrisoning without scene
The labor intensity of operator can be effectively reduced in operation, improve working efficiency, and be advantageously implemented fine-grained management;It can examine
Survey single-phase electric current, voltage, temperature, additionally it is possible to detect zero-sequence current, detection comprehensively, facilitates more accurate analytical equipment operation
Situation;Display module on the spot with passive sensor is set, makes the operator at scene that can also check data, when someone shows
Screen just lights, it is easy to operate itself and it is energy saving;Standardized port, modules can be used in each port in the utility model
It using table conversion module, allows production that can shift to an earlier date spare part, shortens the production cycle.
The present invention also provides a kind of power distribution cabinets, including above-mentioned drawer structure and the power distribution cabinet connecting with drawer structure.
Power distribution cabinet of the present invention can pass through mobile phone, computer client and other movements by using above-mentioned drawer structure
Communication apparatus is remotely realizing data sharing, and dynamic grasps the operation conditions of distribution load, and is carried out according to data analysis result
Breaking-closing operating is garrisoned without personnel, is improved work efficiency with operation, scene is moved in and out.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.