CN206628714U - Low voltage switch equipment - Google Patents
Low voltage switch equipment Download PDFInfo
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- CN206628714U CN206628714U CN201720371195.XU CN201720371195U CN206628714U CN 206628714 U CN206628714 U CN 206628714U CN 201720371195 U CN201720371195 U CN 201720371195U CN 206628714 U CN206628714 U CN 206628714U
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- voltage switch
- switch equipment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The utility model discloses a kind of low voltage switch equipment.Wherein, the equipment includes：Breaker loop, is connected with three phase mains and controlled device respectively, for controlling controlled device power on/off；Current transformer, it is connected with breaker loop, for detecting the current signal in breaker loop；And voltage transformer, it is connected with breaker loop, for detecting the voltage signal in breaker loop, and is other module for power supply in low voltage switch equipment in addition to breaker loop.The switch that the utility model is solved in correlation technique only possesses breaker function, causes the technical problem of user experience difference.
Description
Technical field
Electronic applications are the utility model is related to, in particular to a kind of low voltage switch equipment.
Background technology
Switch, open circuit, the electronic component for making current interruptions or making it flow to other circuits can be made by being often referred to one,
Such as breaker, it can close, carry and cut-off the electric current under normal loop condition and can close, be carried within the defined time
With the switching device for cut-offfing the electric current under abnormal loop condition.
But switching device function of the prior art is single, disconnection and the closure of control circuit, work(are typically only used to
Can be relatively simple, the experience that user uses is poor.
Only possess breaker function for the switch in correlation technique, the problem of causing user experience difference, at present still
Effective solution is not proposed.
Utility model content
The utility model embodiment provides a kind of low voltage switch equipment, only has with the switch at least solved in correlation technique
Standby breaker function, cause the technical problem of user experience difference.
According to the one side of the utility model embodiment, there is provided a kind of low voltage switch equipment, including：Breaker returns
Road, it is connected respectively with three phase mains and controlled device, for controlling the controlled device power on/off；Current transformer, it is and described
Breaker loop connects, for detecting the current signal in the breaker loop；And voltage transformer, returned with the breaker
Road connects, and is returned for detecting the voltage signal in the breaker loop, and to remove the breaker in the low voltage switch equipment
Other module for power supply outside road.
Further, the low voltage switch equipment also includes：Level control block, including at least one Energy Saving Control end
Mouthful, for controlling the switching of capacitor module, reactive-load compensation is carried out to current supply circuit, wherein, the capacitor module is arranged on
In the low voltage switch equipment drawout cubicle.
Further, the low voltage switch equipment also includes：4-20 milliampere DC analogue quantity input modules, including at least one
Individual 4-20 milliamperes DC analogue quantity input port, for gathering the non-electric quantity signal in the low voltage switch equipment, and by institute
State non-electric quantity signal and be converted to visual amount signal, wherein, the non-electric quantity signal includes at least one of：Temperature is believed
Number, pressure signal, flow signal.
Further, the low voltage switch equipment also includes：4-20 milliampere DC analogue quantity output modules, including at least one
Individual 4-20 milliamperes DC analogue quantity output port, for exporting the pick-up signal of corresponding sampling circuit.
Further, the low voltage switch equipment also includes：Communication module, for by the low voltage switch equipment and network
Connection.
Further, the communication module includes：Wireless communication module, including at least one of：WIFI radio communications
Module, zigbee wireless communication modules；Wire communication module, including RS485 communication modules.
Further, in addition to：Relay outlet module, including at least one relay outlet port, for described
Controlled device or other equipment are controlled.
Further, in addition to：On-off model acquisition module, including at least one On-off signal port, for supervising
All kinds of contact state amount signals are surveyed, and the controlled device or other equipment are carried out with relay outlet module linkage
Logic control.
Further, the low voltage switch equipment, in addition to：Opening in temperature-measuring module, with the breaker loop
Contact connection is closed, for detecting the temperature of the switch contact.
Further, the low voltage switch equipment, in addition to：Level control block, communication module, 4-20 milliampere DC quantities
Input module, 4-20 milliampere DC analogue quantities output module, relay outlet module, on-off model acquisition module and temperature
Measurement module, wherein：CPU processor, respectively with the current transformer, the voltage transformer, the level control block,
The communication module, the 4-20 milliamperes DC quantity input module, the 4-20 milliamperes DC analogue quantity output module, it is described after
Electrical equipment outlet module, the on-off model acquisition module and temperature-measuring module connection, for obtaining each module
Status information, and corresponding control instruction is sent according to the status information.
In the utility model embodiment, three phase mains is connected with controlled device by breaker loop, is returned by breaker
The power on/off of road control device, then breaker loop is connected with current transformer and voltage transformer respectively, it is mutual by electric current
The current signal in sensor detection breaker loop, the voltage signal in breaker loop is detected by voltage transformer, and be low pressure
In switchgear locate broken circuit outside other module for power supply, allow low voltage switch equipment for control circuit closure with
On the basis of disconnection, measurement and the function of metering circuit voltage and electric current, the safety of protection circuit can also be realized, and then solve
Switch in correlation technique only possesses breaker function, causes the technical problem of user experience difference.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is the schematic diagram according to a kind of low-voltage intelligent switchgear of the utility model embodiment；
Fig. 2 is the schematic diagram according to a kind of low-voltage intelligent switchgear circuit of the utility model embodiment；
Fig. 3 is the schematic diagram according to a kind of low-voltage intelligent switchgear application case of the utility model embodiment.
Embodiment
In order that those skilled in the art more fully understand the utility model, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that be described
Embodiment is only the embodiment of the utility model part, rather than whole embodiments.Based on the reality in the utility model
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all should
When the scope for belonging to the utility model protection.
It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing,
" second " etc. is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so
The data used can exchange in the appropriate case, so that embodiment of the present utility model described herein can be with except at this
In diagram or description those beyond order implement.In addition, term " comprising " and " having " and their any deformation, meaning
Figure be to cover it is non-exclusive include, be not necessarily limited to clearly for example, containing a series of process of units, system, product or equipment
Those units listed to Chu, but may include not listing clearly or intrinsic for these processes, product or equipment
Other units.
According to the utility model embodiment, there is provided a kind of embodiment of low voltage switch equipment, the low tension switch can be
Intelligence, hereinafter referred to as low-voltage intelligent switchs.
Fig. 1 is according to a kind of schematic diagram of low-voltage intelligent switchgear of the utility model embodiment, as shown in figure 1, should
Equipment can include：Breaker loop 11, is connected with three phase mains and controlled device respectively, for controlling controlled device break-make
Electricity；Current transformer 13, it is connected with breaker loop, for detecting the current signal in breaker loop；And voltage transformer
15, it is connected with breaker loop, for detecting the voltage signal in breaker loop, and to remove open circuit in low-voltage intelligent switchgear
Other module for power supply outside device loop.
By the utility model above-described embodiment, three phase mains is connected with controlled device by breaker loop, by open circuit
The power on/off of device circuit controls equipment, then breaker loop is connected with current transformer and voltage transformer respectively, pass through electricity
The current signal in current transformer detection breaker loop, the voltage signal in breaker loop is detected by voltage transformer, and be
Locate other module for power supply outside broken circuit in low-voltage intelligent switchgear, allow low-voltage intelligent switchgear for controlling
On the basis of closing of circuit processed and disconnection, measurement and the function of metering circuit voltage and electric current can also be realized, protection circuit
Safety, solves the switch in correlation technique and only possesses breaker function, the problem of causing user experience difference.
As a kind of optional embodiment, the embodiment can also include：Level control block, including at least one energy-conservation
Control port, for controlling the switching of capacitor module, reactive-load compensation is carried out to current supply circuit, wherein, capacitor module installation
In low-voltage intelligent switchgear drawout cubicle.
Using the utility model above-described embodiment, level control block is set in low-voltage intelligent switchgear, passes through electricity
Energy Saving Control port in flat control module, the switching of capacitor module is controlled, reactive-load compensation is carried out to current supply circuit, reduces and supplies
The loss of piezoelectric transformer and conveying circuit, power supplying efficiency is improved, improve power supply environment.
Alternatively, capacitor module is arranged in low-voltage intelligent switchgear drawout cubicle, can be switched in low-voltage intelligent
More loop is accommodated in equipment drawer cabinet, reduces equipment volume, is easy to maintenance and management of the user to equipment.
It should be noted that reactive-load compensation can, reactive power compensation, Reactive power can also be referred to as
Compensation, play a part of to improve power network and power factor in power supply system, reduce supply transformer and conveying
The loss of circuit, power supplying efficiency is improved, improve power supply environment.
Taken it should be noted that switching refers to Electric capacity compensation device being linked into compensation system, or capacitor is mended
Device is repaid from the behavior or process broken by compensation system.
Alternatively, level control block, it can be used for the switching of capacitor module, controlled using IGBT, it is possible to achieve 8 kinds
The reactive-load compensation of strategy.
It should be noted that IGBT, full name Insulated Gate Bipolar Transistor, insulated gate bipolar
Transistor, the compound full-control type voltage driven type being made up of BJT (bipolarity triode) and MOS (insulating gate type field effect tube)
Power semiconductor, have MOSFET's (Metal-Oxide Semiconductor field-effect transistor, abbreviation technology half field effect should manage) concurrently
The aspect advantage of low conduction voltage drop two of high input impedance and GTR (power transistor).GTR saturation pressures reduce, and current carrying density is big, single
Driving current is larger；MOSFET driving power very littles, switching speed is fast, but conduction voltage drop is big, and current carrying density is small.IGBT is combined
The advantages of both the above device, driving power is small and saturation pressure reduces.
As a kind of optional embodiment, the embodiment can also include：4-20 milliampere DC analogue quantity input modules, bag
At least one 4-20 milliamperes DC analogue quantity input port is included, for gathering the letter of the non-electric quantity in low-voltage intelligent switchgear
Number, and the non-electric quantity signal is converted into visual amount signal, wherein, non-electric quantity signal includes at least one of：Temperature
Spend signal, pressure signal, flow signal.
Using the utility model above-described embodiment, set 4-20 milliampere DC analogue quantities defeated in low-voltage intelligent switchgear
Enter module, by 4-20 milliampere DC analogue quantity input ports, gather temperature signal, the pressure letter in low-voltage intelligent switchgear
Number and the non-electric quantity signal such as flow signal, and the non-electric quantity signal is converted to the visual amount letter that can intuitively show
Number, the accurate environmental information for obtaining low-voltage intelligent switchgear, judge low pressure so as to the environmental information accurately according to collection
Whether the working environment of Intellectualized Switchgear meets predetermined environmental demand, ensures that low-voltage intelligent switchgear can be predetermined
Under environment, safe and reliable operation.
As a kind of optional embodiment, the embodiment can also include：4-20 milliampere DC analogue quantity output modules, bag
At least one 4-20 milliamperes DC analogue quantity output port is included, for exporting the pick-up signal of corresponding sampling circuit.
Using the utility model above-described embodiment, set 4-20 milliampere DC analogue quantities defeated in low-voltage intelligent switchgear
Go out module, by 4-20 milliampere DC analogue quantity output ports, export the pick-up signal of corresponding sampling circuit, open low-voltage intelligent
The function of transmitter can be realized by closing equipment.
It should be noted that transmitter, is the output signal of sensor to be changed into the signal that can be identified by controller to turn
Parallel operation, or sensor is passed to the signal source that non electrical quantity is converted into electric signal while amplification is measured and controlled so as to a confession distant place
Converter.
As a kind of optional embodiment, the embodiment can also include：Communication module, for low-voltage intelligent switch to be set
Standby and network connection.
Using the utility model above-described embodiment, communication module is set in low-voltage intelligent switchgear, by low-voltage intelligent
Switchgear and network connection, it can be joined by the working condition and work of network real-time monitoring low-voltage intelligent switchgear
Number, can also be controlled by network to low-voltage intelligent switchgear, can be with the use of Convenient switch equipment, and strengthening user makes
With experience.
As a kind of optional embodiment, communication module can include：Wireless communication module and wire communication module, its
In, wireless communication module can include at least one of：WIFI wireless communication modules, zigbee wireless communication modules；It is wired
Communication module can include RS485 communication modules.
Using the utility model above-described embodiment, the communication module in low-voltage intelligent switchgear can include radio communication
Module and wire communication module, wherein, wireless communication module can include WIFI wireless communication modules, zigbee radio communication molds
Block etc., the work of low-voltage intelligent switchgear with the terminal access low-voltage intelligent switchgear of convenient use radio communication, can be obtained
Make parameter, control low-voltage intelligent switchgear；Wire communication module can include RS485 communication modules, be communicated mould by RS485
Block can realize that data communicate in industry spot, can also be in industry spot by low-voltage intelligent switchgear and display control apparatus
It is connected, obtains the running parameter of low-voltage intelligent switchgear, and low-voltage intelligent switchgear is controlled.
It should be noted that zigbee is a kind of wireless communication technology of short distance low-power consumption, have closely, low complexity
The characteristics of degree, self-organizing, low-power consumption, low data rate, it is primarily adapted for use in and automatically controls and remote control field, can be embedded in each
Kind equipment, it is a kind of near radio group-net communication technology of cheap low-power consumption.
It should be noted that RS485 be one definition balance digital multi-drop system in driver and receiver it is electric
The standard of characteristic, can be had using the digital communications network of the standard under the conditions of remote and under environment that electronic noise is big
Imitate transmission signal.
As a kind of optional embodiment, the embodiment can also include：Relay outlet module, including it is at least one after
Electrical equipment outlet port, for being controlled to controlled device or other equipment.
Using the utility model above-described embodiment, relay outlet module is set in low-voltage intelligent switchgear, can be with
Controlled device or other equipment are controlled by relay outlet port, low-voltage intelligent switchgear place can be controlled
The operation of circuit.
Alternatively, relay outlet module can realize the control to other equipment, and acceptable and on-off model
Linkage, realizes simple I/O programmings in logic, the input and output of signal in control relay.
As a kind of optional embodiment, the embodiment can also include：On-off model acquisition module, including at least one
Individual On-off signal port, linked for monitoring all kinds of contact state amount signals, and with relay outlet module to controlled device
Or other equipment carries out logic control.
Using the utility model above-described embodiment, on-off model acquisition module is set in low-voltage intelligent switchgear,
It can be carried out by the state quantity signal of all kinds of nodes of On-off signal Port detecting, and to controlled device or other equipment
Control, so as to control the operation of low-voltage intelligent switchgear place circuit；And by On-off signal port can also with after
Electrical equipment outlet module is linked, then carries out logic control to controlled device or other equipment, it can be ensured that low-voltage intelligent switch is set
Standby place circuit can accurately be run.
Alternatively, on-off model acquisition module can realize the control to other equipment, and acceptable and relay
Outlet module links, and realizes simple I/O programmings in logic, the input and output of signal in control relay.
As a kind of optional embodiment, the embodiment can also include：In temperature-measuring module, with breaker loop
Switch contact connects, the temperature for detection switch contact.
Using the utility model above-described embodiment, in low-voltage intelligent switchgear, by temperature-measuring module and breaker
Whether switch contact connection in loop, can judge switch contact by the temperature of temperature-measuring module detection switch contact
Heating, realizes the overheat protector to low-voltage intelligent switchgear.
As a kind of optional embodiment, low voltage switch equipment can also include：Level control block, communication module, 4-
20 milliamperes of DC quantity input modules, 4-20 milliampere DC analogue quantities output module, relay outlet module, on-off model collection
Module and temperature-measuring module, wherein：CPU processor, respectively with current transformer, voltage transformer, level control block,
Communication module, 4-20 milliampere DC quantities input module, 4-20 milliampere DC analogue quantities output module, relay outlet module, open
Signal acquisition module and temperature-measuring module connection are measured in pass, for obtaining the status information of each module, and according to status information
Send corresponding control instruction.
Using the utility model above-described embodiment, CPU processor can also be included in low-voltage intelligent switchgear, by CPU
Processor inputs mould with current transformer, voltage transformer, level control block, communication module, 4-20 milliamperes DC quantity respectively
Block, 4-20 milliampere DC analogue quantities output module, relay outlet module, on-off model acquisition module and temperature survey
Module connects, and the status information of each module is obtained, so as to which the status information collected is analyzed by CPU processor
Processing, corresponding control instruction is drawn, and the control instruction is sent into each module, control the operation of each module.
The utility model additionally provides a kind of preferred embodiment, and the preferred embodiment provides a kind of low-voltage intelligent switch and set
It is standby.
Fig. 2 is according to a kind of schematic diagram of low-voltage intelligent switchgear circuit of the utility model embodiment, such as Fig. 2 institutes
Show, including：Level control block 1,4-20mA DC analogue quantities module 2, wireless WIFI module 3, RS485 communication modules 4, electric current
Transformer 5, relay outlet module 6, voltage transformer 7, on-off model acquisition module 8, temperature-measuring module 9 and 4-
20mA analog outputs port 10.
Alternatively, level control block is used for the switching of capacitor module, IGBT can be used to control, 8 kinds of plans can be achieved
Reactive-load compensation slightly.
Alternatively, 4-20mA DC analogue quantities module can be believed with the sensing of the non-electric quantities such as collecting temperature, pressure, flow
Number.
Alternatively, wireless wifi module, internet, or access 4G networks are had access to.
Alternatively, RS485 communication modules, it is possible to achieve the data communication of industry spot, low-voltage intelligent can also be switched
Equipment is connected with display control apparatus, obtains the running parameter of low-voltage intelligent switchgear, and low-voltage intelligent switchgear is entered
Row control.
Alternatively, current transformer, it is possible to achieve measurement and metering to primary circuit.
Alternatively, relay outlet module, it is possible to achieve the control to other equipment, can also join with on-off model
It is dynamic, realize simple I/O programmings in logic.
Alternatively, voltage transformer, it is possible to achieve measurement and metering to primary circuit, complete the power supply of secondary device.
Alternatively, on-off model acquisition module, it is possible to achieve the control to other equipment, and can be with exit relay
Linkage, realizes simple I/O programmings in logic.
Alternatively, temperature-measuring module, the temperature rise of switch contact can be measured, realizes that the excess temperature of low-voltage intelligent switch is protected
Shield.
Alternatively, 4-20mA analog outputs port, it is possible to achieve exported to the pick-up of sampling circuit, realize transmitter work(
Energy.
Using the utility model above-described embodiment, pass through structure design, electromagnetic compatibility technology, integrated technology, iron
Magnetic alloy progress of disease technology, embedded technology etc., conventional circuit breaker and intelligent electronic device are permeated, and are turned into intelligence
Low-voltage circuit breaker.Low-voltage intelligent circuit breaker has division circuit, the breaking arc of breaker, the programmable long-range behaviour of controller concurrently
Make, electric energy quality monitoring, the watt metering of electric instrument, the fault comprehensive protection of microcomputer complex protection device, observing and controlling, signal condition prison
Survey, technical process control, the idle switching of energy-saving compensating device, the 4-20mA signal outputs of all kinds of electricity ginseng transmitters, temperature control is set
Standby 4-20mA samplings, communication include RS485 and WIFI, realize comprehensive fusion of low-voltage electrical one or two times.Setting after fusion
It is standby that highly intelligent computing can be achieved, there is the work(such as recognition of face, single channel encryption, remote maintenance, mobile inspection, aerial upgrade
Energy.
Using the utility model above-described embodiment, low-voltage intelligent switchgear uses wireless WIFI communication, embeds web services
Device and Internet of Things mechanics of communication, by active uploads such as Switch main body electric quantity data, status data, diagnostic messages into cloud, equipment
Information is decontroled comprehensively, it is not necessary to any special stipulations and agreement, you can is provided for green intelligent distribution system reliable, abundant
Data are supported.User can access the website of intelligent terminal with the Quick Response Code in scanning device or input network address by network.
Acquisition includes the visual picture information such as equipment operation condition, operation oscillogram, power phasor diagram, on off state.Can also be by setting
Surely realize relay protection, safeguard the interactive information such as prompting, the value that transfinites alarm.
Using the utility model above-described embodiment, Energy Saving Control port that low-voltage intelligent switchgear carries can control
The capacitance module of standard realizes one-to-one compensation to current supply circuit, compensation capacitor is installed in low tension switch drawout cubicle, intelligence
Can breaker completes in 10 milliseconds the fine reactive-load compensation of High-speed transient to the loop, realization according to the load condition in the loop
Energy-efficient optimization.
Using the utility model above-described embodiment, breaker is the key element of power supply-distribution system, is to form power system
One of visual plant, low-voltage intelligent switchgear can not only play a part of breaker, complete the break-make of current supply circuit, also
The collection and upload of all data messages of the current supply circuit can be completed, these information include：Information about power (the electricity of current supply circuit
Stream, voltage, power, power factor, phase, electricity, harmonic content), the operation information of breaker (close a floodgate, tripping operation, failure point
Lock), the temperature information of breaker metallic(return) circuit, the fault message (protection act information) of current supply circuit, the flow of production process,
The procedural informations such as pressure, temperature, angle, position.Intelligent breaker is just derived from it as the part in wisdom chemical plant
Various information that is effective, carrying clock marks in real time can be provided, can be provided for wisdom chemical plant and a variety of be based on big data
The O＆M reference of analysis and decision-making foundation.
Using the utility model above-described embodiment, low-voltage intelligent switchgear can include breaking function, have disjunction special
Property and isolation characteristic, the mechanical life of the low-voltage intelligent switchgear can reach 3000 times, and current interruption number can reach 1000
It is secondary
Using the utility model above-described embodiment, low-voltage intelligent switchgear has relay protection function, the relay protection
Function can include：Short-circuit protection (IEC 51N), overcurrent protection, a variety of inverse-time overcurrent protections, asymmetric fault protection (electricity
Type), overvoltage protection, under-voltage protection, zero-sequence current protection, earth leakage protective, overload protection, overtemperature protection (motor
Type), rotation-clogging protection (motor-type), underload protection and shake electric protection.
Using the utility model above-described embodiment, low-voltage intelligent switchgear has measuring function, the measuring
Function can include：Measure three-phase current, measurement three-phase voltage, measurement frequency, measurement active power, measurement reactive power, survey
Measure power factor, measurement active electrical degree (four-quadrant), measure idle electric degree (four-quadrant), measurement total degrees of ammeters, measurement harmonic wave point
Amount and measurement circuit breaker internal three-phase contact temperature amount.
Using the utility model above-described embodiment, low-voltage intelligent switchgear has energy-saving compensated function, the energy-saving compensated
Function can include：The compartment compensation of object-oriented, calculate and provide idle work optimization suggestion, a variety of compensation policies, Yi Jizhen
To load fluctuation transient compensation.
Using the utility model above-described embodiment, low-voltage intelligent switchgear has control function, and the control function can be with
Including：Five roads definable control relay outlet and three tunnels can control IGBT level outlet.
Using the utility model above-described embodiment, low-voltage intelligent switchgear can carry out non-electrical analog acquisition, for example,
4 road 4-20mA pick-ups amount collections, can be supervised to the non-electrical variable quantity such as flow, flow velocity, pressure, temperature, humidity, angle, position
Survey.
Using the utility model above-described embodiment, low-voltage intelligent switchgear can carry out signaling switch amount input, for example,
8 way switch amounts input, and can be directly accessed AC/DC220V voltages, definable semaphore attribute, may participate in control logic.
Using the utility model above-described embodiment, low-voltage intelligent switchgear possesses communication and pick-up output function, and this is logical
Letter and pick-up output function can include：Wireless wifi communications, embed web site access module, encryption cloud service communication, RS-
The 2 road 4-20mA pick-ups amount outputs and man-machine interactive operation system that 485 serial communications, modbus-RTU communications, parameter can be set
System.
Using the utility model above-described embodiment, low-voltage intelligent switchgear possesses fire alarm function, the fire alarm
Function can include：Three-phase contact overtemperature alarm, residual current monitoring, smoke detector access interface, combustable gas concentration monitoring, with
And fire alarm controlled by sound and light.
Using the utility model above-described embodiment, low-voltage intelligent switchgear can include line-incoming breaker, the inlet wire
The measurement function of type breaker can include：Measure three-phase current, measurement three-phase voltage, measurement frequency, measurement power, measurement work(
Rate factor, measurement electric energy, measurement Voltage unbalance rate, measurement Phase sequence detection and measurement need to use value measurement；Line-incoming open circuit
The environment monitoring function of device can include：Thermal capacity monitoring, environment temperature monitoring, ambient humidity monitoring and cigarette sense monitoring；Should
The defencive function of line-incoming breaker can include：Line becomes device optical fiber differential protective, short-circuit protection, overcurrent protection, overload guarantor
Shield, the protection of inverse-time overcurrent protection asymmetric fault, overvoltage protection, incoming fibers prepared auto restart, main power source recover haul oneself willingly into, three-phase
Contact overheat protector and value protection need to be used.It should be noted that the line-incoming for becoming device optical fiber differential protective function with line breaks
Road device can be the frame circuit breaker with optical fiber, the principle of the frame circuit breaker and the basic phase of principle of plastics case circuit breaker
Together, the frame circuit breaker is without reactive-load compensation, with two-way fiber optic communication.
Using the utility model above-described embodiment, low-voltage intelligent switchgear can include mother type breaker, the mother
The measurement function of type breaker can include：Measure three-phase current, measurement negative-sequence current, measurement three-phase voltage, measurement voltage not
Balanced ratio, measurement frequency, measurement Phase sequence detection and measurement need to use value measurement；The environment monitoring function of the mother type breaker
It can include：Thermal capacity monitoring, environment temperature monitoring, ambient humidity monitoring and cigarette sense monitoring；The guarantor of the mother type breaker
Protective function can include：Charge protection, overcurrent protection, optical fiber prepared auto restart, mistake voltage protection, after accelerated protection, three-phase contact mistake
Temperature is protected and need to use value protection.
Using the utility model above-described embodiment, low-voltage intelligent switchgear can include electric motor type breaker, the electricity
The measurement function of motivation type breaker can include：Three-phase current, measurement earth current are measured, leakage current is measured, measures and bear
Sequence electric current, measurement three-phase voltage, measurement Voltage unbalance rate, measurement frequency, measurement power, measurement power factor, measurement electric energy,
Value measurement need to be used by measuring Phase sequence detection and measurement；The environment monitoring function of the electric motor type breaker can include：Thermal capacity
Monitoring, environment temperature monitoring, ambient humidity monitoring and cigarette sense monitoring；The energy-saving monitoring of the electric motor type breaker can wrap
Include：Harmonic measure, phase angle measurement, reactive demand measurement and contactor number of operations statistics；The guarantor of the electric motor type breaker
Protective function can include：It is short-circuit protection, overcurrent protection, motor protection against overheat, tE guardtimes, earth-fault protection, non-right
Error protection, current imbalance protection, overvoltage protection, rotation-clogging protection, underpower protection, undercurrent protection, under-voltage is claimed to protect
Shield, earth leakage protective (external transformer), shake electric protection (starting contactor), three-phase contact overheat protector and value protection need to be used.
Using the utility model above-described embodiment, low-voltage intelligent switchgear can include feeding out type breaker, and this feeds out
The measurement function of type breaker can include：Measure three-phase current, measurement earth current, measurement leakage current, measurement negative phase-sequence electricity
Stream, measurement three-phase voltage, measurement Voltage unbalance rate, measurement frequency, measurement power, measurement power factor, measurement electric energy, measurement
Phase sequence detection and measurement need to use value measurement；The environment monitoring function for feeding out type breaker can include：Thermal capacity monitoring,
Environment temperature monitoring, ambient humidity monitoring and cigarette sense monitoring；The energy-saving monitoring for feeding out type breaker can include：Harmonic wave
Measurement, phase angle measurement, reactive demand measurement and contactor number of operations statistics；The defencive function for feeding out type breaker can
With including：Short-circuit protection, overcurrent protection, overload protection, inverse-time overcurrent protection, earth-fault protection, asymmetric fault are protected
Shield, overvoltage protection, under-voltage protection, UFLS protection, earth leakage protective (external transformer), rolling electric protection (start contact
Device), three-phase contact overheat protector and value protection need to be used.
Fig. 3 is according to a kind of schematic diagram of low-voltage intelligent switchgear application case of the utility model embodiment, such as Fig. 3
Shown, I section 10kV circuits are connected with one end of I section line-incoming breakers, in this connection by unit transformer Intelligent protection measuring controller
It is monitored, and unit transformer Intelligent protection measuring controller is established with I section line-incomings breaker and communicated to connect, and carries out fiber optic communication
With optical difference protection, I section line-incoming breakers the other end access I section 380V circuits, then with intelligent switch (electric motor type breaker
Or feed out type breaker) connection, control the operation of motor.II sections circuit is identical with I section circuits, and here is omitted.In addition,
Segmentation intelligent switch (mother type breaker) is connected between I section 380V circuits and II section 380V circuits and broken with I section line-incomings
Road device and II section line-incoming breakers establish fiber optic communication.
It should be noted that line-incoming breaker and mother type breaker can carry two-way optical communication interface, it is used for
Short-term road optical fiber differential protective, the main guarantor of Large Copacity house transformer can be collectively formed with unit transformer Intelligent protection measuring controller
Shield, and mother type breaker realizes being switched fast for stand-by power supply with inlet wire intelligent breaker by fiber optic communication, so as to ensure
The power supply of important load is continuous, improves power supply reliability.
Above-mentioned the utility model embodiment sequence number is for illustration only, does not represent the quality of embodiment.
In above-described embodiment of the present utility model, the description to each embodiment all emphasizes particularly on different fields, in some embodiment
The part not being described in detail, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, others can be passed through
Mode is realized.Wherein, device embodiment described above is only schematical, such as the division of the unit, Ke Yiwei
A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
Connect, can be electrical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in each embodiment of the utility model can be integrated in a processing unit,
Can be that unit is individually physically present, can also two or more units it is integrated in a unit.It is above-mentioned integrated
Unit can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. low voltage switch equipment, it is characterised in that including：Breaker loop, is connected with three phase mains and controlled device respectively, for controlling the controlled device power on/off；Current transformer, it is connected with the breaker loop, for detecting the current signal in the breaker loop；AndVoltage transformer, it is connected with the breaker loop, for detecting the voltage signal in the breaker loop, and is described Other module for power supply in low voltage switch equipment in addition to the breaker loop.
- 2. low voltage switch equipment according to claim 1, it is characterised in that also include：Level control block, including at least one Energy Saving Control port, for controlling the switching of capacitor module, to current supply circuit Reactive-load compensation is carried out, wherein, the capacitor module is arranged in the low voltage switch equipment drawout cubicle.
- 3. low voltage switch equipment according to claim 1, it is characterised in that also include：4-20 milliampere DC analogue quantity input modules, including at least one 4-20 milliamperes DC analogue quantity input port, for adopting Collect the non-electric quantity signal in the low voltage switch equipment, and the non-electric quantity signal is converted into visual amount signal, wherein, The non-electric quantity signal includes at least one of：Temperature signal, pressure signal, flow signal.
- 4. low voltage switch equipment according to claim 1, it is characterised in that also include：4-20 milliampere DC analogue quantity output modules, including at least one 4-20 milliamperes DC analogue quantity output port, for defeated Go out the pick-up signal of corresponding sampling circuit.
- 5. low voltage switch equipment according to claim 1, it is characterised in that also include：Communication module, for by the low voltage switch equipment and network connection.
- 6. low voltage switch equipment according to claim 5, it is characterised in that the communication module includes：Wireless communication module, including at least one of：WIFI wireless communication modules, zigbee wireless communication modules；Wire communication module, including RS485 communication modules.
- 7. low voltage switch equipment according to claim 1, it is characterised in that also include：Relay outlet module, including at least one relay outlet port, for the controlled device or other equipment It is controlled.
- 8. low voltage switch equipment according to claim 7, it is characterised in that also include：On-off model acquisition module, including at least one On-off signal port, for monitoring all kinds of contact state amount signals, And logic control is carried out to the controlled device or other equipment with relay outlet module linkage.
- 9. low voltage switch equipment according to claim 1, it is characterised in that also include：Temperature-measuring module, it is connected with the switch contact in the breaker loop, for detecting the temperature of the switch contact.
- 10. low voltage switch equipment according to any one of claim 1 to 9, it is characterised in that the low voltage switch equipment Also include：Level control block, communication module, 4-20 milliampere DC quantities input module, 4-20 milliamperes DC analogue quantity output mould Block, relay outlet module, on-off model acquisition module and temperature-measuring module, wherein：CPU processor, respectively with the current transformer, the voltage transformer, the level control block, the communication mould Block, the 4-20 milliamperes DC quantity input module, the 4-20 milliamperes DC analogue quantity output module, the relay outlet mold Block, the on-off model acquisition module and temperature-measuring module connection, for obtaining the status information of each module, And corresponding control instruction is sent according to the status information.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720371195.XU CN206628714U (en) | 2017-04-10 | 2017-04-10 | Low voltage switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720371195.XU CN206628714U (en) | 2017-04-10 | 2017-04-10 | Low voltage switch equipment |
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| CN206628714U true CN206628714U (en) | 2017-11-10 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616997A (en) * | 2018-12-17 | 2019-04-12 | 北京德威特电气科技股份有限公司 | The optimization method and device of air switch, circuit |
| CN109755925A (en) * | 2019-01-08 | 2019-05-14 | 李邦华 | The accurate state maintenance method of configurable circuit breaker based on existing failed storage data |
| CN110137040A (en) * | 2019-05-20 | 2019-08-16 | 南京觅丹电子信息有限公司 | A kind of four-in-one intelligent breaker |
| CN110597143A (en) * | 2019-09-29 | 2019-12-20 | 浙江巨磁智能技术有限公司 | Wireless intelligent circuit breaker |
| CN113241740A (en) * | 2021-05-11 | 2021-08-10 | 中国电力科学研究院有限公司 | Solid-state circuit breaker with arc fault protection |
| CN113595223A (en) * | 2021-07-29 | 2021-11-02 | 陈佃鹏 | Power-off switching system with multiple regions serving as standby power supplies |
| CN113991853A (en) * | 2021-10-28 | 2022-01-28 | 南平昊伟新能源科技有限公司 | Intelligent switch system |
| CN114252782A (en) * | 2021-11-05 | 2022-03-29 | 中国航发南方工业有限公司 | Integrated form on-line monitoring device |
| CN114578163A (en) * | 2022-03-04 | 2022-06-03 | 台州安耐杰电力设备有限公司 | Low-voltage loop measurement and control terminal |
| CN114766905A (en) * | 2022-03-18 | 2022-07-22 | 松下家电(中国)有限公司 | Control method of pressure cooking appliance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109616997A (en) * | 2018-12-17 | 2019-04-12 | 北京德威特电气科技股份有限公司 | The optimization method and device of air switch, circuit |
| CN109755925A (en) * | 2019-01-08 | 2019-05-14 | 李邦华 | The accurate state maintenance method of configurable circuit breaker based on existing failed storage data |
| CN109755925B (en) * | 2019-01-08 | 2021-06-25 | 李邦华 | Configurable breaker accurate state overhauling method based on existing fault storage data |
| CN110137040A (en) * | 2019-05-20 | 2019-08-16 | 南京觅丹电子信息有限公司 | A kind of four-in-one intelligent breaker |
| CN110597143A (en) * | 2019-09-29 | 2019-12-20 | 浙江巨磁智能技术有限公司 | Wireless intelligent circuit breaker |
| CN113241740A (en) * | 2021-05-11 | 2021-08-10 | 中国电力科学研究院有限公司 | Solid-state circuit breaker with arc fault protection |
| CN113595223A (en) * | 2021-07-29 | 2021-11-02 | 陈佃鹏 | Power-off switching system with multiple regions serving as standby power supplies |
| CN113595223B (en) * | 2021-07-29 | 2023-10-17 | 陈佃鹏 | Power-off switching system with multiple areas being standby power supplies |
| CN113991853A (en) * | 2021-10-28 | 2022-01-28 | 南平昊伟新能源科技有限公司 | Intelligent switch system |
| CN114252782A (en) * | 2021-11-05 | 2022-03-29 | 中国航发南方工业有限公司 | Integrated form on-line monitoring device |
| CN114252782B (en) * | 2021-11-05 | 2024-01-26 | 中国航发南方工业有限公司 | Integrated on-line monitoring device |
| CN114578163A (en) * | 2022-03-04 | 2022-06-03 | 台州安耐杰电力设备有限公司 | Low-voltage loop measurement and control terminal |
| CN114766905A (en) * | 2022-03-18 | 2022-07-22 | 松下家电(中国)有限公司 | Control method of pressure cooking appliance |
| CN114766905B (en) * | 2022-03-18 | 2024-04-19 | 松下家电(中国)有限公司 | Control method of pressure cooking appliance |
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Address after: 101300 No. 17, Juyuan Middle Road, Mapo Juyuan Industrial Zone, Shunyi District, Beijing Patentee after: Beijing DeWitt electric Polytron Technologies Inc Address before: 101300 No. 17, Juyuan Middle Road, Mapo Juyuan Industrial Zone, Shunyi District, Beijing Patentee before: Beijing Devote Relay Protection Technology Co., Ltd. |