CN209709661U - Safety utilization of electric power intelligent protection device - Google Patents
Safety utilization of electric power intelligent protection device Download PDFInfo
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- CN209709661U CN209709661U CN201920601172.2U CN201920601172U CN209709661U CN 209709661 U CN209709661 U CN 209709661U CN 201920601172 U CN201920601172 U CN 201920601172U CN 209709661 U CN209709661 U CN 209709661U
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Abstract
The utility model discloses safety utilization of electric power intelligent protection devices, are related to electrical equipment technical field, its key points of the technical solution are that: including distribution box and host computer, intelligent protection device and breaker are equipped in distribution box；The single-chip microcontroller that intelligent protection device is equipped with current sense detection module and connect with current sense detection module；Current sense detection module includes current sensor, leakage current sensor and short-circuit detecting device；Current sense detection module is connected with signal amplifier；Breaker is connected with automatic recovery of power supply module；Automatic recovery of power supply module includes intermediate relay, the time relay and bridge shape current rectifying and wave filtering circuit.With the working condition for capableing of real-time monitoring power supply circuit and rapidly and accurately analyze and determine electric leakage, electric shock and short circuit current failure; and the accurate movement of breaker progress is controlled according to fault, having reliable safeguard protection is realized to power supply circuit, and the effect that power supply system restores electricity can be controlled after troubleshooting.
Description
Technical field
The utility model relates to electrical equipment technical fields, more specifically, it relates to safety utilization of electric power intelligent protection device.
Background technique
Production and life all be unable to do without electric energy, electrical to pacify with the development and the improvement of people's living standards of national economy
Dress technical requirements are also higher and higher, and certain Electrical Safety also can not be ignored, and also have various safeguard measures, such as fuse at present,
Breaker, mating protection between earth leakage protective device grade, but limited by plant machinery performance, setting parameter and service life etc.,
It can sometimes occur to fail action message when malfunction or failure generation.Therefore, current Electrical Safety protects intelligent water
Flat there are also development spaces, will also become inexorable trend.
In the prior art, safety utilization of electric power intelligent protection device mainly includes between fuse, breaker, earth leakage protective device grade
Mating protection device.
Safety utilization of electric power intelligent protection device in the prior art is limited by plant machinery performance, setting parameter and service life etc.
System cannot carry out power supply system fault precisely and rapidly to monitor, so that safety utilization of electric power intelligent protection device pair
The reliability that power supply system circuit carries out safeguard protection reduces, to influence normal power supply or bring security risk, and in electricity
Power supply system can not be controlled after the troubleshooting of road carries out automatic recovery of power supply.
Utility model content
The purpose of the utility model is to provide safety utilization of electric power intelligent protection devices, have and are capable of real-time monitoring power supply circuit
Working condition and rapidly and accurately analyze and determine electric leakage, electric shock and short circuit current failure, and according to fault control breaker into
Precisely movement has reliable safeguard protection to power supply circuit realization to row, and can control power supply system after troubleshooting and restore to supply
The effect of electricity.
The above-mentioned technical purpose of the utility model has the technical scheme that safety utilization of electric power intelligent protection
Device, the host computer including distribution box and with distribution box communication connection, the power supply circuit in the distribution box are connected with intelligent guarantor
Protection unit and breaker, the intelligent protection device are connect with breaker；The intelligent protection device is detected equipped with current sense
Module and the single-chip microcontroller connecting with current sense detection module, the single-chip microcontroller are connect with breaker；The current sense detection
Module includes the current sensor, leakage current sensor and short-circuit detecting device for monitoring power supply circuit current information；It is described
Current sense detection module is connected with signal amplifier；The signal amplifier is connect with single-chip microcontroller；The breaker is connected with
Automatic recovery of power supply module；The automatic recovery of power supply module include the intermediate relay of circuit connection where with breaker, when
Between relay and the bridge shape current rectifying and wave filtering circuit for powering to the time relay, the intermediate relay and the time relay with
Single-chip microcontroller connection.
By using above-mentioned technical proposal, during distribution box is that user is powered, by breaker, convenient for cutting
Break and connects load circuit；It, being capable of electric current shape to power supply circuit by the current sense detection module in intelligent protection device
State carries out real-time monitoring；By current sensor, the information of electric current in power supply circuit, and the electricity that can will be experienced can be experienced
Stream information, which is for conversion into, complies with standard the electric signal of needs or the information of other forms is transmitted to single-chip microcontroller；Then, pass through monolithic
Data processor in machine is analyzed and is handled to the current information that current sensor is experienced, and to the current information
It analyzes result and carries out record storage, then single-chip microcontroller issues control command to breaker according to the analysis result to the current information
And control breaker and carry out cutting circuit, realize the protection work to circuit；By leakage current sensor, convenient in induction line
Leakage current signal, and the leakage current signal that will test is transferred to single-chip microcontroller；Single-chip microcontroller receives leakage current sensor
After the leakage current information sensed, by the analytical judgment program in implantation single-chip microcontroller, which is carried out
Analysis and judgement, so as to analyze and determine out the position of line electrical leakage；Meanwhile when route exist leak electricity when, single-chip microcontroller according to
The leakage current delivering control command that leakage current sensor senses to breaker and control breaker carry out cutting electricity
The work on road, to realize earth leakage protective；By short-circuit detecting device, convenient for the short trouble information in real-time monitoring route,
And the short trouble information is transferred to single-chip microcontroller；Then single-chip microcontroller receives after the short trouble is believed to the short trouble information
It is analyzed and is handled, when route is there are when short-circuit conditions, single-chip microcontroller is believed according to the short trouble that short-circuit detecting device detects
Breath control breaker carries out the work of cutting circuit, to realize short-circuit protection；By signal amplifier, it is convenient for current sense
The information that device, leakage current sensor and short-circuit detecting device sense carries out conversion amplification, consequently facilitating single-chip microcontroller is connected to essence
Quasi- information, consequently facilitating guaranteeing the letter that single-chip microcontroller senses current sensor, leakage current sensor and short-circuit detecting device
The precision for being handled and being analyzed is ceased, consequently facilitating the information that single-chip microcontroller is detected according to current sense detection module is to open circuit
Device is accurately controlled；After fault exclusion, by automatic recovery of power supply module, it is convenient for automatic recovery of power supply；Pass through
Current sensor, leakage current sensor, short-circuit detecting device, breaker and the automatic recovery of power supply module being connect with single-chip microcontroller,
Convenient for the current state information of real-time monitoring power supply circuit, and breaker is controlled according to current state information and carries out cutting circuit
Work, so as to realize earth leakage protective and short-circuit protection to circuit；It, can be automatic extensive meanwhile after fault exclusion
Multiple power supply, ensures that power supply reliability.
The utility model is further arranged to: the distribution box outer wall is equipped with the touch control operation connecting with single-chip microcontroller and shows
Screen.
Single-chip microcontroller can be connect by using above-mentioned technical proposal by the touch control operation display screen being connect with single-chip microcontroller
The circuit state message that current sense detection module senses is received to be shown；Meanwhile by touch control operation display screen, it is convenient for
Staff is by operating the working condition of display control electric elements and being adjusted to the parameter of electric elements.
The utility model is further arranged to: the distribution box outer wall is equipped with the communication antenna with host computer communication connection；
The communication antenna is connect with single-chip microcontroller.
By using above-mentioned technical proposal, by communication antenna, the just communication connection between single-chip microcontroller and host computer, thus
The current state information of the circuit of current sense detection module real-time monitoring host computer is transmitted to convenient for single-chip microcontroller to show,
Consequently facilitating staff is monitored in real time by current status of the host computer to power supply circuit.
The utility model is further arranged to: the short-circuit detecting device includes that can generate pulse current and pulsed magnetic field
Impulse current generator and pulse current detector；The pulse current detector includes the detection for detecting pulsed magnetic field
The indicator elment of element and marker pulse current direction.
Pulse current can be generated by impulse current generator by using above-mentioned technical proposal, and then in route week
Enclose generation pulsed magnetic field；Include detecting element by pulse current detector, is able to detect that impulse current generator is online
The pulsed magnetic field generated around road, and utilize the instruction member in the pulsed magnetic field signal control pulse current detector detected
Part, marker pulse sense of current, so that the locality of line short fault point is determined by the direction of pulse current, thus
Convenient for finding out the position of short circuit trouble point rapidly.
The utility model is further arranged to: the distribution box is equipped with grounding monitor system；The grounding monitor system packet
The earthed system monitor for including earthed system and being connect with earthed system；The earthed system monitor is connect with single-chip microcontroller.
It is carried out by using above-mentioned technical proposal by earthed system monitor convenient for the working condition to earthed system
Real-time monitoring, and the work state information of the earthed system monitored is transferred to single-chip microcontroller and is analyzed and is handled, thus just
It is monitored in the working condition to earthed system.
The utility model is further arranged to: the distribution box is equipped with the insulating monitor connecting with single-chip microcontroller.
By using above-mentioned technical proposal, by insulating monitor, convenient for the insulation status of real-time monitoring power supply system, and
The insulation status information monitored is transferred to single-chip microcontroller to be analyzed and handled, consequently facilitating to the insulation status of power supply system
It is monitored in real time.
The utility model is further arranged to: the distribution box outer wall is equipped with the alarm module connecting with single-chip microcontroller；It is described
Alarm module includes that the alarm connecting with single-chip microcontroller, malfunction indicator lamp, catastrophe failure warning lamp and the operation troubles that can be delayed are alert
Show lamp.
Pass through the alarm connecting with single-chip microcontroller when fault occurs for power supply system by using above-mentioned technical proposal
Device, convenient for carrying out fault alarm to circuit, to facilitate prompt staff；By the work of malfunction indicator lamp, it is convenient for work
The classification of personnel's discrimination circuit failure；Meanwhile single-chip microcontroller is according to the shape of the power supply circuit of current sense detection module real-time detection
State information, and combine the fault extent of disease severity program in implantation single-chip microcontroller in advance real-time to current sense detection module
The status information of the power supply circuit of detection is analyzed and is judged；If single-chip microcontroller is by analyzing and determining out that it is serious that power supply circuit occurs
When fault, single-chip microcontroller controls alarm according to the fault information and catastrophe failure warning lamp works；If single-chip microcontroller is logical
Cross analysis judge power supply circuit appearance can be delayed operation troubles when, single-chip microcontroller according to the fault information control alarm and
The operation troubles that can be delayed warning lamp works；By the work of catastrophe failure warning lamp, power supply is distinguished convenient for staff
The degree of the fault of circuit is serious fault；By the work for the operation troubles warning lamp that can be delayed, it is convenient for work people
The degree that member distinguishes the fault of power supply circuit is that can be delayed to run fault.
The utility model is further arranged to: the malfunction indicator lamp includes short-circuit warning lamp, electric leakage indicator light and overload
Indicator light.
By using above-mentioned technical proposal, when short trouble occurs for power supply circuit, the short circuit connecting with single-chip microcontroller is indicated
Lamp carries out flashing work, consequently facilitating to staff's cue circuit fault category be short trouble；When power supply circuit leaks
When electric, by the electric leakage indicator light being connect with single-chip microcontroller, convenient for being leak current fault to the classification of staff's cue circuit failure；
When overload fault occurs for power supply circuit, by overload light, convenient for being electricity to the classification of staff's cue circuit failure
Road overload fault.
The utility model is further arranged to: the backup power source connecting with power supply circuit is equipped in the distribution box；It is described
Backup power source is connected with single-chip microcontroller control switch, and the single-chip microcontroller control switch is connect with single-chip microcontroller；The intelligent protection device
It is interior equipped with the timer being connect with single-chip microcontroller.
By using above-mentioned technical proposal, when the status information of the circuit of real-time detection is transferred to list by current detection module
After piece machine, single-chip microcontroller by being implanted into the fault extent of disease severity program in single-chip microcontroller to the status information of the circuit in advance
It is analyzed and is judged；If single-chip microcontroller analyzes and determines out that the status information of the circuit is serious fault, single-chip microcontroller control
Intelligent protection device work carries out protection work to power supply circuit, disconnects original power supply circuit；Meanwhile single-chip microcontroller controls monolithic
Machine control switch work, so that backup power source works, so that backup power source can be after serious fault
Continue to be powered important load；If single-chip microcontroller analyzes and determines out that the status information of the circuit is that can be delayed to run fault
When, single-chip microcontroller controls timer and carries out timework；When being delayed for timer record runs time of fault and reach volume
Failure does not exclude yet when entering the delay runing time in single-chip microcontroller, then single-chip microcontroller issues control command to intelligent protection device and carries out
Circuit protection work, disconnects original power supply circuit；Meanwhile single-chip microcontroller control single chip computer control switch works, so that standby
It is worked with power supply, wants load to be powered so that backup power source can continue counterweight after delay cut-off.
In conclusion the utility model has the following beneficial effects: by breaker, convenient for being switched off and on load electricity
Road；By the current sense detection module in intelligent protection device, real-time monitoring can be carried out to the current status of power supply circuit；
By current sensor, the information of electric current in power supply circuit can be experienced, and the current information experienced can be for conversion into
The information of the electric signal or other forms that comply with standard needs is transmitted to single-chip microcontroller；Then, pass through the data processing in single-chip microcontroller
Device is analyzed and is handled to the current information that current sensor is experienced, and is remembered to the analysis result of the current information
Address book stored, then single-chip microcontroller according to the current information analysis result issue control command to breaker and control breaker into
Row cutting circuit, realizes the protection work to circuit；By leakage current sensor, convenient for the leakage current letter in induction line
Number, and the leakage current signal that will test is transferred to single-chip microcontroller；Single-chip microcontroller receives the leakage that leakage current sensor senses
After electric current information, by the analytical judgment program in implantation single-chip microcontroller, which is analyzed and judged, from
And it can analyze and determine out the position of line electrical leakage；Meanwhile when leaking electricity, single-chip microcontroller is according to leakage current sensor sense when route exists
The leakage current delivering control command that should be arrived is to breaker and controls the work that breaker carries out cutting circuit, thus real
Existing earth leakage protective；By short-circuit detecting device, convenient for the short trouble information in real-time monitoring route, and the short trouble is believed
Breath is transferred to single-chip microcontroller；Then single-chip microcontroller is analyzed and is handled to the short trouble information after receiving short trouble letter,
When route is there are when short-circuit conditions, the short trouble information control breaker that single-chip microcontroller is detected according to short-circuit detecting device is carried out
The work for cutting off circuit, to realize short-circuit protection；By signal amplifier, it is convenient for current sensor, leakage current sensor
Conversion amplification is carried out with the information that short-circuit detecting device senses, consequently facilitating single-chip microcontroller is connected to accurately information, thus just
It is handled and is analyzed in the information for guaranteeing that single-chip microcontroller senses current sensor, leakage current sensor and short-circuit detecting device
Precision, consequently facilitating the information that single-chip microcontroller is detected according to current sense detection module accurately controls breaker
System；After fault exclusion, by automatic recovery of power supply module, it is convenient for automatic recovery of power supply；Pass through what is connect with single-chip microcontroller
Current sensor, leakage current sensor, short-circuit detecting device, breaker and automatic recovery of power supply module supply convenient for real-time monitoring
The current state information of circuit, and the work that breaker carries out cutting circuit is controlled according to current state information, so as to
Realize the earth leakage protective and short-circuit protection to circuit；Meanwhile fault exclusion after, can automatic recovery of power supply, thus really
Power supply reliability is protected.
Detailed description of the invention
Fig. 1 is the structural schematic diagram in the utility model embodiment；
Fig. 2 is the structural block diagram in the utility model embodiment.
In figure: 1, distribution box；2, host computer；3, intelligent protection device；4, breaker；5, current sense detection module；6,
Single-chip microcontroller；7, current sensor；8, leakage current sensor；9, short-circuit detecting device；10, signal amplifier；11, automatic to restore to supply
Electric module；12, intermediate relay；13, the time relay；14, bridge shape current rectifying and wave filtering circuit；15, touch control operation display screen；16,
Communication antenna；17, impulse current generator；18, pulse current detector；19, detecting element；20, indicator elment；21, it is grounded
System；22, earthed system monitor；23, insulating monitor；24, alarm module；25, alarm；26, catastrophe failure warning lamp；
27, can be delayed operation troubles warning lamp；28, malfunction indicator lamp；29, short-circuit indicator light；30, leak electricity indicator light；31, standby electricity
Source；32, single-chip microcontroller control switch；33, timer；34, overload light.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing 1-2.
Embodiment: safety utilization of electric power intelligent protection device 3, as depicted in figs. 1 and 2, including distribution box 1 and logical with distribution box 1
The host computer 2 of connection is interrogated, the power supply circuit in distribution box 1 is connected with intelligent protection device 3 and breaker 4, intelligent protection device 3
It is connect with breaker 4.The list that intelligent protection device 3 is equipped with current sense detection module 5 and connect with current sense detection module 5
Piece machine 6, single-chip microcontroller 6 are connect with breaker 4.Current sense detection module 5 includes the electricity for monitoring power supply circuit current information
Flow sensor 7, leakage current sensor 8 and short-circuit detecting device 9.Current sense detection module 5 is connected with signal amplifier 10.Letter
Number amplifier 10 is connect with single-chip microcontroller 6.Breaker 4 is connected with automatic recovery of power supply module 11.Automatic recovery of power supply module 11 is wrapped
It includes with the intermediate relay 12 of 4 place circuit connection of breaker, the time relay 13 and for powering to the time relay 13
Bridge shape current rectifying and wave filtering circuit 14, intermediate relay 12 and the time relay 13 are connect with single-chip microcontroller 6.
In the present embodiment, distribution box 1 is made of metal material, and intelligent protection device 3 passes through electric elements and distribution
The metal shell of case 1 connects, to form the earthed system 21 of intelligent protection device 3.It is what user was powered in distribution box 1
In the process, by breaker 4, load circuit can be switched off and on.Mould is detected by the current sense in intelligent protection device 3
Block 5 can carry out real-time monitoring to the current status of power supply circuit.By current sensor 7, it can experience electric in power supply circuit
The information of stream, and the current information experienced can be for conversion into and comply with standard the electric signal of needs or the information of other forms
It is transmitted to single-chip microcontroller 6.Then, by the data processor in single-chip microcontroller 6, current information that current sensor 7 is experienced into
Row analysis and processing, and record storage is carried out to the analysis result of the current information, then single-chip microcontroller 6 is according to the current information
Analysis result issue control command to breaker 4 and control breaker 4 and carry out cutting circuit, realize the protection work to circuit
Make.By leakage current sensor 8, convenient for the leakage current signal in induction line, and the leakage current signal that will test is passed
It is handed to single-chip microcontroller 6.After single-chip microcontroller 6 receives the leakage current information that leakage current sensor 8 senses, by being implanted into single-chip microcontroller
Analytical judgment program in 6 is analyzed and is judged to the leakage current information, so as to analyze and determine out line electrical leakage
Position.Meanwhile when route has the leakage current delivering that when leaking electricity, single-chip microcontroller 6 is sensed according to leakage current sensor 8
Control command to breaker 4 and control breaker 4 carry out cutting circuit work, to realize earth leakage protective.It is examined by short circuit
Device 9 is surveyed, convenient for the short trouble information in real-time monitoring route, and the short trouble information is transferred to single-chip microcontroller 6.Then
Single-chip microcontroller 6 is analyzed and is handled to the short trouble information after receiving short trouble letter, when there are short-circuit conditions for route
When, the short trouble information control breaker 4 that single-chip microcontroller 6 is detected according to short-circuit detecting device 9 carries out the work of cutting circuit,
To realize short-circuit protection.By signal amplifier 10, convenient for current sensor 7, leakage current sensor 8 and short-circuit detecting are filled
It sets the information that 9 sense and carries out conversion amplification, consequently facilitating single-chip microcontroller 6 is connected to accurately information, consequently facilitating guaranteeing monolithic
The information that machine 6 senses current sensor 7, leakage current sensor 8 and short-circuit detecting device 9 is handled and is analyzed accurate
Degree, consequently facilitating the information that single-chip microcontroller 6 is detected according to current sense detection module 5 accurately controls breaker 4.In
After fault excludes, by automatic recovery of power supply module 11, it is convenient for automatic recovery of power supply.Pass through the electricity connecting with single-chip microcontroller 6
Flow sensor 7, leakage current sensor 8, short-circuit detecting device 9, breaker 4 and automatic recovery of power supply module 11, convenient for prison in real time
The current state information of power supply circuit is surveyed, and the work that breaker 4 carries out cutting circuit is controlled according to current state information, thus
It can be realized the earth leakage protective and short-circuit protection to circuit.Meanwhile fault exclusion after, can automatic recovery of power supply, from
And ensure power supply reliability.
1 outer wall of distribution box is equipped with the touch control operation display screen 15 connecting with single-chip microcontroller 6.
In the present embodiment, by the touch control operation display screen 15 being connect with single-chip microcontroller 6, single-chip microcontroller 6 can be received
The circuit state message that current sense detection module 5 senses is shown.Meanwhile by touch control operation display screen 15, it is convenient for
Staff is by operating the working condition of display control electric elements and being adjusted to the parameter of electric elements.
1 outer wall of distribution box is equipped with the communication antenna 16 with 2 communication connection of host computer.Communication antenna 16 is connect with single-chip microcontroller 6.
In the present embodiment, by communication antenna 16, the just communication connection between single-chip microcontroller 6 and host computer 2, consequently facilitating
The current state information of the circuit of 5 real-time monitoring of current sense detection module is transmitted to host computer 2 and shown by single-chip microcontroller 6,
Consequently facilitating staff is monitored in real time by current status of the host computer 2 to power supply circuit.
Short-circuit detecting device 9 includes the impulse current generator 17 and pulse electricity that can generate pulse current and pulsed magnetic field
Current sensor 18.Pulse current detector 18 includes the detecting element 19 and marker pulse current direction for detecting pulsed magnetic field
Indicator elment 20.
In the present embodiment, by impulse current generator 17, pulse current can be generated, and then is generated around route
Pulsed magnetic field.Include detecting element 19 by pulse current detector 18, is able to detect that impulse current generator 17 is online
The pulsed magnetic field generated around road, and utilize the instruction member in the pulsed magnetic field signal control pulse current detector 18 detected
Part 20, marker pulse sense of current, so that the locality of line short fault point is determined by the direction of pulse current, from
And convenient for finding out the position of short circuit trouble point rapidly.
Distribution box 1 is equipped with grounding monitor system.Grounding monitor system includes earthed system 21 and connect with earthed system 21
21 monitor of earthed system.21 monitor of earthed system is connect with single-chip microcontroller 6.
In the present embodiment, it by 21 monitor of earthed system, is carried out convenient for the working condition to earthed system 21 real-time
Monitoring, and the work state information of the earthed system 21 monitored is transferred to single-chip microcontroller 6 and is analyzed and is handled, consequently facilitating
The working condition of earthed system 21 is monitored.
Distribution box 1 is equipped with the insulating monitor 23 connecting with single-chip microcontroller 6.
In the present embodiment, by insulating monitor 23, convenient for the insulation status of real-time monitoring power supply system, and will monitoring
To insulation status information be transferred to single-chip microcontroller 6 and analyzed and handled, consequently facilitating the insulation status to power supply system carries out
Real time monitoring.
1 outer wall of distribution box is equipped with the alarm module 24 connecting with single-chip microcontroller 6.Alarm module 24 includes connecting with single-chip microcontroller 6
Alarm 25, malfunction indicator lamp 28, catastrophe failure warning lamp 26 and the operation troubles warning lamp 27 that can be delayed.
In the present embodiment, when fault occurs for the power supply system of distribution box 1, pass through the report connecting with single-chip microcontroller 6
Alert device 25, convenient for carrying out fault alarm to circuit, to facilitate prompt staff.By the work of malfunction indicator lamp 28, just
In the classification of staff's discrimination circuit failure.Meanwhile single-chip microcontroller 6 is according to the power supply of 5 real-time detection of current sense detection module
The status information of circuit, and the fault extent of disease severity program in implantation single-chip microcontroller 6 in advance is combined to examine current sense
The status information for surveying the power supply circuit of 5 real-time detection of module is analyzed and is judged.If single-chip microcontroller 6 is powered by analyzing and determining out
When serious fault occurs in circuit, single-chip microcontroller 6 controls alarm 25 and catastrophe failure warning lamp according to the fault information
26 work.If single-chip microcontroller 6 by analyze and determine out power supply circuit appearance can be delayed operation troubles when, single-chip microcontroller 6 is according to the circuit
Fault message control alarm 25 and the operation troubles warning lamp 27 that can be delayed work.Pass through the work of catastrophe failure warning lamp 26
Make, the degree for distinguishing the fault of power supply circuit convenient for staff is serious fault.Event is run by that can be delayed
Hinder the work of warning lamp 27, is that can be delayed to run circuit event convenient for the degree that staff distinguishes the fault of power supply circuit
Barrier.
Malfunction indicator lamp 28 includes short-circuit indicator light 29, electric leakage indicator light 30 and overload light 34.
In the present embodiment, when short trouble occurs for power supply circuit, the short-circuit indicator light 29 connecting with single-chip microcontroller 6 is carried out
Flash work, consequently facilitating to staff's cue circuit fault category be short trouble；When power supply circuit leaks electricity, lead to
The electric leakage indicator light 30 connecting with single-chip microcontroller 6 is crossed, convenient for being leak current fault to the classification of staff's cue circuit failure；Work as confession
When overload fault occurs for circuit, by overload light 34, convenient for being circuit to the classification of staff's cue circuit failure
Overload fault.
The backup power source 31 connecting with power supply circuit is equipped in distribution box 1.Backup power source 31 is connected with the control of single-chip microcontroller 6 and opens
It closes, 6 control switch of single-chip microcontroller is connect with single-chip microcontroller 6.The timer 33 connecting with single-chip microcontroller 6 is equipped in intelligent protection device 3.
In the present embodiment, it is very harmful to power supply system or direct that abnormal running, overload, short circuit and electric leakage etc. are loaded
The failure to stop working is that serious fault is.Can be delayed run fault be power supply system occur fault after can also
It is enough to work on fault of the operation without generating serious consequence in certain period of time.When current detection module is by real-time detection
Circuit status information be transferred to single-chip microcontroller 6 after, single-chip microcontroller 6 by advance be implanted into single-chip microcontroller 6 in the serious journey of fault
Degree determining program is analyzed and is judged to the status information of the circuit.If single-chip microcontroller 6 analyzes and determines out the state letter of the circuit
When breath is serious fault, single-chip microcontroller 6 controls the work of intelligent protection device 3 and carries out protection work to power supply circuit, disconnects former
Some power supply circuits.Meanwhile 6 control single chip computer of single-chip microcontroller, 6 control switch works, so that backup power source 31 works,
Load is wanted to be powered so that backup power source 31 can continue counterweight after serious fault.If the analysis of single-chip microcontroller 6 is sentenced
The status information of the disconnected circuit out is when can be delayed to run fault, and single-chip microcontroller 6 controls timer 33 and carries out timework.When
What timer 33 recorded, which be delayed, runs time of fault failure is still when reaching the delay runing time being incorporated into single-chip microcontroller 6
It does not exclude, then single-chip microcontroller 6 issues control command to intelligent protection device 3 and carries out circuit protection work, disconnects original power supply electricity
Road.Meanwhile 6 control single chip computer of single-chip microcontroller, 6 control switch works, so that backup power source 31 works, so that standby
Can continue counterweight after delay cut-off with power supply 31 wants load to be powered.
Working principle: negative convenient for being switched off and on by breaker 4 during distribution box 1 is that user is powered
Charged road.By the current sense detection module 5 in intelligent protection device 3, the current status of power supply circuit can be carried out real
When monitor.By current sensor 7, the information of electric current in power supply circuit, and the current information that can will be experienced can be experienced
It is for conversion into and complies with standard the electric signal of needs or the information of other forms is transmitted to single-chip microcontroller 6.Then, by single-chip microcontroller 6
Data processor, the current information that current sensor 7 is experienced is analyzed and is handled, and the analysis to the current information
As a result carry out record storage, then single-chip microcontroller 6 according to the current information analysis result issue control command to breaker 4 simultaneously
Control breaker 4 carries out cutting circuit, realizes the protection work to circuit.By leakage current sensor 8, convenient in induction line
Leakage current signal, and the leakage current signal that will test is transferred to single-chip microcontroller 6.Single-chip microcontroller 6 receives leakage current sensing
After the leakage current information that device 8 senses, by the analytical judgment program in implantation single-chip microcontroller 6, to the leakage current information
It is analyzed and is judged, so as to analyze and determine out the position of line electrical leakage.Meanwhile when route exists and leaks electricity, single-chip microcontroller 6
The leakage current delivering control command sensed according to leakage current sensor 8 is to breaker 4 and controls the progress of breaker 4
The work for cutting off circuit, to realize earth leakage protective.By short-circuit detecting device 9, convenient for the short circuit event in real-time monitoring route
Hinder information, and the short trouble information is transferred to single-chip microcontroller 6.Then single-chip microcontroller 6 receives short to this after the short trouble is believed
Road fault message is analyzed and is handled, and when route is there are when short-circuit conditions, single-chip microcontroller 6 is detected according to short-circuit detecting device 9
Short trouble information control breaker 4 carry out cutting circuit work, to realize short-circuit protection.Pass through signal amplifier
10, the information convenient for sensing current sensor 7, leakage current sensor 8 and short-circuit detecting device 9 carries out conversion amplification, from
And it is connected to accurately information convenient for single-chip microcontroller 6, consequently facilitating guaranteeing single-chip microcontroller 6 to current sensor 7, leakage current sensor 8
The precision that the information sensed with short-circuit detecting device 9 is handled and analyzed, consequently facilitating single-chip microcontroller 6 is according to current sense
The information that detection module 5 detects accurately controls breaker 4.After fault exclusion, supplied by restoring automatically
Electric module 11 is convenient for automatic recovery of power supply.Pass through the current sensor 7, leakage current sensor 8, short circuit inspection connecting with single-chip microcontroller 6
Device 9, breaker 4 and automatic recovery of power supply module 11 are surveyed, convenient for the current state information of real-time monitoring power supply circuit, and according to
Current state information control breaker 4 carries out the work of cutting circuit, so as to realize earth leakage protective and short circuit to circuit
Protection.Meanwhile fault exclusion after, can automatic recovery of power supply, ensure that power supply reliability.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (9)
1. safety utilization of electric power intelligent protection device (3), it is characterized in that: including distribution box (1) and upper with distribution box (1) communication connection
Position machine (2), the power supply circuit in the distribution box (1) are connected with intelligent protection device (3) and breaker (4), the intelligence guarantor
Protection unit (3) is connect with breaker (4)；The intelligent protection device (3) is equipped with current sense detection module (5) and passes with electric current
Feel the single-chip microcontroller (6) of detection module (5) connection, the single-chip microcontroller (6) connect with breaker (4)；The current sense detects mould
Block (5) includes for monitoring the current sensor of power supply circuit current information (7), leakage current sensor (8) and short-circuit detecting dress
Set (9)；The current sense detection module (5) is connected with signal amplifier (10)；The signal amplifier (10) and single-chip microcontroller
(6) it connects；The breaker (4) is connected with automatic recovery of power supply module (11)；The automatic recovery of power supply module (11) includes
The intermediate relay (12), the time relay (13) of circuit connection where with breaker (4) and for giving the time relay (13)
The bridge shape current rectifying and wave filtering circuit (14) of power supply, the intermediate relay (12) and the time relay (13) are connect with single-chip microcontroller (6).
2. safety utilization of electric power intelligent protection device (3) according to claim 1, it is characterized in that: the distribution box (1) outer wall is set
There is the touch control operation display screen (15) connecting with single-chip microcontroller (6).
3. safety utilization of electric power intelligent protection device (3) according to claim 1, it is characterized in that: the distribution box (1) outer wall is set
Have and the communication antenna (16) of host computer (2) communication connection；The communication antenna (16) connect with single-chip microcontroller (6).
4. safety utilization of electric power intelligent protection device (3) according to claim 1, it is characterized in that: the short-circuit detecting device (9)
Impulse current generator (17) and pulse current detector (18) including pulse current and pulsed magnetic field can be generated；The arteries and veins
Rushing current detector (18) includes the instruction member for detecting the detecting element of pulsed magnetic field (19) and marker pulse current direction
Part (20).
5. safety utilization of electric power intelligent protection device (3) according to claim 1 connects it is characterized in that: the distribution box (1) is equipped with
Ground monitors system；The grounding monitor system includes earthed system (21) and the earthed system (21) connecting with earthed system (21)
Monitor；Earthed system (21) monitor is connect with single-chip microcontroller (6).
6. safety utilization of electric power intelligent protection device (3) according to claim 1, it is characterized in that: the distribution box (1) be equipped with
The insulating monitor (23) of single-chip microcontroller (6) connection.
7. safety utilization of electric power intelligent protection device (3) according to claim 1, it is characterized in that: the distribution box (1) outer wall is set
There is the alarm module (24) connecting with single-chip microcontroller (6)；The alarm module (24) includes the alarm connecting with single-chip microcontroller (6)
(25), malfunction indicator lamp (28), catastrophe failure warning lamp (26) and operation troubles warning lamp (27) can be delayed.
8. safety utilization of electric power intelligent protection device (3) according to claim 7, it is characterized in that: the malfunction indicator lamp (28)
Including short-circuit indicator light (29), electric leakage indicator light (30) and overload light (34).
9. safety utilization of electric power intelligent protection device (3) according to claim 1, it is characterized in that: being equipped in the distribution box (1)
The backup power source (31) being connect with power supply circuit；The backup power source (31) is connected with single-chip microcontroller (6) control switch, the monolithic
Machine (6) control switch is connect with single-chip microcontroller (6)；The timer connecting with single-chip microcontroller (6) is equipped in the intelligent protection device (3)
(33)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920601172.2U CN209709661U (en) | 2019-04-28 | 2019-04-28 | Safety utilization of electric power intelligent protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920601172.2U CN209709661U (en) | 2019-04-28 | 2019-04-28 | Safety utilization of electric power intelligent protection device |
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| Publication Number | Publication Date |
|---|---|
| CN209709661U true CN209709661U (en) | 2019-11-29 |
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ID=68649148
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| CN201920601172.2U Expired - Fee Related CN209709661U (en) | 2019-04-28 | 2019-04-28 | Safety utilization of electric power intelligent protection device |
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| Country | Link |
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| CN (1) | CN209709661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109962446A (en) * | 2019-04-28 | 2019-07-02 | 西南科技大学城市学院 | Safety utilization of electric power intelligent protection device |
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2019
- 2019-04-28 CN CN201920601172.2U patent/CN209709661U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109962446A (en) * | 2019-04-28 | 2019-07-02 | 西南科技大学城市学院 | Safety utilization of electric power intelligent protection device |
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