CN106327805A - Automatic alarm system for fusing device - Google Patents
Automatic alarm system for fusing device Download PDFInfo
- Publication number
- CN106327805A CN106327805A CN201610633672.5A CN201610633672A CN106327805A CN 106327805 A CN106327805 A CN 106327805A CN 201610633672 A CN201610633672 A CN 201610633672A CN 106327805 A CN106327805 A CN 106327805A
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- China
- Prior art keywords
- fusing
- fault
- automatic alarm
- fault message
- alarm system
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/74—Testing of fuses
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Alarm Systems (AREA)
Abstract
The invention puts forward an automatic alarm system for a fusing device. The automatic alarm system comprises the fusing device arranged on a power line, a fault detection device, a fault information automatic alarm terminal and a remote control platform, wherein the fusing device comprises a positioning rack and a fuse protector arranged on the positioning rack, and the fault detection device is used for detecting temperature of the fuse protector; the fault information automatic alarm terminal comprises a fault determination unit, a fault information storage unit and a fault information sending unit; the fault determination unit is connected with the fault detection device; if temperature of the fuse protector detected by the fault detection device is greater than a preset temperature threshold value and duration time exceeds a preset time threshold value, that the fusing device fails is determined, fault information and fault position information are sent to the remote control platform via the fault information sending unit, the fault information is stored in the fault information storage unit, the remote control platform receives the fault information and the fault position information, and alarms can be sent out via an acousto-optical warning device.
Description
Technical field
The present invention relates to the automatic alarm system of a kind of device for fusing, fuse failure, and automatic alarm can be monitored in real time.
Background technology
Atmosphere produces negative thundercloud during flowing, along with the accumulation of negative charge in negative thundercloud, its electric field intensity by
Cumulative add, when reaching to a certain degree, i.e. start ladder-type downwards and jump electric discharge, referred to as descending leader electric discharge.When under this
When row guide moves closer to ground object and reaches certain distance, ground object produces point discharge under highfield effect, and
Forming upward leader, and develop towards descending leader direction, both i.e. define lightning channel after joining, and are the formation of thunder therewith
Electricity.It is generally believed that when thunder and lightning descending leader develops downwards from thundercloud, its ladder-type jumps only to be affected by ambient atmosphere,
The target that neither one determines.Only when completing last ladder-type and jumping, it just must select one and be hit object.Cause
This, can install arrester on protected object, makes upward leader and descending leader join, to avoid thunderbolt.
Arrester is exactly the metal object being specifically used to accept thunder and lightning.The metallic rod connecing sudden strain of a muscle is referred to as discharging rod, connects the gold of sudden strain of a muscle
Belong to line and be referred to as lightning conducter, connect the metal tape of sudden strain of a muscle, wire netting is referred to as lighting proof strip, lightning conduction.Discharging rod exceeds protected object, again and greatly
Be joined directly together, when lightning leader close to time, between it and thundercloud, electric field intensity is maximum, thus can be inhaled by the passage of thundercloud discharge
Guide to discharging rod itself, and with grounding device, lightning current is released in the earth safely through downlead, make protected object body
From direct stroke.
Owing to outdoor transmission line of electricity generally sets up in high-altitude, easily become the object that hit of thunder and lightning, thus built on stilts defeated
Generally equipped with overlapping lightning arrester in electric line more.But, after lightning arrester damages, lightning-arrest effect can be lost, as can not be timely
Find the lightning arrester of fault, easily make circuit be struck by lightning, cause large-area power-cuts.
Outdoor transmission line of electricity is usually installed with fuse.Fuse refers to when electric current exceedes setting, produces with itself
Raw heat makes melt fuse, a kind of electrical equipment of disconnecting circuit.Fuse be exceed setting a period of time according to electric current after, with
The heat himself produced makes Melt molten, so that circuit disconnects;Use a kind of current protector that this principle is made.Molten
Disconnected device is widely used in high and low voltage electric distribution system and control system and electrical equipment, as short circuit and the protection of overcurrent
Device, is to apply one of most common protection device.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.
To this end, it is an object of the present invention to propose the automatic alarm system of a kind of device for fusing, it is possible to detect in real time
The duty of fuse, when damaging, sends alarm, it is simple to overhaul in time in time.
The automatic alarm system of device for fusing according to embodiments of the present invention, including: the fusing being arranged on power circuit
Device, described device for fusing includes locating rack and the fuse being located on described locating rack;Failure detector, described fault is examined
After survey device includes voltage transformer, voltage measuring apparatus summation current transformer, described voltage transformer and described fuse
End connect, described voltage measuring apparatus is connected in the secondary circuit of described voltage transformer, described current transformer once around
Group is the ground path of described device for fusing, and the secondary windings in series of described current transformer has ammeter;Fault message is automatic
Alarm terminal and remote console, described fault message automatic alarm terminal includes that the storage of breakdown judge unit, fault message is single
Unit and fault information generation unit, described voltage measuring apparatus and described ammeter are connected with described breakdown judge unit respectively,
Described breakdown judge unit obtains magnitude of voltage from described voltage measuring apparatus, obtains current value from described ammeter, when described electricity
Pressure value exceedes predetermined voltage threshold or time described current value exceedes predetermined current threshold, it is judged that for described device for fusing fault, and
By fault information generation unit, fault message and fault location information are sent to described remote console;Described long-range control
Platform receives fault message and fault location information, reports to the police.
The automatic alarm system of device for fusing according to embodiments of the present invention, utilizes failure detector to detect fusing in real time
The voltage of device or electric current, when described magnitude of voltage exceedes predetermined voltage threshold or described current value exceedes predetermined current threshold,
It is judged as described device for fusing fault, and by fault information generation unit, fault message and fault location information is sent to institute
State remote console;Described remote console receives fault message and fault location information, reports to the police;By native system, position
Operator in remote console can obtain fault message and abort situation in the very first time, arranges maintainer quickly to carry out
Maintenance.
An example according to the present invention, described device for fusing and described failure detector are the most multiple.
An example according to the present invention, described fault message memory element is dismountable mobile memory medium.
An example according to the present invention, described fault information generation unit is wireless base station apparatus.
An example according to the present invention, described fault message auto-alarming terminal is additionally provided with audible-visual annunciator.
An example according to the present invention, described fault message auto-alarming terminal is additionally provided with positioner.
An example according to the present invention, described fault message automatic alarm terminal includes housing and pcb board, described PCB
First face of plate is provided with electronic component, second be provided above cooling line, this cooling line is sent out with cooling gas
Generating apparatus connects, and electrically operated valve is arranged on described cooling line, and the opening of electrically operated valve is towards described electronic component and makes
The cooling air-flow of ejection is just to electronic component;The opening part of electrically operated valve is additionally provided with the valve plate being perpendicular to cool down air-flow, valve plate one
End is resisted against on spring, and the other end is connected on the opening of electrically operated valve;Described spring housing is located on sliding axle, sliding axle one end
Fixing with valve plate and be connected, the other end is fixed on spring support, and this spring support is fixing with cooling line to be connected;Described valve plate is also
Being fixedly connected with coil fixing body, this coil fixing body is provided with coil, this coil is positioned in magnetic field and is series at pcb board
In circuit loop;When coil no power in circuit loop, spring extruding valve plate makes the opening of this electrically operated valve be normally closed
State, when coil electricity in circuit loop, electrified coil promotes valve plate extrusion spring under the effect of Lorentz force so that
The opening of electrically operated valve is opened, cooling air-flow ejection;When the power of circuit loop is the biggest, the electric current in coil is the biggest, line
The Lorentz force that circle is subject to is the biggest, thus increases the valve plate extruding amplitude to spring, improves opening air output.
When using gas produced by the cooling gas or cooling gas generating unit introduced from the external world, pass through pipeline
Import to by the electronic component of heating, it is possible to use temperature lower, not by cooling that other electronic component is heated
Cooling down these electronic components with gas, cooling effect is more preferable, and rate of cooling faster, is beneficial to realize electronic component
Temperature maintain in lower level.And, by by coils connected in series to circuit board in order in the circuit of connecting electronic component,
When electronic component more needs to dispel the heat, and all thermal powers produced by it, derive from electrical power, and electrical power is the biggest, its electricity
Flow the biggest, so coil can produce bigger active force, to resist elastic force produced by spring.Bigger when producing
Elastic force time, its elastic deformation is the biggest so that the opening of electrically operated valve is the biggest, and the flow of the cooling gas that it can pass through is also
The biggest, cooling capacity is the strongest.It is achieved thereby that the different cooling effects of the electronic component for different operating temperature, or for
Same electronic component, the different cooling effects when different temperatures, thus improve cooling gas input device or cooling use
The gas generating unit work efficiency when importing equal number cooling gas, improves cooling capacity.
An example according to the present invention, stores liquid nitrogen in described cooling gas generating unit.Use the mode of liquid nitrogen
Cooling down, not only gas temperature is the lowest, and cooling capacity is strong, and will not produce the dust in air cooling and pollute electronics unit
Part surface, the problem reducing electronic element radiating ability.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the automatic alarm system of the device for fusing of the present invention;
Fig. 2 is the structural representation of the fault message automatic alarm terminal in the present invention with cooling function.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Fuse refers to when electric current exceedes setting, makes melt fuse with the heat that itself produces, the one of disconnecting circuit
Plant electrical equipment.Fuse be exceed setting a period of time according to electric current after, with himself produce heat make Melt molten, thus
Circuit is made to disconnect;Use a kind of current protector that this principle is made.Fuse be widely used in high and low voltage electric distribution system and
In control system and electrical equipment, as short circuit and the protector of overcurrent, it is to apply one of most common protection device.
Below with reference to the accompanying drawings the automatic alarm system of the device for fusing according to the present invention is described in detail.
As it is shown in figure 1, the automatic alarm system of device for fusing according to embodiments of the present invention, including: device for fusing 100,
Failure detector 200, fault message automatic alarm terminal 300 and remote console 400,
Specifically, device for fusing 100 is arranged on power circuit, and device for fusing 100 includes locating rack and is located at described
Fuse on locating rack;
Failure detector 200 includes voltage transformer, voltage measuring apparatus summation current transformer, described voltage transformer
Being connected with the rear end of described fuse, described voltage measuring apparatus is connected in the secondary circuit of described voltage transformer, described electricity
The ground path that winding is device for fusing 100 of current transformer, the secondary windings in series of described current transformer has electric current
Table;
Fault message automatic alarm terminal 300 includes that breakdown judge unit, fault message memory element and fault message are sent out
Unit, described voltage measuring apparatus and described ammeter is sent to be connected with described breakdown judge unit respectively, described breakdown judge list
Unit obtains magnitude of voltage from described voltage measuring apparatus, obtains current value from described ammeter, when described magnitude of voltage exceedes predetermined electricity
Pressure threshold value or described current value are when exceeding predetermined current threshold, it is judged that for device for fusing 100 fault, and are sent by fault message
Fault message and fault location information are sent to remote console 400 by unit;Remote console 400 receives fault message and event
Barrier positional information, reports to the police.
The automatic alarm system of device for fusing according to embodiments of the present invention, utilizes failure detector to detect fusing in real time
The voltage of device or electric current, when described magnitude of voltage exceedes predetermined voltage threshold or described current value exceedes predetermined current threshold,
It is judged as described device for fusing fault, and by fault information generation unit, fault message and fault location information is sent to institute
State remote console;Described remote console receives fault message and fault location information, reports to the police;By native system, position
Operator in remote console can obtain fault message and abort situation in the very first time, arranges maintainer quickly to carry out
Maintenance.
An example according to the present invention, device for fusing 100 and failure detector 200 are the most multiple.Institute
Stating fault message memory element is dismountable mobile memory medium.Described fault information generation unit is wireless base station apparatus.
Described fault message auto-alarming terminal is additionally provided with audible-visual annunciator.Described fault message auto-alarming terminal is additionally provided with location
Device.
Fig. 2 is the structural representation of the fault message alarm terminal 300 with refrigerating function of the present invention;
In figure, the implication that each reference represents is as follows;1, housing;2, pcb board;
11, cooling fan;12, defecator;13, cooling line;14, sliding axle;15, valve plate;16, gas outlet;17, line
Circle;19, spring support;20, exhaust outlet;21, coil fixing body;22, electronic component;23, spring.
In prior art, it is utilized in the sidewall opening of electrical equipment more, extraneous cooler air is introduced or by casing for electric appliances
The mode that interior relatively warm air is discharged cools down, or housing entirety is cooled down so that be heated at electronic component
Gas is met cold after touching housing, passed by heat, is back at electronic component after cooling again.In this type of cooling, need
The system of factor to be cooled is put in the position that gas flowing in housing to carry out integral arrangement, even electronic component
About.And, it is important to, to adopt in this way, the temperature in housing cannot decrease too low, and cools down the gas of a lot of electronic component
Be into the heated gas of other electronic components, such as, with the gas of seventy or eighty degrees Celsius, go to cool down those temperature
Degree is 100 degrees Celsius, these elements must not be cooled to five or six ten degrees Celsius, so the operating temperature of electronic component
Also cannot significantly reduce.
The fault message automatic alarm terminal of the present embodiment includes housing 1 and pcb board 2, and first of pcb board 2 is upper to install
Having electronic component 22, pcb board is provided with the electronic circuit for electrically connecting electronic component 22, and electronic circuit is in series with electrodynamic valve
The coil 17 of door, coil 17 is set on the coil fixing body 21 being connected fixing with valve plate 15, when coil 17 is moved, line
Circle fixing body 21 also can drive valve plate 15 to be moved, and coil 17 is arranged in magnetic field, and the direction in magnetic field is represented by ⊙ in the drawings,
Magnetic field can be produced by U magnet, and magnetic field is for controlling valve core movement to change the openings of sizes of electrically operated valve, the magnetic in magnetic field
It is axial that sense line is perpendicular to coil, and the opening part of electrically operated valve is provided with the spring 23 being connected with valve plate 15, and spring 23 is set in cunning
On moving axis 14, sliding axle 14 is also fixing with valve plate 15 to be connected, and the other end of spring 23 is against and is fixedly mounted on cooling line 13
Spring support 19 on, spring 23 is for promoting valve plate 15 to close the opening of electrically operated valve, and electrically operated valve is arranged on cooling tube
On road 13, gas outlet 16 setting direction of electrically operated valve is so that the air-flow sprayed by opening sprays towards electronic component 22, cold
But pipeline 13 is positioned at second side of pcb board 2, and second is the reverse side of first, and cooling line 13 is defeated with cooling gas
Enter device or cooling gas generating unit connects.
Wherein the air inlet of cooling line 13 uses the mode from housing external admission, particularly, by cooling gas inlet
Device air inlet, through defecator 12, then has cooling fan 11 to be blown in cooling line 13.
When using gas produced by the cooling gas or cooling gas generating unit introduced from the external world, pass through pipeline
The electronic component 22 importing to heating is other, it is possible to use temperature lower, the most heated by other electronic component 22
These electronic components 22 are cooled down by cooling gas, and cooling effect is more preferable, and rate of cooling faster, is beneficial to realize electricity
The temperature of sub-element 22 maintains in lower level.And, by coil 17 being connected in series to circuit board in order to connect electronics unit
In the circuit of part 22, when electronic component 22 more needs to dispel the heat, and all thermal powers produced by it, derive from electrical power, and
Electrical power is the biggest, and its electric current is the biggest, so coil 17 can produce bigger active force, band moving winding fixing body 21 and valve
The plate 15 right side in figure is moved, to resist elastic force produced by spring 23.When bigger elastic force can be produced, its elastic shape
Becoming the biggest so that the opening of electrically operated valve is the biggest, the flow of the cooling gas that it can pass through is the biggest, and cooling capacity is more
By force.It is achieved thereby that the different cooling effects of the electronic component 22 for different operating temperature, or for same electronic component 22,
Different cooling effects when different temperatures, thus improve cooling gas input device or cooling gas generating unit exists
Import work efficiency during equal number cooling gas, improve cooling capacity.
It is understood that 1. the spring in Fig. 2 is spiral compression spring, this spring is used for promoting valve plate, so that drawing
QI KOU is closed, it is also possible to replacing with spiral stretching spring and torsionspring, those skilled in the art all can be according to the application's
Design is directly realized by these technical schemes without creative work;2. Fig. 2 uses by the way of air inlet, introduce cooling
With gas, liquid nitrogen actually can also be utilized to produce the nitrogen of cooling, it is achieved cooling, use the mode of liquid nitrogen to carry out cold
But, not only gas temperature is the lowest, and cooling capacity is strong, and the dust that will not produce in air cooling pollutes electronic component table
Face, the problem reducing electronic element radiating ability.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " up time
Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In describing the invention, " multiple " are meant that two or more, unless separately
There is the most concrete restriction.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral;Can be that machinery connects
Connect, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to concrete feelings
Condition understands above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (8)
1. the automatic alarm system of a device for fusing, it is characterised in that including:
The device for fusing being arranged on power circuit, described device for fusing includes locating rack and the fusing being located on described locating rack
Device;
Failure detector, described failure detector includes voltage transformer, voltage measuring apparatus summation current transformer, described
Voltage transformer is connected with the rear end of described fuse, and described voltage measuring apparatus is connected on the secondary circuit of described voltage transformer
In, the ground path that a winding is described device for fusing of described current transformer, the Secondary Winding of described current transformer
It is in series with ammeter;
Fault message automatic alarm terminal and remote console, described fault message automatic alarm terminal includes breakdown judge list
Unit, fault message memory element and fault information generation unit, described voltage measuring apparatus and described ammeter are respectively with described
Breakdown judge unit connects, and described breakdown judge unit obtains magnitude of voltage from described voltage measuring apparatus, obtains from described ammeter
Obtain current value, when described magnitude of voltage exceedes predetermined voltage threshold or described current value exceedes predetermined current threshold, it is judged that for institute
State device for fusing fault, and by fault information generation unit, fault message and fault location information be sent to described long-range control
Platform processed;Described remote console receives fault message and fault location information, reports to the police.
The automatic alarm system of device for fusing the most according to claim 1, it is characterised in that described device for fusing and described
Failure detector is the most multiple.
The automatic alarm system of device for fusing the most according to claim 1, it is characterised in that the storage of described fault message is single
Unit is dismountable mobile memory medium.
The automatic alarm system of device for fusing the most according to claim 1, it is characterised in that described fault message sends single
Unit is wireless base station apparatus.
The automatic alarm system of device for fusing the most according to claim 1, it is characterised in that described fault message is accused automatically
Alert terminal is additionally provided with audible-visual annunciator.
The automatic alarm system of device for fusing the most according to claim 1, it is characterised in that described fault message is accused automatically
Alert terminal is additionally provided with positioner.
The automatic alarm system of device for fusing the most according to claim 1, it is characterised in that described fault message is reported automatically
Alert terminal includes housing and pcb board, and the first face of described pcb board is provided with electronic component, second be provided above cooling
Pipeline, this cooling line connects with cooling gas generating unit, and electrically operated valve is arranged on described cooling line, electrically operated valve
Opening towards described electronic component and make ejection cooling air-flow just to electronic component;The opening part of electrically operated valve is additionally provided with
Being perpendicular to cool down the valve plate of air-flow, valve plate one end is resisted against on spring, and the other end is connected on the opening of electrically operated valve;Described bullet
Spring is set on sliding axle, and sliding axle one end and valve plate are fixing to be connected, and the other end is fixed on spring support, this spring support and
Cooling line is fixing to be connected;Described valve plate is also fixedly connected with coil fixing body, this coil fixing body is provided with coil, this line
Circle is positioned in magnetic field and is series in the circuit loop of pcb board;When coil no power in circuit loop, spring extruding valve plate
The opening making this electrically operated valve is normally off, and when coil electricity in circuit loop, electrified coil is in Lorentz force
Effect is lower promotes valve plate extrusion spring so that the opening of electrically operated valve is opened, cooling air-flow ejection;Power when circuit loop
Time the biggest, the electric current in coil is the biggest, and the Lorentz force that coil is subject to is the biggest, thus increases the valve plate extruding width to spring
Degree, improves opening air output.
The automatic alarm system of device for fusing the most according to claim 7, it is characterised in that described cooling gas occurs
Device stores liquid nitrogen.
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CN201610633672.5A CN106327805A (en) | 2016-08-04 | 2016-08-04 | Automatic alarm system for fusing device |
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CN201610633672.5A CN106327805A (en) | 2016-08-04 | 2016-08-04 | Automatic alarm system for fusing device |
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