CN205899772U - Fuse device's automatic alarm system - Google Patents
Fuse device's automatic alarm system Download PDFInfo
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- CN205899772U CN205899772U CN201620841439.1U CN201620841439U CN205899772U CN 205899772 U CN205899772 U CN 205899772U CN 201620841439 U CN201620841439 U CN 201620841439U CN 205899772 U CN205899772 U CN 205899772U
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- fusing
- automatic alarm
- infrared ray
- temperature
- fault
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Abstract
The utility model provides a fuse device's automatic alarm system, include: the fuse device of setting on power line, fuse device include the locating rack and establish the fuse on the locating rack, infrared ray temperature sensing determine module, infrared ray temperature sensing determine module is used for detecting the temperature of fuse, trouble information automatic alarm terminal and remote control console, trouble information automatic alarm terminal includes fault judgment unit, trouble information storage unit and trouble information transmitting section, fault judgment unit links to each other with infrared ray temperature sensing determine module, if the temperature of the fuse that infrared ray temperature sensing determine module detected is greater than the predetermined temperature threshold value, and last above the schedule time threshold value, judge then that fuse device breaks down, then send trouble information and fault position information for remote control console through trouble information transmitting section, simultaneously in trouble information storage unit storage failure information, remote control console receiving fault information and fault position information, report to the police through audible and visual alarm.
Description
Technical field
The utility model is related to a kind of automatic alarm system of device for fusing, can real-time monitoring fuse failure, and automatically
Report to the police.
Background technology
Atmosphere produces negative thundercloud during flowing, with the accumulation of negative electrical charge in negative thundercloud, its electric-field intensity by
Cumulative plus, when reaching to a certain degree, that is, start downwards ladder-type 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 forceful electric power field action, and
Form upward leader, and develop towards descending leader direction, both 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 jump is only affected by ambient atmosphere,
The target that neither one determines.Only when completing the jump of last ladder-type, it just must select one and be hit object.Cause
This, can install arrester on protected object, so that upward leader and descending leader is joined, to avoid being struck by lightning.
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 lightning 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.Lightning rod exceeds protected object, and and big
Be joined directly together, when lightning leader is close, its electric-field intensity and thundercloud between is maximum, thus can inhale the passage of thundercloud discharge
Guide to lightning rod itself, and lightning current is safely released in the earth through downlead and earthing or grounding means, make protected object body
From direct stroke.
Because outdoor transmission line of electricity generally sets up in high-altitude, easily become thunder and lightning is hit object, thus overhead defeated
Generally equipped with many set lightning arresters in electric line.But, after lightning arrester damages, lightning-arrest effect can be lost, such as can not be timely
Find the lightning arrester of fault, so that circuit is 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, produce with itself
Raw heat makes melt fuse, a kind of electrical equipment of disconnecting circuit.Fuse be according to electric current exceed setting for a period of time after, with
The heat that its own produces makes Melt molten, so that circuit disconnects;A kind of current protector made with this principle.Molten
Disconnected device is widely used in high and low voltage electric distribution system and control system and electrical equipment, as the protection of short circuit and overcurrent
Device, is to apply one of most common protection device.
Utility model content
The utility model is intended at least solve one of technical problem in correlation technique to a certain extent.
For this reason, a purpose of the present utility model is to propose a kind of automatic alarm system of device for fusing, can be real-time
The working condition of detection fuse, when damaging, sends alarm in time, is easy to overhaul in time.
Automatic alarm system according to device for fusing of the present utility model, comprising: be arranged on the fusing dress on power circuit
Put, described device for fusing includes locating rack and the fuse being located on described locating rack;Infrared ray temperature-sensitive detection components, described red
Outside line temperature-sensitive detection components are used for detecting the temperature of described fuse;Fault message automatic alarm terminal and remote console, institute
State fault message automatic alarm terminal and include breakdown judge unit, fault message memory cell and fault information generation unit, institute
State breakdown judge unit to be connected with described infrared ray temperature-sensitive detection components, if the institute that described infrared ray temperature-sensitive detection components detect
The temperature stating fuse is more than predetermined temperature threshold, and is continued above scheduled time threshold value, then judge that described device for fusing occurs
Fault, then be sent to described remote console by described fault information generation unit by fault message and fault location information,
Store fault message in described fault message memory cell, described remote console receives fault message and fault bit confidence simultaneously
Breath, is reported to the police by acoustic-optic alarm.
According to the automatic alarm system of device for fusing of the present utility model, using infrared ray temperature-sensitive detection components real-time detection
The temperature of fuse, if the temperature of described fuse that described infrared ray temperature-sensitive detection components detect is more than predetermined temperature threshold
Value, and be continued above scheduled time threshold value, then judge that described device for fusing breaks down, by described fault information generation unit
Fault message and fault location information are sent to described remote console, store event in described fault message memory cell simultaneously
Barrier information, described remote console receives fault message and fault location information, is reported to the police by acoustic-optic alarm;Pass through
The system, the operating personnel positioned at remote console can obtain fault message and abort situation in the very first time, arranges maintenance people
Member is quickly keeped in repair.
According to an example of the present utility model, described device for fusing and described infrared ray temperature-sensitive detection components are one a pair
That answers is multiple.
According to an example of the present utility model, described device for fusing is multiple, and described infrared ray temperature-sensitive detection components are also
Including turntable, described infrared ray temperature-sensitive detection components are arranged on described turntable, and rotate with described turntable, one by one to multiple institutes
State device for fusing and carry out temperature detection.
According to an example of the present utility model, described turntable includes underframe, horizontally rotates portion and drive described level to turn
The motor of dynamic portion action, described horizontally rotate portion and pass through the rotating shaft that is vertically arranged be connected with described underframe.
According to an example of the present utility model, described turntable also includes a vertical rotation section, and described vertical rotation section sets
Put and horizontally rotate in portion described, and described infrared ray temperature-sensitive detection components are arranged on described vertical rotation section.
According to an example of the present utility model, described fault message automatic alarm terminal is additionally provided with positioner.
According to an example of the present utility model, described fault message automatic alarm terminal includes housing and pcb plate, described
First face of pcb plate is provided with electronic component, and the top in the second face is provided with cooling line, this cooling line and cooling gas
Generating means connects, and electrically operated valve is arranged on described cooling line, and the opening of electrically operated valve towards described electronic component and makes
The cooling air-flow that must spray is just to electronic component;It is additionally provided with the valve plate perpendicular to cooling air-flow, valve plate at the opening of electrically operated valve
One end is resisted against on spring, and the other end is connected on the opening of electrically operated valve;Described spring is set on sliding axle, sliding axle one
End is fixedly connected with valve plate, and the other end is fixed on spring support, and this spring support is fixedly connected with cooling line;Described valve plate
Also it is fixedly connected with coil fixing body, this coil fixing body is provided with coil, this coil is located in magnetic field and is series at pcb plate
Circuit loop in;When the coil no power in circuit loop, it is normal that spring extruding valve plate makes the opening of this electrically operated valve
Closed state, when the coil electricity in circuit loop, electrified coil promotes valve plate extrusion spring in the presence of Lorentz force, makes
The opening obtaining electrically operated valve is opened, and cooling air-flow sprays;When the power of circuit loop is bigger, the electric current in coil is bigger,
The Lorentz force that coil is subject to is also bigger, thus increasing the extruding amplitude to spring for the valve plate, improves opening air output.
When using from the extraneous cooling gas introducing or gas produced by cooling gas generating unit, by pipeline
Import to by the electronic component of heating, it is possible to use temperature lower, not by the heated cooling of other electronic components
With gas, these electronic components are cooled down, more preferably, cooling velocity faster, is beneficial to and realizes electronic component cooling effect
Temperature maintain in lower level.And, by coil is connected in series to circuit board in order in the circuit of connecting electronic component,
When electronic component more needs to radiate, and all thermal powers produced by it, derive from electrical power, and electrical power is bigger, its electricity
Stream is also bigger, so coil can produce bigger active force, to resist elastic force produced by spring.Bigger when producing
Elastic force when, its elastic deformation is bigger so that the opening of electrically operated valve is bigger, the flow of the cooling gas that it can pass through
Bigger, cooling capacity is stronger.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 in different temperatures, thus improve cooling gas input device or cooling use
The operating efficiency when importing equal number cooling gas for the gas generating unit, improves cooling capacity.
According to an example of the present utility model, in described cooling gas generating unit, store liquid nitrogen.Using liquid nitrogen
Mode is cooled down, and not only gas temperature is very low, and cooling capacity is strong, and the dust that will not produce in air cooling pollutes electricity
Subcomponent surface, reduces the problem of electronic element radiating ability.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below
In become obvious, or recognized by practice of the present utility model.
Brief description
Fig. 1 is the schematic diagram of the automatic alarm system of device for fusing of the present utility model;
Fig. 2 is the structural representation of the fault message automatic alarm terminal in the utility model with cooling function.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of described embodiment is shown in the drawings, wherein ad initio
To the element that same or similar label represents same or similar element or has same or like function eventually.Below by ginseng
The embodiment examining Description of Drawings is exemplary it is intended to be used for explaining the utility model, and it is not intended that to the utility model
Restriction.
Fuse refers to that the heat when electric current exceedes setting, producing with itself makes melt fuse, the one of disconnecting circuit
Plant electrical equipment.Fuse be according to electric current exceed setting for a period of time after, Melt molten is made with the heat that its own produces, thus
Circuit is made to disconnect;A kind of current protector made with this principle.Fuse be widely used in high and low voltage electric distribution system and
In control system and electrical equipment, as the protector of short circuit and overcurrent, it is to apply one of most common protection device.
Below with reference to the accompanying drawings to describe the automatic alarm system according to device for fusing of the present utility model in detail.
As shown in figure 1, the automatic alarm system according to device for fusing of the present utility model, comprising: device for fusing 100, red
Outside line temperature-sensitive detection components 200, fault message automatic alarm terminal 300 and remote console 400.
Specifically, device for fusing 100 is arranged on power circuit, and described device for fusing includes locating rack and is located at described
Fuse on locating rack;
Infrared ray temperature-sensitive detection components 200 are used for detecting the temperature of described fuse;
Fault message automatic alarm terminal 300 includes breakdown judge unit, fault message memory cell and fault message and sends out
Send unit, described breakdown judge unit is connected with described infrared ray temperature-sensitive detection components, if described infrared ray temperature-sensitive detection components
The temperature of the described fuse detecting is more than predetermined temperature threshold, and is continued above scheduled time threshold value, then judge described molten
Disconnected device breaks down, then by described fault information generation unit, fault message and fault location information are sent to long-range control
Platform 400 processed, stores fault message in described fault message memory cell simultaneously, and described remote console receives fault message and event
Barrier positional information, is reported to the police by acoustic-optic alarm.Wherein, predetermined temperature threshold and scheduled time threshold value can pass through warp
Test value to set, this will be understood by those skilled in the art.
According to the automatic alarm system of device for fusing of the present utility model, using infrared ray temperature-sensitive detection components real-time detection
The temperature of fuse, if the temperature of described fuse that described infrared ray temperature-sensitive detection components detect is more than predetermined temperature threshold
Value, and be continued above scheduled time threshold value, then judge that described device for fusing breaks down, by described fault information generation unit
Fault message and fault location information are sent to described remote console, store event in described fault message memory cell simultaneously
Barrier information, described remote console receives fault message and fault location information, is reported to the police by acoustic-optic alarm;Pass through
The system, the operating personnel positioned at remote console can obtain fault message and abort situation in the very first time, arranges maintenance people
Member is quickly keeped in repair.
According to an example of the present utility model, device for fusing 100 and infrared ray temperature-sensitive detection components 200 can be for one by one
Corresponding multiple.
According to an example of the present utility model, device for fusing is multiple 100, and infrared ray temperature-sensitive detection components 200 are also wrapped
Include turntable, infrared ray temperature-sensitive detection components 200 are arranged on described turntable, and rotate with described turntable, one by one to multiple fusing
Device 100 carries out temperature detection.Advantageously, described turntable include underframe, horizontally rotate portion and drive described in horizontally rotate portion move
The motor made, described horizontally rotate portion and pass through the rotating shaft that is vertically arranged be connected with described underframe.Further, described turntable
Also include a vertical rotation section, described vertical rotation section be arranged on described in horizontally rotate in portion, and described infrared ray temperature-sensitive detection
Assembly is arranged on described vertical rotation section.Advantageously, described fault message automatic alarm terminal is additionally provided with positioner.
Fig. 2 is the structural representation of the fault message alarm terminal 300 with refrigerating function of the present utility model;
In figure, the implication that each reference represents is as follows;1st, housing;2nd, pcb plate;
11st, cooling fan;12nd, filter;13rd, cooling line;14th, sliding axle;15th, valve plate;16th, gas outlet;17th, line
Circle;19th, spring support;20th, exhaust outlet;21st, coil fixing body;22nd, electronic component;23rd, 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 cooled down, or housing integrally cooled down so that being heated at electronic component
Gas touches after housing to the cold, heat is passed, is back at electronic component after cooling again.In this type of cooling, need
Integral arrangement is carried out to the gas flowing in housing, or even the system of also factor to be cooled is put in the position of electronic component
About.And it is important to, adopt in this way, the temperature in housing cannot decrease too low, cool down the gas of a lot of electronic components
Be just into the heated gas of other electronic components, for example, with the gas of seventy or eighty degrees Celsius, go to cool down those temperature
Spend for 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 plate 2, and the first face of pcb plate 2 is installed
There is electronic component 22, pcb plate is provided with the electronic circuit for electrically connecting electronic component 22, and electronic circuit is in series with motor-driven valve
The coil 17 of door, coil 17 is set on the coil fixing body 21 being fixedly connected 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 figure,
Magnetic field can be produced by horseshoe magnet, and magnetic field is used for controlling the magnetic to change the openings of sizes of electrically operated valve, in magnetic field for the valve core movement
Sense line perpendicular to coil axially, is provided with the spring 23 being connected with valve plate 15, spring 23 is set in cunning at the opening of electrically operated valve
On moving axis 14, sliding axle 14 is also fixedly connected with valve plate 15, and the other end of spring 23 is against and is fixedly mounted on cooling line 13
Spring support 19 on, spring 23 be used for promote valve plate 15 to be arranged on cooling tube to close the opening of electrically operated valve, electrically operated valve
On road 13, gas outlet 16 setting direction of electrically operated valve is so that the air-flow being sprayed by opening sprays towards electronic component 22, cold
But pipeline 13 is located at the second face side of pcb plate 2, and the second face is the reverse side in the first face, and cooling line 13 is defeated with gas with cooling
Enter device or cooling gas generating unit connects.
The air inlet of wherein cooling line 13 using by the way of housing external admission, particularly, by cooling gas inlet
Device air inlet, through filter 12, then has cooling fan 11 to be blown in cooling line 13.
When using from the extraneous cooling gas introducing or gas produced by cooling gas generating unit, by pipeline
Import to by the electronic component 22 of heating, it is possible to use temperature lower, not heated by other electronic components 22
Cooling is cooled down to these electronic components 22 with gas, and more preferably, cooling velocity faster, is beneficial to and realizes electricity cooling effect
The temperature of subcomponent 22 maintains in lower level.And, by coil 17 is 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 radiate, and all thermal powers produced by it, derive from electrical power, and
Electrical power is bigger, and its electric current is also bigger, so coil 17 can produce bigger active force, band moving winding fixing body 21 and valve
Plate 15 moves to the right side of in figure, to resist elastic force produced by spring 23.When bigger elastic force can be produced, its elastic shape
The flow becoming the bigger cooling gas that so that opening of electrically operated valve is bigger, it can pass through is also bigger, and cooling capacity is got over
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 in different temperatures, thus improve cooling gas input device or cooling gas generating unit exists
Import operating 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
Gas port is closed, and may be replaced by 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. use in Fig. 2 and introduce cooling by way of air inlet
With gas, actually can also produce the nitrogen of cooling using liquid nitrogen, realize cooling, carried out cold by the way of liquid nitrogen
But, not only gas temperature is very low, and cooling capacity is strong, and the dust that will not produce in air cooling pollutes electronic component table
Face, reduces the problem of electronic element radiating ability.
In description of the present utility model it is to be understood that term " " center ", " longitudinal ", " horizontal ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable
The orientation of instruction such as hour hands ", " counterclockwise ", " axial ", " radially ", " circumferential " or position relationship are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify description, rather than instruction or hint indication device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating 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 description of the present utility model, " multiple " are meant that two or more, remove
Non- separately have clearly specifically limit.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral;Can be
It is mechanically connected or electrically connect;Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning in the utility model for the above-mentioned term.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be the first and second feature directly contacts, or the first and second features pass through intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " permissible
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible
Any one or more embodiments or example combine in an appropriate manner.Additionally, in the case of not conflicting, this area
Technical staff the feature of the different embodiments described in this specification or example and different embodiment or example can be entered
Row combines and combines.
Although of the present utility model embodiment has been shown and described above it is to be understood that above-described embodiment is
Exemplary it is impossible to be interpreted as that those of ordinary skill in the art is in scope of the present utility model to restriction of the present utility model
Interior above-described embodiment can be changed, change, replacing and modification.
Claims (8)
1. a kind of automatic alarm system of device for fusing is it is characterised in that include:
It is arranged on the device for fusing on power circuit, described device for fusing includes locating rack and the fusing being located on described locating rack
Device;
Infrared ray temperature-sensitive detection components, described infrared ray temperature-sensitive detection components are used for detecting the temperature of described fuse;
Fault message automatic alarm terminal and remote console, described fault message automatic alarm terminal includes breakdown judge list
Unit, fault message memory cell and fault information generation unit, described breakdown judge unit and described infrared ray temperature-sensitive detection group
Part is connected, if the temperature of described fuse that described infrared ray temperature-sensitive detection components detect is more than predetermined temperature threshold, and holds
Continue and exceed scheduled time threshold value, then judge that described device for fusing breaks down, then will be former by described fault information generation unit
Barrier information and fault location information are sent to described remote console, simultaneously in described fault message memory cell storage fault letter
Breath, described remote console receives fault message and fault location information, is reported to the police by acoustic-optic alarm.
2. the automatic alarm system of device for fusing according to claim 1 is it is characterised in that described device for fusing and described
Infrared ray temperature-sensitive detection components are multiple correspondingly.
3. the automatic alarm system of device for fusing according to claim 1 is it is characterised in that described device for fusing is many
Individual, described infrared ray temperature-sensitive detection components also include turntable, and described infrared ray temperature-sensitive detection components are arranged on described turntable, and
Rotate with described turntable, one by one temperature detection is carried out to multiple described device for fusing.
4. device for fusing according to claim 3 automatic alarm system it is characterised in that described turntable include underframe,
Horizontally rotate portion and horizontally rotate the motor of portion's action described in driving, described horizontally rotate the rotating shaft that portion passes through to be vertically arranged
It is connected with described underframe.
5. device for fusing according to claim 4 automatic alarm system it is characterised in that described turntable also include one erect
Straight rotation section, described vertical rotation section be arranged on described in horizontally rotate in portion, and described infrared ray temperature-sensitive detection components are arranged on
On described vertical rotation section.
6. the automatic alarm system of device for fusing according to claim 1 is it is characterised in that described fault message is reported automatically
Alert terminal is additionally provided with positioner.
7. the automatic alarm system of device for fusing according to claim 1 is it is characterised in that described fault message is reported automatically
Alert terminal includes housing and pcb plate, and the first face of described pcb plate is provided with electronic component, and the top in the second face is provided with cooling
Pipeline, this cooling line is connected 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 spray cooling air-flow just to electronic component;It is additionally provided with the opening of electrically operated valve
Perpendicular to the valve plate of cooling 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 is fixedly connected with valve plate, and the other end is fixed on spring support, this spring support with
Cooling line is fixedly connected;Described valve plate is also fixedly connected with coil fixing body, this coil fixing body is provided with coil, this line
Circle is located in magnetic field and is series in the circuit loop of pcb plate;When the coil no power in circuit loop, spring extrudes valve plate
The opening making this electrically operated valve is normally off, and when the coil electricity in circuit loop, electrified coil is in Lorentz force
Effect is lower to promote valve plate extrusion spring so that the opening of electrically operated valve is opened, and cooling air-flow sprays;Power when circuit loop
When bigger, the electric current in coil is bigger, and the Lorentz force that coil is subject to is also bigger, thus increasing the extruding width to spring for the valve plate
Degree, improves opening air output.
8. the automatic alarm system of device for fusing according to claim 7 is it is characterised in that described cooling gas occurs
Liquid nitrogen is stored in device.
Priority Applications (1)
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CN201620841439.1U CN205899772U (en) | 2016-08-04 | 2016-08-04 | Fuse device's automatic alarm system |
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CN201620841439.1U CN205899772U (en) | 2016-08-04 | 2016-08-04 | Fuse device's automatic alarm system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106228762A (en) * | 2016-08-04 | 2016-12-14 | 常德威迪电气有限责任公司 | The automatic alarm system of device for fusing |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106228762A (en) * | 2016-08-04 | 2016-12-14 | 常德威迪电气有限责任公司 | The automatic alarm system of device for fusing |
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