A kind of shatter-proof fire-retardant free-standing low temperature power distribution cabinet
Technical field
The present invention relates to a kind of electrical equipment, specifically a kind of shatter-proof fire-retardant free-standing low temperature power distribution cabinet.
Background technology
Power distribution cabinet is the final stage device in power circuit, and the integration being mainly used in various distribution components and parts is put and mutually powered-down
The monitoring of piezoelectricity flow data shows, power distribution cabinet typically more is placed on special distribution interior, also has minority to place out of doors, distribution
During the use of cabinet, relatively common problem one is overtemperature, and one is the flare that short circuit causes, and will directly affect and join
The normal operation of electric cabinet.
Existing power distribution cabinet is in distribution indoor location air-conditioning temperature-reducing equipment for overtemperatute one, by reducing environment
Temperature is regulated and controled, and the power distribution cabinet for outdoor mounted is only capable of relying on BAIYE fan to carry out basic aeration-cooling, not only lowers the temperature
Effect is bad, and so that a large amount of dusts is entered it is difficult to clear up in cabinet, and for short-circuit flare problem, does not still have at present
There is rational solution;Additionally, because being provided with substantial amounts of components and parts in power distribution cabinet, when being given a shock it is easy to cause even
Link gets loose, or even because vibrations are excessive causes component damage, these are all the more problems met in routine use.
Chinese patent Authorization Notice No. cn205092478u discloses a kind of fire-proof electrical control cubicles, and it is gone out using dry ice
Fire and cooling, but its ventilation unit of being furnished with make inside and outside carry out air circulation, no any Insulation simultaneously, inner cryogenic ring
Border can eliminate quickly, subsequently replys hot environment again, so in the past, dry ice consumption is high, simultaneously no any safety measures,
If, it is easy to cause personnel's cold injury, its practicality is not high for the detection means operating emission dry ice when personnel overhaul.
In addition to overtemperature problem on fire, in carrying and installation, and the power distribution cabinet internal component of the open air of setting can be subject to
To larger shock, existing power distribution cabinet is not equipped with any glissando, and impact power is inhaled by internal component completely
Receive it is easy to cause circuit to come off or device damage, and Authorization Notice No. cn203826814u provide a kind of damping power distribution cabinet,
Using spring whole cabinet is carried out with damping, but it to the impulsive force of left and right directions and is applied to rushing on internal installing plate
Hit power damping effect bad, power distribution cabinet real it is desirable that protection to components and parts on installing plate, rather than to whole power distribution cabinet
Cabinet carries out protecting damping.
Content of the invention
It is an object of the invention to provide a kind of damping antidetonation, the shatter-proof fire-retardant free-standing low temperature automatically lowered the temperature and put out a fire
Power distribution cabinet, to solve the problems, such as to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of present invention offer:
A kind of shatter-proof fire-retardant free-standing low temperature power distribution cabinet, including cabinet, cabinet door and support plate, described cabinet and cabinet door pass through hinge
Connect, be connected with travel switch in described cabinet, the motion bar of travel switch is connected with cabinet door;It is provided with some groups in described cabinet
Damping device, damping device is made up of the cushion socket of two vertically symmetrical settings, and cushion socket is both connected on cabinet inwall, damping
It is criss-cross damping trough that seat medial extremity has cross section, is equipped with spring, outside damping trough in damping trough in upper and lower two cell bodies
It is provided with cushion pad, described support plate is stretched in damping trough and located at the upper and lower groove of damping trough by the opening inside cushion socket in the cell body of side
Between internal spring, the distance between two cushion pads of support plate length and left and right are identical;In cabinet, lower end is provided with temperature sensing
Device, in cabinet, upper end is provided with Smoke Sensor, and in cabinet, right side wall is provided with control device, described travel switch, temperature sensor
All it is electrically connected with the signal input part of control device with Smoke Sensor;Described cabinet upper right side has gas cylinder groove, gas cylinder groove
Interior left end is provided with gas cylinder clamping joint, and the steel pipe connecting that gas cylinder groove is outer and is horizontally set in cabinet is drawn in the outlet side of gas cylinder clamping joint
Connect, steel pipe lower end is connected with some shower nozzles, steel pipe is additionally provided with electromagnetic valve, described electromagnetic valve is electrical with the outfan of control device
Connect.
As the further scheme of the present invention: all paste outside described cabinet and cabinet door and be enclosed with heat keeper.
As the present invention further scheme: be provided with sealing gasket with cabinet door junction on described cabinet.
As the present invention further scheme: be provided with sealed door at gas cylinder channel opening on described cabinet.
Compared with prior art, the invention has the beneficial effects as follows: be furnished with four-way damping device, equal by the power of any direction
Components and parts on support plate can be provided perfect shock-absorbing protecting by available buffer damping;Two are installed using gas cylinder clamping joint in gas cylinder groove
Carbonoxide gas cylinder, changes gas cylinder conveniently, when temperature exceeding standard, temperature sensor gives signal, and control device makes electromagnetic valve open,
Cryogenic carbon dioxide gas pour in casing, are lowered the temperature, and cabinet is wrapped with heat keeper, and a jet, when can remain longer
Between low temperature state, good cooling effect, and without having to worry about extraneous dust enter cabinet in, also may be used when ambient temperature is relatively low in the winter time
Heat keeper is pulled down and is lowered the temperature using ambient temperature, using more flexible;In addition to cooling, the internal high carbon dioxide concentration of cabinet is also
Can effectively prevent the flare causing because of short circuit from spreading;Even if catching fire, Smoke Sensor gives control dress after smog is detected
Confidence number, control device makes electromagnetic valve open, and can spray carbon dioxide and be put out a fire, one bottle of dioxide bottle is dual-purpose, has concurrently
Cooling and fire-extinguishing function concurrently;Cabinet door junction is additionally provided with travel switch, and travel switch plays locking action, when cabinet door is opened, locking
Electromagnetic valve is not turned on, it is to avoid during human users, electromagnetic valve ejection cryogenic gas causes cold injury;Cabinet is internal completely isolated with the external world
In separate state, it is affected by the external environment little.
Brief description
Fig. 1 is a kind of structural representation of shatter-proof fire-retardant free-standing low temperature power distribution cabinet.
Fig. 2 is a kind of operational flow diagram of control device in shatter-proof fire-retardant free-standing low temperature power distribution cabinet.
Fig. 3 is a kind of structural representation of snubber block in shatter-proof fire-retardant free-standing low temperature power distribution cabinet.
In figure: cabinet -1, cabinet door -2, support plate -3, travel switch -4, cushion socket -5, damping trough -6, spring -7, cushion pad -
8th, temperature sensor -9, Smoke Sensor -10, control device -11, gas cylinder groove -12, gas cylinder clamping joint -13, steel pipe -14, spray
Head -15, electromagnetic valve -16, heat keeper -17.
Specific embodiment
With reference to specific embodiment, the technical scheme of this patent is described in more detail.
Refer to Fig. 1-3, a kind of shatter-proof fire-retardant free-standing low temperature power distribution cabinet, including cabinet 1, cabinet door 2 and support plate 3, institute
State and be all enclosed with heat keeper 17 outside cabinet 1 and cabinet door 2, extend the inner cryogenic persistent period, reduce carbon dioxide-depleted, cabinet 1
Connected by hinge with cabinet door 2, cabinet 1 is provided with sealing gasket with cabinet door 2 junction, prevent the cooling fire extinguishing carbon dioxide spraying
Gas overflowing, impact effect;It is connected with travel switch 4, the motion bar of travel switch 4 is connected with cabinet door 2, and stroke is opened in cabinet 1
Close 4 locking actions, it is to avoid when cabinet door 2 opens maintenance, gas sprays and causes cold injury and anaerobic environment;If being provided with described cabinet 1
Dry group damping device, damping device is made up of the cushion socket 5 of two vertically symmetrical settings, and cushion socket 5 is both connected to cabinet 1 inwall
On, it is criss-cross damping trough 6 that cushion socket 5 medial extremity has cross section, is equipped with spring in damping trough 6 in upper and lower two cell bodies
7, it is provided with cushion pad 8 in the cell body in damping trough 6 outside, described support plate 3 is stretched in damping trough 6 simultaneously by the opening of cushion socket 5 inner side
Between spring 7 in lower groove on damping trough 6, the distance between two cushion pads 8 of support plate 3 length and left and right are identical, when
By above-below direction power when, using spring 7 absorb impulsive force damping, when the power by left and right directions, using cushion pad 8 delay
Eat up part of shake, comprehensively, the vibrations to any direction all can provide protection for protection;In cabinet 1, lower end is provided with temperature sensor 9, to cabinet
Body 1 internal temperature is monitored, and in cabinet 1, upper end is provided with Smoke Sensor 10, and smog is monitored, right side wall in cabinet 1
It is provided with control device 11, described travel switch 4, temperature sensor 9 and Smoke Sensor 10 are all defeated with the signal of control device 11
Enter end to be electrically connected with;Described cabinet 1 upper right side has gas cylinder groove 12, installs dioxide bottle, gas cylinder groove 12 in gas cylinder groove 12
It is provided with sealed door at opening, prevents dioxide bottle stolen, in gas cylinder groove 12, left end is provided with gas cylinder clamping joint 13, gas cylinder clamping
13 are connected with dioxide bottle clamping, open the valve of dioxide bottle bottle mouth position simultaneously, make gas overflowing, gas cylinder
The outlet side of clamping joint 13 is drawn and is connected with the steel pipe 14 being horizontally set in cabinet 1 outside gas cylinder groove 12, the low temperature dioxy of spilling
Change carbon gas to enter in steel pipe 14, steel pipe 14 lower end is connected with some shower nozzles 15, steel pipe 14 is additionally provided with electromagnetic valve 16, works as electromagnetism
When valve 16 is opened, carbon dioxide sprays in cabinet 1 through shower nozzle 15, and described electromagnetic valve 16 is electrically connected with the outfan of control device 11
Connect.
The operation principle of the present invention is: when cabinet 1 or support plate 3 are subject to the power of above-below direction, spring 7 absorbs impulsive force and subtracts
Shake, when the power by left and right directions, using cushion pad 8 bumper and absorbing shock, the vibrations to support plate 3 any direction all can provide guarantor
Shield, protection comprehensively, can effectively prevent the component damage causing because of vibrations, the elasticity of spring 7 should be maintained at one preferably
Scope, can be by suitable deformation energy-absorbing damping, and concurrent deformation amplitude should not be excessive, it is to avoid causes circuit to get loose;Gas cylinder on cabinet 1
It is provided with sealed door at groove 12 opening, open sealed door and dioxide bottle is put in gas cylinder groove 12 with gas cylinder clamping joint 13 even
Connect, sealed door ensures the sealed environment of inside after closing, gas cylinder clamping joint 13 in addition to fixing dioxide bottle, simultaneously by dioxy
Change the valve at carbon bottle mouth of gas cylinder to open, so that carbon dioxide is overflowed in steel pipe 14;The travel switch when cabinet door 2 is opened
4 closures, play locking action, so that electromagnetic valve 16 is remained off, it is to avoid cryogenic carbon dioxide gas spray and cause personnel's cold injury,
Also the operator's anoxia avoiding oxygen content in air to reduce simultaneously and causing;After cabinet door is closed, temperature sensor 9 and smog pass
Sensor 10 is monitored to inside cabinet 1, and when internal temperature raises the warning marginal value reaching setting, temperature sensor 9 is given
With signal, control device 11 control electromagnetic valve 16 is opened, and so that cryogenic carbon dioxide gas is sprayed by shower nozzle 15, inside cabinet 1
Lowered the temperature, cabinet 1 and outer all the pasting of cabinet door 2 are enclosed with heat keeper 17, play thermal insulation function, lift inner silica carbon
The low temperature continuous time, reduce liquid carbon dioxide consumption, maintain within low temperature environment, good cooling effect, need not carry on a shoulder pole simultaneously
Heart external world dust enters in cabinet 1, and the internal high carbon dioxide concentration of cabinet 1 can effectively prevent the flare causing because of short circuit from growing simultaneously
Life spreads;Even if catching fire, Smoke Sensor 10 gives control device 11 signal after smog is detected, and control device 11 makes electromagnetic valve
16 unlatchings, can spray carbon dioxide and be put out a fire, one bottle of dioxide bottle is dual-purpose, have cooling and fire-extinguishing function concurrently concurrently.It may be noted that
When opening cabinet door 2 maintenance, need to first divulge information a period of time, it is to avoid cabinet 1 inner silica concentration of carbon is high and cause maintainer
Anoxia, heat keeper 17 is preferably pasted connection and is opened up some air vents on cabinet 1 side wall simultaneously using detachable, when in the winter time
Heat keeper 17 can be pulled down, play cooling-down effect using extraneous natural low temperature, reduce the consumption of liquid carbon dioxide.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of without departing from this patent objective
Make a variety of changes.