CN212258142U

CN212258142U - Heat dissipation integrated electrical box of putting out a fire

Info

Publication number: CN212258142U
Application number: CN202021126214.0U
Authority: CN
Inventors: 朱月华
Original assignee: Guizhou Industry Polytechnic College
Current assignee: Guizhou Industry Polytechnic College
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2020-12-29
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to the field of fire control of electric boxes, in particular to a heat dissipation and fire extinguishing integrated electric box which comprises a box body with a box cover, the left side of the box body is provided with an air inlet and an outer side fan, the right side of the box body is provided with an air outlet, a fire extinguishing gas cylinder is arranged on the box body, the lower end of the fire extinguishing gas cylinder is connected with a gas guide pipe, the left upper part of the box body is provided with an opening, the upper end of the gas guide pipe penetrates through the opening, the tail end of the air duct is provided with a hollow spherical shell, a glass bulb clamping support is arranged below the hollow spherical shell, a countersunk hole, a plug seat, a glass bulb clamping seat and a clamping bolt are arranged on the glass bulb clamping support and are all arranged on the same axis, a glass bulb sleeve ring is sleeved outside the glass bulb and is sleeved with a pull rope, the other end of the pull rope is tied to the wind shield, a fan alarm switch is arranged below the wind shield, and a fixing support is arranged below the fan alarm switch. The utility model relates to a have the fault-tolerant design of dual fail-safe, can be in the inside automatic fire extinguishing that catches fire of electric box.

Description

Heat dissipation integrated electrical box of putting out a fire

Technical Field

The utility model relates to an electric box fire control field, concretely relates to heat dissipation integrated electric box of putting out a fire.

Background

The electric box is an electrical device widely applied to circuits, in order to meet the requirement of distributing power supply for devices, the electric box is as common as machines in a factory, lines in the electric box are many and dense, weather is hot in summer, improper use and equipment aging are caused, sparks are easily generated due to short circuit to cause fire disasters, the electric box is burnt to influence power supply to stop the production of machine equipment, and a fire source of the factory easily ignites inflammables to cause large-scale fire disasters, so that huge economic losses are caused to enterprises.

There has the patent before at the inside fire prevention material that adopts of electric box, fire prevention material can only slow down the conflagration and outwards stretch from electric box inside to can not fine solution source fire source put out the problem, except above-mentioned problem, some problems that the electric box still has usually:

1. because some power elements are usually installed in an electric box, the heat productivity is large, and in summer, the heat generation of the closed electric box is very serious, so that good ventilation and heat dissipation are needed, electric box products on the market are provided with an air inlet and an air outlet, an air inlet heat dissipation fan is installed at the air inlet, external low-temperature air is provided for the inside of the electric box, once the inside of the electric box catches fire, the fan cannot be stopped, air is continuously conveyed into the electric box, the fire behavior is further expanded, and the problem that the fire cannot be timely extinguished due to the fact that the fan is closed and the air outlet is blocked in the fire extinguishing process is solved.

2. In addition, the service life of the electric box is prolonged, the fire extinguishing mechanism of the electric box often triggers the fire extinguishing mechanism of the electric box by mistake due to aging failure or external interference, certain economic loss is caused, and how to extinguish the fire of the electric box has a fault-tolerant function, so that the practical problem of the electric box is also solved.

In addition, the existing air outlet cannot prevent rainwater from flowing into the air outlet, although the air outlet is arranged, the requirement for heat dissipation of the electrical box is better met, part of rainwater easily enters the air outlet in wind and rain weather, and therefore the problem that how to prevent rainwater from flowing into the electrical box due to the fact that short circuit is caused by the fact that the electrical box is dense and complex in internal circuits is also solved.

Disclosure of Invention

The utility model aims at providing an electric box to solve the problem that electric box mechanism of putting out a fire does not have the fault-tolerant mechanism, solve the rainwater simultaneously and get into the electric box easily and the short circuit problem that brings. In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

in order to solve the above technical problem, the utility model discloses a technical means as follows: the utility model provides an automatic fire extinguishing box, which comprises a box body with an air inlet and an air outlet, wherein the left side of the box body is provided with the air inlet and a fan, the fan is fixed outside the box body, the right side of the box body is provided with the air outlet, the air outlet is provided with an air outlet cover and a pin, the pin is arranged between the upper part of the air outlet cover and the air outlet, the upper part of the box body is provided with a gas cylinder fixing slide rail, a fire extinguishing gas cylinder and a gas cylinder fixing sleeve, the outer part of the fire extinguishing gas cylinder is sleeved with the gas cylinder fixing sleeve, the inside of the box body is provided with a fire extinguishing mechanism and a fan alarm mechanism part, the fire extinguishing mechanism comprises a fire extinguishing gas cylinder, a gas guide tube, a hollow spherical shell, a plug seat and an automatic air discharging device, the left side of the box body is provided with a hole, the upper end of the, the automatic air bleeder comprises a glass bubble support, a glass bubble clamping seat and a clamping bolt, wherein the glass bubble support is welded outside the excircle at the lowest part of the air duct in a U shape, the glass bubble support is provided with a hole at the lowest point between the U shapes, the lower end of the glass bubble clamping seat is provided with a countersunk hole, the clamping bolt, the glass bubble clamping seat, the glass bubble and the plug seat are arranged on the same axis, the fan alarm mechanism comprises a glass bubble lantern ring, a pull rope, a wind shield balancing weight, two wind shield sliding rails, a fan alarm switch, a fixed support and a fan alarm control main body, the upper end of the wind shield is provided with a hole, the glass bubble lantern ring is sleeved outside the glass bubble, the glass bubble lantern ring is connected with a pull rope, and the other end of the pull rope is sleeved at the hole at the upper end of the wind shield, the deep bead is on the deep bead guide rail, the deep bead balancing weight is kept away from the case wall side in the deep bead outside, the deep bead receives the rope effect under the normal ventilation condition and is in unsettled energy storage state always, there is fan siren switch deep bead guide rail below end, there is the switch mount fan siren switch below, there is fan alarm control main part switch mount below.

The heat dissipation and fire extinguishing integrated electric box adopting the technical scheme has the following technical advantages: the fire extinguishing gas is sealed by the glass bubbles and the solid paraffin in the hollow spherical shell, so that the fire extinguishing gas has double-insurance effect and a certain fault-tolerant mechanism, and rainwater cannot float into the electric box to cause short circuit of the electric box along the downward-inclined air outlet and the unidirectional air outlet cover.

Preferably, a button controls the fan to stop and the alarm to start simultaneously through parallel connection, an upper physical tapping lug and a lower physical tapping lug are adopted in the fan alarm switch, the upper part of the tapping lug is communicated with the lower part of the fan and communicated with the alarm, and the button is located above the tapping lug and in a fan communicating state under normal conditions, so that the structure is simplified, and the fan is convenient to save the switch and is timely turned off.

Preferably, the switch key range is short, the inching switch is used, the contact area ratio of the key to the wind shield is large, the triggering of the switch of the fan alarm is facilitated, and the reliability is higher.

Preferably, the stay cord has concatenated one section low ignition point rope, is favorable to triggering in advance the deep bead and keeps out the wind and hinder the slow fire behavior, and the glass bubble is favorable to triggering the deep bead for the lantern ring metal material.

Preferably, the position of the switch bracket of the fan alarm is horizontally placed, so that the sealing performance of the wind shield and the reliability of the trigger switch are improved.

Preferably, the wind shield balancing weight is arranged, so that the gap between the wind shield and the guide rail is small, the wind shield sealing effect is achieved, and meanwhile, the friction force is favorably overcome.

Preferably, there is the counter bore glass bubble clamp holder below, and the counter bore diameter is greater than clamping bolt diameter, is convenient for fix glass bubble clamp holder, and glass bubble support "U" shape centre below has the internal thread with clamping bolt complex, and the elasticity degree between glass bubble and the stopper seat can be adjusted in the design like this, passes glass bubble support frame and top glass bubble clamp holder with clamping nut when installing glass bubble, and the recess through stopper seat and glass bubble clamp holder fixes glass bubble.

Preferably, the air duct trompil on the box is filled with fire-proof polyurethane foam, is favorable to guaranteeing the leakproofness of incasement, and is more efficient when putting out a fire, has paraffin wax in the cavity spherical shell, and the design can guarantee that glass bubble non-conflagration can not emit gaseous when damaging and put out a fire like this, and stopper seat and air duct gas tightness are good to be favorable to guaranteeing that gas does not reveal, and stopper seat and glass bubble press from both sides the tight seat and have the recess of placing the glass bubble, are favorable to better fixed glass bubble.

Preferably, for the convenience of disassembly, assembly and replacement, the fire extinguishing gas cylinder and the gas guide pipe, the fire extinguishing gas cylinder and the gas cylinder fixing sleeve, the gas cylinder fixing sleeve and the gas cylinder fixing slide rail are designed to be movably connected, and liquid carbon dioxide is filled in the fire extinguishing gas cylinder, so that an oxygen-free space is favorably formed in the fire extinguishing gas cylinder.

Preferably, the fan is located the air intake box outside, is favorable to installing fly net and deep bead slide rail.

Drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a schematic view of the appearance structure of the present invention;

FIG. 2 is a schematic front view of the interior of the middle box body of the present invention;

FIG. 3 is a schematic structural view of a fire extinguishing mechanism of the present invention;

FIG. 4 is an enlarged schematic view of the fire extinguishing mechanism of the present invention;

FIG. 5 is a schematic view of the alarm mechanism of the middle fan of the present invention;

FIG. 6 is an enlarged view of the middle fan alarm mechanism of the present invention;

fig. 7 is an enlarged schematic view of the middle air outlet of the present invention.

The main reference symbols in the drawings are as follows:

1. a box body; 2. the sliding rail is fixed on the gas cylinder; 3. a fire extinguishing gas cylinder; 4. a gas cylinder fixing sleeve; 5. a gas cylinder connector; 6. an air duct; 7. a hollow spherical shell; 8. a glass bulb holder; 9. a plug seat; 10. a glass bulb; 11. a glass bulb clamping seat; 12. clamping the bolt; 13. pulling a rope; 14. a wind deflector slide rail; 15. a wind deflector; 16. a wind shield counterweight 17, a fan; 18. a fan alarm switch; 19. fixing a bracket; 20. an air outlet cover; 21. a box cover; 22. a fan alarm control body; 23. an air inlet; 24. an air outlet; 25. a glass bulb collar; 26. a pin; 27. the outer edge of the air outlet; 28. an insect-proof net; 29. paraffin wax.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, the technical means adopted by the utility model is as follows: the utility model provides an automatic fire extinguishing box, box including air intake 23 and air outlet 24, the box generally adopts common anticorrosion sheet iron electric box on the market, the front portion of box sets up the chamber door, there are air intake 23 and fan 17 in the box left side, fan 17 fixes in the 1 outside of box, 1 right side top of box is equipped with air outlet 23, air outlet lid 20 and round pin 26, air outlet 23 has the outer edge 27 of downward inclination, there is round pin 28 between air outlet lid 20 top and the air outlet, 1 top of box has the fixed slide rail of gas cylinder 2, the fixed cover 4 of gas cylinder 3 and gas cylinder, the outside cover of gas cylinder has the fixed cover 4 of gas cylinder, the fixed cover 4 of gas cylinder can with 1 fixed slide rail 2 swing joint of gas cylinder on the box, 1 inside fire extinguishing mechanism and the fan alarm mechanism.

As shown in fig. 1 and 2, the mechanism of putting out a fire is including the gas cylinder of putting out a fire 3, "L" shape air duct 6, cavity spherical shell 7, stopper seat 9 and automatic air bleeder, there is the trompil on the 1 left side of box, 6 upper ends of air duct run through in the trompil, 6 upper ends of air duct and 3 fixed connection of gas cylinder of putting out a fire, 6 lower extremes of air duct and 7 fixed connection of cavity spherical shell, 7 have paraffin to fill in the cavity spherical shell, there is stopper seat 9 cavity spherical shell below, it is ejecting to the piston that gaseous putting out a fire when the conflagration breaks out, the valve on the gas cylinder of putting out a fire 3 is in normally open position on the box 1 under the normal condition.

As shown in fig. 3 and 4, the automatic air release device of the fire extinguishing mechanism is divided into a glass bulb support 8 and a glass bulb 10, the glass bulb 10 is the same as the glass bulb on the common fire alarm sprinkler in the market, a glass bulb clamping seat 11 and a clamping bolt 12 are arranged on the glass bulb support 8, the glass bulb support 8 is welded on the outer portion of the lowest outer circle of the air duct in a U shape, a hole is formed in the lowest point between the U shapes of the glass bulb support, a countersunk hole is formed in the lower end of the clamping seat, and the clamping bolt 12, the glass bulb clamping seat 11, the glass bulb 10 and the plug seat 9 are on the same axis; when the glass bulb is installed, the glass bulb 10 is vertically fixed by the grooves in the plug seat 9 and the glass bulb clamping seat 11, the clamping bolt 12 is in threaded fit with the glass bulb support 8, the upper end of the clamping bolt 12 is inserted into the countersunk hole in the glass bulb clamping seat 11, the glass bulb 10 can be installed in a clamping mode by adjusting the clamping bolt 12, and the glass bulb 10 is sleeved with the glass bulb lantern ring 25 outside the glass bulb 10 during installation.

As shown in fig. 5 and 6, the fan warning mechanism includes a glass bulb collar 25, a pull cord 13, a wind deflector 15, a wind deflector weight 16, two deep bead slide rails 14, fan siren switch 18, switch mount 19 and fan siren control main part 22, there is the trompil deep bead 15 upper end, glass lantern ring 25 cover is in glass bubble 10 outsidely, glass bubble lantern ring 25 is connected with stay cord 13, stay cord 13 adopts inflammable material, stay cord 13 other pot head is in deep bead 15 upper end trompil department, deep bead 15 is on deep bead slide rail 14, case wall side is kept away from in the deep bead 15 outside to the balancing weight 16 that keeps out the wind, deep bead 15 is in unsettled energy storage state always by the rope effect under the normal ventilation condition, there is fan siren switch deep bead slide rail 14 below end, there is switch mount 19 fan alarm 1 18 below, there is fan siren control main part 22 switch mount 19 below.

A spring mounting plate 32 and a stop pin 34 are further connected to the side wall of the chassis 21, the stop pin 34 abuts against the side wall of the pawl 31, and the stop pin 34 can prevent the pawl 31 from rotating reversely; a first spring 33 is connected between the spring mounting plate 32 and the pawl 31, and the catch pin 34 and the spring mounting plate 32 are located on the same side of the pawl 31.

As shown in fig. 7, the air outlet cover is made of plastic, is light and has certain water corrosion resistance, the air outlet 24 has an air outlet outer edge 27 with a downward inclination, a pin is arranged between the upper part of the air outlet cover 20 and the air outlet 24, the downward inclination outer edge and the unidirectional air outlet cover ensure that rainwater cannot float in, and good unidirectional ventilation is also formed.

When a fire disaster occurs in the electric box, the temperature in the electric box rises, the hollow spherical shell 7 rises in temperature, conducts heat to paraffin to melt the paraffin, the glass bulb 10 below the plug seat 9 bursts when the temperature continues to rise, the plug seat 9 is pushed out due to the fact that the plug seat 9 does not have the supporting force of the glass bulb 10 below and the plug seat 9 has the pushing effect of the gravity of the self-body of the plug seat and the carbon dioxide of the extinguishing gas above, after the paraffin which is melted into liquid state flows out, the carbon dioxide of the extinguishing gas is discharged, meanwhile, the wind shield 15 which is connected with the glass bulb 10 through the pull rope 13 and the glass bulb lantern ring 25 slides down to the fan alarm switch 18 along the wind shield slide rail 14 under the effect of the self-body gravity of the wind shield counterweight block 16 and the wind shield 15 to trigger the switch, because the fan alarm switch 18 controls the fan and the alarm in a parallel mode, lap joint switch top connection fan, below connection alarm, so lap joint switch from the top down switches when deep bead 15 falls down, makes fan 17 stall also open the siren, and air intake 23 has also been sheltered from to deep bead 15, prevents that the outside air from continuously getting into and encourages the intensity of a fire, and top air outlet 24 adopts the one-way ventilation design, lets inside gaseous carbon dioxide full play of putting out a fire effect when the incasement forms the oxygen deficiency space to reach the purpose of putting out a fire.

In conclusion, the fire detection part adopts the glass bulb 10 and the solid paraffin 10 in the hollow spherical shell to seal the fire extinguishing gas, so that the fire extinguishing gas has a double-insurance effect and a certain fault-tolerant mechanism, the downward inclined outer edge of the air outlet and the unidirectional air outlet cover can prevent rainwater from flowing into the electric box to cause short circuit, the fire extinguishing purpose is achieved, and the inside of the electric box is protected.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a heat dissipation integrated electric box of putting out a fire, is including the box that has air intake and air outlet, and electronic components installs and fixes in the box its characterized in that: the box is still including fire extinguishing mechanism and fan alarm mechanism, wherein:

the fire extinguishing mechanism comprises a fire extinguishing gas cylinder filled with carbon dioxide, an air guide pipe, a hollow spherical shell and an automatic air bleeder, the fire extinguishing gas cylinder is connected with the head end of the air guide pipe, the automatic air bleeder is positioned at the tail end of the air guide pipe, one end of the air guide pipe is connected with the fire extinguishing gas cylinder, the other end of the air guide pipe is connected with the automatic air bleeder, the automatic air bleeder comprises a plug seat, a glass bulb bracket clamping bolt and a glass bulb clamping seat, the glass bulb bracket is in a U shape, the glass bulb bracket is connected at the lower extending part of the hollow spherical shell, the upper end of the glass bulb props against the plug to connect the plug seat, and the lower end of the;

the fan alarm mechanism comprises a fan arranged at the air inlet, a wind shield which slides up and down to block the air inlet, a fan alarm switch and an alarm, wherein the fan is normally opened, the alarm is normally closed and is arranged below the wind shield, and a pull rope which is used for lifting the wind shield is arranged between the wind shield and the glass bulb.

2. The integrated electrical box for heat dissipation and fire extinguishing of claim 1, wherein: the fire extinguishing gas cylinder is movably connected with the gas cylinder fixing sleeve, and the gas cylinder fixing sleeve is movably connected with the gas cylinder fixing slide rail.

3. The integrated electrical box for heat dissipation and fire extinguishing of claim 1, wherein: the box body is provided with an opening through which the air duct passes, and the opening and the air duct are sealed by foam rubber.

4. The integrated electrical box for heat dissipation and fire extinguishing of claim 1, wherein: the hollow spherical shell at the tail end of the air duct is filled with solid paraffin, and the plug seat is provided with a groove for placing the glass bulb.

5. The integrated electrical box for heat dissipation and fire extinguishing of claim 1, wherein: the glass bulb clamping seat is provided with a groove for placing a glass bulb, a through hole is formed below the glass bulb clamping seat and movably connected with a clamping bolt, and a threaded through hole matched with the clamping bolt is formed in the lowest point in the U-shaped middle of the glass bulb support.

6. The integrated electrical box for heat dissipation and fire extinguishing of claim 1, wherein: the glass bubble is sleeved with a glass bubble lantern ring, the glass bubble lantern ring is made of metal materials, the radius of the glass bubble lantern ring is larger than the diameter of the glass bubble, and the pull rope is connected with a section of low-ignition-point rope in series.

7. The integrated electrical box for heat dissipation and fire extinguishing of claim 1, wherein: and a balancing weight is arranged below the wind shield.

8. The integrated electrical box for heat dissipation and fire extinguishing of claim 1, wherein: the air conditioner is characterized by further comprising a switch fixing frame, wherein the switch fixing frame is horizontally fixed between the two wind shield supports, and the position of the switch fixing frame is lower than the position below the air inlet.

9. The integrated electrical box for heat dissipation and fire extinguishing of claim 1, wherein: the fan alarm switch controls the fan and the alarm in a parallel connection mode, the lap joint switch is used inside the fan alarm switch, the fan is connected above the lap joint switch, and the alarm is connected below the lap joint switch.

10. The integrated electrical box for heat dissipation and fire extinguishing of claim 1, wherein: the air inlet and the air outlet are both provided with insect-proof nets.