CN112888204B

CN112888204B - High-protection high-temperature-resistant explosion-proof box

Info

Publication number: CN112888204B
Application number: CN202110038477.9A
Authority: CN
Inventors: 郑巨雷; 郑涵
Original assignee: Zhonghong Explosion Proof Electrical Co ltd
Current assignee: Zhonghong Explosion Proof Electrical Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2022-06-03
Anticipated expiration: 2041-01-12
Also published as: CN112888204A

Abstract

The invention discloses a high-protection high-temperature-resistant explosion-proof box, which has the technical scheme that: the box body comprises an inner supporting plate arranged on an inner layer, the inner side and the outer side of the inner supporting plate are respectively provided with a fireproof layer, the outer end of the fireproof layer is provided with an outer supporting plate, one end of the rear mounting plate, which is close to the front mounting plate, is provided with an annular groove, the front mounting plate is integrally provided with an annular convex plate at a position corresponding to the annular groove, a cooling assembly is arranged inside the box body, the cooling assembly consists of a liquid storage tank, a circulating water pump and a cooling water pipe, the upper end of the box body is provided with an inflation assembly, the inflation assembly consists of an air storage cylinder, an air outlet pipe and a control valve, and the rear mounting plate is detachably connected with the front mounting plate through a plurality of fixing pieces; the invention has good heat dissipation and fire prevention effects and is convenient to disassemble and assemble.

Description

High-protection high-temperature-resistant explosion-proof box

Technical Field

The invention relates to the technical field of explosion-proof boxes, in particular to a high-protection high-temperature-resistant explosion-proof box.

Background

The explosion-proof box is one kind of factory explosion-proof electrical equipment, can be used for protecting a controlled circuit from overload, short circuit and the like in an environment of explosive gas or combustible dust, can be used as a lighting (power) switch of each branch circuit (centralized control), and can also be additionally provided with leakage protection to ensure personal and equipment safety.

At present, the chinese patent with publication number CN111432590B discloses a high-protection low-temperature-resistant explosion-proof box, which comprises a box body and a box cover, wherein a plurality of locking assemblies are arranged between the box body and the box cover, each locking assembly comprises a first limit slot arranged on the box body, set up in the spacing slot of second of case lid and insert simultaneously and establish into spacing inserted block of first spacing slot and the spacing slot of second and restriction its both separation, be equipped with the installation annular on the terminal surface of box, the sealed stay block that slides and is provided with along box opening towards reciprocating motion in the installation annular, installation annular restriction stay block breaks away from with it, form an airtight drive chamber that is used for driving the stay block and slides between stay block and the installation annular, be equipped with the outside and airtight drive chamber's of intercommunication intake duct on the box, be equipped with the control that is used for controlling its break-make on the intake duct, be equipped with in the installation annular and be used for supporting the first sealing washer of tight sealed case lid by the stay block drive.

The scheme has the advantages of simple and convenient operation, excellent sealing performance, stronger compatibility and the like; however, the above solution still has some drawbacks, such as: 1. when the explosion-proof box is applied to the mining area and the environment of dust working condition, explosive gas enters the control box through the gap, so that explosion is easily caused, most of the existing explosion-proof boxes are arranged in a sealed manner, and the internal heat of the explosion-proof box cannot be quickly dissipated due to strong sealing performance, so that the normal work of internal electrical equipment elements is influenced; 2. the existing explosion-proof box body is mostly made of aluminum alloy materials, and when a fire accident happens, the normal work of electrical components inside the explosion-proof box is easily influenced due to poor fireproof performance of the aluminum alloy; 3. the box and the case lid in the above-mentioned scheme can realize quick assembly disassembly through setting up a plurality of spacing slots and spacing inserted block, but when explosion-proof case setting was too close at corner position or explosion-proof case and roof distance, lead to spacing inserted block easily and can't take out to influence explosion-proof case's normal use.

Disclosure of Invention

Aiming at the problems mentioned in the background technology, the invention aims to provide a high-protection high-temperature-resistant explosion-proof box which has good heat dissipation and fire prevention effects and is convenient to disassemble and assemble.

The technical purpose of the invention is realized by the following technical scheme:

high-protection high-temperature-resistant explosion-proof box comprises a box body, a rear mounting plate, a front mounting plate and a box door, wherein the rear mounting plate is fixedly mounted at the front end of the box body, the box door is arranged in the front mounting plate through a hinge, the box body comprises an inner supporting plate arranged at an inner layer, fire-proof layers are respectively arranged at the inner side and the outer side of the inner supporting plate, the fire-proof layers are ceramic silicon rubber, an outer supporting plate is arranged at the outer end of the fire-proof layers, the outer supporting plate is made of titanium alloy materials, an annular groove is formed at one end, close to the front mounting plate, of the rear mounting plate, an annular convex plate is integrally arranged at the position corresponding to the annular groove, a cooling assembly is arranged in the box body, the cooling assembly consists of a liquid storage box, a circulating water pump and a cooling water pipe, the liquid storage box and the circulating water pump are fixedly arranged in the box body, condenser tube with the liquid reserve tank circulating water pump is linked together, condenser tube hugs closely the inner wall setting of box, the upper end of box is provided with inflatable unit, inflatable unit comprises gas receiver, outlet duct and control valve, the gas receiver is fixed to be set up the upper end of box, the one end of outlet duct with the gas receiver is linked together, the other end of outlet duct stretches into to the inside of box, be provided with the control valve on the outlet duct, the back mounting panel with can dismantle the connection through a plurality of mountings between the preceding mounting panel.

Furthermore, the inner supporting plate is formed by adopting aluminum alloy high-pressure casting.

By adopting the technical scheme, the aluminum alloy has low density, higher strength and good plasticity, and is easy to process into various sectional materials.

Furthermore, the cooling water pipe is fixedly arranged inside the box body through a plurality of fixing clamps.

Through adopting above-mentioned technical scheme, be convenient for fix condenser tube in the inside of box.

Furthermore, the cross sections of the annular groove and the annular convex plate are trapezoidal, and a sealing gasket is fixedly arranged inside the annular groove.

Through adopting above-mentioned technical scheme, the cross-section is trapezoidal and is favorable to preceding mounting panel and back mounting panel to align fast, install, sets up the leakproofness that mounting panel and back mounting panel before can guaranteeing by seal ring.

Furthermore, the fixing part is composed of a lock catch and a lock ring, the lock catch is fixedly arranged on the front mounting plate, and the lock ring is fixedly arranged on the rear mounting plate.

Through adopting above-mentioned technical scheme, the mounting panel supports to lean on the back mounting panel back before with, can fix preceding mounting panel and back mounting panel fast through using a plurality of hasps.

Furthermore, the mounting is spacing subassembly, the back mounting panel is corresponding to spacing subassembly's position department has seted up spacing hole, preceding mounting panel is corresponding to spacing subassembly's position department has seted up the mounting hole, spacing subassembly sets up the inside of mounting hole and stretch into to spacing downthehole.

Through adopting above-mentioned technical scheme, set up spacing subassembly and spacing hole cooperation installation, when explosion-proof box hugs closely when placing at wall or roof, also can dismantle explosion-proof box's case lid.

Further, spacing subassembly comprises gag lever post, limit baffle, reset spring and carrying handle, the gag lever post sets up the inside of mounting hole, the outer pot head of gag lever post is equipped with limit baffle, limit baffle slides and sets up the inside of mounting hole, limit baffle with it is provided with to fix between the preceding mounting panel reset spring, the gag lever post is kept away from the one end in limit hole is fixed and is provided with carry handle.

Through adopting above-mentioned technical scheme, operating personnel can carry the handle to pull out the gag lever post from spacing downthehole through the pulling to with preceding mounting panel and rear mounting panel separation, loosen and carry behind the handle, the gag lever post can stretch into again to spacing downthehole under the effect of spring elasticity, and it is very convenient to use.

Furthermore, one end of the limiting rod, which is close to the limiting hole, is fixedly provided with a first magnet, a second magnet is fixedly arranged inside the limiting hole, and the magnetism of the first magnet is opposite to that of the second magnet.

Through adopting above-mentioned technical scheme, can improve the stability of being connected between preceding mounting panel and the back mounting panel.

Furthermore, a temperature sensor and a control module are arranged inside the box body, and the temperature sensor and the circulating water pump are electrically connected with the control module respectively.

Through adopting above-mentioned technical scheme, when the inside high temperature of box, control module can control circulating water pump work, cools off the inside of box, need not operating personnel and opens circulating water pump.

In summary, the invention mainly has the following beneficial effects:

1. according to the invention, by arranging the cooling assembly, when the internal temperature of the box body is overhigh, the temperature sensor transmits the monitored temperature to the control module, and the control module controls the circulating water pump to work to cool the inside of the box body, so that the heat in the box body can be quickly dissipated, and the normal use of electrical elements in the box body is ensured.

2. According to the invention, through the arrangement of the inflation assembly, an operator can open the control valve to fill high-pressure gas into the box body, so that the pressure intensity in the box body is favorably improved, external air can be prevented from entering the box body, and the sealing property of the box body is further improved.

3. According to the invention, the box body is composed of the inner supporting plate, the fireproof layer and the outer supporting plate, the fireproof layer is made of ceramic silicon rubber, the ceramic silicon rubber has excellent characteristics of fire prevention, flame retardance, low smoke, no toxicity and the like, residues after combustion are hard ceramic shells, the hard shells are not melted and do not drip in a fire environment, the ceramic silicon rubber is a good fireproof material, the outer supporting plate is made of a titanium alloy material, the service temperature of the titanium alloy is hundreds of degrees higher than that of the aluminum alloy, and the ceramic silicon rubber has good high temperature resistance and high strength.

4. According to the invention, the front mounting plate and the rear mounting plate are connected through the plurality of fixing pieces, the fixing pieces are easy to mount and dismount, and when the explosion-proof box is arranged at a corner position or the distance between the explosion-proof box and a roof is too short, an operator can rapidly dismount and mount the front mounting plate and the rear mounting plate.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the interior of the case of the present invention;

FIG. 3 is a schematic structural view of the box and the door of the present invention;

FIG. 4 is a left side view of the first embodiment of the present invention;

FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;

FIG. 6 is an enlarged view of a portion B of FIG. 5;

FIG. 7 is a left side view of a second embodiment of the present invention;

FIG. 8 is a cross-sectional view taken at C-C of FIG. 7;

fig. 9 is a partially enlarged view of a portion D in fig. 8.

In the figure: 1. a box body; 101. an inner support plate; 102. a fire barrier layer; 103. an outer support plate; 2. a rear mounting plate; 201. an annular groove; 202. a limiting hole; 3. a front mounting plate; 301. an annular convex plate; 302. mounting holes; 4. a box door; 5. a cooling assembly; 501. a liquid storage tank; 502. a water circulating pump; 503. a cooling water pipe; 504. fixing a clamp; 6. an inflation assembly; 601. an air cylinder; 602. an air outlet pipe; 603. a control valve; 7. locking; 8. a locking ring; 9. a sealing gasket; 10. a limiting component; 1001. a limiting rod; 1002. a limit baffle; 1003. a return spring; 1004. lifting the handle; 11. a first magnet; 12. a second magnet; 13. a temperature sensor; 14. and a control module.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1 to 9, the high-protection high-temperature-resistant explosion-proof box comprises a box body 1, a rear mounting plate 2, a front mounting plate 3 and a box door 4, wherein the rear mounting plate 2 is fixedly mounted at the front end of the box body 1, the box door 4 is arranged inside the front mounting plate 3 through a hinge, the box body 1 comprises an inner supporting plate 101 arranged at an inner layer, fire-proof layers 102 are respectively arranged at the inner side and the outer side of the inner supporting plate 101, the fire-proof layers 102 are made of ceramic silicon rubber, an outer supporting plate 103 is arranged at the outer end of the fire-proof layers 102, the outer supporting plate 103 is made of a titanium alloy material, an annular groove 201 is formed at one end of the rear mounting plate 2 close to the front mounting plate 3, an annular convex plate 301 is integrally arranged at a position corresponding to the annular groove 201 on the front mounting plate 3, a cooling assembly 5 is arranged inside the box body 1, the cooling assembly 5 is composed of a liquid storage tank 501, a circulating water pump 502 and a cooling water pipe 503, the liquid storage tank 501 and the circulating water pump 502 are fixedly arranged inside the box 1, condenser tube 503 and liquid reserve tank 501, circulating water pump 502 is linked together, condenser tube 503 hugs closely the inner wall setting of box 1, condenser tube 503 is in the inside setting of buckling of box 1, in order to improve condenser tube 503 at the inside length of box 1, the upper end of box 1 is provided with inflatable module 6, inflatable module 6 is by gas receiver 601, outlet duct 602 and control valve 603 are constituteed, the fixed upper end that sets up at box 1 of gas receiver 601, the one end and the gas receiver 601 of outlet duct 602 are linked together, the other end of outlet duct 602 stretches into the inside of box 1, be provided with control valve 603 on the outlet duct 602, can dismantle through a plurality of mountings between back mounting panel 2 and the preceding mounting panel 3 and be connected.

Referring to fig. 3, the inner support plate 101 is formed by high-pressure casting using an aluminum alloy.

Referring to fig. 2, the cooling water pipe 503 is fixedly disposed inside the cabinet 1 by a plurality of fixing clips 504.

Referring to fig. 4 and 5, the cross-section of the annular groove 201 and the annular convex plate 301 is trapezoidal, and a sealing gasket 9 is fixedly arranged inside the annular groove 201.

Referring to fig. 4-6, the fixing member is composed of a locking buckle 7 and a locking ring 8, the locking buckle 7 is fixedly arranged on the front mounting plate 3, the locking ring 8 is fixedly arranged on the rear mounting plate 2, and when the front mounting plate 3 is opened, the locking buckles 7 are sequentially taken off from the locking ring 8.

Referring to fig. 2, a temperature sensor 13 and a control module 14 are disposed inside the tank 1, and the temperature sensor 13 and the circulating water pump 502 are electrically connected to the control module 14, respectively.

Example two

Referring to fig. 7 to 9, the difference from the first embodiment is that the fixing member is a limiting assembly 10, the number of the limiting assemblies 10 is preferably four, the limiting assemblies 10 are respectively and symmetrically arranged at the upper end and the lower end of the front mounting plate 3, the rear mounting plate 2 is provided with a limiting hole 202 at a position corresponding to the limiting assembly 10, the front mounting plate 3 is provided with a mounting hole 302 at a position corresponding to the limiting assembly 10, the limiting assembly 10 is arranged inside the mounting hole 302 and extends into the limiting hole 202, the limiting assembly 10 is composed of a limiting rod, a limiting baffle 1002, a return spring 1003 and a lifting handle 1004, the limiting rod 1001 is arranged inside the mounting hole 302, the outer end of the limiting rod 1001 is sleeved with the limiting baffle 1002, the limiting baffle 1002 is slidably arranged inside the mounting hole 302, the return spring 1003 is fixedly arranged between the limiting baffle 1002 and the front mounting plate 3, one end of the limiting rod 1001 far away from the limiting hole 202 is fixedly provided with the lifting handle 1004, the utility model discloses an explosion-proof box, including spacing pole 1001, spacing hole 202, first magnet 11, the fixed second magnet 12 that is provided with in inside of spacing hole 202, first magnet 11 is opposite with the magnetism of second magnet 12, compare with embodiment one, the wall setting can be hugged closely to this kind of explosion-proof box, when mounting panel 3 before opening, at first two handles 1004 of carrying on the pulling upper end pull out spacing pole 1001, and outwards pull a certain distance with mounting panel 3 before, make two handles 1004 after pulling, first magnet 11 can not contact with second magnet 12, two handles 1004 of carrying on the pulling lower extreme pull out spacing pole 1001 can accomplish the separation with preceding mounting panel 3 and back mounting panel 2 afterwards.

When the invention is used, when the internal temperature of the box body 1 is overhigh, the temperature sensor 13 transmits the monitored temperature to the control module 14, the control module 14 controls the circulating water pump 502 to work, the circulating water pump 502 pumps out the cooling water in the liquid storage tank 501 and enables the cooling water to circularly flow in the cooling water pipe 503, and the internal cooling work of the box body 1 is completed; an operator can open the control valve 603 to fill high-pressure gas into the box body 1, so that the pressure intensity in the box body 1 can be improved, external air can be prevented from entering the box body 1, and the sealing property of the box body 1 is ensured; the anti-explosion box is characterized in that the box body 1 is composed of an inner supporting plate 101, a fireproof layer 102 and an outer supporting plate 103, the fireproof layer 102 is made of ceramic silicon rubber which has excellent characteristics of fire prevention, flame retardance, low smoke, no toxicity and the like, residues after combustion are hard ceramic shells, hard shells are not melted and do not drip in a fire environment, the ceramic silicon rubber is a good fireproof material, the outer supporting plate 103 is made of a titanium alloy material, the service temperature of the titanium alloy is hundreds of degrees higher than that of the aluminum alloy, the titanium alloy has good high temperature resistance and high strength, and the fireproof performance of the anti-explosion box can be effectively improved; through setting up before between mounting panel 3 and the back mounting panel 2 be connected through a plurality of mountings, the mounting is easily installed, is dismantled, and when explosion-proof case set up in corner position or explosion-proof case and roof distance were too close, operating personnel also can be fast with before mounting panel 3 and back mounting panel 2 dismantle and install.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. High-protection high-temperature-resistant explosion-proof box, including box (1), rear mounting panel (2), preceding mounting panel (3) and chamber door (4), rear mounting panel (2) fixed mounting be in the front end of box (1), chamber door (4) are in through the hinge setting the inside of preceding mounting panel (3), its characterized in that: the utility model discloses a solar water heater, including box (1) including setting up interior backup pad (101) at the inlayer, the inside and outside both sides of interior backup pad (101) are provided with flame retardant coating (102) respectively, flame retardant coating (102) are ceramic silicon rubber, the outer end of flame retardant coating (102) is provided with outer backup pad (103), outer backup pad (103) adopt titanium alloy material to make, back mounting panel (2) are close to annular groove (201) have been seted up to the one end of preceding mounting panel (3), preceding mounting panel (3) are in the position department an organic whole that corresponds to annular groove (201) is provided with cyclic annular flange (301), the inside of box (1) is provided with cooling module (5), cooling module (5) comprise liquid reserve tank (501), circulating water pump (502) and cooling water pipe (503), liquid reserve tank (501) with circulating water pump (502) are fixed to be set up the inside of box (1), the cooling water pipe (503) is communicated with the liquid storage tank (501) and the circulating water pump (502), the cooling water pipe (503) is arranged close to the inner wall of the box body (1), the upper end of the box body (1) is provided with an inflation assembly (6), the inflation component (6) consists of an air reservoir (601), an air outlet pipe (602) and a control valve (603), the air cylinder (601) is fixedly arranged at the upper end of the box body (1), one end of the air outlet pipe (602) is communicated with the air cylinder (601), the other end of the air outlet pipe (602) extends into the box body (1), a control valve (603) is arranged on the air outlet pipe (602), the rear mounting plate (2) is detachably connected with the front mounting plate (3) through a plurality of fixing pieces, the fixing piece consists of a lock catch (7) and a lock ring (8) or a limiting component (10);

the limiting assembly (10) comprises a limiting rod (1001), a limiting baffle (1002), a reset spring (1003) and a lifting handle (1004), the limiting rod (1001) is arranged inside the mounting hole (302), the limiting baffle (1002) is sleeved at the outer end of the limiting rod (1001), the limiting baffle (1002) is arranged inside the mounting hole (302) in a sliding mode, the reset spring (1003) is fixedly arranged between the limiting baffle (1002) and the front mounting plate (3), and the lifting handle (1004) is fixedly arranged at one end, away from the limiting hole (202), of the limiting rod (1001);

spacing hole (202) have been seted up corresponding to back mounting panel (2) position department of spacing subassembly (10), mounting hole (302) have been seted up corresponding to preceding mounting panel (3) position department of spacing subassembly (10), spacing subassembly (10) set up the inside of mounting hole (302) and stretch into in spacing hole (202).

2. The high-protection high-temperature-resistant explosion-proof box according to claim 1, wherein: the inner supporting plate (101) is formed by aluminum alloy high-pressure casting.

3. The high-protection high-temperature-resistant explosion-proof box according to claim 1, wherein: the cooling water pipe (503) is fixedly arranged inside the box body (1) through a plurality of fixing clamps (504).

4. The high-protection high-temperature-resistant explosion-proof box according to claim 1, wherein: the cross section of the annular groove (201) and the section of the annular convex plate (301) are trapezoidal, and a sealing gasket (9) is fixedly arranged inside the annular groove (201).

5. The high-protection high-temperature-resistant explosion-proof box according to claim 1, wherein: the lock catch (7) is fixedly arranged on the front mounting plate (3), and the lock ring (8) is fixedly arranged on the rear mounting plate (2).

6. The high-protection high-temperature-resistant explosion-proof box according to claim 1, wherein: one end, close to the limiting hole (202), of the limiting rod (1001) is fixedly provided with a first magnet (11), a second magnet (12) is fixedly arranged inside the limiting hole (202), and the magnetism of the first magnet (11) is opposite to that of the second magnet (12).

7. The high-protection high-temperature-resistant explosion-proof box according to claim 1, wherein: the temperature control device is characterized in that a temperature sensor (13) and a control module (14) are arranged in the box body (1), and the temperature sensor (13) and the circulating water pump (502) are respectively electrically connected with the control module (14).