CN215991529U

CN215991529U - Low-cost electric appliance flame-retardant shell based on BMC composite material

Info

Publication number: CN215991529U
Application number: CN202122212542.3U
Authority: CN
Inventors: 颜建武; 王东霞; 俞晓文
Original assignee: Disnflex Composites Zhejiang Co ltd
Current assignee: Disnflex Composites Zhejiang Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-03-08
Anticipated expiration: 2031-09-13

Abstract

The utility model provides a low-cost flame-retardant housing for an electric appliance based on a BMC composite material, which solves the problem that the electric appliance is easy to generate deflagration and the like. The utility model has the advantages of good flame retardant effect, stable structure and the like.

Description

Low-cost electric appliance flame-retardant shell based on BMC composite material

Technical Field

The utility model belongs to the technical field of fireproof flame-retardant structures, and particularly relates to a low-cost flame-retardant electric appliance shell based on a BMC composite material.

Background

With the development of modern science and technology, the living standard of people's materials has changed greatly, and electric energy has correspondingly been widely developed and utilized. The application of electric energy not only benefits the human society, but also brings the danger of electric shock and electric fire accidents to the human beings. Electrical fires generally refer to thermal energy released due to the failure of electrical lines, consumers, appliances and power supply and distribution equipment: energy released such as high temperature, arcing, electrical sparks, and non-failure; such as the glowing surface of an electric heating appliance, and the fire caused by igniting the body or other combustible materials under the combustion condition. The existing fire prevention and disaster reduction mode adopts a monitoring mode to monitor the abnormal state of equipment and send out early warning signals in time. However, in the actual use process, the electric equipment has a deflagration condition, and the fire fighters cannot timely handle the deflagration condition, so that the fire condition is rapidly spread.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the chinese patent literature discloses a flame-retardant PA/PE alloy electrical switch case [201620004006.0], which includes a casing injection-molded by PA resin or PE resin and brominated polystyrene, threaded columns are integrally formed on two opposite sides of an inner cavity of the casing, a lead hole is formed on a side wall of the casing, a flame-retardant layer is synthesized on an outer wall of the casing, the flame-retardant layer includes a PVC flame-retardant plate, a flame-retardant medium fiber plate is disposed on an upper surface of the PVC flame-retardant plate, flame-retardant polyurethane foam is disposed on an upper surface of the flame-retardant medium fiber plate, a high flame-retardant polyvinyl chloride layer is disposed on an upper surface of the flame-retardant polyurethane foam, a mica flame-retardant layer is disposed on an upper surface of the high flame-retardant polyvinyl chloride layer, and a water-based paint flame-retardant layer is sprayed on an upper surface of the mica flame-retardant layer.

The scheme improves the flame retardant effect of the electric appliance to a certain extent, but the scheme still has a plurality of defects, such as poor fire suppression effect and the like.

Disclosure of Invention

The utility model aims to solve the problems and provides a low-cost flame-retardant housing of an electric appliance based on a BMC composite material, which is reasonable in design and can effectively inhibit fire.

In order to achieve the purpose, the utility model adopts the following technical scheme: this fire-retardant casing of low-cost electrical apparatus based on BMC combined material, including the main casing body and the auxiliary casing body of making by BMC combined material, main casing body and auxiliary casing body pass through latch mechanism interconnect, and the main casing body and the auxiliary casing body outside have covered fire-retardant casing respectively, and the inboard cavity of fire-retardant casing is filled with the fire retardant, and the main casing body and the inboard PC film that covers of auxiliary casing. The fire retardant filled in the fire-retardant shell is opposite to the inner cavities of the main shell and the auxiliary shell, the PC film on the outer side has a fire-retardant effect, and the fire retardant can inhibit open fire when being heated, so that the fire-retardant shell has a better fire prevention and disaster reduction effect.

In foretell low-cost fire-retardant casing of electrical apparatus based on BMC combined material, the main casing body is square box-like and the inboard distributes and has latticed strengthening rib, and main casing body edge cladding has the protection piece of elasticity material, and main casing body side distributes has banding thermovent. The main casing does not influence the internal heat dissipation while guaranteeing structural strength.

In the low-cost electric appliance flame-retardant shell based on the BMC composite material, the auxiliary shell is rotatably hinged with the main shell, and the inner side of the edge of the auxiliary shell is provided with a sealing strip which is tightly attached to the main shell. And the sealing strip between the auxiliary shell and the main shell ensures sealing and waterproof performance.

In foretell low-cost fire-retardant casing of electrical apparatus based on BMC combined material, latched device is including setting up the catching groove in main casing body outside limit, and vice casing outside limit rotates and is connected with the buckle with the catching groove lock joint, and buckle outside sliding connection has the locking board, and the locking board is provided with the locking arch with the relative one end both sides of main casing body, and the main casing body outside distributes along circumference has the locking limit, and it has the protruding male locking recess that supplies the locking to open on the locking edge. The locking mechanism is convenient for the main shell and the auxiliary shell to be locked and sealed, and has good connection stability.

In the low-cost electric appliance flame-retardant shell based on the BMC composite material, the cavity inside the inner side of the flame-retardant shell is separated by latticed support ribs, a plurality of vent holes are formed in the opposite sides of the main shell and the auxiliary shell and the flame-retardant shell, and the flame-retardant shell is connected with the main shell and the auxiliary shell through a splicing mechanism. The support ribs uniformly separate the flame retardant, so that the flame retardant is uniformly heated.

In the low-cost electric appliance flame-retardant shell based on the BMC composite material, the inserting mechanism comprises inserting buckles arranged at the edge of the flame-retardant shell, inserting slots for inserting the inserting buckles are formed in the outer sides of the main shell and the auxiliary shell, and annular grooves for inserting the periphery of the flame-retardant shell are formed in the main shell and the auxiliary shell. The splicing mechanism realizes the rapid assembly of the flame-retardant shell and reduces the assembly cost.

In the low-cost electric appliance flame-retardant shell based on the BMC composite material, the main shell or the auxiliary shell is provided with a plurality of wiring holes, and the wiring holes are coated with the protective sleeves made of flame-retardant resin materials. The wiring hole is used for wiring of internal electric appliances, and the protective sleeve plays a good role in protecting electric wires.

In the low-cost electric appliance flame-retardant shell based on the BMC composite material, the outer side of the main shell is provided with a plurality of hanging buckles and an epitaxial plate, and the epitaxial plate is provided with a mounting hole. The main shell can be hung on or screwed on a corresponding wall.

In the low-cost electric appliance flame-retardant shell based on the BMC composite material, a support net made of silicon carbide fiber is clamped inside the main shell and the auxiliary shell. The supporting net maintains the integral structure of the supporting net and further improves the flame retardant effect.

In the low-cost electric appliance flame-retardant shell based on the BMC composite material, the main shell is provided with the monitoring box body, the monitoring box body is internally provided with the temperature sensor and the control module, and the control module is connected with the alarm module and the signal sending module. The monitoring box body can sense the temperature and send early warning information in time.

Compared with the prior art, the utility model has the advantages that: the flame retardant in the flame-retardant shell has a good flame-retardant effect on the main shell and the auxiliary shell, and effectively inhibits the spread of fire; the main shell and the auxiliary shell are convenient to assemble and seal, and can meet the fire-proof requirements of different electrical appliances; the main casing body and the auxiliary casing body have good structural stability, and detonation of the electric appliance is effectively prevented.

Drawings

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

FIG. 2 is a schematic view of another aspect of the present invention;

FIG. 3 is a structural cross-sectional view of the present invention;

FIG. 4 is a partial schematic view of the latch mechanism of the present invention;

in the figure, the main housing 1, the reinforcing rib 11, the protection block 12, the heat dissipation port 13, the sub-housing 2, the sealing strip 21, the locking mechanism 3, the fastening groove 31, the fastening plate 32, the locking plate 33, the locking protrusion 34, the locking groove 35, the locking edge 36, the flame-retardant housing 4, the supporting rib 41, the vent hole 42, the plugging mechanism 5, the plug buckle 51, the slot 52, the annular groove 53, the wiring hole 6, the protection sleeve 61, the hanging buckle 7, the extension plate 71, the mounting hole 72, the support network 8 and the monitoring box body 9.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, the low-cost flame-retardant housing for electric appliances based on the BMC composite material comprises a main housing 1 and an auxiliary housing 2 made of the BMC composite material, wherein the main housing 1 and the auxiliary housing 2 are connected with each other through a locking mechanism 3, the outer sides of the main housing 1 and the auxiliary housing 2 are respectively covered with a flame-retardant housing 4, a cavity inside the flame-retardant housing 4 is filled with a flame retardant, and the inner sides of the main housing 1 and the auxiliary housing 2 are covered with a PC film. The main casing body 1 and the auxiliary casing body 2 are connected through the locking mechanism 3, the inside cavity used for installing the electric appliance is arranged, the flame-retardant casing body 4 on the outer side covers the main casing body 1 and the auxiliary casing body 2, the flame retardant therein is heated to generate flame-retardant gas after the electric appliance is fired, the internal electric appliance is burnt to play a role in inhibiting, and the PC film on the outer side mainly prevents external burning. The common flame retardant is a halogen compound, hydrogen halide generated after heating has an inhibiting effect on open fire, and the main shell 1 and the auxiliary shell 2 made of the BMC composite material contain glass fibers, so that the flame retardant has a good fireproof effect.

Specifically, main casing body 1 is square box-like and the inboard distributes and has latticed strengthening rib 11, and main casing body 1 edge cladding elastic material's protection piece 12, main casing body 1 side distribution have banding thermovent 13. The protection block 12 mainly protects the corners of the main casing 1, and the heat generated by the electric appliance is dissipated in time through the heat dissipation port 13 on the side surface.

Deeply, the auxiliary shell 2 is hinged with the main shell 1 in a rotating mode, and a sealing strip 21 which is attached and pressed with the main shell 1 is arranged on the inner side of the edge opening of the auxiliary shell 2. The sealing strip 21 of the auxiliary shell 2 has certain elasticity, and plays a role in plugging the gap after being compressed, thereby playing a role in water prevention.

Further, the locking mechanism 3 includes the catching groove 31 arranged on the outer side of the main casing 1, the outer side of the auxiliary casing 2 is rotatably connected with a locking plate 32 fastened with the catching groove 31, the outer side of the locking plate 32 is slidably connected with a locking plate 33, two sides of one end, opposite to the main casing 1, of the locking plate 33 are provided with locking protrusions 34, the outer side of the main casing 1 is circumferentially provided with locking edges 36, and the locking edges 36 are provided with locking grooves 35 for inserting the locking protrusions 34. The buckle 32 is rotated to be buckled with the buckle groove 31, and then the locking plate 33 is slid, so that the locking protrusion 34 is inserted into the locking groove 35, and the two-way locking of the main casing 1 and the auxiliary casing 2 is realized.

Furthermore, the cavity inside the flame retardant housing 4 is partitioned by a grid-shaped support rib 41, a plurality of vent holes 42 are formed on the opposite sides of the main housing 1 and the auxiliary housing 2 to the flame retardant housing 4, and the flame retardant housing 4 is connected with the main housing 1 and the auxiliary housing 2 through the plugging mechanism 5. The vent 42 provides for the flow of the flame-retardant gas while facilitating the timely conduction of heat into the flame retardant.

Besides, the inserting mechanism 5 includes an inserting buckle 51 arranged at the edge of the flame-retardant shell 4, the outer sides of the main shell 1 and the auxiliary shell 2 are provided with inserting slots 52 for inserting the inserting buckle 51, and the main shell 1 and the auxiliary shell 2 are provided with annular grooves 53 for inserting the periphery of the flame-retardant shell 4. The inserting buckle 51 and the inserting groove 52 in the inserting mechanism 5 are inserted into each other, and the annular groove 53 further improves the sealing performance at the edge of the flame-retardant shell 4.

Meanwhile, the main shell body 1 or the auxiliary shell body 2 is provided with a plurality of wiring holes 6, and the wiring holes 6 are coated with a protective sleeve 61 made of flame-retardant resin. The wiring hole 6 is used for the power line to penetrate out, and the protective sleeve 61 is sleeved between the power line and the wiring hole 6, so that the power line and the wiring hole 6 are prevented from being abraded.

As can be seen, the outer side of the main housing 1 is provided with a plurality of hanging buckles 7 and an extension plate 71, and the extension plate 71 is provided with a mounting hole 72. The mounting holes 72 are provided with screws for connecting the extension plate 71 to the wall.

It is clear that the main casing 1 and the secondary casing 2 sandwich a supporting mesh 8 of silicon carbide fibre material. The supporting net 8 is used for maintaining the integral structure of the main casing 1 and the auxiliary casing 2, and ensuring the three-dimensional structure of the main casing 1 and the auxiliary casing 2 when the main casing 1 and the auxiliary casing 2 are heated, so that a space is reserved between the main casing and the internal electric appliance.

Preferably, the main casing body 1 is provided with a monitoring box body 9, a temperature sensor and a control module are arranged inside the monitoring box body 9, and the control module is connected with an alarm module and a signal sending module. The monitoring box body 9 is internally provided with a sensor for monitoring the running state of the electric appliance in time, the alarm module adopts an acousto-optic alarm mode to remind maintenance personnel, and the signal sending module realizes remote monitoring of the electric appliance.

In summary, the principle of the present embodiment is: the main casing body 1 and the auxiliary casing body 2 are rotationally sealed, the inner cavity is used for installing an electric appliance, a flame retardant is filled in the flame-retardant casing body 4 on the outer side, flame-retardant gas is generated under a high-temperature environment, the effect of inhibiting fire is achieved, and the main casing body 1 and the auxiliary casing body 2 are made of BMC composite materials and have a flame-retardant effect.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the terms of the main housing 1, the reinforcing rib 11, the protective block 12, the heat dissipating port 13, the sub-housing 2, the sealing strip 21, the latch mechanism 3, the latch groove 31, the latch plate 32, the locking plate 33, the locking protrusion 34, the locking groove 35, the locking edge 36, the flame retardant housing 4, the supporting rib 41, the vent hole 42, the plugging mechanism 5, the plug 51, the socket 52, the annular groove 53, the wiring hole 6, the protective sleeve 61, the hanging buckle 7, the extension plate 71, the mounting hole 72, the supporting net 8, the monitoring box 9, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a fire-retardant casing of low-cost electrical apparatus based on BMC combined material, includes main casing body (1) and vice casing (2) made by the BMC combined material, its characterized in that, main casing body (1) and vice casing (2) pass through latch mechanism (3) interconnect, main casing body (1) and vice casing (2) outside cover respectively and have fire-retardant casing (4), the inboard cavity of fire-retardant casing (4) fill and have the fire retardant, main casing body (1) and vice casing (2) inboard cover have the PC film.

2. The low-cost electric appliance flame-retardant shell based on the BMC composite material is characterized in that the main shell (1) is in a square box shape, grid-shaped reinforcing ribs (11) are distributed on the inner side of the main shell, protective blocks (12) made of elastic materials are coated at the corners of the main shell (1), and strip-shaped heat dissipation ports (13) are distributed on the side face of the main shell (1).

3. The low-cost electric appliance flame-retardant shell based on the BMC composite material is characterized in that the auxiliary shell (2) is hinged with the main shell (1) in a rotating mode, and a sealing strip (21) which is attached and pressed with the main shell (1) is arranged on the inner side of the edge opening of the auxiliary shell (2).

4. The low-cost flame-retardant electrical appliance shell based on the BMC composite material, according to claim 3, wherein the locking mechanism (3) comprises a catching groove (31) formed in an outer side edge of the main shell (1), the outer side edge of the auxiliary shell (2) is rotatably connected with a buckling plate (32) buckled with the catching groove (31), the outer side of the buckling plate (32) is slidably connected with a locking plate (33), locking protrusions (34) are arranged on two sides of one end of the locking plate (33) opposite to the main shell (1), locking edges (36) are distributed on the outer side of the main shell (1) along the circumferential direction, and locking grooves (35) for the locking protrusions (34) to be inserted are formed in the locking edges (36).

5. The low-cost electric appliance flame-retardant shell based on the BMC composite material is characterized in that the inside of a cavity on the inner side of the flame-retardant shell (4) is separated by grid-shaped support ribs (41), one side of the main shell (1) and the auxiliary shell (2) opposite to the flame-retardant shell (4) is provided with a plurality of vent holes (42), and the flame-retardant shell (4) is connected with the main shell (1) and the auxiliary shell (2) through an inserting mechanism (5).

6. The low-cost flame-retardant electrical appliance shell based on the BMC composite material, according to claim 5, wherein the plugging mechanism (5) comprises a plug buckle (51) arranged at the edge of the flame-retardant shell (4), the outer sides of the main shell (1) and the auxiliary shell (2) are provided with slots (52) for the plug buckle (51) to insert, and the main shell (1) and the auxiliary shell (2) are provided with annular grooves (53) for the periphery of the flame-retardant shell (4) to insert.

7. The flame-retardant housing of low-cost electric appliances based on BMC composite material of claim 1, wherein the main housing (1) or the sub-housing (2) is provided with a plurality of wiring holes (6), and the wiring holes (6) are covered with a protective cover (61) made of flame-retardant resin.

8. The low-cost electric appliance flame-retardant shell based on the BMC composite material is characterized in that a plurality of hanging buckles (7) and an extension plate (71) are arranged on the outer side of the main shell (1), and a mounting hole (72) is formed in the extension plate (71).

9. The low-cost flame-retardant housing for electrical appliances based on BMC composite material according to claim 1, characterized in that the main housing (1) and the sub-housing (2) sandwich a supporting net (8) made of silicon carbide fiber.

10. The low-cost flame-retardant electrical appliance shell based on the BMC composite material according to claim 1, wherein the main shell (1) is provided with a monitoring box (9), a temperature sensor and a control module are arranged inside the monitoring box (9), and the control module is connected with an alarm module and a signal sending module.