CN112909755B

CN112909755B - Household kitchen power box with flame retardant function

Info

Publication number: CN112909755B
Application number: CN202110057063.0A
Authority: CN
Inventors: 梁少杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2023-06-16
Anticipated expiration: 2041-01-15
Also published as: CN112909755A

Abstract

The invention relates to the technical field of electric power engineering, in particular to a household kitchen power box with a flame-retardant function, which comprises a box body, a box cover, electric appliances and flame-retardant wires, wherein the front side of the box body is hinged with the box cover, a plurality of heat dissipation holes are formed in the side wall of the box body, a gas storage bin, an air pump, a flow divider and a plurality of electric appliances are fixed in the box body by screws, a water-cooling radiator is arranged in the gas storage bin, and an air pressure meter is fixedly embedded in the outer wall of the gas storage bin.

Description

Household kitchen power box with flame retardant function

Technical Field

The invention relates to the technical field of power engineering, in particular to a household kitchen power box with a flame retardant function.

Background

The power box mainly provides operating power for vacuum circuit breakers and other high-voltage switches, the input voltage adopted by the power box is 220V or 380V, and the power box outputs direct current after voltage regulation and rectification by using a silicon controlled rectifier, has the characteristic of large output direct voltage multi-gear adjustable current and the function of single-split and single-combination operation, and the overhaul power box is a protection device combining a three-phase socket, a single-phase socket and a direct current socket, allows the current to be large, and is convenient for plugging various temporary power utilization devices such as electric tools, electric equipment and lighting lamps during overhaul.

In the household kitchen electricity utilization process, the power supply box plays a quite important role in protection, however, due to the fact that the voltage of kitchen electric equipment is too large, the condition that a circuit in the power supply box fires is caused for a long time, the condition that the circuit is short-circuited or exploded is seriously caused, the safety of household kitchen electricity utilization is seriously affected, the traditional power supply box equipment lacks corresponding fireproof measures, and once overheat or electric spark phenomenon occurs, fire is extremely easy to occur.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a household kitchen power box with a flame retardant function.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a household kitchen power supply box with fire-retardant function, includes box, case lid, electrical apparatus and fire-retardant line, the front side of box articulates there is the case lid, a plurality of louvres have all been seted up to the box lateral wall, screw fixation has gas storage storehouse, air pump, shunt and a plurality of electrical apparatus in the box, install water-cooled radiator in the gas storage storehouse, the gas storage storehouse outer wall still fixedly inlay has the barometer, fixedly connected with gas-supply pipe between the input of air pump and the gas storage storehouse, fixedly connected with blast pipe between the output of air pump and the shunt, adjacent can dismantle between the electrical apparatus and be connected with fire-retardant line, fixedly connected with back flow between gas storage storehouse and the end electrical apparatus, fixedly connected with intake pipe between shunt and the head end electrical apparatus, fixedly embedded control panel and the handle that is equipped with on the case lid, control panel is last to be equipped with display screen and a plurality of operating button, equal electric connection has the wire between control panel and the electrical apparatus, be provided with in the shunt and share air chamber and a plurality of connecting chambers, share air chamber and connecting chamber between equal intercommunication and the air inlet channel, equal conical spring coupling has between equal conical spring coupling between the air inlet channel and the equal conical connection.

Specifically, be provided with intercommunication passageway and a plurality of inner chamber in the electrical apparatus, the intercommunication passageway is linked together with each intake pipe respectively, electrical apparatus outer wall still is provided with a plurality of thread grooves, all communicate through the intercommunication chamber between thread groove and the adjacent inner chamber, the equal fixedly connected with reset spring of inner chamber inner wall, reset spring tip all inlays and is equipped with the shutoff plug, the shutoff plug comprises electric conductor, thermistor ring, heat conduction silica gel and insulating cover in proper order outside by interior.

Specifically, fire-retardant line includes fire-retardant cover, central cable, twists piece and conductive column, be provided with central cable in the fire-retardant cover, the both ends of fire-retardant cover rotate respectively and inlay and are screwed the piece, it all fixedly connected with spliced pole to twist the piece, the spliced pole outer wall all is provided with the external screw thread, all inlay on the both sides terminal surface of fire-retardant cover and be equipped with conductive column, all be provided with the gas pocket in the conductive column, central cable fixed connection is between two conductive columns, fire-retardant cover inner wall still is provided with a plurality of counterpoint lugs.

Specifically, the gas storage bin is filled with inert gas, the detection end of the barometer extends into the gas storage bin, and an inert gas circulation path is formed among the gas storage bin, the air pump, the flow divider, the exhaust pipe, the electric appliance, the flame retardant line and the return pipe.

Specifically, the plugging ball is opposite to the air outlet channel, the plugging ball is a metal sphere, and the electromagnet is arranged corresponding to the plugging ball.

Specifically, a closed loop is formed among the thermosensitive resistor ring, the electromagnet and the power supply, and both ends of the conductor extend out of the insulating sleeve

Specifically, the thread groove is arranged corresponding to the connecting column, the structure of the thread groove is arranged in a matched mode with that of the external thread, and the conductive column is arranged corresponding to the conductive body.

Specifically, the cross section of gas pocket is "worker" font structure, fire-retardant cover is made for polyvinyl chloride material, counterpoint lug outer wall and central cable outer wall tangent setting.

The invention has the beneficial effects that:

1. according to the household kitchen power box with the flame retardant function, an inert gas circulation path is formed among the gas storage bin, the air pump, the flow divider, the exhaust pipe, the electric appliance, the flame retardant line and the return pipe, the inert gas temperature in the gas storage bin can be reduced in real time by means of the water cooling radiator, so that the inert gas can be used for circularly cooling the cable and the electric appliance, unsafe factors of water cooling heat dissipation are avoided, high-temperature combustion is not caused, and the use safety of the power box is effectively enhanced.

2. According to the household kitchen power box with the flame retardant function, the connecting column can be detached from the threaded groove by rotating the screwing block, the conductive column can be pulled out from the communicating cavity, and the communicating cavity can be plugged timely by the plugging plug under the elastic action of the reset spring, so that inert gas leakage can be reduced, an electrical appliance or a circuit can be conveniently overhauled and replaced, inert gas loss is reduced, the air pressure gauge is arranged, the condition of insufficient air pressure in the air storage bin can be avoided, and the air charging operation by workers is facilitated timely.

3. According to the household kitchen power box with the flame retardant function, the thermosensitive resistor rings are negative temperature coefficient thermosensitive resistors, the resistance value of the thermosensitive resistor rings is increased under the influence of temperature rise, so that the magnetism of electromagnets of the same circuit is enhanced, the heat dissipation effect of a reflux path can be enhanced by increasing the ventilation quantity, the condition that the temperature of individual central cables is continuously raised is avoided, the temperature values of the thermosensitive resistor rings can be displayed in real time by the display screen, and a user can conveniently check or examine circuit faults.

Drawings

The invention will be further described with reference to the drawings and examples.

Fig. 1 is an external view of a household kitchen power box with a flame retardant function;

FIG. 2 is a cross-sectional view of a household kitchen power box with flame retardant function provided by the invention;

FIG. 3 is a schematic diagram of a connection structure of a flame retardant wire and an electric appliance in a household kitchen power box with a flame retardant function;

FIG. 4 is a cross-sectional view of a shunt in a household kitchen power box with flame retardant function provided by the invention;

FIG. 5 is a schematic cross-sectional view of a flame retardant wire in a household kitchen power box with flame retardant function provided by the invention;

fig. 6 is a sectional view of a plug in a household kitchen power box with flame retardant function.

In the figure: 1. a case; 11. a heat radiation hole; 12. a gas storage bin; 121. an air pressure gauge; 13. an air pump; 14. a gas pipe; 15. an exhaust pipe; 16. a shunt; 161. a connecting cavity; 162. a conical spring; 163. a blocking ball; 164. an air outlet channel; 165. a common air chamber; 166. an air intake passage; 167. an electromagnet; 17. an air inlet pipe; 18. a return pipe; 19. a wire; 2. a case cover; 21. a control panel; 22. a display screen; 23. a handle; 24. operating the key; 3. an electric appliance; 31. a communication passage; 32. an inner cavity; 33. a return spring; 34. sealing the plug; 341. an insulating sleeve; 342. a thermosensitive resistance ring; 343. thermally conductive silica gel; 3431. an electric conductor; 35. a communication chamber; 36. a thread groove; 4. a flame retardant wire; 41. a flame retardant sleeve; 42. a center line cable; 43. aligning the protruding blocks; 44. screwing the block; 45. a connecting column; 46. an external thread; 47. a conductive post; 471. and (5) air holes.

Detailed Description

The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

As shown in fig. 1-6, the household kitchen power box with the flame retardant function comprises a box body 1, a box cover 2, electric appliances 3 and flame retardant wires 4, wherein the front side of the box body 1 is hinged with the box cover 2, a plurality of heat dissipation holes 11 are formed in the side wall of the box body 1, a gas storage bin 12, an air pump 13, a shunt 16 and a plurality of electric appliances 3 are fixedly arranged in the box body 1 through screws, a water cooling radiator is arranged in the gas storage bin 12, an air pressure meter 121 is fixedly embedded in the outer wall of the gas storage bin 12, an air pipe 14 is fixedly connected between the input end of the air pump 13 and the gas storage bin 12, an exhaust pipe 15 is fixedly connected between the output end of the air pump 13 and the shunt 16, a flame retardant wire 4 is detachably connected between adjacent electric appliances 3, a backflow pipe 18 is fixedly connected between the gas storage bin 12 and the end electric appliances 3, an air inlet pipe 17 is fixedly connected between the shunt 16 and the head electric appliances 3, a control panel 21 and a handle 23 are fixedly embedded in the box cover 2, a display screen 22 and a plurality of operation keys 24 are embedded in the control panel 21 and each electric appliance 3, a wire guide wire 19 is fixedly embedded in the control panel 21 and each electric appliance 3, an air inlet cavity 165 is arranged in the air inlet cavity 161 is arranged between the air cavity 161 and the air cavity is also connected between the air cavity 161 and the air cavity 161, the air cavity is connected between the air cavity 161 and the air cavity is also connected between the air cavity 161 and the air cavity is connected with the air cavity 161, the air cavity 161 is also arranged, and the air cavity 161 is connected between the air cavity 161 is connected with the air cavity 161, and the air cavity is also is connected with the air cavity 161.

Specifically, a communication channel 31 and a plurality of inner cavities 32 are arranged in the electric appliance 3, the communication channel 31 is respectively communicated with each air inlet pipe 17, a plurality of thread grooves 36 are further arranged on the outer wall of the electric appliance 3, the thread grooves 36 are communicated with the adjacent inner cavities 32 through communication cavities 35, return springs 33 are fixedly connected to the inner walls of the inner cavities 32, sealing plugs 34 are embedded at the end parts of the return springs 33, and the sealing plugs 34 are sequentially composed of electric conductors 3431, heat-sensitive resistance rings 342, heat-conducting silica gel 343 and insulating sleeves 341 from inside to outside.

Specifically, fire-retardant line 4 includes fire-retardant cover 41, center line cable 42, revolve and twist piece 44 and conductive post 47, be provided with center line cable 42 in the fire-retardant cover 41, the both ends of fire-retardant cover 41 rotate respectively and inlay soon and twist piece 44, revolve and twist the equal fixedly connected with spliced pole 45 of piece 44, the spliced pole 45 outer wall all is provided with external screw thread 46, all inlay on the both sides terminal surface of fire-retardant cover 41 and be provided with conductive post 47, all be provided with gas pocket 471 in the conductive post 47, center line cable 42 fixed connection is between two conductive posts 47, fire-retardant cover 41 inner wall still is provided with a plurality of counterpoint lugs 43.

Specifically, the inert gas is filled in the gas storage bin 12, the detection end of the air pressure meter 121 extends into the gas storage bin 12, an inert gas circulation path is formed among the gas storage bin 12, the air pump 13, the flow divider 16, the exhaust pipe 15, the electric appliance 3, the flame retardant line 4 and the return pipe 18, the water cooling radiator can reduce the temperature of the inert gas in the gas storage bin 12 in real time, the air pump 13 can extract the inert gas in the gas storage bin 12, so that the inert gas can be introduced into the common gas cavity 165 in the flow divider 16, the inert gas can enter the air inlet pipe 17 after being split by the common gas cavity 165, the air inlet channel 166 is communicated with the inner cavity 32 of the electric appliance 3, so that the inert gas can flow into the next electric appliance 3 along the flame retardant line 4, and so on until the inert gas can enter the gas storage bin 12 again along the return pipe 18, and the temperature reduction is realized in turn.

Specifically, the blocking ball 163 is opposite to the air outlet channel 164, the blocking ball 163 is a metal sphere, the electromagnet 167 is arranged corresponding to the blocking ball 163, the magnetism of the electromagnet 167 is enhanced, the blocking ball 163 is far away from the air outlet channel 164, the air flow entering the loop is increased, the inert gas is enabled to quickly take away the heat of the loop, and the temperature of the central cable 42 is effectively reduced.

Specifically, a closed loop is formed among the thermistor ring 342, the electromagnet 167 and the power supply, the two ends of the electric conductor 3431 extend out of the insulating sleeve 341, the electric conductor 3431 can be in contact with the electric conductive column 47 for electric conduction, and has a heat conduction effect, the thermistor ring 342 is a negative temperature coefficient thermistor, and is affected by temperature rise, the resistance will be reduced, so that the magnetism of the thermistor ring 342 is enhanced.

Specifically, the thread groove 36 is correspondingly disposed with the connecting post 45, the structure of the thread groove 36 is adapted to the structure of the external thread 46, the conductive post 47 is correspondingly disposed with the conductive body 3431, the connecting post 45 can be detached from the thread groove 36 by rotating the screwing block 44, and the connecting post 45 can be re-embedded into the thread groove 36 by reversing operation.

Specifically, the cross section of gas pocket 471 is "worker" font structure, and fire-retardant cover 41 is made for polyvinyl chloride material, and alignment lug 43 outer wall tangentially sets up with central cable 42 outer wall, and alignment lug 43's setting for the air current can be followed central cable 42 outer wall and evenly circulated, and the fire-retardant gas can be produced in the combustion process in polyvinyl chloride material preparation, and then avoids fire-retardant cover 41 to last the condition of burning.

Working principle: the air pump 13 and the water-cooling radiator are started, the water-cooling radiator can reduce the temperature of inert gas in the gas storage bin 12 in real time, the air pump 13 can extract the inert gas in the gas storage bin 12, so that the inert gas can be led into the common gas cavity 165 in the shunt 16, the inert gas can enter the air inlet pipe 17 after being shunted by the common gas cavity 165, the air inlet channel 166 is communicated with the inner cavity 32 of the electric appliance 3, the inert gas can circulate into the next electric appliance 3 along the flame retardant line 4, and so on until the inert gas can enter the gas storage bin 12 again along the return pipe 18, when the circuit is overhauled, the power supply is needed to be closed firstly, the screwing block 44 is turned, the connecting column 45 can be disassembled by the thread groove 36, the conductive column 47 can be drawn out from the communicating cavity 35, the plugging plug 34 can be communicated with the cavity 35 in time under the elastic force of the reset spring 33, so that the leakage of the inert gas can be reduced, in the same way, the conducting post 47 can be inserted into the communicating cavity 35 to contact with the conductor 3431 for conducting electricity, so that the normal operation of the electric appliance 3 can be ensured, the conducting post 47 can jack the blocking plug 34, so that high-pressure inert gas can enter the flame retardant sleeve 41 from the air hole 471, the inert gas can normally circulate, the air gauge 121 is arranged, the condition of insufficient air pressure in the air storage bin 12 can be avoided, the air charging operation can be conveniently carried out in time by staff, when the temperature of the conductor 3431 or the conducting post 47 continuously rises, the resistance value of the thermosensitive resistor 342 can be changed, the current passing through the electromagnet 167 can be influenced, the thermosensitive resistor 342 is a negative temperature coefficient thermistor, the resistance value can be reduced under the influence of the temperature rise, so that the magnetism of the corresponding electromagnet 167 is enhanced, the blocking ball 163 is far away from the air outlet channel 164, the air flow entering the loop is increased, so that the inert gas takes away the heat of the loop rapidly, the temperature of the central cable 42 is effectively reduced, the temperature is reduced by adopting an inert gas backflow mode, the condition of high-temperature combustion cannot be caused, and the use safety of the power box is effectively enhanced.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a household kitchen power supply box with flame retardant function, its characterized in that, including box (1), case lid (2), electrical apparatus (3) and fire-retardant line (4), the front side of box (1) articulates there is case lid (2), a plurality of louvres (11) have all been seted up to box (1) lateral wall, screw fixation has gas storage storehouse (12), air pump (113), shunt (16) and a plurality of electrical apparatus (3) in box (1), install water-cooled radiator in gas storage storehouse (12), gas storage storehouse (12) outer wall still fixedly inlays and is equipped with barometer (121), fixedly connected with gas-supply line (14) between the input of air pump (113) and gas storage storehouse (12), fixedly connected with blast pipe (15) between the output of air pump (113) and shunt (16), adjacent be connected with fire-retardant line (4) between electrical apparatus (3), fixedly connected with (18) between gas storage storehouse (12) and the end electrical apparatus (3), fixedly connected with back flow (21) and electrical apparatus (17) are inlayed in fixedly connected with on control panel (23) between air inlet tube (16) and head end (3), the control panel (21) is embedded with a display screen (22) and a plurality of operation keys (24), wires (19) are electrically connected between the control panel (21) and each electric appliance (3), a common air cavity (165) and a plurality of connecting cavities (161) are arranged in the shunt (16), air inlet channels (166) are communicated between the common air cavity (165) and the connecting cavities (161), air outlet channels (164) are communicated between the connecting cavities (161) and the adjacent air inlet pipes (17), conical springs (162) are fixedly connected to the inner walls of the connecting cavities (161), blocking balls (163) are embedded at the ends of the conical springs (162), and electromagnets (167) are arranged on one side of each connecting cavity (161) and in the shunt (16);

inert gas is filled in the gas storage bin (12), the detection end of the barometer (121) extends into the gas storage bin (12), and an inert gas circulation path is formed among the gas storage bin (12), the air pump (113), the flow divider (16), the exhaust pipe (15), the electric appliance (3), the flame retardant line (4) and the return pipe (18).

2. A home kitchen power box with flame retardant function according to claim 1, characterized in that: be provided with intercommunication passageway (31) and a plurality of inner chamber (32) in using electrical apparatus (3), intercommunication passageway (31) are linked together with each intake pipe (17) respectively, using electrical apparatus (3) outer wall still is provided with a plurality of thread groove (36), all communicate through intercommunication chamber (35) between thread groove (36) and the adjacent inner chamber (32), the equal fixedly connected with reset spring (33) of inner chamber (32) inner wall, reset spring (33) tip all inlays and is equipped with shutoff stopper (34), shutoff stopper (34) are by interior outside in proper order by electric conductor (3431), thermistor ring (342), heat conduction silica gel (343) and insulating cover (341).

3. A home kitchen power box with flame retardant function according to claim 2, characterized in that: the flame-retardant wire (4) comprises a flame-retardant sleeve (41), a central wire (42), screwing blocks (44) and conductive columns (47), wherein the central wire (42) is arranged in the flame-retardant sleeve (41), the screwing blocks (44) are respectively and rotationally embedded at two ends of the flame-retardant sleeve (41), the screwing blocks (44) are fixedly connected with connecting columns (45), external threads (46) are arranged on the outer walls of the connecting columns (45), the conductive columns (47) are embedded on the end faces of two sides of the flame-retardant sleeve (41), air holes (471) are formed in the conductive columns (47), the central wire (42) is fixedly connected between the two conductive columns (47), and a plurality of alignment bumps (43) are further arranged on the inner walls of the flame-retardant sleeve (41).

4. A home kitchen power box with flame retardant function according to claim 1, characterized in that: the blocking ball (163) is opposite to the air outlet channel (164), the blocking ball (163) is a metal sphere, and the electromagnet (167) is arranged corresponding to the blocking ball (163).

5. A home kitchen power box with flame retardant function according to claim 2, characterized in that: a closed loop is formed among the thermosensitive resistor ring (342), the electromagnet (167) and the power supply, and both ends of the conductor (3431) extend out of the insulating sleeve (341).

6. A home kitchen power box with flame retardant function according to claim 3, characterized in that: the thread groove (36) is arranged corresponding to the connecting column (45), the structure of the thread groove (36) is arranged in a matched mode with that of the external thread (46), and the conductive column (47) is arranged corresponding to the conductive body (3431).

7. A home kitchen power box with flame retardant function according to claim 3, characterized in that: the section of the air hole (471) is of an I-shaped structure, the flame-retardant sleeve (41) is made of polyvinyl chloride materials, and the outer wall of the alignment lug (43) is tangential to the outer wall of the central cable (42).