Fireproof low-voltage power distribution cabinet

Abstract

The utility model relates to the technical field of power distribution cabinets, in particular to a fireproof low-voltage power distribution cabinet, which structurally comprises a machine body, a cabinet door, a bottom plate, a fireproof air inlet mechanism, a temperature sensor and a dry powder box, and is characterized in that through the arrangement of a ventilation mechanism and a two-layer fireproof mechanism, when the temperature sensor senses that the external temperature is too high and has a certain risk, an electric telescopic rod is started; an electric telescopic rod drives a long plate to move upwards, when the long plate moves upwards, a matching plate is driven to rotate, the matching plate is fixed to a round rod, the round rod drives an opening and closing plate to seal a ventilation groove, at the moment, a lower fireproof plate moves upwards along with the long plate and is matched with an upper fireproof plate, and a second fireproof line is formed; the problem that the ventilation effect and method are not good while the machine body has the fireproof performance is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution cabinets, in particular to a fireproof low-voltage power distribution cabinet. Background Art

[0002] Power supply refers to the safe, reliable, continuous and qualified sale of electric energy to the vast number of power customers through power transmission and distribution devices to meet the needs of economic construction and daily life of the vast number of customers. The power system converts the primary energy in nature into electric energy through power generation devices, and then supplies the electric energy to various users through transmission, transformation and distribution. The distribution cabinet is the final equipment of the distribution system, and it is often used in occasions where the load is relatively dispersed and there are fewer circuits.

[0003] For example, patent document: CN210074444U discloses a fireproof low-voltage distribution cabinet, comprising a cabinet body and a base, the cabinet body is fixedly connected to the base, first assembly grooves are symmetrically provided on the left and right sides of the cabinet body, the first assembly grooves are equipped with a first fireproof board, a second assembly groove is provided on the upper side of the cabinet body, the second assembly grooves are equipped with a second fireproof board, a third assembly groove is provided on the rear side of the cabinet body, the third assembly grooves are equipped with a third fireproof board, a ventilation baffle is provided inside the cabinet body, the inner part of the cabinet body is divided into a cooling and heat dissipation chamber and a distribution room, the cooling and heat dissipation chamber is provided with a fan and a motor, the cooling and heat dissipation chamber is provided with an air inlet groove, the distribution room is provided with an air outlet groove, the cabinet body is rotatably connected with a cabinet door, the cabinet door is provided with a fourth assembly groove, and the fourth assembly groove is equipped with a fourth fireproof board. The utility model solves the problems that the existing distribution cabinet has poor fire prevention effect against external fire, cannot protect the cabinet body from damage, is inconvenient to install and replace the fireproof board, and cannot cool and dissipate heat inside the distribution cabinet.

[0004] Based on the above, it was found that the fireproof distribution cabinet uses a motor to drive the fan blades to cool the inside of the body, and only takes in air through the air inlet slot. This method requires the motor to be started all the time to dissipate heat inside, which is very power-consuming. In addition, when a fire occurs, open flames may enter the inside of the body from the air inlet slot and the air outlet slot, which poses certain hidden dangers. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a fireproof low-voltage power distribution cabinet, which has the advantages of being able to enter for ventilation and preventing electrical fires from occurring in the cabinet.

[0006] In order to achieve the above-mentioned functional objectives, the utility model provides the following technical solutions: a fireproof low-voltage power distribution cabinet, comprising a body, a cabinet door, a bottom plate, a fireproof air intake mechanism, a temperature sensor, and a dry powder box, wherein the cabinet door is installed on the body, the bottom plate is fixed under the body, the body is provided with a fireproof air intake mechanism, the body is fixed with a temperature sensor, the body is provided with a dry powder box, the fireproof air intake mechanism comprises an electric telescopic rod, a driving mechanism, a ventilation mechanism, and a two-layer fireproof mechanism, an electric telescopic rod is installed in the body, the electric telescopic rod is provided with a driving mechanism, the driving mechanism is matched with a ventilation mechanism movable on the body, and the driving mechanism is matched with a two-layer fireproof mechanism movable on the body.

[0007] By adopting the above technical solution, the problem of open flame entering the machine body and causing electrical fire is prevented.

[0008] As an optimization, the machine body includes arc grooves, clamping grooves, open grooves and ventilation grooves. The machine body is provided with ventilation grooves, the ventilation grooves are provided with arc grooves, the ventilation grooves are provided with clamping grooves, and the ventilation grooves are provided with open grooves.

[0009] By adopting the above technical solution, the arc groove and the card slot are matched with the ventilation mechanism, and the slot is matched with the second-layer fire protection mechanism.

[0010] As an optimization, the driving mechanism includes a long board, an upper card board, and a lower card board. The electric telescopic rod is fixed with a long board, upper card boards are evenly distributed on the long board, and a lower card board to which the long board is fixed is provided below the upper card board.

[0011] By adopting the above technical solution, the movement of the long board drives the ventilation mechanism to move.

[0012] As an optimization, the ventilation mechanism includes a round rod, an opening and closing plate, a protrusion, and a matching plate. The round rod is movable in the machine body, an opening and closing plate is fixed on the round rod, a protrusion matching with the groove is fixed on the opening and closing plate, and a matching plate matching with the upper clamping plate and the lower clamping plate is fixed on the round rod.

[0013] By adopting the above technical solution, when a fire occurs, the opening and closing plates can be closed to completely seal the ventilation slots, thereby preventing open flames from entering the machine body through the ventilation slots.

[0014] As an optimization, the two-layer fire protection mechanism includes an upper fire protection plate, a lower fire protection plate, and a connecting rod. The upper fire protection plate is fixed in the ventilation slot, the connecting rod is fixed on the long plate, and the lower fire protection plate movable in the slot is fixed on the connecting rod.

[0015] By adopting the above technical solution, the additional upper fireproof plate and lower fireproof plate prevent the opening and closing plate from being burned through by open flames, and the open flames can still enter the interior of the machine body.

[0016] As an optimization, the machine body includes a powder spreader and a sensor. The powder spreader is fixed to the inner top surface of the machine body and connected to the dry powder box. A sensor is provided on one side of the powder spreader.

[0017] By adopting the above technical solution, the fire can be prevented from further spreading in the machine body.

[0018] Beneficial Effects

[0019] Compared with the prior art, the advantages of the utility model are:

[0020] The utility model discloses a fireproof low-voltage power distribution cabinet. Through the arrangement of a ventilation mechanism and a second-layer fireproof mechanism, when a temperature sensor senses that the outside temperature is too high and there is a certain risk, an electric telescopic rod is started, and the electric telescopic rod drives a long plate to move upward. When the long plate moves up, it drives a matching plate to rotate. The matching plate is fixed on a round rod, and the round rod drives the opening and closing plate to close the ventilation slot. At this time, the lower fireproof plate moves upward with the long plate and cooperates with the upper fireproof plate to form a second fireproof line, thereby solving the problem that the ventilation effect is poor while the machine body has good fireproof performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of a fireproof low-voltage power distribution cabinet of the utility model;

[0022] Figure 2 It is a schematic diagram of the internal structure of the body of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the fireproof air intake mechanism of the utility model;

[0024] Figure 4 This is a structural diagram of the driving mechanism of the utility model;

[0025] Figure 5 It is a schematic diagram of the combined structure of the ventilation mechanism, driving mechanism and second-layer fire protection mechanism of the utility model.

[0026] The reference numerals in the figure are: body -1, cabinet door -2, bottom plate -3, fireproof air intake mechanism -4, temperature sensor -5, dry powder box -6, electric telescopic rod -41, driving mechanism -42, ventilation mechanism -43, second-layer fireproof mechanism -44, arc groove -01, card slot -02, slot -03, ventilation slot -04, long board -21, upper card plate -22, lower card plate -23, round rod -31, opening and closing plate -32, protrusion -33, matching plate -34, upper fireproof plate -51, lower fireproof plate -52, connecting rod -53, powder spreader -11, sensor -12. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example

[0029] See also Figure 1-5 A fireproof low-voltage power distribution cabinet includes a body 1, a cabinet door 2, a bottom plate 3, a fireproof air intake mechanism 4, a temperature sensor 5, and a dry powder box 6. The cabinet door 2 is installed on the body 1, and the bottom plate 3 is fixed under the body 1. The body 1 is provided with a fireproof air intake mechanism 4, the body 1 is fixed with a temperature sensor 5, and the body 1 is provided with a dry powder box 6. The fireproof air intake mechanism 4 includes an electric telescopic rod 41, a driving mechanism 42, a ventilation mechanism 43, and a second-layer fireproof mechanism 44. The body 1 is provided with an electric telescopic rod 41, and the electric telescopic rod 41 is provided with a driving mechanism 42, and the driving mechanism 4 2 is matched with a ventilation mechanism 43 that is movable on the body 1, and the driving mechanism 42 is matched with a second-layer fire protection mechanism 44 that is movable on the body 1. The above-mentioned electric telescopic rod 41 is set up. When the temperature sensor 5 senses that the ambient temperature is too high and there is a certain risk, it will be started, and the electric telescopic rod 41 will drive the driving mechanism 42 to operate, and the ventilation mechanism 43 and the second-layer fire protection mechanism 44 on the driving mechanism 42 will be closed, isolating the connection between the outside and the body 1, preventing open flames from entering the body 1 to cause more serious electrical fires.

[0030] In this embodiment, the body 1 includes an arc groove 01, a card slot 02, an open slot 03, and a ventilation slot 04. The body 1 is provided with a ventilation slot 04, the ventilation slot 04 is provided with an arc groove 01, the ventilation slot 04 is provided with a card slot 02, and the ventilation slot 04 is provided with an open slot 03. Through the arrangement of the above-mentioned ventilation slot 04, the interior of the body 1 can be ventilated with the outside, and the arrangement of the arc groove 01 and the card slot 02 are used to cooperate with the ventilation mechanism 43, and the open slot 03 is used to cooperate with the second-layer fire protection mechanism 44.

[0031] In this embodiment, the driving mechanism 42 includes a long board 21, an upper card plate 22, and a lower card plate 23. The long board 21 is fixed on the electric telescopic rod 41, and the upper card plates 22 are evenly distributed on the long board 21. A lower card plate 23 fixed to the long board 21 is provided below the upper card plate 22. The above-mentioned electric telescopic rod 41 can drive the long board 21 to move up and down, and the upper card plate 22 and the lower card plate 23 fixed on the long board 21 cooperate with the ventilation mechanism 43.

[0032] In this embodiment, the ventilation mechanism 43 includes a round rod 31, an opening and closing plate 32, a protrusion 33, and a matching plate 34. The round rod 31 is movable in the body 1, and an opening and closing plate 32 is fixed on the round rod 31. A protrusion 33 that matches the slot 02 is fixed on the opening and closing plate 32. A matching plate 34 that matches the upper clamping plate 22 and the lower clamping plate 23 is fixed on the round rod 31. The matching rod 34 is arranged between the upper clamping plate 22 and the lower clamping plate 23. When the electric telescopic rod 41 is started, the long plate 21 starts to move, which will drive the matching plate 34 to rotate, and the matching plate 34 is fixed on the round rod 31. The opening and closing plate 32 is fixed on the round rod 31, and the opening and closing plate 32 starts to rotate accordingly. The upper end of the opening and closing plate 32 rotates in the arc groove 01, and the lower end rotates to fit in the clamping groove 02, completely closing the ventilation groove 04, and preventing open flames from entering the body 1 from the ventilation groove 04.

[0033] In this embodiment, the two-layer fire protection mechanism 44 includes an upper fire protection plate 51, a lower fire protection plate 52, and a connecting rod 53. The upper fire protection plate 51 is fixed in the ventilation slot 04, the connecting rod 53 is fixed on the long plate 21, and the lower fire protection plate 52 movable in the slot 03 is fixed on the connecting rod 53. Through the arrangement of the upper fire protection plate 51 and the lower fire protection plate 52, when the long plate 21 moves upward, the lower fire protection plate 52 also moves upward until it is engaged with the upper fire protection plate 51, thereby preventing the opening and closing plate 32 from being burned through by open flames and the open flames from still being able to enter the interior of the machine body 1.

[0034] In this embodiment, the body 1 includes a powder spreader 11 and a sensor 12. The powder spreader 11 is fixed to the inner top surface of the body 1 and is connected to the dry powder box 6. The sensor 12 is provided on one side of the powder spreader 11. Through the setting of the sensor 12, when the sensor 12 senses that an open flame is generated inside the body 1, the sensor 12 sends a signal, and the powder spreader 11 starts to work to extinguish the fire inside the body 1 to prevent the fire from spreading further.

[0035] Working principle:

[0036] When the temperature sensor 5 senses that the ambient temperature is too high and there is a certain risk, the electric telescopic rod 41 will start. When the electric telescopic rod 41 starts, the long board 21 starts to move, and the upper card plate 22 and the lower card plate 23 are fixed on the long board 21, and the matching rod 34 is between the upper card plate 22 and the lower card plate 23, at this time, the matching plate 34 will be driven to rotate, and the matching plate 34 is fixed on the round rod 31, and the opening and closing plate 32 is fixed on the round rod 31, and the opening and closing plate 32 starts to rotate accordingly. The upper end of the opening and closing plate 32 rotates in the arc groove 01, and the lower end rotates to fit into the card groove 02, completely closing the ventilation groove 04, preventing open flames from entering the interior of the body 1 through the ventilation groove 04, and through the arrangement of the upper fireproof plate 51 and the lower fireproof plate 52, when the long plate 21 moves upward, the lower fireproof plate 52 also moves upward until it is fully engaged with the upper fireproof plate 51, preventing the opening and closing plate 32 from being burned through by open flames, and the open flames can still enter the interior of the body 1.

[0037] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A fireproof low-voltage power distribution cabinet, comprising a body (1), a cabinet door (2) mounted on the body (1), a bottom plate (3) fixed under the body (1), a fireproof air intake mechanism (4) provided on the body (1), a temperature sensor (5) fixed on the body (1), and a dry powder box (6) provided on the body (1), characterized in that: The fireproof air intake mechanism (4) comprises an electric telescopic rod (41) installed in the body (1), a driving mechanism (42) arranged on the electric telescopic rod (41), a ventilation mechanism (43) matched with the driving mechanism (42), and a second-layer fireproof mechanism (44) matched with the driving mechanism (42); the body (1) comprises a ventilation slot (04) arranged on the body (1), an arc-shaped slot (01) arranged on the ventilation slot (04), a clamping slot (02) arranged on the ventilation slot (04), and an open slot (03) arranged on the ventilation slot (04).

2. The fireproof low-voltage distribution cabinet according to claim 1 is characterized in that: The driving mechanism (42) comprises a long plate (21) fixed to the electric telescopic rod (41), upper clamping plates (22) evenly distributed on the long plate (21), and a lower clamping plate (23) arranged below the upper clamping plate (22).

3. The fireproof low-voltage distribution cabinet according to claim 1 is characterized in that: The ventilation mechanism (43) comprises a round rod (31) movable in the machine body (1), an opening and closing plate (32) fixed to the round rod (31), a protrusion (33) fixed to the opening and closing plate (32), and a matching plate (34) fixed to the round rod (31).

4. The fireproof low-voltage distribution cabinet according to claim 2 is characterized in that: The second-layer fire protection mechanism (44) includes an upper fire protection plate (51) fixed in the ventilation slot (04), a connecting rod (53) fixed on the long plate (21), and a lower fire protection plate (52) fixed on the connecting rod (53) and movable in the slot (03).

5. The fireproof low-voltage distribution cabinet according to claim 1 is characterized in that: The machine body (1) comprises a powder spreader (11) fixed to the top surface of the machine body (1) and a sensor (12) on one side of the powder spreader (11).

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