Power distribution cabinet with protection function

Abstract

The utility model provides a power distribution cabinet with a protection function, which belongs to the technical field of power distribution cabinets and comprises a power distribution cabinet body. The electrical element protection structure is arranged on the inner side wall of the power distribution cabinet body; the electrical element protection structure comprises a fireproof protection cover arranged in the power distribution cabinet body; the cover cap is fixed at one side end of the fireproof protective cover through a screw; the stepping motor is fixed on the outer wall of one side, far away from the fireproof protection cover, of the cover cap through a bolt; the fireproof plate is fixed at the output end of the stepping motor; the outer arc parts are arranged at the top and the bottom of the fireproof plate; according to the utility model, the fireproof protection cover and the fireproof plate are combined to form the sealed space, so that the electrical element on fire can be positioned in the sealed space and can be extinguished automatically after oxygen is gradually lost, the effects of protecting other electrical elements and avoiding fire spreading are achieved, the electrical element which is not on fire is prevented from being damaged, and the loss is prevented from being expanded.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of switch board, specifically relates to a switch board with protection function. BACKGROUND

[0002] The switch board is the last stage equipment of the distribution system, and a large number of electrical elements are installed in the switch board, which are prone to high temperature overload and short circuit, causing fire in the switch board.

[0003] The prior art mostly transports water or dry powder extinguishing agent into the switch board, and uses the water or dry powder extinguishing agent to extinguish the electrical element on fire, but the water or dry powder extinguishing agent transported into the switch board not only acts on the electrical element on fire, but also acts on other electrical elements not on fire, causing damage to other electrical elements not on fire and expanding the loss.

[0004] Therefore, the switch board with protection function is provided. SUMMARY

[0005] The utility model provides a switch board with protection function, and aims at solving the above problems.

[0006] The utility model discloses a switch board with protection function, including the switch board body, the electrical element protection structure of being located in the inner side wall of the switch board body, the electrical element protection structure includes: the fireproof protection cover being located in the inside of the switch board body, the cover being fixed through screw on the one side end of the fireproof protection cover, the step motor being fixed through bolt on the outer wall of the cover away from the fireproof protection cover side, the fireproof board being fixed on the output end of the step motor, the outer arc part being located at the top and bottom of the fireproof board, the inner arc part being located at the top and bottom of the inside of the fireproof protection cover, the mounting convex strip being integrally formed on the one side outer wall of the fireproof board, the threaded hole being opened on the one side outer wall of the mounting convex strip away from the fireproof board, the smoke sensor being fixed on the top of the fireproof protection cover, the butt joint block being fixed symmetrically on the top and bottom of the fireproof protection cover, the cabinet door being hinged on the one side outer wall of the switch board body.

[0007] Further, the electrical element protection structure further includes: the terminal post fixed on the bottom of the fireproof protection cover, the terminal hole one through the opening in the bottom of the terminal post and the bottom of the fireproof board, the two terminal hole one intercommunication, the terminal hole two opening on the one side outer wall of the fireproof board, the cutting edge being located in the inner side wall of the terminal hole one of the bottom of the fireproof board.

[0008] Further, the outer arc part and the inner arc part are matched and fitted, and the cross sections of the outer arc part and the inner arc part are both arc-shaped, and the centers of the outer arc part, the inner arc part and the output shaft of the stepping motor are all on the same horizontal axis.

[0009] By adopting the above technical scheme, the gap between the outer arc part and the inner arc part can be minimized through the matched and fitted outer arc part and inner arc part, thereby ensuring the sealing performance of the combination of the fireproof plate and the fireproof protective cover, and the effect of extinguishing fire is achieved by isolating air.

[0010] Further, the fireproof plate and the fireproof protective cover are rotationally connected.

[0011] By adopting the above technical scheme, the stability of the rotation of the fireproof plate is ensured through the rotational connection.

[0012] Further, the butt joint block and the power distribution cabinet body are fixedly connected through screws.

[0013] By adopting the above technical scheme, the installation and fixation of the electrical component protection structure are facilitated.

[0014] Further, the wiring through hole two and the wiring through hole one on the fireproof plate are in communication.

[0015] By adopting the above technical scheme, it can be ensured that the wire harness passes through the wiring through hole one and then passes out from the wiring through hole two, thereby facilitating the connection of the wire harness and the electrical components installed on the fireproof plate.

[0016] The beneficial effects of the utility model are as follows:

[0017] The utility model discloses a sealed space formed by the combination of the fireproof protective cover and the fireproof plate, which can make the electrical component on fire gradually lose oxygen in the sealed space and then self-extinguish, thereby playing the role of protecting other electrical components and avoiding the spread of fire, avoiding the damage of the electrical component not on fire and the expansion of loss, and through the cutting of the wire harness between the outer arc part and the inner arc part by the cutting edge during the overturning of the fireproof plate, the electrical component on fire and the cut wire harness are both located in the interior of the fireproof protective cover, the fireproof plate after overturning blocks the wiring through hole one, the sealed space is used for extinguishing the electrical component on fire, and the spread of fire through the wire harness is also avoided, thereby ensuring sufficient extinguishing.

[0018] Other features and advantages of the utility model will be set forth in the subsequent description, and partially become obvious from the description, or be understood through the implementation of the utility model. The purpose and other advantages of the utility model can be realized and obtained through the structure specially pointed out in the description and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are used to provide further understanding of the present application and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0020] Figure 1 A structure schematic view of the present application;

[0021] Figure 2 A structure schematic view of the electrical element protection structure of the present application;

[0022] Figure 3 A partial structure schematic view of the fireproof plate of the present application;

[0023] Figure 4 An enlarged view of A in the embodiment of the present application; Figure 2

[0024] An enlarged view of B in the embodiment of the present application; Figure 5 Figure 2

[0025] Reference signs: 1, power distribution cabinet body; 2, electrical element protection structure; 21, fireproof protection cover; 22, cover; 23, stepping motor; 24, fireproof plate; 25, outer arc part; 26, inner arc part; 27, mounting convex strip; 28, threaded hole; 29, smoke sensor; 210, wiring post; 211, wiring through hole one; 212, wiring through hole two; 213, blade surface; 3, butt joint block; 4, cabinet door. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme of the present application will be described clearly and completely in the following with reference to the drawings of the embodiments of the present application. The same reference signs in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Refer to Figures 1-4 ​​The utility model discloses an electrical equipment protection structure and power distribution cabinet, the utility model discloses a power distribution cabinet body 1 is provided with the fire protection cover 21 among electrical element protection structure 2 in its inside, the fire protection cover 21 is fixedly connected with the cover 22 through screw on one side outer wall, the cover 22 is fixedly connected with the step motor 23 through bolt on the outer wall of one side away from the fire protection cover 21, the step motor 23 is fixedly connected with the fireproof plate 24 through its one side output, the fireproof plate 24 is rotatably connected with the fire protection cover 21, and the rotatable connection guarantees the stability of fireproof plate 24 rotation, the top and bottom of fireproof plate 24 are provided with outer arc part 25, the inside top and inside bottom of fire protection cover 21 are provided with inner arc part 26, and outer arc part 25 and inner arc part 26 match and fit, and the cross section of outer arc part 25 and inner arc part 26 is all arc shape, through the matching and fitting of outer arc part 25 and inner arc part 26, the clearance between outer arc part 25 and inner arc part 26 can be reduced to the minimum, and then the sealing property after the combination of fireproof plate 24 and fire protection cover 21 is guaranteed, reaches the effect of extinguishing by using the isolation of air, the center of outer arc part 25, the center of inner arc part 26 and the center of step motor 23 output shaft are all on the same horizontal axis, can guarantee that outer arc part 25 axial movement does not generate the interference with inner arc part 26, and guarantees the matching and fitting degree, one side outer wall of fireproof plate 24 is provided with the mounting convex strip 27 symmetrically, is set up with the threaded hole 28 on one side outer wall away from fireproof plate 24 on the mounting convex strip 27, the top of fire protection cover 21 is provided with smoke sensor 29, the inside of power distribution cabinet body 1 is provided with PLC controller, and smoke sensor 29 and step motor 23 all are electrically connected with PLC controller, and the top and bottom of fire protection cover 21 are provided with docking block 3, and docking block 3 and power distribution cabinet body 1 are fixedly connected through screw, and the installation and fixation of electrical element protection structure 2 are convenient, and one side outer wall of power distribution cabinet body 1 is hinged with cabinet door 4;

[0028] The utility model discloses an electrical equipment protection structure and power distribution cabinet, the utility model discloses a power distribution cabinet body 1 is provided with the fire protection cover 21 among electrical element protection structure 2 in its inside, the fire protection cover 21 is fixedly connected with the cover 22 through screw on one side outer wall, the cover 22 is fixedly connected with the step motor 23 through bolt on the outer wall of one side away from the fire protection cover 21, the step motor 23 is fixedly connected with the fireproof plate 24 through its one side output, the fireproof plate 24 is rotatably connected with the fire protection cover 21, and the rotatable connection guarantees the stability of fireproof plate 24 rotation, the top and bottom of fireproof plate 24 are provided with outer arc part 25, the inside top and inside bottom of fire protection cover 21 are provided with inner arc part 26, and outer arc part 25 and inner arc part 26 match and fit, and the cross section of outer arc part 25 and inner arc part 26 is all arc shape, through the matching and fitting of outer arc part 25 and inner arc part 26, the clearance between outer arc part 25 and inner arc part 26 can be reduced to the minimum, and then the sealing property after the combination of fireproof plate 24 and fire protection cover 21 is guaranteed, reaches the effect of extinguishing by using the isolation of air, the center of outer arc part 25, the center of inner arc part 26 and the center of step motor 23 output shaft are all on the same horizontal axis, can guarantee that outer arc part 25 axial movement does not generate the interference with inner arc part 26, and guarantees the matching and fitting degree, one side outer wall of fireproof plate 24 is provided with the mounting convex strip 27 symmetrically, is set up with the threaded hole 28 on one side outer wall away from fireproof plate 24 on the mounting convex strip 27, the top of fire protection cover 21 is provided with smoke sensor 29, the inside of power distribution cabinet body 1 is provided with PLC controller, and smoke sensor 29 and step motor 23 all are electrically connected with PLC controller, and the top and bottom of fire protection cover 21 are provided with docking block 3, and docking block 3 and power distribution cabinet body 1 are fixedly connected through screw, and the installation and fixation of electrical element protection structure 2 are convenient, and one side outer wall of power distribution cabinet body 1 is hinged with cabinet door 4;

[0029] Further preferably, as shown in Figure 2 , Figure 3 and Figure 5 , the bottom of the fireproof protective cover 21 is provided with a terminal post 210, the bottom of the terminal post 210 and the bottom of the fireproof plate 24 are both provided with a terminal hole one 211, the two terminal hole ones 211 are connected, a terminal hole two 212 is provided on the side outer wall of the fireproof plate 24 close to the two installation convex strips 27, the terminal hole two 212 and the terminal hole one 211 on the fireproof plate 24 are connected, which can ensure that the wire harness passes through the terminal hole one 211 and then passes out from the terminal hole two 212, thereby facilitating the connection of the wire harness and the electrical element installed on the fireproof plate 24, and the inner side of the terminal hole one 211 at the bottom of the fireproof plate 24 is provided with an edge surface 213;

[0030] The implementation mode is specifically: when the electrical element is installed, the wire harness for connecting the electrical element is sequentially passed through the terminal post 210, the terminal hole one 211 and the terminal hole two 212, one end of the wire harness passes out to one side of the fireproof plate 24, at this time, the wire harness is connected with the electrical element installed on the fireproof plate 24, when the fireproof plate 24 is rotated by 180 degrees, under the cutting action of the edge surface 213, the wire harness between the outer arc part 25 and the inner arc part 26 is cut off, at this time, the electrical element on fire and the cut-off wire harness are both located in the interior of the fireproof protective cover 21, the fireproof plate 24 after turning over blocks the terminal hole one 211, the sealing property is used to extinguish the electrical element on fire, and the spread of the fire through the wire harness is also avoided, and the sufficiency of extinguishing the fire is ensured.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed for protection. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A power distribution cabinet with protection function, characterized in that: it comprises a power distribution cabinet body (1); an electrical element protection structure (2) is arranged on the inner side wall of the power distribution cabinet body (1); the electrical element protection structure (2) comprises: a fireproof protection cover (21) arranged inside the power distribution cabinet body (1); a cover (22) fixed on one side of the fireproof protection cover (21) by screws; a stepping motor (23) fixed on the outer wall of the cover (22) away from the fireproof protection cover (21) by bolts; a fireproof plate (24) fixed on the output end of the stepping motor (23); outer arc parts (25) arranged on the top and bottom of the fireproof plate (24); inner arc parts (26) arranged on the inner top and inner bottom of the fireproof protection cover (21); a mounting protrusion (27) integrally formed on one side of the outer wall of the fireproof plate (24); threaded holes (28) opened on one side of the outer wall of the mounting protrusion (27) away from the fireproof plate (24); a smoke sensor (29) fixed on the top of the fireproof protection cover (21); butt blocks (3) symmetrically fixed on the top and bottom of the fireproof protection cover (21); a cabinet door (4) hingedly connected to one side of the outer wall of the power distribution cabinet body (1).

2. The switchgear with protection function according to claim 1, characterized in that: The electrical element protection structure (2) further comprises: a terminal post (210) fixed on the bottom of the fireproof protection cover (21); terminal wire holes (211) opened through the bottom of the terminal post (210) and the bottom of the fireproof plate (24), and the two terminal wire holes (211) are connected in communication; terminal wire holes (212) opened on one side of the outer wall of the fireproof plate (24); a cutting surface (213) arranged on the inner side wall of the terminal wire hole (211) at the bottom of the fireproof plate (24).

3. The switchgear with protection function according to claim 1, characterized in that: The outer arc part (25) and the inner arc part (26) are matched and fitted, and the cross sections of the outer arc part (25) and the inner arc part (26) are both arc-shaped, and the centers of the outer arc part (25) and the inner arc part (26) and the output shaft of the stepping motor (23) are all on the same horizontal axis.

4. The switchgear with protection function according to claim 1, characterized in that: The fireproof plate (24) and the fireproof protection cover (21) are rotationally connected.

5. The switchgear with protection function according to claim 1, characterized in that: The butt blocks (3) and the power distribution cabinet body (1) are fixedly connected by screws.

6. The switchgear with protection function according to claim 2, characterized in that: The terminal wire holes (212) and the terminal wire holes (211) on the fireproof plate (24) are connected in communication.

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