Electric power dust fire extinguishing electric power cabinet

Abstract

The invention provides an electric power dust fire extinguishing electric power cabinet, and relates to the technical field of electric power cabinets. An outward drawing part is arranged below the mounting part; a spraying and extinguishing part is arranged in the mounting part; the butt joint bottom block is inserted into the bottom of the cabinet body, and the inward extending insertion block is inserted into the insertion low hole, so that the butt joint bottom block is conveniently connected with the internal space of the cabinet body, smoke and oxygen in the cabinet body are discharged when a butt joint suction head generates suction force, and increase of fire behavior is inhibited along with reduction of the internal oxygen; according to the electric power cabinet, the internal fire extinguishing condition is not convenient to determine due to the fact that more smoke is easily generated in the traditional electric power cabinet when sparks occur in the use process of the traditional electric power cabinet, and the problem that maintenance personnel are easily damaged due to the fact that the smoke is easily rushed outwards in the process of opening the cabinet door for verification is solved.

Description

Technical Field

[0001] The invention relates to the technical field of power cabinets, and in particular to an electric dust fire extinguishing power cabinet. Background Art

[0002] In the electric power industry, the power cabinet is one of the indispensable equipment, so that all electrical equipment can be placed in a centralized manner by using the power cabinet, thereby further facilitating the control of electricity. However, electrical equipment is usually installed in the power cabinet, which makes it easy for sparks to occur inside when a fault occurs. In order to facilitate the use of the power cabinet, a dust fire extinguishing power cabinet is needed.

[0003] As for the current traditional power cabinet, when it is used, when sparks occur, a lot of smoke is likely to be generated inside, making it inconvenient to determine the internal fire extinguishing status, and the smoke is likely to rush out during the process of opening the cabinet door to verify, which can easily cause injuries to maintenance personnel. At the same time, the fire extinguishing structure inside the power cabinet is mostly fixed on the inner wall of the power cabinet, resulting in only one-way spraying during the process of extinguishing the fire of the electrical appliance, making it difficult to quickly extinguish the fire when it is in a relative position. Summary of the invention

[0004] The disclosed embodiment relates to an electric dust fire extinguishing power cabinet, which has an external extraction part and a spraying part. By inserting a docking bottom block at the bottom of the cabinet and inserting an inner extension plug-in block into the inside of a low plug-in hole, the docking bottom block is conveniently connected to the internal space of the cabinet, so that the docking suction head can discharge smoke and oxygen inside the cabinet when suction is generated, and suppress the increase of fire as the internal oxygen decreases to avoid injuries to the staff. By fixing the mounting plate on the inner shielding frame, the internal gas can be blocked to facilitate the control of the fire extinguishing material sprayed outward, and to facilitate the direct spraying of the fire extinguishing material onto the electrical equipment to achieve an effective fire extinguishing effect.

[0005] In a first aspect of the present disclosure, there is provided an electric dust fire extinguishing power cabinet, which specifically comprises: a mounting portion; the mounting portion comprises a cabinet body, a docking plug-in frame and a lifting shield; the lifting shield is arranged as a U-shaped structure, a rectangular through hole is arranged on the lifting shield, a rectangular groove is opened on the lifting shield, and two groups of lifting shields are arranged, and the two groups of lifting shields are respectively slidably connected in the rectangular through holes of the cabinet body; an external drawer is arranged below the mounting portion, and the external drawer comprises a docking bottom block, an inner extension plug-in block and a synchronous frame; a docking plug-in frame is inserted on the docking bottom block, the inner extension plug-in block is inserted inside the plug-in bottom hole, and the synchronous frame is fixed to the lifting shield by screws The bottom of the board; the docking bottom block is arranged as a rectangular structure, the outer wall of the docking bottom block is provided with a U-shaped protrusion, the interior of the docking bottom block is a cavity structure, an electric telescopic rod is arranged in the middle position of the interior of the docking bottom block, a threaded through hole is arranged on the rear side of the docking bottom block, and a rectangular through hole is arranged at the bottom of the docking bottom block; a spray extinguishing part is arranged inside the mounting part, and the spray extinguishing part includes an inner shield frame and an outer joint; the inner shield frame is fixed to the inner wall of the cabinet by screws, and the outer joint is inserted into the inner wall of the cabinet; the inner shield frame is arranged as a rectangular structure, the inner shield frame is provided with a square plate-like groove, and the square plate-like groove of the inner shield frame is connected with two groups of rectangular through holes.

[0006] At least in some embodiments, the mounting portion further includes a plug-in bottom hole; the cabinet body is arranged as a rectangular structure, a rectangular groove is arranged on the front side of the cabinet body, a circular plug-in hole is connected to the top of the rectangular groove of the cabinet body, an axial hole is connected to the rear side of the cabinet body, heat dissipation holes are arranged on the outer wall of the cabinet body, and the heat dissipation holes of the cabinet body are connected to rectangular through holes; the plug-in bottom holes are arranged as rectangular through holes, and two groups of plug-in bottom holes are arranged in total, and the two groups of plug-in bottom holes are respectively opened at the bottom of the cabinet body.

[0007] At least in some embodiments, the mounting portion further includes a wiring harness block; the docking bracket is configured as a U-shaped structure, a rectangular protrusion is provided on the outer wall of the docking bracket, and two groups of docking brackets are provided, and the two groups of docking brackets are respectively fixed to the bottom of the cabinet; the wiring harness block is configured as a cylindrical structure, a rectangular notch is provided on the wiring harness block, and the wiring harness block is inserted into the circular socket of the cabinet.

[0008] At least in some embodiments, the installation part also includes a monitor and a cabinet door; the monitor is fixed to the top of the inner wall of the cabinet; the cabinet door is configured as a square plate structure, a control button is provided on the cabinet door, and the cabinet door is rotatably connected to the front side of the cabinet.

[0009] At least in some embodiments, the external pull-out part also includes a docking suction head; the inner extending block is configured as a rectangular block structure, a ventilation hole is provided on the inner extending block, two groups of inner extending blocks are provided, and the two groups of inner extending blocks are respectively fixed on the top of the docking bottom block; the docking suction head is configured as a joint structure, a thread is provided on the outer wall of the docking suction head, the interior of the docking suction head is a cavity structure, and the docking suction head is threadedly connected to the threaded through hole of the docking bottom block.

[0010] At least in some embodiments, the external pull-out part also includes a lower belt plate and a reset block; the lower belt plate is configured as a square plate structure, two groups of rectangular protrusions are provided on the outer wall of the lower belt plate, and the lower belt plate is fixedly connected to the electric telescopic rod of the docking bottom block; the reset block is configured as a rectangular structure, rectangular blocks are respectively provided at the lower two ends of the reset block, two groups of rectangular grooves are opened on the rectangular block below the reset block, a spring is provided on the reset block, and there are two groups of reset blocks in total, the two groups of reset blocks are respectively slidably connected to the inside of the docking bottom block, and the two groups of reset blocks are respectively fixed to the two groups of rectangular protrusions of the lower belt plate by screws.

[0011] At least in some embodiments, the synchronization frame is configured as a U-shaped structure, a rectangular protrusion is provided on the synchronization frame, and two groups of synchronization frames are provided, and the two groups of synchronization frames are respectively fixed to the two groups of reset blocks by screws.

[0012] At least in some embodiments, the spray extinguishing part further includes a spray plate; the spray plate is configured as a rectangular parallelepiped structure, a spray head is provided on the spray plate, and two groups of spray plates are provided, and the two groups of spray plates are inserted into the two groups of rectangular through holes of the inner frame.

[0013] At least in some embodiments, the spray extinguishing part also includes a mounting plate; the external joint is fixedly connected to the rear side of the spray plate; the mounting plate is configured as a square plate structure, a fixing through hole is opened on the mounting plate, and the mounting plate is fixed to the inner shield frame by screws.

[0014] The electric dust fire extinguishing power cabinet provided by the present invention has the following beneficial effects: The present invention is provided with a lifting shield and a docking bracket. By fixing the docking bracket at the bottom of the cabinet, it is convenient to quickly dock with the docking bottom block for disassembly. By slidingly connecting the lifting shield to the cabinet, it is convenient to adjust it under the action of the synchronization frame, and it is convenient to seal the cabinet to prevent internal smoke from escaping.

[0015] In addition, a reset block and a synchronization frame are provided. The reset block is slidably connected to the inside of the docking bottom block so that it can be raised and lowered under the action of the lower belt plate, thereby facilitating the adjustment of the synchronization frame and the lifting shield plate, and conveniently shielding the heat dissipation holes on the cabinet to prevent the internal smoke from escaping, so as to assist in fire extinguishing.

[0016] In addition, an internal shield frame is provided, and the mounting plate is fixed on the internal shield frame so that the fire extinguishing material sprayed out by the spray plate can be restrained through the internal groove, so that it can be directly sprayed into the interior of the electrical equipment during the external spraying process, thereby facilitating direct fire extinguishing treatment and making it easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0018] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0019] In the attached picture: Figure 1 A schematic diagram of a three-dimensional assembly structure according to an embodiment of the present invention is shown; Figure 2 A schematic diagram of a bottom-up structure of a three-dimensional assembly according to an embodiment of the present invention is shown; Figure 3 A schematic diagram showing a decomposition structure according to an embodiment of the present invention is shown; Figure 4 A schematic diagram showing an exploded bottom-up structure according to an embodiment of the present invention is shown; Figure 5 A schematic diagram showing a partial cutaway structure according to an embodiment of the present invention is shown; Figure 6 The embodiment according to the present invention is shown. Figure 5 The schematic diagram of the enlarged structure of part A is shown; Figure 7 The embodiment according to the present invention is shown. Figure 5 The schematic diagram of the enlarged structure of part B is shown; Figure 8 A schematic diagram showing an assembly structure of a mounting portion according to an embodiment of the present invention is shown; Fig. 9 A schematic diagram showing an assembly structure of an outer drawer according to an embodiment of the present invention is shown; Fig.10 A schematic diagram of an assembling structure of a spray extinguishing part according to an embodiment of the present invention is shown.

[0020] Reference numerals list 1. Installation part; 101. Cabinet; 102. Plug-in bottom hole; 103. Docking rack; 104. Lifting shield; 105. Cable harness block; 106. Monitor; 107. Cabinet door; 2. External drawer; 201. docking bottom block; 202. internal extension block; 203. docking suction head; 204. lower belt plate; 205. reset block; 206. synchronous frame; 3. Spray extinguishing part; 301. Inner shield; 302. Spray plate; 303. External joint; 304. Mounting plate. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings and examples.

[0022] Example 1: Please refer to Figures 1 to 10 The present invention proposes an electric dust fire extinguishing power cabinet, comprising: an installation part 1; the installation part 1 comprises a cabinet body 101, a docking rack 103 and a lifting shield 104; the lifting shield 104 is set as a U-shaped structure, a rectangular through hole is provided on the lifting shield 104, a rectangular groove is opened on the lifting shield 104, and there are two groups of lifting shields 104, and the two groups of lifting shields 104 are respectively slidably connected in the rectangular through holes of the cabinet body 101; the lifting shield 104 is used to act on the synchronous frame 206 The mounting portion 1 is moved downward to facilitate shielding of the heat dissipation hole, avoid the external exhaust of the smoke generated inside, and facilitate its use; an external drawer 2 is provided below the mounting portion 1, and the external drawer 2 includes a docking bottom block 201, an inner extension block 202 and a synchronous frame 206; a docking frame 103 is inserted on the docking bottom block 201, the inner extension block 202 is inserted into the inside of the plug-in bottom hole 102, and the synchronous frame 206 is fixed below the lifting shield 104 by screws; the docking bottom block 201 is set as a rectangular parallelepiped structure, A U-shaped protrusion is provided on the outer wall of the docking bottom block 201, the interior of the docking bottom block 201 is a cavity structure, an electric telescopic rod is provided in the middle position of the interior of the docking bottom block 201, a threaded through hole is provided on the rear side of the docking bottom block 201, and a rectangular through hole is provided at the bottom of the docking bottom block 201; the docking bottom block 201 is used to assist in the installation and fixation of other structures of the outer drawer 2, so as to facilitate its overall stability and make it easy to use; the interior of the installation part 1 is provided with a spraying part 3, and the spraying part 3 includes an inner shielding frame 301 and an outer Joint 303; the inner shield frame 301 is fixed to the inner wall of the cabinet 101 by screws, and the outer joint 303 is inserted into the inner wall of the cabinet 101; the inner shield frame 301 is set as a rectangular structure, and a square plate-like groove is provided on the inner shield frame 301, and the square plate-like groove of the inner shield frame 301 is connected with two groups of rectangular through holes; the inner shield frame 301 is used to assist in the installation and fixation of other structures of the extinguishing part 3, and at the same time to restrain the fire-extinguishing gas sprayed outward, so that it is convenient for the whole to be sprayed on the electrical appliance to facilitate the fire extinguishing process.

[0023] Embodiment 2: Based on Embodiment 1, Figure 7 and Figure 8As shown, the installation part 1 also includes a plug-in bottom hole 102; the cabinet 101 is set as a rectangular parallelepiped structure, the front side of the cabinet 101 is provided with a rectangular groove, the top of the rectangular groove of the cabinet 101 is connected with a circular plug hole, the rear side of the cabinet 101 is connected with an axis hole, and the outer wall of the cabinet 101 is provided with a heat dissipation hole, and the heat dissipation hole of the cabinet 101 is connected with a rectangular through hole; the cabinet 101 is used to assist in the installation and fixation of other structures of the device so that the whole remains stable and is convenient for fixing the electrical equipment so that it can be used ; The plug-in bottom hole 102 is set as a rectangular through hole, and there are two groups of plug-in bottom holes 102, which are respectively opened at the bottom of the cabinet 101; the plug-in bottom hole 102 is used to dock with the inner extension plug block 202, so as to facilitate the docking of the cabinet 101 and the docking bottom block 201, so as to facilitate its use; the installation part 1 also includes a harness block 105; the docking rack 103 is set as a U-shaped structure, and a rectangular protrusion is provided on the outer wall of the docking rack 103. The docking rack 103 is provided with two groups, two The docking brackets 103 are respectively fixed to the bottom of the cabinet 101; the docking brackets 103 are used to assist the docking of the docking bottom block 201 to facilitate its overall stability and facilitate its use; the harness block 105 is set as a cylindrical structure, and a rectangular notch is provided on the harness block 105. The harness block 105 is inserted into the circular socket of the cabinet 101; the harness block 105 is used to protect the lead wire introduced into the cabinet 101, which is convenient for its power-on treatment and convenient for its use; the installation part 1 also includes a monitoring The cabinet body 101 includes a cabinet door 107 and a monitor 106; the monitor 106 is fixed to the top of the inner wall of the cabinet body 101; the monitor 106 is used to monitor the temperature and smoke inside the cabinet body 101, so as to make real-time adjustments when sparks occur, so as to protect the internal electrical equipment; the cabinet door 107 is set as a square plate structure, and a control button is provided on the cabinet door 107, and the cabinet door 107 is rotatably connected to the front side of the cabinet body 101; the cabinet door 107 is used to protect the internal structure to facilitate its overall use.

[0024] In the embodiments of the present disclosure, Figure 6 and Fig. 9As shown, the external extraction part 2 also includes a docking suction head 203; the inner extension block 202 is set as a rectangular block structure, and a vent hole is provided on the inner extension block 202. There are two groups of inner extension blocks 202, and the two groups of inner extension blocks 202 are respectively fixed on the top of the docking bottom block 201; the inner extension block 202 is used to suck out the smoke when suction is generated inside the docking bottom block 201, so as to facilitate its overall stability; the docking suction head 203 is set as a joint structure, and a thread is provided on the outer wall of the docking suction head 203. The interior of 203 is a cavity structure, and the docking suction head 203 is threadedly connected to the threaded through hole of the docking bottom block 201; the docking suction head 203 is used to connect with the external blasting equipment to facilitate its use; the external drawer 2 also includes a lower belt plate 204 and a reset block 205; the lower belt plate 204 is set as a square plate structure, and two groups of rectangular protrusions are provided on the outer wall of the lower belt plate 204. The lower belt plate 204 is fixed to the electric telescopic rod of the docking bottom block 201; the lower belt plate 204 is used to control the reset block 205 under the drive of the electric telescopic rod. The positioning block 205 and the synchronous frame 206 are adjusted to be lifted and lowered to facilitate their use; the reset block 205 is set as a rectangular parallelepiped structure, and rectangular blocks are respectively provided at the lower two ends of the reset block 205. Two groups of rectangular grooves are opened on the rectangular block below the reset block 205. A spring is provided on the reset block 205. There are two groups of reset blocks 205 in total. The two groups of reset blocks 205 are respectively slidably connected to the inside of the docking bottom block 201, and the two groups of reset blocks 205 are respectively fixed to the two groups of rectangular protrusions of the lower belt plate 204 by screws; reset Block 205 is used to reset under the action of a spring, so as to facilitate the resetting of the synchronous frame 206 and the lower belt plate 204, and to facilitate their use; the synchronous frame 206 is set as a U-shaped structure, and a rectangular protrusion is provided on the synchronous frame 206. There are two groups of synchronous frames 206, and the two groups of synchronous frames 206 are respectively fixed on the two groups of reset blocks 205 by screws; the synchronous frame 206 is used to control the lifting and lowering adjustment of the lifting baffle 104 under the drive of the reset block 205, so as to control the closing of the heat dissipation holes of the cabinet 101.

[0025] In the embodiments of the present disclosure, Fig.10 As shown, the extinguishing part 3 also includes a spray plate 302; the spray plate 302 is set as a rectangular structure, and a nozzle is arranged on the spray plate 302. There are two groups of spray plates 302, and the two groups of spray plates 302 are inserted into the two groups of rectangular through holes of the inner frame 301; the spray plate 302 is used to connect with external jet equipment under the action of the external joint 303, so as to spray extinguishing substances into the interior; the extinguishing part 3 also includes a mounting plate 304; the external joint 303 is fixedly connected to the rear side of the spray plate 302; the external joint 303 is used to connect the spray plate 302 with external spray equipment, so that it is easy to use; the mounting plate 304 is set as a square plate structure, and a fixing through hole is opened on the mounting plate 304, and the mounting plate 304 is fixed to the inner frame 301 by screws; the mounting plate 304 is used to assist in connecting the electrical equipment, so that it can remain stable with the whole for a hundred years, and it is convenient for it to be used.

[0026] Specific usage and function of this embodiment: In the present invention, when in use, the cabinet 101 is installed at a designated position, and after the electrical circuit is connected, the cabinet door 107 is closed to maintain its overall stability, so as to facilitate the normal operation of the circuit; When a fire occurs in the cabinet, the internal temperature and smoke are monitored and processed by the monitor 106, and a trigger signal is sent to the control center after being triggered, so as to control the electric telescopic rod inside the docking bottom block 201 to adjust, so as to control the lower belt plate 204 to move downward, and pull the lifting shield plate 104 through the reset block 205 and the synchronous frame 206, so that it blocks the heat dissipation holes on the cabinet body 101 after moving downward, so that the interior of the cabinet body 101 is in a sealed state to prevent smoke from leaking out, and at the same time, the external suction equipment is driven by the external control center to cooperate with the docking suction head 203 to generate suction inside the docking bottom block 201, and the smoke and gas inside the cabinet body 101 are absorbed by the inner extension block 202, so as to reduce the internal oxygen and smoke content and prevent the internal fire from increasing; During fire extinguishing, the external spraying equipment is driven by the control center to spray the fire extinguishing material through the external connector 303, and directly spray the fire extinguishing material onto the mounting plate 304 through the spray plate 302. Under the action of the internal shield 301, the fire extinguishing material is dispersed outward so as to remain stable during the spraying process, thereby facilitating fire extinguishing inside the cabinet 101.

[0027] In this article, there are a few points to note: 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0028] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0029] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. An electric dust fire extinguishing power cabinet, comprising: The mounting portion (1) is characterized in that the mounting portion (1) comprises a cabinet body (101), a docking plug-in frame (103) and a lifting shield (104); the lifting shield (104) is arranged as a U-shaped structure, a rectangular through hole is arranged on the lifting shield (104), a rectangular groove is opened on the lifting shield (104), and two groups of lifting shields (104) are arranged, and the two groups of lifting shields (104) are respectively slidably connected in the rectangular through holes of the cabinet body (101); an external drawer (2) is arranged below the mounting portion (1), and the external drawer (2) comprises a docking bottom block (201), an inner extension plug-in block (202) and a synchronous frame (206); the docking plug-in frame (103) is inserted into the docking bottom block (201), the inner extension plug-in block (202) is inserted into the inside of the plug-in bottom hole (102), and the synchronous frame (206) is fixed to the lifting shield (104) by screws. The docking bottom block (201) is arranged as a rectangular parallelepiped structure, a U-shaped protrusion is arranged on the outer wall of the docking bottom block (201), the interior of the docking bottom block (201) is a cavity structure, an electric telescopic rod is arranged at the middle position of the interior of the docking bottom block (201), a threaded through hole is arranged on the rear side of the docking bottom block (201), and a rectangular through hole is arranged at the bottom of the docking bottom block (201); a spray extinguishing part (3) is arranged inside the mounting part (1), and the spray extinguishing part (3) comprises an inner shielding frame (301) and an outer joint (303); the inner shielding frame (301) is fixed to the inner wall of the cabinet (101) by screws, and the outer joint (303) is inserted into the inner wall of the cabinet (101); the inner shielding frame (301) is arranged as a rectangular parallelepiped structure, a square plate-shaped groove is arranged on the inner shielding frame (301), and the square plate-shaped groove of the inner shielding frame (301) is connected to two groups of rectangular through holes.

2. The electric dust fire extinguishing power cabinet according to claim 1, characterized in that: The mounting portion (1) further comprises a plug-in bottom hole (102); the cabinet (101) is arranged as a rectangular parallelepiped structure, a rectangular groove is arranged on the front side of the cabinet (101), a circular plug-in hole is connected to the top of the rectangular groove of the cabinet (101), an axial hole is connected to the rear side of the cabinet (101), a heat dissipation hole is arranged on the outer wall of the cabinet (101), and the heat dissipation hole of the cabinet (101) is connected to a rectangular through hole; the plug-in bottom hole (102) is arranged as a rectangular through hole, and two groups of the plug-in bottom holes (102) are arranged in total, and the two groups of the plug-in bottom holes (102) are respectively opened at the bottom of the cabinet (101).

3. The electric dust fire extinguishing power cabinet according to claim 1, characterized in that: The mounting portion (1) further comprises a wiring harness block (105); the docking bracket (103) is configured as a U-shaped structure, a rectangular protrusion is provided on the outer wall of the docking bracket (103), two groups of docking brackets (103) are provided, and the two groups of docking brackets (103) are respectively fixed to the bottom of the cabinet (101); the wiring harness block (105) is configured as a cylindrical structure, a rectangular notch is provided on the wiring harness block (105), and the wiring harness block (105) is inserted into a circular socket of the cabinet (101).

4. The electric dust fire extinguishing power cabinet according to claim 1, characterized in that: The installation portion (1) further comprises a monitor (106) and a cabinet door (107); the monitor (106) is fixed to the top of the inner wall of the cabinet body (101); the cabinet door (107) is configured as a square plate-shaped structure, a control button is provided on the cabinet door (107), and the cabinet door (107) is rotatably connected to the front side of the cabinet body (101).

5. The electric dust fire extinguishing power cabinet according to claim 1, characterized in that: The external drawer (2) further comprises a docking suction head (203); the inner extension block (202) is configured as a rectangular block structure, a vent hole is provided on the inner extension block (202), two groups of the inner extension blocks (202) are provided, and the two groups of the inner extension blocks (202) are respectively fixed on the top of the docking bottom block (201); the docking suction head (203) is configured as a joint structure, a thread is provided on the outer wall of the docking suction head (203), the interior of the docking suction head (203) is a cavity structure, and the docking suction head (203) is threadedly connected to the threaded through hole of the docking bottom block (201).

6. The electric dust fire extinguishing power cabinet according to claim 1, characterized in that: The external drawer (2) further comprises a lower belt plate (204) and a reset block (205); the lower belt plate (204) is configured as a square plate structure, two groups of rectangular protrusions are provided on the outer wall of the lower belt plate (204), and the lower belt plate (204) is fixedly connected to the electric telescopic rod of the docking bottom block (201); the reset block (205) is configured as a rectangular parallelepiped structure, rectangular blocks are provided at the lower ends of the reset block (205), two groups of rectangular grooves are provided on the rectangular block below the reset block (205), a spring is provided on the reset block (205), and there are two groups of reset blocks (205) in total, the two groups of reset blocks (205) are respectively slidably connected to the inside of the docking bottom block (201), and the two groups of reset blocks (205) are respectively fixed to the two groups of rectangular protrusions of the lower belt plate (204) by screws.

7. The electric dust fire extinguishing power cabinet according to claim 6, characterized in that: The synchronous frame (206) is configured as a U-shaped structure. A rectangular protrusion is provided on the synchronous frame (206). There are two groups of synchronous frames (206) in total. The two groups of synchronous frames (206) are respectively fixed to the two groups of reset blocks (205) by screws.

8. The electric dust fire extinguishing power cabinet according to claim 1, characterized in that: The spray extinguishing part (3) further comprises a spray plate (302); the spray plate (302) is arranged as a rectangular parallelepiped structure, a spray head is arranged on the spray plate (302), and two groups of spray plates (302) are arranged in total, and the two groups of spray plates (302) are inserted into two groups of rectangular through holes of the inner shielding frame (301).

9. The electric dust fire extinguishing power cabinet according to claim 8, characterized in that: The spray extinguishing part (3) further comprises a mounting plate (304); the external joint (303) is fixedly connected to the rear side of the spray plate (302); the mounting plate (304) is configured as a square plate-shaped structure, a fixing through hole is provided on the mounting plate (304), and the mounting plate (304) is fixed to the inner shielding frame (301) by means of screws.

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