PDU structure

Abstract

The utility model relates to the technical field of power distribution sockets, and discloses a PDU structure, which comprises a PDU shell, a PDU protection mechanism is arranged at the top of the PDU shell, the PDU protection mechanism comprises a hollow frame and a square cylinder, two sides of the square cylinder are fixedly connected with internal threaded pipes, the inner walls of the internal threaded pipes are in threaded connection with storage cylinders, and the storage cylinders are in threaded connection with the PDU shell. The inner wall of the storage cylinder is fixedly connected with a barrier film, and an annular partition plate is fixedly installed on the inner wall of the storage cylinder. Through the design of the electromagnetic valve, the electromagnetic valve can be controlled to be opened by means of smoke signals, compressed gas in the inner cavity of the storage barrel is promoted to be transferred to the dry powder material, the sealing sliding part is pushed to slide, and under the action of pressure, the dry powder material is promoted to crush the barrier film and is sprayed; and the dry powder material can be sprayed to the top of the whole PDU shell, so that the fire extinguishing protection function of the whole PDU shell is realized, the problem of further expansion of the loss is avoided, and the safety of the structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution sockets, and in particular to a PDU structure. Background Art

[0002] PDU refers to the power distribution socket for cabinets. PDU is a product designed to provide power distribution for electrical equipment installed in cabinets. It has a variety of series specifications with different functions, installation methods and different socket combinations, and can provide suitable rack-mounted power distribution solutions for different power supply environments. The application of PDU can make the power distribution in the cabinet more neat, reliable, safe, professional and beautiful, and make the maintenance of the power supply in the cabinet more convenient and reliable.

[0003] A Chinese patent discloses a PDU module with the publication number CN218182664U. The technical solution disclosed in the patent document is as follows: a relay assembly, wherein the relay assembly includes a plurality of first relays and a plurality of second relays, wherein both ends of each of the first relays are respectively electrically connected to an incoming positive branch copper busbar and an outgoing positive copper busbar; both ends of each of the second relays are respectively electrically connected to an incoming negative branch copper busbar and an outgoing negative copper busbar; and a plurality of the first relays and the second relays are pre-installed on a relay mounting base plate.

[0004] In order to solve the problem that the existing structure is very troublesome to install and the wiring layout is messy, the existing technology adopts the method of setting a relay installation base plate to deal with it. However, the PDU structure cannot be fire-protected. The PDU structure may catch fire due to overload and other reasons during actual use. The PDU structure contains many plastic parts. If the fire is not extinguished in time, it is very easy to cause further expansion of losses. Utility Model Content

[0005] The utility model aims to provide a PDU structure to solve the problem that the PDU structure cannot be fire-protected in the prior art.

[0006] The utility model provides the following technical solution: a PDU structure, comprising a PDU shell, wherein a PDU protection mechanism is arranged on the top of the PDU shell.

[0007] The PDU protection mechanism includes a hollow frame and a square cylinder, both sides of the square cylinder are fixedly connected with internal threaded tubes, the inner wall of the internal threaded tube is threadedly connected with a storage cylinder, the inner wall of the storage cylinder is fixedly connected with a barrier film, an annular partition is fixedly installed on the inner wall of the storage cylinder, one side of the annular partition is fixedly connected with a solenoid valve, the other side of the annular partition is movably connected with a sealing sliding part, the outer wall of the sealing sliding part is slidably connected to the inner wall of the storage cylinder, the side of the storage cylinder away from the internal threaded tube is fixedly connected with a manual valve, the inner cavity of the storage cylinder is filled with compressed gas located on one side of the annular partition, and the inner cavity of the storage cylinder is filled with dry powder material located on the other side of the annular partition. When the solenoid valve is opened, the compressed gas can push the sealing sliding part to slide, squeeze out the dry powder material, and realize the fire extinguishing function.

[0008] As a preferred embodiment of the above technical solution, the hollow frame is fixedly installed on the top of the PDU shell, a mesh strip is fixedly installed on the bottom of the hollow frame, and the top of the hollow frame is fixedly connected to the square tube. The mesh strip can make the heat dissipation air or dry powder material evenly sprayed onto the PDU shell.

[0009] As a preferred embodiment of the above technical solution, the top of the square tube is fixedly connected with a receiving pipe, the top of the receiving pipe is fixedly connected with a cylindrical fan, and the top of the cylindrical fan is fixedly connected with a mid-position tube. The cylindrical fan is controlled to work and the PDU shell can be heat-dissipated and protected.

[0010] As a preferred embodiment of the above technical solution, an inner support frame is fixedly installed on the inner wall of the center tube, a smoke sensor is fixedly installed on the top of the inner support frame, an air intake bend pipe is fixedly connected to the outer wall of the center tube, and a filter pipe is movably connected to the end of the air intake bend pipe away from the center tube. The smoke sensor can control the opening of the solenoid valve through the smoke signal to realize the function of automatic fire extinguishing.

[0011] As a preferred embodiment of the above technical solution, a total monitoring intelligent LCD is fixedly installed on the inner wall of the PDU shell, an electromagnetic switch located on the right side of the total monitoring intelligent LCD is fixedly installed on the inner wall of the PDU shell, the total monitoring intelligent LCD and the electromagnetic switch are electrically connected, a first sub-control circuit board is fixedly installed on the inner wall of the PDU shell, a first indicator light circuit board located on the right side of the first sub-control circuit board is fixedly installed on the inner wall of the PDU shell, an 8-bit IECC13 located on the right side of the first indicator light circuit board is fixedly installed on the inner wall of the PDU shell, the electromagnetic switch and the first sub-control circuit board are electrically connected, and the first sub-control circuit board and the 8-bit IECC13 are both electrically connected to the first indicator light circuit board.

[0012] As a preferred embodiment of the above technical solution, a second sub-control circuit board located on the right side of the 8-bit IECC13 is fixedly installed on the inner wall of the PDU shell, a second indicator light circuit board located on the right side of the second sub-control circuit board is fixedly installed on the inner wall of the PDU shell, a 4-bit IECC13 located on the right side of the second indicator light circuit board is fixedly installed on the inner wall of the PDU shell, and a 4-bit IECC19 is fixedly installed on the right side of the 4-bit IECC13.

[0013] As a preferred embodiment of the above technical solution, the electromagnetic switch and the second sub-control circuit board are electrically connected, the second sub-control circuit board and the second indicator light circuit board are electrically connected, and the 4-bit IECC13 and the 4-bit IECC19 are both electrically connected to the second sub-control circuit board. According to this design, the main circuit and the branch circuit can be monitored.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model uses the design of the solenoid valve to control the opening of the solenoid valve with the help of a smoke signal, so as to cause the compressed gas in the inner cavity of the storage cylinder to be transferred to the dry powder material, push the sealing sliding part to slide, and under the action of pressure, cause the dry powder material to break the barrier film and be sprayed. The dry powder material can then be sprayed to the top of the PDU shell as a whole, thereby realizing the function of fire extinguishing protection for the entire PDU shell, avoiding the problem of further expansion of losses, and improving the safety of the present structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the PDU housing of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the PDU protection mechanism of the utility model;

[0019] Figure 4 This is a schematic diagram of the decomposed structure of the PDU protection mechanism of the utility model;

[0020] Figure 5 This is a schematic diagram of the internal structure of the storage cylinder of the utility model;

[0021] Figure 6 It is a schematic diagram of the mid-position truncation structure of the mid-position tube of the utility model.

[0022] In the figure: 1. PDU shell; 11. Total monitoring intelligent LCD; 12. Electromagnetic switch; 13. First sub-control circuit board; 14. First indicator light circuit board; 15. 8-bit IECC13; 16. Second sub-control circuit board; 17. Second indicator light circuit board; 18. 4-bit IECC13; 19. 4-bit IECC19; 2. PDU protection mechanism; 21. Hollow frame; 22. Mesh strips; 23. Square cylinder; 24. Storage cylinder; 241. Internally threaded pipe; 242. Barrier film; 243. Annular partition; 244. Sealing sliding part; 245. Electromagnetic valve; 246. Manual valve; 25. Receiving pipe; 26. Cylindrical fan; 27. Middle cylinder; 271. Inner support frame; 272. Smoke sensor; 273. Inlet elbow; 274. Filter fittings. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] like Figure 1 , Figure 4 and Figure 5 As shown, the utility model provides a technical solution: a PDU structure, including a PDU shell 1, a PDU protection mechanism 2 is arranged on the top of the PDU shell 1, the PDU protection mechanism 2 includes a hollow frame 21 and a square tube 23, both sides of the square tube 23 are fixedly connected with internal threaded tubes 241, the inner wall of the internal threaded tube 241 is threadedly connected with a storage tube 24, the inner wall of the storage tube 24 is fixedly connected with a barrier film 242, an annular partition 243 is fixedly installed on the inner wall of the storage tube 24, one side of the annular partition 243 is fixedly connected with a solenoid valve 245, the other side of the annular partition 243 is movably connected with a sealing sliding member 244, the outer wall of the sealing sliding member 244 is slidably connected to the inner wall of the storage tube 24, and the storage tube 24 A manual valve 246 is fixedly connected to the side away from the internal threaded tube 241, and the inner cavity of the storage cylinder 24 is filled with compressed gas located on one side of the annular partition 243, and the inner cavity of the storage cylinder 24 is filled with dry powder material located on the other side of the annular partition 243. When in use, the solenoid valve 245 can be opened by means of a smoke signal to allow the compressed gas in the inner cavity of the storage cylinder 24 to be transferred to the dry powder material, and the air pressure can push the sealing sliding member 244 to slide, causing the dry powder material to break through the barrier film 242 and be output, and the cylindrical fan 26 will continue to work for a period of time, and the dry powder material is then sprayed to the top of the PDU shell 1 as a whole by the airflow output by the cylindrical fan 26 through the hollow frame 21, thereby extinguishing the fire of the PDU shell 1 as a whole.

[0025] As an implementation method in this embodiment, Figure 3-Figure 6As shown, the hollow frame 21 is fixedly installed on the top of the PDU housing 1, the bottom of the hollow frame 21 is fixedly installed with a mesh strip 22, the top of the hollow frame 21 is fixedly connected with a square tube 23, the top of the square tube 23 is fixedly connected with a receiving pipe 25, the top of the receiving pipe 25 is fixedly connected with a cylinder-type fan 26, the top of the cylinder-type fan 26 is fixedly connected with a middle tube 27, the inner support frame 271 is fixedly installed on the inner wall of the middle tube 27, the top of the inner support frame 271 is fixedly installed with a smoke sensor 272, the outer wall of the middle tube 27 is fixedly connected with an air intake elbow 273, the end of the air intake elbow 273 away from the middle tube 27 is movably connected with a filter pipe 274, and the control cylinder-type fan 26 is fixedly connected with an inner support frame 271. During operation, the air coarsely filtered by the filter pipe 274 can be absorbed from the bottom of the air inlet elbow 273, and then transported to the inner cavity of the receiving pipe 25. The air will then pass through the storage cylinder 24 and enter the hollow frame 21, and finally be output from the bottom of the mesh strip 22 to provide heat dissipation protection for the PDU shell 1 as a whole. During this process, the air will flow through the inner cavity of the center cylinder 27. If the PDU shell 1 catches fire, smoke will be generated. The smoke sensor 272 can monitor the smoke signal and control the solenoid valve 245 to open, thereby realizing the fire protection function. The smoke sensor 272 is connected to the solenoid valve 245 through an external controller electrical signal. The smoke sensor 272 is an existing structural model and can be selected as MQ-2, etc.

[0026] As an implementation method in this embodiment, Figure 1-Figure 2As shown, a total monitoring intelligent LCD 11 is fixedly installed on the inner wall of the PDU housing 1, an electromagnetic switch 12 is fixedly installed on the inner wall of the PDU housing 1 and is located on the right side of the total monitoring intelligent LCD 11, the total monitoring intelligent LCD 11 and the electromagnetic switch 12 are electrically connected, a first sub-control circuit board 13 is fixedly installed on the inner wall of the PDU housing 1, a first indicator circuit board 14 is fixedly installed on the inner wall of the PDU housing 1 and is located on the right side of the first sub-control circuit board 13, an 8-bit IECC1315 is fixedly installed on the inner wall of the PDU housing 1 and is located on the right side of the first indicator circuit board 14, the electromagnetic switch 12 and the first sub-control circuit board 13 are electrically connected, the first sub-control circuit board 13 and the 8-bit IECC1315 are both electrically connected to the first indicator circuit board 14, and a second sub-control circuit board 13 is fixedly installed on the inner wall of the PDU housing 1 and is located on the right side of the 8-bit IECC1315 6. A second indicator light circuit board 17 located on the right side of the second sub-control circuit board 16 is fixedly installed on the inner wall of the PDU housing 1. A 4-bit IECC1318 located on the right side of the second indicator light circuit board 17 is fixedly installed on the inner wall of the PDU housing 1. A 4-bit IECC1919 is fixedly installed on the right side of the 4-bit IECC1318. The electromagnetic switch 12 and the second sub-control circuit board 16 are electrically connected. The second sub-control circuit board 16 and the second indicator light circuit board 17 are electrically connected. The 4-bit IECC1318 and the 4-bit IECC1919 are both electrically connected to the second sub-control circuit board 16. The total monitoring intelligent LCD 11 can monitor the status of the 8-bit IECC1315, the 4-bit IECC1318 and the 4-bit IECC1919 through the first sub-control circuit board 13 and the second sub-control circuit board 16, and can monitor the main circuit and the branch circuit, which is convenient for the safe operation of this structure.

[0027] Working principle: When in use, the total monitoring intelligent LCD 11 can monitor the working status of 8-bit IECC1315, 4-bit IECC1318 and 4-bit IECC1919 through the first sub-control circuit board 13 and the second sub-control circuit board 16, monitor the main circuit and the branch circuit, control the operation of the cylinder-type fan 26, absorb air and filter it, and the air is then ejected from the bottom of the mesh strip 22 to protect the PDU housing 1 from heat dissipation. If the PDU housing 1 catches fire, smoke will be generated. The smoke sensor 272 can detect the smoke signal and control the solenoid valve 245 to open, and transport dry powder material into the storage cylinder 24. The dry powder material is then ejected from the bottom of the mesh strip 22 to protect the PDU housing 1 from fire.

[0028] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. A PDU structure, comprising a PDU housing (1), characterized in that: A PDU protection mechanism (2) is provided on the top of the PDU housing (1); The PDU protection mechanism (2) comprises a hollow frame (21) and a square tube (23), both sides of the square tube (23) are fixedly connected with internal threaded tubes (241), the inner wall of the internal threaded tube (241) is threadedly connected with a storage tube (24), the inner wall of the storage tube (24) is fixedly connected with a barrier film (242), an annular partition (243) is fixedly installed on the inner wall of the storage tube (24), and one side of the annular partition (243) is fixedly connected with a solenoid valve (245), The other side of the annular partition (243) is movably connected to a sealing sliding member (244), the outer wall of the sealing sliding member (244) is slidably connected to the inner wall of the storage cylinder (24), and the side of the storage cylinder (24) away from the internal threaded tube (241) is fixedly connected to a manual valve (246), the inner cavity of the storage cylinder (24) is filled with compressed gas located on one side of the annular partition (243), and the inner cavity of the storage cylinder (24) is filled with dry powder material located on the other side of the annular partition (243).

2. A PDU structure according to claim 1, characterized in that: The hollow frame (21) is fixedly mounted on the top of the PDU housing (1), a mesh strip (22) is fixedly mounted on the bottom of the hollow frame (21), and the square tube (23) is fixedly connected to the top of the hollow frame (21).

3. A PDU structure according to claim 2, characterized in that: The top of the square tube (23) is fixedly connected to a receiving pipe (25), the top of the receiving pipe (25) is fixedly connected to a cylinder-type fan (26), and the top of the cylinder-type fan (26) is fixedly connected to a center tube (27).

4. A PDU structure according to claim 3, characterized in that: An inner support frame (271) is fixedly mounted on the inner wall of the center tube (27), a smoke sensor (272) is fixedly mounted on the top of the inner support frame (271), an air intake elbow (273) is fixedly connected to the outer wall of the center tube (27), and a filter pipe (274) is movably inserted at one end of the air intake elbow (273) away from the center tube (27).

5. A PDU structure according to claim 1, characterized in that: A total monitoring intelligent LCD (11) is fixedly mounted on the inner wall of the PDU housing (1); an electromagnetic switch (12) is fixedly mounted on the inner wall of the PDU housing (1) and is located on the right side of the total monitoring intelligent LCD (11); the total monitoring intelligent LCD (11) and the electromagnetic switch (12) are electrically connected; a first sub-control circuit board (13) is fixedly mounted on the inner wall of the PDU housing (1); a first indicator circuit board (14) is fixedly mounted on the inner wall of the PDU housing (1) and is located on the right side of the first sub-control circuit board (13); an 8-bit IECC13 (15) is fixedly mounted on the inner wall of the PDU housing (1) and is located on the right side of the first indicator circuit board (14); the electromagnetic switch (12) and the first sub-control circuit board (13) are electrically connected; the first sub-control circuit board (13) and the 8-bit IECC13 (15) are both electrically connected to the first indicator circuit board (14).

6. A PDU structure according to claim 5, characterized in that: A second sub-control circuit board (16) is fixedly mounted on the inner wall of the PDU housing (1) and is located on the right side of the 8-bit IECC13 (15); a second indicator light circuit board (17) is fixedly mounted on the inner wall of the PDU housing (1) and is located on the right side of the second sub-control circuit board (16); a 4-bit IECC13 (18) is fixedly mounted on the inner wall of the PDU housing (1) and is located on the right side of the second indicator light circuit board (17); and a 4-bit IECC19 (19) is fixedly mounted on the right side of the 4-bit IECC13 (18).

7. A PDU structure according to claim 6, characterized in that: The electromagnetic switch (12) and the second sub-control circuit board (16) are electrically connected, the second sub-control circuit board (16) and the second indicator light circuit board (17) are electrically connected, and the 4-bit IECC13 (18) and the 4-bit IECC19 (19) are both electrically connected to the second sub-control circuit board (16).

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