CN211434843U - Fireproof structure of rail transit bidirectional converter - Google Patents
Fireproof structure of rail transit bidirectional converter Download PDFInfo
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- CN211434843U CN211434843U CN201921345346.XU CN201921345346U CN211434843U CN 211434843 U CN211434843 U CN 211434843U CN 201921345346 U CN201921345346 U CN 201921345346U CN 211434843 U CN211434843 U CN 211434843U
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Abstract
The utility model discloses a track traffic bidirectional converter's fire resistive construction relates to bidirectional converter technical field. The utility model discloses a cabinet body, the fire prevention chamber has been seted up to cabinet internal portion top, and the fan end of giving vent to anger is linked together through a first trachea and drive chamber side, and the fixed intercommunication in drive chamber another side has the second trachea, and second trachea one end runs through fire prevention chamber bottom and fixed intercommunication has the fan cover that expands, lead screw week side and dry powder fire extinguishing agent case threaded connection, and the equal fixed intercommunication of the relative both sides wall of dry powder fire extinguishing agent case has the connecting pipe, and the connecting pipe port level is seted up flutedly, and the connecting pipe port bonds and has sealing film. The utility model discloses a fan, first trachea, second trachea, dry powder extinguishing agent case, lead screw, connecting pipe, recess and blade's design can reduce the temperature of the internal portion of cabinet, avoids the internal portion of cabinet to take place the fire incident, can make the dry powder extinguishing agent again from the descending of the cabinet body top cover on the fire source, avoids the conflagration further to stretch.
Description
Technical Field
The utility model belongs to the technical field of bidirectional converter, especially, relate to a track traffic bidirectional converter's fire resistive construction.
Background
Compared with other traffic modes, the urban rail transit has the characteristics of safety, comfort, rapidness, large transportation volume, energy conservation, environmental protection and the like. However, with the enlargement of the road network scale and the sharp increase of passenger capacity, the total energy consumption of urban rail transit is also greatly increased, and the serious problem of train braking energy waste is increasingly concerned. In order to solve the problem of absorption and utilization of locomotive brake power, the bidirectional converter becomes a technical development direction due to the fact that the bidirectional converter has rectification and inversion functions.
The electric elements in the cabinet body of the existing bidirectional converter can generate more heat after long-time working, so that the electric elements and the wires are easy to age, and accidents such as fire disasters and the like are caused by circuit short circuit.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a track traffic bidirectional converter's fire resistive construction, through the design of fan, first trachea, second trachea, dry powder fire extinguishing agent case, lead screw, connecting pipe, recess and blade, the long-time work of the electric elements who has solved the internal portion of current bidirectional converter cabinet can produce more heat, leads to the ageing of electric elements and wire easily to cause the problem of accidents such as conflagration that the circuit short circuit causes.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a fire-proof structure of a rail transit bidirectional converter, which comprises a cabinet body;
a fire-proof cavity is formed above the inner part of the cabinet body, a driving cavity is formed in the inner part of the fire-proof cavity, a fan is fixedly mounted at the bottom of the fire-proof cavity, the air outlet end of the fan is communicated with one side surface of the driving cavity through a first air pipe, the other side surface of the driving cavity is fixedly communicated with a second air pipe, one end of the second air pipe penetrates through the bottom of the fire-proof cavity and is fixedly communicated with an air expanding cover, a dry powder extinguishing agent box is connected between the upper surface and the lower surface of the driving cavity in a sliding manner through a pulley, a motor is fixedly mounted on one side wall of the driving cavity, one end of an output shaft of the motor is fixedly connected with a lead screw, one end of the lead screw penetrates through the dry powder;
the dry powder extinguishing agent box is characterized in that connecting pipes are fixedly communicated with two opposite side walls of the dry powder extinguishing agent box, a groove is formed in the port of each connecting pipe in the horizontal direction, blades are welded to the port of the first air pipe inside the driving cavity and the port of the second air pipe inside the driving cavity in the horizontal direction, the ports of the first air pipe and the second air pipe are matched with the ports of the connecting pipes, one side face of each blade is matched with the inner wall of the groove, and a sealing film is bonded to the port of each connecting pipe.
Further, the air inlet end of the fan is fixedly communicated with an air inlet pipe, one end of the air inlet pipe penetrates through one side face of the cabinet body, and heat dissipation holes are formed in the two opposite side faces of the cabinet body.
Furthermore, a smoke alarm is fixedly installed at the bottom outside the fire-proof cavity and is located on one side of the air expanding cover.
Furthermore, a sealing door is rotatably connected to one side surface of the fire-proof cavity, and a buzzer is fixedly mounted on the other side surface of the cabinet body.
The utility model discloses following beneficial effect has: the utility model discloses a fan, first trachea, second trachea, dry powder extinguishing agent case, lead screw, connecting pipe, recess and blade design, the fan pumps outside air to the drive intracavity through first trachea, makes the air in the drive intracavity flow into the internal portion of cabinet through second trachea, fan cover to make the hot-air of the internal portion of cabinet discharge through the louvre, reduces the temperature of the internal portion of cabinet, avoids the internal portion of cabinet temperature higher and takes place the fire incident; when the internal proruption conflagration of cabinet, smoke alarm detects fire information, then the motor passes through the lead screw and drives dry powder extinguishing agent case horizontal migration, make the connecting pipe of dry powder extinguishing agent case both sides correspond respectively with first trachea port and second trachea port cooperation, the blade of first trachea port and the blade of second trachea port correspond respectively with the recess cooperation of two connecting pipe ports simultaneously, thereby make the blade level cut the sealing film of connecting pipe port, then the fan passes through first trachea, the second trachea blows the dry powder extinguishing agent in the dry powder extinguishing agent case to the cabinet is internal, make the dry powder extinguishing agent descend from cabinet body top and cover on the fire disaster, avoid the conflagration further to spread.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a fire protection structure of a rail transit bidirectional converter;
FIG. 2 is a front view of the structure of FIG. 1;
FIG. 3 is a schematic view of the rear view of FIG. 1;
fig. 4 is a schematic structural view of the interior of the cabinet body;
FIG. 5 is a schematic view of the interior of the fire-guarded chamber;
FIG. 6 is a schematic view of the interior of the drive chamber;
FIG. 7 is a schematic view of the structure of FIG. 6;
in the drawings, the components represented by the respective reference numerals are listed below:
1-cabinet body, 101-fire-proof cavity, 102-driving cavity, 103-fan, 104-first air pipe, 105-second air pipe, 106-air diffuser, 107-dry powder extinguishing agent box, 108-motor, 109-screw rod, 110-connecting pipe, 111-groove, 112-blade, 113-air inlet pipe, 114-heat dissipation hole, 115-smoke alarm, 116-sealing door, 117-buzzer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention relates to a fire-proof structure of a two-way converter for rail transit, which comprises a cabinet body 1; a fire-proof cavity 101 is formed above the inner part of the cabinet body 1, a driving cavity 102 is formed in the fire-proof cavity 101, a fan 103 is fixedly installed at the bottom of the fire-proof cavity 101, the air outlet end of the fan 103 is communicated with one side surface of the driving cavity 102 through a first air pipe 104, the other side surface of the driving cavity 102 is fixedly communicated with a second air pipe 105, one end of the second air pipe 105 penetrates through the bottom of the fire-proof cavity 101 and is fixedly communicated with an air expanding cover 106, a dry powder extinguishing agent box 107 is connected between the upper surface and the lower surface of the driving cavity 102 in a sliding mode through a pulley, a motor 108 is fixedly installed on one side wall of the driving cavity 102, one end of an output shaft of the motor 108 is fixedly connected with a lead screw 109, one end of the lead screw 109 penetrates;
the connecting pipes 110 are fixedly communicated with two opposite side walls of the dry powder extinguishing agent box 107, a groove 111 is horizontally formed in the port of each connecting pipe 110, a blade 112 is horizontally welded to the port of the first air pipe 104 inside the driving cavity 102 and the port of the second air pipe 105 inside the driving cavity 102, the ports of the first air pipe 104 and the second air pipe 105 are matched with the port of each connecting pipe 110, one side surface of each blade 112 is matched with the inner wall of the corresponding groove 111, a sealing film is bonded to the port of each connecting pipe 110, and the dry powder extinguishing agent in the dry powder extinguishing agent box 107 is prevented from being affected with damp and losing efficacy.
As shown in fig. 3-4, an air inlet pipe 113 is fixedly communicated with an air inlet end of the fan 103, one end of the air inlet pipe 113 penetrates through one side surface of the cabinet 1, and heat dissipation holes 114 are formed in two opposite side surfaces of the cabinet 1.
As shown in fig. 4, a smoke alarm 115 is fixedly installed at the outer bottom of the fire-proof cavity 101, the smoke alarm 115 is a smoke alarm of the existing model OWY-GD-868, and the smoke alarm 115 is located on one side of the air diffuser 106.
As shown in fig. 2-3, a sealing door 116 is rotatably connected to one side surface of the fire-proof chamber 101, so that the blower 103 and the motor 108 can be maintained conveniently, and the dry powder extinguishing agent box 107 can be taken out conveniently to add the dry powder extinguishing agent, a buzzer 117 is fixedly installed on the other side surface of the cabinet body 1, and the buzzer 117 is a buzzer of the existing model BFM 8030.
Wherein, cabinet body 1 a lateral wall fixed mounting current PLC controller, fan 103, motor 108, smoke alarm 115, bee calling organ 117 all pass through wire and PLC controller electric connection, and all powers consumption all are external power source provides.
The working principle of the embodiment is as follows: when the air conditioner is used, the PLC controls the fan 103 to pump outside air into the driving cavity 102 through the first air pipe 104, so that air in the driving cavity 102 flows into the cabinet body 1 through the second air pipe 105 and the air diffuser 106, hot air in the cabinet body 1 is discharged through the heat dissipation holes 114, the temperature in the cabinet body 1 is reduced, and fire accidents caused by high temperature in the cabinet body 1 are avoided; when a fire accident occurs inside the cabinet body 1, the smoke alarm 115 detects fire information and transmits the fire information to the PLC controller, then the PLC controller controls the motor 108 to drive the dry powder extinguishing agent tank 107 to horizontally move for a specified distance through the screw 109 by a set program, so that the connecting pipes 110 on both sides of the dry powder extinguishing agent tank 107 are respectively matched with the ports of the first air pipe 104 and the second air pipe 105, and simultaneously the blade 112 of the port of the first air pipe 104 and the blade 112 of the port of the second air pipe 105 are respectively matched with the grooves 111 of the ports of the two connecting pipes 110, so that the blade 112 horizontally cuts the sealing film of the port of the connecting pipe 110, and then the fan 103 blows the dry powder extinguishing agent in the dry powder extinguishing agent tank 107 into the cabinet body 1 through the first air pipe 104 and the second air pipe 105, so that the dry powder extinguishing agent falls from the upper side of the cabinet body 1 to cover a fire source, thereby preventing the fire from further spreading, meanwhile, the PLC controls the buzzer 117 to sound an alarm to remind the staff of coming to extinguish the fire.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A fireproof structure of a rail transit bidirectional converter comprises a cabinet body (1); the method is characterized in that:
the cabinet body (1) is provided with a fireproof cavity (101) above the inside, a driving cavity (102) is arranged in the fireproof cavity (101), a fan (103) is fixedly arranged at the bottom of the fireproof cavity (101), the air outlet end of the fan (103) is communicated with one side of the driving cavity (102) through a first air pipe (104), a second air pipe (105) is fixedly communicated with the other side of the driving cavity (102), one end of the second air pipe (105) penetrates through the bottom of the fireproof cavity (101) and is fixedly communicated with an air expanding cover (106), a dry powder extinguishing agent box (107) is connected between the upper surface and the lower surface of the driving cavity (102) through a pulley in a sliding manner, a motor (108) is fixedly arranged on one side wall of the driving cavity (102), one end of an output shaft of the motor (108) is fixedly connected with a screw rod (109), one end of the screw rod (109) penetrates through the dry powder extinguishing agent box (107) and is rotatably, the peripheral side surface of the screw rod (109) is in threaded connection with a dry powder extinguishing agent box (107);
the dry powder extinguishing agent box (107) is fixed with connecting pipe (110) to both sides wall all, connecting pipe (110) port level is seted up fluted (111), first trachea (104) are located the equal horizontal welding of port inside drive chamber (102) and the port that second trachea (105) are located drive chamber (102), first trachea (104) port and second trachea (105) port all with connecting pipe (110) port cooperation, blade (112) a side and recess (111) inner wall cooperation, connecting pipe (110) port bonds and has sealing film.
2. The fire prevention structure of the track traffic bidirectional converter according to claim 1, wherein an air inlet pipe (113) is fixedly communicated with an air inlet end of the fan (103), one end of the air inlet pipe (113) penetrates through one side face of the cabinet body (1), and heat dissipation holes (114) are formed in two opposite side faces of the cabinet body (1).
3. The fire protection structure of the track traffic bidirectional converter as claimed in claim 1, wherein a smoke alarm (115) is fixedly installed at the outer bottom of the fire protection cavity (101), and the smoke alarm (115) is located at one side of the air diffuser (106).
4. The fire prevention structure of the track traffic bidirectional converter according to claim 1, wherein a sealing door (116) is rotatably connected to one side surface of the fire prevention cavity (101), and a buzzer (117) is fixedly mounted on the other side surface of the cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921345346.XU CN211434843U (en) | 2019-08-19 | 2019-08-19 | Fireproof structure of rail transit bidirectional converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921345346.XU CN211434843U (en) | 2019-08-19 | 2019-08-19 | Fireproof structure of rail transit bidirectional converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211434843U true CN211434843U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921345346.XU Active CN211434843U (en) | 2019-08-19 | 2019-08-19 | Fireproof structure of rail transit bidirectional converter |
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| CN (1) | CN211434843U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112985509A (en) * | 2021-03-19 | 2021-06-18 | 易秋元 | Electrical engineering fire prevention monitoring system and use method thereof |
| CN117277118A (en) * | 2023-11-23 | 2023-12-22 | 江苏日安电气有限公司 | High-low voltage switch cabinet with quick heat dissipation function |
-
2019
- 2019-08-19 CN CN201921345346.XU patent/CN211434843U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112985509A (en) * | 2021-03-19 | 2021-06-18 | 易秋元 | Electrical engineering fire prevention monitoring system and use method thereof |
| CN117277118A (en) * | 2023-11-23 | 2023-12-22 | 江苏日安电气有限公司 | High-low voltage switch cabinet with quick heat dissipation function |
| CN117277118B (en) * | 2023-11-23 | 2024-01-30 | 江苏日安电气有限公司 | High-low voltage switch cabinet with quick heat dissipation function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230220 Address after: 315100 no.3399 Ningchuan Road, Yinzhou District, Ningbo City, Zhejiang Province Patentee after: NINGBO SUBWAY INDUSTRY ENGINEERING Co.,Ltd. Patentee after: Jiangsu Chenda Electric Co.,Ltd. Address before: 315100 no.3399 Ningchuan Road, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: Ningbo Rail Transit Group Co.,Ltd. Patentee before: Jiangsu Chenda Electric Co.,Ltd. |
|
| TR01 | Transfer of patent right |