CN213303223U - Heat insulation structure of rail vehicle alarm device - Google Patents
Heat insulation structure of rail vehicle alarm device Download PDFInfo
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- CN213303223U CN213303223U CN202022671968.0U CN202022671968U CN213303223U CN 213303223 U CN213303223 U CN 213303223U CN 202022671968 U CN202022671968 U CN 202022671968U CN 213303223 U CN213303223 U CN 213303223U
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Abstract
The utility model discloses a rail vehicle alarm device's thermal-insulated structure, including first card shell and second card shell, temperature sensor and telescopic cylinder all with PLC controller electric connection. The device is through first card shell, the second card shell, ceramic fiber board insulating layer and heat blocking board carry out effectual completely cut off to outside high temperature, it is efficient to insulate against heat, then avoided outside high temperature heat to get into the inside of first card shell and second card shell and cause the phenomenon that alarm device body damaged, the life of alarm device body has effectively been prolonged, when temperature sensor detects outside temperature once more normally, can send present signal to PLC controller, PLC controller restart telescopic cylinder pulling heat blocking board resets, open the radiating groove can, the flexible operation is convenient, then make alarm device's thermal-insulated protective effect and self radiating effect obtain taking into account, very big improvement the availability factor of device.
Description
Technical Field
The utility model belongs to the technical field of rail vehicle alarm device, concretely relates to rail vehicle alarm device's thermal-insulated structure.
Background
Common rail vehicles comprise subways, light rails, motor cars, high-speed rails, trams and the like, and the rapid development of urban rail transit also brings about a plurality of potential safety hazards, wherein a fire hazard is one of the potential hazards. Present fire alarm device for rail vehicle, in order to avoid alarm device to cause the damage under the high temperature environment of conflagration, generally can set up thermal-insulated casing at alarm device's external fixation, but the inconvenient flexibility of using of current thermal-insulated casing dismouting is poor, and, although thermal-insulated casing can play thermal-insulated effect, but the radiating efficiency of alarm device self has also been greatly influenced simultaneously, make the heat be difficult to discharge, the discharge is slow, then make alarm device thermal-insulated protective effect under conflagration high temperature environment, and the radiating effect under the normal use environment can not effectively be compromise, thereby greatly influence alarm device's life and availability factor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rail vehicle alarm device's thermal-insulated structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a heat insulation structure of a rail vehicle alarm device comprises a first clamping shell and a second clamping shell, wherein an alarm device body is arranged between the first clamping shell and the second clamping shell, the top of the alarm device body is fixedly provided with a telescopic cylinder, the end part of the telescopic cylinder is fixedly connected with a heat-resistant plate, the heat-resistant plate is in sliding connection with and penetrates the top of the first clamping shell, the end parts of the first clamping shell and the second clamping shell are connected through a positioning rod plug bush, the inner walls of the first clamping shell and the second clamping shell are both fixedly connected with a ceramic fiberboard heat-insulating layer, the side walls of the first clamping shell and the second clamping shell are both fixedly connected with a wire guide sleeve, fixed mounting has temperature sensor on one side of first card shell, fixed mounting has the PLC controller on the inner wall of first card shell, temperature sensor and telescopic cylinder all with PLC controller electric connection.
Preferably, both ends of the bottom in the second clamping shell are fixedly connected with partition plates, and the alarm device body is inserted and positioned between the partition plates.
This setting has effectively improved alarm device body mounting structure's stability through the baffle, avoid the alarm device body to hug closely the inner wall of second card shell and first card shell, even keep certain spacing distance between alarm device body and second card shell and the first card shell, be convenient for then guarantee the heat circulation efficiency of alarm device body, thereby be convenient for the heat dissipation of alarm device body self, be favorable to improving its radiating efficiency, and carry out quick discharge through the radiating groove, then do benefit to extension fixture's life.
Preferably, the top of the first clamping shell is provided with a heat dissipation groove, the heat dissipation groove is in sliding connection with the heat-resistant plate in a matching mode, a sealing rubber gasket is fixedly connected to the groove wall of the heat dissipation groove, and the sealing rubber gasket is tightly attached to the side wall of the heat-resistant plate.
This setting has effectively improved connection structure's steadiness between heat resisting board and the first card shell, and makes heat resisting board sliding motion stability high, even if be convenient for heat resisting board open or close the radiating groove, the operation is used nimble convenient, is convenient for guarantee the leakproofness when the radiating groove is closed through sealed cushion, has avoided outside high temperature heat to get into the inside of first card shell and second card shell and has caused the phenomenon of alarm device body damage then.
Preferably, the heat-resistant plate comprises a heat-conducting copper plate, the upper end of the heat-conducting copper plate is fixedly connected with a fireproof heat-preservation glass cotton felt plate, and the upper end of the fireproof heat-preservation glass cotton felt plate is fixedly connected with a rock wool plate flame-retardant layer.
This setting is when opening the radiating groove under the normal use condition, the heat of alarm device body is convenient for discharge through the radiating groove, and simultaneously, the heat conduction copper has effectively strengthened heat discharge efficiency, then be favorable to improving the radiating efficiency, under the conflagration condition, telescopic cylinder drives the heat blocking plate when closing the radiating groove of lapse, then, fire prevention heat preservation glass cotton felt board and the fire-retardant layer of rock wool board, the fire-retardant thermal insulation performance of heat blocking plate has effectively been strengthened, then be favorable to avoiding outside high-temperature gas to enter the inside damage phenomenon that causes of shell to the alarm device body, very big reinforcing thermal-insulated protective effect.
Preferably, the upper end and the first card shell fixed connection of locating lever, the lower extreme fixedly connected with rubber tooth piece of locating lever, the location tooth's socket has been seted up on the second card shell, location tooth's socket and rubber tooth piece looks accordant connection, equal fixedly connected with magnet piece on the corresponding terminal surface between second card shell and the first card shell, it is fixed to adsorb each other between the magnet piece.
This set up the locating lever and pass through rubber tooth piece and insert tightly to the location tooth's socket to it is fixed to make first card shell and second card shell adsorb through the magnet piece, thereby has effectively improved connection structure's between first card shell and the second card shell steadiness, and the dismouting is convenient, uses in a flexible way.
Preferably, an asbestos cloth heat insulation layer is fixedly connected to the inner wall of the wire casing.
The arrangement is convenient for enhancing the heat insulation performance of the wire sleeve and has good protection effect.
Compared with the prior art, the utility model discloses a technological effect and advantage: the heat insulation structure of the rail vehicle alarm device has the advantages that the heat dissipation groove is in an open state when the alarm device body is used in a normal state, normal heat dissipation of the alarm device body is facilitated, when a fire occurs, the alarm device body sends out an alarm state to warn workers, meanwhile, when the temperature sensor detects that the external temperature is too high, a signal is transmitted to the PLC, the PLC starts the telescopic cylinder to drive the heat resistance plate to move downwards until the heat dissipation groove is closed, at the moment, the first clamping shell, the second clamping shell, the ceramic fiber board heat insulation layer and the heat resistance plate effectively isolate the external high temperature, the heat insulation efficiency is high, the phenomenon that the alarm device body is damaged due to the fact that the external high-temperature heat enters the first clamping shell and the second clamping shell is avoided, the service life of the alarm device body is effectively prolonged, when the temperature sensor detects that the external temperature is normal again, can send out emergence signal to PLC controller promptly, PLC controller restart telescopic cylinder pulling heat-resisting board resets, open the radiating groove can, the flexible operation is convenient, makes alarm device's thermal-insulated protective effect and self radiating effect compromise then, is favorable to further extension fixture's life, very big improvement the availability factor of device.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;
fig. 3 is a schematic view of the heat-resistant plate of the present invention.
In the figure: 1. a first card housing; 101. positioning a rod; 102. a rubber tooth block; 103. a heat sink; 104. sealing the rubber gasket; 2. a second card housing; 201. positioning the tooth socket; 202. a magnet sheet; 203. a partition plate; 3. a wire guide sleeve; 301. a asbestos cloth heat insulation layer; 4. a ceramic fiber board thermal insulation layer; 5. an alarm device body; 501. a telescopic cylinder; 6. a heat resistant plate; 601. a heat-conducting copper plate; 602. fireproof heat-insulating glass wool felt boards; 603. a rock wool board flame retardant layer; 7. a PLC controller; 8. a temperature sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, a heat insulation structure of a rail vehicle alarm device comprises a first clamping shell 1 and a second clamping shell 2, wherein an alarm device body 5 is arranged between the first clamping shell 1 and the second clamping shell 2, a telescopic cylinder 501 is fixedly arranged at the top of the alarm device body 5, a heat-resistant plate 6 is fixedly connected to the end of the telescopic cylinder 501, the heat-resistant plate 6 is slidably connected to the top of the first clamping shell 1, the end of the first clamping shell 1 is connected to the end of the second clamping shell 2 through a positioning rod 101, a ceramic fiber board heat-insulating layer 4 is fixedly connected to the inner walls of the first clamping shell 1 and the second clamping shell 2, a wire sleeve 3 is fixedly connected to the side walls of the first clamping shell 1 and the second clamping shell 2, a temperature sensor 8 is fixedly arranged on one side of the first clamping shell 1, and a PLC controller 7 is fixedly arranged on the inner wall of the first clamping shell 1, and the temperature sensor 8 and the telescopic cylinder 501 are electrically connected with the PLC 7.
The two ends of the bottom in the second clamping shell 2 are fixedly connected with partition plates 203, and the alarm device body 5 is inserted and positioned between the partition plates 203; effectively improved the stability of alarm device body 5 mounting structure through baffle 203, avoid alarm device body 5 to hug closely the inner wall of second card shell 2 and first card shell 1, even make and keep certain spacing distance between alarm device body 5 and second card shell 2 and the first card shell 1, be convenient for then guarantee the heat circulation efficiency of alarm device body 5, thereby be convenient for the heat dissipation of alarm device body 5 self, be favorable to improving its radiating efficiency, and carry out quick discharge through radiating groove 103, do benefit to extension fixture's life then.
The top of the first clamping shell 1 is provided with a heat dissipation groove 103, the heat dissipation groove 103 is matched and slidably connected with the heat-resistant plate 6, the wall of the heat dissipation groove 103 is fixedly connected with a sealing rubber gasket 104, and the sealing rubber gasket 104 is tightly attached to the side wall of the heat-resistant plate 6; effectively improved the steadiness of connection structure between heat-resisting board 6 and the first card shell 1, and made heat-resisting board 6 slip motion stability high, even if be convenient for heat-resisting board 6 to open or close radiating groove 103, the operation is used nimble conveniently, is convenient for guarantee the leakproofness when radiating groove 103 closes through sealed cushion 104, has avoided outside high temperature heat to get into the inside of first card shell 1 and second card shell 2 and has caused the phenomenon that alarm device body 5 damaged then.
The heat-resistant plate 6 comprises a heat-conducting copper plate 601, the upper end of the heat-conducting copper plate 601 is fixedly connected with a fireproof heat-preservation glass-cotton felt plate 602, and the upper end of the fireproof heat-preservation glass-cotton felt plate 602 is fixedly connected with a rock-cotton plate flame-retardant layer 603; when opening the radiating groove 103 under the normal use condition, the heat of alarm device body 5 is convenient for discharge through radiating groove 103, simultaneously, heat conduction copper 601 has effectively strengthened heat discharge efficiency, then be favorable to improving the radiating efficiency, under the conflagration condition, telescopic cylinder 501 drives heat-insulating board 6 and when moving down and close radiating groove 103, at this moment, fire prevention heat preservation glass cotton felt board 602 and the fire-retardant layer 603 of rock wool board, the fire-retardant thermal insulation performance of heat-insulating board 6 has effectively been strengthened, then be favorable to avoiding outside high-temperature gas to enter the inside damage phenomenon that causes of shell to alarm device body 5, very big reinforcing thermal-insulated protective effect.
The upper end of the positioning rod 101 is fixedly connected with the first clamping shell 1, the lower end of the positioning rod 101 is fixedly connected with the rubber tooth block 102, the second clamping shell 2 is provided with a positioning tooth groove 201, the positioning tooth groove 201 is connected with the rubber tooth block 102 in a matching manner, the corresponding end surfaces between the second clamping shell 2 and the first clamping shell 1 are fixedly connected with the magnet pieces 202, and the magnet pieces 202 are mutually adsorbed and fixed; the positioning rod 101 is inserted tightly into the positioning tooth groove 201 through the rubber tooth block 102, and the first clamping shell 1 and the second clamping shell 2 are fixedly adsorbed through the magnet sheet 202, so that the stability of the connecting structure between the first clamping shell 1 and the second clamping shell 2 is effectively improved, the dismounting is convenient, and the use is flexible.
An asbestos cloth heat insulation layer 301 is fixedly connected to the inner wall of the wire casing 3; the heat insulation performance of the wire sleeve 3 is convenient to be enhanced, and the protection effect is good.
Specifically, when in use, under the normal state of the alarm device body 5, the heat dissipation groove 103 is in an open state, which is convenient for normal heat dissipation of the alarm device body 5, when a fire occurs, the alarm device body 5 sends out an alarm state to warn a worker, meanwhile, when the temperature sensor 8 detects that the external temperature is too high, a signal is transmitted to the PLC controller 7, at the moment, the PLC controller 7 starts the telescopic cylinder 501 to drive the heat-resistant plate 6 to move downwards until the sealed heat dissipation groove 103 is closed, at the moment, the external high temperature is effectively isolated through the first clamping shell 1, the second clamping shell 2, the ceramic fiber board heat-insulating layer 4 and the heat-resistant plate 6, the heat-insulating efficiency is high, the phenomenon that the alarm device body 5 is damaged due to the external high-temperature heat entering the first clamping shell 1 and the second clamping shell 2 is avoided, and the service life of the alarm device body 5 is effectively prolonged, and, first card shell 1 and second card shell 2 pass through locating lever 101, rubber tooth piece 102, the mating reaction of location tooth's socket 201 and magnet piece 202, make and make things convenient for the dismouting between it, it is nimble to use, when temperature sensor 8 detects the outside temperature once more when normal, can send out signal to PLC controller 7 now, PLC controller 7 restarts telescopic cylinder 501 pulling heat-resistant board 6 resets, open the radiating groove 103 can, the flexible operation is convenient, then make alarm device's thermal-insulated protective effect and self radiating effect obtain, be favorable to further extension fixture's life, very big improvement the availability factor of device.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a rail vehicle alarm device's thermal-insulated structure, includes first card shell (1) and second card shell (2), its characterized in that: an alarm device body (5) is arranged between the first clamping shell (1) and the second clamping shell (2), a telescopic cylinder (501) is fixedly mounted at the top of the alarm device body (5), a heat-resistant plate (6) is fixedly connected to the end portion of the telescopic cylinder (501), the heat-resistant plate (6) penetrates through the top of the first clamping shell (1) in a sliding manner, the end portions of the first clamping shell (1) and the second clamping shell (2) are connected through a positioning rod (101) in an inserting manner, ceramic fiber board heat-insulating layers (4) are fixedly connected to the inner walls of the first clamping shell (1) and the second clamping shell (2), wire sleeves (3) are fixedly connected to the side walls of the first clamping shell (1) and the second clamping shell (2), a temperature sensor (8) is fixedly mounted on one side of the first clamping shell (1), and a PLC (7) is fixedly mounted on the inner wall of the first clamping shell (1), and the temperature sensor (8) and the telescopic cylinder (501) are electrically connected with the PLC (7).
2. The heat insulation structure of the warning device of the railway vehicle as claimed in claim 1, wherein: the two ends of the bottom in the second clamping shell (2) are fixedly connected with partition plates (203), and the alarm device body (5) is inserted and positioned between the partition plates (203).
3. The heat insulation structure of the warning device of the railway vehicle as claimed in claim 1, wherein: radiating groove (103) have been seted up at the top of first card shell (1), radiating groove (103) and heat-resisting board (6) phase-match sliding connection, fixedly connected with sealed cushion (104) on the cell wall of radiating groove (103), sealed cushion (104) closely laminate with the lateral wall of heat-resisting board (6).
4. The heat insulation structure of the warning device of the railway vehicle as claimed in claim 1, wherein: the heat-resistant plate (6) comprises a heat-conducting copper plate (601), the upper end of the heat-conducting copper plate (601) is fixedly connected with a fireproof heat-insulating glass cotton felt plate (602), and the upper end of the fireproof heat-insulating glass cotton felt plate (602) is fixedly connected with a rock wool plate flame-retardant layer (603).
5. The heat insulation structure of the warning device of the railway vehicle as claimed in claim 1, wherein: the upper end and the first card shell (1) fixed connection of locating lever (101), the lower extreme fixedly connected with rubber tooth piece (102) of locating lever (101), location tooth's socket (201) have been seted up on second card shell (2), location tooth's socket (201) and rubber tooth piece (102) phase-match connection, equal fixedly connected with magnet piece (202) on the corresponding terminal surface between second card shell (2) and the first card shell (1), it is fixed to adsorb each other between magnet piece (202).
6. The heat insulation structure of the warning device of the railway vehicle as claimed in claim 1, wherein: an asbestos cloth heat-insulating layer (301) is fixedly connected to the inner wall of the wire casing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022671968.0U CN213303223U (en) | 2020-11-18 | 2020-11-18 | Heat insulation structure of rail vehicle alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022671968.0U CN213303223U (en) | 2020-11-18 | 2020-11-18 | Heat insulation structure of rail vehicle alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213303223U true CN213303223U (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022671968.0U Active CN213303223U (en) | 2020-11-18 | 2020-11-18 | Heat insulation structure of rail vehicle alarm device |
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| Country | Link |
|---|---|
| CN (1) | CN213303223U (en) |
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2020
- 2020-11-18 CN CN202022671968.0U patent/CN213303223U/en active Active
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