CN202914120U - Tunnel ventilation device - Google Patents
Tunnel ventilation device Download PDFInfo
- Publication number
- CN202914120U CN202914120U CN 201220582503 CN201220582503U CN202914120U CN 202914120 U CN202914120 U CN 202914120U CN 201220582503 CN201220582503 CN 201220582503 CN 201220582503 U CN201220582503 U CN 201220582503U CN 202914120 U CN202914120 U CN 202914120U
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- Prior art keywords
- tunnel
- ventilation
- ventilation controller
- controller
- smoke alarm
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Abstract
The utility model discloses a tunnel ventilation device, and relates to the technical field of tunnel engineering corollary equipment manufacture. The tunnel ventilation device comprises a smoke detector for collecting smoke density in a tunnel. An output end of the smoke detector is connected with an input end of a ventilation controller. A controlling end of the ventilation controller is connected with a ventilator which is mounted in the tunnel through a switch. The ventilation controller further includes a linkage signal input end and a linkage signal output end. The ventilation controller is connected with at least one ventilation controller arranged in an adjacent tunnel in series in a way that the linkage signal output end of one ventilation controller is connected with the linkage signal input end of the other ventilation controller, and thus a signal transmission return circuit is formed. Compared with the prior art, the tunnel ventilation device solves the problem that tunnel ventilation devices in a plurality of adjacent roads are lack of necessary linkage functions.
Description
Technical field
The utility model relates to construction of tunnel corollary equipment manufacturing technology field, especially a kind of ventilation installation.
Background technology
Tunnel ventilation is the basic guarantee of highway tunnel traffic safety, occupies critical role in the highway tunnel construction.At present, common tunnel ventilation control mode mostly adopts Automatic Control.Wherein typical tunnel ventilation device includes the smoke alarm that gathers smokescope in the tunnel, and the signal of described smoke alarm sends ventilation controller to; The smokescope signal value that detects when described smoke alarm is during more than or equal to setting value, and described smoke alarm is just by enable signal of its output port output.When the described ventilation controller that is connected with described smoke alarm detects described smoke alarm enable signal is arranged, just by the switch activated ventilation fan running that is installed in the described tunnel, carry out forced ventilation, eliminate as early as possible the harm of smog.Described ventilation controller just by the switch activated ventilation fan running that is installed in the described tunnel, carries out forced ventilation, eliminates as early as possible the harm of smog; The smokescope signal value that detects when described smoke alarm is during less than setting value, and described smoke alarm just stops to export described enable signal by its output port.When described ventilation controller detected described smoke alarm without described enable signal, described ventilation controller just stopped the running of described ventilation fan by described switch, with energy conservation.When said apparatus is used for the nearer tunnel of a plurality of neighbor distance in mountain area; when wherein certain tunnel breaking out of fire; a large amount of smog that fire produces are discharged outside this tunnel by this tunnel ventilation device; these smog that are discharged from often can waft in adjacent tunnel; because the concentration of this smog is not high; the ventilation installation that is not enough to trigger adjacent tunnel starts automatically; if this smog can not get timely discharge; be trapped in for a long time in this tunnel, bring serious threat can for the traffic safety in this tunnel.
The utility model content
The purpose of this utility model provides a kind of tunnel ventilation device that can realize the linkage aeration in the tunnel that a plurality of neighbor distance are nearer.
In order to address the above problem, the technical solution adopted in the utility model is: this tunnel ventilation device includes the smoke alarm that gathers smokescope in the tunnel, the output of described smoke alarm is connected with the input of ventilation controller, and the control end of described ventilation controller is connected with ventilation fan in being installed in the tunnel by switch.Described ventilation controller also includes interlock signal input part and interlock signal output part, and the ventilation controller of described ventilation controller and at least one adjacent tunnel is with the interlock signal output part of a ventilation controller and be connected the mode that signal input part is connected that links and be connected into a signal transmission loop.
Owing to having adopted such scheme, the utility model compared with prior art has following beneficial effect:
1, the utility model has adopted the linkage aeration control mode, has effectively reduced the impact of fire hazard aerosol fog on adjacent tunnel, has improved the safety of tunnel driving.
2, the utility model is simple in structure, and is easy to make.
Description of drawings
Fig. 1 is that master of the present utility model looks schematic diagram.
Fig. 2 is electric control structure schematic diagram of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment:
This tunnel ventilation device illustrated in figures 1 and 2, this tunnel ventilation device includes the smoke alarm 2 that gathers tunnel 1 interior smokescope, the output of smoke alarm 2 is connected with the input of ventilation controller 3, and the control end of ventilation controller 3 is connected with ventilation fan 5 in being installed in the tunnel by switch.The interlock signal output part OUT of ventilation controller 3 is connected with the interlock signal input part IN1 of the ventilation controller of adjacent tunnel, and the interlock signal input part IN of ventilation controller 3 is connected with the interlock signal output part OUT1 of the ventilation controller of adjacent tunnel.The control method of ventilation controller 3 is as follows: within a work period, ventilation controller 3 at first detects the signal of smoke alarm 2, when ventilation controller 3 detects smoke alarm 2 enable signal is arranged, ventilation controller 3 is exported local interlock signal by its signal output part OUT that links, and turns round by switch 4 startup ventilation fans 5.When ventilation controller 3 detected smoke alarm 2 without enable signal, ventilation controller 3 stopped by the local interlock of its interlock signal output part OUT output signal, and whether ventilation controller 3 detects its interlock input IN again other places interlock signal.If interlock signal in other places is arranged, ventilation controller 3 just copies this signal and exports this signal by its interlock signal output part OUT, then starts ventilation fan 5 runnings by switch 4; If without other places interlock signal, ventilation controller 3 just stops the output signal by its interlock signal output part OUT, and stops ventilation fan 5 runnings.When the adjacent tunnel apart from each other, can set up the interlock signal amplifying apparatus, signal accurately transmits to guarantee to link.Ventilation controller 3 is microcomputer controller, and switch 4 is solid-state switch or contactor, and ventilation fan 5 is axial flow blower or jet blower.
Claims (1)
1. tunnel ventilation device, include the smoke alarm that gathers smokescope in the tunnel, the output of described smoke alarm is connected with the input of ventilation controller, the control end of described ventilation controller is connected with ventilation fan in being installed in the tunnel by switch, it is characterized in that: described ventilation controller also includes interlock signal input part and interlock signal output part, and the ventilation controller of described ventilation controller and at least one adjacent tunnel is with the interlock signal output part of a ventilation controller and be connected the mode that signal input part is connected that links and be connected into a signal transmission loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220582503 CN202914120U (en) | 2012-11-07 | 2012-11-07 | Tunnel ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220582503 CN202914120U (en) | 2012-11-07 | 2012-11-07 | Tunnel ventilation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202914120U true CN202914120U (en) | 2013-05-01 |
Family
ID=48162441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220582503 Expired - Fee Related CN202914120U (en) | 2012-11-07 | 2012-11-07 | Tunnel ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202914120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913269A (en) * | 2012-11-07 | 2013-02-06 | 广西景桂自控工程有限公司 | Tunnel ventilation device |
-
2012
- 2012-11-07 CN CN 201220582503 patent/CN202914120U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913269A (en) * | 2012-11-07 | 2013-02-06 | 广西景桂自控工程有限公司 | Tunnel ventilation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20151107 |
|
| EXPY | Termination of patent right or utility model |