CN221195131U - Underground general car air door alarm system - Google Patents
Underground general car air door alarm system Download PDFInfo
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- CN221195131U CN221195131U CN202323063447.7U CN202323063447U CN221195131U CN 221195131 U CN221195131 U CN 221195131U CN 202323063447 U CN202323063447 U CN 202323063447U CN 221195131 U CN221195131 U CN 221195131U
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- 238000009423 ventilation Methods 0.000 claims abstract description 24
- 230000000007 visual effect Effects 0.000 claims abstract description 22
- 238000012544 monitoring process Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 description 19
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an underground traffic air door alarm system, which comprises: the system comprises a first group of air doors and a second group of air doors which are arranged at intervals, and a general air door for passing a trolley and a pedestrian air door for pedestrians are respectively arranged on the first group of air doors and the second group of air doors; the two groups of alarms and the two groups of sensors are respectively and correspondingly arranged on the first group of air doors and the second group of air doors which are arranged at intervals, wherein the number of each group of alarms is one, and the number of each group of sensors is two; the two groups of alarms are respectively and fixedly arranged on the door bodies of the train ventilation doors in the first group of air doors and the second group of air doors and are used for performing audible and visual alarm; each group of sensors is respectively arranged at the positions of the door frames of the train passing air door and the pedestrian air door in the first group of air doors and the second air door and used for continuously detecting the opening and closing of the train passing air door and the pedestrian air door.
Description
Technical Field
The utility model relates to the technical field of underground alarming, in particular to an underground general air door alarming system.
Background
The air door is used as an important structure in the underground ventilation system of the coal mine, and is used for isolating the air flow, creating conditions for distributing the air flow of the coal mine according to the requirements and providing convenience for pedestrians and transportation. According to the content of ventilation specialized ventilation facilities in a coal mine safety production standardized management system, a ventilation air door is provided with a device for emitting an acousto-optic signal, and the acousto-optic signal can be received at two sides of the air door.
At present, a mechanical structure and a sensor detection mode are adopted to realize the detection of the air door.
If the bulletin day is 2022.10.14, the bulletin number is: the electromagnetic air door state detection device disclosed by CN217585830U is composed of a voice chip, a main MCU, an electric installation circuit, an electromagnetic induction current detection circuit, a main MCU, a voice driving circuit, a loudspeaker and other structures, so that the detection of the air door is realized, but the structure has the advantages of high cost, multiple elements, complex circuit connection and higher environmental requirements.
Disclosure of utility model
In order to solve part or all of the technical problems in the prior art, the utility model provides an underground general air door alarm system which can realize continuous detection and alarm of underground two groups of air doors, only needs two groups of alarms and two groups of sensors, and has low cost and simple structure.
The technical scheme of the utility model is as follows:
the utility model provides an underground traffic air door alarm system, which comprises:
The system comprises a first group of air doors and a second group of air doors which are arranged at intervals, and a general air door for passing a trolley and a pedestrian air door for pedestrians are respectively arranged on the first group of air doors and the second group of air doors;
Two groups of alarms and two groups of sensors are respectively and correspondingly arranged on the first group of air doors and the second group of air doors which are arranged at intervals,
The number of the alarms in each group is one, and the number of the sensors in each group is two;
the two groups of alarms are respectively and fixedly arranged on the door bodies of the train ventilation doors in the first group of air doors and the second group of air doors and are used for performing audible and visual alarm; each group of sensors is respectively arranged at the positions of the door frames of the train passing air door and the pedestrian air door in the first group of air doors and the second group of air doors and used for continuously detecting the opening and closing of the train passing air door and the pedestrian air door.
Further, two groups of alarms are connected in parallel, wherein one group of alarms are electrically connected to the positive and negative electrodes of a power supply and a signal receiving port of a control monitoring substation for the underground train passing air door, and the other group of alarms are connected in parallel to the power supply for supplying power.
Further, the sensors arranged on the first group of air doors and the second group of air doors are respectively connected in series, and the sensors after being connected in series are electrically connected to any one of the two groups of sensors.
Further, the alarm is an audible and visual alarm.
The technical scheme of the utility model has the main advantages that:
The underground traffic air door alarm system only needs two groups of alarms and two groups of sensors, and is low in cost and simple in structure. Specifically, two groups of alarms and two groups of sensors are respectively and correspondingly arranged on the two groups of air doors, so that continuous detection of opening and closing of the train ventilation door and the pedestrian air door is realized, and the opening and closing states and simultaneous opening of the two groups of train doors are alarmed; and the linkage alarm device of the two groups of air door sensors has the advantages of small volume, simple installation, sensitive use and reliable action, can continuously monitor the on-off state of the underground air door and simultaneously send out audible and visual alarm, and remind a traveling crane or a pedestrian to avoid the situation that the two air doors are simultaneously opened, so that the potential safety hazard caused by wind flow short circuit is effectively avoided.
Further, through connecting the two groups of alarms in parallel with each other and being connected with the signal receiving end and the power end of the control substation, and connecting the two sensors arranged on the first group of air doors and the second group of air doors in series, the open and close detection of the train passing air doors and the pedestrian air doors and the continuous detection of whether the two groups of air doors are simultaneously opened or not are realized, the structure is simple, the detection effect is accurate, the result is safe and reliable, and the safety of the underground environment is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and without limitation to the utility model. In the drawings:
FIG. 1 is a schematic diagram of an overall structure of a downhole ventilation door alarm system according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a first/second set of dampers in a downhole ventilation damper alarm system according to an embodiment of the present utility model;
FIG. 3 is a wiring diagram of sensors and alarms in the underground train damper alarm system of an embodiment of the present utility model.
Reference numerals illustrate:
1. A first set of dampers; 2. a second set of dampers; 3. a sensor; 4. an alarm; 5. a ventilation door; 6. a pedestrian throttle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The following describes in detail the technical scheme provided by the embodiment of the utility model with reference to the accompanying drawings.
As shown in fig. 1-3, an embodiment of the present utility model provides a downhole ventilation door alarm system, comprising:
The first group of air doors 1 and the second group of air doors 2 are arranged at intervals, and a through air door 5 for passing the underground trolley and a pedestrian air door 6 for pedestrians are respectively arranged on the first group of air doors 1 and the second group of air doors 2;
Two groups of alarms 4 and two groups of sensors 3, the two groups of alarms 4 and the two groups of sensors 3 are respectively and correspondingly arranged on the first group of air doors 1 and the second group of air doors 2 which are arranged at intervals,
The number of alarms 4 in each group is one, and the number of sensors 3 in each group is two;
The two groups of alarms 4 are respectively and fixedly arranged on door bodies of the train passing air doors 5 in the first group of air doors 1 and the second group of air doors 2 and are used for carrying out audible and visual alarms; each group of sensors 3 is respectively arranged at the positions of the door frames of the ventilation door 5 and the pedestrian door 6 in the first group of ventilation doors 1 and the second group of ventilation doors and is used for continuously detecting the opening and closing of the ventilation door 5 and the pedestrian door 6.
It should be noted that, the number of alarms 4 and the number of sensors 3 in each group may be plural, so that in order to satisfy the detection effect and reduce the detection cost, the simplicity and the high efficiency of the detection system are ensured, and preferably, the number of alarms 4 in each group is one, and the number of sensors 3 in each group is two.
In some alternative implementations of this embodiment, each set of air doors includes two symmetrical or asymmetrical vehicle passing air doors 5, and a pedestrian air door 6 for passing a pedestrian is disposed on any one of the air doors, where the first set of air doors 1 and the second set of air doors 2, that is, the vehicle passing air doors 5 and the pedestrian air doors 6 are normally closed in a natural state.
Specifically, two groups of alarms 4 are connected in parallel, wherein one group of alarms 4 is electrically connected to the positive and negative electrodes of a power supply and a signal receiving port of a control monitoring substation for the underground train ventilation door 5, and the other group of alarms 4 are connected in parallel to the power supply for supplying power.
Specifically, the sensors 3 provided on the first group damper 1 and the second group damper 2 are connected in series, respectively, and the sensors 3 after being connected in series are electrically connected to any one of the two groups of sensors 3.
Preferably, the alarm 4 is an audible and visual alarm.
Specifically, the power supply of the audible and visual alarm device is taken from a safety monitoring system substation (a safety monitoring system KJ90-F16 (B) mining intrinsic safety substation), and belongs to intrinsic safety, and the standby power supply of the safety monitoring system can supply power for not less than 4 hours after power failure, so that continuous monitoring is realized.
In some alternative implementations of this embodiment, the first set of dampers 1 and the second set of dampers 2 described above are equipment GFK60 mining intrinsic safety type dampers.
Meanwhile, the alarm system of the underground general air door 5 provided by the utility model comprises, but is not limited to, real-time detection of two groups of air doors, and can be used for real-time detection of multiple groups of air doors, for example, detection of three groups, four groups or more groups of air doors, so that continuous detection of multiple groups of air doors can be realized, and the alarm system has the advantages of simple structure, simple detection device, accurate and sensitive detection effect, safety of underground operation environment, avoidance of local aggregation of gas in an underground roadway and the like.
Specifically, the combination and principle of the underground ventilation alarm system in the utility model are as follows:
As shown in fig. 3, the specific wiring method of the two sets of damper sensors 3 is as follows: the two groups of air door openings are respectively provided with an audible and visual alarm 4, the audible and visual alarm 4 on the first group of air doors 1 is connected to a safety monitoring substation, specifically, the connecting ends of the audible and visual alarm 4 are respectively connected to a power supply (V+/V-), a signal connection (RS 485+/RS 485-), and the power supply is connected in parallel to the audible and visual alarm 4 on the second group of air doors 2. Specifically, a first group of large ventilation doors and small ventilation doors for pedestrians are respectively provided with a wind door sensor 3, the two wind door sensors 3 are connected in series, then connected to a first group of normally closed points on the audible and visual alarm 4, and finally connected in parallel to the first group of normally closed points on the audible and visual alarm 4. A second group of large ventilation doors and small ventilation doors of pedestrians are respectively provided with a wind door sensor 3, the two wind door sensors 3 are connected in series, then connected to a second group of normally closed points on the audible and visual alarm 4, and finally connected in parallel to a second group of normally closed points on the audible and visual alarm 4. The continuous monitoring and audible and visual alarm of the opening and closing states of the train pass air doors 5 are realized through the parallel connection of the audible and visual alarms 4 and the serial connection of the air door sensors 3, the train pass big air doors or the pedestrian small air doors or the large air doors and the small air doors of the first group of air doors 1 are opened simultaneously, an early warning is sent, and the second group of air doors 2 are similar; if the large traffic air door is opened and the large traffic air door is opened or the small pedestrian air door is opened and the large traffic air door is opened, an alarm (dangerous prompt) is sent, and the air doors are the same; if four air doors are opened at the same time, an alarm is sent out (danger is indicated).
In summary, according to the alarm system for the underground train passing air door 5, two groups of alarms 4 and two groups of sensors 3 are respectively and correspondingly arranged on two groups of air doors; the two groups of alarms 4 are connected in parallel, are connected with a signal receiving end and a power supply end of a control substation, are connected with two sensors 3 arranged on the first group of air doors 1 and the second group of air doors 2 in series, realize the open and close detection of the train passing air doors 5 and the pedestrian air doors 6 and the continuous detection of whether the two groups of air doors are simultaneously opened or not, and alarm the open and close states and the simultaneous opening of the two groups of doors, thereby guaranteeing the safety of underground environment.
The two sets of air door sensors 3 of the utility model have small volume, simple installation, sensitive use and reliable action, can continuously monitor the on-off state of the underground air door and simultaneously send out audible and visual alarm, and remind a traveling crane or a pedestrian to avoid the potential safety hazard caused by short circuit of wind flow by simultaneously opening the two air doors. The power supply of the audible and visual alarm device is taken from a substation of the safety monitoring system, belongs to intrinsic safety, and the standby power supply of the safety monitoring system can supply power for not less than 4 hours after power failure, so that continuous monitoring is realized.
Further door closing or opening operations are performed after the alarm, such that a set of dampers are simultaneously opened or closed.
Therefore, the underground traffic air door alarm system can realize continuous detection of the air door only through the two groups of alarms and the two groups of sensors, and meanwhile, the alarm device has the advantages of small volume, simplicity in installation, sensitivity in use, low cost and reliable action, can continuously monitor the on-off state of the underground air door and simultaneously send out audible and visual alarm, and can remind a driver or a pedestrian to avoid potential safety hazards caused by short circuit of air flow by simultaneously opening the two air doors.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In this context, "front", "rear", "left", "right", "upper" and "lower" are referred to with respect to the placement state shown in the drawings.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (4)
1. A downhole tractor draft damper alarm system, comprising:
The system comprises a first group of air doors and a second group of air doors which are arranged at intervals, and a general air door for passing a trolley and a pedestrian air door for pedestrians are respectively arranged on the first group of air doors and the second group of air doors;
Two groups of alarms and two groups of sensors are respectively and correspondingly arranged on the first group of air doors and the second group of air doors which are arranged at intervals,
The number of the alarms in each group is one, and the number of the sensors in each group is two;
the two groups of alarms are respectively and fixedly arranged on the door bodies of the train ventilation doors in the first group of air doors and the second group of air doors and are used for performing audible and visual alarm; each group of sensors is respectively arranged at the positions of the door frames of the train passing air door and the pedestrian air door in the first group of air doors and the second group of air doors and used for continuously detecting the opening and closing of the train passing air door and the pedestrian air door.
2. The system of claim 1, wherein two sets of alarms are connected in parallel, one set of alarms being electrically connected to the positive and negative power supply and signal receiving port of the control and monitoring substation for the underground train damper, the other set of alarms being connected in parallel to the power supply for power supply.
3. A downhole ventilation door alarm system according to claim 1, wherein the sensors disposed on the first and second sets of dampers are each connected in series and the sensors after the series are electrically connected to either of the sets of sensors.
4. A downhole ventilation door alarm system according to claim 1, wherein the alarm is an audible and visual alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323063447.7U CN221195131U (en) | 2023-11-14 | 2023-11-14 | Underground general car air door alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323063447.7U CN221195131U (en) | 2023-11-14 | 2023-11-14 | Underground general car air door alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221195131U true CN221195131U (en) | 2024-06-21 |
Family
ID=91520045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323063447.7U Active CN221195131U (en) | 2023-11-14 | 2023-11-14 | Underground general car air door alarm system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221195131U (en) |
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2023
- 2023-11-14 CN CN202323063447.7U patent/CN221195131U/en active Active
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