CN220435584U - Subway air valve module box - Google Patents

Abstract

The utility model relates to the technical field of control cabinets, in particular to a subway air valve module box, which comprises: the box body is internally provided with a camera, lighting equipment and a controller, a first opening and a second opening are formed in the box wall of the box body facing the air valve, the camera is arranged on the inner side of the box wall at the first opening, and the lighting equipment is arranged on the inner side of the box wall at the second opening; the camera and the lighting equipment are electrically connected with the controller, and the camera is used for shooting the state of the air valve and sending the state to the controller. The air valve module box solves the problems that in the prior art, only the air valve is in an open or closed state, and the specific opening of the air valve cannot be determined, so that equipment failure occurs or the service life is reduced.

Description

Subway air valve module box

Technical Field

The utility model relates to the technical field of control cabinets, in particular to a subway air valve module box.

Background

The disclosure of this background section is only intended to increase the understanding of the general background of the utility model and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art already known to those of ordinary skill in the art.

Urban rail transit is well known as a safe, comfortable, fast, on-time, environmentally friendly, high-capacity passenger transport vehicle. Ventilation and fire problems in subways are increasingly attracting attention as subways are mostly located in underground enclosed spaces. Not only can the subway station and the tunnel generate fire disaster, but also effective rescue and fire disaster suppression can be difficult to carry out once the fire disaster occurs. According to subway fire data statistics, most casualties are caused by flue gas poisoning and asphyxia. The subway air valve can timely solve the ventilation and smoke discharge problems of the subway, improves the indoor ventilation environment of the subway, and enables people to sit on the subway more comfortably and safely.

In the prior art, the research on the air valve mainly focuses on how to control the action of the air valve to realize ventilation and smoke discharge, but the monitoring on the state of the air valve is also important. Currently, the state of the air valve equipment of the subway is transmitted to a BAS system (environment and equipment monitoring system), so that whether the air valve is in a state of being opened or closed is monitored. However, the air valve is positioned at the middle position, or the opening degree of the air valve is unknown, mechanical problems such as blocking and the like often occur in the opening and closing process of the air valve, the service life of equipment can be influenced due to the fact that the blocking times are large along with the accumulation of time, equipment faults can be possibly caused, and therefore the meaning of detecting the opening degree value of the air valve is large. In addition, the dust in the module box is too little to maintain, the temperature and the current are too large to be easily perceived, and therefore, the automatic early warning is also necessary.

Disclosure of Invention

Aiming at the defects existing in the prior art, the embodiment of the utility model aims to provide a subway air valve module box, so as to solve the problems that in the prior art, only the air valve is monitored to be in a state of being in place or in place, and the specific opening of the air valve cannot be determined to cause equipment failure or reduce the service life. Meanwhile, because the current is too large, dust is too much or vibration is abnormal and the like are required to be concerned, but the technology does not exist in the prior art, the utility model realizes automatic operation and maintenance through the module box, and improves the operation and maintenance efficiency and the inspection necessity.

In order to achieve the above object, the embodiment of the present utility model provides the following technical solutions:

a subway air valve module box comprising: the box body is internally provided with a camera, lighting equipment and a controller, a first opening and a second opening are formed in the box wall of the box body facing the air valve, the camera is arranged on the inner side of the box wall at the first opening, and the lighting equipment is arranged on the inner side of the box wall at the second opening; the camera and the lighting equipment are electrically connected with the controller, and the camera is used for shooting the state of the air valve and sending the state to the controller.

In another preferred embodiment of the utility model, a vibration sensor is arranged on the inner side of the box wall of the box body mounting camera, and the vibration sensor is electrically connected with the controller and used for monitoring the vibration condition of the box wall.

In another preferred embodiment of the present utility model, a display is disposed on a wall of the case, and the display is electrically connected to the controller, for displaying a state of the air valve.

In another preferred embodiment of the present utility model, a current sensor is further included, the current sensor being connected in series in the circuit of the display.

In another preferred embodiment of the present utility model, an indicator light is provided on a wall of the case, and the indicator light includes an on-state signal lamp, an off-state signal lamp, and an on-state signal lamp.

In another preferred embodiment of the utility model, a telescopic mechanism is arranged on the wall of the box body, a rotating mechanism is arranged at the end part of the telescopic mechanism, and the camera is arranged on the rotating mechanism; the rotating mechanism comprises a first bevel gear, a second bevel gear and a driving motor, wherein an output shaft of the driving motor is connected with the first bevel gear, the second bevel gear is meshed with the first bevel gear, and the camera is installed on the first bevel gear.

In another preferred embodiment of the present utility model, a power module is disposed in the box, and is used for supplying power to the camera and the lighting device; a dust sensor is arranged in the box body and used for monitoring the dust content in the box body.

In another preferred embodiment of the present utility model, a leakage current monitor is disposed in the box for monitoring the leakage condition of the box.

In another preferred embodiment of the present utility model, a temperature sensor is provided in the case for monitoring the temperature in the case.

In another preferred embodiment of the present utility model, a humidity sensor is provided in the case for monitoring the humidity in the case.

One or more technical solutions provided in the embodiments of the present utility model at least have the following technical effects or advantages:

1. the camera is arranged on one surface of the air valve module box, which is opposite to the air valve, and the camera is used for photographing and collecting the state of the air valve, and transmitting the collected information to the controller to be compared with a trained model, so that the specific opening degree of the air valve is obtained, the information perception problem of the air valve is solved, the air valve is timely found out to be maintained, and the service life of equipment is prolonged; and the effective information is monitored in real time through the state of the air valve, so that data support is provided for the control of the air valve.

2. The air valve module box can integrate multiple functions, display current conditions, avoid the condition that operation and maintenance personnel check dust frequently, display whether foreign matters and personnel invade, strengthen the safety of the air valve fan environment, display the actual state of the air valve, solve the problem that the operation and maintenance personnel check before frequently, and gradually realize remote operation and maintenance.

3. The air valve module box can solve the problem that operation and maintenance personnel frequently go forward to check, and gradually realize remote operation and maintenance. At present, whether the air valve is in an intermediate state or not is checked frequently, and whether more dust is cleaned before the air valve is in the intermediate state or not is checked, and the remote operation and maintenance are realized by adopting the dust sensor and collecting the dust value; and if the temperature of the air valve module box is too high, abnormal phenomena such as line aging, short circuit and the like can exist, so that the diagnosis temperature is highly necessary. By adopting the module box of the embodiment, the state of the air valve can be monitored, whether personnel invade the air valve can be detected, the self-sensing capability is realized on the health state (such as overlarge current, overhigh temperature, overlarge box vibration and the like) of the module box body, the maintenance frequency can be greatly reduced, and the overhaul content of operation and maintenance personnel is changed into the remote self-diagnosis effect; meanwhile, the operation and maintenance personnel can know the site condition only by directly looking at the display on site.

4. The display is arranged to display the abnormal times of the air valve, the excessive times of the temperature, the times of personnel invasion and the like, so that operation and maintenance personnel can control the site conditions without site experiments, and the sensing and control capacity of equipment is improved. The controller is connected with the existing BAS system of the subway, and interacts information such as abnormal times of the air valve, excessive times of temperature, personnel invasion times, excessive dust early warning values and the like. The controller can start the lighting equipment at fixed time or according to the instructions set by bas, and synchronously detect the values of personnel invasion, air valve state, temperature, humidity, dust, vibration and current; the controller can perform statistical analysis on information sent to the BAS system in an accumulated way, form a time sequence aiming at vibration values, analyze the times of occurrence of abnormal values in the time sequence and perform related early warning analysis; the controller finds that personnel invade, the state of the air valve is abnormal, and when the temperature, the humidity and the dust are abnormal, the controller can give an alarm immediately, and the alarm is displayed on a display and synchronously sent to the bas system. Such information is monitored by the operation and maintenance personnel at the remote BAS system, so that the remote operation and automatic operation and maintenance become reality.

Additional aspects of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

The accompanying drawings, which are included to provide a further understanding 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.

FIG. 1 is a schematic diagram of a connection between a valve module box, a valve and a fan according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a wall of a damper module case facing a damper according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the inside surface of the tank wall of FIG. 2;

fig. 4 is a schematic diagram showing a connection relationship between each component and a terminal block;

FIG. 5 is a schematic view of a camera mounted on a wall of a case;

in the figure: 1. a case; 2. an air valve; 3. a blower; 11. a display; 12. turning off the action signal lamp; 13. turning off a state signal lamp; 14. a first opening; 15. a signal lamp in an on state; 16. a second opening; 17. starting a signal lamp; 18. a terminal block; 19. a lighting device; 20. a camera; 21. a controller; 22. a dust sensor; 23. a current sensor; 24. a vibration sensor; 25. a temperature sensor; 26. a humidity sensor; 27. a power supply; 28. a rotation mechanism; 29. a telescoping mechanism;

the mutual spacing or dimensions are exaggerated for the purpose of showing the positions of the various parts, and the schematic illustrations are used for illustration only.

Detailed Description

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.

Term interpretation section: the terms "mounted," "connected," "secured," and the like in the present utility model are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the terms "mechanically coupled" and "directly coupled" may be used interchangeably to refer to either a mechanical coupling, an indirect coupling via an intermediary, an internal coupling of two elements, or an interaction of two elements, as would be understood by one of ordinary skill in the art, and the terms are to be understood in the specific sense of the present utility model as appropriate.

As described in the background art, in the prior art, only the state that the air valve is in the on-position or off-position can be monitored, and the specific opening degree of the air valve cannot be determined, so that equipment faults occur or the service life of the equipment is reduced.

As shown in fig. 1 and 2, in an embodiment of the present utility model, a subway air valve module box is described, including: the box body 1, the box body 1 is connected with the air valve 2 through a cable, and then is connected with the fan body 3 through the air valve 2. A camera 20, a lighting device 19 and a controller 21 are arranged in the box body 1, a first opening 14 and a second opening 16 are arranged on the box wall of the box body facing the air valve, the camera is arranged on the inner side of the box wall at the first opening, and the lighting device is arranged on the inner side of the box wall at the second opening; the camera and the lighting equipment are electrically connected with the controller, and the camera is used for shooting the state of the air valve and sending the state to the controller. Wherein the first opening is a camera opening and the second opening is a lighting device opening.

The camera is arranged on one surface of the air valve module box, which is opposite to the air valve, and the camera is used for photographing and collecting the state of the air valve, and transmitting the collected information to the controller to be compared with a trained model, so that the specific opening degree of the air valve is obtained, the information perception problem of the air valve is solved, the air valve is timely found out to be maintained, and the service life of equipment is prolonged; and the effective information is monitored in real time through the state of the air valve, so that data support is provided for the control of the air valve.

The specific operation method of the training model comprises the following steps:

collecting a plurality of state images of the air valve, wherein the images comprise a plurality of images which are opened in place and closed in place and are positioned at different openings;

the obtained image is input into a deep learning network model (such as a convolution network model), and then enters programming software for training;

after training, a network model can be obtained, and a weight file is saved;

when a real-time image is input, the real-time image can be compared with a training model, a stored weight file is called, and the state of the air valve is obtained.

The controller of the embodiment adopts a controller with GPU capability, can enable ARM or DSP or an Injettia chip function, and has functions of air valve control, state control, time storage, threshold value storage, comparison calculation, algorithm model storage, detection and the like.

The present utility model aims to claim the structure (constitution) of a damper box and the positional arrangement relation with a damper, and the data processing method for obtaining the aperture of the damper can be adopted in the prior art, for example:

1. and collecting a large amount of air valve data, manually marking the air valve data to the air valve position, positioning the air valve data by a neural network method, and training to obtain a model.

Of course, the position of the air valve can be marked manually at the time of use, and the air valve position is marked as A.

2. For the position A, recording and obtaining all state data of the position A, defining the position A as a state of 10%, 20%, 50%, 70% and 100% on, and constructing a deep learning algorithm model to obtain a model d;

3. and d, calling a model d for the video detected in real time, and displaying the opening degree for monitoring the opening degree type of the air valve.

Further, when the box wall vibrates and can influence the image acquired by the camera, in order to avoid the problem of inaccurate acquired data caused by vibration, a vibration sensor is arranged on the inner side of the box wall of the box body for installing the camera, the vibration sensor is electrically connected with the controller and transmits real-time numerical values to the controller, the controller compares the real-time numerical values with a stored preset threshold value, and early warning processing is carried out after the threshold value range is exceeded. The condition of inaccurate information acquisition is got rid of through the vibrations condition of monitoring case wall, vibration sensor can adopt the model of earcum series. And a display 11 is further arranged on the wall of the box body, and is electrically connected with the controller and used for displaying the state of the air valve. The display displays the current state and the state of the air valve (whether the phenomenon of clamping exists or not), and the effect of effective early warning is achieved by seeing the state of the air valve on the display.

The camera also has a foreign matter detection function, the collected image information is transmitted to the controller, and the controller detects small animals such as personnel or cats and dogs according to a disclosure weight file of yolov5 (single-stage target detection algorithm), and if the personnel or the cats and dogs are detected, signals are transmitted to the display for display.

The specific structure of the camera and the actuating mechanism thereof can adopt the prior art, and further, corresponding teaching is also provided in the embodiment. As shown in fig. 5, the camera is provided with a telescopic mechanism 29 and a rotating mechanism 28, the telescopic mechanism 29 is arranged on the wall of the box body, the rotating mechanism 28 is arranged at the end part of the telescopic mechanism 29, and the camera is arranged on the rotating mechanism 28; the rotating mechanism comprises a first bevel gear, a second bevel gear and a driving motor, wherein an output shaft of the driving motor is connected with the first bevel gear, the second bevel gear is meshed with the first bevel gear, and the camera is installed on the first bevel gear.

When inspection abnormality and an air valve state are not carried out, the camera is contracted in the module box, so that too much dust interference is avoided. When overhauling, the camera stretches out of the module box, the first step explores the air valve, and the feedback result is fed back to the controller after the state detection is completed; then, the camera continues to extend and extends out of the rotating mechanism, and the camera patrols the surroundings according to the angle, so that whether personnel and animal invasion conditions exist or not. The telescopic mechanism and the rotating mechanism are controlled by instructions of the controller, operate according to a certain sequence, record and collect detection results, display the results on a display screen and transmit the results to the bas system.

The damper module box further includes a current sensor connected in series in the circuit of the display. The value of the current sensor is transmitted to the controller and displayed on the display, and the controller judges whether the display has abnormality according to the value of the current. The current is 0 if the display is short-circuited, the current is small (less than 20A) if the display is failed, the current is large (more than or equal to 20A and less than 100A) if the display is normal, and the current sensor can be made of a product of the model meacon MIK-DJI.

The box wall of the box body is provided with an indicator lamp, and the indicator lamp comprises an on action, an off action, an on state and an off state signal lamp. Furthermore, the wall of the box is also provided with an early warning signal indicator lamp, and the alarm is given when the current is too large or the dust is too much or the box body vibrates too much or the air valve is in a half-open state.

As shown in fig. 2, the indication lamps include an off action signal lamp 12, an off state signal lamp 13, an on action signal lamp 17, and an on state signal lamp 15. The power line of the camera and the power line of the signal lamp are shared, the signal line of the camera is connected to the terminal strip 18 in the cabinet, and the terminal strip plays a role in signal (current voltage) transmission. Through setting up the terminal strip for the wiring is pleasing to the eye, and construction and maintenance are more convenient.

The terminal strip of original module case has born the duty cycle of on-off state, switching action, power, and the terminal strip of this embodiment is at 12v because the power supply, consequently all display, temperature sensor 25, dust sensor 22, shake sensor 24, the camera, lighting apparatus's power 27 line and control cable are all adorned at the terminal strip (as shown in fig. 4), realize practicing thrift intensive purpose to adopt current sensor 23 to overall statistics current value, for the safe effective operation and maintenance of equipment provides convenience.

The controller and the camera are connected with the air valve module box to analyze the state of the air valve, the controller obtains the analysis result of the air valve and displays the analysis result on the display, and the display synchronously displays the opening and closing states of the air valve.

And a power module for supplying power to the camera and the lighting equipment is also arranged in the box body.

Be provided with the dust sensor that is used for monitoring the dust content in the box in, bear the gray of pm10 to the controller can add up the numerical value of pm10, reports to the police and shows on the display when reaching certain threshold value. The dust sensor may be a pm10 dust sensor, ai Kesai KY-WQX series.

A leakage current monitor is arranged in the box body to monitor whether the power supply system in the box body leaks current or not, and if the leakage current exceeds a threshold value, the display alarms, so that equipment or staff is prevented from being damaged.

Excessive temperature can lead to rapid increase of failure rate of the element and decrease of service life; too low a temperature may cause brittleness of the magnetic medium or the like and easy breakage; therefore, in this embodiment, a temperature sensor is disposed in the case, and is used to monitor the temperature in the case and display the temperature through a display.

Static electricity is easy to generate when the relative humidity is too low, and static electricity interference is caused to microelectronic equipment; when the relative humidity is too high, the contact resistance between the welding spots inside the microelectronic device and the socket is increased; therefore, the humidity sensor 26 is disposed in the case in this embodiment for monitoring the humidity in the case.

The air valve module box provided by the utility model simultaneously realizes the concentration of the module box, is convenient to install equipment cables in place at one time during construction and installation, and realizes the effect of convenience.

Example 1

When the subway operates, the BAS system can start a fan, and when the subway operates, the BAS system can send a fan starting instruction to the controller, and the controller further sends a control instruction. Meanwhile, the controller starts the lighting equipment to detect whether personnel invasion exists, whether the air valve is in a semi-open and semi-closed state, state information of the personnel and the air valve is quantized, for example, personnel invasion represents 1, personnel does not invade and represents 0, the semi-open and semi-closed state of the air valve is 3, meanwhile, the numerical values of temperature, humidity, dust, vibration and current are collected once, data of the air valve, the personnel, temperature, humidity, vibration and current and dust are packed to form a serial instruction, the serial instruction is packed and transmitted to the BAS system, and the BAS system is responsible for analyzing and identifying the serial instruction.

Example 2

The controller presets fixed times, such as 3:00, 7:00, 12: 00. 15:00, and the like, when the timer detects fixed time, an opening instruction is sent to the lighting equipment, whether personnel invasion exists or not is detected, whether the air valve is in a semi-open and semi-closed state or not is detected, the state information of the personnel and the air valve is quantized, for example, the personnel invasion represents 1, the personnel non-invasion represents 0, the semi-open and semi-closed state of the air valve is 3, meanwhile, the numerical values of temperature, humidity, dust, vibration and current are collected once, the data of the air valve, the personnel, the temperature, the humidity, the vibration, the current and the dust are packed to form a serial instruction, the serial instruction is packed and transmitted to the BAS system, and the BAS system is responsible for analyzing and identifying the serial instruction.

Example 3

When the controller packs the data to the BAS system in real time, the controller can carry out retention processing and analysis, such as statistic analysis on vibration values in a continuous period of time, analyzes the occurrence times of abnormal constant values in the period of time, if the occurrence times exceed a certain threshold value, early warning is carried out, and early warning information is displayed on a display.

While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.

Claims (9)

1. A subway air valve module box, characterized by comprising: the box body is internally provided with a camera, lighting equipment and a controller, a first opening and a second opening are formed in the box wall of the box body facing the air valve, the camera is arranged on the inner side of the box wall at the first opening, and the lighting equipment is arranged on the inner side of the box wall at the second opening;

the camera and the lighting equipment are electrically connected with the controller, and the camera is used for shooting the state of the air valve and sending the state to the controller.

2. The subway air valve module box as set forth in claim 1, wherein a vibration sensor is provided on the inner side of the wall of the box body on which the camera is mounted, and the vibration sensor is electrically connected to the controller for monitoring vibration conditions of the wall.

3. The subway air valve module box as set forth in claim 1, wherein a display is provided on a wall of the box body, and the display is electrically connected with the controller for displaying an air valve state.

4. A subway air valve module box as set forth in claim 3, further including a current sensor connected in series in the electrical circuit of the display.

5. The subway air valve module box as set forth in claim 1, wherein an indicator light is provided on a wall of the box body, and the indicator light includes an on-state signal lamp, an off-state signal lamp, and an on-state signal lamp.

6. The subway air valve module box as set forth in claim 1, wherein a power module is provided in the box for supplying power to the camera and the lighting device; a dust sensor is arranged in the box body and used for monitoring the dust content in the box body.

7. The subway air valve module box as set forth in claim 1, wherein a leakage current monitor is provided in the box for monitoring the leakage current of the box.

8. The subway air valve module box as set forth in claim 1, wherein a temperature sensor is provided in the box for monitoring the temperature in the box.

9. The subway air valve module box as set forth in claim 1, wherein a humidity sensor is provided in the box for monitoring the humidity in the box.