Air quality monitoring device for carriage of passenger train

Abstract

The utility model discloses an air quality monitoring device for a passenger train carriage, which comprises a shell, a fan is embedded on one side of the shell, a touch display screen is arranged above the shell, and the touch display screen is connected with the fan. A temperature and humidity sensor, a carbon dioxide sensor, a carbon monoxide sensor, an electrochemical sensor, a laser scattering sensor and an ammonia nitrogen sulfide sensor are fixedly arranged in the shell side by side; a data transmission device is fixedly arranged at the back side end of the shell, a control processing unit is fixedly arranged in the data transmission device, and the temperature and humidity sensor, the carbon dioxide sensor, the carbon monoxide sensor, the electrochemical sensor, the laser scattering sensor and the ammonia nitrogen sulfide sensor are all connected with the control processing unit; the touch display screen is bidirectionally connected with the control processing unit; and the fan is connected with the output end of the control processing unit.

Description

TECHNICAL FIELD

[0001] The utility model relates to monitoring device technical field, concretely is a railway passenger car compartment air quality monitoring device. BACKGROUND

[0002] As the closed space of personnel concentration, the air quality of the car compartment is directly related to the passenger health, the ride comfort and the operation safety. The personnel concentration in the car compartment, the CO2 concentration is easy to exceed the standard (the measured average value 0.08%-0.24%, the overproof rate 74.6% in summer). High concentration CO2 can cause dizziness, sleepiness, and even affect cognitive ability.

[0003] Volatile organic compounds (VOCs): benzene, formaldehyde and other (TVOC average value 0.32-3.25mg / m 3 , overproof rate 74.4%), short-term respiratory tract irritation, long-term may cause cancer.

[0004] Particulate matter (PM1.0 / PM2.5): personnel activity and external penetration of the vehicle particulate matter (such as external dust into the tunnel when meeting), can induce allergy, asthma.

[0005] Microbial contamination risk: closed space is easy to breed bacteria (average value 18-2986CFU / m 3 ), especially in the toilet, seat gap and other areas, may spread respiratory diseases.

[0006] Ride comfort, the temperature in the car compartment in winter can be lower than 19 DEG C (the recommended value of northern line 22-24 DEG C), the humidity is lower than 35% (the recommended value 35%-65%), leading to dry skin, respiratory discomfort.

[0007] Therefore, the air quality in the car compartment is directly closely affecting the comfort of the passenger, and the traditional air monitoring device is only arranged at the top of the car compartment, but the air quality at the height position of the nose and mouth breathing of the passenger when sitting on the seat is different from the air quality at the top of the car compartment, so the air monitoring device at the top of the car compartment in the traditional way is obviously different from the air quality felt by the passenger. When the air quality in the car compartment is temporarily detected in the traditional way, the air quality in front of the seat is recorded by a hand-held detection device and paper, which cannot continuously monitor the air quality in the car compartment, and is time-consuming and laborious and low in efficiency.

[0008] Therefore, in view of the problem, a railway passenger car compartment air quality monitoring device is needed. UTILITY MODEL CONTENT

[0009] The utility model discloses a purpose lies in providing a kind of railway passenger car compartment air quality monitoring device, the utility model directly places entire device on the backrest of seat back, then air quality is detected by operating through touch control display screen, by starting fan, fan sends the air at seat height into shell, then detects air quality by temperature and humidity sensor, carbon dioxide sensor, carbon monoxide sensor, electrochemical sensor, laser scattering sensor and ammonia nitrogen sulfide sensor in shell, then the data of detection is directly transmitted to the server of rear end for storage by wireless data transmission unit, staff directly check air quality data in each compartment by handheld intelligent terminal, when abnormal compartment appears, can timely know and carry out compartment inspection.The utility model is simple and convenient to operate, save time and effort, high efficiency, strong practicality.

[0010] The utility model is realized as follows:

[0011] A kind of railway passenger car compartment air quality monitoring device, including shell, fan is embedded on the side of the shell, the number of fan embedded on the side of the shell is 2, and is embedded side by side on the side of the shell.

[0012] Touch control display screen is equipped above the shell, temperature and humidity sensor, carbon dioxide sensor, carbon monoxide sensor, electrochemical sensor, laser scattering sensor and ammonia nitrogen sulfide sensor are fixed side by side in the shell;

[0013] Data transmission device is fixedly arranged at the back side end of the shell, control processing unit is fixedly arranged in the data transmission device, the temperature and humidity sensor, carbon dioxide sensor, carbon monoxide sensor, electrochemical sensor, laser scattering sensor and ammonia nitrogen sulfide sensor are connected with the control processing unit;Touch control display screen is bidirectionally connected with the control processing unit;Fan is connected with the output end of the control processing unit;

[0014] Wireless data transmission unit is also connected with the control processing unit, and antenna is arranged at the back side end of data transmission device, and the antenna is connected with the wireless data transmission unit.

[0015] Monitoring end is connected by the wireless data transmission unit, and the monitoring end includes server connected with the wireless data transmission unit, and the server is connected with PC end, and intelligent terminal is connected wirelessly.The intelligent terminal is smart mobile phone or tablet computer, and the intelligent terminal is at least 1.It is convenient for staff to directly check and receive abnormal data by intelligent terminal, and it is simple and convenient to operate.

[0016] Further, the control processing unit adopts an Arm 7 type control processing unit, and the wireless data transmission unit adopts a Wifi unit or a 4G DTU. The temperature and humidity sensor adopts a DHT11 type temperature and humidity sensor, the carbon dioxide sensor adopts a TGS4161 type carbon dioxide sensor, the carbon monoxide sensor adopts a TGS5042 type sensor, the electrochemical sensor adopts an MQ-135 type sensor, the laser scattering sensor adopts a DSM501 type sensor, and the ammonia nitrogen sulfide sensor adopts an MQ-137 type sensor.

[0017] Further, the control processing unit adopts an Arm 7 type control processing unit, and the wireless data transmission unit adopts a Wifi unit or a 4G DTU. The intelligent terminal is a smart phone or a tablet computer, and the intelligent terminal is at least 1. The staff can conveniently and quickly receive the early warning information through the handheld intelligent terminal.

[0018] Compared with the prior art, the device has the beneficial effects that the whole device is directly placed on the backrest of the seat back, then the air quality is detected by operating the touch display screen, the fan is started, the fan sends the air at the seat height into the shell, then the air quality is detected by the temperature and humidity sensor, the carbon dioxide sensor, the carbon monoxide sensor, the electrochemical sensor, the laser scattering sensor and the ammonia nitrogen sulfide sensor in the shell, then the detected data is directly transmitted to the server at the back end through the wireless data transmission unit for storage, the staff directly checks the air quality data in each car compartment through the handheld intelligent terminal, when the abnormal car compartment appears, the staff can know and check the car compartment in time. The device is simple, convenient and fast to operate, saves time and effort, has high efficiency and high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0020] Fig. 1 is the overall structure schematic diagram of the device of the present application;

[0021] Fig. 2 is the system structure schematic diagram of the present application;

[0022] Fig. 3 is the circuit diagram of the control processing unit of the present application;

[0023] The shell 1, the fan 11, the touch display screen 2, the data transmission device 3, and the antenna 31. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Please refer to Figs. 1-3 A railway passenger car air quality monitoring device includes a shell 1, a fan 11 is embedded on one side of the shell 1, the number of fans 11 embedded on one side of the shell 1 is two, and is embedded side by side on one side of the shell.

[0026] A touch display screen 2 is provided above the shell 1, and a temperature and humidity sensor, a carbon dioxide sensor, a carbon monoxide sensor, an electrochemical sensor, a laser scattering sensor, and an ammonia nitrogen sulfide sensor are fixed side by side in the shell;

[0027] A data transmission device 3 is fixed at the back end of the shell, a control processing unit is fixed in the data transmission device, the temperature and humidity sensor, the carbon dioxide sensor, the carbon monoxide sensor, the electrochemical sensor, the laser scattering sensor, and the ammonia nitrogen sulfide sensor are connected to the control processing unit; the touch display screen is bidirectionally connected to the control processing unit; the fan is connected to the output end of the control processing unit;

[0028] The control processing unit is also connected to a wireless data transmission unit, the control processing unit is also connected to a wireless data transmission unit, an antenna is provided at the back end of the data transmission device, and the antenna is connected to the wireless data transmission unit.

[0029] The wireless data transmission unit is connected with a monitoring end, the monitoring end comprises a server connected with the wireless data transmission unit, the server is connected with a PC end, and the wireless data transmission unit is connected with an intelligent terminal.

[0030] In the embodiment, the control processing unit is an Arm 7 type control processing unit, the wireless data transmission unit is a Wifi unit or a 4G DTU, the temperature and humidity sensor is a DHT11 type temperature and humidity sensor, the carbon dioxide sensor is a TGS4161 type carbon dioxide sensor, the carbon monoxide sensor is a TGS5042 type sensor, the electrochemical sensor is an MQ-135 type sensor, the laser scattering sensor is a DSM501 type sensor for detecting PM2.5, and the ammonia nitrogen sulfide sensor is an MQ-137 type sensor.

[0031] A charging battery is further arranged in the shell and connected with the temperature and humidity sensor, the carbon dioxide sensor, the carbon monoxide sensor, the electrochemical sensor, the laser scattering sensor and the ammonia nitrogen sulfide sensor, the touch display screen and the data transmission device.

[0032] In the embodiment, the control processing unit is an Arm 7 type control processing unit, the wireless data transmission unit is a Wifi unit or a 4G DTU, and the intelligent terminal is at least one smart phone or tablet computer.

[0033] The above only describes preferred embodiments of the present application and is not used to limit the present application. The present application can be changed and modified in various ways for those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A railway passenger car air quality monitoring device, characterized in that: Includes a housing (1), a fan (11) is embedded on one side of the housing (1), a touch screen (2) is provided above the housing (1), and a temperature and humidity sensor, a carbon dioxide sensor, a carbon monoxide sensor, an electrochemical sensor, a laser scattering sensor and an ammonia nitrogen sulfide sensor are fixed side by side inside the housing (1). A data transmission device (3) is fixedly provided on the back side of the housing. A control processing unit is fixedly provided inside the data transmission device (3). The temperature and humidity sensor, carbon dioxide sensor, carbon monoxide sensor, electrochemical sensor, laser scattering sensor and ammonia nitrogen sulfide sensor are all connected to the control processing unit. The touch screen is bidirectionally connected to the control processing unit. The fan is connected to the output end of the control processing unit. The control processing unit is also connected to a wireless data transmission unit, which is connected to a monitoring terminal. The monitoring terminal includes a server connected to the wireless data transmission unit, which is connected to a PC and wirelessly connected to a smart terminal.

2. The air quality monitoring device for railway passenger car carriages according to claim 1, characterized in that, The control processing unit adopts an Arm 7 type control processing unit, and the wireless data transmission unit adopts a Wi-Fi unit or a 4G DTU.

3. The air quality monitoring device for railway passenger car carriages according to claim 1, characterized in that, The temperature and humidity sensor is a DHT11 type, the carbon dioxide sensor is a TGS4161 type, the carbon monoxide sensor is a TGS5042 type, the electrochemical sensor is an MQ-135 type, the laser scattering sensor is a DSM501 type, and the ammonia nitrogen sulfide sensor is an MQ-137 type.

4. The air quality monitoring device for railway passenger car carriages according to claim 1, characterized in that, Two fans (11) are embedded on one side of the housing and are arranged side by side on one side of the housing.

5. The air quality monitoring device for railway passenger car carriages according to claim 1, characterized in that, The smart terminal is a smartphone or a tablet computer, and there is at least one smart terminal.

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