CN216621248U

CN216621248U - Special microenvironment composite sensor for rail transit

Info

Publication number: CN216621248U
Application number: CN202122898387.5U
Authority: CN
Inventors: 孙亚新; 李文波; 田华; 李岩峰; 赵峥; 石亚朋; 李玉丹; 吕明雪
Original assignee: Beijing Cornerstone Sensor Information Service Co ltd
Current assignee: Beijing Cornerstone Sensor Information Service Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-27
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a special microenvironment composite sensor for rail transit, which comprises a sensor shell and an MCU arranged in the sensor shell, wherein the MCU is integrated with but not limited to a temperature sensor, a humidity sensor, a TVOC, a PM sensor, an illuminance sensor and a noise sensor, and the sensor shell is provided with an air inlet and an air outlet. The sensor adopts a plurality of sensors to be compounded, a single sensor can complete the measurement of a plurality of environmental parameters such as triaxial acceleration (vibration), temperature, humidity, air pressure, TVOC, noise, illumination, PM0.5 and the like, and the light weight and intensive deployment is realized. The special microenvironment compound sensor for the rail transit integrates information perception, front-end operation and data communication. Based on MEMS technique, small, the sensitivity is high, and gas sample collection adopts the initiative, compares and spreads the formula detection efficiency higher. The special microenvironment compound sensor for the rail transit can be applied to environment monitoring of various machine rooms such as an electric power machine room, a communication machine room and a data machine room.

Description

Special microenvironment composite sensor for rail transit

Technical Field

The utility model relates to the technical field of composite sensors, in particular to a special microenvironment composite sensor for rail transit.

Background

Present environmental monitoring sensor monitoring content is single, and is less to environmental monitoring in computer lab, the rack, and most environmental monitoring content only has traditional temperature, humidity, mostly is analog output, needs follow-up hardware to support data conversion, communication, and monitoring content is less, can't reflect computer lab, rack environmental status relatively comprehensively.

Therefore, a composite sensor capable of comprehensively testing the micro environments in the machine room and the cabinet is urgently needed to be found.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special microenvironment composite sensor for rail transit, so as to solve the problems in the prior art.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a special microenvironment composite sensor of track traffic, includes sensor housing and sets up the inside MCU of sensor housing, integrated including but not limited to temperature sensor, humidity transducer, TVOC and noise sensor on the MCU, last inlet port and the venthole of being provided with of sensor housing.

Preferably, an M12 aviation plug is further arranged on the sensor shell, and the M12 aviation plug is connected with the MCU.

Preferably, a vacuum pump is further arranged in the sensor shell, and the vacuum pump is connected with the MCU and used for rapidly acquiring air around the composite sensor to enter from the air inlet.

Preferably, the air inlet hole and the air outlet hole are arranged at the upper end of the sensor shell, and the M12 aviation plug is arranged at the bottom of the sensor shell.

Preferably, the air inlet is arranged on the front face of the sensor shell, and the air outlet is arranged on the side faces of two sides of the sensor shell.

Preferably, the back of the sensor shell is further provided with a mounting hole.

Preferably, the air outlet hole and the M12 aviation plug are arranged at one end of the sensor shell, and the air inlet hole is arranged at the other end of the sensor shell.

Preferably, the microenvironment compound sensor special for rail transit further comprises a PM sensor and an illuminance sensor, and the PM sensor and the illuminance sensor are connected to the MCU.

The utility model has the beneficial effects that:

the utility model provides a special microenvironment composite sensor for rail transit, which is compounded by adopting a plurality of sensors, and a single sensor can complete the measurement of a plurality of environment parameters such as triaxial acceleration (vibration), temperature, humidity, air pressure, TVOC, noise, illumination, PM0.5 and the like, thereby realizing light weight and intensive deployment. The special microenvironment compound sensor for the rail transit integrates information perception, front-end operation and data communication. Based on MEMS technique, small, the sensitivity is high, and gas sample collection adopts the active, compares and spreads the formula detection efficiency higher. The special microenvironment composite sensor for the rail transit can be applied to environment monitoring of various machine rooms such as an electric power machine room, a communication machine room and a data machine room.

Drawings

Fig. 1 is a front view of a micro-environment composite sensor dedicated for rail transit provided in embodiment 1;

fig. 2 is a side view of the micro-environment composite sensor special for rail transit provided in embodiment 1;

fig. 3 is a rear view of the micro-environment composite sensor for rail transit provided in embodiment 1;

fig. 4 is a perspective view of the micro-environment composite sensor special for rail transit provided in embodiment 2;

1 is the sensor shell, 2 is the inlet port, 3 is M12 aviation plug, 4 is the venthole, 5 is the mounting hole.

Fig. 5 is a schematic block diagram of the micro-environment composite sensor dedicated for rail transit provided in embodiment 1;

fig. 6 is a schematic block diagram of the micro-environment composite sensor for rail transit provided in embodiment 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

Examples

The embodiment provides a microenvironment composite sensor special for rail transit, which comprises a sensor shell and an MCU (microprogrammed control unit) arranged in the sensor shell, wherein the MCU is integrated with a temperature sensor, a humidity sensor, a TVOC (transient overvoltage protection), a PM (particulate matter) sensor, an illuminance sensor and a noise sensor, and a schematic block diagram is shown in FIG. 5; the sensor shell is provided with an air inlet hole and an air outlet hole, the air inlet hole and the air outlet hole are arranged at the upper end of the sensor shell, the air inlet hole is arranged on the front surface of the sensor shell, as shown in figure 1, and the air outlet hole is arranged on the side surfaces of two sides of the sensor shell, as shown in figure 2; the sensor shell is also provided with an M12 aviation plug, and the M12 aviation plug is connected with the MCU and arranged at the bottom of the sensor shell.

In this embodiment, a vacuum pump is further arranged in the sensor housing, and the vacuum pump is connected with the MCU and used for rapidly acquiring air around the composite sensor from the air inlet.

For better installation, the back of the sensor housing of the coincidence sensor provided in this embodiment is further provided with an installation hole, as shown in fig. 3.

The special microenvironment composite sensor for the rail transit provided in the embodiment is mainly used in a machine room of the rail transit and is fixedly installed on a wall surface.

Example 2

The embodiment provides a special microenvironment composite sensor for rail transit, which is mainly used in a cabinet for rail transit, has small volume, can be directly placed in the cabinet, and comprises a sensor shell and an MCU arranged inside the sensor shell, wherein the MCU is integrated with a temperature sensor, a humidity sensor, a TVOC (transient voltage transient overvoltage) and a noise sensor, and is also integrated with a chip capable of testing air pressure and a magnetic field, the connection relation of the chip is shown in FIG. 6, and the sensor shell is provided with an air inlet and an air outlet. The air outlet hole and the M12 aviation plug are arranged at one end of the sensor shell, and the air inlet hole is arranged at the other end of the sensor shell.

Air in the rack in the above-mentioned embodiment is under brownian motion's effect, gets into the temperature and humidity that sensor process humiture, TVOC sensor detected the environment through the inlet port, and noise sensor detects the environment index simultaneously.

Each sensor in this embodiment can support front-end operation, and the data of gathering can save on the spot, handle, and algorithm, strategy are preceding to be placed in the sensor end, need not central power of calculation and support and can accomplish the analysis and processing of data, can carry out multidimensional data coupling analysis, and direct output operation result reduces network communication load and high in the clouds pressure.

The M12 aviation interface CAN be connected with an upper computer, multiple communication modes such as CAN-FD high-speed bus communication, RS485, eMTC, Ethernet, LoRaWAN narrow-band wireless communication, BLE/iBEACON near field communication and the like are supported, all digital output is achieved, and personalized communication requirements of different sites are met. The brand-new OpenData (open data) concept can provide barrier-free data sharing for other related systems, and provides data support for full-system fine management and control.

By adopting the technical scheme disclosed by the utility model, the following beneficial effects are obtained:

the special microenvironment composite sensor for the rail transit can be applied to environment monitoring of various machine rooms such as an electric power machine room, a communication machine room and a data machine room. The special microenvironment compound sensor for the rail transit integrates information perception, front-end operation and data communication. Based on MEMS technique, small volume and high sensitivity. The sensor highly integrates the design, and a plurality of environmental parameters such as triaxial acceleration (vibration), temperature, humidity, atmospheric pressure, TVOC, noise, illuminance, PM0.5 can be accomplished to single sensor and measure, realize lightweight, intensification deployment. The gas sample collection is active, and the detection efficiency is higher compared with the diffusion detection.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements should also be considered within the scope of the present invention.

Claims

1. The utility model provides a special microenvironment composite sensor of track traffic, its characterized in that includes sensor housing and sets up the inside MCU of sensor housing, integrated including but not limited to temperature sensor, humidity transducer, TVOC and noise sensor on the MCU, last inlet port and the venthole of being provided with of sensor housing.

2. The special microenvironment composite sensor for rail transit of claim 1, wherein the sensor housing is further provided with an M12 aviation plug, and the M12 aviation plug is connected with the MCU.

3. The special microenvironment compound sensor for rail transit of claim 1, wherein a vacuum pump is further disposed in the sensor housing, and the vacuum pump is connected to the MCU and used for rapidly acquiring air around the compound sensor entering from the air inlet.

4. The special microenvironment composite sensor for rail transit of claim 2, wherein the air inlet hole and the air outlet hole are arranged at the upper end of the sensor housing, and the M12 aviation plug is arranged at the bottom of the sensor housing.

5. The special microenvironment composite sensor for rail transit of claim 4, wherein the air inlet hole is disposed on a front surface of the sensor housing, and the air outlet hole is disposed on both side surfaces of the sensor housing.

6. The special microenvironment composite sensor for rail transit of claim 5, wherein the back surface of the sensor housing is further provided with a mounting hole.

7. The special microenvironment composite sensor for rail transit of claim 2, wherein the air outlet hole and the M12 aviation plug are disposed at one end of a sensor housing, and the air inlet hole is disposed at the other end of the sensor housing.

8. The special microenvironment composite sensor for rail transit of claim 1, further comprising a PM sensor and an illuminance sensor, wherein the PM sensor and the illuminance sensor are connected to the MCU.