CN213023624U - Composite sensing device for traffic weather station detection - Google Patents

Abstract

The utility model discloses a composite sensing device for detecting a traffic meteorological station, which comprises an installation main pipe (1), wherein the bottom end of the installation main pipe (1) is fixedly connected with a mounting flange (11), the top end of the installation main pipe (1) is provided with a lightning rod (12), and the installation main pipe (1) is provided with a light intensity sensor (10), a wind direction sensor (13), a wind speed sensor (14), a temperature and humidity sensor (15) and a visibility sensor (16); the installation is responsible for still to install on (1) constant temperature equipment (17), and constant temperature equipment (17) are provided with sensor and hold case (173), and sensor holds case (173) and is connected with intake pipe (1731), and constant temperature equipment (17) are stretched out in intake pipe (1731). The utility model provides a compound sensing device that traffic weather station detected installs on the street for detect the air quality in block.

Description

Composite sensing device for traffic weather station detection

Technical Field

The utility model relates to a meteorological equipment technical field especially relates to a compound sensing device that traffic meteorological station detected.

Background

The air quality is closely related to the health of people, especially in big cities, because personnel focus numerous, the vehicle is numerous, coastal still often have the typhoon, the place that is close to the desert sometimes has haze, sand storm, if the poor management is close to chemical industry garden often has acid rain, acid mist, often leads to various air quality factors to exceed standard, the factor that influences the air has temperature, humidity, wind speed, wind direction, carbon dioxide, PM2.5, visibility etc..

In a large city, many high buildings separate adjacent streets, and even if the air quality of the adjacent streets is different, the air monitoring needs street distributed multipoint monitoring and real-time monitoring.

The defects of the prior art are as follows: lack a compound sensing device that traffic weather station detected, install on the street for detect the air quality in block.

SUMMERY OF THE UTILITY MODEL

In view of at least one of the drawbacks of the prior art, it is an object of the present invention to provide a composite sensing device for traffic weather station detection, which is installed on a street and used for detecting the air quality of the street.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a compound sensing device that traffic weather station detected which the key lies in: the lightning protection device comprises a mounting main pipe, wherein the bottom end of the mounting main pipe is fixedly connected with a mounting flange, the top end of the mounting main pipe is provided with a lightning rod, and the mounting main pipe is provided with a light intensity sensor, a wind direction sensor, a wind speed sensor, a temperature and humidity sensor and a visibility sensor; the installation is responsible for and is still installed constant temperature equipment, and constant temperature equipment is provided with the sensor and holds the case, and the sensor holds the case and is connected with the intake pipe, and the intake pipe stretches out constant temperature equipment.

The installation is responsible for and can be fixed in the subaerial of street through mounting flange, and the lightning rod is installed on the top of installation being responsible for, can avoid various sensors to be hit by the lightning. The device comprises a main installation pipe, a wind direction sensor, a wind speed sensor, a temperature and humidity sensor and a visibility sensor, wherein the main installation pipe is provided with a light intensity sensor, a wind direction sensor and a wind speed sensor; the temperature and humidity sensor is used for detecting the temperature and humidity of the atmosphere, and the visibility sensor is used for detecting the visibility of the atmosphere.

The sensor holds the case and is used for installing some environment detection sensor that need not directly expose in atmospheric environment, for example, carbon dioxide sensor, formaldehyde sensor, only need through intake pipe intercommunication external atmosphere can, here intake pipe business turn over air all can, because current sensor adopts semiconductor material to make or is connected with the output circuit that semiconductor material made more, receives the influence that the temperature floats easily. Particularly in a large city, a plurality of high-rise buildings exist, some sensors arranged on different streets are directly or indirectly exposed to the sun, and some sensors are not exposed to the sun, so that the temperature of the sensors is different and the influence of temperature drift is large; or the service life of the solar water heater is easily influenced by wind, rain, sunshine and the like. Place it in the sensor holds the case to through constant temperature equipment constant temperature, its detection precision is difficult to receive the influence that the temperature floats, also can avoid receiving for a long time that wind blows the rain and shines the sun and influence its life, the lead wire of sensor also can be drawn forth through the intake pipe. The air inlet pipe should be kept waterproof from entering the sensor housing box, such as with the inlet opening facing downward or sloping downward.

The thermostatic device can adjust the temperature, for example, the temperature of the sensor accommodating box is controlled to be about 25 ℃, and the temperature drift is reduced.

The lead wires of the various sensors can be led out from the inner hole of the installation main pipe to be connected to a control room, and can also be connected to other wireless output devices.

The installation is responsible for the upper portion level and is provided with the installation horizontal pole, and the wind direction sensor is installed to the one end of installation horizontal pole, and the other end of installation horizontal pole installs air velocity transducer, still installs illuminance sensor and a tripe section of thick bamboo on the installation horizontal pole, and the lateral wall of tripe section of thick bamboo is provided with the shutter, installs temperature and humidity sensor in the tripe section of thick bamboo, installs the visibility sensor on the installation is responsible for of installation horizontal pole below.

By adopting the installation cross rod, the wind direction sensor, the wind speed sensor and the temperature and humidity sensor are conveniently installed on the installation main pipe, and the side wall of the louver barrel is provided with the louver, so that the temperature and humidity sensor can be prevented from directly facing the sunlight and being drenched by rain.

The solar energy wind speed sensor is characterized in that a solar cell panel and a power box are further installed on the installation main pipe, a storage battery and a solar charging circuit are arranged in the power box, the solar cell panel charges the storage battery through the solar charging circuit, and the storage battery supplies power for a light intensity sensor, a wind direction sensor, a wind speed sensor, a temperature and humidity sensor, a constant temperature device, a visibility sensor and a temperature and voltage adjusting circuit.

The solar cell panel and the storage battery supply power for the illuminance sensor, the wind direction sensor, the wind speed sensor, the temperature and humidity sensor, the visibility sensor, the temperature and voltage regulating circuit and the constant temperature device. Power may also be supplied to an environment detection sensor mounted in the sensor housing box.

Wherein, solar charging circuit and battery are illuminance sensor, wind direction sensor, air velocity transducer, temperature and humidity sensor and visibility sensor, the circuit that the regulator circuit supplied power all adopts current ripe circuit technique, no longer gives details.

The power box comprises a box body, a box door capable of being opened is arranged in front of the box body, a box cover is arranged at the top of the box body, and a wire inlet hole is formed in the bottom of the box body.

The top that the case lid sheltered the box is used for waterproofly, and the preceding chamber door that is provided with the box can open facilitates the installation circuit. The bottom of box is provided with the entrance hole, and the power lead wire of sensor can be followed the entrance hole and introduced, prevents that the rainwater from following the power lead wire and getting into the box.

The case lid is triangular prism form and hollow, and the bottom center of case lid and the top center of box all are provided with the intercommunicating pore, and the inner chamber of box is through the inner chamber of intercommunicating pore intercommunication case lid, and the forward position of box is stretched out to the front end of case lid, and the part that the case lid stretches out the box forward position is provided with the venthole, and this venthole sets up in the bottom surface of case lid, and the venthole communicates the inner chamber of case lid.

Through the structure, hot air emitted by the electric element in the box body can escape through the communicating hole and the air outlet hole, and rainwater can be prevented from entering the box body.

A sealing ring or a waterproof structure is also arranged between the box body and the box door.

A carbon dioxide sensor is arranged in the sensor accommodating box.

The carbon dioxide sensor is used for detecting the carbon dioxide content in the atmosphere, introduces the atmosphere through the intake pipe, and the length size of intake pipe all can set up by oneself through needs.

The constant temperature equipment includes the water tank, the inner chamber lower part of water tank is provided with electric heating pipe, electric heating pipe's top is provided with the sensor and holds the case, the sensor holds the case and is connected with the intake pipe, the water tank is worn out to the intake pipe, the top surface of water tank has set firmly the vacuum pump, still be provided with temperature sensor in the water tank, water is equipped with in the water tank, the sensor holds the case and is located water level line below, the water level line is kept away from the inner chamber top of water tank and is formed the negative pressure space, the vacuum suction pipe intercommunication negative pressure space of vacuum pump, baroceptor is still installed at the inner chamber top of.

The inner cavity of the sensor accommodating box is separated from the water in the water tank by sealing.

The water in the water tank is also sealed and is communicated with the external atmosphere only through the negative pressure space and the vacuum pump.

During detection, if the temperature of water in the water tank is lower than a set temperature, the temperature and pressure regulating circuit controls the electric heating pipe to be electrified and heat the water tank, and the temperature sensor monitors the water temperature of the water tank to control the water temperature to be close to the set temperature.

If the air pressure in the negative pressure space in the water tank is higher than the set air pressure, the temperature and pressure regulating circuit controls the vacuum pump to be powered on, the air pressure in the negative pressure space at the top of the water tank is monitored through the air pressure sensor, and the water temperature is controlled to be close to the set temperature because the air pressure is different and the boiling point of water is different and the heat is taken away through the boiling of the water.

For example, when the corresponding air pressure is-95.9 kPa at 25 ℃, the air pressure is set to-95.9 kPa, the air pressure of the negative pressure space is pumped to-95.9 kPa by a vacuum pump, and the water in the water tank boils at about 25 ℃.

The thermostat can adopt devices such as a thermostat metal bath besides the structural device, and the bath barrel module of the thermostat metal bath can be modified into a sensor accommodating box, so that the thermostat metal bath is waterproof.

The sensor accommodating box is also connected with an air outlet pipe, and the air outlet pipe is provided with an air outlet valve and an air outlet fan; the sensor accommodating box is also connected with a wire outlet pipe, and the wire outlet pipe extends out of the water tank.

Through foretell structure setting, when detecting, will admit air the valve and open with the air outlet valve, the control air inlet fan rotates, and the intake pipe is breathed in, inhales the sensor with external atmosphere and holds the case, and the rotation of control air outlet fan takes the sensor to hold the gas of case outside out. Can be automatically controlled by adopting an electric technology.

The utility model provides a compound sensing device that traffic weather station detected, install on the street for detect the air quality in block.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a schematic view of the installation of a solar panel and a power box;

FIG. 3 is a block diagram of a power box;

FIG. 4 is a front view of the thermostat;

FIG. 5 is a left side view of FIG. 4;

FIG. 6 is a circuit diagram of a temperature control circuit;

fig. 7 is a circuit diagram of a pressure control circuit.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-7, a composite sensing device for detecting a traffic meteorological station includes a vertically-arranged installation main pipe 1, a mounting flange 11 is fixedly connected to the bottom end of the installation main pipe 1, a lightning rod 12 is installed at the top end of the installation main pipe 1, and a illuminance sensor 10, a wind direction sensor 13, a wind speed sensor 14, a temperature and humidity sensor 15 and a visibility sensor 16 are installed on the installation main pipe 1; still install constant temperature equipment 17 on the installation is responsible for 1, and constant temperature equipment 17 is provided with sensor and holds case 173, and sensor holds case 173 and is connected with intake pipe 1731, and thermostatic equipment 17 is stretched out to intake pipe 1731.

The main installation pipe 1 and the installation flange 11 are made of metal materials, so that lightning can be conveniently connected underground through the lightning rod 12, and the sensor is prevented from being struck by lightning.

The sensor housing 173 is used to install some environmental sensors that do not need to be directly exposed to the atmosphere, for example, a carbon dioxide sensor, and only needs to be connected to the outside atmosphere through the air inlet tube 1731. Particularly in a large city, a plurality of high-rise buildings exist, some sensors arranged on different streets are directly or indirectly exposed to the sun, and some sensors are not exposed to the sun, so that the temperature of the sensors is different and the influence of temperature drift is large; or the service life of the solar water heater is easily influenced by wind, rain, sunshine and the like. Place it in sensor containing box 173 to through constant temperature equipment 17 constant temperature, its detection precision is difficult to receive the influence that the temperature floats, also can avoid receiving for a long time that wind blows the rain and hits the sun and shine its life. The lead wires of the sensor may also be led out through an inlet tube 1731. The inlet tube 1731 should be noted as being resistant to water ingress into the sensor housing 173, such as having its inlet angled downward or downward.

The thermostat 17 can adjust the temperature, for example, to control the temperature of the sensor housing case 173 to about 25 degrees.

The lead of the sensor can be led out from the inner hole of the main installation pipe 1 and connected to the control room; the wireless communication module can also be connected to other wireless output devices, such as a management platform computer through the transmission of the microprocessor and the wireless communication module, and the wireless communication module can adopt mature technologies, which does not belong to the protection scope of the utility model.

As shown in fig. 1, an installation cross bar 18 is horizontally arranged on the upper portion of the installation main pipe 1, a wind direction sensor 13 is installed at one end of the installation cross bar 18, a wind speed sensor 14 is installed at the other end of the installation cross bar 18, a light intensity sensor 10 and a louver cylinder 151 are further installed on the installation cross bar 18, a louver is arranged on the side wall of the louver cylinder 151, a temperature and humidity sensor 15 is installed in the louver cylinder 151, and a visibility sensor 16 is installed on the installation main pipe 1 below the installation cross bar 18. The installation cross bar 18 is installed on the upper part of the installation main pipe 1 through a hoop.

By adopting the installation cross rod 18, the wind direction sensor 13, the wind speed sensor 14 and the temperature and humidity sensor 15 are conveniently installed on the installation main pipe 1, and the side wall of the shutter cylinder 151 is provided with the shutter, so that the temperature and humidity sensor 15 can be prevented from directly facing the sun and being drenched by rain.

As shown in fig. 1 and 2, the main installation pipe 1 is further provided with a solar cell panel 19 and a power box 20, a storage battery and a solar charging circuit are arranged in the power box 20, the solar cell panel 19 charges the storage battery through the solar charging circuit, and the storage battery supplies power to the illuminance sensor 10, the wind direction sensor 13, the wind speed sensor 14, the temperature and humidity sensor 15, the thermostat 17, the visibility sensor 16 and the temperature and voltage regulating circuit.

The solar cell panel 19 and the storage battery supply power for the illuminance sensor 10, the wind direction sensor 13, the wind speed sensor 14, the temperature and humidity sensor 15, the visibility sensor 16, the temperature and voltage regulating circuit and the constant temperature device 17. Power may also be supplied to an environment sensing sensor installed in the sensor receiving box 173.

The circuits of the solar charging circuit and the storage battery for supplying power to the illuminance sensor 10, the wind direction sensor 13, the wind speed sensor 14, the temperature and humidity sensor 15, the visibility sensor 16 and the temperature and voltage regulating circuit all adopt the existing mature circuit technology, and are not described again.

As shown in fig. 3, the power supply box 20 includes a box body 201, a box door 202 which can be opened is disposed on the front surface of the box body 201, a box cover 203 is disposed on the top of the box body 201, and a wire inlet hole 204 is disposed on the bottom of the box body 201. Mounting studs 207 are welded to the rear wall of the box 201.

The box cover 203 covers the top of the box body 201 for water prevention, and the front of the box body 201 is provided with a box door 202 which can be opened, so that a circuit is convenient to install. The bottom of the box body 201 is provided with a wire inlet hole 204, and a power supply lead of the sensor can be led in from the wire inlet hole 204, so that rainwater is prevented from entering the box body 201 along with the power supply lead.

The box cover 203 is triangular prism-shaped and hollow, the bottom center of the box cover 203 and the top center of the box body 201 are both provided with a communication hole 205, the inner cavity of the box body 201 is communicated with the inner cavity of the box cover 203 through the communication hole 205, the front end of the box cover 203 extends out of the front edge of the box body 201, the part of the box cover 203 extending out of the front edge of the box body 201 is provided with an air outlet 206, the air outlet 206 is arranged on the bottom surface of the box cover 203, and the air outlet 206 is communicated with.

Through the above structure, the hot air emitted from the electrical components of the box 201 can escape through the communication holes 205 and the air outlet holes 206, and the rainwater can be prevented from entering the box 201.

A sealing ring or a waterproof structure is also arranged between the box body 201 and the box door 202.

A carbon dioxide sensor and a formaldehyde sensor are disposed in the sensor accommodating box 173.

The carbon dioxide sensor is used for detecting the carbon dioxide content in the atmosphere, introduces the atmosphere through intake pipe 1731, and the length of intake pipe 1731 all can be set up by oneself through needs. The formaldehyde sensor is used for detecting the formaldehyde content in the atmosphere.

As shown in fig. 4 and 5, the thermostatic device 17 includes a water tank 171, an electric heating pipe 172 is disposed at the lower portion of an inner cavity of the water tank 171, a sensor accommodating box 173 is disposed above the electric heating pipe 172, the sensor accommodating box 173 is connected with an air inlet pipe 1731, the air inlet pipe 1731 penetrates out of the water tank 171, a vacuum pump 174 is fixedly disposed on the top surface of the water tank 171, a temperature sensor 175 is further disposed in the water tank 171, water is filled in the water tank 171, the sensor accommodating box 173 is located below a water level line, the water level line is far away from the top of the inner cavity of the water tank 171 and forms a negative pressure space, a vacuum suction pipe 1741 of the vacuum pump 174 is communicated with the negative pressure space, an air pressure sensor 176 is further mounted at the top.

As shown in fig. 6 and 7, the temperature and pressure regulating circuit includes a temperature control circuit and a pressure control circuit. Temperature sensor 175 can adopt AD590 temperature sensor, takes the stainless steel probe can directly to put into the aquatic, converts voltage signal output into through converting resistance and gives integrated fortune and puts the comparator, and when the temperature was less than the settlement threshold value, integrated fortune was put control triode Q1 and is switched on, and relay J1's coil circular telegram, and its normally open switch is closed, and electric heating pipe 172 ohmic heating is provided with the heating resistor silk in the electric heating pipe 172, otherwise then controls electric heating pipe 172 outage.

The air pressure sensor 176 can adopt a DLK210F negative pressure sensor to convert the pressure of the measured medium into standard electric signals such as 4-20 mA, 0-5 VDC, 0-10 VDC and 0.5-4.5 VDC. The working principle of the pressure control circuit is the same as that of the temperature control circuit, when the air pressure detected by the air pressure sensor 176 is higher than the set air pressure, the vacuum pump 174 is controlled to be powered on to work, otherwise, the vacuum pump 174 is controlled to be powered off, and the description is omitted.

The temperature and pressure regulating circuit can also adopt a comparison circuit made of a single chip microcomputer, and the comparison is carried out by the single chip microcomputer to control the vacuum pump 174 and the electric heating pipe 172 to work.

The inner cavity of the sensor receiving chamber 173 is separated from the water of the water tank 171 by a seal.

The water in the water tank 171 is also sealed and is communicated with the outside atmosphere only through the negative pressure space via the vacuum pump 174.

As shown in fig. 3, a float switch 178 is further disposed in the water tank 171, a water level line in the water tank 171 is monitored through the float switch 178, a water replenishing valve 179 and a window are further disposed on the top of the water tank 171, and the water replenishing valve 179 is opened to replenish water in the water tank 171. The rear part of the water tank 171 is also fixedly provided with a mounting post 1711, and the mounting post 1711 mounts the water tank 171 on the mounting pipe 1 through a hoop.

The lead wires of the float switch 178 and the temperature sensor 175 may be led out through the top of the water tank 171 or may be led out through the sensor accommodating box 173.

The air inlet pipe 1731 is further provided with an air inlet valve 1732 and an air inlet fan 1733, the sensor accommodating box 173 is further connected with an air outlet pipe 1734, and the air outlet pipe 1734 is provided with an air outlet valve 1735 and an air outlet fan 1736; the sensor accommodating case 173 is also connected with an outlet pipe 177, and the outlet pipe 177 extends out of the water tank 171.

Through above-mentioned structure setting, when detecting, open inlet valve 1732 and outlet valve 1735, control inlet fan 1733 and rotate, inlet pipe 1731 inhales, inhales the sensor containing box 173 with external atmosphere, and control outlet fan 1736 is rotatory, takes out the gas of sensor containing box 173 to the external world. Can be automatically controlled by adopting an electric technology.

The wind direction sensor 13 can adopt an FCG-19005 wind direction transmitter and can also adopt an RS-FX wind direction transmitter. The wind speed sensor 14 may employ an RS-FS-wind speed transducer.

The temperature and humidity sensor 15 may be a DHT11 temperature and humidity sensor.

Visibility sensor 16 may be an NWD-10 visibility sensor.

The illuminance sensor 10 adopts an FMS illuminance sensor or a GZD-A1-G-X-F illuminance sensor;

as shown in fig. 2, the solar cell panel 19 is installed on the installation main pipe 1 with its bracket 191 inclined at 45 degrees. The power box 20 and the bracket 191 are installed on the installation main pipe 1 through a hoop.

The constant temperature device 17 can also adopt a constant temperature metal bath, a waterproof cover is arranged on the outer face cover, the constant temperature metal bath is only provided with a bath barrel, the bath barrel forms the sensor accommodating box 173, the bath barrel is provided with an air inlet pipe 1731, the air inlet pipe 1731 is communicated with the outside atmosphere, air quality sensors such as carbon dioxide and the like are arranged in the bath barrel, the MINIB-100F mini metal bath can be adopted, the bath barrel is properly modified, the structure is not repeated, and the attached drawing of the specification is omitted. Lead wires for an air quality sensor such as carbon dioxide may be led out from the inlet tube 1731.

Finally, it is noted that: the above list is only the concrete implementation example of the present invention, and of course those skilled in the art can make modifications and variations to the present invention, and if these modifications and variations fall within the scope of the claims of the present invention and their equivalent technology, they should be considered as the protection scope of the present invention.

Claims (8)

1. The composite sensing device for the detection of the traffic meteorological station is characterized by comprising an installation main pipe (1), wherein the bottom end of the installation main pipe (1) is fixedly connected with a mounting flange (11), the top end of the installation main pipe (1) is provided with a lightning rod (12), and the installation main pipe (1) is provided with a illuminance sensor (10), a wind direction sensor (13), a wind speed sensor (14), a temperature and humidity sensor (15) and a visibility sensor (16); the installation is responsible for still to install on (1) constant temperature equipment (17), and constant temperature equipment (17) are provided with sensor and hold case (173), and sensor holds case (173) and is connected with intake pipe (1731), and constant temperature equipment (17) are stretched out in intake pipe (1731).

2. The composite sensing device for the detection of the traffic weather station as claimed in claim 1, wherein: the installation is responsible for the upper portion level of (1) and is provided with installation horizontal pole (18), and wind direction sensor (13) are installed to the one end of installation horizontal pole (18), and wind speed sensor (14) are installed to the other end of installation horizontal pole (18), still install illuminance sensor (10) and a tripe section of thick bamboo (151) on installation horizontal pole (18), and the lateral wall of tripe section of thick bamboo (151) is provided with the shutter, installs temperature and humidity sensor (15) in tripe section of thick bamboo (151), installs visibility sensor (16) on the installation is responsible for (1) of installation horizontal pole (18) below.

3. The composite sensing device for the detection of the traffic weather station as claimed in claim 1, wherein: the solar energy wind power generation system is characterized in that a solar cell panel (19) and a power box (20) are further installed on the installation main pipe (1), a storage battery and a solar charging circuit are arranged in the power box (20), the solar cell panel (19) charges the storage battery through the solar charging circuit, and the storage battery supplies power for a illuminance sensor (10), a wind direction sensor (13), a wind speed sensor (14), a temperature and humidity sensor (15), a constant temperature device (17) and a visibility sensor (16).

4. A composite sensing device for traffic weather station detection according to claim 3, wherein: the power box (20) comprises a box body (201), a box door (202) capable of being opened is arranged in front of the box body (201), a box cover (203) is arranged at the top of the box body (201), and a wire inlet hole (204) is formed in the bottom of the box body (201).

5. The composite sensing device for the detection of the traffic weather station as claimed in claim 4, wherein: the box cover (203) is triangular prism-shaped and hollow, the bottom center of the box cover (203) and the top center of the box body (201) are both provided with a communication hole (205), the inner cavity of the box body (201) is communicated with the inner cavity of the box cover (203) through the communication hole (205), the front end of the box cover (203) stretches out of the front edge of the box body (201), the part of the box cover (203) stretching out of the front edge of the box body (201) is provided with an air outlet hole (206), the air outlet hole (206) is arranged on the bottom surface of the box cover (203), and the air outlet hole (206) is communicated with the inner cavity.

6. The composite sensing device for the detection of the traffic weather station as claimed in claim 1, wherein: a carbon dioxide sensor is arranged in the sensor accommodating box (173).

7. The composite sensing device for the detection of the traffic weather station as claimed in claim 1, wherein: the constant temperature device (17) comprises a water tank (171), an electric heating pipe (172) is arranged on the lower portion of an inner cavity of the water tank (171), a sensor containing box (173) is arranged above the electric heating pipe (172), the sensor containing box (173) is connected with an air inlet pipe (1731), the air inlet pipe (1731) penetrates out of the water tank (171), a vacuum pump (174) is fixedly arranged on the top surface of the water tank (171), a temperature sensor (175) is further arranged in the water tank (171), water is filled in the water tank (171), the sensor containing box (173) is located below a water level line, the water level line is far away from the top of the inner cavity of the water tank (171) and forms a negative pressure space, a vacuum suction pipe (1741) of the vacuum pump (174) is communicated with the negative pressure space, an air pressure sensor (, the temperature sensor (175) and the air pressure sensor (176) are connected with a temperature and pressure regulating circuit.

8. The composite sensing device for the detection of the traffic weather station as claimed in claim 7, wherein: the air inlet pipe (1731) is further provided with an air inlet valve (1732) and an air inlet fan (1733), the sensor accommodating box (173) is further connected with an air outlet pipe (1734), and the air outlet pipe (1734) is provided with an air outlet valve (1735) and an air outlet fan (1736); the sensor accommodating box (173) is also connected with a wire outlet pipe (177), and the wire outlet pipe (177) extends out of the water tank (171).

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