45results about How to "Real-time monitoring of ambient temperature" patented technology

The invention provides a control box, an intelligent toilet and bathroom system and a control method thereof. The control box comprises a box body, a circuit board assembly and a mounting base. The circuit board assembly is mounted in the box body and comprises a CPU module, a display screen, a sound control module, a wireless module, a gesture induction module and a human body induction module. The human body induction module is connected with the CPU module for identifying a human body approaching signal and transmitting the human body approaching signal to the CPU module, thereby making the CPU module arouse a control box. The gesture induction module is connected with the CPU module for identifying a gesture signal and transmitting the gesture signal to the CPU module, thereby making the CPU module control action of a toilet and bathroom terminal. The sound control module is connected with the CPU module for identifying a sound signal and transmitting the sound signal to the CPU module, thereby making the CPU module control action of the toilet and bathroom terminal. The wireless module is connected with the CPU module. The display screen is connected with the CPU module for displaying state information of the toilet and bathroom terminal. The control box, the intelligent toilet and bathroom system and the control method thereof have advantages of simple and easy operation, remote control for the toilet and bathroom equipment, and effective reduction of waiting time. Furthermore the control box, the intelligent toilet and bathroom system and the control method make intelligence close to life.

The invention discloses an evaluation method and device for consistency of busbar temperature rise, and relates to the technical field of battery connecting pieces. The evaluation method and device for consistency of the busbar temperature rise is used for facilitating type selection of busbars. The evaluation method for consistency of the busbar temperature rise comprises the following steps of (1) applying first current to each busbar of a set of busbars to be detected, carrying out real-time collection and recording of temperature parameters of each busbar, (2) calculating a temperature rise value of each busbar when the first current passes through each busbar according to the recorded temperature parameters, (3) calculating an average temperature rise value of the busbars to be detected according to the temperature rise values of the busbars, (4) calculating a temperature rise standard difference of the busbars to be detected when the first current passes through the busbars according to the temperature rise values of the busbars and the average temperature rise value of the busbars to be detected, (5) judging the consistency of the temperature rise of the busbars to be detected when the first current passes through the busbars according to the temperature rise standard difference. The evaluation method for consistency of the busbar temperature rise is used for type selection of the busbars.

The invention provides a fire pre-judging and extinguishing system for a storage battery pack of a direct current power system. The system comprises a remote monitoring layer, a network communicatinglayer and a station end equipment layer. The invention provides a fire pre-judging and extinguishing method for the storage battery pack of the direct current power system at the same time. The station end equipment layer collects operation state information of the storage battery pack. By means of the network communicating layer, the information is transferred to a data center server, and then distributed to all remote monitoring terminals of the remote monitoring layer. According to the system, by collecting the operation state information of storage battery pack voltage, single-body voltage, inner resistance, temperature, charging and discharging current and the like of the storage battery pack, working state information of an outlet fuse or breaker of the storage battery pack, workingstate information of a charger, combustible gas smoke alarm information and the like are monitored online, the integrated comprehensive fire pre-judging and extinguishing system is put up, by the adoption of multiple monitoring measures, monitoring is accurate and in time, the loss caused by fires can be reduced to the largest extent, and safe and stable operation of the direct current power system is guaranteed.

Disclosed is a blade dynamic frequency test apparatus using magnetic excitation. A magnetic exciter is used for applying an excitation force to a rotating blade, a strain gage is used for sensing blade vibration information, a signal transmitter transmits the blade vibration information sensed by the strain gage in real time via radio, and a signal receiver receives the collected blade vibration information in real time via a receiving antenna and transmits the blade vibration information to a multi-channel controller. Multiple input and output channels of a magnetic tape recorder are connected with the multi-channel signal controller and used for storing the blade vibration information of each channel. The multi-channel signal controller selects one- or multi-channel signals for a data analyzer for analyzing blade vibration characteristics. A thermometer, a tachometer and an oscilloscope are used for monitoring the temperature near the signal transmitter, the rotor velocity and signals of different channels in real time respectively. The invention solves the problem that a blade vibration frequency test using gas excitation would cause over temperature of equipment, and the invention is simple in structure, high in safety, low in cost, pollution-free, and capable of meeting blade vibration frequency test requirements.

The invention discloses an uninterruptible power supply intelligent online monitoring and warning system platform. According to the invention, a remote background monitoring system is connected with a GIS information system through an information transmission module in a GIS information unit; the remote background monitoring system is connected with a battery data collecting unit through a signal control and information transmission line; the battery data collecting unit is connected with the GIS information system through a positioning module; a battery monitoring unit is connected with the battery data collecting unit through a bus transmission module. According to the invention, the system platform ensures that deteriorated batteries are found in time; warning is carried out for batteries to be disabled in advance; potential hidden dangers are eliminated; the safety of a UPS system is ensured; the safety of the entire power supply system is ensured; a monitoring result can be used as a reliable basis for a user to replace batteries; and the battery usage cost of the user is minimized.

The invention discloses a power distribution cabinet with an intelligent monitoring temperature control function. The power distribution cabinet also comprises a temperature control relay, a temperature sensor, a humidity sensor, an acquisition unit and a communication module arranged in a cabinet body, wherein the acquisition unit collects the temperature and humidity of the cabinet body; the temperature sensor and the humidity sensor send the collected temperature and humidity data of the cabinet body into an on-site host controller through the communication module, and the host controller controls the switch of the temperature control relay through the communication module, and sends out an alerting signal. According to the power distribution cabinet with the intelligent monitoring temperature control function, through the manner, the environment temperature inside the power distribution cabinet can be timely monitored, when the temperature exceeds the early-warning range, the temperature control relay is switched off, the working of the power distribution cabinet is temporarily stopped, and early warning is generated, so that a manager is conveniently informed to effectively maintain the power distribution cabinet, operation is safer, personal safety is guaranteed, and the service life of the power distribution cabinet is prolonged.

The invention discloses a power distribution cabinet with a monitoring function. The power distribution cabinet comprises a cabinet body, a temperature detection warning indicator and a clamping groove, wherein the temperature detection warning indicator is arranged at the top of the cabinet body, the clamping groove is formed in a cabinet door, a ventilation device is arranged at the bottom of the cabinet body, a maintenance record book and a recording pen are arranged in the clamping groove of the cabinet body, and an electronic watch is arranged above the clamping groove. The power distribution cabinet is simple in structural design, the environment temperature inside the power distribution cabinet can be monitored in real time, and early warning is produced when the temperature excesses an early warning range, so that management staff are notified and maintain the power distribution cabinet effectively; the power distribution cabinet operates more safely, and meanwhile the management staff can set time so as to maintain the power distribution cabinet periodically and can record using situations of the power distribution cabinet timely and accurately.

The invention discloses a control method of an air conditioner and the air conditioner using the same. The control method comprises the steps that whether filth blockage happens to the air conditioner or not is judged according to the windward side temperature and the leeward side temperature of an evaporator; when it is judged that the filth blockage occurs, a corresponding cleaning and sterilizing level is determined according to the windward side temperature and the leeward side temperature; the initial operation frequency of a compressor in the air conditioner is calculated according to the dew point temperature, the temperature of an inner pipe of the evaporator and the cleaning and sterilizing level, and the rotating speeds of an air deflector at an air inlet, an air deflector at an air outlet and an inner fan of the air conditioner are adjusted to a cleaning and sterilizing initial state; and the air conditioner controls the operation frequency of the compressor according to a corresponding working stage in the cleaning and sterilizing process, and the rotating speeds of the air deflector at the air inlet, the air deflector at the air outlet and the inner fan are adjusted so as to clean and sterilize the air conditioner.

The invention relates to the technical field of fire protection, in particular to a fire prevention method for a house building. In the method, a fire resisting window is used; the fire resisting window comprises a window frame and a fireproof plate, and further comprises a limiting plate, a resetting mechanism, a limiting mechanism, a box body, a protective mechanism and a temperature detection mechanism. According to the fire prevention method for the house building, in a moving process of the window, a clamping block is matched together with a clamping slot to realize limitation to the fireproof plate; furthermore, both the fireproof plate and the clamping slot are of right triangle shapes, and the bevel edges are distributed in an outwards turning direction of the fireproof plate, so that the fireproof plate can turn outwards in a single direction and is clamped and limited at a required position; when the window is required to be closed, only a pressure plate is pressed to enablethe clamping block to be separated from the clamping slot, and the fireproof plate can be quickly closed under the driving of the resetting mechanism; the temperature detection mechanism can monitor the environmental temperature in real time; when the temperature reaches fire alarming temperature, the protective mechanism can be switched on to drive the pressure plate to move down to enable the clamping block to be separated from the clamping slot, so that the window is automatically closed.

The application provides a pesticide residue detection method and system. The method comprises the following steps: extracting a to-be-detected sample solution; detecting the to-be-detected sample solution by using a pesticide residue detection device, and collecting a standard color development image being a color development image of a sample solution without pesticide residues and a pesticide residue color development image being a color development image of the to-be-detected sample solution of the pesticide residue detection device; calculating a pesticide residue rate according to the standard color development image and the pesticide residue color development image; and inputting the pesticide residue rate into a pre-constructed pesticide residue rate and pesticide residue concentration relation model to obtain the pesticide residue concentration. The method has the advantages of being high in detection speed, suitable for field detection, high in detection accuracy, easy to operate, convenient to carry, low in investment cost and the like.

The invention provides an unmanned intelligent inspection system and method applied to an offshore booster station. The system comprises an inspection terminal and a supervision center, the inspection terminal comprises a robot body, a monitoring instrument, a power supply system and a communication system, and the monitoring instrument is arranged on the robot body. The monitoring instrument comprises a visible light camera, an infrared thermal imager, a gas detector and a sound pickup; the power supply system supplies power to the robot body, the monitoring instrument and the communication system; the communication system comprises a network bridge device installed on the robot and a wireless working group formed by a plurality of wireless network bridges of a station, and the supervision center is in communication connection with the inspection tour terminal; the robot body is further provided with a laser radar. The system completes the access and storage of the data collected by the inspection terminal, processes the collected data based on an image recognition analysis method, obtains the operation state of each cabin of the booster station, achieves the comprehensive coverage of the key monitoring area and inspection content of the offshore booster station, and reduces the potential loss caused by human factors such as the detection missing and false detection of field personnel.

The invention discloses an electric vehicle thermal management system and device. The system comprises a first loop system and a second loop system which are used for heating and cooling an electric vehicle power battery, the first loop system comprises a first water pump, a second water pump, a water heater, a heat exchanger and a power battery, and the output end of the first water pump is connected to the input end of the water heater. According to the electric vehicle thermal management system and device, a passenger compartment can be heated or cooled in the running process of the electric vehicle, and heat preservation or cooling of the power battery is achieved; meanwhile, when the electric vehicle is in a static state, the environment temperature of the power battery is monitored in real time, a low-voltage battery is combined to preserve heat of the power battery to a certain extent, the service life of the power battery is effectively prolonged, and a low-temperature signal can be transmitted to a mobile phone of a user through a wireless signal transmitter, so that the user can take heat preservation measures in time.

The invention discloses a ventilation device of an air compression station cabinet. The ventilation device comprises a cabinet body, an exhaust mechanism is arranged in the cabinet body, and the exhaust mechanism is connected with a cooling mechanism; the exhaust mechanism is used for air exhaust and heat dissipation in the cabinet. The cooling mechanism is used for cooling air entering the cabinet; the exhaust mechanism comprises an air inlet pipe, an air conveying pipe, a drying box and an air inlet fan. One end of the air inlet pipe is connected with the cooling mechanism; one end of the air conveying pipe is connected with the cooling mechanism; the other end of the air conveying pipe penetrates through the inner wall of the cabinet body and is connected with the lower part of the drying box in a penetrating manner; the air inlet fan is installed in the air conveying pipe; according to the ventilation device of the air compression station cabinet, the temperature in the cabinet body can be monitored in time, heat dissipation can be conducted on the cabinet body, hot air is pumped out of the cabinet body, cooling air enters the cabinet body, the cooling speed is high, air dehumidification can be conducted, and equipment in the cabinet body is prevented from being affected with damp.

The invention discloses a flexible mineral fire-proof photoelectric composite cable which comprises cable parts, optical cables, a mineral layer, a wrapping tape and an outer sheath, wherein at least one optical cable in the optical cables comprises a single-core multimode fiber and a single mode fiber with at least one core; the single-core multimode fiber and the single mode fiber are twisted together; the multimode fibers can be connected with a DTS; the cable parts and the optical cables are located in the mineral layer on the radial inner side of the outer sheath and fixed by the wrapping tape. The flexible mineral fire-proof photoelectric composite cable additionally has an optical cable signal transmission function based on a fire-proof cable and is internally provided with the multimode fibers as temperature sensors; the latest DTS is applied for real-time monitoring of the internal temperature of the cable; a fire risk caused by the cable can be eliminated; the special cable has a certain intelligent application basis.

The invention discloses a method for preventing solution crystallization. The method comprises the following steps of monitoring environment temperature and concentration of a solution in real time, judging that there are crystals in the solution when the environment temperature is lower than a first preset value after being monitored, and the concentration of the solution is lower than a second preset value; and removing the crystals in the solution by employing an ultrasonic wave. The invention further discloses a device for preventing solution crystallization and a solution storage tank. Byemploying the embodiments of the invention, solution crystallization can be effectively prevented on the premise that solution quality is not destroyed, and safety is high.

The invention discloses fault current limiter monitoring equipment. The fault current limiter monitoring equipment comprises an equipment end and a remote control end, wherein the equipment end comprises a master controller, a signal acquisition module, a wireless emission module, a power supply module and a human-computer interaction module, and the remote control end comprises an AC / DC power module a wireless receiving module and a laptop computer. Aiming at the defect of current fault limiter monitoring equipment, the fault current limiter monitoring equipment has the characteristics of high automation, comprehensive information monitoring, high efficiency, wireless far-end monitoring and the like, voltage, current, temperature, humidity and noise monitoring and far-end data viewing ofa fault current limiter can be achieved, various warning signals are provided, on-line and real-time monitoring is achieved, the fault rate of the fault current limiter is reduced, and the running reliability of a power grid is provided.

The invention provides a distribution cabinet safety monitoring device with temperature detection and a monitoring method thereof. The device is composed of a microprocessor module, a voltage and current parameter acquisition module, a multipath temperature acquisition module, a communication module, a storage module and a power source module; the microprocessor module is connected with the voltage and current parameter acquisition module, the multipath temperature acquisition module, the communication module, the storage module and the power source module respectively through SPI (Serial Peripheral Interfaces), serial ports and a monobus; meanwhile, the monitoring device is in data communication with an upper computer or a network relay arranged at the outside of the device through the communication module, thereby realizing the real-time monitoring purpose. The distribution cabinet safety monitoring device with temperature detection has a high integration level, strong real-time performances and flexible configuration and can monitor the environmental temperature in real time; meanwhile, a control and acquisition split structure is adopted, so that convenience is brought to installation; the whole structure adopts modular design and installation, so that the product working efficiency is increased extremely, maintenance difficulty, time and cost of a system are reduced efficiently, and the system is enabled to have capabilities of quick replacement and quick extension.

The invention discloses a 5G communication light-operated lighting system based on the Internet in the field of lighting systems. The system comprises a plurality of lighting systems composed of control devices and lighting devices, and a master control terminal in communication connection with the lighting systems through wireless transceivers. The control device comprises an optical sensor, a processing circuit I and a wireless transceiver; the lighting device comprises a light-emitting device connected with the master control end. A drive circuit of the light-emitting device is adjusted according to the first control signal; the master control end comprises a wireless transceiver connected with a control circuit; the control circuit adjusts a drive circuit I of the light-emitting deviceaccording to the first control signal; a wireless transceiver based on the 5G technology is adopted. The intelligent lamp controller can be connected with more than 20 devices at the same time, massive data support each intelligent lamp to achieve accurate control, power consumption is small, long-distance signals are stable, transmission speed and information are fast and effective, wireless network requirements of intelligent lighting are met, the intelligent lamp controller has the functions of real-time control and no time delay, and personalized customization is achieved more easily andconveniently.

The invention provides an atomization head which solves the problem that due to the fact that a large number of bacteria are likely to be accumulated in the atomization head, water mist influences thehuman health. According to the technical scheme, the atomization head is mainly characterized in that a base and a deep ultraviolet LED lamp are included, an atomization cavity is formed the top of the base, an atomization plate is arranged in the atomization cavity, a circuit board is arranged in the base, and the wave length of the deep ultraviolet LED lamp adopts a UVC waveband; and the deep ultraviolet LED lamp can sterilize and purify water, the cleanliness of water mist obtained after atomization is improved, the sterilization capacity of ultraviolet light in the UVC waveband is higher,the cleanliness of the water mist is higher, and therefore the problem that due to the fact that a large number of bacteria are accumulated in the atomization head, the water mist obtained after atomization influences the human health is prevented. The invention further provides an atomization amount adjusting method based on the atomization head. By detecting the environment temperature and theenvironment humidity, the atomization amount can be automatically adjusted, and the applicability in different environments is improved.

The invention discloses an anti-collision and anti-freezing outdoor fire hydrant with a self-illumination function. The anti-collision and anti-freezing outdoor fire hydrant comprises a fire hydrant body, a lower anti-collision shell and an upper protective cover, a stretchable anti-collision plate with an anti-collision strip on the outer side is arranged on the anti-collision shell, the anti-collision plate is fixed to a positioning plate through a limiting part, and a first pressure sensor abuts against the anti-collision plate through a second spring; an air bag connected with an air pumpis arranged on the inner side of the anti-collision plate, and a temperature sensor and a heating wire connected with a storage battery are arranged in the anti-collision shell; the protective cover comprises an upper cover body and a lower cover body, the lower cover body is inserted into the anti-collision shell and abuts against a second pressure sensor, the upper cover body is arranged on thelower cover body and abuts against a third pressure sensor, the upper cover body and the lower cover body are in sliding connection, and a solar panel connected with the storage battery, an alarm device and a lighting device are arranged on the upper cover body; and the functions of the modules of the fire hydrant are automatically controlled by a controller. The anti-collision and anti-freezing outdoor fire hydrant can greatly improve the anti-collision effect, the fire hydrant body is prevented from being frozen and damaged in cold weather, illumination can be provided for rescue actions, and the purpose of rapidly using the fire hydrant is achieved.

The invention discloses a new energy vehicle power battery thermal management system in the technical field of new energy vehicles, which comprises a power battery system and a management monitoring system; a radiator is arranged on one side of a power battery, the radiator is connected with an expansion water tank through a pipeline, and a main control module is electrically connected with a battery pack management module; the management monitoring system is electrically and bidirectionally connected with the power battery; the temperature of the battery pack is monitored, the temperature of the battery pack is compared with the preset temperature value, if the temperature is lower than or exceeds the preset temperature value, the environment temperature of the power battery is monitored in real time, heat preservation is conducted on the power battery to a certain degree in combination with the low-voltage battery, and the service life of the power battery is effectively prolonged; the actual discharge power of the power battery is limited below the maximum allowable discharge power of the power battery by controlling the actual power output of the motor in real time, so that the generation of the over-limit power of the power battery is controlled, and the safety and reliability of the power battery are improved.

The invention discloses a rapid prefabrication and maintenance method for railway T-beams in high-cold and high-altitude areas, and a complete set of rapid construction method for the T-beams is formed by researching a winter prefabrication technology for railway simply-supported T-beams in the high-cold and high-altitude areas. And by summarizing a concrete production technology, a pumping distribution and concrete vibrating technology, an automatic tensioning technology, an automatic grouting technology and an anchor sealing concrete heat preservation and moisture preservation maintenance technology, guarantee is provided for improving the quick construction efficiency and the product quality of the T beam in winter, and a set of complete, reasonable, reliable and efficient construction method is formed.

The invention provides an intelligent deicing mechanical arm capable of adjusting arm power and walking and a using method. The intelligent deicing mechanical arm comprises a carrying device, whereina tooth surface sliding bar is mounted at the bottom of the carrying device, a first fixed mechanical arm and a second fixed mechanical arm for clamping and fixing a transmission cable are symmetrically and fixedly mounted at two ends of the tooth surface sliding bar, and a monitoring device is fixedly mounted on the top of the carrying device; an ice crushing mechanical hand assembly for crushingcoated ice and a deslagging mechanical hand assembly for deslagging are mounted at the bottom of the carrying device; the tooth surface sliding bar is engaged with a toothed walking wheel mounted inside the carrying device for transmission, and is used for driving the carrying device to walk along the tooth surface sliding bar. According to the intelligent deicing mechanical arm, the thickness ofthe coated ice can be sensed, and then the mechanical arm force is adjustable conveniently, the abrasion of wires is reduced, and the mechanical arm is convenient to walk.

The invention discloses a system for monitoring the sleeping state of a baby. The system comprises a wearable device, a control module is arranged in the wearable device, and the control module is connected with an information collection module and a reminding module. The control module is used for judging whether the collection temperature is larger than or smaller than a preset temperature or not and judging whether a baby cries or not, and sending an instruction to the reminding module; the information collection module is used for acquiring ambient temperature and sound of the baby; the reminding module is used for receiving instructions of the control module and sending warning signals; the surrounding temperature of the baby is monitored in real time to prevent the baby from kickingthe quilt to get sick; and a sound collection unit detects whether the baby cries or not and gives an alarm to a guardian in time.

The invention discloses an anti-collision and anti-freeze outdoor fire hydrant with self-illumination function, which comprises a fire hydrant body, a lower anti-collision shell and an upper protective cover. The anti-collision plate is fixed by the limiting part and the positioning plate, and the first pressure sensor is resisted by the second spring. The inner side of the anti-collision plate is provided with an airbag connected to the air pump, and the anti-collision shell is provided with a temperature sensor and a heating wire connected to the battery. The protective cover includes an upper and lower cover body, the lower cover body is inserted on the anti-collision shell and interferes with the second pressure sensor, the upper cover body is set on the lower cover body and interferes with the third pressure sensor and the upper and lower cover bodies are slidably connected, and the upper cover body is provided with There are solar panels connected to the battery, alarm devices and lighting devices; the functions of each module of the fire hydrant are automatically controlled by the controller. The invention can greatly improve the anti-collision effect, prevent the fire hydrant body from freezing and cracking when the weather is cold, provide lighting for rescue operations, and achieve the purpose of quickly using the fire hydrant.

The invention belongs to the technical field of agricultural planting, and relates to a cold-proof bin system for overwintering of grape rhizomes and a using method. The cold-proof bin system comprises a detachable cold-proof bin and a foldable vertical rod, the vertical rods are transversely put down along the folding points; the cold-proof bin is a strip-shaped groove with a downward opening, the two ends of the cold-proof bin are closed, and the cold-proof bin covers grape rhizomes and the uprights; and the cold-proof bin is formed by processing a thermal insulation foam board. According to the cold-proof bin system, good heat preservation and moisture preservation can be conducted on grape rhizomes, the installation process is simple and continuous, the line spacing between adjacent grape plants is effectively shortened, and normal germination of grape vines in the next year can be guaranteed.

The invention discloses a thermal management system and device for an electric vehicle, comprising a first circuit system and a second circuit system for realizing the heating and cooling of the power battery of the electric vehicle. The first circuit system includes a first water pump, a second water pump and a water heater. , heat exchanger and power battery, the output end of the water pump 1 is connected to the input end of the water heater, this kind of electric vehicle thermal management system and device can not only heat or cool the passenger compartment during the driving process of the electric vehicle, The power battery can be kept warm or cooled, and at the same time, the ambient temperature of the power battery can be monitored in real time when the electric vehicle is in a static state, and the power battery can be insulated to a certain extent in combination with the low-voltage battery, which effectively prolongs the use of the power battery. In addition, the low temperature signal can also be sent to the user's mobile phone through the wireless signal transmitter, so that the user can take heat preservation measures in time.

The invention discloses a multi-container chemical reactor. The multi-container chemical reactor comprises a second reaction container, a main reactor, a hoisting device, a bath boiler, a base, a display screen and a bottle plug, wherein a first reaction container is mounted at the left side above the base; the second reaction container is mounted below the first reaction container; the main reactor is mounted at the right side below the second reaction container; the hoisting device is mounted above the right side of the main reactor; a power supply indication lamp is mounted at the right side below the hoisting device; the bath boiler is mounted below the right side of the power supply indication lamp; the base is mounted at the right side below the bath boiler; the display screen is mounted above the left side of the base; a rotary button is mounted at the right side below the display screen; a power supply switch is mounted at the left side of the rotary button; a plastic sleeve ismounted at the left side above the main reactor; the bottle plug is mounted below the plastic sleeve. According to the multi-container chemical reactor disclosed by the invention, a temprature sensoris mounted in the bath boiler and the temperature of liquid in the bath boiler can be monitored in real time.

The invention belongs to the technical field of ventilation equipment, and particularly relates to a grating type metro platform screen door climate switching device. The grating type metro platform screen door climate switching device comprises an air valve body, a grating panel assembled on an air outlet of the air valve body and a temperature compensation and control mechanism used for temperature compensation and intelligent control. According to the grating type metro platform screen door climate switching device, through adopting a grating structure, ventilation can be more uniform, andmeanwhile a decoration effect can be achieved; furthermore, environment temperature of a station can be monitored in real time, and cold air and hot air can be provided in a self-adaptive mode according to different environment temperatures, so that experience feeling of passengers is better; in addition, more energy is saved, sound energy can be weakened to a great extent, and the purpose of noise elimination is achieved through layer-by-layer weakening of noise sound waves, so that a comfortable waiting environment is provided while air is ventilated; and finally, the concentration of carbondioxide in station environment can be monitored in real time, and an alarm is given when the concentration of carbon dioxide reaches the maximum value, so that workers is capable of conveniently adjusting the working condition of a public area in time, the air quality of the station is always in a good state, and physical and psychological health of the passengers is facilitated.