CN110646471A - Microenvironment intelligent monitoring device and microenvironment intelligent monitoring system - Google Patents

Abstract

One aspect of the present invention provides an intelligent monitoring device for a micro-environment, including a sensor module and a housing, the sensor module comprising a condensation sensor, the probe of the condensation sensor is installed on the side wall of the housing, and the condensation sensor The probe includes at least two fences. The adjacent fences are connected with different electrodes of the condensation sensor probe. The fences are used to form stable dewdrops. The air isolation makes the resistance between the two adjacent fences larger. When dew, the dew pools between the fences, so that the resistance between the fences changes, the condensation sensor monitors the formation of condensation by monitoring the resistance change, and the condensation sensor converts the resistance change into an electrical signal; The micro-environment intelligent monitoring system of the micro-environment intelligent monitoring device includes a network base station, a server group and a control terminal, and can read monitoring data in real time, acquire equipment status, generate reports, generate alarms, cancel alarms or modify parameters.

Description

A micro-environment intelligent monitoring device and micro-environment intelligent monitoring system

technical field

The invention relates to the field of environmental monitoring, in particular to a micro-environment intelligent monitoring device and a micro-environment intelligent monitoring system.

technical background

Environmental monitoring terminals are widely used in commercial, agricultural and industrial fields. Sensor-based micro-environment monitoring systems are installed in places that need to be monitored, such as greenhouses, distribution boxes, substations, terminal boxes, sink control cabinets, mechanism boxes, power boxes and Lighting power boxes, etc., are used to collect micro-environmental parameters such as temperature, humidity, light, ultraviolet light, wind speed, wind direction, carbon dioxide content, sulfur dioxide content, water immersion or PM2.5, and transmit the monitored data wirelessly or wiredly. For managers, if the ambient temperature is too high or too low, the humidity is too high, water seeps, condensation, or the door is opened for no reason, it will bring great hidden dangers to safety production. Therefore, the intelligent monitoring terminal of the microenvironment needs to generate alarm information in time and transmit it to the management. member. Dew point temperature refers to the temperature at which the water vapor content in the air does not change under a certain air pressure, and the air is cooled to reach saturation. Dew will reduce the insulation level of insulating materials, and accidents such as creepage and flashover are prone to occur. When condensation occurs on electrical equipment, it may cause thermal expansion and contraction of the modules in the equipment to explode, damage devices, and cause loss of personnel and equipment. The existing environmental monitoring device calculates the dew point by monitoring the temperature and humidity of the environment, and then calculates the dew point, which cannot actually reflect the real condensation situation, and different environments have different air components, such as dust in the air, the real dew point Deviations are likely to occur.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, first, a micro-environment intelligent monitoring device and a micro-environment intelligent monitoring system that can directly monitor condensation are provided.

One aspect of the present invention provides an intelligent monitoring device for a micro-environment, including a sensor module and a housing, the sensor module comprising a condensation sensor, the probe of the condensation sensor is installed on the side wall of the housing, and the condensation sensor The probe includes at least two fences, and adjacent fences are connected to different electrodes.

Preferably, the condensation sensor further includes a capacitor or a resistor, and both ends of the capacitor or resistor are installed on two adjacent fences.

Preferably, the distance between the adjacent fences is 0.5-6 mm, and the fences are provided with wires or the fences are conductive.

Preferably, the condensation sensor includes a plate-shaped condensation sensor, the plate-shaped condensation plate includes a frame and a plurality of fences arranged in the frame, and the frame is insulated.

Preferably, the front end of the casing is provided with a probe and a groove matching the plate-shaped condensation sensor, the plate-shaped condensation sensor is embedded in the groove, and is arranged at the rear end of the condensation sensor. The contacts are pressed against the probe.

Preferably, the sensor module further includes one of a humidity sensor, a temperature sensor, a light sensor, a water immersion sensor, or a combination thereof.

The microenvironment intelligent monitoring device provided by the present invention further includes a controller module, a wireless module and a storage module, wherein the controller module is respectively connected with the sensor module, the wireless module and the storage module.

Another aspect of the present invention provides a micro-environment intelligent monitoring system using any of the above-mentioned micro-environment intelligent monitoring devices, including a network base station, a server group and a control terminal, and the micro-environment intelligent monitoring device is connected to the network base station through a wireless network. , the network base station is connected with the server group, and the server group is connected with the control terminal.

Preferably, the control terminal includes a mobile terminal, the micro-environment intelligent monitoring device is provided with a first Bluetooth module, the mobile terminal is provided with a second Bluetooth module, and the mobile terminal passes through the second Bluetooth module and the first Bluetooth module. The mobile terminal is connected to the micro-environment intelligent monitoring device, and the mobile terminal modifies the parameters of the micro-environment intelligent monitoring device through Bluetooth.

The micro-environment intelligent monitoring system provided by the present invention further includes an environment adjustment device, the environment adjustment device is provided with a third Bluetooth module, the micro-environment intelligent monitoring device is provided with a first Bluetooth module, and the micro-environment intelligent monitoring device is provided with The first bluetooth module and the third bluetooth module are connected with the environment adjustment device, and send and receive data through the first bluetooth module and the third bluetooth module, the data includes alarm information and/or work instructions.

Compared with the prior art, the beneficial effects of the present invention are as follows: 1. The fence is used to form stable dewdrops, and the air isolation makes the resistance between two adjacent fences larger. Condensation sensor monitors the formation of condensation by monitoring the resistance change, and the condensation sensor converts the resistance change into an electrical signal; 2. The electrodes connected to adjacent fences are different, which is convenient for adjacent fences 3. There can be wires on the fence or the fence itself is conductive, so that condensation at any position on the fence can generate a monitoring signal and improve the sensitivity of monitoring; 4. The distance between the fences can be 0.5~ Between 6mm, it is convenient for dewdrops to form a liquid film on the fence, thereby generating a stable signal; 5. The plate-shaped condensation sensor is convenient to increase the monitoring range and improve the monitoring sensitivity; 6. The micro-environment intelligent monitoring device provided by the present invention passes the NB - IoT is connected with external network base stations, which is convenient for penetrating metal power distribution cabinets, etc.; 7. The micro-environment intelligent monitoring device provided by the present invention is convenient for remote acquisition of data, generation of reports, and generation of alarm information through network base stations, server groups and control terminals. It is convenient to prompt management personnel to deal with it in time; 8. The microenvironment intelligent monitoring device provided by the present invention is connected to the mobile control terminal through bluetooth, which is convenient to modify parameters, and is connected to the environmental adjustment device through bluetooth to facilitate opening or closing the environment adjustment device.

Description of drawings

Figure 1 is a schematic diagram of the structure of the condensation sensor;

Fig. 2 is the exploded view of the microenvironment intelligent monitoring device provided by the present invention;

3 is a schematic structural diagram of a microenvironment intelligent monitoring device provided by the present invention;

FIG. 4 is a logical block diagram of a micro-environment intelligent monitoring device and a micro-environment intelligent monitoring system.

Labels in the drawings: 1-housing, 2-humidity sensor, 3-temperature sensor, 4-fence, 9-condensation sensor, 10-probe, 11-sensor module, 12-storage module, 13-controller module , 14-wireless module, 15-first Bluetooth module, 16-NB-IoT module, 17-network base station, 18-server group, 19-control terminal, 20-AMC host, 21-mobile terminal, 22-environmental adjustment device .

specific embodiment

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

Example 1

One aspect of the present invention provides a micro-environment intelligent monitoring device, as shown in FIG. 1 and FIG. 2 , including a sensor module 11 and a housing 1 , the sensor module 11 includes a condensation sensor 9 , and the probe of the condensation sensor 9 is installed in the housing. On the side wall of 1, the condensation sensor probe is provided with two fences 4, and the fences 4 are respectively connected with different electrodes of the condensation sensor probe. The fences 4 are used to form stable dewdrops, and the air isolation makes the resistance between the two fences 4 larger. When condensation occurs on the fences 4, the dewdrops gather between the fences 4, so that the resistance between the fences 4 changes. The condensation sensor 9 monitors the formation of condensation by monitoring the resistance change, and the condensation sensor 9 converts the resistance change into an electrical signal. The probe of the condensation sensor can be mounted on the upper, lower, left, right or front side walls of the housing.

There may also be a resistor or capacitor between the fences 4, and both ends of the resistor or capacitor are installed on two adjacent fences. When condensation is formed, the resistance or capacitance between the two fences 4 changes, so that condensation is monitored. form and generate electrical signals. When the probe of the condensation sensor 9 is installed, the direction of the fence 4 can be directed to the outside, which is beneficial for the water vapor in the air to form dewdrops on the fence. The number of fences 4 can be two or more. The resistance change between any two adjacent fences 4 can be determined as condensation formation; the electrodes connected to adjacent fences 4 are different, which is convenient for the connection between adjacent fences 4 form a current.

The fence 4 can be provided with wires or the fence itself has conductivity, so that condensation at any position on the fence can generate a monitoring signal and improve the monitoring sensitivity.

The distance between the fences 4 can be between 0.5~6mm, preferably 1~4mm. In a specific embodiment, fences with a spacing of 0.5mm, 1mm, 2mm, 3mm, 4mm and 6mm are used, and dewdrops can be formed on the fences 4. liquid film, resulting in a stable signal.

Example 2

The difference from Embodiment 1 is that the condensation sensor 9 is plate-shaped. As shown in FIG. 3 , the plate-shaped condensation sensor 9 includes a frame and a plurality of fences 4 arranged in the frame. The dew sensor 9 is convenient to increase the monitoring range, and the formation of a liquid film between any adjacent fences can generate a stable signal, which is convenient to improve the monitoring sensitivity. The front end of the housing 1 is provided with a probe 10 and a groove matching the plate-shaped condensation sensor. , it is convenient to install and remove the condensation sensor quickly, and the probe 10 can be elastic.

The sensor module may also include one of a humidity sensor 2, a temperature sensor 3, a light sensor, and a water immersion sensor or a combination thereof, which are respectively used to monitor environmental parameters such as humidity, temperature, light, and water immersion. These sensors can be installed in the housing. The side wall of the body 1 can also be installed outside the casing 1 and connected to the casing by wires. .

The microenvironment intelligent monitoring device provided by the present invention further includes a controller module 13 , a wireless module 14 and a storage module 12 , and the controller module 13 is respectively connected with the sensor module 11 , the wireless module 14 and the storage module 12 . The controller module 13 is used to receive the signal from the sensor module 11 and determine whether to generate an alarm according to the expected value. The wireless module 14 may be an NB-IoT module, a Lora module, a 3G module, a 4G module or a 5G module for communicating with the external network base station 17 and transmitting data; the wireless module 14 may also include a first Bluetooth module 15 for near- distance communication. The storage module 12 is used to store monitoring data, parameters or logs.

The microenvironment intelligent monitoring device provided by the present invention can be powered by a wired power supply or a battery. In a specific embodiment, a 3.6V19AH lithium battery is used for power supply; the probe 10 is wired to the controller module 13 using TTL level; a condensation sensor and an integrated temperature and humidity sensor are used, and the integrated temperature and humidity sensor is wired with the controller through I2C. The module 13 is connected; the wireless module 14 adopts the NB-IoT module, which is connected to the controller module 13 through the UART cable. The NB-IoT has good penetration and is easy to penetrate the metal power distribution cabinet.

Example 3

Another aspect of the present invention provides a micro-environment intelligent monitoring system, as shown in FIG. 4, including a network base station 17, a server group 18 and a control terminal 19, the micro-environment intelligent monitoring device is connected to the network base station 17 through a wireless network, The network base station 17 is connected to a server group 18 which is connected to the control terminal 19 . The micro-environment intelligent monitoring device and the network base station exchange data through the communication protocol of NB-IoT, Lora, 3G, 4G or 5G. The network base station 17 exchanges data with the server group 18 through the Internet or a dedicated power network, and the server group 18 is used for storage monitoring. Data, alarm information and parameters, etc., the control terminal 19 is used to read monitoring data from the server group 18, obtain equipment status, generate reports, generate alarms, cancel alarms or modify parameters of the microenvironment intelligent monitoring device.

The control terminal 19 may be an AMC host 20 or a mobile terminal 21. The micro-environment intelligent monitoring device is provided with a first Bluetooth module 15, and the mobile terminal 21 is provided with a second Bluetooth module. The mobile terminal 21 passes the second Bluetooth module. The module and the first bluetooth module 15 are connected to the micro-environment intelligent monitoring device, the mobile terminal modifies the parameters of the micro-environment intelligent monitoring device through Bluetooth, and the mobile terminal 21 reads data from the micro-environment intelligent monitoring device through Bluetooth , and can also modify parameters, perform initialization operations, etc.

The microenvironment intelligent monitoring system provided by the present invention may further include an environment adjustment device 22, the environment adjustment device 22 is provided with a third Bluetooth module, the microenvironment intelligent monitoring device is provided with a first Bluetooth module 15, and the microenvironment The intelligent monitoring device is connected to the environment adjustment device 22 through the first Bluetooth module 15 and the third Bluetooth module, and sends and receives data through the first Bluetooth module and the third Bluetooth module, and the data includes alarm information and/or work instructions. The environmental conditioning device 22 may be a ventilation device, a heater or a dehumidifier. In a specific embodiment, when condensation is detected, the intelligent monitoring device for the micro-environment can generate monitoring data and alarm information to the dehumidifier, and the dehumidifier The dehumidifier judges whether to perform dehumidification work according to the monitoring data and alarm information, and the micro-environment intelligent monitoring device can also directly send work instructions to the dehumidifier.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principles of the present invention, several improvements and modifications can also be made. These improvements and modifications It should also be regarded as the protection scope of the present invention.

Claims (10)

1. An intelligent monitoring device for a microenvironment, comprising a sensor module and a housing, wherein the sensor module comprises a condensation sensor, and the probe of the condensation sensor is installed on the side wall of the housing, and the condensation sensor The sensor probe includes at least two fences, and adjacent fences are connected to different electrodes. 2 . The intelligent monitoring device for microenvironment according to claim 1 , wherein the condensation sensor further comprises a capacitor or a resistor, and two ends of the capacitor or the resistor are installed on two adjacent fences. 3 . 3 . The intelligent monitoring device for micro-environment according to claim 1 , wherein the distance between the adjacent fences is 0.5-6 mm, and the fences are provided with wires or the fences have conductivity. 4 . 4 . The microenvironment intelligent monitoring device according to claim 1 , wherein the condensation sensor comprises a plate-shaped condensation sensor, and the plate-shaped condensation plate comprises a frame and is arranged in the frame. 5 . of multiple fences, the border is insulated. 5 . The intelligent monitoring device for microenvironment according to claim 4 , wherein the front end of the housing is provided with a probe and a groove matching with the plate-shaped condensation sensor, the plate-shaped condensation sensor Embedded in the groove, the contact point disposed at the rear end of the condensation sensor is pressed on the probe. 6 . The intelligent monitoring device for microenvironment according to claim 1 , wherein the sensor module further comprises one of a humidity sensor, a temperature sensor, a light sensor, a water immersion sensor, or a combination thereof. 7 . 7 . The intelligent monitoring device for microenvironment according to claim 1 , further comprising a controller module, a wireless module and a storage module, and the controller module is respectively connected with the sensor module, the wireless module and the storage module. 8 . 8. A micro-environment intelligent monitoring system using the micro-environment intelligent monitoring device described in any one of 1 to 7, is characterized in that, comprising a network base station, a server group and a control terminal, and the micro-environment intelligent monitoring device communicates with each other through a wireless network. The network base station is connected, the network base station is connected with the server group, and the server group is connected with the control terminal. 9 . The micro-environment intelligent monitoring system according to claim 8 , wherein the control terminal comprises a mobile terminal, the micro-environment intelligent monitoring device is provided with a first Bluetooth module, and the mobile terminal is provided with a second Bluetooth module 9 . module, the mobile terminal is connected to the micro-environment intelligent monitoring device through the second Bluetooth module and the first Bluetooth module, and the mobile terminal modifies the parameters of the micro-environment intelligent monitoring device through Bluetooth. 10 . The microenvironment intelligent monitoring system according to claim 8 , further comprising an environment adjustment device, the environment adjustment device is provided with a third Bluetooth module, and the microenvironment intelligent monitoring device is provided with a first Bluetooth module. 11 . , the micro-environment intelligent monitoring device is connected to the environment adjustment device through the first bluetooth module and the third bluetooth module, and sends and receives data through the first bluetooth module and the third bluetooth module, and the data includes alarm information and/or work instruction.

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