The invention discloses an anti-interference monitoring device, which comprises an acquisition system, an anti-interference system and a central monitoring device, wherein the acquisition system comprises a camera system, an environmental luminance detector, an infrared induction device, a lighting lamp and a wireless transmission module; the camera system and the infrared induction device are connected to the central monitoring device through the wireless transmission module; the acquisition system is divided into a night mode and a daytime mode; the daytime mode comprises the camera system, the infrared induction device and the wireless transmission module; the night mode comprises the infrared induction device, the lighting lamp and the wireless transmission module; the camera system comprises a camera device, a timing module and a fragmentation module; the camera device is connected to the fragmentation module; the fragmentation module is connected to the timing module; and the anti-interference system comprises a signal conversion transmitting module and a signal conversion receiving device The anti-interference monitoring device is simple in structure and reasonable in design and not only resists the external signal interference, but also overcomes the defect of unclear picture shooting due to dark light at night

Anti-interference monitoring device

Embodiments of the invention provide a real-time data flow-based data sampling method and device and electronic equipment. The method comprises the following steps of: when a preset sampling period arrives, obtaining a data size of to-be-sampled data received in a recent preset sampling period, taking the data size of the to-be-sampled data as a reference data size; determining a ratio of a presetexpected sampling data size to the reference data size, and taking the ratio as a sampling ratio; and sampling the to-be-sampled data received in the current preset sampling period according to the sampling ratio. According to the method, the data size of the to-be-sampled data received in the recent preset sampling period can be taken as reference of a to-be-sampled data size to be received in the current preset sampling period so as to determine a sampling proportion of the current preset sampling period, so that the sample data acquired in each sampling period is in the vicinity of the expected sample data size, namely, the data size of data sampled in a unit time is relatively stable.

Real-time data flow-based data sampling method and device and electronic equipment

The utility model discloses a multifunctional tracking and sampling linkage system. The multifunctional tracking and sampling linkage system comprises an industrial control machine, an RTU (Remote Terminal Unit) and a peristaltic pump, which are orderly connected with one another, wherein the RTU is connected with the industrial control machine mounted in a cabinet and is used for controlling the peristaltic pump to take a sample from a sewage pipeline and feed the sample into the working one of barrels A/B; a flowmeter is arranged on the sewage pipeline and used for feeding back information to the RTU; an online COD (Chemical Oxygen Demand) monitor is used for taking a sample from the non-working one of the barrels A/B and analyzing the sample. According to the linkage system, the peristaltic pump is used for carrying out continuous sampling and the rotating speed of a motor of the peristaltic pump is regulated in real time according to an instantaneous flow rate, so that the sample is representative and thus is capable of reflecting the practical properties of sewage effectively; when analytical data of the online COD monitor indicates that a sample exceeds the standards, the sample is automatically remained and thus manual analysis is facilitated; the barrels A/B are automatically switched and cleaned, so that the system errors are reduced, lots of manpower and material resources are saved and the reliability of the system is improved.

Multifunctional tracking and sampling linkage system

The invention relates to a method for monitoring randomly discharged pollution sources. The method comprises the following steps: (A1) a sewage flow F is detected at a pollution source discharge opening, sewage is collected by a sampler, and sampling flow is K.F; (A2) liquid level of a sampling barrel is detected, if a current liquid level is less than liquid level of a supplied sample, sampling is continued to carry out; (A3) if the liquid level of the supplied sample is less than or equal to the current liquid level, and the current liquid level is less than an overflowing liquid level, thetime interval from last supplying of the sample is more than or equal to a measuring period, accumulation time of the sampling and the measuring period are compared, if the accumulation time of the sampling is more than or equal to the measuring period, the sampling proportion is increased to K1, and the sample is supplied to an analysis instrument; if the accumulation time of the sampling is lessthan the measuring period, the sample is supplied to the analysis instrument; (A4) the liquid level of the sampling barrel is detected, if the current liquid level is more than or equal to overflowing liquid level, the sampling proportion is reduced to K2, and the sample is supplied to the analysis instrument. The method has the advantages of adjustable sampling proportion, accurate monitoring, and the like.

Method for monitoring randomly discharged pollution sources

The invention discloses a method for determining the sampling time and the proportion coefficient based on a wastewater discharging proportion. According to the invention, the sampling time of each sampling period is generated in a random mode, so a phenomenon of the underlying discharge of dishonest enterprises by fixing the sampling time interval through using the original proportion can be effectively overawed and avoided; and the continuous adjustment of the proportion sampling coefficient k makes the volume of the collected water sample of each analytic period account for 40-75% of the total volume of a proportion sampling storage device as far as possible. The method makes the wastewater proportion sampling to be scientific and accurate, and environmental protection controlling authorities to be powerful.

Method for determining sampling time and proportion coefficient based on wastewater discharging proportion

The invention provides a greenhouse monitoring informatization system networking method. The method is characterized in that: a wireless mode and a wired mode are combined and a short-range wireless network is established in the greenhouse; the wireless network is formed by a wireless acquisition node, a wireless control node and a wireless center control node; the wireless center control node completes operations of data acquisition, facility control and the like through the wireless network and simultaneously carries out communication through a serial bus and an upper computer monitoring information system; the video signal in the greenhouse uses the wired mode to be transmitted; photoelectric conversion devices are arranged in the greenhouse and a monitoring room; the video signal is converted into an optical signal and is transmitted to the monitoring room, after that, an electric signal is recovered and is collected by the upper computer. In the method of the invention, a technology is novel; a design is flexible; installation and maintenance are convenient; data transmission quality is high; an anti-interference capability is strong; a good application demonstration and popularization value is possessed.

Greenhouse monitoring informatization system networking method

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Method for determining sampling time and proportion coefficient based on wastewater discharging proportion

Greenhouse monitoring informatization system networking method