Search

CN-122016142-A - Pressure detection alarm system, method and device for water turbine generator set radiator

CN122016142ACN 122016142 ACN122016142 ACN 122016142ACN-122016142-A

Abstract

The invention relates to the technical field of radiator equipment monitoring, and discloses a system, a method and a device for detecting and alarming the pressure of a radiator of a hydroelectric generating set, wherein the system comprises a pressure detector, a temperature sensor and a data processing module, and by adding the temperature sensor, the pressure and temperature of the water inlet and the water outlet are synchronously collected, a multidimensional monitoring matrix of the pressure and the temperature is constructed, the blind area of the traditional single pressure parameter monitoring is made up, and the running state of the cooling system is comprehensively captured. By means of the data processing module, the system can automatically calculate the pressure difference and temperature difference data, accurately identify the specific position of the blockage and quantify the severity of the blockage through multi-parameter collaborative analysis, thoroughly get rid of dependence on manual experience, greatly reduce the risk of misjudgment, and effectively solve the problems of inaccurate judgment result and lower efficiency existing in the related art of judging the blockage position and the blockage degree of the hydroelectric generating set through manual experience.

Inventors

  • Yue Shoujun
  • YANG YAN
  • ZHANG JUN
  • ZHOU JINFENG

Assignees

  • 三峡国际能源投资集团有限公司
  • 中国长江电力股份有限公司

Dates

Publication Date
20260512
Application Date
20260402

Claims (10)

  1. 1. The system is characterized by comprising a pressure detector, a temperature sensor and a data processing module; the pressure detector is used for collecting first pressure data of a water inlet pipeline and second pressure data of a water outlet pipeline in the radiator of the hydroelectric generating set; The temperature sensor is used for collecting first temperature data of a water inlet pipeline and second temperature data of a water outlet pipeline in the radiator of the hydroelectric generating set; The data processing module is used for determining pressure difference data according to the first pressure data and the second pressure data, determining temperature difference data according to the first temperature data and the second temperature data, determining blockage position information and blockage degree information of the radiator of the hydroelectric generating set based on the first pressure data, the second pressure data, the pressure difference data, the first temperature data, the second temperature data and the temperature difference data, and generating alarm information based on the blockage position information and the blockage degree information.
  2. 2. The system of claim 1, wherein the system further comprises an alarm module; And the alarm module is used for alarming according to the alarm information.
  3. 3. The system according to claim 1 or 2, wherein the system further comprises a data recording module; The data recording module is respectively connected with the pressure detector, the temperature sensor and the data processing module and is used for storing the first pressure data, the second pressure data, the first temperature data, the second temperature data and the alarm information.
  4. 4. A hydraulic generator set radiator pressure detection alarm method, applied to the system of any one of claims 1 to 3, comprising: acquiring first pressure data, first temperature data and second pressure data of a water outlet pipeline of a water inlet pipeline in a radiator of a hydroelectric generating set; determining pressure difference data based on the first pressure data and the second pressure data, determining temperature difference data based on the first temperature data and the second temperature data; determining blockage position information and blockage degree information of the radiator of the hydroelectric generating set based on the first pressure data, the second pressure data, the pressure difference data, the first temperature data, the second temperature data and the temperature difference data; and generating alarm information based on the blockage position information and the blockage degree information.
  5. 5. The method of claim 4, wherein determining the blockage location information and the blockage level information for the hydro-generator set radiator based on the first pressure data, the second pressure data, the pressure differential data, the first temperature data, the second temperature data, and the temperature differential data comprises: Comparing the first pressure data with a preset first pressure fluctuation range to obtain a first comparison result; Comparing the second pressure data with a preset second pressure fluctuation range to obtain a second comparison result; Comparing the pressure difference data with a preset pressure threshold value to obtain a third comparison result; Determining a first temperature change gradient based on the first temperature data; Determining a second temperature change gradient based on the second temperature data; Determining a third temperature change gradient based on the temperature difference data; Determining the clogging position information and the clogging degree information based on the first comparison result, the second comparison result, the third comparison result, the first temperature change gradient, the second temperature change gradient, and the third temperature change gradient.
  6. 6. The method of claim 5, wherein determining the occlusion position information and the occlusion degree information based on the first comparison result, the second comparison result, the third comparison result, the first temperature variation gradient, the second temperature variation gradient, and the third temperature variation gradient comprises: determining a first blocking position and a first blocking degree based on the first comparison result, the second comparison result and the third comparison result; determining a second clogging position and a second clogging degree based on the first temperature change gradient, the second temperature change gradient, and the third temperature change gradient; Determining the occlusion position information based on the first occlusion position and the second occlusion position; The occlusion degree information is determined based on the second occlusion position and the second occlusion degree.
  7. 7. A hydraulic generator set radiator pressure detection alarm device, the device comprising: The acquisition module is used for acquiring first pressure data, first temperature data, second pressure data and second temperature data of a water outlet pipeline of a water turbine generator set radiator; a first determination module for determining pressure difference data based on the first pressure data and the second pressure data, and determining temperature difference data based on the first temperature data and the second temperature data; the second determining module is used for determining blockage position information and blockage degree information of the radiator of the hydroelectric generating set based on the first pressure data, the second pressure data, the pressure difference data, the first temperature data, the second temperature data and the temperature difference data; And the third determining module is used for generating alarm information based on the blocking position information and the blocking degree information.
  8. 8. An electronic device, comprising: The system comprises a memory and a processor, wherein the memory and the processor are in communication connection, the memory stores computer instructions, and the processor executes the computer instructions, so that the hydraulic generator set radiator pressure detection alarm method according to any one of claims 4 to 6 is executed.
  9. 9. A computer-readable storage medium having stored thereon computer instructions for causing a computer to perform the hydro-generator set heat sink pressure detection warning method of any one of claims 4 to 6.
  10. 10. A computer program product comprising computer instructions for causing a computer to perform the hydro-generator set heat sink pressure detection warning method of any one of claims 4 to 6.

Description

Pressure detection alarm system, method and device for water turbine generator set radiator Technical Field The invention relates to the technical field of radiator equipment monitoring, in particular to a system, a method and a device for detecting and alarming pressure of a water turbine generator set radiator. Background Hydroelectric generating sets are used as core equipment for hydroelectric power generation and play a critical role in power generation. During its operation, a large amount of heat is generated due to electromagnetic loss, mechanical friction, and the like. If the heat cannot be timely emitted, the temperature of the unit can be rapidly increased, the insulation performance and mechanical performance of the unit are further affected, equipment is even damaged when serious, power failure accidents are caused, and a great threat is brought to the safe and stable operation of the power system. Therefore, the radiator becomes an indispensable key component for ensuring the normal operation of the hydroelectric generating set, and radiates heat generated by the set into the surrounding environment through the circulating flow of cooling liquid, so that the normal working temperature of the set is maintained. At present, a simple pressure detection device is mainly used for detecting the pressure of the radiator of the hydroelectric generating set. The pressure detection device consists of a pressure sensor and a local display, the pressure sensor is arranged at the water inlet and the water outlet of the radiator, the pressure is detected in real time, signals are transmitted to the display, and workers can check the pressure value on site. However, such a simple monitoring device can only display the pressure value, and cannot perform deep analysis and processing on the pressure data, so that a worker needs to judge the position of the blockage and the severity of the blockage by experience and pressure change, which increases the risk of erroneous judgment. Disclosure of Invention The invention provides a system, a method and a device for detecting and alarming the pressure of a water turbine generator set radiator, which are used for solving the problems of inaccurate judgment result and lower efficiency in the prior art that the blockage position and the blockage degree of the water turbine generator set are judged through artificial experience. The invention provides a hydraulic generator set radiator pressure detection alarm system which comprises a pressure detector, a temperature sensor and a data processing module, wherein the pressure detector is used for collecting first pressure data of a water inlet pipeline and second pressure data of a water outlet pipeline in a hydraulic generator set radiator, the temperature sensor is used for collecting first temperature data of the water inlet pipeline and second temperature data of the water outlet pipeline in the hydraulic generator set radiator, the data processing module is used for determining pressure difference data according to the first pressure data and the second pressure data, determining temperature difference data according to the first temperature data and the second temperature data, determining blocking position information and blocking degree information of the hydraulic generator set radiator based on the first pressure data, the second pressure data, the pressure difference data, the first temperature data, the second temperature data and the temperature difference data, and generating alarm information based on the blocking position information and the blocking degree information. The invention provides a pressure detection alarm system of a water turbine generator set radiator, which comprises a pressure detector, a temperature sensor and a data processing module, wherein four types of key data, namely pressure and temperature of a water inlet and a water outlet, are synchronously acquired through the newly added temperature sensor, a multidimensional monitoring matrix of the pressure and the temperature is constructed, the blind area of the traditional single pressure parameter monitoring is made up, and the running state of a cooling system is comprehensively captured. By means of the data processing module, the system can automatically calculate the pressure difference and temperature difference data, accurately identify the specific position of the blockage and quantify the severity of the blockage through multi-parameter collaborative analysis, thoroughly get rid of dependence on manual experience, greatly reduce the risk of misjudgment, and effectively solve the problems of inaccurate judgment result and lower efficiency existing in the related art of judging the blockage position and the blockage degree of the hydroelectric generating set through manual experience. In an alternative embodiment, the system further comprises an alarm module for alarming according to the alarm information. In an alternative embo