Temperature and humidity adjusting device, method and system of oil and gas monitoring equipment

Abstract

The invention discloses a temperature and humidity adjusting device, method and system for oil and gas monitoring equipment. The device comprises a humidity sensor, a temperature sensor, a program control flow meter, a humidifying device, a heating cavity, an automatic humidity adjusting device, a temperature and humidity linkage adjusting device and a gas mixing humidity control device. The automatic humidity adjusting device is connected with the humidity sensor; the temperature and humidity linkage adjusting device is connected with the temperature sensor, the humidifying device and the heating cavity; and the gas mixing humidity control device is connected with the program-controlled flow meter. The proportion of dry gas to wet gas is automatically adjusted through the gas mixing humidity control device; the automatic humidity adjusting device automatically adjusts the proportion of wet gas, and the temperature and humidity linkage adjusting device achieves accurate humidity control and synchronous accurate temperature and humidity control by controlling the working modes of equipment such as the heating cavity and the humidifying device.

Description

Technical Field

[0001] This invention relates to the field of testing equipment technology, and in particular to a temperature and humidity control device, method and system for oil and gas monitoring equipment. Background Technology

[0002] During long-term energized operation, transformers in power systems are subjected to various factors, including high voltage, which can cause cracking and decomposition of insulating materials such as oil and insulating paper. This can generate characteristic gases, such as acetylene, methane, and hydrogen, affecting insulation performance. These characteristic gases dissolve in the transformer oil, necessitating gas removal from the oil. Transformer performance is assessed by detecting gas concentrations. To ensure the accuracy of gas concentration measurements under different temperature and humidity conditions, measurements and adjustments need to be performed in various environments, and the influence coefficients of temperature and humidity need to be calculated to correct the measurement results.

[0003] Chinese patent CN203349440U discloses a "temperature and humidity regulating device," comprising a data acquisition device, a signal processing device, and a controller. The data acquisition device, signal processing device, and controller are connected in sequence, and the controller is connected to a heating device, a cooling device, and a humidity regulating device. This solution acquires humidity and temperature signals through the data acquisition device, processes and analyzes these signals through the signal processing device, and then transmits them to the controller to control the operation of the heating device, cooling device, and humidity regulating device, thereby adjusting the temperature and humidity.

[0004] However, the above solutions can only achieve single temperature and humidity regulation, and cannot precisely control humidity, nor can they adjust the ratio of dry gas to humid gas according to measurement needs. At the same time, the above devices cannot maintain precise humidity control when the temperature changes, which greatly limits their application scenarios in precise control of gas temperature and humidity. Therefore, it is urgent to design a temperature and humidity regulation device, method and system for oil and gas monitoring equipment to solve the problems existing in the above-mentioned technologies. Summary of the Invention

[0005] To address the aforementioned deficiencies or improvement needs of existing technologies, this invention provides a temperature and humidity control device, method, and system for oil and gas monitoring equipment. The purpose is to automatically adjust the ratio of dry gas to humid gas through a gas mixing humidity control device; automatically adjust the ratio of humid gas through an automatic humidity adjustment device; and achieve precise humidity control and synchronous precise temperature and humidity control by controlling the working modes of devices such as the heating chamber and humidification device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: The first aspect of the present invention provides a temperature and humidity regulating device for an oil and gas monitoring equipment, including a humidity sensor, a temperature sensor, a programmable flow meter, a humidification device, a heating chamber, an automatic humidity adjusting device, a temperature and humidity linkage adjusting device, and a gas mixing humidity control device; The automatic humidity adjustment device is connected to the humidity sensor; The temperature and humidity linkage adjustment device is connected to the temperature sensor, humidification device, and heating chamber; The gas mixing humidity control device is connected to a programmable flow meter.

[0007] As an embodiment of this application, the device further includes a solenoid valve, which is used to control the on / off of different gas paths to switch the test gas.

[0008] This application also provides a method for temperature and humidity regulation of an oil and gas monitoring device, using the above-mentioned apparatus, the method comprising the following steps: S1: The gas mixing humidity control device automatically adjusts the ratio of dry gas to humid gas according to the preset humidity value via a programmable flow meter; S2: The automatic humidity adjustment device compares the current ambient humidity sensed by the humidity sensor with the preset humidity value and automatically adjusts the proportion of humidifying gas to achieve automatic humidity adjustment. S3: After the gas is heated by the heating chamber, the gas temperature rises or falls. The temperature and humidity linkage adjustment device adjusts the real-time temperature in the heating chamber according to the feedback of the temperature sensor, and at the same time controls the humidification device to adjust the humidity.

[0009] As an embodiment of this application, the automatic adjustment of the humidifying gas ratio in step S2 specifically includes: When the humidity sensor detects that the current ambient humidity is lower than the preset humidity value, the proportion of humidifying gas is increased. When the humidity sensor detects that the current ambient humidity is higher than the preset humidity value, the proportion of humidifying gas is reduced.

[0010] As an embodiment of this application, before step S1, the test gas is switched by controlling the gas path opening and closing through a solenoid valve. Before switching the gas, the gas path is cleaned with a large flow of pure nitrogen or air.

[0011] This application also provides a temperature and humidity control device system for oil and gas monitoring equipment, including: Humidity sensor: used to sense the current ambient humidity; Temperature sensor: used to sense the current ambient temperature; Programmable flow meter: used to distribute the ratio of dry gas to humid gas; Humidifier: Used to adjust the current air humidity; Heating chamber: used to regulate the current gas temperature; Automatic humidity adjustment module: Based on the comparison between the current ambient humidity sensed by the humidity sensor and the preset humidity value, automatically adjust the proportion of humidifying gas; Temperature and humidity linkage adjustment module: Based on feedback from the temperature sensor, it simultaneously controls the operation of the humidification device and the heating chamber to achieve linkage adjustment of temperature and humidity; Gas mixing humidity control device: Distributes the ratio of dry gas to humid gas through a programmable flow meter.

[0012] As an embodiment of this application, the system further includes a solenoid valve, which is used to control the on / off of different gas paths to switch the test gas.

[0013] The beneficial effects of this invention are as follows: This invention utilizes a gas mixing and humidity control device to automatically adjust the ratio of dry gas to humid gas; an automatic humidity adjustment device compares the current ambient humidity sensed by a humidity sensor with a preset humidity value and automatically adjusts the humid gas ratio; and a temperature and humidity linkage adjustment device adjusts the real-time temperature inside the heating chamber based on feedback from a temperature sensor, while simultaneously controlling the humidification device to adjust the humidity. This achieves precise humidity control and synchronous precise temperature and humidity control, effectively helping to analyze measurement deviations introduced by temperature and humidity in gas concentration detection experiments, thereby achieving the purpose of temperature and humidity correction, further ensuring the accuracy of gas concentration measurement, shortening environmental test time, and improving measurement accuracy. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of a temperature and humidity control device for an oil and gas monitoring equipment provided in an embodiment of the present invention; Figure 2 This is a flowchart illustrating the technical solution of a temperature and humidity control method for an oil and gas monitoring device provided in an embodiment of the present invention. Detailed Implementation

[0015] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0016] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0017] In this invention, unless otherwise explicitly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0018] Furthermore, if the embodiments of this invention involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0019] Reference Figure 1 The first aspect of the present invention provides a temperature and humidity regulating device for an oil and gas monitoring device, the oil and gas monitoring device including an oil circuit unit, a gas circuit unit, a degassing device, and a temperature and humidity regulating device.

[0020] The oil circuit unit includes an oil inlet, an oil outlet, a solenoid valve group, a heating device, an oil storage device, an oil circuit sensor, and an oil pump. The degassing device is connected to the oil circuit through the oil circuit sensor. The air circuit unit includes an air inlet, an air outlet, a solenoid valve group, an air circuit sensor, a cylinder, and an air circuit driver. The degassing device and the temperature and humidity regulating device are connected to the air circuit through the solenoid valve group.

[0021] The temperature and humidity control device includes a humidity sensor, a temperature sensor, a programmable flow meter, a humidifier, a heating chamber, an automatic humidity adjustment device, a temperature and humidity linkage adjustment device, and a gas mixing humidity control device. The automatic humidity adjustment device is connected to a humidity sensor. The device compares the current ambient humidity sensed by the humidity sensor with a preset humidity value and automatically adjusts the proportion of humidifying gas. When the current ambient humidity sensed by the humidity sensor is lower than the preset humidity value, the proportion of humidifying gas is increased; when the current ambient humidity sensed by the humidity sensor is higher than the preset humidity value, the proportion of humidifying gas is decreased, thus achieving automatic humidity adjustment. The temperature and humidity linkage adjustment device is connected to the temperature sensor, the humidification device, and the heating chamber. The temperature and humidity linkage adjustment device adjusts the real-time temperature in the heating chamber according to the feedback from the temperature sensor, and simultaneously controls the humidification device to adjust the humidity. The heating chamber maintains a constant temperature environment to regulate the current gas temperature, and the humidification device is used to regulate the current gas humidity.

[0022] The gas mixing humidity control device is connected to a programmable flow meter, and the gas mixing humidity control device automatically adjusts the ratio of dry gas to humid gas according to a preset humidity value through the programmable flow meter.

[0023] Specifically, the automatic humidity adjustment device, the temperature and humidity linkage adjustment device, and the gas mixing humidity control device are installed inside the gas measuring device. The humidity sensor and the temperature sensor are installed inside or at the front end of the gas measuring device. This enables precise control of the humidity in the gas testing environment, while also simultaneously controlling the temperature. When the temperature changes, the humidity can be precisely adjusted to control the final humidity of the gas entering the measuring device.

[0024] As an embodiment of this application, the device supports the simultaneous access of multiple test gases. The device also includes a solenoid valve, which is used to control the opening and closing of different gas paths to switch test gases. Before switching gases, the gas path is cleaned with a large flow of pure nitrogen or air to avoid cross-interference between the gas being measured and the gas being measured, which would affect the accuracy of the measurement results.

[0025] like Figure 2 As shown, this application also provides a method for temperature and humidity regulation of an oil and gas monitoring device, using the above-mentioned apparatus, the method comprising the following steps: S1: When a gas sample with a specific humidity needs to be generated, the gas mixing humidity control device automatically adjusts the ratio of humid gas C1 to dry gas C2 according to the preset humidity value through a programmable flow meter to precisely control the humidity; S2: The automatic humidity adjustment device compares the current ambient humidity sensed by the humidity sensor with the preset humidity value and automatically adjusts the proportion of humidifying gas C1 to achieve automatic humidity adjustment; specifically, when the current ambient humidity sensed by the humidity sensor is lower than the preset humidity value, the proportion of humidifying gas C1 is increased; when the current ambient humidity sensed by the humidity sensor is higher than the preset humidity value, the proportion of humidifying gas C1 is decreased.

[0026] S3: After the gas passes through the water environment and the humidity is adjusted, the humid gas C1 is adjusted to the humid gas C3. After the gas is heated in the heating chamber, the gas temperature rises or falls. The temperature and humidity linkage adjustment device adjusts the real-time temperature in the heating chamber according to the feedback of the temperature sensor, and at the same time controls the humidification device to adjust the humidity to meet the humidity control requirements when the temperature changes. The automatic humidity adjustment device and the temperature and humidity linkage adjustment device will work continuously to keep the ambient temperature and humidity within the set range.

[0027] As an embodiment of this application, before step S1, the test gas is switched by controlling the gas path opening and closing through a solenoid valve. Before switching the gas, the gas path is cleaned with a large flow of pure nitrogen or air to avoid cross-interference between the measuring gases before and after the measurement, which would affect the accuracy of the measurement results.

[0028] This application also provides a temperature and humidity control device system for oil and gas monitoring equipment, including: Humidity sensor: used to sense the current ambient humidity; Temperature sensor: used to sense the current ambient temperature; Programmable flow meter: used to distribute the ratio of dry gas to humid gas; Humidifier: Used to adjust the current air humidity; Heating chamber: used to regulate the current gas temperature; Automatic humidity adjustment module: Based on the comparison between the current ambient humidity sensed by the humidity sensor and the preset humidity value, automatically adjust the proportion of humidifying gas; Temperature and humidity linkage adjustment module: Based on feedback from the temperature sensor, it simultaneously controls the operation of the humidification device and the heating chamber to achieve linkage adjustment of temperature and humidity; Gas mixing humidity control device: Distributes the ratio of dry gas to humid gas through a programmable flow meter.

[0029] As an embodiment of this application, the system further includes a solenoid valve, which is used to control the on / off of different gas paths to switch the test gas.

[0030] In practical implementation, appropriate humidity and temperature / humidity thresholds, as well as gas samples with different humidity levels, can be set according to actual testing needs. After startup, when a gas sample with a specific humidity level needs to be generated, the gas mixing humidity control device will automatically adjust the ratio of dry gas to humid gas via a programmable flow meter based on a preset humidity value to precisely control the humidity. Simultaneously, the automatic humidity adjustment device will automatically adjust the humid gas ratio based on feedback from the temperature sensor and a comparison with the preset humidity value, achieving automatic humidity adjustment. After the gas is heated in the heating chamber, its temperature may rise or fall. The temperature and humidity linkage adjustment device will adjust the real-time temperature within the heating chamber based on feedback from the temperature sensor, while simultaneously controlling the humidification device to adjust the humidity to meet humidity control requirements during temperature changes. The automatic humidity adjustment device and the temperature and humidity linkage adjustment device will operate continuously to maintain the ambient temperature and humidity within the set range. This invention achieves precise humidity control in the gas testing environment while simultaneously controlling temperature and humidity. It synchronously adjusts the ambient temperature and humidity to maintain them within a set range. This effectively helps analyze measurement deviations introduced by temperature and humidity in gas concentration detection experiments, achieving temperature and humidity correction, further ensuring the accuracy of gas concentration measurements, shortening environmental testing time, and improving measurement precision.

[0031] The above description is merely a selection of preferred embodiments of this disclosure and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the invention involved in the embodiments of this disclosure is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-described inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in the embodiments of this disclosure.

Claims

1. A temperature and humidity control device for oil and gas monitoring equipment, characterized in that, It includes humidity sensors, temperature sensors, programmable flow meters, humidification devices, heating chambers, automatic humidity adjustment devices, temperature and humidity linkage adjustment devices, and gas mixing humidity control devices; The automatic humidity adjustment device is connected to the humidity sensor; The temperature and humidity linkage adjustment device is connected to the temperature sensor, humidification device, and heating chamber; The gas mixing humidity control device is connected to a programmable flow meter.

2. The temperature and humidity control device for an oil and gas monitoring equipment according to claim 1, characterized in that, It also includes a solenoid valve, which is used to control the opening and closing of different gas paths to switch the test gas.

3. A method for adjusting the temperature and humidity of an oil and gas monitoring device, using the apparatus described in any one of claims 1-2, characterized in that, The method includes the following steps: S1: The gas mixing humidity control device automatically adjusts the ratio of dry gas to humid gas according to the preset humidity value via a programmable flow meter; S2: The automatic humidity adjustment device compares the current ambient humidity sensed by the humidity sensor with the preset humidity value and automatically adjusts the proportion of humidifying gas to achieve automatic humidity adjustment. S3: After the gas is heated by the heating chamber, the gas temperature rises or falls. The temperature and humidity linkage adjustment device adjusts the real-time temperature in the heating chamber according to the feedback of the temperature sensor, and at the same time controls the humidification device to adjust the humidity.

4. The method for temperature and humidity control of an oil and gas monitoring device according to claim 1, characterized in that, The automatic adjustment of the humidifying gas ratio in step S2 specifically includes: When the humidity sensor detects that the current ambient humidity is lower than the preset humidity value, the proportion of humidifying gas is increased. When the humidity sensor detects that the current ambient humidity is higher than the preset humidity value, the proportion of humidifying gas is reduced.

5. The method for temperature and humidity control of an oil and gas monitoring device according to claim 1, characterized in that, Before step S1, the test gas is switched by controlling the gas path opening and closing with a solenoid valve. Before switching the gas, the gas path is cleaned with a large flow of pure nitrogen or air.

6. A temperature and humidity control system for an oil and gas monitoring device, characterized in that, include: Humidity sensor: used to sense the current ambient humidity; Temperature sensor: used to sense the current ambient temperature; Programmable flow meter: used to distribute the ratio of dry gas to humid gas; Humidifier: Used to adjust the current air humidity; Heating chamber: used to regulate the current gas temperature; Automatic humidity adjustment module: Based on the comparison between the current ambient humidity sensed by the humidity sensor and the preset humidity value, automatically adjust the proportion of humidifying gas; Temperature and humidity linkage adjustment module: Based on feedback from the temperature sensor, it simultaneously controls the operation of the humidification device and the heating chamber to achieve linkage adjustment of temperature and humidity; Gas mixing humidity control device: Distributes the ratio of dry gas to humid gas through a programmable flow meter.

7. The temperature and humidity control device system for an oil and gas monitoring equipment according to claim 6, characterized in that, It also includes a solenoid valve, which is used to control the opening and closing of different gas paths to switch the test gas.

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