CN213545107U - Anti-freezing oil chromatography online monitoring device - Google Patents
Anti-freezing oil chromatography online monitoring device Download PDFInfo
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- CN213545107U CN213545107U CN202022452239.6U CN202022452239U CN213545107U CN 213545107 U CN213545107 U CN 213545107U CN 202022452239 U CN202022452239 U CN 202022452239U CN 213545107 U CN213545107 U CN 213545107U
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Abstract
The utility model relates to an antifreeze oil chromatogram on-line monitoring device, which belongs to the antifreeze oil chromatogram antifreeze technical field; the technical problem to be solved is as follows: the improvement of the hardware structure of the online anti-freezing oil chromatography monitoring device is provided; the technical scheme for solving the technical problems is as follows: the anti-freezing device comprises an on-site device and an oil pipe, wherein the on-site device comprises a temperature management module, the temperature management module comprises a temperature control module processor, a power supply controller, an in-cabinet constant temperature unit, an anti-freezing circulation control unit, a node temperature controller and an ambient temperature sensor, an outer pipe is arranged on the outer side of the oil pipe, a sealed anti-freezing cavity is formed between the outer pipe and the oil pipe, anti-freezing liquid is filled in the anti-freezing cavity, the anti-freezing circulation control unit comprises an anti-freezing liquid circulating pump, the anti-freezing liquid circulating pump is communicated with the anti-freezing cavity through a pipeline, and the anti-freezing liquid is controlled to flow in the; the utility model discloses be applied to outdoor oil chromatography monitoring.
Description
Technical Field
The utility model relates to an antifreeze oil chromatogram on-line monitoring device belongs to antifreeze oil chromatogram on-line monitoring technical field.
Background
The air temperature in high altitude areas or northern areas is generally below zero in winter, and can even reach 20-30 ℃ below zero at night. Outdoor oil chromatogram on-line monitoring device is under extreme cold weather, because its own oil pipe and trachea are all superfine, and are metal conduit, under expend with heat and contract with cold's effect, oil pipe and trachea shrink more minutely, lead to oil mass and tolerance not enough easily to lead to the monitoring data inaccurate, the fortune dimension personnel obtain false reading, can't carry out effective monitoring to insulating oil equipment running states such as transformer. Meanwhile, the joints, valves and other connecting parts are easy to damage or block due to freezing. In the prior art, the oil pipe or the air pipe is mostly coated with heat insulation cotton or is not subjected to heat insulation, but the problems cannot be effectively solved.
Therefore, there is a need to provide an anti-freezing on-line monitoring device which can still operate normally under low-temperature freezing and can effectively solve the problem of oil chromatography at low temperature.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome not enough that exists among the prior art, the technical problem that will solve is: the improvement of the hardware structure of the anti-freezing oil chromatography on-line monitoring device is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: an anti-freezing oil chromatography online monitoring device comprises an on-site device and an oil pipe, wherein the on-site device comprises a cabinet body, a control module, a carrier gas module, an oil-gas separation module, a chromatography module and an oil pump, wherein the control module, the carrier gas module, the oil-gas separation module, the chromatography module and the oil pump are placed in the cabinet body;
the oil pipe comprises an oil taking pipe and an oil return pipe, one side of the oil taking pipe and one side of the oil return pipe are both connected with the transformer body, and the other side of the oil taking pipe and the other side of the oil return pipe are both connected with the on-site device, so that the insulating oil enters the on-site device from the transformer through the oil taking pipe and returns to the transformer from the oil return pipe after oil-gas separation;
the output of the oil taking pipe is connected with the oil-gas separation module through a pipeline, the output of the oil-gas separation module is connected with the chromatographic analysis module through a pipeline, the carrier gas module comprises a gas carrying cylinder, a barometer and a gas carrying pipe, the gas carrying cylinder is output to the oil-gas separation module through the gas carrying pipe, the oil pump is connected with the oil pipe through a pipeline, and the chromatographic analysis module sends analyzed data to the control module through a lead;
the on-site device also comprises a temperature management module, wherein the temperature management module comprises a temperature control module processor, a power supply controller for switching on and off or switching over the power supply of the temperature control module processor, an in-cabinet constant temperature unit for keeping the temperature inside the cabinet body at constant temperature and humidity, an anti-freezing circulation control unit, a node temperature controller and an environment temperature sensor for monitoring the external environment temperature, and the temperature control module processor is respectively connected with the power supply controller, the in-cabinet constant temperature unit, the anti-freezing circulation control unit, the node temperature controller and the environment temperature sensor through leads;
an outer pipe is arranged on the outer side of the oil pipe, a sealed anti-freezing cavity is formed between the outer pipe and the oil pipe, anti-freezing liquid is filled in the anti-freezing cavity, and an anti-freezing cavity main chamber is arranged in the anti-freezing cavity at the anti-freezing circulation control unit;
the anti-freezing circulation control unit comprises an anti-freezing liquid circulating pump, the anti-freezing liquid circulating pump is communicated with the anti-freezing cavity through a pipeline, and the anti-freezing liquid is controlled to flow in the anti-freezing cavity along the direction opposite to the circulation flow direction of the insulating oil in the oil pipe.
The on-site device is also provided with an auxiliary power supply module, the auxiliary power supply module comprises a laminated solar panel, a charging controller, a junction box, a storage battery string and a photovoltaic inverter which are sequentially connected, and the laminated solar panel is arranged at the top of the cabinet body.
The anti-freezing circulation control unit also comprises a main electronic controller, a main heating body, a main temperature sensor, a liquid pipe, an electromagnetic valve, a two-way pump, a liquid storage tank, a hydraulic sensor, an alarm, a mechanical hydraulic meter and a leakage collector, wherein the main heating body is arranged in the main chamber of the anti-freezing cavity;
the main electronic controller is respectively connected with the temperature control module processor, the main heating body, the main temperature sensor, the antifreeze circulating pump, the electromagnetic valve, the bidirectional pump, the hydraulic sensor and the alarm through leads;
the anti-freezing liquid is stored in the liquid storage tank, a liquid adding opening is further formed in the liquid storage tank, the liquid storage tank is connected with the anti-freezing cavity main chamber through a liquid pipe, the electromagnetic valve and the bidirectional pump are arranged at the connecting position of the liquid pipe and the anti-freezing cavity main chamber, and the hydraulic sensor is located in the anti-freezing cavity main chamber;
the mechanical hydraulic gauge is arranged on the main chamber of the anti-freezing cavity, and the leakage collector is arranged at the lower end of the anti-freezing circulation control unit.
The node temperature controllers are arranged in the anti-freezing cavity, and are arranged at intervals or at specific positions;
the node temperature controller is connected with the anti-freezing circulation control unit through a wire, and is powered on by a power supply through the anti-freezing circulation control unit;
the node temperature controller comprises a node temperature controller shell, an auxiliary heating body, an auxiliary temperature sensor and an auxiliary electronic controller, and the auxiliary electronic controller is respectively connected with the auxiliary heating body, the auxiliary temperature sensor and the temperature control module processor through leads;
the anti-freezing cavity and the node temperature controller cover an oil taking joint of the oil taking pipe and an oil return joint of the oil return pipe.
The main heating body is spiral, the auxiliary heating body is spiral, and the auxiliary heating body is arranged in the anti-freezing cavity.
The lower side of the node temperature controller shell is provided with a support, and the support is erected on the ground and used for supporting the node temperature controller.
The outer pipe is made of a heat-insulating anti-corrosion material.
The cabinet is characterized in that a directional lighting device is further arranged in the cabinet body and comprises a spotlight, a spotlight control circuit and an infrared distance sensor, a plurality of spotlights are arranged on the top wall in the cabinet body, the spotlights face a barometer of the gas carrying cylinder and a mechanical hydraulic pressure meter of the anti-freezing circulation control unit respectively, and the spotlight is electrically connected with the spotlight control circuit and the infrared distance sensor.
The temperature range of the antifreeze is set to be higher than the temperature of the insulating oil in the transformer by 3-5 ℃.
The utility model discloses beneficial effect for prior art possesses does:
(1) the prior art lacks a method for heating an oil taking pipe and an oil return pipe for freeze prevention. The utility model discloses be applied to oil chromatogram on-line monitoring device specially, use the method that antifreeze combines intelligent heating to solve oil chromatogram on-line monitoring device and get oil pipe and return oil pipe shrinkage and lead to the oil mass to diminish in low temperature cold environment, arouse the problem of monitoring data distortion.
(2) Due to the arrangement of the node temperature controller, when the oil pipe is too long, each section of anti-freezing liquid of the oil pipe can be controlled to be kept at the same set temperature, and the phenomenon that the local anti-freezing liquid is cooled and loses temperature due to the fact that the oil pipe is too long is prevented.
(3) The auxiliary power supply module provides replaceable clean electric energy for the temperature management module, saves electric power and is particularly suitable for the weather of sunny and nightly snow in north China.
(4) The shot-light is towards the barometer of year gas cylinder, the mechanical hydraulic pressure table of frostproofing circulation the control unit respectively, and when the cabinet door of the cabinet body was opened by fortune dimension personnel, can illuminate barometer and mechanical hydraulic pressure table automatically, makes things convenient for fortune dimension personnel to observe the record meter reading in poor light or dark environment, need not hand-held torch again, record on the other hand.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of the on-site installation of the present invention.
Fig. 2 is a schematic structural diagram of the antifreeze circulation control unit of the present invention.
Fig. 3 is a schematic view of the anti-freezing cavity and node temperature controller of the present invention.
Fig. 4 is a schematic diagram of the hierarchical structure of the on-site installation of the present invention.
Fig. 5 is a schematic view of a communication hierarchy structure of the temperature management module of the present invention.
In the figure: 1 is an on-site device, 2 is an oil pipe, 11 is a cabinet body, 12 is a control module, 13 is a carrier gas module, 14 is an oil pump, 15 is an oil-gas separation module, 16 is a chromatographic analysis module, 17 is a temperature management module, 18 is an outer pipe, 19 is an auxiliary power supply module, 21 is an oil taking pipe, 22 is an oil return pipe, 131 is a gas carrying bottle, 132 is a gas pressure gauge, 133 is a gas carrying pipe, 171 is a temperature control module processor, 172 is a power supply controller, 173 is an in-cabinet constant temperature unit, 174 is an anti-freezing circulation control unit, 175 is a node temperature controller, 176 is an environmental temperature sensor, 181 is an anti-freezing cavity, 182 is an anti-freezing liquid, 183 is an anti-freezing cavity main chamber 191, is a laminated solar panel, 192 is a charging controller, 193 is a junction box, 194 is a storage battery string, 195 is a photovoltaic inverter, 1741 is a main electronic controller, 1742 is a main heating body, 1743 is a main, 1746 is solenoid valve, 1747 is bidirectional pump, 1748 is liquid reserve tank.
Detailed Description
As shown in fig. 1 to 5, the present invention is directed to provide an on-line oil chromatography monitoring device and a freezing prevention method thereof, which can still operate normally in low-temperature freezing.
The utility model relates to an anti-freezing oil chromatography on-line monitoring device, which comprises an on-site device 1 and an oil pipe 2, wherein the on-site device 1 comprises a cabinet body 11, a control module 12, a carrier gas module 13, an oil pump 14, an oil-gas separation module 15, a chromatographic analysis module 16 and a temperature management module 17; the oil pipe 2 is divided into an oil taking pipe 21 and an oil return pipe 22, the oil taking pipe 21 is output and connected to the oil-gas separation module 15, mixed gas is separated from insulating oil, the oil-gas separation module 15 is output and connected to the chromatographic analysis module 16, the carrier gas module 13 comprises a carrier gas bottle 131, a barometer 132 and a carrier gas pipe 133, the carrier gas bottle 131 is output and connected to the oil-gas separation module 15 through the carrier gas pipe 133, the mixed gas separated by carrier gas driving enters the chromatographic analysis module, the oil pump 14 is connected with the oil pipe 2, the chromatographic analysis module 16 is connected with the control module 12, and detected and analyzed data are uploaded. A cabinet door is arranged on the cabinet body 11, and the cabinet body 11 is hinged with the cabinet door.
Further, the temperature management module 17 includes a temperature control module processor 171, a power controller 172, an in-cabinet constant temperature unit 173, an anti-freezing cycle control unit 174, a node temperature controller 175, and an ambient temperature sensor 176, where the in-cabinet constant temperature unit 173 includes a temperature and humidity adjusting device 1731 located at the rear of the cabinet body; the temperature and humidity adjusting device 1731 can keep the temperature inside the cabinet body at a constant temperature and humidity, so as to prevent leakage caused by increased air pressure due to overheating of gas transmission pipelines such as a gas carrier pipe and the like, or insufficient air volume received by a chromatographic analysis module caused by cold contraction of the gas transmission pipelines due to supercooling, so that chromatographic analysis is inaccurate; and excessive humidity leads to accelerated corrosion; the power controller 172 is configured to perform switching management on the power of the temperature management module 17. The ambient temperature sensor 176 is used to monitor the outside ambient temperature.
An outer pipe 18 is arranged outside the oil pipe 2, a sealed anti-freezing cavity 181 is formed between the outer pipe 18 and the oil pipe 2, anti-freezing liquid 182 is filled in the anti-freezing cavity 181, and an anti-freezing cavity main chamber 183 is arranged in the anti-freezing cavity 181 at the anti-freezing circulation control unit 174.
The anti-freezing circulation control unit 174 comprises a main electronic controller 1741, a main heating body 1742, a main temperature sensor 1743, an anti-freezing liquid circulating pump, a hydraulic pressure sensor 1744, a liquid pipe 1745, an electromagnetic valve 1746, a bidirectional pump 1747, a liquid storage tank 1748, an alarm, a mechanical hydraulic pressure gauge and a leakage collector.
The main electronic controller 1741 is connected with the temperature control module processor 171, the main heating body 1742, the main temperature sensor 1743, the antifreeze circulating pump, the hydraulic sensor 1744, the solenoid valve 1746, the bidirectional pump 1747 and the alarm through a communication cable, and the antifreeze circulating pump is communicated with the antifreeze chamber main chamber 183 to provide power for the circulating flow of the antifreeze, so that the antifreeze 182 flows in the antifreeze chamber 181 in one direction, which is opposite to the flowing direction of the insulating oil in the oil pipe, thereby increasing the heat conduction rate.
The liquid storage box 1748 is connected with the anti-freezing cavity main chamber 183 through a liquid pipe 1745, a solenoid valve 1746 and a bidirectional pump 1747 are arranged at the joint of the liquid pipe 1745 and the anti-freezing cavity main chamber 183, and the hydraulic sensor 1744 is located in the anti-freezing cavity main chamber 183.
The main heating body 1742 is helical and is disposed in the anti-freezing chamber main chamber 183.
The anti-freezing cavity is provided with a node temperature controller 175 at intervals, the node temperature controller 175 is connected with the anti-freezing circulation control unit 174 through a conducting wire, the anti-freezing circulation control unit 174 is powered on, the node temperature controller 175 comprises a node temperature controller shell 1751, an auxiliary heating body 1752, an auxiliary temperature sensor 1753 and an auxiliary electronic controller 1754, the auxiliary electronic controller 1754 is connected with the auxiliary heating body 1752, the auxiliary temperature sensor 1753 and the temperature control module processor 171 through a communication cable, the auxiliary heating body 1752 is spiral, and the auxiliary heating body 1752 is arranged in the anti-freezing cavity 181 in a winding manner.
The anti-freezing cavity 181 and the node temperature controller 175 also cover the oil taking joint of the oil taking pipe 21 and the oil return joint of the oil return pipe 22, so as to prevent the joints from being frozen and blocked or damaged due to low temperature.
The temperature of the antifreeze fluid 182 is set to a value slightly higher than the temperature of the insulating oil in the transformer, for example, higher than 3-5 ℃, so that the temperature of the insulating oil in the oil pipe is kept substantially the same as the temperature of the insulating oil in the transformer when the temperature of the antifreeze fluid is conducted to the insulating oil in the oil pipe through the oil pipe. The set value may be a fixed value or a range.
When the ambient temperature sensor 176 detects that the external ambient temperature is appropriate, the temperature control module processor 171 automatically issues an instruction to turn off the temperature management module 17, thereby saving power.
Further, a bracket is provided at the lower side of the node thermostat housing 1751, and the bracket may be erected on the ground or other members for supporting the node thermostat 175.
Further, the on-site device 1 is further provided with an auxiliary power supply module 19, the auxiliary power supply module 19 comprises a laminated solar panel 191, a charging controller, a junction box, a storage battery string 192 and a photovoltaic inverter, the laminated solar panel 191 is arranged at the top of the cabinet body 11, the laminated solar panel 191, the charging controller, the junction box, the storage battery string 192 and the photovoltaic inverter are sequentially connected, when the fact that the storage battery string 192 is fully charged is detected, the temperature control module processor 171 is connected with the auxiliary power supply module 19 through the power controller 172, and the storage battery string 192 provides electric energy for the temperature management module 17. Therefore, the electric power is saved, and the solar electric heater is particularly suitable for the weather of snow at sunny days and nights.
Further, still be provided with directional lighting device in the cabinet body, directional lighting device includes shot-light, shot-light control circuit and infrared distance sensor, be provided with a plurality of shot-lights on the internal roof of cabinet, the shot-light is respectively towards the barometer 132 of year gas cylinder, the mechanical hydraulic pressure table of frostproofing circulation the control unit 174, the shot-light is connected with shot-light control circuit and infrared distance sensor electricity. When the cabinet door of the cabinet body is opened by operation and maintenance personnel, the infrared distance sensor detects that the distance of the cabinet door becomes far away, the spotlight control circuit is driven, the spotlight is opened, the barometer and the mechanical hydraulic gauge are illuminated, and the operation and maintenance personnel can observe the air pressure of the gas-carrying bottle and the hydraulic pressure of the antifreeze solution in the bad weather of light or at night.
Furthermore, a hanging frame is further arranged on the inner wall of the cabinet body of the anti-freezing oil chromatography on-line monitoring device, a foam spraying bottle is hung on the hanging frame, and liquid capable of generating foam can be contained in the foam spraying bottle. When the pipeline valve or joint is installed or maintained, such as the replacement of a gas carrier bottle, a foam spray bottle can be used for spraying on the gas carrier valve or joint, and if the foam is not rapidly broken in a certain time, the air tightness is good.
Furthermore, the antifreeze oil chromatography online monitoring device and the central control screen jointly form a set of antifreeze oil chromatography online monitoring system.
The outer pipe 18 is made of a heat-insulating and corrosion-resistant material.
The control module 12 is used for controlling the other modules, operating and storing data, communicating with the central control screen and the like; the carrier gas module 13 is used for providing carrier gas; the oil pump 14 is used for providing power for taking oil from the transformer and returning the oil to the transformer; the oil-gas separation module 15 is used for separating mixed gas dissolved in the insulating oil; the chromatographic analysis module 16 separates and measures gases such as carbon monoxide (CO), methane (CH 4), carbon dioxide (CO 2), ethylene (C2H 4), acetylene (C2H 2), ethane (C2H 6) and the like in the mixed gas by using a chromatographic principle.
When the hydraulic sensor detects that the hydraulic pressure of the anti-freezing liquid in the anti-freezing cavity main chamber 183 is insufficient, the main electronic controller 1741 transmits a signal to the temperature control module processor 171, the temperature control module processor 171 opens the electromagnetic valve and the bidirectional pump through the main electronic controller 1741, the anti-freezing liquid 182 is pumped into the anti-freezing cavity main chamber 183 from the liquid storage tank 1748 through the liquid pipe by the bidirectional pump, when the hydraulic sensor detects that the hydraulic pressure of the anti-freezing liquid in the anti-freezing cavity main chamber 183 reaches a standard value, the main electronic controller 1741 transmits a signal to the temperature control module processor 171, and the temperature control module processor 171 closes the electromagnetic valve and the bidirectional pump through the main electronic controller; when the hydraulic sensor detects that the hydraulic pressure of the anti-freezing liquid in the anti-freezing cavity main chamber 183 is too high, the main electronic controller 1741 transmits a signal to the temperature control module processor 171, the temperature control module processor 171 opens the electromagnetic valve and the bidirectional pump through the main electronic controller 1741, the anti-freezing liquid 182 is pumped from the anti-freezing cavity main chamber into the liquid storage tank 1748 through the liquid pipe by the bidirectional pump, when the hydraulic sensor detects that the hydraulic pressure of the anti-freezing liquid in the anti-freezing cavity main chamber 183 reaches a standard value, the main electronic controller 1741 transmits a signal to the temperature control module processor 171, and the temperature control module processor 171 closes the electromagnetic valve and the bidirectional pump through the main electronic controller 1748, so that the anti-freezing liquid in the anti-freezing cavity main chamber is kept.
When the hydraulic sensor detects that the hydraulic pressure of the anti-freezing liquid in the main chamber of the anti-freezing chamber is rapidly reduced to the alarm threshold value, the fact that leakage occurs at a certain position of the anti-freezing chamber is indicated, the temperature control module processor 171 sends an alarm signal to the alarm, and the alarm sends an alarm.
Different from the hydraulic sensor, the mechanical hydraulic gauge is arranged on the anti-freezing cavity main chamber 183, the anti-freezing liquid pressure is measured by adopting a pressure-sensitive element and is displayed by a mechanical pointer, the mechanical hydraulic gauge can be conveniently and visually checked by operation and maintenance personnel on site, and the situation that the anti-freezing liquid pressure cannot be measured after the hydraulic sensor has an electronic fault can be prevented. The leaking liquid collector is disposed at the lowest end of the anti-freezing circulation control unit 174 and is configured to collect leaking liquid when anti-freezing liquid is added to the liquid storage tank or replaced.
The main heating body 1742 is the heliciform, main heating body 1742 arranges in the chamber main chamber 183 that prevents frostbite, and when main temperature sensor 1743 found that this department antifreeze temperature is less than the setting value, main electronic controller 1741 sends a signal to temperature control module treater 171, and temperature control module treater 171 receives the signal and sends the heating signal to main electronic controller 1741, and main electronic controller 1741 controls the heating of main heating body 1742, and it reaches the setting temperature to main temperature sensor 1743 monitors antifreeze.
The anti-freezing cavity 181 is provided with a node temperature controller 175 at intervals or a specific position with the node temperature controller 175, the node temperature controller 175 is connected with the anti-freezing circulation control unit 174 through a conductive wire and is powered on by the anti-freezing circulation control unit 174, the node temperature controller 175 comprises a node temperature controller housing, an auxiliary heating body, an auxiliary temperature sensor and an auxiliary electronic controller, the auxiliary electronic controller is connected with the auxiliary heating body, the auxiliary temperature sensor and a temperature control module processor through communication cables, the auxiliary heating body is spiral, the auxiliary heating body is arranged in the anti-freezing cavity, when the temperature of the anti-freezing liquid detected by the auxiliary temperature sensor is lower than a set value, the auxiliary electronic controller sends an electric signal to the temperature control module processor, the temperature control module processor sends a heating signal to the auxiliary electronic controller after receiving the signal, and the auxiliary electronic controller controls, until the temperature of the antifreeze liquid monitored by the auxiliary temperature sensor reaches a set value.
Therefore, when the oil pipe is too long, the temperature of each section of the anti-freezing solution 182 or the temperature of the anti-freezing solution at a specific position can be accurately controlled, and the anti-freezing solution at the far end is prevented from being cooled and lost temperature due to the fact that the oil pipe is too long, so that a good anti-freezing effect cannot be achieved. The anti-freezing cavity 181 and the node temperature controller 175 also cover the oil taking joint of the oil taking pipe and the oil return joint of the oil return pipe at the same time, so as to prevent the joints from being frozen and blocked or damaged due to low temperature.
The set value of the antifreeze temperature is slightly higher than the temperature of the insulating oil in the transformer, for example, higher than 3-5 ℃, so that when the antifreeze temperature is transmitted to the insulating oil in the oil pipe through the pipe wall of the oil pipe, the temperature of the insulating oil in the oil pipe is kept basically consistent with the temperature of the insulating oil in the transformer, and the phenomenon that the insulating oil is cracked and gas is separated out at an accelerated speed when passing through the oil pipe due to overhigh temperature is avoided, so that the distortion of an oil chromatography detection sample is caused; or the insulating oil is difficult to circulate due to low temperature.
The utility model discloses a still disclose the frostproofing method of oil chromatogram on-line monitoring device. The method uses the oil chromatogram on-line monitoring device.
When the outside ambient temperature is too low, the temperature management module 17 needs to be used. Before the temperature management module 17 is started, the antifreeze chamber 181 and the antifreeze 182 in the main chamber thereof are insufficient in liquid amount due to consumption or the like, and the hydraulic pressure sensor detects that the antifreeze liquid in the main chamber of the antifreeze chamber is insufficient in hydraulic pressure. Due to heat conduction, the temperature of the antifreeze 182 is lower than the temperature of the insulating oil, higher than the temperature of the external environment, and lower than the set value. The antifreeze method therefore includes the following process steps.
(1) Starting the temperature management module 17; the antifreeze liquid circulating pump drives the antifreeze liquid to flow in the direction opposite to the flow direction of the insulating oil in the oil pipe;
(2) the main electronic controller 1741 transmits a signal to the temperature control module processor 171, the temperature control module processor 171 opens the electromagnetic valve and the bidirectional pump through the main electronic controller 1741, the antifreeze liquid 182 is pumped from the liquid storage tank 1748 into the main anti-freezing chamber 183 through the liquid pipe by the bidirectional pump, when the hydraulic sensor detects that the hydraulic pressure of the antifreeze liquid in the main anti-freezing chamber reaches a standard value, the main electronic controller 1741 transmits a signal to the temperature control module processor 171, and the temperature control module processor 171 closes the electromagnetic valve and the bidirectional pump through the main electronic controller 1741;
(3) when the main temperature sensor 1743 detects that the temperature of the antifreeze solution at the position is lower than a set value, the main electronic controller 1741 sends a signal to the temperature control module processor 171, the temperature control module processor 171 receives the signal and then sends a heating signal to the main electronic controller 1741, and the main electronic controller 1741 controls the main heating body 1742 to heat until the main temperature sensor 1743 detects that the temperature of the antifreeze solution reaches the set temperature;
(4) the auxiliary temperature sensor detects that the temperature of the antifreeze liquid at the position is lower than a set value, the auxiliary electronic controller sends an electric signal to the temperature control module processor 171, the temperature control module processor 171 sends a heating signal to the auxiliary electronic controller after receiving the signal, and the auxiliary electronic controller controls the auxiliary heating body to heat until the auxiliary temperature sensor detects that the temperature of the antifreeze liquid reaches the set value;
(5) when the battery string is detected to be fully charged, the temperature control module processor 171 switches the external power supply to switch on the auxiliary power supply module 19 through the power controller, and the battery string provides electric energy for the temperature management module.
After the steps (3) and (4), under the condition that the main heating body and the auxiliary heating body are continuously heated, the whole anti-freezing cavity 181 and the anti-freezing liquid 182 flowing in the main chamber gradually reach a set value, heating is stopped, the main temperature sensor 1743 and the auxiliary temperature sensor continuously monitor the temperature of the anti-freezing liquid at the position, if the temperature of the anti-freezing liquid at the position is lower than the set value, the heating body at the position is started, and the whole anti-freezing liquid is kept at the set value.
The utility model discloses well temperature management module can be applied to among the different grade type oil chromatogram on-line monitoring device among the prior art, and the homoenergetic plays the effect of preventing frostbite. The cabinet body and the control module, the carrier gas module, the oil pump, the oil-gas separation module and the chromatographic analysis module in the oil chromatography on-line monitoring device can be the prior art, and the structure of the cabinet body and the control module, the carrier gas module, the oil pump, the oil-gas separation module and the chromatographic analysis module is not repeated herein. The structure and connection of the other devices not described in detail are also common knowledge.
About the utility model discloses what the concrete structure need explain, the utility model discloses a each part module connection relation each other is definite, realizable, except that the special explanation in the embodiment, its specific connection relation can bring corresponding technological effect to based on do not rely on under the prerequisite of corresponding software program execution, solve the utility model provides a technical problem, the utility model provides a model, the connection mode of parts, module, specific components and parts that appear all belong to the prior art such as the published patent that technical staff can acquire before the application day, published journal paper, or common general knowledge, need not to describe in detail for the technical scheme that the present case provided is clear, complete, realizable, and can be according to this technical means or obtain corresponding entity product.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. An anti-freezing oil chromatography online monitoring device comprises an on-site device (1) and an oil pipe (2), wherein the on-site device (1) comprises a cabinet body (11), a control module (12) placed in the cabinet body (11), a carrier gas module (13), an oil-gas separation module (15), a chromatography module (16) and an oil pump (14);
the oil pipe (2) comprises an oil taking pipe (21) and an oil return pipe (22), one sides of the oil taking pipe (21) and the oil return pipe (22) are connected with the transformer body, and the other sides of the oil taking pipe (21) and the oil return pipe (22) are connected with the on-site device (1), so that insulating oil enters the on-site device (1) from the transformer through the oil taking pipe (21) and returns to the transformer through the oil return pipe (22) after oil-gas separation;
the output of the oil taking pipe (21) is connected with an oil-gas separation module (15) through a pipeline, the output of the oil-gas separation module (15) is connected with a chromatographic analysis module (16) through a pipeline, the carrier gas module (13) comprises a carrier gas bottle (131), a barometer (132) and a carrier gas pipe (133), the carrier gas bottle (131) is output to the oil-gas separation module (15) through the carrier gas pipe, the oil pump (14) is connected with the oil pipe (2) through a pipeline, and the chromatographic analysis module (16) sends analyzed data to the control module (12) through a lead;
the method is characterized in that: the in-situ device (1) further comprises a temperature management module (17), wherein the temperature management module (17) comprises a temperature control module processor (171), a power supply controller (172) for switching on and off or switching over the power supply of the temperature control module processor (171), an in-cabinet constant temperature unit (173) for enabling the temperature inside the cabinet body to be at constant temperature and humidity, an anti-freezing circulation control unit (174), a node temperature controller (175) and an environment temperature sensor (176) for monitoring the external environment temperature, and the temperature control module processor (171) is respectively connected with the power supply controller (172), the in-cabinet constant temperature unit (173), the anti-freezing circulation control unit (174), the node temperature controller (175) and the environment temperature sensor (176) through leads;
an outer pipe (18) is arranged on the outer side of the oil pipe (2), a sealed anti-freezing cavity (181) is formed between the outer pipe (18) and the oil pipe (2), anti-freezing liquid (182) is filled in the anti-freezing cavity (181), and an anti-freezing cavity main chamber (183) is arranged in the anti-freezing cavity (181) at the anti-freezing circulation control unit (174);
the anti-freezing circulation control unit (174) comprises an anti-freezing liquid circulating pump, the anti-freezing liquid circulating pump is communicated with the anti-freezing cavity (181) through a pipeline, and anti-freezing liquid (182) is controlled to flow in the anti-freezing cavity (181) along the direction opposite to the circulation flow direction of the insulating oil in the oil pipe (2).
2. The antifreeze oil chromatography online monitoring device of claim 1, wherein: the on-site device (1) is further provided with an auxiliary power supply module (19), the auxiliary power supply module (19) comprises a laminated solar panel (191), a charging controller (192), a junction box (193), a storage battery string (194) and a photovoltaic inverter (195) which are sequentially connected, and the laminated solar panel (191) is arranged at the top of the cabinet body (11).
3. The antifreeze oil chromatography online monitoring device of claim 2, wherein: the anti-freezing circulation control unit (174) further comprises a main electronic controller (1741), a main heating body (1742), a main temperature sensor (1743), a liquid pipe (1745), an electromagnetic valve (1746), a bidirectional pump (1747), a liquid storage tank (1748), a hydraulic sensor, an alarm, a mechanical hydraulic gauge and a leakage collector, wherein the main heating body (1742) is arranged in the anti-freezing main chamber (183);
the main electronic controller (1741) is respectively connected with the temperature control module processor (171), the main heating body (1742), the main temperature sensor (1743), the antifreeze circulating pump, the electromagnetic valve (1746), the bidirectional pump (1747), the hydraulic sensor and the alarm through wires;
the anti-freezing liquid is stored in the liquid storage tank (1748), a liquid adding opening is further formed in the liquid storage tank (1748), the liquid storage tank (1748) is connected with the anti-freezing cavity main chamber (183) through a liquid pipe (1745), the electromagnetic valve (1746) and the bidirectional pump (1747) are arranged at the connecting position of the liquid pipe (1745) and the anti-freezing cavity main chamber (183), and the hydraulic sensor is located in the anti-freezing cavity main chamber (183);
the mechanical hydraulic gauge is arranged on the main chamber (183) of the anti-freezing cavity, and the leakage collector is arranged at the lower end of the anti-freezing circulation control unit (174).
4. The antifreeze oil chromatography online monitoring device of claim 3, wherein: the node temperature controllers (175) are arranged in the anti-freezing cavity (181), and the node temperature controllers (175) are arranged at intervals or at specific positions;
the node temperature controller (175) is connected with the anti-freezing circulation control unit (174) through a lead, and the power supply is switched on through the anti-freezing circulation control unit (174) to supply power to the node temperature controller (175);
the node temperature controller (175) comprises a node temperature controller shell, an auxiliary heating body, an auxiliary temperature sensor and an auxiliary electronic controller, wherein the auxiliary electronic controller is respectively connected with the auxiliary heating body, the auxiliary temperature sensor and the temperature control module processor through leads;
the anti-freezing cavity (181) and the node temperature controller (175) cover the oil taking joint of the oil taking pipe (21) and the oil return joint of the oil return pipe (22).
5. The antifreeze oil chromatography online monitoring device of claim 4, wherein: the main heating body (1742) is spiral, the auxiliary heating body is spiral, and the auxiliary heating body is arranged in the anti-freezing cavity (181).
6. The antifreeze oil chromatography online monitoring device of claim 5, wherein: the lower side of the shell of the node temperature controller (175) is provided with a support, and the support is erected on the ground and used for supporting the node temperature controller (175).
7. The antifreeze oil chromatography online monitoring device of claim 6, wherein: the outer pipe (18) is made of a heat-insulating anti-corrosion material.
8. The antifreeze oil chromatography online monitoring device of claim 7, wherein: the cabinet is internally provided with a directional lighting device which comprises a spotlight, a spotlight control circuit and an infrared distance sensor, the top wall in the cabinet is provided with a plurality of spotlights, the spotlights respectively face a barometer (132) of the gas-carrying cylinder and a mechanical hydraulic pressure meter of an anti-freezing circulation control unit (174), and the spotlight is electrically connected with the spotlight control circuit and the infrared distance sensor.
9. The antifreeze oil chromatography online monitoring device of claim 8, wherein: the temperature range of the anti-freezing liquid (182) is set to be higher than the temperature of the insulating oil in the transformer by 3-5 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022452239.6U CN213545107U (en) | 2020-10-29 | 2020-10-29 | Anti-freezing oil chromatography online monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022452239.6U CN213545107U (en) | 2020-10-29 | 2020-10-29 | Anti-freezing oil chromatography online monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN213545107U true CN213545107U (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022452239.6U Active CN213545107U (en) | 2020-10-29 | 2020-10-29 | Anti-freezing oil chromatography online monitoring device |
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| Country | Link |
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| CN (1) | CN213545107U (en) |
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