CN214742281U - Monitoring system for running of fan for cooling transformer - Google Patents
Monitoring system for running of fan for cooling transformer Download PDFInfo
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- CN214742281U CN214742281U CN202120754118.9U CN202120754118U CN214742281U CN 214742281 U CN214742281 U CN 214742281U CN 202120754118 U CN202120754118 U CN 202120754118U CN 214742281 U CN214742281 U CN 214742281U
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Abstract
The utility model discloses a monitoring system that is used for transformer cooling to use fan operation, include: the system comprises a fan signal acquisition module, a first monitoring control module and a second monitoring control module; the fan signal acquisition module comprises a wind speed detector, a temperature detector and a voltage and current collector, and the wind speed detector and the temperature detector are fixed on the support frame through mounting components; the first monitoring control module comprises a first shell, a power interface, a voltage converter, a first display module, a first control module, an alternating current contactor and a first communication module, wherein the power interface, the voltage converter, the first display module, the first control module, the alternating current contactor and the first communication module are arranged in the first shell; the second monitoring module comprises a second shell, an internal power supply, a second display module, a second control module and a second communication module, the second display module and the second control module are connected with the internal power supply, and the output end of the second control module is connected with the second display module. The utility model discloses a set up ac contactor and realize opening the automation of fan and stop, degree of automation is high.
Description
Technical Field
The utility model relates to a power equipment technical field, concretely relates to a monitoring system that is used for fan operation for transformer cooling.
Background
The reliable operation of the air-cooled transformer cooling fan in the transformer substation is stable in relation to a power supply system, the starting and the input of the fan are usually realized through an automatic device, however, the automatic device does not have the function of identifying whether the fan operates, and if the fan is damaged and cannot operate, the transformer cannot be effectively cooled. For example, in the hot summer season of Turpan, where the surface temperature may reach 75 degrees Celsius, there is a strong possibility of causing the main transformer oil level to rise back quickly and the main transformer oil to expand, resulting in a series of unpredictable accidents. In view of this, it is known that whether the main transformer fan normally operates is crucial to cooling transformer oil, and real-time monitoring of the fan operation state is particularly important.
At present, if the fan does not rotate or rotates slowly due to various problems of motor burnout, bearing jamming, blade damage and the like, operation and maintenance personnel cannot quickly obtain information and can find the information only by inspection in a transformer substation. According to investigation, no related product capable of monitoring the operation of the main transformer fan exists in the market at present.
Therefore, there is a need to provide a new monitoring system for the operation of a fan for cooling a transformer to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, disclose a monitoring system for fan operation is used in transformer cooling, its operation through thermodetector real-time supervision transformer fan in time discovers trouble and in time maintains, powerful assurance transformer fan's normal operating, effectively avoid transformer fan to receive the damage through automatic disconnected electric energy.
The utility model provides a technical scheme that its technical problem adopted is: a monitoring system for transformer cooling fan operation, comprising:
the system comprises a fan signal acquisition module, a first monitoring control module and a second monitoring control module;
the fan signal acquisition module comprises a wind speed detector, a temperature detector and a voltage and current collector, and the wind speed detector and the temperature detector are fixed on the support frame through mounting components;
the first monitoring control module comprises a first shell, and a power interface, a voltage converter, a first display module, a first control module, an alternating current contactor and a first communication module which are arranged in the first shell;
the first display module is embedded in a display window on the upper surface of the first shell, a power interface and a main power switch are arranged on the side edge of the first shell, a communication interface is arranged on the other side of the first shell, the main power switch is arranged on an output line of the power interface in series, the output end of the voltage converter is connected with the first display module and the first control module, the alternating current contactor is arranged on a power supply line of the fan in series, and the control end of the alternating current contactor is connected with the output end of the first control module;
the second monitoring control module comprises a second shell, an internal power supply, a second display module, a second control module and a second communication module, the second display module and the second control module are connected with the internal power supply, the output end of the second control module is connected with the second display module, and the second control module is connected with the second communication module.
As a further technical scheme of the utility model does, the support frame includes the fixed plate, first curb plate and second curb plate vertical fixation are in one side of fixed plate, the opposite side setting of fixed plate is used for the cell type hole fixed with the fan, the installation component includes first mounting panel and second mounting panel, first mounting panel setting is in the top of first curb plate and second curb plate and fixed with the fixed plate, the second mounting panel sets up the below at first curb plate and second curb plate, first mounting panel and second mounting panel pass through the bolt and are connected with the fixed plate.
As a further technical scheme of the utility model do, first control module still connects the speed regulator, the speed regulator is connected with the power supply line of fan, the speed governing knob of speed regulator sets up the upper end at first shell, first monitoring control module and second monitoring control module all set up reset button.
As a further technical scheme of the utility model do, first alarm module and second alarm module are connected in first monitoring control module and second monitoring control module's still.
As a further technical scheme of the utility model does, first mounting panel sets up first installation screw, set up second installation screw on the second mounting panel, set up the mounting hole on the support frame, first mounting panel and second mounting panel pass through bolt and support frame fixed connection.
As a further technical solution of the present invention, the first communication module and the second communication module employ a lora antenna.
As a further technical scheme of the utility model does, first control module is the controller of STM32F407ZGT6 model, first display module and second display module adopt the resolution ratio to be 800 MCU capacitive touch screen 480, thermodetector is the thermodetector of TH10S-B model, anemoscope is the anemoscope of RS485 interface.
Compared with the prior art, the utility model has the following advantage:
1. in the embodiment of the utility model, the first monitoring control module can monitor the states of a plurality of fans at the front end to ensure the normal heat dissipation of the transformer bank, the fan signal acquisition module is arranged on the fan to detect the operating voltage, current, wind speed and temperature of the fan to obtain the operating state of the fan, the first monitoring control module can realize the control of overvoltage and overtemperature conditions through the first control module, and the control of the fan is realized by setting the upper limit value of the voltage and the upper limit value of the temperature;
2. the second monitoring control module is communicated with the first monitoring control module in a wireless communication mode, and can realize handheld remote control, so that the second monitoring control module is convenient to overhaul and maintain, is powered by a built-in power supply and is convenient to carry;
3. the first display module is used for displaying the running state of the fan, the setting of parameters can be realized through setting, and the first display module adopts a touch type capacitive screen, so that the operation is convenient;
4. the second display module receives and displays monitoring data of the first monitoring control module, remote setting of parameters is carried out through the setting button, the first monitoring control module and the second monitoring control module achieve real-time synchronous transmission of data through the first communication module and the second communication module, the second monitoring control module can control starting and stopping of the fan through the manual control button, and when the voltage or the temperature of the fan exceeds a set upper limit value, the first monitoring control module controls the alternating current contactor to enable the alternating current contactor arranged on a fan power supply line to be disconnected, and the fan stops running;
5. the utility model discloses a set up ac contactor and can realize opening the automation of fan and stop, when taking place excessive pressure or the excess temperature condition, do not need the manual work to open and stop the operation, convenient operation, degree of automation is high.
Drawings
Fig. 1 is a structural diagram of a monitoring system for operation of a fan for cooling a transformer according to the present invention;
fig. 2 is a schematic block diagram of a monitoring system for operation of a fan for cooling a transformer according to the present invention;
FIG. 3 is a structural diagram of a fan signal acquisition module according to the present invention;
fig. 4 is a structural diagram of an embodiment of the present invention.
Description of reference numerals:
10-fan signal acquisition module, 20-first monitoring control module, 30-second monitoring control module, 50-support frame and 40-installation assembly
101-a wind speed detector, 102-a temperature detector and 103-a voltage and current collector;
201-a first housing, 202-a voltage converter, 203-a first display module, 204-a first control module, 205 an ac contactor, 206 a first communication module;
211-display window, 212-power interface, 213-general power switch, 214-communication interface, 215-speed-regulating knob;
301-a second housing, 302-an internal power supply, 303-a second display module, 304-a second control module, 305-a second communication module;
401-a first mounting plate, 402-a second mounting plate;
501-fixed plate, 502-first side plate, 503-second side plate;
502-a first side panel, 503-a second side panel;
511-slotted hole, 512-mounting groove.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
As shown in fig. 1 and fig. 2, the utility model discloses a monitoring system for transformer cooling is with fan operation, include: the system comprises a fan signal acquisition module 10, a first monitoring control module 20 and a second monitoring control module 30; the fan signal acquisition module 10 comprises a wind speed detector 101, a temperature detector 102 and a voltage and current collector 103, wherein the wind speed detector 101 and the temperature detector 102 are fixed on the support frame 50 through a mounting assembly 40; the first monitoring control module 20 includes a first housing 201, and a voltage converter 202, a first display module 203, a first control module 204, an ac contactor 205 and a first communication module 206 which are disposed inside the first housing 201;
the first display module 203 is embedded in a display window 211 arranged on the upper surface of the first housing 201, a power interface 212 and a main power switch 213 are arranged on the side of the first housing 201, a communication interface 214 is arranged on the other side of the first housing 201, the main power switch 213 is arranged in series on an output line of the power interface 212, the output end of the voltage converter 202 is connected with the first display module 203 and the first control module 204, the ac contactor 205 is arranged in series on a power supply line of the fan, and the control end of the ac contactor 205 is connected with the output end of the first control module 204;
the second monitoring control module 30 includes a second housing 301, an internal power supply 302, a second display module 303, a second control module 304 and a second communication module 305, the second display module 303 and the second control module 304 are connected to the internal power supply 302, an output end of the second control module 304 is connected to the second display module 303, and the second control module 304 is connected to the second communication module 305.
In the embodiment of the utility model, the first monitoring control module can monitor the states of a plurality of fans at the front end to ensure the normal heat dissipation of the transformer bank, the fan signal acquisition module is arranged on the fan to detect the operating voltage, current, wind speed and temperature of the fan to obtain the operating state of the fan, the first monitoring control module can realize the control of overvoltage and overtemperature conditions through the first control module, and the control of the fan is realized by setting the upper limit value of the voltage and the upper limit value of the temperature; the second monitoring control module is communicated with the first monitoring control module in a wireless communication mode, and can realize handheld remote control, so that the second monitoring control module is convenient to overhaul and maintain, powered by a built-in power supply mode and convenient to carry.
The first display module is used for displaying the running state of the fan, the setting of parameters can be realized through setting the buttons, the first display module adopts a touch capacitive screen, the operation is convenient, the second display module receives and displays the monitoring data of the first monitoring control module, the remote setting of the parameters is realized through the setting buttons, the first monitoring control module and the second monitoring control module realize the real-time synchronous transmission of the data through the first communication module and the second communication module, the second monitoring control module can control the starting and stopping of the fan through the manual control buttons, when the voltage or the temperature of the fan exceeds the set upper limit value, the first monitoring control module controls the alternating current contactor, the alternating current contactor arranged on a power supply line of the fan is disconnected, and the fan stops running.
The embodiment of the utility model provides an in, can realize opening the automation of fan through setting up ac contactor and stop, when taking place excessive pressure or the excess temperature condition, do not need the manual work to open and stop the operation, convenient operation, degree of automation is high.
Referring to fig. 3 and 4, in the embodiment of the present invention, the supporting frame 50 includes a fixing plate 501, a first side plate 502 and a second side plate 503, the first side plate 502 and the second side plate 503 are perpendicularly fixed on one side of the fixing plate 501, the other side of the fixing plate 501 is provided with a slot-shaped hole 511 for fixing with a fan, the mounting assembly 40 includes a first mounting plate 401 and a second mounting plate 402, the first mounting plate 401 is disposed above the first side plate 502 and the second side plate 503 and fixed with the fixing plate 501, the second mounting plate 402 is disposed below the first side plate 502 and the second side plate 503, and the first mounting plate 401 and the second mounting plate 402 are connected with the fixing plate 501 through bolts. A mounting recess 512 for mounting the temperature detector 102 is further provided on the fixing plate 501, and the second mounting plate 402 fixes the temperature detector 102 inside the mounting recess 512 by bolts.
The embodiment of the utility model provides an in, the speed regulator is still connected to first control module, the speed regulator is connected with the power supply line of fan, the speed governing knob 215 of speed regulator sets up the upper end at first shell 201, first monitor control module and second monitor control module all set up reset button. The power supply voltage of the fan is selected by setting the speed regulation knob, so that the control of the wind speed is realized.
In the embodiment of the utility model, the voltage and current collector is used for detecting the power supply voltage signal and the current signal of the fan; the output ends of the voltage acquisition module, the wind speed detector and the temperature monitor are connected with a first control module, a speed regulation module is arranged on the first monitoring control module, and the speed regulation module regulates the rotating speed of the fan by regulating output voltage.
In the embodiment of the invention, the first monitoring control module and the second monitoring control module are also connected with the first alarm module and the second alarm module. The first mounting plate is provided with a first mounting screw hole, the second mounting plate is provided with a second mounting screw hole, the support frame is provided with a mounting hole, and the first mounting plate and the second mounting plate are fixedly connected with the support frame through bolts.
The first communication module and the second communication module adopt lora antennas. The first control module is a controller of STM32F407ZGT6 model, the first display module and the second display module adopt MCU capacitive touch screens with the resolution of 800 x 480, the temperature detector is a temperature detector with the model of TH10S-B, and the wind speed detector is a wind speed detector with an RS485 interface.
The utility model discloses monitor the fan running state that the transformer outside set up, can obtain more accurate monitoring data and parameter, realized the stable installation of monitoring unit, can in time obtain the operating parameter of fan, realize the timely monitoring to the fan, report to the police to and the protection operation when the operation is unusual; the fan monitoring system has the advantages that the fans can be monitored simultaneously, when one or more fans are abnormal in operation, the abnormal fans are shut down in time through the monitoring center, loss caused by abnormality of the power system is reduced, normal operation of the power system is guaranteed, and normal power supply of people is guaranteed.
Under normal conditions, the operating temperature of a fan bearing of the transformer fan is about 40 ℃, and the temperature which can be borne by a fan winding is 120 ℃ (A level) to 150 ℃ (F level). The utility model provides a pair of a monitoring system for transformer cooling is with fan operation's work flow as follows: when the operating temperature of a fan bearing of the transformer fan is less than or equal to 40 ℃, the fan operates normally, and the terminal displays an actual temperature value; when the operating temperature of a fan bearing of the transformer fan is more than 40 ℃ and less than or equal to 80 ℃, the alarm device gives out abnormal temperature alarm sound, meanwhile, the terminal displays the actual temperature value, and operation and maintenance personnel timely inform maintenance personnel of maintenance; when the operating temperature of the fan bearing of the transformer fan is more than 80 ℃, the alarm device sends out an over-temperature alarm sound, the terminal displays the actual temperature value, the operation and maintenance personnel timely inform the maintenance personnel of overhauling, and in the process, the temperature switch automatically cuts off the power supply of the fan, and the fan stops working.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A monitoring system for operation of a fan for cooling a transformer, comprising:
the system comprises a fan signal acquisition module, a first monitoring control module and a second monitoring control module;
the fan signal acquisition module comprises a wind speed detector, a temperature detector and a voltage and current collector, and the wind speed detector and the temperature detector are fixed on the support frame through mounting components;
the first monitoring control module comprises a first shell, and a power interface, a voltage converter, a first display module, a first control module, an alternating current contactor and a first communication module which are arranged in the first shell;
the first display module is embedded in a display window on the upper surface of the first shell, a power interface and a main power switch are arranged on the side edge of the first shell, a communication interface is arranged on the other side of the first shell, the main power switch is arranged on an output line of the power interface in series, the output end of the voltage converter is connected with the first display module and the first control module, the alternating current contactor is arranged on a power supply line of the fan in series, and the control end of the alternating current contactor is connected with the output end of the first control module;
the second monitoring control module comprises a second shell, an internal power supply, a second display module, a second control module and a second communication module, the second display module and the second control module are connected with the internal power supply, the output end of the second control module is connected with the second display module, and the second control module is connected with the second communication module.
2. The system for monitoring the operation of the fan for cooling the transformer according to claim 1, wherein the supporting frame comprises a fixing plate, a first side plate and a second side plate, the first side plate and the second side plate are vertically fixed on one side of the fixing plate, the other side of the fixing plate is provided with a groove-shaped hole for fixing with the fan, the mounting assembly comprises a first mounting plate and a second mounting plate, the first mounting plate is arranged above the first side plate and the second side plate and fixed with the fixing plate, the second mounting plate is arranged below the first side plate and the second side plate, and the first mounting plate and the second mounting plate are connected with the fixing plate through bolts.
3. The system for monitoring the operation of the fan for cooling the transformer as recited in claim 1, wherein said first control module is further connected to a speed regulator, said speed regulator is connected to a power supply line of the fan, a speed regulating knob of said speed regulator is disposed at an upper end of the first housing, and said first monitoring control module and said second monitoring control module are both provided with a reset button.
4. The monitoring system for the operation of the fan for cooling the transformer according to claim 1, wherein the first monitoring control module and the second monitoring control module are further connected with a first alarm module and a second alarm module.
5. The system for monitoring the operation of the fan for cooling the transformer according to claim 2, wherein the first mounting plate is provided with a first mounting screw hole, the second mounting plate is provided with a second mounting screw hole, the support frame is provided with a mounting hole, and the first mounting plate and the second mounting plate are fixedly connected with the support frame through bolts.
6. The system for monitoring the operation of the fan for cooling the transformer according to claim 1, wherein the first communication module and the second communication module employ lora antennas.
7. The monitoring system for the operation of the fan for cooling the transformer as recited in claim 1, wherein the first control module is a controller of model STM32F407ZGT6, the first display module and the second display module are MCU capacitive touch screens with a resolution of 800 × 480, the temperature detector is a temperature detector of model TH10S-B, and the wind speed detector is a wind speed detector of model RS485 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120754118.9U CN214742281U (en) | 2021-04-13 | 2021-04-13 | Monitoring system for running of fan for cooling transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120754118.9U CN214742281U (en) | 2021-04-13 | 2021-04-13 | Monitoring system for running of fan for cooling transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214742281U true CN214742281U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120754118.9U Expired - Fee Related CN214742281U (en) | 2021-04-13 | 2021-04-13 | Monitoring system for running of fan for cooling transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214742281U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876845A (en) * | 2022-05-31 | 2022-08-09 | 广东电网有限责任公司 | Transformer fan control auxiliary system |
| CN115254776A (en) * | 2022-07-29 | 2022-11-01 | 重庆瑞通精工科技股份有限公司 | Automatic control method of valve plate high-precision cleaning line |
-
2021
- 2021-04-13 CN CN202120754118.9U patent/CN214742281U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876845A (en) * | 2022-05-31 | 2022-08-09 | 广东电网有限责任公司 | Transformer fan control auxiliary system |
| CN114876845B (en) * | 2022-05-31 | 2024-01-23 | 广东电网有限责任公司 | Auxiliary control system for transformer fan |
| CN115254776A (en) * | 2022-07-29 | 2022-11-01 | 重庆瑞通精工科技股份有限公司 | Automatic control method of valve plate high-precision cleaning line |
| CN115254776B (en) * | 2022-07-29 | 2024-01-26 | 重庆瑞通精工科技股份有限公司 | Automatic control method for high-precision cleaning line of valve plate |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |