CN114876845A - Transformer fan control auxiliary system - Google Patents

Transformer fan control auxiliary system Download PDF

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Publication number
CN114876845A
CN114876845A CN202210612315.6A CN202210612315A CN114876845A CN 114876845 A CN114876845 A CN 114876845A CN 202210612315 A CN202210612315 A CN 202210612315A CN 114876845 A CN114876845 A CN 114876845A
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CN
China
Prior art keywords
signal
processor
transformer
fan
transformer fan
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Granted
Application number
CN202210612315.6A
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Chinese (zh)
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CN114876845B (en
Inventor
郭森和
何满润
曾志勇
胡志恒
胡俊锋
何宇琪
傅文锋
韦运杰
郭小华
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Guangdong Power Grid Co Ltd
Foshan Power Supply Bureau of Guangdong Power Grid Corp
Original Assignee
Guangdong Power Grid Co Ltd
Foshan Power Supply Bureau of Guangdong Power Grid Corp
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Application filed by Guangdong Power Grid Co Ltd, Foshan Power Supply Bureau of Guangdong Power Grid Corp filed Critical Guangdong Power Grid Co Ltd
Priority to CN202210612315.6A priority Critical patent/CN114876845B/en
Publication of CN114876845A publication Critical patent/CN114876845A/en
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Publication of CN114876845B publication Critical patent/CN114876845B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/007—Conjoint control of two or more different functions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Abstract

The application discloses transformer fan control auxiliary system includes: the device comprises a current sensing switch, a local controller and a remote controller; the local controller is connected to an operation loop where the transformer fan module is located, and a first end of the local controller is connected with the transformer fan module through the current induction switch; the remote controller is wirelessly connected with the local controller; the current induction switch is used for detecting the current of a fan branch and determining the running state of the transformer fan module according to the alternating current of the fan; and the remote controller is used for controlling the local controller to start the transformer fan module when the running state of the transformer fan module is a stop state. The method is used for solving the technical problems that the actual running state of the fan cannot be remotely acquired and the fan cannot be started in time in the existing transformer fan control mode.

Description

Transformer fan control auxiliary system
Technical Field
The application relates to the technical field of transformer fans, in particular to a transformer fan control auxiliary system.
Background
At present, the control modes of fans in transformers of transformer substations include a local automatic control mode and a manual control mode, the local automatic control mode performs automatic control according to transformer loads and/or oil temperatures, namely, the fans are started in batches step by step after the transformer loads and the oil temperatures reach preset values, and operation and maintenance personnel are required to arrive at the site to operate in the manual control mode.
Obviously, the local automatic control mode cannot enable operation and maintenance personnel to remotely acquire the actual running state of the fan; the manual control mode is limited by the distance time required by the operation and maintenance personnel to arrive at the station, and when the fan needs to be started, the operation and maintenance personnel are often not timely enough, namely, the manual control mode cannot meet the requirements of rapidity and effectiveness.
In summary, the control system capable of remotely acquiring the actual running state of the transformer fan and remotely controlling the transformer fan according to the running state is significant.
Disclosure of Invention
The application provides a transformer fan control auxiliary system for solve the actual running state that can not long-rangely acquire the fan that current transformer fan control mode exists, and can not in time start the technical problem of fan.
In view of this, the present application provides a transformer fan control auxiliary system, which includes: the device comprises a current sensing switch, a local controller and a remote controller; the local controller is connected to an operation loop where the transformer fan module is located, and a first end of the local controller is connected with the transformer fan module through the current induction switch; the remote controller is wirelessly connected with the local controller;
the current induction switch is used for detecting the current of a fan branch and determining the running state of the transformer fan module according to the alternating current of the fan;
and the remote controller is used for controlling the local controller to start the transformer fan module when the running state of the transformer fan module is a stop state.
Optionally, the local controller comprises: the first control execution unit, the current induction detection module and the first signal transceiving unit are respectively connected with the first processor;
the first signal transceiving unit is used for sending an opening signal to the remote controller with the assistance of the first processor when the running state of the transformer fan module is the running state; when the running state of the variable-pressure fan module is the shutdown state, receiving an opening signal sent by the remote controller under the assistance of the first processor;
the first control execution unit is used for receiving a first operation instruction sent by the first processor and executing an operation corresponding to the first operation instruction;
and the current induction detection module is used for acquiring the branch current of the fan through the current induction switch.
Optionally, the remote controller comprises: the monitoring element, the second signal transceiving unit and the second control execution unit are respectively connected with the second processor;
the second signal transceiver unit is used for receiving an opening signal transmitted by the first signal transceiver unit under the assistance of the second processor when the running state of the transformer fan module is the running state; and when the operation state of the variable pressure fan module is the shutdown state, sending an opening signal sent with the assistance of the second processor to the first signal transceiver unit;
the monitoring element is used for monitoring the signal receiving condition of the second signal transceiving unit;
and the second control execution unit is used for receiving a second operation instruction sent by the second processor and executing an operation corresponding to the second operation instruction.
Optionally, the transformer fan module comprises: the system comprises a fan, a thermocouple protector, an operation loop starting contactor, an operation loop switch and a local control loop, wherein the fan, the thermocouple protector, the operation loop starting contactor and the operation loop switch are connected in series along the operation loop;
the first end of the current sensing switch is connected with the local controller, and the second end of the current sensing switch is connected between the fan and the thermocouple protector;
the local controller is used for starting the operation starting contactor under the control of the first control execution unit after the first control execution unit receives a starting signal instruction sent by the first processor; and the starting contactor operates the fan under the protection of the thermocouple relay under the condition that the operation loop switch is closed.
Optionally, the remote controller further comprises: the monitoring lamp is respectively connected with the second processor and the monitoring element;
the monitoring lamp is used for being lightened under the assistance of the second processor when the monitoring element detects that the second signal transceiver unit receives the opening signal transmission signal sent by the first signal transceiver unit under the assistance of the second processor.
Optionally, the first signal transceiver unit and the second signal transceiver unit are specifically high-frequency signal transceiver units.
Optionally, the first signal transceiving unit includes: a first high-frequency signal transmitting element and a first high-frequency signal receiving element;
the first high-frequency signal sending element is used for sending an opening signal to the remote controller with the assistance of the first processor when the running state of the transformer fan module is the running state;
the first high-frequency signal receiving element is used for receiving an on-off signal sent by the remote controller under the assistance of the first processor when the operation state of the variable-voltage fan module is an off state.
Optionally, the second signal transceiving unit includes: a second high-frequency signal receiving element and a second high-frequency signal transmitting element;
the second high-frequency signal receiving element is used for receiving an opening signal transmission transmitted by the first signal receiving and transmitting unit under the assistance of the second processor when the running state of the transformer fan module is the running state;
and the second high-frequency signal sending element is used for sending an opening signal sent under the assistance of the second processor to the first signal transceiving unit when the operation state of the variable-voltage fan module is the shutdown state.
Optionally, the monitoring light is an LED light.
Optionally, the first processor and the second processor are embodied as microcontrollers.
According to the technical scheme, the embodiment of the application has the following advantages:
the application provides a transformer fan control auxiliary system, includes: the device comprises a current sensing switch, a local controller and a remote controller; the local controller is connected to an operation loop where the transformer fan module is located, and a first end of the local controller is connected with the transformer fan module through the current induction switch; the remote controller is wirelessly connected with the local controller; the current sensing switch is used for detecting the current of a fan branch and determining the running state of the transformer fan module according to the alternating current of the fan; and the remote controller is used for controlling the local controller to start the transformer fan module when the running state of the transformer fan module is a stop state.
The running state of the transformer fan module is determined through the current sensing switch, and when the running of the transformer fan module stops, the remote controller is used for controlling the local controller to start the transformer fan module, so that the technical problems that the actual running state of the transformer fan module cannot be remotely acquired and the transformer fan module cannot be started in time in the existing transformer fan control mode are solved.
Drawings
Fig. 1 is a schematic composition diagram of a transformer fan control auxiliary system provided in an embodiment of the present application;
fig. 2 is a schematic diagram of a local controller provided in an embodiment of the present application;
fig. 3 is an external view of a local controller provided in an embodiment of the present application;
FIG. 4 is a schematic diagram of a remote controller provided in an embodiment of the present application;
fig. 5 is an external view of a remote controller provided in an embodiment of the present application.
Wherein:
d1 is a local controller, D2 is a remote controller, 1 is an operation loop switch, 2 is a local control loop, 3 is an operation starting contactor, 4 is a thermocouple relay, 5 is a current sensing switch, 6 is a fan, 11 is a first control execution unit, 12 is a first processor, 13 is a first signal transceiving unit, 14 is a current sensing detection module, 21 is a second control execution unit, 22 is a second processor, 23 is a monitoring element, 24 is a second high-frequency signal transmitting element, and 25 is a second high-frequency signal receiving element.
Detailed Description
The embodiment of the application provides a transformer fan control auxiliary system for solving the technical problems that the actual running state of a fan cannot be remotely acquired and the fan cannot be started in time in the existing transformer fan control mode.
In order to make those skilled in the art better understand the technical solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
To facilitate understanding, referring to fig. 1, the present application provides one embodiment of a transformer fan control auxiliary system comprising: current sensing switch 5, local controller D1 and remote controller D2; the local controller D1 is connected to an operation loop where the transformer fan module is located, and a first end of the local controller D1 is connected with the transformer fan module through the current sensing switch 5; the remote controller D2 and the local controller D1 are wirelessly connected;
the current induction switch 5 is used for detecting the current of a fan branch and determining the running state of the transformer fan module according to the alternating current of the fan;
the remote controller D2 is used for controlling the local controller D1 to start the transformer fan module when the operation state of the transformer fan module is a stop state.
In the embodiment of the present invention, the remote controller D2 may use the local controller D1 as a medium, detect the operation state of the transformer fan control auxiliary system through the current sensing switch 5, and control the local controller D1 to start the transformer fan module in time when the transformer fan control auxiliary system is not in the operation state.
Further, please refer to fig. 2 and fig. 3, fig. 2 is a schematic diagram illustrating a local controller provided in an embodiment of the present application; fig. 3 is an external view of a local controller provided in an embodiment of the present application; the local controller D1 includes: a first control execution unit 11, a current sensing detection module 14 and a first signal transceiving unit 13 which are respectively connected with the first processor 12;
the first signal transceiver unit 13 is configured to send an incoming signal to the remote controller D2 with the assistance of the first processor 12 when the operation state of the transformer fan module is the operation state; and when the operation state of the variable-voltage fan module is the shutdown state, receiving an on signal sent by the remote controller D2 with the assistance of the first processor 12;
the first control execution unit 11 is configured to receive a first operation instruction sent by the first processor 12, and execute an operation corresponding to the first operation instruction;
the current sensing detection module 14 is configured to obtain the branch current of the fan through the current sensing switch.
In the embodiment of the present invention, the local controller D1 is formed by integrating the first control execution unit 11, the first processor 12, the first transceiver unit 13 and the current sensing detection module 14, and is installed in the safe equipped with the circuit breaker as shown in fig. 3.
Further, please refer to fig. 4 and 5, fig. 4 is a schematic diagram illustrating a composition of a remote controller provided in an embodiment of the present application; fig. 5 is an external view schematically illustrating a remote controller provided in an embodiment of the present application; the remote controller D2 includes: a monitoring element 23, a second signal transceiver unit and a second control execution unit 21 respectively connected to the second processor 22;
the second signal transceiver unit is configured to receive an incoming signal transmission signal sent by the first signal transceiver unit 13 with the assistance of the second processor 21 when the operation state of the transformer fan module is the operation state; and, when the operation state of the variable pressure fan module is the shutdown state, the incoming signal transmitted with the assistance of the second processor 22 is transmitted to the first signal transceiver unit 13;
the monitoring element 23 is configured to monitor a signal receiving condition of the second signal transceiving unit;
the second control execution unit 21 is configured to receive a second operation instruction sent by the second processor 22, and execute an operation corresponding to the second operation instruction.
In the embodiment of the present invention, the remote controller D2 is formed by integrating the second control performing unit 21, the second processor 22, the first transceiving unit and the monitoring element 23, and is installed in the safe equipped with the circuit breaker as shown in fig. 5.
In order to ensure the safety of the data transmission process, the first signal transceiver 13 and the second signal transceiver are specifically high frequency signal transceivers.
It should be noted that, in view of the limitation of the security of the grid information, the critical device information of the grid cannot be connected to the external internet, and some intelligent controllers in the market can also realize remote control at present, but the receiving and transmitting signals and specific connections cannot replace the present invention.
Further, the first signal transceiving unit 13 includes: a first high-frequency signal transmitting element and a first high-frequency signal receiving element;
the first high-frequency signal sending element is configured to send an incoming signal to the remote controller D2 with the assistance of the first processor 12 when the operation state of the transformer fan module is the operation state;
the first high-frequency signal receiving element is configured to receive, with the aid of the first processor 12, an on-off signal sent by the remote controller D2 when the operation state of the variable-voltage fan module is the off-state.
The second signal transceiving unit comprises: a second high-frequency signal receiving element 25 and a second high-frequency signal transmitting element 24;
the second high-frequency signal receiving element 25 is configured to receive an incoming signal transmission signal sent by the first signal transceiver unit 13 with the assistance of the second processor 22 when the operation state of the transformer fan module is the operation state;
the second high-frequency signal sending element 24 is configured to send an incoming signal to the first signal transceiver unit 13 with the aid of the second processor 22 when the operation state of the variable voltage fan module is the shutdown state.
In the embodiment of the present invention, the first signal transceiving unit 13 includes a first high-frequency signal receiving element and a first high-frequency signal transmitting element, and the first high-frequency signal receiving element and the first high-frequency signal transmitting element; the second signal transceiving unit includes: a second high-frequency signal receiving element 25 and a second high-frequency signal transmitting element 24.
In an embodiment of the present invention, the transformer fan module includes: the device comprises a fan 6, a thermocouple protector 4, a running loop starting contactor 3 and a running loop switch 1 which are connected in series along the running loop, and a local control loop 2 connected between the running loop switch 1 and a remote starting point of the running loop starting contactor 3, wherein the local control loop 2 is connected with a second end of a local controller D1 in parallel;
a first end of the current sensing switch 5 is connected with the local controller D1, and a second end of the current sensing switch 5 is connected between the fan 6 and the thermocouple protector 4;
the local controller D1 is configured to start the operation starting contactor 3 under the control of the first control execution unit 11 after the first control execution unit 11 receives a start signal instruction sent by the first processor 12; the starting contactor 3 operates the fan 6 under the protection of the thermocouple relay 4 when the operation loop switch 1 is closed.
Referring to fig. 1, in the embodiment of the present invention, A, B and C are three phases of ac voltage respectively, and a1 port and a2 port are two ends of a coil of the start loop start contactor 3, wherein a2 port is normally connected to N line, when the current sensing switch 5 has no current flowing, its sensing switch node is disconnected, the local controller D1 has no on signal and thus does not transmit a signal to the remote controller D2, the monitoring component 23 detects that the second high frequency signal receiving component 25 has not received a signal, the second processor 22 can generate a start instruction, and the second control execution unit 21 can transmit an on signal to the first signal transceiver unit 13 through the second high frequency signal transmitting component 24 with the aid of the second processor 22 according to the start instruction, and then the first processor 12 transmits an access instruction to the first control execution unit 11 in response to the received on signal, finally, the first control execution unit 11, with the aid of the first processor 12, energizes the coil a1 end of the operation starting contactor 3 according to the access instruction, starts the operation starting contactor 3, and turns on the fan operation loop.
In an alternative embodiment, the remote controller D2 further includes: a monitoring lamp connected to the second processor 22 and the monitoring element 23, respectively;
the monitoring lamp is configured to light up with the aid of the second processor 22 when the monitoring element 23 detects that the second signal transceiver unit receives the incoming signal transmission sent by the first signal transceiver unit 13 with the aid of the second processor 22.
In the embodiment of the invention, when the monitoring lamp is on, the fan 6 is started, and the remote controller D2 is not needed for remote control starting; when the monitoring lamp is turned off, the fan 6 is in a stop state, and the fan 6 can be started through the remote controller D2; and if the monitoring lamp is not on after detecting that one fan branch is started, judging that the loop where the fan 6 is located has a problem.
In an alternative embodiment, the monitoring light is an LED light.
The LED lamp is an electroluminescent semiconductor material chip, silver glue or white glue is solidified on the support, then the chip and the circuit board are connected through silver wires or gold wires, the periphery of the chip and the circuit board is sealed through epoxy resin, the effect of protecting an internal core wire is achieved, and finally the shell is installed, so that the anti-seismic performance of the LED lamp is good.
In an alternative embodiment, the first processor and the second processor are embodied as microcontrollers.
It should be noted that the micro control unit, also called a single-chip microcomputer or a single-chip microcomputer, properly reduces the frequency and specification of the central processing unit, and integrates the peripheral interfaces such as the memory, the counter, the USB, the a/D conversion, the UART, the PLC, the DMA, and the like, even the LCD driving circuit, on a single chip to form a chip-level computer, which performs different combination control for different application occasions.
The invention provides a transformer fan control auxiliary system, which comprises: the device comprises a current sensing switch, a local controller and a remote controller; the transformer fan control auxiliary system comprises: current sensing switch 5, local controller D1 and remote controller D2; the local controller D1 is connected to the operation loop where the transformer fan module is located, and the first end of the local controller D1 is connected with the transformer fan module through the current induction switch 5; the remote controller D2 and the local controller D1 are wirelessly connected;
the current induction switch 5 is used for detecting the current of a fan branch and determining the running state of the transformer fan module according to the alternating current of the fan;
the remote controller D2 is used for controlling the local controller D1 to start the transformer fan module when the operation state of the transformer fan module is a stop state.
The running state of the transformer fan module is determined through the current sensing switch 5, and when the running of the transformer fan module stops, the remote controller D2 is used for controlling the local controller D1 to start the transformer fan module, so that the technical problems that the actual running state of the transformer fan module cannot be remotely acquired and the transformer fan module cannot be started in time in the existing transformer fan control mode are solved.
Meanwhile, the high-frequency signal transceiving unit is used as a communication tool of the local controller D1 and the remote controller D2, so that the communication safety is ensured while the communication is ensured in time.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (10)

1. A transformer fan control auxiliary system, comprising: the device comprises a current sensing switch, a local controller and a remote controller; the local controller is connected to an operation loop where the transformer fan module is located, and a first end of the local controller is connected with the transformer fan module through the current induction switch; the remote controller is wirelessly connected with the local controller;
the current induction switch is used for detecting the current of a fan branch and determining the running state of the transformer fan module according to the alternating current of the fan;
and the remote controller is used for controlling the local controller to start the transformer fan module when the running state of the transformer fan module is a stop state.
2. The transformer fan control assist system of claim 1, wherein the local controller comprises: the first control execution unit, the current induction detection module and the first signal transceiving unit are respectively connected with the first processor;
the first signal transceiving unit is used for sending an opening signal to the remote controller with the assistance of the first processor when the running state of the transformer fan module is the running state; when the running state of the variable-pressure fan module is the shutdown state, receiving an opening signal sent by the remote controller under the assistance of the first processor;
the first control execution unit is used for receiving a first operation instruction sent by the first processor and executing an operation corresponding to the first operation instruction;
and the current induction detection module is used for acquiring the branch current of the fan through the current induction switch.
3. The transformer fan control assist system of claim 2, wherein the remote controller comprises: the monitoring element, the second signal transceiving unit and the second control execution unit are respectively connected with the second processor;
the second signal transceiver unit is used for receiving an opening signal transmitted by the first signal transceiver unit under the assistance of the second processor when the running state of the transformer fan module is the running state; and when the operation state of the variable pressure fan module is the shutdown state, sending an opening signal sent with the assistance of the second processor to the first signal transceiver unit;
the monitoring element is used for monitoring the signal receiving condition of the second signal transceiving unit;
and the second control execution unit is used for receiving a second operation instruction sent by the second processor and executing an operation corresponding to the second operation instruction.
4. The transformer fan control auxiliary system of claim 3, wherein the transformer fan module comprises: the system comprises a fan, a thermocouple protector, an operation loop starting contactor, an operation loop switch and a local control loop, wherein the fan, the thermocouple protector, the operation loop starting contactor and the operation loop switch are connected in series along the operation loop;
the first end of the current sensing switch is connected with the local controller, and the second end of the current sensing switch is connected between the fan and the thermocouple protector;
the local controller is used for starting the operation starting contactor under the control of the first control execution unit after the first control execution unit receives a starting signal instruction sent by the first processor; and the starting contactor operates the fan under the protection of the thermocouple relay under the condition that the operation loop switch is closed.
5. The transformer fan control assist system of claim 3, wherein the remote controller further comprises: the monitoring lamp is respectively connected with the second processor and the monitoring element;
the monitoring lamp is used for being lightened under the assistance of the second processor when the monitoring element detects that the second signal transceiver unit receives the opening signal transmission signal sent by the first signal transceiver unit under the assistance of the second processor.
6. The transformer fan control auxiliary system of claim 3, wherein the first signal transceiver unit and the second signal transceiver unit are high frequency signal transceiver units.
7. The transformer fan control auxiliary system of claim 6, wherein the first signal transceiving unit comprises: a first high-frequency signal transmitting element and a first high-frequency signal receiving element;
the first high-frequency signal sending element is used for sending an incoming signal to the remote controller under the assistance of the first processor when the running state of the transformer fan module is the running state;
the first high-frequency signal receiving element is used for receiving an on-off signal sent by the remote controller under the assistance of the first processor when the operation state of the variable-voltage fan module is an off state.
8. The transformer fan control assist system of claim 7, wherein the second signal transceiver unit comprises: a second high-frequency signal receiving element and a second high-frequency signal transmitting element;
the second high-frequency signal receiving element is used for receiving an opening signal transmission transmitted by the first signal receiving and transmitting unit under the assistance of the second processor when the running state of the transformer fan module is the running state;
and the second high-frequency signal sending element is used for sending an opening signal sent under the assistance of the second processor to the first signal transceiving unit when the operation state of the variable-voltage fan module is the shutdown state.
9. The transformer fan control assist system of claim 4, wherein the monitoring light is an LED light.
10. Transformer fan control auxiliary system according to claim 5, wherein the first and second processor are in particular microcontrollers.
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CN209672543U (en) * 2018-12-19 2019-11-22 中国汽车工业工程有限公司 A kind of air-valve and blower chain control module
CN213540798U (en) * 2020-10-29 2021-06-25 武汉海川绿能电气有限公司 Intelligent centrifugal fan controller
CN214742281U (en) * 2021-04-13 2021-11-16 国网新疆电力有限公司乌鲁木齐供电公司 Monitoring system for running of fan for cooling transformer

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101871467A (en) * 2010-07-06 2010-10-27 中冶长天国际工程有限责任公司 Combustion fan control system for sintering ignition furnace
CN209672543U (en) * 2018-12-19 2019-11-22 中国汽车工业工程有限公司 A kind of air-valve and blower chain control module
CN213540798U (en) * 2020-10-29 2021-06-25 武汉海川绿能电气有限公司 Intelligent centrifugal fan controller
CN214742281U (en) * 2021-04-13 2021-11-16 国网新疆电力有限公司乌鲁木齐供电公司 Monitoring system for running of fan for cooling transformer

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