CN215256888U - Excitation system heat dissipation control system based on different power supply automatic switching redundancy design - Google Patents
Excitation system heat dissipation control system based on different power supply automatic switching redundancy design Download PDFInfo
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- CN215256888U CN215256888U CN202120419445.9U CN202120419445U CN215256888U CN 215256888 U CN215256888 U CN 215256888U CN 202120419445 U CN202120419445 U CN 202120419445U CN 215256888 U CN215256888 U CN 215256888U
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Abstract
The utility model discloses an excitation system heat dissipation control system based on different power supply automatic switching redundancy designs, which comprises a heat dissipation fan module, a power supply module, a transformer, a data processing device, a power control device, a contactor device, a temperature detection device, an alarm device, a data storage device, a communication device, a display module and a fan state detection device; the temperature detection device, the alarm device, the data storage device, the communication device, the display module, the power control device and the fan state detection device are respectively connected with the data processing device; the transformer and the contactor device are respectively connected with the power control device; the power supply module is connected with the transformer; the heat radiation fan is connected with the contactor device. The utility model discloses cooling method based on forced air cooling, for using the most extensive heat dissipation technique at present, be convenient for understand, it is little to implement the degree of difficulty, and the structure is succinct, the stable performance.
Description
Technical Field
The utility model belongs to the technical field of excitation system heat dissipation control and specifically relates to excitation system heat dissipation control system based on different power automatic switch-over redundancy designs.
Background
The power industry is the basic industry of national economy, and is very important today when the economy is rapidly developed, and the safety and reliability of power supply directly influence the production and life of people. The excitation system is used as an important component of the synchronous generator, and the operation stability of the excitation system directly influences the operation state of the generator, so that the safe operation of the whole power system is influenced. The heat dissipation is one of important technical performances of the excitation system, which not only affects the operation condition of elements in the excitation system cabinet, but also causes a significant excitation fault in severe cases. With the increasing of the capacity of a single machine, the excitation system needs to have more excellent and reliable heat dissipation performance, and the excitation system is ensured to avoid the failure and even damage of the excitation system caused by overhigh temperature in the working process, so that the excitation system needs to adopt redundant and reliable configuration for important components such as a heat dissipation ring section and the like in the design process.
At present, the radiating part of an excitation system of most hydropower stations is in a forced air cooling mode, a main fan and a standby fan are arranged in a redundant mode, and the main fan and the standby fan can be switched to operate only when the main fan fails. In the normal working process of the excitation system, the main fan is started all the time, so that the operation time of the main fan is too long, the aging of equipment is aggravated, and the failure rate is increased. If the power supply used by the double fans is taken from the same source, the risk that the excitation system has no heat dissipation function after power failure exists, the temperature of the power cabinet can rise too high or even burn out elements after the excitation system loses the heat dissipation function, the normal operation of the excitation system is influenced, and the safe and stable operation of the unit is further seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an excitation system heat dissipation control system based on different power supply automatic switching redundancy designs, which comprises a heat dissipation fan module, a power supply module, a transformer, a data processing device, a power control device, a contactor device, a temperature detection device, an alarm device, a data storage device, a communication device, a display module and a fan state detection device; the temperature detection device, the alarm device, the data storage device, the communication device, the display module, the power control device and the fan state detection device are respectively connected with the data processing device; the transformer and the contactor device are respectively connected with the power control device; the power supply module is connected with the transformer; the heat radiation fan is connected with the contactor device.
Preferably, the temperature detection device comprises an analog-to-digital converter, a plurality of temperature sensors and a temperature data storage device; the temperature sensors are respectively connected with the analog-to-digital converter; the analog-to-digital converter and the temperature data storage device are respectively connected with the data processing device.
Preferably, the type adopted by the temperature sensor is PT 100.
Preferably, the contactor device comprises a plurality of contactors; the plurality of contactors are respectively connected with the power control device; the contactor adopts ABB series alternating current contactor.
Preferably, the heat dissipation fan module comprises a plurality of fans; the fans are respectively connected with the contactor device.
Preferably, the fan state detection device comprises a rotating speed sensor, a noise sensor and an analog-to-digital converter II; the rotating speed sensor and the noise sensor are respectively connected with the second analog-to-digital converter; the second analog-to-digital converter is connected with the data processing device.
Preferably, the alarm device comprises an LED lamp and a buzzer; the LED lamp and the buzzer are respectively connected with the data processing device.
The utility model has the advantages that: the design is based on a forced air cooling heat dissipation mode, is the most widely used heat dissipation technology at present, is convenient to understand, and has small implementation difficulty, simple structure and stable performance.
Drawings
FIG. 1 is a schematic diagram of an excitation system heat dissipation control system based on different power supply automatic switching redundancy design;
FIG. 2 is a schematic diagram of an implementation of an excitation system heat dissipation control system based on different power supply automatic switching redundancy design;
fig. 3 is a schematic view of a fan connection.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in fig. 1, the excitation system heat dissipation control system based on different power supply automatic switching redundancy design includes a heat dissipation fan module, a power supply module, a transformer, a data processing device, a power control device, a contactor device, a temperature detection device, an alarm device, a data storage device, a communication device, a display module, and a fan state detection device; the temperature detection device, the alarm device, the data storage device, the communication device, the display module, the power control device and the fan state detection device are respectively connected with the data processing device; the transformer and the contactor device are respectively connected with the power control device; the power supply module is connected with the transformer; the heat radiation fan is connected with the contactor device.
The heat dissipation fan module is used for dissipating heat for the system, and the power supply module is used for supplying power for the system; the transformer is used for regulating voltage; the data processing device is used for processing relevant data of the system; the power control device is used for controlling the working state of the fan; the contactor device is used for controlling the starting and stopping of the fan; the temperature detection device is used for detecting the temperature of the system; the alarm device is used for sending alarm information; the data storage device is used for storing related data information; the communication device is used for communicating with the outside; the display module is used for displaying related data; the fan state detection device is used for detecting the working state of the fan.
The temperature detection device comprises an analog-to-digital converter, a plurality of temperature sensors and a temperature data storage device; the temperature sensors are respectively connected with the analog-to-digital converter; the analog-to-digital converter and the temperature data storage device are respectively connected with the data processing device. The temperature sensor is model PT 100.
The contactor device comprises a plurality of contactors; the plurality of contactors are respectively connected with the power control device; the contactor adopts ABB series alternating current contactor.
The heat radiation fan module comprises a plurality of fans; the fans are respectively connected with the contactor device.
The fan state detection device comprises a rotating speed sensor, a noise sensor and a second analog-to-digital converter; the rotating speed sensor and the noise sensor are respectively connected with the second analog-to-digital converter; the second analog-to-digital converter is connected with the data processing device.
The alarm device comprises an LED lamp and a buzzer; the LED lamp and the buzzer are respectively connected with the data processing device.
Specifically, the cooling fan power is independent, and the cooling fan is automatic to be rotated, intelligent temperature control. The power supply of the cooling fan is respectively taken from power consumption and commercial power, and the power supplies are independent and do not interfere with each other; the power control device of the excitation power cabinet records the starting information of the fans, automatically sets the other fan to be started preferentially at the next time, and the fans are started alternately according to the running times to ensure the balance of the use performance; when the power cabinet temperature is too high, the power cabinet intelligent board puts into many fans simultaneously according to the warning temperature value that sets up in advance, improves cooling efficiency.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (7)
1. The excitation system heat dissipation control system based on different power supply automatic switching redundancy designs is characterized by comprising a heat dissipation fan module, a power supply module, a transformer, a data processing device, a power control device, a contactor device, a temperature detection device, an alarm device, a data storage device, a communication device, a display module and a fan state detection device; the temperature detection device, the alarm device, the data storage device, the communication device, the display module, the power control device and the fan state detection device are respectively connected with the data processing device; the transformer and the contactor device are respectively connected with the power control device; the power supply module is connected with the transformer; the heat radiation fan is connected with the contactor device.
2. The excitation system heat dissipation control system based on different power supply automatic switching redundancy design of claim 1, wherein the temperature detection device comprises an analog-to-digital converter, a plurality of temperature sensors, and a temperature data storage device; the temperature sensors are respectively connected with the analog-to-digital converter; the analog-to-digital converter and the temperature data storage device are respectively connected with the data processing device.
3. The excitation system heat dissipation control system based on different power supply automatic switching redundancy designs as claimed in claim 2, wherein the temperature sensor is of type PT 100.
4. The excitation system heat dissipation control system based on different power supply automatic switching redundancy design of claim 1, wherein the contactor device comprises a plurality of contactors; the plurality of contactors are respectively connected with the power control device; the contactor adopts ABB series alternating current contactor.
5. The excitation system heat dissipation control system based on different power supply automatic switching redundancy designs of claim 1, wherein the heat dissipation fan module comprises a plurality of fans; the fans are respectively connected with the contactor device.
6. The excitation system heat dissipation control system based on different power supply automatic switching redundancy designs of claim 1, wherein the fan state detection device comprises a rotation speed sensor, a noise sensor and an analog-to-digital converter II; the rotating speed sensor and the noise sensor are respectively connected with the second analog-to-digital converter; the second analog-to-digital converter is connected with the data processing device.
7. The excitation system heat dissipation control system based on different power supply automatic switching redundancy design of claim 1, wherein the alarm device comprises an LED lamp and a buzzer; the LED lamp and the buzzer are respectively connected with the data processing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120419445.9U CN215256888U (en) | 2021-02-23 | 2021-02-23 | Excitation system heat dissipation control system based on different power supply automatic switching redundancy design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120419445.9U CN215256888U (en) | 2021-02-23 | 2021-02-23 | Excitation system heat dissipation control system based on different power supply automatic switching redundancy design |
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| Publication Number | Publication Date |
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| CN215256888U true CN215256888U (en) | 2021-12-21 |
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| CN202120419445.9U Active CN215256888U (en) | 2021-02-23 | 2021-02-23 | Excitation system heat dissipation control system based on different power supply automatic switching redundancy design |
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| CN (1) | CN215256888U (en) |
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