CN212959219U - Box-type substation fan grading start control system - Google Patents
Box-type substation fan grading start control system Download PDFInfo
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- CN212959219U CN212959219U CN202021555212.3U CN202021555212U CN212959219U CN 212959219 U CN212959219 U CN 212959219U CN 202021555212 U CN202021555212 U CN 202021555212U CN 212959219 U CN212959219 U CN 212959219U
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Abstract
The utility model provides a box-type substation fan grading start control system, which comprises a primary fan starting device, a secondary fan starting device and a tertiary fan starting device, wherein the primary fan starting device, the secondary fan starting device and the tertiary fan starting device respectively comprise a fan assembly I, a fan assembly II and a fan assembly III; the fan assembly I, the fan assembly II and the fan assembly III respectively comprise a plurality of fans and are connected with a temperature controller, and the temperature controller is connected with a sensor. The utility model provides a hierarchical start control system of box-type substation fan has avoided the fan on the box-type substation frequently to open and stop the problem, has reduced the fan fault rate, guarantees the life of fan, reduces the fan energy consumption.
Description
Technical Field
The utility model relates to a transformer substation technical field especially relates to a box-type substation fan starts control system in grades.
Background
In the box-type transformer substation on the market at present, all fans for ventilation and heat dissipation are controlled by a temperature controller, a sensor of the temperature controller is fixed in a box-type transformer substation, when the temperature of the position of the sensor reaches a starting value set by the temperature controller, all fans can be started simultaneously, after the temperature is reduced, all fans stop, because heating equipment such as a large-capacity sensor and a reactor in the box-type transformer substation continuously generate heat, the temperature rises again in a short time, all fans are started again, the number of the fans is configured according to the most harsh condition of summer environment temperature, normal operation in summer can be met, but spring, autumn and winter, the environment temperature is lower, and the fans can be frequently started and stopped at the moment.
Frequent starting and stopping of the fan can cause the following problems:
(1) the starting current of the fan is 4-6 times of the rated current, the fan is easy to break down when being started and stopped frequently, and the failure rate is high;
(2) the service life of the fan is influenced by the frequent start and stop of the fan;
(3) frequent start and stop in spring, autumn and winter cause the temperature in the case becomes unstable, and the power consumption of fan is big, also is not favorable to energy-conservation.
Therefore, the technical problem that the box-type substation fan is frequently started and stopped needs to be solved, so that the technical problem is solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a box-type substation fan starts control system in grades has solved the fan on the box-type substation and has frequently opened the stop problem, has reduced the fan fault rate, guarantees the life of fan, reduces the fan energy consumption.
A box-type substation fan grading start control system comprises a primary fan starting device, a secondary fan starting device and a tertiary fan starting device, wherein the primary fan starting device, the secondary fan starting device and the tertiary fan starting device respectively comprise a fan assembly I, a fan assembly II and a fan assembly III; the fan assembly I, the fan assembly II and the fan assembly III respectively comprise a plurality of fans and are connected with a temperature controller, and the temperature controller is connected with a sensor.
The temperature controller is provided with one temperature sensor; the fan assembly I is connected with the temperature controller through the relay I, the fan assembly II is connected with the temperature controller through the relay II, the fan assembly III is connected with the temperature controller through the relay III, and the temperature controller is connected with three sensor probes.
The number of the temperature controllers is three; the fan assembly I is connected with the temperature controller I through the relay I, the fan assembly II is connected with the temperature controller II through the relay II, the fan assembly III is connected with the temperature controller III through the relay III, and the temperature controller I, the temperature controller II and the temperature controller III are respectively connected with a sensor probe.
The distances between the components in the distance box transformer substation are sequentially arranged from small to large into the first fan component, the second fan component and the third fan component.
The fan assembly I, the fan assembly II and the fan assembly III are respectively provided with two fans.
The utility model discloses reach following effect of showing:
(1) the problem that the fan is frequently started and stopped is effectively solved, frequent faults of the fan are avoided, and the service life of the fan is prolonged;
(2) in spring and autumn, summer night, only start one-level, second grade fan can satisfy box-type substation ventilation cooling demand, and in winter, only start one-level fan can satisfy, the at utmost has reduced the energy consumption of fan equipment.
Drawings
Fig. 1 is a schematic diagram of a start control system in embodiments 1 and 2 of the present invention.
Fig. 2 is an overall circuit diagram of the temperature controller connected to the fan in embodiment 1 of the present invention.
Fig. 3 is a circuit diagram of the primary fan starting device in embodiment 2 of the present invention.
Fig. 4 is a circuit diagram of a secondary fan starting device in embodiment 2 of the present invention.
Fig. 5 is a circuit diagram of a three-stage blower starting device in embodiment 2 of the present invention.
Wherein the reference numerals are: a-a first sensor; b, a second sensor; c, a third sensor; and D-a transformer.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is described below by way of specific embodiments.
Example 1
Referring to fig. 1, a box-type substation fan grading start control system comprises a primary fan starting device, a secondary fan starting device and a tertiary fan starting device, wherein the primary fan starting device, the secondary fan starting device and the tertiary fan starting device respectively comprise a fan assembly I, a fan assembly II and a fan assembly III; the fan assembly I, the fan assembly II and the fan assembly III respectively comprise a plurality of fans and are connected with a temperature controller, and the temperature controller is connected with a sensor.
The temperature controller is provided with one temperature controller; the fan assembly I is connected with the temperature controller through the relay I, the fan assembly II is connected with the temperature controller through the relay II, the fan assembly III is connected with the temperature controller through the relay III, and the temperature controller is connected with three sensor probes which comprise a sensor I A, a sensor II B and a sensor III C.
The distance between the components in the distance box transformer substation is sequentially arranged from small to large into a fan assembly I, a fan assembly II and a fan assembly III.
The fan assembly I, the fan assembly II and the fan assembly III are respectively provided with two fans.
The sensor probes are all connected with a transformer D.
The utility model discloses a concrete working process:
calculating the number of required fans according to the heat productivity of components in the box transformer substation, the size of the box transformer substation and the average temperature of a running area, and determining the position of the highest temperature point, the position of the middle temperature value and the position of the lowest temperature point through a temperature rise test; a temperature controller and a plurality of sensors are adopted, and the fan is started in stages according to different temperatures; one temperature controller is connected with three relays which are respectively connected with corresponding fan starting devices;
referring to fig. 2, the WK1 controls the primary fans M1 and M2, when the temperature is higher than the start value of WK1, M1 and M2 are started, when the temperature is reduced, M3, M4, M5 and M6 do not need to be started, and when the temperature is lower than the start value and the temperature return difference of WK1, M1 and M2 stop running;
if the temperature continuously rises to reach the starting value of WK2, then M3 and M4 are started, and M1, M2, M3 and M4 run simultaneously;
if the temperature is reduced, the M5 and the M6 do not need to be started, when the temperature is lower than the starting value and the temperature return difference of WK2, the M3 and the M4 stop running, and when the temperature is continuously reduced to be lower than the starting value and the temperature return difference of WK1, the M1 and the M2 also stop running;
and if the temperature continuously rises to reach the WK3 starting value, starting M5 and M6, simultaneously operating all the fans, stopping the operation of M5 and M6 after the temperature is lower than the WK3 starting value and the temperature difference, stopping the operation of M3 and M4 after the temperature continuously falls to be lower than the WK2 starting value and the temperature difference, and stopping the operation of M1 and M2 after the temperature falls to be lower than the WK1 starting value and the temperature difference.
Example 2
The number of the temperature controllers is three; the fan assembly I is connected with the temperature controller I through the relay I, the fan assembly II is connected with the temperature controller II through the relay II, the fan assembly T is connected with the temperature controller III through the relay III, and the temperature controller I, the temperature controller II and the temperature controller III are respectively connected with a sensor probe which comprises a sensor I A, a sensor II B and a sensor III C.
A plurality of temperature controllers are adopted, the highest temperature point in the box transformer substation is provided with one temperature controller, the middle temperature value is provided with one temperature controller, the lowest temperature point is provided with one temperature controller, and the starting value of each temperature controller for starting the fans and the number of the fans can be set according to different schemes.
Referring to fig. 3, fig. 4 and fig. 5, M1 and M2 are primary start fans, M3 and M4 are secondary start fans, M5 and M6 are tertiary start fans, WK1 is a temperature controller at the highest temperature point, WK2 is a temperature controller at the middle temperature point, and WK3 is a temperature controller at the lowest temperature point.
The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.
Claims (5)
1. A box-type substation fan grading start control system is characterized by comprising a primary fan starting device, a secondary fan starting device and a tertiary fan starting device, wherein the primary fan starting device, the secondary fan starting device and the tertiary fan starting device respectively comprise a fan assembly I, a fan assembly II and a fan assembly III; the fan assembly I, the fan assembly II and the fan assembly III respectively comprise a plurality of fans and are connected with a temperature controller, and the temperature controller is connected with a sensor.
2. The box substation fan staged start-up control system of claim 1, wherein the thermostat has one; the fan assembly I is connected with the temperature controller through the relay I, the fan assembly II is connected with the temperature controller through the relay II, the fan assembly III is connected with the temperature controller through the relay III, and the temperature controller is connected with three sensor probes.
3. The box substation fan staged start-up control system of claim 1, wherein the thermostat has three; the fan assembly I is connected with the temperature controller I through the relay I, the fan assembly II is connected with the temperature controller II through the relay II, the fan assembly III is connected with the temperature controller III through the relay III, and the temperature controller I, the temperature controller II and the temperature controller III are respectively connected with a sensor probe.
4. The box-type substation fan grading start-up control system according to any one of claims 1-3, characterized in that the fan assembly I, the fan assembly II and the fan assembly III are arranged in sequence from small to large in distance from components in the box-type substation.
5. The box-type substation fan grading start-up control system according to claim 4, characterized in that the fan assembly one, the fan assembly two and the fan assembly three have two fans respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021555212.3U CN212959219U (en) | 2020-07-31 | 2020-07-31 | Box-type substation fan grading start control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021555212.3U CN212959219U (en) | 2020-07-31 | 2020-07-31 | Box-type substation fan grading start control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212959219U true CN212959219U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021555212.3U Active CN212959219U (en) | 2020-07-31 | 2020-07-31 | Box-type substation fan grading start control system |
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| Country | Link |
|---|---|
| CN (1) | CN212959219U (en) |
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2020
- 2020-07-31 CN CN202021555212.3U patent/CN212959219U/en active Active
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