CN109611363A - Control method for fan, power electronic equipment and storage medium - Google Patents
Control method for fan, power electronic equipment and storage medium Download PDFInfo
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- CN109611363A CN109611363A CN201811199329.XA CN201811199329A CN109611363A CN 109611363 A CN109611363 A CN 109611363A CN 201811199329 A CN201811199329 A CN 201811199329A CN 109611363 A CN109611363 A CN 109611363A
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- fan
- electronic equipment
- power electronic
- cooling system
- environment temperature
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Classifications
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The application discloses a kind of control method for fan, power electronic equipment and storage medium, which comprises obtains the working condition of the fan of cooling system in the heating power and the power electronic equipment of power electronic equipment；Determine the temperature difference of the cooling water of cooling system in environment temperature and the power electronic equipment；According to the temperature of the cooling water of cooling system in the temperature difference of the cooling water of cooling system in the environment temperature and the power electronic equipment and the power electronic equipment, the environment temperature is obtained；According to the environment temperature, determine that the starting of the fan of cooling system in the power electronic equipment stops thresholding.The application can determine that the starting of the fan of cooling system in power electronic equipment stops thresholding by environment temperature, and then control starting and stopping for fan；The frequent start-stop fan under low temperature strong wind operating condition is avoided, the service life of fan motor and equipment is improved, saves electric energy.
Description
Technical field
This application involves power electronics field more particularly to a kind of control method for fan, power electronic equipment and
Storage medium.
Background technique
In power electronic equipment (such as wind electric converter etc.) work, the heat that power electronic equipment generates is usually
It is taken away by water-cooling system, then outside atmosphere is exchanged to by air heat dissipation.However when equipment operates in high latitude or High aititude
When regional, because weather conditions are severe, temperature change is big, the fan control logic in existing air heat dissipation cannot be applicable in well
In above-mentioned environment.
A kind of common settling mode is the inlet water temperature value by detecting wind electric converter, and setting fixed threshold is as control
The condition that fan processed is opened, closed.When current transformer inlet water temperature is higher than certain value, fan is opened, and reinforces heat dissipation；Work as current transformer
Inlet water temperature reduces, and fan is closed, and reduces power consumption.
In this control method, the unlatching threshold value and closing threshold value of fan are fixed.When being in hot environment, if
Fan closing threshold value setting is too low, then inlet water temperature can close threshold value always above fan, be easy to cause the meaningless operation of fan,
Waste electric energy；When being in low temperature environment, if fan opens threshold value, setting is improper, and inlet water temperature can be in fan opening temperature threshold
The phenomenon that value nearby fluctuates, and causes fan frequent start-stop, first influences fan motor life, is second unable to reach good cooling
Effect influences equipment life.
Summary of the invention
In view of this, be designed to provide a kind of control method for fan, power electronic equipment and the storage of the application are situated between
Matter, to solve in power electronic equipment, the unlatching threshold value of fan and close threshold value setting it is improper caused by power consumption, fan frequently open
Stop, the problem of the series such as service life for influencing fan motor and equipment.
It is as follows that the application solves technical solution used by above-mentioned technical problem:
According to the one aspect of the application, a kind of control method for fan for providing, which comprises
Obtain the work of the fan of cooling system in the heating power and the power electronic equipment of power electronic equipment
State；
According to the fan of cooling system in the heating power of the power electronic equipment and the power electronic equipment
Working condition determines the temperature difference of the cooling water of cooling system in environment temperature and the power electronic equipment；
According to the temperature difference of the cooling water of cooling system and the electricity in the environment temperature and the power electronic equipment
The temperature of the cooling water of cooling system in power electronic equipment, obtains the environment temperature；
According to the environment temperature, determine that the starting of the fan of cooling system in the power electronic equipment stops thresholding.
According to the one aspect of the application, a kind of power electronic equipment provided, the power electronic equipment includes storage
Device, processor and it is stored in the fan control program that can be run on the memory and on the processor, the fan control
The step of when processing procedure sequence is executed by the processor for realizing the control method for fan.
According to the one aspect of the application, a kind of storage medium provided is stored with fan control on the storage medium
Program, the step of when the fan control program is executed by the processor for realizing the control method for fan.
The control method for fan, power electronic equipment and storage medium of the embodiment of the present application, can be true by environment temperature
The starting for determining the fan of cooling system in power electronic equipment stops thresholding, and then controls starting and stopping for fan；It avoids
The frequent start-stop fan under low temperature strong wind operating condition improves the service life of fan motor and equipment, saves electric energy.
Detailed description of the invention
Fig. 1 is the control method for fan flow diagram of the application first embodiment；
Fig. 2 is the power electronic equipment structural schematic diagram of the application second embodiment.
The embodiments will be further described with reference to the accompanying drawings for realization, functional characteristics and the advantage of the application purpose.
Specific embodiment
In order to be clearer and more clear technical problems to be solved in this application, technical solution and beneficial effect, tie below
Drawings and examples are closed, the application is further elaborated.It should be appreciated that specific embodiment described herein is only
To explain the application, it is not used to limit the application.
First embodiment
As shown in Figure 1, the application first embodiment provides a kind of control method for fan, this method is set for power electronics
It is standby.Power electronic equipment includes but is not limited to wind electric converter, photovoltaic DC-to-AC converter etc..
The described method includes:
Step S11, the wind of cooling system in the heating power and the power electronic equipment of power electronic equipment is obtained
The working condition of fan.
In the present embodiment, the working condition of fan includes starting and stopping, and the quantity of fan is not limited thereto, can be with
For one or more.
In one embodiment, the heating power and the power electronic equipment for obtaining power electronic equipment
The working condition of the fan of middle cooling system, comprising:
The fan of cooling system has been turned in the power electronic equipment and the duration started is pre- more than first
If in the case where the time, obtaining the wind of cooling system in the heating power and the power electronic equipment of power electronic equipment
The working condition of fan；Alternatively,
In the power electronic equipment starting of the fan of cooling system stop thresholding having modified and time for modifying
In the case where more than the second preset time, obtain cold in the heating power and the power electronic equipment of power electronic equipment
But the working condition of the fan of system.
As illustratively, the duration of starting fan more than 1 minute in the case where or the starting of fan stop
In the case of the time of thresholding modification is small more than 2, the heating power and the power electronics of power electronic equipment are obtained
The working condition of the fan of cooling system in equipment.
In another embodiment, the heating power for obtaining power electronic equipment and the power electronics are set
The working condition of the fan of standby middle cooling system, before further include:
The starting for presetting the fan of cooling system in the environment temperature and the power electronic equipment stops thresholding.
As illustratively, cooling system in the environment temperature and the power electronic equipment can be preset according to following table
The starting of the fan of system stops thresholding:
Step S12, according to cooling system in the heating power of the power electronic equipment and the power electronic equipment
Fan working condition, determine the temperature difference of the cooling water of cooling system in environment temperature and the power electronic equipment.
In the present embodiment, can be radiated heat transfer characteristic by known air, according to the fever of the power electronic equipment
The working condition of the fan of cooling system in power and the power electronic equipment determines environment temperature and electric power electricity
The temperature difference of the cooling water of cooling system in sub- equipment.
Step S13, according to the temperature difference of the cooling water of cooling system in the environment temperature and the power electronic equipment, with
And in the power electronic equipment cooling water of cooling system temperature, obtain the environment temperature.
In one embodiment, it is described according to the environment temperature in the power electronic equipment cooling system it is cold
But in the temperature difference of water and the power electronic equipment cooling water of cooling system temperature, obtain the environment temperature, before
Further include:
Obtain the temperature of the cooling water of cooling system in the power electronic equipment.
In this embodiment, the temperature of the cooling water of cooling system in the power electronic equipment can be detected by sensor
Degree.
Step S14, according to the environment temperature, determine that the starting of the fan of cooling system in the power electronic equipment stops
Only thresholding.
In one embodiment, described according to the environment temperature, determine cooling system in the power electronic equipment
Fan starting stop thresholding, later further include:
Stop thresholding according to the starting of the fan of cooling system in the power electronic equipment, controls the power electronics and set
The fan of standby middle cooling system starts and stops.
In order to preferably illustrate the fan control process of the present embodiment, it is illustrated by taking wind electric converter as an example below:
The starting of the fan of the cooling system of wind electric converter, which stops thresholding, can refer to shown in above table, wind electric converter
Cooling system have 3 fans.
Assuming that the generated output of wind electric converter is handled using rolling average, sampling period 10s, rolling average hits is
10, obtain estimation generated output P, P is electrical equipment power coefficient, dimensionless, numerical value be realtime power and full-load power it
Than.
The scattered design principle of sky are as follows: 40 degree of environment temperature, current transformer are completely sent out, under the conditions of 3 fan standard-sized sheets, and current transformer enters saliva
Temperature is 10 degree higher than environment temperature.
Estimating algorithm is designed according to opened fan number:
When opening 0 fan:Wherein a=0.05, TenvFor environment temperature, TwaterFor unsteady flow
Device inlet water temperature；
When opening 1 fan:
When opening 2 fans:
When opening 3 fans:
The environment temperature obtained is estimated, when ambient temperature value belongs to (20 DEG C or less), (20 DEG C -25 DEG C), (25 DEG C -30
DEG C), (30 DEG C -35 DEG C), (35 DEG C or more) this five sections when, respectively correspond display environment temperature be 17.5 DEG C, 22.5 DEG C,
27.5 DEG C, 32.5 DEG C, 37.5 DEG C of this 5 values.Such as when the environment temperature of estimation is 15 DEG C, display environment temperature estimation result is
17.5 DEG C, when estimation environment temperature is 33 DEG C, display environment temperature estimation result is 32.5 DEG C.And before estimated temperature and estimation
Environment temperature difference be more than 5 DEG C be that could change environment temperature.
According to environment temperature and aforementioned table that estimation obtains, the fan of the cooling system of wind electric converter can be determined
Starting stop thresholding, and then control fan and start and stop.Such as when environment temperature is 17.5 DEG C, 32 degree of startings the 1st
A fan, 29 degree of stoppings；When environment temperature is 32 degree, the 1st fan of 38 degree of startings, 35 degree of stoppings.
Generally, when multiple fans meet entry condition simultaneously, each starting fan interval 5s；Starting fan every time, most
Small runing time is 1min.
The control method for fan of the embodiment of the present application can determine cooling system in power electronic equipment by environment temperature
The starting of fan stops thresholding, and then controls starting and stopping for fan；Avoid the frequent start-stop wind under low temperature strong wind operating condition
Fan improves the service life of fan motor and equipment, saves electric energy.
Second embodiment
As shown in Fig. 2, the application second embodiment provides a kind of power electronic equipment, which is characterized in that the electric power electricity
Sub- equipment includes memory 21, processor 22 and is stored in the wind that can be run on the memory 21 and on the processor 22
Fan control program, the fan control program realize the step of control method for fan as described below when being executed by the processor 22
It is rapid:
Obtain the work of the fan of cooling system in the heating power and the power electronic equipment of power electronic equipment
State；
According to the fan of cooling system in the heating power of the power electronic equipment and the power electronic equipment
Working condition determines the temperature difference of the cooling water of cooling system in environment temperature and the power electronic equipment；
According to the temperature difference of the cooling water of cooling system and the electricity in the environment temperature and the power electronic equipment
The temperature of the cooling water of cooling system in power electronic equipment, obtains the environment temperature；
According to the environment temperature, determine that the starting of the fan of cooling system in the power electronic equipment stops thresholding.
When the fan control program is executed by the processor 22, it is also used to realize control method for fan as described below
The step of:
The starting for presetting the fan of cooling system in the environment temperature and the power electronic equipment stops thresholding.
When the fan control program is executed by the processor 22, it is also used to realize control method for fan as described below
The step of:
The fan of cooling system has been turned in the power electronic equipment and the duration started is pre- more than first
If in the case where the time, obtaining the wind of cooling system in the heating power and the power electronic equipment of power electronic equipment
The working condition of fan；Alternatively,
In the power electronic equipment starting of the fan of cooling system stop thresholding having modified and time for modifying
In the case where more than the second preset time, obtain cold in the heating power and the power electronic equipment of power electronic equipment
But the working condition of the fan of system.
When the fan control program is executed by the processor 22, it is also used to realize control method for fan as described below
The step of:
Obtain the temperature of the cooling water of cooling system in the power electronic equipment.
When the fan control program is executed by the processor 22, it is also used to realize control method for fan as described below
The step of:
Stop thresholding according to the starting of the fan of cooling system in the power electronic equipment, controls the power electronics and set
The fan of standby middle cooling system starts and stops.
The power electronic equipment of the embodiment of the present application can determine cooling system in power electronic equipment by environment temperature
The starting of fan stops thresholding, and then controls starting and stopping for fan；Avoid the frequent start-stop wind under low temperature strong wind operating condition
Fan improves the service life of fan motor and equipment, saves electric energy.
3rd embodiment
The application 3rd embodiment provides a kind of storage medium, and fan control program, institute are stored on the storage medium
The step of stating when fan control program is executed by the processor for realizing control method for fan described in first embodiment.
The storage medium of the embodiment of the present application can determine the fan of cooling system in power electronic equipment by environment temperature
Starting stop thresholding, and then control fan and start and stop；The frequent start-stop fan under low temperature strong wind operating condition is avoided, is mentioned
In the service life of high fan motor and equipment, save electric energy.
It will appreciated by the skilled person that whole or certain steps, system, dress in method disclosed hereinabove
Functional module/unit in setting may be implemented as software, firmware, hardware and its combination appropriate.In hardware embodiment,
Division between the functional module/unit referred in the above description not necessarily corresponds to the division of physical assemblies；For example, one
Physical assemblies can have multiple functions or a function or step and can be executed by several physical assemblies cooperations.Certain objects
Reason component or all physical assemblies may be implemented as by processor, such as central processing unit, digital signal processor or micro process
The software that device executes, is perhaps implemented as hardware or is implemented as integrated circuit, such as specific integrated circuit.Such software
Can be distributed on a computer-readable medium, computer-readable medium may include computer storage medium (or non-transitory be situated between
Matter) and communication media (or fugitive medium).As known to a person of ordinary skill in the art, term computer storage medium includes
In any method or skill for storing information (such as computer readable instructions, data structure, program module or other data)
The volatile and non-volatile implemented in art, removable and nonremovable medium.Computer storage medium includes but is not limited to
RAM, ROM, EEPROM, flash memory or other memory technologies, CD-ROM, digital versatile disc (DVD) or other optical disc storages, magnetic
Box, tape, disk storage or other magnetic memory apparatus or it can be used for storing desired information and can be visited by computer
Any other medium asked.In addition, known to a person of ordinary skill in the art be, communication media generally comprises computer-readable
Other numbers in the modulated data signal of instruction, data structure, program module or such as carrier wave or other transmission mechanisms etc
According to, and may include any information delivery media.
Above by reference to Detailed description of the invention preferred embodiment of the present application, not thereby limit to the interest field of the application.This
Field technical staff does not depart from made any modifications, equivalent replacements, and improvements in scope of the present application and essence, should all be at this
Within the interest field of application.
Claims (7)
1. a kind of control method for fan, which comprises
Obtain the work shape of the fan of cooling system in the heating power and the power electronic equipment of power electronic equipment
State；
According to the work of the fan of cooling system in the heating power of the power electronic equipment and the power electronic equipment
State determines the temperature difference of the cooling water of cooling system in environment temperature and the power electronic equipment；
According to the temperature difference of the cooling water of cooling system in the environment temperature and the power electronic equipment and electric power electricity
The temperature of the cooling water of cooling system in sub- equipment, obtains the environment temperature；
According to the environment temperature, determine that the starting of the fan of cooling system in the power electronic equipment stops thresholding.
2. control method for fan according to claim 1, which is characterized in that the fever function for obtaining power electronic equipment
The working condition of the fan of cooling system in rate and the power electronic equipment, before further include:
The starting for presetting the fan of cooling system in the environment temperature and the power electronic equipment stops thresholding.
3. control method for fan according to claim 1, which is characterized in that the fever function for obtaining power electronic equipment
The working condition of the fan of cooling system in rate and the power electronic equipment, comprising:
The fan of cooling system has been turned on and when the duration started is default more than first in the power electronic equipment
Between in the case where, obtain the fan of cooling system in the heating power and the power electronic equipment of power electronic equipment
Working condition；Alternatively,
The starting stopping thresholding of the fan of cooling system has been modified in the power electronic equipment and the time modified has been more than
In the case where second preset time, cooling system in the heating power and the power electronic equipment of power electronic equipment is obtained
The working condition of the fan of system.
4. control method for fan according to claim 1, which is characterized in that described according to the environment temperature and the electricity
In power electronic equipment in the temperature difference of the cooling water of cooling system and the power electronic equipment cooling water of cooling system temperature
Degree, obtains the environment temperature, before further include:
Obtain the temperature of the cooling water of cooling system in the power electronic equipment.
5. control method for fan according to claim 1, which is characterized in that it is described according to the environment temperature, determine institute
The starting for stating the fan of cooling system in power electronic equipment stops thresholding, later further include:
Stop thresholding according to the starting of the fan of cooling system in the power electronic equipment, controls in the power electronic equipment
The fan of cooling system starts and stops.
6. a kind of power electronic equipment, which is characterized in that the power electronic equipment includes memory, processor and is stored in institute
The fan control program that can be run on memory and on the processor is stated, the fan control program is held by the processor
The step of when row for realizing the control method for fan as described in any one of claims 1 to 5.
7. a kind of storage medium, which is characterized in that be stored with fan control program, the fan control journey on the storage medium
The step of when sequence is executed by the processor for realizing the control method for fan as described in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811199329.XA CN109611363B (en) | 2018-10-15 | 2018-10-15 | Fan control method, power electronic device, and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811199329.XA CN109611363B (en) | 2018-10-15 | 2018-10-15 | Fan control method, power electronic device, and storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109611363A true CN109611363A (en) | 2019-04-12 |
| CN109611363B CN109611363B (en) | 2021-04-06 |
Family
ID=66002423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811199329.XA Active CN109611363B (en) | 2018-10-15 | 2018-10-15 | Fan control method, power electronic device, and storage medium |
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| Country | Link |
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| CN (1) | CN109611363B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113778206A (en) * | 2021-07-30 | 2021-12-10 | 中国电子科技集团公司第二十九研究所 | Method and device for preventing environmental control equipment in electronic system from freezing |
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| CN113778206A (en) * | 2021-07-30 | 2021-12-10 | 中国电子科技集团公司第二十九研究所 | Method and device for preventing environmental control equipment in electronic system from freezing |
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| CN109611363B (en) | 2021-04-06 |
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