CN108916098A - A kind of revolution speed control system and its control method of condensation fan - Google Patents
A kind of revolution speed control system and its control method of condensation fan Download PDFInfo
- Publication number
- CN108916098A CN108916098A CN201810715461.5A CN201810715461A CN108916098A CN 108916098 A CN108916098 A CN 108916098A CN 201810715461 A CN201810715461 A CN 201810715461A CN 108916098 A CN108916098 A CN 108916098A
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- Prior art keywords
- condensation fan
- module
- selecting
- unit
- 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
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
Abstract
The invention discloses a kind of revolution speed control system of condensation fan and its control methods, are related to refrigerator art.The present invention includes request receiving module, selecting module and control module；Request signal is transferred to selecting module by request receiving module, and selecting module acquisition data will control data after calculating and be transferred to control module；Selecting module includes temperature collection unit, compressor rotary speed acquisition unit, judging unit and selecting unit；The data of acquisition are transferred to judging unit respectively by temperature collection unit and compressor rotary speed acquisition unit；Judging result data are transferred to selecting unit by judging unit.The present invention is by selecting different fan operation duty ratios for different condensation radiating requirements and air quantity demand, condensation fan revolving speed is controlled by adjusting condensation fan operation duty ratio, solve the problems, such as that the prior art causes refrigerator fan noise bigger than normal due to using biggish blower fixed rotating speed, the noise generated when reducing fan operation.
Description
Technical field
The invention belongs to refrigerator arts, more particularly to the revolution speed control system and its controlling party of a kind of condensation fan
Method.
Background technique
For the refrigerator with external condenser, the size of condensation fan revolving speed affects the good of condenser heat dissipation effect
It is bad；Condensation fan revolving speed is bigger, and condenser heat dissipation effect is better, while rotation speed of fan is bigger, and operation noise is also bigger.
Currently, generally using the revolving speed control of the condensation fan of refrigerator with fixed maximum speed operation or according to ring
The height of border temperature does simple revolving speed adjustment；In actual use, which has the following problems：
1, condensation fan is run under higher fixed rotating speed, and operation noise is relatively large, reduces user to refrigerator
Experience.
2, condensation fan revolving speed fails to accomplish Proper Match with condenser heat dissipation payload, cannot be run according to refrigerator real
When situation, intelligently the revolving speed of condensation fan is adjusted.In refrigerator high load capacity, condenser radiating requirements are big, condensation
Blower is run with high revolving speed, to guarantee the normal refrigeration demand of refrigerator.However refrigerator is in 1 year in the most of the time, refrigerator fortune
Row load is relatively small, and condensation fan need not be still with the operation of high revolving speed.
Therefore, how according to the real time execution situation of refrigerator, the revolving speed of refrigerator condensation fan is intelligently controlled, is rationally dropped
The noise that low condensation fan generates when running, and experience of the user to refrigerator is promoted, become urgent problem to be solved.
Summary of the invention
The purpose of the present invention is to provide a kind of revolution speed control system of condensation fan and its control methods, by being different
Condensation radiating requirements and air quantity demand select different fan operation duty ratios, by adjusting condensation fan run duty ratio control
Freeze solidifying rotation speed of fan, and solve the prior art causes refrigerator fan noise is bigger than normal to ask due to using biggish blower fixed rotating speed
Topic, the noise generated when reducing fan operation promote user to the usage experience of refrigerator.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is a kind of revolution speed control system of condensation fan, including request receiving module, selecting module and control mould
Block；The request receiving module is connect with selecting module, the request receiving module decision request whether to be opened condensation fan
It is transferred to selecting module；The selecting module include temperature collection unit, compressor rotary speed acquisition unit, judging unit and
Selecting unit；The ambient temperature data of acquisition is transferred to judging unit by the temperature collection unit；The compressor turns
The compressor rotary speed data of acquisition are transferred to judging unit by fast acquisition unit；The judging unit judges actual ambient temperature institute
Preset rotation speed range locating for the preset temperature range at place and current compressor revolving speed, and by actual ambient temperature range data and
Actual compressor range of speeds data are transferred to selecting unit；The selecting unit is according to actual ambient temperature range data and reality
Border compressor rotary speed range data judges demand of the refrigerator to condenser heat dissipation capacity, and preset condensation fan operational objective is selected to account for
Empty ratio, and the condensation fan operational objective duty cycle data of selection is transferred to control module；The control module is according to condensation
Fan operation target duty is than data point reuse condensation fan work at present duty ratio.
Further, the temperature collection unit includes temperature sensor.
Further, the duty ratio is percentage shared by one start-stop period inner blower runing time of blower.
A kind of control method of the revolution speed control system of condensation fan, includes the following steps：
SS01：Compressor start, request receiving module send blower decision request to selecting module；
SS02：Selecting module judges whether condensation fan needs to open, and SS03 is entered when needing to open, is otherwise terminated；
SS03：Selecting module judges the size of condenser for refrigerator heat dissipation load, and preset condensation fan target is selected to account for
Empty ratio；
SS04：The current operation duty ratio that control module adjusts condensation fan is preset condensation fan target duty ratio.
Further, in the step SS02, selecting module acquires the temperature of refrigerator local environment, and according to current environment
Temperature judges whether condensation fan needs to open；When environment temperature is greater than pre-set target temperature, then condensation fan is opened, otherwise cold
Solidifying blower does not start.
Further, in the step SS03, environment temperature and compressor fortune that selecting module acquisition refrigerator is presently in
Row revolving speed judges preset rotation speed range locating for preset temperature range locating for current environmental temperature and current compressor revolving speed,
And determine that refrigerator to the size of condenser heat dissipation capacity demand, selects preset condensation fan operational objective duty ratio.
The invention has the advantages that：
The present invention passes through the conditions of demand for considering refrigerator external condenser heat dissipation load, according to different condensation radiating requirements
Different fan operation duty ratios is selected with air quantity demand, and is turned by adjusting condensation fan operation duty ratio control condensation fan
Speed not only can satisfy refrigerator performance requirement, but also solves the prior art and lead to refrigerator due to using biggish blower fixed rotating speed
Fan noise problem bigger than normal, the noise generated when rationally reducing fan operation, improves user to the usage experience of refrigerator.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of revolution speed control system module connection diagram of condensation fan；
Fig. 2 is a kind of control method flow chart of the revolution speed control system of condensation fan；
Fig. 3 is the flow chart of condensation fan selection target duty ratio.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one：
Refering to Figure 1, the present invention is the revolution speed control system that the present invention is a kind of condensation fan, including request receives
Module, selecting module and control module；Request receiving module is connect with selecting module, request receiving module by condensation fan whether
The decision request to be opened is transferred to selecting module；Selecting module includes temperature collection unit, compressor rotary speed acquisition list
Member, judging unit and selecting unit；The ambient temperature data of acquisition is transferred to judging unit by temperature collection unit；Compression
The compressor rotary speed data of acquisition are transferred to judging unit by machine revolving speed acquisition unit；Judging unit judges actual ambient temperature institute
Preset rotation speed range locating for the preset temperature range at place and current compressor revolving speed, and by actual ambient temperature range data and
Actual compressor range of speeds data are transferred to selecting unit；Selecting unit is according to actual ambient temperature range data and practical pressure
Contracting machine range of speeds data judge demand of the refrigerator to condenser heat dissipation capacity, select preset condensation fan operational objective duty
Than, and the condensation fan operational objective duty cycle data of selection is transferred to control module；Control module is transported according to condensation fan
Row target duty is than data point reuse condensation fan work at present duty ratio.
Further, temperature collection unit includes temperature sensor.
Further, duty ratio is percentage shared by one start-stop period inner blower runing time of blower.
Embodiment two：
It please refers to shown in Fig. 2, a kind of control method of the revolution speed control system of condensation fan includes the following steps：
SS01：Compressor start, request receiving module send blower decision request to selecting module；
SS02：Selecting module judges whether condensation fan needs to open, and SS03 is entered when needing to open, is otherwise terminated；
SS03：Selecting module judges the size of condenser for refrigerator heat dissipation load, and preset condensation fan target is selected to account for
Empty ratio；
SS04：The current operation duty ratio that control module adjusts condensation fan is preset condensation fan target duty ratio.
Further, in step SS02, selecting module acquires the temperature of refrigerator local environment, and according to current environmental temperature
Judge whether condensation fan needs to open；When environment temperature is greater than pre-set target temperature, then condensation fan is opened, otherwise condensating wind
Machine does not start.
Further, in step SS03, the environment temperature and compressor operation that selecting module acquisition refrigerator is presently in turn
Speed judges preset rotation speed range locating for preset temperature range locating for current environmental temperature and current compressor revolving speed, and sentences
Refrigerator is determined to the size of condenser heat dissipation capacity demand, selects preset condensation fan operational objective duty ratio.
Embodiment three：
Condensation fan revolving speed and duty ratio corresponding relationship, as shown in table 1 below：
1 condensation fan revolving speed of table table corresponding with duty ratio
| Gear | S1 | S2 | S3 | S4 | S5 | S6 |
| Duty ratio | 30% | 35% | 40% | 45% | 50% | 55% |
| Corresponding revolving speed | 425 | 497 | 562 | 624 | 685 | 746 |
| Gear | S7 | S8 | S9 | S10 | S11 | S12 |
| Duty ratio | 60% | 65% | 70% | 80% | 90% | 100% |
| Corresponding revolving speed | 807 | 868 | 926 | 1032 | 1136 | 1239 |
When environment temperature is 33 DEG C, and when compressor rotary speed 3000rpm, according to table 1, condensation fan is accounted for by operation
It is empty to be divided into 12 gears, the corresponding default rotation speed of fan of each duty ratio than corresponding revolving speed；Environment temperature is divided into six
Preset temperature section, by five preset rotation speed sections of compressor rotary speed point, any one preset temperature section and any one preset rotation speed
Section collocation, a corresponding default rotation speed of fan, as shown in table 2 below：
2 condensation fan selection of speed table of table
It please refers to shown in Fig. 3, the process of condensation fan selection target duty ratio includes the following steps：Firstly, compressor opens
Dynamic, acquisition environment temperature is 33 DEG C, and current environmental temperature is greater than 5 DEG C, condensation fan starting；Later, determine environment temperature " 28
In the < temperature section of Th≤39 ", acquisition compressor rotary speed is 3000rpm, determines compressor rotary speed in " 2430~3600 " velocity shooting
It is interior；It finally selects condensation fan revolving speed gear for S7 according to table 2, is 60% according to the selected target duty ratio of table 1, it is corresponding
Revolving speed is 807rpm.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (6)
1. a kind of revolution speed control system of condensation fan, including request receiving module, selecting module and control module, feature exist
In：The request receiving module is connect with selecting module, the request receiving module decision request whether to be opened condensation fan
It is transferred to selecting module；The selecting module include temperature collection unit, compressor rotary speed acquisition unit, judging unit and
Selecting unit；The ambient temperature data of acquisition is transferred to judging unit by the temperature collection unit；The compressor turns
The compressor rotary speed data of acquisition are transferred to judging unit by fast acquisition unit；The judging unit judges actual ambient temperature institute
Preset rotation speed range locating for the preset temperature range at place and current compressor revolving speed, and by actual ambient temperature range data and
Actual compressor range of speeds data are transferred to selecting unit；The selecting unit is according to actual ambient temperature range data and reality
Border compressor rotary speed range data judges demand of the refrigerator to condenser heat dissipation capacity, and preset condensation fan operational objective is selected to account for
Empty ratio, and the condensation fan operational objective duty cycle data of selection is transferred to control module；The control module is according to condensation
Fan operation target duty is than data point reuse condensation fan work at present duty ratio.
2. a kind of revolution speed control system of condensation fan according to claim 1, which is characterized in that the environment temperature is adopted
Collecting unit includes temperature sensor.
3. a kind of control method of the revolution speed control system of condensation fan according to claim 1, which is characterized in that described
Duty ratio is percentage shared by one start-stop period inner blower runing time of blower.
4. a kind of control method of the revolution speed control system of condensation fan a method according to any one of claims 1-3, which is characterized in that
Include the following steps：
SS01：Compressor start, request receiving module send blower decision request to selecting module；
SS02：Selecting module judges whether condensation fan needs to open, and SS03 is entered when needing to open, is otherwise terminated；
SS03：Selecting module judges the size of condenser for refrigerator heat dissipation load, and selects preset condensation fan target duty ratio；
SS04：The current operation duty ratio that control module adjusts condensation fan is preset condensation fan target duty ratio.
5. a kind of control method of the revolution speed control system of condensation fan according to claim 4, which is characterized in that described
In step SS02, selecting module acquires the temperature of refrigerator local environment, and whether judges condensation fan according to current environmental temperature
It needs to open；When environment temperature is greater than pre-set target temperature, then condensation fan is opened, and otherwise condensation fan does not start.
6. a kind of control method of the revolution speed control system of condensation fan according to claim 4, which is characterized in that described
In step SS03, the environment temperature and compressor running speed that selecting module acquisition refrigerator is presently in judge current environment temperature
Preset rotation speed range locating for the locating preset temperature range of degree and current compressor revolving speed, and determine that refrigerator radiates to condenser
The size of amount demand selects preset condensation fan operational objective duty ratio.
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| CN201810715461.5A CN108916098A (en) | 2018-07-03 | 2018-07-03 | A kind of revolution speed control system and its control method of condensation fan |
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| CN201810715461.5A CN108916098A (en) | 2018-07-03 | 2018-07-03 | A kind of revolution speed control system and its control method of condensation fan |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111238154A (en) * | 2020-02-05 | 2020-06-05 | 广东奥马冰箱有限公司 | Fan synchronization and self-adaption method, controller and air-cooling frostless refrigeration appliance |
| CN111426491A (en) * | 2020-03-12 | 2020-07-17 | 长虹美菱股份有限公司 | Noise detection control method and system for multi-system air-cooled refrigerator |
| CN113879077A (en) * | 2021-09-27 | 2022-01-04 | 武汉格罗夫氢能汽车有限公司 | Air conditioner condenser fan control method based on finished automobile heat load |
| CN116608150A (en) * | 2023-07-18 | 2023-08-18 | 宁德时代新能源科技股份有限公司 | Method, apparatus and computer readable storage medium for determining rotational speed |
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