CN106593920A - Novel fan wall and fan combination structure and control method thereof - Google Patents
Novel fan wall and fan combination structure and control method thereof Download PDFInfo
- Publication number
- CN106593920A CN106593920A CN201611208862.9A CN201611208862A CN106593920A CN 106593920 A CN106593920 A CN 106593920A CN 201611208862 A CN201611208862 A CN 201611208862A CN 106593920 A CN106593920 A CN 106593920A
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- group
- fan
- blower
- blower fan
- wall
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000002131 composite material Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 5
- 238000013139 quantization Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 230000001276 controlling effect Effects 0.000 abstract 1
- 238000004378 air conditioning Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
-
- 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
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a novel fan wall and fan combination structure and a control method thereof. The novel fan wall and fan combination structure comprises a plurality of fan sets which are arranged abreast on a fan wall, and additionally the fan sets can be divided equally and quantified in set number. Each fan set includes fans with same quantities. One or more fan sets are regulated in a stepless mode, and the other fan sets are regulated in a step mode. According to the control method, control over the novel fan wall combination structure is achieved by utilizing a modeling method. According to the novel fan wall and fan combination structure and the control method thereof, cost is low and controlling accuracy is high.
Description
Technical field
The invention belongs to Metro Air conditioner field, more particularly to a kind of subway station embedded type air conditioner system fan wall novel air
Machine combinative structure and its control method.
Background technology
Fan wall is mainly used in the embedded Evaporative Cooling Air-conditioning System of subway station, mainly including centrifugal blower, check-valves,
The main parts size such as fire resisting damper and rosette is constituted, and using modularized design, is usually embedded the body of wall being installed between new exhausting duct
On, the benefit air quantity for introducing is adjusted from fresh flue by controlling the blower fan on fan wall, it is cold to evaporating when air conditioning system is run
Condenser carries out self adaptation and mends wind, it is ensured that system stable operation.
As fan wall stablizes most important to the condensing pressure of subway station embedded type air conditioner system, that what is applied at present is new
Type embedded type air conditioner system adopt for can step-less adjustment running speed EC blower fans, as shown in Figure 1.The blower fan built-in intelligence control
The brush DC formula motor of molding block, carries Thermal protection, reserves the external speed-regulating signal input interface of 0-10V, and outside can pass through
Given 0-10V DC voltages realize blower fan 0-100% stepless speed regulations.For embedded type air conditioner system, by adjusting simultaneously
The EC rotation speed of fan of fan wall, realizes mending the step-less adjustment of air quantity, directly influences the condensing pressure change of air conditioning system, control
System exports 0-10V again by each air conditioning system condensing pressure state of monitoring and speed governing is carried out to EC blower fans, and response air conditioning system is cold
Solidifying pressure change.
As embedded type air conditioner system is to mending air quantity demand than larger, so the air conditioning system of generally subway station one end needs to use
The blower fan quantity of fan wall reaches more than ten, and power, is reduced for the Energy Efficiency Ratio for improving whole Metro Air conditioner up to tens kilowatts
The power consumption of air conditioning system, it is also imperative that fan wall needs step-less adjustment.
But EC blower fans on the market are general all costly, more traditional AC blower fans for having level to adjust are compared, single blower fan is high
Go out the expense more than 1,000, if counting the whole blower fans used by the fan wall of whole air conditioning system in, overall cost can be higher by two
Ten thousand yuan or so, constrain the application of novel embedded air conditioning system.
To change this present situation, the scheme attempted is that fan wall all blower fans are substituted EC blower fans, AC wind by AC blower fans
Machine is common centrifugal blower, realizes the start and stop of blower fan by main power source break-make, therefore when fan wall benefit air quantity is adjusted, need to be by wind
The AC blower fans of machine wall are divided into array, as shown in Fig. 2 totally 15 blower fans, are divided into 5 groups, per group of 3 AC blower fans are actual in speed governing,
The purpose of air quantity regulation is reached by the blower fan group number for being stepped up running and the blower fan group number for gradually reducing operation, in reality
In application process, therefore kind regulative mode is excessively coarse, causes the condensing pressure control accuracy of air conditioning system to have a greatly reduced quality, unfavorable
In the stable operation of whole system, for the air conditioning system high stable of subway station and reliable requirement, exist certain
Risk, it is therefore necessary to be improved further again.
The content of the invention
The purpose of the present invention aims to provide that a kind of cost is relatively low, the higher fan wall blower fan combination of control accuracy and its controls
Method, to overcome above weak point of the prior art.
A kind of novel fan wall blower fan combinative structure, is included on fan wall and is arranged side by side some blower fan groups, and blower fan group
Group number can be divided equally quantization, each blower fan group includes the equal blower fan of number, and an at least blower fan group is capable of achieving step-less adjustment,
Remaining blower fan group is have level to adjust.
In order that air-blower control precision is higher, it is necessary to while the linear stepless for ensureing fan wall blower fan group is adjusted, also
The cost that its embodiment need to be controlled is relatively low, from this angle, it is contemplated that adopting fraction EC blower fans+major part
The combination of AC blower fans or all using the combination of AC blower fans, but the new control method of need.
Further, the blower fan of an at least blower fan group is the EC blower fans that achievable 0-100% power stepless is adjusted, its
Lingering remnants of past customs unit is the AC blower fans of level regulation.
Further, the group number of blower fan group is 5 groups, and every group of blower fan number is 3, and the blower fan for having 1 group of blower fan group is EC
Blower fan, the blower fan of remaining 4 groups of blower fan group are AC blower fans.
Further, the blower fan of blower fan group is AC blower fans, and at least one group blower fan group carried out using converter it is stepless
Adjust.
Further, the group number of blower fan group is 5 groups, and every group of blower fan number is 3.
Further, using modeling method to the novel fan wall composite construction as described in claim 1-5 any one
It is controlled, the modeling method includes as follows：
By one overall point of N equal portions, then total amount is accounted for per equal portionsAnd therein one be divided into scalable and quantify to 0
～100%, remaining be divided into it is fixed can not change, wherein N be positive integer；
When demand is total amountQuantifiable that decile is carried out into correspondence need satisfaction then；
When demand is in total amountWhen, then directly by a wherein decile of remaining decile meeting, while quantifiable
That decile need to be reduced to 0；
When demand is total amountWhen, then directly adjust and can quantify that decile, and with reference to remaining decile its
In a decile meeting；
When demand is total amountWhen, then directly adjust and can quantify that decile, and with reference to remaining decile
Wherein halve to meet；
When demand is total amountWhen, then directly adjust and can quantify that decile, and with reference to remaining decile
Wherein trisection is meeting；
When demand is total amountWhen, then directly adjust and can quantify that decile, and with reference to remaining decile
The wherein quartering is meeting.
In mathematical modeling, so-called proportion adjustment or step-less adjustment, when being to need how many percentage ratios, actuator can
Corresponding non-standard output signal is responded, and according to this definition, by several equal portions of object point, such as five deciles, then total amount is accounted for per equal portions
20%, this five decile is so distinguished, it is therein it is a certain be divided into scalable and quantify 0-100%, other fourth class are divided into solid
Fixed can not change.When demand 0-20%, then quantifiable that decile can be carried out correspondence need satisfaction, and work as demand and exist
When 20%, then directly the one of which of remaining other quarterings can be met, at the same quantifiable that decile need by
Which is reduced to 0, when demand is 20～40%, then directly adjusts and can quantify that decile, and other demands can when interval
The like, it is known that so combination and control method can realize whole demand 0-100% step-less adjustment purpose completely.
Further, novel fan wall blower control method includes as follows：
5 groups of blower fan groups are arranged side by side on fan wall, every group of blower fan group arranges 3 blower fans, and each fan delivery is identical；
3 blower fans of the 1st group of blower fan group from can 0-100% step-less adjustments EC blower fans, be left 4 groups of blower fan groups, 12 wind
Machine is from the AC blower fans can only to there is grade start and stop；
When the 0-20% scopes that air quantity demand is total amount are mended, 3 EC blower fans of the 1st group of fan wall are opened, while 0-
100% carries out step-less adjustment；
When 20%～40% scope of the air quantity demand in total amount is mended, the 1st group of 3 EC blower fan groups continue the 0- that starts from scratch
100% step-less adjustment, is now then turned on the 2nd group of AC blower fan.
When 40%～60% scope of the air quantity demand in total amount is mended, the 1st group of 3 EC blower fan groups continue the 0- that starts from scratch
100% step-less adjustment, is now then turned on the 3rd group of AC blower fan.
When 60%～80% scope of the air quantity demand in total amount is mended, the 1st group of 3 EC blower fan groups continue the 0- that starts from scratch
100% step-less adjustment, is now then turned on the 4th group of AC blower fan.
Further, novel fan wall blower control method, including it is as follows：
5 groups of blower fan groups are arranged side by side on fan wall, every group of blower fan group arranges 3 blower fans, and each fan delivery is identical,
And all blower fans are set using AC blower fans；
3 AC blower fans of the 1st group of blower fan group share a converter and carry out step-less adjustment；
When the 0-20% scopes that air quantity demand is total amount are mended, 3 AC blower fans for opening the 1st group of fan wall are entered with converter
Row is adjusted；
When 40～60% scope of the demand in total amount, one group of AC blower fan is then turned on reference to the 1st group of blower fan group.
When 60～80% scope of the demand in total amount, two groups of AC blower fans are then turned on reference to the 1st group of blower fan group.
When 80～100% scope of the demand in total amount, three groups of AC blower fans are then turned on reference to the 1st group of blower fan group.
When 100～120% scope of the demand in total amount, four groups of AC blower fans are then turned on reference to the 1st group of blower fan group.
Compared with prior art, the present invention is simple effectively, by cleverly combination and control method, you can avoid because of blower fan
High cost problem or adjust the control for bringing essence because all carrying out level using AC blower fans that wall is all brought using EC blower fans
Degree problems of too.
Description of the drawings
Fig. 1 is fan wall all using the constitutional diagram of EC blower fans；
Fig. 2 is fan wall all using the constitutional diagram of AC blower fans；
Fig. 3 is the constitutional diagram of fan wall EC and AC blower fan mixing；
Control effect figures of the Fig. 4 for first embodiment；
Control effect figures of the Fig. 5 for second embodiment.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is described in further detail.
First embodiment
Referring to Fig. 3 and Fig. 4,15 blower fans of fan wall are divided into into 5 groups, each blower fan requires that air quantity is identical during type selecting, most goes up
3 blower fans in face from can 0-100% step-less adjustments EC blower fans, remaining 12 blower fans are one group totally 4 groups by 3, are selected
For the AC blower fans that can only have grade start and stop.When air quantity demand 0-20% scope is mended, the uppermost 3 EC blower fans of fan wall are opened,
Simultaneously 0-100% carries out step-less adjustment, when air quantity demand is mended in 20%～40% scope, uppermost 3 EC blower fans groups after
Continuous 0-100% step-less adjustments of starting from scratch, are now then turned on the 2nd group of AC blower fan, the like, realize as shown in Figure 4
Control effect, realizes the power output of fan wall and mends air quantity being directly proportional linear relationship.
Second embodiment
Referring to Fig. 2 and Fig. 5, as in the first embodiment, 15 blower fans of fan wall are divided into into 5 groups, difference is this
It is secondary all using AC blower fans, uppermost 3 blower fans as the 1st group, share a converter carry out step-less adjustment, it is low because avoiding
Frequency the motor feels hot easy burnout problems, the range of accommodation of blower fan are only the air quantity of group blower fan group of 30Hz～50Hz, i.e., first and adjust
Scope is 60～100%, when air quantity demand 0-20% scope is mended, opens the uppermost 3 AC blower fan converters of fan wall
Be adjusted, now fan wall power is in 12%～20% scope step-less adjustment, demand in 20～40% scope, now because of
One group of blower fan can not meet air quantity demand, and need to be then turned on one group has a grade AC blower fans, and now fan wall power is in 32%～40% model
Interior step-less adjustment is enclosed, the like, realize control effect as shown in Figure 5.Can see from this figure, the power output of fan wall
It is not directly proportional linear relationship to air quantity is mended, is a kind of linear relationship of gradin, in the less high occasion of accuracy requirement, can yet be regarded as
It is a kind of to apply very well.
Claims (8)
1. a kind of novel fan wall blower fan combinative structure, is included on fan wall and is arranged side by side some blower fan groups, and blower fan group
Group number can be divided equally quantization, and each blower fan group includes the equal blower fan of number, it is characterised in that an at least blower fan group is capable of achieving
Step-less adjustment, remaining blower fan group are have level to adjust.
2. novel fan wall blower fan combinative structure according to claim 1, it is characterised in that at least wind of a blower fan group
Machine is the EC blower fans that achievable 0-100% power stepless is adjusted, and remaining blower fan group is the AC blower fans of level regulation.
3. novel fan wall composite construction according to claim 2, it is characterised in that the group number of the blower fan group is 5 groups,
Every group of blower fan number is 3, and the blower fan for having 1 group of blower fan group is EC blower fans, and the blower fan of remaining 4 groups of blower fan group is AC blower fans.
4. novel fan wall composite construction according to claim 1, it is characterised in that the blower fan of all blower fan groups is AC
Blower fan, and at least one group blower fan group carries out step-less adjustment using converter.
5. novel fan wall composite construction according to claim 4, it is characterised in that the group number of the blower fan group is 5 groups,
And every group of blower fan number is 3.
6. a kind of novel fan wall blower control method, it is characterised in that any one to such as claim 1-5 using modeling method
Novel fan wall composite construction described in is controlled, and the modeling method includes as follows：
By one overall point of N equal portions, then total amount is accounted for per equal portionsAnd therein one be divided into scalable quantify to 0～
100%, remaining be divided into it is fixed can not change, wherein N be positive integer；
When demand is total amountQuantifiable that decile is carried out into correspondence need satisfaction then；
When demand is in total amountWhen, then directly by a wherein decile of remaining decile meeting, while it is quantifiable that
Decile need to be reduced to 0；
When demand is total amountWhen, then directly adjust and can quantify that decile, and with reference to wherein the one of remaining decile
Decile is meeting；
When there are other demands and being interval the like.
7. novel fan wall blower control method according to claim 6, it is characterised in that control method includes as follows：
5 groups of blower fan groups are arranged side by side on fan wall, every group of blower fan group arranges 3 blower fans, and each fan delivery is identical；
3 blower fans of the 1st group of blower fan group from can 0-100% step-less adjustments EC blower fans, be left 4 groups of blower fan groups, 12 blower fans choosings
With the AC blower fans can only to there is grade start and stop；
When the 0-20% scopes that air quantity demand is total amount are mended, 3 EC blower fans of the 1st group of fan wall are opened, while 0-100% enters
Row step-less adjustment；
When 20%～40% scope of the air quantity demand in total amount is mended, the 1st group of 3 EC blower fan groups continue the 0- that starts from scratch
100% step-less adjustment, is now then turned on the 2nd group of AC blower fan, the like.
8. novel fan wall blower control method according to claim 6, it is characterised in that control method includes as follows：
5 groups of blower fan groups are arranged side by side on fan wall, every group of blower fan group arranges 3 blower fans, and each fan delivery is identical, and sets
All blower fans are put using AC blower fans；
3 AC blower fans of the 1st group of blower fan group share a converter and carry out step-less adjustment；
When the 0-20% scopes that air quantity demand is total amount are mended, 3 AC blower fans for opening the 1st group of fan wall are adjusted with converter
Section；
When 20～40% scope of the demand in total amount, one group of AC blower fan is then turned on reference to the 1st group of blower fan group, the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611208862.9A CN106593920A (en) | 2016-12-23 | 2016-12-23 | Novel fan wall and fan combination structure and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611208862.9A CN106593920A (en) | 2016-12-23 | 2016-12-23 | Novel fan wall and fan combination structure and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106593920A true CN106593920A (en) | 2017-04-26 |
Family
ID=58601449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611208862.9A Pending CN106593920A (en) | 2016-12-23 | 2016-12-23 | Novel fan wall and fan combination structure and control method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN106593920A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332620A (en) * | 2019-05-28 | 2019-10-15 | 广东申菱环境系统股份有限公司 | A kind of control method of air cooled heat pump condensation fan |
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| CN104596054A (en) * | 2014-12-26 | 2015-05-06 | 珠海格力电器股份有限公司 | air conditioning unit fan control method and device |
| US20150177750A1 (en) * | 2013-12-23 | 2015-06-25 | Dell, Inc. | Enhanced fan design, configuration, and control for modular, scalable and expandable, rack-based information handling system |
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| CN206555161U (en) * | 2016-12-23 | 2017-10-13 | 广东申菱环境系统股份有限公司 | A kind of novel fan wall blower fan combining structure |
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2016
- 2016-12-23 CN CN201611208862.9A patent/CN106593920A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201103979Y (en) * | 2007-08-07 | 2008-08-20 | 上海诺地乐通用设备制造有限公司 | Fan wall |
| CN102080894A (en) * | 2011-01-24 | 2011-06-01 | 李静 | Electric air conditioning device for bus |
| CN202690449U (en) * | 2012-07-16 | 2013-01-23 | 重庆大学 | Combined control system of roots blower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110332620A (en) * | 2019-05-28 | 2019-10-15 | 广东申菱环境系统股份有限公司 | A kind of control method of air cooled heat pump condensation fan |
| CN110332620B (en) * | 2019-05-28 | 2021-07-30 | 广东申菱环境系统股份有限公司 | Control method of condensing fan of air-cooled air conditioning unit |
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Application publication date: 20170426 |