CN106996585B - A kind of constant static-pressure energy-saving self-controlling system for concentrating exhaust system for oil smoke - Google Patents
A kind of constant static-pressure energy-saving self-controlling system for concentrating exhaust system for oil smoke Download PDFInfo
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- CN106996585B CN106996585B CN201710171050.XA CN201710171050A CN106996585B CN 106996585 B CN106996585 B CN 106996585B CN 201710171050 A CN201710171050 A CN 201710171050A CN 106996585 B CN106996585 B CN 106996585B
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- pressure
- frequency
- memory
- comparator
- oil smoke
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
-
- 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
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2035—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/301—Pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a kind of constant static-pressure energy-saving self-controlling systems that exhaust system is concentrated for oil smoke, it include: oil smoke pressure sensor, position sensor, frequency-variable controller and data analyze memory, oil smoke pressure sensor is arranged in total pipeline, the number of smoke exhaust ventilator where position sensor is used to record it, frequency-variable controller is used to control the frequency of fan operation, data are analyzed memory and are constituted by analysis comparator and with the memory of the analysis comparator data interaction, the pressure absolute value of pressure signal is compared by analysis comparator with preset minimum sub-atmospheric pressure static pressure, the frequency instruction sent to frequency-variable controller is calculated, and it will be in the number that received combination and corresponding frequency instruction stored into memory.The present invention controls the operation of blower automatic frequency-conversion using the pressure change in pipeline, has two kinds of control models, control precision height, long service life.
Description
Technical field
The present invention relates to a kind of constant static-pressure energy-saving self-controlling systems that exhaust system is concentrated for oil smoke.
Background technique
For the Commercial Complex building continued to bring out in urban renewal and modernization construction, blower is set to food and drink
Oil smoke carry out concentrate discharge play the role of it is very important.For commercial building, concentrate blower setting be usually according to
All users all run simultaneously needed for maximum oil smoke discharge amount also needing to open when being arranged, but running certain customers and
The high-power operation of blower is concentrated, this is clearly a kind of wasting of resources.
Occur applying in the prior art and has concentrated the fan frequency conversion technology in exhaust system, but usual controlling party in oil smoke
Formula is complicated, needs to calculate the single demand air quantity of each user, it is also necessary to be acquired to pipeline air quantity, control process is complicated, smart
Spend low, the adaptive ability of control system is poor, once collector breaks down, whole system paralysis is unable to run, service life
It is short.
Summary of the invention
In order to solve drawbacks described above existing in the prior art, the present invention proposes a kind of to concentrate exhaust system for oil smoke
Constant static-pressure energy-saving self-controlling system, the constant static-pressure energy-saving self-controlling system control blower automatic frequency-conversion using the pressure change in pipeline
Operation is quick on the draw, controls precision height, and robot control system(RCS) has two kinds of control models, long service life.
The technical solution adopted by the present invention is that designing a kind of constant static-pressure energy-saving self-controlling system for concentrating exhaust system for oil smoke
System, it includes the lateral being connected to the oil smoke petticoat pipe of each smoke exhaust ventilator, by all laterals that oil smoke, which concentrates exhaust system,
Total pipeline, the purifying processor in total pipeline and the blower being arranged in after purifying processor that oil smoke pools together.
Wherein, constant static-pressure energy-saving self-controlling system includes:
Oil smoke pressure sensor is arranged in total pipeline, for detecting the pressure signal in total pipeline；
Position sensor, each smoke exhaust ventilator are equipped with a position sensor, and position sensor is for recording its place
The number of smoke exhaust ventilator, position sensor is sent out number when the motor start-up of smoke exhaust ventilator；
Frequency-variable controller is connect with blower, for controlling the frequency of fan operation；
Data analyze memory, constitute by analysis comparator and with the memory of the analysis comparator data interaction, institute
State analysis comparator in be preset with minimum sub-atmospheric pressure static pressure, oil smoke pressure sensor described in real-time reception transmitting pressure signal and
The number of position sensor transmitting, the pressure absolute value of pressure signal is compared with preset minimum sub-atmospheric pressure static pressure, is counted
The frequency instruction for obtaining and sending to frequency-variable controller is calculated, and the number received combination and corresponding frequency instruction are stored into depositing
In reservoir.
Preferably, analysis comparator is also connected with a manual input module, the changeable analysis comparator of manual input module
Two kinds of frequency acquisition modes, two kinds of frequency acquisition modes be respectively pass through pressure signal comparing calculation frequency instruction and pass through
The number received combines the reading frequency out of memory and instructs.
Preferably, data analysis memory further includes adaptive comparator and suggestion device, and adaptive comparator is for sentencing
Whether the number statistical information in disconnected memory is completed, and triggers suggestion device and issue standby signal.
In the first embodiment, in adaptive comparator preset numbers combine estimate total magnitude, memory is united in real time
It counts the number number of combinations stored in it and forms record quantitative value；Adaptive comparator reads record quantitative value and estimates total quantity
Value is compared, and judges whether the number statistical information in memory is completed.
In a second embodiment, all numbers of estimating are preset in adaptive comparator to combine, adaptive comparator is read
The number combination of all storages in memory is combined and is compared with estimating to number, and judges that the number statistical information in memory is
No completion.
First, second embodiment is suitable for the less robot control system(RCS) of sharing system amount.
In the third embodiment, when the runing time of robot control system(RCS) was no less than for four seasons, manual input module can be cut
The frequency acquisition mode for changing analysis comparator makes analysis comparator pass through the number received and combines the reading frequency out of memory
Instruction, all numbers combination of the runing time built-in storage storage before being switched with manual input module and corresponding frequency refer to
Enabling is statistical data, analyzes in comparator and is preset with blower maximum frequency, when the number received combines not in statistical data
When appearance, executed according to blower maximum frequency.
3rd embodiment is suitable for the more robot control system(RCS) of sharing system amount.
Preferably, oil smoke pressure sensor uses diaphragm-type minute-pressure pressure sensor.
Preferably, oil smoke pressure sensor is set to the least favorable point of total pipeline.
According to existing technical data and traditional method, 1/3 length of total pipeline end is arranged in oil smoke pressure sensor
It spends at position, but the influence of inhomogeneities and user's oil smoke cover from translator pressure head due to air channel volume, specific static pressure
Control point position should be measured selection according to the actual conditions of pipeline laying.
Preferably, the switch valve for controlling its on-off, the smoke pumping of switch valve and lateral end are equipped in lateral
Machine interlock switch.When the motor start-up of smoke exhaust ventilator, switch valve is opened, and when the motor of smoke exhaust ventilator is closed, switch valve is closed
It is disconnected.
Compared with prior art, the present invention has following advantages:
1, blower can be allowed to adapt to the variation of exhaust air rate demand, the knot of robot control system(RCS) automatically according to the variation of pipeline pressure
Structure is simple and control precision is high；
2, it only concentrates exhaust system to increase a set of automatic control system to original oil smoke, not will cause cost too
Big to influence, system is applicable to the reducing energy consumption that existing oil smoke concentrates exhaust system, is equally applicable to newly-built oil smoke and concentrates row
Place system；
3, data analysis memory has memory function, can be changed according to pipeline pressure and calculate frequency instruction, or according to volume
Number combination reading frequency instruction, robot control system(RCS) can flexibly switch two kinds of control models, and service life is longer.
Detailed description of the invention
Below with reference to embodiment and attached drawing, the present invention is described in detail, in which:
Fig. 1 is the connection schematic diagram of constant static-pressure energy-saving self-controlling system in the present invention.
Specific embodiment
As shown in Figure 1, constant static-pressure energy-saving self-controlling system proposed by the present invention, comprising: oil smoke pressure sensor 1, position pass
Sensor 2, data analyze memory 3 and frequency-variable controller 4 etc..The constant static-pressure energy-saving self-controlling system can be loaded in traditional oil smoke collection
On middle exhaust system, it includes lateral, total pipeline, purifying processor and blower 5 that oil smoke, which concentrates exhaust system, lateral with
The oil smoke petticoat pipe 6 of each smoke exhaust ventilator is connected to, and the oil smoke of all laterals collects in total pipeline, purifying processor and blower 5
Be installed in total pipeline, blower 5 is located at purifying processor rear, oil smoke by successively after purifying processor and blower from
Total pipeline discharge.
Wherein, oil smoke pressure sensor 1 is arranged in total pipeline, is detected in total pipeline by oil smoke pressure sensor 1
Pressure signal, oil smoke pressure sensor 1 use diaphragm-type minute-pressure pressure sensor, the pressure sensor measuring head without tracting pressuring hole,
The case where there is no viscous medium blockings in measurement process, and there is minute-pressure pressure sensitive chip, it is suitable for faint pressure measurement
With control.In order to improve measurement accuracy, oil smoke pressure sensor 1 needs to be arranged in the least favorable point of total pipeline, according to existing
Technical data and traditional method, oil smoke pressure sensor 1 are arranged at 1/3 extension position of total pipeline end, but due to wind
For the inhomogeneities and user's oil smoke cover of road air quantity from the influence of translator pressure head, specific Static prestressed-pile point position should be according to pipe
The actual conditions of road laying are measured selection.
All smoke exhaust ventilators in robot control system(RCS) are numbered in advance, each smoke exhaust ventilator is equipped with a position sensing
Device 2, the number of smoke exhaust ventilator where the record of position sensor 2 has it, and position sensor 2 are electronic with smoke exhaust ventilator where it
Machine interlock switch, when the motor start-up of smoke exhaust ventilator, position sensor 2 sends the volume of record to data analysis memory 3
Number, so that data analysis memory 3 counts.Preferably, it is equipped with switch valve in lateral, lateral is controlled by switch valve
On-off, the smoke exhaust ventilator interlock switch that switch valve is connect with the lateral, when the motor start-up of smoke exhaust ventilator, switch
Valve is opened, and when the motor of smoke exhaust ventilator is closed, switchs valve breakdown.
Frequency-variable controller 4 is connect with blower, analyzes the frequency instruction of memory 3 for receiving data, and is referred to according to frequency
Enable the frequency of adjustment fan operation.
Data analysis memory 3 is made of analysis comparator and memory, and analyzing can carry out between comparator and memory
Data interaction.Minimum sub-atmospheric pressure static pressure is preset in analysis comparator, the pressure letter that real-time reception oil smoke pressure sensor 1 transmits
Number and position sensor 2 transmit number, the pressure absolute value of pressure signal and preset minimum sub-atmospheric pressure static pressure are compared
Compared with, be calculated to frequency-variable controller 4 send frequency instruction.Most important, the same of frequency is being calculated in analysis comparator
When, the number that fume exhaust cover is come into operation combines in storage stored in memory corresponding with the frequency instruction of fan operation, compiles
It is one group that number combination, which is that each frequency calculates number received by time-division analysis comparator and incorporate into, when with post analysis comparator again
When the secondary number received combines corresponding with a certain combination in memory, analysis comparator can directly read corresponding frequency
Frequency-variable controller is instructed and be sent to, the pressure difference signal of inductive pressure transducer is no longer needed to.
In the present embodiment, it analyzes in comparator and is preset with blower original frequency, when pressure absolute value is equal to minimum sub-atmospheric pressure
Blower 5 reduces blower frequency when pressure absolute value is higher than minimum sub-atmospheric pressure static pressure with the operation of blower original frequency when static pressure
The frequency instruction sent to frequency-variable controller 4 is calculated in operation, increases when pressure absolute value is lower than minimum sub-atmospheric pressure static pressure
The operation of blower frequency, is calculated the frequency instruction sent to frequency-variable controller 4, the specific calculating process for analyzing comparator can root
According to the difference of pressure, plus-minus calculating is carried out on the basis of blower original frequency according to a certain percentage.
Analysis comparator is also connected with a manual input module, two kinds of frequencies of the changeable analysis comparator of manual input module
Rate acquisition modes, both frequency acquisition modes are respectively: analysis comparator by pressure signal comparing calculation frequency instruction and
The number received that analysis comparator passes through combines the reading frequency out of memory and instructs.Preferably, data analysis memory 3 is gone back
What including adaptive comparator and suggestion device, in adaptive comparator, preset numbers were combined estimates total magnitude, and memory is real
Its interior number number of combinations stored of Shi Tongji forms record quantitative value, and adaptive comparator, which is read, to be recorded quantitative value and estimate total
Quantitative value is compared, and judges whether the interior number statistical information of memory is completed, and when record quantitative value and estimates total magnitude phase
Meanwhile suggestion device issues standby signal, the number statistical information of current storage is completed.Certainly, adaptive comparator can
To judge according to the specific integrated mode for numbering combination, such as all numbers of estimating are preset in adaptive comparator and are combined,
Adaptive comparator reads the number combinations of all storages in memory and is compared with estimating number and combine, when the two appearance is poor
Different time then indicates there is the number combination not yet counted in memory, and the number statistics of memory is then indicated when the two is identical
Information is completed.
When the sharing system user of robot control system(RCS) is more, memory can also be judged with the runing time of robot control system(RCS)
Number statistical information whether complete.For example, when the runing time of robot control system(RCS) was no less than for four seasons, manual input module
The frequency acquisition mode of changeable analysis comparator makes analysis comparator pass through the number combination received and reads out of memory
Frequency instruction, all numbers combination of the runing time built-in storage storage before being switched with manual input module and corresponding frequency
Rate instruction is statistical data, analyzes in comparator and is preset with blower maximum frequency, when the number received combines not in statistical number
According to it is interior occur when, according to blower maximum frequency execute.
There are three kinds of control situations in the use process of robot control system(RCS):
1, before the completion of number statistical information, fan frequency conversion operation is controlled by pressure real-time detection；
2, number statistical information completion after, can by manual input module select by pressure real-time detection or according to
Adaptive by number statistical information and frequency controls；
3, after the completion of number statistical information, after breaking down such as pressure sensing detection, selection is by number statistics letter
Breath is adaptively controlled with frequency.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of constant static-pressure energy-saving self-controlling system for concentrating exhaust system for oil smoke, the oil smoke concentrate exhaust system include with
The lateral of the oil smoke petticoat pipe connection of each smoke exhaust ventilator, by total pipeline that the oil smoke of all laterals pools together, set
Blower in the purifying processor in the total pipeline and after the purifying processor is set；
It is characterized in that, the constant static-pressure energy-saving self-controlling system includes:
Oil smoke pressure sensor is arranged in total pipeline, for detecting the pressure signal in total pipeline；
Position sensor, each smoke exhaust ventilator are equipped with a position sensor, and the position sensor is for recording its place
The number of smoke exhaust ventilator, position sensor is sent out number when the motor start-up of the smoke exhaust ventilator；
Frequency-variable controller is connect with the blower, for controlling the frequency of fan operation；
Data analyze memory, constitute by analysis comparator and with the memory of the analysis comparator data interaction, described point
It is preset with minimum sub-atmospheric pressure static pressure in analysis comparator, the pressure signal of the transmitting of oil smoke pressure sensor described in real-time reception and position
The pressure absolute value of pressure signal is compared with preset minimum sub-atmospheric pressure static pressure, calculates by the number of sensor passes
The frequency instruction sent out to frequency-variable controller, and combine the number received and corresponding frequency instruction stored into memory
In；
The analysis comparator is also connected with a manual input module, and the analysis comparator can be switched in the manual input module
Two kinds of frequency acquisition modes, which is respectively to pass through pressure signal comparing calculation frequency instruction and logical
It crosses the number received and combines the reading frequency instruction out of memory.
2. constant static-pressure energy-saving self-controlling system as described in claim 1, which is characterized in that the data analyze memory and further include
Adaptive comparator and suggestion device, the adaptive comparator is for judging whether the number statistical information in memory is complete
At, if the number statistical information in the memory is completed, trigger suggestion device issue standby signal.
3. constant static-pressure energy-saving self-controlling system as claimed in claim 2, which is characterized in that preset and compile in the adaptive comparator
Total magnitude is estimated in number combination, and number number of combinations that the memory real-time statistics store in it forms record quantitative value；
The adaptive comparator reads record quantitative value and is compared with total magnitude is estimated, and judges the number system in the memory
Whether meter information is completed.
4. constant static-pressure energy-saving self-controlling system as claimed in claim 2, which is characterized in that preset institute in the adaptive comparator
Some estimates number combination, and the number combination that the adaptive comparator reads all storages in memory is combined with number is estimated
It is compared, judges whether the number statistical information in the memory is completed.
5. constant static-pressure energy-saving self-controlling system as claimed in claim 2, which is characterized in that when the runing time of robot control system(RCS) is many
When four seasons, the frequency acquisition mode of the changeable analysis comparator of manual input module makes analysis comparator pass through reception
The number arrived combines the reading frequency out of memory and instructs, the runing time built-in storage storage before being switched with manual input module
All numbers combination deposited and corresponding frequency instruction are statistical data, analyze in comparator and are preset with blower maximum frequency, when
When the number combination received does not occur in statistical data, executed according to blower maximum frequency.
6. such as constant static-pressure energy-saving self-controlling system described in any one of claim 1 to 5, which is characterized in that the oil smoke pressure passes
Sensor is arranged at 1/3 extension position of the total pipeline end.
7. such as constant static-pressure energy-saving self-controlling system described in any one of claim 1 to 5, which is characterized in that the oil smoke pressure passes
Sensor uses diaphragm-type minute-pressure pressure sensor.
8. constant static-pressure energy-saving self-controlling system as described in claim 1, which is characterized in that be equipped in the lateral and control it
The switch valve of on-off, the smoke exhaust ventilator interlock switch of the switch valve and the lateral end；The electricity of the smoke exhaust ventilator
When motivation starts, the switch valve is opened, when the motor of the smoke exhaust ventilator is closed, the switch valve breakdown.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710171050.XA CN106996585B (en) | 2017-03-21 | 2017-03-21 | A kind of constant static-pressure energy-saving self-controlling system for concentrating exhaust system for oil smoke |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710171050.XA CN106996585B (en) | 2017-03-21 | 2017-03-21 | A kind of constant static-pressure energy-saving self-controlling system for concentrating exhaust system for oil smoke |
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| CN106996585A CN106996585A (en) | 2017-08-01 |
| CN106996585B true CN106996585B (en) | 2019-08-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109099497A (en) * | 2018-11-09 | 2018-12-28 | 杭州老板电器股份有限公司 | Kitchen ventilator automatic pressure-transforming device, method and kitchen ventilator |
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| CN1566823A (en) * | 2003-07-01 | 2005-01-19 | 曾令义 | Automatic building flue gas integrated discharging and purifying treatment system |
| DE102007011634A1 (en) * | 2007-03-09 | 2008-09-11 | Berbel Ablufttechnik Gmbh | Exhaust system, particularly for canteen kitchen and convenience restaurant, has two separate haul-off equipments, which is conducted over appropriate conduiting exhaust air in common accumulative pipe |
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