CN110274282A - A kind of building common duct smoke evacuation system and its control method - Google Patents
A kind of building common duct smoke evacuation system and its control method Download PDFInfo
- Publication number
- CN110274282A CN110274282A CN201910423004.3A CN201910423004A CN110274282A CN 110274282 A CN110274282 A CN 110274282A CN 201910423004 A CN201910423004 A CN 201910423004A CN 110274282 A CN110274282 A CN 110274282A
- Authority
- CN
- China
- Prior art keywords
- range hood
- heating film
- common duct
- temperature sensor
- control system
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/02—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Ventilation (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
A kind of building common duct smoke evacuation system, including common duct and the range hood for being mounted on each floor, electric heating film is installed on the inner wall of public cigarette, the first temperature sensor for detecting flue soot gas temperature is installed in the inside of common duct, the second temperature sensor for detecting outdoor temperature is installed in roof, it further include having Electric radiant Heating Film control system and master control system, master control system can read the reading of second temperature sensor, the reading for the second temperature sensor that Electric radiant Heating Film control system can read the reading of the first temperature sensor and master control system sends over, and electric heating film can be controlled with outdoor temperature gap according to inside common duct.The present invention has the advantages that the temperature difference that the building common duct smoke evacuation system can change the temperature of soot gas and outdoor environment in flue by control electric heating film, enhances flue hot pressing function, the distribution of flue pressure is promoted, chimney meatus transmitting smoke ability is improved.
Description
Technical field
The present invention relates to a kind of building common ducts, more particularly, to a kind of building common duct smoke evacuation system and its control
Method.
Background technique
Currently, high residential building is more and more, high-storey smoke evacuation mostly uses common flue central exhaust, and house height increases
Add, the resistance in entire smokejack is caused to increase.The outlet of high-rise common duct is generally located at the top of floor, and range hood
The power of offer is limited, causes smoke discharging effect undesirable, cooks peak period, lowrise layer oil smoke can not arranged, or even flue occurs
In oil smoke flow backward phenomenon.Currently, there has been proposed " central purge systems in order to solve the problems, such as that existing kitchen ventilator is discharged fume unsmooth
The concept of system ", the main air blower by being placed on common flue top generates power, and cooperates the cooking-fume exhauster blower of user side
To promote smoke discharging effect.However, not only breaking up the dynamic flat of blower due to easily accumulating fat particles on the blade of the main air blower of roof
Weighing apparatus causes noise to increase, vibration aggravation, but also periodic cleaning is needed to safeguard, maintenance is cumbersome.Also, main air blower is arranged
On common air exhaust passage, the increase of system exhaust resistance will lead to.Especially when number of floor levels is greater than 35 layers, attic main air blower
The negative pressure of generation can not be handed on effectively, the case where leakage pressure occur, and discharging fume on low layer user, it is almost nil to influence, and be caused instead
Energy waste.In conclusion needing to be further improved existing common duct smoke evacuation system.
Summary of the invention
First technical problem to be solved by this invention is that it is public to provide a kind of energy enhancing for above-mentioned state of the art
The hot pressing function of flue, the building common duct smoke evacuation system for improving chimney meatus transmitting smoke ability.
Second technical problem to be solved by this invention is to provide a kind of environment adaptation for above-mentioned state of the art
Property it is strong, can intelligentized control method and the hot pressing function that enables system to generate meet the building common duct smoke evacuation of smoke discharging effect always
The control method of system.
The present invention solves technical solution used by above-mentioned first technical problem are as follows: building common duct smoke evacuation system
System, the range hood including being mounted on different floors, the air outlet of every range hood pass through respective smoke pipe and public cigarette
Road is connected, it is characterised in that: is equipped with electric heating film on the inner wall of the common duct, installs in the inside of common duct
Have the first temperature sensor for detecting flue soot gas temperature, roof be equipped with for detect outdoor temperature second
Temperature sensor further includes having Electric radiant Heating Film control system and master control system, and the master control system can read described second
The reading of temperature sensor, the Electric radiant Heating Film control system can read the reading and master control system of the first temperature sensor
The reading of the second temperature sensor sended over, and can be according to being controlled inside common duct with outdoor temperature gap
Electric heating film.
Common duct heating efficiency and energy saving in order to balance, correspond to the position of each floor in the common duct
Be mounted on the electric heating film and the first temperature sensor, every layer of electric heating film be corresponding with one described in the first temperature
Sensor.
Preferably, first temperature sensor is set to the top of corresponding electric heating film.
Preferably, the Electric radiant Heating Film control system is mounted on the outer wall of the common duct, the master control system peace
Mounted in roof.
It can be communicated in several ways between Electric radiant Heating Film control system and master control system, it is preferable that the electricity
Hotting mask control system and master control system are realized by radio transmitting device to be wirelessly communicated.
The present invention solves technical solution used by above-mentioned second technical problem are as follows: the building common duct smoke evacuation system
Control method include the following steps:
1., start, central processing system booting；
2., setting system where floor total number of floor levels, be defined as N；
3., define i, initial value 1, i stores the address of every Stall range hood under the system, define S, initial value 0,
The total quantity of range hood booting work in S stocking system；
4., i-th of (i.e. i-th layer) range hood of detection whether be switched on operation, if it is judged that be it is no, then to i progress
Add 1, continue to judge whether i is more than or equal to N later, if it is judged that be it is yes, then illustrate system do not have range hood booting fortune
Row, EP (end of program)；If i is less than N, program returns to whether i-th layer of range hood of detection is switched on operation, and i has been directed at this time
Next floor range hood；
If 5., step 4. in detect the booting operation of i-th layer of range hood, system is carried out to S plus 1, i also adds 1；
6., judge whether S is greater than 0.2N, if invalid, illustrate that the Homes Using TV of system range hood less than 20%, is
System is not run；I-th of range hood is continued to test whether to be switched on operation；
If 7., step 6. in S ﹥ 0.2N set up, illustrate system range hood Homes Using TV be greater than 20%, system operation mark
Will reaches；
8., define a M again, M equally stores the address of range hood, and the initial value for defining M is 1, system detection
Whether M layers of range hood are switched on operation, if it is not, being assigned to M after then M adds 1, M is directed toward next layer of range hood at this time, continues to examine
Survey whether M layers of range hood are opened；
If 9., step 8. in detect the booting operation of M layers of range hood, open M+1 layers of electric heating film；
10., read M+1 layer of the first temperature sensor reading, be defined as Tp in system, meanwhile, system reading system chambers
The reading of the second temperature sensor of outer roof, is defined as T0；
Whether system-computed Tp is more than or equal to whether 80 DEG C or Tp-T0 be more than or equal to 40, if the judgment is No, then
System carries out M to add 1, and system returns to whether M layers of kitchen ventilator of detection are switched on；
If stepIn be judged as YES, then close M+1 layers of electric heating film；
Judge whether M is more than or equal to N, if the judgment is No, then continues to add M 1, whether M layers of kitchen ventilator of detection are beaten
It opens；
If stepIn be judged as YES, then EP (end of program).
Compared with the prior art, the advantages of the present invention are as follows: the building common duct smoke evacuation system can be by detecting cigarette
The electric heating film inside flue is controlled with the temperature difference outside roof room inside road, to change the temperature of soot gas in flue
With the temperature difference of outdoor environment temperature, enhance the hot pressing function of flue, promotes pressure distribution and the stack effect of flue, improve cigarette
The smoke evacuation ability in road, solve the problems, such as culinary art peak when discharge fume it is unsmooth, return cigarette alter taste.In addition, the control of the chimney meatus transmitting smoke system
Method is able to achieve intelligent control, and environmental suitability is strong, and the hot pressing function that can ensure that system generates can meet smoke discharging effect always, and
It can ensure that flue interior oil smoke temperature degree does not overheat, guarantee security of system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the basic principle schematic of the embodiment of the present invention；
Fig. 3 is the system principle diagram of the embodiment of the present invention；
Fig. 4 is the control logic figure of the control method of the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figure 1, the building common duct smoke evacuation system of the present embodiment, the range hood including being mounted on different floors
1, the air outlet of every range hood 1 passes through respective smoke pipe 2 and is connected with common duct 3, is equipped in the outlet of smoke pipe 2
Fire resisting damper 10, this is the prior art, not specifically expansion description.
In the present embodiment, electric heating film 4 is installed in common duct 3 and for detecting flue corresponding position soot gas
First temperature sensor 5 of temperature.Specifically, electric heating film 4 is attached on the inner wall of common duct 3, corresponding in common duct
It is mounted on electric heating film 4 and the first temperature sensor 5 in the position of each floor, every layer of electric heating film 4 is corresponding with one
First temperature sensor 5, and the first temperature sensor 5 is set to the top of corresponding electric heating film 4.On the outer wall of common duct 3
Electric radiant Heating Film control system 7 is installed, Electric radiant Heating Film control system 7 is used to control electric heating film 4, can according to need and open some floor
Or the corresponding electric heating film 4 of certain several floor.
Roof is equipped with second temperature sensor 6 and master control system 8.Second temperature sensor 6 is used to measure roof room
Outer temperature, master control system 8 can read the reading of second temperature sensor 6, and 8 energy reading of master control system passes through wirelessly
Transmitting device 9 is transferred to Electric radiant Heating Film control system 7, and Electric radiant Heating Film control system 7 is counted in conjunction with the reading of the first temperature sensor 5
Temperature difference inside flue and outdoor is calculated, and controls electric heating film 4 in turn, to change the temperature of soot gas and room in flue
The temperature difference of external environment temperature enhances the hot pressing function of flue, promotes the pressure distribution of flue, improves the smoke evacuation ability of flue.
The principle and stack effect of flue hot pressing function is utilized in the common duct smoke evacuation system of the present embodiment.
For hot pressing function, it is described as follows:
As illustrated in fig. 2, it is assumed that 3 first layer room pressure of common flue is P1, the pressure in corresponding flue is P1 ', flue
Outlet pressure is P2, and the outer atmospheric pressure of flue is P2 '.Two differences in height are H.Room air density is ρ, gas in flue
Density be ρ 1.
Gas always flows to low-pressure area from higher-pressure region, and the pressure in atmosphere is related with height above sea level, and height above sea level is higher, greatly
Atmospheric pressure is smaller.And under different temperature environments, two position pressure differences between identical difference in height as density not
It is same and different.It can column expression formula by hot pressing principle:
△ P2=P2 '-P2=(P1 '-gh ρ 1)-(P1-gh ρ)=△ P1+gh (ρ-ρ 1)
By upper expression formula it is found that the necessary condition that hot pressing function generates is the difference in height and indoor and outdoor of air import and export
Atmospheric density is poor, and atmospheric density is closed with temperature T-phase.Indoor and outdoor temperature difference is bigger, and density contrast is bigger, and hot pressing function is brighter
It is aobvious.
For stack effect, be described as follows: indoor air ramps up or declines along vertical bank space, and air is caused to add
The phenomenon that strong convection.And between floors, air is acted on against density contrast (hot pressing is poor), spreads discharge building quickly along channel
The phenomenon that object referred to as stack effect.
As shown in figure 3, the control method of the present embodiment is divided into data acquisition unit, CPU and execution unit, data acquisition is single
Member carries out the internal and external temperature of the detection of each floor range hood switch state and acquisition common duct, CPU to the data of acquisition into
Row calculation process, execution unit drive corresponding electric heating film under the control of cpu.
As shown in figure 4, the control method of the building common duct smoke evacuation system of the present embodiment specifically comprises the following steps:
1., start, central processing system booting；
2., setting system where floor total number of floor levels, be defined as N；
3., define i, initial value 1, i stores the address of every Stall range hood under the system, define S, initial value 0,
The total quantity of range hood booting work in S stocking system；
4., i-th of (i.e. i-th layer) range hood of detection whether be switched on operation, if it is judged that be it is no, then to i progress
Add 1, continue to judge whether i is more than or equal to N later, if it is judged that be it is yes, then illustrate system do not have range hood booting fortune
Row, EP (end of program)；If i is less than N, program returns to whether i-th layer of range hood of detection is switched on operation, and i has been directed at this time
Next floor range hood；
If 5., step 4. in detect the booting operation of i-th layer of range hood, system is carried out to S plus 1, i also adds 1；
6., judge whether S is greater than 0.2N, if invalid, illustrate that the Homes Using TV of system range hood less than 20%, is
System is not run；I-th of range hood is continued to test whether to be switched on operation；
If 7., step 6. in S ﹥ 0.2N set up, illustrate system range hood Homes Using TV be greater than 20%, system operation mark
Will reaches；
8., define a M again, M equally stores the address of range hood, and the initial value for defining M is 1, system detection
Whether M layers of range hood are switched on operation, if it is not, being assigned to M after then M adds 1, M is directed toward next layer of range hood at this time, continues to examine
Survey whether M layers of range hood are opened；
If 9., step 8. in detect the booting operation of M layers of range hood, open M+1 layers of electric heating film；
10., read M+1 layer of the first temperature sensor reading, be defined as Tp in system, meanwhile, system reading system chambers
The reading of the second temperature sensor of outer roof, is defined as T0；
Whether system-computed Tp is more than or equal to whether 80 DEG C or Tp-T0 be more than or equal to 40, if the judgment is No, then
System carries out M to add 1, and system returns to whether M layers of kitchen ventilator of detection are switched on；
If stepIn be judged as YES, then close M+1 layers of electric heating film；
Judge whether M is more than or equal to N, if the judgment is No, then continues to add M 1, whether M layers of kitchen ventilator of detection are beaten
It opens；
If stepIn be judged as YES, then EP (end of program).
Claims (6)
1. a kind of building common duct smoke evacuation system, the range hood (1) including being mounted on different floors, every range hood
(1) air outlet passes through respective smoke pipe (2) and is connected with common duct (3), it is characterised in that: in the common duct
(3) electric heating film (4) are installed on inner wall, are equipped in the inside of common duct (3) for detecting flue cooking fume body temperature
The first temperature sensor (5) of degree, is equipped with the second temperature sensor (6) for detecting outdoor temperature in roof, further includes
There are Electric radiant Heating Film control system (7) and master control system (8), the master control system (8) can read the second temperature sensing
The reading of device (6), the Electric radiant Heating Film control system (7) can read reading and the main control system of the first temperature sensor (5)
The reading for the second temperature sensor (6) that system (8) sends over, and can be according to the internal temperature difference with outdoor of common duct (3)
Value controls the electric heating film (4).
2. building common duct smoke evacuation system according to claim 1, it is characterised in that: in the common duct (3)
Position corresponding to each floor is mounted on the electric heating film (4) and the first temperature sensor (5), every layer of electric heating
Film (4) be corresponding with one described in the first temperature sensor (5).
3. building common duct smoke evacuation system according to claim 2, it is characterised in that: first temperature sensor
(5) it is set to the top of corresponding electric heating film (4).
4. building common duct smoke evacuation system according to claim 1, it is characterised in that: the Electric radiant Heating Film control system
(7) it is mounted on the outer wall of the common duct (3), the master control system (8) is mounted on roof.
5. building common duct smoke evacuation system according to claim 1, it is characterised in that: the Electric radiant Heating Film control system
(7) it is realized and is wirelessly communicated by radio transmitting device (9) with master control system (8).
6. a kind of control method of building common duct smoke evacuation system according to claim 2, it is characterised in that including as follows
Step:
1., start, central processing system booting；
2., setting system where floor total number of floor levels, be defined as N；
3., define i, initial value 1, i stores the address of every Stall range hood under the system, defines S, initial value 0, S storage
The total quantity of range hood booting work in deposit system；
4., i-th of (i.e. i-th layer) range hood of detection whether be switched on operation, if it is judged that be it is no, then i is carried out adding 1,
Continue to judge whether i is more than or equal to N later, if it is judged that be it is yes, then illustrate system do not have range hood booting operation, journey
Sequence terminates；If i is less than N, program returns to whether i-th layer of range hood of detection is switched on operation, and i has been directed to lower Stall at this time
Layer range hood；
If 5., step 4. in detect the booting operation of i-th layer of range hood, system is carried out to S plus 1, i also adds 1；
6., judge whether S is greater than 0.2N, if invalid, illustrate the Homes Using TV of system range hood less than 20%, system is not
Operation；I-th of range hood is continued to test whether to be switched on operation；
If 7., step 6. in S ﹥ 0.2N set up, illustrate system range hood Homes Using TV be greater than 20%, system operation mark reach
It arrives；
8., define a M again, M equally stores the address of range hood, and the initial value for defining M is 1, M layers of system detection
Whether range hood is switched on operation, if it is not, being assigned to M after then M adds 1, M is directed toward next layer of range hood at this time, continues to test M
Whether layer range hood is opened；
If 9., step 8. in detect the booting operation of M layers of range hood, open M+1 layers of electric heating film；
10., read M+1 layer of the first temperature sensor reading, be defined as Tp in system, meanwhile, system reads system chambers building outside
The reading of the second temperature sensor on top, is defined as T0；
Whether system-computed Tp is more than or equal to whether 80 DEG C or Tp-T0 be more than or equal to 40, if the judgment is No, then system
M is carried out to add 1, system returns to whether M layers of kitchen ventilator of detection are switched on；
If stepIn be judged as YES, then close M+1 layers of electric heating film；
Judge whether M is more than or equal to N, if the judgment is No, then continues to add M 1, whether M layers of kitchen ventilator of detection are opened；
If stepIn be judged as YES, then EP (end of program).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423004.3A CN110274282B (en) | 2019-05-21 | 2019-05-21 | Building public flue smoke exhaust system and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423004.3A CN110274282B (en) | 2019-05-21 | 2019-05-21 | Building public flue smoke exhaust system and control method thereof |
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| Publication Number | Publication Date |
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| CN110274282A true CN110274282A (en) | 2019-09-24 |
| CN110274282B CN110274282B (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910423004.3A Active CN110274282B (en) | 2019-05-21 | 2019-05-21 | Building public flue smoke exhaust system and control method thereof |
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| CN111189083A (en) * | 2020-01-03 | 2020-05-22 | 宁波方太厨具有限公司 | Building type public flue system and sealing performance detection method thereof |
| CN112484116A (en) * | 2020-11-23 | 2021-03-12 | 宁波方太厨具有限公司 | Operation control method of building centralized smoke exhaust system |
| CN112524664A (en) * | 2020-11-19 | 2021-03-19 | 华帝股份有限公司 | Air volume control method and system for central flue system |
| CN113605636A (en) * | 2021-07-20 | 2021-11-05 | 安徽安德建筑设计有限公司 | Vertical fire prevention exhaust passage system of housing construction |
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| CN113605636A (en) * | 2021-07-20 | 2021-11-05 | 安徽安德建筑设计有限公司 | Vertical fire prevention exhaust passage system of housing construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110274282B (en) | 2020-09-29 |
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