CN100400973C - Heating system and method for conducting up heat to down portion during winter season for big-space building - Google Patents
Heating system and method for conducting up heat to down portion during winter season for big-space building Download PDFInfo
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- CN100400973C CN100400973C CNB200510044052XA CN200510044052A CN100400973C CN 100400973 C CN100400973 C CN 100400973C CN B200510044052X A CNB200510044052X A CN B200510044052XA CN 200510044052 A CN200510044052 A CN 200510044052A CN 100400973 C CN100400973 C CN 100400973C
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Abstract
The present invention discloses a heating system and a heating method for conveying upper part heat downwards in winter for a large space building. The present invention solves the problem that heating effect is not good in winter in the existing large space buildings. The present invention has the advantages of simple structure, convenient use, high thermal efficiency, effective enhancement of indoor stability, avoidance of cold wind, etc. The present invention has a structure that the heating system comprises at least one wind changing equipment arranged at the top of the building, a heat source, etc. The wind changing equipment is connected with a micro positive pressure controlling system through a wind volume regulating device, and cold wind sent into a chamber by the wind changing equipment is mixed with the air in a high temperature area at the upper part of a cold wind chamber. The micro positive pressure system is used for controlling the wind changing equipment to send cold wind in the chamber, and thus, after the cold wind is thoroughly mixed with hot air in the high temperature area at the upper part in the chamber, the heating system moves downwards, the pressure in the chamber is greater than that outside the chamber, and a micro positive pressure environment is formed to prevent the cold wind from entering and enhances the heating effect.
Description
Technical field
The present invention relates to a kind of winter heating system and method thereof, relate in particular to heating system and the method thereof sent under the heat of a kind of volumed space building top in winter.
Background technology
A main difficult problem of running in volumed space building heating design is that upper temp is higher at present, and temperature of lower is on the low side, and heating thermic load majority has all concentrated on top, room, and by meaningless the losing of the enclosed structure on top.Concerning the large space industrial building, also often there are a large amount of cold wind to enter simultaneously, make the workspace, bottom produce the sense of blowing a cold wind over very doughtily with the bottom, room.In this case, also be difficult to reach heating effect well even drop into more heating heat.
Design and scientific research personnel have attempted the problem that a lot of methods change volumed space building upper heat and lower cold in winter for many years.As radiant heating, establish the horizontal air curtain and intercept thermal current and rise, make the workspace be in the recirculating zone; What also have establishes blower fan and airduct from the air draught of top, room, to workspace air-supply or the like.All these methods have all improved the heating effect to a certain extent, but can't reach satisfactory degree.The problem of its existence can not all be improved for 1. whole workspace temperature.2. can't reduce the bottom sense of blowing a cold wind over.3. can not make full use of the heat on top, room, reduce meaningless heat loss, reduce heating load simultaneously.
Summary of the invention
The present invention is exactly in order to solve the bad problem of present large space building winter heating effect, provide a kind of have simple in structure, easy to use, utilize waste heat, workspace, bottom, room temperature stabilization, heating system and the method thereof sent under volumed space building top in the winter heat of the advantages such as sense of not blowing a cold wind over.
For achieving the above object, the present invention has adopted following technical scheme: send heating system under the heat of a kind of volumed space building top in winter, it comprises at least one ventilation equipment that is installed in top of building, on the described ventilation equipment airflow distribution device is installed, ventilation equipment are connected with the pressure-fired control system by volume adjusting apparatus, the pressure-fired control system comprises at least two differential pressure pickups, they be installed in indoor bottom air port and or external door near, be used to detect the variation of bottom indoor and outdoor pressure reduction; Each differential pressure pickup is connected with microcomputer controller, and microcomputer controller then is connected with volume adjusting apparatus; Ventilation equipment are sent into indoor cold wind by in the top of building inlet chamber, and mix with room air in the high-temperature region on top, room, make indoor bottom keep small malleation.
Described ventilation equipment are the blower fan that is installed in the roof.
Described ventilation equipment are at least one air outlet that is positioned at middle part, roof or roof one side, and air outlet is connected with blower fan through airduct.
Described ventilation equipment can be sent into indoor ventilation equipment by outdoor with cold wind for other.
Described airflow distribution device is an air diffuser.
Described volume adjusting apparatus is volume damper and the air door driver that is installed on the ventilation equipment, at the control downward modulation rectification campaign door folding degree of microcomputer controller, control intake.
Described volume adjusting apparatus is the converter plant that is installed on the roof ventilator, and it is at the rotating speed control intake of the effect downward modulation rectification campaign machine of microcomputer controller.
The heating method that send under the heat of a kind of volumed space building top in winter, the hot-air that winter, indoor thermal source produced rises and accumulates in indoor top, forms a high-temperature region, owing to the stack effect cold air can each slit inlet chamber by the room bottom in; This moment, the pressure-fired control system was controlled near the differential pressure pickup that is provided with indoor bottom air port and the external door, the variation of pressure-fired in the sensing chamber, and it produces signal and sends into microcomputer controller, the cold blast rate that microcomputer controller control ventilation equipment are sent into; Cold wind fully mixes with high-temperature region, indoor top air under airflow dispersion device (3) effect; Mixed air descends, thereby the heat on top has been sent into the bottom, finally makes indoor formation pressure be slightly larger than the pressure-fired environment of pressure outside, and hot-air is gone out by indoor bottom, has stoped cold wind to enter from indoor bottom.
Described airflow distribution device will make it do wall attachment jet along the roof after will being loose by the cold wind that top, roof is sent into and flowing, and jet length does not produce the decline cold airflow around building; Cold wind is evenly distributed on top, room simultaneously, and it is just in time mixed with the hot-air district on indoor upper strata.
The concrete course of work of the present invention is to allow roof ventilator reverse in the winter time, to indoor air-supply; Or with other ventilation equipment air duct from top, room to indoor air-supply.Along with air output increases, room pressure also increases, and when the pressure of architecture bottom layer during greater than pressure outside, then bottom cold wind enters and stops, and is in air draft state (this moment, all holes, the slit of whole building all were in the air draft state).Because the indoor barotropic state that is in has not had cold wind to enter, the heating effect of workspace will improve greatly.In this process, finish two things simultaneously: the one, send under the heat; The 2nd, stop the cold wind of building bottom to enter.Describe in detail respectively below:
1, send under the heat
Should be clearly in said process, the cold wind inlet of whole building does not reduce, and is to have increased on the contrary.Just cold wind is entered the workspace of flowing through by the bottom and change into entering to flow through and do not have the high-temperature region of temperature requirement, and mix in the high-temperature region from top.Because of the door and window slit, hole etc. of building bottom are in the air draft state, mixed air is discharged after with some workspace of flowing through.Situation from whole building, it is the state (although air draft is also arranged at top) that is in top air intake, bottom air draft, and because this part air themperature is than outdoor EAT height, so it has played the effect of the top heat being taken to the bottom, the thermic load that the heat that a prerequisite that reaches this situation is top, room should be caused greater than the top air intake.
2, air-supply mixes in the high-temperature region
The air quantity that keeping the indoor malleation of volumed space building needs also is bigger.These wind are not to send into just indoorly, but require it fully to mix with the high-temperature region air on top, room as far as possible, do not make cold air directly arrive the bottom, room.It is that the air intake major part is done wall attachment jet along the roof that desirable air quantity distributes, but jet length has the decline cold airflow around can not causing building, and fraction spreads downwards, is in a word to make air intake at high-temperature region, top, room and hot-air fully, mix equably.Air intake is done wall attachment jet and both can fully be mixed with hot-air along the roof, can reduce the heat transfer heat loss on the regional roof of flowing through again.
3, indoor pressure-fired control
The top air output exceeds to keep the bottom pressure-fired, can not be too much, and also can not be very few.Do not reach malleation, then can not stop cold wind to enter.Malleation is excessive, then causes energy dissipation.Because outside wind pressure is a real-time change.Therefore, keeping in real time of bottom pressure-fired can only be finished by the pressure-fired control system.The setting of pressure-fired control is: establish several differential pressure pickups near architecture bottom layer air port and external door, pressure difference signal is connected to microcomputer controller.Roof ventilator bottom air-valve is established the air door driver, is got the aperture of the mean value control air door driver of each differential pressure pickup by micro computer and regulates intake.Also can mix converter plant by fan, by the signal controlling air quantity of differential pressure pickup.The size of bottom pressure-fired and fluctuation range can be set according to user's requirement, also can in use reset.The purpose of carrying out pressure-fired control is in order to reduce unnecessary cold wind inlet, in order to avoid consume too much indoor heat.For this reason, at first to try one's best the sealing of building more well-done.
Advantage of the present invention is: principle is simple and clear, and equipment investment is few, easily implements.To the volumed space building of thermal source is arranged, the heating effect that not only can obtain has reduced the sense of blowing a cold wind over, and also can utilize indoor waste heat, saves heating energy consumption.To there not being the volumed space building of thermal source, under the situation of identical heating energy consumption, can obtain the inaccessible heating effect of other heating system.
Description of drawings:
Fig. 1 is the structural representation of the first embodiment of the present invention;
Fig. 2 is the structural representation of the second embodiment of the present invention;
Fig. 3 is the structural representation of the third embodiment of the present invention.
Wherein, 1. ventilation equipment, 2. volume adjusting apparatus, 3. airflow distribution device, 4. differential pressure pickup, 5. thermal source, 6. window, 7..
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and embodiment.
Embodiment one:
Among Fig. 1, at least one ventilation equipment 1 being set at the top of building, is blower fan herein, is volume adjusting apparatus 2 and airflow distribution device 3 below blower fan, and airflow distribution device 3 is an air diffuser.At the layer air port and the external door place of indoor bottom, as window 6, places such as door 7 are provided with at least two differential pressure pickups 4, in order to detect the variation of bottom pressure-fired.Differential pressure pickup 4 is connected with microcomputer controller, microcomputer controller then is connected with volume adjusting apparatus 2, volume adjusting apparatus 2 is the volume damper and the air door driver of blower fan bottom, and the folding degree of control volume damper under the effect of microcomputer controller is to adjust the size of air quantity; Also converter plant can be installed on blower fan, by the size of microcomputer controller control air quantity.
Heating method of the present invention is, the heat that indoor in the winter time thermal source 5 or heating system produce will be assembled to indoor top, cold air is then from door 7, in the air port and external door place inlet chamber of window 6 architecture bottom layers such as grade, so just produced stack effect, indoor heat is constantly assembled the formation high-temperature region and is scattered and disappeared from top on top, and temperature is on the low side in the workspace of bottom, and the staff has the sense of significantly blowing a cold wind over.This moment, blower fan began under the control of microcomputer controller continual to indoor air-supply, cold wind is after air diffuser looses stream, part is done wall attachment jet along the roof, but jet length has the decline cold airflow around can not causing building, thereby fully mixes with the hot-air of top of building high-temperature region.Mixed air moves to the bottom from top, and takes heat to bottom, finally makes whole indoor pressure be slightly larger than outdoor pressure, becomes a pressure-fired environment.This moment, cold air can not be in the inlet chamber of building bottom, thereby had eliminated staff's cold wind sense.For in time adjusting the air output of ventilation equipment 1, locate to be provided with differential pressure pickup at door 7, window 6 etc., with the variation of sensing chamber's inner bottom part pressure-fired, in time control the air quantity of ventilation equipment 1 by microcomputer controller.
Embodiment two:
Among Fig. 2, at least one ventilation unit 1 is set in the appropriate location of building, this ventilation unit 1 comprises the air port of roof central authorities, this air port is by airduct and be arranged on top of building, middle part, bottom, or at outdoor blower fan composition, outlet at blower fan is volume adjusting apparatus 2 and airflow distribution device 3, is air diffuser herein, and cold wind is delivered to the air outlet that is located at the roof after air diffuser blows out by airduct.The air port of indoor bottom or outside the door and window place, as window 6, places such as door 7 are provided with at least two differential pressure pickups 4, in order to detect the variation of bottom indoor and outdoor pressure differential.Differential pressure pickup 4 is connected with microcomputer controller, microcomputer controller then connects with volume adjusting apparatus 2, volume adjusting apparatus 2 be volume damper and on the air door driver, volume adjusting apparatus 2 is controlled the folding degree of volume damper under the effect of microcomputer controller, to adjust the size of air quantity; Also converter plant can be installed on blower fan, by the size of microcomputer controller control air quantity.
Identical among the method for work of this system and the embodiment one do not repeat them here.
Embodiment three:
Among Fig. 3, at least one ventilation unit 1 is set in the appropriate location of building, it comprises the air port that is arranged on roof one side, the air port is by airduct and be arranged on top of building, middle part, bottom, also can connect at outdoor blower fan, there is volume adjusting apparatus 2 at the place, air port, and cold wind blows out after delivering to the air outlet that is located at roof one side by airduct.The air port of indoor bottom or outside the door and window place, as window 6, places such as door 7 are provided with at least two differential pressure pickups 4, in order to detect the variation of bottom indoor and outdoor pressure differential.Differential pressure pickup 4 is connected with microcomputer controller, microcomputer controller then is connected with volume adjusting apparatus 2, volume adjusting apparatus 2 is the volume damper and the air door driver in blower fan exit, they can control the folding degree of volume damper under the effect of microcomputer controller, to adjust the size of air quantity; Also converter plant can be installed on blower fan, by the size of microcomputer controller control air quantity.
The heating system of present embodiment and embodiment one, embodiment two are not all in the air port not go out airflow distribution device 3 need be set, and all the other structures are identical with embodiment one, embodiment two, do not repeat them here.
The method of work of present embodiment is similar with embodiment two to embodiment one with principle, difference is: blower fan begins continual during to indoor air-supply under the control of microcomputer controller, cold wind is after air-valve and airduct are delivered to air outlet (air outlet can be a plurality of), air-flow no longer passes through airflow distribution device 3, its part air-flow is done wall attachment jet along the roof, but jet length can not cause the opposite within the walls side the decline cold airflow is arranged, other cold air is fully mixing with hot-air in high-temperature region, building top then.Mixed air moves to the bottom from top, and takes heat to bottom, finally makes whole indoor pressure be slightly larger than outdoor pressure, becomes a pressure-fired environment.
Claims (9)
1. send heating system under volumed space building top in a winter heat, it comprises at least one ventilation equipment (1) that are installed in top of building, it is characterized in that: described ventilation equipment (1) are gone up airflow distribution device (3) are installed, ventilation equipment (1) are connected with the pressure-fired control system by volume adjusting apparatus (2), the pressure-fired control system comprises at least two differential pressure pickups (4), they are installed near indoor bottom air port and the external door, are used to detect the variation of bottom indoor and outdoor pressure reduction; Each differential pressure pickup (4) is connected with microcomputer controller, and microcomputer controller then is connected with volume adjusting apparatus (2); Ventilation equipment (1) are sent into indoor cold wind by in the top of building inlet chamber, and mix with room air in the high-temperature region on top, room, make indoor bottom keep small malleation.
2. send heating system under the heat of volumed space building according to claim 1 top in winter, it is characterized in that: described ventilation equipment (1) are for being installed in the blower fan on roof.
3. send heating system under the heat of volumed space building according to claim 1 top in winter, it is characterized in that: described ventilation equipment (1) are for being positioned in the middle part of the roof or at least one air outlet of roof one side, and air outlet is connected with blower fan through airduct.
4. send heating system under the heat of volumed space building according to claim 1 top in winter, it is characterized in that: described ventilation equipment (1) can be sent into indoor ventilation equipment by outdoor with cold wind for other.
5. send heating system under the heat of volumed space building according to claim 1 top in winter, it is characterized in that: described airflow distribution device (3) is an air diffuser.
6. send heating system under the heat of volumed space building according to claim 1 top in winter, it is characterized in that: described volume adjusting apparatus (2) is for being installed in volume damper and the air door driver on the ventilation equipment (1), at the control downward modulation rectification campaign door folding degree of microcomputer controller, control intake.
7. send heating system under the heat of volumed space building according to claim 1 top in winter, it is characterized in that: described volume adjusting apparatus (2) is for being installed in the converter plant on the roof ventilator, and it is at the rotating speed control intake of the effect downward modulation rectification campaign machine of microcomputer controller.
8. the heating method that send under volumed space building top in the winter heat, it is characterized in that: the hot-air that winter, indoor thermal source produced rises and accumulates in indoor top, forms a high-temperature region, owing to the stack effect cold air can each slit inlet chamber by the room bottom in; This moment, the pressure-fired control system was controlled near the differential pressure pickup (4) that is provided with indoor bottom air port and the external door, the variation of pressure-fired in the sensing chamber, and it produces signal and sends into microcomputer controller, the cold blast rate that microcomputer controller control ventilation equipment (1) are sent into; Cold wind fully mixes with high-temperature region, indoor top air under airflow dispersion device (3) effect; Mixed air descends, thereby the heat on top has been sent into the bottom, finally makes indoor formation pressure be slightly larger than the pressure-fired environment of pressure outside, and hot-air is gone out by indoor bottom, has stoped cold wind to enter from indoor bottom.
9. the heating method that send under the heat of volumed space building according to claim 8 top in winter, it is characterized in that: described airflow distribution device (3) will make it do wall attachment jet along the roof after will being loose by the cold wind that top, roof is sent into and flowing, and jet length does not produce the decline cold airflow around building; Cold wind is evenly distributed on top, room simultaneously, and it is just in time mixed with the hot-air district on indoor upper strata.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510044052XA CN100400973C (en) | 2005-07-20 | 2005-07-20 | Heating system and method for conducting up heat to down portion during winter season for big-space building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510044052XA CN100400973C (en) | 2005-07-20 | 2005-07-20 | Heating system and method for conducting up heat to down portion during winter season for big-space building |
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| Publication Number | Publication Date |
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| CN1743740A CN1743740A (en) | 2006-03-08 |
| CN100400973C true CN100400973C (en) | 2008-07-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11168916B2 (en) | 2018-06-11 | 2021-11-09 | Broan-Nutone Llc | Ventilation system with automatic flow balancing derived from a neural network and methods of use |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743054B (en) * | 2014-01-13 | 2017-01-25 | 山东电力工程咨询院有限公司 | Bottom vacuum control heating system and method for super-large space buildings |
| CN106705333A (en) * | 2016-08-31 | 2017-05-24 | 北京约顿气膜建筑技术股份有限公司 | Air circulation device for air structure |
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| JPH10110972A (en) * | 1996-10-02 | 1998-04-28 | Hitachi Ltd | Air conditioning system |
| US6241604B1 (en) * | 1998-02-04 | 2001-06-05 | William C. Colter | Ventilation temperature and pressure control apparatus |
| JP2001317772A (en) * | 2000-05-11 | 2001-11-16 | Matsushita Refrig Co Ltd | Air conditioning system for stores |
| CN2515585Y (en) * | 2001-12-19 | 2002-10-09 | 包民业 | Overhead waste heat collecting heating hot air transporter |
| CN2821432Y (en) * | 2005-07-20 | 2006-09-27 | 山东电力工程咨询院 | Top heat downward supply heater in large space building in winter |
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2005
- 2005-07-20 CN CNB200510044052XA patent/CN100400973C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10110972A (en) * | 1996-10-02 | 1998-04-28 | Hitachi Ltd | Air conditioning system |
| US6241604B1 (en) * | 1998-02-04 | 2001-06-05 | William C. Colter | Ventilation temperature and pressure control apparatus |
| JP2001317772A (en) * | 2000-05-11 | 2001-11-16 | Matsushita Refrig Co Ltd | Air conditioning system for stores |
| CN2515585Y (en) * | 2001-12-19 | 2002-10-09 | 包民业 | Overhead waste heat collecting heating hot air transporter |
| CN2821432Y (en) * | 2005-07-20 | 2006-09-27 | 山东电力工程咨询院 | Top heat downward supply heater in large space building in winter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11168916B2 (en) | 2018-06-11 | 2021-11-09 | Broan-Nutone Llc | Ventilation system with automatic flow balancing derived from a neural network and methods of use |
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| CN1743740A (en) | 2006-03-08 |
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