CN105257047A - Ventilation and smoke exhaustion device of underground stereo parking garage - Google Patents
Ventilation and smoke exhaustion device of underground stereo parking garage Download PDFInfo
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- CN105257047A CN105257047A CN201510705858.2A CN201510705858A CN105257047A CN 105257047 A CN105257047 A CN 105257047A CN 201510705858 A CN201510705858 A CN 201510705858A CN 105257047 A CN105257047 A CN 105257047A
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Abstract
The invention discloses a ventilation and smoke exhaustion device of an underground stereo parking garage. The device comprises two ground exhaust ducts, two underground exhaust ducts, an underground bottom channel, annular exhaust ducts positioned on the outer sides of underground parking place structures in all the layers and top exhaust fans, wherein the upper part of each ground exhaust duct is connected with the corresponding top exhaust fan, and the lower part of each ground exhaust duct is connected with the corresponding underground exhaust duct; the two underground exhaust ducts are communicated with the underground bottom channel, and are communicated with all the annular exhaust ducts. According to the ventilation and smoke exhaustion device, under the pumping action of the top exhaust fans, negative pressure is formed inside the underground stereo parking garage, outdoor air enters the underground stereo parking garage through the gap between a ground parking room and the underground stereo parking garage, and harmful gases in the underground parking place structures in all the layers of the underground stereo parking garage are discharged outdoors sequentially through the corresponding annular exhaust ducts, the underground exhaust ducts, the ground exhaust ducts and the top exhaust fans, so that harmful gases of the underground stereo parking garage can be effectively removed, and the temperature of the underground stereo parking garage is decreased.
Description
Technical field
The present invention relates to ventilation and exhaust smoke in underground garage class, be specifically related to underground stereo garage parking ventilation and exhaust device, be particularly useful for the large scale of construction, buried type underground stereo garage parking.
Background technology
Along with society, economic development, car is universal in city gradually.According to statistics, there is the automobile quantity in 31 cities in the whole nation more than 1,000,000, and wherein Beijing's automobile is more than 5,000,000.The land resources that relative city is rare, parking space becomes the favorite of car owners' the supreme arrogance of a person with great power.Just because of this, the underground stereo garage parking that can make full use of the underground space arises at the historic moment.
Descend parking systems longitudinal section traditionally as shown in Figure 1, by means of only the keying of stopping with carry car panoramic table when picking up the car, realize the ventilation in underground stereo garage parking, because bottom the oil gas taste of vehicle release and underground garage, the pernicious gas that gathers is more, traditional draft type cannot meet hygienic requirements.Patrol and examine and can only bear oxygen supply equipment when to enter garage parking with maintenance personal and enter, not only increase impedimenta, and be not easy to patrol and examine and maintenance.In addition, the not good meeting of ventilation effect causes heat accumulation in underground stereo garage parking, reduces the efficiency of the consumer such as transformer, switch board, if things go on like this, affects service life of equipment.
The breaking out of fire of underground stereo garage parking, conventionally adopts closed gas extinguishing method, but adopt this extinguishing method effectively can not stop the rapid diffusion of high-temperature flue gas, underground stereo garage parking occurs that the risk of overall blast increases.In addition, after calamity, smoke evacuation becomes another difficult problem under accident conditions, and the method for traditional natural smoke evacuation can not guarantee rapid the recoverys use in underground stereo garage parking.
Summary of the invention
The object of the invention is according to above-mentioned the deficiencies in the prior art part, a kind of underground stereo garage parking ventilation and exhaust device is provided, can outdoor air be introduced during operating mode at ordinary times, reduce the pernicious gas content in underground stereo garage parking, and reduce underground stereo garage parking temperature; Accident conditions, discharging fume rapidly nearby, to reduce the loss that accident is made when can realize fire or after calamity.
Realization of the present invention is completed by following technical scheme:
A kind of underground stereo garage parking ventilation and exhaust device, for the ventilation smoke exhaust in underground stereo garage parking, the top in described underground stereo garage parking arranges ground parking room, there are in described underground stereo garage parking some layers of underground parking position structure, described underground stereo garage parking ventilation and exhaust device comprises two ground exhaust ducts, two underground exhaust ducts, underground foot passage, be positioned at the layer annular row air channel outside the parking position structure of each layer underground, and top exhaust blower, described two ground exhaust ducts are arranged at the both sides in described ground parking room, described two underground exhaust ducts are arranged at the both sides in described underground stereo garage parking, described two underground exhaust ducts connect top exhaust blower, under connect corresponding underground exhaust duct, described two underground exhaust ducts are communicated with described underground foot passage respectively, the through all described circular row air channels of described underground exhaust duct.
Preferably, in above-mentioned underground stereo garage parking ventilation and exhaust device, also comprise two exhaust duct motor operated valves, described exhaust duct motor operated valve is arranged at the junction of described underground exhaust duct and corresponding ground exhaust duct, and described two exhaust duct motor operated valves can cut out or open path between described ground exhaust duct and corresponding underground exhaust duct.
Preferably, in above-mentioned underground stereo garage parking ventilation and exhaust device, exhaust duct symmetrical and close proximity to ground parking house inwall in described ground is arranged, and is staggeredly arranged with access, ground parking room.
Preferably, in above-mentioned underground stereo garage parking ventilation and exhaust device, the top of described two ground exhaust ducts is connected by a horizontal air channel, described horizontal air channel is provided with two described top exhaust blowers, described horizontal air channel is also provided with an intermediate valve, and described intermediate valve is between two described top exhaust blowers.
Preferably, in above-mentioned underground stereo garage parking ventilation and exhaust device, described underground exhaust duct is between the outer wall and the inwall in underground stereo garage parking of underground parking position structure.
Preferably, in above-mentioned underground stereo garage parking ventilation and exhaust device, described circular row air channel is arranged at the upper outside of corresponding underground parking position structure, the outer wall of every layer of underground parking position structure is offered respectively for by the inner air water conservancy diversion of underground parking position structure to the parking position air outlet in corresponding circular row air channel.
Preferably, in above-mentioned underground stereo garage parking ventilation and exhaust device, each parking position air outlet is arranged a smoke vent opening motor operated valve, each parking position air outlet is also provided with one temperature-gas detector.
Preferably, in above-mentioned underground stereo garage parking ventilation and exhaust device, the junction of described underground foot passage and underground exhaust duct arranges the bottom air outlet for getting rid of the pernicious gas being deposited on underground stereo garage parking.
Compared to existing technology, beneficial effect of the present invention is as follows:
One, underground stereo garage parking of the present invention ventilation and exhaust device, comprise two ground exhaust ducts, two underground exhaust ducts, underground foot passage, be positioned at the layer annular row air channel outside the parking position structure of each layer underground, and top exhaust blower, described two ground exhaust ducts are arranged at the both sides in described ground parking room, described two underground exhaust ducts are arranged at the both sides in described underground stereo garage parking, described two underground exhaust ducts connect described top exhaust blower, under connect corresponding underground exhaust duct, described two underground exhaust ducts are communicated with described underground foot passage respectively, the through all described circular row air channels of described underground exhaust duct.Under the swabbing action of top exhaust blower, negative pressure is formed in underground stereo garage parking, outdoor air is mainly the gap of carrying car panoramic table surrounding via the gap between ground parking room and underground stereo garage parking and enters underground stereo garage parking, pernicious gas in the parking position structure of Ge Ceng underground, underground stereo garage parking, successively via the circular row air channel of correspondence, underground exhaust duct, exhaust duct and top exhaust blower are expelled to outdoor on the ground, pernicious gas simultaneously bottom the parking systems of underground is successively through underground foot passage, underground exhaust duct, exhaust duct and top exhaust blower are expelled to outdoor on the ground, therefore, on the one hand, the present invention effectively exclusively can descend the pernicious gas in parking systems, the air ambient of a safety can be provided for entering the operation maintenance personnel of carrying out electromechanical equipment maintenance in underground stereo garage parking, on the other hand, effectively reduce the temperature in underground stereo garage parking, ensure that the electromechanical equipment in underground stereo garage parking is in the temperature range of a safety, extend the application life of electromechanical equipment.
In addition, because the top of two described ground exhaust ducts is connected by a horizontal air channel, described horizontal air channel is provided with two top exhaust blowers, described horizontal air channel is also provided with an intermediate valve, described intermediate valve is between two described top exhaust blowers, two top exhaust blowers can be made for subsequent use each other, improve its application life.In addition, by setting up temperature-gas detector on each parking position air outlet, can the temperature of position residing for Real-Time Monitoring and flue gas situation, to make reply management in time.
Accompanying drawing explanation
Fig. 1 descends parking systems schematic longitudinal section traditionally.
Fig. 2 is the schematic longitudinal section being provided with the underground stereo garage parking of underground stereo garage parking ventilation and exhaust device of one embodiment of the invention.
Fig. 3 is the A-A generalized section of Fig. 2.
Fig. 4 is the B-B generalized section of Fig. 2.
Detailed description of the invention
The present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that the understanding of technician of the same trade.
As Figure 1-4, Reference numeral 1-17 represents respectively: underground stereo garage parking 1, ground parking room 2, carry car panoramic table 3, waiting area of parking terrace 4, exhaust duct motor operated valve 5, car 6, exhaust duct 7 on the ground, intermediate valve 8, underground exhaust duct 9, underground stereo garage parking hoist trunk 10, parking position air outlet 11, smoke vent opening motor operated valve 12, underground parking position structure 13, underground foot passage 14, access, ground parking room 15, the inwall 16 in underground stereo garage parking, circular row air channel 17, top exhaust blower 18, horizontal air channel 19, the outer wall 20 of underground parking position structure 13, ground lower bottom part air outlet 21.
Present embodiment discloses a kind of underground stereo garage parking ventilation and exhaust device, for the ventilation smoke exhaust in underground stereo garage parking, the top in described underground stereo garage parking 1 arranges ground parking room 2, there are in described underground stereo garage parking 1 some layers of underground parking position structure 13, described underground stereo garage parking ventilation and exhaust device comprises two ground exhaust ducts 7, two underground exhaust ducts 9, underground foot passage 14, be positioned at the layer annular row air channel outside each layer underground parking position structure 13, and top exhaust blower 1, described two ground exhaust ducts 7 are arranged at the both sides in described ground parking room 2, described two underground exhaust ducts 9 are arranged at the both sides in described underground stereo garage parking 1, described two underground exhaust ducts 9 connect top exhaust blower 1, under connect corresponding underground exhaust duct 9, described two underground exhaust ducts 9 are communicated with described underground foot passage 14 respectively, the all described circular row air channels 17 of described underground exhaust duct 9 up/down perforation.
The underground stereo garage parking ventilation and exhaust device of the present embodiment, under the swabbing action of top exhaust blower 1, negative pressure is formed in underground stereo garage parking 1, outdoor air is mainly the gap of carrying car panoramic table 3 surrounding via the gap between ground parking room 2 and underground stereo garage parking 1 and enters underground stereo garage parking 1, pernicious gas in 1 each layer, underground stereo garage parking underground parking position structure 13, successively via the circular row air channel 17 of correspondence, underground exhaust duct 9, exhaust duct 7 and top exhaust blower 1 are expelled to outdoor on the ground, pernicious gas simultaneously bottom underground parking systems 1 is successively through underground foot passage 14, underground exhaust duct 9, exhaust duct 7 and top exhaust blower 1 are expelled to outdoor on the ground, as can be seen here, on the one hand, underground stereo garage parking of the present invention ventilation and exhaust device effectively exclusively can descend the pernicious gas in parking systems 1, the air ambient of a safety is provided for entering the operation maintenance personnel of carrying out electromechanical equipment maintenance in underground stereo garage parking 1, on the other hand, effectively reduce the temperature in underground stereo garage parking 1, ensure that the electromechanical equipment in underground stereo garage parking 1 is in the temperature range of a safety, extend the application life of electromechanical equipment.
Preferably, in above-mentioned underground stereo garage parking ventilation and exhaust device, also comprise two exhaust duct motor operated valves 5, described exhaust duct motor operated valve 5 is arranged at the junction of described underground exhaust duct 9 and corresponding ground exhaust duct 7, by arranging described two exhaust duct motor operated valves 5, can close or open path between described ground exhaust duct 7 and corresponding underground exhaust duct 9.
Preferably, in above-mentioned underground stereo garage parking ventilation and exhaust device, it is inner that described ground exhaust duct 7 is positioned at described ground parking room 2, exhaust duct 7 symmetrical and close proximity to ground parking house 2 inwall in described ground is arranged, and be staggeredly arranged with access, ground parking room 15, thus it is more reasonable compact that the space in ground parking room 2 is arranged.
Preferably, in above-mentioned underground stereo garage parking ventilation and exhaust device, the top of described two ground exhaust ducts 7 is connected by a horizontal air channel 19, described horizontal air channel 19 is provided with two described top exhaust blowers 1, described horizontal air channel 19 is also provided with an intermediate valve 8, described intermediate valve 8 is between two described top exhaust blowers 1.Because the air quantity of separate unit top exhaust blower 18, blast meet the air draft requirement of underground parking systems 1 least favorable air outlet, two top exhaust blowers 1 can be for subsequent use each other, thus effectively extend the application life of top exhaust blower 1.In the present embodiment, described top exhaust blower 1 is preferably rain-proof type roof extract unit, has preferably rainproof and air-exhausting function.
Preferably, in above-mentioned underground stereo garage parking ventilation and exhaust device, described underground exhaust duct 9 between the outer wall 20 and the inwall 16 in underground stereo garage parking of underground parking position structure 13, thus can utilize existing structure to complete the structure of underground exhaust duct 9, reduces construction cost.
Preferably, in above-mentioned underground stereo garage parking ventilation and exhaust device, described circular row air channel 17 is arranged at the upper outside of corresponding underground parking position structure 13, the outer wall 20 of every layer of underground parking position structure 13 is offered respectively for by the inner air water conservancy diversion of underground parking position structure 13 to the parking position air outlet 11 in corresponding circular row air channel 17.Circular row air channel 17 is arranged at the upper outside descending parking position structure 13 accordingly, makes parking position air outlet 11 relative set in the top of underground parking position structure 13, thus the gas be conducive in underground parking position structure 13 outwards discharges, improve pump drainage efficiency.Each described circular row air channel 17 also between the outer wall 20 and the inwall 16 in underground stereo garage parking of underground parking position structure 13, thus can partly utilize existing structure to complete the structure in circular row air channel 17, reduces construction cost.
In order to realize the flexible keying of each each parking position air outlet 11, preferably, in above-mentioned underground stereo garage parking ventilation and exhaust device, each parking position air outlet 11 is arranged a smoke vent opening motor operated valve 12, each parking position air outlet 11 is also provided with one temperature-gas detector (not shown).Can the temperature at each parking position air outlet 11 place of Real-Time Monitoring and smoke condition by set temperature-gas detector.
In order to more effective eliminating is deposited on the pernicious gas bottom underground stereo garage parking, preferably, in above-mentioned underground stereo garage parking ventilation and exhaust device, underground foot passage 14 arranges the bottom air outlet 14 for getting rid of the pernicious gas being deposited on underground stereo garage parking with the junction of underground exhaust duct 9.
The using method of underground stereo garage parking of the present invention ventilation and exhaust device is as follows:
One, when overhaul of the equipments operating mode at ordinary times, Long-distance Control is carried car panoramic table 3 and is entered underground stereo garage parking, underground stereo garage parking hoist trunk 10 and stop bottom, open a top exhaust blower 1, keep all parking position air outlets 11 to be in opening with corresponding smoke vent opening motor operated valve 12 simultaneously, underground stereo garage parking carries out mechanical exhaust, purification inner air, get rid of pernicious gas, until temperature-gas detector display numerical value all after in safe range, operation maintenance personnel enters underground stereo garage parking and carries out overhaul of the equipments operation.
Two, when plant maintenance state at ordinary times, when temperature-gas detector senses that temperature in underground stereo garage parking is more than a set temperature value, open a top exhaust blower 1, set temperature value described in the present embodiment is set as 36 DEG C, keep all parking position air outlets 11 to be in opening with corresponding smoke vent opening motor operated valve 12 simultaneously, underground stereo garage parking carries out mechanical exhaust, reduces the temperature in underground stereo garage parking; When the temperature that temperature-gas detector senses in underground stereo garage parking exceedes another higher set temperature value, open another top exhaust blower 1, strengthen aeration-cooling effect, in the present embodiment, another higher set temperature value is 40 DEG C.
Three, when accident fire working, when the temperature-gas detector in the parking systems of underground senses flue gas, start underground stereo garage parking fire fighting system simultaneously, open two top exhaust blowers 1, ensure exhaust duct 7 on the ground, underground exhaust duct 9 and circular row air channel 17 keep unimpeded, remote auto controls smoke vent opening motor operated valve 12, make to sense that the parking position air outlet 11 of flue gas and the parking position air outlet 11 of top thereof are held open state, the parking position air outlet 11 of below keeps closed condition, ensure that parking position air outlet 11 is effectively discharged fume, control fire and smoke spread to greatest extent.
Four, after accident calamity during operating mode, when accident fire working is selected to adopt closed gas extinguishing method, Long-distance Control is carried car panoramic table 3 and is entered underground stereo garage parking, underground stereo garage parking hoist trunk 10 and stop bottom, open a top exhaust blower 1, keep all parking position air outlets 11 to be in opening with corresponding smoke vent opening motor operated valve 12 simultaneously, underground stereo garage parking carries out mechanical exhaust, purification inner air, get rid of pernicious gas, until temperature-gas detector display numerical value is all in safe range.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (8)
1. a underground stereo garage parking ventilation and exhaust device, for the ventilation smoke exhaust in underground stereo garage parking, the top in described underground stereo garage parking arranges ground parking room, there are in described underground stereo garage parking some layers of underground parking position structure, it is characterized in that, comprise two ground exhaust ducts, two underground exhaust ducts, underground foot passage, be positioned at the layer annular row air channel outside the parking position structure of each layer underground, and top exhaust blower, described two ground exhaust ducts are arranged at the both sides in described ground parking room, described two underground exhaust ducts are arranged at the both sides in described underground stereo garage parking, described two underground exhaust ducts connect top exhaust blower, under connect corresponding underground exhaust duct, described two underground exhaust ducts are communicated with described underground foot passage respectively, the through all described circular row air channels of described underground exhaust duct.
2. underground stereo garage parking ventilation and exhaust device according to claim 1, it is characterized in that, also comprise two exhaust duct motor operated valves, described exhaust duct motor operated valve is arranged at the junction of described underground exhaust duct and corresponding ground exhaust duct, and described two exhaust duct motor operated valves can cut out or open path between described ground exhaust duct and corresponding underground exhaust duct.
3. underground stereo garage parking ventilation and exhaust device according to claim 1, is characterized in that, exhaust duct symmetrical and close proximity to ground parking house inwall in described ground is arranged, and is staggeredly arranged with access, ground parking room.
4. underground stereo garage parking ventilation and exhaust device according to claim 1, it is characterized in that, the top of described two ground exhaust ducts is connected by a horizontal air channel, described horizontal air channel is provided with two described top exhaust blowers, described horizontal air channel is also provided with an intermediate valve, and described intermediate valve is between two described top exhaust blowers.
5. underground stereo garage parking ventilation and exhaust device according to claim 1, it is characterized in that, described underground exhaust duct is between the outer wall and the inwall in underground stereo garage parking of underground parking position structure.
6. underground stereo garage parking ventilation and exhaust device according to claim 1, it is characterized in that, described circular row air channel is arranged at the upper outside of corresponding underground parking position structure, the outer wall of every layer of underground parking position structure is offered respectively for by the inner air water conservancy diversion of underground parking position structure to the parking position air outlet in corresponding circular row air channel.
7. underground stereo garage parking ventilation and exhaust device according to claim 1, is characterized in that, each parking position air outlet is arranged a smoke vent opening motor operated valve, each parking position air outlet is also provided with one temperature-gas detector.
8. underground stereo garage parking ventilation and exhaust device according to claim 1, it is characterized in that, the junction of described underground foot passage and underground exhaust duct arranges the bottom air outlet for getting rid of the pernicious gas being deposited on underground stereo garage parking.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510705858.2A CN105257047A (en) | 2015-10-27 | 2015-10-27 | Ventilation and smoke exhaustion device of underground stereo parking garage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510705858.2A CN105257047A (en) | 2015-10-27 | 2015-10-27 | Ventilation and smoke exhaustion device of underground stereo parking garage |
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| CN201510705858.2A Pending CN105257047A (en) | 2015-10-27 | 2015-10-27 | Ventilation and smoke exhaustion device of underground stereo parking garage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028512A (en) * | 2018-07-12 | 2018-12-18 | 合肥市神雕起重机械有限公司 | A kind of environmental control system based on intelligent garage |
| CN109629872A (en) * | 2019-01-31 | 2019-04-16 | 辛秀 | A kind of freestanding multilayer parking stall |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201256A (en) * | 2015-10-16 | 2015-12-30 | 上海市政工程设计研究总院（集团）有限公司 | Ventilation and smoke discharge device for underground solid garage |
-
2015
- 2015-10-27 CN CN201510705858.2A patent/CN105257047A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201256A (en) * | 2015-10-16 | 2015-12-30 | 上海市政工程设计研究总院（集团）有限公司 | Ventilation and smoke discharge device for underground solid garage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028512A (en) * | 2018-07-12 | 2018-12-18 | 合肥市神雕起重机械有限公司 | A kind of environmental control system based on intelligent garage |
| CN109629872A (en) * | 2019-01-31 | 2019-04-16 | 辛秀 | A kind of freestanding multilayer parking stall |
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Application publication date: 20160120 |