CN221076660U - Subway access & exit elevator well cooling structure - Google Patents
Subway access & exit elevator well cooling structure Download PDFInfo
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- CN221076660U CN221076660U CN202322681910.8U CN202322681910U CN221076660U CN 221076660 U CN221076660 U CN 221076660U CN 202322681910 U CN202322681910 U CN 202322681910U CN 221076660 U CN221076660 U CN 221076660U
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- check valve
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- way check
- well
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- 238000001816 cooling Methods 0.000 title claims abstract description 26
- 239000011521 glass Substances 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000012774 insulation material Substances 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 10
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model discloses a subway entrance elevator shaft cooling structure, which comprises an elevator shaft, wherein the elevator shaft consists of a concrete shaft arranged underground and a steel structure glass shaft arranged on the ground and connected with the concrete shaft, the concrete shaft is sequentially provided with a first elevator shaft door and a first one-way check valve from bottom to top, an air inlet of the first one-way check valve is communicated with an entrance channel of a hall layer, and an air outlet of the first one-way check valve is communicated with the concrete shaft; the steel structure glass well is provided with a second elevator hoistway door and a second one-way check valve from bottom to top in sequence, and an air inlet of the second one-way check valve is communicated with the steel structure glass well and an air outlet of the second one-way check valve is communicated with external atmosphere. The utility model has the advantages that: the environment temperature in the elevator shaft of the subway entrance can be effectively reduced, proper sun-proof and heat-insulating measures are taken in combination with the top of the elevator shaft of the subway entrance, the situation that an elevator host is overheated and stopped in summer in high-temperature weather can be prevented from happening, the continuous safe operation of the elevator is effectively ensured, and the service life of the elevator is prolonged.
Description
Technical Field
The utility model relates to the technical field of subways and elevators, in particular to a subway entrance elevator shaft cooling structure.
Background
At present, a vertical elevator at an entrance of a subway station adopts a machine-less elevator, a ground elevator shaft adopts a steel structure glass curtain wall mode, a motor, a speed reducer and other driving and transmission devices are all placed at the top of the elevator shaft, the ground elevator shaft is directly irradiated by sunlight in summer high-temperature weather, the temperature in the elevator shaft is easy to obviously rise, an elevator host is overheated, protective shutdown is generated, and the elevator cannot be normally used, so that the operation of the station is influenced. In addition, the elevator works in a high-temperature, damp and hot environment for a long time, the ageing of electrical elements is easy to accelerate, the corrosion of steel structural members such as a guide rail bracket and the like is easier to generate, and the service life of the elevator is obviously influenced. Therefore, an economical and reasonable subway access elevator shaft cooling structure is needed, which is used for reducing the working environment temperature of an elevator in summer in high-temperature weather, preventing an elevator host from overheat and stopping, and effectively prolonging the service life of the elevator.
Disclosure of Invention
According to the defects of the prior art, the utility model provides the subway entrance elevator shaft cooling structure, the one-way check valve is arranged on the elevator shaft, so that the air in the elevator shaft can be effectively promoted to be continuously updated and replaced, the hot air at the top of the shaft can be continuously discharged out of the shaft, and the hot air is prevented from flowing back into the elevator shaft, so that a good shaft cooling effect is achieved, the condition that the elevator is overheated and stopped in summer in high-temperature weather is effectively prevented, the damp and hot environment in the elevator shaft can be improved, and the service life of the elevator is effectively prolonged.
The utility model is realized by the following technical scheme:
The utility model provides a subway access & exit elevator well cooling structure which characterized in that: the elevator comprises an elevator shaft, wherein the elevator shaft consists of a concrete shaft arranged underground and a steel structure glass shaft arranged on the ground and connected with the concrete shaft, the concrete shaft is sequentially provided with a first elevator hall door and a first one-way check valve from bottom to top, an air inlet of the first one-way check valve is communicated with a hall layer entrance and exit channel, and an air outlet of the first one-way check valve is communicated with the concrete shaft; the steel structure glass well is equipped with second hoistway door and second one-way check valve from bottom to top in proper order, the air intake of second one-way check valve with steel structure glass well intercommunication, air outlet intercommunication outside atmosphere.
The solar protection and heat insulation glass well is characterized in that a solar protection and heat insulation material layer is arranged at the top of the steel structure glass well, and a solar protection and heat insulation film is adhered to glass on the side face of the steel structure glass well.
An elevator car is installed in the elevator hoistway, and is driven by an elevator driving host.
And a rainproof shutter is arranged at the air outlet of the second one-way check valve.
And a canopy is arranged above the second hoistway door, and is connected with the steel structure glass hoistway and positioned below the second one-way check valve.
The concrete well is communicated with the water collecting well through the pre-buried drain pipe.
The utility model has the advantages that:
(1) The cooling treatment scheme for the elevator shaft is carried out by utilizing the air conditioner cold air in the subway station hall layer, so that the replacement of air in the elevator shaft is promoted and heat is discharged in time, and a good elevator shaft cooling effect is achieved;
(2) The problem that the host machine of the subway entrance elevator is overheated and stopped in summer high-temperature weather is solved well, the operation reliability of the elevator is improved, the operation service level of the elevator is guaranteed and improved, and the service life of the elevator can be prolonged effectively;
(3) Only two one-way check valves are newly added, the original structure of the elevator and the hoistway is not changed, the cost can be effectively controlled, the operation is simple and easy, and the method has higher popularization significance in the subway field and other relevant use fields of the elevator.
Drawings
Fig. 1 is a schematic diagram of the operation of the elevator car of the present utility model when traveling upwards;
fig. 2 is a schematic diagram of the operation of the elevator car of the present utility model when traveling downward;
fig. 3 is a schematic diagram of the operation of the present utility model.
Detailed Description
The features of the utility model and other related features are described in further detail below by way of example in conjunction with the following figures to facilitate understanding by those skilled in the art:
As shown in fig. 1-3, the marks are shown as a concrete well 1, a steel structure glass well 2, a first elevator hall door 3, a first one-way check valve 4, a second elevator hall door 5, a second one-way check valve 6, an elevator car 7, an elevator driving host 8, a hall entrance and exit channel 9, a rain shutter 10, a canopy 11, an embedded drain pipe 12 and a water collecting well 13.
Examples: as shown in fig. 1-3, the present embodiment relates to a cooling structure for an elevator shaft of a subway entrance, which mainly comprises an elevator shaft, wherein the elevator shaft is composed of a concrete shaft 1 arranged underground and a steel structure glass shaft 2 arranged on the ground and connected with the concrete shaft 1, an elevator car 7 is installed in the elevator shaft, and the elevator car 7 is driven by an elevator driving host 8. Wherein, steel construction glass well 2 top is equipped with sun-proof heat preservation thermal insulation material layer, pastes on the glass of steel construction glass well 2 side has sun-proof thermal insulation film, can avoid elevator driving host computer 8 at elevator well top to receive the sunshine directly and rapid heating up under the high temperature weather in summer, reduces the internal environment temperature at steel construction glass well 2 top, avoids elevator driving host computer 8 overheated shut down.
As shown in fig. 1-2, the concrete hoistway 1 is sequentially provided with a first hoistway door 3 and a first one-way check valve 4 from bottom to top, an air inlet of the first one-way check valve 4 is communicated with a hoistway entrance channel 9 of a landing layer, an air outlet of the first one-way check valve is communicated with the concrete hoistway 1, and the first one-way check valve 4 has a reverse check function and only allows air to circulate into the elevator hoistway from the hoistway entrance channel 9 of the landing layer. The steel structure glass well 2 is equipped with second hoistway door 5 and second one-way check valve 6 from supreme in proper order down, and the air intake and the outside atmosphere of steel structure glass well 2 intercommunication of air outlet intercommunication of second one-way check valve 6, second one-way check valve 6 possess reverse check function, only allow the air to circulate outward in the elevator well.
As shown in fig. 1-2, a rain-proof shutter 10 is provided at the air outlet of the second one-way check valve 6 for exhausting air and preventing rain. A canopy 11 is arranged above the second hoistway door 5, and the canopy 11 is connected with the steel structure glass hoistway 2 and positioned below the second one-way check valve 6 for rain protection of the second hoistway door 5. The concrete well 1 is communicated with the water collecting well 13 through the embedded drain pipe 12, and can play a role in draining water.
In summer high-temperature weather, the air conditioning system of the subway station operates, the air temperature of the entrance and exit channel 9 of the station hall layer is obviously lower than the outdoor air temperature of the ground layer, and the rise of the internal air temperature of the steel structure glass hoistway 2 under the irradiation of the sun is unfavorable for the normal operation of the elevator. Because elevator in the during operation elevator hoistway door is in the state of closing, as shown in fig. 1, when elevator driving host computer 8 drives elevator car 7 upward operation, the elevator well forms the piston effect, and well bottom forms negative pressure and leads to standing room layer air conditioner cold wind to get into in the elevator well through first one way check valve 4, and the hot air at well top is discharged the elevator well through second one way check valve 6 by the extrusion effect of elevator car 7 simultaneously to reach the effect of ventilating and cooling for the elevator well. As shown in fig. 2, when the elevator driving host 8 drives the elevator car 7 to move downwards, the piston effect formed by the elevator shaft causes the second one-way check valve 6 and the first one-way check valve 4 to be in a non-return closing state, air exchanges flow in the shaft, and the alternation of cold and heat is promoted, so that a certain shaft cooling effect can be achieved. The elevator shaft cooling principle is shown in fig. 3, and the elevator shaft cooling principle is circularly reciprocated in the process of running up and down, the air in the elevator shaft is continuously replaced by the air conditioning cold air of the hall layer, and the hot air at the top of the shaft is timely discharged out of the elevator shaft, so that a good shaft cooling effect can be achieved, the elevator driving host 8 is ensured to run at a reasonable environment temperature, the occurrence of overheat shutdown is prevented, the running reliability of the elevator can be improved, the operation service level of the elevator is ensured and improved, and the service life of the elevator can be effectively prolonged.
In addition, the present embodiment also needs to calculate the area requirement F of the air inlet with the one-way check valve, and the calculation method is as follows:
1. Calculate the total heat of the elevator hoistway Q d:
Qd＝Q1+Q2+Q3+Q4；
Q d -Total heat of the hoistway, kW; q 1 -total heat of the elevator shaft enclosure structure, kW; q 2 -the heat productivity of the elevator host machine, kW; q 3 -heat dissipation capacity of an air conditioner condenser at the top of the elevator car into a hoistway, kW; q 4 -the heat that the penetrating wind carries into the elevator hoistway, kW.
2. The cold quantity Q l of cold air introduced when the elevator is pulled upwards is calculated:
Ql＝C·Ll·ρ·tl；
Q l -introducing cold air cold quantity, kW when the elevator is pulled upwards; the specific heat capacity of the C-air at constant pressure is 1.01 kJ/(kg. DEG C); l l -cold air flow introduced when the elevator is pulled upwards, m 3/s; the density of ρ -air was 1.2kg/m 3;tl -air temperature was 28 ℃.
3. Calculation of heat balance points:
And is the heat balance point when Q l＝Qd. When Q l≥Qd, the cooling capacity of the cold air introduced during upward traction of the elevator can meet the cooling requirement of the elevator shaft.
4. Intake port area requirement with one-way check valve F:
F-the area of an air inlet with a one-way check valve, m 2; when the theta-elevator is pulled upwards, the airflow speed at the air inlet with the one-way check valve is m/s, and the airflow speed can be 2-3m/s; the shielding coefficient of the alpha-tuyere is preferably 0.8.
The beneficial technical effects of this embodiment are:
(1) The cooling treatment scheme for the elevator shaft is carried out by utilizing the air conditioner cold air in the subway station hall layer, so that the replacement of air in the elevator shaft is promoted and heat is discharged in time, and a good elevator shaft cooling effect is achieved;
(2) The problem that the host machine of the subway entrance elevator is overheated and stopped in summer high-temperature weather is solved well, the operation reliability of the elevator is improved, the operation service level of the elevator is guaranteed and improved, and the service life of the elevator can be prolonged effectively;
(3) Only two one-way check valves are newly added, the original structure of the elevator and the hoistway is not changed, the cost can be effectively controlled, the operation is simple and easy, and the method has higher popularization significance in the subway field and other relevant use fields of the elevator.
Although the foregoing embodiments have been described in some detail with reference to the accompanying drawings, it will be appreciated by those skilled in the art that various modifications and changes may be made thereto without departing from the scope of the utility model as defined in the appended claims, and thus are not repeated herein.
Claims (6)
1. The utility model provides a subway access & exit elevator well cooling structure which characterized in that: the elevator comprises an elevator shaft, wherein the elevator shaft consists of a concrete shaft arranged underground and a steel structure glass shaft arranged on the ground and connected with the concrete shaft, the concrete shaft is sequentially provided with a first elevator hall door and a first one-way check valve from bottom to top, an air inlet of the first one-way check valve is communicated with a hall layer entrance and exit channel, and an air outlet of the first one-way check valve is communicated with the concrete shaft; the steel structure glass well is equipped with second hoistway door and second one-way check valve from bottom to top in proper order, the air intake of second one-way check valve with steel structure glass well intercommunication, air outlet intercommunication outside atmosphere.
2. A subway entrance elevator hoistway cooling structure as defined in claim 1, wherein: the solar protection and heat insulation glass well is characterized in that a solar protection and heat insulation material layer is arranged at the top of the steel structure glass well, and a solar protection and heat insulation film is adhered to glass on the side face of the steel structure glass well.
3. A subway entrance elevator hoistway cooling structure as defined in claim 1, wherein: an elevator car is installed in the elevator hoistway, and is driven by an elevator driving host.
4. A subway entrance elevator hoistway cooling structure as defined in claim 1, wherein: and a rainproof shutter is arranged at the air outlet of the second one-way check valve.
5. A subway entrance elevator hoistway cooling structure as defined in claim 1, wherein: and a canopy is arranged above the second hoistway door, and is connected with the steel structure glass hoistway and positioned below the second one-way check valve.
6. A subway entrance elevator hoistway cooling structure as defined in claim 1, wherein: the concrete well is communicated with the water collecting well through the pre-buried drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322681910.8U CN221076660U (en) | 2023-10-08 | 2023-10-08 | Subway access & exit elevator well cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322681910.8U CN221076660U (en) | 2023-10-08 | 2023-10-08 | Subway access & exit elevator well cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221076660U true CN221076660U (en) | 2024-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322681910.8U Active CN221076660U (en) | 2023-10-08 | 2023-10-08 | Subway access & exit elevator well cooling structure |
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| Country | Link |
|---|---|
| CN (1) | CN221076660U (en) |
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2023
- 2023-10-08 CN CN202322681910.8U patent/CN221076660U/en active Active
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