CN115110578A - Electric control type positive accumulated temperature flow guide open cut tunnel structure for tunnel in seasonal frozen region and regulation and control method - Google Patents
Electric control type positive accumulated temperature flow guide open cut tunnel structure for tunnel in seasonal frozen region and regulation and control method Download PDFInfo
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- CN115110578A CN115110578A CN202210831927.4A CN202210831927A CN115110578A CN 115110578 A CN115110578 A CN 115110578A CN 202210831927 A CN202210831927 A CN 202210831927A CN 115110578 A CN115110578 A CN 115110578A
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- 230000001932 seasonal effect Effects 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000007710 freezing Methods 0.000 claims abstract description 14
- 230000008014 freezing Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 241000761557 Lamina Species 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000004321 preservation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000009746 freeze damage Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
- E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses an electric control type positive accumulated temperature diversion open cut tunnel structure of a tunnel in a seasonal freezing region and a regulation and control method. The invention has simple structure and can be suitable for open cut tunnels of different types.
Description
Technical Field
The invention belongs to the field of tunnel freeze injury prevention and control, and particularly relates to an electric control type positive accumulated temperature diversion open cut tunnel structure of a tunnel in a seasonal freezing region and a regulation and control method.
Background
The seasonal freezing problem of the tunnel is a main challenge facing traffic tunnels in the seasonal freezing area. With the continuous promotion of the construction process of traffic infrastructure, the number of tunnels in the seasonal freezing region increases year by year, the problem of freezing injury is endless, and immeasurable economic loss is caused.
The heat exchange between the near-hole section tunnel structure and the near-field surrounding rock medium and air medium is the reason for changing the temperature field of the hole section and inducing various freezing problems. The measures for preventing and controlling the freezing damage of the tunnel in the lower freezing area can be divided into passive prevention and control and active prevention and control. The passive prevention and control measure is to lay an insulating layer on the outer side of the tunnel or between the lining and the surrounding rock to isolate heat exchange between external air and a structure or the surrounding rock as much as possible, so that the aim of stabilizing a temperature field is fulfilled. The active prevention and control measure is based on a cold/heat accumulation thought, and the tunnel opening is provided with a heat preservation open cut tunnel, an air curtain and the like to isolate external cold air from entering the tunnel as much as possible, so that heat preservation of the tunnel opening section is realized.
The traditional heat preservation open cut tunnel is poor in performance in the aspect that external cold air is isolated from entering the tunnel due to the fact that the diversion effect of air cannot be achieved, the heat preservation effect is limited, and the application potential is insufficient.
Disclosure of Invention
The invention aims to overcome the defects and provides an electrically-controlled positive accumulated temperature diversion open cut tunnel structure of a tunnel in a seasonal freezing region and a regulation and control method, which can realize the diversion effect on cold/hot air, effectively isolate the cold air from entering the tunnel in winter, guide the hot air to enter the tunnel in summer, reduce the cold input, increase the heat input and effectively stabilize the temperature field at the tunnel portal section of the tunnel in the seasonal freezing region.
In order to achieve the purpose, an automatically controlled positive accumulated temperature water conservancy diversion open cut tunnel structure of district's tunnel freezes in season, including open cut tunnel structure frame, open cut tunnel structure frame's side is provided with a plurality of vertical pterygoid laminas, vertical pterygoid lamina includes the pterygoid lamina axostylus axostyle, be provided with the flange board on the pterygoid lamina axostylus axostyle, the board axostylus axostyle top is provided with the hinge, all hinge pass through hinged joint, hinged joint motor drive, open cut tunnel structure frame's top is provided with triple sensor, triple sensor connection control chip, control chip connects the motor.
The open cut tunnel structure frame comprises a plurality of single frames, each single frame comprises a frame cross beam, frame columns are arranged at two ends of each frame cross beam, and all the single frames are connected through longitudinal connecting beams.
The wing plate shaft lever is provided with a positioning bearing which is contacted with the longitudinal connecting beam.
The top of the open cut tunnel structure frame is covered with a top light-transmitting plate.
The bottom of the plate shaft lever is provided with a bearing sealing bottom plate.
The triple sensors comprise a wind speed sensor, a wind temperature sensor and a wind direction sensor.
The triple sensor is connected with the control chip through a data line, and the triple sensor and the control chip are connected with a power supply through a power line.
A method for regulating and controlling an electric control type positive accumulated temperature diversion open cut tunnel structure of a tunnel in a seasonal frozen region comprises the following steps:
in winter, closing a vertical wing plate at the air inlet side of the open cut tunnel structure frame, acquiring air speed, air temperature and air direction according to the triple sensors, and sending the air speed, the air temperature and the air direction to a control chip, wherein the control chip adjusts the angle of the vertical wing plate at the air outlet side of the open cut tunnel structure frame according to data acquired by the triple sensors, so that cold air is prevented from entering the tunnel;
in summer, the vertical wing plate on the air outlet side of the open cut tunnel structure frame is closed, the wind speed, the wind temperature and the wind direction are collected according to the triple sensors and are sent to the control chip, and the control chip adjusts the angle of the vertical wing plate on the air inlet side of the open cut tunnel structure frame according to data collected by the triple sensors and guides hot air to enter the tunnel.
The control chip controls the motor to rotate forwards or backwards, the motor drives the hinge to move, and the hinge drives the hinge wheels of all the vertical wing plates on the same side of the open cut tunnel structure frame to synchronously rotate so as to open or close the vertical wing plates.
Compared with the prior art, the invention realizes the diversion of external air through the movable wing plates, combines the data acquisition of the triple sensors and controls the chip to drive the motor to rotate, so that the vertical wing plates are opened and closed, thereby effectively preventing cold air from entering the tunnel in winter, guiding hot air into the tunnel in summer, playing the role of regulating and storing heat by surrounding rock media, and obviously improving the heat preservation effect of the heat preservation open cut tunnel structure. The invention has simple structure and can be suitable for open cut tunnels of different types.
The working method of the invention is to collect data in real time through the triple sensors at the top of the open cut tunnel structure frame, and the control chip is combined with the motor to control the motor to regularly adjust the angle of the vertical wing plate, so that the invention can adapt to variable meteorological conditions. The control method is simple, the installation is simple and convenient, the cost and the operation energy consumption are both lower, the heat preservation effect of the open cut tunnel can be fully exerted, and the application range is wide.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a frame of the open cut tunnel structure of the present invention;
FIG. 3 is a schematic view of a single frame according to the present invention;
FIG. 4 is a schematic view of the positioning bearing and the longitudinal coupling beam of the present invention;
FIG. 5 is a schematic view of a vertical wing panel according to the present invention;
FIG. 6 is a schematic view of the hinge wheel and motor of the present invention;
FIG. 7 is a schematic diagram of the operation of the present invention; (a) in winter, (b) in summer;
the open cut tunnel structure comprises a frame with a open cut tunnel structure 1, a single frame 2, a frame column 3, a frame column 4, a frame beam 5, a longitudinal connecting beam 6, a top light-transmitting plate 7, a positioning bearing 8, a vertical wing plate 9, a wing plate shaft rod 10, a bearing sealing bottom plate 11, a wing edge plate 12, a hinge wheel 13, a hinge 14, a motor 15, a control chip 16, a triple sensor 17, a power line 18 and a data line.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, 4, 5 and 6, an electrically controlled positive accumulated temperature diversion open cut tunnel structure for tunnels in a freezing region comprises an open cut tunnel structure frame 1, wherein a plurality of vertical wing plates 8 are arranged on the side surface of the open cut tunnel structure frame 1, each vertical wing plate 8 comprises a wing plate shaft rod 9, a wing plate edge plate 11 is arranged on each wing plate shaft rod 9, a hinge wheel 12 is arranged at the top of each plate shaft rod 9, all the hinge wheels 12 are connected through hinges 13, the hinges 13 are connected with a motor 14 for driving, a triple sensor 16 is arranged at the top of the open cut tunnel structure frame 1, the triple sensor 16 is connected with a control chip 15, and the control chip 15 is connected with the motor 14. The wing plate shaft lever 9 is provided with a positioning bearing 7, and the positioning bearing 7 is contacted with the longitudinal connecting beam 5. The bottom of the plate shaft rod 9 is provided with a bearing sealing bottom plate 10. The triple sensor 16 is connected to the control chip 15 through a data line 18, and the triple sensor 16 and the control chip 15 are connected to a power supply through a power supply line 17.
Referring to fig. 2 and 3, the open cut tunnel structure frame 1 comprises a plurality of single frames 2, each single frame 2 comprises a frame beam 4, frame columns 3 are arranged at two ends of each frame beam 4, and all the single frames 2 are connected through longitudinal connecting beams 5. The top of the open cut tunnel structure frame 1 is covered with a top transparent plate 6.
Preferably, the triplex sensors 16 include a wind speed sensor, a wind temperature sensor and a wind direction sensor.
The construction method of the invention is as follows:
step one, mounting a open cut tunnel structure frame 1 at a tunnel portal section, wherein a single frame 2 consists of frame columns 3 and frame cross beams 4, and assembling the open cut tunnel structure frame 1 into a space stress system through longitudinal connecting beams 5;
secondly, mounting a top light-transmitting plate 6 made of PVC material on the top of the frame structure;
step three, installing positioning bearings 7 on the upper and lower longitudinal connecting beams 5 of the connecting frame column according to a certain distance, wherein the distance is consistent with the width of the vertical wing plate 8;
fourthly, a vertical wing plate 8 is installed at the position of the positioning bearing 7, a wing plate shaft lever 9 extends out of the positioning bearing 7 at the upper part for a certain length, the wing plate shaft lever 9 is supported by a bearing sealing bottom plate 10 positioned at the bottom of the wing plate shaft lever 9, the bearing sealing bottom plate 10 is connected with the longitudinal connecting beam 5 through welding, and a light-transmitting wing edge plate 11 made of PVC material is fixed on the wing plate shaft lever 9 through screws;
fifthly, a hinge wheel 12 is arranged at the top of the shaft rod 9 of the wing plate, and the hinge wheel 12 is linked with a motor 14 through a hinge 13;
sixthly, mounting a control chip 15 on the tunnel structure at the hole;
step seven, mounting a triple sensor 16 for wind speed, wind temperature and wind direction on the upper part of the top plate of the open cut tunnel;
and step eight, arranging a power line 17 and a data line 18 to connect the triple sensor 16, the control chip 15 and the motor 14 and connecting a power supply.
A method for regulating and controlling an electric control type positive accumulated temperature diversion open cut tunnel structure of a tunnel in a freezing region comprises the following steps:
in winter, the vertical wing plate 8 at the air inlet side of the open cut tunnel structural frame 1 is closed, the air speed, the air temperature and the air direction are collected according to the triple sensors 16 and are sent to the control chip 15, the control chip 15 controls the motor 14 to rotate according to data collected by the triple sensors 16, the motor 14 drives the hinge 13 to move, the hinge 13 drives the hinge wheels 12 of all the vertical wing plates 8 at the same side on the open cut tunnel structural frame 1 to synchronously rotate, so that the angle of the vertical wing plate 8 at the air outlet side of the open cut tunnel structural frame 1 is adjusted, and cold air is prevented from entering the tunnel;
in summer, close the vertical pterygoid lamina 8 of open cut tunnel structural framework 1 air-out side, gather the wind speed according to triple sensor 16, wind temperature and wind direction, and send to in control chip 15, control chip 15 is according to the data that triple sensor 16 gathered, control chip 15 control motor 14 is rotatory, motor 14 drives hinge 13 and removes, hinge 13 drives hinge 12 synchronous rotation of all vertical pterygoid lamina 8 of homonymy on the open cut tunnel structural framework 1, thereby adjust the vertical pterygoid lamina 8 angle of the air-in side of open cut tunnel structural framework 1, guide hot-air gets into inside the tunnel.
Claims (9)
1. The utility model provides an automatically controlled positive accumulated temperature water conservancy diversion open cut tunnel structure in season frozen zone tunnel, a serial communication port, including open cut tunnel structural framework (1), the side of open cut tunnel structural framework (1) is provided with a plurality of vertical pterygoid laminas (8), vertical pterygoid lamina (8) include pterygoid lamina axostylus axostyle (9), be provided with flange board (11) on pterygoid lamina axostylus axostyle (9), board axostylus axostyle (9) top is provided with hinge (12), all hinge (12) are connected through hinge (13), motor (14) drive is connected in hinge (13), the top of open cut tunnel structural framework (1) is provided with triple sensor (16), triple sensor (16) connection control chip (15), control chip (15) connect motor (14).
2. The electric-control type positive temperature accumulation and diversion open cut tunnel structure of the tunnel in the seasonal frozen region as claimed in claim 1, wherein the open cut tunnel structure frame (1) comprises a plurality of single frames (2), the single frames (2) comprise frame beams (4), frame columns (3) are arranged at two ends of the frame beams (4), and all the single frames (2) are connected through longitudinal connecting beams (5).
3. The electric control type positive accumulated temperature diversion open cut tunnel structure of the tunnel in the seasonal frozen region according to claim 2, wherein a positioning bearing (7) is arranged on the wing plate shaft lever (9), and the positioning bearing (7) is in contact with the longitudinal connecting beam (5).
4. The electric control type positive accumulated temperature diversion open cut tunnel structure of the tunnel in the seasonal frozen region as claimed in claim 1, wherein a top light-transmitting plate (6) is covered on the top of the open cut tunnel structure frame (1).
5. The electric control type positive accumulated temperature diversion open cut tunnel structure of the tunnel in the seasonal frozen region according to claim 1, wherein a bearing sealing bottom plate (10) is arranged at the bottom of a plate shaft rod (9).
6. The electric control type positive accumulated temperature diversion open cut tunnel structure of the tunnel in the monsoon region according to claim 1, characterized in that the triple sensors (16) comprise a wind speed sensor, a wind temperature sensor and a wind direction sensor.
7. The electric control type positive accumulated temperature diversion open cut tunnel structure of the tunnel in the seasonal frozen region according to claim 1, wherein the triple sensor (16) is connected with the control chip (15) through a data line (18), and the triple sensor (16) and the control chip (15) are connected with a power supply through a power line (17).
8. The method for regulating and controlling the electric-control positive accumulated temperature diversion open cut tunnel structure of the tunnel in the seasonal frozen region according to claim 1, is characterized by comprising the following steps of:
in winter, the vertical wing plate (8) on the air inlet side of the open cut tunnel structure frame (1) is closed, the wind speed, the wind temperature and the wind direction are collected according to the triple sensor (16) and are sent to the control chip (15), and the control chip (15) adjusts the angle of the vertical wing plate (8) on the air outlet side of the open cut tunnel structure frame (1) according to data collected by the triple sensor (16) to prevent cold air from entering the tunnel;
in summer, the vertical wing plate (8) on the air outlet side of the open cut tunnel structure frame (1) is closed, the wind speed, the wind temperature and the wind direction are collected according to the triple sensor (16) and are sent to the control chip (15), and the control chip (15) adjusts the angle of the vertical wing plate (8) on the air inlet side of the open cut tunnel structure frame (1) according to data collected by the triple sensor (16) and guides hot air to enter the tunnel.
9. The method for regulating and controlling the electric-control positive accumulated temperature diversion open cut tunnel structure of the tunnel in the seasonal freezing region according to claim 8, wherein a control chip (15) controls a motor (14) to rotate forwards or backwards, the motor (14) drives a hinge (13) to move, and the hinge (13) drives hinge wheels (12) of all vertical wing plates (8) on the same side of a frame (1) of the open cut tunnel structure to synchronously rotate so as to open or close the vertical wing plates (8).
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CN202210831927.4A CN115110578B (en) | 2022-07-15 | 2022-07-15 | Electric control type positive accumulation temperature diversion open cut tunnel structure of tunnel in quaternary freezing area and regulation and control method |
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CN202210831927.4A CN115110578B (en) | 2022-07-15 | 2022-07-15 | Electric control type positive accumulation temperature diversion open cut tunnel structure of tunnel in quaternary freezing area and regulation and control method |
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CN115110578A true CN115110578A (en) | 2022-09-27 |
CN115110578B CN115110578B (en) | 2024-04-12 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11256603A (en) * | 1998-03-06 | 1999-09-21 | Ishikawajima Harima Heavy Ind Co Ltd | Construction method of horizontal low temperature tank |
KR101602473B1 (en) * | 2015-12-11 | 2016-03-15 | 이균봉 | Tunnel entering vehicle protection system ventilation function has been added |
CN106523013A (en) * | 2016-11-07 | 2017-03-22 | 重庆大学 | Subway station energy-saving ventilating system driven by natural differential pressure |
CN113153378A (en) * | 2021-03-30 | 2021-07-23 | 中交第一公路勘察设计研究院有限公司 | Open type cold-absorbing anti-melting structure of permafrost tunnel |
CN113586120A (en) * | 2021-08-31 | 2021-11-02 | 淮阴工学院 | Combined hot air jet heat preservation device for cold region tunnel and control method |
CN113790067A (en) * | 2021-09-13 | 2021-12-14 | 廊坊康平空调制造有限公司 | Multi-stage airflow combination cold and warm air isolation and heat preservation system for cold region tunnel |
CN216690010U (en) * | 2022-01-20 | 2022-06-07 | 陈丽和 | Building structure convenient to heat dissipation adjusts temperature |
-
2022
- 2022-07-15 CN CN202210831927.4A patent/CN115110578B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11256603A (en) * | 1998-03-06 | 1999-09-21 | Ishikawajima Harima Heavy Ind Co Ltd | Construction method of horizontal low temperature tank |
KR101602473B1 (en) * | 2015-12-11 | 2016-03-15 | 이균봉 | Tunnel entering vehicle protection system ventilation function has been added |
CN106523013A (en) * | 2016-11-07 | 2017-03-22 | 重庆大学 | Subway station energy-saving ventilating system driven by natural differential pressure |
CN113153378A (en) * | 2021-03-30 | 2021-07-23 | 中交第一公路勘察设计研究院有限公司 | Open type cold-absorbing anti-melting structure of permafrost tunnel |
CN113586120A (en) * | 2021-08-31 | 2021-11-02 | 淮阴工学院 | Combined hot air jet heat preservation device for cold region tunnel and control method |
CN113790067A (en) * | 2021-09-13 | 2021-12-14 | 廊坊康平空调制造有限公司 | Multi-stage airflow combination cold and warm air isolation and heat preservation system for cold region tunnel |
CN216690010U (en) * | 2022-01-20 | 2022-06-07 | 陈丽和 | Building structure convenient to heat dissipation adjusts temperature |
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