CN113969551B - Variable assembly separation device for station building - Google Patents
Variable assembly separation device for station building Download PDFInfo
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- CN113969551B CN113969551B CN202111038126.4A CN202111038126A CN113969551B CN 113969551 B CN113969551 B CN 113969551B CN 202111038126 A CN202111038126 A CN 202111038126A CN 113969551 B CN113969551 B CN 113969551B
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- railing
- stainless steel
- multifunctional partition
- steel frame
- control system
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- 238000000926 separation method Methods 0.000 title claims abstract description 18
- 238000005192 partition Methods 0.000 claims abstract description 46
- 239000011521 glass Substances 0.000 claims abstract description 33
- 229910001220 stainless steel Inorganic materials 0.000 claims description 26
- 239000010935 stainless steel Substances 0.000 claims description 26
- 239000002184 metal Substances 0.000 claims description 15
- 210000001503 joint Anatomy 0.000 claims 2
- 230000008859 change Effects 0.000 abstract description 7
- 238000002955 isolation Methods 0.000 abstract description 5
- 238000009423 ventilation Methods 0.000 abstract description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/02—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
- E01F13/022—Pedestrian barriers; Barriers for channelling or controlling crowds
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/02—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
- E01F13/024—Removable barriers with permanently installed base members, e.g. to provide occasional passage
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/71—Power-operated mechanisms for wings with automatic actuation responsive to temperature changes, rain, wind or noise
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
- E06B7/08—Louvre doors, windows or grilles
- E06B7/084—Louvre doors, windows or grilles with rotatable lamellae
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/146—Shutters
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention relates to the technical field of station building design, in particular to a station building variable assembly separation device, which comprises: at least one multifunctional partition railing and a central control system, wherein two adjacent multifunctional partition railings are detachably and hermetically connected; the two sides of the multifunctional partition railing are provided with temperature sensors, the lower part of the multifunctional partition railing is provided with rotatable glass shutters driven by a motor, the upper part of the multifunctional partition railing is provided with a display screen, the temperature sensors, the motor and the display screen are all electrically connected with a central control system, and the central control system is used for receiving information of a station room background for displaying and controlling the opening or closing of the rotatable glass shutters through temperature differences of the temperature sensors at the two sides. The variable assembly separation device for the station room realizes the closed isolation space or ventilation through the change of the multifunctional isolation railing, namely through changing the angle of the rotatable glass shutter, and meets different separation functions according to the change requirement of the indoor functions of a large space.
Description
Technical Field
The invention relates to the technical field of station building design, in particular to a station building variable assembly separation device.
Background
The existing middle-size and small-size station design continues the traditional modes of existing station separation, ticket purchasing, security inspection, waiting, ticket checking and station entering, and along with the improvement of speed acceleration and informatization of railway trains, the existing station design mode causes unnecessary waste of stations, redundant inconvenience of station management and complexity of passenger riding flows. The ticket purchasing forms are diversified, the popularization of paperless ticket swiping and entering is realized, the ticket selling hall use rate is low, and the station train broadcasting system management is respectively scattered, so that the unified dispatching of stations is inconvenient. Therefore, the combination of station passenger flows is urgent to innovate and reform the current medium and small station modes.
In particular, in a hall of a station building, the change of a streamline causes the change of a functional space combination, and a partition capable of performing an air conditioning function is needed, and the partition can be in the form of a railing when a specific passenger flow organization needs, and can be conveniently moved to a needed place when the passenger flow is changed greatly to cause large functional change, so that the partition becomes an information screen throwing facility for guiding passengers.
Disclosure of Invention
The invention provides a variable assembly separation device for a station building, which solves the technical problem of single facility function in a station building hall.
The invention provides a variable assembly separation device for station houses, which solves the technical problems and comprises: at least one multifunctional partition railing and a central control system, wherein two adjacent multifunctional partition railings are detachably and hermetically connected;
the multifunctional partition railing is characterized in that temperature sensors are arranged on two sides of the multifunctional partition railing, rotatable glass shutters driven by a motor are arranged on the lower portion of the multifunctional partition railing, a display screen is arranged on the upper portion of the multifunctional partition railing, the temperature sensors, the motor and the display screen are electrically connected with a central control system, and the central control system is used for receiving information of a station room background for displaying and controlling the opening or closing of the rotatable glass shutters through temperature differences of the temperature sensors on two sides.
Optionally, the multifunctional partition railing comprises a base, a hollowed-out stainless steel frame and rotatable glass shutters;
the base with the one end of stainless steel frame is dismantled and is connected, rotatable glass tripe is located in the fretwork stainless steel frame, and is connected through the rotation axis with the fretwork stainless steel frame.
Optionally, the base includes metal base groove main part, be equipped with the gleitbretter fixed slot in the metal base groove main part, be equipped with the metal gleitbretter in the gleitbretter fixed slot, be equipped with the rubber preforming in the metal gleitbretter, fretwork stainless steel frame inserts in the gleitbretter fixed slot, just the side of fretwork stainless steel frame with rubber preforming butt.
Optionally, the bottom of gleitbretter fixed slot is equipped with the spring, the bottom of fretwork stainless steel frame with the spring butt.
Optionally, the bottom of the base is provided with a caster with a brake.
Optionally, the both sides of base are equipped with the knob, the knob pass through the connecting rod with take the brake truckle to be articulated, knob rotation drive connecting rod drive and take the brake truckle to reciprocate.
Optionally, the apparatus further comprises a holographic projection device, which projects on the display screen.
The beneficial effects are that: the invention provides a station house variable assembly separation device, which comprises: at least one multifunctional partition railing and a central control system, wherein two adjacent multifunctional partition railings are detachably and hermetically connected; the two sides of the multifunctional partition railing are provided with temperature sensors, the lower part of the multifunctional partition railing is provided with rotatable glass shutters driven by a motor, the upper part of the multifunctional partition railing is provided with a display screen, the temperature sensors, the motor and the display screen are all electrically connected with a central control system, and the central control system is used for receiving information of a station room background for displaying and controlling the opening or closing of the rotatable glass shutters through temperature differences of the temperature sensors at the two sides. The variable assembly separation device for the station room realizes the closed isolation space or ventilation through the change of the multifunctional isolation railing, namely through changing the angle of the rotatable glass shutter, and meets different separation functions according to the change requirement of the indoor functions of a large space. On one hand, the closed isolation mode is used for matching with the functional streamline of a hall shared by the inflow and outflow people of the small and medium-sized stations in the railway; on the other hand, the ventilation mode can be suitable for improving the air comfort of multiple areas of the standing room, avoiding the excessive setting of the air conditioner to meet the most unfavorable areas, realizing the effects of saving energy and increasing comfort.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings. Specific embodiments of the present invention are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic view of a variable assembly divider for a station building according to the present invention;
FIG. 2 is a schematic view of a multi-functional partition rail of the present invention in two states;
FIG. 3 is an enlarged view of the barrier status of the multi-functional partition rail of the present invention;
FIG. 4 is an enlarged view of the ventilation status of the multi-functional partition rail of the present invention.
Reference numerals illustrate: the central control system 1, the base 2, the fretwork stainless steel frame 3, rotatable glass tripe 4, display screen 5, take brake truckle 6, metal base groove main part 7, gleitbretter fixed slot 8, metal gleitbretter 9, rubber preforming 10, spring 11.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention. The invention is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the invention will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 4, two multifunctional partition rails are spliced together to form a structure, and more structures can be spliced at two sides infinitely. The mode of inserting or bolting can be adopted. The invention provides a station house variable assembly separation device, which comprises: at least one multifunctional partition railing and a central control system 1, wherein two adjacent multifunctional partition railings are detachably and hermetically connected; the multifunctional partition railing is characterized in that temperature sensors are arranged on two sides of the multifunctional partition railing, rotatable glass louvers 4 driven by a motor are arranged on the lower portion of the multifunctional partition railing, a display screen 5 is arranged on the upper portion of the multifunctional partition railing, the temperature sensors, the motor and the display screen 5 are electrically connected with the central control system 1, and the central control system 1 is used for receiving information of a station house background for displaying and controlling on or off of the rotatable glass louvers 4 through temperature differences of the temperature sensors on two sides.
The device capable of flexibly changing the purposes can meet different separation functions according to the conversion needs of the indoor functions in a large space. The intelligent traffic control system is matched with the functional streamline of the entrance and exit people flow sharing hall of the small and medium-sized stations in the railway, and can be suitable for the following situations:
1. as barrier partition applications. In the peak period of passenger transport, the inflow and outflow people are large, at this time, all doors facing the station squares corresponding to the outflow openings are opened for rapidly evacuating passengers, and the inflow hall is the place where people and baggage subjected to security inspection are located. Therefore, physical separation is required in the entrance and exit halls to prevent the transfer of people from the exit halls to the entrance halls. The angle of the rotatable glass louvers 4 is adjusted by motor driving so that all the rotatable glass louvers 4 are spread out to form a barrier to separate the spaces.
2. As an air circulation application. When the air circulation needs to be carried out on different spaces in the station room, due to the fact that the density of people is high, after the physical separation of the dividing devices in the station entrance hall and the station exit hall, the spaces are relatively narrow, the air circulation performance is poor, and the induced air circulation needs to be carried out. At this time, the partition can be electrically regulated by the central control system 1 through the rotatable glass shutter 4, and the direction of the shutter can be intelligently regulated according to the passenger flow condition of the in-out station. The lower louver can realize the flow from less people (the general air is colder) to more people (the general air is hotter), and the flow forms the circulation flow with the top air, so that the air comfort of multiple areas of people is improved, the excessive setting of the air conditioner for meeting the most unfavorable areas is avoided, the energy is saved, and the comfort is increased.
Normally, the rotatable glass shutter 4 is closed. The rotatable glass shutter 4 arranged on the multifunctional partition railing forms an automatic control system through the central control system 1, a motor, a power line, a control line and a rotatable stainless steel connecting piece. When the temperature of the left side of the railing is high, the central control system 1 and the motor are started through the temperature sensor arranged on the central control system 1, and the rotatable glass shutter 4 is electrically opened towards the opposite side. When the temperature of the other side of the railing is high, the shutter is opened towards the side with low temperature through the central control system 1. Similarly, to avoid the continuous opening and closing of the rotatable glass shutter 4, the central control system 1 is provided with a temperature range, for example, the temperature difference between two sides of the railing is greater than 5 ℃ so as to open the shutter.
3. As a display announcement application. The apparatus further comprises a holographic projection device which projects on said display screen 5. In the peak period or emergency state of passenger traffic burst, temporary train number reminding or temporary various reminding needs to be added, and the broadcasting content is changed in real time by utilizing holographic projection equipment above the device (ceiling). Holographic projection glass over the partitions may also be activated at ordinary times, such as public welfare or commercial content. Or directly sends out information through the station background to control the display screen 5 to carry out electronic display.
As shown in fig. 2 to 4, the invention further provides a multifunctional partition railing, which comprises a base 2, a hollowed-out stainless steel frame 3 and rotatable glass shutters 4; the base 2 is detachably connected with one end of the stainless steel frame, and the rotatable glass shutter 4 is located in the hollowed-out stainless steel frame 3 and is connected with the hollowed-out stainless steel frame 3 through a rotating shaft. The base 2 bears the hollow stainless steel frame 3, the hollow stainless steel frame 3 is of a frame structure, the middle is hollow, a plurality of shafts are arranged on the frame, rotatable glass shutters 4 are arranged on each shaft, and the rotatable glass shutters 4 can rotate around the shafts to realize the function of completely isolating or ventilating the two sides of the multifunctional partition railing.
The passenger traffic is not in peak period, the people flow entering and exiting the station is not large, at this time, the number of people serving the entering and exiting the station can be reduced to a small number or even one, the corresponding door facing the station square at the exit is only opened with one-way door, and other doors are closed. The entrance hall and the exit hall form a large space, the visual field is required to be wide, and only the multifunctional partition rails are required to be separated, so that the passengers can be smoothly guided into and out of the streamline. The shutter part of the partition is adjusted to be in a vertical state, and a surface is formed after the shutter part is in the vertical state, so that the shutter is airtight.
Alternatively, the part is provided with a caster 6 with a brake. The multifunctional partition railing is convenient to move at any time, when the railing is moved, the bottom wheel is stretched down through the connecting rod and the rotary button and can slide along the ground, so that the railing can be moved to a set position very easily or collected. The display screen can be adjusted to be used for playing emergency information to remind passengers.
Alternatively, the base 2 includes a metal base groove body 7, a slide fixing groove 8 is provided on the metal base groove body 7, a metal slide 9 is provided in the slide fixing groove 8, a rubber pressing sheet 10 is provided in the metal slide 9, the hollowed stainless steel frame 3 is inserted into the slide fixing groove 8, and the side edge of the hollowed stainless steel frame 3 is abutted to the rubber pressing sheet 10. The bottom of gleitbretter fixed slot 8 is equipped with spring 11, the bottom of fretwork stainless steel frame 3 with spring 11 butt. Regardless of the height of the railing, the integral base 2 arrangement may be employed. Like this, when changing fretwork stainless steel frame 3, through spring 11, rubber preforming 10, metal gleitbretter 9, gleitbretter fixed slot 8, can block glass, prevent to drop. If the glass is taken out, the glass can be pulled out by downward force. By adopting the structural mode, the glass can be prevented from being fixed and dead and can not be disassembled.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way; those skilled in the art will readily appreciate that the present invention may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present invention are possible in light of the above teachings without departing from the scope of the invention; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present invention still fall within the scope of the present invention.
Claims (4)
1. A variable fitting divider for a station building, comprising: at least one multifunctional partition railing and a central control system, wherein two adjacent multifunctional partition railings are detachably and hermetically connected;
the multifunctional partition railing is characterized in that temperature sensors are arranged on two sides of the multifunctional partition railing, rotatable glass shutters driven by a motor are arranged on the lower part of the multifunctional partition railing, a display screen is arranged on the upper part of the multifunctional partition railing, the temperature sensors, the motor and the display screen are electrically connected with the central control system, and the central control system is used for receiving information of a station room background for displaying and controlling the opening or closing of the rotatable glass shutters through temperature differences of the temperature sensors on two sides;
the multifunctional partition railing comprises a base, a hollowed-out stainless steel frame and rotatable glass shutters;
the base is detachably connected with one end of the stainless steel frame, and the rotatable glass shutter is positioned in the hollowed-out stainless steel frame and is connected with the hollowed-out stainless steel frame through a rotating shaft;
the base comprises a metal base groove main body, wherein a sliding sheet fixing groove is formed in the metal base groove main body, a metal sliding sheet is arranged in the sliding sheet fixing groove, a rubber pressing sheet is arranged in the metal sliding sheet, the hollowed stainless steel frame is inserted into the sliding sheet fixing groove, and the side edge of the hollowed stainless steel frame is in butt joint with the rubber pressing sheet;
the bottom of the sliding sheet fixing groove is provided with a spring, and the bottom of the hollowed stainless steel frame is in butt joint with the spring.
2. A variable assembly divider for a station building according to claim 1, wherein the base bottom has a portion provided with casters with brakes.
3. The variable assembly separation device for the station building according to claim 2, wherein the knobs are arranged on two sides of the base, the knobs are hinged with the casters with brakes through connecting rods, and the knobs rotate to drive the connecting rods to drive the casters with brakes to move up and down.
4. A station building variable fitting separation device according to claim 1, further comprising a holographic projection device, the holographic projection device projecting onto the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111038126.4A CN113969551B (en) | 2021-09-06 | 2021-09-06 | Variable assembly separation device for station building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111038126.4A CN113969551B (en) | 2021-09-06 | 2021-09-06 | Variable assembly separation device for station building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113969551A CN113969551A (en) | 2022-01-25 |
| CN113969551B true CN113969551B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111038126.4A Active CN113969551B (en) | 2021-09-06 | 2021-09-06 | Variable assembly separation device for station building |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2521361Y (en) * | 2001-06-30 | 2002-11-20 | 罗芳艳 | Up-down multi-function balcony guard rail |
| AT512791B1 (en) * | 2012-05-22 | 2013-11-15 | Manfred Prem | System railings |
| CN209941541U (en) * | 2018-12-03 | 2020-01-14 | 中铁建工集团有限公司 | Firm portable railing |
| CN210616494U (en) * | 2019-09-27 | 2020-05-26 | 镇江伟益五金有限公司 | Tire mold is rack for antifriction plate |
| CN211396897U (en) * | 2019-10-24 | 2020-09-01 | 杭州春绿装饰工程有限公司 | Aluminum alloy artistic railing |
| CN214116412U (en) * | 2020-11-01 | 2021-09-03 | 金华实验中学 | Lane isolation device capable of being adjusted according to people flow |
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| CN113969551A (en) | 2022-01-25 |
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