Keel structure of revolving door

Abstract

The utility model relates to the technical field of revolving door keels, and provides a revolving door keel structure, which comprises a central shaft used for supporting the rotation of a revolving door; the door leaves are used for rotating around the central shaft, and each door leaf is composed of safety glass and a metal frame; the keel system is used for connecting the door leaves, and the keel system is made of high-strength metal; the driving system is arranged on the keel system and used for controlling the door leaf to rotate; and the control system is used for automatically controlling opening or closing of the door leaf. By means of the technical scheme, the problem that in the prior art, a center shaft and a keel system of a revolving door cannot provide enough stability possibly, and consequently a door leaf shakes or deforms in structure is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of revolving door keels, and in particular to a revolving door keel structure. Background Art

[0002] In modern architecture, revolving doors are widely used in commercial, office, and public facilities due to their aesthetic appeal, energy efficiency, and high traffic efficiency. However, existing revolving doors have several drawbacks, primarily manifested in the following aspects: Under high loads or extreme operating conditions, the central axis and keel system of existing revolving doors may not provide sufficient stability, causing the door leaf to wobble or structural deformation, or the materials used may be too strong, resulting in high costs. Utility Model Content

[0003] The utility model provides a revolving door keel structure, which solves the problem in the related art that the central axis and keel system of the revolving door may not provide sufficient stability, resulting in door leaf shaking or structural deformation.

[0004] The technical solution of the utility model is as follows:

[0005] A revolving door keel structure, comprising:

[0006] The central axis is used to support the rotation of the revolving door;

[0007] There are a plurality of door leaves, each of which is used to rotate around the central axis, and each of which is composed of safety glass and a metal frame;

[0008] A keel system, used to connect the door leaves, wherein the keel system is made of high-strength metal;

[0009] A drive system, provided on the keel system, for controlling the rotation of the door leaf;

[0010] A control system is used to automatically control the opening or closing of the door leaf.

[0011] As a further technical solution, the central axis and keel system are designed with an emergency stop function.

[0012] As a further technical solution, anti-pinch devices are installed between the door leaves and between the door leaves and the keel system frame, and the anti-pinch devices are used to prevent pinching injuries during use.

[0013] As a further technical solution, the keel system has a sealing structure.

[0014] As a further technical solution, the drive system includes:

[0015] The limiting device is used to ensure that the door leaf does not exceed a predetermined position when opening and closing.

[0016] As a further technical solution, the load-bearing capacity of the central shaft is F 轴， The diameter of the central axis is D 轴 , the yield strength of the central axis material is S 屈 , safety factor is L, F 轴 =D 3 轴 ·S 屈 / 32·L.

[0017] As a further technical solution, the total moment of inertia of the door leaf is I, the number of the door leaf is n, and the width of the door leaf is W. 门扇 , the mass of one door leaf is m 门扇 , the torque at the door leaf edge is τ, T MAX is the maximum torque of the door leaf, I = 1 / 2·m 门扇 W 2 门扇 n,τ=T MAX ·D 轴 / 2.

[0018] As a further technical solution, Q 泄漏 is the leakage flow through the door leaf seal at a specific pressure difference, Q 标准 is the reference flow rate under standard conditions, and the sealing performance index of the sealing structure is P 密封 , P 密封 =Q 泄露 / Q 标准 .

[0019] The working principle and beneficial effects of the utility model are as follows:

[0020] In this embodiment, by adopting a keel system made of high-strength metal, the overall stability and durability of the revolving door are significantly improved, and the structural stability and smooth operation of the door leaf can be maintained even under high load or extreme usage conditions.

[0021] Improved safety: The central axis and keel system designed with emergency stop function can respond quickly in an emergency and stop the operation of the revolving door in time, thereby effectively reducing safety risks and protecting the safety of pedestrians. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The preferred embodiments will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present invention.

[0023] Figure 1This is a schematic diagram of the structure of the utility model.

[0024] In the figure: 1. Center axis, 2. Revolving door, 3. Door leaf, 4. Keel system, 5. Drive system, 6. Control system. DETAILED DESCRIPTION

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, they can also be understood as further technical solutions without paying creative work. In some figures, components with the same structure or function are schematically illustrated, or only one of them is marked. In this article, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0026] It should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they can refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0027] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0028] Reference Figure 1 , is an embodiment of the present utility model, and proposes

[0029] A revolving door 2-keel structure, comprising:

[0030] The central shaft 1 is used to support the rotation of the revolving door 2;

[0031] There are several door leaves 3, which are used to rotate around the central axis 1. The door leaves 3 are composed of safety glass and metal frames;

[0032] A keel system 4 is used to connect the door panels 3. The keel system 4 is made of high-strength metal.

[0033] The drive system 5 is provided on the keel system 4 and is used to control the rotation of the door leaf 3;

[0034] The control system 6 is used to automatically control the opening or closing of the door leaf 3.

[0035] Furthermore, the central shaft 1 and the keel system 4 are designed with an emergency stop function.

[0036] Furthermore, anti-pinch devices are installed between the door leaves 3 and between the door leaves 3 and the keel system 4 frame, and the anti-pinch devices are used to prevent pinching injuries during use.

[0037] Furthermore, the keel system 4 has a sealed structure.

[0038] Furthermore, the drive system 5 includes:

[0039] The limiting device is used to ensure that the door leaf 3 does not exceed a predetermined position when opening and closing.

[0040] Furthermore, the load-bearing capacity of the central shaft 1 is F 轴， The diameter of the central axis 1 is D 轴 , the yield strength of the central axis 1 material is S 屈 , safety factor is L, F 轴 =D 3 轴 ·S 屈 / 32·L.

[0041] Furthermore, the total moment of inertia of the door leaf 3 is I, the number of door leaves 3 is n, and the width of the door leaf 3 is W. 门扇 , the mass of a door leaf 3 is m 门扇 , the torque at the edge of door leaf 3 is τ, T MAX The maximum torque of the door leaf 3, I = 1 / 2 m 门扇 W 2 门扇 n,τ=T MAX ·D 轴 / 2.

[0042] Further, Q 泄漏 is the leakage flow through the door leaf 3 seal at a specific pressure difference, Q 标准 It is the reference flow rate under standard conditions. The sealing performance index of the sealing structure is P 密封 , P 密封 =Q 泄露 / Q 标准 .

[0043] In this embodiment, by adopting the keel system 4 made of high-strength metal, the overall stability and durability of the revolving door 2 are significantly improved, and the structural stability and smooth operation of the door leaf 3 can be maintained even under high load or extreme usage conditions.

[0044] Improved safety: The central axis 1 and keel system 4 designed with an emergency stop function can respond quickly in an emergency and stop the operation of the revolving door 2 in time, thereby effectively reducing safety risks and protecting the safety of pedestrians.

[0045] Central axis 1 algorithm for the emergency stop function:

[0046] Emergency stop function control algorithm

[0047] enter:

[0048] -emergency_signal: Emergency stop signal, Boolean value, triggered by external sensor or manual button.

[0049] -rotation_speed: Current rotation speed of door leaf 3.

[0050] -door_status: The current status of door leaf 3. Possible states include "stationary", "rotating", and "stopped".

[0051] Output:

[0052] -motor_control_signal: Motor control signal, used to control the rotation of door leaf 3.

[0053] initialization:

[0054] -Set door_status to "stationary".

[0055] - Set motor_control_signal to "stop".

[0056] When emergency_signal is received and it is true, the following steps are performed:

[0057] 1. If door_status is "rotating":

[0058] a. Set door_status to "Stopped".

[0059] b. Send motor_control_signal to "emergency brake" to quickly decelerate door leaf 3.

[0060] c. Record the emergency stop time emergency_stop_time.

[0061] 2. If door_status is "Stopped" or "Standstill":

[0062] a. Keep motor_control_signal set to "stop".

[0063] b. Keep door_status at its current state.

[0064] 3. Wait for the door leaf to come to a complete stop and check whether rotation_speed drops to zero.

[0065] 4. Once the door leaf stops, keep motor_control_signal to "stop" until a reset signal is received.

[0066] 5. If the emergency situation is resolved and a reset signal is received:

[0067] a. Reset door_status to "stationary".

[0068] b. Reset motor_control_signal to "stop".

[0069] c. Record the emergency stop release time emergency_reset_time.

[0070] 6. If the system needs to be restarted:

[0071] a. Check if door_status is "stationary".

[0072] b. If yes, send motor_control_signal to "start" to restart the door leaf 3 rotation.

[0073] Finish

[0074] Optimized anti-pinch performance: The anti-pinch device installed between the door leaves 3 and between the door leaves 3 and the keel system 4 frame can respond quickly when an obstacle is detected, effectively preventing pinching during use and improving the safety of the revolving door.

[0075] Enhanced sealing: The sealing structure design of the keel system 4 effectively isolates external wind and noise by controlling the gap between the door leaves 3, thereby improving the comfort of the indoor environment and the energy-saving effect of the revolving door 2.

[0076] Precisely control the position of the door leaf 3: The setting of the limit device ensures that the door leaf 3 can accurately stop at the predetermined position when opening and closing, avoiding excessive rotation of the door leaf 3 and improving the service life and operating efficiency of the revolving door 2.

[0077] Improve the load-bearing capacity: The load-bearing capacity of the central axis is calculated by the formula F 轴 =D 轴 3 ·S 屈服 / 32·L,F 轴Precise calculations ensure the strength and safety of the axis, adapting to the needs of revolving doors of different sizes and frequencies of use.

[0078] Optimize rotation performance: The total moment of inertia of the door leaf 3 is calculated by the formula I = 1 / 2m 门扇 W 门扇 2 n, edge torque τ = T MAX ·D 轴 , 2τ=T MAX 2D 轴 The calculation enables the drive system 6 to provide appropriate torque to achieve smooth and efficient rotation of the door leaf 3.

[0079] Improve sealing performance evaluation: Sealing performance index P 密封 =Q 泄露 / Q 标准 , P 密封 The introduction of provides a quantitative evaluation for the sealing performance of the revolving door 2, ensuring the performance of the revolving door 2 in isolating the interference of the external environment.

[0080] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. A revolving door keel structure, characterized in that: include: A central shaft (1) for supporting the rotation of the revolving door (2); There are a plurality of door leaves (3), wherein the plurality of door leaves (3) are used to rotate around the central axis (1), and the door leaves (3) are composed of safety glass and a metal frame; A keel system (4) for connecting the door leaves (3), wherein the keel system (4) is made of high-strength metal; A drive system (5) is provided on the keel system (4) and is used to control the rotation of the door leaf (3); A control system (6), wherein the control system (6) is used to automatically control the opening or closing of the door leaf (3).

2. The revolving door keel structure according to claim 1, characterized in that: The central shaft (1) and the keel system (4) are designed with an emergency stop function.

3. The revolving door keel structure according to claim 1, characterized in that: Anti-pinch devices are installed between the door leaves (3) and between the door leaves (3) and the keel system (4) frame, and the anti-pinch devices are used to prevent pinching injuries during use.

4. The revolving door keel structure according to claim 1, characterized in that: The keel system (4) has a sealing structure.

5. The revolving door keel structure according to claim 1, characterized in that: The drive system (5) comprises: The limiting device is used to ensure that the door leaf does not exceed a predetermined position when opening and closing.

6. The revolving door keel structure according to claim 1, characterized in that: The load-bearing capacity of the central shaft (1) is F 轴， The diameter of the central axis (1) is D 轴 , the yield strength of the central axis (1) material is S 屈 , safety factor is L, F 轴 =D 3 轴 ·S 屈 / 32·L.

7. The revolving door keel structure according to claim 1, characterized in that: The total moment of inertia of the door leaf (3) is I, the number of the door leaf (3) is n, and the width of the door leaf (3) is W. 门扇 , the mass of one of the door leaves (3) is m 门扇 , the torque at the edge of the door leaf (3) is τ, T MAX is the maximum torque of the door leaf (3), I=1 / 2·m 门扇 W 2 门扇 n,τ=T MAX ·D 轴 / 2.

8. The revolving door keel structure according to claim 4, characterized in that: Q 泄漏 is the leakage flow through the door leaf seal at a specific pressure difference, Q 标准 is the reference flow rate under standard conditions, and the sealing performance index of the sealing structure is P 密封 , P 密封 =Q 泄露 / Q 标准 .

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