A roof snow pressure monitoring device with windproof function

CN224667983UActive Publication Date: 2026-08-21SHANGHAI METEOROLOGICAL INSTR FACTORY CO LTD
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Patent Information

Application Number
CN202522344244.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-05
Publication Date
2026-08-21
Estimated Expiration
2035-11-05

AI Technical Summary

Technical Problem

[0003]然而,在结构设计上,部分防风装置如起重机加轨器占地面积大,无法适配屋顶小面积场景,部分专利虽采用双栅结构,但由于信号编码,其栅间距固定且布局冗余,难以适应斜面屋顶的暗转需求,同时,密闭挡雪装置会改变积雪自然分布,导致测量值与实际屋面雪压不一致,现有开放式传感器因无防风阻隔,强风下积雪易脱落,导致数据波动,而密闭结构虽防风但无法保证积雪自然堆积,测量结果偏离实际荷载,这些问题的根本原因在于现有技术多采用单一功能导向设计,未实现防风、积雪保持与精准测量的协同优化,机械夹持装置侧重抗风能力,却忽略了对传感器微振动的隔离,加热或反射融雪方案破坏积雪自然状态,导致数据失真,双栅结构在其他领域的应用仅服务于信号处理或电学性能,未结合流体力学特性优化防风与积雪保持的平衡,因此,本领域的技术人员提供了一种具有防风功能的屋面雪压监测装置,以解决上述背景技术中提出的问题

Benefits of technology

1、本实用新型中,通过设置监测结构,通过积雪堆积在雪压传感器顶板的上端,随着重力压持雪压传感器顶板对称重传感器的压持,通过称重传感器和变送器配合实现对积雪的重量进行实时监测,积雪防落网罩结构可有效避免积雪堆积至临界重量时因重力作用导致的滑落隐患,保证设备的测量精度。

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Abstract

The utility model relates to the field of electrical cabinet discloses a roof snow pressure monitoring devices with windproof function, including monitoring structure, the lower extreme of monitoring structure is provided with leveling structure, the lower extreme of leveling structure is provided with stand, the lower extreme of stand is provided with bottom plate, the lower extreme of bottom plate is fixedly connected with roof fixed clamp respectively in four diagonal places, the utility model discloses, through setting up monitoring structure, when the snow accumulation is in the upper end of snow pressure sensor top plate, with the pressure holding of gravity pressure holding snow pressure sensor top plate symmetry weight sensor, through the cooperation of weighing sensor and transmitter, the weight of the snow accumulation is monitored in real time, and the snow accumulation prevents the falling net cover structure can effectively avoid the sliding hazard caused by gravity when the snow accumulation reaches the critical weight, guaranteeing the measuring accuracy of equipment.
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Description

Technical Field

[0001] This utility model relates to the field of building safety, and in particular to a roof snow pressure monitoring device with windproof function. Background Technology

[0002] With global climate change and the increasing frequency of extreme weather events, the increased snowfall in winter has led to a significant increase in the snow load on building roofs. Roof snow pressure refers to the vertical pressure formed by the accumulation of snow on the roof of a building. Excessive snow pressure may cause serious damage to the building structure and even cause safety accidents such as roof collapse. The problem of snow accumulation in winter is particularly prominent in cold or high-altitude areas.

[0003] However, in terms of structural design, some windproof devices, such as crane rail extenders, occupy a large area and cannot be adapted to small roof areas. While some patents employ a double-grid structure, the fixed grid spacing and redundant layout due to signal encoding make it difficult to meet the concealed turning requirements of sloping roofs. Furthermore, sealed snow-blocking devices alter the natural distribution of snow accumulation, leading to discrepancies between measured values ​​and actual roof snow pressure. Existing open sensors, lacking wind protection, are prone to snowfall in strong winds, causing data fluctuations. While sealed structures offer wind protection, they cannot guarantee natural snow accumulation, resulting in measurement results deviating from the actual load. The root causes of these problems... The reason for this is that existing technologies mostly adopt a single-function-oriented design, failing to achieve synergistic optimization of wind protection, snow retention, and accurate measurement. Mechanical clamping devices focus on wind resistance but neglect the isolation of sensor micro-vibrations. Heating or reflective snow melting schemes disrupt the natural state of snow accumulation, leading to data distortion. The application of dual-grid structures in other fields only serves signal processing or electrical performance, without combining fluid dynamics characteristics to optimize the balance between wind protection and snow retention. Therefore, those skilled in the art provide a roof snow pressure monitoring device with wind protection function to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a roof snow pressure monitoring device with windproof function. By setting up a monitoring structure, snow accumulates on the top plate of the snow pressure sensor. As gravity presses down on the top plate of the snow pressure sensor, the weight of the snow is monitored in real time through the cooperation of the weighing sensor and the transmitter.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a roof snow pressure monitoring device with windproof function, comprising a monitoring structure, a leveling structure at the lower end of the monitoring structure, a column at the lower end of the leveling structure, a base plate at the lower end of the column, and roof fixing clips fixedly connected to the lower end of the base plate at four opposite corners. The monitoring structure includes a snow pressure sensor mounting box. A transmitter and a load cell are installed inside the snow pressure sensor mounting box. The lower end of the load cell is fixedly connected to the lower inner wall of the snow pressure sensor mounting box. One side wall of the transmitter is fixedly connected to one inner side wall of the snow pressure sensor mounting box. A snow pressure sensor top plate is provided at the center of the upper end face of the snow pressure sensor mounting box. The lower end of the snow pressure sensor top plate penetrates through the upper end face of the snow pressure sensor mounting box and extends into the interior, and its end is connected to the load cell. The above technical solution involves setting up a monitoring structure. As snow accumulates on the top plate of the snow pressure sensor, gravity presses down on the top plate of the snow pressure sensor, thus enabling real-time monitoring of the weight of the snow through the cooperation of the weighing sensor and the transmitter.

[0006] Furthermore, the monitoring structure also includes an inner windproof ring and an outer windproof ring. The inner windproof ring is fitted and fixedly connected to the upper part of the center of the side wall of the column, and the outer windproof ring is fitted and fixedly connected to the center of the side wall of the column. The outer windproof ring and the inner windproof ring have the same shape, and the diameter of the outer windproof ring is larger than the diameter of the inner windproof ring. The above technical solution employs a physical barrier design with inner and outer double-layer grids. The combination of the inner and outer windproof rings can significantly reduce the interference of wind vibration on data acquisition, ensuring the stable operation of the equipment in high wind speed environments.

[0007] Furthermore, a snow sensor cover is fixedly connected to the upper end of the snow pressure sensor top plate, and an anti-falling device is fixedly connected to the lower end of the leveling structure. The anti-falling device and the snow sensor cover have the same diameter, and a snow-accumulating anti-falling net is fitted together on the outside of the anti-falling device and the snow sensor cover. Through the above technical solutions, the snow cover structure can effectively avoid the risk of snow falling due to gravity when the snow accumulates to a critical weight, thus ensuring the measurement accuracy of the equipment.

[0008] Furthermore, the upper and lower ends of the column are detachably connected to the leveling structure and the base plate, respectively. The above technical solution ensures convenience during installation through detachable connection, and also allows for the replacement of columns of different lengths according to the specific conditions of the roof.

[0009] Furthermore, the leveling structure includes an adjustment platform, which is fixedly connected to the lower end face of the monitoring structure. The lower end face of the adjustment platform has a plurality of leveling feet arranged in a circular array near the edge. The upper ends of the plurality of leveling feet pass through the lower end face of the adjustment platform and lead to the upper end respectively. A fixing plate is provided at the lower ends of the plurality of leveling feet. The above technical solution allows for adjustment of the leveling platform's horizontal position by adjusting the leveling feet, depending on the placement location.

[0010] Furthermore, all of the aforementioned leveling feet are connected to the leveling platform by threads; The above technical solution allows for easy adjustment of the tilt angle of the platform according to different placement positions.

[0011] This utility model has the following beneficial effects: 1. In this utility model, by setting up a monitoring structure, snow accumulates on the top plate of the snow pressure sensor. As gravity presses down on the top plate of the snow pressure sensor, the weight of the snow is monitored in real time through the cooperation of the weighing sensor and the transmitter. The snow-proof net cover structure can effectively avoid the risk of snow falling due to gravity when the snow accumulates to the critical weight, thus ensuring the measurement accuracy of the equipment.

[0012] 2. In this utility model, by setting a leveling structure, the leveling feet can be adjusted to adjust the level of the upper platform according to different placement positions. Even if installed on a sloping roof, the device can still achieve manual leveling calibration of the sensor through the built-in leveling structure, ensuring measurement accuracy from the installation stage. Attached Figure Description

[0013] Figure 1 This is an isometric view of a roof snow pressure monitoring device with windproof function proposed in this utility model; Figure 2 Another perspective is shown in the isometric view of a roof snow pressure monitoring device with windproof function proposed in this utility model. Figure 3 This is a front view of the leveling structure in a roof snow pressure monitoring device with windproof function proposed in this utility model; Figure 4 This is a rear sectional view of the snow pressure sensor fixing box in a roof snow pressure monitoring device with windproof function proposed in this utility model.

[0014] Legend: 1. Monitoring Structure; 101. Outer Windproof Ring; 102. Inner Windproof Ring; 103. Snow Top Sensor Cover; 104. Snowfall Prevention Net; 105. Anti-falling Device; 106. Snow Pressure Sensor Top Plate; 107. Snow Pressure Sensor Fixing Box; 108. Transmitter; 109. Weighing Sensor; 2. Leveling Structure; 201. Fixing Plate; 202. Leveling Feet; 203. Adjustment Platform; 3. Roof Fixing Clip; 4. Column; 5. Base Plate. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Reference Figure 1-4 An embodiment of this utility model is provided: a roof snow pressure monitoring device with windproof function, including a monitoring structure 1, a leveling structure 2 is provided at the lower end of the monitoring structure 1, a column 4 is provided at the lower end of the leveling structure 2, a base plate 5 is provided at the lower end of the column 4, and a roof fixing clip 3 is fixedly connected to the lower end of the base plate 5 at the four opposite corners. The monitoring structure 1 includes a snow pressure sensor mounting box 107. Inside the snow pressure sensor mounting box 107, a transmitter 108 and a load cell 109 are installed. The lower end of the load cell 109 is fixedly connected to the lower inner wall of the snow pressure sensor mounting box 107, and one side wall of the transmitter 108 is fixedly connected to one inner side wall of the snow pressure sensor mounting box 107. A snow pressure sensor top plate 106 is provided at the center of the upper end face of the snow pressure sensor mounting box 107. The lower end of the snow pressure sensor top plate 106 passes through the upper end face of the snow pressure sensor mounting box 107 and extends into the interior, and the end is connected to the load cell 109. As snow accumulates on the upper end of the snow pressure sensor top plate 106, the weight of the snow accumulation is monitored in real time by the cooperation of the load cell 109 and the transmitter 108.

[0017] The monitoring structure 1 also includes an inner windproof ring 102 and an outer windproof ring 101. The inner windproof ring 102 is fitted and fixedly connected to the upper part of the center of the side wall of the column 4, and the outer windproof ring 101 is fitted and fixedly connected to the center of the side wall of the column 4. The outer windproof ring 101 and the inner windproof ring 102 have the same shape, and the diameter of the outer windproof ring 101 is larger than the diameter of the inner windproof ring 102. The physical barrier design of the inner and outer double-layer grid is adopted. The cooperation of the inner windproof ring 102 and the outer windproof ring 101 can significantly reduce the interference of wind vibration on data acquisition and ensure the stable operation of the equipment in high wind speed environment.

[0018] The upper end of the snow pressure sensor top plate 106 is fixedly connected to the snow top sensor cover 103, and the lower end of the leveling structure 2 is fixedly connected to the anti-fall device 105. The anti-fall device 105 and the snow top sensor cover 103 have the same diameter. A snow accumulation anti-fall net 104 is fitted on the outside of the anti-fall device 105 and the snow top sensor cover 103. The snow accumulation anti-fall net 104 can effectively avoid the risk of slippage caused by gravity when the snow accumulates to the critical weight, and ensure the measurement accuracy of the equipment.

[0019] The upper and lower ends of the column 4 are detachably connected to the leveling structure 2 and the base plate 5, respectively. The detachable connection ensures convenience during installation, and different lengths of the column 4 can be replaced according to the specific conditions of the roof.

[0020] The leveling structure 2 includes an adjustment platform 203, which is fixedly connected to the lower end face of the monitoring structure 1. The lower end face of the adjustment platform 203 has multiple leveling feet 202 arranged in a circular array near the edge. The upper ends of the multiple leveling feet 202 pass through the lower end face of the adjustment platform 203 and lead to the upper end. A fixing plate 201 is provided at the lower end of the multiple leveling feet 202. The leveling platform 203 is adjusted by adjusting the leveling feet 202 according to the different placement positions. The multiple leveling feet 202 and the adjustment platform 203 are all connected by threads. The threaded connection is to facilitate the adjustment of the tilt angle of the adjustment platform 203 according to the different placement positions.

[0021] Working Principle: This utility model is a roof snow pressure monitoring device with windproof function. When snow accumulates on the top plate 106 of the snow pressure sensor, the weight sensor 109 is pressed down by gravity on the top plate 106 of the snow pressure sensor. The weight sensor 109 and the transmitter 108 work together to realize real-time monitoring of the weight of the snow. The physical barrier design of the inner and outer double-layer grid, with the inner windproof ring 102 and the outer windproof ring 101 working together, can significantly reduce the interference of wind vibration on data acquisition, ensuring the stable operation of the equipment in high wind speed environment. The snow fall prevention net 104 structure can effectively avoid the risk of snow falling due to gravity when the snow accumulates to the critical weight, ensuring the measurement accuracy of the equipment. Depending on the placement position, the leveling feet 202 are adjusted to adjust the level of the upper platform 203. Even when installed on a sloping roof, the equipment can still realize manual level calibration of the sensor through the built-in leveling structure 2, ensuring measurement accuracy from the installation stage.

[0022] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A roof snow pressure monitoring device with windproof function, comprising a monitoring structure (1), characterized in that: The monitoring structure (1) is provided with a leveling structure (2) at its lower end, and a column (4) is provided at its lower end. A base plate (5) is provided at the lower end of the column (4). A roof fixing clip (3) is fixedly connected to the lower end of the base plate (5) at the four opposite corners. The monitoring structure (1) includes a snow pressure sensor mounting box (107). A transmitter (108) and a weighing sensor (109) are installed inside the snow pressure sensor mounting box (107). The lower end of the weighing sensor (109) is fixedly connected to the lower inner wall of the snow pressure sensor mounting box (107). One side wall of the transmitter (108) is fixedly connected to one inner side wall of the snow pressure sensor mounting box (107). A snow pressure sensor top plate (106) is provided at the center of the upper surface of the snow pressure sensor mounting box (107). The lower end of the snow pressure sensor top plate (106) penetrates the upper surface of the snow pressure sensor mounting box (107) and extends into the interior, and its end is connected to the weighing sensor (109).

2. The roof snow pressure monitoring device with windproof function according to claim 1, characterized in that: The monitoring structure (1) further includes an inner windproof ring (102) and an outer windproof ring (101). The inner windproof ring (102) is fitted and fixedly connected to the upper part of the center of the side wall of the column (4). The outer windproof ring (101) is fitted and fixedly connected to the center of the side wall of the column (4). The outer windproof ring (101) and the inner windproof ring (102) have the same shape, and the diameter of the outer windproof ring (101) is larger than the diameter of the inner windproof ring (102).

3. A roof snow pressure monitoring device with windproof function according to claim 1, characterized in that: The upper end of the snow pressure sensor top plate (106) is fixedly connected to the snow top sensor top cover (103), and the lower end of the leveling structure (2) is fixedly connected to the anti-fall device (105). The anti-fall device (105) and the snow top sensor top cover (103) have the same diameter. A snow accumulation anti-fall net (104) is fitted together on the outside of the anti-fall device (105) and the snow top sensor top cover (103).

4. A roof snow pressure monitoring device with windproof function according to claim 1, characterized in that: The upper and lower ends of the column (4) are detachably connected to the leveling structure (2) and the base plate (5), respectively.

5. A roof snow pressure monitoring device with windproof function according to claim 1, characterized in that: The leveling structure (2) includes an adjustment platform (203), which is fixedly connected to the lower end face of the monitoring structure (1). The lower end face of the adjustment platform (203) has a plurality of leveling feet (202) arranged in a circular array near the edge. The upper ends of the plurality of leveling feet (202) pass through the lower end face of the adjustment platform (203) and lead to the upper end respectively. A fixing plate (201) is provided at the lower end of the plurality of leveling feet (202).

6. A roof snow pressure monitoring device with windproof function according to claim 5, characterized in that: All of the aforementioned leveling feet (202) and the leveling platform (203) are connected by threads.