Image control point base device integrated with monitoring function
By integrating monitoring functions into the image control point base device, the problems of low efficiency in image control point deployment and insufficient equipment protection in aerial surveying operations are solved, realizing efficient and safe monitoring and measurement, and applicable to a variety of engineering scenarios.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHONGQING INST OF SURVEYING & MAPPING SCI & TECH (CHONGQING MAP COMPILATION CENT)
- Filing Date
- 2025-07-25
- Publication Date
- 2026-05-15
AI Technical Summary
Current aerial survey operations suffer from inefficient deployment of control points, inconvenient periodic inspections and monitoring, and a lack of protection for automated monitoring equipment, making it susceptible to damage or theft, resulting in high costs and low efficiency.
Design a base device for image control points with integrated monitoring functions, including a cubic shell, aerial survey image control point markers, leveling monitoring points, and prism mounting rods. Made of stainless steel, it integrates aerial survey, leveling, and displacement monitoring functions, and features a lockable safety door and a sealing structure, making it suitable for the protection of automated monitoring equipment.
It improves the long-term utilization rate of control points, enhances the protection and security of equipment, reduces operation and maintenance costs, improves measurement accuracy and operation efficiency, and is suitable for a variety of engineering scenarios.
Smart Images

Figure CN224247044U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of aerial survey equipment components, and in particular to a ground control point base device with integrated monitoring function. Background Technology
[0002] In the field of aerial photogrammetry, the following technical challenges exist: Conventional aerial surveying operations typically employ spray-painted crosshairs or temporary stakes, requiring re-establishment after each operation. This results in low efficiency in control point deployment and high labor costs per control point. In large-scale geological disaster surveys and similar projects, the field environment is complex and requires periodic inspections and monitoring. If only simple, one-time control points are established using conventional aerial surveying methods, these points will be repeatedly deployed for each subsequent periodic monitoring and data collection. This approach is time-consuming and labor-intensive, hindering periodic inspections and monitoring. Furthermore, large-scale geological disaster surveys often utilize automated monitoring equipment. While this equipment offers high accuracy, it requires frequent maintenance and inspection. Insufficient equipment protection makes maintenance even more difficult. Automated monitoring equipment and its accessories, when installed outdoors, are susceptible to rain erosion, animal damage, or theft. Utility Model Content
[0003] The present invention aims to provide a control point base device with integrated monitoring functions to solve the problems of inconvenience of periodic inspection and monitoring and lack of protection for automated monitoring equipment.
[0004] Therefore, the technical solution adopted by this utility model is as follows: an image control point base device with integrated monitoring function, including a cubic shell, an aerial survey image control point marker, a leveling monitoring point, and an L-shaped prism mounting rod; the aerial survey image control point marker is fixedly installed on the top surface of the cubic shell, the leveling monitoring point is embedded in the center of the aerial survey image control point marker and is hemispherical, the prism mounting rod is fixedly installed on the right side wall of the cubic shell and has a forced centering threaded interface at its top, the front of the cubic shell is equipped with a lockable safety door and the left side wall has a cable opening, the bottom of the cubic shell has an anchor bolt groove and an equipment support frame for placing automated monitoring equipment is fixedly installed inside.
[0005] As a preferred embodiment of the above scheme, the wall thickness of the cubic shell is ≥5mm and the material is stainless steel. The length, width and height of the cubic shell are all 400mm. The aerial survey image control point marker includes a flat plate with a length and width of 400mm. The top surface of the flat plate is provided with four square units with a length and width of 200mm. Two of the opposite square units are coated with a red coating, and the other two opposite square units are coated with a white coating, thereby forming a red and white grid pattern.
[0006] More preferably, the diameter and radius of curvature of the spherical cap of the leveling monitoring point are 10±0.2mm and 5mm respectively, and a crosshair is etched at the center of its plane, with the plane end of the leveling monitoring point being the top.
[0007] More preferably, the horizontal arm length and vertical arm height of the prism mounting rod are 10mm and 150mm, respectively.
[0008] More preferably, the lockable security door uses an anti-pry blade lock cylinder and has a door thickness of 8mm, and an EPDM rubber sealing ring is fixedly installed on the inner side of the lockable security door.
[0009] More preferably, the cable opening is a 25mm diameter through hole with an embedded replaceable rubber sealing sleeve.
[0010] The beneficial effects of this utility model are:
[0011] 1. The cubic shell and lockable security door provide protection for the automated monitoring equipment, thereby improving its security. Aerial survey control point markers are fixedly installed on the top surface of the cubic shell, ensuring their long-term presence and avoiding the need for repeated deployment of control points, thus improving the convenience of periodic inspections and monitoring.
[0012] 2. Improved operational efficiency and data quality. Integrating multiple functions such as aerial surveying image control, leveling monitoring, and displacement monitoring into one unit avoids the benchmark deviation problems caused by dispersed deployments in traditional surveying, significantly improving the continuity and consistency of measurement data. The innovative design of the aerial surveying image control point markers and leveling monitoring points ensures consistent measurement benchmarks, reduces repeated positioning errors, and improves measurement accuracy and operational efficiency.
[0013] 3. Reduced operation and maintenance costs. The robust and durable structure of the equipment reduces repair and replacement costs due to equipment damage. Efficient use of internal space results in a compact layout, reducing floor space and material consumption, further lowering operation and maintenance costs.
[0014] 4. Enhanced equipment safety and protection. Placing automated monitoring equipment on a support frame ensures waterproofing and moisture protection, effectively extending the equipment's lifespan and reducing equipment failures caused by environmental factors, thereby enhancing the safety and protection of the automated monitoring equipment.
[0015] 5. Flexible adaptation to various engineering scenarios. This utility model is applicable to various engineering scenarios requiring long-term stable monitoring, such as slope monitoring, bridge settlement observation, mining deformation monitoring, and geological disaster early warning, and has broad promotional value and application prospects. The modular integrated design allows the device to be flexibly configured and adjusted according to actual needs, meeting the monitoring requirements of different engineering scenarios. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model.
[0017] Figure 2 This is a structural schematic diagram of the left side of this utility model. Detailed Implementation
[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0019] like Figure 1-2 As shown, an integrated monitoring control point base device includes a cubic shell 1, aerial survey control point markers 2, leveling monitoring points 3, and an L-shaped prism mounting rod 4. The aerial survey control point markers 2 are fixedly installed on the top surface of the cubic shell 1. The leveling monitoring points 3 are embedded in the center of the aerial survey control point markers 2 and are hemispherical. The prism mounting rod 4 is fixedly installed on the right side wall of the cubic shell 1, and has a forced-alignment threaded interface at its top. The horizontal arm length and vertical arm height of the prism mounting rod 4 are 10mm and 150mm respectively, and it is made of 304 stainless steel. It is compatible with prism bases of mainstream total stations such as Leica and Trimble, and can install various types of prisms according to different needs to achieve displacement monitoring. The front of the cubic shell 1 has a lockable safety door 5, and the left side wall has a cable opening 6. The cable opening 6 is a 25mm diameter cable passage hole with an embedded replaceable rubber sealing sleeve or rubber anti-seepage ring, supporting parallel threading of multiple cable bundles, facilitating the installation and maintenance of automated monitoring equipment. The bottom of the cubic shell 1 has a groove for anchor bolts, and an equipment support frame for placing automated monitoring equipment is fixedly installed inside.
[0020] In large-scale geological disaster investigation operations, an integrated monitoring image control point base device is permanently fixed on stable bedrock, road slopes, or buildings. During periodic inspections and monitoring, aerial survey image control point markers can be reused repeatedly, avoiding redundant image control point deployment. Only simple control point data collection is required on the markers. Simultaneously, this base device can also serve as a plane displacement and settlement monitoring point in geological disaster monitoring; a single installation can achieve multiple monitoring functions. The anchor bolt slots feature a bolt pre-tightening structure, allowing for easy and stable installation by concrete pouring or expansion bolt fixation to various foundations. The equipment support frame is a square grid made of rigid, corrosion-resistant materials, with a regularly perforated grid structure to ensure air circulation at the bottom, effectively preventing water and moisture damage and avoiding immersion of internal equipment. When installing the cube shell 1, it may be necessary to set up an on-site device installation work surface. When setting up the on-site device installation work surface, a concrete pad layer can be poured on the ground to make the installation surface as level as possible. Then, it can be fixed by anchor bolt grooves or by pouring concrete around the cube shell. The automated monitoring equipment is placed on the equipment support frame, and its cable is led out through the cable opening 6. The lockable safety door 5 is closed and locked.
[0021] The cube shell 1 has a wall thickness of ≥5mm and is made of stainless steel. The cube shell 1 has a length, width and height of 400mm. The aerial survey control point mark 2 includes a flat plate with a length and width of 400mm. The top surface of the flat plate is provided with four square units with a length and width of 200mm. Two opposite square units are coated with a red coating and the other two opposite square units are coated with a white coating, thus forming a red and white grid pattern.
[0022] The outer shell 1 is a stainless steel cube structure with a hollow interior, ensuring its robustness and corrosion resistance. The aerial survey control point marker 2 uses a red and white grid pattern for easy identification and positioning during aerial surveys. The flat plate is made of 304 stainless steel with a sandblasted surface, and a 15mm diameter circular area is reserved in the center of the grid pattern for the installation of the leveling monitoring point 3.
[0023] The diameter and radius of curvature of the spherical cap of leveling monitoring point 3 are 10±0.2mm and 5mm, respectively, and crosshairs are etched at the center of its plane. The plane end of leveling monitoring point 3 is the top.
[0024] The leveling monitoring point 3 is made of stainless steel. After extending vertically upwards from the apex of the spherical cap for a height of 5±0.1mm, the center of the plane of the leveling monitoring point 3 can be reached.
[0025] The lockable security door 5 uses an anti-pry blade lock cylinder and has a door thickness of 8mm. The inside of the lockable security door 5 is fixedly equipped with an EPDM rubber sealing ring or a waterproof sealing strip.
[0026] EPDM rubber sealing rings can achieve an IP67 waterproof rating inside the cube's outer shell, effectively ensuring the safe operation of equipment such as automated monitoring devices, data acquisition and 4G transmission modules, power supply systems, and cables when placed inside. The technology of fixing EPDM rubber sealing rings or waterproof sealing strips to the inside of the lockable safety door 5 to achieve waterproof sealing is existing technology and will not be elaborated upon here.
[0027] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.
Claims
1. A control point base device with integrated monitoring function, characterized in that: It includes a cubic shell (1), aerial survey image control point markers (2), leveling monitoring points (3), and an L-shaped prism mounting rod (4); The aerial survey control point marker (2) is fixedly installed on the top surface of the cubic shell (1). The leveling monitoring point (3) is embedded in the center of the aerial survey control point marker (2) and is hemispherical. The prism mounting rod (4) is fixedly installed on the right side wall of the cubic shell (1) and has a forced centering threaded interface at the top. The front of the cubic shell (1) is equipped with a lockable safety door (5) and a cable opening (6) is opened on the left side wall. The bottom of the cubic shell (1) has an anchor bolt groove and an equipment support frame for placing automated monitoring equipment is fixedly installed inside.
2. The image control point base device with integrated monitoring function according to claim 1, characterized in that: The wall thickness of the cubic shell (1) is ≥5mm and the material is stainless steel. The length, width and height of the cubic shell (1) are all 400mm. The aerial survey image control point mark (2) includes a flat plate with a length and width of 400mm. The top surface of the flat plate is provided with four square units with a length and width of 200mm. Two of the opposite square units are coated with a red coating and the other two opposite square units are coated with a white coating, thereby forming a red and white grid pattern.
3. The image control point base device with integrated monitoring function according to claim 1, characterized in that: The spherical cap diameter and radius of curvature of the leveling monitoring point (3) are 10±0.2mm and 5mm respectively, and a cross wire is etched at the center of its plane. The plane end of the leveling monitoring point (3) is the top.
4. The image control point base device with integrated monitoring function according to claim 1, characterized in that: The horizontal arm length and vertical arm height of the prism mounting rod (4) are 10mm and 150mm, respectively.
5. The image control point base device with integrated monitoring function according to claim 1, characterized in that: The lockable security door (5) uses an anti-pry blade lock core and has a door thickness of 8mm. An EPDM rubber sealing ring is fixedly installed on the inner side of the lockable security door (5).
6. The image control point base device with integrated monitoring function according to claim 1, characterized in that: The cable opening (6) is a 25mm diameter cable pass-through hole with an embedded replaceable rubber sealing sleeve.